CN219266486U

CN219266486U - Lithium battery performance testing device

Info

Publication number: CN219266486U
Application number: CN202223077428.5U
Authority: CN
Inventors: 程彦云; 胥海霞; 王福平; 谭亲朝; 于德伟; 尹朝国
Original assignee: Huizhou Duxun Electronics Co ltd
Current assignee: Huizhou Duxun Electronics Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-06-27
Anticipated expiration: 2032-11-21

Abstract

The utility model relates to a lithium battery performance testing device in the technical field of battery testing, wherein a smoke outlet is embedded in one side surface of an inner cavity of a testing box, a connecting pipe is fixedly connected to one side of the testing box, one end of the connecting pipe is fixedly connected with the smoke outlet, a purifying device is arranged on one side of the connecting pipe, a fan is fixedly connected to one side of the purifying device, a smoke exhaust pipe is fixedly connected to one side of the fan, and through the arranged smoke outlet, the connecting pipe, the purifying device and the fan, waste gas and smoke generated by the lithium battery can be purified and disinfected when the lithium battery bursts due to extrusion to generate smoke fire, the surrounding atmosphere is prevented from being polluted, and finally the lithium battery is discharged through the smoke exhaust pipe.

Description

Lithium battery performance testing device

Technical Field

The utility model relates to the technical field of battery testing, in particular to a lithium battery performance testing device.

Background

The lithium battery is the most commonly used power battery type in electric equipment, the lithium battery has the advantages of high energy density, high charging rate and strong discharging performance, and the lithium battery has no charge-discharge memory effect, is the first choice of a mobile power supply of various electric tools, toys and new energy equipment, but the safety of the lithium battery is questioned again and again due to the strong energy storage capacity discharging performance of the lithium battery, and particularly the bearing capacity and the performance under the extreme conditions that the lithium battery is subjected to puncture, extrusion, high temperature and overspray and the like are one of the key contents of the research and the development of the lithium battery, so the safety performance of the lithium battery is very necessary to be tested.

In the existing lithium battery performance test device test process, the lithium battery is often extruded to generate explosion or ignition, during which heavy smoke and exhaust gas can be generated, if the smoke and the exhaust gas are directly discharged into the atmosphere without being treated, the surrounding environment can be polluted, and if the generated smoke and the fire are not extinguished in time, dangers can be generated, so that the lithium battery performance test device is provided.

Disclosure of Invention

In view of the above problems, the present utility model provides a lithium battery performance testing device, so as to solve the problem that in the testing process of the existing lithium battery performance testing device provided in the background art, heavy smoke and exhaust gas are generated during the testing process, and if the smoke and the exhaust gas are not treated, the smoke and the exhaust gas are directly discharged into the atmosphere, so that pollution is caused to the surrounding environment.

The technical scheme of the utility model is as follows:

the utility model provides a lithium battery performance testing arrangement, includes the test box, the inner chamber top fixed mounting of test box has the hydraulic stem, the bottom fixed mounting of hydraulic stem has the pressure disk, the inner chamber bottom fixed mounting of test box has the chassis, the top surface on chassis is equipped with weight sensor, the top surface centre position embedding on chassis has temperature sensor, a side surface embedding of test box inner chamber has the exhaust port, one side fixedly connected with connecting pipe of test box, one end and the exhaust port fixed connection of connecting pipe, one side of connecting pipe is equipped with purifier, one side fixedly connected with fan of purifier, one side fixedly connected with exhaust pipe of fan.

The working principle of the technical scheme is as follows:

the lithium battery that starts the hydraulic stem and drive the pressure disk to chassis surface extrudees, when lithium battery caused bursting because of the extrusion and appears the firework, starts the fan, and the rotation of fan can produce suction, can inhale the inside smog of test box through the exhaust port, through the purifier who is equipped with, can purify and disinfect the waste gas and the smog that lithium battery produced, prevent to cause the pollution to the atmosphere around, finally discharges it through the exhaust pipe.

In further technical scheme, one side fixed mounting of test box has the controller, one side fixed surface of controller is connected with the display screen, the inner chamber top fixed mounting of test box has the pyrotechnical inductor, inner chamber one side fixed mounting of test box has the spray tube, the fixed surface of spray tube is connected with the shower nozzle, one side of test box is equipped with extinguishing device, extinguishing device and spray tube fixed connection.

The weight sensor and the temperature sensor can feed back on the surface of the display screen in real time, the observation of convenient use is realized, when the lithium battery bursts due to extrusion, the smoke and fire sensor can automatically sense the smoke and fire transmitted from the lower part, then the controller gives an instruction to the fire extinguishing device, and the fire extinguishing device can extinguish the fire on the surface of the lithium battery through the spray pipe and the spray head, so that the experimental safety of the device is improved.

In a further technical scheme, one side of the connecting pipe is provided with a filter screen, the top of the filter screen is fixedly connected with one end of the connecting pipe, and the filter screen is arranged between the connecting pipe and the purifying device.

Through the filter screen that is equipped with, can filter the granule in the smog, prevent to become the jam to subsequent purifier.

In a further technical scheme, one side of the test box is fixedly provided with a fixing frame, and the inside of the fixing frame is fixedly provided with a fire extinguishing device.

Through the mount that is equipped with, improved extinguishing device's stability, improved the security of work.

In a further technical scheme, one side of the test box is rotatably connected with a protective door, an observation port is formed in the surface of the protective door, and the observation port is made of toughened explosion-proof glass.

Through the viewing aperture that is equipped with, make things convenient for the experimenter to observe the test box is inside, the viewing aperture has improved its self intensity for toughened explosion-proof glass.

In a further technical scheme, a sealing gasket is fixedly arranged on one side surface of the test box, and a sealing groove is fixedly arranged on one side surface of the protective door.

Through sealing pad and the seal groove that are equipped with, improved the inside seal nature of test box, improved the safety in utilization.

The beneficial effects of the utility model are as follows:

1. by adopting the lithium battery performance testing device, when the lithium battery bursts due to extrusion and fireworks appear, the exhaust gas and the smog generated by the lithium battery can be purified and disinfected through the smoke outlet, the connecting pipe, the purifying device and the fan, so that the pollution to the surrounding atmosphere is prevented, and the lithium battery is finally discharged through the smoke discharging pipe.

2. According to the lithium battery performance testing device, through the spray nozzle, the fire extinguishing device and the smoke and fire sensor, when smoke and fire appear due to explosion caused by extrusion of the lithium battery, the smoke and fire sensor can automatically sense the smoke and fire transmitted from the lower part, then a command is given to the fire extinguishing device through the controller, and the fire extinguishing device can extinguish the fire on the surface of the lithium battery through the spray pipe and the spray nozzle, so that the experimental safety of the device is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the back structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the present utility model;

fig. 4 is a schematic view of the structure of the guard gate of the present utility model.

Reference numerals illustrate:

1. a test box; 2. a protective door; 3. an observation port; 4. a hydraulic rod; 5. a pressure plate; 6. a chassis; 7. a weight sensor; 8. a temperature sensor; 9. a smoke and fire sensor; 10. a spray head; 11. a fixing frame; 12. a fire extinguishing device; 13. a smoke outlet; 14. a connecting pipe; 15. a filter screen; 16. a purifying device; 17. a blower; 18. a smoke exhaust pipe; 19. a controller; 20. a display screen; 21. a sealing gasket; 22. and (5) sealing the groove.

Detailed Description

Embodiments of the present utility model are further described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-4, the utility model provides a lithium battery performance testing device, which comprises a testing box 1, wherein a hydraulic rod 4 is fixedly arranged at the top of an inner cavity of the testing box 1, a pressure plate 5 is fixedly arranged at the bottom end of the hydraulic rod 4, a chassis 6 is fixedly arranged at the bottom of the inner cavity of the testing box 1, a weight sensor 7 is arranged on the top surface of the chassis 6, a temperature sensor 8 is embedded in the middle position of the top surface of the chassis 6, a smoke outlet 13 is embedded in one side surface of the inner cavity of the testing box 1, a connecting pipe 14 is fixedly connected to one side of the testing box 1, one end of the connecting pipe 14 is fixedly connected with the smoke outlet 13, a purifying device 16 is arranged on one side of the connecting pipe 14, a fan 17 is fixedly connected to one side of the purifying device 16, and a smoke exhaust pipe 18 is fixedly connected to one side of the fan 17.

Specifically, one side fixed mounting of test box 1 has controller 19, one side fixed surface of controller 19 is connected with display 20, inner chamber top fixed mounting of test box 1 has smoke and fire inductor 9, inner chamber one side fixed mounting of test box 1 has the spray tube, the fixed surface of spray tube is connected with shower nozzle 10, one side of test box 1 is equipped with extinguishing device 12, extinguishing device 12 and spray tube fixed connection, one side of connecting pipe 14 is equipped with filter screen 15, the one end fixed connection of top and connecting pipe 14 of filter screen 15, filter screen 15 locates between connecting pipe 14 and purifier 16, one side fixed mounting of test box 1 has mount 11, the inside fixed mounting of mount 11 has extinguishing device 12, one side of test box 1 rotates and is connected with guard gate 2, the surface of guard gate 2 is equipped with viewing aperture 3, viewing aperture 3 is toughened explosion-proof glass preparation, one side fixed surface mounting of test box 1 has sealed pad 21, seal groove 22 has been seted up to one side fixed surface of guard gate 2.

The working principle and the beneficial effects of the embodiment are as follows.

When the lithium battery to be tested is placed on the surface of the chassis 6, then the protective door 2 is closed, the hydraulic rod 4 is started to drive the pressure plate 5 to extrude the lithium battery on the surface of the chassis 6, the feedback can be carried out on the surface of the display screen 20 in real time through the weight sensor 7 and the temperature sensor 8 which are arranged, the observation of the use is convenient, when the smoke and fire appear due to extrusion of the lithium battery, the smoke and fire sensor 9 can automatically sense the smoke and fire transmitted from the lower part, then an instruction is given to the fire extinguishing device 12 through the controller 19, the fire extinguishing device 12 can extinguish the fire on the surface of the lithium battery through the spray pipe and the spray head 10, so that the experimental safety of the device is improved, then the fan 17 is started, the suction force is generated by the rotation of the fan 17, the internal smoke of the test box 1 can be absorbed through the smoke outlet 13, particles in the smoke can be filtered through the filter screen 15 which is arranged, the subsequent purifying device 16 can be prevented from being blocked, the exhaust gas and the smoke generated by the lithium battery can be purified and disinfected, the surrounding atmosphere can be prevented from polluting the smoke and finally, and the smoke can be discharged through the smoke exhaust pipe 18.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. The utility model provides a lithium battery capability test device, includes the test box, its characterized in that: the utility model discloses a test box, including test box, inner chamber top fixed mounting, bottom fixed mounting, the bottom fixed mounting of test box have the chassis, the top surface on chassis is equipped with weight sensor, the positive position on top surface on chassis embeds there is temperature sensor, one side surface embedding of test box inner chamber has the exhaust port, one side fixedly connected with connecting pipe of test box, one end and the exhaust port fixed connection of connecting pipe, one side of connecting pipe is equipped with purifier, one side fixedly connected with fan of purifier, one side fixedly connected with exhaust pipe of fan.

2. The lithium battery performance test device according to claim 1, wherein: one side fixed mounting of test box has the controller, one side fixed surface of controller is connected with the display screen, the inner chamber top fixed mounting of test box has the pyrotechnical inductor, inner chamber one side fixed mounting of test box has the spray tube, the fixed surface of spray tube is connected with the shower nozzle, one side of test box is equipped with extinguishing device, extinguishing device and spray tube fixed connection.

3. The lithium battery performance test device according to claim 1, wherein: one side of the connecting pipe is provided with a filter screen, the top of the filter screen is fixedly connected with one end of the connecting pipe, and the filter screen is arranged between the connecting pipe and the purifying device.

4. The lithium battery performance test device according to claim 1, wherein: one side of the test box is fixedly provided with a fixing frame, and the inside of the fixing frame is fixedly provided with a fire extinguishing device.

5. The lithium battery performance test device according to claim 1, wherein: one side of the test box is rotatably connected with a protective door, the surface of the protective door is provided with an observation port, and the observation port is made of toughened explosion-proof glass.

6. The lithium battery performance test device according to claim 5, wherein: and a sealing gasket is fixedly arranged on one side surface of the test box, and a sealing groove is fixedly arranged on one side surface of the protective door.