CN208460920U - A kind of power battery pack heat management assembly - Google Patents
A kind of power battery pack heat management assembly Download PDFInfo
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- CN208460920U CN208460920U CN201820429462.9U CN201820429462U CN208460920U CN 208460920 U CN208460920 U CN 208460920U CN 201820429462 U CN201820429462 U CN 201820429462U CN 208460920 U CN208460920 U CN 208460920U
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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
The utility model discloses a kind of power battery pack heat management assemblies, solve the technical issues of power battery pack in the prior art is all made of coolant media temperature adjustment.The heat management assembly includes battery modules, several groups single battery side by side is provided in the battery modules, heat-conducting plate is disposed adjacent with single battery described in each group to conduct heat, the heat-conducting plate end is provided with the heat-conduction part of bending extension, and the heat-conduction part is contacted with soaking plate to conduct heat；Semiconductor chilling plate is provided in the battery modules, the semiconductor chilling plate includes two thermal conductive surfaces, and the thermal conductive surface of inside and soaking plate contact are conducted heat, and thermal conductive surface and the heat sink contact in outside are conducted heat.The utility model can effectively promote battery pack heat management level, guarantee that battery pack works in suitable temperature range, promote battery pack performance, and extend battery, while energy-storage system lightweight level can also be substantially improved.
Description
Technical field
The utility model relates to a kind of power battery pack heat management assemblies, for the heating of on-vehicle battery system and cooling tube
Reason.
Background technique
In various energy storage technologies, lithium ion battery is increasingly becoming work with its high energy density characteristic and high Commercial Prospect
The only choosing of industry and vehicle-mounted energy storage device.But the performance of large capacity, high-power energy storage battery system is quick to temperature change
Sense, long-time high and low temperature environment and the accumulation of the system temperature difference, can all influence service life and the performance of battery.Therefore for high-power storage
Energy battery system must be radiated at work using special cooling device, while guarantee that system is in suitable temperature as far as possible
In range.
The heat management system of mainstream is direct-cooled (heating) using air-cooled (heating), liquid cooling (heating) or air conditioner coolant at present
Mode, as shown in Figure 1 and Figure 2, Fig. 1 is the structural schematic diagram of air-cooled power battery pack heat management assembly in the prior art, figure
2 be the structural schematic diagram of liquid-cooled power battery pack heat management assembly in the prior art.But these heat management modes are being conducted heat
Efficiency haves the defects that in temperature control uniformity and conversion speed different degrees of.
Air-cooled conversion speed is fast, but air heat transfer efficiency is low, and uniformity is poor；Air conditioner coolant is since thermal capacitance is low, heat transfer effect
Rate is high, but lack of uniformity；Liquid cooling heat transfer efficiency is high, and uniformity is good, but since system thermal capacitance is high, needs coolant liquid first
Heating or refrigeration, capacity usage ratio is low, and can not be switched fast between heating and refrigerating state.Meanwhile these heat management systems
System inevitably needs to increase auxiliary device such as compressor, blower, evaporator/condensers, water tank, pipeline, pump outside battery pack
Valve etc. is just able to achieve complete heat management function.System complex and more problems can be introduced, such as: it is air-cooled due to need with it is extraneous
Air circulation can not accomplish the degree of protection of IP67, this is that battery pack designs the requirement that must satisfy again；Liquid cooling system is in battery
There are risk of leakage etc. for pipeline in packet.
Utility model content
For the above problem in the prior art, the utility model provides a kind of power battery pack heat management assembly, adopts
Directly battery is heated and is cooled down with semiconductor chilling plate, does not need coolant media heat transfer, and can be by controlling electric current side
It is switched fast between refrigeration and heating to realizing, guarantees that battery pack works in suitable temperature range, promote battery pack performance, and prolong
Long battery.
