CN106129277B - Power battery box with battery management system - Google Patents
Power battery box with battery management system Download PDFInfo
- Publication number
- CN106129277B CN106129277B CN201610683066.4A CN201610683066A CN106129277B CN 106129277 B CN106129277 B CN 106129277B CN 201610683066 A CN201610683066 A CN 201610683066A CN 106129277 B CN106129277 B CN 106129277B
- Authority
- CN
- China
- Prior art keywords
- circuit board
- box
- power battery
- management system
- box body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000012423 maintenance Methods 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- H01M10/4285—Testing apparatus
-
- 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
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
-
- 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
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a take power battery box of battery management system, including the box that is used for installing power battery package and with the battery management system that power battery package passes through the signal acquisition line and links to each other, the connector mounting hole has been seted up on the box, install the connector on the connector mounting hole, the signal acquisition line is connected the connector, the connector is through the configuration the lateral surface of box forms the socket, battery management system includes the circuit board, it can correspond to peg graft to be provided with on the circuit board plug on the socket, the circuit board passes through the plug reaches the socket connection the signal acquisition line. The power battery box has the advantages of good waterproof and dustproof sealing performance, convenience in debugging and overhauling, safety and reliability in maintenance and the like.
Description
Technical Field
The invention relates to a power battery of an electric automobile, in particular to a power battery box with a battery management system.
Background
At present, a Battery Management System (BMS) of a power battery of an electric automobile is basically built in a battery PACK (PACK), and most of the battery PACKs require that the waterproof and dustproof grade is IP 67. If need detect, restore or need overhaul the battery management system when changing to the electric core in the battery package at the vehicle maintenance in-process, need unpack the power battery package apart the inspection maintenance, waste time and energy, still make the dustproof and waterproof grade of power battery package descend easily if the misoperation moreover.
Disclosure of Invention
The invention mainly aims to overcome the defects of the prior art and provide a power battery box with a battery management system, so that the power battery box is convenient to maintain and the dustproof and waterproof performance of a box body is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a take power battery box of battery management system, including the box that is used for installing power battery package and with the battery management system that power battery package passes through the signal acquisition line and links to each other, the connector mounting hole has been seted up on the box, install the connector on the connector mounting hole, the signal acquisition line is connected the connector, the connector is through the configuration the lateral surface of box forms the socket, battery management system includes the circuit board, it can correspond to peg graft to be provided with on the circuit board plug on the socket, the circuit board passes through the plug reaches the socket connection the signal acquisition line.
Further:
the plug is configured to pass through the circuit board toward one side of the receptacle and form a plurality of measurement contacts on the other side of the circuit board.
The plurality of measurement contacts are configured to form a plurality of pins protruding from a surface of the circuit board.
The pins are 1-10mm, preferably 4-6mm, higher than the surface of the circuit board.
The cover plate is detachably mounted on the outer side face of the box body of the power battery pack and covers the circuit board.
And a maintenance window which can be opened or closed is arranged on the cover plate corresponding to the plug.
The maintenance window is provided with a screw cap which is installed in a threaded manner.
The outer side surface of the box body is provided with a sunken part, and at least one part of the battery management system is embedded into the sunken part.
A groove for placing the circuit board is formed on the sunken part, a sealing ring is arranged on the periphery of the groove, a cover plate covering the circuit board covers the groove, and the sealing ring is compressed to realize waterproof sealing between the cover plate and the box body.
The circuit board is fixed on the cover plate through screws, and the cover plate is fixed on the box body through screws.
The invention has the beneficial effects that:
according to the invention, the Battery Management System (BMS) is arranged on the outer side surface of the power battery pack box body, and the external BMS is connected with the signal acquisition line of the power battery pack in the box body through the connector arranged on the box body, so that the external BMS can detect information such as voltage, current and temperature in the battery pack through the connector. By adopting the invention, when the battery core in the battery pack needs to be detected and repaired in the vehicle maintenance process or the battery management system needs to be disassembled for maintenance and replacement, the power battery pack box body does not need to be disassembled for inspection, maintenance or replacement (including balanced maintenance of the battery core monomer and the battery pack box body does not need to be opened when the BMS module needs to be upgraded or replaced), not only is maintenance convenient, but also the pollution of water or dust to the power battery pack caused by the box body being opened due to improper operation can be fundamentally avoided. Therefore, compared with the prior art, the scheme of the invention has the advantages of good waterproof and dustproof sealing performance, convenience in debugging and overhauling, safety and reliability in maintenance and the like.
