Alternating-current electric valve debugging box

Abstract

The utility model relates to the technical field of electric valve detection, in particular to an alternating current electric valve debugging box which comprises a box body, a phase sequence change-over switch, a wiring assembly and a control assembly. The phase sequence change-over switch is arranged on the outer wall of the top end of the box body, the wiring assembly is arranged on the outer wall of the top end of the box body, and the wiring assembly is connected with the power source and the electric valve through wires. The control assembly is arranged below the wiring assembly, electrically connected with the wiring assembly and used for controlling opening and closing of the electric valve. The phase sequence change-over switch, the wiring assembly and the control assembly are integrated on the box body, so that the box body is convenient to carry, restriction of site factors is reduced, the electric valve can be controlled to be opened and closed through cooperation of the wiring assembly and the control assembly, excessive equipment and tools do not need to be used for simultaneous cooperative operation, and the cost is reduced. The electric valve can be prevented from being damaged due to improper operation, and the field test efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric valve detection, in particular to an AC electric valve debugging box. Background Art

[0002] With the continuous development of the nuclear power industry, electric actuators are one of the important control components of nuclear power plants. After their installation, in order to verify the production quality of electric valves and ensure their normal use in the future, the handover test of electric valves has become a top priority.

[0003] Due to the different specifications and sizes of the tested electric valves, the following items need to be carried out on site: insulation resistance measurement, limit switch inspection, simulated operation, etc. When simulating the operation of the electric valve, the existing technology lacks special instruments and equipment, and usually uses a lot of equipment and tools to cooperate, which has certain safety hazards. In addition, since the detection test process requires repeated wiring for many times, it is not conducive to improving the efficiency of on-site tests. Utility Model Content

[0004] (I) The utility model provides an AC electric valve debugging box, which alleviates the technical problems in the prior art of lack of special instruments and equipment for simulating the switching operation of the electric valve and low efficiency of field test operation.

[0005] (II) Technical solution

[0006] In order to solve the above technical problems, the embodiment of the utility model provides an AC electric valve debugging box, including a box body, a phase sequence conversion switch, a wiring assembly and a control assembly;

[0007] The phase sequence conversion switch is arranged on the outer wall at the top of the box body, and is used to control the phase sequence conversion of the AC electric valve debugging box;

[0008] The wiring assembly is arranged on the outer wall of the top end of the box body, and the wiring assembly is connected to the power supply and the electric valve through a wire;

[0009] The control component is arranged below the wiring component, and the control component is electrically connected to the wiring component for controlling the switch of the electric valve.

[0010] Furthermore, the wiring assembly includes a power supply input interface, a power supply output interface and a control cable output interface;

[0011] The power input interface, the power output interface and the control cable output interface are spaced apart on the outer wall at the top of the box body, the power input interface is connected to the power input plug through a wire, the power output interface is connected to the power connection of the electric valve actuator through a wire, and the control cable output interface is connected to the control connection of the electric valve actuator through a wire.

[0012] Furthermore, the control component includes a stop button, a valve opening button and a valve closing button, and the stop button, valve opening button and valve closing button are arranged in parallel and spaced apart on the outer wall at the top of the box body, and the stop button, valve opening button and valve closing button are electrically connected to the power outlet interface respectively.

[0013] Furthermore, an opening valve contactor and a closing valve contactor are provided inside the box body for controlling the opening and closing of the circuit inside the box body, the opening valve contactor is electrically connected to the opening valve button, and the closing valve contactor is electrically connected to the closing valve button.

[0014] Furthermore, the box body is also provided with a main power switch and a control power switch, and the main power switch and the control power switch are arranged on the outer wall at the top of the box body. The main power switch is electrically connected to the wiring assembly, and the control power switch is electrically connected to the control assembly.

[0015] Furthermore, a protection relay is provided on the outer wall at the top of the box body, and the protection relay is arranged adjacent to the main power switch and is electrically connected to the main power switch.

[0016] Furthermore, the AC electric valve debugging box also includes an indication component, which is arranged above the control component and is electrically connected to the control power switch.

[0017] Further, the indicator assembly includes a control power indicator light, a valve opening indicator light, and a valve closing indicator light;

[0018] The control power indicator light, the valve opening indicator light and the valve closing indicator light are electrically connected to the main power switch respectively, and the valve opening indicator light and the valve closing indicator light are also electrically connected to the electric valve respectively.

[0019] Furthermore, a rectifier transformer is also provided inside the box, and the rectifier transformer is electrically connected to the control power switch and the indicating component.

[0020] Furthermore, a timer is provided on the outer wall at the top of the box body, and the timer is located below the phase sequence conversion switch and is electrically connected to the control power switch.

[0021] Beneficial effects of the utility model: The utility model provides an AC electric valve debugging box, including a box body, a phase sequence conversion switch, a wiring assembly and a control assembly; the phase sequence conversion switch is arranged on the outer wall at the top of the box body, and is used to control the phase sequence conversion of the AC electric valve debugging box; the wiring assembly is arranged on the outer wall at the top of the box body, and the wiring assembly is connected to the power supply and the electric valve through a wire; the control assembly is arranged below the wiring assembly, and the control assembly is electrically connected to the wiring assembly, and is used to control the switch of the electric valve. By integrating the phase sequence conversion switch, the wiring assembly and the control assembly into one body on the box body, it can be made easy to carry, reducing the constraints of site factors, and the electric valve can be controlled to open and close the valve through the cooperation of the wiring assembly and the control assembly, without using too many equipment and tools to perform coordinated operations at the same time, which can ensure that the electric valve will not be damaged due to improper operation, and can also effectively improve the efficiency of field tests. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 A schematic diagram of the structure of an AC electric valve debugging box provided by an embodiment of the utility model;

[0024] Figure 2 An overall circuit diagram of an AC electric valve debugging box provided by an embodiment of the utility model;

[0025] Figure 3 A schematic diagram of a timer circuit of an AC electric valve debugging box provided in an embodiment of the utility model.

[0026] Icons: 101- box; 102- phase sequence conversion switch; 103- main power switch; 104- control power switch; 105- protection relay; 106- rectifier transformer; 107- timer;

[0027] 201-electric valve;

[0028] 301-power input line interface; 302-power output line interface; 303-control cable output line interface;

[0029] 401- stop button; 402- valve opening button; 403- valve closing button;

[0030] 501-open valve contactor; 502-close valve contactor;

[0031] 601-power indicator light; 602-valve opening indicator light; 603-valve closing indicator light. DETAILED DESCRIPTION

[0032] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] In the description of the present invention, it should be noted that the terms "upper" and "lower" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the insides of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0035] like Figures 1 to 3 As shown, the utility model provides an AC electric valve debugging box, including a box body 101, a phase sequence conversion switch 102, a wiring assembly and a control assembly; the phase sequence conversion switch 102 is arranged on the outer wall at the top of the box body 101, and is used to control the phase sequence conversion of the AC electric valve debugging box; the wiring assembly is arranged on the outer wall at the top of the box body 101, and the wiring assembly is connected to the power supply and the electric valve 201 through a wire; the control assembly is arranged below the wiring assembly, and the control assembly is electrically connected to the wiring assembly, and is used to control the switch of the electric valve 201.

[0036] In this embodiment, the AC electric valve debugging box includes a box body 101, a phase sequence conversion switch 102, a wiring assembly and a control assembly. By integrating the phase sequence conversion switch 102, the wiring assembly and the control assembly into one body on the box body 101, it can be easy to carry and reduce the constraints of site factors. During use, the positive and negative phase sequence can be converted by rotating the phase sequence conversion switch 102. The wiring assembly is directly connected to the power supply and the electric valve 201 through a wire. The control assembly and the wiring assembly are electrically connected to each other. The electric valve 201 can be controlled to open and close the valve through the cooperation of the wiring assembly and the control assembly. The operation is simple, and there is no need to use too many equipment and tools for simultaneous cooperation. It can ensure that the electric valve 201 will not be damaged due to improper operation, and can also effectively improve the efficiency of field tests.

[0037] Preferably, the wire used for connection is a wire with an aviation plug.

