CN220419480U - Operation and maintenance fault diagnosis device for power system - Google Patents
Operation and maintenance fault diagnosis device for power system Download PDFInfo
- Publication number
- CN220419480U CN220419480U CN202322034673.6U CN202322034673U CN220419480U CN 220419480 U CN220419480 U CN 220419480U CN 202322034673 U CN202322034673 U CN 202322034673U CN 220419480 U CN220419480 U CN 220419480U
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- power system
- side wall
- diagnosis device
- fault diagnosis
- notch
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 58
- 238000012423 maintenance Methods 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 230000005611 electricity Effects 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 206010014357 Electric shock Diseases 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model discloses an operation and maintenance fault diagnosis device of an electric power system, which relates to the technical field of power equipment fault detection and comprises a diagnosis device used for operation and maintenance fault diagnosis operation of the electric power system, wherein the surface of the diagnosis device is provided with a plug-in port used for being electrically connected with the end head of a test cable, a notch is formed in one side wall of the diagnosis device, an insulating plate is arranged on the inner side wall of the notch, a mounting plate is arranged on one side wall of the insulating plate, an electricity measuring assembly is arranged on the side wall of the mounting plate, and a first conducting sheet and a second conducting sheet which are electrically connected with the electricity measuring assembly are respectively penetrated at one side end of the mounting plate. The utility model is convenient for the staff to intuitively judge whether the metal shell in the diagnostor is electrified by observing whether the bulb is bright or dark, thereby avoiding the occurrence of electric shock danger caused by electric leakage of the metal shell of the diagnostor when the staff operates the diagnostor to carry out the diagnosis operation of the power system, and improving the operation safety of the staff when the staff operates the diagnostor.
Description
Technical Field
The utility model relates to the technical field of power equipment fault detection, in particular to an operation and maintenance fault diagnosis device for a power system.
Background
The operation and maintenance fault diagnosis of the power system is to identify fault elements by measuring and analyzing electrical quantities such as current and voltage in power equipment after faults and switching value change information of protection and breaker actions, and a good diagnosis strategy has important significance for shortening fault time and preventing accidents from expanding.
In the existing maintenance and diagnosis process, a diagnostic device for operation and maintenance fault diagnosis operation of the power system is generally connected into the power system through a cable for diagnosis. However, in the diagnosis operation process, since the diagnosis device is normally connected to the power system to operate in a live state, if an electric leakage phenomenon of insulation breakdown exists in the diagnosis device in the operation process of the diagnosis device, an abnormal live phenomenon exists on a metal shell of the diagnosis device, and when the conventional diagnosis device is operated, a worker cannot intuitively judge whether the metal shell in the diagnosis device is live or not, so that when the worker operates the diagnosis device to perform diagnosis operation of the power system, an electric shock danger occurs due to the electric leakage of the metal shell of the diagnosis device, and the operation safety of the worker is affected.
Disclosure of Invention
Aiming at the technical problems existing in the application of the conventional diagnostic device, the utility model provides an operation and maintenance fault diagnostic device for an electric power system.
The utility model provides an operation and maintenance fault diagnosis device of electric power system, includes the diagnostic device that is used for the operation and maintenance fault diagnosis operation of electric power system, the surface of diagnostic device is provided with the grafting mouth that is used for electric connection test cable end, the notch has been seted up to a side wall department of diagnostic device, the inside wall department of notch is provided with the insulation board, a side wall of insulation board is provided with the mounting panel, the side wall department of mounting panel is provided with the electricity measurement subassembly, and one side end of mounting panel wears to be equipped with respectively with electricity measurement subassembly electric connection's conducting strip one and conducting strip two;
one end of the first conducting strip is provided with a first wire harness, one end of the first wire harness penetrates through the diagnostic device and is electrically connected with the metal shell in the diagnostic device, one end of the second conducting strip is provided with a second wire harness, and one end of the second wire harness is electrically connected with a power zero line of the diagnostic device.
Further, the electricity measuring assembly comprises a lamp holder and a bulb, the lamp holder is arranged at one side wall of the mounting plate, the anode and the cathode of the electricity receiving end of the lamp holder are respectively and electrically connected with the first conducting plate and the second conducting plate, and the bulb is arranged at the mounting end of the lamp holder and is electrically connected with the lamp holder.
Further, a through hole is formed in the side wall of the insulating plate, one end of the through hole penetrates through the inside of the communicating diagnostic device, and one end of the first wire harness penetrates through the through hole.
Further, a wiring groove communicated with the power supply of the diagnostic device is formed in the inner wall of the notch, and the second wiring harness penetrates through the wiring groove.
Further, two supporting rods are symmetrically arranged on the side wall of the insulating plate, the mounting plate is arranged at one end of each supporting rod, resin bolts are respectively connected with the surfaces of two sides of the mounting plate in a threaded mode, and the tail ends of the resin bolts are connected with screw holes which are preset in the end portions of the supporting rods in a threaded mode.
Further, a protective cover is hinged to the edge wall of the notch, and the protective cover movably covers the opening end of the notch.
The utility model has the beneficial effects that:
1. the end of the external test cable is spliced at the splicing opening of the diagnostor, so that the diagnostor is connected into the power system through the test cable to perform operation and maintenance fault diagnosis operation, in the diagnosis operation process, one end of the wire harness I is electrically connected with the metal shell in the diagnostor, when the electric leakage phenomenon exists on the metal shell in the diagnostor, the current on the metal shell of the diagnostor is conducted to the first conducting plate through the wire harness I and is conducted to the positive electrode of the lamp holder, and the wire harness II electrically connected with the power zero line of the diagnostor through the negative electrode of the lamp holder is electrically connected with the power zero line of the conducting plate II, so that the lamp holder forms an electric connection path, and the lamp holder is powered and driven by the lamp holder, at the moment, if the brightness of the lamp holder is obvious, the electric leakage phenomenon of insulation breakdown exists in the diagnostor, and abnormal electrification phenomenon exists on the metal shell of the diagnostor is indicated; when the diagnostic device is used for diagnosing, the bulb is not bright, the fact that the metal shell in the diagnostic device is not electrified is indicated, whether the metal shell in the diagnostic device is electrified or not can be intuitively judged by a worker through observing whether the bulb is bright or dark, the situation that electric shock danger occurs due to electric leakage of the metal shell of the diagnostic device when the worker operates the diagnostic device to perform diagnostic operation of a power system is avoided, and operation safety of the worker during operation of the diagnostic device is improved.
2. Through being equipped with insulation board, branch and resin bolt cooperation, erect through insulation board and branch cooperation and settle the mounting panel, and then through resin bolt threaded connection fixed mounting panel, the installation and tear open in the later stage of the mounting panel of being convenient for maintain, and adopt the resin material of insulation board and resin bolt, the insulating properties of both, be convenient for make mounting panel and lamp stand can not receive the conductive interference of diagnostic device, ensure the stability to the casing electric leakage detection operation of diagnostic device, and then through the articulated visor cooperation of notch department, be convenient for under diagnostic device non-operation state, close the notch through visor lid, so that play certain guard action to bulb and lamp stand.
Drawings
Fig. 1 is a perspective view of a diagnostic device.
Fig. 2 is a cross-sectional view of the diagnostic device.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
Reference numerals
1. A diagnostic device; 2. an interface; 3. a notch; 4. an insulating plate; 5. a mounting plate; 6. a power measurement assembly;
61. a lamp holder; 62. a bulb; 7. a first conductive sheet; 8. a second conductive sheet; 9. a first wire harness; 10. a second wire harness;
11. perforating; 12. wiring grooves; 13. a support rod; 14. a resin bolt; 15. and a protective cover.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and to specific examples. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Examples
The utility model provides an operation and maintenance fault diagnosis device of electric power system, includes the diagnostic equipment 1 that is used for the operation and maintenance fault diagnosis operation of electric power system, and the surface of diagnostic equipment 1 is provided with the interface 2 that is used for electric connection test cable end, through the end grafting of external test cable in the interface 2 department of diagnostic equipment 1, and then makes diagnostic equipment 1 insert electric power system through the test cable and carry out operation and maintenance fault diagnosis operation, and this is prior art, referring to fig. 1, fig. 2.
