Anti-collision protection device of nickel-metal hydride battery

By designing the anti-collision shell, heat sink, buffer mechanism and protection mechanism in the anti-collision protection device of the nickel-hydrogen battery, the problem of weak anti-collision effect in the prior art is solved, and higher impact resistance and battery safety are achieved.

CN222673180UActive Publication Date: 2025-03-25SHENZHEN JCY BATTERY CO LTD
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Patent Information

Application Number
CN202421305622.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-25
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The existing nickel-hydrogen battery safety protection devices have weak protection effects and insufficient stability when facing mechanical collisions.

Method used

A collision protection device for nickel-hydrogen battery is designed, including a collision protection shell, a heat sink, a buffer mechanism and a protection mechanism. The heat dissipation ability of the battery is improved by installing a heat sink on the anti-collision shell and a buffer mechanism is provided on both sides of the shell to absorb external collision force.

Benefits of technology

By fixing the nickel-hydrogen battery body through the reinforcement mechanism, combined with the design of the heat dissipation and buffering mechanism, the nickel-hydrogen battery's resistance to external impacts is significantly improved, and the probability of battery damage is reduced.

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Abstract

The utility model provides an anti-collision protection device of a nickel-metal hydride battery, which belongs to the technical field of anti-collision protection of the nickel-metal hydride battery and comprises an anti-collision shell, two heat dissipation plates are mounted on the surfaces of the front side and the rear side of the anti-collision shell, and buffer mechanisms are mounted on the surfaces of the left side and the right side of the anti-collision shell. The outer side of the anti-collision shell is provided with a protection mechanism for protecting the anti-collision shell, and the surface of the anti-collision shell is provided with a plurality of connecting interfaces at equal intervals. According to the scheme, through the arrangement of a reinforcing mechanism, a plurality of nickel-metal hydride battery bodies can be fixed in the anti-collision shell, and at the moment, heat dissipation can be performed through a heat dissipation plate; and then the buffer mechanism and the anti-collision shell are fixed through the protection mechanism, the buffer mechanism and the anti-collision shell are protected, and meanwhile, the buffer mechanism can limit the anti-collision shell, so that a secondary protection effect is achieved, and the probability that the nickel-metal hydride battery body is damaged due to external collision is further reduced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of nickel-hydrogen battery anti-collision protection, and in particular relates to an anti-collision protection device for a nickel-hydrogen battery. Background Art

[0002] Nickel-metal hydride battery is a kind of storage battery with good performance. Nickel-metal hydride battery is divided into high-voltage nickel-metal hydride battery and low-voltage nickel-metal hydride battery. The positive active material of nickel-metal hydride battery is Ni(OH) 2 (called NiO electrode), the negative electrode active material is metal hydride, also called hydrogen storage alloy (the electrode is called hydrogen storage electrode), and the electrolyte is 6 mol / L potassium hydroxide solution. Nickel-hydrogen batteries are increasingly being noticed as an important direction for hydrogen energy applications.

[0003] The existing public patent number is CN212434763U, and the public name is a high-voltage nickel-hydrogen battery safety protection device, which includes a sealed shell, a battery positive electrode column and a battery negative electrode column are arranged on the upper part of the sealed shell, a battery safety valve is arranged between the battery positive electrode column and the battery negative electrode column, and a plurality of nickel-hydrogen battery cells are arranged in the sealed shell, and the nickel-hydrogen battery cells are arranged as square batteries.

[0004] Although the above-mentioned safety protection device has a moisture-proof effect on the inside of the shell through the moisture-proof layer to prevent the entry of internal water vapor, causing the battery to get damp and thus affecting the service life, the heat transfer plate effectively increases the internal cooling speed, thereby accelerating the heat dissipation speed in the shell, and the internal heat is dissipated from the heat outlet groove on the closed shell to achieve the purpose of rapid cooling. While dissipating heat, the filter net provided can prevent external dust from entering the inside of the shell, thereby comprehensively solving the heat dissipation and safety problems of high-voltage nickel-hydrogen batteries, and having high-temperature protection and explosion-proof functions, but the protection structure of the above-mentioned safety protection device is mostly internal protection, and the protection effect against common mechanical collisions is weak, and the stability of the protection device is weak. Utility Model Content

[0005] The utility model aims to provide an anti-collision protection device for a nickel-hydrogen battery, aiming to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A collision protection device for a nickel-hydrogen battery comprises: an collision protection shell, two heat dissipation plates are installed on the surfaces of the front and rear sides of the collision protection shell, buffer mechanisms are installed on the surfaces of the left and right sides of the collision protection shell, a protection mechanism for protecting the collision protection shell is installed on the outer side of the collision protection shell, a plurality of connection interfaces are equidistantly arranged on the surface of the collision protection shell, a plurality of spring hinges respectively adapted to the plurality of connection interfaces are installed on the surface of the collision protection shell, a dustproof plate is installed on the surface of the spring hinge connection block, a plurality of nickel-hydrogen battery bodies are arranged inside the collision protection shell, the plurality of nickel-hydrogen battery bodies are electrically connected through electrode sheets, and a reinforcement mechanism for reinforcing the nickel-hydrogen battery bodies is arranged inside the collision protection shell.

