A multifunctional high-voltage detection device

Abstract

The present invention belongs to the technical field of high-voltage detection, and specifically relates to a multifunctional high-voltage detection device, including a fixing plate and a fixing frame. The fixing frame is installed on the top side of the fixing plate; a guiding hole is provided on the top side wall of the fixing frame. A shear force band is connected to the bottom side of the slider. By cross-pulling the two shear force bands, the measurement wire end can be wrapped. Through the contact between the electrode plate and the wire end, the measurement result is displayed by the measuring meter, improving the stability of the measurement contact. The second piston slides in the detection cylinder, and with the cooperation of the piston rod, the electrode ball is pushed. After the pushing, the electrode ball contacts the conductive plate, enabling the warning light to be energized and shine. After the warning light shines normally, when the measurement personnel approach the measurement device to observe the measurement data, unmanned operation can be realized, avoiding electric shock accidents of the detection personnel. The detection process is stable and safe, better protecting the operating personnel, being able to provide timely protection, and improving the operation safety.

Description

Technical Field

[0001] The present invention belongs to the technical field of high-voltage detection, and specifically relates to a multifunctional high-voltage detection device. Background Art

[0002] High-voltage testing, also known as high-voltage test, and partial discharge test are non-destructive test items. Currently, there are two types of test methods. One is to use power frequency withstand voltage as the pre-excitation voltage, reduce it to the partial discharge test voltage, and maintain it for several minutes to measure the partial discharge quantity. The other is to use Um as the pre-excitation voltage, reduce it to the partial discharge test voltage, and maintain it for 1 hour to measure the partial discharge quantity.

[0003] In the prior art, there have also been some technical solutions related to pipelines. For example, a Chinese patent with the application number CN 108919078A discloses a high-voltage detection device, which includes a machine platform, a conveying unit, a withstand voltage unit, a station support group unit, and a pressure application unit. The conveying unit and the station support group unit are arranged on the machine platform, and the discharge end of the conveying unit is transitionally connected to the feed end of the station support group unit. The pressure application unit is installed above the station support group unit, and the high-voltage plate connection blocks on the pressure application unit and the station support group unit are connected to the withstand voltage unit. Through the design integration and optimization of the conveying unit, the station support group unit, the pressure application unit, the withstand voltage detection unit, the detection output unit, and the PLC control unit, the entire process of high-voltage detection is automatically realized, greatly reducing the labor force, reducing manual participation, avoiding the occurrence of safety accidents, making the detection process safe and reliable, having high accuracy of detection results, and significantly improving the detection efficiency. In the above invention, during detection, manual operation of the equipment is required. Personnel are around the detection equipment during the detection process. In case of an accident during detection, it is not easy to escape, and safety accidents are likely to occur. During the detection process, the high-voltage circuit is prone to cause a fire, and it cannot be covered and processed in time, resulting in the expansion of the accident range and posing a threat to the safety of the operator.

[0004] Regarding the problems in the above invention, during detection, manual operation of the equipment is required. Personnel are around the detection equipment during the detection process. In case of an accident during detection, it is not easy to escape, and safety accidents are likely to occur. During the detection process, the high-voltage circuit is prone to cause a fire, and it cannot be covered and processed in time, resulting in the expansion of the accident range and posing a threat to the safety of the operator, and the safety effect during use is not good.

[0005] Therefore, the present invention provides a multifunctional high-voltage detection device. Summary of the Invention

[0006] In order to make up for the deficiencies of the prior art and solve the problems that it is not easy to escape in case of an accident during detection, safety accidents are likely to occur, during the detection process, the high-voltage circuit is prone to cause a fire, it cannot be covered and processed in time, resulting in the expansion of the accident range and posing a threat to the safety of the operator, and the safety effect during use is not good, the present invention proposes a multifunctional high-voltage detection device.

[0007] The technical solution adopted by the present invention to solve its technical problems is as follows: A multifunctional high-voltage detection device described in the present invention includes a fixing plate and a fixing frame. The fixing frame is installed on the top side of the fixing plate; a guiding hole is provided on the top side wall of the fixing frame, a slider is arranged in the guiding hole, a cylinder is installed on the top of the fixing frame, the acting end of the cylinder is connected to the slider, a shear belt is connected to the bottom side of the slider, one end of the shear belt is fixedly adhered to the fixing plate, an electrode plate is adhered to the shear belt, a limiting plate is fixed on the top side of the fixing plate, and a first spring is fixedly connected between the limiting plate and the shear belt.

