CN212675757U - Live-line detection training device for insulator - Google Patents
Live-line detection training device for insulator Download PDFInfo
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- CN212675757U CN212675757U CN202022125172.5U CN202022125172U CN212675757U CN 212675757 U CN212675757 U CN 212675757U CN 202022125172 U CN202022125172 U CN 202022125172U CN 212675757 U CN212675757 U CN 212675757U
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Abstract
The utility model relates to the technical field of electrical detection simulation devices, in particular to an insulator live-line detection practical training device, wherein a first post insulator, a second post insulator and a third post insulator which are mutually independent are arranged on a bracket, and a simulation heat source and an adjustable discharge source are preassembled by arranging cracks on the post insulators; frequent operation is allowed, the device is suitable for students or employees with low working experience in the live insulator detection field, experience accumulation is facilitated, and detection skills are improved; insulator ultrasonic inspection, infrared thermal image detection and ultraviolet detection technologies can be utilized to develop insulator live-line detection practical training, practical training content is rich, and the practical training technology diversity is favorably improved.
Description
Technical Field
The utility model relates to an electrical detection analogue means technical field especially relates to an insulator live line detection instructs device in fact.
Background
The high-voltage line porcelain post insulator and the porcelain bushing are easy to crack in seasons with rapid temperature changes, and a defect area with cracks generated along with the time is easy to age and break, so that a power grid safety accident is easy to cause. Since insulator fault detection requires instrumentation and skill, improvement in detection skill requires accumulation of actual operation and experience.
The inventors have found that fault detection of an insulator is often performed without power interruption, and therefore, there is a certain risk to trainees and new employees. And for the detection of actual faults, the fault type is determined objectively and uncontrollably, and the faults need to be maintained after being detected, so that the faults cannot be detected for many times, the times of actual operation are limited, the experience of students is not increased, and the skill is improved.
SUMMERY OF THE UTILITY MODEL
For solving the fault detection of current insulator to student or new staff, have certain danger to can not detect many times, restricted actual operation's number of times, be unfavorable for increasing student's experience, the problem of improvement skill, the utility model provides a real device of instructing of insulator live line detection, through set up the crackle on post insulator, pre-installation simulation heat source and adjustable discharge source compare with totally normal insulator, for insulator live line detection actual equipment, have reduced danger coefficient, and allow frequent operation, be applicable to the not abundant student of insulator live line detection field work experience or staff.
In order to achieve the above object, one or more embodiments of the present invention provide the following technical solutions:
an insulator live-line detection practical training device comprises a bracket, wherein the bracket is provided with a first post insulator, a second post insulator and a third post insulator which are mutually independent;
the first post insulator is normal;
the end of the second post insulator is provided with a crack;
and cracks are formed at the bottom of the third post insulator.
In a further improvement, the bracket comprises a base and at least two vertical rods arranged side by side,
the vertical rods are fixedly arranged on the base, the top ends of the vertical rods are provided with cross rods, and the cross rods are connected with the top ends of the vertical rods;
the cross rod is fixedly provided with the first post insulator, the second post insulator and the third post insulator.
In a further improvement, the second post insulator and/or the third post insulator are provided with simulated heat sources.
In a further improvement, the second post insulator is a 110kV voltage class insulator, and two simulated heat sources are arranged, one simulated heat source is arranged inside the second post insulator, and the other simulated heat source is arranged at the top of the second post insulator.
In a further improvement, the third post insulator is provided with a simulation heat source, one simulation heat source is arranged on one side of the second post insulator, and the other simulation heat source is arranged at the joint of the high-voltage lead end of the second post insulator.
In a further improvement, a spiral resistance wire is adopted as a simulation heat source in the third post insulator and is wound and fixed on the third post insulator.
In a further improvement, the simulated heat source at the top of the third post insulator adopts an annular resistance wire which is fixed at the joint of the high-voltage lead end of the third post insulator in a surrounding manner.
In a further improvement, an adjustable discharge source is preset at the top end of the third post insulator.
In a further improvement, the third post insulator is a 220kV voltage level insulator, and the adjustable discharge source is connected with a 220kV power supply.
In a further improvement, the adjustable discharge source distance is adjustable. Intermittent discharge arc is generated by adjusting the gap between the high-voltage electrodes at the top end of the 220KV insulator on the insulator framework, and the discharge phenomenon is detected by ultraviolet equipment. And the distance between the tops of the insulators is adjusted by adopting a screwdriver.
Compared with the prior art, the beneficial effect of above one or more technical scheme:
(1) because the high-voltage power grid is not directly detected, compared with an insulator live-line detection actual device, the danger coefficient is greatly reduced.
(2) Compared with a completely normal insulator, the post insulator is provided with the cracks, the simulation heat source and the adjustable discharge source are preassembled, and compared with an insulator which is electrified to detect actual equipment, the post insulator is allowed to be operated frequently, is suitable for students or staff with low working experience in an insulator electrified detection field, is favorable for accumulating experience, and improves detection skill.
(3) Due to the fact that insulator ultrasonic flaw detection, infrared thermal image detection and ultraviolet detection technologies can be utilized, live insulator detection practical training is carried out, practical training content is rich, and the practical training technology diversity is improved.
Drawings
Fig. 1 is a schematic structural diagram of an insulator live line detection practical training device provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an insulator live-line detection practical training device provided in embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of an insulator live line detection practical training device provided in embodiment 3 of the present invention;
in the figure: the device comprises a first support insulator 1, a second support insulator 2, a spiral resistance wire 21, an annular resistance wire 22, a third support insulator 3, an adjustable discharge source 31, a high-voltage lead 32, a support 4, a base 41, a vertical rod 42 and a cross rod 43.
Detailed Description
Example 1
As shown in fig. 1, a first embodiment of the present invention provides an insulator live-line detection practical training device, which includes a bracket, wherein the bracket is provided with a first post insulator, a second post insulator and a third post insulator which are independent of each other; the first post insulator is normal; the end part of the second post insulator is provided with a crack; the third post insulator has a crack at the bottom.
The support comprises a base and at least two vertical rods arranged side by side, the vertical rods are fixedly arranged on the base, the top ends of the vertical rods are provided with transverse rods, and the transverse rods are connected with the top ends of the vertical rods; the cross rod is fixedly provided with a first post insulator, a second post insulator and a third post insulator.
The utility model discloses a first embodiment can provide the student and carry out the real standard of insulator ultrasonic inspection detection. The student holds the ultrasonic flaw detection device to detect through 3 different insulators, contrasts and detects the ultrasonic signal map, combines the damage degree of actual insulator, strengthens the understanding to theory and actual detection and judgment method.
Compared with the actual insulator live-line detection equipment, the device greatly reduces the danger coefficient, allows frequent operation, and is suitable for students or employees with low working experience in insulator live-line detection sites.
Example 2
The second embodiment of the present invention is an improvement of the first embodiment.
As shown in fig. 2, the second and third post insulators are provided with a simulated heat source, and the second post insulator is taken as an example in the figure. The second post insulator is provided with two simulation heat sources, one simulation heat source is arranged inside the second post insulator, and a spiral resistance wire is wound and fixed inside the third post insulator. And the other simulation heat source is fixed at the joint of the end part of the high-voltage lead of the second post insulator and adopts an annular resistance wire. In the figure, both the spiral resistance wire and the annular resistance wire are shown to be conveniently drawn outside the third post insulator, and the actual arrangement position is the arrangement mode described above. The power supply to which the spiral resistance wire and the annular resistance wire are respectively connected is not shown in the figure.
The utility model discloses the insulator end connection is not hard up to be led to unusual overheated and the local overheat phenomenon of body can simulate. The students hold the infrared thermal image detection device to detect the insulators, compare the detected infrared thermal images, and strengthen the understanding of theoretical and actual detection and judgment methods by combining the connection loosening degree of actual insulators.
Example 3
The third embodiment of the present invention is an improvement of the second embodiment.
As shown in fig. 3, the third post insulator is a 220kV voltage class insulator, and besides the analog heat source, an adjustable discharge source is preset at the top end. Specifically, the two high-voltage leads are wound in different lead slots of the insulator, the winding is less than a half turn, and the two high-voltage leads are not too tight. The adjustable discharge source is connected with a 220kV power supply, and the insulator is adjusted to be transferred in different lead wire grooves through a screwdriver, so that the distance between the high-voltage lead wires is adjusted. Intermittent discharge arc is generated by adjusting the gap between the high-voltage electrodes at the top end of the 220KV insulator on the insulator framework, and the discharge phenomenon is detected by ultraviolet equipment.
