CN209544461U - A kind of battery modules - Google Patents
A kind of battery modules Download PDFInfo
- Publication number
- CN209544461U CN209544461U CN201920425941.8U CN201920425941U CN209544461U CN 209544461 U CN209544461 U CN 209544461U CN 201920425941 U CN201920425941 U CN 201920425941U CN 209544461 U CN209544461 U CN 209544461U
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- CN
- China
- Prior art keywords
- fire extinguishing
- bag
- battery modules
- battery
- core array
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a kind of battery modules, including fire extinguishing bag and battery core array, and the top and/or side of battery core array is arranged in the fire extinguishing bag, further includes protection structure, the protection structure setting is in the outer surface and/or side of bag body.The structure of the battery modules can effectively improve the safety of system, prevent battery modules in the applying working condition of vehicle complexity due to external force or internal force impact and cracking, to guarantee that fire extinguishing bag can play a role at crucial moment, the thermal runaway of battery pack is effectively prevented or delayed.
Description
Technical field
The utility model belongs to battery technology field, and in particular to a kind of battery modules including fire extinguishing bag.
Background technique
What energy storage or the electric system of electric car were made of multiple battery modules, and battery modules are by multiple batteries
Monomer composition.Due to pursuing the energy density of battery pack, the battery cell in battery modules is arranged closely, so that battery
Heat in mould group is easy accumulation, and the intermediate position of especially entire mould group, temperature is often higher than other positions.In the middle part of mould group
Generation the phenomenon that dividing after the heat accumulation to a certain extent of battery cell, may result in thermal runaway.And thermal runaway can be in electricity
Sprawling in Chi Mo group, the battery cell temperature for causing other to work normally increase rapidly, so that entire battery modules occur
Thermal runaway, this be it is extremely hazardous, especially in closed battery case.
The utility model of Patent No. CN205863330U discloses a kind of self-extinguishing battery, including shell, the shell
Intracoelomic cavity is placed with battery pack, and the fire extinguishing bag for putting out a fire to battery pack is equipped with above the battery pack, and the fire extinguishing bag has
Bag body is packaged with extinguishing chemical in the bag body of the fire extinguishing bag.Occur catching fire or explosion time in some battery core of battery pack, fire
Temperature or the impact force of explosion the bag body of fire extinguishing bag is destroyed so that the extinguishing chemical in fire extinguishing bag releases, to entire battery
Group is put out a fire.
Fire extinguishing bag in the patent is just ruptured after there is a situation where open fire or explosion, and the bag body of fire extinguishing bag
There is no any support, is easily broken under the operating condition of vehicle complexity.
Utility model content
The utility model provides a kind of battery modules, including fire extinguishing bag and battery core array, and the fire extinguishing bag is arranged in electricity
The top and/or side of core array further include protection structure, and the protection structure setting is in the outer surface and/or side of fire extinguishing bag
Face.
As shown in Figure 3 or Figure 4, the outer surface refer to the fire extinguishing bag backwards to the surface of battery core array, correspondingly, towards
Battery core array surface is the inner surface of fire extinguishing bag, and the side refers on fire extinguishing bag for connecting outer surface and inner surface
Face.It is described to protect structure the omnibearing protection fire extinguishing bag not cracking due to impact of external force or internal force.In addition, protection knot
Structure can be contacted with the inner wall of cabinet, play the role of heat transfer.The material of the protection structure is insulation and has certain strong
The material of the material of degree, preferably protection structure has wearability and Thermal conductivity.
The protection structure includes engraved structure.The engraved structure includes rule or irregular hole.Conventional, including
At least one of elongate holes, X-shaped hole, circular hole and the regular polygon hole of rule arrangement.
On the one hand the engraved structure can reduce weight, on the other hand have the function of heat dissipation, when fire extinguishing bag temperature liter
Gao Shi is radiated by engraved structure, and fire extinguishing bag is made preferably to play cooling effect to battery pack.
The inner surface of fire extinguishing bag can also be arranged in the protection structure.
The fire extinguishing bag of the top that battery core array is arranged in and side is integrated or mutually independent.
The fire extinguishing bag includes bag body and liquid injection port, and the edge of bag body is arranged in the liquid injection port.The bag body is tool
There is certain thickness flat bag, concrete shape is depending on the global shape of battery core array.Such as: if battery core array is in rectangular
Body or square arrangement, then the bag body of above battery core array and side is flat cuboid；If battery core array is in cylindrical body
Arrangement, then the bag body above battery core array is in flat cylindrical body, and the bag body of side is in flat annular solid, the annular solid packet
It includes continuous and discrete.The extinguishing chemical with fire extinguishing cooling effect is injected into bag body by the liquid injection port.
The material of the bag body is composite membrane.Still further, the composite membrane includes PVC material.The bag body has
Wear-resisting and pressure-resistant characteristic.
The fire extinguishing bag ruptures under 180 DEG C or more of environment temperature.The mode of the rupture include it is automatic melt or by
Dynamic rupture.When thermal runaway occurs for battery, internal temperature can continue to increase, and when temperature reaches 180 DEG C or more, fire extinguishing bag can be certainly
Dynamic or passive rupture is to effectively prevent or delay thermal runaway continuation or diffusion.
It include liquid extinguisher in the fire extinguishing bag.Still further, the liquid extinguisher includes water based fire suppressant.
It is connected between the fire extinguishing bag and battery core array by glue.
The fire extinguishing bag is fixedly connected by protection structure with battery core array.
It further include insulation board, the insulation board is arranged between fire extinguishing bag and battery core array.The insulation board is that have one
Determine intensity, wear-resisting and thermal conductive resin material.
The insulation board is porous structure.So that extinguishing chemical can take advantage of a situation into battery core array after fire extinguishing bag rupture.
The structure of battery modules described in the utility model can effectively improve the safety of system, in energy storage or electronic vapour
Under the applying working condition of vehicle complexity, external impacts on the one hand can be resisted to protect fire extinguishing bag bag body to be not under compression, on the other hand
It can prevent from causing the cracking of fire extinguishing bag due to outside, which is jolted, causes internal firefighting agent to be shaken, to guarantee that fire extinguishing bag can
It plays a role at crucial moment, effectively prevents or delay the thermal runaway of battery pack.
Detailed description of the invention
A kind of Fig. 1: battery modules disclosed by the utility model；
Fig. 2: another kind battery modules disclosed by the utility model；
A kind of Fig. 3: fire extinguishing bag disclosed by the utility model；
Fig. 4: another kind fire extinguishing bag disclosed by the utility model；
Fig. 5: another battery modules disclosed by the utility model.
Wherein, 10- fire extinguishing bag, 101- bag body, the outer surface 101a-, 101b- inner surface, the side 101c-, 102- liquid injection port,
20- battery core array, 30- protect structure, 301- engraved structure, 40- insulation board.
Specific embodiment
The utility model is described in detail in specific embodiment below, however the utility model is not restricted to
Following embodiment.
Embodiment 1:
As shown in figures 1 and 3, the present embodiment provides a kind of battery modules, including fire extinguishing bag 10, battery core array 20 and protection
The top of battery core array 20 is arranged in structure 30, the fire extinguishing bag 10, and the outer surface of bag body 101 is arranged in the protection structure 30
101a and side 101c.
Embodiment 2:
As shown in Figures 2 and 3, the present embodiment provides a kind of battery modules, including fire extinguishing bag 10, battery core array 20 and protection
The top of battery core array 20 is arranged in structure 30, the fire extinguishing bag 10, and the outer surface of bag body 101 is arranged in the protection structure 30
101a and side 101c.The protection structure 30 includes engraved structure 301.The engraved structure 301 is the circular hole of rule arrangement.
The fire extinguishing bag 10 includes bag body 101 and liquid injection port 102, and the edge of bag body 101 is arranged in the liquid injection port 102.It is described to go out
It include liquid extinguisher in fiery bag 10.The liquid extinguisher includes water based fire suppressant.
Embodiment 3:
As illustrated in figures 4-5, the present embodiment provides a kind of battery modules, including fire extinguishing bag 10, battery core array 20 and protection knot
Structure 30, the fire extinguishing bag 10 are that the top of battery core array 20 and the integral structure of side is arranged in, and the protection structure 30 is arranged
In the outer surface 101a, inner surface 101b and side 101c of bag body 101.The protection structure 30 includes engraved structure 301.It is described
The protection structure 30 of 20 top of battery core array includes the elongate holes engraved structure 301 of rule arrangement, 20 side of battery core array
The protection structure 30 of side includes the X-shaped hole engraved structure 301 of rule arrangement.The fire extinguishing bag 10 passes through protection structure 30 and battery core
Array 20 is fixedly connected.
