CN108336275A - Pure electric vehicle passenger car battery pack and electric vehicle - Google Patents
Pure electric vehicle passenger car battery pack and electric vehicle Download PDFInfo
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- CN108336275A CN108336275A CN201810341577.7A CN201810341577A CN108336275A CN 108336275 A CN108336275 A CN 108336275A CN 201810341577 A CN201810341577 A CN 201810341577A CN 108336275 A CN108336275 A CN 108336275A
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- weldment
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- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 210000001624 hip Anatomy 0.000 description 22
- 238000010586 diagram Methods 0.000 description 12
- 239000000306 component Substances 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000008358 core component Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present embodiments relate to new energy field of batteries, in particular to a kind of pure electric vehicle passenger car battery pack and electric vehicle.The pure electric vehicle passenger car battery pack includes:Shell, battery modules, first fixation kit, second fixation kit, weldment, sealing ring, upper cover, multiple first connectors and multiple second connectors, weldment is set to shell, battery modules, first fixation kit and the second fixation kit are set to weldment, first fixation kit and the second fixation kit are set to battery modules, the first connector of part is connected between the first fixation kit and battery modules, remaining first connector is connected between the second fixation kit and battery modules, the second connector of part is connected between the first fixation kit and weldment, remaining second connector is connected between the second fixation kit and weldment, sealing ring is arranged and shell, upper cover is fastened on shell.The pure electric vehicle passenger car can improve stability when battery modules are fixed with battery pack.
Description
Technical field
The present embodiments relate to new energy field of batteries, in particular to a kind of pure electric vehicle passenger car battery pack and
Electric vehicle.
Background technology
Power battery pack is the important component of new energy electric motor vehicle, and the reliable and stable of power battery pack uses directly pass
It is the motor performance, cruising ability and vehicle safe operation etc. to new energy electric motor vehicle.Battery modules are as power electric
The core component of Chi Bao, structural stability can influence the overall stability of power battery pack.Existing most battery modules
Fixed form, which is difficult to realize power battery pack, needs stability to be achieved.
Invention content
In view of this, the present invention provides a kind of pure electric vehicle passenger car battery pack and electric vehicle, battery modules can be improved
Stability when being fixed with battery pack, and then improve the stability of entire battery pack.
To achieve the above object, an embodiment of the present invention provides a kind of pure electric vehicle passenger car battery packs, including:Shell, electricity
Pond module, the first fixation kit, the second fixation kit, weldment, sealing ring, upper cover, multiple first connectors and multiple second
Connector;
The shell includes the holding tank for being provided with opening, and the weldment is adapted with the size of the holding tank, institute
Weldment is stated to be set in the holding tank and be fixedly connected with the bottom wall of the shell;
First fixation kit is corresponding with the multiple fixed metal plates of side for being set to the battery modules, part institute
The one end for stating the first connector sequentially passes through first fixation kit and each fixed metal plate, remaining described first connector
One end sequentially pass through a side of second fixation kit and the battery modules;Wherein, the side be provided with and its
The corresponding through-hole of remaining first connector;
The battery modules are set to the weldment far from the bottom wall side, and first fixation kit is far from described
The part of side and the part of second fixation kit far from the side are corresponding with the edge of the weldment respectively, portion
The edge for dividing one end of second connector to sequentially pass through first fixation kit and the weldment, remaining described second
One end of connector sequentially passes through the edge of first fixing piece and the weldment;
The sealing ring is set to the edge of the opening, and the upper cover is fastened on the sealing ring far from the opening
Position.
Optionally, the battery modules are rectangular parallelepiped structure, and first fixation kit includes two the first fixed plates;
Two first fixed plates fit in the first side and second side of the battery modules respectively, and described first
Side and the second side are opposite;
Each first fixed plate be set to the first side and the fixation metal plate of the second side is corresponding, portion
One end of point first connector sequentially passes through each first fixed plate and corresponding with each first fixed plate
Each fixed metal plate.
Optionally, the fixed metal plate is provided with mounting hole, and first fixed plate includes the first module fixed plate and the
One weldment fixed plate, the first module fixed plate is orthogonal with the first weldment fixed plate and is integrally formed;
There are one location hole and multiple waist holes for the first module fixed plate setting;
Part first connector includes a location hole connector and multiple waist hole connectors, the waist hole connector
Quantity it is identical as the quantity of the waist hole;
It is described when each fixed metal plate fitting corresponding with the first module fixed plate of each first module fixed plate
Location hole and each waist hole are corresponding with each mounting hole respectively;
The location hole connector sequentially passes through the location hole and mounting hole corresponding with the location hole, each waist
Hole connector sequentially passes through each waist hole and mounting hole corresponding with each waist hole.
Optionally, second fixation kit includes two the second fixed plates;
Second fixed plate includes the second module fixed plate and the second weldment fixed plate, the second module fixed plate
It is orthogonal with the second weldment fixed plate and be integrally formed;
Each second fixed plate is bonded with the third side of the battery modules, and the third side is provided with and remaining
The corresponding through-hole of first connector;
One end of remaining first connector sequentially passes through second fixed plate and each through-hole.
Optionally, each first weldment fixed plate is provided with multiple weldments with each second weldment fixed plate
Mounting hole;
When the battery modules are set to side of the weldment far from the bottom wall, each first weldment is solid
Fixed board is bonded with the edge of the weldment with each second weldment fixed plate;
One end of part second connector sequentially passes through each weldment for being set to the first weldment fixed plate
The edge of mounting hole and the weldment, one end of remaining second connector, which sequentially passes through, is set to second weldment
The edge of each the weldment mounting hole and the weldment of fixed plate.
Optionally, the weldment is welded plate;The edge of the welded plate is provided with multiple placement holes;The placement hole
Quantity it is identical as the quantity of weldment mounting hole;
The welded plate is welded in the bottom wall;
When the battery modules are set to side of the weldment far from the bottom wall, each weldment mounting hole
It is corresponding with each placement hole;
One end of part second connector sequentially passes through each weldment for being set to the first weldment fixed plate
Mounting hole and corresponding placement hole, one end of remaining second connector, which sequentially passes through, to be set to second weldment and fixes
Each weldment mounting hole of plate and corresponding placement hole.
Optionally, first connector and second connector are bolt.
Optionally, the pure electric vehicle passenger car battery pack further includes power cut-off device and cell managing device;The shell
Body offers trickle charge interface, positive output interface, cathode output interface and communication interface;
The power cut-off device is set to the position close to second fixation kit, the power supply in the holding tank
Disconnecting device is electrically connected with the battery modules, and the power cut-off device is electrically connected with the trickle charge interface, the electricity
Pond module is electrically connected with the positive output interface, and the battery modules are electrically connected with the cathode output interface;
The cell managing device is set to the position far from the power cut-off device, the battery in the holding tank
Managing device is opposite with the power cut-off device;The cell managing device is electrically connected with the battery modules, the electricity
Pond managing device is electrically connected with the communication interface.
Optionally, the pure electric vehicle passenger car battery pack further includes safety device;
The safety device is set to the holding tank close to the position of the electric power controller, the safety device with
The battery modules are electrically connected.
The embodiment of the present invention additionally provides a kind of electric vehicle, including:Above-mentioned pure electric vehicle passenger car battery pack;Wherein, pure electricity
Dynamic passenger car battery pack is set in the electric vehicle.
Pure electric vehicle passenger car battery pack provided in an embodiment of the present invention and electric vehicle, the first connector of part are fixed first
Component is fixed with the multiple fixed sheet metals for being fixed on battery modules side, improve the first fixation kit and battery modules it
Between structural stability, the side of the second fixation kit and battery modules is fixed the first connector of part, improves
The structural stability of two fixation kits and battery modules side simultaneously reduces the pressure on unit area, the first fixation kit, the
Two fixation kits are set to weldment, and realize detachable connection by the second connector, and then improve electricity on the whole
Pond module is installed on the structural stability in shell.