In order to achieve the above object, the technical solution of the utility model is achieved in that
The utility model provides a kind of power battery pack heat management assembly, including battery modules, sets in the battery modules
It is equipped with several groups single battery side by side, heat-conducting plate has been disposed adjacent with single battery described in each group and has conducted heat, it is described to lead
Hot plate end is provided with the heat-conduction part of bending extension, and the heat-conduction part is contacted with soaking plate to conduct heat；
Semiconductor chilling plate is provided in the battery modules, the semiconductor chilling plate includes two thermal conductive surfaces, inside
Thermal conductive surface and soaking plate contact conduct heat, the contact of the thermal conductive surface and heat sink in outside is conducted heat.
Optionally, the heat-conduction part of the heat-conducting plate is in the same plane, the heat-conduction part of the adjacent heat-conducting plate
A part of region is superimposed to conduct heat.
Optionally, the heat-conducting plate between the adjacent single battery, contacts with the single battery of two sides and conducts heat.
Optionally, the heat management assembly further includes control circuit, and the control circuit includes major loop, the major loop
On battery modules described in several groups in parallel or in series.
Optionally, one group or several groups semiconductor chilling plate, several groups semiconductor chilling plate are set in the battery modules
Between in parallel or in series.
Optionally, it is provided with relay control on-off on the major loop, is provided with current sample point on the major loop.
Optionally, several groups parallel branch, semiconductor chilling plate described in parallel each group are electrically connected on the major loop
It accesses in one group of parallel branch, the branch road is provided with switching group control on-off, on-off duration and current direction, the branch
On be provided with current sample point.
Optionally, the current sample point setting divider resistance or current sensor monitor current value.
Optionally, the heat management assembly further includes Intelligent management module, and the Intelligent management module monitors the master and returns
The current value on road, controls the on-off that the relay realizes the major loop, and the Intelligent management module monitors the branch
Current value controls the switching group and realizes the on-off of the branch, on-off duration and current direction.
Optionally, the Intelligent management module and battery pack management system (BMS) are communicated to connect.
Optionally, it is provided with temperature sensor temperature collection on the soaking plate and the heat sink, and will be described
Temperature signal is sent to the Intelligent management module, and the Intelligent management module monitors the temperature of the soaking plate and the heat sink
Angle value controls the switching group and realizes the on-off of the branch, on-off duration and current direction.
Optionally, fuse is provided on the major loop, the switching group is opened using MOS type switching circuit or IGBT type
Powered-down road.
Optionally, the single battery is mounted in battery case, the case of the lateral surface of the heat sink and the battery case
Body contact, is exchanged heat by the cabinet and external environment.
Optionally, between the single battery and the heat-conducting plate, between the soaking plate and the heat-conducting plate, described half
It is filled between conductor cooling piece and the soaking plate and the heat sink, between the heat sink and the cabinet of the battery case
Heat conductive pad or heat-conducting glue.
Optionally, mat insulation is provided between the soaking plate and the heat sink.
Optionally, the cabinet of the battery case is made of cast aluminium or aluminum profile welding, and battery modules are made with box-like body
For the heat exchanger to exchange heat with external environment.
Optionally, it may be provided with radiating fin outside the cabinet, to enhance heat transfer effect.
Optionally, spoiler is provided with outside the cabinet, the spoiler may be adjusted by the gas of the radiating fin
Stream is to enhance heat transfer effect.
Optionally, the heat-conducting plate, the soaking plate, the heat sink are all made of high-thermal conductive metal and are made.
The utility model being arranged using the above structure has the advantage that
The utility model can be integrated in battery pack, not need external aids, be conducive to battery system lightweight.
For the utility model in such a way that semiconductor chilling plate is directly heated or cooled battery, heat transfer efficiency is high.
The additional device thermal capacitance of the utility model is small, and thermal losses is small.
The utility model can do feedback control and status monitoring by intelligent object, and control precision is high, and serious forgiveness is high.