[0008] Preferably, two shear belts are arranged inside the fixing frame, and the two shear belts are arranged in a crosswise manner up and down.

[0009] Preferably, a measuring meter is installed on the fixing frame, a power connection block is installed on the top side of the fixing plate, and an electric clamp is connected to the power connection block.

[0010] Preferably, a support frame is installed on the top side of the fixing frame, an extrusion cylinder is installed on the support frame, a guiding rod is fixed between the upper and lower inner walls of the extrusion cylinder, a first piston is sleeved on the guiding rod, a second spring is fixed between the first piston and the top inner wall of the extrusion cylinder, an air pump is installed on the top of the extrusion cylinder, and the air pump is connected to the top of the extrusion cylinder through a conduit.

[0011] Preferably, a detection cylinder is installed at the bottom of the extrusion cylinder, a piston rod penetrates through one end wall of the detection cylinder, a second piston is fixed at one end of the piston rod, an electrode ball is fixed at the other end of the piston rod, a third spring is fixedly connected between the second piston and the inner wall of one end of the detection cylinder, an installation plate is installed on the support frame, and a warning light and a conductive plate are respectively installed on both sides of the installation plate.

[0012] Preferably, the warning light is arranged opposite to the conductive plate, and the electrode ball, the warning light, the conductive plate and the reserve power supply are connected through wires.

[0013] Preferably, the detection cylinder is communicated with the bottom of the extrusion cylinder, and the extrusion cylinder is respectively connected to the cylinder through a conduit.

[0014] Preferably, a trigger cylinder is fixed on the top side of the support frame, a first connecting pipe and a second connecting pipe are respectively connected to both sides of the middle of the trigger cylinder, connection terminals are respectively fixed on both sides of the bottom of the trigger cylinder, a fuse wire is fixedly connected between the two connection terminals, a gasket is arranged on the fuse wire, and a damping block is fixed on the gasket. The damping block is arranged between the first connecting pipe and the second connecting pipe.

[0015] Preferably, a spray pipe is fixed to the top side of the support frame. A dry powder box is arranged inside the spray pipe. The dry powder box is connected to the second connecting pipe, and the first connecting pipe is connected to the extrusion cylinder.

[0016] Preferably, the measuring instrument, the electrode plate, the connecting terminal and the fuse are connected by wires.

[0017] The beneficial effects of the present invention are as follows:

[0018] For a multifunctional high-voltage detection device of the present invention, the terminal of the circuit to be measured is placed between two shear bands. The air pump is started to operate, and air is introduced into the extrusion cylinder. After the air is introduced, the first piston is pushed downward. The air at the bottom of the extrusion cylinder is filled into the two cylinders. After the cylinders are filled with air, the action rod is pushed, and the slider on the fixed frame slides along the sliding hole. During the sliding process, the two shear bands are cross-pulled to wrap the measurement wire end. Through the contact between the electrode plate and the wire end, the measurement result is displayed by the measuring instrument, improving the stability of the measurement contact;

[0019] During the measurement process, the personnel withdraw. When the cylinders are filled with air and after binding the measurement wire end, the extrusion cylinder is further pressurized. After the pressurization, the second piston in the detection cylinder is pressurized. After the pressurization, the second piston slides in the detection cylinder. With the cooperation of the piston rod, the electrode ball is pushed. After the push, the electrode ball contacts the conductive plate, and the warning light is powered on and shines. After the warning light shines normally, the measurement personnel approach the measurement device to observe the measurement data, which can realize unmanned operation, avoid electric shock accidents of the detection personnel, and the detection process is stable and safe, better protecting the operating personnel;

[0020] When detecting overvoltage, the fuse melts. After the fuse melts, the gasket loses support, and the damping block slides downward along the trigger cylinder. After the sliding, the first connecting pipe and the second connecting pipe are communicated, and the high-pressure gas at the bottom of the extrusion cylinder is instantaneously introduced into the spray pipe. The high-pressure gas blows the dry powder box, and the dry powder quickly diffuses at the detection position, avoiding the occurrence of fire at the detection position, being able to play a protective effect in time, avoiding the occurrence of electric fires, better protecting the operating environment, realizing the protection of the operating personnel, and improving the operating safety. Description of the Drawings

[0021] The present invention will be further described below with reference to the accompanying drawings.

