CN206432350U - Battery liquid cooling device and battery system - Google Patents
Battery liquid cooling device and battery system Download PDFInfo
- Publication number
- CN206432350U CN206432350U CN201720101953.6U CN201720101953U CN206432350U CN 206432350 U CN206432350 U CN 206432350U CN 201720101953 U CN201720101953 U CN 201720101953U CN 206432350 U CN206432350 U CN 206432350U
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- China
- Prior art keywords
- battery
- liquid cooling
- hole
- hot melt
- utility
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- 238000001816 cooling Methods 0.000 title claims abstract description 83
- 239000007788 liquid Substances 0.000 title claims abstract description 78
- 239000012943 hotmelt Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000000110 cooling liquid Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000010622 cold drawing Methods 0.000 claims 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000002826 coolant Substances 0.000 abstract description 7
- 239000000155 melt Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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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- Secondary Cells (AREA)
Abstract
The utility model relates to a battery liquid cooling plant and battery system, this battery liquid cooling plant include the liquid cooling board, at least one through-hole has been seted up on the liquid cooling board, at least one through-hole with coolant liquid runner intercommunication in the liquid cooling board, just at least one through-hole is sealed by hot melt material, hot melt material is suitable for and melts after the battery thermal runaway that corresponds with the through-hole that seals. Under the battery normal condition, the utility model provides a battery liquid cooling plant plays normal cooling function, when the battery takes place the thermal runaway, the utility model provides a battery liquid cooling plant plays extinguishing device's function. And simultaneously, because the utility model discloses a structure is very simple, sets up the through-hole on the liquid cooling board to it is sealed to the through-hole to use hot melt material, does not have newly-increased spare part, consequently does not have increase weight, thereby guarantees that battery system energy density does not descend.
Description
Technical field
The utility model is related to battery protection technical field, more particularly, to a kind of battery liquid cooling apparatus and battery system.
Background technology
Battery system is in the state of overcharge, and battery temperature can be raised, can be on fire under serious conditions.At present, in order to
Ensure that the safe handling of battery system typically uses battery management system (BATTERYMANAGEMENT SYSTEM, abbreviation BMS)
It is monitored, this is a kind of active safety safeguard procedures.
But, there is also certain failure risk, when battery management system fails, battery system for battery management system
Safe handling will be unable to ensure.Because battery system is formed by connecting by multiple batteries, when single battery thermal runaway, if can not
Effectively control, easily feeds through to other batteries, so as to cause the thermal runaway of whole battery system, it is therefore desirable to increase fire extinguishing dress
Put.However, battery system requires high to energy density, if being further added by related components, system weight certainly will be increased, made
The energy density for obtaining battery system declines.
Therefore, it is necessary to provide a kind of device that can be put out a fire and battery system energy density can be ensured.
Utility model content
(1) technical problem solved
For disadvantages described above, the utility model provides a kind of battery liquid cooling apparatus and battery system, solves battery system
System can ensure the technical problem of battery system energy density again while fire extinguishing.
(2) technical scheme
In a first aspect, offered on the battery liquid cooling apparatus that the utility model is provided, including liquid cooling plate, the liquid cooling plate to
A few through hole, at least one described through hole is connected with the cooling liquid flowing channel in the liquid cooling plate, and at least one described through hole
Sealed by hot melt material, the hot melt material be suitable to sealedly melt after the corresponding battery thermal runaway of through hole.
Optionally, at least one described through hole is opened at the position that the liquid cooling plate is contacted with battery.
Optionally, at least one described through hole is opened at the position that the liquid cooling plate is contacted with each battery.
Optionally, at least one described through hole is sealed by the hot melt material in the outer surface of the liquid cooling plate.
Optionally, a diameter of 0.8mm~1mm of at least one through hole.
Optionally, the hot melt material is fuse metal or alloy.
Optionally, the number of the liquid cooling plate is multiple.
Second aspect, the battery system that the utility model is provided, including several batteries, in addition to any of the above-described battery fluid
Liquid cooling plate in device for cooling, the battery liquid cooling apparatus contacts setting with each battery.
(3) beneficial effect
Battery liquid cooling apparatus and battery system that the utility model is provided, in the state of normal battery operation, battery
Surface temperature is relatively low, now because through hole is sealed by hot melt material, can make the coolant in liquid cooling plate in cooling liquid flowing channel
Proper flow, the function of normally cooling down is played to battery.When thermal runaway occurs for battery, such as when occurring on fire, battery surface
Temperature rise so that in through hole hot melt material fusing, so that through hole be opened, the coolant in liquid cooling plate is in inside and outside differential pressure
In the presence of sprayed from through hole, play stronger cooling effect, extinguish battery flame.It can be seen that, in battery under normal circumstances, this reality
Normal refrigerating function is played with the battery liquid cooling apparatus of new offer, when thermal runaway occurs for battery, the utility model is provided
Battery liquid cooling apparatus play the function of extinguishing device.Simultaneously as structure of the present utility model is very simple, it is in liquid cooling plate
On open up through hole, and through hole is sealed with hot melt material, does not newly increase parts, therefore do not increase weight, so as to ensure
Battery system energy density does not decline.The entirely autonomous action of battery liquid cooling apparatus that the utility model is provided, without thinking dry
In advance, manpower is both saved, and more can guarantee that the security during battery use.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present disclosure or technical scheme of the prior art
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some disclosed embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these figures.
