Auxiliary debugging device for valve electric actuating mechanism

Abstract

The invention relates to the field of electrical appliances, in particular to a valve electric actuating mechanism auxiliary debugging device which comprises a mounting shell, a loop simulation part arranged in the mounting shell and a body simulation part arranged in the mounting shell. The loop simulation part is used for controlling the body simulation part, and interfaces of partial elements of the loop simulation part and the body simulation part penetrate through the mounting shell. According to the invention, the debugging of the valve electric actuating mechanism is simplified, the whole test does not need to be carried out in two places at the same time, and the problem processing effect of the valve electric actuating mechanism can be simplified.

Description

Technical Field

[0001] This application relates to the field of electrical appliances, and particularly to an auxiliary debugging device for a valve electric actuator. Background Art

[0002] A valve electric actuator is a device used to control the opening and closing of a valve. It is driven by an electric motor, which converts electrical energy into mechanical energy to achieve automatic control of the valve. When receiving a control signal, the control unit controls the rotation of the electric motor according to the signal instruction. The electric motor drives the valve actuator to move through a reduction mechanism, so that the valve is opened or closed. The position feedback device feeds back the actual position of the valve to the control unit to form a closed-loop control, ensuring that the valve accurately reaches the specified position. The valve electric actuator can achieve remote control and automatic control, improve production efficiency and operation safety, and achieve precise control of the valve through accurate position feedback and control algorithms. It is widely used in the petrochemical industry, the power industry, water treatment, the metallurgical industry, and other fields such as food, medicine, and papermaking.

[0003] In order to ensure the normal operation of the equipment, guarantee system safety, improve system efficiency, and meet the requirements of regulations and standards, before installing and using a valve electric actuator, careful debugging work must be carried out to ensure that the equipment can operate safely, reliably, and efficiently. During the debugging process of the valve electric actuator, the control loop and the electric actuator body need to be debugged separately and then tested as a whole. The control loop and the valve body are usually far apart, and the overall test needs to be carried out simultaneously at two places. During the process of dealing with abnormal problems of the valve electric actuator control, it is impossible to directly judge whether the fault location is in the control loop or the electric actuator body. It is necessary to measure whether multiple signals between the control loop and the valve electric actuator are abnormal to judge the fault location, and then deal with the fault. Summary of the Invention

[0004] In order to simplify the debugging of the valve electric actuator, make its overall test not require simultaneous operation at two places, and simplify the problem handling of the valve electric actuator, this application provides an auxiliary debugging device for a valve electric actuator.

[0005] An auxiliary debugging device for a valve electric actuator provided by this application adopts the following technical solution:

[0006] An auxiliary debugging device for a valve electric actuator includes: an installation housing, a loop simulation part arranged in the installation housing, and a body simulation part arranged in the installation housing;

[0007] The loop simulation part is used to control the body simulation part, and the interfaces of some components of the loop simulation part and the body simulation part all pass through the installation housing.

[0008] By adopting the above technical solution, the loop simulation unit and the body simulation unit are integrated in an installation housing, providing a centralized debugging environment for debuggers, improving the debugging efficiency. The interfaces are all arranged through the installation housing, which is convenient for operation. The loop simulation unit controls the body simulation unit, and can simulate various states and situations of the valve electric actuator in actual work, more accurately discover and solve problems during the debugging process, improve the accuracy of debugging, and is convenient for multiple repeated debuggings, reducing the risk of damage to actual equipment and lowering the maintenance cost; by simulating the control loop and the body of the valve electric actuator, the debugging of the valve electric actuator no longer needs to be carried out simultaneously in two places, and during the fault handling process, the fault location can be quickly judged by respectively simulating the control loop and the body of the valve electric actuator, saving manpower and time.

