CN210576154U - Explosion-proof flame-retardant structure of lithium battery - Google Patents
Explosion-proof flame-retardant structure of lithium battery Download PDFInfo
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- CN210576154U CN210576154U CN201922124609.0U CN201922124609U CN210576154U CN 210576154 U CN210576154 U CN 210576154U CN 201922124609 U CN201922124609 U CN 201922124609U CN 210576154 U CN210576154 U CN 210576154U
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- battery
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- lithium cell
- cooling
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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
Abstract
The utility model discloses an explosion-proof flame retardant structure of lithium cell, including bearing the weight of casing, explosion-proof guard circle, cooling flame-retardant layer, lithium cell group and cooling protective core, cooling protective core runs through and locates bearing the weight of casing central authorities, inside lithium cell group uses cooling protective core to encircle locating bearing the weight of casing as the center, outside the lithium cell group is located to cooling flame-retardant layer parcel, outside explosion-proof guard circle encircles and locates cooling flame-retardant layer, this lithium cell structure can effectively cool down inside lithium cell group, guarantees the normal operating temperature of lithium cell, can play automatic fire extinguishing, prevent that the explosive from splashing the protective effect who causes the injury to the lithium cell, can effectively improve lithium cell life and battery performance, has protected people's the security of the lives and property. The utility model belongs to the technical field of lithium battery protection, specifically indicate one kind can cool down, can deal with lithium cell spontaneous combustion explosion accident, the explosion-proof flame retardant construction of the lithium cell of the healthy and property safety of guarantee user to the lithium cell.
Description
Technical Field
The utility model belongs to the technical field of lithium battery protection, specifically indicate the explosion-proof flame retardant construction of lithium cell.
Background
The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, along with the rapid development of industries such as mobile phones, notebook computers, digital cameras, electric vehicles, electric tools, new energy automobiles and the like, the demand for the lithium battery is continuously increased, the lithium battery is the mainstream at present, the chemical characteristics of the lithium metal are very active, so that the processing, storage and use of the lithium metal have very high requirements on the environment, accidents such as combustion, explosion and the like of the lithium battery frequently occur due to improper placing environment, in order to reduce the influence of the external environment, the lithium battery pack needs to be placed in a relatively closed environment to provide protection for the lithium battery pack, and the using conditions can cause a large amount of heat generated in the working process of the lithium battery pack to be rapidly and smoothly discharged, so that the temperature of the lithium battery pack rises and works at high temperature, the service life of the battery is shortened, the performance of the battery is reduced, the lithium battery pack in use can be cooled down urgently, accidents such as combustion and explosion of the lithium battery under special conditions can be effectively prevented, and the life and property safety of people is protected.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned current difficult problem, the utility model provides an explosion-proof flame retardant construction of lithium cell can effectively cool down to inside lithium cell group, guarantees the normal operating temperature of lithium cell, when the sudden accident lithium cell group that appears receives when amazing, this structure can play automatic fire extinguishing, prevent that the explosive from splashing the protective effect who causes the injury to the lithium cell, uses this structure to hold the lithium cell and can effectively improve lithium cell life and battery performance, has protected people's the security of the lives and property.
The utility model adopts the technical scheme as follows: the utility model discloses explosion-proof flame retardant structure of lithium cell, including battery base, protection end cover and output contact, the protection end cover is located on the battery base, output contact runs through and locates on the protection end cover, the battery base is including bearing casing, explosion-proof guard circle, cooling flame-proof layer, lithium cell group and cooling protection core, it is the setting of drum shape to bear the casing, cooling protection core runs through and locates and bear casing central authorities, and cooling protection core can be cooled down bearing casing inside through carrying out heat exchange with external environment, inside the lithium cell group locates bearing casing with cooling protection core as the center ring, the cooling flame-proof layer is located in the bearing casing and the parcel is located outside the lithium cell group, explosion-proof guard circle is located inside the bearing casing and is encircleed outside locating cooling flame-proof layer.
Further, it loads the layer including outer inoxidizing coating, interior inoxidizing coating and battery to bear the casing, the battery loads the layer and locates the inside center of outer inoxidizing coating, interior inoxidizing coating is located between outer inoxidizing coating and the battery loading layer, be equipped with the explosion-proof layer between outer inoxidizing coating and the interior inoxidizing coating, explosion-proof guard circle is located in the explosion-proof layer, interior inoxidizing coating and battery are loaded and are equipped with the cooling slot between the layer, the cooling flame-proof layer is located in the cooling slot, the battery loads the layer and is equipped with battery loading groove and cooling tank, battery loading groove encircles and locates on the battery loading layer, the fixed battery loading inslot that locates of lithium cell group, the battery loading layer center is located in the cooling tank to the cooling.
Further, be equipped with battery output head on the lithium cell group, battery output head locates the lithium cell group top and the shape is cylindrical.
Further, the protection end cover includes end cover body, connection contact and connecting strip, the end cover body is located on the battery base, connection contact locates on the end cover body inner wall, the connecting strip is located on the end cover body inner wall and is close to connection contact, connecting strip one end is connected with connection contact, the connecting strip other end is connected with the output contact, connection contact and battery output are connected.
Further, the cooling flame-retardant layer is internally provided with a sandwich structure for wrapping the fire extinguishing substance, and preferably, the cooling flame-retardant layer is provided with a liquid carbon dioxide sandwich structure.
Further, the cooling protection core adopts an interlayer structure for wrapping purified water.
Preferably, the material of the explosion-proof guard ring is molybdenum-tungsten alloy.
After the structure is adopted, the utility model discloses beneficial effect as follows: the utility model discloses explosion-proof flame retardant structure of lithium cell adopts the multilayer protection setting, adopts cooling inner core structural design, and the heat that produces when can the active absorption lithium cell uses has prolonged the life of lithium cell, has strengthened the battery performance, makes the use of lithium cell safe and reliable more, and built-in automatic fire extinguishing and explosion-proof structural design have prevented accidents such as battery explosion, battery spontaneous combustion from threatening people's health and property, have extensive spreading value.
Drawings
Fig. 1 is a schematic view of the overall structure of the explosion-proof flame-retardant structure of the lithium battery of the present invention;
FIG. 2 is a schematic structural view of a battery base with an explosion-proof and flame-retardant structure of a lithium battery according to the present invention;
FIG. 3 is a schematic structural view of the explosion-proof flame-retardant structure bearing shell of the lithium battery of the present invention;
fig. 4 is the utility model discloses explosion-proof fire-retardant structure protection end cover schematic diagram of lithium cell.
The battery comprises a battery base 1, a battery base 2, a protection end cover 3, an output contact 4, a bearing shell 5, an explosion-proof protection ring 6, a cooling flame-proof layer 7, a lithium battery pack 8, a cooling protective core 9, an outer protective layer 10, an inner protective layer 11, a battery loading layer 12, an explosion-proof layer 13, a cooling clamping groove 14, a battery loading groove 15, a cooling groove 16, a battery output head 17, an end cover body 18, a connecting contact 19 and a connecting strip.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments, and all the parts of the present invention not described in detail in the technical features or the connection relation are the prior art.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-4, the utility model discloses explosion-proof flame retardant structure of lithium cell, including battery base 1, protection end cover 2 and output contact 3, protection end cover 2 is located on battery base 1, output contact 3 runs through and locates on protection end cover 2, battery base 1 is including bearing casing 4, explosion-proof guard circle 5, cooling flame-proof layer 6, lithium cell group 7 and cooling flame-proof core 8, bearing casing 4 is the setting of drum shape, cooling flame proof core 8 runs through and locates bearing casing 4 central authorities, and inside lithium cell group 7 located bearing casing 4 with cooling flame proof core 8 as the center-ring, cooling flame proof layer 6 located bearing casing 4 in and the parcel was located outside lithium cell group 7, explosion-proof guard circle 5 located bearing casing 4 inside and around locating outside cooling flame proof layer 6.
The lithium battery pack 7 is provided with a battery output head 16, and the battery output head 16 is arranged at the top of the lithium battery pack 7 and is cylindrical in shape.
The protection end cover 2 comprises an end cover body 17, a connecting contact 18 and a connecting strip 19, the end cover body 17 is arranged on the battery base 1, the connecting contact 18 is arranged on the inner wall of the end cover body 17, the connecting strip 19 is arranged on the inner wall of the end cover body 17 and is close to the connecting contact 18, one end of the connecting strip 19 is connected with the connecting contact 18, the other end of the connecting strip 19 is connected with the output contact 3, and the connecting contact 18 is connected with the battery output head 16.
The cooling flame-retardant layer 6 adopts a liquid carbon dioxide sandwich structure; the cooling protection core 8 adopts an interlayer structure for wrapping purified water; the material of the explosion-proof protective ring 5 is molybdenum-tungsten alloy.
During the specific use, pack lithium cell group 7 in this structure, cover protection end cover 2, the electric quantity of lithium cell group 7 conveys other machines of external confession through output contact 3 and uses, if the lithium cell accident appears and leads to inside spontaneous combustion, liquid carbon dioxide in the cooling flame-proof layer 6 can extinguish flame rapidly and reduce battery base 1's temperature, guarantee the safety that the lithium cell used, if the lithium cell receives external amazing messenger's voltage unstability and leads to the lithium cell explosion, 5 hardness height in the explosion-proof protection circle of molybdenum-tungsten alloy preparation, toughness is good, the melting point is high, can fully restrain the explosion degree, guarantee that the lithium cell explosion can not influence the 5 outsides in the explosion-proof protection circle, cooling protection core 8 can effectively prevent the lithium cell too high temperature and take place danger in the use during lithium cell normal use.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (7)
1. Explosion-proof fire-retardant structure of lithium cell, its characterized in that: including battery base, protection end cover and output contact, the protection end cover is located on the battery base, output contact runs through and locates on the protection end cover, the battery base is including bearing casing, explosion-proof guard circle, cooling flame-retardant layer, lithium cell group and cooling protection core, it sets up for the drum shape to bear the casing, cooling protection core runs through to locate and bears casing central authorities, the lithium cell group is inside around locating bearing casing with cooling protection core as the center, the cooling flame-retardant layer is located bearing casing and is wrapped up in and locate outside the lithium cell group, explosion-proof guard circle is located bearing casing is inside and is encircleed outside locating cooling flame-retardant layer.
2. The explosion-proof and flame-retardant structure of a lithium battery as claimed in claim 1, wherein: bear the casing and load the layer including outer inoxidizing coating, interior inoxidizing coating and battery, the battery loads the layer and locates the inside center of outer inoxidizing coating, interior inoxidizing coating is located between outer inoxidizing coating and the battery loading layer, be equipped with the explosion-proof layer between outer inoxidizing coating and the interior inoxidizing coating, the explosion-proof guard circle is located in the explosion-proof layer, interior inoxidizing coating and battery are loaded and are equipped with the cooling slot between the layer, the cooling is fire-proof in the layer is located and is cooled off in the slot, the battery loads the layer and is equipped with battery loading groove and cooling groove, the battery loads the groove around locating on the battery loading layer, the lithium cell group is fixed to be located in the battery loading groove, the battery loading.
3. The explosion-proof and flame-retardant structure of a lithium battery as claimed in claim 1, wherein: the lithium battery pack is provided with a battery output head, and the battery output head is arranged at the top of the lithium battery pack and is cylindrical in shape.
4. The explosion-proof and flame-retardant structure of a lithium battery as claimed in claim 3, wherein: the protection end cover comprises an end cover body, a connecting contact and a connecting strip, the end cover body is arranged on the battery base, the connecting contact is arranged on the inner wall of the end cover body, the connecting strip is arranged on the inner wall of the end cover body and is close to the connecting contact, one end of the connecting strip is connected with the connecting contact, the other end of the connecting strip is connected with the output contact, and the connecting contact is connected with the battery output head.
5. The explosion-proof and flame-retardant structure of a lithium battery as claimed in claim 1, wherein: the cooling flame-retardant layer adopts a liquid carbon dioxide sandwich structure.
6. The explosion-proof and flame-retardant structure of a lithium battery as claimed in claim 1, wherein: the cooling protection core adopts an interlayer structure for wrapping purified water.
7. The explosion-proof and flame-retardant structure of a lithium battery as claimed in claim 1, wherein: the material of the explosion-proof guard ring is molybdenum-tungsten alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922124609.0U CN210576154U (en) | 2019-12-02 | 2019-12-02 | Explosion-proof flame-retardant structure of lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922124609.0U CN210576154U (en) | 2019-12-02 | 2019-12-02 | Explosion-proof flame-retardant structure of lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210576154U true CN210576154U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922124609.0U Expired - Fee Related CN210576154U (en) | 2019-12-02 | 2019-12-02 | Explosion-proof flame-retardant structure of lithium battery |
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| CN (1) | CN210576154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865199A (en) * | 2022-06-17 | 2022-08-05 | 天府新能源研究院 | Protective structure for ternary lithium battery |
-
2019
- 2019-12-02 CN CN201922124609.0U patent/CN210576154U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865199A (en) * | 2022-06-17 | 2022-08-05 | 天府新能源研究院 | Protective structure for ternary lithium battery |
| CN114865199B (en) * | 2022-06-17 | 2024-02-13 | 天府新能源研究院 | Protective structure for ternary lithium battery |
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| 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: 20200519 Termination date: 20201202 |