A heavy hammer starter technical parameter measurement and control system and a measurement and control method

Abstract

This invention relates to a measurement and control system and method for technical parameters of a counterweight starter, mainly applicable to the testing, comparison and judgment of test results, and classification of technical parameters of a counterweight starter, belonging to the field of testing and control. The invention includes a mechanical part and an electrical control part, with the mechanical part controlled by the electrical control part. The mechanical part includes a conveying mechanism and a testing mechanism mounted on a worktable. Its structural features are as follows: the conveying mechanism includes a first connecting block, an X-axis slide, a Y-axis slide, a second connecting block, a Z-axis cylinder, and a pneumatic gripper. The Y-axis slide is mounted on the worktable, the second connecting block is slidably mounted on the Y-axis slide, the X-axis slide is mounted on the second connecting block, the first connecting block is slidably mounted on the X-axis slide, the Z-axis cylinder is mounted on the first connecting block, and the pneumatic gripper is mounted on the Z-axis cylinder.

Description

Technical Field

[0001] This invention relates to a measurement and control system and method for measuring and controlling the technical parameters of a counterweight starter. It is mainly applicable to the testing, comparison and judgment of test results, and classification of the technical parameters of a counterweight starter, and belongs to the field of testing and control. Background Technology

[0002] The external structure and internal working principle of the counterweight starter QL are as follows: Figure 1 and 2 As shown. The counterweight starter QL consists of a drive coil 5, an armature 6, a stationary contact 7, a moving contact 8, a first pin 1, a second pin 2, a third pin 3, and a fourth pin 4. The first pin 1, the second pin 2, the third pin 3, and the fourth pin 4 are used to connect to external devices. The first pin 1 and the third pin 3 are connected to the internal drive coil 5. The second pin 2 and the fourth pin 4 are respectively connected to the internal stationary contact 7. The moving contact 8 is fixed on the armature 6.

[0003] The QL counterweight starter is mainly used for the starting control of fixed-frequency compressors in refrigerators and freezers. Currently, most fixed-frequency compressors use single-phase asynchronous motors, consisting of a running winding and a starting winding. Its starting principle is as follows: Figure 3 As shown, pin 1 is connected to the running winding terminal M of compressor YS, pin 2 is connected to the starting winding terminal S of compressor YS, pins 3 and 4 are connected to the N terminal of AC power supply, and the common terminal C of compressor YS is connected to the L terminal of AC power supply.

[0004] Its working principle is that after the power is turned on, the running winding circuit is formed by the L terminal of the AC power supply → the common terminal C of the compressor YS, the running winding terminal M → the first and third pins of the drive coil 5 → the N terminal of the AC power supply. Because the circuit current is large at the beginning of the power supply, this large current makes the magnetic field generated by the drive coil 5 sufficient to attract the armature 6, which drives the moving contact 8 and the stationary contact 7 fixed on the armature 6 to close. This connects the starting winding circuit formed by the L terminal of the AC power supply → the common terminal C of the compressor YS, the starting winding terminal S → the second and fourth pins of the stationary contact 7 → the N terminal of the AC power supply. Under the action of the starting current, the compressor YS starts and runs.

[0005] When the compressor YS starts running, the current in the running winding drops to the normal value. This current reduces the magnetic field generated by the QL drive coil 5 of the hammer starter. Under the action of its own weight and the return spring, the armature 6 resets, cutting off the power supply circuit of the starting winding and completing the starting process.

[0006] In practical applications, there are very strict requirements for matching the current parameters of the compressor YS during startup and operation with the technical parameters of the hammer starter QL. Generally, the actual pull-in current parameter of the hammer starter QL is required to be less than the running winding current of the compressor YS at the initial power-on and within a certain range. Otherwise, the hammer starter QL may not be able to pull in normally or the contacts may vibrate when it pulls in, thus affecting the starting performance of the compressor YS and the service life of the hammer starter QL.

[0007] When the compressor YS is in normal operating condition after starting, it is generally required that the actual release current parameter of the hammer starter QL is greater than the operating winding current of the compressor YS during normal operation and within a certain range. Otherwise, the hammer starter QL will fail to release or the contacts will vibrate during release, affecting the normal operation of the compressor YS and the service life of the hammer starter QL.

[0008] During the production process, the technical parameters of the counterweight starter QL are strictly controlled. The actual pull-in current and actual release current data are tested, and the test data are compared with the required range to determine whether they exceed the range. At the same time, the contact chattering is monitored when the maximum pull-in current and minimum release current are applied.

[0009] The current testing methods have a low degree of automation, and their testing principles are as follows: Figure 4 The test system includes a voltage regulator TB, a first transformer T1, a second transformer T2, a current-limiting resistor RL, a pointer-type AC ammeter PA, an indicator light HL, and a hammer-type starter QL.

[0010] The connection method is as follows: the L and N terminals of the power supply are connected to the input terminals of the voltage regulator TB and the primary terminals of the second transformer T2, respectively. The output terminals of the voltage regulator TB are connected to the primary terminals of the first transformer T1. One terminal of the secondary winding of the first transformer T1 is connected to one terminal of the current-limiting resistor RL. The other terminal of the current-limiting resistor RL is connected to one terminal of the pointer-type AC ammeter PA. The other terminal of the pointer-type AC ammeter PA is connected to pin 1 of the hammer starter QL. Pin 3 of the hammer starter QL is connected to the other terminal of the secondary winding of the first transformer T1. The circuit formed by these components is the coil current regulation circuit. One terminal of the secondary winding of the second transformer T2 is connected to one terminal of the indicator light HL. The other terminal of the indicator light HL is connected to pin 4 of the hammer starter QL. Pin 2 of the hammer starter QL is connected to the other terminal of the secondary winding of the second transformer T2. The circuit formed by these components is the contact on / off indicator circuit.

[0011] The test principle is as follows: Connect the counterweight starter QL to the test system. Slowly adjust the voltage regulator TB to gradually increase the coil circuit current. Observe the current change using the pointer-type AC ammeter PA, and simultaneously observe the contact connection status by monitoring the brightness of the indicator light HL. When the indicator light HL changes from off to on, manually record the current value as the pull-in current. Then, adjust the current value to the specified maximum pull-in current and observe the flashing of the indicator light HL within a specified time. If there is flashing, it indicates contact chattering. Next, slowly adjust the voltage regulator TB in the opposite direction to gradually decrease the coil circuit current. Observe the current change using the pointer-type AC ammeter PA, and simultaneously observe the contact disconnection status by monitoring the brightness of the indicator light HL. When the indicator light HL changes from on to off, manually record the current value as the release current. Then, adjust the current value to the specified minimum release current and observe the flashing of the indicator light HL within a specified time. If there is flashing, it indicates release contact chattering. Compare the recorded pull-in and release currents with the required range to determine whether the measured data is qualified.

[0012] Existing testing systems rely on manual methods for current regulation, data acquisition, and comparison. Furthermore, fluctuations in the power grid and poor contact of the voltage regulator can cause significant deviations in the test current readings. Considering all these factors, the testing system suffers from low automation, low testing efficiency, and large testing errors.

[0013] In view of this, a starter technical parameter testing system and testing method are disclosed in patent document with application number 202211206447.5. The testing system and testing method in the prior art are used to test the parameters of PTC starter, such as room temperature resistance, action time, power consumption and recovery time. Summary of the Invention

[0014] The purpose of this invention is to overcome the above-mentioned shortcomings in the prior art and to provide a weighted starter technical parameter measurement and control system and method with reasonable structural design, fully automated measurement and control process, and high test data accuracy.

[0015] The technical solution adopted by the present invention to solve the above problems is as follows: the technical parameter measurement and control system for the counterweight starter includes a mechanical part and an electrical control part. The mechanical part is controlled by the electrical control part. The mechanical part includes a conveying mechanism and a testing mechanism set on the workbench. Its structural features are as follows: the conveying mechanism includes a first connecting block, an X-axis slide, a Y-axis slide, a second connecting block, a Z-axis cylinder and a gripper. The Y-axis slide is set on the workbench. The second connecting block is slidably set on the Y-axis slide. The X-axis slide is set on the second connecting block. The first connecting block is slidably set on the X-axis slide. The Z-axis cylinder is set on the first connecting block. The gripper is set on the Z-axis cylinder.

[0016] The testing mechanism includes a clamp advance / retract cylinder, a test probe lifting cylinder, a test clamp, a test probe holder, a first test probe, a second test probe, a third test probe, a fourth test probe, and a test probe plate. The cylinder of the clamp advance / retract cylinder and the test probe holder are both mounted on the worktable. The piston rod of the clamp advance / retract cylinder is connected to the test clamp. The cylinder of the test probe lifting cylinder is mounted on the test probe holder. The piston rod of the test probe lifting cylinder is connected to the test probe plate. The first and second test probes are both fixed on the test probe holder, and the third and fourth test probes are both fixed on the test probe plate.

[0017] Furthermore, an X-axis origin position sensor is provided on the X-axis slide, a Y-axis origin position sensor is provided on the Y-axis slide, a gripper rising position sensor and a gripper falling position sensor are provided on the cylinder of the Z-axis cylinder, a gripper retracting position sensor and a gripper advancing position sensor are provided on the cylinder of the clamp advancing cylinder, and a test needle rising position sensor and a test needle falling position sensor are provided on the cylinder of the test needle raising cylinder.

[0018] Furthermore, the electronic control unit includes an adjustable AC constant current source, a current converter, a first resistor, a current-limiting resistor, an X-axis motor driver, an X-axis motor, a Y-axis motor driver, a Y-axis motor, a programmable controller, and a human-machine interface. The first connecting block slides on an X-axis slide via an X-axis motor. The X-axis motor is connected to the X-axis motor driver, and the X-axis motor and the X-axis motor driver constitute an X-axis position motion control unit. The second connecting block slides on a Y-axis slide via a Y-axis motor. The Y-axis motor is connected to the Y-axis motor driver, and the Y-axis motor and the Y-axis motor driver constitute a Y-axis position motion control unit. The current-limiting resistor is connected to the adjustable AC constant current source. The adjustable AC constant current source, the current converter, the first resistor, the X-axis motor driver, the Y-axis motor driver, and the human-machine interface are all connected to the programmable controller.

