A smart meter anti-electricity theft detection device

Abstract

The present invention relates to the field of electric meter detection, and in particular to an anti-electricity theft detection device for a smart meter. In order to solve the technical problem that it is difficult for electricians to troubleshoot the electricity theft module concealed in the smart meter using a conventional clamp ammeter. The present invention provides such an anti-electricity theft detection device for a smart meter, including a current detection unit and an auxiliary winding unit, etc.; the upper side of the telescopic unit is connected to a current detection unit for detecting the current value in a narrow area. The anti-electricity theft detection device is detachably mounted on the back of the clamp ammeter. Through the arrangement of a retractable small current clamp, it can flexibly perform current detection on the lines connected to the smart meter and located in a narrow area in the wall. In addition, the small current clamp component is designed to be angle-adjustable, which can conveniently perform winding on the lines in the narrow area in the wall, thereby improving the detection accuracy of the small current lines in the narrow area in the wall.

Description

Technical Field

[0001] The present invention relates to the field of electric meter detection, and in particular to an anti-electricity theft detection device for an intelligent electric meter. Background Art

[0002] In order to accurately locate users who steal electricity, protect the circuit safety of the national power grid, and the property safety of the national power, electricians need to conduct anti-electricity theft detection on the smart meters used by each user one by one to check whether the user has stolen electricity.

[0003] When conducting anti-electricity theft detection work of smart meters, electricians usually use clamp ammeters to detect current at the connection terminals of the smart meters, and compare the currents at the input and output terminals to determine whether the user has installed an additional electricity theft module to steal electricity. Since the smart meters of each user are closely installed together, and some electricity theft modules are installed relatively concealed, electricians have to break open the wall when necessary to further detect and troubleshoot the lines in the wall. Therefore, due to space limitations, it is difficult for electricians to troubleshoot the electricity theft modules concealed in the smart meters.

[0004] In addition, some electricity-stealing modules steal a small amount of current, so the circuit to be tested needs to be wound around a clamp-on ammeter to amplify the current and improve the accuracy of current detection. However, conventional clamp-on ammeters are difficult to wind around circuits in a small space, which also makes it difficult for electricians to troubleshoot electricity-stealing modules concealed in smart meters. Summary of the invention

[0005] In order to overcome the disadvantage that it is difficult for electricians to detect the electricity theft module concealed in the smart meter by using a conventional clamp ammeter, the present invention provides an anti-electricity theft detection device for a smart meter.

[0006] The technical solution of the present invention is: an intelligent electric meter anti-electricity theft detection device, including a telescopic unit, a current detection unit, an auxiliary winding unit, a clamp ammeter, a main current clamp, a wiring port and a clamping and fixing plate; the left part of the lower side and the right part of the lower side of the clamp ammeter are each connected to a main current clamp; the left part of the upper side and the right part of the upper side of the clamp ammeter are each provided with a wiring port; the back of the clamp ammeter is connected to a clamping and fixing plate; the inside of the clamping and fixing plate is connected to a telescopic unit for telescopic detection component length; the upper side of the telescopic unit is connected to a current detection unit for detecting the current value in a narrow area; the right side of the telescopic unit is connected to an auxiliary winding unit for winding a circuit of an auxiliary detection component; the upper side of the auxiliary winding unit is connected to the current detection unit.

[0007] A further technical solution is that the telescopic unit includes a telescopic slide rod, a sleeve, an electric turntable, a first sliding bracket, a first return spring, a first fixed frame, a positioning clamp and a first pull buckle; the telescopic slide rod is slidably connected to the inside of the clamping fixed plate; the lower end of the telescopic slide rod is fixedly connected to the electric turntable; the upper end of the telescopic slide rod is connected to the electric turntable; the electric turntable is connected to the current detection unit; the electric turntable is connected to the auxiliary winding unit; the left part of the upper side of the clamping fixed plate is slidably connected to the first sliding bracket; the first return spring is fixedly connected between the first sliding bracket and the clamping fixed plate; the upper side of the first sliding bracket is fixedly connected to the first fixed frame; the positioning clamp is fixedly connected to the right side of the first fixed frame; the right side arc surface of the positioning clamp is tightly attached to the current detection unit; the left side of the first fixed frame is fixedly connected to the first pull buckle.

[0008] According to a further technical solution, the positioning splint is an arc-shaped structure.

[0009] A further technical solution is that the current detection unit includes a support rod, a second fixed frame, a left clamping assembly and a right clamping assembly; the upper side of the electric turntable is connected to the support rod; the right arc surface of the positioning clamp is close to the support rod; the upper end of the support rod is fixedly connected to the second fixed frame; the left part of the upper side of the second fixed frame is connected to the left clamping assembly; the right part of the upper side of the second fixed frame is connected to the right clamping assembly; the right part of the front side of the second fixed frame is connected to the auxiliary winding unit; the left clamping assembly contacts the right clamping assembly.

[0010] A further technical solution is that the left clamping assembly includes a third fixed frame, a driving motor, a rotating shaft, a left current clamp and a left push block; the third fixed frame is fixedly connected to the left part of the upper side of the second fixed frame; the driving motor is fixedly connected to the rear part of the upper side of the third fixed frame; the upper side of the third fixed frame is rotatably connected to the rotating shaft; the output shaft of the driving motor is fixedly connected to the rotating shaft; the rear part of the rotating shaft is fixedly connected to the left current clamp; the lower part of the right side of the left current clamp is fixedly connected to the left push block; the left current clamp and the left push block both contact the right clamping assembly.

[0011] A further technical solution is that the right clamping assembly includes a fourth fixing frame, a universal ball head, a right current clamp, a side bracket, a compression spring, a front push block and a right push block; the fourth fixing frame is fixedly connected to the right part of the upper side of the second fixing frame; a universal ball head is embedded in the upper side of the fourth fixing frame; the front rod end of the universal ball head is fixedly connected to the right current clamp; the lower part of the right side of the right current clamp is fixedly connected to the side bracket; a compression spring is fixedly connected between the side bracket and the fourth fixing frame; the front push block is fixedly connected to the front side of the side bracket; the right push block is fixedly connected to the lower part of the left side of the side bracket; the left current clamp is in contact with the right current clamp; the left push block is in contact with the right push block.

[0012] According to a further technical solution, a bump structure is provided on the left portion of the upper side of the right current clamp.

[0013] According to a further technical solution, a plug-in slot corresponding to the protrusion on the upper side of the right current clamp is provided on the right side of the upper side of the left current clamp.

[0014] A further technical solution is that the auxiliary winding unit includes a pull rod, a second pull buckle, a fixed ball head, a second sliding bracket, a bottom push block, a lower push plate and an upper push plate; the right part of the electric turntable is slidably connected to the pull rod; the lower end of the pull rod is fixedly connected to the second pull buckle; the upper end of the pull rod is fixedly connected to the fixed ball head; the right part of the front side of the second fixed bracket is slidably connected to the second sliding bracket; the lower end of the second sliding bracket is fixedly connected to the bottom push block; the upper part of the second sliding bracket is fixedly connected to the lower push plate; the upper end of the second sliding bracket is fixedly connected to the upper push plate; the front push block is located between the lower push plate and the upper push plate.

[0015] A further technical solution also includes a wire-tensioning unit, which is provided on the second fixed frame, and the wire-tensioning unit includes an outer rotor motor, a fixed block, a fixed rod, a third sliding bracket, a second return spring and a claw hook; the outer rotor motor is connected to the right side of the second fixed frame; the fixed block is fixedly connected to the right side of the outer rotor motor; the fixed rod is fixedly connected to the front side of the fixed block; the upper end of the fixed rod is slidably connected to the third sliding bracket; the second return spring is fixedly connected between the rear part of the upper side of the third sliding bracket and the fixed rod; and the upper end of the third sliding bracket is fixedly connected to the claw hook. Beneficial Effects

[0016] Compared with the prior art, the technical solution has the following advantages: the anti-electricity theft detection device is detachably mounted on the back of the clamp-type ammeter, and is convenient for switching detection tools. The retractable small current clamp can be flexibly connected to the smart meter and located in a small area of ​​the wall for current detection, thereby reducing the degree of damage to the wall by electricians and reducing the cost of repairing the wall. In addition, the small current clamp component is designed to be angle-adjustable. Electricians can manually adjust the inclination of the small current clamp component, so that they can conveniently wind the line in the small area of ​​the wall, thereby improving the detection accuracy of the small current line in the small area of ​​the wall, and improving the efficiency of the inspection of the electricity theft module concealed in the smart meter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the first three-dimensional structure of the anti-electricity theft detection device;

[0018] Figure 2 This is a schematic diagram of a second three-dimensional structure of the anti-electricity theft detection device;

[0019] Figure 3 This is a partial cross-sectional view of the anti-electricity theft detection device;

[0020] Figure 4This is a schematic diagram of the three-dimensional structure of the telescopic unit of the anti-electricity theft detection device;

[0021] Figure 5 This is a schematic diagram of the three-dimensional structure of the current detection unit of the anti-electricity theft detection device;

[0022] Figure 6 This is a schematic diagram of the three-dimensional structure of the auxiliary winding unit of the anti-electricity theft detection device;

[0023] Figure 7 This is a schematic diagram of the three-dimensional structure of the wire-twisting unit of the anti-electricity theft detection device;

[0024] Figure 8 This is a schematic diagram of the first working state of the anti-electricity theft detection device;

[0025] Fig. 9 This is a schematic diagram of the second working state of the anti-electricity theft detection device;

[0026] Fig.10 This is a schematic diagram of the third working state of the anti-electricity theft detection device.

[0027] Parts names and serial numbers in the figure: 1-clamp ammeter, 11-main current clamp, 12-wiring port, 2-clamping fixed plate, 101-telescopic slide bar, 102-card sleeve, 103-electric turntable, 104-first sliding bracket, 105-first return spring, 106-first fixing frame, 107-positioning clamp, 108-first pull buckle, 201-support rod, 202-second fixing frame, 203-third fixing frame, 204-driving motor, 205-rotating shaft, 206-left current clamp, 207-left push block, 2 08-the fourth fixed bracket, 209-universal ball head, 210-right current clamp, 211-side bracket, 212-compression spring, 213-front push block, 214-right push block, 301-pull rod, 302-second pull buckle, 303-fixed ball head, 304-second sliding bracket, 305-bottom push block, 306-lower push plate, 307-upper push plate, 401-outer rotor motor, 402-fixed block, 403-fixed rod, 404-third sliding bracket, 405-second return spring, 406-claw hook. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example 1

[0029] A smart meter anti-electricity theft detection device, such as Figure 1-2 As shown, it includes a telescopic unit, a current detection unit, an auxiliary winding unit, a clamp ammeter 1, a main current clamp 11, a wiring port 12 and a clamping plate 2; the left part of the lower side and the right part of the lower side of the clamp ammeter 1 are each connected to a main current clamp 11; the left part of the upper side and the right part of the upper side of the clamp ammeter 1 are each provided with a wiring port 12; a clamping plate 2 is hung on the back of the clamp ammeter 1; the inside of the clamping plate 2 is connected to the telescopic unit; the upper side of the telescopic unit is connected to the current detection unit; the right side of the telescopic unit is connected to the auxiliary winding unit; the upper side of the auxiliary winding unit is connected to the current detection unit.

[0030] like Figure 3-4 As shown, the telescopic unit includes a telescopic slide bar 101, a clamping sleeve 102, an electric turntable 103, a first sliding bracket 104, a first return spring 105, a first fixing frame 106, a positioning clamping plate 107 and a first pull buckle 108; the inner sliding connection of the clamping fixing plate 2 is connected with the telescopic slide bar 101; the clamping sleeve 102 is welded to the lower end of the telescopic slide bar 101; the upper end of the telescopic slide bar 101 is connected with the electric turntable 103; the electric turntable 103 is connected to the current detection unit; the electric turntable 103 is connected to the auxiliary Winding unit; the first sliding bracket 104 is slidably connected to the left part of the upper side of the clamping fixing plate 2; a first return spring 105 is fixedly connected between the first sliding bracket 104 and the clamping fixing plate 2; the first fixing frame 106 is fixedly connected to the upper side of the first sliding bracket 104; the right side of the first fixing frame 106 is bolted with a positioning clamp 107; the right side arc surface of the positioning clamp 107 is tightly attached to the current detection unit; a first buckle 108 is welded to the left side of the first fixing frame 106; the positioning clamp 107 is an arc-shaped structure.