Further, the first fixation kit is provided with waist hole, the cooperation between the first connector, waist hole and fixed metal plate
It can realize the absorption to build-up tolerance, avoid the first connector depositing due to build-up tolerance when fixing the first fixation kit
It is not firm in the fixation brought, improve the structural stability of battery modules.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
A kind of structural schematic diagram for pure electric vehicle passenger car battery pack that Fig. 1 is provided by the embodiment of the present invention.
The structural schematic diagram for a kind of shell and weldment that Fig. 2 is provided by the embodiment of the present invention.
A kind of structural schematic diagram for first fixation kit that Fig. 3 is provided by the embodiment of the present invention.
A kind of structural schematic diagram for second fixation kit that Fig. 4 is provided by the embodiment of the present invention.
A kind of structural schematic diagram for fixed metal plate that Fig. 5 is provided by the embodiment of the present invention.
A kind of partial schematic diagram for battery modules that Fig. 6 is provided by the embodiment of the present invention.
A kind of first visual angle schematic diagram of pure electric vehicle passenger car battery pack that Fig. 7 is provided by the embodiment of the present invention.
Icon:100- pure electric vehicle passenger car battery packs;1- shells;11- holding tanks;12- bottom walls;13- side walls;2- battery moulds
Group;24- fixes metal plate;241- mounting holes;The first fixation kits of 3-;31- the first module fixed plates;311- location holes;312- waists
Hole;32- the first weldment fixed plates;The second fixation kits of 4-;41- the second module fixed plates;42- the second weldment fixed plates;
5- weldments;51- placement holes;The first connectors of 6-;The second connectors of 7-;8- sealing rings;91- cell managing devices;92- power supplys
Disconnecting device;93- safety devices;941- trickle charge interfaces;942- anode output interfaces;943- cathode output interfaces;944- is communicated
Interface.
Specific implementation mode
Power battery pack is the important component of new energy electric motor vehicle, and the reliable and stable of power battery pack uses directly pass
It is the motor performance, cruising ability and vehicle safe operation etc. to new energy electric motor vehicle.Battery modules are as power electric
The core component of Chi Bao, structural stability can influence the overall stability of power battery pack.
Further investigation reveals that the fixed form of existing most of battery modules is by the way that battery modules are affixed directly to shell
In vivo, it is fixed not firm to may result in this way, and inventor has found through research and analysis, and it is main to generate this illusive reason
Be due to battery pack inside each parts there are build-up tolerance, each parts are being attached or solid using connector
When determining, it is difficult to eliminate the build-up tolerance, may leading to excessive compression or junction, there are gaps, and then lead to battery
Connection unstability between module and shell.
Defect present in the above scheme in the prior art, is that inventor is obtaining after putting into practice and carefully studying
As a result, therefore, the solution that the discovery procedure of the above problem and the hereinafter embodiment of the present invention are proposed regarding to the issue above
Scheme all should be the contribution that inventor makes the present invention in process of the present invention.
Based on the studies above, an embodiment of the present invention provides a kind of pure electric vehicle passenger car battery pack and electric vehicle, Neng Gouti
Stability when high battery modules are fixed with battery pack, and then improve the stability of entire battery pack.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment only
It is a part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings
The component of embodiment can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;Can be that machinery connects
It connects, can also be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
Fig. 1 shows a kind of structural schematic diagram for pure electric vehicle passenger car battery pack 100 that the embodiment of the present invention is provided, by
Figure is as it can be seen that the pure electric vehicle passenger car battery pack 100 includes shell 1, battery modules 2, the first fixation kit 3, the second fixation kit
4, weldment, sealing ring 8, upper cover (Fig. 1 kinds are not shown), multiple first connectors 6 and multiple second connectors (are hidden by shell 1
Firmly, it is not shown in Fig. 1).
Wherein, the first fixation kit 3 and the second fixation kit 4 are respectively arranged at battery modules 2, and are connect with multiple first
Part 6 and multiple second connectors are coordinated, and are realized between battery modules 2 and the first fixation kit 3 and the second fixation kit 4
Detachable connection.Further, weldment is set to shell, and battery modules 2 are set to position of the weldment far from shell,
Sealing ring 8 is set to the outer of shell 1, and upper cover is fastened with shell 1, to realize the closing to 1 inner components of shell.