Fig. 1 shows the overall structural representation of battery system in the embodiment of the utility model one；
Fig. 2 shows the local structural representation of battery system in the embodiment of the utility model one；
Description of reference numerals：
1- liquid cooling plates；11- through holes；12- cooling liquid flowing channels；13- hot melt materials；2- batteries.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present disclosure, the technical scheme in the embodiment of the present disclosure is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole embodiments.
Based on the embodiment in the disclosure, it is all that those of ordinary skill in the art are obtained under the premise of creative work is not made
Other embodiment, belongs to the scope of disclosure protection.
In a first aspect, the utility model provides a kind of battery liquid cooling apparatus, as illustrated in fig. 1 and 2, the device includes liquid cooling plate
1, offer at least one through hole 11 on the liquid cooling plate 1, at least one described through hole 11 with the cooling in the liquid cooling plate 1
Liquid runner 12 is connected, and at least one described through hole 11 is sealed by hot melt material 13, the hot melt material 13 be suitable to institute
Melted after the corresponding thermal runaway of battery 2 of sealed through hole 11.
The battery liquid cooling apparatus that the utility model is provided, in the state of the normal work of battery 2, the surface temperature of battery 2
It is relatively low, now because through hole 11 is sealed by hot melt material 13, can make the coolant in liquid cooling plate 1 in cooling liquid flowing channel 12 just
Permanent current is moved, and the function of normally cooling down is played to battery 2.When thermal runaway occurs for battery 2, such as when occurring on fire, the surface of battery 2
Temperature rise so that the hot melt material 13 in through hole 11 melts, so that through hole 11 be opened, the coolant in liquid cooling plate 1 exists
Sprayed in the presence of inside and outside differential pressure from through hole 11, play stronger cooling effect, extinguish battery flame.It can be seen that, it is normal in battery 2
In the case of, the battery liquid cooling apparatus that the utility model is provided plays normal refrigerating function, when thermal runaway occurs for battery 2, this
The battery liquid cooling apparatus that utility model is provided plays the function of extinguishing device.Simultaneously as structure of the present utility model is very simple
It is single, it is that through hole 11 is opened up on liquid cooling plate 1, and through hole 11 is sealed with hot melt material 13, parts are not newly increased, therefore do not have
There is increase weight, so as to ensure that battery system energy density does not decline.The battery liquid cooling apparatus that the utility model is provided is complete
Autonomous action, without thinking to intervene, both saves manpower, and more can guarantee that the security during battery use.
In the specific implementation, in order that the hot melt material 13 of sealing through hole 11 more sensitively perceives battery surface temperature
Above-mentioned through hole 11, can be opened at the position that liquid cooling plate 1 is contacted with battery 2, can also make above-mentioned through hole 11 by institute by change
State hot melt material 13 to seal in the outer surface of the liquid cooling plate 1, through hole 11 both can also be opened in liquid cooling plate 1 and be connect with battery 2
At tactile position, the hot melt material 13 is sealed above-mentioned through hole 11 in the outer surface of the liquid cooling plate 1, can also adopt certainly
The sensitivity of battery surface temperature is perceived with other modes or raising hot melt material 13.Further, can also be by through hole
11 are arranged at the position that liquid cooling plate 1 is contacted with each battery, so when thermal runaway occurs for any one battery, Ke Yirong
Change the hot melt material 13 in the through hole 11 contacted with the thermal runaway battery, so as to open the through hole contacted with the thermal runaway battery
11, and the through hole 11 at other positions is not switched on, so as to ensure that the normal work of the battery of thermal runaway does not occur for other, so as to have
The raising passive security barrier propterty of effect.
In the specific implementation, the size of through hole 11 can be set according to actual conditions, and such as diameter is in 0.8mm~1mm models
In enclosing, this utility model is not limited.
In the specific implementation, above-mentioned hot melt material 13 can use fuse metal or alloy, and the species of metal or alloy can
Selected with the difference according to battery variety, this utility model is not limited.
In the specific implementation, if the battery number in battery system is relatively more, multiple above-mentioned liquid cooling plates 1 can be set, with
Ensure that the normal of each battery is used in battery system.
Second aspect, the utility model also provides a kind of battery system, including several batteries 2, in addition to any of the above-described
Liquid cooling plate 1 in battery liquid cooling apparatus, the battery liquid cooling apparatus contacts setting with each battery 2.
It will be appreciated that the battery system that second aspect is provided includes the battery liquid cooling apparatus that first aspect is provided, it is relevant
Explanation, explanation, optional embodiment, beneficial effect of content etc. may be referred in the battery liquid cooling apparatus of first aspect offer
Appropriate section, will not be repeated here.
