CN211123119U - Transformer substation 35kV and following cubical switchboard withstand voltage test auxiliary device - Google Patents
Transformer substation 35kV and following cubical switchboard withstand voltage test auxiliary device Download PDFInfo
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- CN211123119U CN211123119U CN201921412714.8U CN201921412714U CN211123119U CN 211123119 U CN211123119 U CN 211123119U CN 201921412714 U CN201921412714 U CN 201921412714U CN 211123119 U CN211123119 U CN 211123119U
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Abstract
The utility model discloses a 35kV and following cubical switchboard withstand voltage test auxiliary device of transformer substation, including video reception display terminal, camera, support piece and the magnetism that locates between camera and the support piece is inhaled the universal stand; the support piece is arranged on the outer side or the inner side of the high-voltage switch cabinet, and the video receiving and displaying terminal receives the video information of the full-shielding camera in real time. The utility model discloses can find out concrete point of discharging fast, can real-time panorama monitoring to the point of discharging, record the video analysis and judgment of being convenient for, improve cubical switchboard troubleshooting efficiency, shorten the troubleshooting time, and avoided artifical check many times, the fatigue of looking for many times has solved the not accurate drawback of sound judgement mode, realizes withstand voltage test process safety, directly perceived visual to possess the video and record the function analysis and judgment of being convenient for test. The device is convenient to carry and install, convenient to use, convenient and simple to place.
Description
Technical Field
The utility model relates to an experimental auxiliary device, especially a cubical switchboard withstand voltage test auxiliary device of 35kV of transformer substation and following.
Background
According to the regulations of electric power equipment overhaul test regulations (Q/CSG 1206007-2017), carrying out vacuum circuit breaker alternating-current withstand voltage tests on a bus tie circuit breaker, a main transformer low-voltage side circuit breaker and a capacitor bank circuit breaker every 3 years, and carrying out the vacuum circuit breaker alternating-current withstand voltage tests on the rest every 6 years; the insulation lifting rod after replacement or drying must be subjected to a voltage withstand test; when necessary, when an abnormal signal is detected by the charged discharge, the AC withstand voltage test of the vacuum circuit breaker is carried out when an insulation defect is suspected.
It can be seen that the withstand voltage test of test equipment in 35kV and following cubical switchboard accounts for than very big in work, and carry out withstand voltage test in-process observation not convenient to carry out when pretesting or defect are seeked, because withstand voltage test used voltage is very high, and cubical switchboard inner space is narrow and small, lead to the inconvenient head that stretches of experimenter to get the condition of seeing cubical switchboard inside partial discharge to take place often, can only tentatively judge whether there is the phenomenon of discharging through the mode of sound judgement, and also have the risk that safe distance is not enough. The high-pressure chamber has noise interference, and the fault part is difficult to accurately judge. The equipment positions such as the bus and the wall bushing in the switch cabinet are higher, and the switch cabinet is of a closed structure and does not have the condition of direct observation.
An auxiliary device which meets the safety distance and is convenient to observe and record and analyze is urgently needed to improve the timeliness of the withstand voltage test in the 35kV and below switch cabinet.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect, the utility model provides a transformer substation 35kV and following cubical switchboard withstand voltage test auxiliary device who conveniently carries, easy operation, can real-time transmission cubical switchboard interior picture.
A withstand voltage test auxiliary device of a switch cabinet of a transformer substation of 35kV or below comprises a video receiving display terminal, a camera, a support piece and a magnetic universal support arranged between the camera and the support piece; the support piece is arranged on the outer side or the inner side of the high-voltage switch cabinet, and the video receiving and displaying terminal receives the video information of the full-shielding camera in real time.
Furthermore, the camera has night vision and shielding functions, can shield high-voltage signals in a switch cabinet with a high voltage level, and transmits a full-shielding camera under the condition of partial discharge in the switch cabinet in real time in a dark environment.
Further, support piece includes the telescopic link, and telescopic link one end swing joint has first movable rod in the outside or the inboard of high tension switchgear, and telescopic link one end articulates there is the second movable rod, and first movable rod one end articulates there is the second movable rod, and second movable rod one end is located to the universal stand is inhaled to magnetism, and the camera is located and is inhaled on the universal stand to magnetism.
Furthermore, the telescopic rod, the first movable rod and the second movable rod can be disassembled, and the magnetic universal support is arranged on the telescopic rod, the first movable rod or the second movable rod.
Further, the video receiving display terminal is 10.8 inches in size.
Further, the fully shielded camera is 2.7 cm long, 1.4 cm wide and 8.6 cm high.
Furthermore, the camera and the video receiving and displaying terminal are in wireless transmission.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses portable installation, convenient to use, simple, remove in a flexible way, carry conveniently. Through the combination of support piece and camera, can realize that the device installs inside the cubical switchboard of transformer substation, but support angle regulation can realize the inside omnidirectional image acquisition of cubical switchboard.
2. The utility model discloses a support piece can not only stretch out and draw back according to concrete demand combination, can also adjust by the multi-angle, can carry out the omnidirectional observation to high tension switchgear, for example: the switch cabinet passes through the way. Make the operation in-process can satisfy sufficient safe distance, carry out withstand voltage and reduced the risk that the staff electrocuted, can stretch out and draw back from top to bottom, move all around.
3. The utility model discloses a video reception display terminal's data storage, can look over repeatedly. The video receiving and displaying terminal collects real-time pictures shot by the camera through a wireless transmission function, and the real-time pictures can be stored in the tablet personal computer, so that the later calling and analysis are facilitated.
4. The utility model discloses can reduce safe risk, improve operating mass with rated load. This experimental auxiliary device's development, it keeps away from withstand voltage test equipment to have ensured testing personnel, mode through long-range looking over, obtain inside clear picture, the quality of experimental work has been improved, when carrying out withstand voltage test discharge point seek in the cubical switchboard, utilize multidimension degree camera system to carry out panorama monitoring, and then find out concrete discharge point fast, can real-time panorama monitoring to discharge point, record the video and be convenient for the analysis and judgment, cubical switchboard trouble search efficiency has been improved, the trouble search time has been shortened, and avoided artifical check many times, the fatigue of looking for many times, the inaccurate drawback of sound judgement mode has been solved, realize withstand voltage test process safety, directly perceived visual, and possess the video and record the function and be convenient for test analysis and judgment.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
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 examples of the present invention, not all examples. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
Example 1
This example was used for a high-voltage test, and was used for a withstand voltage test (35 kV preliminary test voltage 76kV, 35kV handover test 95 kV) performed on test equipment in a switchgear of 35kV or less. As shown in fig. 1, the high-voltage switch cabinet 8 of the present embodiment is connected to a booster device 10, the booster device 10 is connected to an operation box 11 having a power supply 12, and a video monitor terminal 9 is provided on the front side of the high-voltage switch cabinet 8.
The auxiliary device for the withstand voltage test of the switch cabinet of 35kV or below in the transformer substation comprises a video receiving display terminal 9, a camera 7, a support piece and a magnetic universal support 6 arranged between the camera 7 and the support piece; the support piece of this embodiment is located the outside of high tension switchgear, can fix the support piece can. The video receiving and displaying terminal 9 receives the video information of the full-shielding camera 7 in real time.
The camera 7 has night vision and shielding functions, can shield high-voltage signals in a high-voltage switch cabinet, and transmits a full-shielding camera under the condition of partial discharge in the switch cabinet in real time in a dark environment.
Support piece holds set 1 including holding, is equipped with the telescopic link 2 that can dismantle in the cover 1, 2 one end swing joint of telescopic link in the outside of high tension switchgear 8, and 2 one ends of telescopic link are articulated through ball 3 to have first movable rod 4, and 4 one ends of first movable rod are articulated through the ball to have second movable rod 5, and magnet universal support 6 rotates and locates 5 one ends of second movable rod, and camera 7 is located and is inhaled on the universal support 6.
Can dismantle between telescopic link 2, first movable rod 4, the second movable rod 5, inhale universal stand 6 and rotate and locate second movable rod 5 on, can take place 360 rotations each other. The video receiving display terminal 9 is 10.8 inches in size. The full-shielding camera 7 is 2.7 cm long, 1.4 cm wide and 8.6 cm high. The camera 7 and the video receiving display terminal 9 are in wireless transmission.
