CN216771885U - PDC-C novel cable partial discharge detector - Google Patents
PDC-C novel cable partial discharge detector Download PDFInfo
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- CN216771885U CN216771885U CN202123427460.7U CN202123427460U CN216771885U CN 216771885 U CN216771885 U CN 216771885U CN 202123427460 U CN202123427460 U CN 202123427460U CN 216771885 U CN216771885 U CN 216771885U
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- 238000003466 welding Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 2
- 238000012544 monitoring process Methods 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000513 principal component analysis Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of partial discharge detectors, in particular to a PDC-C novel cable partial discharge detector which comprises a detector body; the rear shell is positioned on the detector body, a fixed block is fixedly welded on one side of the rear shell, a clamping groove is formed in one side face of the detector body, and one end of the fixed block is inserted into the clamping groove and clamped with the clamping groove; the PDC-C novel cable partial discharge detector provided by the utility model has the advantages that the clamping mechanism is arranged, the detector is convenient to maintain and disassemble during use, the working efficiency is improved, the working time is reduced, the practicability of the partial discharge detector is improved, the clamping mechanism is fixed and limited during use through the arrangement of the limiting mechanism, the push rod is prevented from rotating by itself to cause the loosening of the clamping block, and the stability of the detector during use is ensured.
Description
Technical Field
The utility model relates to the technical field of partial discharge detectors, in particular to a PDC-C novel cable partial discharge detector.
Background
When partial discharge occurs in the cable and the electrical equipment, electromagnetic waves are generated, and when the electromagnetic waves propagate outwards, a transient voltage signal to ground is generated. The magnitude of this signal is directly related to the severity of the partial discharge and the proximity of the discharge point. The detection can be performed by using a special detector, and the detector is a partial discharge detector.
The detector is put in office needs to use disassembly body when overhauing, but the detector is put in current office most uses the nut to fix when connecting to lead to inconvenient dismantlement, need use professional instrument just can dismantle, thereby reduced work efficiency, increased operating time, reduced the problem of the practicality of putting the detector in office.
Therefore, there is a need to provide a new PDC-C cable partial discharge detector to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the novel PDC-C cable partial discharge detector which is convenient to maintain and solves the problems that most of the existing partial discharge detectors are fixed by nuts when being connected, so that the partial discharge detectors are inconvenient to disassemble and can be disassembled by using a professional tool, so that the working efficiency is reduced, the working time is increased, and the practicability of the partial discharge detectors is reduced.
The PDC-C novel cable partial discharge detector provided by the utility model comprises:
a detector body;
the rear shell is positioned on the detector body, a fixed block is fixedly welded on one side of the rear shell, a clamping groove is formed in one side face of the detector body, and one end of the fixed block is inserted into the clamping groove and clamped with the clamping groove;
the clamping mechanism is located on the detector body and the rear shell and comprises a push plate, a push rod, a clamping block, a clamping plate, a clamping groove and a groove, the groove is formed in one side face, opposite to the rear shell, of the detector body, the push rod is installed on the inner wall of the groove and is in sliding connection with the inner wall of the groove, the push plate is fixedly welded to one end of the push rod, the clamping plate is fixedly welded to the inner side wall of the detector body, and the other end of the push rod is clamped with the clamping groove formed in the clamping block and the clamping plate.
Preferably, the number of the buckle plates is two, and the two buckle plates are respectively and symmetrically arranged on the inner side walls of the detector body and the rear shell.
Preferably, a side face, opposite to the rear shell, of the detector body is provided with a limiting mechanism, the limiting mechanism comprises a sliding groove, a sliding block, a spring and a limiting block, the sliding groove is formed in one side face of the rear shell, the sliding block is installed in the sliding groove and is connected with the sliding groove in a sliding mode, the sliding block is elastically connected with the inner side wall of the sliding groove through the spring, and the limiting block is fixedly welded to the top of the sliding block.
Preferably, the limiting mechanism further comprises a movable rod and a limiting block, the movable rod is rotatably installed at the top of one side face of the limiting block, and the other end of the movable rod is provided with the limiting block which is fixedly welded.
Preferably, the two clamping mechanisms are arranged in two groups, and the two groups of clamping mechanisms are symmetrically distributed.
Preferably, the two groups of the limiting and fixing mechanisms are symmetrically distributed.
Compared with the related art, the PDC-C novel cable partial discharge detector provided by the utility model has the following beneficial effects:
1. the utility model is convenient for the maintenance and the disassembly of the detector when in use through the arrangement of the clamping mechanism, thereby improving the working efficiency, reducing the working time and improving the practicability of the partial placement detector.
2. The limiting mechanism is arranged, so that the clamping mechanism is fixed and limited when the detector is used, the push rod is prevented from rotating automatically, the clamping block is prevented from loosening, and the stability of the detector during use is ensured.
3、
The method adopts the application of the latest generation of on-line monitoring and communication technology, edge active calculation technology and the like, is very suitable for the continuous monitoring of high (medium) voltage cables, including intensive care of important cables, can discover the major insulation defect of the cable in advance, and sends out alarm information within the time range of several weeks to tens of weeks before the possible major cable accident occurs. Various signals can be quickly and effectively identified through a novel specific MD multi-dimensional kernel principal component analysis algorithm and a Streaming data dimension reduction and grouping technology. The method has the advantages that the PRPD map, various separation classification maps and various signals are automatically identified through phase decomposition analysis, typical map identification completely accords with relevant national standard technical specifications, a multi-dimensional map associated with a pulse shape is established through an optional DC cable partial discharge detection kit to help the separation of PD signals, and the detection of DC cable partial discharge is finally realized. The on-line monitoring has the technical advantages of high reliability, advanced monitoring function, intelligent monitoring and the like, uses the latest Internet of things communication technology, is matched with advanced intelligent monitoring sensors, high-speed acquisition units and partial discharge signal analysis, identification and diagnosis technologies, provides an advanced on-line monitoring scheme for cable management of the intelligent power grid, can effectively prevent equipment faults and reduce operation cost
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of a PDC-C cable partial discharge detector provided by the present invention;
FIG. 2 is a schematic cross-sectional view of the portion of FIG. 1 according to the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 at A according to the present invention;
FIG. 5 is a schematic view of the structure of FIG. 2 at B according to the present invention.
Reference numbers in the figures: 1. a detector body; 2. a rear housing; 3. a fixed block; 4. a card slot; 5. a clamping mechanism; 51. pushing the plate; 52. a push rod; 53. a clamping block; 54. a buckle plate; 55. a fastening groove; 56. a groove; 6. a fixing limiting mechanism; 61. a chute; 62. a slider; 63. a spring; 64. a limiting block; 65. a movable rod; 66. and a limiting block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1 to 5, in the PDC-C cable partial discharge detector according to the embodiment of the present invention, the PDC-C cable partial discharge detector includes a detector body 1, a fastening mechanism 5, and a limiting mechanism 6:
in an embodiment of the present invention, please refer to fig. 2 and fig. 3, the fastening mechanism 5 is located on the detector body 1 and the rear shell 2, the fastening mechanism 5 includes a push plate 51, a push rod 52, a fastening block 53, a fastening plate 54, a fastening groove 55 and a groove 56, a groove 56 is formed on one side surface of the detector body 1 opposite to the rear shell 2, the push rod 52 is installed on an inner wall of the groove 56 in a sliding connection, the push plate 51 is installed on one end of the push rod 52 in a fixed welding manner, the fastening plate 54 is fixedly welded on an inner side wall of the detector body 1, the other end of the push rod 52 is fastened with the fastening groove 55 formed on the fastening plate 54 through the fastening block 53, the number of the fastening plates 54 is two, the two fastening plates 54 are respectively and symmetrically installed on the inner side walls of the detector body 1 and the rear shell 2, the fastening mechanism 5 is provided with two sets, and the two sets of fastening mechanisms 5 are symmetrically distributed;
it should be noted that: when the detector is used, when the detector breaks down, the push plate 51 is rotated, the push plate 51 drives the fixture block 53 to rotate, and then the clamping between the fixture block 53 and the clamping groove 55 is released, so that the detector is convenient to maintain and disassemble during use through the arrangement of the clamping mechanism 5, the working efficiency is improved, the working time is reduced, and the practicability of the detector is improved;
in the embodiment of the present invention, please refer to fig. 3 and 4, a side surface of the detector body 1 opposite to the rear shell 2 is provided with a fixing mechanism 6, the fixing mechanism 6 includes a sliding groove 61, a sliding block 62, a spring 63 and a limiting block 64, one side surface of the rear shell 2 is provided with the sliding groove 61, the sliding block 62 in sliding connection is installed in the sliding groove 61, the sliding block 62 is elastically connected with an inner side wall of the sliding groove 61 through the spring 63, the top of the sliding block 62 is provided with the limiting block 64 fixedly welded, the fixing mechanism 6 is provided with two groups, the two groups of fixing mechanisms 6 are symmetrically distributed, the fixing mechanism 6 further includes a movable rod 65 and a limiting block 66, the movable rod 65 is rotatably installed at a side surface of the limiting block 64, and the other end of the movable rod 65 is provided with the limiting block 66 fixedly welded;
it should be noted that: when the detector is used, when the detector breaks down, the movable rod 65 is rotated to drive the limiting block 66 to rotate, the limiting block 64 is pushed to move, the limiting block 64 drives the movable rod 65 and the limiting block 66 to be separated from the push rod 52, the limiting fixation of the push rod 52 is released, and then the limiting fixation of the clamping mechanism 5 is released, so that the clamping mechanism 5 is fixed and limited during use through the arrangement of the limiting mechanism 6, the push rod 52 is prevented from rotating automatically, the clamping block 53 is prevented from loosening, and the stability of the detector during use is ensured;
in an embodiment of the present invention, please refer to fig. 1 and 5, the rear housing 2 is located on the detector body 1, a fixing block 3 is fixedly welded to one side of the rear housing 2, a slot 4 is formed in one side surface of the detector body 1, and one end of the fixing block 3 is inserted into the slot 4 and is clamped with the slot 4.
It should be noted that: during the use, untie the card of detector body 1 and backshell 2 and fix the back, the staff is manual pulls open detector body 1 and backshell 2 to make the one end of fixed block 3 break away from the ejection of compact in the draw-in groove 4, accomplish the dismantlement to the detector.
The working principle of the PDC-C novel cable partial discharge detector provided by the utility model is as follows: when the detector is used, when the detector fails, the push plate 51 is rotated, the push plate 51 drives the fixture block 53 to rotate, then the clamping between the fixture block 53 and the clamping groove 55 is released, so that the detector is convenient to maintain and disassemble when the detector is used, the working efficiency is improved, the working time is reduced, the movable rod 65 is rotated to drive the limiting block 66 to rotate, the limiting block 64 is pushed to move, the limiting block 64 drives the movable rod 65 and the limiting block 66 to be separated from the push rod 52, the limiting fixation on the push rod 52 is released, then the limiting fixation on the clamping mechanism 5 is released, the clamping mechanism 5 is fixed and limited when the detector is used through the arrangement of the limiting mechanism 6, the push rod 52 is prevented from rotating by itself, the fixture block 53 is prevented from loosening, the stability of the detector when the detector is used is ensured, after the clamping between the detector body 1 and the rear shell 2 is released, a worker manually pulls the detector body 1 and the rear shell 2 open, thereby make the one end of fixed block 3 break away from the ejection of compact from draw-in groove 4, accomplish the dismantlement to the detector.
The PDC-C novel cable partial discharge detector is used for continuous monitoring of high (medium) voltage cables, including intensive care of important cables, further can find out important insulation defects of the cables in advance, alarm information is sent within a time range from a few weeks to tens of weeks before possible serious cable accidents occur, specifically, various signals are quickly and effectively identified through a novel specific MD multi-dimensional nuclear principal component analysis algorithm and a Streaming flow data dimension reduction and grouping technology, a PRPD (pulse-resolved partial discharge) map, various separation and classification maps and various signal automatic identification are analyzed through phase decomposition, a multi-dimensional map associated with a pulse shape is established through an optional DC cable partial discharge detection suite to help separation of PD signals, and finally detection of DC cable partial discharge is realized.
The PDC-C novel cable partial discharge detector has the technical advantages of high reliability, advanced monitoring function, intelligent monitoring and the like in online monitoring, uses the latest Internet of things communication technology, is matched with an advanced intelligent monitoring sensor, a high-speed acquisition unit and a partial discharge signal analysis, identification and diagnosis technology, provides an advanced online monitoring scheme for cable management of a smart power grid, and can effectively prevent equipment faults and reduce the operation cost.
The circuits and controls involved in the present invention are prior art and will not be described in detail herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a novel cable partial discharge detector of PDC-C which characterized in that includes:
a detector body (1);
the rear shell (2) is positioned on the detector body (1), a fixing block (3) is fixedly welded on one side of the rear shell (2), a clamping groove (4) is formed in one side face of the detector body (1), and one end of the fixing block (3) is inserted into the clamping groove (4) and clamped with the clamping groove (4);
card solid mechanism (5), be located on detector body (1) and backshell (2), card solid mechanism (5) is including push pedal (51), push rod (52), fixture block (53), buckle board (54), buckle groove (55) and recess (56), detector body (1) all offers recess (56) with the relative side of backshell (2), just sliding connection's push rod (52) are installed to the inner wall of recess (56), fixed welded push pedal (51) is installed to the one end of push rod (52), buckle board (54) fixed welding is at the inside wall of detector body (1), just the other end of push rod (52) passes through the buckle groove (55) joint of seting up on fixture block (53) and buckle board (54).
2. The PDC-C novel cable partial discharge detector as claimed in claim 1, wherein the number of the buckling plates (54) is two, and the two buckling plates (54) are symmetrically installed on the inner side walls of the detector body (1) and the rear shell (2) respectively.
3. The PDC-C novel cable partial discharge detector as claimed in claim 1, wherein a fixing limiting mechanism (6) is installed on one side face, opposite to the rear shell (2), of the detector body (1), the fixing limiting mechanism (6) comprises a sliding groove (61), a sliding block (62), a spring (63) and a limiting block (64), the sliding groove (61) is formed in one side face of the rear shell (2), the sliding block (62) is installed in the sliding groove (61) and is in sliding connection, the sliding block (62) is elastically connected with the inner side wall of the sliding groove (61) through the spring (63), and the limiting block (64) is fixedly welded to the top of the sliding block (62).
4. The PDC-C novel cable partial discharge detector as claimed in claim 3, wherein the limiting mechanism (6) further comprises a movable rod (65) and a limiting block (66), the movable rod (65) is rotatably mounted at the top of one side face of the limiting block (64), and the other end of the movable rod (65) is provided with the limiting block (66) which is fixedly welded.
5. The PDC-C novel cable partial discharge detector of claim 1, wherein two sets of the clamping mechanisms (5) are arranged, and the two sets of the clamping mechanisms (5) are symmetrically distributed.
6. The PDC-C novel cable partial discharge detector as claimed in claim 3, wherein the two groups of fixing limiting mechanisms (6) are arranged, and the two groups of fixing limiting mechanisms (6) are symmetrically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123427460.7U CN216771885U (en) | 2021-12-31 | 2021-12-31 | PDC-C novel cable partial discharge detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123427460.7U CN216771885U (en) | 2021-12-31 | 2021-12-31 | PDC-C novel cable partial discharge detector |
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| Publication Number | Publication Date |
|---|---|
| CN216771885U true CN216771885U (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123427460.7U Active CN216771885U (en) | 2021-12-31 | 2021-12-31 | PDC-C novel cable partial discharge detector |
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| Country | Link |
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| CN (1) | CN216771885U (en) |
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- 2021-12-31 CN CN202123427460.7U patent/CN216771885U/en active Active
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