CN107537111A - Battery case automatic extinguishing device - Google Patents
Battery case automatic extinguishing device Download PDFInfo
- Publication number
- CN107537111A CN107537111A CN201710932297.9A CN201710932297A CN107537111A CN 107537111 A CN107537111 A CN 107537111A CN 201710932297 A CN201710932297 A CN 201710932297A CN 107537111 A CN107537111 A CN 107537111A
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- China
- Prior art keywords
- battery case
- accommodating cavity
- extinguishing device
- case automatic
- housing
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Abstract
The present invention discloses a kind of battery case automatic extinguishing device, the battery case automatic extinguishing device includes housing and layer of thermoplastic material, the surface of the housing forms multiple first through hole through housing, the thermoplastic material covers the first through hole of the housing, second accommodating cavity of the housing formed with the first accommodating cavity and receiving battery, second accommodating cavity is placed in first accommodating cavity, extinguishing chemical is filled with first accommodating cavity, battery rear layer of thermoplastic material on fire out of control is formed cut by thermal softening, first accommodating cavity discharges extinguishing chemical to second accommodating cavity.Technical solution of the present invention can simplify the structure of battery case automatic extinguishing device, and improve the performance of battery case automatic extinguishing device.
Description
Technical field
The present invention relates to battery case technical field, more particularly to a kind of battery case automatic extinguishing device.
Background technology
Battery case automatic extinguishing device in the market generally comprises fire detecting system and extinguishing device two parts, fire
Calamity detection system includes detector, and analysis module and main frame are formed, and detector is used for the work shape for detecting the battery in battery case
State, detector can send IP signals to corresponding analysis when battery occurs abnormal, and the signal is reached main frame, main frame by analysis module
After judging, signal is sent to warning device, after alarm signal sends 10s-30s, main frame can export another electric signal to
Fire extinguishing system, fire extinguishing system will be automatically opened up, and extinguishing chemical is injected in corresponding battery case, implement fire extinguishing.
When some electronic product break down easily cause fire extinguishing system can not normal work, and such battery case goes out
Fiery device includes extinguishing agent storage vessel, conveyance conduit, connector, magnetic valve, nozzle etc., can so make battery case self-extinguishing
Apparatus structure is complicated, and the performance of battery case automatic extinguishing device is not high.
The content of the invention
The main object of the present invention is to provide a kind of battery case automatic extinguishing device, it is intended to simplifies battery case self-extinguishing dress
The structure put, and improve the performance of battery case automatic extinguishing device 1.
To achieve the above object, battery case automatic extinguishing device provided by the invention, including housing and layer of thermoplastic material, institute
The surface for stating housing forms multiple first through hole through housing, and the thermoplastic material covers the first through hole of the housing, institute
Second accommodating cavity of the housing formed with the first accommodating cavity and receiving battery is stated, it is accommodating that second accommodating cavity is placed in described first
Intracavitary, first accommodating cavity is interior to be filled with extinguishing chemical, and battery rear layer of thermoplastic material on fire out of control is formed cut, institute by thermal softening
State the first accommodating cavity and discharge extinguishing chemical to second accommodating cavity.
Alternatively, the layer of thermoplastic material includes nylon, haloflex and polyvinyl chloride, the nylon, the chlorination
Polyethylene, the weight ratio of the polyvinyl chloride are：Nylon：Haloflex：Polyvinyl chloride=(85~97) %：(2~9) %：
(1~6) %.
Alternatively, the nylon, the haloflex, the weight ratio of the polyvinyl chloride are：Nylon：Chlorinated polyethylene
Alkene：Polyvinyl chloride=(90~95) %：(3~6) %：(2~4) %.
Alternatively, the thickness h of the housing is 1.8≤h≤2.2mm.
Alternatively, the thickness h of the housing is h=2mm.
Alternatively, the housing include lateral wall, connection wall and and madial wall, the connection wall connect the lateral wall and
The madial wall, the madial wall, which encloses, to be set to form second accommodating cavity, and the lateral wall, connection wall and madial wall are collectively forming
First accommodating cavity.
Alternatively, the connection wall is provided with the second through hole, and second through hole runs through the connection wall, and the battery case is certainly
Dynamic extinguishing device also includes valve, and the valve is installed on second through hole, and controls the extinguishing chemical to be filled in described
One accommodating cavity.
