CN106828138A - A kind of electric vehicle battery system drawing recombinates control method - Google Patents

A kind of electric vehicle battery system drawing recombinates control method Download PDF

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Publication number
CN106828138A
CN106828138A CN201611067607.7A CN201611067607A CN106828138A CN 106828138 A CN106828138 A CN 106828138A CN 201611067607 A CN201611067607 A CN 201611067607A CN 106828138 A CN106828138 A CN 106828138A
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CN
China
Prior art keywords
battery
battery bag
high voltage
main contact
voltage connector
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Granted
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CN201611067607.7A
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Chinese (zh)
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CN106828138B (en
Inventor
陆群
薛志强
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CH Auto Technology Co Ltd
Beijing Changcheng Huaguan Automobile Technology Development Co Ltd
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Beijing Changcheng Huaguan Automobile Technology Development Co Ltd
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Priority to CN201611067607.7A priority Critical patent/CN106828138B/en
Publication of CN106828138A publication Critical patent/CN106828138A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/66—Arrangements of batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses a kind of batteries of electric automobile drawing control method, including：Drawing starts and fault handling steps；State anticipation step after drawing；Safe drawing step；State detecting step after drawing restructuring；And, process record feedback step.Started and state detecting step and process record feedback step after state anticipation step, safe drawing step, drawing restructuring after fault handling steps, drawing using drawing in batteries of electric automobile drawing control method of the invention, optimize battery bag failure handling mechanisms, battery case is increased to depart from and reprocessing rate, so as to improve the monitoring management performance to electric automobile power battery, extend the service life of electrokinetic cell, the convenience of electric automobile vehicle driving ability and maintenance is improve, so as to increase the satisfaction that user uses.

Description

A kind of electric vehicle battery system drawing recombinates control method
Technical field
The present invention relates to Control of Electric Vehicles field, more particularly to a kind of electric vehicle battery system drawing restructuring controlling party Method.
Background technology
The chargeable energy-storage system of electric automobile, is also named RESS (Rechargeable Energy Storage System) system System, the dynamical system lithium battery pack for being used at present is substantially by different series and parallel into prescription by lithium ion single battery Formula (cell series connection reach required voltage, parallel connection reaches required capacity) realizes, battery bag is provided electronic vapour Energy and power output needed for car, so as to drive the motor of electric automobile to work so that vehicle is travelled.
At present, in electric automobile, battery bag first constitutes a battery using many bag cascades, i.e. cell mostly Wrap, then multiple battery bag recomposition power battery packs.
As shown in figure 1, mainly including power battery pack 9, high voltage power distribution and motor control in electric automobile automobile power assembly System processed 8 and motor 7.Wherein, power battery pack 9 provides electric power, and high voltage power distribution and electric machine control system 8 are to electric energy It is allocated and controls, while controls motor 7 to work.
Fig. 2 shows a simplified structure for battery bag, it include casing 901, battery modules 902, first electrode 903, Second electrode 904, low-voltage interface 905 and BMS from control unit 906.Wherein, battery modules 902 are located in casing 901, battery The first pole that first pole of module 902 is connected to first electrode 903, i.e. battery modules 902 picks out from first electrode 903, electricity The second pole that second pole of pond module 902 is connected to second electrode 904, i.e. battery modules 902 picks out from second electrode 904. Wherein, the first pole such as negative pole of first electrode 903 and battery modules 902, second electrode 904 and battery modules 902 Second pole such as positive pole, certainly, the first pole of first electrode 903 and battery modules 902 can also be positive pole, second electrode 904 and the second pole of battery modules 902 can also be negative pole.
As shown in figure 3, power battery pack 9 is typically formed by connecting by multiple battery bags, then by high voltage power distribution and motor Control system 8, finally drives the motor 7 to work.The connected mode that multiple battery bags are serially connected is shown in Fig. 3, In some cases, multiple battery bags also can be parallel with one another and constitute power battery pack 9.
Battery bag has following typical fault or safety issue appearance due to the reason such as internal or external：Electricity in battery bag The voltage and temperature of pond monomer are too high, too low and unbalanced etc., battery management system (BMS) operation irregularity, system short-circuit, insulation Or thermal runaway etc..
Therefore, in power battery pack, it is necessary to the battery bag that will appear from problem departs from from whole power battery pack, just not The normal work of other battery bags in power battery pack can be influenceed.But, the electrokinetic cell that multiple battery bag is composed in series at present The disengaging of system single battery bag difficult to realize is used without influenceing the normal of other battery bags.Therefore, currently existing scheme is often Processed by the way of a kind of compromise, i.e., when certain battery bag in electric automobile power battery group occur minor failure or Alarmed to be warned after problem, but until problem constantly deteriorates there is pole catastrophe failure to a certain extent or suddenly When, entire car controller (VCU) or battery management system (BMS) also can only directly disconnect electrokinetic cell system it is total just/total negative connect Connect, disconnect the connection of battery bag high pressure so that vehicle losing power, therefore vehicle can only original place wait or repair, can not be right Battery system is effectively managed, and can not effectively avoid problem from magnifying, so that shorten battery bag service life, also to car Use and maintenance brings great unsafe factor and inconvenience.
Have at present a kind of quick change battery system can by the modes such as machinery, hydraulic pressure fail battery bag is carried out promptly, force Excision.Although the disengaging of fail battery bag can be realized, dangerous property is high, and reliability is low, the treatment drawback such as not in time.
The content of the invention
It is an object of the invention to provide a kind of electric vehicle battery system drawing restructuring control method, to optimize battery bag event Barrier treatment mechanism, increases battery case and departs from and reprocessing rate.
The invention provides a kind of electric vehicle battery system drawing restructuring control method, including：
Whether step a, the battery bag judged in electric vehicle battery system meet drawing condition, and step is performed if meeting Rapid b, otherwise performs step l；
Step b, calculate battery bag drawing and electric vehicle battery system restructuring after, new electric vehicle battery system Whether state meets normal vehicle operation demand, if it is satisfied, then performing step c, otherwise performs step l；
Step c, by executive component perform battery bag drawing and electric vehicle battery system reorganization operation, it is laggard Enter step d；
Step d, judge that whether executive component performs the drawing operation of battery bag and succeeds, if it succeeds, into step e, Otherwise enter step k；
Step e, judge executive component perform electric vehicle battery system reorganization operation whether succeed, if it succeeds, Into step f, otherwise into step k；
Step f, the electric vehicle battery system after restructuring is tested, judge the electric vehicle battery system after restructuring Whether meet vehicle and increase journey driving requirements, if it is satisfied, then performing step h, otherwise perform step k；
Step g, vehicle enter increasing journey driving mode；
Step k, electric vehicle battery system recover the state to drawing, afterwards into step l；
Step l, electric automobile whole-control system are processed.
Further, also include, after step g, the following steps in increasing journey driving mode are in vehicle：
Step h, judge electric vehicle battery system whether meet increasing journey pattern jump out condition, if meet if perform step I, otherwise performs step a；
Step i, electric vehicle battery system recover the state to drawing, afterwards into step j；
Step j, electric automobile enter normal operating condition, and perform step a.
Further, there is the electric vehicle battery system management program in the electric automobile whole-control system.
Further, the drawing condition includes：
The output voltage of battery bag is more than or less than safe voltage scope, and the output current of battery bag is more than or less than Safe current scope, the capacity of battery bag is more than or less than safe capacity scope, and battery bag is small to the insulaion resistance on vehicle body ground In safe Resistance value, the temperature of battery bag is more than or less than safe temperature range.
Further, the increasing journey pattern jumps out condition, including：
Electric vehicle battery system recovers to drawing the state before recombinating.
From such scheme as can be seen that electric vehicle battery system drawing of the invention recombinates control method, in original electricity Before electrical automobile whole-control system is processed, additionally drawing entry condition is judged, and then the drawing of electric automobile can be realized Increase journey traveling, when the battery bag in electric vehicle battery system goes wrong, it is not necessary to processed immediately, and can be by increasing Journey driving mode travels to overhauling place the maintenance for carrying out electric vehicle battery system, after fixing, batteries of electric automobile system System just recover to drawing recombinate before state, and then can by the judgement step in the inventive method cause electric automobile recover to Normal operating condition.Electric vehicle battery system drawing of the invention recombinates control method, optimizes battery bag troubleshooting machine System, increased battery case and departs from and reprocessing rate, so as to improve the monitoring management performance to electric automobile power battery, prolong The service life of electrokinetic cell long, improves the convenience of electric automobile vehicle driving ability and maintenance, so as to increase user make Satisfaction.
Brief description of the drawings
The following drawings only does schematic illustration and explanation to the present invention, not delimit the scope of the invention.
Fig. 1 is electric automobile automobile power assembly simplified block diagram；
Fig. 2 is the simplified structural representation of battery bag；
Fig. 3 is the attachment structure schematic diagram of power battery pack；
Fig. 4 is the structure diagram of batteries of electric automobile drawing driving system of the invention；
Fig. 5 is the battery drawing subsystem circuit organization schematic diagram in the embodiment of the present invention one；
Fig. 6 is the electrical block diagram of the embodiment one of batteries of electric automobile drawing driving system of the invention；
Fig. 7 be the embodiment of the present invention one in by high voltage connector be integrated in together constitute drawing control unit circuit structure Schematic diagram；
Battery drawing subsystem circuit organization schematic diagram in Fig. 8 embodiment of the present invention two；
Fig. 9 is the electrical block diagram of the embodiment two of batteries of electric automobile drawing driving system of the invention；
Figure 10 be the embodiment of the present invention two in by high voltage connector be integrated in together constitute drawing control unit circuit knot Structure schematic diagram；
Figure 11 is the plan structure of the 3rd high voltage connector in the embodiment of the present invention two；
Figure 12 is the internal structure of the 3rd high voltage connector in the embodiment of the present invention two；
Figure 13 is the structure diagram of the batteries of electric automobile drawing driving system of the embodiment of the present invention three；
Figure 14 is the structure diagram of the battery drawing subsystem in the embodiment of the present invention three；
Figure 15 is the electrical block diagram of the embodiment three of batteries of electric automobile drawing driving system of the invention；
Figure 16 be the embodiment of the present invention three in by high voltage connector be integrated in together constitute drawing control unit circuit knot Structure schematic diagram；
Figure 17 is the RESS system structure diagrams in the embodiment of the present invention three；
Figure 18 is the batteries of electric automobile drawing control method schematic diagram of the embodiment of the present invention four；
Figure 19 is the battery drawing subsystem circuit organization schematic diagram in the embodiment of the present invention five；
Figure 20 is the surface structure front view of the high pressure manual emergency stop switch employed in the embodiment of the present invention five；
Figure 21 is the surface structure three-dimensional view of the high pressure manual emergency stop switch employed in the embodiment of the present invention five；
Figure 22 is the batteries of electric automobile drawing driving circuit system structure of the embodiment of the present invention five；
Figure 23 is the drawing control panel schematic diagram in the embodiment of the present invention five；
Figure 24 is the battery drawing subsystem circuit organization schematic diagram in the embodiment of the present invention six；
Figure 25 is the surface structure front view of the plug switch employed in the embodiment of the present invention six；
Figure 26 is the surface structure three-dimensional view of the plug switch employed in the embodiment of the present invention six；
Figure 27 is the batteries of electric automobile drawing driving circuit system structure of the embodiment of the present invention six；
Figure 28 is the drawing control panel schematic diagram in the embodiment of the present invention six；
Figure 29 is the battery pack structure schematic diagram of the embodiment of the present invention seven；
Figure 30 is the batteries of electric automobile drawing driving circuit system structural representation of the embodiment of the present invention seven.
Specific embodiment
In order to be more clearly understood to the technical characteristic invented, purpose and effect, now control brief description of the drawings is of the invention Specific embodiment, in the various figures identical label represent identical part.
Herein, " schematic " expression " serving as example, example or explanation ", will should not be described herein as " showing Any diagram of meaning property ", implementation method are construed to a kind of preferred or more advantageous technical scheme.
To make simplified form, part related to the present invention is only schematically show in each figure, and do not represent it As the practical structures of product.In addition, so that simplified form is readily appreciated, the portion with identical structure or function in some figures Part, only symbolically depicts one of those, or has only marked one of those.
Herein, " one " is not offered as being limited to the quantity of relevant portion of the present invention " only this ", and " one It is individual " do not indicate that the situation of the quantity " more than one " for excluding relevant portion of the present invention.
Herein, " first ", " second " etc. are only used for mutual differentiation, rather than represent significance level and order and Premise for existing each other etc..