[0038] According to an embodiment provided by the utility model, Figure 1 As shown, the wiring assembly includes a power input interface 301, a power output interface 302 and a control cable output interface 303; the power input interface 301, the power output interface 302 and the control cable output interface 303 are spaced apart on the outer wall at the top of the box body 101, the power input interface 301 is connected to the power input plug through a wire, the power output interface 302 is connected to the power wiring of the electric valve 201 actuator through a wire, and the control cable output interface 303 is connected to the control wiring of the electric valve 201 actuator through a wire.

[0039] In this embodiment, the wiring assembly includes a power input interface 301, a power output interface 302 and a control cable output interface 303, and the power input interface 301, the power output interface 302 and the control cable output interface 303 are spaced apart on the outer wall at the top of the box 101, wherein, optionally, the power input interface 301, the power output interface 302 and the control cable output interface 303 can be spaced apart vertically or horizontally, and arranging them at intervals can not only beautify the appearance of the box 101, but also enable the operator to easily find the corresponding wiring port during use, thereby reducing the occurrence of wiring errors.

[0040] The power input interface 301 is connected to the power input plug through a wire to provide sufficient power for the entire AC electric valve debugging box. The power output interface 302 is connected to the power connection of the electric valve 201 actuator through a wire. The control cable output interface 303 is connected to the control connection of the electric valve 201 actuator through a wire, thereby ensuring the mutual connection between the AC electric valve debugging box and the electric valve 201 actuator, and the execution and control of the electric valve 201 can be manipulated through the AC electric valve debugging box.

[0041] Preferably, the wire used for connection is a wire with an aviation plug.

[0042] According to an embodiment provided by the utility model, Figure 1 As shown, the control component includes a stop button 401, a valve opening button 402 and a valve closing button 403. The stop button 401, the valve opening button 402 and the valve closing button 403 are arranged in parallel and spaced apart on the outer wall at the top of the box body 101. The stop button 401, the valve opening button 402 and the valve closing button 403 are electrically connected to the power outlet interface 302 respectively.

[0043] In this embodiment, the control assembly includes a stop button 401, a valve opening button 402, and a valve closing button 403, which are arranged in parallel and at intervals on the outer wall at the top of the box 101. The parallel and at intervals arrangement can not only beautify the appearance of the box 101, but also enable the operator to easily find the corresponding button during use, thereby reducing the operation time and improving the operation efficiency at the test site.

[0044] The stop button 401, the valve opening button 402 and the valve closing button 403 are electrically connected to the power outlet interface 302 respectively. When using the AC electric valve debugging box provided in this example, the operator only needs to use the stop button 401, the valve opening button 402 and the valve closing button 403 to complete the valve opening and closing control of the electric valve 201. During the test, only the stop button 401, the valve opening button 402 and the valve closing button 403 need to be operated to avoid the risk of electric shock.

[0045] The phase sequence conversion switch 102 is turned to the positive phase sequence position, and the valve opening button 402 is pressed, and the actuator of the electric valve 201 is energized to open the valve. When the valve is fully opened, the stop button 401 is pressed, and the actuator stops running; the phase sequence conversion switch 102 is turned to the reverse phase sequence position, and the valve closing button 403 is pressed, and the actuator of the electric valve 201 is energized to close the valve. When the valve is fully closed, the stop button 401 is pressed, and the actuator stops running. The AC electric valve debugging box provided in this embodiment is simple to operate, does not require the use of multiple devices and tools, and can effectively improve the test efficiency of the test site.

[0046] According to an embodiment provided by the utility model, Figure 2 As shown, a valve opening contactor 501 and a valve closing contactor 502 are provided inside the box 101 for controlling the opening and closing of the circuit inside the box 101 . The valve opening contactor 501 is electrically connected to the valve opening button 402 , and the valve closing contactor 502 is electrically connected to the valve closing button 403 .