[0019] Furthermore, the programmable controller includes a central processing unit, an input interface, an output interface, a serial communication interface, a digital-to-analog (DMA) module, and an analog-to-digital (ADC) module. The adjustable AC constant current source is connected to the DMA module, the current converter is connected to the ADC module, the first resistor is connected to the input interface, the X-axis motor driver and the Y-axis motor driver are both connected to the output interface, the human-machine interface is connected to the serial communication interface, and the input interface, output interface, serial communication interface, DMA module, and ADC module are all connected to the central processing unit.

[0020] Furthermore, the adjustable AC constant current source, the hammer starter, and the current-limiting resistor constitute a coil circuit. This coil current regulation circuit provides an adjustable excitation current for the drive coil of the hammer starter. The magnetic field generated by the drive coil causes the internal armature to move, realizing the connection and disconnection of the stationary contact and moving contact circuit. The connection method is as follows: the power input terminals V1 and V2 of the adjustable AC constant current source are connected to the L and N terminals of the mains power, respectively. The output terminal V3 of the adjustable AC constant current source is connected to the first pin of the hammer starter. The connected wire passes through the sensing hole of the current converter. The third pin of the hammer starter is connected to one end of the current-limiting resistor, and the other end of the current-limiting resistor is connected to the output terminal V4 of the adjustable AC constant current source.

[0021] Furthermore, the first resistor, the hammer starter, and the input interface constitute a contact continuity detection circuit. The connection method is as follows: the DC power supply V+ terminal is connected to one end of the first resistor, the other end of the first resistor is connected to pin 2 of the hammer starter, and pin 4 of the hammer starter is connected to the DC power supply V- terminal to form a circuit. The connection point between the first resistor and pin 2 of the hammer starter in the circuit is connected to the X0 terminal of the input interface. The continuity detection signal between the stationary and moving contacts of the hammer starter is input to the programmable controller from the X0 terminal of the input interface.

[0022] Furthermore, the + and - terminals of the digital-analog plug-in are respectively connected to the U+ and U- terminals of the adjustable AC constant current source. The DC voltage of the U+ and U- terminals of the adjustable AC constant current source is proportional to the current of the coil circuit output from the V3 and V4 terminals of the adjustable AC constant current source.

[0023] Furthermore, the U+ and U- terminals of the current converter are respectively connected to the + and - terminals of the modular digital input module, and the magnitude of the current in the coil circuit is proportional to the magnitude of the DC voltage between the U+ and U- terminals of the current converter (BI).

[0024] Furthermore, the serial communication interface is connected to the central processing unit, and the serial communication interface is connected to the human-machine interface via a data cable. The human-machine interface communicates bidirectionally with the central processing unit via the serial communication interface.

[0025] Furthermore, the workbench is equipped with a test area, a testing area, and an unloading area. The test area, testing area, and unloading area are all coordinated with the conveying mechanism. The test area is used to place the hammer starter to be tested. The testing mechanism is located in the testing area and tests the parameters of the hammer starter. The unloading area is used to place the tested hammer starter. The unloading area includes 5 unloading positions, namely, unloading position for qualified products, unloading position for products with unqualified pull-in current, unloading position for products with unqualified pull-in contact vibration, unloading position for products with unqualified release current, and unloading position for products with unqualified release contact vibration.

[0026] Furthermore, another technical objective of the present invention is to provide a measurement and control method for a weighted starter technical parameter measurement and control system.

[0027] The above-mentioned technical objective of the present invention is achieved through the following technical solution.

[0028] A measurement and control method for a technical parameter measurement and control system of a counterweight starter, characterized in that the measurement and control method is as follows:

[0029] S1. Place the material box filled with the hammer starter to be tested into the designated test area and press the start button on the workbench;

[0030] S2. The conveying mechanism of the mechanical part performs the origin reset action: The central processing unit outputs the origin reset control command, and the X-axis position motion control unit drives the first connecting block on the X-axis slide to move towards the origin through the coupling. After the X3 end of the input interface receives the origin position signal input by the X-axis origin position sensor, the X-axis origin reset ends. Similarly, the Y-axis position motion control unit drives the second connecting block on the Y-axis slide to move towards the origin through the coupling. After the X4 end of the input interface receives the origin position signal input by the Y-axis origin position sensor, the Y-axis origin reset ends.

[0031] S3. The conveying mechanism of the mechanical part performs the material picking action in the test area: The central processing unit calculates the position parameters of the No. 1 test hammer starter according to the set material picking position parameters in the test area and outputs the corresponding control command. The X-axis position motion control unit and the Y-axis position motion control unit link to control the first connecting block on the X-axis slide and the second connecting block on the Y-axis slide to move to the material picking position of the No. 1 test hammer starter. The Y4 end of the output interface is turned on to control the Z-axis cylinder to descend. The X6 end of the input interface receives the signal input by the gripper descent position sensor, indicating that the gripper has descended to the position. The Y5 end of the output interface is turned on to control the gripper to close and clamp the No. 1 test hammer starter. Then the Y4 end of the output interface is turned off to control the Z-axis cylinder to rise. The X5 end of the input interface receives the signal input by the gripper rise position sensor, indicating that the gripper has risen to the position.

[0032] S4. The conveying mechanism of the mechanical part performs the material feeding action in the test area: The central processing unit calculates the material feeding position parameters of the test area and outputs corresponding control commands. The X-axis position motion control unit and the Y-axis position motion control unit work together to control the first connecting block on the X-axis slide and the second connecting block on the Y-axis slide to move to the material feeding position in the test area. The Y4 terminal of the output interface is turned on to control the Z-axis cylinder to descend. The X6 terminal of the input interface receives the signal input by the gripper descent position sensor, indicating that the gripper has descended to the correct position. The Y5 terminal of the output interface is turned off to control the gripper to open and put the No. 1 test hammer starter into the test fixture. Then the Y4 terminal of the output interface is turned off to control the Z-axis cylinder to rise. The X5 terminal of the input interface receives the signal input by the gripper rise position sensor, indicating that the gripper has risen to the correct position.

[0033] S5. The mechanical testing mechanism performs the test connection action: the Y6 terminal of the output interface is connected, controlling the movement of the clamp advance and retraction cylinder. The X8 terminal of the input interface receives the signal input by the clamp advance position sensor, indicating that the test clamp containing the #1 test hammer starter has advanced to the correct position. At this time, the first and second test pins installed on the test pin holder are respectively inserted into the first and second pins of the #1 test hammer starter. The Y7 terminal of the output interface is connected, controlling the test pin lifting cylinder to descend. The XA terminal of the input interface receives the signal input by the test pin descent position sensor, indicating that the third and fourth test pins have been connected to the third and fourth pins of the #1 test hammer starter.

[0034] S6. The electronic control section runs an automatic test program: During the test, the central processing unit outputs digital control signals according to the test program requirements. The digital-to-analog converter converts the digital signals into analog signals and outputs them at the + / - terminals of the digital-to-analog converter. The current in the coil circuit is adjusted in real time through the U+ / U- terminals of the adjustable AC constant current source. The current converter detects the current in the coil circuit in real time and outputs analog signals from the U+ / U- terminals of the current converter. After being input through the + / - terminals of the analog-to-digital converter, the analog signals are converted into digital signals and sent to the central processing unit for comparison and processing. The current is adjusted in real time according to the data deviation, so that the current regulation of the coil circuit can achieve closed-loop control.

[0035] S61. Pull-in current test, as follows: First, adjust the current in the coil circuit to the set starting current, then increase the current in the coil circuit at the set acceleration rate to the maximum pull-in current. During the current increase, if the signal at the X0 terminal of the input interface changes from low level to high level, it indicates that the stationary contact and moving contact inside the #1 counterweight starter have been connected. The central processing unit converts the real-time current digital signal input by the analog-to-digital converter into the measured pull-in current of the #1 counterweight starter. At this time, the central processing unit compares the measured pull-in current with the maximum pull-in current and the minimum pull-in current. If the measured pull-in current is less than the minimum pull-in current or the stationary contact and moving contact are still not connected when the current in the coil circuit is adjusted to the maximum pull-in current, it is judged that the pull-in current is unqualified and the test is terminated. Otherwise, it is judged that the pull-in current is qualified and the test continues.

[0036] S62. The contact vibration test is as follows: After the current in the coil circuit continues to rise to the maximum pull-in current, the X0 terminal signal of the input interface is checked to see if it remains at a high level (i.e., the stationary contact and the moving contact are always connected) within the set vibration monitoring time. If a low level signal appears during this time period (i.e., the stationary contact and the moving contact are disconnected), it is judged that the contact vibration is unqualified and the test is terminated. Otherwise, it is judged that the contact vibration is qualified and the test continues.

[0037] S63. Release current test, as follows: The current in the coil circuit is reduced at a constant speed to the minimum release current according to the set deceleration rate. If the signal at the X0 terminal of the input interface changes from high level to low level during the current reduction process, it indicates that the stationary contact and moving contact inside the #1 hammer starter have been disconnected. The central processing unit converts the real-time current digital signal input by the analog-to-digital converter into the measured release current of the #1 hammer starter. At this time, the central processing unit compares the measured release current with the minimum release current and the maximum release current. If the measured release current is greater than the maximum release current or the stationary contact and moving contact are still not disconnected when the current in the coil circuit is adjusted to the minimum release current, it is judged that the release current is unqualified and the test is terminated. Otherwise, it is judged that the release current is qualified and the test continues.

[0038] S64. Release contact chatter test, as follows: The current in the coil circuit continues to decrease to the minimum release current. During the set chatter monitoring time, check whether the X0 terminal signal of the input interface remains at a low level (i.e., the stationary contact and the moving contact are always disconnected). If a high-level signal appears during this period (i.e., the stationary contact and the moving contact are connected), it is judged that the release contact chatter is unqualified and the test is terminated. Otherwise, it is judged that the release contact chatter is qualified, that is, all technical parameters of the No. 1 hammer starter are qualified and the test cycle of one product is completed.

[0039] S7. The mechanical testing mechanism performs a test disconnection action: the Y7 terminal of the output interface is turned off, controlling the test needle lifting cylinder to rise, and the X9 terminal of the input interface receives a signal from the test needle rising position sensor, indicating that the third and fourth test needles have been disconnected from the third and fourth pins of the #1 counterweight starter. The Y6 terminal of the output interface is turned off, controlling the clamp advance and retreat cylinder to retreat, and the X7 terminal of the input interface receives a signal from the clamp retreat position sensor, indicating that the test clamp has retreated to the material pick-up position in the test area, and the first and second pins of the #1 counterweight starter, which have completed the test, are disconnected from the first and second test needles on the test needle holder.

[0040] S8. The conveying mechanism of the mechanical part performs the material picking action in the test area: The central processing unit calculates the material picking position parameters of the test area and outputs corresponding control commands. The X-axis position motion control unit and the Y-axis position motion control unit work together to control the first connecting block on the X-axis slide and the second connecting block on the Y-axis slide to move to the material picking position in the test area. The Y4 terminal of the output interface is turned on to control the Z-axis cylinder to descend. The X6 terminal of the input interface receives the signal input by the gripper descent position sensor, indicating that the gripper has descended to the correct position. The Y5 terminal of the output interface is turned on to control the gripper to close and clamp the #1 tested weighted starter. Then the Y4 terminal of the output interface is turned off to control the Z-axis cylinder to rise. The X5 terminal of the input interface receives the signal input by the gripper rise position sensor, indicating that the gripper has risen to the correct position.

[0041] S9. The conveying mechanism of the mechanical part performs the unloading action in the unloading area: The central processing unit outputs corresponding control commands after calculating the test judgment results and the unloading area position setting parameters. The X-axis position motion control unit and the Y-axis position motion control unit work together to control the first connecting block on the X-axis slide and the second connecting block on the Y-axis slide to move to the unloading position corresponding to the test result. The Y5 terminal of the output interface is turned off, and the pneumatic gripper is controlled to open, and the #1 tested weighted starter is placed into the corresponding unloading position.

[0042] Furthermore, S3-S9 is the test and control cycle of the #1 counterweight starter. After the test and control process is completed, the central processing unit will control the conveyor to return to the test area and continue the test of the technical parameters of the #2 counterweight starter according to the S3-S9 test and control cycle until the product test of the entire material box is completed.

[0043] Furthermore, if a shutdown is required due to special circumstances during the measurement and control process, the stop button on the workbench can be pressed to bring the measurement and control process to an emergency stop.

[0044] Furthermore, before testing the technical parameters of the counterweight starter, the specified parameters are set on the human-machine interface according to the measurement and control technical requirements. These include position setting parameters related to the operation of the conveying mechanism and test setting parameters related to data testing. The position setting parameters include the material pick-up position parameters in the test area in S3, the material release and pick-up position parameters in the test area in S4 and S8, and the material unloading position parameters in the unloading area in S9. The test setting parameters include the starting current, minimum pull-in current, maximum pull-in current, maximum release current, minimum release current, vibration monitoring time, acceleration rate, and deceleration rate.

[0045] Compared with existing technologies, this invention has the following advantages: the current regulation of the coil circuit adopts a high-precision constant current source, which enables closed-loop control of the current regulation and improves the stability and accuracy of the test current; at the same time, the acquisition and comparison judgment of data and the detection of contact chatter are all automatically realized by the measurement and control system, which solves the data reading error and misjudgment caused by human factors. In addition, the conveying, picking and placing and classifying of test samples are all automatically executed by the control system, which improves the testing efficiency and reduces the labor intensity of operators. Attached Figure Description

[0046] Figure 1 This is a schematic diagram of the structure of the hammer starter according to an embodiment of the present invention.

[0047] Figure 2 This is a schematic diagram illustrating the working principle of the hammer starter according to an embodiment of the present invention.

[0048] Figure 3 This is a schematic diagram illustrating the working principle of the hammer starter in use according to an embodiment of the present invention.

[0049] Figure 4 This is a schematic diagram of the measurement and control principle of a hammer starter in the existing technology.

[0050] Figure 5 This is a schematic diagram of the measurement and control principle of the hammer starter (electric control part) in an embodiment of the present invention.

[0051] Figure 6 This is a schematic diagram of the mechanical part of the hammer starter according to an embodiment of the present invention.

[0052] Figure 7 This is a schematic diagram of the conveying mechanism according to an embodiment of the present invention.

[0053] Figure 8 This is a schematic diagram of the testing mechanism according to an embodiment of the present invention.

[0054] Figure 9 yes Figure 6 A magnified schematic diagram of a portion of the structure.

[0055] Figure 10This is a schematic diagram of the position parameter setting interface of the human-machine interface according to an embodiment of the present invention.

[0056] Figure 11 This is a schematic diagram of the test parameter setting interface of the human-machine interface according to an embodiment of the present invention.

[0057] Figure 12 This is a schematic diagram of the test interface of the human-machine interface according to an embodiment of the present invention.

[0058] In the diagram: Pin 1, Pin 2, Pin 3, Pin 4, Drive coil, Armature, Stationary contact, Moving contact.

[0059] First connecting block 9, X-axis slide 10, Y-axis slide 11, second connecting block 12, Z-axis cylinder 13, pneumatic gripper 14.

[0060] 15. Clamp advance / retract cylinder; 16. Test probe lifting cylinder; 17. Test clamp; 18. Test probe holder; 19. First test probe; 20. Second test probe; 21. Third test probe; 22. Fourth test probe; 23. Test probe plate.

[0061] X-axis origin position sensor SQ1, Y-axis origin position sensor SQ2

[0062] Pneumatic gripper rising position sensor SQ3, pneumatic gripper falling position sensor SQ4

[0063] Fixture backward position sensor SQ5, fixture forward position sensor SQ6

[0064] Test probe rising position sensor SQ7, test probe falling position sensor SQ8

[0065] Adjustable AC constant current source IT, current converter BI, hammer starter QL, first resistor R1, current limiting resistor RL, X-axis motor driver QDX, X-axis motor MX, Y-axis motor driver QDY, Y-axis motor MY, programmable logic controller (PLC), human-machine interface (MT).

[0066] Central Processing Unit (CPU), Input Interface IN, Output Interface OUT, Serial Communication Interface RS232, Digital-to-Analog Module (DA), Analog-to-Digital Module (AD),

[0067] Start button SB0, Stop button SB1. Detailed Implementation

[0068] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. The following embodiments are explanations of the present invention, but the present invention is not limited to the following embodiments.

[0069] Example

[0070] See Figure 1-3 As shown in Figures 5-12, it should be understood that the structures, proportions, sizes, etc., illustrated in the accompanying drawings of this specification are only used to complement the content disclosed in the specification, for those skilled in the art to understand and read, and are not intended to limit the conditions under which the present invention can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and objectives that the present invention can produce, should still fall within the scope of the technical content disclosed in the present invention. Furthermore, the use of terms such as "upper," "lower," "left," "right," "middle," and "one" in this specification is only for clarity of description and is not intended to limit the scope of the present invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of the present invention.

[0071] The counterweight starter technical parameter measurement and control system in this embodiment includes a mechanical part and an electrical control part. The mechanical part is controlled by the electrical control part, and the mechanical part includes a conveying mechanism and a testing mechanism set on the workbench.

[0072] The conveying mechanism includes a first connecting block 9, an X-axis slide 10, a Y-axis slide 11, a second connecting block 12, a Z-axis cylinder 13, and a gripper 14. The Y-axis slide 11 is mounted on the worktable, the second connecting block 12 is slidably mounted on the Y-axis slide 11, the X-axis slide 10 is mounted on the second connecting block 12, the first connecting block 9 is slidably mounted on the X-axis slide 10, the Z-axis cylinder 13 is mounted on the first connecting block 9, and the gripper 14 is mounted on the Z-axis cylinder 13.

[0073] The testing mechanism includes a clamp advance / retract cylinder 15, a test needle lifting cylinder 16, a test clamp 17, a test needle holder 18, a first test needle 19, a second test needle 20, a third test needle 21, a fourth test needle 22, and a test needle plate 23. The cylinder of the clamp advance / retract cylinder 15 and the test needle holder 18 are both mounted on the worktable. The piston rod of the clamp advance / retract cylinder 15 is connected to the test clamp 17. The cylinder of the test needle lifting cylinder 16 is mounted on the test needle holder 18. The piston rod of the test needle lifting cylinder 16 is connected to the test needle plate 23. The first test needle 19 and the second test needle 20 are both fixed on the test needle holder 18, and the third test needle 21 and the fourth test needle 22 are both fixed on the test needle plate 23.

[0074] The X-axis slide 10 is equipped with an X-axis origin position sensor SQ1, the Y-axis slide 11 is equipped with a Y-axis origin position sensor SQ2, the Z-axis cylinder 13 is equipped with a gripper rising position sensor SQ3 and a gripper falling position sensor SQ4, the clamp advancing and retreating cylinder 15 is equipped with a clamp retreating position sensor SQ5 and a clamp advancing position sensor SQ6, and the test needle lifting cylinder 16 is equipped with a test needle rising position sensor SQ7 and a test needle falling position sensor SQ8.

[0075] The electrical control section includes an adjustable AC constant current source IT, a current converter BI, a first resistor R1, a current limiting resistor RL, an X-axis motor driver QDX, an X-axis motor MX, a Y-axis motor driver QDY, a Y-axis motor MY, a programmable logic controller (PLC), and a human-machine interface (HMI) MT. The first connecting block 9 slides on the X-axis slide table 10 driven by the X-axis motor MX. The X-axis motor MX is connected to the X-axis motor driver QDX, and the X-axis motor MX and X-axis motor driver QDX constitute an X-axis position motion control unit. The second connecting block 12 slides on the Y-axis slide table 11 driven by the Y-axis motor MY. The Y-axis motor MY is connected to the Y-axis motor driver QDY, and the Y-axis motor MY and Y-axis motor driver QDY constitute a Y-axis position motion control unit. The current limiting resistor RL is connected to the adjustable AC constant current source IT. The adjustable AC constant current source IT, the current converter BI, the first resistor R1, the X-axis motor driver QDX, the Y-axis motor driver QDY, and the HMI MT are all connected to the programmable logic controller (PLC).