[0009] Preferably, the loop simulation unit includes a power supply interface, a first indicator light, a first terminal block, and a contactor;

[0010] Wherein, the power supply interface and the first terminal block both pass through the installation housing, and the power connection part of the power supply interface and the connection port of the terminal block are both located outside the installation housing. The light-emitting part of the first indicator light passes through the installation housing to display various signals, and the contactor is used to control the switch of the loop simulator.

[0011] By adopting the above technical solution, the power supply interface makes it more convenient to connect to an external power supply. The connection port of the first terminal block is outside the installation housing for connecting external lines, thus reducing the installation and debugging time. The light-emitting part of the first indicator light is located outside the installation housing, intuitively displaying various signals. For example, the power supply state, control signal state, fault state, etc. are represented by indicator lights of different colors. Debuggers and operators can quickly understand the working conditions of the valve electric actuator by observing the states of the indicator lights, improving the efficiency of fault diagnosis and elimination.

[0012] Preferably, the body simulation unit includes a second indicator light, a self-locking button, and a second terminal block;

[0013] The loop simulation unit is connected to the body simulation unit through the first terminal block and the second terminal block. The second indicator light is used to display the operating state of the body simulation unit, and the self-locking button is used to control the operation of the body simulation unit.

[0014] By adopting the above technical solution, the second indicator light of the body simulation unit can visually display the operating status of the body part, enabling debuggers and operators to quickly understand the current situation of the device, facilitating the timely discovery of problems and the adoption of corresponding measures; the self-locking button can be used to manually control the actions of the body simulation unit, such as starting, stopping, emergency stopping, etc. During the debugging process, the debugger can operate the self-locking button to simulate various working conditions and verify the performance and reliability of the valve electric actuator; if new function modules or devices need to be added, they can be connected through the terminal block without the need for large-scale modification of the entire system; during use, different control signals are sent through the control loop simulation unit to test the response speed, accuracy, and reliability of the body simulation unit.

[0015] Preferably, the loop simulation unit further includes a first self-locking button for controlling the body simulation unit;

[0016] The body simulation unit further includes a second self-locking button and a potentiometer. The first self-locking button controls the second self-locking button, and the second self-locking button is connected and cooperates with the potentiometer for device self-check.

[0017] By adopting the above technical solution, the operator can operate the first self-locking button at different positions to control the operation of the valve electric actuator, improving the flexibility and convenience of control. The second self-locking button of the body simulation unit works in cooperation with the potentiometer, providing more control means for device self-check. According to actual needs, different types of self-check operations can be carried out by operating the second self-locking button and adjusting the potentiometer to meet different detection requirements; the potentiometer provides more parameter adjustment and control options for the self-check process. By adjusting the potentiometer, different working conditions and input signals can be simulated, so as to conduct a more comprehensive detection of the performance of the valve electric actuator. The design of the self-locking button can effectively prevent misoperation and improve the safety of operation.

[0018] Preferably, the loop simulation unit includes a measurement port, and the signal port is arranged at the feedback signal input end. The measurement port is used to output the valve opening signal.

[0019] By adopting the above technical solution, the measurement port is arranged at the feedback signal input end, which can measure the valve opening signal in real time, enabling the control loop to accurately understand the current position of the valve and providing a basis for precise control. By continuously monitoring the valve opening, the control loop can timely adjust the output signal to ensure that the valve is adjusted according to the predetermined opening. The valve opening signal provided by the measurement port enables the control loop to achieve closed-loop control. Closed-loop control can automatically adjust the control signal according to the difference between the actual valve opening and the desired opening, making the valve gradually approach the target opening and reducing the error.

[0020] Preferably, the body simulation unit includes a phase sequence meter for indicating the states of various parts of the control loop.

[0021] By adopting the above technical solution, the phase sequence meter can accurately detect whether the phase sequence of the power supply is correct. The correct phase sequence is the key to ensuring its normal operation. If the phase sequence is incorrect, the motor may reverse or fail to start, thus affecting the normal operation of the valve. Through the indication of the phase sequence meter, the phase sequence problem can be detected and adjusted in time to ensure that the motor runs in the correct direction; an incorrect phase sequence may cause the motor to overheat, be damaged or even burned out. The phase sequence meter can detect the phase sequence before the motor starts, avoiding damage to the motor caused by an incorrect phase sequence, which helps to extend the service life of the motor and reduce the maintenance cost.

[0022] Preferably, a fuse is provided in the loop simulation unit. There are multiple fuses, and the multiple fuses are connected to the power supply interface.

[0023] By adopting the above technical solution, the fuse plays an overcurrent protection role in the circuit. When an overcurrent situation occurs in the circuit, the fuse will quickly blow and cut off the circuit to prevent damage to other components in the circuit caused by excessive current; the fuse and the contactor are used in cooperation. When a fault occurs in the circuit, the power supply can be quickly cut off to protect the contactor and other circuit components. When the contactor fails to disconnect normally, the fuse can play a backup protection role to prevent danger caused by continuous power supply in the circuit.

[0024] Preferably, the contactor includes a first contactor and a second contactor, and the fuse is arranged between the first contactor and the power supply interface.

[0025] By adopting the above technical solution, the presence of the fuse can protect the first contactor and the second contactor. Without the fuse, when a serious overcurrent occurs in the circuit, the contactor may be damaged because it cannot withstand the excessive current. The blowing of the fuse can cut off the circuit before the contactor is damaged, thus protecting the contactor.

[0026] Preferably, the second contactor is in a parallel relationship with the first indicator light, the second indicator light and the first contactor.

[0027] By adopting the above technical solution, the operation of the indicator light is not affected by the failure of the contactor. Even if the contactor fails, the indicator light can still normally display the state of the circuit, providing important information for the operator; the second contactor can independently control the circuit without interfering with the first contactor, enabling the system to be flexibly controlled according to different requirements, providing the system with multiple control mode options, and allowing the first contactor or the second contactor to be selected for control according to the actual situation, or both contactors can be used for collaborative control; when a fault occurs in the system, the fault point can be quickly located by checking the states of the respective contactors. Since the second contactor is connected in parallel with the first contactor and they are independent of each other, it is easier to determine which contactor has failed, which helps to improve the efficiency of fault diagnosis.

[0028] Preferably, the first terminal and the second terminal are connected by a single wire or a busbar.

[0029] By adopting the above technical solution, using a single wire to connect the first terminal and the second terminal is very convenient for installation and disassembly. During commissioning, maintenance, or component replacement, the wire can be quickly disconnected or connected, improving work efficiency; a busbar usually has multiple connection points, which can connect multiple first terminals and second terminals simultaneously, reducing the complexity of wiring. The busbar can also provide better electrical contact, reducing the contact resistance and improving the quality of signal transmission.

[0030] In summary, the present application includes at least one of the following beneficial technical effects:

[0031] 1. Integrating the loop simulation unit and the body simulation unit in one installation housing provides a centralized debugging environment for the debugger, improving the debugging efficiency. The interfaces are all arranged through the installation housing for easy operation. By controlling the body simulation unit through the loop simulation unit, various states and situations of the valve electric actuator during actual operation can be simulated, enabling more accurate discovery and solution of problems during the debugging process, improving the accuracy of debugging, and facilitating multiple repeated debuggings, reducing the risk of damage to the actual equipment and lowering the maintenance cost; by simulating the control loop and the body of the valve electric actuator, the debugging of the valve electric actuator no longer needs to be carried out simultaneously in two places, and during fault handling, the fault location can be quickly determined by separately simulating the control loop and the body of the valve electric actuator, saving manpower and time. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 is a schematic diagram of the overall structure of the auxiliary debugging device for the valve electric actuator in the embodiment of the present application;

[0033] Figure 2It is a schematic circuit diagram of the internal circuit on-off test device of the inductive circuit in the embodiment of the present application.

