CN106646242B - Battery pack collection device, battery pack and semi-finished product of collection device - Google Patents
Battery pack collection device, battery pack and semi-finished product of collection device Download PDFInfo
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- CN106646242B CN106646242B CN201610824075.0A CN201610824075A CN106646242B CN 106646242 B CN106646242 B CN 106646242B CN 201610824075 A CN201610824075 A CN 201610824075A CN 106646242 B CN106646242 B CN 106646242B
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- 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
- H01M50/50—Current conducting connections for cells or 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
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to the technical field of battery structures, in particular to a battery pack collection device, a battery pack and a semi-finished product of the collection device, wherein the collection device comprises a battery management unit, a wiring harness board and at least one bus connection terminal, the bus connection terminal is arranged on the wiring harness board, the collection device also comprises a temperature collection device fixed on the battery management unit, the bus connection terminal comprises a body board and a voltage collection leading-out end, the at least one bus connection terminal also comprises a temperature collection leading-out end, and the wiring harness board is provided with a first through hole and a second through hole; the body plate is used for being connected with the battery cell pole, the voltage acquisition leading-out end is fixedly connected with the body plate, and the voltage acquisition leading-out end penetrates through the first through hole and is fixed with the battery management unit; the temperature acquisition leading-out end is fixed on the body plate, passes through the second through hole and acts with the temperature acquisition device. The acquisition device has higher acquisition precision.
Description
Technical field
This application involves battery structure technical field more particularly to a kind of acquisition devices of battery pack, battery pack and acquisition
The semi-finished product of device.
Background technique
As environmental protection problem constantly receives more and more attention, it is each to have become each row using electric energy as the energy
The energy resource supply mode preferentially used in industry.Battery pack is relatively common power device, normal work of the structure to equipment
Vital influence will be generated.
In traditional technology, in order to monitor the working condition of battery pack, need that acquisition device is arranged in battery pack, the acquisition
Device determines whether the working condition of battery pack is normal for acquiring the parameters such as the voltage of battery pack with this.This acquisition device one
As comprising harness plate, bus connection terminal, sampling line and battery management unit, the bus connection terminal being installed on the harness plate
It is electrically connected by sampling line with battery management unit, to transmit the voltage signal of battery.
However, above-mentioned acquisition device needs to be connected by sampling line with battery management unit, since sampling line itself has
Certain impedance, the impedance will have a negative impact to the transmission of the signal of acquisition device, lead to the acquisition precision ratio of acquisition device
It is lower.
Summary of the invention
This application provides the semi-finished product of a kind of acquisition device of battery pack, battery pack and acquisition device, to improve battery
The acquisition precision of packet.
The first aspect of the application provides a kind of acquisition device of battery pack comprising battery management unit, harness plate
With at least one bus connection terminal, it further includes being fixed on the electricity that the bus connection terminal, which is installed on the harness plate,
Temperature acquisition device in the administrative unit of pond, the bus connection terminal include entity plate and voltage acquisition exit, at least one
A bus connection terminal further includes temperature acquisition exit, and the first through hole and second is opened up on the harness plate and is passed through
Hole；
For being connected with battery core pole, the voltage acquisition exit is fixedly connected the entity plate with the entity plate,
The voltage acquisition exit passes through first through hole, and mutually fixes with the battery management unit；
The temperature acquisition exit is fixed on the entity plate, and it is logical that the temperature acquisition exit passes through described second
Via hole, and with the temperature acquisition device phase separation.
Preferably, the bus connection terminal further includes connection plate, and the entity plate is plate, the entity plate and institute
It is in the same plane to state connection plate, and the voltage acquisition exit is solid by the connection plate and the entity plate
It is fixed.
Preferably, the temperature acquisition exit includes interconnecting piece and sticking part, and the interconnecting piece is connected to the ontology
Between plate and the sticking part, there is binding face on the sticking part, the binding face fits with the temperature acquisition device.
Preferably, the binding face is protruded relative to the surface of the harness plate.
Preferably, the bus connection terminal at least two is formed between the bus connection terminal of adjacent two
Installation space, the voltage acquisition exit and the temperature acquisition exit are respectively positioned on except the installation space.