[0076] The programmable logic controller (PLC) includes a central processing unit (CPU), an input interface (IN), an output interface (OUT), a serial communication interface (RS232), a digital-to-analog (DA) module, and an analog-to-digital (AD) module. An adjustable AC constant current source (IT) is connected to the DA module, a current converter (BI) is connected to the AD module, a first resistor (R1) is connected to the input interface (IN), the X-axis motor driver (QDX) and the Y-axis motor driver (QDY) are both connected to the output interface (OUT), the human-machine interface (MT) is connected to the RS232 serial communication interface, and the input interface (IN), output interface (OUT), serial communication interface (RS232), DA module, and AD module are all connected to the CPU.

[0077] An adjustable AC constant current source IT, a hammer starter QL, and a current-limiting resistor RL constitute a coil circuit. This coil current regulation circuit provides an adjustable excitation current for the drive coil 5 of the hammer starter QL. The magnetic field generated by the drive coil 5 causes the internal armature 6 to move, realizing the connection and disconnection of the circuit between the stationary contact 7 and the moving contact 8. The connection method is as follows: the power input terminals V1 and V2 of the adjustable AC constant current source IT are connected to the L and N terminals of the mains power, respectively. The output terminal V3 of the adjustable AC constant current source IT is connected to the first pin 1 of the hammer starter QL. The connected wire passes through the sensing hole of the current converter BI. The third pin 3 of the hammer starter QL is connected to one end of the current-limiting resistor RL. The other end of the current-limiting resistor RL is connected to the output terminal V4 of the adjustable AC constant current source IT.

[0078] The first resistor R1, the hammer starter QL, and the input interface IN constitute a contact continuity detection circuit. The connection method is as follows: the DC power supply V+ terminal is connected to one end of the first resistor R1, the other end of the first resistor R1 is connected to pin 2 of the hammer starter QL, and pin 4 of the hammer starter QL is connected to the DC power supply V- terminal to form a circuit. The connection point between the first resistor R1 and pin 2 of the hammer starter QL in the circuit is connected to the X0 terminal of the input interface IN. The continuity detection signal between the stationary contact 7 and the moving contact 8 of the hammer starter QL is input to the programmable logic controller (PLC) through the X0 terminal of the input interface IN.

[0079] The central processing unit (CPU) inside the programmable logic controller (PLC) is the core control component of the measurement and control system. Its working principle is to receive input signals from the input interface IN and the analog-to-digital converter (AD), and perform logic control and data processing according to the software design requirements. Based on the processing results, it outputs corresponding control signals on the output interface OUT and the analog-to-digital converter (DA) to realize the control of various functions. The serial communication interface RS232 realizes bidirectional communication with the human-machine interface (MT) through the data line. Function execution, parameter setting, and data display can be realized on the MT.

[0080] The connection method between the programmable logic controller (PLC) and peripheral devices is as follows:

[0081] The + and - terminals of the digital-to-analog converter DA are connected to the U+ and U- terminals of the adjustable AC constant current source IT, respectively. The DC voltage at the U+ and U- terminals of the adjustable AC constant current source IT is directly proportional to the current in the coil circuit output from the V3 and V4 terminals of the adjustable AC constant current source IT.

[0082] The U+ and U- terminals of the current converter BI are connected to the + and - terminals of the analog-to-digital converter AD, respectively. The magnitude of the current in the coil circuit is directly proportional to the magnitude of the DC voltage between the U+ and U- terminals of the current converter BI.

[0083] The input interface IN receives switch signals from external sources. Its function and connection method are as follows:

[0084] The X0 terminal is the QL contact on / off detection signal terminal of the hammer starter, which is connected to the contact on / off detection circuit.

[0085] X1 is the measurement and control start signal terminal, which is connected to the start button SB0 on ​​the workbench.

[0086] The X2 terminal is the measurement and control stop signal terminal, and the stop button SB1 is connected to the workbench surface.

[0087] The X3 end is the X-axis origin position signal end, which is connected to the X-axis origin position sensor SQ1 installed on the X-axis slide 10.

[0088] The X4 end is the Y-axis origin position signal end, which is connected to the Y-axis origin position sensor SQ2 installed on the Y-axis slide 11.

[0089] The X5 end is the upward position signal end of the pneumatic gripper 14, which is connected to the upward position sensor SQ3 of the pneumatic gripper installed on the Z-axis cylinder 13.

[0090] The X6 end is the downward position signal end of the pneumatic gripper 14, which is connected to the downward position sensor SQ4 of the pneumatic gripper installed on the Z-axis cylinder 13.

[0091] The X7 terminal is the signal terminal for the backward position of the test fixture 17, which is connected to the backward position sensor SQ5 installed on the fixture advance / retreat cylinder 15.

[0092] The X8 terminal is the forward position signal terminal of the test fixture 17, which is connected to the fixture forward position sensor SQ6 installed on the fixture forward / reverse cylinder 15.

[0093] The X9 terminal is the signal terminal for the rising position of the third test pin 21 and the fourth test pin 22, and is connected to the test pin rising position sensor SQ7 installed on the test pin lifting cylinder 16.

[0094] The XA terminal is the descent position signal terminal for the third test pin 21 and the fourth test pin 22, and is connected to the test pin descent position sensor SQ8 installed on the test pin lifting cylinder 16.

[0095] The COM terminal is the common input signal terminal, which is connected to the V+ terminal of the DC power supply.

[0096] The output interface OUT outputs a switch signal to control the corresponding action. Its control function is as follows:

[0097] The Y0 terminal is the X-axis pulse control signal output terminal, and its pulse frequency controls the speed of the X-axis motor MX.

[0098] Y1 is the X-axis direction control signal output terminal, and the on / off state of its signal controls the rotation direction of the X-axis motor MX.

[0099] Y2 is the output terminal for the Y-axis pulse control signal, and its pulse frequency controls the speed of the Y-axis motor MY.

[0100] Y3 is the output terminal for the Y-axis direction control signal. The on / off state of the signal controls the rotation direction of the Y-axis motor MY.

[0101] Y4 is the output terminal for the lifting and lowering control signal of the pneumatic gripper 14, which controls the raising and lowering of the Z-axis cylinder 13.

[0102] Y5 is the output terminal for the control signal of the opening and closing action of the pneumatic gripper 14, which controls the opening and closing of the pneumatic gripper 14.

[0103] Y6 is the output terminal for the forward and backward movement control signal of the test fixture 17, which controls the forward and backward movement of the fixture cylinder 15.

[0104] Y7 is the output terminal for the up-and-down movement control signal of the third test needle 21 and the fourth test needle 22, which controls the rise and fall of the test needle lifting cylinder 16.

[0105] The - terminal of the output interface OUT is connected to the V- terminal of the DC power supply.

[0106] The Y0 and Y1 terminals of the output interface OUT are connected to the PUL and SIG terminals of the X-axis motor driver QDX, respectively. The motor line interface UVW and encoder line interface BM of the X-axis motor driver QDX are connected to the X-axis motor MX, respectively. The motor shaft of the X-axis motor MX is connected to the lead screw on the X-axis slide 10 through a coupling. The rotation of the lead screw realizes the linear motion control of the first connecting block 9 in the X-axis direction.

[0107] The Y2 and Y3 terminals of the output interface OUT are connected to the PUL and SIG terminals of the Y-axis motor driver QDY, respectively. The motor line interface UVW and encoder line interface BM of the Y-axis motor driver QDY are connected to the Y-axis motor MY, respectively. The motor shaft of the Y-axis motor MY is connected to the lead screw on the Y-axis slide 11 through a coupling. The rotation of the lead screw realizes the linear motion control of the second connecting block 12 in the Y-axis direction.

[0108] The positive terminals of the X-axis motor driver QDX and the Y-axis motor driver QDY are connected to the V+ terminal of the DC power supply.

[0109] The RS232 serial communication interface is connected to the central processing unit (CPU). The RS232 serial communication interface is connected to the human-machine interface (MT) via a data line. The MT communicates bidirectionally with the CPU through the RS232 serial communication interface.

[0110] The workbench is equipped with a test area, a testing area, and an unloading area. All three areas work in conjunction with the conveying mechanism. The test area is used to place the hammer starter QL to be tested. The testing mechanism is located in the testing area, and the parameters of the hammer starter QL are tested through the testing mechanism. The unloading area is used to place the tested hammer starter QL. The unloading area includes 5 unloading positions: unloading position for qualified products, unloading position for products with unqualified pull-in current, unloading position for products with unqualified pull-in contact vibration, unloading position for products with unqualified release current, and unloading position for products with unqualified release contact vibration.

[0111] Before testing the technical parameters of the counterweight starter QL, the specified parameters are set on the human-machine interface (MT) according to the measurement and control technical requirements. These include position setting parameters related to the operation of the conveyor mechanism and test setting parameters related to data testing, as detailed below:

[0112] The position setting parameters include the material pick-up position parameters in the test area in S3, the material release and pick-up position parameters in the test area in S4 and S8, and the material unloading position parameters in the unloading area in S9, such as... Figure 10 As shown, the arrangement of the test area, the testing area, and the unloading area is as follows: Figure 9 As shown.

[0113] The method for setting the material taking position parameters in the test area is as follows: First, set the X-axis position of the #1 hammer starter QL to 20.15mm, the Y-axis position to 122.3mm, the X-axis step distance (the running data of moving one product in the X-axis direction) to 30mm, and the Y-axis step distance (the running data of moving one product in the Y-axis direction) to 20mm.

[0114] The central processing unit (CPU) calculates the X-axis and Y-axis position data of a product based on the number of steps that a product differs from the #1 counterweight starter QL in the X-axis direction. For example, if the #12 counterweight starter QL differs from the #1 starter by 1 step in the X-axis direction, its X-axis position data is 20.15 + 30 = 50.15 mm. If it differs from the #1 counterweight starter QL by 2 steps in the Y-axis direction, its Y-axis position data is 122.3 + 20 × 2 = 162.3 mm. Using the same method, the position of any product in the material box can be calculated. Similarly, the unloading position parameters of the unloading area are set as follows: first, set the X-axis position of the qualified product unloading position to 25 mm, the Y-axis position to 65.5 mm, the X-axis step distance (the running data of moving one unloading distance in the X-axis direction) to 50 mm, and the Y-axis step distance (the running data of moving one unloading distance in the Y-axis direction) to 0 mm.

[0115] The CPU calculates the X-axis and Y-axis position data of the unloading position for a certain type of defective product based on the number of steps between the unloading position of the defective product and the unloading position of the qualified product in the X-axis and Y-axis directions. For example, if the unloading position of the defective product with the discharge current differs from the unloading position of the qualified product by 2 steps in the X-axis direction, then its X-axis position data is: 25 + 50 × 2 = 125 mm. There is no step in the Y-axis direction, so it is the same as the unloading position of the qualified product, which is 65.5 mm. In the test area, the material is placed and picked up at the same position, so the X-axis position can be directly set to 304.5 mm and the Y-axis position can be set to 211.6 mm.

[0116] The test settings include the starting current I. S Minimum pull-in current I Pmin Maximum pull-in current I Pmax Maximum release current I Dmax Minimum release current I Dmin Flutter monitoring time T V Acceleration rate R U Deceleration rate R D ,like Figure 11 As shown.

[0117] The initial current I S Set to 3.00A, minimum pull-in current I Pmin Set to 5.10A, maximum pull-in current I Pmax Set to 5.50A, maximum release current I Dmax Set to 5.00A, minimum release current I Dmin Set to 4.60A, jitter monitoring time T V Set to 1 second, acceleration rate R U Set to 1.00 A / s, deceleration rate R D Set to 1.00 A / S.

[0118] A measurement and control method for a technical parameter measurement and control system of a counterweight starter (QL). This system is used to test the pull-in current, pull-in contact chatter, release current, and release contact chatter of the counterweight starter (QL). The measurement and control method is as follows:

[0119] S1. Place the material box filled with the hammer starter QL to be tested into the designated test area, and press the start button SB0 on ​​the workbench.

[0120] S2. The conveying mechanism of the mechanical part performs the origin reset action: The central processing unit (CPU) outputs the origin reset control command. The X-axis position motion control unit drives the first connecting block 9 on the X-axis slide 10 to move towards the origin through the coupling. After the X3 terminal of the input interface IN receives the origin position signal input by the X-axis origin position sensor SQ1, the X-axis origin reset ends. Similarly, the Y-axis position motion control unit drives the second connecting block 12 on the Y-axis slide 11 to move towards the origin through the coupling. After the X4 terminal of the input interface IN receives the origin position signal input by the Y-axis origin position sensor SQ2, the Y-axis origin reset ends.

[0121] S3. The conveying mechanism of the mechanical part performs the material picking action in the test area: The central processing unit (CPU) calculates the position parameters of the #1 test hammer starter QL according to the set material picking position parameters of the test area and outputs corresponding control commands. The X-axis position motion control unit and the Y-axis position motion control unit work together to control the first connecting block 9 on the X-axis slide 10 and the second connecting block 12 on the Y-axis slide 11 to move to the material picking position of the #1 test hammer starter QL. The Y4 terminal of the output interface OUT is turned on, controlling the Z-axis cylinder 13 to descend. The X6 terminal of the input interface IN receives the signal input by the gripper descent position sensor SQ4, indicating that the gripper 14 has descended to the correct position. The Y5 terminal of the output interface OUT is turned on, controlling the gripper 14 to close and clamp the #1 test hammer starter QL. Then the Y4 terminal of the output interface OUT is turned off, controlling the Z-axis cylinder 13 to rise. The X5 terminal of the input interface IN receives the signal input by the gripper rise position sensor SQ3, indicating that the gripper 14 has risen to the correct position.

[0122] In S3, the X-axis parameter of position QL of the #1 counterweight starter is set to 20.15mm, and the Y-axis parameter is set to 122.3mm. The central processing unit (CPU) calculates the position parameters of QL based on these parameters and outputs speed and direction control signals from Y0 to Y3 of the output interface OUT. The X-axis and Y-axis position motion control units then work together to move the X-axis slide 10 and Y-axis slide 11 to the material-picking position of QL. When the Y4 terminal of OUT is turned on, the Z-axis cylinder 13 is controlled to descend. The X6 terminal of the IN input interface receives a signal from the gripper descent position sensor SQ4, indicating that the gripper 14 has descended to the correct position. When the Y5 terminal of the OUT output interface is turned on, the gripper 14 is controlled to close, clamping the #1 test hammer starter QL. Then, when the Y4 terminal of the OUT output interface is turned off, the Z-axis cylinder 13 is controlled to rise. The X5 terminal of the IN input interface receives a signal from the gripper rise position sensor SQ3, indicating that the gripper 14 has risen to the correct position.

[0123] S4. The conveying mechanism of the mechanical part performs the material release action in the test area: The central processing unit (CPU) calculates the material release position parameters of the test area according to the settings and outputs corresponding control commands. The X-axis position motion control unit and the Y-axis position motion control unit work together to control the first connecting block 9 on the X-axis slide 10 and the second connecting block 12 on the Y-axis slide 11 to move to the material release position in the test area. The Y4 terminal of the output interface OUT is turned on, controlling the Z-axis cylinder 13 to descend. The X6 terminal of the input interface IN receives the signal input by the gripper descent position sensor SQ4, indicating that the gripper 14 has descended to the correct position. The Y5 terminal of the output interface OUT is turned off, controlling the gripper 14 to open and placing the #1 test hammer type starter QL into the test fixture 17. Then the Y4 terminal of the output interface OUT is turned off, controlling the Z-axis cylinder 13 to rise. The X5 terminal of the input interface IN receives the signal input by the gripper rise position sensor SQ3, indicating that the gripper 14 has risen to the correct position.

[0124] In S4, the X-axis parameter of the material feeding position in the test area is set to 304.5mm, and the Y-axis parameter is set to 211.6mm. After the central processing unit (CPU) calculates the material feeding position parameters of the test area according to the set parameters, it outputs speed and direction control signals at the Y0 to Y3 terminals of the output interface OUT. The X-axis position motion control unit and the Y-axis position motion control unit control the X-axis slide 10 and the Y-axis slide 11 to move to the material feeding position in the test area. The Y4 terminal of the output interface OUT is turned on, controlling the Z-axis cylinder 13 to descend. The X6 terminal of the input interface IN receives the signal input by the gripper descent position sensor SQ4, indicating that the gripper 14 has descended to the correct position. The Y5 terminal of the output interface OUT is turned off, controlling the gripper 14 to open and placing the #1 test hammer starter QL into the test fixture 17. Then the Y4 terminal of the output interface OUT is turned off, controlling the Z-axis cylinder 13 to rise. The X5 terminal of the input interface IN receives the signal input by the gripper rise position sensor SQ3, indicating that the gripper 14 has risen to the correct position.

[0125] S5. The mechanical testing mechanism performs the test connection action: the Y6 terminal of the output interface OUT is turned on, controlling the clamp advance and retraction cylinder 15 to move. The X8 terminal of the input interface IN receives the signal input by the clamp advance position sensor SQ6, indicating that the test clamp 17, on which the #1 hammer starter QL is placed, has advanced to the correct position. At this time, the first test pin 19 and the second test pin 20 installed on the test pin holder 18 are respectively inserted into the first pin 1 and the second pin 2 of the #1 hammer starter QL. The Y7 terminal of the output interface OUT is turned on, controlling the test pin lifting cylinder 16 to descend. The XA terminal of the input interface IN receives the signal input by the test pin descent position sensor SQ8, indicating that the third test pin 21 and the fourth test pin 22 have been connected to the third pin 3 and the fourth pin 4 of the #1 hammer starter QL.

[0126] S6. Automatic test program for the electrical control section: During the test, the central processing unit (CPU) outputs digital control signals according to the test program requirements. The digital signal is converted into an analog signal by the analog-to-digital converter (DA) and output at the + / - terminal of the DA. The current in the coil circuit is adjusted in real time through the U+ / U- terminal of the adjustable AC constant current source (IT). The current converter (BI) detects the current in the coil circuit in real time and outputs an analog signal from the U+ / U- terminal of the current converter (BI). After being input through the + / - terminal of the analog-to-digital converter (AD), the analog signal is converted into a digital signal and sent to the CPU for comparison and processing. The CPU then adjusts the current in the coil circuit in real time according to the data deviation, so that the current regulation of the coil circuit can achieve closed-loop control.

[0127] S61. Pull-in current test, as follows: First adjust the current in the coil circuit to the set starting current I. S Then press the set acceleration rate R. U The current in the coil circuit is increased at a constant rate to the maximum pull-in current I. Pmax If the signal at the X0 terminal of the input interface IN changes from low to high during the current boosting process, it indicates that the stationary contact 7 and the moving contact 8 inside the #1 counterweight starter QL have been connected. The central processing unit (CPU) converts the real-time current I signal input from the analog-to-digital converter (AD) and records it as the measured pull-in current I of the #1 counterweight starter QL. P At this time, the central processing unit (CPU) will measure the pull-in current I. P With the maximum pull-in current I Pmax and minimum pull-in current I Pmin Compare and judge, if the measured pull-in current I P Less than the minimum pull-in current I Pmin Or adjust the current in the coil circuit to the maximum pull-in current I. Pmax If the stationary contact 7 and the moving contact 8 are still not connected, it is determined that the pull-in current is unqualified and the test is terminated; otherwise, it is determined that the pull-in current is qualified and the test continues.

[0128] The test interface in S61 is shown below. Figure 12 As shown, according to the set test parameters, the starting current I of the coil circuit is first adjusted through current closed-loop control. S Set to 3.00A, then increase the speed R at a rate of 1.00A / s. U The current in the coil circuit is increased at a constant rate. When the current reaches 5.20A, the signal at the X0 terminal of the input interface IN changes from low to high. The central processing unit (CPU) determines that the stationary contact 7 and the moving contact 8 inside the #1 hammer starter QL are connected, and records the current at this time as the measured pull-in current I. P That is, 5.20A, because 5.10AI Pmin <5.20AI P <5.50AIPmax Therefore, the pull-in current is deemed acceptable, and the test continues.

[0129] S62. Contact bounce test, as follows: The current in the coil circuit continues to rise to the maximum pull-in current I. Pmax Then, during the set vibration monitoring time (T) V The test checks whether the X0 terminal signal of the IN input interface is always kept at a high level (i.e., the stationary contact 7 and the moving contact 8 are always connected). If a low level signal appears during this period (i.e., the stationary contact 7 and the moving contact 8 are disconnected), it is judged that the contact vibration is unqualified and the test is terminated. Otherwise, it is judged that the contact vibration is qualified and the test continues.

[0130] The current in the coil circuit of S62 continues to rise to the maximum pull-in current I. Pmax During the 1-second jitter monitoring time (T) V The test checks whether the X0 terminal signal of the internal detection input interface IN is always kept at a high level (i.e., the stationary contact 7 and the moving contact 8 are always connected). In this embodiment, no low level signal appears (i.e., there is a situation where the stationary contact 7 and the moving contact 8 are disconnected), so it is judged that the contact vibration is qualified and the test continues.

[0131] S63. Release current test, details are as follows: According to the set deceleration rate (R... D The current in the coil circuit is reduced at a constant rate to the minimum release current I. Dmin If the signal at the X0 terminal of the input interface IN changes from high to low during the current reduction process, it indicates that the stationary contact 7 and the moving contact 8 inside the #1 counterweight starter QL have been disconnected. The central processing unit (CPU) converts the real-time current I signal input from the analog-to-digital converter (AD) and records it as the measured release current I of the #1 counterweight starter QL. D At this time, the central processing unit (CPU) will release the measured current I. D With minimum release current I Dmin and maximum release current I Dmax Compare and judge, if the measured release current I D Greater than the maximum release current I Dmax Or adjust the current in the coil circuit to the minimum release current I. Dmin If the stationary contact 7 and the moving contact 8 remain open, the release current is deemed unqualified and the test is terminated; otherwise, the release current is deemed qualified and the test continues.

[0132] S63 has a deceleration rate R of 1.00 A / s. DThe current in the coil circuit decreases at a constant rate. When the current in the coil circuit drops to 4.90A, the signal at the X0 terminal of the input interface IN changes from high level to low level. The central processing unit (CPU) determines that the stationary contact 7 and the moving contact 8 inside the #1 hammer starter QL have been disconnected, and records the current at this time as the measured release current I. D That is, 4.90A, because 5.00AI Dmax >4.90AI D <4.60AI Dmin Therefore, the discharge current is deemed acceptable, and the test continues.

[0133] S64. Release contact chatter test, as follows: The current in the coil circuit continues to decrease to the minimum release current I. Dmin During the set vibration monitoring time (T) V The test checks whether the X0 terminal signal of the IN input interface remains at a low level (i.e., the stationary contact 7 and the moving contact 8 are always disconnected). If a high-level signal appears during this period (i.e., the stationary contact 7 and the moving contact 8 are connected), it is determined that the release contact vibration is unqualified and the test is terminated. Otherwise, it is determined that the release contact vibration is qualified, that is, all technical parameters of the 1# hammer starter QL have passed the test, and the test cycle of one product is completed.

[0134] The current in the coil circuit of S64 continues to decrease to the minimum release current I. Dmin During the 1-second jitter monitoring time (T) V The signal at the X0 terminal of the input interface IN is always kept at a low level (i.e., stationary contact 7 and moving contact 8 are always disconnected). No high level signal appears (i.e., stationary contact 7 and moving contact 8 are connected). Therefore, it is determined that the contact vibration is qualified. Thus, the tested contact current, contact vibration, release current, and release vibration are all qualified. Therefore, the test results of the #1 hammer starter QL are qualified.

[0135] During the test, if I P <5.10A or I P If the current is greater than 5.50A, the pull-in current is considered unqualified, and the test is terminated. If, when the current in the coil circuit is 5.50A, the signal at the X0 terminal of the input interface IN is low within 1 second (i.e., the stationary contact 7 and the moving contact 8 are disconnected), the pull-in jitter is considered unqualified, and the test is terminated. If I D <4.60A or I D If the current is greater than 5.00A, the release current is deemed unqualified and the test is terminated. If the current in the coil circuit is 4.60A, and there is a high-level signal at the X0 terminal of the input interface (IN) within 1 second (i.e., the stationary contact 7 and the moving contact 8 are connected), the release vibration is deemed unqualified.

[0136] S7. The mechanical testing mechanism performs a test disconnection action: the Y7 terminal of the output interface OUT is turned off, controlling the test needle lifting cylinder 16 to rise. The X9 terminal of the input interface IN receives a signal input from the test needle rising position sensor SQ7, indicating that the third test needle 21 and the fourth test needle 22 have been disconnected from the third pin 3 and the fourth pin 4 of the #1 counterweight starter QL. The Y6 terminal of the output interface OUT is turned off, controlling the clamp advance and retreat cylinder 15 to retreat. The X7 terminal of the input interface IN receives a signal input from the clamp retreat position sensor SQ5, indicating that the test clamp 17 has retreated to the material pick-up position in the test area. The first pin 1 and the second pin 2 of the #1 counterweight starter QL, which have completed the test, are disconnected from the first test needle 19 and the second test needle 20 on the test needle holder 18.

[0137] S8. The conveying mechanism of the mechanical part performs the material picking action in the test area: The central processing unit (CPU) calculates the material picking position parameters of the test area according to the settings and outputs corresponding control commands. The X-axis position motion control unit and the Y-axis position motion control unit work together to control the first connecting block 9 on the X-axis slide 10 and the second connecting block 12 on the Y-axis slide 11 to move to the material picking position in the test area. The Y4 terminal of the output interface OUT is turned on, controlling the Z-axis cylinder 13 to descend. The X6 terminal of the input interface IN receives the signal input by the gripper descent position sensor SQ4, indicating that the gripper 14 has descended to the correct position. The Y5 terminal of the output interface OUT is turned on, controlling the gripper 14 to close and clamp the #1 tested counterweight starter QL. Then the Y4 terminal of the output interface OUT is turned off, controlling the Z-axis cylinder 13 to rise. The X5 terminal of the input interface IN receives the signal input by the gripper rise position sensor SQ3, indicating that the gripper 14 has risen to the correct position.

[0138] In S8, the X-axis parameter of the material picking position in the test area is set to 304.5mm, and the Y-axis parameter is set to 211.6mm. After the central processing unit (CPU) calculates the material picking position parameters in the test area, it outputs speed and direction control signals from the Y0 to Y3 terminals of the output interface OUT. The X-axis position motion control unit and the Y-axis position motion control unit then work together to control the X-axis slide 10 and the Y-axis slide 11 to move to the material picking position in the test area. The Y4 terminal of the output interface OUT is turned on, controlling the Z-axis cylinder 13 to descend. The X6 terminal of the input interface IN receives the signal input from the gripper descent position sensor SQ4, indicating that the gripper 14 has descended to the correct position. The Y5 terminal of the output interface OUT is turned on, controlling the gripper 14 to close and clamp the #1 measured counterweight starter QL. Then, the Y4 terminal of the output interface OUT is turned off, controlling the Z-axis cylinder 13 to rise. The X5 terminal of the input interface IN receives the signal input from the gripper rise position sensor SQ3, indicating that the gripper 14 has risen to the correct position.

[0139] S9. The conveying mechanism of the mechanical part performs the unloading action in the unloading area: The central processing unit (CPU) calculates the test results and the unloading area position setting parameters and outputs corresponding control commands. The X-axis position motion control unit and the Y-axis position motion control unit work together to control the first connecting block 9 on the X-axis slide 10 and the second connecting block 12 on the Y-axis slide 11 to move to the unloading position corresponding to the test results. The Y5 terminal of the output interface OUT is turned off, and the pneumatic gripper 14 is controlled to open, so that the #1 tested weighted starter QL is placed in the corresponding unloading position.

[0140] In S9, if the test result is qualified, the X-axis parameter of the unloading position is 25mm and the Y-axis parameter is 65.5mm; if the test result is unqualified in terms of pull-in current, the X-axis parameter of the unloading position is 25+50=75mm and the Y-axis parameter is 65.5+0=65.5mm; if the test result is unqualified in terms of pull-in contact vibration, the X-axis parameter of the unloading position is 25+50×2=125mm and the Y-axis parameter is 65.5+0=65.5mm; if the test result is unqualified in terms of test result ...

[0141] The central processing unit (CPU) calculates the unloading position parameters corresponding to the test results and outputs speed and direction control signals at the Y0 and Y3 terminals of the output interface OUT. The X-axis position motion control unit and the Y-axis position motion control unit then work together to control the X-axis slide 10 and the Y-axis slide 11 to move to the unloading position corresponding to the test results. The Y5 terminal of the output interface OUT is then turned off, controlling the pneumatic gripper 14 to open and placing the #1 tested counterweight starter QL into the corresponding unloading position.

[0142] In S3, S4, and S5 above, "1# counterweight starter QL under test" indicates the first counterweight starter QL before testing. In S61, S63, S64, and S7, "1# counterweight starter QL" indicates the first counterweight starter QL during testing. In S8 and S9, "1# tested counterweight starter QL" indicates the first counterweight starter QL after testing, which are actually different states of the same "counterweight starter QL".

[0143] S3-S9 is the test and control cycle of the #1 counterweight starter QL. After the test and control process is completed, the central processing unit (CPU) will control the conveyor to return to the test area and continue the test of the technical parameters of the #2 counterweight starter QL according to the S3-S9 test and control cycle until the product test of the entire material box is completed. This process is repeated to test the #2 counterweight starter QL.