[0022] Figure 1 is the front three-dimensional view of the present invention;

[0023] Figure 2 is the side three-dimensional view of the present invention;

[0024] Figure 3 is the overall cross-sectional view of the present invention;

[0025] Figure 4 It is the structural diagram of the wire end clamping in the present invention;

[0026] Figure 5 It is in the present invention Figure 3 The structural diagram of area A;

[0027] Figure 6 It is in the present invention Figure 3 The structural diagram of area B;

[0028] Figure 7 It is in the present invention Figure 2 The structural diagram of area C;

[0029] In the figure: 1. Fixed plate; 2. Power connection block; 3. Electric clamp; 4. Fixed frame; 5. Slide block; 6. Cylinder; 7. Measuring instrument; 8. First spring; 9. Electrode plate; 10. Limit plate; 11. Shear band; 12. Support frame; 13. Air pump; 14. Dry powder box; 15. Spray pipe; 16. Guide rod; 17. Second spring; 18. Extrusion cylinder; 19. First piston; 101. Detection cylinder; 102. Second piston; 103. Third spring; 104. Electrode ball; 105. Mounting plate; 106. Warning lamp; 107. Conductive plate; 201. Trigger cylinder; 202. Damping block; 203. First connecting pipe; 204. Gasket; 205. Connection terminal; 206. Fuse; 207. Second connecting pipe. Specific embodiments

[0030] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0031] Embodiment

[0032] As Figures 1 to 7As shown in the figure, a multifunctional high-voltage detection device of the present invention includes a fixing plate 1 and a fixing frame 4. The fixing frame 4 is installed on the top side of the fixing plate 1. A guiding hole is provided on the top side wall of the fixing frame 4. A slider 5 is arranged in the guiding hole. A cylinder 6 is installed on the top of the fixing frame 4. The acting end of the cylinder 6 is connected to the slider 5. A shear band 11 is connected to the bottom side of the slider 5. One end of the shear band 11 is fixedly adhered to the fixing plate 1. An electrode plate 9 is adhered to the shear band 11. A limiting plate 10 is fixed on the top side of the fixing plate 1. A first spring 8 is fixedly connected between the limiting plate 10 and the shear band 11. Two shear bands 11 are arranged inside the fixing frame 4, and the two shear bands 11 are arranged in a crosswise manner up and down. During operation, the air pump 13 is started to operate, and air is introduced into the extrusion cylinder 18. After the air is introduced, the first piston 19 is pushed downward. The air at the bottom of the extrusion cylinder 18 is filled into the two cylinders 6. After the cylinders 6 are filled with air, the acting rod is pushed, and the slider 5 on the fixing frame 4 is pushed to slide along the sliding hole. During the sliding process, the two shear bands 11 are crosswise pulled, so as to wrap the measurement wire end. Through the contact between the electrode plate 9 and the wire end, the measurement result is displayed by the measuring meter 7.

[0033] A measuring meter 7 is installed on the fixing frame 4. A power connection block 2 is installed on the top side of the fixing plate 1. An electric clamp 3 is connected to the power connection block 2. A support frame 12 is installed on the top side of the fixing frame 4. An extrusion cylinder 18 is installed on the support frame 12. A guiding rod 16 is fixed between the upper and lower inner walls of the extrusion cylinder 18. A first piston 19 is sleeved on the guiding rod 16. A second spring 17 is fixed between the first piston 19 and the top inner wall of the extrusion cylinder 18. An air pump 13 is installed on the top of the extrusion cylinder 18. The air pump 13 is connected to the top of the extrusion cylinder 18 through a conduit.

[0034] A detection cylinder 101 is installed at the bottom of the extrusion cylinder 18. A piston rod penetrates through one end cylinder wall of the detection cylinder 101. A second piston 102 is fixed to one end of the piston rod, and an electrode ball 104 is fixed to the other end of the piston rod. A third spring 103 is fixedly connected between the second piston 102 and the inner wall of one end of the detection cylinder 101. A mounting plate 105 is installed on the support frame 12. A warning light 106 and a conductive plate 107 are respectively installed on both sides of the mounting plate 105. The warning light 106 is arranged opposite to the conductive plate 107. The electrode ball 104, the warning light 106, the conductive plate 107 and the reserve power supply are connected by wires. The detection cylinder 101 is communicated with the bottom of the extrusion cylinder 18. The extrusion cylinder 18 is respectively connected with the air cylinder 6 through a conduit. During operation, when the air cylinder 6 is inflated, after binding the measurement wire end, continue to pressurize the extrusion cylinder 18. After pressurization, the second piston 102 in the detection cylinder 101 is pressurized. After pressurization, the second piston 102 slides in the detection cylinder 101. With the cooperation of the piston rod, the electrode ball 104 is pushed. After being pushed, the electrode ball 104 contacts the conductive plate 107, realizing the energized flashing of the warning light 106. After the warning light 106 normally flashes, the measurement personnel approach the measuring device to observe the measurement data, which can realize unmanned operation, avoid electric shock accidents of the detection personnel, ensure the stability and safety of the detection process, and better protect the operators.

[0035] A trigger cylinder 201 is fixed to the top side of the support frame 12. A first connecting pipe 203 and a second connecting pipe 207 are respectively connected to both sides of the middle part of the trigger cylinder 201. Connecting terminals 205 are respectively fixed to both sides of the bottom of the trigger cylinder 201. A fuse 206 is fixedly connected between the two connecting terminals 205. A gasket 204 is arranged on the fuse 206, and a damping block 202 is fixed to the gasket 204. The damping block 202 is arranged between the first connecting pipe 203 and the second connecting pipe 207. A spraying pipe 15 is fixed to the top side of the support frame 12. A dry powder box 14 is arranged inside the spraying pipe 15. The dry powder box 14 is connected to the second connecting pipe 207. The first connecting pipe 203 is connected to the extrusion cylinder 18. The measuring meter 7, the electrode piece 9, the connecting terminal 205 and the fuse 206 are connected by wires. During operation, when the fuse 206 melts, after the fuse 206 melts, the gasket 204 loses support, and the damping block 202 slides downward along the trigger cylinder 201. After sliding, the first connecting pipe 203 and the second connecting pipe 207 are communicated. The high-pressure gas at the bottom of the extrusion cylinder 18 is instantaneously introduced into the spraying pipe 15. The high-pressure gas blows the dry powder box 14, and the dry powder quickly diffuses at the detection position, avoiding fire at the detection position, being able to play a protective role in time, avoiding electric power fire, better protecting the operation environment, realizing the protection of the operators, and improving the operation safety.

[0036] During operation, with the cooperation of the electric clamp 3, the power connection block 2 is lapped on one end of the circuit, and the terminal of the circuit to be measured is placed between the two shear bands 11. At this time, the air pump 13 is started to operate, and air is introduced into the inside of the extrusion cylinder 18. After the air intake, the first piston 19 is pushed downward. The air at the bottom of the extrusion cylinder 18 is filled into the two cylinders 6. After the cylinders 6 are inflated, the action rod is pushed, and the slider 5 on the fixed frame 4 slides along the sliding hole. During the sliding process, the two shear bands 11 are cross-pulled to wrap the measurement wire end. Through the contact between the electrode piece 9 and the wire end, the measurement result is displayed by the measuring meter 7, improving the stability of the measurement contact;

[0037] During the measurement process, the personnel withdraw. When the cylinders 6 are inflated and the measurement wire end is bound, the extrusion cylinder 18 is continuously pressurized. After the pressurization, the second piston 102 in the detection cylinder 101 is pressurized. After the pressurization, the second piston 102 slides in the detection cylinder 101. With the cooperation of the piston rod, the electrode ball 104 is pushed. After the push, the electrode ball 104 contacts the conductive plate 107, realizing the energization and flashing of the warning light 106. After the warning light 106 flashes normally, the measurement personnel approach the measurement equipment to observe the measurement data, enabling unmanned operation, avoiding electric shock accidents of the detection personnel, and ensuring stable and safe detection process, better protecting the operators;

[0038] When detecting overvoltage, the fuse 206 melts. After the fuse 206 melts, the gasket 204 loses support, and the damping block 202 slides downward along the trigger cylinder 201. After the sliding, the first connecting pipe 203 and the second connecting pipe 207 are connected, and the high-pressure gas at the bottom of the extrusion cylinder 18 is instantaneously introduced into the injection pipe 15. The high-pressure gas blows the dry powder box 14, and the dry powder quickly diffuses at the detection position, avoiding fire at the detection position, being able to provide timely protection, preventing electric fires, better protecting the working environment, realizing the protection of the operators, and improving the operation safety.