[0047] In this embodiment, a valve opening contactor 501 and a valve closing contactor 502 are provided inside the box body 101. When the phase sequence conversion switch 102 is turned to the positive phase sequence position, the valve opening button 402 is pressed, the valve opening contactor 501 is energized and closed, and the electric valve 201 actuator is energized to open the valve. When the valve is fully opened, the stop button 401 is pressed and the actuator stops running. When the phase sequence conversion switch 102 is turned to the reverse phase sequence position, the valve closing button 403 is pressed, the valve closing contactor 502 is energized and closed, and the electric valve 201 actuator is energized to close the valve. When the valve is fully closed, the stop button 401 is pressed and the actuator stops running.

[0048] According to an embodiment provided by the utility model, Figure 1 As shown, the box body 101 is also provided with a main power switch 103 and a control power switch 104, which are arranged on the outer wall at the top of the box body 101, the main power switch 103 is electrically connected to the wiring assembly, and the control power switch 104 is electrically connected to the control assembly.

[0049] In this embodiment, a main power switch 103 and a control power switch 104 are also provided on the box body 101. The main power switch 103 is electrically connected to the wiring assembly, and the circuit connectivity of the entire AC electric valve debugging box is controlled by the main power switch 103. The control power switch 104 is electrically connected to the control assembly, and the circuit connectivity of the control assembly is controlled by the control power switch 104.

[0050] According to an embodiment provided by the utility model, Figure 1 As shown, a protection relay 105 is also provided on the outer wall at the top of the box body 101 . The protection relay 105 is arranged adjacent to the main power switch 103 and is electrically connected to the main power switch 103 .

[0051] In this embodiment, a protection relay 105 is further provided on the outer wall at the top of the box body 101, and is electrically connected to the main power switch 103. After the wiring assembly is connected to the power supply and the electric valve 201 respectively through wires, the main power switch 103 is closed, and the protection relay 105 is checked to be working normally and to be able to display that the power supply voltage is normal, and subsequent test operations can be performed, so that the AC electric valve debugging box provided in this embodiment has a protection function for the electric valve 201 to prevent damage to the valve due to overcurrent and overpressure.

[0052] According to an embodiment provided by the utility model, Figure 1 As shown, the AC electric valve debugging box also includes an indication component, which is arranged above the control component and is electrically connected to the control power switch 104.

[0053] In this embodiment, the AC electric valve debugging box also includes an indication component, which is arranged above the control component and is electrically connected to the control power switch 104. When the protection relay 105 works normally and displays that the power supply voltage is normal, close the control power switch 104 to check whether the indication component lights up and works normally, so as to facilitate subsequent test operations.

[0054] Furthermore, the indication component includes a control power indicator light 601, a valve opening indicator light 602 and a valve closing indicator light 603; the control power indicator light 601, the valve opening indicator light 602 and the valve closing indicator light 603 are electrically connected to the main power switch 103 respectively, and the valve opening indicator light 602 and the valve closing indicator light 603 are also electrically connected to the electric valve 201 respectively.

[0055] In this embodiment, the indicator component includes a control power indicator light 601, a valve opening indicator light 602 and a valve closing indicator light 603. The control power indicator light 601 is electrically connected to the control power switch 104. The control power indicator light 601, the valve opening indicator light 602 and the valve closing indicator light 603 light up after the power input interface 301 is connected to the power supply and the main power switch 103 is closed. When the electric valve 201 opens the valve, the valve closing indicator light goes out after the valve is fully opened. When the electric valve 201 closes the valve, the valve opening indicator light goes out after the valve is fully closed.

[0056] According to an embodiment provided by the utility model, Figure 2 As shown, a rectifier transformer 106 is also provided inside the box 101 , and the rectifier transformer 106 is electrically connected to the control power switch 104 and the indicating component.

[0057] In this embodiment, a rectifier transformer 106 is further provided inside the box body 101. The rectifier transformer 106 is electrically connected to the control power switch 104 and the indicating component. After the control power switch 104 is closed, the circuit outputs 24V control power through the rectifier transformer 106 and flows through the control component, so that the AC electric valve debugging box provided in this embodiment has a certain protection function to prevent overcurrent and overvoltage from damaging the circuit.

[0058] According to an embodiment provided by the utility model, Figure 1 As shown, a timer 107 is also provided on the outer wall at the top of the box body 101 . The timer 107 is located below the phase sequence conversion switch 102 and is electrically connected to the control power switch 104 .

[0059] In this embodiment, a timer 107 is also provided on the outer wall at the top of the box body 101. When the control power switch 104 is closed, the timer 107 can light up and work normally. When the electric valve 201 is opened or closed, the timing circuit of the timer 107 and the control component are closed at the same time to synchronize timing. The timer 107 can automatically record the time when the electric valve 201 is fully opened or fully closed.

[0060] Preferably, a reset button is provided on the timer 107 .

[0061] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An AC electric valve debugging box, characterized in that: It comprises a box (101), a phase sequence conversion switch (102), a wiring assembly and a control assembly; The phase sequence conversion switch (102) is arranged on the outer wall at the top end of the box body (101) and is used to control the phase sequence conversion of the AC electric valve (201) debugging box; The wiring assembly is arranged on the outer wall at the top end of the box body (101), and the wiring assembly is connected to the power source and the electric valve (201) via a wire; The control component is arranged below the wiring component, and is electrically connected to the wiring component for controlling the switch of the electric valve (201).

2. The AC electric valve debugging box according to claim 1 is characterized in that: The wiring assembly comprises a power supply input line interface (301), a power supply output line interface (302) and a control cable output line interface (303); The power input interface (301), the power output interface (302) and the control cable output interface (303) are arranged at intervals on the outer wall of the top end of the box body (101); the power input interface (301) is connected to the power input plug via a wire, the power output interface (302) is connected to the power connection of the electric valve (201) actuator via a wire, and the control cable output interface (303) is connected to the control connection of the electric valve (201) actuator via a wire.

3. The AC electric valve debugging box according to claim 2 is characterized in that: The control component comprises a stop button (401), a valve opening button (402) and a valve closing button (403); the stop button (401), the valve opening button (402) and the valve closing button (403) are arranged in parallel and at intervals on the outer wall at the top end of the box body (101); the stop button (401), the valve opening button (402) and the valve closing button (403) are respectively electrically connected to the power outlet interface (302).

4. The AC electric valve debugging box according to claim 3 is characterized in that: An opening valve contactor (501) and a closing valve contactor (502) are provided inside the box (101) for controlling the opening and closing of the circuit inside the box (101); the opening valve contactor (501) is electrically connected to the opening valve button (402), and the closing valve contactor (502) is electrically connected to the closing valve button (403).

5. The AC electric valve debugging box according to claim 1 is characterized in that: The box (101) is also provided with a main power switch (103) and a control power switch (104). The main power switch (103) and the control power switch (104) are arranged on the outer wall at the top end of the box (101). The main power switch (103) is electrically connected to the wiring assembly, and the control power switch (104) is electrically connected to the control assembly.

6. The AC electric valve debugging box according to claim 5 is characterized in that: A protection relay (105) is also provided on the outer wall at the top of the box body (101); the protection relay (105) is arranged adjacent to the main power switch (103) and is electrically connected to the main power switch (103).

7. The AC electric valve debugging box according to claim 6, characterized in that: The AC electric valve (201) debugging box also includes an indication component, which is arranged above the control component and is electrically connected to the control power switch (104).

8. The AC electric valve debugging box according to claim 7 is characterized in that: The indicator assembly comprises a control power indicator light (601), a valve opening indicator light (602) and a valve closing indicator light (603); The control power indicator light (601), the valve opening indicator light (602) and the valve closing indicator light (603) are respectively electrically connected to the main power switch (103), and the valve opening indicator light (602) and the valve closing indicator light (603) are also respectively electrically connected to the electric valve (201).

9. The AC electric valve debugging box according to claim 7, characterized in that: A rectifier transformer (106) is also provided inside the box (101), and the rectifier transformer (106) is electrically connected to the control power switch (104) and the indicating component.

10. The AC electric valve debugging box according to claim 5, characterized in that: A timer (107) is also provided on the outer wall at the top of the box body (101). The timer (107) is located below the phase sequence conversion switch (102) and is electrically connected to the control power switch (104).

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