Embodiment 4:
As shown in Figure 1, the present embodiment provides a kind of battery modules, including fire extinguishing bag 10, battery core array 20, protection structure 30
With insulation board 40, the top of battery core array 20 is arranged in the fire extinguishing bag 10, and the outer of bag body 101 is arranged in the protection structure 30
Surface 101a and side 101c.The insulation board 40 is arranged between fire extinguishing bag 10 and battery core array 20.The insulation board 40 is
Porous structure.
Embodiment 5:
The present embodiment provides a kind of battery modules, including fire extinguishing bag 10, battery core array 20 and protection structure 30, the fire extinguishings
The top and side of battery core array 20 is arranged in bag 10, and the side 101c of bag body 101 is arranged in the protection structure 30.It is described to set
It sets and is independent from each other in the top of battery core array 20 and the fire extinguishing bag 10 of side.Between the fire extinguishing bag 10 and battery core array 20
It is fixedly connected by glue.The outer surface 101a of the fire extinguishing bag 10 passes through protection structure 30 and cabinet or adjacent protection knot
Structure 30 contacts.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only the principles of the present invention, the utility model also has respectively on the premise of not departing from the spirit and scope of the utility model
Kind changes and improvements.
Claims (10)
1. a kind of battery modules, including fire extinguishing bag (10) and battery core array (20), the fire extinguishing bag (10) is arranged in battery core array
(20) top and/or side, it is characterised in that: further include protection structure (30), the protection structure (30) is arranged in bag body
(101) outer surface (101a) and/or side (101c).
2. a kind of battery modules according to claim 1, it is characterised in that: the protection structure (30) includes engraved structure
(301)。
3. a kind of battery modules according to claim 1, it is characterised in that: further comprise setting in fire extinguishing bag (10)
The protection structure (30) on surface (101b).
4. a kind of battery modules according to claim 1, it is characterised in that: top of the setting in battery core array (20)
Fire extinguishing bag (10) with side is integrated or mutually independent.
5. a kind of battery modules according to claim 1, it is characterised in that: the fire extinguishing bag (10) includes bag body (101)
With liquid injection port (102), edge of liquid injection port (102) setting in bag body (101).
6. a kind of battery modules according to claim 1, it is characterised in that: the fire extinguishing bag (10) is at 180 DEG C or more
Melt automatically under environment temperature or passively ruptures.
7. a kind of battery modules according to claim 1, it is characterised in that: include liquid fire extinguishing in the fire extinguishing bag (10)
Agent.
8. a kind of battery modules according to claim 7, it is characterised in that: the liquid extinguisher includes water base fire extinguishing
Agent.
9. a kind of battery modules according to claim 1, it is characterised in that: the fire extinguishing bag (10) passes through protection structure
(30) it is fixedly connected with battery core array (20).
10. a kind of battery modules according to claim 1, it is characterised in that: further include insulation board (40), the insulation board
(40) it is arranged between fire extinguishing bag (10) and battery core array (20), the insulation board (40) is porous structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920425941.8U CN209544461U (en) | 2019-04-01 | 2019-04-01 | A kind of battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920425941.8U CN209544461U (en) | 2019-04-01 | 2019-04-01 | A kind of battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209544461U true CN209544461U (en) | 2019-10-25 |
Family
ID=68275685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920425941.8U Active CN209544461U (en) | 2019-04-01 | 2019-04-01 | A kind of battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209544461U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113394510A (en) * | 2021-05-31 | 2021-09-14 | 浙江南都电源动力股份有限公司 | Temperature protection structure with over-temperature protection and fire extinguishing functions and protection method |
| WO2022012449A1 (en) * | 2020-07-16 | 2022-01-20 | 哲弗智能系统（上海）有限公司 | Passive fire extinguishing device and battery pack |
-
2019
- 2019-04-01 CN CN201920425941.8U patent/CN209544461U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022012449A1 (en) * | 2020-07-16 | 2022-01-20 | 哲弗智能系统（上海）有限公司 | Passive fire extinguishing device and battery pack |
| CN113394510A (en) * | 2021-05-31 | 2021-09-14 | 浙江南都电源动力股份有限公司 | Temperature protection structure with over-temperature protection and fire extinguishing functions and protection method |
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