[0031] like Figure 4 As shown, the current detection unit includes a support rod 201, a second fixed frame 202, a left clamping assembly and a right clamping assembly; the upper side of the electric turntable 103 is connected to the support rod 201; the right side arc surface of the positioning clamp 107 is close to the support rod 201; the upper end of the support rod 201 is fixedly connected to the second fixed frame 202; the left part of the upper side of the second fixed frame 202 is connected to the left clamping assembly; the right part of the upper side of the second fixed frame 202 is connected to the right clamping assembly; the right part of the front side of the second fixed frame 202 is connected to the auxiliary winding unit; the left clamping assembly contacts the right clamping assembly.

[0032] like Figure 4-5As shown, the left clamping assembly includes a third fixing frame 203, a driving motor 204, a rotating shaft 205, a left current clamp 206 and a left pushing block 207; the third fixing frame 203 is connected to the left bolt on the upper side of the second fixing frame 202; the driving motor 204 is connected to the rear bolt on the upper side of the third fixing frame 203; the upper side of the third fixing frame 203 is rotatably connected to the rotating shaft 205; the output shaft of the driving motor 204 is fixedly connected to the rotating shaft 205; the rear part of the rotating shaft 205 is fixedly connected to the left current clamp 206; the lower part of the right side of the left current clamp 206 is fixedly connected to the left pushing block 207; the left current clamp 206 and the left pushing block 207 both contact the right clamping assembly.

[0033] like Figure 5-6 As shown, the right clamping assembly includes a fourth fixing frame 208, a universal ball head 209, a right current clamp 210, a side bracket 211, a compression spring 212, a front push block 213 and a right push block 214; the fourth fixing frame 208 is connected to the right bolt on the upper side of the second fixing frame 202; the universal ball head 209 is embedded on the upper side of the fourth fixing frame 208; the right current clamp 210 is fixedly connected to the front rod end of the universal ball head 209; the lower part of the right side of the right current clamp 210 is fixedly connected to the side bracket 211; the compression spring 212 is fixedly connected between the side bracket 211 and the fourth fixing frame 208; the front push block 213 is fixedly connected to the front side of the side bracket 211; the right push block 214 is fixedly connected to the lower part of the left side of the side bracket 211; the left current clamp 206 is in contact with the right current clamp 210; the left push block 207 is in contact with the right push block 214.

[0034] like Fig. 9 As shown, a protrusion structure is provided on the left portion of the upper side of the right current clamp 210 ; and a plug-in slot corresponding to the protrusion on the upper side of the right current clamp 210 is provided on the right portion of the upper side of the left current clamp 206 .

[0035] When performing anti-electricity theft detection work on the smart meter, the electrician first operates the two main current clamps 11 in the clamp ammeter 1 to perform current detection work on the connection terminals of the smart meter, and then detects the power, voltage and other states of the smart meter in turn through the external detection circuit on the two connection ports 12 in the clamp ammeter 1.

[0036] When the electrician needs to perform current detection on the line connected to the smart meter and located in a narrow area inside the wall, the electrician disconnects the detection line externally connected to the wiring port 12, loosens the main current clamp 11 from the wiring terminal of the smart meter, sets the clamping plate 2 on the back of the clamp ammeter 1, and then pulls out the first buckle 108 to the left, driving the first sliding bracket 104 and the first return spring 105 to be compressed to the left along the clamping plate 2, so that the positioning clamp 107 releases the support rod 201, and then pulls out the telescopic slide bar 101 upward, so that the clamping sleeve 102 is pulled upward to the right side of the positioning clamp 107. After loosening the first buckle 108, the compressed first return spring 105 pushes the first sliding bracket 104 to reset, so that the positioning clamp 107 clamps the clamping sleeve 102, completing the locking work of the telescopic slide bar 101 after being pulled out.

