CN112162177A - Ground fault detection system for power distribution network - Google Patents
Ground fault detection system for power distribution network Download PDFInfo
- Publication number
- CN112162177A CN112162177A CN202011193925.4A CN202011193925A CN112162177A CN 112162177 A CN112162177 A CN 112162177A CN 202011193925 A CN202011193925 A CN 202011193925A CN 112162177 A CN112162177 A CN 112162177A
- Authority
- CN
- China
- Prior art keywords
- screw
- distribution network
- ground fault
- fault detection
- detection system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 238000004804 winding Methods 0.000 claims abstract description 21
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- POIUWJQBRNEFGX-XAMSXPGMSA-N cathelicidin Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(C)C)C1=CC=CC=C1 POIUWJQBRNEFGX-XAMSXPGMSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention relates to the technical field of power distribution network fault detection, and discloses a ground fault detection system for a power distribution network, which comprises a detection box, wherein the bottom end inside the detection box is connected with a motor, the top end of the motor is connected with a winding post, two ends of the winding post are connected with limiting plates, two ends of one side corresponding to the limiting plates are provided with sliding chutes, two sides of the bottom end inside the detection box are connected with a rotating machine, one end of the rotating machine is connected with a screw rod, the screw rod is connected with a screw cap, one end of the screw cap is connected with a pressing plate, the upper end and the lower end of the pressing plate are provided with convex blocks, the upper end and the lower end of one side of the pressing plate are connected with telescopic pieces, the bottom end of the detection bottom is connected with a buffer spring, the. This a ground fault detecting system for distribution network, the convenience is adjusted the height of detection case, also makes things convenient for the electric wire to pack up simultaneously and fixes.
Description
Technical Field
The invention relates to the technical field of power distribution network fault detection, in particular to a ground fault detection system for a power distribution network.
Background
With the rapid development of scientific technology, people have higher and higher requirements on power supply possibility, and a power distribution network particularly refers to a power network which receives electric energy from a power transmission network or a regional power plant and distributes the electric energy to various users through local distribution of power distribution equipment or step-by-step distribution according to voltage.
Most of the existing ground fault detection devices are placed outdoors, the height of detection equipment cannot be adjusted according to actual needs, the fault detection devices are provided with winding devices conveniently, the winding devices cannot firmly fix wires which are too long in the winding process, and the wound wires can be scattered slightly by vibration, so that the practicability of the device is reduced.
To this end, we have devised an earth fault detection system for an electrical distribution network.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a ground fault detection system for a power distribution network, which solves the problems that most of the existing ground fault detection devices are placed outdoors, the height of detection equipment cannot be adjusted according to actual needs, the fault detection devices are provided with winding devices conveniently, the winding devices cannot firmly wind overlong wires in the winding devices for fixing, the wound wires can be dispersed by slight vibration, and the practicability of the devices is reduced.
In order to achieve the purpose, the invention adopts the technical scheme that:
a ground fault detection system for a power distribution network comprises a detection box, wherein a control panel is installed at the top of the detection box, the bottom inside the detection box is connected with a motor, the top end of the motor is connected with a winding post, two ends of the winding post are connected with limiting plates, two ends of one side corresponding to the limiting plates are provided with sliding grooves, two sides of the bottom inside the detection box are connected with a rotating machine, one end of the rotating machine is connected with a screw rod, the screw rod is connected with a screw cylinder, one end of the screw cylinder is connected with a pressing plate, the upper end and the lower end of the pressing plate are provided with convex blocks, the upper end and the lower end of one side of the pressing plate are connected with telescopic pieces, the bottom of the detection box is connected with a buffer spring, the bottom of the buffer spring is connected with a stud, the top of the telescopic rod penetrates through the top end inside the supporting plate and is movably connected with a limiting cap, and a through hole is formed in the middle of the limiting cap.
Further, the screw rod is arranged in the screw cylinder, and the screw rod rotates in the screw cylinder.
Furthermore, the bump is movably connected with the sliding groove, and the two limiting plates are movably connected through the pressing plate.
Furthermore, the one end of the extensible member is fixedly connected with the side wall of the detection box, and the other end of the extensible member is fixedly connected with one side of the pressing plate.
Furthermore, the supporting plate is arranged at the bottom of the detection box, screw holes through which the studs penetrate are formed in the four ends of the supporting plate, and the buffer spring penetrates through the bottom of the screw holes through the studs and is fixed through nuts.
Furthermore, the telescopic rod moves up and down inside the upright post, and the top of the telescopic rod is fixed on the supporting plate by the limiting cap.
Further, the extension spring is arranged inside the top end of the telescopic rod, and the extension spring penetrates through the top end inside the limiting cap to be fixed through the locking cap.
