CN207353325U - A kind of battery thermal management system - Google Patents
A kind of battery thermal management system Download PDFInfo
- Publication number
- CN207353325U CN207353325U CN201721113677.1U CN201721113677U CN207353325U CN 207353325 U CN207353325 U CN 207353325U CN 201721113677 U CN201721113677 U CN 201721113677U CN 207353325 U CN207353325 U CN 207353325U
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- Prior art keywords
- flat
- heat
- plate
- heat pipe
- battery
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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 battery thermal management system, and the inside of flat-plate heat pipe sets evaporation working medium, and, parallel to the direction of air flow, air flows through by the passage that adjacent condensation segment is formed for it.Single battery produces heat in charge and discharge process, absorbed by evaporator section, because the inside of flat-plate heat pipe sets evaporation working medium, evaporator section can be transferred heat to, the passage of air circulation is formed between the condensation segment of two flat-plate heat pipes, it is carried in the out-of-date heat of air stream with gas, plays the effect quickly cooled down.The structure of the system is simple, and the quality of flat-plate heat pipe is small, advantageously reduces the overall weight of vehicle body.In a kind of specific substantive example, phase-change heat storage device is set between two flat-plate heat pipes, to absorb the heat of flat-plate heat pipe, reduces the load of flat-plate heat pipe；Phase-change heat storage device is contacted with single battery, also can directly absorb the heat of battery, so as to accelerate overall heat dissipation effect.
Description
Technical field
Battery technical field of heat dissipation is the utility model is related to, further relates to a kind of battery thermal management system.
Background technology
Electric automobile provides power as a kind of new vehicles, by battery, does not consume traditional fossil energy,
There is the incomparable advantage of orthodox car in terms of energy-saving and emission-reduction, environmental protection.
Power battery module can produce substantial amounts of heat during charging and discharging, cannot such as shed in time, it will make
Temperature of powered cell is excessive, seriously affects the performance of power battery, shortens the service life of battery, or even can power battery
The safety issues such as spontaneous combustion, explosion, due to the unbalanced performance that can also reduce power battery itself of temperature, influence the power of vehicle
Performance.How effectively to solve the problems, such as battery pack heat dissipation as the electric automobile industry development promoted based on power battery
Key point.
Current power battery radiating mode is divided into air-cooled, the hot and cold pipe cooling of liquid, because the thermal conductivity factor of air is low, heat dissipation
Effect is bad, and needs vehicle effectively to radiate after reaching certain speed, the low speed starting stage cooling effect very
Difference；Although liquid is cold to have obvious effect to battery heat dissipation, the weight of cooling system is big, additionally increases car body weight, to vehicle
Performance impact, because there are the problem of leakage, so also needing to necessary quarantine measures.
Therefore, for those skilled in the art, a kind of good cooling results, simple and light cooling dress are designed
Put, be the current technical issues that need to address.
Utility model content
The utility model provides a kind of battery thermal management system, has higher radiating efficiency, and simple in structure, quality
Smaller, concrete scheme is as follows：
A kind of battery thermal management system, including：
Babinet, in groove type, for accommodating single battery；
Upper cover, coordinates installation to form babinet with the babinet；
Flat-plate heat pipe, its internal sets evaporate working medium；The flat-plate heat pipe includes being closely set in described in adjacent two
Evaporator section between single battery；The flat-plate heat pipe includes extending the condensation segment outside the single battery, the tablet
Heat pipe further includes heat conduction section, and the evaporator section absorbs the heat that the single battery produces and is transferred to the condensation segment；It is described
Parallel to the direction of air flow, air flows through flat-plate heat pipe by the passage that the adjacent condensation segment is formed.
Alternatively, the phase-change heat storage device contacted with heat conduction section fitting is equipped between two pieces of flat-plate heat pipes,
To absorb the heat of the flat-plate heat pipe；The phase-change heat storage device is contacted with the side wall fitting of the single battery, is absorbed at the same time
The heat of the single battery.
Alternatively, the pin-type fins for being used for accelerating radiating efficiency are set on the outer surface of the condensation segment；The heat conduction section
Outer surface on plate fin is set, the plate fin is inserted into the inserting groove that is set on the phase-change heat storage device.
Alternatively, the evaporator section is internally provided with nanostructured hydrophilic coating, and being internally provided with for the condensation segment receive
Rice structure hydrophobic coating.
Alternatively, the surface that the flat-plate heat pipe is contacted with the single battery sets high heat conduction silica gel.
Alternatively, the outer wall of the flat-plate heat pipe is high heat conduction copper coin or high heat conduction aluminium sheet；The babinet and the upper cover
It is made of low heat conduction plate material.
Alternatively, the phase-change heat storage device includes paraffin class organic phase change material, carbon-based heat conduction support frame, nano metal
Particle, high density polyethylene (HDPE).
Alternatively, the phase transition temperature of the paraffin class organic phase change material is between 35~45 DEG C；The carbon-based heat conduction branch
Support bone frame is expanded graphite or foamy carbon；The nano-metal particle is Nanometer Copper, nano aluminum or nano silver.
Alternatively, opened up on the upper lid for making electrode through hole that the single battery electrode exposes and for cooling down gas
The cooling through hole that stream passes through, the bottom of the babinet set corresponding through hole；Partition plate is vertically arranged in the babinet, for by institute
State single battery and the phase-change heat storage device is isolated with cooling duct, set on the partition plate and be used to insert the spacing tablet heat
The groove of pipe.
The utility model provides a kind of battery thermal management system, including the structure such as babinet, upper cover, flat-plate heat pipe, its raising middle flask
Body is in groove type, and single battery is carried for accommodating；Upper cover coordinates installation to form babinet with babinet；The inside of flat-plate heat pipe is set
Working medium is evaporated, flat-plate heat pipe includes the evaporator section being closely set between two adjacent single batteries, and evaporator section is used to absorb
The heat that single battery distributes；Flat-plate heat pipe includes extending the condensation segment outside single battery, and the heat that evaporator section absorbs turns
Move to condensation segment；Parallel to the direction of air flow, air flows through flat-plate heat pipe by the passage that adjacent condensation segment is formed.It is single
Body battery produces heat in charge and discharge process, is absorbed by evaporator section, can be by heat because the inside of flat-plate heat pipe sets evaporation working medium
Evaporator section is transferred to, the passage of air circulation is formed between the condensation segment of two flat-plate heat pipes, in the out-of-date heat of air stream with gas
Body is carried over, and plays the effect quickly cooled down.
The utility model plays the role of heat dissipation by the evaporation working medium inside flat-plate heat pipe, and the structure of the system is simple,
The quality of flat-plate heat pipe is small, advantageously reduces the overall weight of vehicle body.
In a kind of specific substantive example, phase-change heat storage device is set between two flat-plate heat pipes, to absorb flat-plate heat pipe
Heat, reduce the load of flat-plate heat pipe；Phase-change heat storage device is contacted with single battery at the same time, also can directly absorb the heat of battery
Amount, so as to accelerate overall heat dissipation effect.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Figure 1A is the integrally-built axonometric drawing of battery thermal management system of the utility model；
Figure 1B is the integrally-built top view of battery thermal management system of the utility model；
Fig. 2 is the explosive view of each component；
Fig. 3 A are the axonometric drawing of flat-plate heat pipe；
Fig. 3 B are the front view of flat-plate heat pipe；
Fig. 4 is a kind of concrete structure diagram of phase-change heat storage device；
Fig. 5 is the structure chart of upper cover；
Fig. 6 A are the axonometric drawing of babinet；
Fig. 6 B are the top view of babinet.
Figure includes：
Cover board 1, electrode through hole 11, cooling through hole 12, single battery 2, flat-plate heat pipe 3, evaporator section 31, condensation segment 32, pin
Formula fin 321, heat conduction section 33, plate type radiator piece 331, phase-change heat storage device 4, inserting groove 401, babinet 5, partition plate 51.
Embodiment
The core of the utility model is to provide a kind of battery thermal management system have higher radiating efficiency, and tie
Structure is simple, and quality is smaller.
In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with attached drawing and
Specific embodiment, explanation is described in detail to the battery thermal management system of the utility model.
