CN216718581U - Partial discharge detector - Google Patents
Partial discharge detector Download PDFInfo
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- CN216718581U CN216718581U CN202122927754.XU CN202122927754U CN216718581U CN 216718581 U CN216718581 U CN 216718581U CN 202122927754 U CN202122927754 U CN 202122927754U CN 216718581 U CN216718581 U CN 216718581U
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- partial discharge
- discharge detector
- fixedly connected
- detector body
- heat dissipation
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Abstract
The utility model provides a partial discharge detector, which belongs to the technical field of partial discharge detectors and comprises a partial discharge detector body, wherein the front end of the partial discharge detector body is provided with a fixed groove, the lower inner wall of the fixed groove is fixedly connected with a motor, and the lower inner wall of the fixed groove is fixedly connected with two fourth connecting plates; and the heat dissipation mechanism comprises a motor, a first conical gear, a second conical gear, a heat dissipation assembly, a third conical gear, two first heat dissipation fans and a heat dissipation plate, wherein the two heat dissipation plates are fixedly connected to the top end of the partial discharge detector body, the third conical gear can drive parts in the cooling mechanism to run when rotating, and the first heat dissipation fans in the fixing grooves can be rapidly cooled by the cooperation of the cooling assembly and the cooling mechanism to achieve the cooling effect.
Description
Technical Field
The utility model belongs to the technical field of partial discharge detectors, and particularly relates to a partial discharge detector.
Background
In the prior art, when an electrical device generates partial discharge, electromagnetic waves are generated, and when the electromagnetic waves propagate outwards, a transient voltage-to-ground signal is generated, the magnitude of the transient voltage-to-ground signal has a direct relation with the intensity of the partial discharge and the distance of a discharge point, and the transient voltage-to-ground signal can be detected by using a special detector, namely a partial discharge detector.
However, in the prior art, the existing partial discharge detector has a single structure, and when a worker frequently operates the device, the heat dissipation effect of parts inside the device is poor, so that the partial discharge detector is easy to damage and cause certain danger to a user when in use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a partial discharge detector, and aims to solve the problems that the existing partial discharge detector in the prior art is single in structure, and when a worker frequently operates a device, the heat dissipation effect of parts in the device is poor, so that the partial discharge detector is easy to damage and cause certain danger to a user when in use.
In order to achieve the purpose, the utility model provides the following technical scheme:
a partial discharge detector, comprising:
the detector comprises a partial discharge detector body, wherein a fixed groove is formed in the front end of the partial discharge detector body, a motor is fixedly connected to the lower inner wall of the fixed groove, and two fourth connecting plates are fixedly connected to the lower inner wall of the fixed groove; and
the heat dissipation mechanism comprises a motor, a first bevel gear, a second bevel gear, a heat dissipation assembly, a third bevel gear, two first heat dissipation fans and heat dissipation plates, wherein the heat dissipation plates are fixedly connected to the top end of the partial discharge detector body, circuit boards are fixedly connected to the inner walls of the two sides of the fixing groove, two first rotating rods are rotatably connected to the ends, close to the heat dissipation plates, of the heat dissipation plates, two first rotating rods are movably connected to the circumferential surfaces of the two first rotating rods, penetrate through the far ends of the two fourth connecting plates and are rotatably connected to the near ends, close to the two fourth connecting plates, of the four fourth connecting plates, the first bevel gear is fixedly connected to the circumferential surface of the motor, the second bevel gear and the third bevel gear are fixedly connected to the circumferential surfaces of the two first rotating rods respectively, the first bevel gear, the second bevel gear and the third bevel gear are meshed, and the heat dissipation assembly is arranged in the fixing groove, the heat dissipation assembly is connected with the partial discharge detector body to dissipate heat of the circuit board.
As a preferred embodiment of the present invention, the heat dissipation assembly includes a second heat dissipation fan, a plurality of air holes and a filter screen, the second heat dissipation fan is fixedly connected to inner walls of two sides of the fixing groove, the plurality of air holes are respectively formed at two ends of the partial discharge detector body, and the filter screen is fixedly connected to each of the plurality of air holes
As a preferable scheme of the present invention, a second connecting plate is disposed on the rear side of the partial discharge detector body, universal wheels are fixedly connected to four corners of the bottom end of the second connecting plate, and a measurer is fixedly connected to the top end of the second connecting plate.
As a preferable scheme of the present invention, a protection plate is fixedly connected to a top end of the second connection plate, and two charging grooves are formed at one side end of the partial discharge detector body.
As a preferred scheme of the present invention, two receiving grooves are formed at the top end of the partial discharge detector body, a heat dissipation hole is formed at the front end of the partial discharge detector body, and a third connection plate is fixedly connected to the front end of the partial discharge detector body.
As a preferred embodiment of the present invention, both ends of the partial discharge detector body are fixedly connected with first connection plates, a screw is connected to a top end of the first connection plate through a thread, and a support plate is fixedly connected to a bottom end of the screw
Compared with the prior art, the utility model has the beneficial effects that:
1. in this scheme, when needing to cool down to the first radiator fan in the device, the staff can use the PLC controller to control the motor and start, and when the motor started, the output shaft of motor can drive fixed surface's third bevel gear and make its rotation, can drive the part operation in the cooling mechanism when third bevel gear rotates, and wherein the cooperation of cooling subassembly and cooling mechanism can make the interior first radiator fan of fixed slot cool down rapidly, reaches the effect of cooling.
2. In this scheme, guard plate itself adopts the plastic material to make, and the area of guard plate is bigger than second connecting plate itself to can protect the corner of second connecting plate itself through the guard plate, accomodate the groove and set up on the top of partial discharge detector body, the front end at the partial discharge detector body is set up to louvre itself, louvre itself plays supplementary ventilative effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a first perspective cutaway view of the present invention;
FIG. 3 is a perspective cut-away view from a second perspective of the present invention;
fig. 4 is a first perspective side view of the present invention.
In the figure: 1. a partial discharge detector body; 2. a second connecting plate; 3. a third connecting plate; 4. air holes are formed; 5. a filter screen; 6. a receiving groove; 7. a charging slot; 8. heat dissipation holes; 9. a first connecting plate; 10. a screw; 11. a support plate; 12. a protection plate; 13. a measurer; 14. fixing grooves; 15. a heat dissipation plate; 16. a fourth connecting plate; 17. a motor; 18. a first bevel gear; 19. a second bevel gear; 20. a third bevel gear; 21. a circuit board; 22. a first heat dissipation fan; 23. a second heat dissipation fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments 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.
Example 1
Referring to fig. 1-4, the present invention provides the following technical solutions:
a partial discharge detector, comprising:
the detector comprises a partial discharge detector body 1, wherein a fixing groove 14 is formed in the front end of the partial discharge detector body 1, a motor 17 is fixedly connected to the lower inner wall of the fixing groove 14, and two fourth connecting plates 16 are fixedly connected to the lower inner wall of the fixing groove 14; and
the heat dissipation mechanism comprises a motor 17, a first bevel gear 18, a second bevel gear 19, a heat dissipation assembly, a third bevel gear 20, two first heat dissipation fans 22 and heat dissipation plates 15, wherein the two heat dissipation plates 15 are fixedly connected to the top end of the partial discharge detector body 1, circuit boards 21 are fixedly connected to the inner walls of the two sides of the fixing groove 14, two first rotating rods are rotatably connected to the ends, close to each other, of the two heat dissipation plates 15, the two first rotating rods movably penetrate through the far ends of the two fourth connecting plates 16 respectively and are rotatably connected to the near ends of the two fourth connecting plates 16 respectively, the first bevel gear 18 is fixedly connected to the circumferential surface of the motor 17, the second bevel gear 19 and the third bevel gear 20 are fixedly connected to the circumferential surfaces of the two first rotating rods respectively, and the first bevel gear 18, the second bevel gear 19 and the third bevel gear 20 are meshed with each other, the heat dissipation assembly is arranged in the fixing groove 14, and the heat dissipation assembly is connected with the partial discharge detector body 1 to dissipate heat of the circuit board 21.
