CN214174539U - Power cable partial discharge detection device - Google Patents
Power cable partial discharge detection device Download PDFInfo
- Publication number
- CN214174539U CN214174539U CN202022670973.XU CN202022670973U CN214174539U CN 214174539 U CN214174539 U CN 214174539U CN 202022670973 U CN202022670973 U CN 202022670973U CN 214174539 U CN214174539 U CN 214174539U
- Authority
- CN
- China
- Prior art keywords
- partial discharge
- control box
- shielding control
- front panel
- detection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
The utility model discloses a power cable partial discharge detection device relates to partial discharge detection device technical field. The utility model comprises a shielding control box, a supporting base and a telescopic adjusting rod; the supporting base is fixedly connected with the shielding control box through a telescopic adjusting rod; the shielding control box comprises a box body and a front panel; a plurality of mounting holes are symmetrically formed in the surface of the front panel; the display screen is arranged on the surface of the front panel; the surface of the front panel is provided with a plurality of threading holes at one side of the display screen. The utility model ensures that the PD-HAT partial discharge detector is fixedly arranged in the shielding control box, and avoids external electromagnetic interference when the partial discharge is measured by adopting a Transient Earth Voltage (TEV) measuring mode; the height of the shielding control box from the ground can be adjusted by adjusting the telescopic adjusting rod, so that the shielding control box is far away from accumulated water on the ground; the device simple structure, convenient to carry are adapted to adverse circumstances, improve the accuracy of testing result.
Description
Technical Field
The utility model belongs to the technical field of partial discharge detection device, especially, relate to a power cable partial discharge detection device.
Background
Currently, a PD-HAT partial discharge detector is adopted for detecting partial discharge of a power cable entering and exiting a switch cabinet, a method for detecting partial discharge by using the currently popular DE1 Transient Earth Voltage (TEV) and ultrasonic waves (AE) is adopted, and the external TEV antenna receives partial discharge radiation inside the switch cabinet and generates transient earth voltage and ultrasonic signals. The PD-HAT uses transient earth voltage as a main detection method, ultrasonic waves as an auxiliary detection means and an HFCT detection mode, can carry out all-around detection on the local discharge of the switch cabinet, integrates an HFCT test channel into a detection instrument, and can be connected into an HFCT sensor to detect the local discharge condition of a cable entering and exiting the switch cabinet. The HFCT detection method is one of the current electrified detection standard recommendation methods, and detects the grounding current of the terminal end screen of the incoming and outgoing cable of the switch cabinet by using an HFCT sensor, so that the local discharge in the cable is found.
Under the severe environment condition, particularly when the ground has more water accumulation, corresponding waterproof protection measures need to be carried out on the instrument so as to avoid damaging the instrument, and a Transient Earth Voltage (TEV) measurement mode is easily influenced by external electromagnetic interference and an ultrasonic (AE) measurement mode is easily influenced by on-site mechanical vibration; so that the accuracy of the detection result is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a power cable partial discharge detection device, through installing PD-HAT partial discharge detector inside the shielding control box fixedly, avoid external electromagnetic interference when guaranteeing to adopt Transient Earth Voltage (TEV) measurement mode to measure partial discharge; the height of the shielding control box from the ground can be adjusted by adjusting the telescopic adjusting rod, so that the shielding control box is prevented from being influenced by accumulated water on the bottom surface; through the setting of connecting spring, play shock attenuation, fixed connection's effect, solved current problem.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a power cable partial discharge detection device, which comprises a shielding control box, a supporting base and a telescopic adjusting rod; the supporting base is fixedly connected with the shielding control box through a telescopic adjusting rod; the shielding control box comprises a box body and a front panel; a plurality of mounting holes are symmetrically formed in the surface of the front panel; the display screen is arranged on the surface of the front panel; the surface of the front panel is provided with a plurality of threading holes at one side of the display screen.
Further, the mounting hole is fixedly connected with a handle through a fastening screw.
Furthermore, a through channel is formed in the side surface of the supporting base; and a plurality of water through holes are formed in both sides of the inner wall of the through channel.
Furthermore, a plurality of connecting springs are fixedly connected between the supporting base and the bottom plate of the box body in a circumferential array distribution.
Furthermore, the side surface of the periphery of the telescopic adjusting rod is provided with an adjusting valve.
The utility model discloses following beneficial effect has:
the PD-HAT partial discharge detector is fixedly arranged in the shielding control box, so that the partial discharge is measured in a Transient Earth Voltage (TEV) measuring mode without external electromagnetic interference; the height of the shielding control box from the ground can be adjusted by adjusting the telescopic adjusting rod, so that the shielding control box is far away from accumulated water on the ground; the connecting spring is arranged to play a role in shock absorption protection and fixed connection; the device simple structure, convenient to carry are adapted to adverse circumstances, improve the accuracy of testing result.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a power cable partial discharge detection device of the present invention;
fig. 2 is a schematic structural view of the support base of the present invention;
fig. 3 is a schematic structural view of the front panel of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-shielding control box, 2-supporting base, 3-telescopic adjusting rod, 4-handle, 5-connecting spring, 101-box body, 102-front panel, 103-mounting hole, 104-display screen, 105-threading hole, 201-through channel, 202-limber hole and 301-adjusting valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-3, the present invention relates to a power cable partial discharge detection device, which comprises a shielding control box 1, a supporting base 2 and a telescopic adjusting rod 3; the supporting base 2 is fixedly connected with the shielding control box 1 through a telescopic adjusting rod 3; the shielding control box 1 comprises a box body 101 and a front panel 102; a plurality of mounting holes 103 are symmetrically formed on the surface of the front panel 102; the front panel 102 is provided with a display screen 104 on the surface; a plurality of threading holes 105 are formed in the surface of the front panel 102 at one side of the display screen 104; by fixedly installing the PD-HAT partial discharge detector inside the shielding control box 1, part of the detection cable of the partial discharge detector penetrates out through the threading hole 105, and the detection result is displayed through the display screen 104.
Referring to fig. 1 and 3, the mounting hole 103 is fixedly connected with the handle 4 through a fastening screw; the handle 4 is arranged, so that the whole device is convenient to carry and transfer.
Referring to fig. 1 and 2, a through channel 201 is formed on a side surface of the supporting base 2; both sides of the inner wall of the through channel 201 are provided with a plurality of water through holes 202; through the opening of the through channel 201 and the limber hole 202, the surface water can smoothly pass through the supporting base 2, and the whole device can be prevented from being washed away by water flow.
Referring to fig. 1 and 2, a plurality of connecting springs 5 are fixedly connected between the supporting base 2 and the bottom plate of the box 101 in a circumferential array; through the arrangement of the connecting springs 5, the telescopic adjusting rod 3 plays a role in shock absorption, protection and connection on the whole device in the telescopic process.
Referring to fig. 1 and 2, an adjusting valve 301 is disposed on the circumferential side of the telescopic adjusting rod 3; through adjusting the regulating valve 301, the telescopic regulating rod 3 is made to perform telescopic motion, and the shielding control box 1 is driven to perform displacement in height.
The utility model discloses a concrete theory of operation does:
the utility model discloses shielding control box 1 all adopts aviation aluminum alloy AL6061 processing concatenation to accomplish, and part surface treatment adopts electrically conductive oxidation treatment, and the surface sprays paint, makes quick-witted case whole have good electric conductivity. Mounting grooves of rubber shielding strips are processed on spliced contact surfaces of the shielding control box 1, so that the chassis is subjected to omnibearing electromagnetic shielding, the PD-HAT partial discharge detector is fixedly mounted inside the shielding control box 1, part of detection cables of the partial discharge detector penetrate through the threading holes 105, and a detection result is displayed through the display screen 104; through adjusting regulation valve 301 for telescopic adjusting pole 3 carries out concertina movement, drives shielding control box 1 and carries out displacement in the height, makes shielding control box 1 keep away from surface ponding.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A power cable partial discharge detection device comprises a shielding control box (1), a supporting base (2) and a telescopic adjusting rod (3); the supporting base (2) is fixedly connected with the shielding control box (1) through a telescopic adjusting rod (3);
the method is characterized in that:
the shielding control box (1) comprises a box body (101) and a front panel (102); a plurality of mounting holes (103) are symmetrically formed in the surface of the front panel (102); a display screen (104) is arranged on the surface of the front panel (102); the surface of the front panel (102) is provided with a plurality of threading holes (105) at one side of the display screen (104).
2. A power cable partial discharge detection device according to claim 1, characterized in that the mounting hole (103) is fixedly connected with a handle (4) by means of a fastening screw.
3. A power cable partial discharge detection device according to claim 1, characterized in that the side of the support base (2) is provided with a through channel (201); and a plurality of water through holes (202) are formed in both sides of the inner wall of the through channel (201).
4. A power cable partial discharge detection device according to claim 1, characterized in that a plurality of connection springs (5) are fixedly connected between the supporting base (2) and the bottom plate of the box (101) in a circumferential array.
5. A power cable partial discharge detection device according to claim 1, characterized in that the adjusting valve (301) is arranged on the peripheral side of the telescopic adjusting rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022670973.XU CN214174539U (en) | 2020-11-18 | 2020-11-18 | Power cable partial discharge detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022670973.XU CN214174539U (en) | 2020-11-18 | 2020-11-18 | Power cable partial discharge detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214174539U true CN214174539U (en) | 2021-09-10 |
Family
ID=77600828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022670973.XU Active CN214174539U (en) | 2020-11-18 | 2020-11-18 | Power cable partial discharge detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214174539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117825765A (en) * | 2024-03-06 | 2024-04-05 | 国网山东省电力公司菏泽供电公司 | Power distribution network line loss investigation detection device |
-
2020
- 2020-11-18 CN CN202022670973.XU patent/CN214174539U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117825765A (en) * | 2024-03-06 | 2024-04-05 | 国网山东省电力公司菏泽供电公司 | Power distribution network line loss investigation detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214174539U (en) | Power cable partial discharge detection device | |
| CN112394264A (en) | Partial discharge detection device for GIS switch device | |
| CN107356825A (en) | A kind of disc insulator model surface charge detecting device | |
| CN208421144U (en) | A kind of novel zero insulation detection device | |
| CN218704017U (en) | Unmanned aerial vehicle inspection device | |
| CN107907798A (en) | A kind of GIS shading rings extraction-type sensor | |
| CN216696482U (en) | Lightning arrester lightning monitor | |
| CN208421145U (en) | A kind of novel spark detection device | |
| CN204142895U (en) | Non-contact type ultrasonic sensing device | |
| CN213636615U (en) | High-rise monitoring lightning protection device for skynet system | |
| AU2020299392B2 (en) | Antenna for use with lightning detection sensor | |
| CN114173299A (en) | Intelligent end screen sensor device based on wireless transmission | |
| CN117031181B (en) | Sensor fitting judgment system, method and detection device based on current measurement | |
| CN215575379U (en) | Radio frequency test box | |
| CN214895613U (en) | Multi-principle partial discharge monitoring device | |
| CN215728595U (en) | Semiconductor insulation testing device | |
| CN216900640U (en) | Adjustable electrical detection device | |
| CN217009968U (en) | Integrated system control cabinet convenient to walk line | |
| CN103543341A (en) | Lightning fast-slow electric field change measurement antenna capable of preventing raindrops from carrying electricity | |
| CN218727747U (en) | A testing arrangement for information technology equipment dielectric strength | |
| CN212781194U (en) | Safety detection device for electrical instrument | |
| CN220455402U (en) | Resistivity measurement auxiliary device and resistivity measurement equipment | |
| CN214335123U (en) | Wireless multifunctional partial discharge detector | |
| CN213149142U (en) | Multifunctional sensor for routing inspection of distribution network equipment | |
| CN217820675U (en) | Switch cabinet partial discharge monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |