Handheld partial discharge detection device

Abstract

The utility model discloses a hand-held partial discharge detection device, which relates to the technical field of partial discharge detectors, and comprises a device body, the front end of the device body is provided with a mounting plate, one side of the mounting plate is provided with accommodating grooves distributed in a linear array, the inner wall of each accommodating groove is fixedly connected with an accommodating rod, and the accommodating rods are fixedly connected with the mounting plate. The handheld partial discharge detection device comprises a mounting plate, a containing groove is formed in the mounting plate, a rotating disc is arranged at a groove opening of the containing groove, a penetrating type take-up opening is formed in one side of the rotating disc, and a rotation driving mechanism for adjusting rotation of the rotating disc is arranged on the mounting plate. According to the handheld partial discharge detection device, a wire can be wound on the outer side of the storage rod, meanwhile, the wound wire is stored in the storage groove, so that the wire storage box is easy and convenient to use, the wire can be combed through the wire storage mode, disordered winding of the wires is avoided, and the use convenience of the handheld partial discharge detection device can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of partial discharge detectors, and specifically relates to a handheld partial discharge detection device. Background Art

[0002] The partial discharge detector is small in volume and light in weight, making it a veritable portable instrument. This instrument is developed based on the IEC (270) standard and the pulse current method principle. It has the advantages of high sensitivity, a large dynamic range of the amplifier system, a wide range of test specimens, and simple operation. It also adopts advanced anti-interference components and a unique gate display circuit, and has four high-frequency elliptical scans, which are applicable to the type and factory tests of high-voltage products, the development tests of new products, and the quantitative tests of partial discharges of motors, instrument transformers, cables, bushings, capacitors, transformers, lightning arresters, switches, and other high-voltage electrical appliances.

[0003] After a large number of searches, it is found that: in the Chinese utility model patent column, the publication number CN209486237U discloses a handheld partial discharge detection device, including a handheld mainframe case and a rear cover plate. A hanging ring is fixed on the lower surface of the handheld mainframe case, and a hanging rope is wound inside the hanging ring corresponding to the lower surface of the handheld mainframe case. A key area is arranged on the front surface of the handheld mainframe case, and the rear cover plate is matched and installed on the rear surface of the handheld mainframe case. A single-grip component is installed on the side surface of the handheld mainframe case;

[0004] In the above solution, the device uses a wire combing component to comb the wires. However, since there are many wires on the handheld partial discharge detection device and the wire lengths are long, the wire storage is rather troublesome. Unified storage will cause the wires to be entangled and knotted with each other and become chaotic, thus affecting the use of the handheld partial discharge detection device. Content of the Utility Model

[0005] The purpose of the utility model is to provide a handheld partial discharge detection device to solve the problem of troublesome wire collection in the existing handheld partial discharge detection device.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A handheld partial discharge detection device includes a device body. An installation plate is provided at the front end of the device body. Two fixing ports are formed on one side of the installation plate. Bolts are inserted and connected in the fixing ports. Fixing grooves are formed at the corresponding positions of the device body relative to the fixing ports. The bolts are in threaded connection with the fixing grooves. A plurality of storage grooves are formed on one side of the installation plate in a linear array. A storage rod is fixedly connected to the inner wall of the storage groove. A turntable is provided at the notch of the storage groove. The turntable is located on one side of the storage rod. A through wire-receiving port is formed on one side of the turntable. A rotation driving mechanism for adjusting the rotation of the turntable is provided on the installation plate. A through port is formed on the inner wall of the storage groove. The through port is located on one side of the storage rod. A plug port is provided at the corresponding position of the device body relative to the through port. The plug port is electrically connected to a plug. The plug is electrically connected to a wire. The wire is slidably connected in the cavity of the wire-receiving port.

[0007] Preferably, the turntable includes two splicing plates arranged symmetrically. The wire-receiving port is arranged between the two splicing plates. Two insertion rods and two insertion slots are respectively arranged on the opposite sides of the two splicing plates facing each other. The insertion rods are in insertion connection with the insertion slots.

[0008] Preferably, the rotation driving mechanism includes a plurality of worm gears and worms arranged in a linear array. Each worm gear is meshed with each worm respectively. The worm gears and worms are both rotatably connected to the installation plate. And the worm gears are located on one side of the splicing plates.

[0009] Preferably, a semi-gear is fixedly connected to the outside of the splicing plate. The two semi-gears are combined into a whole first straight gear. A second straight gear meshed with the first straight gear is fixedly connected to one side of the worm gear.

[0010] Preferably, a connecting rod and a plurality of ratchet groups arranged in a linear array are rotatably connected to the installation plate. The ratchet group includes two bevel gears meshed with each other. The two bevel gears are respectively fixedly sleeved on the outside of the connecting rod and one end of the worm. A rocker is fixedly connected to the movable end of the connecting rod.

[0011] Preferably, an installation groove is formed at the notch of the storage groove. The turntable is arranged in the cavity of the installation groove. An internal thread is provided at the notch of the installation groove. A threaded ring is in threaded connection with the internal thread. A plurality of pull rods arranged in a circumferential array are fixedly connected to the upper part of the threaded ring. The threaded ring is not in contact with the other side of the turntable.

[0012] Preferably, a rolling ball is arranged in the cavity of the wire-receiving port. The rolling ball includes two hemispherical blocks. A wire-sheathing groove is formed between the two hemispherical blocks. The outer wall of the rolling ball is in contact with the inner wall of the wire-receiving port.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. In this application, an installation plate is provided, and a storage groove box turntable is arranged on the installation plate. By rotating the turntable, the wire can be wound around the outside of the storage rod, and at the same time, the wound wire can be stored in the storage groove. Therefore, the use of the wire storage box becomes simple and convenient, and the method of storing the wire can also comb the wire and avoid the wires being tangled with each other. Therefore, the usability of the handheld partial discharge detection device can be effectively improved.

[0015] 2. In this application, by setting the connecting rod, worm gear and worm, it is very simple and convenient to store each wire at the same time. Therefore, the usability of the handheld partial discharge detection device can be further improved.

[0016] 3. In this application, the turntable is assembled by setting two splicing plates, which facilitates the disassembly and assembly of the turntable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional schematic diagram of the whole handheld partial discharge detection device of the present utility model;

[0018] Figure 2 is a three-dimensional schematic diagram of the device body of the handheld partial discharge detection device of the present utility model;

[0019] Figure 3 is a three-dimensional schematic diagram of the installation plate of the handheld partial discharge detection device of the present utility model;

[0020] Figure 4 is a sectional structure schematic diagram of the installation plate of the handheld partial discharge detection device of the present utility model;

[0021] Figure 5 is a three-dimensional schematic diagram of the turntable of the handheld partial discharge detection device of the present utility model;

[0022] Figure 6 is a three-dimensional schematic diagram of the cooperation of the installation plate, connecting rod and worm gear of the handheld partial discharge detection device of the present utility model.

[0023] Reference numerals in the figures: 1. Device body; 2. Installation plate; 3. Storage groove; 4. Storage rod; 5. Turntable; 501. Splicing plate; 502. Insertion rod; 6. Wire receiving port; 7. Plug-in port; 8. Connecting rod; 9. Bevel gear; 10. Ball; 11. Worm gear; 12. Worm; 13. Threaded ring; 14. Wire slot; 15. Through hole; 16. Installation groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Embodiment: As Figure 1 - Figure 6 shown, the present invention provides a technical solution for a handheld partial discharge detection device, including a device body 1. A mounting plate 2 is provided at the front end of the device body 1. Two fixing openings are provided on one side of the mounting plate 2. Bolts are inserted and connected in the fixing openings. Fixing grooves are provided at the corresponding positions of the device body 1 relative to the fixing openings. The bolts are threadedly connected to the fixing grooves. A plurality of receiving grooves 3 distributed in a linear array are provided on one side of the mounting plate 2. A receiving rod 4 is fixedly connected to the inner wall of the receiving groove 3. A turntable 5 is provided at the notch of the receiving groove 3. The turntable 5 is located on one side of the receiving rod 4. A through wire receiving opening 6 is provided on one side of the turntable 5. A rotation driving mechanism for adjusting the rotation of the turntable 5 is provided on the mounting plate 2. A through opening 15 is formed on the inner wall of the receiving groove 3. The through opening 15 is located on one side of the receiving rod 4. A plug-in port 7 is provided at the corresponding position of the device body 1 relative to the through opening 15. The plug-in port 7 is electrically connected to a plug. The plug is electrically connected to a wire. The wire is slidably connected in the cavity of the wire receiving opening 6;

[0026] One end of the wire sequentially passes through the wire receiving opening 6, the cavity of the receiving groove 3, and the cavity of the through opening 15, and is plugged and connected to the plug-in port 7 by the plug, so that the wire is electrically connected to the device body 1. Then, the turntable 5 is rotated. The turntable 5 drives the wire to be wound around the outside of the receiving rod 4, and the wound wire is located in the cavity of the receiving groove 3, so that the wire can be stored.

[0027] As Figure 5 shown, the turntable 5 includes two symmetrically arranged splicing plates 501. The wire receiving opening 6 is provided between the two splicing plates 501. Two insertion rods 502 and two slots are respectively provided on the opposite sides of the two splicing plates 501. The insertion rod 502 is inserted and connected to the slot;

[0028] The turntable 5 can be disassembled and assembled by using the two splicing plates 501, so that the wire can be put into the cavity of the wire receiving opening 6, so as to facilitate the turntable 5 to be sleeved on the wire;

[0029] The wire receiving opening 6 is located on one side of the receiving rod 4, and the wire receiving opening 6 is located at an eccentric position of the turntable 5.

[0030] As Figure 3 and Figure 6As shown, the rotation drive mechanism includes worm wheels 11 and worm shafts 12 distributed in a linear array. Each worm wheel 11 is meshed and connected with each worm shaft 12. Both the worm wheels 11 and the worm shafts 12 are rotatably connected to the mounting plate 2, and the worm wheels 11 are located on one side of the splicing plate 501.

[0031] As Figure 6 shown, a semi-gear is fixedly connected to the outside of the splicing plate 501. Two semi-gears are combined into a whole first spur gear. A second spur gear meshed with the first spur gear is fixedly connected to one side of the worm wheel 11.

[0032] By rotating the worm shaft 12, the worm shaft 12 drives the second spur gear to rotate by means of the worm wheel 11. The second spur gear drives the first spur gear to rotate, and the first spur gear drives the turntable 5 to rotate. A through side port is formed on one side of the storage groove 3, and the first spur gear is located in the cavity of the side port.

[0033] As Figure 3 and Figure 6 shown, a connecting rod 8 and a linear array of ratchet groups are rotatably connected to the mounting plate 2. The ratchet group includes two bevel gears 9 meshed with each other. The two bevel gears 9 are respectively fixedly sleeved on the outside of the connecting rod 8 and one end of the worm shaft 12. A rocker is fixedly connected to the movable end of the connecting rod 8.

[0034] By rotating the connecting rod 8, the connecting rod 8 drives the worm shaft 12 to rotate by means of the two bevel gears 9.

[0035] As Figure 3 and Figure 4 shown, an installation groove 16 is formed at the notch of the storage groove 3. The turntable 5 is arranged in the cavity of the installation groove 16. A threaded ring 13 is threadedly connected to the notch of the installation groove 16 through the provided internal thread. A pull rod distributed in a circumferential array is fixedly connected to the upper part of the threaded ring 13. The threaded ring 13 is not in contact with the turntable 5 on the other side.

[0036] The threaded ring 13 is used to limit the movement range of the turntable 5 in the cavity of the installation groove 16.

[0037] As Figure 5 shown, a rolling ball 10 is arranged in the cavity of the wire take-up port 6. The rolling ball 10 includes two hemispherical blocks, and a wire winding groove 14 is formed between the two hemispherical blocks. The outer wall of the rolling ball 10 is in contact with the inner wall of the wire take-up port 6.

[0038] The rolling ball 10 can adapt to the movement of the wire in the cavity of the wire take-up port 6 and reduce the friction between the outer wall of the wire and the inner wall of the wire take-up port 6.

[0039] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A hand-held partial discharge detection device, characterized in that: It includes a device body (1). A mounting plate (2) is provided at the front end of the device body (1). A receiving groove (3) distributed in a linear array is formed on one side of the mounting plate (2). A receiving rod (4) is fixedly connected to the inner wall of the receiving groove (3). A turntable (5) is provided at the notch of the receiving groove (3). A through wire-receiving port (6) is formed on one side of the turntable (5). A rotation driving mechanism for adjusting the rotation of the turntable (5) is provided on the mounting plate (2). A through port (15) is formed on the inner wall of the receiving groove (3). A plug-in port (7) is provided at the corresponding position of the device body (1) relative to the through port (15).

2. The handheld partial discharge detection device according to claim 1, characterized in that: The turntable (5) includes two symmetrically arranged splicing plates (501). The wire-receiving port (6) is arranged between the two splicing plates (501). Two insertion rods (502) and two slots are respectively arranged on the opposite sides of the two splicing plates (501). The insertion rods (502) are inserted and connected with the slots.

3. The handheld partial discharge detection device according to claim 2, characterized in that: The rotation driving mechanism includes worm wheels (11) and worm gears (12) distributed in a linear array. Each worm wheel (11) is meshed and connected with each worm gear (12). The worm wheels (11) and the worm gears (12) are both rotatably connected to the mounting plate (2), and the worm wheels (11) are located on one side of the splicing plates (501).

4. The hand-held partial discharge detection device according to claim 3, characterized in that: A half gear is fixedly connected to the outside of the splicing plate (501). The two half gears are combined into a whole spur gear. A second spur gear meshed and connected with the first spur gear is fixedly connected to one side of the worm wheel (11).

5. The handheld partial discharge detection device according to claim 1, wherein: A connecting rod (8) is rotatably connected to the mounting plate (2), and a set of ratchet teeth is distributed in a linear array. The set of ratchet teeth includes two bevel gears (9) meshed and connected with each other. The two bevel gears (9) are respectively fixedly sleeved on the outside of the connecting rod (8) and one end of the worm gear (12).

6. The handheld partial discharge detection device according to claim 1, characterized in that: An installation groove (16) is formed at the notch of the receiving groove (3). The turntable (5) is arranged in the cavity of the installation groove (16). A threaded ring (13) is threadedly connected to the notch of the installation groove (16) through internal threads provided thereon.

7. A hand-held partial discharge detection device according to claim 1, characterized in that: A rolling ball (10) is arranged in the cavity of the wire-receiving port (6). The rolling ball (10) includes two hemispherical blocks, and a wire-sleeving groove (14) is formed between the two hemispherical blocks.

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