In summary：
Battery liquid cooling apparatus and battery system that the utility model is provided, in the state of normal battery operation, battery
Surface temperature is relatively low, now because through hole is sealed by hot melt material, can make the coolant in liquid cooling plate in cooling liquid flowing channel
Proper flow, the function of normally cooling down is played to battery.When thermal runaway occurs for battery, such as when occurring on fire, battery surface
Temperature rise so that in through hole hot melt material fusing, so that through hole be opened, the coolant in liquid cooling plate is in inside and outside differential pressure
In the presence of sprayed from through hole, play stronger cooling effect, extinguish battery flame.It can be seen that, in battery under normal circumstances, this reality
Normal refrigerating function is played with the battery liquid cooling apparatus of new offer, when thermal runaway occurs for battery, the utility model is provided
Battery liquid cooling apparatus play the function of extinguishing device.Simultaneously as structure of the present utility model is very simple, it is in liquid cooling plate
On open up through hole, and through hole is sealed with hot melt material, does not newly increase parts, therefore do not increase weight, so as to ensure
Battery system energy density does not decline.The entirely autonomous action of battery liquid cooling apparatus that the utility model is provided, without thinking dry
In advance, manpower is both saved, and more can guarantee that the security during battery use.
In addition, in specification of the present utility model, numerous specific details are set forth.It is to be appreciated, however, that the utility model
Embodiment can be put into practice in the case of these details.In some instances, known side is not been shown in detail
Method, structure and technology, so as not to obscure the understanding of this description.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing reality
Example is applied the utility model is described in detail, it will be understood by those within the art that；It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and model of each embodiment technical scheme of the utility model
Enclose.
Claims (8)
1. a kind of battery liquid cooling apparatus, it is characterised in that including liquid cooling plate, offers at least one through hole on the liquid cooling plate,
At least one described through hole is connected with the cooling liquid flowing channel in the liquid cooling plate, and at least one described through hole is close by hot melt material
Envelope, the hot melt material be suitable to sealedly melt after the corresponding battery thermal runaway of through hole.
2. battery liquid cooling apparatus according to claim 1, it is characterised in that at least one described through hole is opened in the liquid
At the position that cold drawing is contacted with battery.
3. battery liquid cooling apparatus according to claim 2, it is characterised in that at least one described through hole is opened in the liquid
At the position that cold drawing is contacted with each battery.
4. battery liquid cooling apparatus according to claim 1, it is characterised in that at least one described through hole is by the hot melt material
Expect to seal in the outer surface of the liquid cooling plate.
5. battery liquid cooling apparatus according to claim 1, it is characterised in that at least one through hole it is a diameter of
0.8mm~1mm.
6. battery liquid cooling apparatus according to claim 1, it is characterised in that the hot melt material is fuse metal or conjunction
Gold.
7. according to any described battery liquid cooling apparatus of claim 1~6, it is characterised in that the number of the liquid cooling plate is many
It is individual.
8. a kind of battery system, including several batteries, it is characterised in that also including any described battery of claim 1~7
Liquid cooling plate in liquid cooling apparatus, the battery liquid cooling apparatus contacts setting with each battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720101953.6U CN206432350U (en) | 2017-01-26 | 2017-01-26 | Battery liquid cooling device and battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720101953.6U CN206432350U (en) | 2017-01-26 | 2017-01-26 | Battery liquid cooling device and battery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206432350U true CN206432350U (en) | 2017-08-22 |
Family
ID=59590660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720101953.6U Active CN206432350U (en) | 2017-01-26 | 2017-01-26 | Battery liquid cooling device and battery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206432350U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654417A (en) * | 2017-01-26 | 2017-05-10 | 合肥国轩高科动力能源有限公司 | Battery liquid cooling device and battery system |
| CN109037832A (en) * | 2018-06-28 | 2018-12-18 | 合肥国轩高科动力能源有限公司 | Battery liquid cooling device and battery system |
| CN110112507A (en) * | 2019-05-23 | 2019-08-09 | 华霆（合肥）动力技术有限公司 | Heat management device, power-supply system and thermal management algorithm |
| CN112103416A (en) * | 2019-06-17 | 2020-12-18 | 上汽通用汽车有限公司 | Battery and safe battery system |
-
2017
- 2017-01-26 CN CN201720101953.6U patent/CN206432350U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654417A (en) * | 2017-01-26 | 2017-05-10 | 合肥国轩高科动力能源有限公司 | Battery liquid cooling device and battery system |
| CN106654417B (en) * | 2017-01-26 | 2023-04-11 | 合肥国轩高科动力能源有限公司 | Battery liquid cooling device and battery system |
| CN109037832A (en) * | 2018-06-28 | 2018-12-18 | 合肥国轩高科动力能源有限公司 | Battery liquid cooling device and battery system |
| CN110112507A (en) * | 2019-05-23 | 2019-08-09 | 华霆（合肥）动力技术有限公司 | Heat management device, power-supply system and thermal management algorithm |
| CN110112507B (en) * | 2019-05-23 | 2021-02-12 | 华霆（合肥）动力技术有限公司 | Thermal management device, power supply system and thermal management method |
| CN112103416A (en) * | 2019-06-17 | 2020-12-18 | 上汽通用汽车有限公司 | Battery and safe battery system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |