CN108761268B - Wireless remote control system and method for on-load tap-changer control box - Google Patents

Abstract

The invention relates to a wireless remote control system of an on-load tap changer control box, which comprises a horizontal main shaft, a cabinet door left vertical fixed shaft, a cabinet door right vertical fixed shaft, a touch control head vertical fixed shaft, an electromagnetic touch control head assembly plate, a controller and a plurality of electromagnetic touch control heads, wherein the cabinet door left vertical fixed shaft is assembled on the horizontal main shaft through a first right-angle fastener, the cabinet door right vertical fixed shaft is assembled on the horizontal main shaft through a second right-angle fastener, the touch control head vertical fixed shaft is assembled on the horizontal main shaft through a third right-angle fastener, the touch control head vertical fixed shaft is positioned between the cabinet door left vertical fixed shaft and the cabinet door right vertical fixed shaft, and cabinet door fixing clamps are respectively arranged at the tops of the cabinet door left vertical fixed shaft and the cabinet door right vertical fixed shaft; the invention can enable a tester to operate the on-load tap-changer control box and monitor the state of the on-load tap-changer control box through a mobile phone at a remote place.

Description

On-load tap changer control box wireless remote control system and method

Technical field

The invention relates to the technical field of electrical testing equipment, and specifically refers to a wireless remote control system and method for an on-load tap changer control box.

technical background

The tests of power transformers are divided into two types: insulation test and characteristic test. The insulation test includes dielectric loss factor test, partial discharge test, withstand voltage test, etc. The characteristic test includes DC resistance test, transformation ratio test, short-circuit impedance test, and load sharing test. Switch test, etc. Among them, during the DC resistance test, transformation ratio test and on-load tap changer test in the characteristic test, it is required to operate the on-load tap changer control box to change the tap changer gear. In actual work, due to the large size of transformers with voltage levels of 110kV and above, in order to facilitate test wiring, the test equipment is generally placed directly in front of the transformer, far away from the on-load tap changer control box. Therefore, each test requires Arrange a separate person to operate the on-load tap-changer control box and report the on-load tap-changer gear status to the transformer test equipment operator. A staff member manually controls the on-load tap changer control box. There are three buttons in the box, whose functions are upshift, downshift and stop. The control process is cumbersome and wastes a lot of labor costs.

Contents of the invention

The purpose of the present invention is to provide a wireless remote control system and method for an on-load tap-changer control box that allows testers to operate the on-load tap-changer control box and monitor its status through a mobile phone from a distance.

In order to achieve this goal, the present invention designs a wireless remote control system for an on-load tap changer control box, which is characterized in that it includes a horizontal spindle, a left vertical fixed shaft of the cabinet door, a right vertical fixed shaft of the cabinet door, and a touch head. Vertical fixed shaft, electromagnetic touch head assembly plate, controller, and multiple electromagnetic touch heads. Among them, the left vertical fixed shaft of the cabinet door is assembled to the horizontal spindle through the first right-angle fastener, and the right vertical fixed shaft of the cabinet door passes through The second right-angle fastener is assembled to the horizontal main axis, and the vertical fixed axis of the touch head is assembled to the horizontal main axis through the third right-angled fastener. The vertical fixed axis of the touch head is located on the left vertical fixed axis of the cabinet door and is fixed vertically on the right side of the cabinet door. Between the shafts, cabinet door fixing clips are provided on the tops of the left vertical fixed shaft of the cabinet door and the right vertical fixed shaft of the cabinet door;

The first right-angle fastener, the second right-angle fastener and the third right-angle fastener all include a horizontal main shaft hole and a vertical fixed shaft hole. A first threaded hole is provided on the side of the horizontal main shaft hole, and a third threaded hole is provided in the first threaded hole. A fastening bolt, a second threaded hole is provided on the side of the vertical fixed shaft hole, a second fastening bolt is provided in the second threaded hole, and the horizontal spindle passes through the first right-angle fastener, the third right-angle fastener and The horizontal spindle hole of the second right-angle fastener is fixed by the corresponding first fastening bolt. The left vertical fixed shaft of the cabinet door passes through the vertical fixed shaft hole of the first right-angle fastener and is fixed by the corresponding second fastening bolt. The vertical fixed shaft of the control head passes through the vertical fixed shaft hole of the third right-angle fastener and is fixed by the corresponding second fastening bolt. The right vertical fixed shaft of the cabinet door passes through the vertical fixed shaft hole of the second right-angled fastener and is fixed by the corresponding second fastening bolt. The second fastening bolt is fixed;

The electromagnetic touch head assembly plate is provided with a horizontal through chute, the bottoms of the plurality of electromagnetic touch heads are provided with sliders, and the slider of each electromagnetic touch head is arranged in the horizontal through chute, The control signal communication end of each electromagnetic touch head is connected to the electromagnetic touch head control signal communication end of the controller.

A remote control method for the on-load tap changer control box of the above device, characterized in that it includes the following steps:

Step 1: According to the size of the on-load tap changer controller cabinet door, adjust the positions of the left vertical fixed shaft of the cabinet door and the right vertical fixed shaft of the cabinet door on the horizontal main axis so that the left vertical fixed shaft of the cabinet door and the right vertical fixed shaft of the cabinet door are vertical. The cabinet door fixing clip on the top of the fixed shaft can clamp the left and right sides of the tap changer controller cabinet door;

Step 2: Adjust the position of the vertical fixed axis of the touch head on the horizontal spindle according to the specific position of the on-load tap changer controller in the cabinet door, so that the electromagnetic touch head assembly plate on the top of the vertical fixed axis of the touch head is located on the on-load tap-changer. Just below the tap changer controller;

Step 3: According to the position of each bottom control button in the on-load tap changer controller, adjust the position of each electromagnetic touch head in the horizontal through chute so that it is below each bottom control button in the on-load tap change controller. All are equipped with corresponding electromagnetic touch heads;

Step 4: According to the control needs of the on-load tap changer controller, send the control instructions of the electromagnetic touch head to the controller through the Internet on the remote terminal. The controller controls the corresponding control instructions according to the received control instructions of the electromagnetic touch head. Extend the electromagnetic touch head to press the designated control button at the bottom of the on-load tap changer controller.

The present invention adopts the above design, allowing testers to operate various switches of the on-load tap changer control box through a remote terminal (mobile phone or computer) at a distance. When conducting power transformer testing, the operator of the test equipment can control the opening and closing of the switch corresponding to the on-load tap changer control box on his mobile phone, and observe the gear position of the on-load tap changer through the camera. This is no longer necessary. Special personnel are required to operate at the on-load tap changer control box. It can reduce the number of staff required for on-site testing. The operator of the test equipment can also observe the gear position of the on-load tap changer in real time. In addition, keeping the operator away from high-voltage power equipment can also ensure the safety of the operator. It operates at 110kV It has great application value in electrical tests of transformers with voltage levels and above.

Description of drawings

Figure 1 is a schematic structural diagram of the working state of the present invention;

Figure 2 is a schematic structural diagram of the electromagnetic touch head in the present invention;

Figure 3 is a schematic plan view of the first right-angle fastener part of the present invention;

Figure 4 is a schematic plan view of the second right-angle fastener part of the present invention;

Figure 5 is a schematic top view of the third right-angle fastener part of the present invention;

Figure 6 is a schematic plan view of the fourth right-angle fastener part of the present invention;

Figure 7 is a schematic structural diagram of the electronic control part of the present invention.

1—horizontal spindle, 2—cabinet door left vertical fixed shaft, 3—cabinet door right vertical fixed shaft, 4—touch head vertical fixed shaft, 5—electromagnetic touch head assembly plate, 6—electromagnetic touch head, 7— The first right-angle fastener, 8—the second right-angle fastener, 9—the third right-angle fastener, 10—horizontal spindle hole, 11—vertical fixed shaft hole, 12—first fastening bolt, 13—second fastening bolt , 14—horizontal through chute, 15—slider, 16—controller, 17—cabinet door fixing clip, 18—camera fixed shaft, 19—fourth right-angle fastener, 20—camera, 21—camera adjustment lever, 22 —On-load tap changer controller, 23—casing, 24—spring, 25—coil, 26—iron core, 27—opening, 28—slider limit block, 29—wireless network communication module, 30—bottom control button , 31—Remote terminal.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific examples:

A wireless remote control system for an on-load tap changer control box designed by the present invention is shown in Figures 1 to 7. It includes a horizontal spindle 1, a cabinet door left vertical fixed shaft 2, a cabinet door right vertical fixed shaft 3, and a touch control system. Head vertical fixed shaft 4, electromagnetic touch head assembly plate 5, controller 16, multiple electromagnetic touch heads 6, wherein the left vertical fixed shaft 2 of the cabinet door is assembled to the horizontal spindle 1 through the first right-angle fastener 7 , the right vertical fixed shaft 3 of the cabinet door is assembled to the horizontal main shaft 1 through the second right-angle fastener 8, the vertical fixed shaft 4 of the touch head is assembled to the horizontal main shaft 1 through the third right-angled fastener 9, and the touch head is vertically fixed The shaft 4 is located between the cabinet door left vertical fixed shaft 2 and the cabinet door right vertical fixed shaft 3. The tops of the cabinet door left vertical fixed shaft 2 and the cabinet door right vertical fixed shaft 3 are equipped with cabinet door fixing clips 17;

The first right-angle fastener 7, the second right-angle fastener 8 and the third right-angle fastener 9 all include a horizontal main shaft hole 10 and a vertical fixed shaft hole 11 (the horizontal main shaft hole 10 and the vertical fixed shaft hole 11 are perpendicular to each other, and in spatially staggered), the side of the horizontal spindle hole 10 is provided with a first threaded hole, the first threaded hole is provided with a first fastening bolt 12, the side of the vertical fixed shaft hole 11 is provided with a second threaded hole, and the second thread There is a second fastening bolt 13 in the hole. The horizontal spindle 1 passes through the horizontal spindle holes 10 of the first right-angle fastener 7, the third right-angle fastener 9 and the second right-angle fastener 8 in sequence and is connected by the corresponding first right-angle fastener. Fastening bolts 12 are fixed, the left vertical fixed shaft 2 of the cabinet door passes through the vertical fixed shaft hole 11 of the first right-angle fastener 7 and is fixed by the corresponding second fastening bolt 13, and the vertical fixed shaft 4 of the touch head passes through the third The vertical fixing shaft hole 11 of the right-angle fastener 9 is fixed by the corresponding second fastening bolt 13. The right vertical fixing shaft 3 of the cabinet door passes through the vertical fixing shaft hole 11 of the second right-angle fastener 8 and is fixed by the corresponding second fastening bolt 13. Fix with bolt 13;

The electromagnetic touch head assembly plate 5 is provided with a horizontal through chute 14, and the bottoms of the plurality of electromagnetic touch heads 6 are provided with sliders 15. The slider 15 of each electromagnetic touch head 6 is arranged horizontally. Through the chute 14 , the control signal communication end of each electromagnetic touch head 6 is connected to the electromagnetic touch head control signal communication end of the controller 16 .

In the above technical solution, it also includes a camera fixing shaft 18 provided with a camera 20. The camera fixing shaft 18 is assembled to the horizontal spindle 1 through a fourth right-angle fastener 19. The fourth right-angle fastener 19 also includes a horizontal spindle. Hole 10 and vertical fixed shaft hole 11, the side of the horizontal spindle hole 10 is provided with a first threaded hole, the first threaded hole is provided with a first fastening bolt 12, the side of the vertical fixed shaft hole 11 is provided with a second threaded hole, A second fastening bolt 13 is provided in the second threaded hole. The camera fixing shaft 18 passes through the vertical fixing shaft hole 11 of the fourth right-angle fastener 19 and is fixed by the corresponding second fastening bolt 13. The horizontal spindle 1 passes through the second fastening bolt 13. The horizontal spindle holes 10 of the four right-angle fasteners 19 are fixed by corresponding first fastening bolts 12 , and the video communication end of the camera 20 is connected to the video communication end of the controller 16 . The controller 16 is installed on the electromagnetic touch head assembly board 5 .

In the above technical solution, it also includes a camera adjustment rod 21, the base of the camera 20 is hinged to the top of the camera adjustment rod 21, and the other end of the camera adjustment rod 21 is hinged to the top of the camera fixed shaft 18.

In the above technical solution, the plurality of electromagnetic touch heads 6 are used to perform touch and press operations on respective corresponding switches of the on-load tap changer controller 22 under the control of the controller 16 .

In the above technical solution, each electromagnetic touch head 6 includes a shell 23, a spring 24, a coil 25 and an iron core 26. The coil 25 is coaxially fixed in the shell 23, and the iron core 26 penetrates into the coil 25. The top of the shell 23 is provided with an opening 27. One end of the iron core 26 is fixedly connected to one end of the spring 24. The other end of the iron core 26 can extend out of the shell 23 through the opening 27. The other end of the spring 24 is fixed at the bottom of the shell 23. , the controller 16 is used to control the coil 25 to be powered on. When the coil 25 is powered on, the electromagnetic force stretches out the iron core 26. When the coil 25 is powered off, the iron core 26 loses its electromagnetic force and is pulled back by the spring 24. When the control coil 25 is powered on, the iron core 26 stretches out and presses against the corresponding load. There are control buttons 30 at the bottom of the tap switch controller 22.

In the above technical solution, the slider 15 is an I-shaped slider, which is fixed at the bottom of the housing 23 , and the horizontal through chute 14 is provided on the electromagnetic touch head along the length direction of the horizontal spindle 1 Between the left end and the right end of the top of the assembly plate 5, the top of the horizontal through chute 14 is provided with a slider limiting block 28 for limiting the I-shaped slider in the vertical direction.

In the above technical solution, it also includes a wireless network communication module 29. The remote signal communication of the controller 16 is connected to the Internet through the wireless network communication module 29. The controller 16 can control the electromagnetic touch head 6 and read the camera signal through a device connected to the Internet.

In the above technical solution, there are three electromagnetic touch heads 6, and the three electromagnetic touch heads 6 respectively correspond to "1-N (upshift)" and "N-1 (downshift)" of the on-load tap changer controller 22. , "STOP" three buttons.

In the above technical solution, the first right-angle fastener 7, the second right-angle fastener 8, the third right-angle fastener 9 and the fourth right-angle fastener 19 make the left vertical fixed shaft 2 of the cabinet door, the right vertical fixed shaft 3 of the cabinet door touch. The relative positions of the control head vertical fixed axis 4 and the camera fixed axis 18 can be freely adjusted on the horizontal main axis 1 to adapt to the installation positions of various on-load tap changer controller cabinet doors and various on-load tap changer controllers 22. In addition, the design of the slider 15 and the horizontal through chute 14 allows the spacing between each electromagnetic touch head 6 to be freely adjusted to adapt to various installation positions of the tap changer controller 22 .

A remote control method for the on-load tap changer control box of the above device, which includes the following steps:

Step 1: According to the size of the cabinet door of the on-load tap changer controller 22, adjust the positions of the left vertical fixed shaft 2 of the cabinet door and the right vertical fixed shaft 3 of the cabinet door on the horizontal spindle 1 so that the left vertical fixed shaft 2 of the cabinet door is adjusted. The cabinet door fixing clip 17 on the top of the right vertical fixed shaft 3 of the cabinet door can clamp the left and right sides of the tap changer controller 22 cabinet door;

Step 2: Adjust the position of the vertical fixed shaft 4 of the touch head on the horizontal main axis 1 according to the specific position of the on-load tap changer controller 22 in the cabinet door, so that the electromagnetic touch head on the top of the vertical fixed shaft 4 of the touch head is assembled Plate 5 is located directly below the on-load tap changer controller 22;

Step 3: According to the position of each bottom control button 30 in the on-load tap changer controller 22, adjust the position of each electromagnetic touch head 6 in the horizontal through chute 14, so that each of the on-load tap changer controller 22 Corresponding electromagnetic touch heads 6 are provided below the bottom control buttons 30;

Step 4: According to the control needs of the on-load tap changer controller 22, send the control instruction of the electromagnetic touch head to the controller 16 on the remote terminal 31 (mobile phone or computer) through the Internet. The controller 16 will The control command of the control head controls the corresponding electromagnetic touch head 6 to extend and press the control button 30 at the bottom of the designated on-load tap changer controller 22.

In step 4 of the above technical solution, adjust the position of the camera fixed shaft 18 on the horizontal main axis 1, and adjust the angle between the camera fixed shaft 18 and the camera adjusting rod 21 and the angle between the camera 20 and the camera adjusting rod 21, so that the lens of the camera 20 Towards the bottom control button 30 of the on-load tap changer controller 22 , the camera 20 captures the operation process between the electromagnetic touch head 6 and the bottom control button 30 of the on-load tap change controller 22 , and records the operation process through the controller 16 Transmitted to the Internet for monitoring by the remote terminal 31.

Contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims (7)

1. A wireless remote control system for the on-load tap changer control box, which is characterized in that: it includes a horizontal spindle (1), a left vertical fixed shaft of the cabinet door (2), a right vertical fixed shaft of the cabinet door (3), and a touch control system. head vertical fixed shaft (4), electromagnetic touch head assembly plate (5), controller (16), and multiple electromagnetic touch heads (6), wherein the cabinet door left vertical fixed shaft (2) passes through the first The right-angle fastener (7) is assembled to the horizontal spindle (1), the right vertical fixed shaft (3) of the cabinet door is assembled to the horizontal main shaft (1) through the second right-angled fastener (8), and the touch head is vertically fixed to the shaft (4 ) is assembled to the horizontal spindle (1) through the third right-angle fastener (9). The vertical fixed axis (4) of the touch head is located between the left vertical fixed axis (2) of the cabinet door and the right vertical fixed axis (3) of the cabinet door. There are cabinet door fixing clips (17) on the tops of the cabinet door left vertical fixed shaft (2) and the cabinet door right vertical fixed shaft (3); The first right-angle fastener (7), the second right-angle fastener (8) and the third right-angle fastener (9) each include a horizontal main shaft hole (10) and a vertical fixed shaft hole (11). The horizontal main shaft hole (10) ) is provided with a first threaded hole on the side, and a first fastening bolt (12) is provided in the first threaded hole. A second threaded hole is provided on the side of the vertical fixed shaft hole (11), and a third threaded hole is provided in the second threaded hole. Two fastening bolts (13), the horizontal spindle (1) passes through the horizontal spindle holes (10) of the first right-angle fastener (7), the third right-angle fastener (9) and the second right-angle fastener (8) in sequence ) and is fixed by the corresponding first fastening bolt (12). The left vertical fixing shaft (2) of the cabinet door passes through the vertical fixing shaft hole (11) of the first right-angle fastener (7) and is fastened by the corresponding second fastening bolt (12). The bolt (13) is fixed, and the vertical fixing shaft (4) of the touch head passes through the vertical fixing shaft hole (11) of the third right-angle fastener (9) and is fixed by the corresponding second fastening bolt (13). The right side of the cabinet door The vertical fixed shaft (3) passes through the vertical fixed shaft hole (11) of the second right-angle fastener (8) and is fixed by the corresponding second fastening bolt (13); The electromagnetic touch head assembly plate (5) is provided with a horizontal through chute (14), and the bottoms of the plurality of electromagnetic touch heads (6) are provided with sliders (15). Each electromagnetic touch head The slider (15) of (6) is arranged in the horizontal through chute (14), and the control signal communication end of each electromagnetic touch head (6) is connected to the electromagnetic touch head control signal communication end of the controller (16). ; The plurality of electromagnetic touch heads (6) are used to perform touch and press operations on respective corresponding switches of the on-load tap changer controller (22) under the control of the controller (16); It also includes a wireless network communication module (29). The remote signal communication of the controller (16) is connected to the Internet through the wireless network communication module (29). 