CN210777283U - Distribution network cable true line simulation partial discharge defect rapid setting device - Google Patents
Distribution network cable true line simulation partial discharge defect rapid setting device Download PDFInfo
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- CN210777283U CN210777283U CN201920707061.XU CN201920707061U CN210777283U CN 210777283 U CN210777283 U CN 210777283U CN 201920707061 U CN201920707061 U CN 201920707061U CN 210777283 U CN210777283 U CN 210777283U
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- distribution network
- partial discharge
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Abstract
The utility model discloses a distribution network cable true line simulation partial discharge defect rapid setting device, which is characterized by comprising a simulation defect setting cabinet, a defect short sample, a rapid connecting device and a pressure equalizing device; the simulation defect setting cabinet is used for installing the defect short sample and a distribution network cable true line defect connecting end connected with the defect short sample; the defect short sample is a cable sample with corresponding defects according to defect requirements; the quick connecting device is used for correspondingly connecting the defect short sample with the core and the ground wire of the cable at the connection end of the defect of the true circuit of the distribution cable one by one; the pressure equalizing device is arranged on the defect short sample quick connecting device. By adopting the device, the defect short sample can be prepared professionally according to the defect setting requirement, the quality of the defect short sample is ensured, and the defect short sample can be installed and replaced quickly on site.
Description
Technical Field
The utility model relates to a defect quick setting device is put in distribution cable true line simulation office belongs to the office and puts defect simulation technical field.
Background
The partial discharge can effectively indicate the health condition of a cable system as an important evaluation index of cables and accessories, and the detection work of the field state of the distribution cable based on the partial discharge detection is widely carried out in recent years along with the development of a power system and the improvement of the requirement of users on the power supply reliability. At present, the partial discharge detection training of the distribution cable is still in a starting stage, the training mostly adopts a distribution cable true line which is actually laid, and various partial discharge defects are simulated in an actual middle joint or terminal of the true cable line.
Although the existing method for setting the simulated partial discharge defect applied to the partial discharge test training in the true line of the distribution network cable can effectively simulate various partial discharge defects, the simulated partial discharge defect is arranged in a cable accessory, so that the problems of difficulty in replacement, low manufacturing power, difficulty in replacement after breakdown of the defect and the like exist.
Disclosure of Invention
The utility model aims to solve the technical problem that a can set up the partial fast and put defect setting device is provided.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a distribution network cable true line simulation partial discharge defect rapid setting device comprises a simulation defect setting cabinet, a defect short sample, a rapid connecting device and a voltage-sharing device;
the simulation defect setting cabinet is used for installing the defect short sample and a distribution network cable true line defect connecting end connected with the defect short sample;
the defect short sample is a cable sample with corresponding defects according to defect requirements;
the quick connecting device is used for correspondingly connecting the defect short sample with the core and the ground wire of the cable at the connection end of the defect of the true circuit of the distribution cable one by one;
the pressure equalizing device is arranged on the defect short sample quick connecting device.
Further, the defect short sample adopts a cable with the same parameters as the cable used for the distribution network cable true line, and cable terminals are installed at two ends of the defect short sample.
Furthermore, an intermediate joint is arranged in the middle of the defect short sample cable.
Furthermore, the quick connecting device comprises two quick-inserting end heads and a connecting rod for connecting the two quick-inserting end heads in an inserting manner, and each quick-inserting end head comprises a compressible limiting rod and a spring chuck for clamping the limiting rod.
Furthermore, the quick insertion end head and the pressure equalizing device are integrally arranged.
Furthermore, the simulation defect setting cabinet adopts rain-proof water setting.
The utility model discloses the beneficial effect who reaches: compared with the traditional field cable defect manufacturing, the required defect short sample can be manufactured and tested in batches in a factory environment in advance, the success rate of the cable defect manufacturing can be greatly improved, the curing defect manufacturing process flow is more facilitated, the batch manufacturing is realized, and the quick installation and replacement of the defect short sample can be realized by adopting the quick connecting device.
Drawings
FIG. 1 is a schematic diagram of a device for rapidly setting a simulated partial discharge defect in an embodiment;
FIG. 2 is a schematic diagram of a defect short pattern structure in the example;
FIG. 3 is a schematic structural diagram of a core quick-connect apparatus according to an embodiment;
FIG. 4 is a schematic view showing the connection state of the core quick-connect apparatus in the embodiment;
FIG. 5 is a schematic diagram of an operating connection of the device for rapidly setting the simulated partial discharge defect in the embodiment.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, the device for rapidly setting the simulated partial discharge defect of the invention is characterized in that wire cores and ground wires at two ends of a defect short sample 3 are respectively connected with wire cores and ground wires of a cable with the defect connection end of a distribution network cable true type circuit 7 through corresponding rapid connectors 1 and 2 in a one-to-one correspondence manner, a simulated defect setting cabinet 4 is used for installing the devices, the defect connection ends of the distribution network cable true type circuit 7 at two ends are fixed through a cable fixing device 5, wherein the cable fixing device 5 can be fixed through an existing cable fixing clamp, the defect short sample is orderly placed through an installation support 6, and the shell of the simulated defect setting cabinet 4 is set by rainwater, such as waterproof sealing, waterproof top covers and the like, so that the device can be conveniently used outdoors.
As shown in fig. 2, which is a schematic structural diagram of a defect short sample used in the present invention, parameters of a cable used by the defect short sample are consistent with those of a cable used by a true line of a distribution network cable, cable terminals 31 are installed at two ends of the cable, and an intermediate connector 32 is optionally installed in the middle of the cable, and according to a defect setting requirement, corresponding defects can be set on a cable body of the defect short sample, the cable terminals 31 or the intermediate connector 32 to prepare a defect sample meeting the requirement.
The two ends of the defect short sample are correspondingly connected with the defect connecting end cable of the distribution network cable true line circuit 7 through the wire core quick connector 1 and the ground wire quick connector 2, the structure of the wire core quick connector 1 is shown in figure 3, and the schematic diagram of the connecting state is shown in figure 4. The structure of the ground wire quick connector 2 is the same as that of the ground wire quick connector, the connection mode is the same, and only the structure of the wire core quick connector 1 is used for explanation.
As shown in fig. 3, the structure of the core quick connector 1 used in the present invention comprises quick ends at two ends and a connecting rod 14 for connecting the two quick ends, the quick ends are integrally arranged with a high voltage equalizing ring 13, after connection, the pressure is equalized, the quick ends are provided with a depressible limiting rod 11, the connecting end is provided with a spring chuck 12 for automatically clamping the limiting rod 11 after being pressed in place, two ends of the connecting rod 14 are provided with slots corresponding to the two limiting rods 11, when in use, two ends of the quick connector 1 are respectively connected with the connecting terminals of the defective short sample 3 and the terminal cable of the distribution network cable true type line 7, as shown in fig. 4, the connecting terminal of the defective connecting end of the defective short sample 3/true type cable line 7 is inserted on the limiting rod 11, aligned with a connecting point 15 and inserted into the connecting rod 14 to press the limiting rod 11, and after being in place, the connecting, a reliable connection can be achieved.
As shown in fig. 5, which is a schematic view illustrating a connection of working states of a simulated partial discharge defect quick setting device used in the present invention, a terminal of a distribution cable true line 7 is disposed in an indoor test cabinet 8, and a defect in the distribution cable true line is disposed in a simulated defect quick setting device 9, so that in practical applications, a defect short sample required for quick replacement can be realized according to a test requirement, and a specific use method is as follows: firstly, confirming that the line has power failure, opening a cabinet door 4 of a simulation defect setting cabinet after both ends of the true line of the distribution network cable are reliably grounded, using the defect short sample wire core quick connector 1 to align with the wire core quick connecting point 15 to press downwards, automatically locking after the defect short sample wire core quick connector is in place, sequentially connecting wire cores at both ends of the defect short sample, and using the same method to connect the defect short sample ground wire.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (6)
1. A distribution network cable true line simulation partial discharge defect rapid setting device is characterized by comprising a simulation defect setting cabinet, a defect short sample, a rapid connecting device and a voltage equalizing device;
the simulation defect setting cabinet is used for installing the defect short sample and a distribution network cable true line defect connecting end connected with the defect short sample;
the defect short sample is a cable sample with corresponding defects according to defect requirements;
the quick connecting device is used for correspondingly connecting the defect short sample with the core and the ground wire of the cable at the connection end of the defect of the true circuit of the distribution cable one by one;
the pressure equalizing device is arranged on the defect short sample quick connecting device.
2. The device for rapidly setting the defect of the simulated partial discharge of the distribution network cable according to claim 1, wherein the defect short sample adopts a cable with the same parameters as the cable used in the distribution network cable true line, and cable terminals are installed at two ends of the defect short sample.
3. The device for rapidly setting the defect of the distribution network cable real line simulation partial discharge according to claim 2, wherein an intermediate joint is arranged in the middle of the defect short sample cable.
4. The device for rapidly setting the defect of the simulated partial discharge of the distribution network cable according to claim 1, wherein the rapid connection device comprises two rapid-insertion end heads and a connecting rod for connecting the two rapid-insertion end heads in an inserting manner, and each rapid-insertion end head comprises a compressible limiting rod and a spring chuck for clamping the limiting rod.
5. The device for rapidly setting the defect of the simulated partial discharge of the true line of the distribution network cable according to claim 4, wherein the fast-plugging end head and the voltage-sharing device are integrally arranged.
6. The device for rapidly setting the defect of the distribution network cable true line simulation partial discharge according to claim 1, wherein the simulation defect setting cabinet is set by rain prevention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920707061.XU CN210777283U (en) | 2019-05-17 | 2019-05-17 | Distribution network cable true line simulation partial discharge defect rapid setting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920707061.XU CN210777283U (en) | 2019-05-17 | 2019-05-17 | Distribution network cable true line simulation partial discharge defect rapid setting device |
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| CN210777283U true CN210777283U (en) | 2020-06-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924825A (en) * | 2020-12-30 | 2021-06-08 | 广东电网有限责任公司电力科学研究院 | Medium-voltage cable partial discharge test defect simulation detection method and system |
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2019
- 2019-05-17 CN CN201920707061.XU patent/CN210777283U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924825A (en) * | 2020-12-30 | 2021-06-08 | 广东电网有限责任公司电力科学研究院 | Medium-voltage cable partial discharge test defect simulation detection method and system |
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