The preferred solution also allows to obtain further advantages. For example, in a preferred embodiment, the plug for connecting the connector on the circuit board of the BMS is disposed on the other side (i.e., the side facing the outside) of the circuit board of the BMS to form a plurality of measurement contacts, and each measurement contact may be disposed to correspond to each signal collection line, so that the battery voltage, temperature, and other signals can be conveniently tested through the measurement contacts to realize detection and maintenance. In another preferred scheme, a cover plate is further arranged on the outer side surface of the box body to cover and protect the circuit board of the BMS positioned on the outer side surface of the box body, and a maintenance window which can be opened or closed is arranged on the cover plate corresponding to the plug, so that the detection and maintenance can be more conveniently carried out through the maintenance window.
Drawings
FIG. 1 is a schematic diagram of a connector inside a power battery box according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a connector structure on the outer side of a power battery box body according to an embodiment of the invention;
FIG. 3 is a cross-sectional view of an assembled structure of a power battery box body and a battery management system according to an embodiment of the invention;
FIG. 4 is a schematic diagram of a battery management system of a power battery box according to an embodiment of the present invention (when the cover plate is not covered);
FIG. 5 is a schematic diagram of a battery management system of a power battery box according to an embodiment of the present invention (when a cover plate is covered);
fig. 6 is an exploded view of a power battery box and a battery management system according to an embodiment of the invention.
Detailed Description
The embodiments of the present invention will be described in detail below. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
Referring to fig. 1 to 6, in an embodiment, a power battery PACK with a Battery Management System (BMS) includes a case 1 (only a part of which is shown) for mounting a power battery PACK and a battery management system connected to the power battery PACK (not shown) through a signal collection wire 2, the case 1 is provided with a connector mounting hole, a connector 3 is mounted on the connector mounting hole, the signal collection wire 2 is connected to the connector 3 at an inner side of the case 1, the connector 3 is configured at an outer side of the case 1 to form a socket 4, the battery management system includes a circuit board 5, the circuit board 5 is provided with a plug 6 that can be correspondingly plugged into the socket 4, and the circuit board 5 is connected to the signal collection wire 2 through the plug 6 and the socket 4.
In a preferred embodiment, the plug 6 is configured to pass through the circuit board 5 towards one side of the socket 4 and form a plurality of measurement contacts on the other side of the circuit board 5.
In a more preferred embodiment, the plurality of measurement contacts are configured to form a plurality of pins 7 protruding from the surface of the circuit board 5.
In the preferred embodiment, the pins 7 are 1-10mm higher than the surface of the circuit board 5, preferably, the pins 7 are 4-6mm higher than the surface of the circuit board 5, and more preferably, about 5mm higher.
In a preferred embodiment, the power battery box further comprises a cover plate 8, wherein the cover plate 8 is detachably mounted on the outer side surface of the box body 1 of the power battery pack and covers the circuit board 5.
In a more preferred embodiment, the cover plate 8 is provided with a maintenance window 9 which can be opened or closed at a position corresponding to the plug 6. Preferably, the maintenance window 9 is equipped with a screw cap 10 mounted in a threaded manner.
In a preferred embodiment, a recessed portion is formed on an outer side surface of the case 1, and the battery management system is at least partially embedded in the recessed portion. The outer side surface is designed into a concave shape, so that the whole battery management system can be embedded into a part, the possibility of direct impact can be avoided or reduced to a certain extent, and the battery management system is protected.
In a more preferred embodiment, a groove for placing the circuit board 5 is formed on the recessed portion, a sealing ring 12 is disposed on the periphery of the groove, a cover plate 8 covering the circuit board 5 covers the groove, and the sealing ring 12 is pressed to achieve waterproof sealing between the cover plate 8 and the box body 1.
