CN212723244U

CN212723244U - Experiment box for lithium battery detection

Info

Publication number: CN212723244U
Application number: CN202021461601.XU
Authority: CN
Inventors: 李亮; 彭育华
Original assignee: Tianyan Testing Shenzhen Co ltd
Current assignee: Tianyan Testing Shenzhen Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-16
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a lithium battery test experiment box, which comprises a box body, the inside of box is provided with the experiment storehouse, the outer wall of box and the corresponding department in experiment storehouse are provided with the chamber door, the inner wall in experiment storehouse runs through and is provided with the joint that charges, the top in experiment storehouse is provided with the pipe of discharging fume, the top of pipe of discharging fume runs through the top of box, the inner wall of pipe of discharging fume is through support fixedly connected with smoke transducer, the bottom of experiment storehouse runs through and is provided with the collecting pipe, the bottom intercommunication of collecting pipe has the drain pipe, the water outlet end of drain pipe runs through the bottom of box; the utility model discloses a set up smoke transducer, solenoid valve, inlet tube, shower nozzle etc. can be when the lithium cell is smoked and is on fire, spray water to the lithium cell through the shower nozzle to carry out rapid cooling to the lithium cell, in order to restrain the intensity of a fire to stretch, and make flame extinguish gradually, response speed is faster, can in time extinguish flame, in order to avoid the experimental box to suffer the damage.

Description

Experiment box for lithium battery detection

Technical Field

The utility model relates to a test box specifically is a lithium cell detects uses test box.

Background

Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries. When the lithium battery is used for a charging test, the phenomenon of overheating and fire often occurs, and even explosion can occur in severe cases.

But current lithium cell experimental box lacks effectual extinguishing device, when the lithium cell was on fire in the detection experiment, the staff must in time use the fire extinguisher to put out a fire to avoid the experimental box to suffer damage, but the manual work is put out a fire and often is reacted slower, and the effect is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell detects uses experimental box to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an experimental box for lithium battery detection comprises a box body, wherein an experimental bin is arranged inside the box body, a box door is arranged at the position, corresponding to the experimental bin, of the outer wall of the box body, a charging joint is arranged on the inner wall of the experimental bin in a penetrating manner, a smoke exhaust pipe is arranged at the top of the experimental bin, the top end of the smoke exhaust pipe penetrates through the top of the box body, a smoke sensor is fixedly connected to the inner wall of the smoke exhaust pipe through a support, a collecting pipe is arranged at the bottom of the experimental bin in a penetrating manner, a drain pipe is communicated with the bottom end of the collecting pipe, the water outlet end of the drain pipe penetrates through the bottom of the box body, a pore plate is arranged at the top opening of the collecting pipe, a filter screen is arranged at the bottom of the pore plate, a placing table is fixedly connected to the top of the, the water inlet end of the water inlet pipe penetrates through the inner walls of the experiment bin and the box body, and the outer wall of the water inlet end of the water inlet pipe is provided with an electromagnetic valve.

As a further aspect of the present invention: and a filter element is arranged on the inner wall of the smoke exhaust pipe above the smoke sensor.

As a further aspect of the present invention: the outer wall of the smoke exhaust pipe is located above the filter element and is fixedly connected with a motor, a shaft extension end of the motor penetrates through a first bevel gear fixedly connected with the rear portion of the outer wall of the smoke exhaust pipe, the inner wall of the smoke exhaust pipe is connected with a rotating shaft in a rotating mode through a support, a fan is fixedly connected to the top end of the rotating shaft, a second bevel gear is fixedly connected to the bottom end of the rotating shaft, and the second bevel gear is meshed with the first bevel gear.

As a further aspect of the present invention: the lateral wall bottom of experiment storehouse is run through and is provided with the intake pipe, the air inlet end of intake pipe runs through the inner wall of box, the outer wall of intake pipe is provided with the check valve.

As a further aspect of the present invention: the outer wall of the box door is provided with an explosion-proof observation window, and the outer wall of the explosion-proof observation window is provided with an infrared thermometer.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up smoke transducer, solenoid valve, inlet tube, shower nozzle etc. can be when the lithium cell is smoked and is on fire, spray water to the lithium cell through the shower nozzle to carry out rapid cooling to the lithium cell, in order to restrain the intensity of a fire and stretch, and make flame extinguish gradually, compare artifical putting out a fire, response speed is faster, can in time extinguish flame, in order to avoid the experimental box to suffer damage, excellent in use effect.

2. The utility model discloses a set up orifice plate, filter screen, collector pipe, drain pipe etc. can in time discharge shower nozzle spun water to the ponding phenomenon appears in avoiding experimental storehouse, in order to avoid causing the influence to follow-up experiment, the filter screen can filter the lithium cell sweeps of aquatic simultaneously, thereby avoids causing the jam to the drain pipe.

3. The utility model discloses a set up the motor, first bevel gear, second bevel gear, the fan, filter core etc, can in time filter the back and discharge the toxic gas in the storehouse of will testing after accomplishing to put out a fire, setting through the check valve, can prevent that harmful gas from spilling over the storehouse of testing by the intake pipe, thereby avoid toxic gas to cause the harm to staff's healthy, simultaneously through first bevel gear, second bevel gear's cooperation, make the motor can drive the fan outside discharging fume the pipe, thereby avoid the moisture in the exhaust gas to cause the damage to the motor.

Drawings

Fig. 1 is a schematic structural diagram of a lithium battery detection experimental box.

Fig. 2 is a schematic structural diagram of an air inlet pipe in a laboratory box for lithium battery detection.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 2.

The device comprises a box body 1, a box door 2, an explosion-proof observation window 3, an infrared thermometer 4, an experiment bin 5, a charging connector 6, a collecting pipe 7, a water drainage pipe 8, a pore plate 9, a filter screen 10, a placing table 11, a water inlet pipe 12, a sprayer 13, an electromagnetic valve 14, a smoke exhaust pipe 15, a filter element 16, a smoke sensor 17, a motor 18, a first bevel gear 19, a rotating shaft 20, a fan 21, a second bevel gear 22, an air inlet pipe 23 and a one-way valve 24.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, an experimental box for lithium battery detection includes a box body 1, and is characterized in that: the device comprises a box body 1, a test chamber 5 is arranged in the box body 1, a box door 2 is arranged at the position, corresponding to the test chamber 5, of the outer wall of the box body 1, a charging connector 6 is arranged on the inner wall of the test chamber 5 in a penetrating manner, a smoke exhaust pipe 15 is arranged at the top of the test chamber 5, the top end of the smoke exhaust pipe 15 penetrates through the top of the box body 1, a smoke sensor 17 is fixedly connected to the inner wall of the smoke exhaust pipe 15 through a support, the specific model of the smoke sensor 17 is GQQ 0.1.1 sold by the medium-weight intelligent equipment limited company, a bus pipe 7 is arranged at the bottom of the test chamber 5 in a penetrating manner, a drain pipe 8 is communicated with the bottom of the box body 1, a pore plate 9 is arranged at the opening at the top of the bus pipe 7, a filter screen 10 is arranged at the bottom of the pore plate 9, a placing table 11 is fixedly connected to the top of the pore plate 9, an, the outer wall of inlet tube 12 is provided with a plurality of shower nozzles 13, the end of intaking of inlet tube 12 runs through the inner wall of experiment storehouse 5 and box 1, the end outer wall of intaking of inlet tube 12 is provided with solenoid valve 14, inlet tube 12 and municipal water supply line intercommunication.

And a filter element 16 is arranged on the inner wall of the smoke exhaust pipe 15 above the smoke sensor 17.

The outer wall of the smoke exhaust pipe 15 is located above the filter element 16 and is fixedly connected with a motor 18, a shaft extending end of the motor 18 penetrates through the outer wall of the smoke exhaust pipe 15 and is fixedly connected with a first bevel gear 19, the inner wall of the smoke exhaust pipe 15 is rotatably connected with a rotating shaft 20 through a support, the top end of the rotating shaft 20 is fixedly connected with a fan 21, the bottom end of the rotating shaft 20 is fixedly connected with a second bevel gear 22, and the second bevel gear 22 is meshed with the first bevel gear 19.

The lateral wall bottom of experiment storehouse 5 runs through and is provided with intake pipe 23, the inner wall of box 1 is run through to the inlet end of intake pipe 23, the outer wall of intake pipe 23 is provided with check valve 24.

The outer wall of the box door 2 is provided with an explosion-proof observation window 3, the outer wall of the explosion-proof observation window 3 is provided with an infrared thermometer 4, and the specific model of the infrared thermometer 4 is BIR384 sold by Nanjing random child intelligent technology Limited.

The electromagnetic valve 14, the smoke sensor 17, the motor 18 and the infrared thermometer 4 are all electrically connected with a control PC of the experiment box.

The utility model discloses a theory of operation is:

the lithium battery is placed on the surface of the placing table 11 and connected with the charging connector 6, a charging experiment can be carried out, when the lithium battery is overheated and emits a large amount of smoke, the smoke sensor 17 detects the smoke, a signal is sent to the control PC, the control PC cuts off the power supply of the charging connector 6, then the electromagnetic valve 14 is started, the spray nozzle 13 sprays water to the lithium battery, so that the lithium battery is rapidly cooled, the fire spread is inhibited, the flame is gradually extinguished, the water sprayed by the spray nozzle 13 flows into the bus pipe 7 through the pore plate 9 and is discharged through the drain pipe 8, the infrared thermometer 4 monitors the surface temperature of the lithium battery in real time and sends temperature data to the control PC, when the surface temperature of the lithium battery is reduced to a safe range, the control PC starts the motor 18, the fan 21 is driven to rotate through the first bevel gear 19 and the second bevel gear 22, so that toxic gas in the experimental bin 5 is filtered by the filter element 16 and then, thereby avoiding the damage of the toxic gas to the health of the staff.

The utility model discloses a set up orifice plate 9, filter screen 10, collecting pipe 7, drain pipe 8 etc. can in time discharge shower nozzle 13 spun water to the ponding phenomenon appears in avoiding experimental storehouse 5, in order to avoid causing the influence to follow-up experiment, filter screen 10 can filter the lithium cell sweeps of aquatic simultaneously, thereby avoids causing the jam to drain pipe 8.

The utility model discloses a set up motor 18, first bevel gear 19, second bevel gear 22, fan 21, filter core 16 etc, can in time filter the back discharge with the toxic gas in the experimental storehouse 5 after accomplishing to put out a fire, setting through check valve 24, can prevent that harmful gas from overflowing experimental storehouse 5 by intake pipe 23, thereby avoid toxic gas to cause the harm to staff's healthy, simultaneously through first bevel gear 19, second bevel gear 22's cooperation, make motor 18 can drive fan 21 outside exhaust pipe 15, thereby avoid the moisture in the exhaust gas to cause the damage to motor 18.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a lithium cell detects uses experimental box, includes box (1), its characterized in that: the device is characterized in that an experiment bin (5) is arranged inside the box body (1), a box door (2) is arranged at the position, corresponding to the experiment bin (5), of the outer wall of the box body (1), the inner wall of the experiment bin (5) is provided with a charging connector (6) in a penetrating manner, a smoke exhaust pipe (15) is arranged at the top of the experiment bin (5), the top end of the smoke exhaust pipe (15) penetrates through the top of the box body (1), the inner wall of the smoke exhaust pipe (15) is fixedly connected with a smoke sensor (17) through a support, a bus pipe (7) is arranged at the bottom of the experiment bin (5) in a penetrating manner, a drain pipe (8) is communicated with the bottom end of the bus pipe (7), the water outlet end of the drain pipe (8) penetrates through the bottom of the box body (1), a pore plate (9) is arranged at the top opening of the bus pipe (7), a filter screen (10) is, the inner wall of experiment storehouse (5) is located top fixedly connected with inlet tube (12) of placing platform (11), the outer wall of inlet tube (12) is provided with a plurality of shower nozzles (13), the end of intaking of inlet tube (12) runs through the inner wall in experiment storehouse (5) and box (1), the end outer wall of intaking of inlet tube (12) is provided with solenoid valve (14).

2. The experimental box for lithium battery detection as claimed in claim 1, wherein: and a filter element (16) is arranged on the inner wall of the smoke exhaust pipe (15) above the smoke sensor (17).

3. The experimental box for lithium battery detection as claimed in claim 1, wherein: the outer wall of the smoke exhaust pipe (15) is located a motor (18) fixedly connected to the upper portion of the filter element (16), a shaft extension end of the motor (18) penetrates through a first bevel gear (19) fixedly connected to the rear portion of the outer wall of the smoke exhaust pipe (15), the inner wall of the smoke exhaust pipe (15) is connected with a rotating shaft (20) through a support in a rotating mode, a fan (21) is fixedly connected to the top end of the rotating shaft (20), a second bevel gear (22) is fixedly connected to the bottom end of the rotating shaft (20), and the second bevel gear (22) is meshed with the first bevel gear (19).

4. The experimental box for lithium battery detection as claimed in claim 1, wherein: the lateral wall bottom of experiment storehouse (5) is run through and is provided with intake pipe (23), the inner wall of box (1) is run through to the inlet end of intake pipe (23), the outer wall of intake pipe (23) is provided with check valve (24).

5. The experimental box for lithium battery detection as claimed in claim 1, wherein: the outer wall of the box door (2) is provided with an explosion-proof observation window (3), and the outer wall of the explosion-proof observation window (3) is provided with an infrared thermometer (4).