CN112731237B

CN112731237B - Discharge fault detection device

Info

Publication number: CN112731237B
Application number: CN202011452931.7A
Authority: CN
Inventors: 王天航; 林文健; 黎振达; 魏金渠
Original assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2022-03-04
Anticipated expiration: 2040-12-11
Also published as: CN112731237A

Abstract

The invention belongs to the technical field of discharge fault detection devices, and particularly relates to a discharge fault voiceprint frequency spectrum modeling and recognition device which comprises a handle, a placing groove, limiting clamps and receivers, wherein the placing groove is formed in the handle; the beneficial effects are as follows: according to the invention, by arranging the first fixing clamp, the second fixing clamp, the bolt and the knob, when a user needs to fix the first supporting plate and the second supporting plate, the user firstly takes the device out of the tool box, then the first supporting plate with the limiting ring is lapped on the upper end of the gasket, then the first fixing clamp is lapped on the upper end of the second supporting plate, meanwhile, the second fixing clamp is clamped on the lower surface of the first supporting plate, then the knob is screwed, so that the first supporting plate and the second supporting plate are fixed, and then the receiver is clamped in the limiting clamp.

Description

Discharge fault detection device

Technical Field

The invention relates to the technical field of discharge fault detection devices, in particular to a discharge fault detection device.

Background

Partial discharge measurement is an important means for judging the insulation strength of high-voltage power equipment, and a non-contact ultrasonic measurement method is an effective partial discharge measurement method and has the following principle: the high-voltage power equipment generates a partial discharge phenomenon, so that generated ultrasonic signals are collected through the non-contact ultrasonic sensor and are analyzed and processed by the partial discharge detector to display amplitude data and characteristic waveforms of the ultrasonic signals.

At present, the partial discharge detectors in the market have numerous products, instruments produced by different manufacturers have different performances, and amplitude data and characteristic waveforms are inconsistent, so that a reliable and stable calibration device is needed for calibration, but the existing calibration device in the market is inconvenient to adjust, so that the calibration accuracy is low,

in order to solve the above problems, it is necessary to improve the partial discharge detector in the prior art.

Disclosure of Invention

The invention aims to provide a discharge fault detection device to solve the technical problem that the existing calibration device is inconvenient to adjust and low in calibration accuracy.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a discharge fault detection device, includes the handle, its characterized in that: the handle side is provided with the movable table, the transmission groove has been seted up on the movable table surface, the first bearing of transmission inslot wall fixedly connected with, wear to be equipped with the pivot in the first bearing, pivot fixed surface is connected with the gyro wheel, the adjustment tank has been seted up to the movable table upper surface, pivot upper end fixedly connected with gear, the inside swing joint of adjustment tank has first backup pad, the movable groove has been seted up to first backup pad lower surface, movable inslot wall fixedly connected with rack, the wheel meshes with the rack mutually, fixed surface is connected with the gasket on the first backup pad, the overlap joint has the second backup pad on the gasket.

Preferably, still include standing groove, spacing clamp and receiver, the standing groove is seted up inside the handle, spacing clamp fixed connection is at the standing groove inner wall, the receiver joint is inside the spacing clamp, the spacing clamp is total two sets of to the symmetry sets up inside the standing groove, receiver upper end fixedly connected with wire.

Preferably, a fixing bolt penetrates through the surface of the handle, the movable table is fixedly connected with the handle through the fixing bolt, and a nut is connected to the surface of the fixing bolt in a threaded manner.

Preferably, a second bearing is arranged on the surface of the adjusting groove in a penetrating mode, and the rotating shaft is arranged in the second bearing in a penetrating mode.

Preferably, the second backup pad side overlap joint has first fixation clamp, first fixation clamp lower surface is provided with the bolt, bolt surface threaded connection has the second fixation clamp, the second fixation clamp joint is at first backup pad lower surface, bolt lower extreme fixedly connected with knob, first fixation clamp is total two sets ofly, and the symmetry sets up in first backup pad both sides.

Preferably, fixed surface is connected with the bracing piece in the second backup pad, upper end of the support bar fixedly connected with spacing ring, the microphone body is worn to be equipped with in the spacing ring is inside, the inside fixedly connected with protection of spacing ring is filled up, the spacing ring is total two sets of to the symmetry sets up in second backup pad upper end, the other end fixed connection of wire is in microphone body side.

Preferably, the side face of the first supporting plate is fixedly connected with a sliding block, the inner wall of the movable groove is provided with a sliding groove, the sliding block is connected in the sliding groove in a sliding mode, the sliding block and the sliding groove are respectively provided with two groups, and the sliding block and the sliding groove are symmetrically arranged on two sides of the first supporting plate.

Preferably, the material of the limiting ring is natural rubber.

Compared with the prior art, the invention has the following beneficial effects:

according to the microphone, the gear and the rack are arranged, when a user needs to adjust the position of the first supporting plate loaded with the microphone body, the user only needs to stir the roller to drive the gear to rotate, the position of the microphone body can be conveniently adjusted by the user through the matching of the gear, the rack, the sliding block and the sliding groove, after the adjustment is completed, the user only needs to stop stirring the roller, and the position of the first supporting plate loaded with the microphone body can be conveniently adjusted by the user.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

The structure, proportion, size and the like shown in the drawings are only used for matching with the content disclosed in the specification, so that the person skilled in the art can understand and read the description, and the description is not used for limiting the limit condition of the implementation of the invention, so the method has no technical essence, and any structural modification, proportion relation change or size adjustment still falls within the scope of the technical content disclosed by the invention without affecting the effect and the achievable purpose of the invention.

FIG. 1 is a front cross-sectional structural schematic view of the present invention;

FIG. 2 is a side cross-sectional structural view of the handle of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a handle; 2. a placement groove; 3. a limiting clamp; 4. a receiver; 5. a wire; 6. a movable table; 7. fixing the bolt; 8. a nut; 9. a transmission groove; 10. a first bearing; 11. a rotating shaft; 12. a roller; 13. an adjustment groove; 14. a second bearing; 15. a gear; 16. a first support plate; 17. a movable groove; 18. a rack; 19. a slider; 20. a chute; 21. a gasket; 22. a second support plate; 23. a first fixing clip; 24. a second fixing clip; 25. a bolt; 26. a knob; 27. a support bar; 28. a limiting ring; 29. a protective pad; 30. a microphone body.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions: a discharge fault detection device comprises a handle 1, a placing groove 2, two limiting clamps 3 and a receiver 4, wherein the placing groove 2 is arranged inside the handle 1, the limiting clamps 3 are fixedly connected to the inner wall of the placing groove 2, the receiver 4 is clamped inside the limiting clamps 3, the limiting clamps 3 are divided into two groups and symmetrically arranged inside the placing groove 2, the upper end of the receiver 4 is fixedly connected with a lead 5, a fixing bolt 7 penetrates through the surface of the handle 1, a movable table 6 is arranged on the side surface of the handle 1, the movable table 6 is fixedly connected with the handle 1 through the fixing bolt 7, a nut 8 is in threaded connection with the surface of the fixing bolt 7, a transmission groove 9 is formed in the surface of the movable table 6, a first bearing 10 is fixedly connected to the inner wall of the transmission groove 9, a rotating shaft 11 penetrates through the first bearing 10, a roller 12 is fixedly connected to the surface of the rotating shaft 11, an adjusting groove 13 is formed in the upper surface of the movable table 6, a second bearing 14 penetrates through the surface of the adjusting groove 13, the rotating shaft 11 is arranged in the second bearing 14 in a penetrating way, the upper end of the rotating shaft 11 is fixedly connected with a gear 15, the inner part of the adjusting groove 13 is movably connected with a first supporting plate 16, the lower surface of the first supporting plate 16 is provided with a movable groove 17, the inner wall of the movable groove 17 is fixedly connected with a rack 18, the gear 15 is meshed with the rack 18, the upper surface of the first supporting plate 16 is fixedly connected with a gasket 21, the upper end of the gasket 21 is lapped with a second supporting plate 22, by arranging the gear 15 and the rack 18, when the user needs to adjust the position of the first support plate 16 carrying the microphone body 30, the user only needs to dial the roller 12, so as to drive the gear 15 to rotate, under the matching of the gear 15, the rack 18, the slide block 19 and the sliding groove 20, the position of the microphone body 30 can be conveniently adjusted by a user, the user only needs to stop dialing the roller 12, which is convenient for the user to adjust the position of the first support plate 16 carrying the microphone body 30.

Specifically, a first fixing clamp 23 is lapped on the side surface of the second supporting plate 22, bolts 25 are arranged on the lower surface of the first fixing clamp 23, a second fixing clamp 24 is connected to the surface of each bolt 25 in a threaded manner, the second fixing clamp 24 is clamped on the lower surface of the first supporting plate 16, knobs 26 are fixedly connected to the lower ends of the bolts 25, two groups of first fixing clamps 23 are arranged on the two sides of the first supporting plate 16 symmetrically, and according to the invention, by arranging the first fixing clamp 23, the second fixing clamp 24, the bolts 25 and the knobs 26, when a user needs to fix the first supporting plate 16 and the second supporting plate 22, the user firstly takes out the device from a tool box, then laps the first supporting plate 16 loaded with the limiting ring 28 on the upper end of the gasket 21, then laps the first fixing clamp 23 on the upper end of the second supporting plate 22, meanwhile clips the second fixing clamp 24 on the lower surface of the first supporting plate 16, and then twists the knobs 26, so as to fix the first support plate 16 and the second support plate 22, then the receiver 4 is clamped in the limiting clamp 3, and the microphone body 30 is clamped in the limiting ring 28, which is convenient for the user to install the device.

Specifically, fixed surface is connected with bracing piece 27 on the second backup pad 22, and fixedly connected with spacing ring 28 in bracing piece 27 upper end, and microphone body 30 is worn to be equipped with inside the spacing ring 28, and spacing ring 28's inside fixedly connected with protection pad 29, the spacing ring 28 is total two sets of to the symmetry sets up in second backup pad 22 upper end, and the other end fixed connection of wire 5 is in microphone body 30 side.

Specifically, the side surface of the first supporting plate 16 is fixedly connected with a sliding block 19, the inner wall of the movable groove 17 is provided with a sliding groove 20, the sliding block 19 is slidably connected in the sliding groove 20, and the sliding block 19 and the sliding groove 20 are respectively provided with two groups and are symmetrically arranged on two sides of the first supporting plate 16.

Specifically, the stop ring 28 is made of natural rubber.

The working principle and the using process of the invention are as follows: when the microphone device is used, a user firstly takes the microphone device out of a tool box, then the second supporting plate 22 loaded with the limiting ring 28 is lapped on the upper end of the gasket 21, then the first fixing clamp 23 is lapped on the upper end of the second supporting plate 22, meanwhile, the second fixing clamp 24 is clamped on the lower surface of the first supporting plate 16, then the knob 26 is screwed, so that the first supporting plate 16 and the second supporting plate 22 are fixed, then the receiver 4 is clamped in the limiting clamp 3, meanwhile, the microphone body 30 is clamped in the limiting ring 28, the microphone device is convenient for the user to install, when the user needs to adjust the position of the first supporting plate 16 loaded with the microphone body 30, the user only needs to stir the roller 12 to drive the gear 15 to rotate, under the matching of the gear 15, the rack 18, the slider 19 and the sliding groove 20, the user is convenient to adjust the position of the microphone body 30, after the adjustment is completed, the user only needs to stop toggling the roller 12.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A discharge fault detection device includes a handle (1), and is characterized in that: a movable table (6) is arranged on the side surface of the handle (1), a transmission groove (9) is arranged on the surface of the movable table (6), a first bearing (10) is fixedly connected with the inner wall of the transmission groove (9), a rotating shaft (11) penetrates through the first bearing (10), the surface of the rotating shaft (11) is fixedly connected with a roller (12), the upper surface of the movable table (6) is provided with an adjusting groove (13), the upper end of the rotating shaft (11) is fixedly connected with a gear (15), the interior of the adjusting groove (13) is movably connected with a first supporting plate (16), a movable groove (17) is formed in the lower surface of the first supporting plate (16), a rack (18) is fixedly connected to the inner wall of the movable groove (17), the gear (15) is meshed with the rack (18), the upper surface of the first supporting plate (16) is fixedly connected with a gasket (21), and the upper end of the gasket (21) is lapped with a second supporting plate (22);

fixed surface is connected with bracing piece (27) on second backup pad (22), bracing piece (27) upper end fixedly connected with spacing ring (28), microphone body (30) are worn to be equipped with in spacing ring (28) inside, the inside fixedly connected with protection pad (29) of spacing ring (28), spacing ring (28) are total two sets ofly to the symmetry sets up in second backup pad (22) upper end.

2. A discharge fault detection apparatus according to claim 1, wherein: still include standing groove (2), spacing clamp (3) and receiver (4), standing groove (2) are seted up inside handle (1), spacing clamp (3) fixed connection is at standing groove (2) inner wall, receiver (4) joint is inside spacing clamp (3), spacing clamp (3) are total two sets ofly to the symmetry sets up inside standing groove (2), receiver (4) upper end fixedly connected with wire (5).

3. A discharge fault detection apparatus according to claim 2, wherein: fixing bolt (7) are arranged on the surface of the handle (1) in a penetrating mode, the movable table (6) is fixedly connected with the handle (1) through the fixing bolt (7), and a nut (8) is connected to the surface of the fixing bolt (7) in a threaded mode.

4. A discharge fault detection apparatus according to claim 1, wherein: and a second bearing (14) penetrates through the surface of the adjusting groove (13), and the rotating shaft (11) penetrates through the second bearing (14).

5. A discharge fault detection apparatus according to claim 1, wherein: second backup pad (22) side overlap joint has first fixation clamp (23), first fixation clamp (23) lower surface is provided with bolt (25), bolt (25) surface threaded connection has second fixation clamp (24), second fixation clamp (24) joint is at first backup pad (16) lower surface, bolt (25) lower extreme fixedly connected with knob (26), first fixation clamp (23) are total two sets ofly, and the symmetry sets up in first backup pad (16) both sides.

6. A discharge fault detection apparatus according to claim 2, wherein: the other end of the lead (5) is fixedly connected with the side surface of the microphone body (30).

7. A discharge fault detection apparatus according to claim 1, wherein: first backup pad (16) side fixedly connected with slider (19), spout (20) have been seted up to activity groove (17) inner wall, slider (19) sliding connection is in spout (20), slider (19) and spout (20) respectively have two sets ofly to the symmetry sets up in first backup pad (16) both sides.

8. The discharge fault detection device according to claim 6, wherein: the limiting ring (28) is made of natural rubber.