The utility model provides a kind of battery thermal management system, including the structure such as upper cover 1, flat-plate heat pipe 3, babinet 5, such as schemes
It is respectively the integrally-built axonometric drawing of battery thermal management system and top view of the utility model shown in 1A and Figure 1B；Fig. 2 is each
The explosive view of component；Babinet 5 is in groove type, for accommodating single battery 2；Upper cover 1 and babinet 5 coordinate installation to form babinet, and two
Person, which seals, to be coordinated, and single battery 2 is positioned within babinet, within babinet can holding multiple pieces single battery 2, form battery pack.It is flat
Plate heat pipe 3 itself is platy structure, its internal sets evaporates working medium；As shown in Figure 3A and Figure 3B, it is respectively the axis of flat-plate heat pipe 3
Mapping and front view；Flat-plate heat pipe 3 includes evaporator section 31, condensation segment 32 and heat conduction section 33, and evaporator section 31 is closely set in adjacent
Two single batteries 2 between, two single batteries 2 clamp one flat plate heat pipes 3, and one is clamped between two pieces of flat-plate heat pipes 3
Single battery 2, single battery 2 and 3 alternate intervals of flat-plate heat pipe are set；The length of flat-plate heat pipe 3 is more than single battery 2, it has
There is the part for extending single battery 2, condensation segment 32 is located at the part extended outside single battery 2；Because of evaporator section 31 and list
Body battery 2 is close to, and evaporator section 31 absorbs the heat that single battery 2 produces, and the inside of flat-plate heat pipe 3 is evaporation working medium, will can be evaporated
The heat that section 31 absorbs is transferred to condensation segment 32, and heat conduction section 33 is between evaporator section 31 and condensation segment 32, for transmitting heat.
Flat-plate heat pipe 3 is set parallel to the direction of air flow, and air-flow is formed between the condensation segment 32 of adjacent two flat-plate heat pipes 3 and is led to
Road, air are flowed through by the passage that adjacent condensation segment 32 is formed, and air flow takes the heat in condensation segment 32 out of, plays drop
The effect of temperature.
The utility model plays the role of quick heat radiating by the evaporation working medium inside flat-plate heat pipe 3, due to flat-plate heat pipe 3
Contacted between single battery 2 for face, compared to the phase transformation of the heat exchange efficiency higher evaporation working medium of traditional monomer tubular structure
Heat absorption is big, has and in improving radiating effect；The structure of the system is simple, and the quality of flat-plate heat pipe is small, advantageously reduces vehicle body
Overall weight.
On the basis of such scheme, the utility model further includes the phase-change heat storage device between two pieces of flat-plate heat pipes 3
4, phase-change heat storage device 4 is contacted with the fitting of heat conduction section 33, for absorbing the heat of flat-plate heat pipe 3, plays the work of temporary transient storing heat
With, and heat can be distributed around, a side wall of phase-change heat storage device 4 forms gas channel, can be by airflow radiating, to mitigate
The load that flat-plate heat pipe 3 radiates.The side wall of phase-change heat storage device 4 is contacted with the side wall fitting of single battery 2, as shown in figure 4, being phase
A kind of concrete structure diagram of change heat reservoir；Phase-change heat storage device 4 can also directly absorb the heat of single battery 2, further to reduce
The heat dissipation load of flat-plate heat pipe 3.
Phase-change heat storage device 4, can for absorbing and storing the heat of the generation of single battery 2 between two pieces of flat-plate heat pipes 3
Play the role of samming, heat can also be reversely transmitted to single battery 2, it is fast when single battery 2 is started under cold conditions
Speed reaches suitable temperature.Single battery 2 produces heat and is mainly absorbed and distributed by flat-plate heat pipe 3 in the utility model,
A part of heat that flat-plate heat pipe 3 absorbs at the same time is absorbed by phase-change heat storage device 4, reduces the heat flow density of 3 condensation segment of flat-plate heat pipe,
Reduce air cooled load, improve flat-plate heat pipe 3 and evaporate working medium cycle rate, so as to improve battery radiating rate and efficiency.
Meanwhile the contacts side surfaces of phase-change heat storage device 4 and single battery, phase-change material can absorb the partial heat of single battery, into one
Step reduces the temperature of battery.
The pin-type fins 321 for being used for accelerating radiating efficiency, pin-type fins 321 and tablet are set on the outer surface of condensation segment 32
The surface of heat pipe 3 is vertical, can increase the heat exchange area with air, accelerates heat dissipation；Board-like wing is set on the outer surface of heat conduction section 33
Piece 331, plate fin 331 is vertical with the surface of flat-plate heat pipe 3, and plate fin 331 is inserted into what is set on phase-change heat storage device 4
In inserting groove 401, in order to which phase-change heat storage device 4 absorbs heat.
Evaporator section 31 is internally provided with nanostructured hydrophilic coating, is conducive to working medium and is uniformly distributed and rapid evaporation；Institute
That states condensation segment 32 is internally provided with nanostructured hydrophobic coating, accelerates working medium and condenses, improves heat dissipation performance.Pass through flat-plate heat pipe
The continuous evaporation and condensation of 3 inside evaporation working medium, the quick heat for absorbing single battery 2 and producing, makes the Temperature Distribution of battery more
Add uniformly.
The surface that flat-plate heat pipe 3 is contacted with single battery 2 sets high heat conduction silica gel, accelerates heat-transfer rate.
Preferably, the outer wall of flat-plate heat pipe 3 is one kind in high heat conduction copper coin or high heat conduction aluminium sheet；Babinet 5 and upper cover 1 by
Low heat conduction plate material is formed.
Phase-change heat storage device 4 includes paraffin class organic phase change material, carbon-based heat conduction support frame, nano-metal particle, highly dense
Spend polyethylene.
Specifically, carbon-based heat conduction support frame is one kind in expanded graphite or foamy carbon；Nano-metal particle is nanometer
One kind in copper, nano aluminum or nano silver；The phase transition temperature of paraffin class organic phase change material selects phase transformation between 35~45 DEG C
Temperature can make the operating temperature of single battery maintain optimum range, carbon in 35~45 DEG C of paraffin class organic phase change material
The thermal conductivity factor of base heat conduction support frame and nano-metal particle coupling and intensifying paraffin class organic phase change material, improving paraffin class has
The complex heat transfer performance of machine phase-change material, setting material of the high density polyethylene (HDPE) as paraffin class organic phase change material main body, prevents
Only paraffin class organic phase change material main body is revealed from carbon-based heat conduction support frame.
As shown in figure 5, the structure chart for upper cover 1；Open up in upper cover 1 and lead to for the electrode for exposing 2 electrode of single battery
Hole 11 and the cooling through hole 12 passed through for cooling air-flow, the bottom of babinet 5 set corresponding through hole, when mounted, 1 court of cover board
The direction or opposite direction advanced to vehicle, make air be flowed through from cooling through hole 12.As shown in Figure 6 A and 6 B, it is respectively
The axonometric drawing and top view of babinet 5, are vertically arranged partition plate 51 in babinet 5, for by single battery 2 and phase-change heat storage device 4 with it is cold
But channel separation, air flow do not impact phase-change heat storage device 4, are set on partition plate 51 and are used to insert spacing flat-plate heat pipe 3
Groove, spacing effect is played to flat-plate heat pipe 3.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice, can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (9)
- A kind of 1. battery thermal management system, it is characterised in that including：Babinet (5), in groove type, for accommodating single battery (2)；Upper cover (1), coordinates installation to form babinet with the babinet (5)；Flat-plate heat pipe (3), its internal sets evaporate working medium；The flat-plate heat pipe (3) includes being closely set in two adjacent institutes State the evaporator section (31) between single battery (2)；The flat-plate heat pipe (3) includes extending outside the single battery (2) Condensation segment (32), the flat-plate heat pipe further include heat conduction section (33), and the evaporator section (31) absorbs the single battery (2) and produces Heat and be transferred to the condensation segment (32)；The flat-plate heat pipe (3) is parallel to the direction of air flow, and air is by adjacent The condensation segment (32) formed passage flow through.
- 2. battery thermal management system according to claim 1, it is characterised in that positioned at two pieces of flat-plate heat pipes (3) it Between be equipped with the phase-change heat storage device (4) that contacts of the heat conduction section (33) fitting, to absorb the heat of the flat-plate heat pipe (3)；Institute State phase-change heat storage device (4) to contact with the side wall fitting of the single battery (2), while absorb the heat of the single battery (2).
- 3. battery thermal management system according to claim 2, it is characterised in that set on the outer surface of the condensation segment (32) Put the pin-type fins (321) for accelerating radiating efficiency；Plate fin (331) is set on the outer surface of the heat conduction section (33), The plate fin (331) is inserted into the inserting groove (401) that is set on the phase-change heat storage device (4).
- 4. battery thermal management system according to claim 2, it is characterised in that being internally provided with for evaporator section (31) is received Rice structure hydrophilic coating, the condensation segment (32) are internally provided with nanostructured hydrophobic coating.
- 5. battery thermal management system according to claim 4, it is characterised in that the flat-plate heat pipe (3) and the monomer The surface of battery (2) contact sets high heat conduction silica gel.
- 6. battery thermal management system according to claim 2, it is characterised in that the outer wall of the flat-plate heat pipe (3) is height Conducting copper plate or high heat conduction aluminium sheet；The babinet (5) and the upper cover (1) are made of low heat conduction plate material.
- 7. battery thermal management system according to claim 2, it is characterised in that the phase-change heat storage device (4) includes paraffin Class organic phase change material, carbon-based heat conduction support frame, nano-metal particle, high density polyethylene (HDPE).
- 8. battery thermal management system according to claim 7, it is characterised in that the phase of the paraffin class organic phase change material Temperature is between 35~45 DEG C；The carbon-based heat conduction support frame is expanded graphite or foamy carbon；The nano-metal particle For Nanometer Copper, nano aluminum or nano silver.
- 9. battery thermal management system according to claim 2, it is characterised in that opened up on the upper cover (1) for making institute State the electrode through hole (11) that single battery (2) electrode exposes and the cooling through hole (12) passed through for cooling air-flow, the babinet (5) bottom sets corresponding through hole；Partition plate (51) is vertically arranged in the babinet (5), for by the single battery (2) and The phase-change heat storage device (4) is isolated with cooling duct, is set on the partition plate (51) and is used to insert the spacing flat-plate heat pipe (3) Groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721113677.1U CN207353325U (en) | 2017-08-31 | 2017-08-31 | A kind of battery thermal management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721113677.1U CN207353325U (en) | 2017-08-31 | 2017-08-31 | A kind of battery thermal management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207353325U true CN207353325U (en) | 2018-05-11 |
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ID=62413181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721113677.1U Expired - Fee Related CN207353325U (en) | 2017-08-31 | 2017-08-31 | A kind of battery thermal management system |
Country Status (1)
| Country | Link |
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| CN (1) | CN207353325U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107346814A (en) * | 2017-08-31 | 2017-11-14 | 广东工业大学 | A kind of battery thermal management system |
| CN109888431A (en) * | 2019-01-22 | 2019-06-14 | 重庆交通大学 | Battery thermal management system |
| CN113782874A (en) * | 2021-08-13 | 2021-12-10 | 哈尔滨工业大学（深圳） | Power battery thermal management system |
-
2017
- 2017-08-31 CN CN201721113677.1U patent/CN207353325U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107346814A (en) * | 2017-08-31 | 2017-11-14 | 广东工业大学 | A kind of battery thermal management system |
| CN107346814B (en) * | 2017-08-31 | 2023-10-27 | 广东工业大学 | Battery thermal management system |
| CN109888431A (en) * | 2019-01-22 | 2019-06-14 | 重庆交通大学 | Battery thermal management system |
| CN113782874A (en) * | 2021-08-13 | 2021-12-10 | 哈尔滨工业大学（深圳） | Power battery thermal management system |
| CN113782874B (en) * | 2021-08-13 | 2023-11-10 | 哈尔滨工业大学（深圳） | Power battery thermal management system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20180831 |