Soaking plate, semiconductor chilling plate in the utility model, heat sink can be integrated into battery module structure, be conducive to
The generalization of Lifting Modules group and standardization.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of air-cooled power battery pack heat management assembly in the prior art；
Fig. 2 is the structural schematic diagram of liquid-cooled power battery pack heat management assembly in the prior art；
Fig. 3 is the structural schematic diagram of semiconductor chilling plate in the utility model embodiment；
Fig. 4 is the structural schematic diagram of power battery pack heat management assembly in the utility model embodiment；
Fig. 5 is the switching group enlarged view in Fig. 4；
Fig. 6 is the structural schematic diagram of battery modules in the utility model embodiment；
Fig. 7 is the portion the A enlarged view in Fig. 6；
Fig. 8 is the control flow chart of intelligent management unit in the utility model embodiment.
In figure: 1. Intelligent management modules；2. fuse；3. relay；4. current sample point；4-n. current sample point；5.
Switching group；5-n-1. switch；5-n-2. switch；5-n-3. switch；5-n-4. switch；6. battery modules；6-1. heat-conducting plate；6-2.
Single battery；6-3. heat-conduction part；7. soaking plate；8. semiconductor chilling plate；8-1.N type or P-type semiconductor；8-2. metal is led
Body；8-3. insulating ceramic film；9. mat insulation；10. heat sink；11. battery case.
Specific embodiment
The utility model directly heats battery and is cooled down using semiconductor chilling plate, does not need coolant media biography
Heat, and can be realized by control current direction and be switched fast between refrigeration and heating, guarantee battery pack in suitable temperature range work
Make, promotes battery pack performance, and extend battery.
Tthe utility model system is integrated in battery pack, and not needing additional auxiliary setting can be quick according to battery pack state
Heating or refrigeration, and can be switched fast between refrigeration and heating.
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Embodiment 1
As shown in Fig. 4, Fig. 6, Fig. 8, the present embodiment provides a kind of power battery pack heat management assembly, including battery modules 6,
It is provided with several groups single battery 6-2 side by side in battery modules 6, has been disposed adjacent heat-conducting plate with each group of single battery 6-2
6-1 conducts heat, and the one end heat-conducting plate 6-1 is provided with the heat-conduction part 6-3 of bending extension, and heat-conduction part 6-3 is contacted with soaking plate 7
It conducts heat.
Be provided with semiconductor chilling plate 8 in battery modules 6, semiconductor chilling plate 8 includes two thermal conductive surfaces, inside it is thermally conductive
Face and the contact of soaking plate 7 are conducted heat, and thermal conductive surface and heat sink 10 contact in outside are conducted heat.
The structure of semiconductor chilling plate 8 employed in the present embodiment is as shown in figure 3, N-type semiconductor 8-1 and p-type are partly led
Body 8-1 is alternatively arranged, and both ends are arranged metallic conductor 8-2 and connect, and progress is contacted with insulating ceramic film 8-3 on the outside of metallic conductor 8-2
Heat transfer.
Semiconductor chilling plate is also thermoelectric module, and its advantages are no slide units, and application space is unrestricted, can
Height is required by property, and is polluted without refrigerant.Its principle is the Pelt ier effect (paltie effect) using semiconductor material, when
When the galvanic couple that direct current is connected by two kinds of different semiconductor materials, heat and releasing can be absorbed respectively at the both ends of galvanic couple
Heat, to realize the purpose of refrigeration or heating.
As shown in figure 3, when one piece of N-type semiconductor material and one piece of p-type semiconductor material are coupled to galvanic couple clock synchronization, at this
After connecting DC current in circuit, the transfer of energy can be generated, electric current by N-type element flow to p-type element connector (upside
Metallic conductor 8-2) heat is absorbed, become cold end, is released by the connector (the metallic conductor 8-2 of downside) that p-type element flows to N-type element
Thermal discharge becomes hot end.Conversely, change current direction, cold and hot end exchange.And heat absorption and exothermic power are to pass through electric current
Size and the element logarithm of semiconductor material N, P determine.
As shown in fig. 6, the heat-conduction part 6-3 of heat-conducting plate 6-1 is in the same plane, guarantee is effectively contacted with soaking plate 7,
The heat-conduction part 6-3 of adjacent heat-conducting plate 6-1 is superimposed a part of region and conducts heat, and further improves heat biography from each other
The harmony passed.
Soaking plate 7 can be used as attachment or structural member is mounted in battery modules 6.Soaking plate 7 can be tabular, contact
One side of battery modules 6, such as bottom surface.Multiple sides that soaking plate 7 can also contact battery modules 6 are conducted heat, and are mentioned
Rise heat-transfer effect.Such as it is designed to U-shaped, three sides of battery modules 6 are contacted, or be designed to channel-shaped, contacts battery modules 6
Five sides.
Heat-conducting plate 6-1 between adjacent single battery 6-2 is contacted with the single battery 6-2 of two sides and is conducted heat.
For outermost single battery 6-2, heat-conducting plate 6-1 can be set on the outside, heat-conducting plate 6-1 herein only with
Outermost single battery 6-2 contact is conducted heat.
As shown in figure 4, heat management assembly further includes control circuit, control circuit includes major loop, is electrically connected on major loop
Several groups parallel branch includes several groups battery modules 6, the semiconductor chilling plate 8 of each group of battery modules 6 in heat management assembly
It accesses in one group of parallel branch.
N group parallel branch is electrically connected in Fig. 4 on major loop, heat management assembly includes n group battery modules 6.
It is accessed in major loop or one group of parallel branch after several groups battery modules 6 can also being connected.
One group or several groups semiconductor chilling plate 8 be set in each group of battery modules 6, several groups semiconductor chilling plate 8 it
Between be parallel relationship.When several groups semiconductor chilling plate 8 is arranged, several groups semiconductor chilling plate 8 uses same soaking
Plate 7 and same heat sink 10.
The parallel branch that control battery modules 6 are only symbolically depicted in Fig. 4, can actually be designed to the every of parallel connection
One group of semiconductor chilling plate 8 accesses in one group of parallel branch, and such Intelligent management module 1 can control each group of semiconductor
Faulty semiconductor chilling plate 8 can be individually isolated in on-off, on-off duration and the current direction of cooling piece 8.
It is accessed in one group of parallel branch after several groups semiconductor chilling plate 8 can also being connected, is to be adapted in this way
The demand of high voltage.Such as vehicle 24V power supply system, the operating voltage of semiconductor chilling plate 8 are 12V, it is necessary to be connected
Two groups of semiconductor chilling plates 8 are to be adapted to vehicle voltage.
As shown in figure 4, being provided with relay 3 on major loop controls on-off, current sample point 4 is provided on major loop.
Branch road is provided with switching group 5 and controls on-off, on-off duration and current direction, and branch road is provided with current sample point
4-n。
Divider resistance or current sensor monitor current value can be set at current sample point 4 and current sample point 4-n.
Heat management assembly further includes Intelligent management module 1, and Intelligent management module 1 monitors the current value of major loop, i.e., in electricity
It flows sampled point 4 and acquires current signal, control relay 3 realizes the on-off of major loop, and Intelligent management module 1 monitors the electric current of branch
Value acquires current signal in current sample point 4-n, control switch group 5 realizes on-off, on-off duration and the electric current side of branch
To.Intelligent management module 1 is equivalent to the master controller of control circuit.
Intelligent management module 1 and battery pack management system (BMS) are communicated to connect, and receive battery pack management system (BMS)
Control command realizes the heating and refrigeration of different capacity according to the requirement of battery pack management system (BMS).
Intelligent management module 1 can control the unlatching quantity of battery modules 6 or semiconductor chilling plate 8 by switching group 5, every
Malfunction is reported from faulty battery modules 6 or semiconductor chilling plate 8, and to battery pack management system (BMS).
When being connected as shown in figure 5, working as switch 5-n-1,5-n-3, and switch 5-n-2,5-n-4 being kept to disconnect, in branch
Electric current is a direction, and heating or refrigerating state is presented in semiconductor chilling plate 8 at this time, when switch 5-n-1,5-n-3 disconnection, and is protected
When holding switch 5-n-2,5-n-4 and connecting, the electric current in branch is opposite direction, at this time semiconductor chilling plate 8 present refrigeration or
Heated condition.
In the present embodiment, it is provided with temperature sensor temperature collection on soaking plate 7 and heat sink 10, and by temperature
Signal is sent to Intelligent management module 1, and Intelligent management module 1 monitors the temperature value of soaking plate 7 and heat sink 10, control switch group
5 realize on-off, on-off duration and the current direction of branch.
By acquiring the temperature value of soaking plate 7 and heat sink 10, Intelligent management module 1 may be implemented closed-loop control, prevent
The supercooling of battery modules 6 or overheat.
If a certain group of semiconductor chilling plate 8 is constantly in high temperature or low-temperature condition, the control of switching group 5 is not rung
Answer, Intelligent management module 1 is it may determine that this group of semiconductor chilling plate 8 is malfunction, cut-out switch group 5, to it carry out every
From.
As shown in figure 4, being additionally provided with fuse 2 (fuse) on major loop, fuse 2 is used as system passive protection.
Switching group 5 uses MOS type switching circuit or IGBT type switching circuit, the battery modules 6 or semiconductor system controlled
MOS type switching circuit is used when cold 8 voltages are lower, whens battery modules 6 controlled or higher 8 voltage of semiconductor chilling plate makes
With IGBT type switching circuit, circuit theory is as shown in Figure 5.
Single battery 6-2 is mounted in battery case 11, and the cabinet contact of the lateral surface and battery case 11 of heat sink 10 passes through
The cabinet of battery case 11 radiates.
Between single battery 6-2 and heat-conducting plate 6-1, between soaking plate 7 and heat-conducting plate 6-1, semiconductor chilling plate 8 and soaking
Between plate 7 and heat sink 10, heat conductive pad is filled between heat sink 10 and the cabinet of battery case 11, heat conductive pad fills these components
Between gap, can reduce the thermal resistance between these components in this way, realize good heat transfer.
Mat insulation 9 is provided between soaking plate 7 and heat sink 10, this is in order to hot between soaking plate 7 and heat sink 10
Isolation, prevents that heat transfer occurs between soaking plate 7 and heat sink 10, the heating/refrigerating function of semiconductor chilling plate 8 is caused to lose
Effect.
The cabinet of battery case 11 is made of cast aluminium or aluminum profile welding, battery modules 6 using box-like body as with outside
The heat exchanger of environment heat exchange.
Radiating fin is provided with outside cabinet, to enhance heat transfer effect.
Spoiler is also provided with outside cabinet, spoiler adjusts the air-flow by radiating fin, in running car
Air-flow can efficiently pass through radiating fin, to enhance the heat-exchange capacity with external environment.
Heat-conducting plate 6-1, soaking plate 7, heat sink 10 are all made of high-thermal conductive metal and are made, such as aluminium sheet is made, heating conduction
Well.
The control flow of Intelligent management module 1 is as shown in Figure 8.In the present embodiment, there are two kinds of operating conditions of refrigeration and heating.
Cooling condition:
Battery modules 6 are in high temperature, and Intelligent management module 1 receives the temperature information and work information of BMS CAN outflow, closes
Refrigerating circuit relay 3 is closed, while the refrigerating channel for needing to open and cooling piece quantity are selected according to refrigeration demand.In Fig. 4
For mould group n, it is closed 5-n-1,5-n-3, and 5-n-2,5-n-4 is kept to disconnect.Semiconductor chilling plate 8 makes soaking plate 7 at this time
It is cold, soaking plate 7 and then cooling battery modules 6；Semiconductor chilling plate 8 simultaneously heats heat sink 10, and heat sink 10 passes through thermally conductive
Pad delivers heat to the bottom case of battery case 11, and the radiator of the bottom case of battery case 11 as a whole and ambient air are completed to exchange heat,
To realize that mould group is freezed.
Heating cycle:
Battery modules 6 are in low temperature, and Intelligent management module 1 receives the temperature information and work information of BMS CAN outflow, closes
Refrigerating circuit relay 3 is closed, while the refrigerating channel for needing to open and cooling piece quantity are selected according to refrigeration demand.In Fig. 4
For mould group n, it is closed 5-n-2,5-n-4, and 5-n-1,5-n-3 is kept to disconnect.Semiconductor chilling plate 8 adds soaking plate 7 at this time
Heat, soaking plate 7 and then heating battery modules 6；Semiconductor chilling plate 8 simultaneously freezes to heat sink 10, and heat sink 10 passes through thermally conductive
It padding and freezes to the bottom case of battery case 11, the radiator of the bottom case of battery case 11 as a whole and ambient air are completed to exchange heat,
To realize that mould group heats.
The utility model, which has, to occupy little space, and no refrigerant pollution does not need coolant media heat transfer, do not need additional auxiliary
The characteristics of helping setting；System quickly can heat or freeze according to battery pack state, and can be switched fast between refrigeration and heating, from
And it is more acurrate and rapidly battery pack temperature change is responded.
The utility model can effectively promote battery pack heat management level, guarantee that battery pack works in suitable temperature range,
Battery pack performance is promoted, and extends battery, while it is horizontal that energy-storage system lightweight can also be substantially improved.
Embodiment 2
The utility model embodiment 2 is the improvement made on the basis of embodiment 1, the utility model embodiment 2 and reality
The distinctive points for applying example 1 are, between single battery 6-2 and heat-conducting plate 6-1, between soaking plate 7 and heat-conducting plate 6-1, semiconductor system
Heat-conducting glue is filled between cold 8 and soaking plate 7 and heat sink 10, between heat sink 10 and the cabinet of battery case 11.
Heat-conducting glue fills the gap between these components, can equally reduce the thermal resistance between these components, realizes good
Heat transfer.
The other content of power battery pack heat management assembly is same as Example 1 in the utility model embodiment 2, herein not
Repeat description.
Embodiment 3
The utility model embodiment 3 is the improvement made on the basis of embodiment 1, the utility model embodiment 3 and reality
The distinctive points for applying example 1 are, the both ends heat-conducting plate 6-1 are provided with the heat-conduction part 6-3 of bending extension, heat-conducting plate 6-1 be in U-shape or
It is Z-shaped.
Correspondingly, the components such as soaking plate 7, semiconductor chilling plate 8, heat sink 10 are provided in the two sides single battery 6-2.
Correspondingly, it to be exchanged heat using two sides of battery case 11 and outside air.
Using the above structure, so that it may carry out heat conduction in the two sides of single battery 6-2, the temperature adjustment to battery modules 6
More balanced, speed is faster.
The other content of power battery pack heat management assembly is same as Example 1 in the utility model embodiment 3, herein not
Repeat description.
More than, only specific embodiment of the present utility model, under the above-mentioned introduction of the utility model, art technology
Personnel can carry out other improvement or deformation on the basis of the above embodiments.It will be understood by those skilled in the art that above-mentioned
Specific descriptions only preferably explain the purpose of this utility model, the protection scope of the utility model should be with the guarantor of claim
It protects subject to range.
Claims (10)
1. a kind of power battery pack heat management assembly, including battery modules, several groups side by side are provided in the battery modules
Single battery, which is characterized in that heat-conducting plate, which has been disposed adjacent, with single battery described in each group has conducted heat, the heat-conducting plate end
Portion is provided with the heat-conduction part of bending extension, and the heat-conduction part is contacted with soaking plate to conduct heat；
Semiconductor chilling plate is provided in the battery modules, the semiconductor chilling plate includes two thermal conductive surfaces, and inside is led
Hot face and soaking plate contact are conducted heat, and thermal conductive surface and the heat sink contact in outside are conducted heat.
2. power battery pack heat management assembly according to claim 1, which is characterized in that the heat-conduction part of the heat-conducting plate
In the same plane, the heat-conduction part of the adjacent heat-conducting plate is superimposed a part of region and conducts heat；
Heat-conducting plate between the adjacent single battery, contacts with the single battery of two sides and conducts heat.
3. power battery pack heat management assembly according to claim 1, which is characterized in that the heat management assembly further includes
Control circuit, the control circuit include major loop, battery modules described in several groups in parallel or in series on the major loop；
One group or several groups semiconductor chilling plate be set in the battery modules, it is in parallel between several groups semiconductor chilling plate or
Series connection.
4. power battery pack heat management assembly according to claim 3, which is characterized in that be provided on the major loop after
Electrical equipment control on-off is provided with current sample point on the major loop；
Several groups parallel branch is electrically connected on the major loop, semiconductor chilling plate described in parallel each group accesses one group of parallel connection
In branch, the branch road is provided with switching group control on-off, on-off duration and current direction, and the branch road is provided with electric current
Sampled point.
5. power battery pack heat management assembly according to claim 4, which is characterized in that the heat management assembly further includes
Intelligent management module, the Intelligent management module monitor the current value of the major loop, control the relay and realize the master
The on-off in circuit, the Intelligent management module monitor the current value of the branch, control the switching group and realize the branch
On-off, on-off duration and current direction；
The Intelligent management module is connect with battery pack communication.
6. power battery pack heat management assembly according to claim 5, which is characterized in that the soaking plate and the heat dissipation
It is provided with temperature sensor temperature collection on plate, and the signal of the temperature is sent to the Intelligent management module, institute
The temperature value that Intelligent management module monitors the soaking plate and the heat sink is stated, the switching group is controlled and realizes the branch
On-off, on-off duration and current direction.
7. power battery pack heat management assembly according to claim 4, which is characterized in that be provided on the major loop molten
Disconnected device, the switching group use MOS type switching circuit or IGBT type switching circuit.
8. power battery pack heat management assembly according to claim 1, which is characterized in that the single battery is mounted on electricity
In the case of pond, the cabinet of the lateral surface of the heat sink and the battery case is contacted, and is exchanged heat by the cabinet and external environment.
9. power battery pack heat management assembly according to claim 8, which is characterized in that the single battery is led with described
Between hot plate, between the soaking plate and the heat-conducting plate, the semiconductor chilling plate and the soaking plate and the heat sink
Between, between the heat sink and the cabinet of the battery case fill heat conductive pad or heat-conducting glue；
Mat insulation is provided between the soaking plate and the heat sink.
10. power battery pack heat management assembly according to claim 8, which is characterized in that the cabinet of the battery case by
Cast aluminium or aluminum profile welding are made, and radiating fin is provided with outside the cabinet to enhance heat transfer effect；
Spoiler is provided with outside the cabinet, the spoiler adjustment enhances heat exchange effect by the air-flow of the radiating fin
Fruit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820429462.9U CN208460920U (en) | 2018-03-28 | 2018-03-28 | A kind of power battery pack heat management assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820429462.9U CN208460920U (en) | 2018-03-28 | 2018-03-28 | A kind of power battery pack heat management assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112952277A (en) * | 2021-02-04 | 2021-06-11 | 上汽大众汽车有限公司 | Battery module assembly with integrated thermal management system and battery management system |
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2018
- 2018-03-28 CN CN201820429462.9U patent/CN208460920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112952277A (en) * | 2021-02-04 | 2021-06-11 | 上汽大众汽车有限公司 | Battery module assembly with integrated thermal management system and battery management system |
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