CN214674065U - On-line monitoring device for insulation level of power transformation equipment - Google Patents
On-line monitoring device for insulation level of power transformation equipment Download PDFInfo
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- CN214674065U CN214674065U CN202120561551.0U CN202120561551U CN214674065U CN 214674065 U CN214674065 U CN 214674065U CN 202120561551 U CN202120561551 U CN 202120561551U CN 214674065 U CN214674065 U CN 214674065U
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Abstract
The utility model discloses a substation equipment insulation level on-line monitoring device, which relates to the field of power system equipment insulation detection, and comprises a fixed pipe, a clamping pipe sleeved on the fixed pipe and an insulation detection assembly, wherein the side wall of the fixed pipe is provided with a fixed pipe slot, the fixed pipe slot is arranged along the length direction of the fixed pipe and runs through the two ends of the fixed pipe, the inner wall of the fixed pipe is provided with the clamping assembly, and the far end of the outer side wall, which is far away from the fixed pipe slot, is provided with a fastening mechanism assembly; the side wall of the clamping pipe is provided with a clamping pipe slot; the clamping pipe open groove is arranged along the length direction of the clamping pipe and penetrates through the two ends of the clamping pipe; the device of the utility model is simple in structure, convenient operation through the design of fixed pipe and centre gripping pipe, increases the cable installation firmness, can monitor the insulation level of cable at the line simultaneously, avoids appearing the incident.
Description
Technical Field
The utility model relates to an insulating detection area of power system equipment especially relates to an insulating level on-line monitoring device of substation equipment.
Background
Failures of electrical systems and electrical equipment are mostly caused by damage to the insulation. The working voltage of the cable in the power transformation equipment is over several tens of kV, even up to 1000kV, and the insulation condition is an important index related to the safe operation of the power grid. However, due to the high operating voltage, the insulation of the device cannot be detected directly during operation of the device.
At present, the existing method is to stop the cable every year and detect the insulation level of the cable. Usually, whether insulation is safe or not is determined by inspection of maintainers and observation and experience, and major safety accidents are caused when the insulation level is lowered.
Disclosure of Invention
The utility model relates to an overcome above-mentioned problem, provided an insulation level on-line monitoring device of substation equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an insulation level online monitoring device of a power transformation device comprises a fixed pipe, a clamping pipe and an insulation detection assembly, wherein the clamping pipe and the insulation detection assembly are sleeved on the fixed pipe; the side wall of the clamping pipe is provided with a clamping pipe slot; the clamping pipe slots are arranged along the length direction of the clamping pipe and penetrate through two ends of the clamping pipe.
When the utility model is used for monitoring the cable insulation level, because the fixed tube clamping tube is of a structure with two open ends, the cable can be firstly placed in the fixed tube and fixed by the clamping component arranged on the inner wall, because the fixed tube slotting and the clamping tube slotting are arranged on the side walls of the fixed tube and the clamping tube, before the cable is installed, the clamping tube is firstly rotated to lead the fixed tube slotting and the clamping tube slotting to be in the same side, at the moment, when the cable is installed, the fixed tube and the clamping tube are slightly opened according to the self elasticity, thereby being convenient for installing the cable, after the cable is installed, the fixed tube and the clamping tube retract to clamp the cable, then in order to prevent the cable from loosening, the clamping tube can be rotated to lead the clamping tube slotting to be rotatably arranged at the far end of the fixed tube slotting, thereby preventing the fixed tube from loosening, leading the cable to be firmly clamped, and when the clamping tube slotting is rotated to the far end of the fixed tube, the fastening mechanism assembly on the outer side wall of the fixed pipe can fasten the clamping pipe through the clamping pipe slotting, so that the clamping pipe is fixed. After the cable is fixed, the insulation level of the cable can be monitored on line through the insulation detection assembly, and safety accidents are avoided.
Preferably, both ends of the fixing tube in the length direction are provided with openings.