In some embodiments, the circuit board 5 is fixed to the cover plate 8 by screws, and the cover plate 8 is fixed to the case 1 by screws.
In some embodiments, the battery management system is arranged on the outer side surface of the case 1 of the power battery pack, the signal collecting line 2 inside the battery case is led to the outer side of the case 1 through one connector 3, the plug 6 on the circuit board 5 of the external BMS is directly plugged into the socket 4 of the connector 3 positioned on the outer side of the case 1, and the external BMS can detect information such as voltage, temperature, current and the like inside the battery pack through the plug 6 and the socket 4. The circuit board 5 of the BMS may be externally covered and protected by a cover plate 8, and the cover plate 8 may be detachably opened for maintenance. In addition, a maintenance window 9 may be further provided on the cover plate 8 of the BMS, and signals of the battery voltage, temperature, etc. may be more conveniently tested through the maintenance window 9 which is more easily opened. By adopting the embodiment of the invention, the operations such as balanced maintenance and the like can be directly carried out on the single battery cell outside the box body 1, and the box body 1 of the battery pack does not need to be opened when the BMS module needs to be upgraded or replaced, so that the battery pack has the advantages of good waterproof sealing, convenience in debugging and maintenance, safety and reliability in maintenance and the like.
In some embodiments, the outer side surface is designed to be concave, so that the whole battery management system can be embedded into a part, and the battery management system is better protected. A groove can be formed on the concave surface, the circuit board 5 of the BMS is arranged in the groove, the sealing ring 12 is assembled on the periphery of the groove, the cover plate 8 is arranged in the groove through the screw 14, the circuit board 5 is covered, and meanwhile, the sealing ring 12 is compressed, so that the sealing ring 12 plays a waterproof sealing role between the cover plate 8 and the box body 1. The socket 4 is similar in construction to an aircraft socket. The pin 6 may be soldered directly to the circuit board 5. The contact pin 7 outside the plug 6 is higher than the 5 welding spots of the circuit board by about 5mm, and the data information of each pin is directly measured when the maintenance is convenient. When the BMS is mounted, the circuit board 5 of the BMS is fixed to the cover plate 8 by the screws 13, and then the cover plate 8 is fastened to the case by the screws 14 after the plug 6 of the circuit board 5 is inserted into the socket 4 in alignment. In order to avoid frequent disassembly and assembly of the cover plate 8 on the box body 1 of the battery pack, a maintenance window 9 for debugging and maintenance is formed in the cover plate 8 and is sealed through a screw cap 10 and a sealing ring 11, and the screw cap 10 is provided with threads which are matched with the threads on the maintenance window 9 to play a waterproof role. During maintenance, the detection tool can directly measure signals and data of each contact pin 7 on the plug 6 through the maintenance window 9, and can judge whether the battery pack works normally.
The foregoing is a more detailed description of the invention in connection with specific/preferred embodiments and is not intended to limit the practice of the invention to those descriptions. It will be apparent to those skilled in the art that various substitutions and modifications can be made to the described embodiments without departing from the spirit of the invention, and these substitutions and modifications should be considered to fall within the scope of the invention.
Claims (10)
1. A power battery box with a battery management system comprises a box body for installing a power battery pack and the battery management system connected with the power battery pack through a signal acquisition line, it is characterized in that the box body is provided with a connector mounting hole, the connector mounting hole is provided with a connector, the signal collecting wire is connected with the connector, the connector is configured on the outer side surface of the box body to form a socket, the battery management system comprises a circuit board, a plug which can be correspondingly plugged into the socket is arranged on the circuit board, the circuit board is connected with the signal acquisition line through the plug and the socket, the plug is configured to penetrate through one surface of the circuit board facing the socket, and a plurality of measuring contacts are formed on the other surface of the circuit board, so that the detection and maintenance of the battery in the box body are realized through the measuring contacts.