Herein, the limitation on the mathematics and/or geometry meaning of " equal ", " identical " etc. and non-critical, also includes It will be appreciated by those skilled in the art that and manufacture or the error of permission such as use.Unless otherwise indicated, numerical value model herein The gamut not only included in two end points is enclosed, also including being contained in some subranges therein.
As shown in figure 4, the batteries of electric automobile drawing driving system of the embodiment of the present invention includes multiple (at least two) Battery drawing subsystem 10, each battery drawing subsystem 10 is serially connected.Specifically as shown in figure 4, the battery drags chest System 10 has the first connection end S1 and the second connection end S2, and it is described electronic that multiple batteries drag chest system 10 to be composed in series Automobile batteries drawing driving system, wherein, each battery drags chest system 10 to be connected to upper one by its first connection end S1 Second connection end S2 of adjacent cell drawing subsystem 10, and each battery drags chest system 10 to pass through its second connection end S2 It is connected to the first connection end S1 of next adjacent cell drawing subsystem 10.
Wherein, the battery drawing subsystem 10 includes battery bag 101 and drawing control unit 102.Wherein, the battery Bag 101 has first electrode E1 and second electrode E2, and the drawing control unit 102 has the 4th connection end S4, the 5th connection End S5 and the 6th connection end S6.4th connection end S4 of the drawing control unit 102 is connected to the battery and drags chest system 10 the first connection end S1, the 5th connection end S5 of the drawing control unit 102 is connected to the first electricity of the battery bag 101 Pole E1, the 6th connection end S6 of the drawing control unit 102 is connected to the second connection end that the battery drags chest system 10 S2, the second electrode E2 of the battery bag 101 are connected to the second connection end S2 of the battery drawing subsystem 10.
When the battery bag 101 is in normal condition, the 4th connection end S4 and the 5th of the drawing control unit 102 Path between the S5 of connection end, open circuit between the 4th connection end S4 and the 6th connection end S6 of the drawing control unit 102.Work as institute When stating battery bag 101 and being in abnormal condition, the 4th connection end S4 and the 6th connection end S6 of the drawing control unit 102 it Between path, between the 4th connection end S4 and the 5th connection end S5 of the drawing control unit 102 open circuit.
Embodiment one
Fig. 5 shows the circuit structure of battery drawing subsystem 10 in the embodiment of the present invention one.In the embodiment of the present invention one, Each described drawing control unit 102 includes a first high voltage connector KM1.Wherein, the first high voltage connector KM1 With the first main contact and the second main contact.
Wherein, first main contact of the first high voltage connector KM1 is connected to the 4th of the drawing control unit 102 First main contact of connection end S4, i.e., described first high voltage connector KM1 is connected to the first connection of battery drawing subsystem 10 End S1, that is, first main contact of the first high voltage connector KM1 is connected to adjacent cell drawing subsystem 10 Second connection end S2, that is, first main contact of the first high voltage connector KM1 is connected to adjacent cell drawing The second electrode E2 of the battery bag 101 in system 10.Second main contact of the first high voltage connector KM1 is connected to described de- Second main contact of the 5th connection end S5 of case control unit 102, i.e., described first high voltage connector KM1 is connected to this battery and takes off The first electrode E1 of the battery bag 101 in chest system 10.When the battery bag 101 is in normal condition, described first is high Closed between first main contact and the second main contact of crimping tentaculum KM1；When the battery bag 101 is in abnormal condition, First main contact of the first high voltage connector KM1 and the second main contact it is separated.
In the embodiment of the present invention one, each described drawing control unit 102 also includes second high voltage connector KM2.Wherein, the second high voltage connector KM2 has the 3rd main contact and the 4th main contact.
Wherein, the 3rd main contact of the second high voltage connector KM2 is connected to the 4th of the drawing control unit 102 3rd main contact of connection end S4, i.e., described second high voltage connector KM2 is connected to the first connection of battery drawing subsystem 10 End S1, that is, the 3rd main contact of the second high voltage connector KM2 is connected to adjacent cell drawing subsystem 10 Second connection end S2, that is, the 3rd main contact of the second high voltage connector KM2 is connected to adjacent cell drawing The second electrode E2 of the battery bag 101 in system 10, that is, the 3rd main contact of the second high voltage connector KM2 is connected to this First main contact of the first high voltage connector KM1 of drawing control unit 102.The of the second high voltage connector KM2 Four main contacts are connected to the 6th connection end S6 of the drawing control unit 102, i.e., the 4th of described second high voltage connector KM2 the Main contact is connected to the second electrode E2 that this battery drags the battery bag 101 in case system 10.When the battery bag 101 is in normally During state, the 3rd main contact of the second high voltage connector KM2 and the 4th main contact it is separated；When the battery bag 101 During in abnormal condition, closed between the 3rd main contact and the 4th main contact of the second high voltage connector KM2.
In addition, in the embodiment of the present invention one, the batteries of electric automobile drawing driving system also includes command unit (in figure It is not shown), the command unit is connected to the control end and the second high voltage connector KM2 of the first high voltage connector KM1 Control end.When the battery bag 101 is in normal condition, the command unit controls the first high voltage connector KM1's First main contact and the second main contact are closed, and the command unit controls the 3rd main contact of the second high voltage connector KM2 Disconnected with the 4th main contact；When the battery bag 101 is in abnormal condition, the command unit controls first high pressure First main contact of contactor KM1 and the second main contact disconnect, and the command unit controls the second high voltage connector KM2's 3rd main contact and the 4th main contact are closed.
In the embodiment of the present invention one, first main contact of the first high voltage connector KM1 is quiet main contact, described first Second main contact of high voltage connector KM1 is normally closed main contact；Or, first main contact of the first high voltage connector KM1 For second main contact of normally closed main contact, the first high voltage connector KM1 is quiet main contact.Second high voltage connector 3rd main contact of KM2 is quiet main contact, the 4th main contact of the second high voltage connector KM2 is normally opened main contact；Or, 3rd main contact of the second high voltage connector KM2 is normally open contact, the 4th main contact of the second high voltage connector KM2 It is quiet main contact.
In the embodiment of the present invention one, the battery drawing at the two ends in chest system 10 is dragged positioned at the multiple described battery of series connection In subsystem 10, the first connection end S1 that chest system 10 is connected and the second connection end S2 is not dragged to be respectively connected to electricity with adjacent cell The high voltage power distribution of electrical automobile and the first electrode incoming end of electric machine control system and second electrode incoming end.
Fig. 6 shows this circuit structure of batteries of electric automobile drawing driving system embodiment one of the invention.Specifically, tie Close shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, in the present embodiment, quantity such as n of battery bag 101, respectively the first battery bag 1011 ... i-th battery bag 101i ... the n-th battery bag 101n, accordingly, the quantity of drawing control unit 102 and battery bag 10 Quantity is equal, is also n, and the control of respectively first the n-th drawing of drawing control unit ... the i-th drawing control unit ... is single Unit.Wherein, the first drawing control unit includes that high voltage connector KM11 and the control of the drawings of high voltage connector KM21 ... i-th are single Unit includes that high voltage connector KM1i and high voltage connector KM2i ... the n-th drawing control units include high voltage connector KM1n With high voltage connector KM2n.In first drawing control unit, high voltage connector KM11 and high voltage connector KM21 are corresponded respectively to Above-mentioned the first high voltage connector KM1 and the second high voltage connector KM2；In i-th drawing control unit, high voltage connector KM1i and High voltage connector KM2i corresponds respectively to above-mentioned the first high voltage connector KM1 and the second high voltage connector KM2；N-th drawing control In unit processed, high voltage connector KM1n and high voltage connector KM2n corresponds respectively to above-mentioned the first high voltage connector KM1 and Two high voltage connector KM2.Wherein, n is the integer more than or equal to 2, and i is from 1 to any one integer in n.I-th battery bag 101i represents any one battery bag in all n battery bags, and the i-th drawing control unit represents all n drawing controls Any one drawing control unit in unit, high voltage connector KM1i represents any one in all n drawing control units First high voltage connector of individual drawing control unit, high voltage connector KM2i represents any in all n drawing control units One the second high voltage connector of drawing control unit.
Above-mentioned i-th battery bag 101i, the i-th drawing control unit, high voltage connector KM1i and high voltage connector KM2i are at this There is pervasive meaning in embodiment one, represent and contacted from 1 to any one battery bag in n, drawing control unit, the first high pressure Device and the second high voltage connector.
For the i-th battery bag 101i and the i-th drawing control unit：
I-th drawing control unit includes high voltage connector KM1i and high voltage connector KM2i.Wherein, high voltage connector KM1i With the first main contact and the second main contact, wherein, first main contact of high voltage connector KM1i is connected to adjacent cell bag (i.e. I-th -1 battery bag) second electrode, second main contact of high voltage connector KM1i is connected to first electricity of the i-th battery bag 101i Pole；High voltage connector KM2i has the 3rd main contact and the 4th main contact, wherein, the 3rd main contact of high voltage connector KM2i connects The second electrode of the adjacent cell bag (i.e. the i-th -1 battery bag) is connected to, the 4th main contact of high voltage connector KM2i is connected to i-th The second electrode of battery bag 1i.
Command unit (not shown) is connected to the control of the control end and high voltage connector KM2i of high voltage connector KM1i End processed.
When the i-th battery bag 101i is in normal condition, first master of the command unit control high voltage connector KM1i Contact and the second main contact are closed, and the 3rd main contact and the 4th main contact of the command unit control high voltage connector KM2i are disconnected Open, so just the i-th battery bag 101i is connected together with adjacent cell bag (the i-th -1 battery bag).If all of battery bag is equal During in normal condition, then (i.e. high voltage connector KM11 ... high voltage connectors KM1i ... is high for all first high voltage connectors Crimping tentaculum KM1n) the first main contact and the second main contact close, all second high voltage connectors (i.e. high voltage connector KM21 ... high voltage connectors KM2i ... high voltage connector KM2n) the 3rd main contact and the 4th main contact disconnect, and then Form the cascaded structure of all battery bags.
When the i-th battery bag 101i is in abnormal condition, the first of the command unit control high voltage connector KM1i Main contact and the second main contact disconnect, the 3rd main contact and the 4th main contact of the command unit control high voltage connector KM2i Closure.So just the i-th battery bag 101i is departed from from all of battery bag, wherein, first master of high voltage connector KM1i touches Head and the second main contact disconnect and realize the open circuit of the i-th battery bag 101i and the i-th -1 battery bag, and the of high voltage connector KM2i The closure of three main contacts and the 4th main contact, then realize the connection of the i-th -1 battery bag and i+1 battery bag, so in all n In the series circuit of individual battery bag, the i-th battery bag 101i of abnormal condition is just bypassed, that is, realized abnormal condition The purpose of the i-th battery bag 101i drawings from the series circuit of all n battery bags, while also ensureing remaining n-1 battery The normal series connection of bag, if multiple battery bags go wrong, only need to carry out same drawing behaviour by corresponding drawing control unit Make, do not interfere with the series connection of its normal battery bag.
In the battery bag at two ends：
In the corresponding first drawing control unit of first battery bag 1011, first main contact of high voltage connector KM11 is direct The first electrode incoming end of high voltage power distribution and electric machine control system is connected to, second main contact of high voltage connector KM11 is connected to The first electrode of the first battery bag 1011；3rd main contact of high voltage connector KM21 is directly connected in high voltage power distribution and motor control The first electrode incoming end of system processed, the 4th main contact of high voltage connector KM21 is connected to the second electricity of the first battery bag 1011 Pole；
In the corresponding n-th drawing control units of n-th battery bag 101n, first main contact of high voltage connector KM1n is connected to The second electrode of the (n-1)th battery bag, second main contact of high voltage connector KM1n is connected to first electricity of the n-th battery bag 101n Pole；3rd main contact of high voltage connector KM2n is connected to the second electrode of the (n-1)th battery bag, the 4th of high voltage connector KM2n the Main contact is connected to the second electrode of the n-th battery bag 101n；Meanwhile, the second electrode of the n-th battery bag 1n is connected to high voltage power distribution And the second electrode incoming end of electric machine control system.
In the present embodiment one, first electrode is negative pole, second electrode is positive pole, or first electrode is positive pole, the second electricity Extremely negative pole.
In the present embodiment one, the first main contact such as quiet main contact, high voltage connector KM1i of high voltage connector KM1i For example normally closed main contact of second main contact, or high voltage connector KM1i for example normally closed main contact of the first main contact, high-voltage connecting The second main contact such as quiet main contact of tentaculum KM1i, certainly, the design of the control signal (control voltage) according to command unit, High voltage connector KM1i can also use normally opened design；In the present embodiment, for example quiet master of the 3rd main contact of high voltage connector KM2i For example normally opened main contact of 4th main contact of contact, high voltage connector KM2i, or high voltage connector KM2i the 3rd main contact 4th main contact such as quiet main contact of such as normally opened main contact, high voltage connector KM2i, certainly, according to the control of command unit The design of signal (control voltage), high voltage connector KM2i can also use normally closed design.
In the present embodiment one, can by high voltage connector KM11 ... high voltage connector KM1i ... high voltage connectors KM1n, And high voltage connector KM21 ... high voltage connector KM2i ... high voltage connector KM2n co-integrations in constituting drawing together Control unit circuit, and then it is easy to the modularization between battery bag and each high voltage connector to connect and manage, as shown in Figure 7.
The embodiment of the present invention also provides a kind of electric automobile simultaneously, and the electric automobile use is performed as described above example one and is introduced Batteries of electric automobile drawing driving system.
Using the BMS systems of the batteries of electric automobile drawing driving system combination electric automobile of the present embodiment one, work as appearance During low level failure, the treatment such as alarm and downrating can be carried out first, then according to travel condition of vehicle and failure situation, As vehicle is under standby or low frequency use state for a long time, it is possible to use batteries of electric automobile drawing driving system of the invention Drawing control function is enabled, in the case of normal vehicle operation is not influenceed, failure can be repaired, battery is safeguarded, it Recover the normal of battery bag afterwards to use, so both ensure that failure was processed in time, it is to avoid problem constantly expands or irreversible situation Occur, and do not influence vehicle normally to run, so as to extend battery, improve vehicle reliability of operation and security. When there is high-level failure, drawing driving function can be directly opened, it is ensured that security of system, meet and also may be used under condition Vehicle is set to continue to travel certain distance.When there is extreme failure, in addition to disconnecting always just/total negative high voltage contactor, using this The batteries of electric automobile drawing driving system of invention can directly perform the drawing function of all battery bags, so that each battery Bag can be disengaged independently, so as to be effectively improved troubleshooting reliability, security, it is to avoid failure propagation.The present invention Simple structure is easy to implement.
Embodiment two
Fig. 8 shows the circuit structure of battery drawing subsystem 10 in the embodiment of the present invention two.In the present embodiment two, each The drawing control unit 102 includes a 3rd high voltage connector KM3.Wherein, the 3rd high voltage connector KM3 has 5th main contact, the 6th main contact and the 7th main contact.
Wherein, the 5th main contact is connected to the 4th connection end S4 of the drawing control unit 102, i.e., the described 5th Main contact is connected to the first connection end S1 of battery drawing subsystem 10, that is, the 5th main contact be connected to one it is adjacent Second connection end S2 of battery drawing subsystem 10, that is, the 5th main contact is connected to an adjacent cell drawing subsystem The second electrode E2 of the battery bag 101 in system 10.6th main contact is connected to the 5th company of the drawing control unit 102 End S5 is met, i.e., described 6th main contact is connected to the first electrode E1 of the battery bag 101 in this battery drawing subsystem 10.It is described 7th main contact is connected to the 6th connection end S6 of the drawing control unit 102, i.e., described 7th main contact is connected to this electricity Drag the second electrode E2 of the battery bag 101 in case system 10 in pond.When the battery bag 101 is in normal condition, the described 5th Closed between main contact and the 6th main contact, the 5th main contact and the 7th main contact it is separated；When the battery bag 101 During in abnormal condition, the 5th main contact and the 6th main contact it is separated, the 5th main contact and the 7th master touch Closed between head.
In addition, in the embodiment of the present invention two, the batteries of electric automobile drawing driving system also includes command unit, described Command unit is connected to the control end of the 3rd high voltage connector KM3.When battery bag 101 is in normal condition, the finger Make unit control the 5th main contact and the 6th main contact of the 3rd high voltage connector KM3 to close, and control the described 3rd high 5th main contact and the 7th main contact of crimping tentaculum KM3 disconnect；When battery bag is in abnormal condition, the command unit Control the 5th main contact and the 6th main contact of the 3rd high voltage connector KM3 to disconnect, and control the 3rd high pressure to contact 5th main contact of device KM3 and the 7th main contact are closed.
In the embodiment of the present invention two, the 5th main contact of the 3rd high voltage connector KM3 is quiet main contact, the 6th master touches Head is normally closed main contact, the 7th main contact is normally opened main contact；Or, or, the of the 3rd high voltage connector KM3 Five main contacts are quiet main contact, the 6th main contact is normally opened main contact, the 7th main contact is normally closed main contact.
In the embodiment of the present invention two, the battery at the two ends in chest system (10) is dragged to take off positioned at the multiple described battery of series connection In chest system (10), the first connection end S1 that chest system 10 is connected and the second connection end S2 is not dragged to connect respectively with adjacent cell Enter the high voltage power distribution of electric automobile and the first electrode incoming end of electric machine control system and second electrode incoming end.
Fig. 9 shows the batteries of electric automobile drawing driving system architecture of the present embodiment two.Specifically, the present embodiment two In, quantity such as n of battery bag 101, respectively first battery bag 1011 ... the i-th battery bag the n-th battery bags of 101i ... 101n, accordingly, the quantity of drawing control unit 102 is equal with the quantity of battery bag 101, is also n, respectively the first drawing control Unit ... processed i-th drawing control unit ... the n-th drawing control unit.Wherein, the first drawing control unit includes high pressure Contactor KM31 ... the i-th drawing control units include that high voltage connector KM3i ... the n-th drawing control units include height Crimping tentaculum KM3n.In first drawing control unit, high voltage connector KM31 corresponds to above-mentioned 3rd high voltage connector KM3；I-th In drawing control unit, high voltage connector KM3i corresponds to above-mentioned 3rd high voltage connector KM3；It is high in n-th drawing control unit Crimping tentaculum KM3n corresponds to above-mentioned 3rd high voltage connector KM3.Wherein, n is the integer more than or equal to 2, i be from 1 to n in Any one integer.I-th battery bag 101i represents any one battery bag in all n battery bags, and the control of the i-th drawing is single Unit represents any one the drawing control unit in all n drawing control units, and high voltage connector KM3i represents that all n take off 3rd high voltage connector of any one the drawing control unit in case control unit.
Above-mentioned i-th battery bag 101i, the i-th drawing control unit and high voltage connector KM3i have in the present embodiment two Pervasive meaning, represents from 1 to any one battery bag in n, drawing control unit and the 3rd high voltage connector.
For the i-th battery bag 101i and the i-th drawing control unit：
I-th drawing control unit includes high voltage connector KM3i.Wherein, high voltage connector KM3i have the 5th main contact, 6th main contact and the 7th main contact, wherein, the 5th main contact of high voltage connector KM3i be connected to adjacent cell bag (i.e. i-th- 1 battery bag) second electrode, the 6th main contact of high voltage connector KM3i is connected to the first electrode of the i-th battery bag 101i, high 7th main contact of crimping tentaculum KM3i is connected to the second electrode of the i-th battery bag 101i.
Command unit (not shown) is connected to the control end of high voltage connector KM3i.
When the i-th battery bag 1i is in normal condition, the 5th master of the command unit control high voltage connector KM3i touches Head and the 6th main contact closure, and control the 5th main contact and the 7th main contact of high voltage connector KM3i to disconnect, so just will I-th battery bag 101i is connected together with adjacent cell bag (the i-th -1 battery bag).If all of battery bag is in normal condition When, then all 3rd high voltage connectors (i.e. high voltage connector KM31 ... high voltage connectors KM3i ... high voltage connector KM3n) The 5th main contact and the 6th main contact close, the 5th main contact and the 7th main contact disconnect, and then form all batteries The cascaded structure of bag.
When the i-th battery bag 101i is in abnormal condition, the 5th of the command unit control high voltage connector KM3i the Main contact and the 6th main contact disconnect, and control the 5th main contact and the 7th main contact of high voltage connector KM3i to close.So Just the i-th battery bag 101i is departed from from all of battery bag, wherein, the 5th main contact of high voltage connector KM3i and the 6th is led Contact disconnects and realizes the open circuit of the i-th battery bag 1i and the i-th -1 battery bag, and the 5th main contact of high voltage connector KM3i and the The closure of seven main contacts, then realize the connection of the i-th -1 battery bag and i+1 battery bag, so in the string of all n battery bags In connection circuit, the i-th battery bag 101i of abnormal condition is just bypassed, that is, realized the i-th battery bag of abnormal condition The purpose of 101i drawings from the series circuit of all n battery bags, while also ensureing the normal string of remaining n-1 battery bag Connection, if multiple battery bags go wrong, only need to carry out same drawing operation by corresponding drawing control unit, will not Influence the series connection of its normal battery bag.
In the battery bag at two ends：
In the corresponding first drawing control unit of first battery bag, the 5th main contact of high voltage connector KM31 is directly connected to In high voltage power distribution and the first electrode incoming end of electric machine control system, the 6th main contact of high voltage connector KM31 is connected to first The first electrode of battery bag 11, the 7th main contact of high voltage connector KM31 is connected to the second electrode of the first battery bag 11；
In the corresponding n-th drawing control unit of n-th battery bag, the 5th main contact of high voltage connector KM3n is connected to n-th- The second electrode of 1 battery bag, the 6th main contact of high voltage connector KM3n is connected to the first electrode of the n-th battery bag 101n, high 7th main contact of crimping tentaculum KM3n is connected to the second electrode of the n-th battery bag 101n；Meanwhile, the of the n-th battery bag 101n Two electrodes are connected to the second electrode incoming end of high voltage power distribution and electric machine control system.
In the present embodiment, first electrode is negative pole, second electrode is positive pole, or first electrode is positive pole, second electrode It is negative pole.When first electrode is that negative pole, second electrode are positive pole, the first access of the high voltage power distribution and electric machine control system It is positive pole incoming end to hold, and the second incoming end of the high voltage power distribution and electric machine control system is negative pole incoming end.
In the present embodiment, for example normally closed main contact of the 5th main contact of high voltage connector KM3i, high voltage connector KM3i For example normally opened main contact of 6th main contact, the 7th main contact such as quiet main contact of high voltage connector KM3i.
In the present embodiment two, can be common by high voltage connector KM31 ... high voltage connector KM3i ... high voltage connectors KM3n Drawing control unit circuit is constituted together with being integrated in, and then is easy to the modularization between battery bag and each high voltage connector to connect Connect and manage, as shown in Figure 10.
The present embodiment two provides the 3rd high pressure contact used in a kind of high voltage connector, i.e. the present embodiment two simultaneously Device KM3.Figure 11 shows the plan structure of the high voltage connector, and Figure 12 shows the internal structure of the high voltage connector.
Referring also to shown in Figure 11, Figure 12, the 3rd high voltage connector (KM3) includes：Housing KM301；Quiet main contact Binding post KM302, the quiet main contact binding post KM302 have the first external terminal, the first copper bar contact jaw and the second bronze medal Row's contact jaw, first external terminal is located at outside housing KM301, the first copper bar contact jaw and the second copper bar contact jaw In the housing KM301；Normally closed interlock binding post KM303, the normally closed interlock binding post KM303 have outside second and connect Line end and the 3rd copper bar contact jaw, second external terminal are located at outside housing KM301, and the 3rd copper bar contact jaw is located at In the housing KM301；Normally open contact binding post KM304, the normally open contact binding post KM304 have the 3rd external terminal With the 4th copper bar contact jaw, outside housing KM301, the 4th copper bar contact jaw is located at described the 3rd external terminal In housing KM301；
First connecting copper bar KM305, the first connecting copper bar KM305 is located in the housing KM301, and is touched simultaneously Or away from the first copper bar contact jaw and the 3rd copper bar contact jaw, to close or cut off the quiet main contact binding post Connection between KM302 and normally closed interlock binding post KM303；
First magnet coil KM306, the first magnet coil KM306 is in the housing KM301, and described first is electric Magnetic coil KM306 has first coil energization end, the letter that the first magnet coil KM306 is accessed at first coil energization end Number control under drive the first connecting copper bar KM305 to touch simultaneously or away from described first by the first universal driving shaft KM307 Copper bar contact jaw and the 3rd copper bar contact jaw；
Second connecting copper bar KM308, the second connecting copper bar KM308 is located in the housing KM301, and is touched simultaneously Or away from the second copper bar contact jaw and the 4th copper bar contact jaw, to close or cut off the quiet main contact binding post Connection between KM302 and normally open contact binding post KM304；
Second magnet coil KM309, the second magnet coil KM309 is in the housing KM301, and described second is electric Magnetic coil KM309 has the second coil electricity end, the letter that the second magnet coil KM309 is accessed at the second coil electricity end Number control under drive the second connecting copper bar KM308 to touch simultaneously or away from described second by the second universal driving shaft KM310 Copper bar contact jaw and the 4th copper bar contact jaw.
The 3rd high voltage connector KM3 also includes contactor control circuit KM311, the contactor control circuit KM311 is located in the housing KM301, and there is the contactor control circuit KM311 power supply receiving terminal, drive signal to receive End, also, the contactor control circuit KM311 is connected to the first coil energization end and the second coil electricity end；
Wherein, when the power supply receiving terminal receives power supply, and when the drive signal receiving terminal does not have drive signal：
The contactor control circuit KM311 is powered to the first magnet coil KM306, and then by the described first electricity Magnetic coil KM306 drives the first connecting copper bar KM305 to touch the first copper bar contact jaw and the contact of the 3rd copper bar simultaneously End so that normally off is between the normally closed interlock binding post KM303 and quiet main contact binding post KM302；Meanwhile, it is described Contactor control circuit KM311 is not powered to the second magnet coil KM309, and then the second connecting copper bar KM308 is simultaneously remote From the second copper bar contact jaw and the 4th copper bar contact jaw so that the normally open contact binding post KM304 and quiet main contact connect Normally open is between terminal KM302；
When the power supply receiving terminal receives power supply, and when the drive signal receiving terminal receives drive signal：
The contactor control circuit KM311 is not powered to the first magnet coil KM306, and then first connection Copper bar KM305 is simultaneously away from the first copper bar contact jaw and the 3rd copper bar contact jaw so that the normally closed interlock binding post It is off between KM303 and quiet main contact binding post KM302；Meanwhile, the contactor control circuit KM311 is to described Second magnet coil KM309 is powered, and then drives the second connecting copper bar KM308 by the second magnet coil KM309 Touch the second copper bar contact jaw and the 4th copper bar contact jaw simultaneously so that the normally open contact binding post KM304 and quiet master Closure state is between contact binding post KM302.
In the present embodiment two, the contactor need to provide normal electricity, and during without drive signal, normally-closed contact coil obtains electric, keep normal Main contacts stability is closed, now high tension loop can be attached by normally closed main contacts, after drive signal is received, by control Protection location opens normally-closed contact coil losing electricity, normally closed main contacts, while normally opened main contacts coil obtains electric, normally opened main contacts is closed Close, so that switching is realized in high tension loop.
The contactor is applied to electric automobile, and operating voltage highest 750VDC can meet current electric automobile voltage platform Demand, with one group of normally opened and normally-closed contact, persistent overcurrent maximum 500A after the closing of contact, low current (this value meet electricity Electrical automobile lowest power consumption needs) powered can switch, performance and life-span meet relevant criterion, and with keeping low in energy consumption, surge is small, into This low feature.
The embodiment of the present invention also provides a kind of electric automobile simultaneously, and the electric automobile use is performed as described above example two and is introduced Batteries of electric automobile drawing driving system.
Using the BMS systems of the batteries of electric automobile drawing driving system combination electric automobile of the present embodiment two, work as appearance During low level failure, the treatment such as alarm and downrating can be carried out first, then according to travel condition of vehicle and failure situation, As vehicle is under standby or low frequency use state for a long time, it is possible to use batteries of electric automobile drawing driving system of the invention Drawing control function is enabled, in the case of normal vehicle operation is not influenceed, failure can be repaired, battery is safeguarded, it Recover the normal of battery bag afterwards to use, so both ensure that failure was processed in time, it is to avoid problem constantly expands or irreversible situation Occur, and do not influence vehicle normally to run, so as to extend battery, improve vehicle reliability of operation and security. When there is high-level failure, drawing driving function can be directly opened, it is ensured that security of system, meet and also may be used under condition Vehicle is set to continue to travel certain distance.When there is extreme failure, in addition to disconnecting always just/total negative high voltage contactor, using this The batteries of electric automobile drawing driving system of invention can directly perform the drawing function of all battery bags, so that each battery Bag can be disengaged independently, so as to be effectively improved troubleshooting reliability, security, it is to avoid failure propagation.The present invention Simple structure is easy to implement.
Embodiment three
As shown in figure 13, it is different from previous embodiment, the batteries of electric automobile drawing driving system of the embodiment of the present invention three Including multiple (at least two) battery drawing subsystems 10, each battery drawing subsystem 10 is parallel with one another.Each described electricity Pond drawing subsystem 10 is including a battery bag 101 and a drawing control unit 102.Wherein, chest is dragged in the battery In system 10, the drawing control unit 102 is connected with the battery bag 101.In any one battery drags chest system 10, When the battery bag 101 is in normal condition, the path of drawing control unit 102；When the battery bag 101 is in anon-normal During normal state, the open circuit of the drawing control unit 102.The height of the batteries of electric automobile drawing driving system access electric automobile Press-fitting electricity and motor control system.
Figure 14 shows the circuit structure of battery drawing subsystem 10 in the embodiment of the present invention two.In the present embodiment three, often The individual drawing control unit 102 includes a 4th high voltage connector KM4.Wherein, the 4th high voltage connector KM4 tools There are the 8th main contact and the 9th main contact, the 4th high voltage connector KM4 connects with the battery bag 101, for example, described Eight main contacts are connected to battery bag, the 9th main contact and are connected to high voltage power distribution and electric machine control system.
When the battery bag 101 is in normal condition, closed between the main contact of the 4th high voltage connector KM4, Closed between i.e. described 8th main contact and the 9th main contact so that the battery bag can be to high voltage power distribution and motor control system System normal power supply；When the battery bag 101 is in abnormal condition, between the main contact of the 4th high voltage connector KM4 Disconnect, i.e., described 8th main contact and the 9th main contact it is separated, and then realize the battery bag drawing of abnormal condition.
In addition, in the present embodiment three, the batteries of electric automobile drawing driving system (is not shown also including command unit in figure Go out), the command unit is connected to the control end of the 4th high voltage connector KM4.When the battery bag 101 is in normal shape During state, the command unit controls the main contact closure of the 4th high voltage connector KM4, i.e., described command unit control is described 8th main contact of the 4th high voltage connector KM4 and the 9th main contact are closed；When the battery bag 101 is in abnormal condition When, the command unit controls the main contact of the 4th high voltage connector KM4 to disconnect, i.e., described command unit control described the 8th main contact of four high voltage connector KM4 and the 9th main contact disconnect.
In the present embodiment three, the 4th high voltage connector KM4 can be normally closed high voltage connector；Or, the described 4th It can be normally opened high voltage connector that high voltage connector KM4 is also.By taking normally closed high voltage connector as an example, the 8th main contact is for example, quiet Main contact and the 9th main contact is, for example, normally closed main contact, or, the 8th main contact is, for example, normally closed main contact and the 9th master touches Head is, for example, quiet main contact.
Figure 15 shows the batteries of electric automobile drawing driving system architecture of the present embodiment three.Specifically, the present embodiment three In, quantity such as n of battery bag 10, respectively first battery bag 1011 ... the i-th battery bag the n-th battery bags of 101i ... 101n, accordingly, the quantity of drawing control unit 20 is equal with the quantity of battery bag 10, is also n, the control of respectively the first drawing Unit ... the i-th drawing control unit ... the n-th drawing control unit.Wherein, the first drawing control unit includes high-voltage connecting Tentaculum KM41 ... the i-th drawing control units include that high voltage connector KM4i ... the n-th drawing control units include high pressure Contactor KM4n.In first drawing control unit, high voltage connector KM41 corresponds to the 4th above-mentioned high voltage connector KM4；I-th In drawing control unit, high voltage connector KM4i corresponds to the 4th above-mentioned high voltage connector KM4；In n-th drawing control unit, High voltage connector KM4n corresponds to the 4th above-mentioned high voltage connector KM4.Wherein, n is the integer more than or equal to 2, and i is from 1 to n In any one integer.I-th battery bag 101i represents any one battery bag in all n battery bags, and the i-th drawing control Unit processed represents any one the drawing control unit in all n drawing control units, and high voltage connector KM4i represents all n 4th high voltage connector KM4 of any one the drawing control unit in individual drawing control unit.
Above-mentioned i-th battery bag 101i, the i-th drawing control unit, high voltage connector KM4i have general in the present embodiment three Agreeable justice, represents from 1 to any one battery bag in n, drawing control unit and the 4th high voltage connector.
In the present embodiment three, first battery bag 1011 ... the i-th battery bag the n-th battery bags of 101i ... 101n is composed in parallel Batteries of electric automobile group, for the i-th battery bag 101i and the i-th drawing control unit：
I-th drawing control unit includes that high voltage connector KM4i, high voltage connector KM4i are connected to the i-th battery bag 101i's In branch road.Wherein, high voltage connector KM4i has two main contacts, two main contacts one of those be connected to the i-th battery bag The second electrode of 101i, two therein another of main contact are connected to high voltage power distribution and the second electrode of electric machine control system connects Enter end, and the first electrode of the i-th battery bag 101i is connected to the first electrode incoming end of high voltage power distribution and electric machine control system；Or Person, high voltage connector KM4i has two main contacts, two main contacts one of those be connected to the first of the i-th battery bag 101i Electrode, therein another of two main contacts is connected to the first electrode incoming end of high voltage power distribution and electric machine control system, and i-th The second electrode of battery bag 101i is connected to the second electrode incoming end of high voltage power distribution and electric machine control system.
Command unit (not shown) is connected to the control end of high voltage connector KM4i.
When the i-th battery bag 101i is in normal condition, two masters of the command unit control high voltage connector KM4i Contact closure so that the i-th battery bag 101i branch roads are in channel status.If all of battery bag is in normal condition, All 4th high voltage connectors (i.e. high voltage connector KM41 ... high voltage connectors KM4i ... high voltage connector KM4n) are closed Close, and then form the parallel-connection structure of all battery bags.
When the i-th battery bag 101i is in abnormal condition, two of the command unit control high voltage connector KM4i Main contact disconnects so that the i-th battery bag 101i branch roads are in off state.So just by the i-th battery bag 101i from all of electricity Depart from the bag of pond, that is, realize the i-th battery bag 101i of abnormal condition the drawing from the parallel circuit of all n battery bags Purpose, while also ensure the normal parallel connection of remaining n-1 battery bag, if multiple battery bags go wrong, only needing will be right The drawing control unit answered carries out same drawing operation, does not interfere with the parallel connection of its normal battery bag.
In the present embodiment, first electrode is negative pole, second electrode is positive pole, or first electrode is positive pole, second electrode It is negative pole.
In the present embodiment, two main contacts of high voltage connector KM4i one of those such as quiet main contacts, high pressure contact Two main contacts another for example normally closed main contact therein of device KM4i, certainly, the control signal (control according to command unit Voltage) design, high voltage connector KM5i can also use normally opened design.
In the present embodiment three, can be common by high voltage connector KM41 ... high voltage connector KM4i ... high voltage connectors KM4n Drawing control unit circuit is constituted together with being integrated in, and then is easy to the modularization between battery bag and each high voltage connector to connect Connect and manage, as shown in figure 16.
The embodiment of the present invention also provides a kind of electric automobile simultaneously, and the electric automobile use is performed as described above example three and is introduced Batteries of electric automobile drawing driving system.
In this implementation three, by cell, groups of mode in parallel constitutes Ress systems again after being first composed in series battery bag The battery bag of system, is finally parallel connection that the 4th contactor by being provided with is carried out, and electricity is had no effect on after departing from wherein one case The change of flattening bench, power output declines also very little, and vehicle can be made to continue to travel completely.
The present embodiment three also provides a kind of new RESS systems simultaneously, as shown in figure 17.The system includes battery pack, electricity Pond management system, heat management system, battery drawing driving system and other servicing units.
Wherein, the battery pack is the core of the RESS systems, and battery pack is that cell is made up of series-parallel system Battery modules, belong to the power source of electric automobile.
Battery management system, i.e. cell management system of electric automobile (BMS), are the connection battery pack and electric automobile Important tie, its major function includes：Battery physical parameter real-time monitoring；Battery status is estimated；Inline diagnosis and early warning；Fill, Electric discharge and preliminary filling control；Balanced management and heat management etc..
