Adjustable cable high-frequency partial discharge acquisition instrument

Abstract

The utility model relates to the technical field of cable high-frequency partial discharge acquisition instruments, and discloses an adjustable cable high-frequency partial discharge acquisition instrument, which comprises an acquisition instrument main body, and a connector lug is fixedly connected in the acquisition instrument main body. The pushing block is moved to drive the clamping block to move out of the first inserting groove, meanwhile, the clamping block extrudes the spring, the handle is pulled to enable the fixing frame to move out of the collecting instrument body, then the pushing block is loosened, the clamping block is reset through the elastic force of the spring, the clamping block is inserted into the second inserting groove, the fixing frame cannot move at will, and then the handle is rotated. The handle drives the winding drum to rotate on the fixing frame, the winding drum unwinds the wound connecting wire until the connecting wire is unwound by a required length, and then the winding drum stops rotating, so that the connecting wire is convenient to carry and can be adjusted according to the required length of the power equipment, and the redundant connecting wire is prevented from being dragged on the ground; long-term friction between the connecting line and the ground is reduced, and service life reduction of the connecting line is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable high frequency partial discharge collection instrument technical field, concretely is a kind of adjustable cable high frequency partial discharge collection instrument. BACKGROUND

[0002] When electrical equipment generates partial discharge, electromagnetic wave will be generated, and the electromagnetic wave will generate a transient ground voltage signal when it propagates outward. The size of this signal is directly related to the intensity of the partial discharge and the distance of the discharge point. A special detector can be used for detection. This detector is a partial discharge detector. The partial discharge detector is a device commonly used in electrical equipment. It uses the direct method, bridge balance method or current pulse method to detect discharge.

[0003] The existing cable high frequency partial discharge collection instrument and connecting line are placed separately, which is inconvenient to carry. Moreover, the length of the connecting line is fixed, and the connecting line cannot be adjusted according to the length required by the electrical equipment, so that the excess connecting line is easily dragged on the ground. Long-term friction with the ground will reduce the service life of the connecting line. SUMMARY

[0004] To achieve the above purpose, the utility model provides a kind of adjustable cable high frequency partial discharge collection instrument.

[0005] The technical scheme of the utility model is as follows: a kind of adjustable cable high frequency partial discharge collection instrument, including collection instrument main part, the collection instrument main part is fixedly connected with the terminal in the inside, the collection instrument main part is provided with the rolling mechanism for adjusting length, the collection instrument main part is slidably connected with the fixed frame in the inside, the fixed frame is rotatably connected with the winding drum in the inside, the winding drum is rotatably connected with the handle in the inside, the winding drum one side is equipped with the second recess, the fixed frame one end is equipped with the first slot, the fixed frame bottom is fixedly connected with the sliding block, the fixed frame one end is equipped with the second slot, the winding drum is rotatably connected with the connecting line in the inside, the connecting line one end is fixedly connected with the first plug, the connecting line other end is fixedly connected with the second plug, the collection instrument main part is slidably connected with the clamping block in the inside, the clamping block one side is fixedly connected with the push block, the clamping block one end is fixedly connected with the spring, the fixed frame one side is equipped with the placing groove.

[0006] Preferably, the connection between the fixed frame and the handle is located in the second recess on the fixed frame.

[0007] Preferably, the sliding block is "T" shaped, and the collection instrument main part is provided with a sliding groove corresponding to the sliding block.

[0008] Preferably, the end of the clamping block is consistent in size with the first slot on the fixing frame and the second slot on the fixing frame, and is located in the same plane.

[0009] Preferably, the second plug is plugged into the high-frequency mutual inductor.

[0010] Preferably, a supporting mechanism for adjusting the angle is arranged on the collecting instrument body, a worm is rotatably connected inside the collecting instrument body, a twisting block is fixedly connected to one side of the worm, a rotating rod is rotatably connected inside the collecting instrument body, a worm wheel is fixedly connected to one end of the outer circular surface of the rotating rod, a supporting leg is fixedly connected to the other end of the outer circular surface of the rotating rod, and a first groove is formed in the bottom of the collecting instrument body.

[0011] Preferably, the worm is meshingly connected with the worm wheel, and the connecting part of the rotating rod and the supporting leg is located in the first groove on the collecting instrument body.

[0012] The utility model has the following beneficial effects:

[0013] The adjustable cable high-frequency partial discharge collecting instrument can be conveniently carried, and the length of the connecting line can be adjusted according to the length required by the power equipment, so that the connecting line is prevented from being dragged on the ground, the friction between the connecting line and the ground is reduced, and the service life of the connecting line is prolonged.