Alternatively, the battery case automatic extinguishing device also includes supporting plate, the supporting plate be located at the lateral wall and
Between the madial wall.
Alternatively, the aperture d of the first through hole is 0.2mm≤d≤0.3mm.
Alternatively, the extinguishing chemical is fluorination ketone extinguishing chemical.
Technical scheme is by forming the first accommodating cavity in housing and accommodating the second accommodating cavity of battery, and with hot
The plastic bed of material is covered in the first through hole of housing.When the battery for being contained in the second accommodating cavity occurs abnormal, some or multiple electricity
The temperature in pond can be raised, and the layer of thermoplastic material near battery will be softened, and the extinguishing chemical being filled in the first accommodating cavity
With the rise meeting rapid vaporization of temperature, make the pressure in the first accommodating cavity increasing.When the internal pressure of the first accommodating cavity
When reaching critical value, the layer of thermoplastic material nearest from heating battery can rupture to form cut, and extinguishing chemical sprays to rapidly heating
Battery, because extinguishing chemical has completely cut off air, battery will not catching fire, and amount of heat can be absorbed when extinguishing chemical vaporizes, electricity
The temperature in pond will soon lower.In this way, technical scheme can simplify the structure of battery case automatic extinguishing device,
And improve the performance of battery case automatic extinguishing device.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the structural representation of the embodiment of battery case automatic extinguishing device one of the present invention；
Fig. 2 is the top view of battery case automatic extinguishing device of the present invention；
Fig. 3 is the sectional view along B-B direction of battery case automatic extinguishing device of the present invention；
Fig. 4 is partial enlarged drawing of the battery case automatic extinguishing device at A in Fig. 1.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Battery case automatic extinguishing device | 17 | First accommodating cavity |
| 10 | Housing | 19 | First through hole |
| 11 | Lateral wall | 30 | Layer of thermoplastic material |
| 13 | Madial wall | 50 | Supporting plate |
| 131 | Second accommodating cavity | 70 | Valve |
| 15 | Connection wall | 90 | Extinguishing chemical |
| 151 | Second through hole |
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining the relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., if should
When particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, the description for being related to " first ", " second " etc. in the present invention is only used for describing purpose, and it is not intended that referring to
Show or imply its relative importance or imply the quantity of the technical characteristic indicated by indicating.Thus, " first ", " are defined
At least one this feature can be expressed or be implicitly included to two " feature.In addition, the technical scheme between each embodiment can
To be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme occurs
It is conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the protection model of application claims
Within enclosing.
The present invention proposes a kind of battery case automatic extinguishing device 100.
Referring to figs. 1 to 4, the battery case automatic extinguishing device 100 that technical solution of the present invention proposes includes housing 10 and thermoplastic
Material layer 30, the surface of housing 10 form multiple first through hole 19 through housing 10, and thermoplastic material covers the first of housing 10
Through hole 19, second accommodating cavity 131 of the housing 10 formed with the first accommodating cavity 17 and receiving battery, the second accommodating cavity 131 are placed in
In first accommodating cavity 17, extinguishing chemical 90 is filled with the first accommodating cavity 17, battery rear layer of thermoplastic material 30 on fire out of control is heated soft
Change forms cut, and the first accommodating cavity 17 discharges extinguishing chemical 90 to the second accommodating cavity 131.
Technical scheme is by forming the first accommodating cavity 17 in housing 10 and accommodating the second accommodating cavity of battery
131, and it is covered in layer of thermoplastic material 30 first through hole 19 of housing 10.When the battery for being contained in the second accommodating cavity 131 occurs
When abnormal, the temperature of some or multiple batteries can be raised, and the layer of thermoplastic material 30 near battery will be softened, and be filled in
Extinguishing chemical 90 in first accommodating cavity 17 with temperature rise can rapid vaporization, make pressure in the first accommodating cavity 17 increasingly
Greatly.When the internal pressure of the first accommodating cavity 17 reaches critical value, the layer of thermoplastic material 30 nearest from heating battery can rupture
Form cut, extinguishing chemical 90 sprays to rapidly the battery of heating, because extinguishing chemical 90 has completely cut off air, battery will not catching fire,
And extinguishing chemical 90 can absorb amount of heat when vaporizing, and the temperature of battery will soon lower.In this way, the technical side of the present invention
Case can simplify the structure of battery case automatic extinguishing device 100, and improve the performance of battery case automatic extinguishing device 100.