Heat management system, the temperature adjusting of battery pack is realized by the way that battery pack is heated and radiated, and protects battery pack Hold in optimum temperature operation interval, and ensure to occur without safety problem, heat management system generally comprises valve, pump, ptc heater, Auxiliary element such as radiator and pipeline etc..Electrokinetic cell pond essence is electrochemical reaction, the heat source of battery module, heat production Speed, battery thermal capacitance etc. have related parameter, essential closely related with battery.Battery temperature is too high or too low to influence filling for battery , thermal runaway in the performances such as electric discharge, it may occur that situations such as even exploding of catching fire there is when serious, therefore, heat management system is for battery The working healthily of group has vital effect.
Drawing driving system, when certain (a little) battery bag in battery pack is in abnormal condition, can be by the battery bag Depart from from battery pack, under conditions of vehicle driving is met, be capable of achieving the restructuring of remaining power so that vehicle being capable of driving.
Other servicing units, including body structure, electric line etc., to support jointly and be constituted whole system.
Existing RESS systems do not have a drawing driving system substantially, and seven heat management systems are also and imperfection.And the present embodiment New RESS systems, not only increased drawing driving system, also refined the parts such as heat management system perfect so that New system is safer, reliable, efficiently.
Example IV
Book example IV provides a kind of electric vehicle battery system drawing restructuring control method, and the method can optimize battery Bag failure handling mechanisms, cover the shortage, increase battery drawing with and subsequent disposal ability, i.e. drawing driving Functional Design, from And the monitoring management performance to battery bag is improved, and extend battery bag service life, improve the facility of vehicle driving ability and maintenance Property, so as to increase the satisfaction that user uses.
As shown in figure 18, the electric vehicle battery system drawing restructuring control method of the present embodiment four, including：
Whether step a, the battery bag judged in electric vehicle battery system meet drawing condition, and step is performed if meeting Rapid b, otherwise performs step l；
Step b, calculate battery bag drawing and electric vehicle battery system restructuring after, new electric vehicle battery system Whether state meets normal vehicle operation demand, if it is satisfied, then performing step c, otherwise performs step l；
Step c, by executive component perform battery bag drawing and electric vehicle battery system reorganization operation, it is laggard Enter step d；
Step d, judge that whether executive component performs the drawing operation of battery bag and succeeds, if it succeeds, into step e, Otherwise enter step k；
Step e, judge executive component perform electric vehicle battery system reorganization operation whether succeed, if it succeeds, Into step f, otherwise into step k；
Step f, the electric vehicle battery system after restructuring is tested, judge the electric vehicle battery system after restructuring Whether meet vehicle and increase journey driving requirements, if it is satisfied, then performing step h, otherwise perform step k；
Step g, vehicle enter increasing journey driving mode；
Step k, electric vehicle battery system recover the state to drawing, afterwards into step l；
Step l, electric automobile whole-control system are processed.
After vehicle enters increasing journey driving mode, battery system is practically at a kind of abnormal condition, it is therefore desirable in time Repaired, after fixing, increasing journey driving mode is jumped out, into normal mode.Therefore, in the embodiment of the present invention four, also include After electrokinetic cell system recovers normal, the step of increasing journey driving mode is jumped out automatically, specifically, the embodiment of the present invention four is also wrapped Include, after step g, the following steps in increasing journey driving mode are in vehicle：
Step h, judge electric vehicle battery system whether meet increasing journey pattern jump out condition, if meet if perform step I, otherwise performs step a；
Step i, electric vehicle battery system recover the state to drawing, afterwards into step j；
Step j, electric automobile enter normal operating condition, and perform step a.
The method of the present embodiment four, is that electric vehicle battery system is managed in existing electric automobile whole-control system It is additionally increased to drag case control function in the case of reason.There is electric automobile in existing electric automobile whole-control system The management program of battery system.The battery system management program (or strategy) is used to monitor battery system state, to improve battery Utilization rate and security so that battery and vehicle operation under the optimal condition.Therefore, electric automobile has battery system in itself Managerial ability, when battery system goes wrong, electric automobile whole-control system can make corresponding measure, to ensure electricity The safety of electrical automobile.After increased the method for the present embodiment four, can be when battery system goes wrong, in electric automobile whole control Before system processed makes corresponding measure, drawing reorganization is carried out, is engaged with existing electric automobile whole-control system, Realize the dual fail-safe of electric vehicle battery system security.
In the present embodiment four, the drawing condition includes：The output voltage of battery bag is more than or less than safe voltage model Enclose, the output current of battery bag is more than or less than safe current scope, and the capacity of battery bag is more than or less than safe capacity Scope, battery bag is less than safe Resistance value to the insulaion resistance on vehicle body ground, and the temperature of battery bag is more than or less than safe temperature Scope.
The increasing journey pattern jumps out condition, including electric vehicle battery system recovers to drawing the state before recombinating.
In the present embodiment four, when the battery bag in judging electric vehicle battery system breaks down, just meet and drag case bar Part.And failure caused can endanger according to its institute, can have multiple rank, such as low level failure, high-level failure, pole again End failure etc..
After there is low level failure, existing electric automobile whole can be combined using the method for the present embodiment four and control system System, can carry out the treatment such as alarm and downrating first, then according to travel condition of vehicle and failure situation, enable drawing control Function processed, can be repaired to failure, and battery is safeguarded, the normal of battery bag is recovered afterwards and is used, and so both ensure that event Barrier treatment in time, it is to avoid problem constantly expands or irreversible situation occurs, and does not influence vehicle normally to run, so as to extend battery Service life, improves vehicle reliability of operation and security.
After there is high-level failure, directly using the method for the present embodiment four drawing driving function can be opened.Ensure Security of system, meets and can also make under condition vehicle and continue to travel certain distance.
After there is extreme failure, except disconnect electric vehicle battery system it is total just/total negative high voltage contactor in addition to, can be with Direct drive disconnects the high voltage connector in all drawing driving systems, so that each battery bag is independently disengaged, effectively carries Troubleshooting reliability high, security, it is to avoid failure propagation.
In stepb, correlation computations are theoretically carried out, if confirming to perform whether drawing driving operation has meaning, It is such as meaningless, then directly perform breakdown judge mechanism, it is ensured that the safety of the isolation of failure and Ress systems and vehicle.
In stepb, it is necessary to meet safe drawing condition, including：
A, anticipation success, other are without highest fault alarm outside single case (single battery bag) failure；
B, with reference to vehicle and battery system fault mechanism, the drop counter-measure such as power is had, if drop power is to high voltage supply During less than a certain magnitude of voltage (the magnitude of voltage size being determined by real system working condition), parking can carry out drawing driving operation.
In step f, whether state meets vehicle demand after judging restructuring, including voltage platform to new battery system, The kinetic parameters such as electricity are evaluated；New battery system is without senior fault alarms such as other insulation.
What the execution last handling process of the step h later for step g to step j was further illustrated is：
After a, operation are performed, failure need to be carried out to new battery system and performance judges, not according to vehicle and battery system event Barrier mechanism carries out power down process, and such as voltage platform battery system index reaches vehicle operation minimum requirements, can just carry out height Electric current journey and high pressure electricity output in pressure；
B, BMS need to be recorded and battery system state after drawing is normally monitored and judged；
The information of vehicles that c, BMS will carry out drawing driving operation feeds back to backstage, and related personnel after sale will catch up with time Vehicle trouble case is replaced or repaired to vehicular seat, it is ensured that the satisfaction that user uses.
The electric vehicle battery system drawing restructuring control method of the embodiment of the present invention four, in original electric automobile whole control It is extra to judge drawing entry condition before system processed is processed, and then can realize that the drawing of electric automobile increases journey traveling, work as electricity When battery bag in electrical automobile battery system goes wrong, it is not necessary to processed immediately, and can be by increasing journey driving mode row Sailing to overhauling place carries out the maintenance of electric vehicle battery system, and after fixing, electric vehicle battery system just recovers to de- State before case restructuring, and then can cause that electric automobile recovers to normal operation shape by the judgement step in the inventive method State.Electric vehicle battery system drawing of the invention recombinates control method, optimizes battery bag failure handling mechanisms, increased electricity Pond case departs from and reprocessing rate, so as to improve the monitoring management performance to electric automobile power battery, extends electrokinetic cell Service life, improve electric automobile vehicle driving ability and maintenance convenience, so as to increase the satisfaction that user uses.
Embodiment five
Figure 19 shows the circuit structure of battery drawing subsystem 10 in the embodiment of the present invention five.The embodiment of the present invention five In, each described drawing control unit 102 includes a first manual high pressure emergency stop switch K1.The first manual high pressure urgency Guard's valve K1 is connected between the 4th connection end S4 of the drawing control unit 102 and the 5th connection end S5.
Wherein, a connection end of the first manual high pressure emergency stop switch K1 is connected to the drawing control unit 102 The 4th connection end S4, i.e., a connection end of described first manual high pressure emergency stop switch K1 is connected to battery drawing subsystem 10 The first connection end S1, that is, a connection end of the first manual high pressure emergency stop switch K1 is connected to an adjacent cell Second connection end S2 of drawing subsystem 10, that is, a connection end of the first manual high pressure emergency stop switch K1 is connected to The second electrode E2 of the battery bag 101 in one adjacent cell drawing subsystem 10.The first manual high pressure emergency stop switch K1 Another connection end be connected to the 5th connection end S5 of the drawing control unit 102, i.e., described first manual high pressure jerk Another connection end for switching K1 is connected to the first electrode E1 of the battery bag 101 in this battery drawing subsystem 10.When described When battery bag 101 is in normal condition, the first manual high pressure emergency stop switch K1 closures；When the battery bag 101 is in non- During normal condition, the first manual high pressure emergency stop switch K1 disconnects.
In the embodiment of the present invention five, each described drawing control unit 102 also includes a second high pressure manual jerk Switch K2.The second high pressure manual emergency stop switch K2 is connected to the 4th connection end S4 and of the drawing control unit 102 Between six connection end S6.
Wherein, a connection end of the second high pressure manual emergency stop switch K2 is connected to the drawing control unit 102 The 4th connection end S4, i.e., a connection end of described second high pressure manual emergency stop switch K2 is connected to battery drawing subsystem 10 The first connection end S1, that is, a connection end of the second high pressure manual emergency stop switch K2 is connected to an adjacent cell Second connection end S2 of drawing subsystem 10, that is, a connection end of the second high pressure manual emergency stop switch K2 is connected to The second electrode E2 of the battery bag 101 in one adjacent cell drawing subsystem 10, that is, the second high pressure manual jerk opens A connection end for closing a connection end of K2 and the first manual high pressure emergency stop switch K1 of this drawing control unit 102 connects Connect.Another connection end of the second high pressure manual emergency stop switch K2 is connected to the 6th company of the drawing control unit 102 End S6 is met, i.e., another connection end of described second high pressure manual emergency stop switch K2 is connected to the electricity during this battery drags case system 10 The second electrode E2 of pond bag 101.When the battery bag 101 is in normal condition, the second high pressure manual emergency stop switch K2 Disconnect；When the battery bag 101 is in abnormal condition, the second high pressure manual emergency stop switch K2 closures.
High pressure manual emergency stop switch surface structure employed in the present embodiment five as shown in Figure 20, Figure 21, wherein, manually High pressure emergency stop switch has a connection end K101 and another connection end K102 and hand push button K103, by a connection End K101 and another connection end K102 accesses circuit, presses hand push button K103 and is capable of achieving a connection end K101 and another Path connection between individual connection end K102, pull-up hand push button K103 is to be capable of achieving a connection end K101 and another connection Open circuit between the K102 of end.
In the embodiment of the present invention five, the battery drawing at the two ends in chest system 10 is dragged positioned at the multiple described battery of series connection In subsystem 10, the first connection end S1 that chest system 10 is connected and the second connection end S2 is not dragged to be respectively connected to electricity with adjacent cell The high voltage power distribution of electrical automobile and the first electrode incoming end of electric machine control system and second electrode incoming end.
Figure 22 shows the circuit structure of this batteries of electric automobile drawing driving system embodiment five of the invention.Specifically Ground, with reference to shown in Fig. 3, Fig. 4, Figure 19 and Figure 22, in the present embodiment, quantity such as n of battery bag 101, respectively first Battery bag 1011 ... the i-th battery bag 101i ... the n-th battery bag 101n, accordingly, the quantity of drawing control unit 102 and battery The quantity of bag 10 is equal, is also n, respectively first drawing control unit ... the i-th drawing control unit ... the n-th drawing control Unit processed.Wherein, the first drawing control unit includes high pressure manual emergency stop switch K11 and high pressure manual emergency stop switch K21 ... the i-th drawing control units include that high pressure manual emergency stop switch K1i and high pressure manual emergency stop switch K2i ... n-th takes off Case control unit includes high pressure manual emergency stop switch K1n and high pressure manual emergency stop switch K2n.In first drawing control unit, High pressure manual emergency stop switch K11 and high pressure manual emergency stop switch K21 correspond respectively to above-mentioned first manual high pressure emergency stop switch K1 and the second high pressure manual emergency stop switch K2；In i-th drawing control unit, high pressure manual emergency stop switch K1i and high pressure manual urgency Guard's valve K2i corresponds respectively to above-mentioned first manual high pressure emergency stop switch K1 and the second high pressure manual emergency stop switch K2；N-th takes off In case control unit, high pressure manual emergency stop switch K1n and high pressure manual emergency stop switch K2n correspond respectively to above-mentioned first manual High pressure emergency stop switch K1 and the second high pressure manual emergency stop switch K2.Wherein, n is the integer more than or equal to 2, i be from 1 to n in Any one integer.I-th battery bag 101i represents any one battery bag in all n battery bags, and the control of the i-th drawing is single Unit represents any one the drawing control unit in all n drawing control units, and high pressure manual emergency stop switch K1i represents all The first manual high pressure emergency stop switch of any one the drawing control unit in n drawing control unit, high pressure manual jerk is opened Close the second high pressure manual emergency stop switch that K2i represents any one the drawing control unit in all n drawing control units.
Above-mentioned i-th battery bag 101i, the i-th drawing control unit, high pressure manual emergency stop switch K1i and high pressure manual jerk are opened Close K2i has pervasive meaning in the present embodiment five, represents from 1 to any one battery bag in n, drawing control unit, the One high pressure manual emergency stop switch and the second high pressure manual emergency stop switch.
For the i-th battery bag 101i and the i-th drawing control unit：
I-th drawing control unit includes high pressure manual emergency stop switch K1i and high pressure manual emergency stop switch K2i.Wherein, manually One connection end of high pressure emergency stop switch K1i is connected to the second electrode of adjacent cell bag (i.e. the i-th -1 battery bag), high pressure manual Another connection end of emergency stop switch K1i is connected to the first electrode of the i-th battery bag 101i；High pressure manual emergency stop switch K2i's One connection end is connected to the second electrode of the adjacent cell bag (i.e. the i-th -1 battery bag), and high pressure manual emergency stop switch K2i's is another One connection end is connected to the second electrode of the i-th battery bag 1i.
When the i-th battery bag 101i is in normal condition, the hand push button for pressing the high pressure manual emergency stop switch K1i makes High pressure manual emergency stop switch K1i closures are obtained, the hand push button of high pressure manual emergency stop switch K2i causes high pressure manual urgency described in pull-up Guard's valve K2i disconnects, and so just the i-th battery bag 101i is connected together with adjacent cell bag (the i-th -1 battery bag).If all Battery bag when being in normal condition, then all first manual high pressure emergency stop switch (i.e. high pressure manual emergency stop switch K11 ... High pressure manual emergency stop switch K1i ... high pressure manuals emergency stop switch K1n) close, all second high pressure manual emergency stop switch are (i.e. High pressure manual emergency stop switch K21 ... high pressure manual emergency stop switch K2i ... high pressure manuals emergency stop switch K2n) disconnect, and then Form the cascaded structure of all battery bags.
When the i-th battery bag 101i is in abnormal condition, the hand push button of high pressure manual emergency stop switch K1i described in pull-up So that high pressure manual emergency stop switch K1i disconnects, the hand push button of the high pressure manual emergency stop switch K2i is pressed so that high pressure manual Emergency stop switch K2i is closed.So just the i-th battery bag 101i is departed from from all of battery bag, wherein, high pressure manual jerk is opened Close K1i and disconnect and realize the open circuit of the i-th battery bag 101i and the i-th -1 battery bag, and the closure of high pressure manual emergency stop switch K2i, The connection of the i-th -1 battery bag and i+1 battery bag is then realized, so in the series circuit of all n battery bags, is just bypassed I-th battery bag 1i of abnormal condition, that is, realize the i-th battery bag 1i of abnormal condition from all n battery bags The purpose of drawing in series circuit, while also ensure the normal series connection of remaining n-1 battery bag, if asking occur in multiple battery bags Topic, then only need to carry out same drawing operation by corresponding drawing control unit, not interfere with the string of its normal battery bag Connection.
In the battery bag at two ends：
In the corresponding first drawing control unit of first battery bag 1011, a connection of high pressure manual emergency stop switch K11 End is directly connected in the first electrode incoming end of high voltage power distribution and electric machine control system, and high pressure manual emergency stop switch K11's is another Individual connection end is connected to the first electrode of the first battery bag 1011；One connection end of high pressure manual emergency stop switch K21 directly connects It is connected to the first electrode incoming end of high voltage power distribution and electric machine control system, another connection end of high pressure manual emergency stop switch K21 It is connected to the second electrode of the first battery bag 1011；
In the corresponding n-th drawing control units of n-th battery bag 101n, a connection end of high pressure manual emergency stop switch K1n The second electrode of the (n-1)th battery bag is connected to, another connection end of high pressure manual emergency stop switch K1n is connected to the n-th battery bag The first electrode of 101n；One connection end of high pressure manual emergency stop switch K2n is connected to the second electrode of the (n-1)th battery bag, hand Another connection end of dynamic high pressure emergency stop switch K2n is connected to the second electrode of the n-th battery bag 101n；Meanwhile, the n-th battery bag 1n Second electrode be connected to the second electrode incoming end of high voltage power distribution and electric machine control system.
In the present embodiment five, first electrode is negative pole, second electrode is positive pole, or first electrode is positive pole, the second electricity Extremely negative pole.When first electrode is that positive pole, second electrode are negative pole, the first of the high voltage power distribution and electric machine control system connects Enter end for positive pole incoming end, the second incoming end of the high voltage power distribution and electric machine control system is negative pole incoming end；When the first electricity When extremely negative pole, second electrode are positive pole, the first incoming end of the high voltage power distribution and electric machine control system is negative pole incoming end, Second incoming end of the high voltage power distribution and electric machine control system is positive pole incoming end.
As shown in figure 23, in the present embodiment five, the batteries of electric automobile drawing driving system further may include that one takes off Case control panel.The hand push button of the first manual high pressure emergency stop switch K1 of each drawing control unit 102 and second-hand The hand push button of dynamic high pressure emergency stop switch K2 is mounted on the drawing control panel, also, the drawing control panel is installed There is the indicator lamp for corresponding to show each working condition of battery bag 101 respectively.For example, can be by high pressure manual emergency stop switch K11 ... High pressure manual emergency stop switch K1i ... high pressure manual emergency stop switch K1n and high pressure manual emergency stop switch K21 ... are high manually Pressure emergency stop switch K2i ... high pressure manual emergency stop switch K2n co-integrations are installed in drawing control panel, and then are easy to battery Modularization connection and management between bag and each high pressure manual emergency stop switch.The indicator lamp may connect to BMS systems to obtain The working condition of each battery bag, and the working condition according to each battery bag is indicated (such as by indicator lamp face respectively Color change or flicker and reflect working condition of corresponding battery bag etc.).
The present embodiment five is similar with embodiment one, and difference is by the first high voltage connector and second in embodiment one High voltage connector replaces with first manual high pressure emergency stop switch and the second high pressure manual emergency stop switch, and the first high pressure will be contacted The circuit control of device and the second high voltage connector is changed to first manual high pressure emergency stop switch and the second high pressure manual emergency stop switch Manual control.
The embodiment of the present invention also provides a kind of electric automobile simultaneously, and the electric automobile use is performed as described above example five and is introduced Batteries of electric automobile drawing driving system.
Using the BMS systems of the batteries of electric automobile drawing driving system combination electric automobile of the embodiment of the present invention five, when When there is low level failure, the treatment such as alarm and downrating can be carried out first, then according to travel condition of vehicle and failure Situation, such as vehicle are under standby or low frequency use state for a long time, it is possible to use batteries of electric automobile drawing of the invention continues Sail system and drawing control function is enabled using manual mode, in the case of normal vehicle operation is not influenceed, failure can be tieed up Repair, battery is safeguarded, the normal of battery bag is recovered afterwards and is used, so both ensure that failure was processed in time, it is to avoid problem is not It is disconnected to expand or the appearance of irreversible situation, and do not influence vehicle normally to run, so as to extend battery, improve vehicle operation Reliability and security.When there is high-level failure, can direct manually opened drawing driving function, it is ensured that system safety Property, meet and can also make under condition vehicle and continue to travel certain distance.When there is extreme failure, using of the invention electronic Automobile batteries drawing driving system can directly manually perform the drawing function of all battery bags, so that each battery bag can Enough independent disengagements, so as to be effectively improved troubleshooting reliability, security, it is to avoid failure propagation.Structure letter of the present invention It is single easy to implement.Compared with automatically controlled drawing mode of operation, changed up using high pressure manual jerk of the invention and controlled manually, can The operation failure that fault is caused is avoided the occurrence of, reliability is stronger.
Embodiment six
Figure 24 shows the circuit structure of battery drawing subsystem 10 in the embodiment of the present invention six.The embodiment of the present invention six In, each described drawing control unit 102 includes one first plug switch KFU1.The first plug switch KFU1 connections Between the 4th connection end S4 and the 5th connection end S5 of the drawing control unit 102.
Wherein, a connection end of the first plug switch KFU1 is connected to the 4th of the drawing control unit 102 One connection end of connection end S4, i.e., described first plug switch KFU1 is connected to the first connection end of battery drawing subsystem 10 S1, that is, a connection end of the first plug switch KFU1 is connected to one the second of adjacent cell drawing subsystem 10 Connection end S2, that is, a connection end of the first plug switch KFU1 is connected to an adjacent cell drawing subsystem 10 In battery bag 101 second electrode E2.Another connection end of the first plug switch KFU1 is connected to the drawing control 5th connection end S5 of unit processed 102, i.e., another connection end of described first plug switch KFU1 is connected to this battery drawing The first electrode E1 of the battery bag 101 in subsystem 10.When the battery bag 101 is in normal condition, first plug The plug and socket of KFU1 are switched to inserting to close；When the battery bag 101 is in abnormal condition, first plug is opened The plug for closing KFU1 departs from socket to disconnect.
In the embodiment of the present invention six, each described drawing control unit 102 also includes one second plug switch KFU2. It is described second plug switch KFU2 be connected to the drawing control unit 102 the 4th connection end S4 and the 6th connection end S6 it Between.
Wherein, a connection end of the second plug switch KFU2 is connected to the 4th of the drawing control unit 102 One connection end of connection end S4, i.e., described second plug switch KFU2 is connected to the first connection end of battery drawing subsystem 10 S1, that is, a connection end of the second plug switch KFU2 is connected to one the second of adjacent cell drawing subsystem 10 Connection end S2, that is, a connection end of the second plug switch KFU2 is connected to an adjacent cell drawing subsystem 10 In battery bag 101 second electrode E2, that is, the second plug switch KFU2 a connection end and this drawing control it is single One connection end connection of the first plug switch KFU1 of unit 102.Another connection of the second plug switch KFU2 End is connected to the 6th connection end S6 of the drawing control unit 102, i.e., another connection of described second plug switch KFU2 End is connected to the second electrode E2 that this battery drags the battery bag 101 in case system 10.When the battery bag 101 is in normal condition When, the plug of the second plug switch KFU2 departs from socket to disconnect；When the battery bag 101 is in abnormal condition, The plug of the second plug switch KFU2 is with socket to inserting to close.
Plug employed in the present embodiment six switchs surface structure as shown in Figure 25, Figure 26, wherein, plug switch has One connection end and another connection end (not shown), socket KFU101 and plug KFU102, one of plug switch Connection end and another connection end are located at socket KFU101, and socket KFU101 is by a connection end and another connection termination Enter circuit, plug KFU102 insertions socket KFU101 is that the path being capable of achieving between a connection end and another connection end connects Connect, it is the open circuit being capable of achieving between a connection end and another connection end that plug KFU102 extracts socket KFU101.
In the embodiment of the present invention six, the battery drawing at the two ends in chest system 10 is dragged positioned at the multiple described battery of series connection In subsystem 10, the first connection end S1 that chest system 10 is connected and the second connection end S2 is not dragged to be respectively connected to electricity with adjacent cell The high voltage power distribution of electrical automobile and the first electrode incoming end of electric machine control system and second electrode incoming end.
Figure 27 shows the circuit structure of this batteries of electric automobile drawing driving system embodiment six of the invention.Specifically Ground, with reference to shown in Fig. 3, Fig. 4, Figure 24 and Figure 27, in the present embodiment, quantity such as n of battery bag 101, respectively first Battery bag 1011 ... the i-th battery bag 101i ... the n-th battery bag 101n, accordingly, the quantity of drawing control unit 102 and battery The quantity of bag 10 is equal, is also n, respectively first drawing control unit ... the i-th drawing control unit ... the n-th drawing control Unit processed.Wherein, the first drawing control unit includes plug switch KFU11 and plug switch KFU21 ... i-th drawing controls Unit includes that plug switch KFU1i and plug switch KFU2i ... the n-th drawing control units include plug switch KFU1n With plug switch KFU2n.In first drawing control unit, plug switch KFU11 and plug switch KFU21 corresponds respectively to above-mentioned First plug switch KFU1 and second plug switch KFU2；In i-th drawing control unit, plug switch KFU1i and plug are opened Close KFU2i and correspond respectively to the first above-mentioned plug plug switches of switch KFU1 and second KFU2；In n-th drawing control unit, Plug switch KFU1n and plug switch KFU2n correspond respectively to the first above-mentioned plug plug switches of switch KFU1 and second KFU2.Wherein, n is the integer more than or equal to 2, and i is from 1 to any one integer in n.I-th battery bag 101i represents all n Any one battery bag in individual battery bag, and the i-th drawing control unit represents any one in all n drawing control units Individual drawing control unit, plug switch KFU1i represents any one the drawing control unit in all n drawing control units First plug switch, plug switch KFU2i represents the of any one drawing control unit in all n drawing control units Two plug switches.
Above-mentioned i-th battery bag 101i, the i-th drawing control unit, plug switch KFU1i and plug switch KFU2i are in this reality Applying has pervasive meaning in example six, represent from 1 to any one battery bag in n, drawing control unit, the first plug switch with And second plug switch.
For the i-th battery bag 101i and the i-th drawing control unit：
I-th drawing control unit includes plug switch KFU1i and plug switch KFU2i.Wherein, plug switchs KFU1i's One connection end is connected to the second electrode of adjacent cell bag (i.e. the i-th -1 battery bag), another connection of plug switch KFU1i End is connected to the first electrode of the i-th battery bag 101i；One connection end of plug switch KFU2i is connected to the adjacent cell bag The second electrode of (i.e. the i-th -1 battery bag), another connection end of plug switch KFU2i is connected to the second of the i-th battery bag 1i Electrode.
When the i-th battery bag 101i is in normal condition, the plug and socket of the plug switch KFU1i are to inserting to cause Plug switch KFU1i closures, the plug of the plug switch KFU2i departs from socket to cause that plug switch KFU2i disconnects, so Just the i-th battery bag 101i is connected together with adjacent cell bag (the i-th -1 battery bag).If all of battery bag is in normally During state, then all first plugs are switched (i.e. plug switch KFU11 ... plug switches KFU1i ... plugs switch KFU1n) Close, all second plug switches (i.e. plug switch KFU21 ... plugs switch KFU2i ... plug switches KFU2n) are Disconnect, and then form the cascaded structure of all battery bags.
When the i-th battery bag 101i is in abnormal condition, the plug of the plug switch KFU1i departs from socket to cause Plug switch KFU1i disconnects, and the plug switchs the plug of KFU2i and socket is closed to inserting with causing that plug switchs KFU2i.This Sample just departs from the i-th battery bag 101i from all of battery bag, wherein, plug switch KFU1i disconnects and realizes the i-th battery bag The open circuit of 101i and the i-th -1 battery bag, and plug the closure of switch KFU2i, then realize the i-th -1 battery bag and i+1 battery In fact the connection of bag, so in the series circuit of all n battery bags, just bypassed the i-th battery bag 1i of abnormal condition, i.e., Show by the purpose of the i-th battery bag 1i drawings from the series circuit of all n battery bags of abnormal condition, while also ensureing The normal series connection of remaining n-1 battery bag, if multiple battery bags go wrong, need to only enter corresponding drawing control unit The same drawing operation of row, does not interfere with the series connection of its normal battery bag.
In the battery bag at two ends：
In the corresponding first drawing control unit of first battery bag 1011, a connection end of plug switch KFU11 is direct It is connected to the first electrode incoming end of high voltage power distribution and electric machine control system, another connection end connection of plug switch KFU11 In the first electrode of the first battery bag 1011；One connection end of plug switch KFU21 is directly connected in high voltage power distribution and motor The first electrode incoming end of control system, another connection end of plug switch KFU21 is connected to the of the first battery bag 1011 Two electrodes；
In the corresponding n-th drawing control units of n-th battery bag 101n, a connection end of plug switch KFU1n is connected to The second electrode of the (n-1)th battery bag, another connection end of plug switch KFU1n is connected to first electricity of the n-th battery bag 101n Pole；One connection end of plug switch KFU2n is connected to the second electrode of the (n-1)th battery bag, and plug switchs another of KFU2n Connection end is connected to the second electrode of the n-th battery bag 101n；Meanwhile, the second electrode of the n-th battery bag 1n is connected to high voltage power distribution And the second electrode incoming end of electric machine control system.
In the present embodiment six, first electrode is negative pole, second electrode is positive pole, or first electrode is positive pole, the second electricity Extremely negative pole.When first electrode is that positive pole, second electrode are negative pole, the first of the high voltage power distribution and electric machine control system connects Enter end for positive pole incoming end, the second incoming end of the high voltage power distribution and electric machine control system is negative pole incoming end；When the first electricity When extremely negative pole, second electrode are positive pole, the first incoming end of the high voltage power distribution and electric machine control system is negative pole incoming end, Second incoming end of the high voltage power distribution and electric machine control system is positive pole incoming end.
As shown in figure 28, in the present embodiment six, the batteries of electric automobile drawing driving system further may include that one takes off Case control panel.The socket and the second plug switch KFU2 of the first plug switch KFU1 of each drawing control unit 102 Socket be mounted on the drawing control panel, also, the drawing control panel is provided with and correspond to respectively display each electricity Wrap the indicator lamp of 101 working conditions in pond.For example, can be by plug switch KFU11 ... plug switch KFU1i ... plug switches KFU1n and plug switch KFU21 ... plug switch KFU2i ... plug switch KFU2n co-integrations are installed on drawing control In panel processed, and then it is easy to the modularization between battery bag and each high pressure manual emergency stop switch to connect and manage.The indicator lamp BMS systems be may connect to obtain the working condition of each battery bag, and the working condition according to each battery bag is carried out respectively Indicate (for example changed by indicator light colors or flash and reflect working condition of corresponding battery bag etc.).
The present embodiment six is similar with embodiment one, and difference is by the first high voltage connector and second in embodiment one High voltage connector replaces with the first plug switch and the second plug switch, and the first high voltage connector and the second high pressure will be contacted The circuit control of device is changed to the manual control to the first plug switch and the second plug switch.
The embodiment of the present invention also provides a kind of electric automobile simultaneously, and the electric automobile use is performed as described above example six and is introduced Batteries of electric automobile drawing driving system.
Using the BMS systems of the batteries of electric automobile drawing driving system combination electric automobile of the embodiment of the present invention six, when When there is low level failure, the treatment such as alarm and downrating can be carried out first, then according to travel condition of vehicle and failure Situation, such as vehicle are under standby or low frequency use state for a long time, it is possible to use batteries of electric automobile drawing of the invention continues Sail system and drawing control function is enabled using manual mode, in the case of normal vehicle operation is not influenceed, failure can be tieed up Repair, battery is safeguarded, the normal of battery bag is recovered afterwards and is used, so both ensure that failure was processed in time, it is to avoid problem is not It is disconnected to expand or the appearance of irreversible situation, and do not influence vehicle normally to run, so as to extend battery, improve vehicle operation Reliability and security.When occur high-level failure when, can plug by way of manually opened drawing driving function, protect Card security of system, meets and can also make under condition vehicle and continue to travel certain distance.When there is extreme failure, using this The batteries of electric automobile drawing driving system of invention directly can plug the plug for switching to manually perform by the way that plug is corresponding The drawing function of all battery bags, so that each battery bag can be disengaged independently, so as to be effectively improved troubleshooting Reliability, security, it is to avoid failure propagation.Simple structure of the present invention is easy to implement.Compared with automatically controlled drawing mode of operation, adopt Changed up with high pressure manual jerk of the invention and controlled manually, the hair of the operation failure situation that fault causes can be avoided Raw, reliability is stronger.
Embodiment seven
The embodiment of the present invention seven provides a kind of battery bag that itself can realize drawing function, is existed using this kind of battery bag While drawing driving function can be realized, the structure of external control circuit is greatly simplified, save setting for external circuit Meter cost.
Figure 29 shows the structure of the battery bag 5 in the embodiment of the present invention seven.In the embodiment of the present invention seven, the battery bag 5 have the first connection end S1 and the second connection end S2 for being connected to external circuit.The battery bag 5 also includes battery pack 501 and drawing Control circuit 502.Wherein, the battery pack 501 has first electrode E1 and second electrode E2, the second of the battery pack 501 Electrode E2 is connected to the second connection end S2 of the battery bag.The drawing control circuit 502 has the 4th connection end S4, the 5th Connection end S5 and the 6th connection end S6, wherein, the 4th connection end S4 of the drawing control circuit 502 is connected to the battery bag 5 the first connection end S1, the 5th connection end S5 of the drawing control circuit 502 is connected to the first electricity of the battery pack 501 Pole E1, the 6th connection end S6 of the drawing control circuit 502 is connected to the second connection end S2 of the battery bag 5.When described When battery pack 501 is in normal condition, lead between the 4th connection end S4 and the 5th connection end S5 of the drawing control circuit 502 Road, open circuit between the 4th connection end S4 and the 6th connection end S6 of the drawing control circuit 502.At the battery pack 501 When abnormal condition, path between the 4th connection end S4 and the 6th connection end S6 of the drawing control circuit 502 is described de- Open circuit between the 4th connection end S4 and the 5th connection end S5 of case control circuit 502.
Wherein, in embodiment of the present invention seven, it is described drag case control circuit include a 5th high voltage connector KM5.Institute The 5th high voltage connector KM5 is stated with the tenth main contact, the 11st main contact and the 12nd main contact.
Wherein, the tenth main contact is connected to the 4th connection end S4 that the drawing controls circuit 502, i.e., the described tenth Main contact is connected to the first connection end S1 of the battery bag 5.11st main contact is connected to the drawing control circuit 502 the 5th connection end S5, i.e., described 11st main contact is connected to the first electrode E1 of battery pack 501.12nd master Contact is connected to the 6th connection end S6 that the drawing controls circuit 502, i.e., described 12nd main contact is connected to battery pack 501 Second electrode E2.When the battery pack 501 is in normal condition, closed between the tenth main contact and the 11st main contact Close, the tenth main contact and the 12nd main contact it is separated；It is described when the battery pack 501 is in abnormal condition Separated, the closure between the tenth main contact and the 12nd main contact of the tenth main contact and the 11st main contact.
In the embodiment of the present invention seven, the battery bag also has control interface (not shown).Wherein, the described 5th is high The control end of crimping tentaculum KM5 is connected by the control interface with the command unit outside battery bag.At the battery pack 501 When normal condition, the command unit controls the tenth main contact and the 11st main contact of the 5th high voltage connector KM5 Close and control the tenth main contact and the 12nd main contact of the 5th high voltage connector KM5 to disconnect.When the battery pack 501 in abnormal condition when, the command unit controls the tenth main contact and the 11st of the 5th high voltage connector KM5 Main contact disconnects and controls the tenth main contact and the 12nd main contact of the 5th high voltage connector KM5 to close.
In the embodiment of the present invention seven, the tenth main contact of the 5th high voltage connector KM5 is quiet main contact, the 11st master Contact is normally closed main contact, the 12nd main contact is normally opened main contact；Or, or, the 5th high voltage connector KM5 The tenth main contact for quiet main contact, the 11st main contact be normally opened main contact, the 12nd main contact be normally closed main contact.
With continued reference to shown in Figure 29, in the embodiment of the present invention seven, the battery bag 5 also includes BMS from control unit 506, institute State BMS and be connected to the battery pack 501 from control unit 506, and be connected with the control circuit outside battery bag 5.In addition, with existing electricity Pond bag identical is, in the embodiment of the present invention seven, the battery bag 5 also has low-voltage interface 505.
In the embodiment of the present invention seven, the battery bag 5 has a housing 509.The battery pack 501, the contact of the 5th high pressure Device KM5 and BMS is installed in the housing 509 from control unit 506.The first electrode E1, second electrode E2 and control interface The housing 509 is mounted on to be connected with external circuit.
In the embodiment of the present invention seven, the first electrode E1 is positive pole, and the second electrode E2 is negative pole；Or, it is described First electrode E1 is negative pole, and the second electrode E2 is positive pole.
The embodiment of the present invention seven also provides a kind of batteries of electric automobile drawing driving system, the batteries of electric automobile simultaneously Drawing driving system includes at least two battery bags as described above 5, and multiple battery bags 5 are serially connected composition battery bag string Connection circuit.In the battery bag series circuit, between two adjacent battery bags 5, the first connection of one of battery bag 5 End S1 is connected to the second connection end S2 of another battery bag 5.The battery bag 5 at the two ends in the battery bag series circuit In, the first connection end S1 and the second connection end S2 that are not connected with battery bag 5 are respectively connected to the high voltage power distribution and electricity of electric automobile The first electrode incoming end and second electrode incoming end of machine control system.For controlling the 5th high voltage connector in battery bag 5 The command unit of KM5 is connected to each battery bag 5 by control interface, and drawing operational control is carried out with to each battery bag 5.
Figure 30 shows the batteries of electric automobile drawing driving circuit system structure in the embodiment of the present invention seven.Specifically, With reference to Figure 29 and Figure 30, in the present embodiment seven, quantity such as n of battery bag 5, respectively first the i-th electricity of battery bag 51 ... 5i ... the n-th battery bag 5n are wrapped in pond, and each battery bag 5 is respectively provided with a battery pack 501 and a drawing control circuit 502, right Ying Di：Battery pack 501 is n, respectively first battery pack 5011 ... the i-th battery pack 501i ... the n-th battery pack 501n, the In one battery bag 51, the first battery pack 5011 corresponds to above-mentioned battery pack 501 (shown in Figure 29), in the i-th battery bag 5i, the i-th electricity Pond group 501i corresponds to above-mentioned battery pack 501, and in the n-th battery bag 5n, the n-th battery pack 501n corresponds to above-mentioned battery pack 501；Drag Case control circuit 502 is also n, and respectively first drags case to control circuit ... i-th to drag case to control circuit ... n-th to drag case control Circuit, wherein, first drag case control circuit include high voltage connector KM51 ... i-th drag case control circuit include high-voltage connecting Tentaculum KM5i ... n-th drags case to control the circuit to include high voltage connector KM5n, during first drags case control circuit, high voltage connector KM51 correspond to above-mentioned 5th high voltage connector KM5 (shown in Figure 29), i-th drag case control circuit in, high voltage connector KM5i pairs Should in above-mentioned 5th high voltage connector KM5, n-th drag case control circuit in, high voltage connector KM5n correspond to above-mentioned 5th high pressure Contactor KM5.Wherein, n is the integer more than or equal to 2, and i is from 1 to any one integer in n.I-th battery bag 5i represents institute There is any one battery bag in n battery bag, and i-th drags case to control circuit to represent that all n are dragged case to control appointing in circuit Meaning one drags case to control circuit, and high voltage connector KM5i represents that any one that all n drag case to control in circuit drags case control 5th high voltage connector KM5 of circuit.
Above-mentioned i-th battery bag 5i, the i-th battery pack 501i, i-th drag case to control circuit and high voltage connector KM5i in this reality Applying has pervasive meaning in example seven, represents from 1 to any one battery bag in n, battery pack, drags case to control circuit and the 5th High voltage connector.
Come for the i-th battery bag 5i in the batteries of electric automobile drawing driving circuit system in the embodiment of the present invention seven Say, the first connection end S1 of the i-th battery bag 5i is connected to the second connection end S2 of the i-th -1 battery bag, the second of the i-th battery bag 5i Connection end S2 is connected to the first connection end S2 of i+1 battery bag.
Battery bag for the two ends in the batteries of electric automobile drawing driving circuit system in the embodiment of the present invention seven is come Say：The first electrode of high voltage power distribution and electric machine control system that the first connection end S1 of the first battery bag 51 accesses electric automobile connects Enter end, and the second connection end S2 of the first battery bag 51 is connected to the first connection end S1 of the second battery bag；N-th battery bag 5n's The high voltage power distribution of the second connection end S2 access electric automobiles and the second electrode incoming end of electric machine control system, and the n-th battery bag The first connection end S1 of 5n is connected to the first connection end S2 of the (n-1)th battery bag.
Command unit (not shown) is connected to the control interface of each battery bag.
When battery pack 501i in the i-th battery bag 5i is in normal condition, the command unit controls high voltage connector Tenth main contact of KM5i and the 11st main contact are closed, and control the tenth main contact and the 12nd master of high voltage connector KM5i Contact is disconnected, and the battery pack 501i in the i-th battery bag 5i and adjacent cell bag (the i-th -1 battery bag) just so are connected into one Rise.If the battery pack in all of battery bag is in normal condition, all 5th high voltage connectors (i.e. high voltage connector KM51 ... high voltage connectors KM5i ... high voltage connector KM5n) the tenth main contact and the 11st main contact close, Ten main contacts and the 12nd main contact disconnect, and then form the cascaded structure of battery pack in all battery bags.
When battery pack 501i in the i-th battery bag 5i is in abnormal condition, the command unit control high pressure contact Tenth main contact of device KM5i and the 11st main contact disconnect, and control the tenth main contact and the 12nd of high voltage connector KM5i Main contact is closed.So just the battery pack 501i in the i-th battery bag 5i is departed from from all of battery bag, wherein, high-voltage connecting Tenth main contact of tentaculum KM5i and the 11st main contact disconnect the battery pack 501i and i-th -1 realized in the i-th battery bag 5i The open circuit of battery bag, and the tenth main contact of high voltage connector KM5i and the closure of the 12nd main contact, then realize the i-th -1 electricity The connection of Chi Bao and i+1 battery bag, so in the series circuit of all n battery bags, has just bypassed abnormal condition Battery pack 501i in i-th battery bag 5i, that is, realize the i-th battery bag 5i of abnormal condition from all n battery bags The purpose of drawing in series circuit, while also ensure the normal series connection of remaining n-1 battery bag, if asking occur in multiple battery bags Topic, then only need to drag case to control circuit to carry out same drawing to operate, do not interfere with the string of its normal battery bag by corresponding Connection.
In the present embodiment seven, first electrode is negative pole, second electrode is positive pole, or first electrode is positive pole, the second electricity Extremely negative pole.When first electrode is that negative pole, second electrode are positive pole, the first of the high voltage power distribution and electric machine control system connects Enter end for positive pole incoming end, the second incoming end of the high voltage power distribution and electric machine control system is negative pole incoming end.
The embodiment of the present invention also provides a kind of electric automobile simultaneously, and the electric automobile use is performed as described above example seven and is introduced Battery bag and batteries of electric automobile drawing driving system.
The embodiment of the present invention seven, will drag case control it is circuit integrated enter battery bag in, assembling when, only need to according to demand by electricity Chi Bao carry out it is in series or in parallel by constitute batteries of electric automobile drawing driving system, it is not necessary to additionally carried out for drawing function New circuit design.Meanwhile, batteries of electric automobile drawing driving system of the invention also has more good effects, for example originally The BMS systems of the batteries of electric automobile drawing driving system combination electric automobile of invention, when there is low level failure, first may be used The treatment such as alarm and downrating is carried out, then according to travel condition of vehicle and failure situation, such as vehicle is in and treats for a long time Under machine or low frequency use state, it is possible to use batteries of electric automobile drawing driving system of the invention enables drawing control function, The battery bag of failure is carried out into drawing operation, in the case of normal vehicle operation is not influenceed, failure can be repaired, battery enters Row safeguards, the normal of battery bag recovered afterwards and is used, and so both ensure that failure was processed in time, it is to avoid problem constantly expands or not Reversible case occurs, and does not influence vehicle normally to run, so as to extend battery, improve vehicle reliability of operation and Security.When there is high-level failure, drawing driving function can be opened, the battery bag of failure is carried out into drawing operation, and Remaining normal battery bag constitutes new battery system and is powered, and ensureing security of system, meets and also may be used under condition Vehicle is set to continue to travel certain distance.When there is extreme failure, using batteries of electric automobile drawing driving system of the invention The drawing function of all battery bags can be directly performed, so that each battery bag can be disengaged independently, so as to effectively carry High troubleshooting reliability, security, it is to avoid failure propagation.
In each embodiment of the invention, the sequence number before described each connection end, contact and electrode is for more Clearly state the annexation between each several part and mutually distinguished.
It should be understood that, although this specification is described according to each implementation method, but not each implementation method is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Specification an as entirety, the technical scheme in each implementation method can also be formed into people in the art through appropriately combined The understandable other embodiment of member.
Those listed above is a series of to be described in detail only for feasibility implementation method of the invention specifically It is bright, and and be not used to limit the scope of the invention, all equivalent embodiments made without departing from skill spirit of the present invention or Combination, segmentation or the repetition of change, such as feature, should be included within the scope of the present invention.

Claims (5)

1. a kind of electric vehicle battery system drawing recombinates control method, it is characterised in that including：
Whether step a, the battery bag judged in electric vehicle battery system meet drawing condition, and step b is performed if meeting, Otherwise perform step l；
Step b, calculate battery bag drawing and electric vehicle battery system restructuring after, the state of new electric vehicle battery system Whether meet normal vehicle operation demand, if it is satisfied, then performing step c, otherwise perform step l；
The reorganization operation of step c, the drawing that battery bag is performed by executive component and electric vehicle battery system, enters step afterwards Rapid d；
Step d, judge that whether executive component performs the drawing operation of battery bag and succeeds, if it succeeds, into step e, otherwise Into step k；
Step e, judge executive component perform electric vehicle battery system reorganization operation whether succeed, if it succeeds, into Step f, otherwise into step k；
Step f, the electric vehicle battery system after restructuring is tested, whether judge the electric vehicle battery system after restructuring Meet vehicle and increase journey driving requirements, if it is satisfied, then performing step h, otherwise perform step k；
Step g, vehicle enter increasing journey driving mode；
Step k, electric vehicle battery system recover the state to drawing, afterwards into step l；
Step l, electric automobile whole-control system are processed.
2. electric vehicle battery system drawing according to claim 1 recombinates control method, it is characterised in that also include, After step g, the following steps in increasing journey driving mode are in vehicle：
Step h, judge whether electric vehicle battery system meets increasing journey pattern and jump out condition, step i is performed if meeting, it is no Then perform step a；
Step i, electric vehicle battery system recover the state to drawing, afterwards into step j；
Step j, electric automobile enter normal operating condition, and perform step a.
3. electric vehicle battery system drawing according to claim 1 recombinates control method, it is characterised in that described electronic There is the electric vehicle battery system management program in vehicle complete vehicle control system.
4. electric vehicle battery system drawing according to claim 1 recombinates control method, it is characterised in that the drawing Condition includes：
The output voltage of battery bag is more than or less than safe voltage scope, and the output current of battery bag is more than or less than safety Current range, the capacity of battery bag is more than or less than safe capacity scope, and battery bag is to the insulaion resistance on vehicle body ground less than peace Full resistance, the temperature of battery bag is more than or less than safe temperature range.
5. electric vehicle battery system drawing according to claim 2 recombinates control method, it is characterised in that the increasing journey Pattern jumps out condition, including：
Electric vehicle battery system recovers to drawing the state before recombinating.
CN201611067607.7A 2016-11-29 2016-11-29 A kind of electric vehicle battery system drawing recombination control method Active CN106828138B (en)

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CN111376694A (en) * 2018-12-11 2020-07-07 重庆峘能电动车科技有限公司 Battery discarding system and method and electric automobile
CN113771694A (en) * 2021-09-09 2021-12-10 东风汽车集团股份有限公司 Electric automobile and control method, device, equipment and medium thereof

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Denomination of invention: Box stripping and recombination control method for electric vehicle battery system

Effective date of registration: 20190513

Granted publication date: 20190215

Pledgee: Suzhou Trust Co., Ltd.

Pledgor: BEIJING CHANGCHENG HUAGUAN AUTOMOBILE TECHNOLOGY CO., LTD.

Registration number: 2019990000418