Preferably, the entity plate is wholely set with the harness plate, and is formed on the entity plate relative to the line
The exposed exposed face of beam plate.
Preferably, the exposed face is recessed relative to the harness plate.
The second aspect of the application provides a kind of battery pack comprising acquisition device described in any of the above embodiments.
The third aspect of the application provides a kind of semi-finished product of acquisition device comprising battery management unit, harness plate
With at least two bus connection terminals, it further includes being fixed on the electricity that the bus connection terminal, which is installed on the harness plate,
Temperature acquisition device in the administrative unit of pond and the material strip mutually fixed with multiple bus connection terminals simultaneously, the bus connecting pin
Attached bag includes entity plate and voltage acquisition exit, at least one described bus connection terminal further includes temperature acquisition exit, institute
It states and opens up the first through hole and the second through hole on harness plate；
For being connected with battery core pole, the voltage acquisition exit is fixedly connected the entity plate with the entity plate,
The voltage acquisition exit passes through first through hole, and mutually fixes with the battery management unit；
The temperature acquisition exit is fixed on the entity plate, and it is logical that the temperature acquisition exit passes through described second
Via hole, and with the temperature acquisition device phase separation.
Preferably, the edge of the entity plate opens up through slot, and the material strip is connected at the through slot.
Preferably, the edge of the opposite sides of the entity plate opens up the through slot.
Preferably, location hole is opened up on the material strip, the location hole is used for and assembles the harness plate and the bus
The mold location fit of connection terminal.
Technical solution provided by the present application can achieve it is following the utility model has the advantages that
In acquisition device provided herein, bus connection terminal includes entity plate and voltage acquisition exit, the electricity
Pressure acquisition exit is directly mutually fixed with battery management unit after passing through harness plate, also just without total by sampling line connection
Line connection terminal and battery management unit.So the acquisition device eliminates sampling line, the impedance influences of sampling line are avoided with this
The signal of acquisition device transmits, to improve the acquisition precision of acquisition device.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
Application.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of acquisition device provided by the embodiment of the present application；
Fig. 2 is the installation diagram of harness plate and bus connection terminal provided by the embodiment of the present application；
Fig. 3 is the structural schematic diagram of bus connection terminal provided by the embodiment of the present application；
Fig. 4 is the structural schematic diagram of battery management unit and temperature acquisition device provided by the embodiment of the present application；
Fig. 5 is the structural schematic diagram of the semi-finished product of acquisition device provided by the embodiment of the present application；
Fig. 6 is the relative position schematic diagram provided by the embodiment of the present application between two rows bus connection terminal and material strip；
Fig. 7 is the structural schematic diagram of bus connection terminal and material strip provided by the embodiment of the present application；
Fig. 8 is another structural schematic diagram of bus connection terminal and material strip provided by the embodiment of the present application.
Appended drawing reference:
10- battery management unit；
20- harness plate；
30- temperature acquisition device；
40- bus connection terminal；
400- entity plate；
400a- through slot；
401- voltage acquisition exit；
402- temperature acquisition exit；
402a- interconnecting piece；
402b- sticking part；
403- connection plate；
50- material strip；
500- band-like portions；
501- link block；
502- location hole.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Specific embodiment
The application is described in further detail below by specific embodiment and in conjunction with attached drawing.
As shown in Figs 1-4, the embodiment of the present application provides a kind of acquisition device of battery pack, including battery management unit
10, harness plate 20, temperature acquisition device 30 and at least one bus connection terminal 40.Battery management unit 10 can use plate
Structure, harness plate 20 are used for installation bus connection terminal 40, open up the first through hole and the second through hole on the harness plate 20, and
Bus connection terminal 40 with battery core pole then for being in contact, in order to which the parameter signal on battery core pole can be transferred to bus
On connection terminal 40.Several rows of stomata is arranged in the intermediate of harness plate 20, these gas vents are opposite with battery core explosion-proof valve, and battery core is explosion-proof
When valve is opened, gas can be discharged through the exhausting-gas hole, and directly impacted on harness plate 20 and harness plate 20 and pacified to prevent high pressure gas
The structure of dress, and the structure installed on harness plate 20 and harness plate 20 is caused to be damaged.
Bus connection terminal 40 includes entity plate 400 and voltage acquisition exit 401, and entity plate 400 is used for and battery core pole
Column is connected, and voltage acquisition exit 401 is fixedly connected with entity plate 400, and voltage acquisition exit 401 passes through on harness plate 20
The first through hole, and fixed with 10 phase of battery management unit.Optionally, voltage acquisition exit 401 can be with entity plate 400 1
Body processing, can weld with battery management unit 10.Since voltage acquisition exit 401 and battery management unit 10 are using perforation
Wave-soldering, therefore can be preferably copper by the manufacture material of voltage acquisition exit 401；Entity plate 400 can be used with battery core pole
Laser Welding, therefore can be preferably aluminium by the manufacture material of entity plate 400.
Aforementioned temperature sampler 30 is fixed on battery management unit 10, and patch NTC (Negative specifically can be used
Temperature Coefficient, negative temperature coefficient) thermal resistor is as temperature acquisition device 30.Accordingly, at least one
A bus connection terminal 40 further includes temperature acquisition exit 402, which is fixed on entity plate 400,
Temperature acquisition exit 402 pass through harness plate 20 on the second through hole, and with 30 phase separation of temperature acquisition device.Specifically,
Temperature acquisition exit 402 can be integrally formed with entity plate 400；Temperature acquisition device 30 and temperature acquisition exit 402 it
Between can be by contact type structure or contactless structure phase separation, to realize the temperature acquisition of battery pack.In concrete scheme, if
The quantity of bus connection terminal 40 be it is multiple, then can only in partial bus connection terminal 40 be arranged temperature acquisition exit
402。
When acquisition device provided by the present application works, battery management unit 10 can pass through voltage acquisition exit 401 and temperature
Degree acquisition exit 402 acquires the voltage signal and temperature signal of battery pack, whether just to judge the working condition of battery pack with this
Often, or carry out other forms control.The voltage acquisition exit 401 pass through harness plate 20 after directly with battery management unit 10
It is mutually fixed, also just without connecting bus connection terminal 40 and battery management unit 10 by sampling line.So the acquisition fills
The sampling line eliminated for connecting with bus connection terminal 40 is set, with the letter of this impedance influences acquisition device for avoiding sampling line
Number transmission, to improve the acquisition precision of acquisition device.Similarly, temperature acquisition exit 402 is also straight after harness plate 20
It connects and is fixed with 10 phase of battery management unit, it is therefore desirable to is same without total by sampling line connection when acquiring the temperature of battery pack
Line connection terminal 40 and battery management unit 10 strengthen foregoing advantages to realize temperature acquisition with this.
Further, bus connection terminal 40 further includes connection plate 403, and entity plate 400 may be configured as plate, entity plate
400 with to connect plate 403 in the same plane, and voltage acquisition exit 401 passes through connection plate 403 and entity plate 400
It is fixed.Connection plate 403 can pull open a certain distance between voltage acquisition exit 401 and entity plate 400, more preferable with this
Ground guarantee voltage acquisition exit 401 position, in order to voltage acquisition exit 401 more easily with battery management unit 10
It is fixed.Specifically, which can protrude along the extended surface of entity plate 400 relative to entity plate 400.
To allow acquisition device to acquire the parameter of multiple batteries in battery pack simultaneously, bus connection terminal 40 can be set
At least two are set to, the pole of each bus connection terminal 40 and each battery connects one to one.Under such structure, adjacent two
Installation space will be formed between bus connection terminal 40, if voltage acquisition exit 401 and the equal position of temperature acquisition exit 402
In in the installation space, that is to say, that voltage acquisition exit 401 and temperature acquisition exit 402 are all set in adjacent two
Between bus connection terminal 40, then voltage acquisition exit 401 and temperature acquisition exit 402 will occupy above-mentioned installation space
A part, and in order to prevent voltage acquisition exit 401 and temperature acquisition exit 402 simultaneously with two bus connection terminals
40 are connected it is necessary to suitably expand installation space, this results in entire acquisition device the space occupied to increase with it, and is unfavorable for battery
The arrangement of structure in wrapping.Accordingly, voltage acquisition exit 401 and temperature acquisition exit 402 can be all set in aforementioned installation
Except space, i.e., the setting position of voltage acquisition exit 401 and temperature acquisition exit 402 is to the size of aforementioned installation space
It does not have an impact.
It is previously mentioned, it by contact type structure or non-can be connect between temperature acquisition device 30 and temperature acquisition exit 402
Touch structure phase separation, for this two ways, the preferred contact type structure of the embodiment of the present application, this is because contact type structure
Acquisition precision is relatively higher.Based on this, temperature acquisition exit 402 may include interconnecting piece 402a and sticking part 402b, this connection
Portion 402a is connected between entity plate 400 and sticking part 402b, has binding face on sticking part 402b, which adopts with temperature
Collection device 30 fits.Since temperature acquisition exit 402 needs the second through hole on harness plate 20, interconnecting piece
402a can be the inclined plate protruded relative to entity plate 400, so that after sticking part 402b is connected with interconnecting piece 402a, sticking part
402b integrally will protrude above entity plate 400, and then be housed inside in aforementioned second through hole.
After sticking part 402b is housed inside in aforementioned second through hole, the binding face of sticking part 402b can be with harness
The surface flush of plate 20, but temperature sampler 30 draws with temperature acquisition when such structure is unfavorable for installing acquisition device
Relative position between outlet 402.For this purpose, can be arranged as follows: sticking part 402b is housed inside in aforementioned second through hole
After, the binding face of sticking part 402b is protruded relative to the surface of harness plate 20.When installing acquisition device, sticking part 402b can be with
Easily seen by operator, so temperature sampler 30 and temperature acquisition exit 402 whether no-float.
In a kind of embodiment, entity plate 400 can be wholely set with harness plate 20, and formed on entity plate 400 relative to
The exposed exposed face of harness plate 20.It can specifically be integrally machined entity plate 400 and harness plate 20 by way of insert injection moulding, process
After the completion, the exposed face of entity plate 400 is exposed relative to harness plate 20, to guarantee that the entity plate 400 can with battery core pole
It is connected by ground, and the rest part of entity plate 400 is then embedded in harness plate 20.Specifically, the exposed face of entity plate 400 relative to
The recess certain distance of harness plate 20, makes harness plate 20 cover entity plate 400, prevents entity plate 400 by injection molding effect of contraction, causes
Entity plate 400 tilts and influences integral planar degree.In addition, single entity plate 400 is divided by the strip structure on harness plate 20
Two parts enable plastic cement to cover to the exposed face of entity plate 400, to prevent the tilting of entity plate 400, while controlling entity plate
400 exposed area reduces the risk that entity plate 400 is adhered to by foreign matter, prevents short circuit with this.Due to entity plate 400 and harness
Plate 20 is wholely set, therefore entity plate 400 will play booster action to the structural strength of harness plate 20.Especially when temperature acquisition draws
When outlet 402 may include interconnecting piece 402a and sticking part 402b, entity plate 400, interconnecting piece 402a can improve harness plate 20
Structural strength.In addition, the opposite sides of harness plate 20 can be wholely set multiple bus connection terminals 40, so that harness plate 20
Structural strength is higher.In addition, this structure can also simplify the structure of harness plate 20.
Battery pack provided by the embodiments of the present application includes acquisition device described in any of the above-described technical solution.
As viewed in figures 5-8, the embodiment of the present application also provides a kind of semi-finished product of acquisition device, and the acquisition device is as aforementioned
Battery pack acquisition device.This semi-finished product is the structure generated when acquisition device does not complete the process completely comprising cell tube
Unit, harness plate 20, temperature acquisition device and at least two bus connection terminals 40 are managed, before the structure of this three specifically refers to
Content described in text, it may be assumed that
Bus connection terminal 40 is installed on harness plate 20, and bus connection terminal 40 includes entity plate 400 and voltage acquisition
Exit 401, at least one bus connection terminal 40 further include temperature acquisition exit 402, and it is logical that first is opened up on harness plate 20
Via hole and the second through hole；
Entity plate 400 with battery core pole for being connected, and voltage acquisition exit 401 is fixedly connected with entity plate 400, voltage
It acquires exit 401 and passes through the first through hole, and mutually fixed with battery management unit；
Temperature acquisition exit 402 is fixed on entity plate 400, and temperature acquisition exit 402 passes through the second through hole, and
With temperature acquisition device phase separation, which is fixed on battery management unit.
Other than above-mentioned improvement content, semi-finished product provided by the present application further include simultaneously with multiple bus connection terminals 40
Mutually fixed material strip 50, which is formed in the machining process of bus connection terminal 40, for example, by using Sheet Metal Forming Technology
Bus connection terminal 40 is processed, then goes out the material strip 50 simultaneously in punching course.Then, when needing bus connection terminal 40
When being installed on harness plate 20, so that it may by the material strip 50 while mobile each bus connection terminal 40, and simultaneously by each bus
Connection terminal 40 is on harness plate 20.Obviously, the processing efficiency of acquisition device can be improved in this material strip 50；Meanwhile the material strip
50 can guarantee staggered relatively between each bus connection terminal 40, guarantee the installation site of each bus connection terminal 40 more with this
Accurately, without wrongly installed situation.
It should be noted that can will expect after above-mentioned semi-finished product provided by the embodiments of the present application and harness plate 20 are installed
Band 50 is cut off, and aforementioned acquisition device provided by the embodiments of the present application is formed after excision material strip 50, therefore aforementioned acquisition fills
The various structures improvement set can be applied on the semi-finished product.
Specifically, with reference to Fig. 8, above-mentioned material strip 50 may include band-like portions 500 and multiple link blocks 501, multiple link blocks
501 connect each bus connection terminal 40 one by one, so that band-like portions 500 pass through multiple link blocks 501 and each bus connecting pin
Son 40 is connected.It, can be in the edge of entity plate 400 for the ease of separating material strip 50 with entity plate 400 during following process
Through slot 400a is opened up, and material strip 50 is then connected at through slot 400a.Through slot 400a can penetrate through the phase of entity plate 400
Adjacent two faces, effect are to reduce the structural strength of its position, are then even fractureed by hand convenient for cutting off material strip 50.
Optionally, above-mentioned through slot 400a can be selected as square slot, skewed slot etc..
Above-mentioned through slot 400a can only be provided with the side of entity plate 400, but in order to further weaken entity plate 400 with
The intensity of the junction of material strip 50 can open up through slot 400a in the edge of the opposite sides of entity plate 400.In addition,
Inclined-plane is set at the position that can also be connected on link block 501 with entity plate 400, so that link block 501 and entity plate 400
Junction have lower structural strength.
Preferably, location hole 502 can be also opened up on material strip 50, which is used for and assembly harness plate 20 and bus
The mold location fit of connection terminal 40.Mold herein can be stamping die, be also possible to injection mold or other molds.
When bus connection terminal 40 is placed into above-mentioned mold, location hole 502 can be put into operation for this and provide positioning, so as to improve
The position precision of bus connection terminal 40 in a mold.Further, which can be multiple, each location hole 502
It is spaced apart along the extending direction of material strip 50.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of acquisition device of battery pack, including battery management unit, harness plate and at least one bus connection terminal, described
Bus connection terminal is installed on the harness plate, which is characterized in that further includes the temperature being fixed on the battery management unit
Sampler is spent, the bus connection terminal includes entity plate and voltage acquisition exit, at least one described bus connecting pin
Son further includes temperature acquisition exit, opens up the first through hole and the second through hole on the harness plate；
For being connected with battery core pole, the voltage acquisition exit is fixedly connected the entity plate with the entity plate, described
Voltage acquisition exit passes through first through hole, and mutually fixes with the battery management unit；
The temperature acquisition exit is fixed on the entity plate, and the temperature acquisition exit passes through described second and passes through
Hole, and with the temperature acquisition device phase separation；
The entity plate is wholely set with the harness plate, and is formed on the entity plate relative to exposed outer of the harness plate
Show up, the exposed face is recessed relative to the harness plate, and the rest part of the entity plate is embedded in the harness plate.
2. acquisition device according to claim 1, which is characterized in that the bus connection terminal further includes connection plate,
The entity plate is plate, and the entity plate and the connection plate are in the same plane, and the voltage acquisition exit
It is fixed by the connection plate with the entity plate.
3. acquisition device according to claim 1, which is characterized in that the temperature acquisition exit includes interconnecting piece and patch
Conjunction portion, the interconnecting piece are connected between the entity plate and the sticking part, have binding face, the patch on the sticking part
Conjunction face fits with the temperature acquisition device.
4. acquisition device according to claim 3, which is characterized in that surface of the binding face relative to the harness plate
Protrusion.
5. acquisition device according to claim 1, which is characterized in that the bus connection terminal at least two is adjacent
Two bus connection terminals between form installation space, the voltage acquisition exit and the temperature acquisition exit
It is respectively positioned on except the installation space.
6. a kind of battery pack, which is characterized in that including acquisition device of any of claims 1-5.
7. a kind of semi-finished product of acquisition device, including battery management unit, harness plate and at least two bus connection terminals, described
Bus connection terminal is installed on the harness plate, which is characterized in that further includes the temperature being fixed on the battery management unit
Degree sampler and the material strip mutually fixed with multiple bus connection terminals simultaneously, the bus connection terminal includes entity plate and electricity
Pressure acquisition exit, at least one described bus connection terminal further includes temperature acquisition exit, and the is opened up on the harness plate
One through hole and the second through hole；
For being connected with battery core pole, the voltage acquisition exit is fixedly connected the entity plate with the entity plate, described
Voltage acquisition exit passes through first through hole, and mutually fixes with the battery management unit；
The temperature acquisition exit is fixed on the entity plate, and the temperature acquisition exit passes through described second and passes through
Hole, and with the temperature acquisition device phase separation；
The entity plate is wholely set with the harness plate, and is formed on the entity plate relative to exposed outer of the harness plate
Show up, the exposed face is recessed relative to the harness plate, and the rest part of the entity plate is embedded in the harness plate.
8. semi-finished product according to claim 7, which is characterized in that the edge of the entity plate opens up through slot, described
Material strip is connected at the through slot.
9. semi-finished product according to claim 8, which is characterized in that the edge of the opposite sides of the entity plate opens up
The through slot.
10. the semi-finished product according to any one of claim 7-9, which is characterized in that open up location hole, institute on the material strip
Location hole is stated for the mold location fit with assembly the harness plate and the bus connection terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610824075.0A CN106646242B (en) | 2016-09-14 | 2016-09-14 | Battery pack collection device, battery pack and semi-finished product of collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610824075.0A CN106646242B (en) | 2016-09-14 | 2016-09-14 | Battery pack collection device, battery pack and semi-finished product of collection device |
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| CN106646242A CN106646242A (en) | 2017-05-10 |
| CN106646242B true CN106646242B (en) | 2019-09-06 |
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| CN111354987B (en) | 2018-12-23 | 2021-05-11 | 宁德时代新能源科技股份有限公司 | Battery module |
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| CN203746993U (en) * | 2013-12-31 | 2014-07-30 | 上海比亚迪有限公司 | Signal acquisition component and power battery module with same |
| CN104377333A (en) * | 2013-12-31 | 2015-02-25 | 比亚迪股份有限公司 | Signal acquisition and power connection component, power battery module and automobile |
| WO2016033479A9 (en) * | 2014-08-29 | 2016-05-06 | The Regents Of The University Of Michigan | Bulk force in a battery pack and its application to state of charge estimation |
| CN204666702U (en) * | 2015-04-09 | 2015-09-23 | 捷星新能源科技（苏州）有限公司 | The voltage temperature collection device of lithium battery group |
| CN205282602U (en) * | 2015-12-26 | 2016-06-01 | 惠州市蓝微新源技术有限公司 | Information acquisition device of batteries of electric vehicle module |
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