As seen from Figure 1, the first fixation kit 3 and the second fixation kit 4 provided around battery modules 2 are entire
Play a part of to form a connecting link in battery pack, for example, the first fixation kit 3 and the second fixation kit 4 also pass through second with weldment
Connector detachable connection.So set, when battery modules 2 are set to weldment, the first fixation kit 3, second is fixed
Battery modules are carried out " encirclement " by component 4 and weldment, in such manner, it is possible to ensure battery modules 2 multiple angles stable structure
Property.It is appreciated that the burst mode of battery modules 2 is to be fixedly connected with realization with fixed metal plate by multiple solar panels, in order to more
It is fixed with battery modules well, the embodiment of the present invention is according to the structures of battery modules 2, to the first fixation kit 3 and second
The position that fixation kit 4 is connected to battery modules 2 is selected.
In order to which the effect of the first fixation kit 3 and the second fixation kit 4 is better described, the embodiment of the present invention is first right
Shell and weldment illustrate, referring to Fig. 2, the structure of a kind of shell and weldment that are provided by the embodiment of the present invention is shown
It is intended to, as seen from the figure, shell 1 includes the holding tank 11 for being provided with opening, and weldment 5 is adapted with the size of holding tank 11, is welded
Fitting 5 is set to holding tank 11 and is fixedly connected with the bottom wall of shell 1 12, wherein weldment 5 is welded in bottom wall 12.Side wall 13
Multiple electrical interfaces are opened up, for realizing the electrical functionality of battery pack, this part will be illustrated later.
It is appreciated that weldment 5 compared with battery modules are directly fixed on shell, is added for fixing battery modules
Weldment 5 can improve the structural stability of entire battery pack, for example, weldment 5 can slow down between battery modules and shell
Pressure, since electric vehicle will produce shake in the process of running, battery can be caused in the course of time if being not provided with weldment 5
Shock between module and shell, on the other hand, in order to ensure that other electrical devices can be set to shell, enclosure interior
Structure battery modules may be set to shell by force at this time, may be caused in structure with the structure matching of battery modules
" incompatible ".The shape and size of weldment 5 are adapted with shell 1, it will be understood that side of the weldment 5 far from shell 1 with
The structure of battery modules, the first fixation kit and the second fixation kit is adapted.
Please continue to refer to Fig. 2, weldment 5 is provided with multiple placement holes 51, these placement holes 51 are used for and the first fixation group
Part and the cooperation of the second fixation kit, one end of the second connector of part sequentially passes through the first fixation kit and corresponding placement hole
51, one end of remaining the second connector sequentially passes through the second fixation kit and corresponding placement hole 51, so set, can be indirectly
Battery modules are fixed on weldment 5, and (battery modules are bonded with weldment 5, the first fixation kit and the second fixation kit and electricity
Pond module detachable connection, the first fixation kit and the second fixation kit and 5 detachable connection of weldment).
Fig. 3 shows a kind of structural schematic diagram for first fixation kit 3 that the embodiment of the present invention is provided, as seen from the figure,
First fixation kit 3 includes two the first fixed plates, and the first fixed plate includes that the first module fixed plate 31 and the first weldment are solid
Fixed board 32, wherein the 32 orthogonal and integrated molding of the first module fixed plate 31 and the first weldment fixed plate, the first module are solid
The setting of fixed board 31 is there are one location hole 311 and multiple waist holes 312, wherein location hole 311 be used for be arranged in battery modules one
A fixed metal plate is positioned, and after accurate positioning, each waist hole 312 is bonded with other fixed metal plates in battery modules,
And it is connected by the first connector of part.It is appreciated that the first connector of part includes a location hole connector and multiple waists
Hole connector, the quantity of waist hole connector are identical as the quantity of waist hole.One end of location hole connector sequentially pass through location hole and
One end of fixed metal plate, each waist hole connector sequentially passes through waist hole and fixed metal plate.
It is worth noting that, being coordinated between waist hole and the first connector and fixed metal plate, build-up tolerance can be absorbed.
For example, the horizontal area of waist hole is more than the mounting hole of fixed metal plate setting, it can ensure that mounting hole is all exposed in waist hole, just
Mounting hole is completely passed through in the first connector, so set, the connection between the first fixation kit and battery modules can be improved
Fastness.
Please continue to refer to Fig. 3, the first weldment fixed plate 32 is provided with multiple weldment mounting holes 321, these weldments
Mounting hole 321 is coordinated with the placement hole 51 in Fig. 2, and is achieved a fixed connection by the second connector.
Correspondingly, Fig. 4 shows a kind of structural schematic diagram for second fixation kit that the embodiment of the present invention is provided, this
Two fixation kits 4 include two the second fixed plates, and the second fixed plate includes that the second module fixed plate 41 and the second weldment are fixed
Plate 42, due to connection type and structure and the first mould in Fig. 3 of the second module fixed plate 41 and the second weldment fixed plate 42
Group fixed plate 31 is similar with the first weldment fixed plate 32, therefore does not illustrate more herein.It should be noted that two second
Fixed plate fits in the third side of battery modules, and the third lateralarea of battery modules is larger, correspondingly, the second fixed plate with
The area of third side contact is also larger, it will be understood that the second module fixed plate 41 is fixed on the by remaining first connector
Three sides, it will be understood that third side is provided with through-hole corresponding with the first connector.
Fig. 5 shows a kind of structural schematic diagram for fixed metal plate that the embodiment of the present invention is provided, and as seen from the figure, this is fixed
Metal plate 24 offers mounting hole 241, and mounting hole 241 can coordinate with location hole and waist hole, and specific fit system please refers to Fig. 6.
As seen from Figure 6, after the first fixed plate and the second fixed plate are connect with battery modules, then pass through the weldering in second connector 7 and Fig. 2
Fitting 5 connects.Material is effectively saved under the premise of ensureing entire battery pack structure stability.
In the present embodiment, the first connector and the second connector are bolt.
Further, referring to Fig. 7, the first of a kind of pure electric vehicle passenger car battery pack provided by the embodiment of the present invention
Visual angle schematic diagram, as seen from the figure, the pure electric vehicle passenger car battery pack further include cell managing device 91,92 and of power cut-off device
The side wall of safety device 93, shell offers trickle charge interface 941, positive output interface 942, cathode output interface 943 and communication
Interface 944.
Wherein, power cut-off device 92 is set to the position close to the second fixation kit, power cut-off device in holding tank
92 are electrically connected with battery modules, and power cut-off device 92 is electrically connected with trickle charge interface 941, and battery modules connect with anode output
Mouth 942 is electrically connected, and battery modules are electrically connected with cathode output interface 943.Cell managing device 91 is set in holding tank
Position far from power cut-off device 92, cell managing device 91 is opposite with power cut-off device 92, cell managing device 91 with
Battery modules are electrically connected, and cell managing device 91 is electrically connected with communication interface 944.Safety device 93 is set to holding tank and leans on
The position of nearly electric power controller 91, safety device 91 are electrically connected with the battery modules.Battery pipe device 91, dump
Device 92 and safety device 93 can ensure the safe and reliable operation of battery pack, can cut off battery in time when there is abnormality
Power supply.
Based on above description, the embodiment of the present invention additionally provides a kind of electric vehicle, including above-mentioned pure electric vehicle passenger car battery
Packet, the pure electric vehicle passenger car battery pack are set in electric vehicle.
To sum up, the pure electric vehicle passenger car battery pack and electric vehicle, battery modules and battery pack that the embodiment of the present invention is provided
Structural stability it is strong, and then ensure the reliable use of entire battery pack.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of pure electric vehicle passenger car battery pack, which is characterized in that including:Shell, battery modules, the first fixation kit, second
Fixation kit, weldment, sealing ring, upper cover, multiple first connectors and multiple second connectors;
The shell includes the holding tank for being provided with opening, and the weldment is adapted with the size of the holding tank, the weldering
Fitting is set in the holding tank and is fixedly connected with the bottom wall of the shell;
First fixation kit is corresponding with the multiple fixed metal plates of side for being set to the battery modules, part described
One end of a connection piece sequentially passes through first fixation kit and each fixed metal plate, and the one of remaining first connector
End sequentially passes through a side of second fixation kit and the battery modules;Wherein, which is provided with and remaining institute
State the corresponding through-hole of the first connector;
The battery modules are set to the weldment far from the bottom wall side, and first fixation kit is far from the side
Part and the part of second fixation kit far from the side it is corresponding with the edge of the weldment respectively, part institute
The one end for stating the second connector sequentially passes through the edge of first fixation kit and the weldment, remaining described second connection
One end of part sequentially passes through the edge of first fixing piece and the weldment;
The sealing ring is set to the edge of the opening, and the upper cover is fastened on position of the sealing ring far from the opening
It sets.
2. pure electric vehicle passenger car battery pack according to claim 1, which is characterized in that the battery modules are cuboid knot
Structure, first fixation kit include two the first fixed plates;
Two first fixed plates fit in the first side and second side of the battery modules, the first side respectively
It is opposite with the second side;
Each first fixed plate be set to the first side and the fixation metal plate of the second side is corresponding, part institute
The one end for stating the first connector sequentially passes through each first fixed plate and corresponding each solid with each first fixed plate
Determine metal plate.
3. pure electric vehicle passenger car battery pack according to claim 2, which is characterized in that the fixed metal plate is provided with fixation
Hole, first fixed plate include the first module fixed plate and the first weldment fixed plate, the first module fixed plate and institute
State the first weldment fixed plate it is orthogonal and be integrally formed;
There are one location hole and multiple waist holes for the first module fixed plate setting;
Part first connector includes a location hole connector and multiple waist hole connectors, the number of the waist hole connector
Amount is identical as the quantity of the waist hole;
When each fixed metal plate fitting corresponding with the first module fixed plate of each first module fixed plate, the positioning
Hole and each waist hole are corresponding with each mounting hole respectively;
The location hole connector sequentially passes through the location hole and mounting hole corresponding with the location hole, and each waist hole connects
Fitting sequentially passes through each waist hole and mounting hole corresponding with each waist hole.
4. pure electric vehicle passenger car battery pack according to claim 3, which is characterized in that second fixation kit includes two
A second fixed plate;
Second fixed plate includes the second module fixed plate and the second weldment fixed plate, the second module fixed plate and institute
It is orthogonal and be integrally formed to state the second weldment fixed plate;
Each second fixed plate is bonded with the third side of the battery modules, the third side be provided with described in remaining
The corresponding through-hole of first connector;
One end of remaining first connector sequentially passes through second fixed plate and each through-hole.
5. pure electric vehicle passenger car battery pack according to claim 4, which is characterized in that each first weldment fixed plate
Each second weldment fixed plate is provided with multiple weldment mounting holes;
When the battery modules are set to side of the weldment far from the bottom wall, each first weldment fixed plate
It is bonded with the edge of the weldment with each second weldment fixed plate;
One end of part second connector, which sequentially passes through, to be set to each weldment of the first weldment fixed plate and fixes
The edge in hole and the weldment, one end of remaining second connector, which sequentially passes through, to be set to second weldment and fixes
The edge of each the weldment mounting hole and the weldment of plate.
6. pure electric vehicle passenger car battery pack according to claim 5, which is characterized in that the weldment is welded plate;Institute
The edge for stating welded plate is provided with multiple placement holes;The quantity of the placement hole is identical as the quantity of weldment mounting hole;
The welded plate is welded in the bottom wall;
When the battery modules are set to side of the weldment far from the bottom wall, each weldment mounting hole with it is each
The placement hole is corresponding;
One end of part second connector, which sequentially passes through, to be set to each weldment of the first weldment fixed plate and fixes
Hole and corresponding placement hole, one end of remaining second connector, which sequentially passes through, is set to the second weldment fixed plate
Each weldment mounting hole and corresponding placement hole.
7. pure electric vehicle passenger car battery pack according to claim 1, which is characterized in that first connector and described
Two connectors are bolt.
8. pure electric vehicle passenger car battery pack according to claim 1, which is characterized in that the pure electric vehicle passenger car battery pack
Further include power cut-off device and cell managing device;The shell offers trickle charge interface, positive output interface, cathode output
Interface and communication interface;
The power cut-off device is set to the position close to second fixation kit, the dump in the holding tank
Device is electrically connected with the battery modules, and the power cut-off device is electrically connected with the trickle charge interface, the battery mould
Group is electrically connected with the positive output interface, and the battery modules are electrically connected with the cathode output interface;
The cell managing device is set to the position far from the power cut-off device, the battery management in the holding tank
Device is opposite with the power cut-off device;The cell managing device is electrically connected with the battery modules, the cell tube
Device is managed to be electrically connected with the communication interface.
9. pure electric vehicle passenger car battery pack according to claim 8, which is characterized in that the pure electric vehicle passenger car battery pack
It further include safety device;
The safety device is set to the holding tank close to the position of the electric power controller, the safety device with it is described
Battery modules are electrically connected.
10. a kind of electric vehicle, which is characterized in that including:The claims 1-9 any one of them pure electric vehicle passenger car batteries
Packet;
Pure electric vehicle passenger car battery pack is set in the electric vehicle.
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CN201810341577.7A CN108336275B (en) | 2018-04-16 | 2018-04-16 | Battery pack of pure electric passenger car and electric car |
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CN201810341577.7A CN108336275B (en) | 2018-04-16 | 2018-04-16 | Battery pack of pure electric passenger car and electric car |
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CN108336275B CN108336275B (en) | 2024-01-23 |
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JP2011103259A (en) * | 2009-11-11 | 2011-05-26 | Sanyo Electric Co Ltd | Vehicular power unit and vehicle equipped with the same |
CN103066225A (en) * | 2013-01-24 | 2013-04-24 | 东风汽车公司 | Power battery pack assembly structure of all-electric vehicle |
CN104659308A (en) * | 2015-03-12 | 2015-05-27 | 重庆长安汽车股份有限公司 | Lower box body of battery pack |
CN105501041A (en) * | 2015-12-16 | 2016-04-20 | 安徽江淮汽车股份有限公司 | Power battery housing assembly for electric automobile |
WO2017117720A1 (en) * | 2016-01-05 | 2017-07-13 | 宁德时代新能源科技股份有限公司 | Battery module and battery pack |
CN206332086U (en) * | 2016-12-30 | 2017-07-14 | 芜湖天量电池***有限公司 | A kind of double-deck power battery box |
CN206461009U (en) * | 2017-02-21 | 2017-09-01 | 华霆(合肥)动力技术有限公司 | Battery modules fixture and battery modules |
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2018
- 2018-04-16 CN CN201810341577.7A patent/CN108336275B/en active Active
Patent Citations (7)
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JP2011103259A (en) * | 2009-11-11 | 2011-05-26 | Sanyo Electric Co Ltd | Vehicular power unit and vehicle equipped with the same |
CN103066225A (en) * | 2013-01-24 | 2013-04-24 | 东风汽车公司 | Power battery pack assembly structure of all-electric vehicle |
CN104659308A (en) * | 2015-03-12 | 2015-05-27 | 重庆长安汽车股份有限公司 | Lower box body of battery pack |
CN105501041A (en) * | 2015-12-16 | 2016-04-20 | 安徽江淮汽车股份有限公司 | Power battery housing assembly for electric automobile |
WO2017117720A1 (en) * | 2016-01-05 | 2017-07-13 | 宁德时代新能源科技股份有限公司 | Battery module and battery pack |
CN206332086U (en) * | 2016-12-30 | 2017-07-14 | 芜湖天量电池***有限公司 | A kind of double-deck power battery box |
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CN108336275B (en) | 2024-01-23 |
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