The invention has the beneficial effects that:
1. according to the invention, the rotating machine is opened to drive the screw rod to rotate, the screw rod is arranged in the screw cylinder, the screw rod rotates in the screw cylinder, the screw cylinder moves leftwards and rightwards on the screw rod, the pressing plate is driven by the screw rod to move, the bump is movably connected with the sliding chute, the two limiting plates are movably connected through the pressing plate, the wound cable is fixed through the pressing plate, and the condition that the cable is scattered under unexpected conditions is avoided.
2. According to the detection box, the telescopic rod moves up and down in the upright post, the top of the telescopic rod is fixed on the supporting plate through the limiting cap, the tension spring is arranged in the top end of the telescopic rod and penetrates through the top end in the limiting cap to be fixed through the locking cap, the upright post is conveniently detached and fixed on the supporting plate through the structure, the telescopic rod moves up and down in the upright post, the height of the detection box can be adjusted, and the practicability of the detection box is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
fig. 4 is a communication flow chart of the present invention.
In the figure: 1. a detection box; 2. a motor; 3. a winding post; 4. a limiting plate; 5. turning the machine; 6. a screw; 7. a screw cylinder; 8. pressing a plate; 9. a bump; 10. a telescoping member; 11. a chute; 12. a buffer spring; 13. a stud; 14. a nut; 15. a column; 16. a telescopic rod; 17. a tension spring; 18. a locking cap; 19. a limiting cap; 20. a through hole; 21. a support plate; 22. a control panel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to FIGS. 1-4: a ground fault detection system for a power distribution network comprises a detection box 1, wherein a control panel 22 is installed at the top of the detection box 1, a motor 2 is connected to the bottom end inside the detection box 1, the top end of the motor 2 is connected with a winding post 3, two ends of the winding post 3 are connected with limiting plates 4, two ends of one side corresponding to the limiting plates 4 are provided with sliding chutes 11, two sides of the bottom end inside the detection box 1 are connected with a rotating machine 5, one end of the rotating machine 5 is connected with a screw 6, the screw 6 is connected with a screw cylinder 7, one end of the screw cylinder 7 is connected with a pressing plate 8, the upper end and the lower end of the pressing plate 8 are provided with convex blocks 9, the upper end and the lower end of one side of the pressing plate 8 are connected with telescopic parts 10, the bottom end of the bottom of the detection box 1 is connected with a buffer spring 12, the bottom of, and the top of the upright post 15 is connected with a telescopic rod 16, the top of the telescopic rod 16 penetrates through the top end of the inside of the support plate 21 and is movably connected with a limiting cap 19, and a through hole 20 is formed in the middle of the limiting cap 19.
Open and change quick-witted 5 and will drive screw rod 6 and rotate, screw rod 6 sets up in spiral shell section of thick bamboo 7, and screw rod 6 rotates in spiral shell section of thick bamboo 7, and spiral shell section of thick bamboo 7 removes about moving on screw rod 6, drives clamp plate 8 through screw rod 6 and removes, carries out swing joint between lug 9 and the spout 11, and carries out swing joint through clamp plate 8 between two limiting plates 4, fixes the cable that twines well through clamp plate 8, avoids appearing the scattered condition of line under the unexpected circumstances.
The one end of extensible member 10 and 1 lateral wall of detection case carry out fixed connection, and the other end of extensible member 10 and clamp plate 8 one side carry out fixed connection, when clamp plate 8 removes, make clamp plate 8 have certain stability at the removal in-process through extensible member 10.
The telescopic link 16 reciprocates in stand 15 inside, and spacing cap 19 is fixed the 16 tops of telescopic link in backup pad 21, and the inside extension spring 17 that is equipped with in 16 tops of telescopic link, and extension spring 17 passes 19 inside tops of spacing cap and fixes through locking cap 18, conveniently dismantles stand 15 through this structure and fixes in backup pad 21, and telescopic link 16 reciprocates in stand 15, can adjust the height of detection case 1, improves the practicality of device.
In summary, in the invention, when the cable winding machine is used, the bottom end of the upright post 15 is fixed underground, the top end of the telescopic rod 16 is fixed on the support plate 21 through the limit cap 19, the tension spring 17 is pulled to penetrate through the top end inside the limit cap 19 and is fixed through the locking cap 18, the stud 13 penetrates through the screw hole on the support plate 21 and is fixed through the nut 14, after the cable winding machine is installed, when the cable winding machine needs to perform a winding operation, the motor 2 is turned on to drive the winding post 3 to perform the winding operation, the rotary machine 5 is turned on to drive the screw rod 6 to rotate, the screw rod 6 is arranged in the screw cylinder 7, the screw rod 6 rotates in the screw cylinder 7, the screw cylinder 7 moves left and right on the screw rod 6, the pressing plate 8 is driven by the screw rod 6 to move.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A ground fault detection system for a power distribution network, comprising a detection box (1), characterized in that: the detection box comprises a detection box body (1), a control panel (22) is installed at the top of the detection box body (1), a motor (2) is connected to the bottom of the interior of the detection box body (1), a winding post (3) is connected to the top of the motor (2), limiting plates (4) are connected to two ends of the winding post (3), sliding chutes (11) are formed in two ends of one side corresponding to the limiting plates (4), rotary machines (5) are connected to two sides of the bottom of the interior of the detection box body (1), a screw rod (6) is connected to one end of each rotary machine (5), a screw cylinder (7) is connected to each screw rod (6), a pressing plate (8) is connected to one end of each screw cylinder (7), convex blocks (9) are arranged at the upper end and the lower end of each pressing plate (8), telescopic pieces (10) are connected to the upper end and the lower end of, and be on double-screw bolt (13) have nut (14), connect through backup pad (21) between buffer spring (12) bottom, four ends in backup pad (21) bottom are connected with stand (15), and stand (15) top is connected with telescopic link (16), telescopic link (16) top is passed backup pad (21) inside top swing joint limit cap (19), and is equipped with through-hole (20) in the middle of limit cap (19).