Rectangular notch 3 has been seted up to a side wall department of diagnostic 1, the inside wall department of notch 3 is provided with insulation board 4, a side wall of insulation board 4 is provided with mounting panel 5, the side wall department of mounting panel 5 is provided with survey electric subassembly 6, and one side end of mounting panel 5 wears to be equipped with respectively with survey electric subassembly 6 electric connection's conducting strip 7 and conducting strip second 8, the material of conducting strip 7 and conducting strip second 8 is copper, and the insulating rubber cover has been wrapped up in on the one end in locating mounting panel 5 to conducting strip 7 and conducting strip second 8. The electricity measuring assembly 6 comprises a lamp holder 61 and a bulb 62, the lamp holder 61 is arranged at one side wall of the mounting plate 5, and the anode and the cathode of the electricity receiving end of the lamp holder 61 are respectively and electrically connected with one end of the first conducting strip 7 and one end of the second conducting strip 8. The bulb 62 is disposed at the mounting end of the lamp socket 61 and electrically connected to the lamp socket 61, so that the first conductive sheet 7 and the second conductive sheet 8 are conveniently used as the electrical connection end of the lamp socket 61, refer to fig. 2 and 3.
One end electric connection of conducting strip one 7 is provided with pencil one 9, and pencil one 9's one end wears to locate in the diagnosis ware 1 to with the metal casing electric connection in the diagnosis ware 1, perforation 11 has been seted up to insulation board 4's lateral wall department, and inside the intercommunication diagnosis ware 1 was worn to establish to perforation 11's one end, in the perforation 11 was worn to locate to pencil one 9's one end, the wiring pencil one 9 of being convenient for. One end of the second conducting strip 8 is electrically connected with a second wire harness 10, and one end of the second wire harness 10 is electrically connected with a power zero line of the diagnostic device 1. The wiring groove 12 communicated with the power supply of the diagnostic device 1 is formed in the inner wall of the notch 3, the second wiring harness 10 is arranged in the wiring groove 12 in a penetrating mode, and the second wiring harness 10 is convenient to wire, and referring to fig. 2 and 3.
In the diagnosis operation process of the diagnosis device 1, one end of the wire harness 9 is electrically connected with the metal shell in the diagnosis device 1, when the electric leakage phenomenon exists on the metal shell in the diagnosis device 1, the current on the metal shell of the diagnosis device 1 is conducted to the first conducting plate 7 through the wire harness 9 and is conducted to the positive electrode of the lamp holder 61, and then the wire harness 10 electrically connected with the power zero line of the diagnosis device 1 through the negative electrode of the lamp holder 61 and the second conducting plate 8 is electrically connected with the power zero line of the diagnosis device 1, so that the lamp holder 61 forms an electric connection path, and then the lamp holder 61 is used for supplying power to drive the lamp bulb 62, and at the moment, if the brightness of the lamp bulb 62 is obvious, the electric leakage phenomenon of insulation breakdown exists in the diagnosis device 1, and the abnormal electric leakage phenomenon exists on the metal shell of the diagnosis device 1 is indicated. When the lamp 62 is not on during the diagnosis operation of the diagnosis device 1, it is indicated that the metal shell in the diagnosis device 1 is not electrified, so that the operator can intuitively judge whether the metal shell in the diagnosis device 1 is electrified by observing whether the lamp 62 is electrified or not, the risk of electric shock caused by electric leakage of the metal shell of the diagnosis device 1 when the operator operates the diagnosis device 1 for the diagnosis operation of the power system is avoided, and the operation safety of the operator when operating the diagnosis device 1 is improved, and the operation is performed with reference to fig. 2 and 3.
Two support rods 13 are symmetrically arranged on the side wall of the insulating plate 4, the mounting plate 5 is arranged at one end of the support rods 13, resin bolts 14 are respectively connected with the two side surfaces of the mounting plate 5 in a threaded mode, the tail ends of the resin bolts 14 are in threaded connection with screw holes which are reserved on the end portions of the support rods 13, and the mounting plate 5, the insulating plate 4 and the resin bolts 14 are made of insulating resin. Through being equipped with insulation board 4, branch 13 and resin bolt 14 cooperation, erect through insulation board 4 and branch 13 cooperation and set up mounting panel 5, and then through resin bolt 14 threaded connection fixed mounting panel 5, the installation and disassembly of the later stage of mounting panel 5 of being convenient for maintain, and adopt the resin material of insulation board 4 and resin bolt 14, the insulating properties of both, be convenient for make mounting panel 5 and lamp stand 61 can not receive the conductive interference of diagnostic device 1, ensure the stability to the casing electric leakage detection operation of diagnostic device 1, refer to fig. 2, 3.
The edge wall of the notch 3 is hinged with a protective cover 15 through a preset hinge, and the protective cover 15 movably covers the opening end of the notch 3. The cooperation of the hinged protective cover 15 at the notch 3 facilitates the covering of the notch 3 by the protective cover 15 in the non-operating state of the diagnostic device 1, so as to protect the bulb 62 and the lamp holder 61 to a certain extent, see fig. 1 and 2.
It will be apparent to those skilled in the art that the described embodiments are merely some, but not all, of the embodiments of the utility model and that various modifications or additions may be made to the specific embodiments described or substituted in a similar way without deviating from the spirit of the utility model or beyond the scope of the utility model as defined in the appended claims. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model.
Claims (6)
1. The utility model provides an operation and maintenance fault diagnosis device of electric power system, includes diagnostic equipment (1) that is used for operation and maintenance fault diagnosis operation of electric power system, the surface of diagnostic equipment (1) is provided with interface (2) that are used for electric connection test cable end, a serial communication port, notch (3) have been seted up to a side wall department of diagnostic equipment (1), the inside wall department of notch (3) is provided with insulation board (4), a side wall of insulation board (4) is provided with mounting panel (5), the side wall department of mounting panel (5) is provided with survey electric component (6), and one side end of mounting panel (5) wear to be equipped with respectively with survey electric component (6) electric connection's conducting strip one (7) and conducting strip two (8);
one end of the first conducting strip (7) is provided with a first wire harness (9), one end of the first wire harness (9) penetrates through the diagnostic device (1) and is electrically connected with a metal shell in the diagnostic device (1), one end of the second conducting strip (8) is provided with a second wire harness (10), and one end of the second wire harness (10) is electrically connected with a power zero line of the diagnostic device (1).
2. The operation and maintenance fault diagnosis device for the electric power system according to claim 1, wherein the electricity measuring assembly (6) comprises a lamp holder (61) and a bulb (62), the lamp holder (61) is arranged at a side wall of the mounting plate (5), the positive electrode and the negative electrode of the electricity receiving end of the lamp holder (61) are respectively electrically connected with the first conductive sheet (7) and the second conductive sheet (8), and the bulb (62) is arranged at the mounting end of the lamp holder (61) and is electrically connected with the lamp holder (61).
3. The operation and maintenance fault diagnosis device for the electric power system according to claim 1, wherein a through hole (11) is formed in the side wall of the insulating plate (4), one end of the through hole (11) is penetrated into the interior of the communication diagnostic device (1), and one end of the first wire harness (9) is penetrated into the through hole (11).
4. The operation and maintenance fault diagnosis device for the electric power system according to claim 1, wherein a wiring groove (12) for communicating the power supply of the diagnostic device (1) is formed in the inner wall of the notch (3), and the second wire harness (10) is arranged in the wiring groove (12) in a penetrating mode.
5. The operation and maintenance fault diagnosis device for the electric power system according to claim 1, wherein two supporting rods (13) are symmetrically arranged at the side wall of the insulating plate (4), the mounting plate (5) is arranged at one end of the supporting rods (13), resin bolts (14) are respectively connected with the two side surfaces of the mounting plate (5) in a threaded mode, and the tail ends of the resin bolts (14) are in threaded connection with screw holes preset at the end portions of the supporting rods (13).
6. An operation and maintenance fault diagnosis device for an electric power system according to claim 1, characterized in that a protective cover (15) is hinged at the edge wall of the notch (3), and the protective cover (15) movably covers the open end of the notch (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322034673.6U CN220419480U (en) | 2023-07-31 | 2023-07-31 | Operation and maintenance fault diagnosis device for power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322034673.6U CN220419480U (en) | 2023-07-31 | 2023-07-31 | Operation and maintenance fault diagnosis device for power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220419480U true CN220419480U (en) | 2024-01-30 |
Family
ID=89659556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322034673.6U Active CN220419480U (en) | 2023-07-31 | 2023-07-31 | Operation and maintenance fault diagnosis device for power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220419480U (en) |
-
2023
- 2023-07-31 CN CN202322034673.6U patent/CN220419480U/en active Active
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