[0037] Then the electrician holds the clamping plate 2 and the clamp ammeter 1, and extends the current detection unit fixed on the end of the telescopic slide rod 101 into the narrow area in the wall. At the same time, the output shaft of the driving motor 204 drives the rotating shaft 205 to rotate, and the rotating shaft 205 drives the left current clamp 206 to flip outward. The upwardly tilted left push block 207 pushes the right push block 214, driving the right current clamp 210 to flip outward around the ball center of the universal ball head 209, and the compression spring 212 is compressed inward. Figure 8 As shown, the opening of the left current clamp 206 and the right current clamp 210 is completed, and at the same time, the electric turntable 103 drives the support rod 201 and the second fixing frame 202 to rotate, so that the opened left current clamp 206 and the right current clamp 210 are wrapped around the two sides of the line to be detected, and then the output shaft of the driving motor 204 drives the rotating shaft 205 to rotate in the opposite direction, so that the left current clamp 206 is flipped and reset, and at the same time, the compressed compression spring 212 drives the right current clamp 210 to flip and reset, so that the plug-in slot on the left current clamp 206 and the protrusion structure on the right current clamp 210 are re-inserted together, and form a complete closed loop with the second fixing frame 202, so that the line to be detected is clamped between the left current clamp 206 and the right current clamp 210.

[0038] The left current clamp 206, the right current clamp 210 and the second fixing frame 202 are equipped with inductive circuits. When the left current clamp 206, the right current clamp 210 and the second fixing frame 202 form a complete closed loop, the inductive circuits built into the left current clamp 206, the right current clamp 210 and the second fixing frame 202 form a closed-loop inductive coil, and perform current detection on the circuits clamped therein with the same working principle as the clamp ammeter 1, thereby achieving flexible current detection on the circuits connected to the smart meter and located in a small area in the wall, thereby reducing the degree of damage to the wall by electricians.

[0039] like Figure 3 and Figure 6As shown, the auxiliary winding unit includes a pull rod 301, a second pull buckle 302, a fixed ball head 303, a second sliding bracket 304, a bottom push block 305, a lower push plate 306 and an upper push plate 307; the right part of the electric turntable 103 is slidably connected with the pull rod 301; the lower end of the pull rod 301 is welded with the second pull buckle 302; the upper end of the pull rod 301 is welded with the fixed ball head 303; the right part of the front side of the second fixed bracket 202 is slidably connected with the second sliding bracket 304; the lower end of the second sliding bracket 304 is bolted to the bottom push block 305; the upper part of the second sliding bracket 304 is bolted to the lower push plate 306; the upper end of the second sliding bracket 304 is bolted to the upper push plate 307; the front push block 213 is located between the lower push plate 306 and the upper push plate 307.

[0040] When the electrician needs to perform current detection on the line in a narrow area in the wall, the output shaft of the driving motor 204 first drives the rotating shaft 205 to rotate, so that the left current clamp 206 and the right current clamp 210 are in an open state, and then the electrician pushes the second pull buckle 302 to drive the pull rod 301 to move upward along the electric turntable 103, so that the upward moving fixed ball head 303 pushes the bottom push block 305, drives the second sliding bracket 304 to move upward along the second fixed bracket 202, and makes the lower push plate 306 and the upper push plate 307 push the front push block 213 located therebetween, and drives the right current clamp 210 to flip backward around the ball center of the universal ball head 209, as shown in FIG. Fig. 9 As shown, the left current clamp 206 is located at the front side of the line, and the right current clamp 210 is located at the rear side of the line. Then the electrician pulls the second pull button 302 to drive the pull rod 301 to reset downward along the electric turntable 103, so that the lower push plate 306 and the upper push plate 307 push the front push block 213 located therebetween, driving the right current clamp 210 to flip and reset around the ball center of the universal ball head 209, so that the right current clamp 210 flips forward to be flush with the left current clamp 206. Then the electrician slightly rotates the clamping fixing plate 2 and the clamp ammeter 1 to the left, and pushes the second pull button 302 again, driving the pull rod 301 to move upward along the electric turntable 103, so that the right current clamp 210 flips backward around the ball center of the universal ball head 209, as shown in FIG. Fig.10 As shown, the winding work of the line in the narrow area in the wall is completed, and finally the electrician pulls the second pull buckle 302 to drive the pull rod 301 to reset downward along the electric turntable 103, so that the right current clamp 210 is flipped and reset around the center of the universal ball head 209, and the left current clamp 206 and the right current clamp 210 are reinserted together according to the above steps to complete the current detection work of the small current line, so as to realize the convenient winding work of the line in the narrow area of ​​the wall, thereby improving the detection accuracy of the small current line in the narrow area of ​​the wall. Example 2

