A method and system for automatically scheduling a test area of ​​a power battery production line

Abstract

The present invention provides a method and system for automatically scheduling a test area of ​​a power battery production line in the field of power battery production management technology. The method includes the following steps: Step S10, PLC monitors the presence or absence of battery trays in each test machine at each test station in the test area of ​​the power battery production line; Step S20, PLC obtains the input scheduling instruction, and controls the AGV trolley to transfer the battery tray loaded with power batteries between each test station in sequence; Step S30, when each test machine determines that the front end is incoming, it lifts the battery tray and performs automatic testing on the power battery in the battery tray; Step S40, after the test is completed, the test machine lowers the battery tray, releases the AGV trolley, and flows into the test machine at the next test station for automatic scheduling. The advantages of the present invention are: greatly improving the efficiency and quality of power battery test scheduling.

Description

Technical Field

[0001] The present invention relates to the technical field of power battery production management, and in particular to an automatic scheduling method and system for a power battery production line test area. Background Art

[0002] With the continuous development of the new energy industry, the new energy vehicle manufacturing industry has also undergone repeated updates and iterations, and the production process requirements for power batteries for new energy vehicles have become increasingly stringent. During the production process of power batteries, in order to ensure the factory quality of power batteries, a series of tests need to be performed on them in the test area, that is, the corresponding tests are performed in accordance with the preset test sequence, which involves the scheduling of the power battery production line test area.

[0003] For the scheduling of power battery testing, manual scheduling is traditionally adopted, which has the following disadvantages: 1. When there are a large number of incoming power batteries, it is impossible to accurately judge the scheduling needs, and the probability of error is high, which affects the operation of subsequent processes; 2. The consistency of manual scheduling is low, which can easily cause blockage of the production line, which has a great impact on the rhythm, and the time required for different people to operate cannot be strictly unified, and the stability is not high.

[0004] Therefore, how to provide an automatic scheduling method and system for the test area of ​​a power battery production line to improve the efficiency and quality of power battery test scheduling has become a technical problem that needs to be solved urgently. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a method and system for automatically scheduling the test area of ​​a power battery production line, so as to improve the efficiency and quality of power battery test scheduling.

[0006] In a first aspect, the present invention provides a method for automatically scheduling a test area of ​​a power battery production line, comprising the following steps:

[0007] Step S10: The PLC monitors the presence or absence of battery trays on each test machine at each test station in the test area of ​​the power battery production line;

[0008] Step S20: The PLC obtains the input dispatching instruction and controls the AGV to transfer the battery tray loaded with power batteries between the test stations in sequence;

[0009] Step S30: When each testing machine determines that the front end has incoming materials, it lifts the battery tray and performs automatic testing on the power batteries in the battery tray;

[0010] Step S40: After the test is completed, the test machine lowers the battery tray, releases the AGV, and flows into the test machine at the next test station for automatic scheduling.

[0011] Furthermore, the step S10 is specifically as follows:

[0012] The PLC uses photoelectric sensors to monitor the presence of battery trays in each test machine at each test station in the test area of ​​the power battery production line.

[0013] Furthermore, the step S20 is specifically as follows:

[0014] The PLC obtains the input scheduling instruction, writes the scheduling task carried by the scheduling instruction into the RFID chip of the battery tray, and controls the AGV to transfer the battery tray loaded with power batteries between the various test stations according to the scheduling task.

[0015] Furthermore, the step S30 specifically includes:

[0016] Step S31: When the PLC determines the incoming material from the front end of each test machine through the proximity sensor, it determines whether the machine currently has a battery tray. If not, it proceeds to step S32; if so, it controls the AGV to move to an idle test machine in the test station, and then proceeds to step S32;

[0017] Step S32: the testing machine lifts the battery tray by means of a lifting cylinder, verifies the horizontality of the battery tray by means of a tilt sensor, and then reads the scheduling task from the RFID chip of the battery tray;

[0018] Step S33: The testing machine performs automatic testing on the power batteries in the battery tray based on the scheduling task.

[0019] Furthermore, the step S40 is specifically as follows:

[0020] After the test is completed, the testing machine writes the test results into the RFID chip, lowers the battery tray through the lifting cylinder, verifies the horizontality of the battery tray through the inclination sensor, releases the AGV, and flows into the testing machine at the next test station for automatic scheduling.

[0021] In a second aspect, the present invention provides an automatic scheduling system for a power battery production line test area, comprising the following modules:

[0022] The battery tray monitoring module is used by the PLC to monitor the presence of battery trays in each test machine at each test station in the test area of ​​the power battery production line;

[0023] The battery tray circulation module is used for PLC to obtain the input scheduling instructions and control the AGV to transfer the battery tray loaded with power batteries between the test stations in sequence;

[0024] The test machine feeding module is used for lifting the battery tray when each test machine determines the front-end incoming materials, and automatically testing the power batteries in the battery tray;

[0025] The discharging module of the testing machine is used to lower the battery tray after the test is completed, release the AGV car, and flow it into the testing machine at the next testing station for automatic scheduling.

[0026] Furthermore, the battery tray monitoring module is specifically used for:

[0027] The PLC uses photoelectric sensors to monitor the presence of battery trays in each test machine at each test station in the test area of ​​the power battery production line.

[0028] Furthermore, the battery tray circulation module is specifically used for:

[0029] The PLC obtains the input scheduling instruction, writes the scheduling task carried by the scheduling instruction into the RFID chip of the battery tray, and controls the AGV to transfer the battery tray loaded with power batteries between the various test stations according to the scheduling task.

[0030] Furthermore, the testing machine feeding module specifically includes:

[0031] The idle check unit is used for the PLC to determine whether there is a battery tray in the machine when the PLC uses the proximity sensor to determine the front-end material of each test machine. If not, it will enter the lifting unit; if so, it will control the AGV to move to the idle test machine in this test station and then enter the lifting unit;

[0032] The lifting unit is used for the test machine to lift the battery tray through the lifting cylinder, check the horizontality of the battery tray through the inclination sensor, and read the scheduling task from the RFID chip of the battery tray;

[0033] The power battery testing unit is used for the testing machine to perform automatic testing on the power battery in the battery tray based on the scheduling task.

[0034] Furthermore, the discharging module of the testing machine is specifically used for:

[0035] After the test is completed, the testing machine writes the test results into the RFID chip, lowers the battery tray through the lifting cylinder, verifies the horizontality of the battery tray through the inclination sensor, releases the AGV, and flows into the testing machine at the next test station for automatic scheduling.

[0036] The advantages of the present invention are:

[0037] PLC is used to monitor the presence of battery trays at each test station in the test area of ​​the power battery production line. Then, PLC obtains the input scheduling instructions to control the AGV to transfer the battery tray loaded with power batteries between the test stations in sequence. When each testing machine determines that there is material coming from the front end, it lifts the battery tray and performs automatic testing on the power batteries in the battery tray. After the test is completed, the testing machine lowers the battery tray to release the AGV to flow into the testing machine at the next test station. That is, the power batteries are automatically scheduled at each test station in the test area of ​​the power battery production line controlled by PLC, replacing traditional manual scheduling, avoiding human errors, low consistency, and problems such as inability to strictly unify time, thereby greatly improving the efficiency and quality of power battery test scheduling. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] The present invention will be further described below in conjunction with embodiments with reference to the accompanying drawings.

[0039] Figure 1 It is a flow chart of a method for automatically scheduling a test area of ​​a power battery production line according to the present invention.

[0040] Figure 2 It is a structural schematic diagram of an automatic scheduling system for a test area of ​​a power battery production line of the present invention. DETAILED DESCRIPTION

[0041] The overall idea of ​​the technical solution in the embodiments of the present application is as follows: the power battery is automatically scheduled at each test station in the test area of ​​the power battery production line through PLC control, replacing the traditional manual scheduling, so as to improve the efficiency and quality of the power battery test scheduling.

[0042] Please refer to Figure 1 to Figure 2 As shown, a preferred embodiment of a method for automatically scheduling a test area of ​​a power battery production line of the present invention comprises the following steps:

[0043] Step S10, the PLC monitors the presence or absence of the battery tray on each test machine at each test station in the test area of ​​the power battery production line; each of the test stations is provided with a plurality of test machines of the same type; the types of the test machines at least include an airtightness test machine, an EOL test machine, and a DCR test machine;

[0044] Step S20: The PLC obtains the input dispatching instruction and controls the AGV to transfer the battery tray loaded with power batteries between the test stations in sequence;

[0045] Step S30: When each testing machine determines that the front end has incoming materials, it lifts the battery tray and performs automatic testing on the power batteries in the battery tray;

[0046] Step S40: After the test is completed, the test machine lowers the battery tray, releases the AGV, and flows into the test machine of the next test station for automatic scheduling. In specific implementation, the test machine can feed from the left and discharge from the right, or feed from the right and discharge from the left, so it is necessary to determine the direction of feeding and discharging.

[0047] The step S10 is specifically as follows:

[0048] The PLC uses photoelectric sensors to monitor the presence of battery trays in each test machine at each test station in the test area of ​​the power battery production line.

[0049] The step S20 is specifically as follows:

[0050] The PLC obtains the input scheduling instruction, writes the scheduling task carried by the scheduling instruction into the RFID chip of the battery tray, and controls the AGV to transfer the battery tray loaded with power batteries between the various test stations according to the scheduling task.

[0051] The step S30 specifically includes:

[0052] Step S31: When the PLC determines the incoming material from the front end of each test machine through the proximity sensor, it determines whether the machine currently has a battery tray. If not, it proceeds to step S32; if so, it controls the AGV to move to an idle test machine in the test station, and then proceeds to step S32;

[0053] Step S32: the testing machine lifts the battery tray by means of a lifting cylinder, verifies the horizontality of the battery tray by means of a tilt sensor, and then reads the scheduling task from the RFID chip of the battery tray;

[0054] Step S33: The testing machine performs automatic testing on the power batteries in the battery tray based on the scheduling task.

[0055] The step S40 is specifically as follows:

[0056] After the test is completed, the testing machine writes the test results into the RFID chip, so that the testing machine at the next testing station can determine whether to continue the test based on the test results. The battery tray is lowered by the lifting cylinder, and the horizontality of the battery tray is verified by the inclination sensor. The AGV is then released and flows into the testing machine at the next testing station for automatic scheduling.

[0057] A preferred embodiment of the automatic scheduling system of the test area of ​​a power battery production line of the present invention includes the following modules:

[0058] The battery tray monitoring module is used for the PLC to monitor the presence of battery trays in each test machine at each test station in the test area of ​​the power battery production line; each of the test stations is equipped with a number of test machines of the same type; the types of the test machines include at least airtightness test machines, EOL test machines, and DCR test machines;

[0059] The battery tray circulation module is used for PLC to obtain the input scheduling instructions and control the AGV to transfer the battery tray loaded with power batteries between the test stations in sequence;

[0060] The test machine feeding module is used for lifting the battery tray when each test machine determines the front-end incoming materials, and automatically testing the power batteries in the battery tray;

[0061] The test machine discharge module is used to lower the battery tray after the test is completed, release the AGV, and flow into the test machine of the next test station for automatic scheduling. In specific implementation, the test machine can be fed from the left and discharged from the right, or from the right and discharged from the left, so it is necessary to determine the direction of feeding and discharging.

[0062] The battery tray monitoring module is specifically used for:

[0063] The PLC uses photoelectric sensors to monitor the presence of battery trays in each test machine at each test station in the test area of ​​the power battery production line.

[0064] The battery tray circulation module is specifically used for:

[0065] The PLC obtains the input scheduling instruction, writes the scheduling task carried by the scheduling instruction into the RFID chip of the battery tray, and controls the AGV to transfer the battery tray loaded with power batteries between the various test stations according to the scheduling task.

[0066] The testing machine feeding module specifically includes:

[0067] The idle check unit is used for the PLC to determine whether there is a battery tray in the machine when the PLC uses the proximity sensor to determine the front-end material of each test machine. If not, it will enter the lifting unit; if so, it will control the AGV to move to the idle test machine in this test station and then enter the lifting unit;

[0068] The lifting unit is used for the test machine to lift the battery tray through the lifting cylinder, check the horizontality of the battery tray through the inclination sensor, and read the scheduling task from the RFID chip of the battery tray;

[0069] The power battery testing unit is used for the testing machine to perform automatic testing on the power battery in the battery tray based on the scheduling task.

[0070] The testing machine discharging module is specifically used for:

[0071] After the test is completed, the testing machine writes the test results into the RFID chip, so that the testing machine at the next testing station can determine whether to continue the test based on the test results. The battery tray is lowered by the lifting cylinder, and the horizontality of the battery tray is verified by the inclination sensor. The AGV is then released and flows into the testing machine at the next testing station for automatic scheduling.

[0072] In summary, the advantages of the present invention are:

[0073] PLC is used to monitor the presence of battery trays at each test station in the test area of ​​the power battery production line. Then, PLC obtains the input scheduling instructions to control the AGV to transfer the battery tray loaded with power batteries between the test stations in sequence. When each testing machine determines that there is material coming from the front end, it lifts the battery tray and performs automatic testing on the power batteries in the battery tray. After the test is completed, the testing machine lowers the battery tray to release the AGV to flow into the testing machine at the next test station. That is, the power batteries are automatically scheduled at each test station in the test area of ​​the power battery production line controlled by PLC, replacing traditional manual scheduling, avoiding human errors, low consistency, and problems such as inability to strictly unify time, thereby greatly improving the efficiency and quality of power battery test scheduling.

[0074] Although the specific implementation modes of the present invention are described above, those skilled in the art should understand that the specific implementation modes described are only illustrative and are not intended to limit the scope of the present invention. Equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A method for automatically scheduling a test area of ​​a power battery production line, characterized in that: The steps include: Step S10: The PLC monitors the presence or absence of battery trays on each test machine at each test station in the test area of ​​the power battery production line; Step S20: The PLC obtains the input dispatching instruction and controls the AGV to transfer the battery tray loaded with power batteries between the test stations in sequence; Step S30: When each testing machine determines that the front end has incoming materials, it lifts the battery tray and performs automatic testing on the power batteries in the battery tray; Step S40: After the test is completed, the test machine lowers the battery tray, releases the AGV, and flows into the test machine at the next test station for automatic scheduling.

2. The method for automatically scheduling a test area of ​​a power battery production line according to claim 1, characterized in that: The step S10 is specifically as follows: The PLC uses photoelectric sensors to monitor the presence of battery trays in each test machine at each test station in the test area of ​​the power battery production line.

3. The method for automatically scheduling a test area of ​​a power battery production line according to claim 1, characterized in that: The step S20 is specifically as follows: The PLC obtains the input scheduling instruction, writes the scheduling task carried by the scheduling instruction into the RFID chip of the battery tray, and controls the AGV to transfer the battery tray loaded with power batteries between the various test stations according to the scheduling task.

4. The method for automatically scheduling a test area of ​​a power battery production line according to claim 1, characterized in that: The step S30 specifically includes: Step S31: When the PLC determines the incoming material from the front end of each test machine through the proximity sensor, it determines whether the machine currently has a battery tray. If not, it proceeds to step S32; if so, it controls the AGV to move to an idle test machine in the test station, and then proceeds to step S32; Step S32: the testing machine lifts the battery tray by means of a lifting cylinder, verifies the horizontality of the battery tray by means of a tilt sensor, and then reads the scheduling task from the RFID chip of the battery tray; Step S33: The testing machine performs automatic testing on the power batteries in the battery tray based on the scheduling task.

5. The method for automatically scheduling a test area of ​​a power battery production line according to claim 1, characterized in that: The step S40 is specifically as follows: After the test is completed, the testing machine writes the test results into the RFID chip, lowers the battery tray through the lifting cylinder, verifies the horizontality of the battery tray through the inclination sensor, releases the AGV, and flows into the testing machine at the next test station for automatic scheduling.

6. An automatic scheduling system for the test area of ​​a power battery production line, characterized by: Includes the following modules: The battery tray monitoring module is used by the PLC to monitor the presence of battery trays in each test machine at each test station in the test area of ​​the power battery production line; The battery tray circulation module is used for PLC to obtain the input scheduling instructions and control the AGV to transfer the battery tray loaded with power batteries between the test stations in sequence; The test machine feeding module is used for lifting the battery tray when each test machine determines the front-end incoming materials, and automatically testing the power batteries in the battery tray; The discharging module of the testing machine is used to lower the battery tray after the test is completed, release the AGV car, and flow it into the testing machine at the next testing station for automatic scheduling.

7. The automatic scheduling system for the test area of ​​a power battery production line according to claim 6, characterized in that: The battery tray monitoring module is specifically used for: The PLC uses photoelectric sensors to monitor the presence of battery trays in each test machine at each test station in the test area of ​​the power battery production line.

8. The automatic scheduling system for the test area of ​​a power battery production line according to claim 6, characterized in that: The battery tray circulation module is specifically used for: The PLC obtains the input scheduling instruction, writes the scheduling task carried by the scheduling instruction into the RFID chip of the battery tray, and controls the AGV to transfer the battery tray loaded with power batteries between the various test stations according to the scheduling task.

9. The automatic scheduling system for the test area of ​​a power battery production line according to claim 6, characterized in that: The testing machine feeding module specifically includes: The idle check unit is used for the PLC to determine whether there is a battery tray in the machine when the PLC uses the proximity sensor to determine the front-end material of each test machine. If not, it will enter the lifting unit; if so, it will control the AGV to move to the idle test machine in this test station and then enter the lifting unit; The lifting unit is used for the test machine to lift the battery tray through the lifting cylinder, check the horizontality of the battery tray through the inclination sensor, and read the scheduling task from the RFID chip of the battery tray; The power battery testing unit is used for the testing machine to perform automatic testing on the power battery in the battery tray based on the scheduling task.

10. The automatic scheduling system for the test area of ​​a power battery production line according to claim 6, characterized in that: The testing machine discharging module is specifically used for: After the test is completed, the testing machine writes the test results into the RFID chip, lowers the battery tray through the lifting cylinder, verifies the horizontality of the battery tray through the inclination sensor, releases the AGV, and flows into the testing machine at the next test station for automatic scheduling.

Images