[0008] As a preferred solution of the utility model, the buffer mechanism includes a buffer shell and a buffer plate arranged on one side of the anti-collision shell, a support frame is installed inside the buffer shell, spring telescopic rods are installed on both sides of the inner wall of the support frame, one end of the inner side of the spring telescopic rod is fixedly connected to a movable shaft, the surface of the movable shaft is rotatably connected to a connecting piece, and the connecting piece is rotatably connected to the surface of the buffer plate.

[0009] As a preferred solution of the utility model, a damper is installed on the surface of the buffer shell, and the top end of the damper is fixedly connected to the buffer plate, and a buffer spring is installed on the surface of the damper.

[0010] As a preferred solution of the utility model, the protection mechanism includes a lower protection seat arranged at the bottom of the anti-collision shell and an upper protection seat arranged at the top of the anti-collision shell, a first connecting plate is installed on the upper surface of the lower protection seat, and a plurality of second connecting plates adapted to the first connecting plates are installed on the bottom of the upper protection seat.

[0011] As a preferred solution of the utility model, a plurality of fixing screws are arranged on the surface of the second connecting plate, a plurality of fixing nuts adapted to the fixing screws are arranged on the surface of the first connecting plate, and a plurality of mounting plates are installed on the surface of the lower protective seat.

[0012] As a preferred solution of the utility model, the reinforcement mechanism includes two groups of first reinforcement blocks installed on the inner wall of the anti-collision shell, the inner wall of the first reinforcement block is provided with a second reinforcement block, and the nickel-hydrogen battery body is clamped to the inner wall of the second reinforcement block, the inner wall of the first reinforcement block is provided with a clamping groove, and the surface of the second reinforcement block is provided with a clamping protrusion adapted to the clamping groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] This solution can fix multiple nickel-hydrogen battery bodies inside the anti-collision shell through the setting of the reinforcement mechanism. At this time, heat can be dissipated through the heat dissipation plate. Then, the buffer mechanism and the anti-collision shell are fixed and protected by the protection mechanism. At the same time, the buffer mechanism will limit the anti-collision shell, thereby playing a secondary protection role, thereby reducing the probability of damage to the nickel-hydrogen battery body due to external impact. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is an exploded view of a local structure in the structure of the utility model;

[0019] Figure 3 It is a cross-sectional view of the buffer mechanism in the structure of the utility model;

[0020] Figure 4 It is an exploded view of the protection mechanism in the structure of the utility model.

[0021] In the figure: 1. anti-collision shell; 2. heat sink; 3. buffer mechanism; 301. buffer shell; 302. support frame; 303. spring telescopic rod; 304. movable shaft; 305. connecting piece; 306. buffer plate; 307. damper; 308. buffer spring; 4. protection mechanism; 401. lower protection seat; 402. upper protection seat; 403. first connecting plate; 404. second connecting plate; 405. fixing screw; 406. fixing nut; 407. mounting plate; 5. connection interface; 6. spring hinge; 7. dustproof plate; 8. nickel-metal hydride battery body; 9. electrode sheet; 10. reinforcement mechanism; 1001. first reinforcement block; 1002. snap-in groove; 1003. second reinforcement block; 1004. snap-in protrusion. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figure 1-4 , the technical solution provided by this embodiment is as follows:

[0025] A collision protection device for a nickel-hydrogen battery comprises: an collision protection shell 1, two heat dissipation plates 2 are installed on the surfaces of the front and rear sides of the collision protection shell 1, a buffer mechanism 3 is installed on the surfaces of the left and right sides of the collision protection shell 1, a protection mechanism 4 for protecting the collision protection shell 1 is installed on the outer side of the collision protection shell 1, a plurality of connection interfaces 5 are arranged equidistantly on the surface of the collision protection shell 1, a plurality of spring hinges 6 respectively adapted to the plurality of connection interfaces 5 are installed on the surface of the collision protection shell 1, a dustproof plate 7 is installed on the surface of the connection block of the spring hinge 6, a plurality of nickel-hydrogen battery bodies 8 are arranged inside the collision protection shell 1, and a plurality of nickel-hydrogen battery bodies 8 are arranged on the inner side of the collision protection shell 1. The battery body 8 is electrically connected through the electrode sheet 9, and the interior of the anti-collision shell 1 is provided with a reinforcement mechanism 10 for reinforcing the nickel-hydrogen battery body 8. Through the setting of the reinforcement mechanism 10, multiple nickel-hydrogen battery bodies 8 can be fixed inside the anti-collision shell 1. At this time, heat can be dissipated through the heat dissipation plate 2, and then the buffer mechanism 3 and the anti-collision shell 1 are fixed through the protection mechanism 4, and the buffer mechanism 3 and the anti-collision shell 1 are protected. At the same time, the buffer mechanism 3 will provide secondary protection to the anti-collision shell 1, thereby reducing the probability of damage to the nickel-hydrogen battery body 8 due to external impact.