In the present embodiment, the substantially cuboid of housing 10, the material selection of housing 10 have the material of certain structural strength
Matter is made, can heat conduction, and fusing point is higher.Specifically, the housing 10 can use the materials such as iron, copper or aluminium to make.The housing
10 medial recess form the second accommodating cavity 131 of set battery, second accommodating cavity 131 also substantially cuboid, certainly, in order to
The shape of battery is adapted to, the shape of the second accommodating cavity 131 can design as needed, can be cylindrical type, or square etc..
And multiple spacing side by side of the first through hole 19 are located at the housing 10, the convenient heat of the first through hole 19 that spacing side by side is set
The plastic bed of material 30 is preferably covered, so as to make battery occur it is abnormal when, extinguishing chemical 9090 preferably breaks through covering first
The layer of thermoplastic material 30 of through hole 19, and then improve the performance of battery case automatic extinguishing device 100.
Further, layer of thermoplastic material 30 includes nylon, haloflex and polyvinyl chloride, nylon, haloflex, gathers
The weight ratio of vinyl chloride is：Nylon：Haloflex：Polyvinyl chloride=(85~97) %：(2~9) %：(1~6) %.In order to
Layer of thermoplastic material 30 is set preferably to seal mesh, by the weight of nylon, haloflex, polyvinyl chloride in layer of thermoplastic material 30
Than being set to：Nylon：Haloflex：Polyvinyl chloride=(85~97) %：(2~9) %：(1~6) %.Also, work as thermoplastic material
The nylon of layer 30：Haloflex：The weight of polyvinyl chloride falls in above range than scope, and layer of thermoplastic material 30 can be made to exist
It can rapidly soften during by temperature more than 120 DEG C, be covered in so as to facilitate the extinguishing chemical 90 in the first accommodating cavity 17 to break through
The layer of thermoplastic material 30 of first through hole 19, and then rapidly can reduce the temperature for the battery that generates heat；And thermoplastic material can be made
Layer 30 preferably covers first through hole 19, improves the performance of battery case automatic extinguishing device 100.
Further, nylon, haloflex, the weight ratio of polyvinyl chloride are：Nylon：Haloflex：Polyvinyl chloride
=(90~95) %：(3~6) %：(2~4) %.When the nylon of layer of thermoplastic material 30：Haloflex：The weight of polyvinyl chloride
Fall than scope in above range, layer of thermoplastic material 30 can be allow most promptly soft when by temperature more than 120 DEG C
Change, the thermoplastic material of first through hole 19 is covered in so as to facilitate the extinguishing chemical 90 in the first accommodating cavity 17 to be broken through in the shorter time
Layer 30, so as to rapidly reduce the temperature for the battery that generates heat, improve the performance of battery case automatic extinguishing device 100.Specifically,
Nylon uses the nylon66 fiber in nylon material, i.e. polyhexamethylene adipamide, and the mechanical strength and hardness of polyhexamethylene adipamide are very
Height, rigidity is very big, and layer of thermoplastic material 30 can be made to cover first through hole 19 well.
It should be noted that nylon, haloflex and polyvinyl chloride in layer of thermoplastic material 30, the weight finally selected
Than accumulated result 100%.
Reference picture 3, further, the thickness h of housing 10 is 1.8≤h≤2.2mm.When the thickness h of housing 10 is in above-mentioned
In the range of when, the layer of thermoplastic material 30 for being covered in first through hole 19 can be made preferably to seal first through hole 19, so as to preferably
Extinguishing chemical 90 is sealed in the first accommodating cavity 17；And when battery-heating, the extinguishing chemical 90 of vaporization can be made to rush quickly
Broken layer of thermoplastic material 30, is put out a fire rapidly, improves the performance of battery case automatic extinguishing device 100.And the thickness when housing 10
When spending h within the above range, the maximum working pressure (MWP) of the first accommodating cavity 17 can be made to be less than or equal to one MPa, so both will not
Make extinguishing chemical 90 when being packed into the first accommodating cavity 17, the layer of thermoplastic material 30 for being covered in first through hole 19 is broken through, and also will not
Make battery failure adstante febre, extinguishing chemical 90 can not break through the layer of thermoplastic material 30 for being covered in first through hole 19.
In the present embodiment, further, the thickness h of housing 10 is h=2mm., can as thickness h=2mm of housing 10
So that the layer of thermoplastic material 30 for being covered in first through hole 19 seals first through hole 19 well, so as to preferably that extinguishing chemical 90 is close
It is enclosed in the first accommodating cavity 17；And when battery-heating, the extinguishing chemical 90 of vaporization can be made full out to break through layer of thermoplastic material
30, put out a fire rapidly, improve the performance of battery case automatic extinguishing device 100.
Further, housing 10 includes lateral wall 11, connection wall 15 and connects lateral wall 11 with madial wall 13, connection wall 15
With madial wall 13, madial wall 13, which encloses, to be set to form the second accommodating cavity 131, and lateral wall 11, connection wall 15 and madial wall 13 are jointly described
First accommodating cavity 17.By battery containing when the second accommodating cavity 131, battery is supported with madial wall 13 and is connected, so when battery goes out
When now abnormal, battery case automatic extinguishing device 100 is facilitated to timely respond to.It is understood that the lateral wall 11, the and of connection wall 15
Madial wall 13 can be structure as a whole, and the form of integrative-structure is easy to machine-shaping, blow molding process can be used, by thermoplastic material
Layer 30 is covered in first through hole 19.Certainly, lateral wall 11, connection wall 15 and madial wall 13 can also be split settings, by
Side wall 13 is formed there through multiple first through hole 19, and layer of thermoplastic material 30 is covered the first through hole 19, connection wall 15 and outside
Wall 11 is not through being arranged such can make cost relatively low.Integrally formed structure is used in the present embodiment, is easy to process, and
And the better performances of battery case automatic extinguishing device 100 can be made.
Reference picture 2, further, connection wall 15 are provided with the second through hole 151, and the second through hole 151 runs through the connection wall 15,
Battery case automatic extinguishing device 100 also includes valve 70, and valve 70 is installed on the second through hole 151, and controls extinguishing chemical 90 to fill
In the first accommodating cavity 17.Certainly, the position of the second through hole 151 can also be arranged on madial wall 13 or lateral wall 11, as long as
Extinguishing chemical 90 can be made preferably to be filled into the first accommodating cavity 17.Set valve 70 that extinguishing chemical 90 can be facilitated to be packed into first
Accommodating cavity 17.
Reference picture 3, further, battery case automatic extinguishing device 100 also include supporting plate 50, and supporting plate 50 is located at outside
Between wall 11 and madial wall 13.Because battery case automatic extinguishing device 100 is hollow setting, supporting plate 50 is set to make the
More batteries can be housed in two accommodating cavities 131 and the structure of the first accommodating cavity 17 will not be destroyed.Specifically, supporting plate 50
One end be held in the bottom of madial wall 13, the other end is held in the surface of the bottom adjacent medial side wall 13 of lateral wall 11.
Reference picture 4, further, the aperture d of first through hole 19 is 0.2mm≤d≤0.3mm, when the hole of first through hole 19
When footpath d numerical value is above range, layer of thermoplastic material 30 can be made preferably to cover first through hole 19, and will not both make fire extinguishing
When being packed into the first accommodating cavity 17, the layer of thermoplastic material 30 for being covered in first through hole 19 is broken through, and will not also make battery for agent 90
Failure adstante febre, extinguishing chemical 90 can not break through the layer of thermoplastic material 30 for being covered in first through hole 19.
In the present embodiment, further right, extinguishing chemical 90 is fluorination ketone extinguishing chemical.Specifically, the extinguishing chemical 90 is
1230 extinguishing chemicals, 1230 extinguishing chemicals are a kind of limpid, colorless and odorless cleaning agents, and it is with storage in liquid, but gas immediately after spraying
Change, be submerged in shielded space completely.The temperature of battery can be reduced well, and then improves battery case automatic extinguishing device
100 performance.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in the scope of patent protection of the present invention.
Claims (10)
1. a kind of battery case automatic extinguishing device, it is characterised in that the battery case automatic extinguishing device includes housing and heat-stabilized wood
The bed of material, the surface of the housing form multiple first through hole through housing, and the thermoplastic material covers the first of the housing
Through hole, second accommodating cavity of the housing formed with the first accommodating cavity and receiving battery, second accommodating cavity is placed in described
In first accommodating cavity, extinguishing chemical is filled with first accommodating cavity, battery rear layer of thermoplastic material on fire out of control is by thermal softening shape
Into cut, first accommodating cavity discharges extinguishing chemical to second accommodating cavity.
2. battery case automatic extinguishing device as claimed in claim 1, it is characterised in that the layer of thermoplastic material include nylon,
Haloflex and polyvinyl chloride, the nylon, the haloflex, the weight ratio of the polyvinyl chloride are：Nylon：Chlorination
Polyethylene：Polyvinyl chloride=(85~97) %：(2~9) %：(1~6) %.
3. battery case automatic extinguishing device as claimed in claim 2, it is characterised in that the nylon, the haloflex,
The weight ratio of the polyvinyl chloride is：Nylon：Haloflex：Polyvinyl chloride=(90~95) %：(3~6) %：(2~
4) %.
4. battery case automatic extinguishing device as claimed in claim 2, it is characterised in that the thickness h of the housing is 1.8≤h
≤2.2mm。
5. battery case automatic extinguishing device as claimed in claim 4, it is characterised in that the thickness h of the housing is h=2mm.
6. the battery case automatic extinguishing device as described in any in claim 1 to 5, it is characterised in that the housing includes outer
Side wall, connection wall and and madial wall, the connection wall connect the lateral wall and the madial wall, the madial wall, which encloses, to be set to be formed
Second accommodating cavity, the lateral wall, connection wall and madial wall are collectively forming first accommodating cavity.
7. battery case automatic extinguishing device as claimed in claim 6, it is characterised in that the connection wall is provided with the second through hole,
Second through hole runs through the connection wall, and the battery case automatic extinguishing device also includes valve, and the valve is installed on institute
The second through hole is stated, and controls the extinguishing chemical to be filled in first accommodating cavity.
8. battery case automatic extinguishing device as claimed in claim 6, it is characterised in that the battery case automatic extinguishing device is also
Including supporting plate, the supporting plate is between the lateral wall and the madial wall.
9. battery case automatic extinguishing device as claimed in claim 6, it is characterised in that the aperture d of the first through hole is
0.2mm≤d≤0.3mm。
10. battery case automatic extinguishing device as claimed in claim 6, it is characterised in that the extinguishing chemical goes out for fluorination ketone
Fiery agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710932297.9A CN107537111A (en) | 2017-10-09 | 2017-10-09 | Battery case automatic extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710932297.9A CN107537111A (en) | 2017-10-09 | 2017-10-09 | Battery case automatic extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107537111A true CN107537111A (en) | 2018-01-05 |
Family
ID=60966936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710932297.9A Pending CN107537111A (en) | 2017-10-09 | 2017-10-09 | Battery case automatic extinguishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107537111A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065984A (en) * | 2018-08-13 | 2018-12-21 | 上海纳晓能源科技有限公司 | The safety charging device of battery |
| CN109065768A (en) * | 2018-08-20 | 2018-12-21 | 邦泰宏图（深圳）科技有限责任公司 | A kind of Multicarity battery and battery pack |
| CN112957636A (en) * | 2021-02-22 | 2021-06-15 | 江苏塔菲尔动力系统有限公司 | Fire extinguishing structure for battery and packaging method |
| CN114082124A (en) * | 2021-12-01 | 2022-02-25 | 段素琴 | A built-in fire-retardant mechanism for new energy automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109065984A (en) * | 2018-08-13 | 2018-12-21 | 上海纳晓能源科技有限公司 | The safety charging device of battery |
| CN109065768A (en) * | 2018-08-20 | 2018-12-21 | 邦泰宏图（深圳）科技有限责任公司 | A kind of Multicarity battery and battery pack |
| CN112957636A (en) * | 2021-02-22 | 2021-06-15 | 江苏塔菲尔动力系统有限公司 | Fire extinguishing structure for battery and packaging method |
| CN114082124A (en) * | 2021-12-01 | 2022-02-25 | 段素琴 | A built-in fire-retardant mechanism for new energy automobile |
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