CN112038520B - Nickel-hydrogen battery pack - Google Patents
Nickel-hydrogen battery pack Download PDFInfo
- Publication number
- CN112038520B CN112038520B CN202010708306.8A CN202010708306A CN112038520B CN 112038520 B CN112038520 B CN 112038520B CN 202010708306 A CN202010708306 A CN 202010708306A CN 112038520 B CN112038520 B CN 112038520B
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- Prior art keywords
- battery
- cover plate
- shell
- management control
- battery pack
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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
- H01M10/24—Alkaline accumulators
- H01M10/30—Nickel accumulators
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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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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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
Abstract
The invention provides a nickel-metal hydride battery pack which comprises a shell, a front cover plate, a rear cover plate, a battery module and a battery management control plate, wherein the battery management control plate is installed in a battery management control plate installation groove of the front cover plate, a second pole leading-out contact pin penetrates through the battery management control plate and is partially exposed, a low-voltage communication terminal penetrates through a low-voltage communication terminal installation through hole and is partially exposed, a first pole leading-out contact pin is connected with a circuit of the battery management control plate and then is connected with one pole leading-out column of the front cover plate, a second pole leading-out contact pin is connected with an electric protection element and then is connected with the other pole leading-out column of the front cover plate, the battery module is sleeved in the shell in a matching manner, the front cover plate is matched with and sealed at the front end of the shell, the first pole leading-out contact pin and the second pole leading-out contact pin are matched and plugged in torsion spring terminals corresponding to the battery module, and the rear cover plate is matched and sealed at the rear end of the shell. The invention has the advantages of simple and compact structure, higher integration level, small volume and better temperature consistency of each battery pack of the battery module.
Description
Technical Field
The invention relates to a nickel-metal hydride battery pack.
Background
The nickel-metal hydride battery pack is increasingly used on a hybrid system vehicle, along with the great use of a light hybrid system, the requirements on the safety and the power performance of the battery pack are higher and higher, meanwhile, the capacity requirement of the light hybrid system on the battery pack is lower, the requirements on the power density and the volume density are higher, and the existing battery pack structure cannot completely meet the requirements of the light hybrid system.
Disclosure of Invention
The invention aims to provide a nickel-hydrogen battery pack which has the advantages of simple and compact structure, higher integration level, small volume and better temperature consistency of battery packs of a battery module.
The invention is realized by the following scheme:
a nickel-hydrogen battery pack comprises a shell, a front cover plate, a rear cover plate, a battery module and a battery management control plate, wherein the battery module comprises a plurality of battery packs, two end fixing supports and two heat-conducting plates, a plurality of parallel battery pack clamping grooves are formed in the inward surfaces of the heat-conducting plates, the battery packs are arranged in two layers side by side, two ends of each battery pack are respectively fixed in a battery extreme fixing groove of each end fixing support, the positive and negative ends of each battery pack penetrate through corresponding extreme through holes respectively, the battery packs are connected with each other (namely connected in series or/and in parallel), the two heat-conducting plates are respectively arranged on the outward surfaces of the upper and lower layers of battery packs, the battery pack clamping grooves of the heat-conducting plates are matched and clamped on the corresponding battery packs one by one to one, and the total positive end and the total negative end of each battery module are positioned at the same end; the shell is a square structure with a hollow interior and two open ends; the battery management control panel is provided with a first extreme leading-out contact pin and a low-voltage communication terminal, a battery management control panel mounting groove is formed in the inward surface of the front cover plate, an exhaust hole and a low-voltage communication terminal are formed in the bottom of the battery management control panel mounting groove, an electric protection element and a second extreme leading-out contact pin are arranged in the battery management control panel mounting groove, two extreme leading-out columns are arranged on the outward surface of the front cover plate, the battery management control panel is mounted in the battery management control panel mounting groove of the front cover plate, the second extreme leading-out contact pin penetrates through the battery management control panel and is partially exposed, the low-voltage communication terminal penetrates through the low-voltage communication terminal mounting hole and is partially exposed, the first extreme leading-out contact pin is connected with one extreme leading-out column of the front cover plate after being connected with the electric protection element, the second extreme leading-out contact pin is connected with the other extreme leading-out column of the front cover plate after being connected with the electric protection element, the battery module is sleeved in a shell, the front end of the front cover plate matched with the shell, the first extreme leading-out contact pin and the second extreme leading-out contact pin is matched with a torsion spring terminal corresponding to the battery module, and the back end of the shell is matched with the back cover plate. The battery management control panel is generally provided with a plurality of electrical components such as MOS (metal oxide semiconductor) tubes, shunts, resistors and the like according to the battery management requirement of the battery pack, and the electrical components are connected with one another as required to form a circuit. The two extreme leading-out columns of the front cover plate, one as an anode extreme leading-out column and the other as a cathode extreme leading-out column, the polarity of the two extreme leading-out columns is determined according to the extreme property corresponding to the torsion spring terminal connected with the two extreme leading-out columns, if the torsion spring terminal connected with the two extreme leading-out columns corresponds to a total positive end, the extreme leading-out column is the anode extreme leading-out column, if the torsion spring terminal connected with the two extreme leading-out columns corresponds to a total negative end, the extreme leading-out column is the cathode extreme leading-out column, and for the convenience of use, a mark is generally made on the extreme leading-out column of the front cover plate so as to distinguish the positive end from the negative end. The arrangement positions of the first extreme leading-out pin, the second extreme leading-out pin and the extreme leading-out column can be adjusted and designed as required. The electric protection elements arranged in the battery management control panel mounting groove of the front cover plate generally comprise a relay, a fuse and the like.
Furthermore, all be provided with heat dissipation arris tooth on the lateral surface all around of shell. The arrangement of the heat dissipation edge teeth can accelerate the heat dissipation generated by the battery module and reduce the temperature of the battery module.
Further, all be provided with the bead that a plurality of is on a parallel with shell length direction on the upper and lower internal face of shell, the one side outwards of heat-conducting plate is provided with the first logical groove that a plurality of is on a parallel with group battery draw-in groove length direction, the top of fixed bolster, bottom are provided with the second logical groove that a plurality of is on a parallel with fixed bolster thickness direction respectively, the second leads to the groove and communicates with the first logical groove one-to-one of corresponding heat-conducting plate, the first logical groove that is linked together and the corresponding bead of shell are supporting the gomphosis together with the second logical groove. The setting that bead and first logical groove, second led to the groove can make shell and battery module suit better together, plays the effect of fixed position simultaneously.
Furthermore, the heat conducting plate is made of a phase change material, so that the temperature consistency of each battery pack in the battery module can be better ensured.
Further, the outward side of the end fixing support is provided with a protective baffle plate at the periphery of the extreme through hole. The arrangement of the protective baffle can prevent the connecting sheet from contacting with the battery and other connecting sheets to cause short circuit when falling off. The arrangement position of the protective baffle can be determined according to the connection relation of the battery pack so as to ensure that the connecting sheet is convenient to install and connect. During actual manufacture, in order to better distinguish the two ends of the battery pack and prevent installation errors, the extreme perforation of the end fixing bracket can be designed into different shapes according to the connection relation between the battery packs, for example: the square positive terminal for the battery passes through, and the polygonal negative terminal for the battery passes through.
Furthermore, adhesive glue is coated between the two ends of the battery module and the shell, so that the battery module and the shell are better fixed together.
In actual manufacturing, in order to ensure the sealing performance of the battery pack, sealing rubber strips can be respectively arranged between the front cover plate and the shell and between the rear cover plate and the shell, and the sealing rubber strips can be clamped on the front cover plate and the rear cover plate.
The nickel-metal hydride battery pack has the advantages of simple and compact structure, higher integration level, small volume, safety and reliability, can quickly dissipate heat generated by the battery module to the outside through the close contact of the heat-conducting plate and the shell, quickly reduces the temperature of the battery module, ensures that the temperature difference among the battery packs in the battery module is lower and the temperature consistency is better because the heat-conducting plate is made of the phase-change material, and prolongs the service life of the battery.
Drawings
Fig. 1 is a schematic view of the overall structure of a nickel-metal hydride battery pack in embodiment 1;
FIG. 2 is an exploded view of a nickel-metal hydride battery pack according to example 1;
fig. 3 is an exploded view of a battery module (without torsion spring terminals) according to example 1;
FIG. 4 (a) is a schematic structural view of the inward-facing surface of the heat-conducting plate in example 1;
FIG. 4 (b) is a schematic structural view of the outward-facing side of the heat-conducting plate in example 1;
FIG. 5 (a) is a schematic structural view of an outward-facing surface of an end fixing bracket in example 1;
FIG. 5 (b) is a schematic structural view of an inward-facing surface of an end fixing bracket in example 1;
FIG. 6 is a schematic structural view of the casing in embodiment 1;
FIG. 7 is a schematic view showing the structure of a battery management control board according to embodiment 1;
FIG. 8 (a) is a schematic structural view of an inward-facing side of a front cover plate in example 1;
FIG. 8 (b) is a schematic structural view of an outward-facing side of a front cover plate in example 1;
FIG. 9 is a schematic view showing a structure in which a battery management control board is mounted in a front cover plate in embodiment 1;
fig. 10 is a schematic structural view of the battery module in example 1 nested in a housing.
Detailed Description
The invention will be further described with reference to the following examples and drawings, but the invention is not limited to the examples.
Example 1
A nickel-hydrogen battery pack, as shown in fig. 1 and fig. 2, comprises a shell 1, a front cover plate 2, a rear cover plate 3, a battery module 4 and a battery management control board 5;
as shown in fig. 3, the battery module 4 includes a plurality of battery packs 41, two end fixing brackets 42, and two heat conducting plates 43, as shown in fig. 4 (a) and 4 (b), a plurality of parallel battery pack slots 431 are disposed on an inward surface of the heat conducting plate 43, a plurality of first through grooves 432 parallel to the length direction of the battery pack slots 431 are disposed on an outward surface of the heat conducting plate 43, and the heat conducting plate 43 is made of a phase-change material; as shown in fig. 5 (a) and 5 (b), the top and the bottom of the end fixing bracket 42 are respectively provided with a plurality of second through grooves 421 parallel to the thickness direction of the end fixing bracket 42, and the outward surface of the end fixing bracket 42 is located at the periphery of an extreme perforation 423 (in this embodiment, a square extreme perforation is used for the negative end of the battery pack to pass through, and a polygonal extreme perforation is used for the positive end of the battery pack to pass through); the plurality of battery packs 41 are arranged side by side in two layers, two ends of the plurality of battery packs 41 are respectively fixed in the battery extreme fixing grooves 422 of the fixed support 42, and the positive and negative ends of the battery packs 41 respectively penetrate through the corresponding extreme through holes 423, the plurality of battery packs 41 are connected together (in this embodiment, in series), the two heat-conducting plates 43 are respectively arranged on the outward surfaces of the upper and lower layers of battery packs 41, the battery pack clamping grooves 431 of the heat-conducting plates 43 are respectively matched and clamped on the corresponding battery packs 41, the second through grooves 421 of the fixed support 42 are correspondingly communicated with the first through grooves 432 of the corresponding heat-conducting plates 43, the total positive end and the total negative end of the battery module 4 are positioned at the same end, and the total positive end and the total negative end of the battery module 4 are respectively provided with torsion spring terminals 44;
as shown in fig. 6, the housing 1 is a square structure with a hollow interior and two open ends, the outer side surfaces of the periphery of the housing 1 are all provided with heat dissipation edge teeth 11, and the upper and lower inner wall surfaces of the housing 1 are all provided with a plurality of ribs 12 parallel to the length direction of the housing;
as shown in fig. 7, the battery management control board 5 is provided with a first extreme leading pin 51 (which is inserted and matched with the torsion spring terminal of the total positive terminal of the battery module in the embodiment) and a low voltage communication terminal 52; as shown in fig. 8 (a), a battery management control board mounting groove 21 is disposed on the inward surface of the front cover plate 2, an exhaust hole 22 and a low-voltage communication terminal mounting through hole 23 are disposed at the bottom of the battery management control board mounting groove 21, an electrical protection element 24 (including a relay, a fuse, etc.) and a second pole leading pin 25 (in this embodiment, it is inserted into a torsion spring terminal of the battery module total negative terminal) are disposed in the battery management control board mounting groove 21, as shown in fig. 8 (b), two pole leading-out posts 26 are disposed on the outward surface of the front cover plate 2, one of the pole leading-out posts serves as a positive pole leading-out post, and the other pole leading-out post serves as a negative pole leading-out post; as shown in fig. 9, the battery management control board 5 is installed in the battery management control board installation groove 21 of the front cover plate 2, the second pole leading pin 25 penetrates through the battery management control board 5 and is partially exposed, the low voltage communication terminal 52 penetrates through the low voltage communication terminal installation through hole 23 and is partially exposed, the first pole leading pin 51 is connected with the circuit of the battery management control board 5 and then connected with one pole leading post 26 of the front cover plate 2, and the second pole leading pin 25 is connected with the electric protection element 24 and then connected with the other pole leading post 26 of the front cover plate 2;
as shown in fig. 10, the battery module 4 is sleeved in the housing 1 in a matching manner, the first through groove 432 and the second through groove 421 communicated with the battery module 4 are matched and embedded with the corresponding protruding edge 12 of the housing 1, adhesive glue (not shown) is coated between the two ends of the battery module 4 and the housing 1, as shown in fig. 1, the front cover plate 2 is matched and sealed on the front end of the housing 1, the first extreme leading-out pin 51 and the second extreme leading-out pin 25 are matched and plugged in the torsion spring terminal 44 corresponding to the battery module 4, the rear cover plate 3 is matched and sealed on the rear end of the housing 1, and sealing rubber strips (not shown) are respectively arranged between the front cover plate 2 and the housing 1 and between the rear cover plate 3 and the housing 1 and clamped on the front cover plate and the rear cover plate.
Claims (6)
1. A nickel-metal hydride battery pack is characterized in that: the battery module comprises a plurality of battery packs, two end fixing supports and two heat-conducting plates, wherein a plurality of parallel battery pack clamping grooves are formed in the inward surfaces of the heat-conducting plates, the plurality of battery packs are arranged side by side in two layers, two ends of the plurality of battery packs are respectively fixed in battery extreme fixing grooves of the end fixing supports, positive and negative ends of the battery packs respectively penetrate through corresponding extreme through holes, the plurality of battery packs are connected with each other, the two heat-conducting plates are respectively arranged on the outward surfaces of the upper layer of battery pack and the lower layer of battery pack, the battery pack clamping grooves of the heat-conducting plates are respectively matched and clamped on the corresponding battery packs one by one, a total positive end and a total negative end of each battery module are positioned at the same end, and torsion spring terminals are respectively arranged on the total positive end and the total negative end of each battery module; the shell is a square structure with a hollow interior and two open ends; the battery management control panel is provided with a first extreme leading-out contact pin and a low-voltage communication terminal, a battery management control panel mounting groove is formed in the inward surface of the front cover plate, an exhaust hole and a low-voltage communication terminal are formed in the bottom of the battery management control panel mounting groove, an electric protection element and a second extreme leading-out contact pin are arranged in the battery management control panel mounting groove, two extreme leading-out columns are arranged on the outward surface of the front cover plate, the battery management control panel is mounted in the battery management control panel mounting groove of the front cover plate, the second extreme leading-out contact pin penetrates through the battery management control panel and is partially exposed, the low-voltage communication terminal penetrates through the low-voltage communication terminal mounting hole and is partially exposed, the first extreme leading-out contact pin is connected with one extreme leading-out column of the front cover plate after being connected with the electric protection element, the second extreme leading-out contact pin is connected with the other extreme leading-out column of the front cover plate after being connected with the electric protection element, the battery module is sleeved in a shell, the front end of the front cover plate matched with the shell, the first extreme leading-out contact pin and the second extreme leading-out contact pin is matched with a torsion spring terminal corresponding to the torsion spring terminal of the battery module, the back cover plate, and the back cover plate is matched with the phase-change material.
2. The nickel-metal hydride battery pack according to claim 1, wherein: and heat dissipation edge teeth are arranged on the outer side surfaces of the periphery of the shell.
3. The nickel-metal hydride battery pack according to claim 2, wherein: all be provided with the bead that a plurality of is on a parallel with shell length direction on the upper and lower internal face of shell, the one side outwards of heat-conducting plate is provided with the first logical groove that a plurality of is on a parallel with group battery draw-in groove length direction, the top, the bottom of fixed support are provided with the second that a plurality of is on a parallel with fixed support thickness direction respectively and lead to the groove, the second leads to the groove and communicates with the first logical groove one-to-one of corresponding heat-conducting plate, the first logical groove that is linked together and the second lead to the groove and the corresponding bead of shell and match the gomphosis together.
4. The nickel-metal hydride battery pack according to any one of claims 1 to 3, wherein: the one side outwards of end fixing support is located extreme fenestrate periphery and is provided with protective baffle.
5. The nickel-metal hydride battery pack according to any one of claims 1 to 3, wherein: and adhesive glue is coated between the two ends of the battery module and the shell.
6. The nickel-metal hydride battery pack according to claim 4, wherein: and adhesive glue is coated between the two ends of the battery module and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010708306.8A CN112038520B (en) | 2020-07-22 | 2020-07-22 | Nickel-hydrogen battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010708306.8A CN112038520B (en) | 2020-07-22 | 2020-07-22 | Nickel-hydrogen battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN112038520A CN112038520A (en) | 2020-12-04 |
| CN112038520B true CN112038520B (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010708306.8A Active CN112038520B (en) | 2020-07-22 | 2020-07-22 | Nickel-hydrogen battery pack |
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| CN (1) | CN112038520B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115133200A (en) * | 2022-05-30 | 2022-09-30 | 万向一二三股份公司 | High-power micro-hybrid power supply system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681082A (en) * | 2017-10-27 | 2018-02-09 | 常州普莱德新能源电池科技有限公司 | A kind of battery modules |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107346811B (en) * | 2016-05-06 | 2023-05-26 | 宁德时代新能源科技股份有限公司 | Low-voltage power battery pack |
| CN206134878U (en) * | 2016-09-18 | 2017-04-26 | 广东工业大学 | Lithium cell module heat radiation structure |
| CN206210888U (en) * | 2016-11-24 | 2017-05-31 | 绵阳力神动力电池系统有限公司 | A kind of electric vehicle battery system shell |
| CN107507947B (en) * | 2017-08-28 | 2020-06-09 | 湖南科霸汽车动力电池有限责任公司 | Nickel-hydrogen power battery pack for 48V start-stop system of automobile |
| CN208240747U (en) * | 2018-03-08 | 2018-12-14 | 天津普兰能源科技有限公司 | A kind of pin-connected panel battery pack support |
| CN208637491U (en) * | 2018-09-19 | 2019-03-22 | 十堰猛狮新能源科技有限公司 | A kind of battery pack structure |
| CN208904096U (en) * | 2018-10-29 | 2019-05-24 | 湖南科霸汽车动力电池有限责任公司 | A kind of power battery pack |
| CN209860072U (en) * | 2019-04-23 | 2019-12-27 | 深圳凯思诚科技有限公司 | High-temperature-resistant lithium battery |
| CN209691903U (en) * | 2019-05-05 | 2019-11-26 | 科力远混合动力技术有限公司 | Air-cooled and phase-change heat power battery module |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681082A (en) * | 2017-10-27 | 2018-02-09 | 常州普莱德新能源电池科技有限公司 | A kind of battery modules |
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Effective date of registration: 20210726 Address after: 410100 first floor, building 10, advanced energy storage and energy conservation demonstration Industrial Park, No. 169, Section 2, Renmin East Road, Changsha Economic and Technological Development Zone, Hunan Province Applicant after: NATIONAL ENGINEERING RESEARCH OF ADVANCED ENERGY STORAGE MATERIALS Address before: 410205 No. 348, west slope, Tongzi high tech Development Zone, Hunan, Changsha Applicant before: HUNAN COPOWER EV BATTERY Co.,Ltd. |
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