System and method for automatic calibration and verification

Automatic calibration system and method

SYSTEM AND METHOD FOR AUTOMATIC CALIBRATION AND VERIFICATION

The present invention relates to an automatic verification system and method, and more particularly to an automatic verification system and method for a battery formation device.

The activation of the battery is an integral part of the battery production process. The activation of the battery uses a chemical conversion device to charge and discharge the battery through precise voltage and current control. In order to ensure the quality of the produced battery, the chemical conversion equipment must be verified and calibrated in time to maintain the accuracy of the voltage and current control of the chemical conversion equipment.

However, in practice, due to the increasingly complex battery production process, the scale of production capacity continues to expand, and the automation level of the production line is also getting higher and higher, and the traditional verification method is no longer sufficient. Therefore, how to systematically provide automated calibration equipment and methods to improve the verification efficiency of the formation equipment is one of the problems that R&D personnel should solve.

The invention provides an automatic verification system for improving the verification mode of the conventional battery formation device and improving the verification efficiency of the formation device.

The automatic calibration system disclosed in the present invention comprises at least one battery formation device and a calibration fixture. The battery forming device receives the first control command through the communication network, and performs a verification process according to the first control command, wherein the calibration program includes a charging mode and a discharging mode. Furthermore, the calibration fixture is used to selectively couple to the battery formation device. In the calibration procedure, when the calibration fixture is coupled to the battery formation device, the calibration fixture generates the first measurement result, and the first measurement result is transmitted through the wireless transmission of the calibration fixture. The interface is transferred to the battery formation device.

According to the automatic verification system disclosed in the above invention, the battery formation device is controlled by the communication network, the verification program is started, and the battery formation device and the verification jig are communicated through the wireless transmission channel to complete the correction of the battery formation device. With verification. In this way, not only can the flexibility and efficiency of the calibration procedure be effectively improved, but also the labor saving effect can be achieved.

The above description of the present invention and the following description of the embodiments are intended to illustrate and explain the principles of the invention, and to provide a further explanation of the scope of the invention.

<p>10, 30, 40, 50 battery formation equipment</p><p>12, 22, 32, 42, 52Check fixtures</p><p>14, 34, 44, 54Communication networks</p><p>220Contact Module</p><p>222Control Module</p><p>224Measurement module</p><p>36, 56Up and down device</p><p>41, 51 computer equipment</p>

FIG. 1 is a block diagram of an automatic verification system according to an embodiment of the present invention.

FIG. 2 is a structural diagram of a calibration jig according to an embodiment of the present invention.

FIG. 3 is a block diagram of an automatic verification system according to an embodiment of the present invention.

Figure 4 is a block diagram of an automatic verification system according to an embodiment of the present invention.

Figure 5 is a block diagram of an automatic verification system according to an embodiment of the present invention.

Figure 6 is a flow chart of an automatic verification method according to an embodiment of the present invention.

Please refer to FIG. 1 , which is an architectural diagram of an automatic verification system according to an embodiment of the present invention. As shown in FIG. 1, the automatic verification system includes at least one battery formation device 10 and a calibration jig 12. The battery forming apparatus 10 receives a control command (first control command) through the communication network 14, and executes a verification program according to the control command, and the verification program includes a charging mode and a discharging mode. The calibration fixture 12 is then selectively coupled to the battery formation device. In the calibration procedure, when the calibration fixture 12 is coupled to the battery formation device 10, the verification fixture 12 generates a first measurement result, and transmits the first measurement result through the wireless transmission of the verification fixture 12. The interface is transferred to the battery formation device 10. Furthermore, when the automatic verification system includes a plurality of battery formation devices, the first control command can be used to select which battery formation device to verify. In practice, the communication network 14 can be a regional network, a wide area network, or a mobile communication network. Wireless transmission interface can use wireless LAN, Bluetooth communication or IEEE Technology such as 802.15.4 (ZigBee) is implemented. This embodiment is not limited thereto.

