TWI773427B - Automatic calibration device for voltage and temperature of battery control board and calibration method thereof - Google Patents

Abstract

An automatic calibration device for voltage and temperature of the battery control board and the calibration method thereof, wherein the calibration equipment comprises a high precision power supply equipment that provides stable power supply to the battery control board pending calibration, a calibration board that is electrically connected to the battery control board pending calibration and is used to adjust the set parameters of the battery control board, a high precision power supply equipment that is electrically connected to the battery control board pending calibration and the calibration board, a display device that is electrically connected to the calibration board and is used to display the detection outcomes. Furthermore, the calibration method is to charge the battery control board pending calibration with power; detect and adjust the set parameters thereof so that the temperature and voltage thereof will stay within the standard error boundary; and finally issue the command to lock the board.

Description

Voltage and temperature automatic correction device for battery control board and the same Correction method

The present invention relates to a calibration device and calibration method; more specifically, to an automatic calibration device and calibration method for voltage and temperature of a battery control board.

Generally, the detection method of battery packs on the production line is to test the battery control board and battery cells after assembling them. It will take more time if there is a problem with the control board or the battery cells.

In addition, the existing battery pack inspection methods mostly rely on manual inspections one by one according to the established inspection regulations, and the correctness needs to be repeatedly confirmed after each inspection, so that each inspection takes a lot of time, resulting in low production capacity.

In view of this, the applicant in this case, based on his years of experience in research and development in related fields, conducted in-depth discussions on the aforementioned deficiencies, and actively sought solutions based on the aforementioned needs. invention.

The main purpose of the present invention is to provide a simple and quick device and method for calibrating the battery control board.

In order to achieve the above purpose, the voltage and temperature automatic calibration device of the battery control board of the present invention includes a high-precision power supply device, a calibration board, a high-precision electric meter measuring device, and a display device.

The high-precision power supply device is electrically connected to the battery control board to be calibrated, and is used to provide the battery control board to be calibrated with a fixed voltage as a voltage calibration reference.

The calibration board is electrically connected to the battery control board to be calibrated, and the calibration board is provided with a communication processing unit that can be connected to the battery control board to be calibrated and adjust its internal setting parameters, and an electrical connection To the voltage unit and the temperature unit of the communication processing unit, and the calibration board is additionally electrically connected to the calibration button.

The high-precision electric meter measuring equipment is electrically connected to the battery control board and the calibration board to be calibrated.

The display device is electrically connected to the calibration plate.

In addition, the high-precision power supply device and the battery control board to be calibrated are additionally electrically connected to the ON button.

The automatic voltage and temperature calibration method of the battery control board of the present invention uses the above-mentioned equipment and adopts two different procedures for calibration, and the first aspect of the battery control board voltage and temperature automatic calibration method of the present invention The following steps are made:

A. Preparation steps: Take out the battery control board to be calibrated and connect it with the high-precision power supply equipment, calibration board, and high-precision electric meter measuring equipment, press the ON button to turn on the power of the calibration system, and then press Calibration button to start calibration.

B. Voltage calibration step: The calibration board writes the voltage parameters into the battery control board to be calibrated, and reads the voltages of the battery control board to be calibrated and the calibration board at the same time.

C. The first comparison step: the display device shows whether the voltage adjustment result is within 0.1% of the error value. If the adjustment result exceeds the error value, the voltage correction step is performed again, and in the first comparison step, set There is an upper limit on the number of voltage corrections. After the calibration board performs the first modification of the voltage parameters, the voltage of the battery control board to be calibrated still exceeds the error value, and the battery control board to be calibrated will be regarded as a defective product.

D. Temperature calibration step: The calibration board writes the temperature parameters into the battery control board to be calibrated after the first comparison step, and reads the temperature of the battery control board to be calibrated and the calibration board at the same time.

E. The second comparison step: whether the temperature adjustment result is within the error value is displayed by the display device, if the adjustment result exceeds the error value, the temperature correction step is performed again, and in the second comparison step, the temperature is also set The upper limit of the number of calibrations. After the calibration board is modified for the third time, the temperature of the battery control board to be calibrated still exceeds the error value, and the battery control board to be calibrated will also be regarded as a defective product.

F. Locking step: When the battery control board has completed all corrections, write the lock board command and the production history of the battery control board into it, so that the relevant parameters of the battery control board cannot be changed in the future.