[0026] Specifically, the buffer mechanism 3 includes a buffer shell 301 and a buffer plate 306 arranged on one side of the anti-collision shell 1, a support frame 302 is installed inside the buffer shell 301, and spring telescopic rods 303 are installed on both sides of the inner wall of the support frame 302, one end of the inner side of the spring telescopic rod 303 is fixedly connected to a movable shaft 304, the surface of the movable shaft 304 is rotatably connected to a connecting member 305, and the connecting member 305 is rotatably connected to the surface of the buffer plate 306, a damper 307 is installed on the surface of the buffer shell 301, and the top end of the damper 307 is fixedly connected to the buffer plate 306, and a buffer spring 308 is installed on the surface of the damper 307.

[0027] In a specific embodiment of the utility model, when the reinforcement mechanism 10 is placed inside the anti-collision shell 1, the buffer plate 306 will be pressed. At this time, the buffer plate 306 will transmit the force through the connecting member 305 and the buffer spring 308. The connecting member 305 will transmit the force to the spring telescopic rod 303 through the movable shaft 304. At this time, the spring telescopic rod 303, the damper 307 and the buffer spring 308 will absorb the force and protect the reinforcement mechanism 10. When subjected to external forces, the spring telescopic rod 303, the damper 307 and the buffer spring 308 will also absorb the force.

[0028] Specifically, the protection mechanism 4 includes a lower protection seat 401 arranged at the bottom of the anti-collision shell 1 and an upper protection seat 402 arranged at the top of the anti-collision shell 1, a first connecting plate 403 is installed on the upper surface of the lower protection seat 401, a plurality of second connecting plates 404 adapted to the first connecting plate 403 are installed on the bottom of the upper protection seat 402, a plurality of fixing screws 405 are arranged on the surface of the second connecting plate 404, a plurality of fixing nuts 406 adapted to the fixing screws 405 are arranged on the surface of the first connecting plate 403, and a plurality of mounting plates 407 are installed on the surface of the lower protection seat 401.

[0029] In a specific embodiment of the utility model, the anti-collision shell 1 and the buffer mechanism 3 can be placed through the lower protective seat 401, and then the upper protective seat 402 is used to limit the anti-collision shell 1 and the buffer mechanism 3 from above, and then the first connecting plate 403 and the second connecting plate 404 are fixed by the fixing screws 405 and the fixing nuts 406. At this time, the anti-collision shell 1 and the heat sink 2 can be limited by the lower protective seat 401 and the upper protective seat 402.

[0030] Specifically, the reinforcement mechanism 10 includes two groups of first reinforcement blocks 1001 installed on the inner wall of the anti-collision shell 1, the inner wall of the first reinforcement block 1001 is provided with a second reinforcement block 1003, and the nickel-hydrogen battery body 8 is clamped on the inner wall of the second reinforcement block 1003, the inner wall of the first reinforcement block 1001 is provided with a clamping groove 1002, and the surface of the second reinforcement block 1003 is provided with a clamping protrusion 1004 adapted to the clamping groove 1002.

[0031] In a specific embodiment of the present invention, the nickel-hydrogen battery body 8 is snapped into the interior of the second reinforcement block 1003, and then snapped into the interior of the first reinforcement block 1001 through the snap-in groove 1002 and the snap-in protrusion 1004, and then the first reinforcement block 1001 is placed inside the anti-collision shell 1.

[0032] Working principle: First, insert the nickel-metal hydride battery body 8 into the interior of the second reinforcement block 1003, and then insert it into the interior of the first reinforcement block 1001 through the clamping groove 1002 and the clamping protrusion 1004, and then place the first reinforcement block 1001 inside the anti-collision shell 1, and then place the reinforcement mechanism 10 into the inner side of the anti-collision shell 1 to press the buffer plate 306. At this time, the buffer plate 306 will transfer the force through the connecting piece 305 and the buffer spring 308, and the connecting piece 305 will transmit the force to the spring telescopic rod 303 through the moving shaft 304. At this time, the spring telescopic rod 303, the damper 307 and the buffer spring 308 will absorb the force and protect the reinforcement mechanism 10. When affected by the outside world, the spring telescopic rod 303, the damper 307 and the buffer spring 308 will also For force absorption, multiple nickel-hydrogen battery bodies 8 can be fixed inside the anti-collision shell 1 through the setting of the reinforcement mechanism 10. At this time, heat can be dissipated through the heat sink 2, and then the anti-collision shell 1 and the buffer mechanism 3 can be placed through the lower protective seat 401, and then the upper protective seat 402 is used to limit the anti-collision shell 1 and the buffer mechanism 3 from above, and then the first connecting plate 403 and the second connecting plate 404 are fixed by the fixing screws 405 and the fixing nuts 406. At this time, the anti-collision shell 1 and the heat sink 2 can be limited by the lower protective seat 401 and the upper protective seat 402, and the buffer mechanism 3 and the anti-collision shell 1 can be protected. At the same time, the buffer mechanism 3 will provide secondary protection for the anti-collision shell 1, thereby reducing the probability of damage to the nickel-hydrogen battery body 8 due to external impact.

[0033] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A nickel-hydrogen battery anti-collision protection device, characterized in that: include: A collision-proof shell (1), wherein two heat dissipation plates (2) are installed on the surfaces of both the front and rear sides of the collision-proof shell (1), buffer mechanisms (3) are installed on the surfaces of the left and right sides of the collision-proof shell (1), a protective mechanism (4) for protecting the collision-proof shell (1) is installed on the outer side of the collision-proof shell (1), a plurality of connection interfaces (5) are arranged equidistantly on the surface of the collision-proof shell (1), a plurality of spring hinges (6) respectively adapted to the plurality of connection interfaces (5) are installed on the surface of the collision-proof shell (1), a dustproof plate (7) is installed on the surface of the connection block of the spring hinge (6), a plurality of nickel-hydrogen battery bodies (8) are arranged inside the collision-proof shell (1), the plurality of nickel-hydrogen battery bodies (8) are electrically connected via electrode sheets (9), and a reinforcement mechanism (10) for reinforcing the nickel-hydrogen battery bodies (8) is arranged inside the collision-proof shell (1).

2. The anti-collision protection device for a nickel-hydrogen battery according to claim 1, characterized in that: The buffer mechanism (3) comprises a buffer shell (301) and a buffer plate (306) arranged on one side of the anti-collision shell (1); a support frame (302) is installed inside the buffer shell (301); spring telescopic rods (303) are installed on both sides of the inner wall of the support frame (302); one end of the inner side of the spring telescopic rod (303) is fixedly connected to a movable shaft (304); a connecting piece (305) is rotatably connected to the surface of the movable shaft (304); and the connecting piece (305) is rotatably connected to the surface of the buffer plate (306).

3. The anti-collision protection device for a nickel-hydrogen battery according to claim 2, characterized in that: A damper (307) is installed on the surface of the buffer shell (301), and the top end of the damper (307) is fixedly connected to the buffer plate (306), and a buffer spring (308) is installed on the surface of the damper (307).

4. The anti-collision protection device for a nickel-hydrogen battery according to claim 1, characterized in that: The protection mechanism (4) comprises a lower protection seat (401) arranged at the bottom of the anti-collision shell (1) and an upper protection seat (402) arranged at the top of the anti-collision shell (1); a first connecting plate (403) is installed on the upper surface of the lower protection seat (401); and a plurality of second connecting plates (404) adapted to the first connecting plates (403) are installed on the bottom of the upper protection seat (402).

5. The anti-collision protection device for a nickel-hydrogen battery according to claim 4, characterized in that: The surface of the second connecting plate (404) is provided with a plurality of fixing screws (405), the surface of the first connecting plate (403) is provided with a plurality of fixing nuts (406) adapted to the fixing screws (405), and the surface of the lower protective seat (401) is installed with a plurality of mounting plates (407).

6. The anti-collision protection device for a nickel-hydrogen battery according to claim 5, characterized in that: The reinforcement mechanism (10) comprises two groups of first reinforcement blocks (1001) mounted on the inner wall of the anti-collision shell (1); the inner wall of the first reinforcement block (1001) is provided with a second reinforcement block (1003); the nickel-hydrogen battery body (8) is snap-connected to the inner wall of the second reinforcement block (1003); the inner wall of the first reinforcement block (1001) is provided with a snap-connecting groove (1002); and the surface of the second reinforcement block (1003) is provided with a snap-connecting protrusion (1004) adapted to the snap-connecting groove (1002).

Citation Information

Patent Citations

  • Safety protection device for high-voltage nickel-metal hydride battery

    CN212434763U