CN209822750U - Lithium cell shock attenuation protection device that insulates against heat - Google Patents
Lithium cell shock attenuation protection device that insulates against heat Download PDFInfo
- Publication number
- CN209822750U CN209822750U CN201921044781.9U CN201921044781U CN209822750U CN 209822750 U CN209822750 U CN 209822750U CN 201921044781 U CN201921044781 U CN 201921044781U CN 209822750 U CN209822750 U CN 209822750U
- Authority
- CN
- China
- Prior art keywords
- battery pack
- battery
- alloy casing
- protection device
- heat insulation
- 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.)
- Expired - Fee Related
Links
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
Landscapes
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a lithium cell shock attenuation protection device that insulates against heat in battery protection field, including the alloy casing, the inside battery pack that is equipped with of alloy casing, keep apart through the aerogel heat insulating sheet between two adjacent batteries in the battery pack, be fixed with the gasbag post just on the alloy casing inside wall gasbag post terminal surface with battery pack lateral wall butt, just battery pack with it has the polyurethane board to fill between the alloy casing. The utility model discloses can prevent that single battery is overheated and lead to the fact not good influence to whole battery pack, when vibrations, outside production vibrations can be offset to gasbag all around, when vibrations are comparatively violent, battery pack lateral wall and polyurethane board take place further contact for carry on spacingly to the battery, nevertheless can not produce the collision to battery pack.
Description
Technical Field
The utility model relates to a battery protection field, concretely relates to lithium cell shock attenuation protection device that insulates against heat.
Background
In the battery market, the lithium battery rapidly occupies the market by virtue of the characteristics of energy conservation, environmental protection, safety, low maintenance cost, long service life, value preservation, large development space and the like, and gradually replaces the traditional lead-acid storage battery. The lithium battery has the advantages of high single battery voltage, large specific energy, long storage life and good high-low temperature performance, and can be used at the temperature of minus 40 ℃ to 150 ℃. The disadvantages are high price and low safety. Nowadays, with the development of society, people have more and more great development requirements on lithium batteries. The existing lithium battery protection device is comprehensive, but has some defects in the use process.
As the energy density of the lithium ion battery is increasing, once the lithium ion is mechanically damaged (squeezed, pierced, etc.), or thermal runaway may occur due to short circuit and external thermal triggering, it is necessary to isolate the external heat as much as possible and to protect the lithium ion battery from shock.
SUMMERY OF THE UTILITY MODEL
Solves the technical problem
To the problem among the prior art, the utility model provides a lithium cell shock attenuation protection device that insulates against heat.
Technical scheme
The utility model discloses a following technical scheme realizes:
the utility model provides a lithium cell shock attenuation protection device that insulates against heat, includes the alloy casing, the inside battery pack that is equipped with of alloy casing, keep apart through the aerogel heat insulating sheet between two adjacent batteries among the battery pack, be fixed with the gasbag post just on the alloy casing inside wall gasbag post terminal surface with battery pack lateral wall butt, just battery pack with it has the polyurethane board to fill between the alloy casing.
Furthermore, a partition plate is fixed below the battery assembly, a heat dissipation fan is fixed on the inner bottom surface of the alloy shell below the partition plate, and ventilation holes are formed in the side wall of the alloy shell on two sides of the heat dissipation fan.
Furthermore, the surface of the partition board is provided with air passing holes, and the interior of the polyurethane board is hollow and is communicated with the air passing holes.
Furthermore, the polyurethane plate is filled at the corner inside the alloy shell and above the corner of the battery pack, and heat dissipation holes are formed in the side wall of the polyurethane plate, which is opposite to the battery pack.
Further, the aerogel thermal insulation sheets divide the cells two by two through continuous S-shaped curve shapes.
Advantageous effects
Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:
the aerogel heat insulation sheet is arranged between the single batteries of the battery assembly, has good heat insulation performance and insulation performance, and can prevent the single battery from overheating to cause bad influence on the whole battery assembly; battery pack passes through the gasbag butt all around to fill the polyurethane board between battery pack and alloy casing, when taking place vibrations, outside production vibrations can be offset to gasbag all around, when vibrations are comparatively violent, battery pack lateral wall and polyurethane board take place further contact for carry on spacingly to the battery, nevertheless can not produce the damage to battery pack.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a sectional view of the top view structure of the present invention;
FIG. 2 is a sectional view of the front view of the present invention;
the reference numbers in the figures are: 1-an alloy housing; 2-a battery assembly; 3-aerogel heat insulation sheets; 4-an airbag column; 5-polyurethane board; 6-a separator; 7-a heat dissipation fan; 8-a vent hole; 9-air passing holes; 10-heat dissipation holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Embodiment 1, with reference to fig. 1-2, a lithium battery shock absorption and thermal insulation protection device includes an alloy housing 1, a battery assembly 2 is disposed inside the alloy housing 1, two adjacent batteries in the battery assembly 2 are isolated from each other by an aerogel thermal insulation sheet 3, an air bag column 4 is fixed on an inner side wall of the alloy housing 1, an end surface of the air bag column 4 abuts against an outer side wall of the battery assembly 2, and a polyurethane plate 5 is filled between the battery assembly 2 and the alloy housing 1.
The aerogel heat insulation sheet 3 is arranged between the single batteries of the battery assembly 2, has good heat insulation performance and insulation performance, and can prevent the single battery from overheating to cause bad influence on the whole battery assembly. Battery pack 2 is all around through 4 butts of gasbag to pack polyurethane board 5 between battery pack 2 and alloy casing 1, when taking place vibrations, gasbag 4 all around can butt battery pack 2 lateral walls each other, thereby offset outside production vibrations, when vibrations are comparatively violent, battery pack 2 lateral walls and polyurethane board 5 take place further contact, polyurethane board 5 has elasticity, can carry on spacingly to the battery, nevertheless can not lead to the fact the damage to battery pack 2.
In addition, when taking precautions against earthquakes, select for use the polyurethane foam board and can also carry out the protection that separates the temperature to battery pack 2, be suitable for being used for winter low temperature weather.
Preferably, in summer with high temperature, a partition plate 6 is fixed below the battery assembly 2, a heat radiation fan 7 is fixed on the inner bottom surface of the alloy shell 1 below the partition plate 6, and ventilation holes 8 are formed in the side walls of the alloy shell 1 on two sides of the heat radiation fan 7. Air passing holes 9 are formed in the surface of the partition plate 6, and the polyurethane plate 5 is hollow and communicated with the air passing holes 9. The polyurethane plate 5 is filled in the corner inside the alloy shell 1 and above the corner of the battery pack 2, and the side wall of the polyurethane plate 5 opposite to the battery pack 2 is provided with a heat dissipation hole 10.
Cooling fan can operate and be used for reducing the inside temperature of alloy housing, and the air current gets into from the external world through ventilation hole 8, enters into polyurethane board 5 through air vent 9 inside, and on battery pack 2 was blown to rethread louvre 10 for dispel the heat to battery pack 2.
Preferably, the aerogel heat insulation sheet 3 separates the cells in pairs through continuous S-shaped curves, so as to protect the cells from heat.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the specific implementations of the invention. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a lithium cell shock attenuation protection device that insulates against heat, includes alloy casing (1), alloy casing (1) inside is equipped with battery pack (2), its characterized in that: keep apart through aerogel heat insulating sheet (3) between two adjacent batteries in battery pack (2), be fixed with on alloy casing (1) inside wall gasbag post (4) just gasbag post (4) terminal surface with battery pack (2) lateral wall butt, just battery pack (2) with it has polyurethane board (5) to fill between alloy casing (1).
2. The lithium battery shock absorption and heat insulation protection device of claim 1, wherein: battery pack (2) below is fixed with baffle (6), baffle (6) below be fixed with radiator fan (7) on the bottom surface in alloy casing (1), radiator fan (7) both sides be equipped with ventilation hole (8) on the alloy casing (1) lateral wall.
