Battery sealing cover of electric vehicle
By introducing anti-static sponge pads and fire-resistant cotton into the electric vehicle battery sealing cover, the problems of static electricity accumulation and fire risk in the battery compartment are solved, and the safety and normal operation of the electric vehicle battery system are improved.
Patent Information
- Application Number
- CN202420700587.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-08
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-08
AI Technical Summary
During the long-term use of electric vehicles, static electricity inside the battery compartment will gather, causing the battery system to fail to operate normally and there is a fire risk, reducing the safety of the electric vehicle battery system.
An electric vehicle battery sealing cover is designed, including a cover plate, sealing ring, moisture-absorbing sponge plate, fire-resistant cotton and anti-static sponge pad. The anti-static sponge pad is made of polyester fiber, which can reduce or prevent the accumulation and release of static electricity. The fire-resistant cotton is made of ceramic fiber to provide fire resistance and heat insulation.
Through the use of anti-static sponge pads, the impact of static electricity on the battery system is reduced, electromagnetic interference and fire risks are reduced, and the safety of electric vehicle battery system is improved. The use of fire-resistant cotton further reduces fire risk and provides thermal insulation and isolation.
Smart Images

Figure CN222673174U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of electric vehicles, in particular to a battery sealing cover of an electric vehicle. Background Art
[0002] Electric vehicle batteries are the main energy storage device of electric vehicles. They are responsible for storing electrical energy for the operation of electric vehicles. When electric vehicle batteries are used, a sealing cover is required to seal the battery compartment of the electric vehicle. Most of the existing electric vehicle battery sealing covers are Figure 1 As shown, the battery compartment of the electric vehicle is connected by a sealing cover and a fixing buckle, and the battery compartment is sealed to protect the battery installed inside the battery compartment of the electric vehicle. The problem with the above technical solution is that during the long-term use of the vehicle, the static electricity inside the battery compartment will slowly accumulate. When the static electricity accumulates too much, it will affect the battery system and will be accompanied by electromagnetic interference, thus causing the battery system to fail to operate normally. The fire risk is very likely to be caused during the electrostatic discharge process, which reduces the safety of the electric vehicle battery system. Utility Model Content
[0003] The purpose of the utility model is to solve the following problems existing in the prior art: during the long-term use of the vehicle, the static electricity inside the battery compartment will slowly accumulate. When the static electricity accumulates too much, it will affect the battery system and will be accompanied by electromagnetic interference, thus causing the battery system to be unable to operate normally. The fire risk is very likely to be caused during the static electricity discharge process, reducing the safety of the electric vehicle battery system.
[0004] In order to solve the problems existing in the prior art, the utility model provides an electric vehicle battery sealing cover, including a cover plate, a sealing ring and a moisture-absorbing sponge plate, two groups of fixing buckles are provided on both sides of the front of the cover plate, a sealing ring is provided on the front of the cover plate, two groups of moisture-absorbing sponge plates are provided on the inner side of the sealing ring, fireproof cotton is provided on the inner side of the moisture-absorbing sponge plate, an anti-static sponge pad is provided on the front of the fireproof cotton, two groups of pads are provided on both sides of the fireproof cotton, and an impact-resistant plate is provided on the back of the cover plate.
[0005] Furthermore, two sets of grooves are provided at both ends of the back side of the cover plate, and the cover plate can protect the battery compartment.
[0006] Furthermore, one end of the fixing buckle extends to the back of the cover plate, and the fixing buckle can connect the cover plate to the battery compartment.
[0007] Furthermore, the hygroscopic sponge board is made of polyurethane foam material, and the hygroscopic sponge board can absorb moisture in the air.
[0008] Furthermore, the fireproof cotton is made of ceramic fiber material, and the fireproof cotton can improve the fireproof effect inside the battery compartment.
[0009] Furthermore, the antistatic sponge pad is made of polyester fiber, and the antistatic sponge pad can reduce or minimize the accumulation of static electricity.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] The utility model can reduce or prevent the accumulation and release of static electricity through the anti-static sponge pad, which helps to reduce the impact of static electricity on the battery system. The anti-static sponge pad can also reduce electromagnetic interference, ensure the normal operation of the battery system, help reduce the risk of fire caused by static electricity discharge, and further improve the safety of the electric vehicle battery system. At the same time, it can maintain its anti-static properties under different environmental conditions, providing long-term and reliable protection for the battery system.
[0012] The utility model can play a certain degree of heat insulation and barrier role through the fireproof cotton, thereby limiting the impact of fire on the battery. The fireproof cotton can reduce the risk of fire and increase the overall safety of the electric vehicle battery system while hot. At the same time, the fireproof cotton can also play a role of heat insulation and isolation between battery modules, reducing heat transfer between battery modules. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the prior art;
[0014] Figure 2 It is a three-dimensional diagram of the utility model;
[0015] Figure 3 It is a rear perspective view of the utility model;
[0016] Figure 4 It is a schematic diagram of a partial three-dimensional structure of a cover plate of the utility model;
[0017] Figure numerals: 1. Cover plate; 2. Fixing buckle; 3. Sealing ring; 4. Moisture-absorbing sponge board; 5. Fireproof cotton; 6. Anti-static sponge pad; 7. Pad; 8. Impact-resistant plate. DETAILED DESCRIPTION
[0018] In order to make the technical means, creative features, objectives and effects of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.
