CN205810995U - A kind of radiator structure of battery pack balancing device - Google Patents
A kind of radiator structure of battery pack balancing device Download PDFInfo
- Publication number
- CN205810995U CN205810995U CN201620499061.1U CN201620499061U CN205810995U CN 205810995 U CN205810995 U CN 205810995U CN 201620499061 U CN201620499061 U CN 201620499061U CN 205810995 U CN205810995 U CN 205810995U
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- fin
- conducting strip
- battery pack
- balancing device
- radiator structure
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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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Abstract
This utility model provides the radiator structure of a kind of battery pack balancing device, in being arranged on a square casing and fit with the pcb board in square casing, this radiator structure includes the fin in square block, the upper conducting strip being fitted on fin top surface and the lower conducting strip being fitted in fin bottom faces, upper conducting strip top surface fits with the heating resistor of setting on pcb board, and lower conducting strip bottom faces fits with square casing inwall.This utility model solves the battery pack balancing device of routine in balancing procedure, and heating resistor produces substantial amounts of heat and causes the problem that battery management system damages, it is ensured that the safety in the stability of battery management system work and set of cells use.
Description
Technical field
This utility model relates to technical field of new energy, is specifically related to the radiator structure of a kind of battery pack balancing device.
Background technology
Battery management system (referred to as " BMS ") be widely used in new-energy automobile field in recent years in realize automobile internally-powered lithium battery management significant components.The set of cells that single lithium battery is in series is in charge and discharge process, certain pressure reduction is there is between single lithium battery owing to the reasons such as the individual variation of single lithium battery battery, temperature contrast cause, pressure reduction is crossed conference and is caused the performance degradation of set of cells, shortens set of cells service life.In order to avoid there is above-mentioned situation, in battery management system, it is usually added into battery pack balancing device, to realize the balanced management of single lithium battery in set of cells.
At present, battery pack balancing device uses heating resistor in parallel in single lithium battery, when detecting that the pressure reduction existed between single lithium battery in set of cells exceedes certain threshold value, just battery pack balancing device is started, heating resistor forms loop and discharges cell, makes the pressure reduction between cell diminish, it is ensured that single lithium battery stable work in work, thus extend set of cells service life, increase battery durable ability.But, cell is carried out in discharge process by heating resistor, can produce substantial amounts of heat, and the heat that set of cells produces in charge and discharge process, directly contribute the various circuit in battery management system and the damage of electronic devices and components, and threaten the safety that set of cells uses further.
Utility model content
This utility model provides the radiator structure of a kind of battery pack balancing device, solve conventional battery pack balancing device in balancing procedure, heating resistor produces the problem that substantial amounts of heat causes battery management system to damage, it is ensured that the safety that the stability of battery management system work and set of cells use.
The radiator structure of a kind of battery pack balancing device that this utility model provides, in being arranged on a square casing and fit with the pcb board in square casing, this radiator structure includes the fin in square block, the upper conducting strip being fitted on fin top surface and the lower conducting strip being fitted in fin bottom faces, upper conducting strip top surface fits with the heating resistor of setting on pcb board, and lower conducting strip bottom faces fits with square casing inwall.Wherein, pcb board belongs to battery management system, and the heating resistor in battery pack balancing device is arranged on this pcb board, and the heat that heating resistor produces is transferred to square casing through upper conducting strip, fin and lower conducting strip；Conducting strip and square casing all use aluminum alloy materials to be made, and upper conducting strip and lower conducting strip all use silica gel material to be made, conducting strip, fin, lower conducting strip and square casing not only increase area of dissipation, too increase heat-dissipating space, it is ensured that the temperature in the square casing at battery management system place controls in the range of battery management system normally works.
Further, fin top surface offers in the first strip groove, heating resistor and upper conducting strip are respectively positioned on this first strip groove and heating resistor is fitted by upper conducting strip and the first strip trench bottom；The second strip groove is offered along the direction being perpendicular to the first strip groove in fin bottom faces.Wherein, the first strip groove is fitted with upper conducting strip, consequently facilitating receive the heat of upper conducting strip transmission, meanwhile, the first strip groove and the second strip groove add heat-dissipating space.
Further, in fin bottom faces and near one side position, offer U-type groove, and the U-shaped mouth of U-type groove towards and run through fin one side；Being provided with temperature sensor in U-type groove and offer screwed hole, this temperature sensor is fitted with U-type groove bottom faces by its sensitive surface；Fin the other side offers the U-shaped opening towards another side.Wherein, U-type groove is used for placing temperature sensor, and temperature sensor can monitor the temperature of fin in real time.
Further, fin top surface offering multiple screwed hole, fin is fixed on pcb board by multiple screws supporting with screwed hole；Offering screwed hole in U-type groove bottom faces, temperature sensor is bolted on pcb board by supporting with screwed hole.Wherein, offering of screwed hole, for being fixed on pcb board by radiator structure and temperature sensor.
Operation principle of the present utility model:
This utility model is by fitting heating resistor with fin, and further fin is fitted with square casing inwall, upper conducting strip is arranged between heating resistor and fin simultaneously and and heating resistor, fin is fitted, and lower conducting strip is arranged between fin and square casing inwall and and fin, square casing inwall is fitted, therefore, when battery pack balancing device starts equilibrium to cell, seamless the touching of heat that heating resistor produces can be transferred to fin and be transferred to square casing further and distribute to space outerpace by this utility model with leading.
The beneficial effect that this utility model produces:
1, the radiator structure of battery pack balancing device described in the utility model, owing to the area of dissipation of fin and square casing is relatively big, thus heat radiation space is bigger；Simultaneously as heating resistor, upper conducting strip, fit into a single integrated structure between fin and square casing, thus seamless the touching of heat that heating resistor produces is transferred to fin further ground square casing with leading, and distributes to hull outside；Therefore, compared with prior art, the good heat dispersion performance of this radiator structure, it is ensured that various circuit and electronic devices and components normal table in battery management system work and contact the safety of close set of cells work with battery management system.
When 2, the radiator structure of battery pack balancing device described in the utility model is not installed, due to set of cells carry out discharge and recharge and battery pack balancing device to cell start equilibrium after, substantial amounts of heat is produced inside battery management system, battery management system internal temperature drastically raises, and mean temperature is more than 80 degree；And after installing and using the radiator structure of battery pack balancing device described in the utility model, continuously due to it heat that heating resistor produces is transferred to square shell and distributes to space outerpace, battery management system internal temperature maintains about 45 degree；Therefore, the radiator structure of battery pack balancing device described in the utility model, radiating effect is preferable, and heat dispersion is reliable and stable, can be by battery management system internal temperature control in the range of battery management system normally works.
3, this utility model is by screw by structures that links into an integrated entity such as pcb board, upper conducting strip, fin, lower conducting strip, temperature sensors, and overall structure is relatively simple, easy accessibility, and cost of manufacture is cheap, is easier to realize.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing being further appreciated by of the present utility model, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the radiator structure of battery pack balancing device described in the utility model；
Fig. 2 is the enlarged drawing of a-quadrant in Fig. 1；
Fig. 3 is the schematic perspective view of the radiator structure of battery pack balancing device described in the utility model；
Description of reference numerals: 1, square casing；2, pcb board；3, fin；3-1, the first strip groove；3-2, the second strip groove；3-3, U-type groove；3-4, U-shaped opening；4, upper conducting strip；5, lower conducting strip；6, heating resistor；7, temperature sensor.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that this utility model can be defined by the claims and cover is implemented.
See figures.1.and.2, the radiator structure of a kind of battery pack balancing device, in this radiator structure is arranged on square casing 1 and fit with the pcb board 2 in square casing 1.This radiator structure includes the upper conducting strip 4 that the fin 3 in square block is fitted on fin 3 top surface and the lower conducting strip 5 being fitted in fin 3 bottom faces, upper conducting strip 4 top surface fits with two heating resistors 6 of setting on pcb board 2, and lower conducting strip 5 bottom faces fits with square casing 1 inwall.