Please refer to FIG. 2, which is a structural diagram of a calibration jig according to an embodiment of the present invention. The calibration fixture 22 includes a contact module 220, a control module 222, and a measurement module 224. When the calibration jig 22 is combined with the battery forming device, the verification jig 22 is used as a dummy battery, wherein the contact module 220 provides the electrode contacts of the dummy battery. Thereby, the verification jig 22 can be electrically connected with the battery formation device to simulate the environment in which the real battery is charged and discharged in the battery formation device. Moreover, the control module 222 is coupled to the contact module 220 and exchanges a verification command with the battery formation device through the wireless transmission interface. According to the verification command, the calibration fixture 22 and the battery formation device can perform the charging mode and the discharging mode through the electrical connection of the contact module 220. The measurement module 224 is coupled to the contact module 220 for performing measurement on the contact mode 220 in association with the charging mode and the discharging mode to generate a first measurement result. The measurement module 224 transmits the first measurement result to the battery formation device through the wireless transmission module. In practice, the measurement module 224 can include a digital three-meter power meter, which is not limited in this embodiment.

Further, when the calibration fixture 22 and the battery formation device are ready to perform the charging mode through the communication of the verification command, the control module 222 instructs the battery formation device to provide the charging power with the verification instruction, and controls the calibration fixture. The 22 simulated dummy battery enters the load mode to charge the calibration fixture 22. When the calibration fixture 22 and the battery formation device are ready to perform the discharge mode through the communication of the verification command, the control module 222 controls the dummy battery simulated by the verification fixture 22 to enter the power supply mode, that is, the power supply is simulated and powered. A dummy battery is used to discharge the calibration fixture 22. The measurement module 224 performs voltage and current measurement on the contact mode module 220 in the charging mode and the discharging mode, respectively, to generate a first measurement result. In practice, a battery forming device usually has a plurality of channels and corresponding electrodes, which can charge or discharge a plurality of batteries at the same time. Therefore, the contact module 220 in the calibration fixture 22 can also include multiple sets of electrodes for simulating a plurality of batteries, and setting appropriate channels and electrodes by using the communication of the verification command, so as to facilitate the verification process. A fake battery is charged and discharged and correlated.

Furthermore, the above calibration procedure can be divided into calibration and verification of the battery formation device. When the battery formation device is calibrated, the battery formation device takes the first measurement result received as a standard value to generate a correction value, and writes the correction value to the battery formation device. In practice, the first measurement will be As a result, a plurality of voltage or current values are calculated to obtain an average value or a charge and discharge curve characteristic to generate a correction value. In this way, the battery forming device can accurately charge and discharge the battery according to the updated correction value when the battery is produced. When the battery forming device is verified, the battery forming device performs voltage and current measurement in the charging and discharging modes in addition to receiving the first measurement result to generate a second measurement result. Thereby, the battery forming device also takes the first measurement result as a standard, and compares the first measurement result with the second measurement result to generate a verification result, which is used to represent the measurement value and the standard value. Relationship between to assess device status. For example, the verification result may be a voltage or current difference between the first measurement result and the second measurement result. When the difference is less than the preset threshold, the accuracy of the battery forming device is in accordance with the standard. Conversely, when the difference is greater than or equal to the preset threshold, the accuracy of the battery forming device is out of standard, and correction may be considered to restore its accuracy.

Please refer to FIG. 3, which is an architectural diagram of an automatic verification system according to an embodiment of the present invention. As shown in FIG. 3, the automatic verification system includes at least one battery formation device 30, a calibration jig 32, and an upper and lower shelf device 36. The battery formation device 30 receives the first control command via the communication network 34 and performs a verification process in accordance with the first control command. The gantry device 36 receives the second control command through the communication network 34 and moves the calibration jig 32 according to the second control command to couple the calibration jig 32 to the battery forming device 30. In the calibration procedure, when the calibration fixture 32 is coupled to the battery formation device 30, the verification fixture 32 generates a first measurement result, and transmits the first measurement result through the wireless transmission of the verification fixture 32. The interface is transferred to the battery formation device 30. In practice, when the automatic verification system includes a plurality of battery formation devices, the first control command may be used to select which battery formation device is to be verified, and the second control command is used to control the movement of the upper and lower shelf devices 36. The fixture 32 is configured to couple the calibration fixture 32 to the selected battery formation device. For example, a computer connected to the communication network 34 can be used to integrate the manufacturing equipment, a control command (first control command) can be generated in a schedule scheduling manner to start the verification program, and another control command can be generated according to the reservation schedule ( The second control command) controls the upper and lower rack devices 36.