[0041] like Figure 1-2,as well as Figure 7 As shown, on the basis of Example 1, it also includes a wire-tensioning unit, and the second fixed frame 202 is provided with a wire-tensioning unit, and the wire-tensioning unit includes an outer rotor motor 401, a fixed block 402, a fixed rod 403, a third sliding bracket 404, a second return spring 405 and a claw hook 406; the right side of the second fixed frame 202 is connected to the outer rotor motor 401; the right side of the outer rotor motor 401 is fixedly connected to the fixed block 402; the front side of the fixed block 402 is bolted to the fixed rod 403; the upper end of the fixed rod 403 is slidably connected to the third sliding bracket 404; the second return spring 405 is fixedly connected between the rear part of the upper side of the third sliding bracket 404 and the fixed rod 403; the upper end of the third sliding bracket 404 is fixedly connected to the claw hook 406.

[0042] When the electrician is operating the auxiliary winding unit to wind the line, the outer rotor motor 401 drives the fixed block 402 to flip backward, so that the claw hook 406 hooks the line in the area to the right of the right current clamp 210, and the outer rotor motor 401 continues to drive the fixed block 402 to flip, so that when the claw hook 406 hooks the line, it is blocked by the line and drives the third sliding bracket 404 and the second return spring 405 to stretch outward, so that the stretched second return spring 405 applies a tensioning force to the line through the claw hook 406, completes the straightening of the line, and facilitates the auxiliary winding unit to smoothly carry out the winding work of the line.

[0043] It should be understood that the above description is only for exemplary purposes and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention will be included within the scope of the claims herein.

Claims

1. A smart meter anti-electricity theft detection device, comprising a clamp ammeter (1), a main current clamp (11), a connection port (12) and a clamping plate (2); the left part and the right part of the lower side of the clamp ammeter (1) are each connected to a main current clamp (11); the left part and the right part of the upper side of the clamp ammeter (1) are each provided with a connection port (12); the back of the clamp ammeter (1) is connected to the clamping plate (2); the characteristics are as follows: It also includes a telescopic unit, a current detection unit and an auxiliary winding unit; the interior of the clamping fixed plate (2) is connected to the telescopic unit for extending the length of the detection component; the upper side of the telescopic unit is connected to the current detection unit for detecting the current value in the narrow area; the right side of the telescopic unit is connected to the auxiliary winding unit for the auxiliary detection component winding line; the upper side of the auxiliary winding unit is connected to the current detection unit; The telescopic unit comprises a telescopic slide bar (101), a clamping sleeve (102), an electric turntable (103), a first sliding bracket (104), a first return spring (105), a first fixing frame (106), a positioning clamping plate (107) and a first pull buckle (108); the interior of the clamping fixing plate (2) is slidably connected to the telescopic slide bar (101); the lower end of the telescopic slide bar (101) is fixedly connected to the clamping sleeve (102); the upper end of the telescopic slide bar (101) is connected to the electric turntable (103); the electric turntable (103) is connected to the current detection unit; the electric turntable The disk (103) is connected to the auxiliary winding unit; the left portion of the upper side of the clamping and fixing plate (2) is slidably connected to a first sliding bracket (104); a first return spring (105) is fixedly connected between the first sliding bracket (104) and the clamping and fixing plate (2); a first fixing frame (106) is fixedly connected to the upper side of the first sliding bracket (104); a positioning clamp (107) is fixedly connected to the right side of the first fixing frame (106); the right side arc surface of the positioning clamp (107) is in close contact with the current detection unit; a first buckle (108) is fixedly connected to the left side of the first fixing frame (106); The current detection unit comprises a support rod (201), a second fixing frame (202), a left clamping assembly and a right clamping assembly; the upper side of the electric turntable (103) is connected to the support rod (201); the right side arc surface of the positioning clamping plate (107) is in close contact with the support rod (201); the upper end of the support rod (201) is fixedly connected to the second fixing frame (202); the left part of the upper side of the second fixing frame (202) is connected to the left clamping assembly; the right part of the upper side of the second fixing frame (202) is connected to the right clamping assembly; the right part of the front side of the second fixing frame (202) is connected to the auxiliary winding unit; the left clamping assembly contacts the right clamping assembly; The left clamping assembly comprises a third fixing frame (203), a driving motor (204), a rotating shaft (205), a left current clamp (206) and a left push block (207); the third fixing frame (203) is fixedly connected to the left portion of the upper side of the second fixing frame (202); the driving motor (204) is fixedly connected to the rear portion of the upper side of the third fixing frame (203); the upper side of the third fixing frame (203) is rotatably connected to the rotating shaft (205); the output shaft of the driving motor (204) is fixedly connected to the rotating shaft (205); the rear portion of the rotating shaft (205) is fixedly connected to the left current clamp (206); the lower portion of the right side of the left current clamp (206) is fixedly connected to the left push block (207); the left current clamp (206) and the left push block (207) both contact the right clamping assembly; The right clamping assembly comprises a fourth fixing frame (208), a universal ball head (209), a right current clamp (210), a side bracket (211), a compression spring (212), a front push block (213) and a right push block (214); the fourth fixing frame (208) is fixedly connected to the right portion of the upper side of the second fixing frame (202); the universal ball head (209) is embedded in the upper side of the fourth fixing frame (208); the right current clamp (210) is fixedly connected to the front rod end of the universal ball head (209) ; A side bracket (211) is fixedly connected to the lower part of the right side of the right current clamp (210); a compression spring (212) is fixedly connected between the side bracket (211) and the fourth fixing bracket (208); a front push block (213) is fixedly connected to the front side of the side bracket (211); a right push block (214) is fixedly connected to the lower part of the left side of the side bracket (211); the left current clamp (206) is in contact with the right current clamp (210); the left push block (207) is in contact with the right push block (214); The auxiliary winding unit comprises a pull rod (301), a second pull buckle (302), a fixed ball head (303), a second sliding bracket (304), a bottom push block (305), a lower push plate (306) and an upper push plate (307); the right part of the electric turntable (103) is slidably connected to the pull rod (301); the lower end of the pull rod (301) is fixedly connected to the second pull buckle (302); the upper end of the pull rod (301) is fixedly connected to the fixed ball head (303); The second sliding bracket (304) is slidably connected to the right portion of the front side of the second fixed frame (202); the lower end of the second sliding bracket (304) is fixedly connected to a bottom push block (305); the upper portion of the second sliding bracket (304) is fixedly connected to a lower push plate (306); the upper end of the second sliding bracket (304) is fixedly connected to an upper push plate (307); the front push block (213) is located between the lower push plate (306) and the upper push plate (307).

2. The smart meter anti-electricity theft detection device according to claim 1, characterized in that: The positioning clamping plate (107) is an arc-shaped structure.

3. The smart meter anti-electricity theft detection device according to claim 1, characterized in that: A convex block structure is provided on the left portion of the upper side of the right current clamp (210).

4. The anti-electricity theft detection device for a smart meter according to claim 1, characterized in that: A plug-in slot corresponding to the upper protrusion of the right current clamp (210) is provided on the right part of the upper side of the left current clamp (206).

5. The smart meter anti-electricity theft detection device according to claim 1, characterized in that: The invention also comprises a wire-tensioning unit, wherein the wire-tensioning unit is arranged on the second fixing frame (202), and comprises an outer rotor motor (401), a fixing block (402), a fixing rod (403), a third sliding bracket (404), a second return spring (405) and a claw hook (406); the outer rotor motor (401) is connected to the right side of the second fixing frame (202); the fixing block (402) is fixedly connected to the right side of the outer rotor motor (401); the fixing rod (403) is fixedly connected to the front side of the fixing block (402); the upper end of the fixing rod (403) is slidably connected to the third sliding bracket (404); the second return spring (405) is fixedly connected between the rear part of the upper side of the third sliding bracket (404) and the fixing rod (403); and the claw hook (406) is fixedly connected to the upper end of the third sliding bracket (404).

Images