CN212622974U

CN212622974U - Explosion-proof box for lithium battery short circuit test

Info

Publication number: CN212622974U
Application number: CN202021331304.3U
Authority: CN
Inventors: 吴文; 金冰华; 蒙满康
Original assignee: Huizhou Leading New Energy Technology Co ltd
Current assignee: Huizhou Leading New Energy Technology Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-02-26
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses an explosion-proof case is used in test of lithium cell short circuit relates to lithium cell safety inspection equipment technical field, detects time measuring to current lithium cell carrying on the short circuit, lacks certain safeguard measure, and the lithium cell is likely to take place the burning when leading to detecting to bring dangerous problem, the following scheme is proposed to the present, and it includes bottom plate and lithium cell, the last fixed surface of bottom plate installs battery clamp, water tank and detection ammeter, the water tank is located the both sides setting of battery clamp respectively with the detection ammeter, the upper surface of bottom plate articulates there is the explosion-proof cover, just the explosion-proof cover is located the top setting of battery clamp, the fixed surface of explosion-proof cover installs the handle. The utility model discloses novel structure, and the device not only have higher security when the lithium cell short circuit test, have the function of the smog that purifies the lithium cell burning and produce simultaneously to protect tester's physical and mental health's function, it is more practical.

Description

Explosion-proof box for lithium battery short circuit test

Technical Field

The utility model relates to a lithium cell safety inspection equipment technical field especially relates to an explosion-proof case is used in test of lithium cell short circuit.

Background

Before the lithium battery leaves a factory, in order to ensure the safety of the battery, a short circuit test is usually performed on the lithium battery, and in the battery short circuit detection, the safety performance of the lithium battery is judged by detecting the change of the surface temperature of the battery and the leakage of the battery, observing whether the lithium battery burns or explodes, and the like.

The conventional lithium battery short circuit testing device is lack of a certain protection device, and the danger of battery combustion or explosion exists in the process of battery short circuit testing, so that certain danger is generated; meanwhile, when the battery is burnt or exploded, open fire generated by burning of the lithium battery cannot be timely extinguished, and the risk of an experiment is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides an explosion-proof case is used in test of lithium cell short circuit has solved current lithium cell and has carried out the short circuit and examine time measuring, lacks certain safeguard measure, and the lithium cell can take place the burning when leading to detecting to bring dangerous problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an explosion-proof box for a lithium battery short circuit test comprises a bottom plate and a lithium battery, wherein a battery clamp, a water tank and a detection electric meter are fixedly arranged on the upper surface of the bottom plate, the water tank and the detection electric meter are respectively arranged on two sides of the battery clamp, an explosion-proof cover is hinged to the upper surface of the bottom plate, the explosion-proof cover is arranged above the battery clamp, a handle is fixedly arranged on the surface of the explosion-proof cover, symmetrically distributed water spray heads are fixedly arranged on the inner wall of the top end of the explosion-proof cover, a water pump is fixedly arranged on the upper surface of the water tank, a water conveying pipe is fixedly arranged at the output end of the water pump, one end of the water conveying pipe, which is far away from the water pump, is fixedly connected with the water spray heads, a fan bin is fixedly arranged on the surface of the top end of the explosion-proof cover, the fan bin penetrates through the inner, the explosion-proof cover is kept away from in the fan storehouse one side fixed surface installs the purification storehouse, just purification storehouse and fan storehouse intercommunication, the one end fixed mounting that the fan storehouse was kept away from in the purification storehouse has the outlet duct, just outlet duct and fan storehouse communicate each other.

Preferably, the lower surface of the bottom plate is fixedly provided with universal wheels which are uniformly distributed, and the side surface of the bottom plate is hinged with a pull rod.

Preferably, a filter is fixedly installed inside the purification bin.

Preferably, the outer surface of the explosion-proof cover is fixedly provided with a control knob, and the output end of the control knob is electrically connected with the water pump and the input end of the motor respectively.

Preferably, the inside centre gripping of battery clamp has the lithium cell, and lithium cell and detection ammeter electric connection.

Preferably, the side fixed mounting of water tank has the water injection pipe, just the water injection pipe is close to the top setting of water tank and communicates each other with the water tank.

The utility model has the advantages that:

1. have explosion-proof cover through the upper surface at the bottom plate is articulated to explosion-proof cover's inside is provided with the sprinkler bead of symmetric distribution, and the sprinkler bead all communicates with the raceway, can be with lithium cell and external isolated through explosion-proof cover, and the water pump can send into the sprinkler bead with the inside water of water tank through the raceway simultaneously, and the sprinkler bead is towards the inside water spray of explosion-proof cover, thereby makes the device have higher security when the test of lithium cell short circuit.

2. Through the inside at the battery compartment be provided with motor and fan, be provided with the filter through the inside at the purifying storehouse to make the motor drive the fan and rotate, the inside of purifying storehouse is inhaled to smog accessible fan that produces when burning or explosion take place for the lithium cell, and purify smog through the filter, thereby make the device have the function of the smog that the burning of purification lithium cell produced, thereby protect tester's physical and mental health's function.

In conclusion, the device not only has higher security when the lithium cell short circuit test, has the function of purifying the smog that the lithium cell burning produced simultaneously to protect tester's physical and mental health's function, it is more practical.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the structural schematic diagram of the explosion-proof cover in the open state.

Fig. 3 is the internal structure cross-sectional view of the fan bin and the purifying bin of the present invention.

Reference numbers in the figures: 1. a base plate; 2. a universal wheel; 3. a pull rod; 4. a battery holder; 5. detecting an ammeter; 6. an explosion-proof cover; 7. a handle; 8. a water tank; 9. a water pump; 10. a water delivery pipe; 11. a sprinkler head; 12. a fan bin; 13. a motor; 14. a fan; 15. a purifying bin; 16. a filter; 17. an air outlet pipe; 18. a control knob; 19. a water injection pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an explosion-proof box for a lithium battery short circuit test comprises a bottom plate 1 and a lithium battery, wherein a battery clamp 4, a water tank 8 and a detection electric meter 5 are fixedly mounted on the upper surface of the bottom plate 1, the water tank 8 and the detection electric meter 5 are respectively arranged on two sides of the battery clamp 4, an explosion-proof cover 6 is hinged on the upper surface of the bottom plate 1, the explosion-proof cover 6 is arranged above the battery clamp 4, a handle 7 is fixedly mounted on the surface of the explosion-proof cover 6, symmetrically distributed water spray heads 11 are fixedly mounted on the inner wall of the top end of the explosion-proof cover 6, a water pump 9 is fixedly mounted on the upper surface of the water tank 8, a water pipe 10 is fixedly mounted at the output end of the water pump 9, one end of the water pipe 10 far away from the water pump 9 is fixedly connected with the water spray heads 11, a fan bin 12 is fixedly mounted on the surface of the top end of the, the inside fixed mounting of fan storehouse 12 has motor 13, the one end fixed mounting that motor 13 was kept away from to the output shaft of motor 13 has fan 14, one side fixed surface that explosion-proof cover 6 was kept away from in fan storehouse 12 installs purifying chamber 15, just purifying chamber 15 and fan storehouse 12 intercommunication, the one end fixed mounting that fan storehouse 12 was kept away from in purifying chamber 15 has outlet duct 17, just outlet duct 17 and fan storehouse 12 communicate each other, the lower fixed surface of bottom plate 1 installs evenly distributed's universal wheel 2, and the side of bottom plate 1 articulates there is pull rod 3, the inside fixed mounting of purifying chamber 15 has filter 16, the outer fixed surface of explosion-proof cover 6 installs control knob 18, and the output of control knob 18 respectively with water pump 9 and motor 13's input electric connection, the inside centre gripping of battery clamp 4 has the lithium cell, and lithium cell and 5 electric connection of detection ammeter, the side fixed mounting of water tank 8 has water injection pipe 19, just water injection pipe 19 is close to the top setting of water tank 8 and communicates each other with water tank 8.

The working principle is as follows: when the device is used, firstly, the lithium battery is clamped in the battery clamp 4, then, the positive electrode and the negative electrode of the lithium battery are respectively and electrically connected with the detection ammeter 5, then, the explosion-proof cover 6 is rotated through the handle 7, so that the explosion-proof cover 6 is buckled above the lithium battery, and then, the short circuit test can be carried out on the lithium battery through the detection ammeter 5;

when the current generated inside the lithium battery is too large, so that the lithium battery is burned or exploded, the lithium battery is isolated from the outside by an explosion-proof cover 6 covering the lithium battery, and the water pump 9 can be controlled to start by a control knob 18, so that the water pump 9 conveys the water inside the water tank 8 to the inside of the water conveying pipe 10, and the water is conveyed to the water spraying head 11 through the water conveying pipe 10, the water is sprayed to the inside of the explosion-proof cover 6 through the water spraying head 11, thereby extinguishing fire of the burning lithium battery, ensuring certain safety when the lithium battery is detected in short circuit, and the motor 13 is activated by means of the control knob 18, so that the motor 13 rotates the fan 14, thereby inhale the inside of purifying storehouse 15 with the smog that lithium cell burning produced to filter 16 through purifying storehouse 15 inside setting purifies smog, thereby protect tester's physical and mental health.

The above, only be the concrete implementation 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 is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an explosion-proof box for lithium battery short circuit test, includes bottom plate (1) and lithium cell, its characterized in that, the last fixed surface of bottom plate (1) installs battery clamp (4), water tank (8) and detection ammeter (5) are located the both sides setting of battery clamp (4) respectively, the upper surface of bottom plate (1) articulates there is explosion-proof cover (6), and explosion-proof cover (6) are located the top setting of battery clamp (4), the fixed surface of explosion-proof cover (6) installs handle (7), and the top inner wall fixed mounting of explosion-proof cover (6) has symmetrically distributed sprinkler bead (11), the last fixed surface of water tank (8) installs water pump (9), the output end fixed mounting of water pump (9) has raceway (10), just one end and sprinkler bead (11) fixed connection that water pump (9) were kept away from to raceway (10), the top fixed surface of explosion-proof cover (6) installs fan storehouse (12), just fan storehouse (12) runs through the top inner wall of explosion-proof cover (6), the inside fixed mounting of fan storehouse (12) has motor (13), the one end fixed mounting that motor (13) were kept away from to the output shaft of motor (13) has fan (14), one side fixed surface that explosion-proof cover (6) was kept away from in fan storehouse (12) installs purifying chamber (15), just purifying chamber (15) and fan storehouse (12) intercommunication, the one end fixed mounting that fan storehouse (12) were kept away from in purifying chamber (15) has outlet duct (17), just outlet duct (17) and fan storehouse (12) communicate each other.

2. The explosion-proof box for the lithium battery short circuit test according to claim 1, wherein the lower surface of the bottom plate (1) is fixedly provided with universal wheels (2) which are uniformly distributed, and the side surface of the bottom plate (1) is hinged with a pull rod (3).

3. The explosion-proof tank for the short circuit test of the lithium battery as claimed in claim 1, wherein a filter (16) is fixedly installed inside the purification bin (15).

4. The explosion-proof tank for the lithium battery short circuit test according to claim 1, wherein a control knob (18) is fixedly installed on the outer surface of the explosion-proof cover (6), and the output end of the control knob (18) is electrically connected with the water pump (9) and the input end of the motor (13) respectively.

5. The explosion-proof box for the lithium battery short circuit test as claimed in claim 1, wherein the lithium battery is clamped inside the battery clamp (4) and is electrically connected with the detection ammeter (5).

6. The explosion-proof tank for the lithium battery short circuit test according to claim 1, wherein a water injection pipe (19) is fixedly installed on a side surface of the water tank (8), and the water injection pipe (19) is arranged close to the top end of the water tank (8) and is communicated with the water tank (8).