In practice, the first measurement result, the second measurement result and the verification result in the foregoing embodiments can be transmitted to the computer integrated manufacturing device through the communication network, thereby facilitating the establishment of the database and performing Integrate the analysis as a reference for battery production and equipment maintenance. Furthermore, the reservation schedule can be a preset periodic schedule, and the schedule of the verification program can also be determined based on the analysis of the above measurement and verification results. The scheduling mechanism described in this embodiment is of course not limited thereto, and those having ordinary knowledge in the technical field can design an appropriate scheduling manner according to actual needs.

Please refer to FIG. 4, which is an architectural diagram of an automatic verification system according to an embodiment of the present invention. As shown in FIG. 4, the automatic verification system includes at least one computer device 41 and a calibration fixture 42 for controlling the battery formation device 40. Thereby, the computer device 41 receives the control command (first control command) through the communication network 44, and controls the battery forming device 40 to execute the verification program according to the control command. The verification program includes the charging mode and the discharging mode. The calibration fixture 42 is for selectively coupling to the battery formation device. In the calibration procedure, when the calibration fixture 42 is coupled to the battery formation device 40, the calibration fixture 42 generates a first measurement result, and transmits the first measurement result through the wireless transmission of the calibration fixture 42. The interface is transferred to the computer device 41.

In an automatic verification system according to another embodiment of the present invention, the calibration fixture 42 may include a contact module, a control module, and a measurement module. The control module can exchange the verification command with the computer device 41 through the wireless transmission interface to perform the charging mode and the discharging mode through the electrical connection of the contact module. The rest of the charging and discharging modes and their related measurements are performed as in the foregoing embodiments, and are not described herein again. Furthermore, the above verification procedure can be divided into calibration and verification of the battery formation apparatus 40. When the battery formation device 40 is corrected, the computer device 41 takes the received first measurement result as a standard value to generate a correction value, and writes the correction value to the battery formation device 40. When the battery forming apparatus 40 is verified, the computer apparatus 41 controls the battery forming apparatus 40 in the charging and discharging modes in addition to receiving the first measurement result, and causes the battery forming apparatus 40 to measure the voltage and current. A second measurement result is generated. Thereby, the computer device 41 also takes the first measurement result received as a standard, and compares the first measurement result with the second measurement result to generate a verification result, which is used to represent the measurement value and the standard value. The relationship between them is to evaluate the state of the battery formation device 40.

Please refer to FIG. 5, which is an architectural diagram of an automatic verification system according to an embodiment of the present invention. As shown in FIG. 5, the automatic verification system includes at least one computer device 51, a calibration fixture 52, and The upper and lower shelves 56. The computer device 51 receives the first control command through the communication network 54 and performs a verification procedure in accordance with the first control command. The gantry device 56 receives the second control command through the communication network 54 and moves the calibration jig 52 according to the second control command to couple the calibration jig 52 to the battery forming device 50. In the calibration procedure, when the calibration fixture 52 is coupled to the battery formation device 50, the calibration fixture 52 generates a first measurement result and wirelessly transmits the first measurement result through the calibration fixture 52. The interface is transferred to the computer device 51. In practice, when the automatic verification system includes a plurality of battery formation devices, the first control command may be used to select which battery formation device is to be verified, and the second control command is used to control the movement of the upper and lower rack devices 56. The fixture 52 is coupled to the calibration fixture 52 to the selected battery formation device.

