CN209104233U - A kind of the spray pipeline component and battery pack of battery pack - Google Patents
A kind of the spray pipeline component and battery pack of battery pack Download PDFInfo
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- CN209104233U CN209104233U CN201822241378.7U CN201822241378U CN209104233U CN 209104233 U CN209104233 U CN 209104233U CN 201822241378 U CN201822241378 U CN 201822241378U CN 209104233 U CN209104233 U CN 209104233U
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- hole
- spray pipeline
- battery pack
- spray
- element cell
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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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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The embodiment of the present application provides a kind of battery pack and its spray pipeline component, and battery pack includes: shell, and shell has inner cavity；Element cell is set to the inner cavity of shell, and element cell has explosion-proof valve；Spray pipeline component, spray pipeline component include spray pipeline and diversion component；Wherein the diversion component is between spray pipeline and element cell, and diversion component offers first through hole and the second through-hole；First through hole is oppositely arranged with explosion-proof valve.In the application, the diversion component is between element cell and spray pipeline, and the diversion component is provided with first through hole and the second through-hole, when element cell occurs thermal runaway, hot-fluid is discharged from explosion-proof valve, the first through hole can be used in spray liquid and pass through, and the second through-hole can be used in the gas generated after deliverying unit battery thermal runaway, so as to realize the orientation spray of spray liquid, and it is capable of the gas of quick deliverying unit battery generation, improve spraying effect.
Description
[technical field]
This application involves the spray pipeline components and battery pack of energy storage device technical field more particularly to a kind of battery pack.
[background technique]
Safety of electric vehicle accident frequently occurs at present, wherein causing a wherein big factor for electric vehicle safety accident is
The spontaneous combustion of battery.Battery includes cabinet and the element cell for being located in the box body portion, and element cell occurs to discharge high temperature when thermal failure
Hot-fluid is easy to happen burning when contacting with air after high-temperature heat flux leakage, and when hot-fluid is diffused into adjacent-cell battery causes
Battery pack burning, brings serious harm to passenger and driver's personal safety.
Therefore, current power battery usually will increase spraying system of fire fighting, which includes spray pipeline,
When battery core thermal runaway, spray liquid is sprayed from the spray pipeline, realizes fire-fighting.
But the spray pipeline of above-mentioned spraying system of fire fighting cannot achieve the fixed point discharge of spray liquid, and in element cell
Gas also can not quickly be discharged, cause the fire-fighting effect of the spray system poor.
[utility model content]
In view of this, the embodiment of the present application provides the spray pipeline component and battery pack of a kind of battery pack, to solve
The problem of spray liquid in spray pipeline can not pinpoint discharge in the prior art, the gas in element cell can not quickly be discharged.
The embodiment of the present application provides a kind of battery pack, comprising:
Shell, the shell have inner cavity；
Element cell is set to the inner cavity of the shell, and the element cell has explosion-proof valve；
Spray pipeline component, the spray pipeline component includes spray pipeline and diversion component；
Wherein, the diversion component is between the spray pipeline and the element cell, and the diversion component is opened
Equipped with first through hole and the second through-hole；
The first through hole is oppositely arranged with the explosion-proof valve.
Preferably, after being heated, the spray pipeline position opposite with the first through hole is capable of forming opening, spray liquid
It can be discharged through the opening and the first through hole；
Gas in the element cell can be discharged from second through-hole.
Preferably, along the axial L of the spray pipeline, the diversion component includes multiple matching boards and multiple support plates；
The explosion-proof valve of each matching board and element cell is oppositely arranged, and it is logical that described first is opened up on the matching board
Hole；
Each support plate supports the spray pipeline and the corresponding element cell.
Preferably, the axial L of the spray pipeline, the both ends of the matching board are respectively connected with the support plate；
The support plate is provided with second through-hole.
Preferably, the matching board offsets with the spray pipeline, has between the matching board and corresponding explosion-proof valve
Pre-determined distance；Alternatively,
The matching board offsets with corresponding element cell, and has between the matching board and the spray pipeline default
Distance.
Preferably, the diversion component further includes multiple entity plates, and each entity plate is along the spray pipeline
Axial L distribution；
The entity plate is connected with the support plate.
Preferably, the diversion component includes entity plate, axial L of the entity plate along the spray pipeline；
The entity plate offers multiple first through hole, and each first through hole respectively with corresponding unit battery
Explosion-proof valve is oppositely arranged.
Preferably, along the axial L of the spray pipeline, the two sides of the first through hole all have second through-hole.
Preferably, the material of the diversion component includes one of mica, asbestos, metal or a variety of.
Meanwhile the embodiment of the present application also provides a kind of spray pipeline component of battery pack, comprising:
Spray pipeline has inner cavity；
Diversion component, the diversion component is between the spray pipeline and the element cell, and the diversion division
Part offers first through hole and the second through-hole.
In the application, the diversion component is between element cell and spray pipeline, and the diversion component is provided with first
Through-hole and the second through-hole, when element cell occurs thermal runaway, hot-fluid is discharged from explosion-proof valve, which can be used in spraying
Liquid passes through, and the second through-hole can be used in the gas generated after deliverying unit battery thermal runaway, so as to realize determining for spray liquid
To spray, and it is capable of the gas of quick deliverying unit battery generation, improves spraying effect.
[Detailed description of the invention]
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure in spray pipeline component provided herein and the first specific embodiment of element cell cooperation
Schematic diagram；
Fig. 2 is the partial enlarged view of I part in Fig. 1；
Fig. 3 is structural schematic diagram of the diversion component in the first specific embodiment in Fig. 1；
Fig. 4 is the front view of Fig. 3；
Fig. 5 is the top view of Fig. 3；
Fig. 6 is structural schematic diagram of the diversion component in second of specific embodiment.
Appended drawing reference:
1- spray pipeline；
2- diversion component；
21- first through hole；
The second through-hole of 22-；
23- matching board；
24- entity plate；
25- support plate；
3- element cell；
31- explosion-proof valve.
[specific embodiment]
In order to better understand the technical solution of the application, the embodiment of the present application is retouched in detail with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Base
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall in the protection scope of this application.
The term used in the embodiment of the present application is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The application.In the embodiment of the present application and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It should be noted that the nouns of locality such as "upper", "lower" described in the embodiment of the present application, "left", "right" are with attached drawing
Shown in angle come what is be described, should not be construed as the restriction to the embodiment of the present application.In addition, within a context, it is also necessary to
Understand, when mentioning an element and being connected to another element "upper" or "lower", can not only be connected directly between another
Perhaps "lower" can also be indirectly coupled to another element "upper" or "lower" by intermediary element for one element "upper".
The spray system of battery pack includes spray pipeline, has spray liquid in spray pipeline, when element cell thermal runaway,
Spray liquid is discharged from the spray pipeline, realizes fire-fighting.In the application, a kind of spray pipeline component is provided, when in battery pack
When element cell thermal runaway, the fixed point discharge for realizing spray liquid can aid in, to improve the accurate of spray system spray
Property, and then improve spraying effect.The specific structure of the spray pipeline component is as described below.
With reference to shown in attached drawing 1~6, wherein Fig. 1 is the of spray pipeline component provided herein and element cell cooperation
A kind of structural schematic diagram in specific embodiment；Fig. 2 is the partial enlarged view of I part in Fig. 1；Fig. 3 is diversion component in Fig. 1
Structural schematic diagram in the first specific embodiment；Fig. 4 is the front view of Fig. 3；Fig. 5 is the top view of Fig. 3；Fig. 6 is water conservancy diversion
Structural schematic diagram of the component in second of specific embodiment.
The embodiment of the present application provides a kind of battery pack and its spray pipeline component, wherein as shown in Figure 1, the battery pack packet
Include: shell (not shown), the shell have inner cavity；One or more element cells 3, element cell 3 are located at the interior of shell
Chamber, when including multiple element cells 3, each unit battery 3 is placed in the inner cavity of shell to preset aligned transfer.
Wherein, as shown in Fig. 2, in the battery pack, element cell 3 is provided with explosion-proof valve 31, when the element cell 3 occurs
When thermal runaway, the internal hot-fluid for generating high temperature and pressure, the explosion-proof valve 31 is for being discharged hot-fluid, to reduce the element cell 3 combustion
Quick-fried risk, and when hot-fluid is discharged from explosion-proof valve 31, which may cause adjacent-cell battery 3 and burns.For
The risk for causing adjacent-cell battery 3 to burn when reducing certain 3 thermal runaway of element cell, the battery pack are provided with spray system,
For reducing the diffusion of hot-fluid, the safety of battery pack is improved.
But since spray liquid cannot achieve fixed point discharge, and the gas in element cell 3 can not quickly be discharged, and lead to the spray
The fire-fighting effect of leaching system is poor.In the application, spray pipeline component is added in the battery pack, to realize spray liquid
Fixed point discharge, meanwhile, the gas in element cell 3 can quickly be discharged, and will not influence the injection of spray liquid, to improve spray
Effect, the risk that spreads to adjacent-cell battery 3 of hot-fluid, improves the safety of the battery pack when reducing by 3 thermal runaway of element cell
Property.
Specifically, in embodiment as depicted in figs. 1 and 2, which includes spray pipeline 1, wherein the spray
Shower pipe road 1 has inner cavity, and its inner cavity accommodates spray liquid.The spray pipeline component further includes diversion component 2, the diversion component
2 between spray pipeline 1 and the element cell 3 of the battery pack, and diversion component 2 offers first through hole 21 and second
Through-hole 22.
In the application, the diversion component 2 is between element cell 3 and spray pipeline 1, and the diversion component 2 is provided with
First through hole 21 and the second through-hole 22, when element cell 3 occurs thermal runaway, hot-fluid is discharged from explosion-proof valve 31, the first through hole
21, which can be used in spray liquid, passes through, and the second through-hole 22 can be used in the gas generated after 3 thermal runaway of deliverying unit battery, so as to
It enough realizes the orientation spray of spray liquid, and is capable of the gas of quick 3 generation of deliverying unit battery, improve spraying effect.
Specifically, after element cell 3 is heated, the position opposite with first through hole 21 of spray pipeline 1 is capable of forming opening, spray
Drenching liquid can be discharged through the opening and first through hole 21, meanwhile, the gas which generates can from this second
Through-hole 22 is discharged.
When 1 heating temperature of spray pipeline reaches 500 DEG C or more (such as 660 DEG C), 1 tube wall of spray pipeline and first leads to
The opposite position in hole 21 is capable of forming opening, and spray liquid can be discharged through opening and first through hole 21.When unit electricity in battery pack
Pond 3 occur thermal runaway when, spray hot-fluid out of the element cell 3 explosion-proof valve 31, the temperature of the hot-fluid at 500 DEG C or more, because
This, enables to spray pipeline 1 to form opening.And after spray pipeline 1 is impacted by hot-fluid, there is part in the position being hit
The case where rupture or completely fracture, no matter spray pipeline 1 ruptures in which way, as long as being capable of forming opening, the opening
Realize the discharge of spray liquid, i.e., spray pipeline 11 no matter in which way, form the opening of which kind of shape, be in the application
Protection scope in.Meanwhile the gas in the element cell 3 of battery pack can be discharged from the second through-hole 22, to will not influence
The injection of spray liquid improves the effect of spray.
Specifically, in the first specific embodiment as shown in Figure 2-5, axial L of the diversion component 2 along spray pipeline 1
Setting, and diversion component 2 includes multiple matching boards 23 and multiple support plates 25, forms bulge-structure；Each matching board 23 and unit
The explosion-proof valve 31 of battery 3 is oppositely arranged, and first through hole 21 is opened up on matching board 23, enables to spray pipeline 1 by thermosetting
After opening, spray liquid can be open to be discharged from first through hole 21；Each support plate 25 supports spray pipeline 1 and corresponding unit electricity
Pond 3.
In embodiment as shown in Figure 3 and Figure 4, along the axial L of spray pipeline 1, the both ends of matching board 23 are respectively connected with branch
Fagging 25, the matching board 23 is parallel with the upper surface of element cell 3, meanwhile, support plate 25 is vertically connected with the matching board 23.