2. The wireless remote control system of the on-load tap changer control box according to claim 1, characterized in that: it also includes a camera fixed shaft (18) provided with a camera (20), the camera fixed shaft (18) It is assembled to the horizontal spindle (1) through a fourth right-angle fastener (19), which also includes a horizontal spindle hole (10) and a vertical fixed shaft hole (11). The horizontal spindle hole (10) ) is provided with a first threaded hole on the side, and a first fastening bolt (12) is provided in the first threaded hole. A second threaded hole is provided on the side of the vertical fixed shaft hole (11), and a third threaded hole is provided in the second threaded hole. Two fastening bolts (13), the camera fixing shaft (18) passes through the vertical fixing shaft hole (11) of the fourth right-angle fastener (19) and is fixed by the corresponding second fastening bolt (13), the horizontal spindle (1 ) passes through the horizontal spindle hole (10) of the fourth right-angle fastener (19) and is fixed by the corresponding first fastening bolt (12). The video communication end of the camera (20) is connected to the video of the controller (16) communication end. 3. The wireless remote control system of the on-load tap changer control box according to claim 2, characterized in that it also includes a camera adjustment rod (21), and the base of the camera (20) and the camera adjustment rod (21) The top end of the camera adjustment rod (21) is hinged with the top end of the camera fixed shaft (18). 4. The wireless remote control system of the on-load tap changer control box according to claim 1, characterized in that: each electromagnetic touch head (6) includes a shell (23), a spring (24), and a coil (25) and iron core (26), the coil (25) is coaxially fixed in the casing (23), the iron core (26) penetrates into the coil (25), and the top of the casing (23) is provided with an opening (27) , one end of the iron core (26) is fixedly connected to one end of the spring (24), the other end of the iron core (26) can extend out of the shell (23) through the opening (27), and the other end of the spring (24) is fixed on At the bottom of the casing (23), the controller (16) is used to control the power of the coil (25). When the control coil (25) is powered on, the iron core (26) extends out and presses the corresponding on-load tap changer controller ( 22) Bottom control buttons (30). 5. The wireless remote control system of the on-load tap changer control box according to claim 4, characterized in that: the slider (15) is an I-shaped slider, and the I-shaped slider is fixed on the housing (23) at the bottom, the horizontal penetrating chute (14) is disposed between the top left end and the right end of the electromagnetic touch head assembly plate (5) along the length direction of the horizontal main axis (1), and the horizontal penetrating chute (14) The top of the I-shaped slider is provided with a slider limit block (28) that limits the position of the I-shaped slider in the vertical direction. 6. A remote control method for the wireless remote control system of the on-load tap changer control box according to claim 1, characterized in that it includes the following steps: Step 1: According to the size of the cabinet door of the on-load tap changer controller (22), adjust the positions of the left vertical fixed shaft (2) of the cabinet door and the right vertical fixed shaft (3) of the cabinet door on the horizontal main axis (1) so that Adjust the cabinet door fixing clips (17) on the top of the cabinet door's left vertical fixed shaft (2) and the cabinet door's right vertical fixed shaft (3) to clamp the left and right sides of the cabinet door of the on-load tap changer controller (22); Step 2: Adjust the position of the vertical fixed axis (4) of the touch head on the horizontal spindle (1) according to the specific position of the on-load tap changer controller (22) in the cabinet door, so that the vertical fixed axis (4) of the touch head ) The electromagnetic touch head assembly plate (5) on the top is located directly below the on-load tap changer controller (22); Step 3: According to the position of each bottom control button (30) in the on-load tap changer controller (22), adjust the position of each electromagnetic touch head (6) in the horizontal through chute (14) so that the on-load tap changer Corresponding electromagnetic touch heads (6) are provided below each bottom control button (30) in the tap changer controller (22); Step 4: According to the control needs of the on-load tap changer controller (22), send the control instruction of the electromagnetic touch head to the controller (16) on the remote terminal (31) through the Internet, and the controller (16) receives the The control command of the electromagnetic touch head controls the corresponding electromagnetic touch head (6) to extend and press the bottom control button (30) of the designated on-load tap changer controller (22). 7. The remote control method of the on-load tap changer control box wireless remote control system according to claim 6, characterized in that in step 4, the position of the camera fixed axis (18) on the horizontal main axis (1) is adjusted , and adjust the angle between the camera fixed shaft (18) and the camera adjustment rod (21), as well as the angle between the camera (20) and the camera adjustment rod (21), so that the lens of the camera (20) faces the on-load tap changer controller (22) ), the camera (20) takes pictures of the operation process between the electromagnetic touch head (6) and the bottom control button (30) of the on-load tap changer controller (22), and controls the The server (16) transmits it to the Internet for monitoring by the remote terminal (31).