So that the fixing tube can be opened and closed according to its own elasticity when the cable is installed.
Preferably, the clamping assembly comprises a connecting column which is connected with the inner wall of the fixed pipe and arranged along the radial direction of the fixed pipe, and clamping pieces are arranged at the end part of the connecting column.
Preferably, the clamping assemblies are arranged in a plurality of modes, the clamping assemblies are arranged on the fixed pipe in the circumferential direction at equal intervals, and a plurality of clamping pieces on the clamping assemblies surround a clamping space.
The cable can be clamped more firmly in the clamping space formed by the connecting column and the clamping sheet.
Preferably, the fastening mechanism assembly comprises a fastening groove, a spring and a fastening block, and the fastening block is elastically connected in the fastening groove through the spring.
After the cable is installed, the clamping pipe is arranged at the far end of the fixed pipe groove in a rotating mode, the spring in a compression state in the fastening mechanism assembly can pop out the fastening block, and the clamping pipe is arranged in a groove in a matched mode to realize fixing of the clamping pipe.
Preferably, both ends of the holding tube in the longitudinal direction are provided with openings.
Preferably, the insulation detection assembly comprises an induction wire wound on the outer wall of the fixed pipe, two ends of the induction wire respectively extend to the outer side of the fixed pipe to form a closed loop, a current detection device is connected to the closed loop, and a central processing module is connected to the current detection device.
Preferably, the insulation detection assembly further comprises a communication module, and the communication module is connected with the central processing module.
The utility model discloses an insulation level of insulation detection subassembly test cable, wherein, the storage has the rated insulation level who is detected the cable in the central processing module, rated insulation level is the rated current value that the cable current detection device detected under normal operating condition, current detection device sends the induced-current that detects for central processing module and contrasts with the rated current value of storage in the central processing module, in order to judge the insulation level who is detected the cable, and finally, central processing module sends the insulation level condition that is detected the cable of judgement through communication module to the external world.
Preferably, the outer wall of the fixed pipe is provided with a placement groove, and the induction line is arranged in the placement groove.
Preferably, the two ends of the clamping pipe are provided with limit rings, and the limit rings are abutted to the end part of the fixed pipe.
Therefore, the utility model discloses following beneficial effect has: the device of the utility model is simple in structure, convenient operation through the design of fixed pipe and centre gripping pipe, increases the cable installation firmness, can monitor the insulation level of cable at the line simultaneously, avoids appearing the incident.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
Fig. 2 is another schematic cross-sectional structure of the present invention.
Fig. 3 is an enlarged schematic view of the utility model at a.
Fig. 4 is a schematic structural diagram of the present invention.
Fig. 5 is a schematic view of the structure of the fixing tube and the holding tube according to the present invention.
In the figure: fixed pipe 1, fixed pipe fluting 11, centre gripping subassembly 12, spliced pole 121, centre gripping piece 122, centre gripping space 123, fastening mechanism subassembly 13, fastening groove 131, spring 132, fastening piece 133, settling groove 14, centre gripping pipe 2, centre gripping pipe fluting 21, spacing ring 22, insulating determine module 3, induction line 31, current detection device 32, central processing module 33, communication module 34.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Example 1: as shown in fig. 1-2, an online insulation level monitoring device for a power transformation device includes a fixed pipe 1, a clamping pipe 2 sleeved on the fixed pipe 1, and an insulation detection assembly 3, wherein two ends of the fixed pipe 1 in the length direction are provided with openings, a fixed pipe slot 11 is formed in a side wall of the fixed pipe, the fixed pipe slot 11 is formed along the length direction of the fixed pipe and penetrates through two ends of the fixed pipe, a clamping assembly 12 is arranged on an inner wall of the fixed pipe, the clamping assembly 12 includes a connecting column 121 connected with the inner wall of the fixed pipe 1 and arranged along the radial direction of the fixed pipe, a plurality of clamping pieces 122 are arranged at an end of the connecting column 121, and the clamping assemblies 12 are arranged in a plurality, the plurality of clamping assemblies 12 are arranged in the circumferential direction of the fixed pipe 1 at equal intervals, and the plurality of clamping pieces on the clamping assemblies 12 form a clamping space 123; the far end of the outer side wall of the fixing tube 1 from the fixing tube slot 11 is provided with a fastening mechanism assembly 13, as shown in fig. 3, the fastening mechanism assembly 13 comprises a fastening slot 131, a spring 132 and a fastening block 133, and the fastening block 133 is elastically connected in the fastening slot 131 through the spring 132.
As shown in fig. 1-2, two ends of the clamping tube 2 in the length direction are provided with openings, and the side wall of the clamping tube is provided with a clamping tube slot 21; the centre gripping pipe fluting 21 sets up along centre gripping pipe length direction to run through the both ends of centre gripping pipe 2, as shown in fig. 5, centre gripping pipe 2 both ends are equipped with spacing ring 22, spacing ring 22 and fixed 1 tip butt of pipe.
As shown in fig. 4, the insulation detecting assembly 3 includes an induction wire 31 wound around the outer wall of the fixed pipe, the outer wall of the fixed pipe 1 is provided with a placement groove 14, and the induction wire 31 is disposed in the placement groove 14; the both ends of induction line 31 extend to the outside of fixed pipe 1 respectively to form closed circuit, be connected with current detection device 32 on the closed circuit, the last connection of current detection device 32 is equipped with central processing module 33, insulating detection subassembly 3 still includes communication module 34, communication module 34 is connected with central processing module 33.
When the utility model is used for monitoring the cable insulation level, because the clamping tube of the fixed tube 1 is of a structure with two open ends, the cable can be firstly placed in the fixed tube and fixed by the clamping component arranged on the inner wall, because the utility model is provided with the fixed tube slot 11 and the clamping tube slot 21 on the side walls of the fixed tube 1 and the clamping tube 2, before the cable is installed, the clamping tube is firstly rotated, the fixed tube slot 11 and the clamping tube slot 21 are positioned at the same side, as shown in figure 1, at the moment, when the cable is installed, the fixed tube 1 and the clamping tube 2 are slightly opened according to the self elasticity, thereby facilitating the installation of the cable, after the cable is installed, the fixed tube 1 and the clamping tube 2 are retracted to clamp the cable, then, in order to prevent the cable from loosening, the clamping tube 2 can be rotated at the moment, the clamping tube slot 21 is rotatably arranged at the far end of the fixed tube slot 11, thereby preventing the fixed tube 1 from loosening, so that it holds the cable firmly and when the clamping tube slot 21 is rotated to the distal end of the fixed tube slot 11, as shown in fig. 2, the spring 132 in the clamping mechanism assembly 13, which is in a compressed state, ejects the clamping block 133 to cooperate with the clamping tube slot 21 to secure the clamping tube. After the cable is fixed, the insulation level of the cable can be monitored on line through the insulation detection assembly 3, wherein the rated insulation level of the detected cable is stored in the central processing module, the rated insulation level is a rated current value detected by the current detection device under a normal working state of the cable, the current detection device sends detected induced current to the central processing module and compares the induced current with the rated current value stored in the central processing module to judge the insulation level of the detected cable, and finally, the central processing module sends the judged insulation level condition of the detected cable to the outside through the communication module.
The raw materials and the equipment used in the utility model are common raw materials and equipment in the field if no special description is provided; the methods used in the present invention are conventional methods in the art unless otherwise specified.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent transformation of doing above embodiment the utility model discloses technical scheme's protection scope.
Claims (10)
1. The on-line monitoring device for the insulation level of the power transformation equipment is characterized by comprising a fixed pipe (1), a clamping pipe (2) and an insulation detection assembly (3), wherein the clamping pipe (2) and the insulation detection assembly (3) are sleeved on the fixed pipe (1), a fixed pipe notch (11) is formed in the side wall of the fixed pipe (1), the fixed pipe notch (11) is formed in the length direction of the fixed pipe and penetrates through the two ends of the fixed pipe, a clamping assembly (12) is arranged on the inner wall of the fixed pipe (1), and a fastening mechanism assembly (13) is arranged at the far end, away from the fixed pipe notch (11), of the outer side wall; a clamping pipe slot (21) is arranged on the side wall of the clamping pipe (2); the clamping pipe slot (21) is arranged along the length direction of the clamping pipe and penetrates through the two ends of the clamping pipe (2).
2. A power transformation equipment insulation level on-line monitoring device as claimed in claim 1, characterized in that both ends of the fixed pipe (1) in the length direction are open.
3. A power transformation equipment insulation level online monitoring device as claimed in claim 1, characterized in that the clamping assembly (12) comprises a connecting column (121) connected with the inner wall of the fixed pipe (1) and arranged along the radial direction of the fixed pipe, and the end of the connecting column (121) is provided with a clamping sheet (122).
4. A power transformation equipment insulation level on-line monitoring device as claimed in claim 3, characterized in that said clamping assembly (12) is provided in plurality, a plurality of clamping assemblies (12) are arranged at equal intervals in the circumferential direction of said fixed pipe (1), and a clamping space (123) is defined by the clamping sheets on a plurality of said clamping assemblies (12).
5. A substation equipment insulation level on-line monitoring device according to claim 1, characterized in that the fastening mechanism assembly (13) comprises a fastening slot (131), a spring (132) and a fastening block (133), and the fastening block (133) is elastically connected in the fastening slot (131) through the spring (132).
6. A power transformation equipment insulation level on-line monitoring device as claimed in claim 1, characterized in that both ends of the clamping tube (2) in the length direction are open.
7. A transformer equipment insulation level on-line monitoring device according to any one of claims 1-6, characterized in that the insulation detection assembly (3) comprises an induction wire (31) wound on the outer wall of the fixed pipe, two ends of the induction wire (31) respectively extend to the outer side of the fixed pipe (1) and form a closed loop, a current detection device (32) is connected to the closed loop, and a central processing module (33) is connected to the current detection device (32).
8. A substation equipment insulation level on-line monitoring device according to claim 7, characterized in that the insulation detection assembly (3) further comprises a communication module (34), the communication module (34) is connected with a central processing module (33).
9. The on-line insulation level monitoring device for the power transformation equipment as recited in claim 7, wherein a mounting groove (14) is formed in an outer wall of the fixed pipe (1), and the induction wire (31) is arranged in the mounting groove (14).
10. A power transformation equipment insulation level on-line monitoring device as claimed in any of claims 1-6, characterized in that limiting rings (22) are arranged at two ends of the clamping tube (2), and the limiting rings (22) are abutted against the end of the fixed tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120561551.0U CN214674065U (en) | 2021-03-18 | 2021-03-18 | On-line monitoring device for insulation level of power transformation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120561551.0U CN214674065U (en) | 2021-03-18 | 2021-03-18 | On-line monitoring device for insulation level of power transformation equipment |
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| CN214674065U true CN214674065U (en) | 2021-11-09 |
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| CN202120561551.0U Active CN214674065U (en) | 2021-03-18 | 2021-03-18 | On-line monitoring device for insulation level of power transformation equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116279196A (en) * | 2023-05-24 | 2023-06-23 | 合肥有感科技有限责任公司 | New energy automobile high voltage wire harness system |
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2021
- 2021-03-18 CN CN202120561551.0U patent/CN214674065U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116279196A (en) * | 2023-05-24 | 2023-06-23 | 合肥有感科技有限责任公司 | New energy automobile high voltage wire harness system |
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