Each support plate 25 is provided with the second through-hole 22, can make in the element cell 3 of battery pack because by thermogenetic gas promptly
It is discharged from the second through-hole 22.
Therefore, in the present embodiment, after 3 thermal runaway of element cell, the first through hole 21 in the diversion component 2 can be realized spray
The orientation spray of spray liquid in shower pipe road 1, the second through-hole 22 is used for the gas being discharged in the element cell 3, to further mention
The effect of height spray.
Further, when the matching board 23 of the diversion component 2 is placed between spray pipeline 1 and element cell 3, have two
Kind mode: first, the matching board 23 and the bottom wall of spray pipeline 1 of diversion component 2 offset, at this point, above-mentioned matching board 23 is close to spray
Shower pipe road 1 has pre-determined distance (when support plate 25 is perpendicular to matching board 23 between the explosion-proof valve 31 of corresponding element cell 3
When, the pre-determined distance is equal with the height of support plate 25)；Second, 2 matching boards 23 of the diversion component and corresponding element cell
3 offset, at this point, explosion-proof valve 31 of the above-mentioned matching board 23 close to spray element cell 3, has pre-determined distance between spray pipeline 1
(when support plate 25 is perpendicular to matching board 23, the pre-determined distance is equal with the height of support plate 25).
Further, as shown in figs. 2 to 4, which further includes multiple entity plates 24, and each entity plate 24 is along spray
The axial L of pipeline 1 is arranged；And above-mentioned matching board 23 is connect with the structure that support plate 25 forms by entity plate 24, and Fig. 4 institute is formed
The structure shown.Meanwhile as shown in figure 5, offer multiple first through hole 21 on each entity plate 24, and each first through hole 21 is distinguished
It is oppositely arranged with the explosion-proof valve 31 of corresponding unit battery 3, wherein after the first through hole 21 is used for thermal runaway, spray pipeline 1 circulates
Spray liquid can through opening and first through hole 21 be discharged.
Therefore, the spray pipeline component in the embodiment includes structure described in above-described embodiment, that is, includes above-mentioned heated
Weak area further includes above-mentioned diversion component 2, can further increase accuracy when spray liquid sprays.
Specifically, in the embodiment, the first through hole 21 and 22 phase of the second through-hole of diversion component 2 of above-mentioned diversion component 2
To setting, so set, because can be promptly from 22 row of the second through-hole by thermogenetic gas in the element cell 3 of battery pack
Out, while not the opening that heated rear spray pipeline 1 is formed is influenced, so that the spray liquid that spray pipeline 1 circulates is through opening and first
Through-hole 21 is discharged, to further increase the accuracy of spray.
In second of specific embodiment, as shown in fig. 6, the diversion component 2 includes entity plate 24, and 24 edge of entity plate
The axial L of spray pipeline extends, which offers multiple first through hole 21, and each first through hole 21 is electric with unit respectively
The explosion-proof valve 31 in pond 3 is correspondingly arranged.
Therefore, in the present embodiment, which is the plate structure for being provided with first through hole 21.
Further, as shown in fig. 6, along spray pipeline axial L, it is logical that the two sides of first through hole 21 all have above-mentioned second
Hole 22.Internal to generate a large amount of gas when 3 thermal runaway of element cell, therefore, which is used for deliverying unit
Gas in battery 3.
Specifically, as shown in fig. 6, in the diversion component 2, first through hole 21 is slot, which can
The explosion-proof valve 31 of element cell 3 is completely covered, meanwhile, two second through-holes 22 can be semi-circular hole, and the semi-circular hole is close to rectangular
The setting of shape hole, the first through hole 21 of the shape and the second through-hole 22 can save space.
In the above various embodiments, the material of the diversion component 2 includes one of mica, asbestos, metal or a variety of, i.e., should
Diversion component 2 is made of heat proof material, when being impacted by hot-fluid, is not easy to be destroyed.
The spray pipeline component can be used for battery pack, prevents hot-fluid when 3 thermal runaway of element cell in battery pack from spreading, plays
The purpose of fire extinguishing, meanwhile, which can also be used in other occasions for needing to put out a fire.
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the application protection.
Claims (10)
1. a kind of battery pack characterized by comprising
Shell, the shell have inner cavity；
Element cell is set to the inner cavity of the shell, and the element cell has explosion-proof valve；
Spray pipeline component, the spray pipeline component includes spray pipeline and diversion component；
Wherein, the diversion component is between the spray pipeline and the element cell, and the diversion component offers
First through hole and the second through-hole；
The first through hole is oppositely arranged with the explosion-proof valve.
2. battery pack according to claim 1, which is characterized in that after heated, the spray pipeline and the first through hole
Opposite position is capable of forming opening, and spray liquid can be discharged through the opening and the first through hole；
Gas in the element cell can be discharged from second through-hole.
3. battery pack according to claim 1, which is characterized in that along the axial L of the spray pipeline, the diversion component
Including multiple matching boards and multiple support plates；
The explosion-proof valve of each matching board and element cell is oppositely arranged, and the first through hole is opened up on the matching board；
Each support plate supports the spray pipeline and the corresponding element cell.
4. battery pack according to claim 3, which is characterized in that the axial L of the spray pipeline, the two of the matching board
End is respectively connected with the support plate；
The support plate is provided with second through-hole.
5. battery pack according to claim 3, which is characterized in that the matching board offsets with the spray pipeline, described
There is pre-determined distance between matching board and corresponding explosion-proof valve；Alternatively,
The matching board offsets with corresponding element cell, and have between the matching board and the spray pipeline it is default away from
From.
6. battery pack according to claim 3, which is characterized in that the diversion component further includes multiple entity plates, each institute
The axial L that entity plate is stated along the spray pipeline is distributed；
The entity plate is connected with the support plate.
7. battery pack according to claim 2, which is characterized in that the diversion component includes entity plate, the entity plate
Axial L along the spray pipeline extends；
The entity plate offers multiple first through hole, and each first through hole is explosion-proof with corresponding unit battery respectively
Valve is oppositely arranged.
8. battery pack according to claim 7, which is characterized in that along the axial L of the spray pipeline, the first through hole
Two sides all have second through-hole.
9. battery pack described according to claim 1~any one of 8, which is characterized in that the material of the diversion component includes
One of mica, asbestos, metal are a variety of.
10. a kind of spray pipeline component of battery pack characterized by comprising
Spray pipeline has inner cavity；
Diversion component, the diversion component is between the spray pipeline and element cell, and the diversion component offers
First through hole and the second through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822241378.7U CN209104233U (en) | 2018-12-28 | 2018-12-28 | A kind of the spray pipeline component and battery pack of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822241378.7U CN209104233U (en) | 2018-12-28 | 2018-12-28 | A kind of the spray pipeline component and battery pack of battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN209104233U true CN209104233U (en) | 2019-07-12 |
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| CN201822241378.7U Active CN209104233U (en) | 2018-12-28 | 2018-12-28 | A kind of the spray pipeline component and battery pack of battery pack |
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| CN112332013A (en) * | 2019-09-26 | 2021-02-05 | 宁德时代新能源科技股份有限公司 | Battery pack, vehicle and control method for relieving thermal runaway spread of battery pack |
| CN112331990A (en) * | 2019-09-26 | 2021-02-05 | 宁德时代新能源科技股份有限公司 | Battery pack, vehicle and control method for relieving thermal runaway spread of battery pack |
| WO2021023033A1 (en) * | 2019-08-08 | 2021-02-11 | 宁德时代新能源科技股份有限公司 | Fire-fighting fluid storage device, battery pack, and electric vehicle |
| WO2022082389A1 (en) * | 2020-10-19 | 2022-04-28 | 江苏时代新能源科技有限公司 | Battery, power utilization device, and battery preparation method and apparatus |
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| CN115472964A (en) * | 2022-11-14 | 2022-12-13 | 中创新航科技股份有限公司 | Battery package and consumer |
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