CN205355120U - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN205355120U CN205355120U CN201620149208.4U CN201620149208U CN205355120U CN 205355120 U CN205355120 U CN 205355120U CN 201620149208 U CN201620149208 U CN 201620149208U CN 205355120 U CN205355120 U CN 205355120U
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- China
- Prior art keywords
- battery core
- conductive structure
- assembly
- battery
- bms
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- 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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a battery pack, including two at least electric core unit, BMS control assembly and shells, two at least electric core units with BMS control assembly sets up in the shell, each electric core unit respectively with BMS control assembly electric connection, BMS control assembly is including protecting the casing and stretching out the conducting structure of protection casing, BMS control assembly's electronic component is sealed the protective housing is internal. The utility model provides a battery pack easily dispels the heat, moreover can be under the prerequisite that does not reduce battery pack security level, reduce the protection level of battery pack shell, and reduced the assembly degree of difficulty, improved production efficiency, simultaneously, the be convenient for change maintenance of battery pack later maintenance and electric core unit.
Description
[technical field]
This utility model relates to cell art, particularly relates to a kind of battery bag.
[background technology]
Electric vehicle is the vehicle driving wheels travel with rechargeable battery bag, and it enjoys the favor of medium or low-income stratum because of features such as inexpensive, convenient and environmental protection.Described rechargeable battery bag generally comprises battery core module, battery management system (BatteryManagementSystem, BMS) controls module and holds described battery core module and the casing of BMS control module.In order to ensure the safety of described battery core module, BMS control module, the body structure intensity being used for encapsulating described battery core module and BMS control module is very high, thus reaching to strengthen the purpose of degree of protection.
But, so causing that the heat that in described casing, battery core module produces cannot be discharged outside described casing smoothly, thus causing described case body temperature to raise, and then carrying out potential safety hazard to described rechargeable battery band.Secondly, formation is fixed by lead frame owing to battery modules has between multiple battery core monomer, whole battery core module size is unstable and weight is relatively larger, bring difficulty to the assembling of battery core module, BMS control module and casing, reduce efficiency of assembling, and be unfavorable for being individually replaced of battery core monomer, namely a battery core monomer damages and will cause that whole battery core module cannot use, therefore, being unfavorable for that maintainer changes rapidly battery core module, maintenance cost is higher.
[utility model content]
For the deficiencies in the prior art, this utility model solves the technical problem that and is to provide a kind of battery bag, and this battery bag is not only easy to heat radiation, and can under the premise not reducing battery bag safe class, reduce the degree of protection of battery pack case, reduce assembly difficulty, improve production efficiency；Simultaneously, it is simple to the repair and replacement of battery bag later maintenance and battery core monomer.
For solving above-mentioned technical problem, the technical solution of the utility model is achieved in that
A kind of battery bag, including: at least two battery core unit, BMS control assembly and shell；
Described at least two battery core unit and described BMS control assembly and are arranged in described shell；
Each battery core unit controls assembly with described BMS respectively and is electrically connected；
Described BMS controls assembly and includes protective housing and stretch out the conductive structure of described protective housing, and described BMS controls the electronic component of assembly and is sealed in described protective housing.
Further, each described battery core unit arranging conductive structure, the number of the conductive structure stretching out described protective housing is identical with the number of described battery core unit；
The conductive structure of each battery core unit is connected with the described BMS conductive structure controlling assembly respectively.
Further, described battery bag also includes at least two battery core housing；
A battery core unit and part printing board PCB is sealed in each electric core shell body；
Stretching out a conductive structure in each battery core housing, the conductive structure that the conductive structure stretched out in each battery core housing controls assembly with described BMS is connected.
Further, it is provided with heat-conducting glue in the protective housing of described BSM control assembly.
Further, described battery core housing is additionally provided with by the described PCB pressure transducer controlled；
Described pressure transducer is between the sidewall and described battery core housing of described battery core unit.
Further, described battery core housing is additionally provided with by the described PCB temperature sensor controlled；
Described temperature sensor is between the sidewall and described battery core housing of described battery core unit.
Further, it is also filled with heat-conducting glue in described electric core shell body.
Further, it is filled with heat-conducting glue between each battery core unit and described shell.
Further, the conductive structure of each battery core unit is electroconductive elastic sheet, and it is electroconductive elastic sheet that described BMS controls the conductive structure of assembly；The electroconductive elastic sheet that the electroconductive elastic sheet of each battery core unit controls assembly with described BMS is fixed by conducting bolt；Or,
The conductive structure of each battery core unit controls the conductive structure of assembly and utilizes male and female to dock Elecrical connector realization with described BMS；Or,
The conductive structure of each battery core unit controls elastic between the conductive structure of assembly abutting with described BMS.
Further, the conductive structure that each battery core housing stretches out is electroconductive elastic sheet, and it is electroconductive elastic sheet that described BMS controls the conductive structure of assembly；The electroconductive elastic sheet that the electroconductive elastic sheet that each battery core housing stretches out controls assembly with described BMS is fixed by conducting bolt；Or,
The conductive structure that each battery core housing stretches out controls the conductive structure of assembly and utilizes male and female to dock Elecrical connector realization with described BMS；Or,
The conductive structure that each battery core housing stretches out controls elastic between the conductive structure of assembly abutting with described BMS.
Further, a battery core unit can include at least one battery core monomer.
The beneficial effects of the utility model are:
Compared to prior art; battery bag provided by the utility model utilizes protective housing seal BMS and control assembly; so the degree of protection of the body structure of whole battery bag can be reduced; avoid owing to encapsulating described battery core module and very high caused the not easily heat dissipation problem of body structure intensity of BMS control module; therefore; the thered is provided battery bag of this utility model is prone to heat radiation; and can under the premise not reducing battery bag safe class; reduce the degree of protection of battery pack case; reduce assembly difficulty, improve production efficiency.
And, battery bag provided by the utility model no longer adopts battery modules, but adopts multiple battery core unit independently to assemble, therefore, it is possible to simplify battery core assembling process, improve efficiency of assembling, also allow for the maintenance of later stage battery bag, reduce maintenance cost, improve the efficiency changing battery core.
[accompanying drawing explanation]
In order to be illustrated more clearly that the technical solution of the utility model, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the exploded perspective view of battery bag provided by the utility model.
Fig. 2 is the exploded perspective view of battery core unit provided by the utility model.
Fig. 3 is the first connection diagram of conductive structure provided by the utility model.
Fig. 4 is the second connection diagram of conductive structure provided by the utility model.
Fig. 5 is the 3rd connection diagram of conductive structure provided by the utility model.
Accompanying drawing labelling:
100 battery bags
10 battery core unit
11 battery core monomers
12 conductive structures
20 BMS control assembly
201 protective housing
202 conductive structures
30 shells
13 battery core housings
131 lower houses
132 upper shells
14 fixtures
15 conducting bolts
16 male and female docking Elecrical connectors
161 male seats
162 female seats
17 elastic constructions
[detailed description of the invention]
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.The example of these preferred implementations has illustrated in the accompanying drawings.Shown in accompanying drawing and the embodiment of the present utility model that describes with reference to the accompanying drawings merely exemplary, and this utility model is not limited to these embodiments.
At this, it can further be stated that, in order to avoid having obscured this utility model because of unnecessary details, illustrate only in the accompanying drawings and the closely-related structure of scheme of the present utility model and/or process step, and eliminate other details little with this utility model relation.
Additionally, it can further be stated that, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment.
Refer to Fig. 1, it is the exploded perspective view of battery bag provided by the utility model, as it is shown in figure 1, this utility model battery bag 100 includes at least two battery core unit 10, BMS controls assembly 20 and shell 30.Wherein, described at least two battery core unit 10 and described BMS control assembly 20 are arranged in described shell 30.Each battery core unit 10 controls assembly 20 with described BMS respectively and is electrically connected；Described BMS controls assembly 20 and includes protective housing 201 and stretch out the conductive structure 202 of described protective housing 201, and described BMS controls the electronic component of assembly 20 and is sealed in described protective housing 201.
As it is shown in figure 1, can arrange conductive structure 12 on each described battery core unit 10, the number of the conductive structure 202 stretching out described protective housing 201 in described BMS control module 20 is identical with the number of described battery core unit 10；The conductive structure 12 of each battery core unit 10 is connected with the described BMS conductive structure 202 controlling assembly 20 respectively.
Or, refer to Fig. 2, it is the exploded perspective view of battery core unit provided by the utility model, as in figure 2 it is shown, described battery bag 100 can also include at least two battery core housing 13；A battery core unit 10 and part printing board PCB (not shown) can be sealed in each battery core housing 13；Stretching out a conductive structure 12 in each battery core housing 13, the conductive structure 202 that the conductive structure 12 stretched out in each battery core housing 13 controls assembly 20 with described BMS is connected.
As in figure 2 it is shown, described battery core housing 13 can include lower house 131 and the upper shell 132 matched with described lower house 131.
As it is shown in figure 1, described battery bag 100 can also include at least two battery core unit 10 is fixedly mounted on the fixture 14 in described shell 30.
As it is shown in figure 1, be filled with heat-conducting glue (not shown) between each battery core unit 10 and described shell 30, in order to increase area of dissipation, antihunt action can be played simultaneously.
In this utility model, a battery core unit 10 can include at least one battery core monomer 11, that is, can be a battery core monomer 11 in a battery core unit, it is also possible to be two or more battery core monomer 11 in parallel or in series together.
As it is shown in figure 1, can be provided with heat-conducting glue (not shown) in the described protective housing 201 of described BMS control assembly 20, this heat-conducting glue can play heat conduction and antihunt action.
In this utility model, being also provided with being subject to the described PCB pressure transducer (not shown) controlled in described battery core housing 13, described pressure transducer may be located between the sidewall of described battery core unit 10 and described battery core housing 13.
It addition, be also provided with in described battery core housing 13 being subject to the described PCB temperature sensor (not shown) controlled, described temperature sensor may be located between the sidewall of described battery core unit 10 and described battery core housing 13.
It should be noted that, by arranging pressure transducer and/or temperature sensor on the sidewall of battery core unit 10, after battery core unit 10 is mounted to battery core housing 13, pressure transducer is compressed and bears certain pressure by battery core housing 13, so, before battery core unit 10 disabling damage, pressure transducer can be utilized profile variation to be detected in time, and utilizes temperature sensor temperature to be detected before blasting in time.Such that it is able to reduce the various harm owing to the blast of battery core unit 10 brings, also allow for investigating bad impaired battery core unit 10.
In this utility model, heat-conducting glue (not shown) can be filled with in described battery core housing 13, in order to increase the area of dissipation of described battery core unit 10, may also operate as antihunt action simultaneously.
Refer to Fig. 3, it is the first connection diagram of conductive structure provided by the utility model, as shown in Figure 3, the conductive structure 12 of each battery core unit 10 can be electroconductive elastic sheet, it can be electroconductive elastic sheet that described BMS controls the conductive structure 202 of assembly 20, and the electroconductive elastic sheet of each battery core unit 10 and described BMS control the electroconductive elastic sheet of assembly 20 can be fixed by conducting bolt 15.
In like manner, if battery core unit 10 is arranged in battery core housing 13, the conductive structure 12 that each battery core housing 13 stretches out can also be electroconductive elastic sheet, and it can also be electroconductive elastic sheet that described BMS controls the conductive structure 202 of assembly 20；It is fixing that the electroconductive elastic sheet that each battery core housing 13 stretches out and the electroconductive elastic sheet of described BMS control assembly 20 again may be by the conducting bolt 15 shown in Fig. 3.
Refer to Fig. 4, it is the second connection diagram of conductive structure provided by the utility model, as shown in Figure 4, the conductive structure 12 of each battery core unit 10 can utilize male and female to dock Elecrical connector 16 with the conductive structure 202 of described BMS control assembly 20 and realize, and this male and female docking Elecrical connector can include male seat 161 and female seat 162.Such as, as shown in Figure 4, female seat 162 can as the conductive structure 12 of battery core unit 10, male seat 161 can as the conductive structure 202 stating BMS control assembly 20, or, female seat 162 can also control the conductive structure 202 of assembly 20 as BMS, and male seat 161 can also as the conductive structure 12 of battery core unit 10.
In like manner, if battery core unit 10 is arranged in battery core housing 13, the conductive structure 12 that each battery core housing 13 stretches out is same with the conductive structure 202 of described BMS control assembly 20 can also utilize male and female docking Elecrical connector to realize.Being referred to Fig. 4, this male and female docking Elecrical connector can include male seat 161 and female seat 162.Such as, the conductive structure 12 that female seat 162 can be stretched out as battery core housing 13, male seat 161 can as the conductive structure 202 stating BMS control assembly 20, or, female seat 162 can also control the conductive structure 202 of assembly 20, the conductive structure 12 that male seat 161 can also be stretched out as battery core housing 13 as BMS.
Refer to Fig. 5, it is the 3rd connection diagram of conductive structure provided by the utility model, as shown in Figure 5, the conductive structure 12 of each battery core unit 10 controls with described BMS can elastic to abut between the conductive structure 202 of assembly 20, wherein it is possible to realize above-mentioned elastic abutting by increasing elastic construction 17 in conductive structure 12 and conductive structure 202.
In like manner, if battery core unit 10 is arranged in battery core housing 13, the conductive structure 12 that each battery core housing 13 stretches out and described BMS control same between the conductive structure 202 of assembly 20 to pass through the elastic construction 17 shown in Fig. 5 and realize elastic abutting.
It should be noted that, by the way, conductive structure that the elastic piece structure 12 of battery core unit 10 or battery core housing 13 stretch out 12 can be fully contacted with the BMS conductive structure 202 controlling assembly, thus reducing contact resistance, it is to avoid the heating problem caused owing to resistance is excessive.
Such as, the heat-conducting glue being previously mentioned in this utility model can be A/B epoxy glue.
In this utility model, when assemble bag 100, first BMS is controlled assembly 20 and is fixedly mounted in described shell 30.Then, battery core unit 10, pressure transducer and temperature sensor are fixed in described battery core housing 13, and make described conductive structure 12 stretch out described battery core housing 13.Then, utilize described fixture 14 to be fixedly mounted in described shell 30 by described battery core unit 10, and make BMS control the conductive structure 202 of assembly 20 and conductive structure 12 that battery core housing 13 stretches out is in electrical contact simultaneously.Finally, the upper shell of described shell 30 and lower house are covered.
It should be noted that, conductive structure is fixed by battery core unit 10, in the process of fixing battery core unit 10, the conductive structure 12 that the conductive structure 202 of BMS control assembly 20 and battery core housing 13 stretch out is accomplished by touching simultaneously, once battery core unit 10 adjusts conductive structure again and contacts after fixing, it is easy to cause the inefficacy that comes off of conductive structure.
Due in battery bag 100 provided by the utility model, important battery core unit 10, BMS can be controlled assembly 20 and individually strengthen degree of protection, so that the degree of protection of described shell 30 can reduce, so that air in described shell 30 can with described shell 30 outside air carry out convection current and then the velocity of discharge of the heat accelerated.Certainly, owing to the degree of protection of battery core unit 10 itself is just significantly high, it is also possible to do not increase battery core housing 13.If increasing battery core housing 13 battery core unit 10 can be played very big protective effect.
Compared to prior art; battery bag 100 provided by the utility model utilizes protective housing seal BMS and control assembly; so the degree of protection of the body structure of whole battery bag can be reduced; avoid owing to encapsulating described battery core module and very high caused the not easily heat dissipation problem of body structure intensity of BMS control module; therefore; the thered is provided battery bag of this utility model is prone to heat radiation; and can under the premise not reducing battery bag safe class; reduce the degree of protection of battery pack case; reduce assembly difficulty, improve production efficiency.
And, battery bag provided by the utility model no longer adopts battery modules, but adopts multiple battery core unit independently to assemble, therefore, it is possible to simplify battery core assembling process, improve efficiency of assembling, also allow for the maintenance of later stage battery bag, reduce maintenance cost, improve the efficiency changing battery core.
Of particular note, for the person of ordinary skill of the art, that makees under instruction of the present utility model changes for equivalence of the present utility model, must be included in the scope that this utility model claim is advocated.
Claims (11)
1. a battery bag, it is characterised in that described battery bag includes: at least two battery core unit, BMS control assembly and shell；
Described at least two battery core unit and described BMS control assembly and are arranged in described shell；
Each battery core unit controls assembly with described BMS respectively and is electrically connected；
Described BMS controls assembly and includes protective housing and stretch out the conductive structure of described protective housing, and described BMS controls the electronic component of assembly and is sealed in described protective housing.
2. battery bag as claimed in claim 1, it is characterised in that arranging conductive structure on each described battery core unit, the number of the conductive structure stretching out described protective housing is identical with the number of described battery core unit；
The conductive structure of each battery core unit is connected with the described BMS conductive structure controlling assembly respectively.
3. battery bag according to claim 1, it is characterised in that described battery bag also includes at least two battery core housing；
A battery core unit and part printing board PCB is sealed in each electric core shell body；
Stretching out a conductive structure in each battery core housing, the conductive structure that the conductive structure stretched out in each battery core housing controls assembly with described BMS is connected.
4. battery bag according to claim 1, it is characterised in that be provided with heat-conducting glue in the protective housing of described BMS control assembly.
5. battery bag as claimed in claim 3, it is characterised in that: described battery core housing is additionally provided with by the described PCB pressure transducer controlled；
Described pressure transducer is between the sidewall and described battery core housing of described battery core unit.
6. battery bag as claimed in claim 3, it is characterised in that: described battery core housing is additionally provided with by the described PCB temperature sensor controlled；
Described temperature sensor is between the sidewall and described battery core housing of described battery core unit.
7. the battery bag as described in claim 3,5 or 6, it is characterised in that: it is also filled with heat-conducting glue in described electric core shell body.
8. battery bag as claimed in claim 1, it is characterised in that: it is filled with heat-conducting glue between each battery core unit and described shell.
9. battery bag as claimed in claim 2, it is characterised in that:
The conductive structure of each battery core unit is electroconductive elastic sheet, and it is electroconductive elastic sheet that described BMS controls the conductive structure of assembly；The electroconductive elastic sheet that the electroconductive elastic sheet of each battery core unit controls assembly with described BMS is fixed by conducting bolt；Or,
The conductive structure of each battery core unit controls the conductive structure of assembly and utilizes male and female to dock Elecrical connector realization with described BMS；Or,
The conductive structure of each battery core unit controls elastic between the conductive structure of assembly abutting with described BMS.
10. battery bag as claimed in claim 3, it is characterised in that:
The conductive structure that each battery core housing stretches out is electroconductive elastic sheet, and it is electroconductive elastic sheet that described BMS controls the conductive structure of assembly；The electroconductive elastic sheet that the electroconductive elastic sheet that each battery core housing stretches out controls assembly with described BMS is fixed by conducting bolt；Or,
The conductive structure that each battery core housing stretches out controls the conductive structure of assembly and utilizes male and female to dock Elecrical connector realization with described BMS；Or,
The conductive structure that each battery core housing stretches out controls elastic between the conductive structure of assembly abutting with described BMS.
11. battery bag as claimed in claim 1, it is characterised in that a battery core unit can include at least one battery core monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620149208.4U CN205355120U (en) | 2016-02-29 | 2016-02-29 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620149208.4U CN205355120U (en) | 2016-02-29 | 2016-02-29 | Battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205355120U true CN205355120U (en) | 2016-06-29 |
Family
ID=56183864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620149208.4U Active CN205355120U (en) | 2016-02-29 | 2016-02-29 | Battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205355120U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529422A (en) * | 2016-02-29 | 2016-04-27 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN107611512A (en) * | 2016-07-12 | 2018-01-19 | 太普电子(常熟)有限公司 | Cell apparatus and its external force detection method |
-
2016
- 2016-02-29 CN CN201620149208.4U patent/CN205355120U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529422A (en) * | 2016-02-29 | 2016-04-27 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN105529422B (en) * | 2016-02-29 | 2018-10-09 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN107611512A (en) * | 2016-07-12 | 2018-01-19 | 太普电子(常熟)有限公司 | Cell apparatus and its external force detection method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |