CN217425604U

CN217425604U - Battery package protection board detection test equipment frock

Info

Publication number: CN217425604U
Application number: CN202220924621.9U
Authority: CN
Inventors: 童仁旺; 刘文帅; 解晓辉
Original assignee: Hangzhou Generalpower Technology Co ltd
Current assignee: Hangzhou Generalpower Technology Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-09-13
Anticipated expiration: 2032-04-21

Abstract

The utility model belongs to the technical field of battery protection board test, concretely relates to battery package protection board detection test equipment tool, including test tool body, external power supply and protection board, the test tool body is used for carrying out batch detection to the protection board, and is provided with discharge resistance, test module, fan, voltage current display, temperature display, voltage simulation output board, terminal row, voltage differential acquisition display in the test tool body; discharge resistance is used for setting up the inside resistance of equipment, test module is used for detecting the voltage, electric current and the temperature of protection shield, the utility model discloses this test fixture carries out the heavy current through external power source cooperation discharge resistance and discharges, and other instrument component technologies such as cooperation protection shield, host computer software, are in the same place various function integration, form one with low costs, and test time and electric current are controllable, data can be traceed back, compatible good test equipment.

Description

Battery package protection board detection test equipment frock

Technical Field

The utility model belongs to the technical field of the test of battery protection shield, concretely relates to battery package protection shield detects test equipment frock.

Background

The battery pack protection plate is mainly used for protecting and controlling the situations of overcharge, overdischarge and the like generated in the operation of a battery, so the battery pack protection plate is very important for testing the battery protection plate. In the batch detection of the protection plates in mass production, the existing universal standard detection equipment is not provided, the protection plates are complex to detect in batch, the overcurrent capacity of the protection plates is complex to detect, the pressure difference of the protection plates is too large to protect, the detection quality and the detection efficiency are low, and the labor cost is high. Therefore, a test device with low cost, controllable test time and current, traceable data and good compatibility is extremely important.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery package protection board detects test equipment frock, equipment structure is simple, small in size, and is multiple functional, satisfies the demand of the overcurrent protection and the pressure differential protection test of multiple protection shield.

The utility model provides a following technical scheme:

a battery pack protection plate detection test equipment tool comprises a test tool body, an external power supply and a protection plate, wherein the test tool body is used for carrying out batch detection on the protection plate, and a discharge resistor, a test module, a fan, a voltage and current display, a temperature display, a voltage simulation output plate, a terminal row and a voltage and pressure difference acquisition display are arranged in the test tool body;

the device comprises a discharge resistor, a test module and a control module, wherein the discharge resistor is used for setting the resistance value of a resistor in the device, the test module is used for detecting the voltage, the current and the temperature of a protection board, and the test module comprises a main control relay, an intermediate relay, a temperature relay, a time relay and a voltage and current detection relay;

the voltage simulation output board is used for adjusting the collection and output of each string of voltage, and the voltage and voltage difference collection display is used for displaying the voltage and the voltage difference of a single string.

Preferably, the external power supply is a direct current power supply for adjusting a voltage current output set value.

Preferably, an internal power supply is arranged in the test tool body, the external power supply is connected with the positive electrode and the negative electrode of the internal power supply through connecting wires, and the internal power supply is used for converting alternating-current voltage into direct-current voltage.

Preferably, the main control relay is used for controlling the connection and disconnection of the main loop, the intermediate relay is used for controlling the connection and disconnection of the intermediate loop, the temperature relay is used for temperature detection, the time relay is used for controlling test time, and the voltage and current detection relay is used for voltage and current tests.

Preferably, a detection line is arranged in the test tool body, and the P-end and the B-end of the detection line are connected with the P-end and the B-end of the protection plate.

Preferably, the test tool body is provided with a start button, a master control self-locking switch and a voltage simulation output board self-locking switch.

Preferably, the outside of the test tool body is electrically connected with a computer upper computer, and the computer upper computer is used for recording and storing test data.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:

1) the test tool carries out large-current discharge by matching an external power supply with a discharge resistor, and integrates various functions together by matching with other instrument element technologies such as a protection board, upper computer software and the like to form test equipment which is low in cost, controllable in test time and current, traceable in data and good in compatibility;

2) the test tool has stronger current compatibility, can be adjusted or replaced according to the requirements of a tested protection board, has a safety detection function, and can automatically power off and protect and prompt equipment exceeding a set value;

3) the test tool has strong compatibility with a test object protection board, 0-138 string voltage monitoring can be carried out by the equipment tool, and the number of strings can be expanded externally;

4) the test tool can set a corresponding appropriate value according to the test environment, the rated value is exceeded, and the equipment system automatically prompts power failure and cools.

Drawings

FIG. 1 is an overall structure diagram of the protection board inspection and testing equipment of the present invention;

fig. 2 is a perspective view of the internal structure of the protection board detection and test equipment tool of the present invention;

FIG. 3 is a front view of the internal structure of the protection board inspection and testing apparatus of the present invention;

fig. 4 is the utility model discloses protection shield detects interior structure plan view of test equipment frock.

The figures are labeled as follows:

1-testing a tool body; 2-an external power supply; 3-a discharge resistor; 4-a test module; 5-a fan; 6-voltage current display; 7-temperature display; 8-voltage analog output board; 9-terminal row; 10-voltage difference acquisition display; 11-a main control relay; 12-an intermediate relay; 13-a temperature relay; 14-a time relay; 15-voltage current detection relay; 16-an internal power supply; 17-start button; 18-master control self-locking switch; 19-voltage analog output board self-locking switch.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative only and are not intended to limit the scope of the invention.

With reference to fig. 1-4, a battery pack protection plate detection test equipment tool comprises a test tool body 1, an external power supply 2 and a protection plate, wherein the test tool body 1 is used for detecting the protection plate in batches, and a discharge resistor 3, a test module 4, a fan 5, a voltage and current display 6, a temperature display 7, a voltage simulation output plate 8, a terminal row 9 and a voltage and voltage difference acquisition display 10 are arranged in the test tool body 1;

the discharge resistor 3 is used for setting the resistance value of a resistor inside the equipment, the test module 4 is used for detecting the voltage, the current and the temperature of the protection board, and the test module 4 comprises a main control relay 11, an intermediate relay 12, a temperature relay 13, a time relay 14 and a voltage and current detection relay 15;

the voltage simulation output board 8 is used for adjusting the collection and output of each string of voltage, and the voltage and voltage difference collection display 10 is used for displaying the voltage and the voltage difference of a single string.

Specifically, the external power supply 2 is a direct current power supply for adjusting a voltage current output set value.

Specifically, an internal power supply 16 is arranged in the test tool body 1, the external power supply 2 is connected with the positive electrode and the negative electrode of the internal power supply 16 through connecting wires, and the internal power supply 16 is used for converting 220V alternating current voltage into 5V and 24V direct current voltage.

Specifically, the main control relay 11 is used for controlling the connection and disconnection of a main loop, the intermediate relay 12 is used for controlling the connection and disconnection of an intermediate loop, the temperature relay 13 is used for temperature detection, the time relay 14 is used for controlling test time, and the voltage and current detection relay 15 is used for voltage and current tests.

Specifically, a detection line is arranged in the test tool body 1, and the P-end and the B-end of the detection line are connected with the P-end and the B-end of the protection plate.

Specifically, the test fixture body 1 is provided with a start button 17, a main control self-locking switch 18 and a voltage simulation output board self-locking switch 19.

Specifically, the test fixture body 1 is electrically connected with a computer upper computer, and the computer upper computer is used for recording and storing test data.

The following description the utility model discloses battery package protection board detects test equipment frock's test procedure as follows:

1) confirming the resistance value of the discharge resistor 3 in the test tool body 1, calculating a test current value by combining a voltage value to be input, and carrying out reasonable setting (carrying out internal resistance regulation of equipment when the external power supply 2 is not connected);

2) confirming a voltage and current output set value of the external power supply 2 to the test tool body 1, connecting the positive electrode and the negative electrode of the input end of the internal power supply 16 of the test tool body 1 through a connecting wire, and checking a voltage display value on the voltage and current display 6;

3) confirming that each string of voltage output of the voltage simulation output plate 8 of the test tool body 1 is correct (adjusted by combining the single string of voltage and the voltage difference displayed by the voltage and voltage difference acquisition display 6);

4) setting the 'temperature overrun upper limit value' of the temperature relay 7 and the 'voltage detection overrun upper limit value' of the voltage and current detection relay 15;

5) the testing tool body 1 is connected through a connecting wire, the P-end and the B-end of a detection line of the equipment tool of the testing tool body 1 are connected with the P-end and the B-end of the protection plate, and each string of voltage of a sampling line of the protection plate is connected with each string of terminal line corresponding to the terminal row 9 of the testing tool body 1;

6) turning on the main control self-locking switch 18, converting 220V alternating current voltage into 5V and 24V direct current voltage by the internal power supply 16, and starting the fan 5 to work;

7) the voltage analog output plate self-locking switch 19 is opened, and the voltage analog output plate 8 is electrified;

8) pressing a start button 17, closing a time relay 14, starting timing, closing a main control relay 11, switching on a main loop, starting electrifying and discharging a discharge resistor 3, and switching off the main loop for protection;

9) the temperature relay 13 detects the temperature of the discharge environment, the temperature exceeds the set upper limit, the temperature relay 13 is closed, the intermediate relay 12 is powered on, the power supply of the main control relay 11 is started and disconnected, and the test environment temperature is recovered to be normal;

10) if the temperature detection of the temperature relay 13 is not exceeded, the voltage and current detection relay 15 detects that the voltage of the input main loop of the test tool body 1 exceeds the upper limit, the voltage and current detection relay 15 is started to be closed, the intermediate relay 12 is electrified, the power supply of the main control relay 11 is started to be disconnected, and the main loop is disconnected for protection;

11) if the temperature and the voltage are not over-limited, the test time is controlled by a time relay 14;

12) observing the voltage and current display 6 on the test tool body 1 during the test period of the tested protection board, wherein if the numerical value is 0, the protection board is abnormal in work and is an abnormal product;

13) the testing tool body 1 records corresponding data of the tested protection board during testing by a computer upper computer, and can be connected to the computer upper computer for comparing the collected data of the protection board with the collected data of the testing tool body 1 if the protection board is in communication;

14) and storing the test data on the computer upper computer, and finishing the test.

The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a battery package protection board detects test equipment frock, includes test fixture body (1), external power source (2) and protection shield, its characterized in that: the test tool body (1) is used for detecting the protection plates in batches, and a discharge resistor (3), a test module (4), a fan (5), a voltage and current display (6), a temperature display (7), a voltage simulation output board (8), a terminal row (9) and a voltage and pressure difference acquisition display (10) are arranged in the test tool body (1);

the discharge resistor (3) is used for setting the resistance value of a resistor inside the equipment, the test module (4) is used for detecting the voltage, the current and the temperature of the protection board, and the test module (4) comprises a main control relay (11), an intermediate relay (12), a temperature relay (13), a time relay (14) and a voltage and current detection relay (15);

the voltage analog output board (8) is used for adjusting the voltage acquisition and output of each string, and the voltage and voltage difference acquisition display (10) is used for displaying the voltage and the voltage difference of a single string.

2. The battery pack protection plate detection and test equipment tool according to claim 1, characterized in that: the external power supply (2) is a direct current power supply and is used for adjusting a voltage and current output set value.

3. The battery pack protection plate detection and test equipment tool according to claim 1, characterized in that: the testing tool is characterized in that an internal power supply (16) is arranged in the testing tool body (1), the external power supply (2) is connected with the positive electrode and the negative electrode of the internal power supply (16) through connecting wires, and the internal power supply (16) is used for converting alternating-current voltage into direct-current voltage.

4. The battery pack protection plate detection and test equipment tool according to claim 1, characterized in that: the main control relay (11) is used for controlling the connection and disconnection of a main loop, the intermediate relay (12) is used for controlling the connection and disconnection of an intermediate loop, the temperature relay (13) is used for detecting temperature, the time relay (14) is used for controlling test time, and the voltage and current detection relay (15) is used for testing voltage and current.

5. The battery pack protection plate detection and test equipment tool according to claim 1, characterized in that: the test tool body (1) is internally provided with a detection line, and the P-end and the B-end of the detection line are connected with the P-end and the B-end of the protection plate.

6. The battery pack protection plate detection test equipment tool according to claim 1, characterized in that: the test tool body (1) is provided with a starting button (17), a master control self-locking switch (18) and a voltage simulation output board self-locking switch (19).

7. The battery pack protection plate detection and test equipment tool according to claim 1, characterized in that: the test tool is characterized in that a computer upper computer is electrically connected to the outside of the test tool body (1) and used for recording and storing test data.