[0014] 2、The adjustable cable high-frequency partial discharge collecting instrument, by rotating the twisting block, the twisting block will drive the worm to rotate in the collecting instrument body, the worm will drive the worm wheel and the rotating rod to rotate together, the rotating rod drives the supporting leg to rotate, due to the self-locking property of the worm and the worm wheel, the supporting leg will not be passively rotated to any angle, so that the collecting instrument body can be stably placed on uneven ground by adjusting the angle of the supporting leg. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the related positions of the fixing frame of the utility model;

[0017] Figure 3 It is a schematic diagram of the related positions of the pushing block of the utility model;

[0018] Figure 4 is a related position schematic view of the support leg of the utility model;

[0019] Figure 5 is a related position schematic view of the rotating rod of the utility model;

[0020] Figure 6 is a related position schematic view of the first slot of the utility model;

[0021] Figure 7 is a related position schematic view of the spring of the utility model.

[0022] In the drawings, various reference signs represent:

[0023] 1, acquisition instrument main body; 2, terminal head; 3, support mechanism; 301, twist block; 302, worm; 303, worm wheel; 304, rotating rod; 305, support leg; 306, first recess; 4, winding mechanism; 401, fixed frame; 402, winding drum; 403, handle; 404, second recess; 405, first slot; 406, sliding block; 407, second slot; 408, connecting line; 409, first plug; 410, second plug; 411, push block; 412, clamping block; 413, spring; 414, placing groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] As Figures 1-7As shown, the embodiment provides a kind of adjustable cable high-frequency partial discharge collection instrument, including collection instrument main body 1, wiring head 2 is fixedly connected in collection instrument main body 1, winding mechanism 4 for adjusting length is provided on collection instrument main body 1, fixed frame 401 is slidably connected in collection instrument main body 1, winding drum 402 is rotatably connected in fixed frame 401, handle 403 is rotatably connected in winding drum 402, second recess 404 is set in one side of winding drum 402, first slot 405 is set in one end of fixed frame 401, sliding block 406 is fixedly connected in the bottom of fixed frame 401, second slot 407 is set in one end of fixed frame 401, connecting line 408 is rotatably connected in winding drum 402, first plug 409 is fixedly connected in one end of connecting line 408, second plug 410 is fixedly connected in other end of connecting line 408, clamping block 412 is slidably connected in collection instrument main body 1, push block 411 is fixedly connected in one side of clamping block 412, spring 413 is fixedly connected in one end of clamping block 412, placing groove 414 is set in one side of fixed frame 401.

[0026] Further, the connecting place of fixed frame 401 and handle 403 is located in second recess 404 on fixed frame 401.

[0027] By adopting the above technical scheme, by rotating handle 403 from second recess 404 on fixed frame 401, winding drum 402 can be rotated by handle 403.

[0028] Further, sliding block 406 is "T" type, and sliding slot corresponding to sliding block 406 is arranged in collection instrument main body 1.

[0029] By adopting the above technical scheme, by arranging sliding slot corresponding to sliding block 406 in collection instrument main body 1, sliding block 406 can keep stable during movement.

[0030] Further, the size of the end of clamping block 412 and first slot 405 on fixed frame 401 and second slot 407 on fixed frame 401 is consistent, and they are located in the same plane.

[0031] By adopting the above technical scheme, by inserting clamping block 412 into first slot 405 on fixed frame 401, fixed frame 401 can be fixed in collection instrument main body 1, by inserting clamping block 412 into second slot 407 on fixed frame 401, fixed frame 401 can be fixed out of collection instrument main body 1.

[0032] Further, second plug 410 is inserted into high-frequency mutual inductor.

[0033] By adopting the above technical scheme, by inserting second plug 410 into high-frequency mutual inductor, the data of cable high-frequency partial discharge can be obtained by collection instrument main body 1.

[0034] Further, the collection instrument body 1 is provided with a support mechanism 3 for adjusting the angle, the collection instrument body 1 is rotatably connected with a worm 302, one side of the worm 302 is fixedly connected with a twisting block 301, the collection instrument body 1 is rotatably connected with a rotating rod 304, the outer circular surface of the rotating rod 304 is fixedly connected with a worm wheel 303 at one end, the outer circular surface of the rotating rod 304 is fixedly connected with a support leg 305 at the other end, and the bottom of the collection instrument body 1 is provided with a first groove 306.

[0035] Further, the worm 302 is meshingly connected with the worm wheel 303, and the connecting part of the rotating rod 304 and the support leg 305 is located in the first groove 306 on the collection instrument body 1.

[0036] By adopting the above technical scheme, the support leg 305 will not be passively rotated after being rotated due to the self-locking property of the worm 302 and the worm wheel 303.

[0037] Working principle: when detecting the cable in the open air, the collector instrument main body 1 cannot be placed due to uneven ground, the staff rotates the twist block 301, the twist block 301 drives the worm 302 to rotate in the collector instrument main body 1, the worm 302 drives the worm wheel 303 and the rotating rod 304 to rotate together, the rotating rod 304 drives the supporting leg 305 to rotate, the supporting leg 305 rotates out of the first groove 306 on the collector instrument main body 1, due to the self-locking property of the worm 302 and the worm wheel 303, the supporting leg 305 will not be passively rotated to any angle, so the staff can adjust the angle of the supporting leg 305 to place the collector instrument main body 1 stably on uneven ground, after the collector instrument main body 1 is placed, the staff moves the pushing block 411, the pushing block 411 drives the clamping block 412 to move out of the first slot 405 on the fixing frame 401, meanwhile, the clamping block 412 extrudes the spring 413, then the handle 403 is rotated out of the second groove 404 on the fixing frame 401, the fixing frame 401 is moved out of the collector instrument main body 1 by pulling the handle 403, the fixing frame 401 drives the sliding block 406 to slide on the collector instrument main body 1, then, the pushing block 411 is loosened, the elastic force of the spring 413 promotes the clamping block 412 to reset, at this time, the clamping block 412 is inserted into the second slot 407 on the fixing frame 401, so that the fixing frame 401 cannot be moved at will, then, the handle 403 is rotated, the handle 403 drives the winding drum 402 to rotate on the fixing frame 401, the winding drum 402 rotates to release the connecting line 408, after the connecting line 408 is released to the required length, the rotation is stopped, then, the connecting line 408 is placed on the placing groove 414 on the fixing frame 401, then, the pushing block 411 is moved, the fixing frame 401 is moved into the collector instrument main body 1, then the handle 403 is rotated into the second groove 404 on the fixing frame 401, so that the winding drum 402 cannot be rotated any more, then the first plug 409 is inserted into the wire head 2 on the collector instrument main body 1, the second plug 410 is inserted into the high-frequency mutual inductor, so that the collector instrument main body 1 can obtain the cable high-frequency partial discharge data collected by the high-frequency mutual inductor.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable cable high frequency partial discharge acquisition instrument, comprising an acquisition instrument main body (1), characterized in that: The collecting instrument body (1) is internally and fixedly connected with a terminal (2), the collecting instrument body (1) is provided with a winding mechanism (4) for adjusting length, the collecting instrument body (1) is internally and slidably connected with a fixing frame (401), the fixing frame (401) is internally and rotatably connected with a winding drum (402), the winding drum (402) is internally and rotatably connected with a handle (403), a second groove (404) is formed in one side of the winding drum (402), a first insertion slot (405) is formed in one end of the fixing frame (401), a sliding block (406) is fixedly connected to the bottom of the fixing frame (401), a second insertion slot (407) is formed in one end of the fixing frame (401), a connecting line (408) is rotatably connected in the winding drum (402), a first plug (409) is fixedly connected to one end of the connecting line (408), a second plug (410) is fixedly connected to the other end of the connecting line (408), a clamping block (412) is slidably connected in the collecting instrument body (1), a pushing block (411) is fixedly connected to one side of the clamping block (412), a spring (413) is fixedly connected to one end of the clamping block (412), and a placing groove (414) is formed in one side of the fixing frame (401).

2. The adjustable cable high frequency partial discharge acquisition instrument according to claim 1, characterized in that: The connecting part of the fixing frame (401) and the handle (403) is located in the second groove (404) on the fixing frame (401).

3. The adjustable cable high frequency partial discharge acquisition instrument according to claim 1, characterized in that: The sliding block (406) is in a T shape, and the collecting instrument body (1) is internally provided with a sliding groove corresponding to the sliding block (406).

4. The adjustable cable high frequency partial discharge acquisition instrument of claim 1, wherein: The end of the clamping block (412) is consistent in size with the first insertion slot (405) on the fixing frame (401) and the second insertion slot (407) on the fixing frame (401), and is located in the same plane.

5. The adjustable cable high frequency partial discharge acquisition instrument of claim 1, wherein: The second plug (410) is plugged into a high-frequency mutual inductor.

6. The adjustable cable high frequency partial discharge acquisition instrument of claim 1, wherein: The collecting instrument body (1) is provided with a supporting mechanism (3) for adjusting angle, the collecting instrument body (1) is internally and rotatably connected with a worm (302), the worm (302) is fixedly connected with a twisting block (301) on one side, the collecting instrument body (1) is internally and rotatably connected with a rotating rod (304), the outer circular surface of the rotating rod (304) is fixedly connected with a worm wheel (303) on one end, the outer circular surface of the rotating rod (304) is fixedly connected with a supporting leg (305) on the other end, and a first groove (306) is formed in the bottom of the collecting instrument body (1).

7. An adjustable cable high frequency partial discharge acquisition instrument according to claim 6, characterized in that: The worm (302) is meshingly connected with the worm wheel (303), and the connecting part of the rotating rod (304) and the supporting leg (305) is located in the first groove (306) on the collecting instrument body (1).

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