[0039] The above front, back, left, right, up, and down are all based on the Figure 1 description drawings of the specification. Taking the perspective of the person observing as the standard, the side of the device facing the observer is defined as the front, and the left side of the observer is defined as the left, and so on.

[0040] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the protection scope of the present invention.

[0041] The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional high-voltage detection device, comprising a fixing plate (1) and a fixing frame (4), wherein the fixing frame (4) is installed on the top side of the fixing plate (1); characterized in that: A guide hole is provided in the top side wall of the fixed frame (4), a slider (5) is arranged in the guide hole, a cylinder (6) is installed on the top of the fixed frame (4), the acting end of the cylinder (6) is connected to the slider (5), a shear belt (11) is connected to the bottom side of the slider (5), one end of the shear belt (11) is adhesively fixed to the fixed plate (1), an electrode plate (9) is adhered to the shear belt (11), a limiting plate (10) is fixed to the top side of the fixed plate (1), and a first spring (8) is fixedly connected between the limiting plate (10) and the shear belt (11); A support frame (12) is installed on the top side of the fixed frame (4), an extrusion cylinder (18) is installed on the support frame (12), a guide rod (16) is fixed between the upper and lower inner walls of the extrusion cylinder (18), a first piston (19) is sleeved on the guide rod (16), a second spring (17) is fixed between the first piston (19) and the top inner wall of the extrusion cylinder (18), an air pump (13) is installed on the top of the extrusion cylinder (18), and the air pump (13) is connected to the top of the extrusion cylinder (18) through a conduit; A trigger cylinder (201) is fixed to the top side of the support frame (12), a first connecting pipe (203) and a second connecting pipe (207) are respectively connected to the two sides of the middle of the trigger cylinder (201), connecting terminals (205) are respectively fixed to the two sides of the bottom of the trigger cylinder (201), a fuse wire (206) is fixedly connected between the two connecting terminals (205), a gasket (204) is arranged on the fuse wire (206), a damping block (202) is fixed to the gasket (204), and the damping block (202) is arranged between the first connecting pipe (203) and the second connecting pipe (207); A spray pipe (15) is fixed to the top side of the support frame (12), a dry powder box (14) is arranged inside the spray pipe (15), the dry powder box (14) is connected to the second connecting pipe (207), and the first connecting pipe (203) is connected to the extrusion cylinder (18).

2. A multifunctional high-voltage detection device according to claim 1, characterized in that: Two shear belts (11) are arranged inside the fixed frame (4), and the two shear belts (11) are arranged in a vertically crossed manner.

3. A multifunctional high-voltage detection device according to claim 1, characterized in that: A measuring meter (7) is installed on the fixed frame (4), a power connection block (2) is installed on the top side of the fixed plate (1), and an electric clamp (3) is connected to the power connection block (2).

4. A multifunctional high-voltage detection device according to claim 1, characterized in that: A detection cylinder (101) is installed on the bottom of the extrusion cylinder (18), a piston rod penetrates through one end cylinder wall of the detection cylinder (101), a second piston (102) is fixed to one end of the piston rod, an electrode ball (104) is fixed to the other end of the piston rod, a third spring (103) is fixedly connected between the second piston (102) and the inner wall of one end of the detection cylinder (101), a mounting plate (105) is installed on the support frame (12), and a warning lamp (106) and a conductive plate (107) are respectively installed on the two sides of the mounting plate (105).

5. A multifunctional high-voltage detection device according to claim 4, characterized in that: The warning light (106) is arranged on the opposite side of the conductive plate (107), and the electrode ball (104), warning light (106), conductive plate (107) and reserve power supply are connected by wires.

6. A multifunctional high-voltage detection device according to claim 4, characterized in that: The detection cylinder (101) is communicated with the bottom of the extrusion cylinder (18), and the extrusion cylinder (18) is respectively connected with the air cylinder (6) through a conduit.

7. The multifunctional high-voltage detection device according to claim 3, wherein: The measuring instrument (7), electrode plate (9), connection terminal (205) and fuse (206) are connected by wires.

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