[0034] Description of reference numerals: 1. Installation housing; 2. Loop simulation part; 21. Power supply interface; 22. First indicator light; 23. First wiring terminal; 24. Contactor; 241. First contactor; 242. Second contactor; 25. First self-locking button; 26. Measurement port; 27. Fuse; 3. Body simulation part; 31. Second indicator light; 33. Second wiring terminal; 34. Second self-locking button; 35. Potentiometer; 36. Phase sequence indicator. Detailed implementation manners

[0035] The following will Figure 1-2 make a further detailed description of the present application.

[0036] The embodiment of the present application discloses an auxiliary debugging device for a valve electric actuator. Referring to Figure 1 and Figure 2 , the auxiliary debugging device for the valve electric actuator includes an installation housing 1, a loop simulation part 2 arranged in the installation housing 1, and a body simulation part 3 arranged in the installation housing 1. Integrating the loop simulation part 2 and the body simulation part 3 in an installation housing 1 provides a centralized debugging environment for debuggers and improves the debugging efficiency. Among them, the loop simulation part 2 is used to control the body simulation part 3. By controlling the body simulation part 3 through the loop simulation part 2, various states and situations of the valve electric actuator in actual work can be simulated, problems can be more accurately discovered and solved during the debugging process, the accuracy of debugging can be improved, and it is convenient to perform multiple repeated debuggings, reducing the risk of damage to actual equipment and lowering the maintenance cost.

[0037] The loop simulation part 2 includes a power supply interface 21 passing through the installation housing 1 for connecting to a power supply, a first indicator light 22 for displaying the state of the loop simulation part 2, a first wiring terminal 23 connected to the first indicator light 22 for connecting to an external circuit, and a contactor 24 connected to other components for controlling the switch of the internal structure of the loop simulation part 2. Among them, both the power supply interface 21 and the first wiring terminal 23 pass through the installation housing 1. The power connection part of the power supply interface 21 and the wiring port of the wiring terminal are both located outside the installation housing 1. The light-emitting part of the first indicator light 22 passes through the installation housing 1 to display various signals, and the contactor 24 is used to control the loop simulator switch.

[0038] In an alternative embodiment, when the power connection part of the power interface 21 is outside the installation housing 1, it is more convenient to connect to an external power supply; when the wiring port of the first wiring terminal 23 is outside the installation housing 1, it is convenient to connect to an external circuit, reducing the time for installation and debugging; the light-emitting part of the first indicator light 22 is located outside the installation housing 1 to display various signals. For example, different colors of indicator lights can be used to represent the power supply status, control signal status, fault status, etc. Debugging personnel and operators can quickly understand the working conditions of the valve electric actuator by observing the status of the indicator lights, improving the efficiency of fault diagnosis and elimination. Further, if it is necessary to upgrade or expand the functions of the valve electric actuator, connection and control can be performed through external wiring terminals and indicator lights.

[0039] In a preferred embodiment, the loop simulation unit 2 is provided with fuses 27. There are multiple fuses 27, and the multiple fuses 27 are connected to the power interface 21. The fuses 27 play a role in overcurrent protection in the circuit. When an overcurrent situation occurs in the circuit, the fuses 27 will quickly blow and cut off the circuit to prevent excessive current from damaging other components in the circuit; when the contactor 24 is disconnected, the circuit is cut off. The fuses 27 and the contactor 24 are used in combination. When a fault occurs in the circuit, the power supply can be quickly cut off to protect the contactor 24 and other circuit components. When the contactor 24 fails and cannot be normally disconnected, the fuses 27 can play a backup protection role to prevent the circuit from continuously energizing and causing danger.

[0040] In an alternative embodiment, the contactor 24 includes a first contactor 241 and a second contactor 242. The fuses 27 are arranged between the contactor 24 and the power interface 21. The first contactor 241 and the second contactor 242 play a role in controlling the on-off of the circuit in the circuit. When the contactor 24 is closed, the circuit is connected. Specifically, the presence of the fuses 27 can protect the first contactor 241 and the second contactor 242. Without the fuses 27, when a serious overcurrent occurs in the circuit, the contactor 24 may be damaged because it cannot withstand the excessive current. The blowing of the fuses 27 can cut off the circuit before the contactor 24 is damaged, thereby protecting the contactor 24.

[0041] The body simulation unit 3 includes a second indicator light 31 installed on the installation housing 1, the second indicator light 31 for simulating the operation of the body simulation unit 3, a second wiring terminal 33 for connecting external lines, and a phase sequence indicator for indicating the states of various parts of the control circuit. The second indicator light 31 of the body simulation unit 3 can intuitively display the operating state of the body part, enabling the debugging personnel and operators to quickly understand the current situation of the equipment, facilitating the timely discovery of problems and taking corresponding measures. Similarly, the first indicator light 22 of the control circuit simulation unit 2 can also display the working state of the control circuit, such as whether the power supply is normal, whether the control signal is sent successfully, etc. Through the indicator lights of the two parts, the operating conditions of the entire valve electric actuator system can be comprehensively understood, improving the efficiency of debugging and monitoring.

[0042] Among them, the self-locking button can be used to manually control the operation of the body simulation unit 3, such as starting, stopping, emergency stopping, etc. During the debugging process, the debugging personnel can operate the self-locking button to simulate various working conditions and verify the performance and reliability of the valve electric actuator; the wiring terminal realizes reliable connection. The wiring terminal can be easily plugged and unplugged and connected, enabling quick disconnection or connection of the two parts during the debugging and maintenance process. At the same time, the connection method of the wiring terminal is also convenient for expansion and upgrade. If new functional modules or devices need to be added, they can be connected through the wiring terminal without large-scale modification of the entire system; during use, different control signals can be sent through the control circuit simulation unit 2 to test the response speed, accuracy, and reliability of the body simulation unit 3. At the same time, various fault conditions, such as power failure, communication failure, etc., can be simulated to verify the fault handling ability and recovery ability of the system.

[0043] In an optional embodiment, the second contactor 242 is in a parallel relationship with the first indicator light 22, the second indicator light 31, and the first contactor 241. The second contactor 242 is in parallel with the indicator light and the first contactor 241 to form a redundant design. If the first contactor 241 fails and cannot work properly, the second contactor 242 can be used as a standby contactor 24 to continue controlling the circuit, ensuring the normal operation of the valve electric actuator. Specifically, the indicator light is in parallel with the contactor 24, so that the operation of the indicator light is not affected by the failure of the contactor 24. Even if the contactor 24 fails, the indicator light can still normally display the state of the circuit, providing important information for the operator.

[0044] Specifically, the second contactor 242 can independently control the circuit without interfering with the first contactor 241. This enables the system to be flexibly controlled according to different requirements. For example, normal control functions can be achieved through the first contactor 241, while special control functions such as emergency stop and manual control can be achieved through the second contactor 242. The parallel design provides the system with multiple control mode options, allowing the selection of using the first contactor 241 or the second contactor 242 for control according to the actual situation, or using both contactors 24 for collaborative control. In an alternative embodiment, when a fault occurs in the system, checking the status of each contactor 24 can quickly locate the fault point. Since the second contactor 242 is in parallel with the first contactor 241 and they are independent of each other, it is easier to determine which contactor 24 has failed, which helps to improve the efficiency of fault diagnosis.

[0045] In an alternative embodiment, the phase sequence indicator can accurately detect whether the phase sequence of the power supply is correct. For the motor in the valve electric actuator, the correct phase sequence is crucial to ensure its normal operation. If the phase sequence is incorrect, the motor may reverse or fail to start, thus affecting the normal operation of the valve. Through the indication of the phase sequence indicator, the phase sequence problem can be detected in a timely manner and adjusted to ensure that the motor runs in the correct direction. Incorrect phase sequence may cause the motor to overheat, be damaged or even burned out. The phase sequence indicator can detect the phase sequence before the motor starts, avoiding damage to the motor caused by incorrect phase sequence, which helps to extend the service life of the motor and reduce the maintenance cost.

[0046] In an alternative embodiment, when a fault occurs in the system, the phase sequence indicator can serve as an important diagnostic tool. If the valve electric actuator fails to work properly, the indication of the phase sequence indicator can be checked first to determine whether there is a phase sequence problem, quickly locate the cause of the fault, improve the efficiency of fault troubleshooting, and reduce the downtime. Moreover, the phase sequence indicator usually has intuitive indicator lights or a display screen that can clearly show the phase sequence status of the power supply.

[0047] In an alternative embodiment, the loop simulation unit 2 further includes a first self-locking button 25 for controlling the body simulation unit 3. The operator can operate the first self-locking button 25 at different positions to control the operation of the valve electric actuator, improving the flexibility and convenience of control. The body simulation unit 3 further includes a second self-locking button 34 and a potentiometer 35. The first self-locking button 25 controls the second self-locking button 34, and the second self-locking button 34 is connected and cooperates with the potentiometer 35 for device self-check. The second self-locking button 34 and the potentiometer 35 of the body simulation unit 3 work together to provide more control means for device self-check. According to actual needs, different types of self-check operations can be performed by operating the second self-locking button 34 and adjusting the potentiometer 35, meeting different detection requirements.

[0048] Among them, the addition of the potentiometer 35 provides more parameter adjustment and control options for the self-check process. By adjusting the potentiometer 35, different working conditions and input signals can be simulated, so as to conduct a more comprehensive detection of the performance of the valve electric actuator. For example, by adjusting the potentiometer 35 to change the magnitude of the input signal, the response ability of the valve electric actuator under different signal intensities can be detected; the design of the self-locking button can effectively prevent misoperation and improve the safety of operation. The addition of the potentiometer 35 provides more parameter adjustment options for the debugging process and can achieve more precise debugging.

[0049] In a preferred embodiment, the loop simulation unit 2 includes a measurement port 26. The signal port is arranged at the feedback signal input end, and the measurement port 26 is used for outputting the valve opening signal. The measurement port 26 is arranged at the feedback signal input end, which can measure the valve opening signal in real time, enabling the control loop to accurately understand the current position of the valve and providing a basis for precise control. By continuously monitoring the valve opening, the control loop can timely adjust the output signal to ensure that the valve is adjusted according to the predetermined opening. The valve opening signal provided by the measurement port 26 enables the control loop to achieve closed-loop control. The closed-loop control can automatically adjust the control signal according to the difference between the actual valve opening and the desired opening, making the valve gradually approach the target opening and reducing errors.

[0050] Among them, precise control of the valve opening can avoid over-adjustment, thereby reducing energy consumption. When the valve opening matches the actual demand, the system can operate in a more efficient state, reducing energy waste. At the same time, the valve opening signal provided by the measurement port 26 can be used as an important basis for fault diagnosis. When a fault occurs in the system, by analyzing the change of the valve opening signal, the problem can be quickly located. For example, if the valve opening does not match the control signal, it may be a fault in the valve actuator; if the valve opening signal is unstable, there may be a problem with the sensor or the signal transmission line.

[0051] In an alternative embodiment, the first terminal 23 and the second terminal 33 are connected by a single wire or a bus bar. Using a single wire to connect the first terminal 23 and the second terminal 33 is very convenient for installation and disassembly. When debugging, repairing or replacing components, the wire can be quickly disconnected or connected, improving work efficiency; the bus bar usually has multiple connection points, which can connect multiple first terminals 23 and second terminals 33 at the same time, reducing the complexity of wiring. The bus bar can also provide better electrical contact, reduce the contact resistance and improve the quality of signal transmission.

[0052] The implementation principle of the embodiments of this application is as follows: The loop simulation unit 2 and the body simulation unit 3 are integrated in an installation housing 1 to provide a centralized debugging environment for the debuggers, improve the debugging efficiency, and the interfaces are all arranged through the installation housing 1 for easy operation. The loop simulation unit 2 controls the body simulation unit 3, which can simulate various states and situations of the valve electric actuator during actual operation, more accurately discover and solve problems during the debugging process, improve the accuracy of debugging, and facilitate multiple repeated debuggings, reducing the risk of damage to the actual equipment and lowering the maintenance cost. By simulating the control loop and the body of the valve electric actuator, the debugging of the valve electric actuator no longer needs to be carried out simultaneously in two places, and during the fault handling process, the fault location can be quickly determined by separately simulating the control loop and the body of the valve electric actuator, saving manpower and time.

[0053] The above are all the preferred embodiments of this application, and the protection scope of this application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A valve electric actuator auxiliary debugging device, characterized in that: include: A mounting shell (1), a circuit simulation unit (2) arranged in the mounting shell (1), and a body simulation unit (3) arranged in the mounting shell (1); The loop simulation part (2) is used to control the main body simulation part (3), and interfaces of some components of the loop simulation part (2) and the main body simulation part (3) are all arranged through the installation shell (1).

2. The valve electric actuator auxiliary debugging device according to claim 1 is characterized in that: The circuit simulation part (2) comprises a power supply interface (21), a first indicator light (22), a first connection terminal (23), and a contactor (24); The power interface (21) and the first wiring terminal (23) both pass through the installation shell (1), and the power connection portion of the power interface (21) and the wiring port of the wiring terminal are both located outside the installation shell (1), the light-emitting portion of the first indicator light (22) passes through the installation shell (1) to reflect a variety of signals, and the contactor (24) is used to control the switch of the loop simulator (2).

3. The valve electric actuator auxiliary debugging device according to claim 2 is characterized in that: The main body simulation part (3) comprises a second indicator light (31), a self-locking button (32), and a second wiring terminal (33); The loop simulation part (2) is connected to the main body simulation part (3) via the first wiring terminal (23) and the second wiring terminal (33); the second indicator light (31) is used to display the operating status of the main body simulation part (3); and the self-locking button (32) is used to control the operation of the main body simulation part (3).

4. The valve electric actuator auxiliary debugging device according to claim 3 is characterized in that: The circuit simulation part (2) further comprises a first self-locking button (25) for controlling the main body simulation part (3); The main body simulation part (3) also includes a second self-locking button (34) and a potentiometer (35), the first self-locking button (25) controls the second self-locking button (34), and the second self-locking button (34) is connected and matched with the potentiometer (35) to perform device self-test.

5. The valve electric actuator auxiliary debugging device according to claim 4 is characterized in that: The loop simulation part (2) comprises a measuring port (26), the signal port is arranged at a feedback signal input end, and the measuring port (26) is used to output a valve opening signal.

6. The valve electric actuator auxiliary debugging device according to claim 4 is characterized in that: The main body simulation part (3) comprises a phase sequence meter (36), and the phase sequence meter (36) is used to indicate the status of each part of the control loop.

7. The valve electric actuator auxiliary debugging device according to claim 3 is characterized in that: A fuse (27) is provided in the loop simulation unit (2), and a plurality of the fuses (27) are provided. The plurality of fuses (27) are connected to the power supply interface (21).

8. The valve electric actuator auxiliary debugging device according to claim 7 is characterized in that: The contactor (24) comprises a first contactor (241) and a second contactor (242), and the fuse (27) is arranged between the first contactor (241) and the power interface (21).

9. The valve electric actuator auxiliary debugging device according to claim 8, characterized in that: The second contactor (242) and the first indicator light (22), the second indicator light (31) and the first contactor (241) are all in parallel relationship.

10. The valve electric actuator auxiliary debugging device according to claim 3, characterized in that: The first connecting terminal (23) and the second connecting terminal (33) are connected via a single line or a wire row.

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