In the embodiment of the utility model, the partial discharge detector body 1 is square, the plurality of air vents 4 are arranged at the front end of the partial discharge detector body 1 in a circular manner, the plurality of filter screens 5 are respectively fixed on the inner circumferential wall of the air vents 4 in an adhesive manner, the filter screens 5 are used for filtering dust in air, the third connecting plate 3 is fixed at the front end of the partial discharge detector body 1 in a welding manner, the third connecting plate 3 is square, the charging groove 7 is arranged at one side end of the partial discharge detector body 1 in a square manner and is used for electrically connecting the partial discharge detector body 1, the two accommodating grooves 6 are arranged at the top end of the partial discharge detector body 1 in a square manner, the accommodating grooves 6 are used for accommodating working supplies required by a worker, the rear side of the partial discharge detector body 1 is connected with the second connecting plate 2 through a line, the second connecting plate 2 is used for connecting the measurer 13, the measurer 13 can measure the electromagnetic signals, the second cooling fan 23 is electrically connected with an external power supply, the second cooling fan 23 is fixed on the inner walls of two sides of the fixed groove 14, the second cooling fan 23 is used for discharging air in the fixed groove 14 from the fixed groove 14, the fourth connecting plate 16 is fixed on the lower inner wall of the fixed groove 14 in a welding mode, the fourth connecting plate 16 is square and straight, the two first rotating rods respectively rotate at the near ends of the two fourth connecting plates 16, the partial discharge detector body 1 and the protective plate 12 mainly test the partial discharge performance of the high-voltage cable, the partial discharge detector body 1 is provided with a pulse peak value indication testing system which adopts a direct method, a bridge balance method and a current pulse method, and the partial discharge detector system is provided with computer program-controlled filtering, The partial discharge detector body 1 can use a direct method, a bridge balance method, a complex rate n, an average discharge current I and a square rate D, can be used as various map software with the functions of statistical evaluation of test results and partial discharge fault automatic identification based on partial discharge data, and can be used for controlling and operating the motor 17 by a worker by using a PLC (programmable logic controller), wherein the functions of amplification, sampling, storage, display and the like are synchronously performed: what type of the second cooling fan 23, the second connecting plate 2, the measurer 13, and the partial discharge detector body 1 are specifically used is selected by a person skilled in the art, and the second cooling fan 23, the second connecting plate 2, the measurer 13, the partial discharge detector body 1, and the like all belong to the prior art.
Specifically, referring to fig. 1 to 4, the heat dissipation assembly includes a second heat dissipation fan 23, a plurality of air holes 4 and a filter screen 5, the second heat dissipation fan 23 is fixedly connected to inner walls of two sides of the fixing groove 14, the plurality of air holes 4 are all formed at two ends of the partial discharge detector body 1, and the filter screen 5 is fixedly connected to the interior of the plurality of air holes 4.
In this embodiment: a plurality of bleeder vents 4 are circular and are seted up at the both ends of partial discharge detector body 1, and bleeder vent 4 itself is used for carrying out the steam of exhausting in the fixed slot 14, and filter screen 5 is arranged in filtering the dust in the hot-air.
Specifically, referring to fig. 1-3, a second connecting plate 2 is disposed at the rear side of the partial discharge detector body 1, universal wheels are fixedly connected to four corners of the bottom end of the second connecting plate 2, and a measurer 13 is fixedly connected to the top end of the second connecting plate 2.
In this embodiment: second connecting plate 2 itself and external power source electric connection, electric connection between partial discharge detector body 1 and the second connecting plate 2, the data transmission that caliber 13 detected finishing is for second connecting plate 2, and partial discharge detector body 1 is transmitted to the signal connection of rethread second connecting plate 2 and partial discharge detector body 1, makes the numerical value of partial discharge detector body 1 itself change.
Specifically, referring to fig. 1 to 4, a protection plate 12 is fixedly connected to the top end of the second connection plate 2, and two charging slots 7 are formed in one side end of the partial discharge detector body 1.
In this embodiment: the protection plate 12 is made of plastic materials, the area of the protection plate 12 is larger than that of the second connection plate 2, and corners of the second connection plate 2 can be protected through the protection plate 12.
Specifically, referring to fig. 1, two accommodating grooves 6 are formed in the top end of the partial discharge detector body 1, heat dissipation holes 8 are formed in the front end of the partial discharge detector body 1, and a third connecting plate 3 is fixedly connected to the front end of the partial discharge detector body 1.
In this embodiment: the accommodating groove 6 is formed in the top end of the partial discharge detector body 1, the heat dissipation holes 8 are formed in the front end of the partial discharge detector body 1, and the heat dissipation holes 8 play a role in assisting ventilation.
Specifically, referring to fig. 1-4, the two ends of the partial discharge detector body 1 are fixedly connected with first connection plates 9, the top end of the first connection plate 9 is connected with a screw 10 through a thread, and the bottom end of the screw 10 is fixedly connected with a support plate 11.
In this embodiment: first connecting plate 9 adopts the welded mode to fix at the both ends of partial discharge detector body 1, first connecting plate 9 itself is squarely, screw rod 10 screw thread itself is on first connecting plate 9's top, the staff can adjust the height of partial discharge detector body 1 itself through rotating screw rod 10, backup pad 11 adopts the mode of bonding to fix the bottom at screw rod 10, backup pad 11 itself adopts the plastic material, the staff can carry out the adaptability to the shape of backup pad 11 and change, thereby improve the height to the device.