In addition, the automatic calibration method for voltage and temperature of the battery control panel of the second aspect of the present invention also uses the above-mentioned equipment and is formed through the following steps:

A. Preparation steps: Take out the battery control board to be calibrated and connect it with the high-precision power supply equipment, calibration board, and high-precision electric meter measuring equipment, press the ON button to turn on the power of the calibration system, and then press Calibration button to start calibration.

B. Temperature calibration step: The calibration board writes the temperature parameters into the battery control board to be calibrated, and reads the temperature of the battery control board to be calibrated and the calibration board at the same time.

C. The first comparison step: the display device shows whether the temperature adjustment result is within the error value. If the adjustment result exceeds the error value, the temperature correction step is performed again, and the temperature adjustment step is also set in the first comparison step. The upper limit of the number of calibrations. After the calibration board is modified for the third time, the temperature of the battery control board to be calibrated still exceeds the error value, and the battery control board to be calibrated will also be regarded as a defective product.

D. Voltage calibration step: The calibration board writes the voltage parameters into the battery control board to be calibrated after the first comparison step, and reads the voltages of the battery control board to be calibrated and the calibration board at the same time.

E. The second comparison step: the display device shows whether the voltage adjustment result is within 0.1% of the error value, if the adjustment result exceeds the error value, the voltage adjustment is performed again The voltage correction step is carried out, and in the second comparison step, there is also an upper limit for the number of voltage corrections. The battery control board to be calibrated will be considered defective.

F. Locking step: When the battery control board completes all corrections, the lock board command will be written into it, so that the relevant parameters of the battery control board cannot be changed in the future.

1: Automatic correction device for voltage and temperature of battery control board

11: High-precision power supply equipment

12: Correction plate

121: Communication processing unit

122: Voltage unit

123: Temperature unit

124:USB connection interface

13: High-precision electric meter measuring equipment

14: Display device

15: Correction button

16: Turn on the button

2: Battery control board

21: Communication processing unit

22: Voltage unit

23: Temperature unit

24: Integration Unit

3: Automatic correction method of voltage and temperature of battery control board

31: Preparation steps

32: Voltage calibration steps

33: The first comparison step

34: Temperature Correction Steps

35: Second comparison step

36: Locking Steps

Figure 1: Schematic diagram of the automatic voltage and temperature calibration device of the battery control board of the present invention; Figure 2: Schematic diagram of the internal structure of the calibration board of the present invention; Figure 3: Schematic diagram of the internal structure of the battery control board to be calibrated according to the present invention; Figure 4: The first A schematic diagram of the automatic voltage and temperature calibration flow diagram of the battery control board of the present invention in one aspect; FIG. 5 : a schematic diagram of the voltage and temperature automatic calibration process flow diagram of the battery control board of the present invention in the second aspect.

In order to allow a more detailed understanding of the purpose, effect, features and structure of the present invention, preferred embodiments are given and described in conjunction with the drawings as follows.

First, please refer to Figures 1 to 4 at the same time.

FIG. 1 is a schematic diagram of an automatic voltage and temperature calibration device of the battery control board of the present invention, FIG. 2 is a schematic diagram of the internal structure of the calibration board of the present invention, and FIG. 3 is the present invention A schematic diagram of the internal structure of the battery control board to be calibrated is shown. FIG. 4 is a schematic diagram of the automatic calibration process of the voltage and temperature of the battery control board of the present invention.

The voltage and temperature automatic calibration device 1 of the battery control board of the present invention includes a high-precision power supply device 11 , a calibration board 12 , a high-precision electric meter measuring device 13 , and a display device 14 .

The high-precision power supply device 11 is electrically connected to the battery control board 2 to be calibrated, and the high-precision power supply device 11 is used to simulate the function of the battery cell pack, and thereby provide the battery control board 2 to be calibrated A fixed voltage is used as a reference for subsequent voltage calibration operations.

The calibration board 12 is electrically connected to the battery control board 2 to be calibrated, and the calibration board 12 is provided with a communication processing unit 121 that can be connected to the battery control board 2 to be calibrated and adjust its internal setting parameters , and the voltage unit 122 for measuring voltage and the temperature unit 123 for measuring temperature electrically connected to the communication processing unit 121, and the calibration plate 12 is additionally electrically connected to the calibration button 15, and is manually pressed The calibration button 15 allows the calibration board 12 to adjust the internal parameters of the battery control board 2 to be calibrated. In addition, the calibration board 12 is provided with a USB connection interface 124, and the USB connection interface can be used to quickly connect to other devices.

The high-precision electric meter measuring device 13 is electrically connected to the battery control board 2 and the calibration board 12 to be calibrated, and the high-precision electric meter measuring device 13 is used to ensure the reference voltage.

The display device 14 is electrically connected to the calibration board 12 , and the display device 14 is a computer with computing and information processing functions, which can be a notebook computer or a tablet computer.

In addition, the high-precision power supply device 11 and the battery control board 2 to be calibrated are additionally electrically connected to the switch-on button 16 .

In addition, the calibrated battery control board 2 is provided with a communication processing unit 21 for receiving signals sent from the calibration board 12 , a voltage unit 22 electrically connected to the communication processing unit 21 and used for measuring voltage, and a voltage unit 22 for measuring voltage. A temperature unit 23 for temperature, and an integrated unit 24 for measuring, controlling, and protecting battery cells.

The automatic voltage and temperature calibration method 3 of the battery control panel of the present invention utilizes the above-mentioned equipment and adopts two different procedures for calibration. The first aspect of the battery control panel voltage and temperature automatic calibration method of the present invention is through the following steps:

A. Preparation step 31: Take out the battery control board 2 to be calibrated and connect it with the high-precision power supply device 11, the calibration board 12, and the high-precision electric meter measuring device 13, then press the ON button 16 to turn on the calibration system Power on, and then press the calibration button 15 to start calibration.

B. Voltage calibration step 32: The calibration board 12 writes the voltage parameters into the battery control board 2 to be calibrated, and reads the voltages of the battery control board 2 to be calibrated and the calibration board 12 at the same time.

C. The first comparison step 33: the display device 14 displays whether the voltage adjustment result is within 0.1% of the error value, if the adjustment result exceeds the error value, the voltage correction step 32 is performed again, and in the first comparison In step 33, there is an upper limit for the number of voltage corrections. After the correction board 12 performs the third voltage parameter modification, the voltage of the battery control board 2 to be calibrated still exceeds the error value, then the battery control board 2 to be calibrated will considered defective.

D. Temperature calibration step 34: The calibration board 12 writes the temperature parameters into the battery control board 2 to be calibrated after the first comparison step 33, and reads the difference between the battery control board 2 to be calibrated and the calibration board 12 at the same time temperature.

E. The second comparison step 35: the display device 14 displays whether the temperature adjustment result is within the error value. If the adjustment result exceeds the error value, the temperature correction step 34 is performed again, and in the second comparison step 35 There is also an upper limit for the number of temperature corrections. When the temperature parameter of the correction board 12 is modified for the third time, and the temperature of the battery control board 2 to be calibrated still exceeds the error value, the battery control board 2 to be calibrated will also be regarded as for defective products.

F. Locking step: When the battery control board 2 completes all calibrations, write the lock board command and the production history of the battery control board 2 into it, so that the relevant parameters of the battery control board 2 cannot be changed in the future.

In addition, the automatic calibration method for voltage and temperature of the battery control panel of the second aspect of the present invention also uses the above-mentioned equipment and is formed through the following steps:

A. Preparation step 31: Take out the battery control board 2 to be calibrated and connect it with the high-precision power supply device 11, the calibration board 12, and the high-precision electric meter measuring device 13, then press the ON button 16 to turn on the calibration system Power on, and then press the calibration button 15 to start calibration.

B. Temperature calibration step 34: The calibration board 12 writes the temperature parameters into the battery control board 2 to be calibrated, and reads the temperature of the battery control board 2 to be calibrated and the calibration board 12 at the same time.

C. The first comparison step 33: the display device 14 displays whether the temperature adjustment result is within the error value, if the adjustment result exceeds the error value, the temperature correction step 34 is performed again, and in the first comparison step 33 There is also an upper limit for the number of temperature corrections. When the temperature parameter of the correction board 12 is modified for the third time, and the temperature of the battery control board 2 to be calibrated still exceeds the error value, the battery control board 2 to be calibrated will also be regarded as for defective products.

D. Voltage calibration step 32: The calibration board 12 writes the voltage parameters into the battery control board 2 to be calibrated after the first comparison step 33, and simultaneously reads the voltage parameters between the battery control board 2 to be calibrated and the calibration board 12 Voltage.

E. Second comparison step 35: The display device 14 displays whether the voltage adjustment result is within 0.1% of the error value. If the adjustment result exceeds the error value, the voltage correction step 32 is performed again, and in the second comparison In step 35, there is also an upper limit for the number of times of voltage correction. When the correction plate 12 performs the third voltage After the parameters are modified, if the voltage of the battery control board 2 to be calibrated still exceeds the error value, the battery control board 2 to be calibrated will be regarded as a defective product. .

F. Locking step: When the battery control board 2 completes all calibrations, the lock board command and the production history of the battery control board 2 will be written into it, so that the relevant parameters of the battery control board 2 cannot be changed in the future.

The above-mentioned two calibration step methods will be better than the second calibration method of first calibrating temperature and then calibrating voltage. The battery control board 2 can only be measured after being powered on for a period of time. Therefore, if the voltage detection can be performed immediately after the power is turned on, when the voltage test is completed, the battery control board 2 to be calibrated will usually reach the temperature that can be directly detected. status.

The detailed description of the embodiments of the present invention and related drawings for reference are as follows: In the use of the present invention, the battery control board 2 that has not been calibrated is connected to the high-precision power supply device 11, the calibration board 12, the high-precision power supply After measuring the accuracy of the electricity meter, press the ON button 16, the display device 14 will immediately display the temperature and voltage measured at the moment, and with the intuitive diagram, the operator can immediately know the battery control panel 2 Whether the detection result falls within the error value.

Then, if the detected result falls within the error value, the calibration board 12 can directly issue the lock board command and write the production history into it, and the display device 14 will display a diagram showing that all calibration operations have been completed. the operator sees, while If the detection result is not within the error value, the operator only needs to press the calibration button 15 and let the calibration board 12 automatically adjust the temperature and voltage parameters of the battery control board 2 and let the detection result fall within the error value, and then calibrate the board 12 Then issue the lock plate command and write the production history into it, so that the operator only needs to confirm whether the final data is normal, and does not need to follow the cumbersome calibration process one by one.

Finally, when the battery control board 2 completes the calibration operation, the operator can remove it and perform the calibration operation of the next battery control board 2, and the completed battery control board 2 can be handed over to other operators for follow-up work. Battery pack assembly.

To sum up the above, the advantages of the automatic voltage and temperature calibration device for the battery control panel and the calibration method thereof of the present invention are that the inspector can immediately know whether the battery control panel 2 needs to be calibrated by checking the relevant parameters displayed on the display device 14. In the calibration process, the operator only needs to press the calibration button 15, and the calibration board 12 will automatically adjust the parameters of the battery control board 2 to make the detection result meet the standard.

Therefore, the present invention has excellent progress and practicability among similar products. At the same time, after checking the technical data and documents about such structures at home and abroad, it is true that no identical or similar structures exist before the application in this case. Therefore, this case The patent requirements for "creativeness", "suitability for industrial utilization" and "progressiveness" should be met, and the application should be filed in accordance with the law.

However, the above are only preferred embodiments of the present invention, and other equivalent structural changes made by applying the description of the present invention and the scope of the patent application should be included in the scope of the patent application of the present invention.

1: Automatic correction device for voltage and temperature of battery control board

11: High-precision power supply equipment

12: Correction plate

13: High-precision electric meter measuring equipment

14: Display device

15: Correction button

16: Turn on the button

2: Battery control board

Claims (10)

An automatic voltage and temperature calibration device for a battery control board, comprising a high-precision power supply device, a calibration board, a high-precision electric meter measuring device, and a display device; the high-precision power supply device is electrically connected to the battery to be calibrated The control board is used to provide a fixed voltage of the battery control board to be calibrated as a voltage calibration reference; the calibration board is electrically connected to the battery control board to be calibrated, and the calibration board is provided with a cable that can be connected to the battery control board to be calibrated The calibration battery control board and the communication processing unit for adjusting its internal setting parameters, as well as the voltage unit and temperature unit electrically connected to the communication processing unit, and the calibration board is also electrically connected to the calibration button; the high-precision The meter measuring equipment is electrically connected to the battery control board to be calibrated and the calibration board; the display device is electrically connected to the calibration board; in addition, the high-precision power supply equipment and the battery control board to be calibrated are separately electrically connected Link to the On button. The automatic voltage and temperature calibration device for a battery control board as claimed in claim 1, wherein the calibration board is provided with a USB connection interface. The automatic voltage and temperature calibration device for a battery control board as claimed in claim 1, wherein a measurement unit electrically connected to a high-precision electric meter measurement device is provided in the calibration board. The automatic voltage and temperature correction device for a battery control panel according to claim 1, wherein the display device is a computer. An automatic voltage and temperature correction method for a battery control board, which is formed by using the voltage and temperature automatic correction device for any battery control board described in claim 1 to claim 4 and through the following steps: A. Preparation step: take out After the battery control board to be calibrated is electrically connected with the high-precision power supply equipment, the calibration board, and the high-precision electric meter measuring equipment, press the ON button to turn on the power of the calibration system, and then press the calibration button to start the calibration; B .Voltage calibration step: The calibration board writes the voltage parameters into the battery control board to be calibrated after the first comparison step, and reads the voltages of the battery control board to be calibrated and the calibration board at the same time; C. The first time Comparison step: The display device shows whether the voltage adjustment result is within 0.1% of the error value. If the adjustment result exceeds the error value, the voltage calibration step is performed again, and in the first comparison step, there is a set of voltage calibration times. The upper limit, when the calibration times of the calibration board reaches the upper limit, the voltage of the battery control board to be calibrated still exceeds the error value, then the battery control board to be calibrated will be regarded as a defective product; D. Temperature calibration steps: the calibration board will temperature The parameters are written into the battery control board to be calibrated, and the temperature of the battery control board to be calibrated and the calibration board are read at the same time; E. Second comparison step: The display device shows whether the temperature adjustment result is within the error value, if If the adjustment result exceeds the error value, the temperature correction step is performed again, and the upper limit of the number of temperature corrections is also set in the second comparison step. After the number of calibrations reaches the upper limit, the temperature of the battery control board to be calibrated still exceeds the error value, then the battery control board to be calibrated will also be regarded as a defective product; F. Locking step: When the battery control board has completed all calibrations, it will be Write the lock board command into it, so that the relevant parameters of the battery control board cannot be changed in the future. The automatic voltage and temperature calibration method for a battery control board as claimed in claim 5, wherein in the locking step, the production history of the battery control board is simultaneously written when the lock board command is written. The automatic voltage and temperature calibration method for a battery control board according to claim 5, wherein the upper limit of the number of times the voltage calibration step and the temperature calibration step are performed is 3 times. An automatic voltage and temperature correction method for a battery control board, which is formed by using the voltage and temperature automatic correction device for any battery control board described in claim 1 to claim 4 and through the following steps: A. Preparation step: take out After the battery control board to be calibrated is electrically connected with the high-precision power supply equipment, the calibration board, and the high-precision electric meter measuring equipment, press the ON button to turn on the power of the calibration system, and then press the calibration button to start the calibration; B .Temperature calibration step: the calibration board writes the temperature parameters to the battery control board to be calibrated, and reads the temperature of the battery control board to be calibrated and the calibration board at the same time; C. The first comparison step: the temperature is displayed by the display device Whether the adjustment result is within the error value, if the adjustment result exceeds the error value, the temperature correction step is performed again, and in the first comparison step, there is an upper limit of the number of temperature correction times. After the number of times reaches the upper limit, if the temperature of the battery control board to be calibrated still exceeds the error value, the battery control board to be calibrated will be regarded as a defective product; D. Voltage calibration steps: the calibration board writes the voltage parameters after the first time Compare the battery control board to be calibrated after the verification step, and read the voltage of the battery control board to be calibrated and the calibration board at the same time; E. The second comparison step: the display device shows whether the voltage adjustment result is within the error value Within 0.1% of the voltage, if the adjustment result exceeds the error value, the voltage calibration step is performed again, and the upper limit of the voltage calibration times is also set in the second comparison step. When the calibration plate calibration times reaches the upper limit, the battery to be calibrated If the voltage of the control board still exceeds the error value, the battery control board to be calibrated will also be regarded as a defective product; F. Locking step: When the battery control board has completed all corrections, the lock board command will be written into it to make The relevant parameters of the battery control board cannot be changed in the future. The automatic voltage and temperature calibration method for a battery control board as claimed in claim 8, wherein in the locking step, the production history of the battery control board is simultaneously written when the lock board command is written. The automatic voltage and temperature calibration method for a battery control board according to claim 8, wherein the upper limit of the number of times the temperature calibration step and the voltage calibration step are performed is 3 times.

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