Please refer to FIG. 6, which is a flowchart of an automatic verification method according to an embodiment of the present invention. The automatic verification method is used for an automatic verification system, and the automatic verification system includes at least one battery formation device and a calibration fixture. First, a first control command is generated to drive execution of the verification program (S60). Next, the verification jig is selectively coupled to the battery formation device (S62). Next, the battery forming device receives the first control command through the communication network, and performs a verification process according to the first control command, wherein the verification program includes a charging mode and a discharging mode (S64). Furthermore, the verification jig generates a first measurement result in the verification program (S66). Then, the verification jig transmits the first measurement result to the battery formation device through the wireless transmission interface of the verification jig (S68).

In an automatic verification method according to another embodiment of the present invention, the calibration fixture includes a contact module, a control module, and a measurement module. This embodiment further includes the following steps. When the charging mode is performed, the control module instructs the battery forming device to provide charging power with a verification command. In addition, the control module controls the dummy battery simulated by the verification jig to enter the load mode, so that the battery formation device and the verification jig are in a charging mode. When the discharge mode is performed, the control module controls the dummy battery simulated by the verification fixture to enter the power supply mode to provide a power supply to simulate a powered false battery, and to make the battery formation device and the calibration fixture perform a discharge mode. Furthermore, the measurement module performs voltage and current measurement on the contact module in the charging mode and the discharging mode to generate the first measurement result.

In the automatic verification method according to another embodiment of the present invention, the battery formation device is included Calibration and verification. When the battery forming device is corrected, the following steps are further included. The battery forming device writes the received first measurement result to the battery formation device. When verifying the battery forming device, the following steps are included. First, the battery forming device performs voltage and current measurements by itself in the charging and discharging modes to generate a second measurement result. Then, the battery forming device compares the first measurement result and the second measurement result to generate a verification result. In practice, the battery forming device can transmit the first measurement result, the second measurement result and the verification result to the computer integrated manufacturing device through the communication network. Thereby, the computer integrated manufacturing equipment performs a unified analysis on the first measurement result, the second measurement result and the verification result.

In the automatic verification method according to another embodiment of the present invention, the automatic verification system further includes an upper and lower frame device. In addition to the steps of the foregoing embodiments, the step of combining the verification fixture with the battery formation device further includes: the upper and lower shelf devices receive the second control command through the communication network, and move the calibration fixture according to the second control instruction, In order to combine the calibration fixture with the battery formation device. In practice, when the automatic verification system includes a plurality of battery formation devices, the battery formation device to be executed by the verification process may be selected by scheduling the schedule, and the time course of execution may be determined to generate a corresponding first control command and The second control command.

In the automatic verification method according to another embodiment of the present invention, the following preliminary steps are included before the verification procedure is performed. First, the battery forming device receives a power down command. When the battery formation device returns a power failure, the battery formation device receives the cooling command. When the battery formation device returns to cool down successfully, the upper and lower frame devices are controlled to move the verification fixture to be combined with the battery formation device. Furthermore, the following recovery steps are included after the verification process is completed. First, the upper and lower frame devices are controlled to move the verification jig to be separated from the battery formation device. Next, the battery forming device receives the temperature increase command. After the battery formation device returns the temperature, the battery formation device receives the re-power instruction. After the battery formation device returns a successful recovery, the restoration step is completed. In practice, the above instructions can be provided by a computer integrated manufacturing device via a communication network.

In the automatic verification method according to another embodiment of the present invention, the following steps are further included in the verification process. First, the calibration fixture checks whether the auxiliary power supply is normal to ensure that the power supply of the fixture is verified when the verification program is executed. Then, the calibration fixture will set the voltage and current parameters and the contact conduction state. When the charging or discharging mode is activated, the measurement module will wait for a preset time. After the measurement environment reaches a steady state, the voltage and current are measured.

Although the embodiments of the present invention are disclosed above, it is not intended to limit the present invention, and those skilled in the art, regardless of the spirit and scope of the present invention, the shapes, configurations, and features described in the scope of the present application. And the number of modifications may be made, and the scope of patent protection of the present invention shall be determined by the scope of the patent application attached to the specification.