The camera 7 is powered by a battery in the body, has the function of shielding a high-voltage electric field, and transmits acquired image information to the video receiving and displaying terminal 9 through wireless network transmission. The video receiving and displaying terminal has the advantages of portability and long endurance, can observe the video images of the high-voltage switch cabinet in real time, has a storage function, and can repeatedly watch the video files during the test. The supporting piece is used for controlling different angles such as distance and height of the camera.
Example 2
As shown in fig. 2, 35kV of transformer substation and following cubical switchboard withstand voltage test auxiliary device of this embodiment holds cover 1 and locates the inside wall of high tension switchgear, and telescopic link 2 directly inhales gimbal 6 through ball 3 and rotates with magnetism and be connected, and camera 7 is connected with magnetism and inhales gimbal 6. The viewing angle and distance can be adjusted. When the device can improve the on-site cubical switchboard high-voltage test of transformer substation, electric power staff's work efficiency reduces the safety risk.
The utility model discloses simple structure, convenient to use can effectively improve on-the-spot high-voltage test efficiency, and the proof test effect reduces withstand voltage test's rework rate. The device is small and portable, has remarkable effect and is convenient for wide popularization and application. The above is only the partial embodiments of the present invention, as long as the above structure is used, all fall into the protection scope of the present invention.
Claims (7)
1. The utility model provides a 35kV of transformer substation and following cubical switchboard withstand voltage test auxiliary device which characterized in that: the device comprises a video receiving and displaying terminal, a camera, a supporting piece and a magnetic universal bracket arranged between the camera and the supporting piece; the support piece is arranged on the outer side or the inner side of the high-voltage switch cabinet, and the video receiving and displaying terminal receives the video information of the full-shielding camera in real time.
2. The auxiliary device for withstand voltage test of 35kV transformer substation and the following switch cabinets according to claim 1, characterized in that: the camera is for possessing night vision, shielding function, can shield high-voltage signal in the cubical switchboard of high voltage level, transmits the full shielding camera of the partial discharge condition in the cubical switchboard in real time under dark surrounds.
3. The auxiliary device for withstand voltage test of 35kV transformer substation and the following switch cabinets according to claim 1, characterized in that: support piece includes the telescopic link, and telescopic link one end swing joint has first movable rod in the outside or the inboard of high tension switchgear, and telescopic link one end articulates there is the second movable rod, and second movable rod one end is located to the universal stand is inhaled to magnetism, and the camera is located and is inhaled on the universal stand.
4. The auxiliary device for withstand voltage test of 35kV transformer substations and switch cabinets as follows according to claim 3, wherein: can dismantle between telescopic link, first movable rod, the second movable rod, the universal stand is located on telescopic link, first movable rod or the second movable rod to magnetism.
5. The auxiliary device for withstand voltage test of 35kV transformer substation and the following switch cabinets according to claim 1, characterized in that: the video receiving display terminal is 10.8 inches in size.
6. The auxiliary device for withstand voltage test of 35kV transformer substation and the following switch cabinets according to claim 1, characterized in that: the full-shielding camera is 2.7 cm long, 1.4 cm wide and 8.6 cm high.
7. The auxiliary device for withstand voltage test of 35kV transformer substation and the following switch cabinets according to claim 1, characterized in that: the camera and the video receiving display terminal are in wireless transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921412714.8U CN211123119U (en) | 2019-08-28 | 2019-08-28 | Transformer substation 35kV and following cubical switchboard withstand voltage test auxiliary device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921412714.8U CN211123119U (en) | 2019-08-28 | 2019-08-28 | Transformer substation 35kV and following cubical switchboard withstand voltage test auxiliary device |
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| CN211123119U true CN211123119U (en) | 2020-07-28 |
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| CN201921412714.8U Active CN211123119U (en) | 2019-08-28 | 2019-08-28 | Transformer substation 35kV and following cubical switchboard withstand voltage test auxiliary device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112051470A (en) * | 2020-09-14 | 2020-12-08 | 国网新疆电力有限公司电力科学研究院 | Transformer substation switch cabinet state on-line monitoring system based on big data |
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2019
- 2019-08-28 CN CN201921412714.8U patent/CN211123119U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112051470A (en) * | 2020-09-14 | 2020-12-08 | 国网新疆电力有限公司电力科学研究院 | Transformer substation switch cabinet state on-line monitoring system based on big data |
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