2. A ground fault detection system for an electrical distribution network according to claim 1, characterized in that: the screw (6) is arranged in the screw cylinder (7), and the screw (6) rotates in the screw cylinder (7).
3. A ground fault detection system for an electrical distribution network according to claim 1, characterized in that: the bump (9) is movably connected with the sliding groove (11), and the two limiting plates (4) are movably connected through the pressing plate (8).
4. A ground fault detection system for an electrical distribution network according to claim 1, characterized in that: one end of the telescopic piece (10) is fixedly connected with the side wall of the detection box (1), and the other end of the telescopic piece (10) is fixedly connected with one side of the pressing plate (8).
5. A ground fault detection system for an electrical distribution network according to claim 1, characterized in that: backup pad (21) set up in detection case (1) bottom, backup pad (21) four ends are equipped with the screw that double-screw bolt (13) passed, and buffer spring (12) pass the screw bottom through double-screw bolt (13) and fix through nut (14).
6. A ground fault detection system for an electrical distribution network according to claim 1, characterized in that: the telescopic rod (16) moves up and down in the upright post (15), and the top of the telescopic rod (16) is fixed on the support plate (21) by the limiting cap (19).
7. A ground fault detection system for an electrical distribution network according to claim 1, characterized in that: extension spring (17) are equipped with in telescopic link (16) top, and extension spring (17) pass the inside top of spacing cap (19) and fix through locking cap (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011193925.4A CN112162177A (en) | 2020-10-30 | 2020-10-30 | Ground fault detection system for power distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011193925.4A CN112162177A (en) | 2020-10-30 | 2020-10-30 | Ground fault detection system for power distribution network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112162177A true CN112162177A (en) | 2021-01-01 |
Family
ID=73866249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011193925.4A Withdrawn CN112162177A (en) | 2020-10-30 | 2020-10-30 | Ground fault detection system for power distribution network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112162177A (en) |
-
2020
- 2020-10-30 CN CN202011193925.4A patent/CN112162177A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108075432A (en) | The Transformer Substation Lightning Protection device that a kind of easy disassembly is safeguarded | |
| CN207801435U (en) | A kind of Transformer Substation Lightning Protection device that easy disassembly is safeguarded | |
| CN109335854A (en) | A kind of rolling-up mechanism and power cable winding device | |
| CN208257359U (en) | A kind of apparatus for fixing cord of power transmission and transformation line | |
| CN211701282U (en) | Novel power cable support | |
| CN108631213B (en) | Overhead line tightening device with vibrating motor | |
| CN115275900A (en) | Electric power equipment wiring end clamping device that moves away to avoid possible earthquakes | |
| CN205489270U (en) | Fine tuning ground wire hoisting device | |
| CN208046041U (en) | A kind of lift power distribution cabinet pedestal convenient for walking | |
| CN206283458U (en) | A kind of solar photovoltaic bracket of adjustable inclination angle | |
| CN109038292A (en) | It is a kind of to facilitate the distribution box for adjusting internal electric mounting height | |
| CN112162177A (en) | Ground fault detection system for power distribution network | |
| CN214150924U (en) | Ground fault detection system for power distribution network | |
| CN218040468U (en) | Device for preventing falling objects in high altitude during live working | |
| CN207518182U (en) | A kind of emergency electric power maintained equipment | |
| CN112415349B (en) | Portable partial discharge detection device and installation method thereof | |
| CN210577392U (en) | Overhead device for cable maintenance | |
| CN208848341U (en) | A kind of fixation device of novel electrical fire-detector | |
| CN206894187U (en) | A kind of busbar supporting device of mesolow power distribution cabinet | |
| CN211743686U (en) | Distribution equipment installation mechanism | |
| CN213879078U (en) | Cable classification supporting device for electric power engineering construction | |
| CN110190455A (en) | A kind of rapid wiring device | |
| CN212953469U (en) | Transmission line erecting device | |
| CN215645373U (en) | Grounding device is consolidated to regulator cubicle | |
| CN213647439U (en) | Portable high-efficient electrical equipment's maintenance frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210101 |
|
| WW01 | Invention patent application withdrawn after publication |