2. The power cell box of claim 1, wherein the plurality of measurement contacts are configured to form a plurality of pins protruding from a surface of the circuit board.
3. The power cell box of claim 2, wherein the pins are 1-10mm above the surface of the circuit board.
4. The power cell box of claim 3, wherein the pins are 4-6mm above the surface of the circuit board.
5. The power battery box according to any one of claims 1 to 4, further comprising a cover plate detachably mounted on an outer side surface of the box body of the power battery pack and covering the circuit board.
6. The power battery box of claim 5, wherein the cover plate is provided with a maintenance window which can be opened or closed corresponding to the plug.
7. The power cell box of claim 6, wherein the service window is provided with a screw cap that is threadably mounted.
8. The power battery box according to any one of claims 1 to 4, wherein a recessed portion is formed on an outer side surface of the box body, and the battery management system is at least partially embedded in the recessed portion.
9. The power battery box according to claim 8, wherein a groove for accommodating the circuit board is formed on the recessed portion, a sealing ring is provided on the periphery of the groove, a cover plate covering the circuit board covers the groove, and the sealing ring is compressed to achieve waterproof sealing between the cover plate and the box body.
10. The power battery box of claim 5, wherein the circuit board is fixed to the cover plate by screws, and the cover plate is fixed to the box body by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610683066.4A CN106129277B (en) | 2016-08-17 | 2016-08-17 | Power battery box with battery management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610683066.4A CN106129277B (en) | 2016-08-17 | 2016-08-17 | Power battery box with battery management system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106129277A CN106129277A (en) | 2016-11-16 |
| CN106129277B true CN106129277B (en) | 2019-12-31 |
Family
ID=57278649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610683066.4A Active CN106129277B (en) | 2016-08-17 | 2016-08-17 | Power battery box with battery management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106129277B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018032408A1 (en) * | 2016-08-17 | 2018-02-22 | 深圳市科列技术股份有限公司 | Power battery box having battery management system |
| CN106450098B (en) * | 2016-12-17 | 2023-04-18 | 北京理工大学 | High-energy-density battery box structure easy to maintain |
| CN108808299A (en) * | 2018-06-08 | 2018-11-13 | 江苏久兴源新能源科技有限公司 | Power battery simplicity connect-disconnect structure |
| KR102698610B1 (en) * | 2018-11-15 | 2024-08-27 | 주식회사 엘지에너지솔루션 | Battery module |
| CN109980307A (en) * | 2019-03-20 | 2019-07-05 | 浙江天能能源科技股份有限公司 | A kind of lithium battery group device for fast detecting and detection method |
| CN112038532B (en) * | 2020-09-14 | 2023-07-18 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Battery module for board-card type circuit function board |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201877479U (en) * | 2010-11-08 | 2011-06-22 | 南京中大青山电动汽车有限公司 | Air-cooled replaceable cell box for pure electric vehicle |
| CN202150504U (en) * | 2011-07-12 | 2012-02-22 | 深圳市沃特玛电池有限公司 | Connection structure of battery management system and battery box |
| CN205406577U (en) * | 2015-12-18 | 2016-07-27 | 山东精工电子科技有限公司 | Lithium battery box for electric bus |
| CN205944152U (en) * | 2016-08-17 | 2017-02-08 | 深圳市科列技术股份有限公司 | Take battery management system's power battery box |
-
2016
- 2016-08-17 CN CN201610683066.4A patent/CN106129277B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201877479U (en) * | 2010-11-08 | 2011-06-22 | 南京中大青山电动汽车有限公司 | Air-cooled replaceable cell box for pure electric vehicle |
| CN202150504U (en) * | 2011-07-12 | 2012-02-22 | 深圳市沃特玛电池有限公司 | Connection structure of battery management system and battery box |
| CN205406577U (en) * | 2015-12-18 | 2016-07-27 | 山东精工电子科技有限公司 | Lithium battery box for electric bus |
| CN205944152U (en) * | 2016-08-17 | 2017-02-08 | 深圳市科列技术股份有限公司 | Take battery management system's power battery box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106129277A (en) | 2016-11-16 |
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