The working principle and the using process of the utility model are as follows: when the partial discharge detector body 1 is used for testing the partial discharge performance of a high-voltage cable for a long time, the protection plate 12 fixed in the partial discharge detector body 1 generates heat, when the protection plate 12 generates heat, a worker can use a PLC (programmable logic controller) to control and start the motor 17, when the motor 17 is started, the output shaft of the motor 17 can drive the third bevel gear 20 on the surface to rotate, the third bevel gear 20 can drive the second bevel gear 19 and the third bevel gear 20 on the surface to rotate, the rotating directions of the second bevel gear 19 and the third bevel gear 20 are not consistent, the second bevel gear 19 and the third bevel gear 20 can drive the first rotating rods to rotate when rotating, the first rotating rods can drive the first cooling fan 22 fixed on the surface to rotate when rotating, the air generated by the circuit board 21 and heated by the cooling plate 15 can be sucked into the center position of the fixing groove 14 when the two protection plates 12 rotate, the second heat dissipation fan 23 itself then discharges the heat at the center of the fixing groove 14, thereby cooling the circuit board 21.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Partial discharge detector, its characterized in that includes:
the detector comprises a partial discharge detector body (1), wherein a fixing groove (14) is formed in the front end of the partial discharge detector body (1), a motor (17) is fixedly connected to the lower inner wall of the fixing groove (14), and two fourth connecting plates (16) are fixedly connected to the lower inner wall of the fixing groove (14); and
heat dissipation mechanism, heat dissipation mechanism includes motor (17), first bevel gear (18), second bevel gear (19), radiator unit, third bevel gear (20), two first radiator fan (22) and heating panel (15), two equal fixed connection in the top of partial discharge detector body (1) of heating panel (15), the equal fixedly connected with circuit board (21) of both sides inner wall of fixed slot (14), two the end rotation that is close to mutually of heating panel (15) is connected with two first pivot poles, two first pivot pole activity runs through keeping away from the end and rotating the near-end that leans on in two fourth connecting plates (16) mutually of two fourth connecting plates (16) respectively, first bevel gear (18) fixed connection is in the circumferential surface of motor (17), second bevel gear (19) and third bevel gear (20) are fixed connection in the circumferential surface of two first pivot poles respectively, the first bevel gear (18), the second bevel gear (19) and the third bevel gear (20) are meshed, the heat dissipation assembly is arranged in the fixing groove (14), and the heat dissipation assembly is connected with the partial discharge detector body (1) to dissipate heat of the circuit board (21).
2. The partial discharge detector of claim 1, wherein: radiator unit includes second radiator fan (23), a plurality of bleeder vent (4) and filter screen (5), second radiator fan (23) fixed connection is in the both sides inner wall of fixed slot (14), and is a plurality of both ends of partial discharge detector body (1) are all seted up in bleeder vent (4), and are a plurality of equal fixedly connected with filter screen (5) in bleeder vent (4).
3. The partial discharge detector of claim 2, wherein: the rear side of partial discharge detector body (1) is equipped with second connecting plate (2), the equal fixedly connected with universal wheel in bottom four corners department of second connecting plate (2), the top fixedly connected with caliber (13) of second connecting plate (2).
4. The partial discharge detector of claim 3, wherein: the top fixedly connected with guard plate (12) of second connecting plate (2), two charging grooves (7) have been seted up to one side end of partial discharge detector body (1).
5. The partial discharge detector of claim 4, wherein: the detector is characterized in that two accommodating grooves (6) are formed in the top end of the partial discharge detector body (1), heat dissipation holes (8) are formed in the front end of the partial discharge detector body (1), and a third connecting plate (3) is fixedly connected to the front end of the partial discharge detector body (1).
6. The partial discharge detector of claim 5, wherein: the detector is characterized in that first connecting plates (9) are fixedly connected to two ends of the partial discharge detector body (1), a screw rod (10) is connected to the top end of each first connecting plate (9) in a threaded mode, and a supporting plate (11) is fixedly connected to the bottom end of each screw rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122927754.XU CN216718581U (en) | 2021-11-26 | 2021-11-26 | Partial discharge detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122927754.XU CN216718581U (en) | 2021-11-26 | 2021-11-26 | Partial discharge detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216718581U true CN216718581U (en) | 2022-06-10 |
Family
ID=81881026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122927754.XU Active CN216718581U (en) | 2021-11-26 | 2021-11-26 | Partial discharge detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216718581U (en) |
-
2021
- 2021-11-26 CN CN202122927754.XU patent/CN216718581U/en active Active
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