With reference to Fig. 3, fin 3 top surface offers 1 the first strip groove 3-1, in two heating resistors 6 and upper conducting strip 4 are respectively positioned on this first strip groove 3-1 and two heating resistors 6 are all fitted bottom the first strip groove 3-1 by upper conducting strip 4；2 the second strip groove 3-2 are offered along the direction being perpendicular to the first strip groove 3-1 in fin 3 bottom faces.
Offer U-type groove 3-3 in fin 3 bottom faces and near one side position, and the U-shaped mouth of U-type groove 3-3 towards and run through the one side of fin 3；Being provided with temperature sensor 7 in U-type groove 3-3, this temperature sensor 7 is fitted with U-type groove 3-3 bottom faces by its sensitive surface；Fin 3 the other side offers the U-shaped opening 3-4 towards another side.
Offering 5 screwed holes on fin 3 top surface, fin 3 is fixed on pcb board 2 by 5 screws supporting with screwed hole；Offering 1 screwed hole in U-type groove 3-3 bottom faces, temperature sensor 7 is bolted on pcb board 2 by supporting with screwed hole.
Claims (4)
1. the radiator structure of a battery pack balancing device, in being arranged on a square casing and fit with the pcb board in square casing, it is characterized in that, include the fin in square block, the upper conducting strip being fitted on fin top surface and the lower conducting strip being fitted in fin bottom faces, described upper conducting strip top surface fits with the heating resistor of setting on pcb board, and described lower conducting strip bottom faces fits with square casing inwall.
The radiator structure of a kind of battery pack balancing device the most as claimed in claim 1, it is characterized in that, offer in the first strip groove, described heating resistor and upper conducting strip are respectively positioned on this first strip groove on described fin top surface and heating resistor is fitted by described upper conducting strip and the first strip trench bottom；The second strip groove is offered along the direction being perpendicular to the first strip groove in described fin bottom faces.
The radiator structure of a kind of battery pack balancing device the most as claimed in claim 1 or 2, it is characterised in that offer U-type groove in described fin bottom faces and near one side position, and the U-shaped mouth of U-type groove towards and run through fin one side；Being provided with temperature sensor in described U-type groove, this temperature sensor is fitted with U-type groove bottom faces by its sensitive surface；Fin the other side offers the U-shaped opening towards another side.
The radiator structure of a kind of battery pack balancing device the most as claimed in claim 3, it is characterised in that offer multiple screwed hole on described fin top surface, fin is fixed on pcb board by multiple screws supporting with screwed hole；Offering screwed hole in described U-type groove bottom faces, described temperature sensor is bolted on pcb board by supporting with screwed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620499061.1U CN205810995U (en) | 2016-05-30 | 2016-05-30 | A kind of radiator structure of battery pack balancing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620499061.1U CN205810995U (en) | 2016-05-30 | 2016-05-30 | A kind of radiator structure of battery pack balancing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205810995U true CN205810995U (en) | 2016-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620499061.1U Active CN205810995U (en) | 2016-05-30 | 2016-05-30 | A kind of radiator structure of battery pack balancing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205810995U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108990348A (en) * | 2018-09-28 | 2018-12-11 | 上海松岳电源科技有限公司 | A kind of lightweight BMS shell |
| CN109216620A (en) * | 2018-10-19 | 2019-01-15 | 南京驰鸿新能源科技有限公司 | A kind of battery pack balancing device and its equalization methods |
-
2016
- 2016-05-30 CN CN201620499061.1U patent/CN205810995U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108990348A (en) * | 2018-09-28 | 2018-12-11 | 上海松岳电源科技有限公司 | A kind of lightweight BMS shell |
| CN109216620A (en) * | 2018-10-19 | 2019-01-15 | 南京驰鸿新能源科技有限公司 | A kind of battery pack balancing device and its equalization methods |
| CN109216620B (en) * | 2018-10-19 | 2024-04-02 | 江苏水智蓝科技有限公司 | Battery pack equalizer and equalizing method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |