CN209858707U

CN209858707U - Battery pack test equipment

Info

Publication number: CN209858707U
Application number: CN201920124927.4U
Authority: CN
Inventors: 朱超
Original assignee: Guangdong Lian Ding Detection Technology Co Ltd
Current assignee: Guangdong Lian Ding Detection Technology Co Ltd
Priority date: 2019-01-25
Filing date: 2019-01-25
Publication date: 2019-12-27
Anticipated expiration: 2029-01-25

Abstract

The utility model discloses a battery pack test equipment, including the test box, the universal wheel is installed to the bottom of test box, and the top of test box is provided with the gas-supply pipe that runs through test box top to test box inside, the top of test box is located the place ahead of gas-supply pipe and installs temperature display screen, and the top of test box is close to one side of temperature display screen and installs pressure display screen, the metal mesh is installed to the inner wall of test box, and the top that the inner wall of test box is located the metal mesh is fixed with places the board. The utility model discloses a set up electrothermal tube, temperature sensor and temperature display screen, the battery package is put into the device in to behind the closing means, provide the electric energy for the electrothermal tube, the electrothermal tube can begin to give out the heat, temperature sensor changes real-time temperature for the signal of telecommunication carries to the PLC controller, after the signal of telecommunication was received to the PLC controller, trund it into digital signal and carry to temperature display screen, when the temperature on the temperature display screen reached the predetermined temperature, can test the battery package.

Description

Battery pack test equipment

Technical Field

The utility model relates to a battery package test field specifically is battery package test equipment.

Background

The battery pack comprises a lithium battery pack and a lithium battery protection circuit, and after the battery pack is assembled, a tester uses the ammeter to integrally test the battery pack.

At present, the performance of simple test circuit protection is only used during testing, the temperature of the space where the battery pack is located during actual operation cannot be tested, the data tested out are not accurate enough, the pressure of the space where the battery pack is located during operation cannot be tested, the test result is not accurate enough, the existing testing device is not convenient to move, and the efficiency is slow when the device is required to be carried.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the tested data is not accurate enough and the efficiency is slow when the device needs to be carried, the battery pack testing equipment is provided.

In order to achieve the above object, the utility model provides a following technical scheme: battery pack testing equipment comprises a testing box, universal wheels are installed at the bottom end of the testing box, a gas pipe penetrating through the top end of the testing box to the inside of the testing box is arranged at the top end of the testing box, a temperature display screen is installed at the position, located in front of the gas pipe, of the top end of the testing box, a pressure display screen is installed at one side, close to the temperature display screen, of the top end of the testing box, a metal net is installed on the inner wall of the testing box, a placing plate is fixed at the position, located above the metal net, of the inner wall of the testing box, a pressure sensor is installed at one side, close to the metal net, of the inner wall of the testing box, a temperature sensor is installed at the rear portion, located behind the pressure sensor, of the inner wall of the testing box, a rotating door is rotatably connected to the front surface of the testing box, an electric heating pipe is, the welding of the top of gas pitcher has the intake pipe, the solenoid valve is all installed with the surface of gas-supply pipe to the intake pipe, the input of intake pipe is connected with the gas storehouse.

Preferably, the electrothermal tube passes through the wire with external power supply and is connected, temperature sensor and temperature display screen pass through PLC controller electric connection, pressure sensor and pressure display screen pass through PLC controller electric connection, solenoid valve and PLC controller electric connection.

Preferably, the test box and the rotating door are rotatably connected through a hinge, and a sealing ring is arranged at a position where the test box contacts with the rotating door.

Preferably, the inner wall of the connecting hole is provided with a sealing ring, and the number of the connecting holes is two.

Preferably, the number of universal wheels is four, and four universal wheels are installed respectively in the four corners position department of test box bottom.

Preferably, the air inlet pipe is connected with the air bin through a connecting pipe, and a sealing ring is arranged at the position where the air inlet pipe is contacted with the connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the electrothermal tube, temperature sensor and temperature display screen, the battery package is put into the device, and after closing the device, provide the electric energy for the electrothermal tube, the electrothermal tube can begin to give out heat, temperature sensor changes real-time temperature into the signal of telecommunication and carries to the PLC controller, after the PLC controller receives the signal of telecommunication, change it into digital signal and carry to the temperature display screen, when the temperature on the temperature display screen reaches predetermined temperature, can test the battery package, improve the accuracy of battery package test, through setting up the gas pitcher, pressure sensor and pressure display screen, after the solenoid valve is opened, the inert gas in the gas pitcher enters the inside of test box along the gas-supply pipe, along with getting more and more inert gas in the test box, the atmospheric pressure in the test box rises gradually, pressure sensor changes pressure signal into the signal of telecommunication and carries to the PLC controller at this moment, after the PLC controller received the signal of telecommunication, change it into digital signal, and carry to on the pressure display screen, the tester can know the inside real-time pressure of test box through the pressure display screen, after the pressure value on the pressure display screen reached the predetermined pressure, the solenoid valve through PLC controller control gas-supply pipe surface is closed, can test the operational aspect of battery package under different pressure, through setting up the universal wheel, the pulling device can make the universal wheel slide on ground, the inconvenient problem that removes of testing arrangement has effectively been solved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation of the electric heating tube of the present invention;

fig. 3 is a schematic view of the connection between the gas tank and the gas cabin of the present invention.

In the figure: 1. a test box; 2. a universal wheel; 3. a metal mesh; 4. placing the plate; 5. a temperature sensor; 6. a pressure sensor; 7. a rotating door; 8. connecting holes; 9. a temperature display screen; 10. a gas delivery pipe; 11. an electromagnetic valve; 12. an air inlet pipe; 13. a gas tank; 14. a pressure display screen; 15. an electric heating tube; 16. and (4) air storage.

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.

The pressure sensor (PT124G-210), the temperature sensor (PT100), the pressure display screen, the temperature display screen, the electric heating tube and the electromagnetic valve (3V1-06) of the utility model can be obtained by market or private ordering.

Referring to fig. 1-3, a battery pack testing apparatus includes a testing box 1, a universal wheel 2 is installed at the bottom end of the testing box 1, a gas pipe 10 penetrating the top end of the testing box 1 to the inside of the testing box 1 is installed at the top end of the testing box 1, a temperature display screen 9 is installed at the top end of the testing box 1 in front of the gas pipe 10, a pressure display screen 14 is installed at one side of the top end of the testing box 1 close to the temperature display screen 9, a metal net 3 is installed at the inner wall of the testing box 1, a placing plate 4 is fixed at the inner wall of the testing box 1 above the metal net 3, a pressure sensor 6 is installed at one side of the inner wall of the testing box 1 close to the metal net 3, a temperature sensor 5 is installed at the rear of the pressure sensor 6 at the inner wall of the testing box 1, a rotating door 7 is rotatably connected to the front surface of the testing box 1, and an electric heating, the inside of revolving door 7 is provided with connecting hole 8, and the top welding of gas-supply pipe 10 has gas pitcher 13, and the top welding of gas pitcher 13 has intake pipe 12, and solenoid valve 11 is all installed with the surface of gas-supply pipe 10 to intake pipe 12, and the input of intake pipe 12 is connected with the gas storehouse 16.

Please refer to fig. 1, the testing box 1 is rotatably connected to the rotating door 7 through a hinge, so as to open or close the rotating door 7, and a sealing ring is disposed at a position where the testing box 1 contacts the rotating door 7, so as to improve the sealing performance of the testing box 1; the inner wall of the connecting hole 8 is provided with the sealing ring, so that after the inner wall of the connecting hole 8 is contacted with the connecting line of the ammeter, the gap between the connecting hole 8 and the connecting line can be reduced, the sealing performance of the device is further improved, and the number of the connecting holes 8 is two; the quantity of universal wheel 2 is four, and four universal wheels 2 are installed respectively in the four corners position department of 1 bottom of test box, and the universal wheel 2 of being convenient for provides stable holding power for the device.

Please refer to fig. 3, the gas inlet pipe 12 is connected to the gas chamber 16 through a connecting pipe, so that the gas chamber 16 can conveniently deliver the inert gas to the gas tank 13 through the gas inlet pipe 12, and a sealing ring is disposed at a position where the gas inlet pipe 12 contacts the connecting pipe, so as to prevent the inert gas from leaking from a position where the gas inlet pipe 12 contacts the connecting pipe after the gas inlet pipe 12 is connected to the connecting pipe.

Please refer to fig. 1 and fig. 2, the electric heating tube 15 is connected to an external power source through a wire, so that an external power source can provide electric energy for the electric heating tube 15, the temperature sensor 5 is electrically connected to the temperature display screen 9 through a PLC controller, the temperature sensor 5 can transmit a temperature value to the temperature display screen 9 through the PLC controller, the pressure sensor 6 is electrically connected to the pressure display screen 14 through the PLC controller, the pressure sensor 6 can transmit a pressure value to the pressure display screen 14 through the PLC controller, and the electromagnetic valve 11 is electrically connected to the PLC controller, so as to control the electromagnetic valve 11 to be opened or closed.

The working principle is as follows: firstly, when the device is used, the device is powered on, when the running condition of the battery pack at high temperature is tested, the battery pack is prevented from being placed on the placing plate 4, then a connecting wire on an ammeter passes through the connecting hole 8 to be connected with the battery pack, then the rotating door 7 is closed, the electric heating tube 15 is connected with an external power supply, the electric heating tube 15 starts to generate heat after acquiring electric energy, heat enters the inside of the testing box 1 through the metal net 3, the temperature sensor 5 converts a sensed temperature signal into an electric signal and transmits the electric signal to the PLC, the PLC converts the electric signal into a digital signal and transmits the digital signal to the temperature display screen 9, a tester can know the real-time temperature, when the temperature displayed on the temperature display screen 9 reaches the testing temperature, the electric heating tube 15 is disconnected from the external power supply, and the running condition of the battery pack at the preset temperature; then, when the test electric detector operates under different pressures, the PLC controller controls the electromagnetic valve 11 on the outer surface of the gas pipe 10 to open, after the electromagnetic valve 11 is opened, the inert gas in the gas tank 13 enters the test box 1 along the gas pipe 10, the gas pressure in the test box 1 gradually rises along with the increasing amount of the inert gas entering the test box 1, at the moment, the pressure sensor 6 converts the pressure signal into an electric signal and transmits the electric signal to the PLC controller, the PLC controller converts the electric signal into a digital signal after receiving the electric signal, and then the pressure is transmitted to the pressure display screen 14, so that the tester can know the real-time pressure in the test box 1 through the pressure display screen 14, after the pressure value on the pressure display screen 14 reaches the preset pressure, the PLC controller controls the electromagnetic valve 11 on the outer surface of the gas pipe 10 to be closed, and the running conditions of the battery pack under different pressures can be tested; finally, when the gas in the gas tank 13 is not enough, the gas inlet pipe 12 is connected with the gas bin 16 through the connecting pipe, the PLC controls the electromagnetic valve 11 on the outer surface of the gas inlet pipe 12 to be opened, the inert gas in the gas bin 16 can enter the gas tank 13 along the connecting pipe and the gas inlet pipe 12, and after the gas filling is finished, the PLC controls the electromagnetic valve 11 on the outer surface of the gas inlet pipe 12 to be closed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Battery package test equipment, including test box (1), its characterized in that: the universal wheel (2) is installed at the bottom end of the test box (1), the gas pipe (10) penetrating through the top end of the test box (1) to the inside of the test box (1) is arranged at the top end of the test box (1), the temperature display screen (9) is installed at the top end of the test box (1) in front of the gas pipe (10), the pressure display screen (14) is installed at one side, close to the temperature display screen (9), of the top end of the test box (1), the metal net (3) is installed on the inner wall of the test box (1), the placing plate (4) is fixed above the metal net (3) on the inner wall of the test box (1), the pressure sensor (6) is installed at one side, close to the metal net (3), of the inner wall of the test box (1), the temperature sensor (5) is installed at the rear side, close to the pressure sensor (6), the rotating door (7) is rotatably connected to the front surface of the test box (1, and the inside below that is located metal mesh (3) of test box (1) is provided with electrothermal tube (15), the inside of revolving door (7) is provided with connecting hole (8), the top welding of gas-supply pipe (10) has gas pitcher (13), the top welding of gas pitcher (13) has intake pipe (12), solenoid valve (11) are all installed with the surface of gas-supply pipe (10) in intake pipe (12), the input of intake pipe (12) is connected with gas storehouse (16).

2. The battery pack testing apparatus according to claim 1, wherein: the electric heating pipe (15) is connected with an external power supply through a lead, the temperature sensor (5) is electrically connected with the temperature display screen (9) through a PLC (programmable logic controller), the pressure sensor (6) is electrically connected with the pressure display screen (14) through the PLC, and the electromagnetic valve (11) is electrically connected with the PLC.

3. The battery pack testing apparatus according to claim 1, wherein: the testing box (1) is rotatably connected with the rotating door (7) through a hinge, and a sealing ring is arranged at the position where the testing box (1) is contacted with the rotating door (7).

4. The battery pack testing apparatus according to claim 1, wherein: the inner wall of the connecting hole (8) is provided with a sealing ring, and the number of the connecting holes (8) is two.

5. The battery pack testing apparatus according to claim 1, wherein: the number of universal wheels (2) is four, and four universal wheels (2) are respectively installed at the four corners of the bottom end of the test box (1).

6. The battery pack testing apparatus according to claim 1, wherein: the air inlet pipe (12) is connected with the air bin (16) through a connecting pipe, and a sealing ring is arranged at the position where the air inlet pipe (12) is contacted with the connecting pipe.