[0144] S3-S9 is the measurement and control cycle for the #1 counterweight starter QL. After the measurement and control process is completed, the central processing unit (CPU) will control the conveyor mechanism to return to the position of the #2 counterweight starter QL in the test area. The X-axis parameter of its position is 20.15+30=50.15mm, and the Y-axis parameter is 122.30+0=122.30mm. The test of the technical parameters of the #2 counterweight starter QL will continue according to the measurement and control cycle of S3-S9 until the product test of the entire material box is completed.

[0145] If a stop is required due to special circumstances during the measurement and control process, the stop button SB1 on the workbench can be pressed to bring the measurement and control process to an emergency stop.

[0146] The material box in the test area contains multiple counterweight starters QL, such as Figure 9 As shown, the hopper contains a total of 40 hammer starters QL. The first hammer starter QL can be represented as 1# hammer starter QL... the 40th hammer starter QL can be represented as 40# hammer starter QL, and so on. "..." represents hammer starters QL 2# to 39#. Here, only hammer starter QL 1# is used as an example. Hammer starters QL 2# to 40# are not listed one by one.

[0147] In the electrical control section, the adjustable AC constant current source IT is model ANJ11; the current converter BI is model WBI417S91; the input interface IN, output interface OUT, and serial communication interface RS232 are interfaces on the programmable controller (PLC), and are a single unit, model FPXH; the digital-to-analog (DA) and analog-to-digital (AD) plug-ins are plug-ins installed on the PLC, with DA model FPX-DA2 and AD model FPX-AD2; the human-machine interface MT is model MT6070iH; the X-axis motor driver QDX and the Y-axis motor driver QDY are model SV630P; the X-axis motor MX is model MS1H1; the Y-axis motor MY is model MS1H4; and the X-axis... The model of slide 10 is GSC50; the model of Y-axis slide 11 is YSO135; the model of Y-axis slide 11 is HLSL8; the model of gripper 14 is HFK10; the model of clamp advance / retreat cylinder 15 is ACQ20; the model of test probe lifting cylinder 16 is TN20; the model of start button SB0 and stop button SB1 is AS2204; the model of X-axis origin position sensor SQ1 and Y-axis origin position sensor SQ2 is FC-SPX3G3Z; the model of gripper rise position sensor SQ3, gripper fall position sensor SQ4, clamp retreat position sensor SQ5, clamp advance position sensor SQ6, test probe rise position sensor SQ7, and test probe fall position sensor SQ8 is CMSH-020.

[0148] Starting current I S The initial load current setting value for the coil circuit at the start of the test. This setting value must be less than the minimum pull-in current I. Pmin .

[0149] Minimum pull-in current I Pmin : Used for measuring the pull-in current value I P The lower limit setting for comparison judgment, if I P <I Pmin If the measured pull-in current value exceeds the lower limit, it is determined that the measured pull-in current value exceeds the lower limit.

[0150] Maximum pull-in current I Pmax : Used for measuring the pull-in current value I P The upper limit setting for comparison and judgment, if I P >I Pmax If the measured pull-in current value exceeds the upper limit, it is determined that the measured pull-in current value exceeds the upper limit.

[0151] Maximum release current I Dmax : Used for actual measurement of release current value I D The upper limit setting for comparison and judgment, if I D >I Dmax If the measured release current value exceeds the upper limit, it is determined that the actual release current value exceeds the upper limit.

[0152] Minimum release current I Dmin : Used for actual measurement of release current value I D The lower limit setting for comparison judgment, if I D <I Dmin If the measured release current value exceeds the lower limit, it is determined that the measured release current value exceeds the lower limit.

[0153] Flicker monitoring time T V Maximum pull-in current I in the coil circuit Pmax or minimum release current I Dmin The time setting value for monitoring contact vibration.

[0154] Acceleration rate R U The speed at which the coil circuit current rises during the pull-in current test is illustrated by taking the 1A / S setting in the embodiment as an example. If the current rise resolution is 0.01A / step, then the current rises in 1 second is 100 steps.

[0155] deceleration rate R D The rate at which the coil circuit current decreases during the release current test is illustrated using the example of 1A / S. If the resolution of the current decrease is 0.01A / step, then 100 steps will be decreased in 1 second.

[0156] The measurement and control system in this application uses one test station. In actual use, in order to improve testing efficiency, multiple test stations will be used. There is no limit to the number of test stations.

[0157] Furthermore, it should be noted that the specific embodiments described in this specification may differ in the shape and name of their components, etc. The above description is merely illustrative of the structure of the present invention. All equivalent or simple variations made based on the structure, features, and principles described in this patent concept are included within the protection scope of this patent. Those skilled in the art can make various modifications or additions to the described specific embodiments or use similar methods to substitute them, as long as they do not deviate from the structure of the present invention or exceed the scope defined by the claims, all of which should fall within the protection scope of this invention.

Claims

1. A technical parameter measurement and control system for a counterweight starter, comprising a mechanical part and an electrical control part, wherein the mechanical part is controlled by the electrical control part, and the mechanical part includes a conveying mechanism and a testing mechanism mounted on a workbench, characterized in that: The conveying mechanism includes a first connecting block (9), an X-axis slide (10), a Y-axis slide (11), a second connecting block (12), a Z-axis cylinder (13), and a gripper (14). The Y-axis slide (11) is mounted on the worktable, the second connecting block (12) is slidably mounted on the Y-axis slide (11), the X-axis slide (10) is mounted on the second connecting block (12), the first connecting block (9) is slidably mounted on the X-axis slide (10), the Z-axis cylinder (13) is mounted on the first connecting block (9), and the gripper (14) is mounted on the Z-axis cylinder (13). The testing mechanism includes a clamp advance / retract cylinder (15), a test needle lifting cylinder (16), a test clamp (17), a test needle holder (18), a first test needle (19), a second test needle (20), a third test needle (21), a fourth test needle (22), and a test needle plate (23). The cylinder of the clamp advance / retract cylinder (15) and the test needle holder (18) are both set on the workbench. The piston rod of the clamp advance / retract cylinder (15) is connected to the test clamp (17). The cylinder of the test needle lifting cylinder (16) is set on the test needle holder (18). The piston rod of the test needle lifting cylinder (16) is connected to the test needle plate (23). The first test needle (19) and the second test needle (20) are both fixed on the test needle holder (18). The third test needle (21) and the fourth test needle (22) are both fixed on the test needle plate (23). The X-axis slide (10) is equipped with an X-axis origin position sensor SQ1, the Y-axis slide (11) is equipped with a Y-axis origin position sensor SQ2, the Z-axis cylinder (13) is equipped with a gripper rising position sensor SQ3 and a gripper falling position sensor SQ4, the clamp advancing and retreating cylinder (15) is equipped with a clamp retreating position sensor SQ5 and a clamp advancing position sensor SQ6, and the test needle lifting cylinder (16) is equipped with a test needle rising position sensor SQ7 and a test needle falling position sensor SQ8. The electrical control section includes an adjustable AC constant current source IT, a current converter BI, a first resistor R1, a current limiting resistor RL, an X-axis motor driver QDX, an X-axis motor MX, a Y-axis motor driver QDY, a Y-axis motor MY, a programmable logic controller (PLC), and a human-machine interface (HMI) MT. The first connecting block (9) slides on the X-axis slide table (10) driven by the X-axis motor MX. The X-axis motor MX is connected to the X-axis motor driver QDX, and the X-axis motor MX and the X-axis motor driver QDX constitute an X-axis position motion control unit. The second connecting block (12) slides on the Y-axis slide table (11) driven by the Y-axis motor MY. The Y-axis motor MY is connected to the Y-axis motor driver QDY, and the Y-axis motor MY and the Y-axis motor driver QDY constitute a Y-axis position motion control unit. The current limiting resistor RL is connected to the adjustable AC constant current source IT. The adjustable AC constant current source IT, the current converter BI, the first resistor R1, the X-axis motor driver QDX, the Y-axis motor driver QDY, and the HMI MT are all connected to the programmable logic controller (PLC). The programmable logic controller (PLC) includes a central processing unit (CPU), an input interface (IN), an output interface (OUT), a serial communication interface (RS232), a digital-to-analog (DA) module, and an analog-to-digital (AD) module. The adjustable AC constant current source (IT) is connected to the DA module, the current converter (BI) is connected to the AD module, the first resistor (R1) is connected to the input interface (IN), the X-axis motor driver (QDX) and the Y-axis motor driver (QDY) are both connected to the output interface (OUT), the human-machine interface (MT) is connected to the RS232 serial communication interface, and the input interface (IN), output interface (OUT), serial communication interface (RS232), DA module, and AD module are all connected to the CPU. The adjustable AC constant current source IT, the hammer starter QL, and the current limiting resistor RL constitute the coil circuit. The first resistor R1, the hammer starter QL, and the input interface IN constitute a contact continuity detection circuit; The + and - terminals of the digital-to-analog plug-in DA are respectively connected to the U+ and U- terminals of the adjustable AC constant current source IT. The U+ and U- terminals of the current converter BI are respectively connected to the + and - terminals of the analog-to-digital converter AD; The serial communication interface RS232 is connected to the central processing unit (CPU). The serial communication interface RS232 is connected to the human-machine interface (MT) via a data line. The human-machine interface (MT) communicates bidirectionally with the CPU via the serial communication interface RS232. The workbench is equipped with a test area, a testing area, and a discharge area. All three areas cooperate with a conveying mechanism. The test area is used to place the hammer starter QL to be tested. The testing mechanism is located in the testing area and is used to test the parameters of the hammer starter QL. The discharge area is used to place the tested hammer starter QL and includes five discharge positions: a qualified product discharge position, a product with unqualified pull-in current, a product with unqualified pull-in contact vibration, a product with unqualified release current, and a product with unqualified release contact vibration.

2. A measurement and control method for the technical parameter measurement and control system of the counterweight starter as described in claim 1, characterized in that: The measurement and control method is as follows: S1. Place the material box filled with the hammer starter QL to be tested into the designated test area and press the start button SB0 on ​​the workbench. S2. The conveying mechanism of the mechanical part performs the origin reset action: The central processing unit (CPU) outputs the origin reset control command, and the X-axis position motion control unit drives the first connecting block (9) on the X-axis slide (10) to move towards the origin through the coupling. After the X3 end of the input interface IN receives the origin position signal input by the X-axis origin position sensor SQ1, the X-axis origin reset ends. Similarly, the Y-axis position motion control unit drives the second connecting block (12) on the Y-axis slide (11) to move towards the origin through the coupling. After the X4 end of the input interface IN receives the origin position signal input by the Y-axis origin position sensor SQ2, the Y-axis origin reset ends. S3. The conveying mechanism of the mechanical part performs the material picking action in the test area: The central processing unit (CPU) calculates the position parameters of the #1 test hammer starter QL according to the set material picking position parameters in the test area and outputs the corresponding control command. The X-axis position motion control unit and the Y-axis position motion control unit work together to control the first connecting block (9) on the X-axis slide (10) and the second connecting block (12) on the Y-axis slide (11) to move to the material picking position of the #1 test hammer starter QL. The Y4 terminal of the output interface OUT is turned on, and the control... When the Z-axis cylinder (13) descends, the X6 terminal of the input interface IN receives the signal input from the gripper descent position sensor SQ4, indicating that the gripper (14) has descended to the correct position. The Y5 terminal of the output interface OUT is turned on, controlling the gripper (14) to close and clamp the #1 test hammer type starter QL. Then the Y4 terminal of the output interface OUT is turned off, controlling the Z-axis cylinder (13) to rise. The X5 terminal of the input interface IN receives the signal input from the gripper rise position sensor SQ3, indicating that the gripper (14) has risen to the correct position. S4. The conveying mechanism of the mechanical part performs the test area feeding action: The central processing unit (CPU) calculates the test area feeding position parameters and outputs the corresponding control command. The X-axis position motion control unit and the Y-axis position motion control unit work together to control the first connecting block (9) on the X-axis slide (10) and the second connecting block (12) on the Y-axis slide (11) to move to the test area feeding position. The Y4 end of the output interface OUT is turned on, controlling the Z-axis cylinder (13) to descend. The X6 end of the input interface IN receives the signal input by the gripper descent position sensor SQ4, indicating that the gripper (14) has descended to the position. The Y5 end of the output interface OUT is turned off, controlling the gripper (14) to open and put the #1 test hammer type starter QL into the test fixture (17). Then the Y4 end of the output interface OUT is turned off, controlling the Z-axis cylinder (13) to rise. The X5 end of the input interface IN receives the signal input by the gripper rise position sensor SQ3, indicating that the gripper (14) has risen to the position. S5. The mechanical testing mechanism performs the test connection action: the Y6 end of the output interface OUT is connected, controlling the action of the clamp advance and retreat cylinder (15). The X8 end of the input interface IN receives the signal input by the clamp advance position sensor SQ6, indicating that the test clamp (17) with the 1# hammer starter QL under test has advanced to the position. At this time, the first test needle (19) and the second test needle (20) installed on the test needle holder (18) are respectively inserted into the first pin (1) and the second pin (2) of the 1# hammer starter QL under test. The Y7 end of the output interface OUT is connected, controlling the test needle lifting cylinder (16) to descend. The XA end of the input interface IN receives the signal input by the test needle descending position sensor SQ8, indicating that the third test needle (21) and the fourth test needle (22) have been connected to the third pin (3) and the fourth pin (4) of the 1# hammer starter QL under test. S6. The electronic control section runs an automatic test program: During the test, the central processing unit (CPU) outputs digital control signals according to the test program requirements. The digital signal is converted into an analog signal by the analog-to-digital converter (DA) and output at the + / - terminal of the DA. The current in the coil circuit is adjusted in real time through the U+ / U- terminal of the adjustable AC constant current source (IT). The current converter (BI) detects the current in the coil circuit in real time and outputs an analog signal from the U+ / U- terminal of the current converter (BI). After being input through the + / - terminal of the analog-to-digital converter (AD), the analog signal is converted into a digital signal and sent to the CPU for comparison and processing. The CPU then adjusts the current in the coil circuit in real time according to the data deviation, so that the current regulation of the coil circuit can achieve closed-loop control. S61. Pull-in current test, as follows: First adjust the current in the coil circuit to the set starting current I. S Then press the set acceleration rate R. U The current in the coil circuit is increased at a constant rate to the maximum pull-in current I. Pmax If the signal at the X0 terminal of the input interface IN changes from low to high during the current boosting process, it indicates that the stationary contact (7) and the moving contact (8) inside the #1 hammer starter QL have been connected. The central processing unit (CPU) converts the real-time current I signal input by the analog-to-digital converter (AD) into the measured pull-in current I of the #1 hammer starter QL. P At this time, the central processing unit (CPU) will measure the pull-in current I. P With the maximum pull-in current I Pmax and minimum pull-in current I Pmin Compare and judge, if the measured pull-in current I P Less than the minimum pull-in current I Pmin Or adjust the current in the coil circuit to the maximum pull-in current I. Pmax If the stationary contact (7) and the moving contact (8) are still not connected, it is judged that the pull-in current is not qualified and the test is terminated; otherwise, it is judged that the pull-in current is qualified and the test continues. S62. Contact bounce test, as follows: The current in the coil circuit continues to rise to the maximum pull-in current I. Pmax Then, during the set vibration monitoring time T V The test checks whether the X0 terminal signal of the internal detection input interface IN remains at a high level. If a low-level signal appears during this period, it is determined that the contact vibration is unqualified and the test is terminated. Otherwise, it is determined that the contact vibration is qualified and the test continues. S63. Release current test, details are as follows: According to the set deceleration rate R... D The current in the coil circuit is reduced at a constant rate to the minimum release current I. Dmin If the signal at the X0 terminal of the input interface IN changes from high level to low level during the current reduction process, it indicates that the stationary contact (7) and moving contact (8) inside the #1 hammer starter QL have been disconnected. The central processing unit (CPU) converts the real-time current I signal input by the analog-to-digital converter (AD) and records it as the measured release current I of the #1 hammer starter QL. D At this time, the central processing unit (CPU) will release the measured current I. D With minimum release current I Dmin and maximum release current I Dmax Compare and judge, if the measured release current I D Greater than the maximum release current I Dmax Or adjust the current in the coil circuit to the minimum release current I. Dmin If the stationary contact (7) and the moving contact (8) are still not disconnected, it is judged that the release current is not qualified and the test is terminated; otherwise, it is judged that the release current is qualified and the test continues. S64. Release contact chatter test, as follows: The current in the coil circuit continues to decrease to the minimum release current I. Dmin During the set vibration monitoring time T V The test checks whether the X0 terminal signal of the internal detection input interface IN remains at a low level. If a high-level signal appears during this period, the test is terminated because the release contact jitter is unqualified. Otherwise, the test is terminated because the release contact jitter is qualified. S7. The mechanical testing mechanism performs the test disconnection action: the Y7 end of the output interface OUT is turned off, the test needle lifting cylinder (16) is controlled to rise, the X9 end of the input interface IN receives the signal input by the test needle rising position sensor SQ7, indicating that the third test needle (21) and the fourth test needle (22) have been disconnected from the third pin (3) and the fourth pin (4) of the 1# hammer starter QL, the Y6 end of the output interface OUT is turned off, the clamp advance and retreat cylinder (15) is controlled to retreat, the X7 end of the input interface IN receives the signal input by the clamp retreat position sensor SQ5, indicating that the test clamp (17) has retreated to the material picking position in the test area, and the first pin (1) and the second pin (2) of the 1# hammer starter QL that have completed the test are disconnected from the first test needle (19) and the second test needle (20) on the test needle holder (18); S8. The conveying mechanism of the mechanical part performs the material picking action in the test area: The central processing unit (CPU) calculates the material picking position parameters of the test area and outputs the corresponding control command. The X-axis position motion control unit and the Y-axis position motion control unit work together to control the first connecting block (9) on the X-axis slide (10) and the second connecting block (12) on the Y-axis slide (11) to move to the material picking position in the test area. The Y4 end of the output interface OUT is turned on, controlling the Z-axis cylinder (13) to descend. The X6 end of the input interface IN receives the signal input by the gripper descent position sensor SQ4, indicating that the gripper (14) has descended to the position. The Y5 end of the output interface OUT is turned on, controlling the gripper (14) to close and clamp the #1 measured weighted starter QL. Then the Y4 end of the output interface OUT is turned off, controlling the Z-axis cylinder (13) to rise. The X5 end of the input interface IN receives the signal input by the gripper rise position sensor SQ3, indicating that the gripper (14) has risen to the position. S9. The conveying mechanism of the mechanical part performs the unloading action in the unloading area: The central processing unit (CPU) outputs corresponding control commands after calculation based on the test judgment results and the unloading area position setting parameters. The X-axis position motion control unit and the Y-axis position motion control unit work together to control the first connecting block (9) on the X-axis slide (10) and the second connecting block (12) on the Y-axis slide (11) to move to the unloading position corresponding to the test results. The Y5 end of the output interface OUT is turned off, and the pneumatic gripper (14) is opened to put the #1 tested weighted starter QL into the corresponding unloading position.

3. The measurement and control method of the counterweight starter technical parameter measurement and control system according to claim 2, characterized in that: Before testing the technical parameters of the counterweight starter QL, the specified parameters are set on the human-machine interface (MT) according to the measurement and control technical requirements. These include position setting parameters related to the conveyor mechanism's operation and test setting parameters related to data testing. Position setting parameters include the material pick-up position parameter in the test area (S3), the material release and pick-up position parameters in the test area (S4 and S8), and the material unloading position parameter in the unloading area (S9). Test setting parameters include the starting current I... S Minimum pull-in current I Pmin Maximum pull-in current I Pmax Maximum release current I Dmax Minimum release current I Dmin Flutter monitoring time T V Acceleration rate R U Deceleration rate R D .

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