3. The lithium battery shock absorption and heat insulation protection device of claim 2, wherein: air holes (9) are formed in the surface of the partition plate (6), and the polyurethane plate (5) is hollow and communicated with the air holes (9).
4. The lithium battery shock absorption and heat insulation protection device of claim 1, wherein: the polyurethane plate (5) is filled at the corner inside the alloy shell (1) and above the corner of the battery assembly (2), and heat dissipation holes (10) are formed in the side wall, opposite to the battery assembly (2), of the polyurethane plate (5).
5. The lithium battery shock absorption and heat insulation protection device of claim 1, wherein: the aerogel heat insulation sheets (3) divide the cells into two by two through continuous S-shaped curves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044781.9U CN209822750U (en) | 2019-07-05 | 2019-07-05 | Lithium cell shock attenuation protection device that insulates against heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044781.9U CN209822750U (en) | 2019-07-05 | 2019-07-05 | Lithium cell shock attenuation protection device that insulates against heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209822750U true CN209822750U (en) | 2019-12-20 |
Family
ID=68885201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921044781.9U Expired - Fee Related CN209822750U (en) | 2019-07-05 | 2019-07-05 | Lithium cell shock attenuation protection device that insulates against heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209822750U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114188629A (en) * | 2020-09-15 | 2022-03-15 | Sk新技术株式会社 | Battery module |
| DE102022113614A1 (en) | 2022-05-30 | 2023-11-30 | Elringklinger Ag | Battery module for a high-voltage battery system |
-
2019
- 2019-07-05 CN CN201921044781.9U patent/CN209822750U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114188629A (en) * | 2020-09-15 | 2022-03-15 | Sk新技术株式会社 | Battery module |
| US11799147B2 (en) | 2020-09-15 | 2023-10-24 | Sk On Co., Ltd. | Battery Module |
| CN114188629B (en) * | 2020-09-15 | 2024-01-09 | Sk新能源株式会社 | Battery module |
| DE102022113614A1 (en) | 2022-05-30 | 2023-11-30 | Elringklinger Ag | Battery module for a high-voltage battery system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209822750U (en) | Lithium cell shock attenuation protection device that insulates against heat | |
| KR102072762B1 (en) | Can Type Secondary Battery and Secondary Battery Module including the same | |
| CN207602647U (en) | A kind of safety-type li battery shell | |
| CN210516935U (en) | Quick radiating electric motor car lithium cell | |
| CN210956764U (en) | Square cylindrical lithium ion battery beneficial to assembly and heat dissipation | |
| CN115207550A (en) | Battery box, battery and electric equipment | |
| CN215527791U (en) | Lithium battery with seepage detection function | |
| CN205488300U (en) | Safety device of lithium cell group | |
| CN207038652U (en) | A kind of resistant to elevated temperatures Ni-MH battery | |
| CN220138423U (en) | Lithium battery assembly with power-off switch | |
| CN216161844U (en) | Novel battery pack burning delay prevention structure | |
| CN215771298U (en) | Stable and reliable cylindrical lithium ion battery | |
| CN206864573U (en) | It is a kind of that there is moistureproof and radiating effect new energy battery | |
| CN213936445U (en) | Novel large-capacity wound lithium battery | |
| CN211181988U (en) | Ultralow temperature resistant electrolytic capacitor | |
| KR101824592B1 (en) | Electric Double-Layer Capacitor Module | |
| CN207993927U (en) | A kind of battery modules protective isolation structure | |
| CN113611960A (en) | Stable and reliable cylindrical lithium ion battery | |
| CN213459924U (en) | Energy storage battery pack | |
| CN220121982U (en) | High-capacity sodium ion battery shell | |
| CN219759697U (en) | Battery structure | |
| CN212676329U (en) | Heat dissipation lithium cell | |
| CN209880664U (en) | High-capacity green energy storage battery | |
| CN213878264U (en) | Battery package dysmorphism protective structure | |
| CN217983581U (en) | Battery module and energy storage device with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20210705 |