[0019] The specific embodiments of the present utility model are described below in conjunction with the accompanying drawings.
[0020] Example 1
[0021] like Figure 1-4As shown, a sealing cover of an electric vehicle battery includes a cover plate 1, a sealing ring 3 and a moisture-absorbing sponge plate 4, two groups of fixing buckles 2 are arranged on both sides of the front of the cover plate 1, a sealing ring 3 is arranged on the front of the cover plate 1, two groups of moisture-absorbing sponge plates 4 are arranged on the inner side of the sealing ring 3, fireproof cotton 5 is arranged on the inner side of the moisture-absorbing sponge plate 4, an anti-static sponge pad 6 is arranged on the front of the fireproof cotton 5, two groups of pads 7 are arranged on both sides of the fireproof cotton 5, and an impact-resistant plate 8 is arranged on the back of the cover plate 1.
[0022] Description of working principle: After the staff completes the installation of the battery, they fix the cover plate 1 as a whole to the top of the vehicle battery box through the fixing buckle 2. During use, the moisture-absorbing sponge plate 4 can prevent rainwater or other liquids from penetrating into the battery sealing cover, thereby protecting the battery from damage. At the same time, the humidity inside the cover plate 1 can be controlled to prevent the battery from being affected by moisture. The fireproof cotton 5 can play a certain degree of insulation and barrier role, thereby limiting the impact of fire on the battery. The fireproof cotton 5 can reduce the risk of fire and increase the overall safety of the electric vehicle battery system while hot. At the same time, the fireproof cotton 5 can also play a role in insulation and isolation between battery modules, reducing heat transfer between battery modules. The anti-static sponge pad 6 can reduce or prevent the accumulation and release of static electricity, which helps to reduce the impact of static electricity on the battery system. The anti-static sponge pad 6 can also reduce electromagnetic interference, ensure the normal operation of the battery system, help reduce the risk of fire caused by electrostatic discharge, and further improve the safety of the electric vehicle battery system. At the same time, it can maintain its anti-static properties under different environmental conditions, providing long-term and reliable protection for the battery system.
[0023] The cover plate 1 is mainly used to seal the battery. When selected, two sets of grooves are provided at both ends of the back side of the cover plate 1.
[0024] The fixing buckle 2 is mainly used to connect the cover plate 1 to the vehicle. When selected, one end of the fixing buckle 2 extends to the back side of the cover plate 1.
[0025] The sealing ring 3 is mainly used to seal the connection area between the cover plate 1 and the vehicle, and when selecting it, a conventional one can be selected from the existing technology according to the needs.
[0026] The moisture absorbing sponge board 4 is mainly used for absorbing moisture in the air. When selected, the moisture absorbing sponge board 4 is made of polyurethane foam material.
[0027] The fireproof cotton 5 is mainly used to provide safety protection and fireproof effect. When selected, the fireproof cotton 5 is made of ceramic fiber material.
[0028] The antistatic sponge pad 6 is mainly used to reduce or eliminate static electricity. When selected, the antistatic sponge pad 6 is made of polyester fiber.
[0029] The backing plate 7 is mainly used to prevent the battery from directly adhering to the cover plate 1. When selecting, a conventional one can be selected from the prior art according to the needs.
[0030] The impact-resistant plate 8 is mainly used to protect the surface of the cover plate 1 from being damaged by external impact or collision. When selecting it, a conventional one can be selected from the existing technology according to the needs.
[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A sealing cover for an electric vehicle battery, comprising a cover plate (1), a sealing ring (3) and a moisture-absorbing sponge plate (4), characterized in that: Two groups of fixing buckles (2) are provided on both sides of the front of the cover plate (1); a sealing ring (3) is provided on the front of the cover plate (1); two groups of moisture-absorbing sponge plates (4) are provided on the inner side of the sealing ring (3); fire-proof cotton (5) is provided on the inner side of the moisture-absorbing sponge plate (4); an anti-static sponge pad (6) is provided on the front of the fire-proof cotton (5); two groups of pads (7) are provided on both sides of the fire-proof cotton (5); and an impact-resistant plate (8) is provided on the back of the cover plate (1).
2. The electric vehicle battery sealing cover according to claim 1, characterized in that: Two groups of grooves are provided at two ends of the back side of the cover plate (1).
3. The electric vehicle battery sealing cover according to claim 1, characterized in that: One end of the fixing buckle (2) extends to the back side of the cover plate (1).
4. The electric vehicle battery sealing cover according to claim 1, characterized in that: The moisture absorbing sponge plate (4) is made of polyurethane foam.
5. The electric vehicle battery sealing cover according to claim 1, characterized in that: The fireproof cotton (5) is made of ceramic fiber.
6. The electric vehicle battery sealing cover according to claim 1, characterized in that: The antistatic sponge pad (6) is made of polyester fiber.