CN213878325U - Lithium ion battery with explosion-proof structure - Google Patents
Lithium ion battery with explosion-proof structure Download PDFInfo
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- CN213878325U CN213878325U CN202022894223.0U CN202022894223U CN213878325U CN 213878325 U CN213878325 U CN 213878325U CN 202022894223 U CN202022894223 U CN 202022894223U CN 213878325 U CN213878325 U CN 213878325U
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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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Abstract
The utility model discloses in, provide a lithium ion battery with explosion-proof structure, its characterized in that, this lithium ion battery includes face lid, drain pan, suspension assembly and battery pack, the face lid sets up on the drain pan, the battery pack sets up on suspension assembly, suspension assembly and battery pack all hold to in face lid and the drain pan; the suspension assembly is connected with the face cover so that the battery assembly is suspended above the bottom shell, and a suspension cavity for separating the battery assembly from the bottom shell is formed between the battery assembly and the bottom shell. And the face cover is also provided with an explosion-proof through hole, and an explosion-proof sheet is arranged on the explosion-proof through hole. The utility model discloses in, when this lithium ion battery intensifies, the inside gas inflation of battery produces high temperature high-pressure gas, and when pressure increased to a certain extent, through the explosion-proof piece of breaking explosion-proof through hole department for high temperature high-pressure gas in time discharges to the outside, can prevent that lithium ion battery from appearing the phenomenon of burning, explosion.
Description
Technical Field
The utility model belongs to the battery field, in particular to lithium ion battery structure.
Background
The electric vehicle as a new energy vehicle has the characteristics of low noise, high energy utilization efficiency, no mobile waste discharge and the like.
The lead-acid battery has low energy density and short cycle service life, generally 300 to 500 times, and pollutes the environment. With the shortage of energy, the pressure in the environmental protection aspect of the world and the guidance of national policies, the power battery of the electric vehicle is transited from a lead-acid battery to a lithium battery; compared with a lead-acid battery, the lithium battery has the advantages of high energy density, long service life, no pollution to the environment and the like, and is widely applied to the electric vehicle industry, so that the development and application of the lithium battery industry are promoted.
A lithium ion battery is a secondary battery (rechargeable battery) that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. During charging and discharging, Li + is inserted and extracted back and forth between two electrodes: during charging, Li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge. The scale of the lithium battery industry in China is continuously enlarged, the industry development is promoted to be linked up and down, and the industrial chain is gradually mature. However, the safety problem also becomes a major bottleneck restricting the development of lithium ion batteries. The existing lithium battery of the electric vehicle has the problems that the existing lithium battery of the electric vehicle needs to solve, the temperature of the lithium battery can rise in the charging and discharging process, the gas in the battery can expand, the lithium battery cannot be deflated and decompressed immediately under the abnormal condition, and the lithium battery has the potential safety hazards of combustion and explosion.
Disclosure of Invention
In order to solve the above problem, an object of the present invention is to provide a lithium ion battery with an explosion-proof structure, which can avoid the occurrence of safety hazards such as combustion and explosion.
Another object of the utility model is to provide a lithium ion battery with explosion-proof structure, this lithium ion battery's simple structure, the production and processing of being convenient for, and manufacturing cost is lower.
A lithium ion battery with an explosion-proof structure is characterized by comprising a face cover, a bottom shell, a suspension assembly and a battery assembly, wherein the face cover is arranged on the bottom shell; the suspension assembly is connected with the face cover so that the battery assembly is suspended above the bottom shell, and a suspension cavity for separating the battery assembly from the bottom shell is formed between the battery assembly and the bottom shell. And the face cover is also provided with an explosion-proof through hole, and an explosion-proof sheet is arranged on the explosion-proof through hole. The utility model discloses in, when this lithium ion battery intensifies, the inside gas inflation of battery produces high temperature high-pressure gas, and when pressure increased to a certain extent, through the explosion-proof piece of breaking explosion-proof through hole department for high temperature high-pressure gas in time discharges to the outside, can prevent that lithium ion battery from appearing the phenomenon of burning, explosion. And still through the setting of hanging the subassembly for battery pack separates with the drain pan, is formed with unsettled cavity, in this lithium ion battery's use, can reduce the effort of drain pan to the group battery greatly, plays a fine shockproof effect operation effect. And the lithium ion battery has simple structure, is convenient for production and processing, and has lower production cost.
Further, the explosion-proof piece is an explosion-proof lens. When the pressure reaches 1.2MPa, the explosion-proof lens can be broken and burst, the effects of cooling and pressure relief are achieved, and a good flame-retardant and explosion-proof effect is achieved. The explosion-proof lens can be a PVC sheet.
Furthermore, the bottom shell and the face cover are detachably connected. The lithium ion battery is convenient to disassemble and assemble due to the arrangement.
Further, the suspension assembly comprises a hoisting lower shell and a hoisting upper shell, the hoisting lower shell is connected with the hoisting upper shell, the battery assembly is arranged on the hoisting lower shell, and the hoisting upper shell is connected with the surface cover.
Further, hoist and mount inferior valve and the detachable connection of hoist and mount epitheca, battery pack and hoist and mount inferior valve and hoist and mount epitheca and face lid are detachable connection. The lithium ion battery is convenient to disassemble and assemble due to the arrangement.
Furthermore, a handle is fixedly arranged on the upper side surface of the face cover. The handle is arranged, so that the lithium ion battery is more convenient to carry and extract.
Furthermore, a plurality of heat dissipation holes are formed in the face cover.
Furthermore, an aluminum panel is fixedly arranged on the upper side surface of the face cover. The positions of the plurality of heat dissipation holes correspond to the positions of the aluminum panel. The heat of the battery is conducted to the aluminum panel through the radiating holes of the face shell to be radiated, so that good radiating is achieved.
Furthermore, the whole lithium ion battery is cuboid.
The beneficial effects of the utility model reside in that, compare in prior art the utility model discloses in, when this lithium ion battery intensifies, the inside gas expansion of battery produces high temperature high-pressure gas, and when pressure increased to a certain extent, through breaking the explosion-proof piece of explosion-proof through-hole department for high temperature high-pressure gas in time discharges to the outside, can prevent that lithium ion battery from appearing the phenomenon of burning, explosion. And still through the setting of hanging the subassembly for battery pack separates with the drain pan, is formed with unsettled cavity, in this lithium ion battery's use, can reduce the effort of drain pan to the group battery greatly, plays a fine shockproof effect operation effect. And the lithium ion battery has simple structure, is convenient for production and processing, and has lower production cost.
Drawings
Fig. 1 is an exploded view of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A lithium ion battery with heat dissipation and anti-seismic effects is characterized by comprising a face cover 1, a bottom shell 2, a suspension assembly and a battery assembly 3, wherein the face cover 1 is arranged on the bottom shell 2, the battery assembly 3 is arranged on the suspension assembly, and the suspension assembly and the battery assembly 3 are both accommodated in the face cover 1 and the bottom shell 2; the suspension assembly is connected to the cover 1, so that the battery assembly 3 is suspended above the bottom case 2, and a suspension cavity (not shown, but only a gap for separating the battery assembly 3 from the bottom case 2) for separating the battery assembly 3 from the bottom surface of the bottom case 2 is formed between the battery assembly 3 and the bottom case 2. And the face cover 1 is also provided with an explosion-proof through hole 11, the explosion-proof through hole 11 is communicated to the battery component, and an explosion-proof sheet 12 is fixedly arranged on the explosion-proof through hole 11. Specifically, the inside of the combination of the face cover and the bottom shell is provided with an accommodating cavity, the suspension assembly and the battery assembly are accommodated in the accommodating cavity, and the suspension assembly is connected with the face of the face cover in the accommodating cavity. The battery assembly is a battery assembly of a lithium battery in the prior art.
Further, the explosion-proof piece 12 is an explosion-proof lens.
Further, the bottom shell 2 and the face cover 1 are detachably connected.
Further, the suspension assembly comprises a hoisting lower shell 4 and a hoisting upper shell 5, the hoisting lower shell 4 is connected with the hoisting upper shell 5, the battery assembly 3 is arranged on the hoisting lower shell 4, and the hoisting upper shell 5 is connected with the surface cover 1.
Further, hoist and mount inferior valve 4 and 5 detachable connections of hoist and mount epitheca, battery pack 3 and hoist and mount inferior valve 4 and hoist and mount epitheca 5 are detachable connection with face lid 1.
Further, a handle 13 is fixedly arranged on the upper side surface of the surface cover 1.
Furthermore, a plurality of heat dissipation holes 14 are formed in the face cover 1.
Further, an aluminum panel 15 is fixedly arranged on the upper side surface of the face cover.
Furthermore, the whole lithium ion battery is cuboid.
The beneficial effects of the utility model reside in that, compare in prior art the utility model discloses in, when this lithium ion battery intensifies, the inside gas expansion of battery produces high temperature high-pressure gas, and when pressure increased to a certain extent, through breaking the explosion-proof piece of explosion-proof through-hole department for high temperature high-pressure gas in time discharges to the outside, can prevent that lithium ion battery from appearing the phenomenon of burning, explosion. And still through the setting of hanging the subassembly for battery pack separates with the drain pan, is formed with unsettled cavity, in this lithium ion battery's use, can reduce the effort of drain pan to the group battery greatly, plays a fine shockproof effect operation effect. And the lithium ion battery has simple structure, is convenient for production and processing, and has lower production cost.
The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the design of the present invention within the technical scope of the present invention.
Claims (9)
1. A lithium ion battery with an explosion-proof structure is characterized by comprising a face cover, a bottom shell, a suspension assembly and a battery assembly, wherein the face cover is arranged on the bottom shell; the suspension assembly is connected with the face cover so that the battery assembly is suspended above the bottom shell, and a suspension cavity for separating the battery assembly from the bottom shell is formed between the battery assembly and the bottom shell; and the face cover is also provided with an explosion-proof through hole, and an explosion-proof sheet is arranged on the explosion-proof through hole.
2. The lithium ion battery with the explosion-proof structure is characterized in that the explosion-proof sheet is an explosion-proof lens.
3. The lithium ion battery with the explosion-proof structure as claimed in claim 1, wherein the bottom case and the face cover are detachably connected.
4. The lithium ion battery with the explosion-proof structure is characterized in that the suspension assembly comprises a hoisting lower shell and a hoisting upper shell, the hoisting lower shell is connected with the hoisting upper shell, the battery assembly is arranged on the hoisting lower shell, and the hoisting upper shell is connected with the surface cover.
5. The lithium ion battery with the explosion-proof structure is characterized in that the hoisting lower shell and the hoisting upper shell are detachably connected, and the battery assembly, the hoisting lower shell, the hoisting upper shell and the surface cover are detachably connected.
6. The lithium ion battery with the explosion-proof structure is characterized in that a handle is fixedly arranged on the upper side face of the face cover.
7. The lithium ion battery with the explosion-proof structure as claimed in claim 1, wherein an aluminum panel is fixedly arranged on the upper side surface of the face cover.
8. The lithium ion battery with the explosion-proof structure as claimed in claim 7, wherein a plurality of heat dissipation holes are formed on the surface cover.
9. The lithium ion battery with the explosion-proof structure is characterized in that the whole lithium ion battery is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022894223.0U CN213878325U (en) | 2020-12-02 | 2020-12-02 | Lithium ion battery with explosion-proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022894223.0U CN213878325U (en) | 2020-12-02 | 2020-12-02 | Lithium ion battery with explosion-proof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213878325U true CN213878325U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022894223.0U Active CN213878325U (en) | 2020-12-02 | 2020-12-02 | Lithium ion battery with explosion-proof structure |
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| Country | Link |
|---|---|
| CN (1) | CN213878325U (en) |
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2020
- 2020-12-02 CN CN202022894223.0U patent/CN213878325U/en active Active
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