The utility model discloses the third embodiment can also adjust the distance and produce different discharge effects, is used for developing the real standard of ultraviolet formation of image detection technique. The students hold the ultraviolet imaging detection device to detect the insulator, compare the detected ultraviolet imaging, and strengthen the understanding of theory and actual detection and judgment methods by combining the actual condition of the actual insulator.
The appearance of the device is consistent with that of field 110kV and 220kV insulators, and a simulation defect generating device is arranged after transformation, so that the purpose of carrying out live-line detection on the insulators is achieved, meanwhile, practical training danger coefficients are reduced, and the problem of frequent practical training operation is solved.
Can see through above embodiment, the utility model discloses a set up the crackle on post insulator, pre-installation simulation heat source and adjustable discharge source compare with complete normal insulator, utilize insulator ultrasonic inspection, infrared thermal imagery to detect and ultraviolet detection technique, develop the real standard of insulator live working detection. Compared with the actual insulator live-line detection equipment, the device greatly reduces the danger coefficient, allows frequent operation, and is suitable for students or employees with low working experience in insulator live-line detection sites.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. An insulator live-line detection practical training device comprises a support, and is characterized in that the support is provided with a first support insulator, a second support insulator and a third support insulator which are independent of each other;
the first post insulator is normal;
the end of the second post insulator is provided with a crack;
and cracks are formed at the bottom of the third post insulator.
2. The practical training device for insulator live-line detection according to claim 1, wherein the bracket comprises a base and at least two vertical rods arranged side by side,
the vertical rods are fixedly arranged on the base, the top ends of the vertical rods are provided with cross rods, and the cross rods are connected with the top ends of the vertical rods;
the cross rod is fixedly provided with the first post insulator, the second post insulator and the third post insulator.
3. The insulator live-line detection practical training device according to claim 1, wherein the second and/or third post insulators are provided with simulated heat sources.
4. The insulator live-line detection practical training device according to claim 3, wherein the second post insulator is a 110kV voltage-class insulator, two simulation heat sources are arranged, one simulation heat source is arranged inside the second post insulator, and the other simulation heat source is arranged at the top of the second post insulator.
5. The insulator live-line detection practical training device according to claim 3, wherein the third post insulator is provided with a simulation heat source, one simulation heat source is arranged on one side of the second post insulator, and the other simulation heat source is arranged at the joint of the high-voltage lead end of the second post insulator.
6. The insulator live-line detection practical training device according to claim 4, wherein a spiral resistance wire is adopted as a simulated heat source inside the third post insulator and is wound and fixed on the third post insulator.
7. The insulator live-line detection practical training device according to claim 6, wherein an annular resistance wire is adopted as a simulated heat source at the top of the third post insulator and is fixed at the joint of the high-voltage lead ends of the third post insulator in a surrounding manner.
8. The live insulator detection practical training device according to claim 7,
and an adjustable discharge source is preset at the top end of the third post insulator.
9. The insulator live-line detection practical training device according to claim 8, wherein the third post insulator is a 220kV voltage-class insulator, and the adjustable discharge source is connected with a 220kV power supply.
10. The insulator live-line detection practical training device according to claim 8, wherein the adjustable discharge source distance is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022125172.5U CN212675757U (en) | 2020-09-24 | 2020-09-24 | Live-line detection training device for insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022125172.5U CN212675757U (en) | 2020-09-24 | 2020-09-24 | Live-line detection training device for insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212675757U true CN212675757U (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022125172.5U Expired - Fee Related CN212675757U (en) | 2020-09-24 | 2020-09-24 | Live-line detection training device for insulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114155756A (en) * | 2021-11-11 | 2022-03-08 | 国网江苏省电力有限公司技能培训中心 | Porcelain insulator crack defect simulation device |
-
2020
- 2020-09-24 CN CN202022125172.5U patent/CN212675757U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114155756A (en) * | 2021-11-11 | 2022-03-08 | 国网江苏省电力有限公司技能培训中心 | Porcelain insulator crack defect simulation device |
| CN114155756B (en) * | 2021-11-11 | 2024-03-26 | 国网江苏省电力有限公司技能培训中心 | Porcelain bottle crack defect simulation device |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210309 Termination date: 20210924 |