CN112713526A - Electric leakage early warning device of low-voltage power distribution cabinet - Google Patents
Electric leakage early warning device of low-voltage power distribution cabinet Download PDFInfo
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- CN112713526A CN112713526A CN202011588977.1A CN202011588977A CN112713526A CN 112713526 A CN112713526 A CN 112713526A CN 202011588977 A CN202011588977 A CN 202011588977A CN 112713526 A CN112713526 A CN 112713526A
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- fixed
- early warning
- warning device
- low
- rod
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Distribution Board (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention belongs to the technical field of power distribution system equipment, and particularly relates to a leakage early warning device of a low-voltage power distribution cabinet. According to the early warning device, the fixing box, the plug board and the slot are matched, when the early warning device is used, the plug board at the bottom of the early warning device main body is correspondingly inserted into the slot in the fixing box, so that the early warning device main body can be quickly installed, meanwhile, the plug board can be further fixed through the matching of the rotating device and the fixing mechanism, and the stability and the reliability of plug board fixing are improved.
Description
Technical Field
The invention relates to the technical field of power distribution system equipment, in particular to a leakage early warning device of a low-voltage power distribution cabinet.
Background
The power distribution system is a link directly facing to a terminal user in the power system, and the perfection of the power distribution system directly relates to the power utilization reliability and the power utilization quality of the user. In China, power distribution systems are divided into high-voltage power distribution systems, medium-voltage power distribution systems and low-voltage power distribution systems according to different voltages, wherein the alternating-current low-voltage power distribution systems are the most common to provide electricity for daily life and production. Alternating current low-voltage power distribution cabinet wide application is in various places, and the most setting is in the open air, accepts the examination of various bad weather such as sleet, sets up a large amount of electrical components, instrument, switch and circuit etc. in the switch board, in case switch board ground connection is good, the shell damages, electrical apparatus wets, the circuit is ageing etc. causes the electric leakage phenomenon easily, and then causes accidents such as conflagration, human electric shock. At present low-voltage distribution cabinet can assemble electric leakage early warning device, monitors the electric leakage condition of switch board, and the step ten minutes complicacy of traditional electric leakage early warning device dismantlement under the condition that does not have any instrument, can not manual dismantlement electric leakage early warning device, is not very convenient when overhauing electric leakage early warning device or dismantling electric leakage early warning device, very big degree's reduction work efficiency.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a leakage early warning device of a low-voltage power distribution cabinet, which solves the problem.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a low-voltage distribution cabinet's electric leakage early warning device, the intelligent cabinet temperature adjusting device comprises a cabinet body, there is the cabinet door front end surface of the cabinet body through hinge swing joint, the bottom of the cabinet body is fixed with the base, the interior bottom of the cabinet body is fixed with the early warning device main part, be fixed with in the early warning device main part and be used for carrying out the ann's subassembly of tearing open fast to it, the subassembly of tearing open including the fixed box, picture peg and slot, the interior bottom at the cabinet body is fixed to the fixed box, the bottom at the early warning device main part is fixed at the top of picture peg, and the picture peg passes through the slot and pegs graft in the fixed box, the front side of picture peg is provided with rotary device, through the fixed box that sets up, the picture peg, mutually supporting of slot, only need correspond the picture peg of.
The rotating device comprises a driving rod, a first bearing is sleeved on the driving rod and clamped on the mounting and dismounting assembly, a driving bevel gear is fixed at one end of the driving rod extending towards the inside of the fixing box, a driven bevel gear is meshed and connected to one side of the driving bevel gear, a transmission rod is fixed in an axial hole of the driven bevel gear, a first screw rod and a second screw rod are symmetrically fixed at two ends of the transmission rod, the screw rotating directions of the first screw rod and the second screw rod are opposite, a fixing mechanism is movably connected to the first screw rod and the second screw rod, the driving rod rotates in the first bearing to drive the driving bevel gear to rotate through manual rotation of the driving rod, the driving bevel gear rotates to drive the driven bevel gear to rotate, the driven bevel gear drives the transmission rod to rotate, the transmission rod further drives the first screw rod and the second screw rod to rotate when rotating, and the screw rotating directions of the first screw rod, so as to drive the fixing mechanism with the screw thread matching thereon to move in the opposite direction.
According to a preferred technical scheme, the fixing mechanism comprises a threaded cylinder and a connecting block, the threaded cylinder is in threaded connection with the first screw rod and the second screw rod, the connecting block is integrally formed on the rear side of the threaded cylinder, a moving rod is fixed at one end, far away from the threaded cylinder, of the connecting block, a clamping block is fixed at one side, close to the inserting plate, of the moving rod, a clamping groove matched with the clamping block is formed in the inserting plate, a spring is fixed at one side, far away from the inserting plate, of the moving rod, one end of the spring is fixed on the inner side wall of the fixing box, the threaded cylinders are driven by the rotating device to move oppositely, the clamping block is driven to be clamped into the clamping groove, accordingly, the inserting plate is fixed.
As a preferred technical scheme of the invention, one end of the moving rod, which is far away from the connecting block, is fixed with a limiting block, and the rear end of the fixed box is fixed with a limiting groove matched with the limiting block, so that the movement of the fixing mechanism is limited.
As a preferred technical scheme of the invention, a handle is fixed at the top of the driving rod, and anti-skid grains are arranged on the handle, so that the rotating device can be conveniently rotated manually.
As a preferable technical scheme of the invention, the ends, far away from each other, of the first screw rod and the second screw rod are respectively sleeved with a second bearing, the second bearings are clamped in through holes in two side walls of the fixed box, and the first screw rod and the second screw rod rotate in the second bearings, so that the rotation of the second screw rod is more stable.
As a preferred technical scheme of the invention, the four corners of the two sides of the fixed box are respectively fixed with a fixed block, and the fixed blocks are in threaded connection with fixed bolts, so that the fixed box is conveniently fixed on the cabinet body and is convenient to disassemble.
As a preferred technical scheme of the invention, the outer wall of one side of the cabinet body is provided with heat dissipation holes which are distributed in a rectangular array, so that a good heat dissipation effect can be achieved for the interior of the cabinet body.
Compared with the prior art, the invention provides the electric leakage early warning device of the low-voltage power distribution cabinet, which has the following beneficial effects:
1. the electric leakage early warning device of the low-voltage power distribution cabinet can quickly finish the installation of the early warning device main body only by correspondingly inserting the plug board at the bottom of the early warning device main body into the slot on the fixed box through the mutual matching of the fixed box, the plug board and the slot,
2. through the matching of the rotating device and the fixing mechanism, the rotating device is utilized to drive the clamping block on the fixing mechanism to be clamped into the clamping groove on the plugboard, the plugboard can be further fixed, the stability and the reliability of the plugboard fixation are improved, and only the rotating device is utilized to drive the clamping block on the fixing mechanism to exit from the clamping groove during disassembly;
3. the early warning device can be directly disassembled manually, so that the disassembling steps of the early warning device main body are simplified, the early warning device main body is very convenient to overhaul or replace, a large amount of time is saved, and the working efficiency is improved to a great extent.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a leakage early warning device of a low-voltage power distribution cabinet according to the present invention;
fig. 2 is a schematic structural diagram of an assembly and disassembly assembly of the electric leakage early warning device of the low-voltage power distribution cabinet of the invention;
fig. 3 is a schematic structural diagram of the leakage early warning device of the low-voltage power distribution cabinet in fig. 2 from another view angle;
fig. 4 is a schematic view of a partial structure of an assembly and disassembly component of the electric leakage early warning device of the low-voltage distribution cabinet of the invention;
fig. 5 is a schematic structural diagram of a fixing mechanism of the electric leakage early warning device of the low-voltage power distribution cabinet.
In the figure: 1. a cabinet body; 2. a cabinet door; 3. a base; 4. a pre-warning device body; 5. heat dissipation holes; 6. installing and detaching the component; 7. a fixed box; 8. inserting plates; 9. a slot; 10. a drive rod; 11. a handle; 12. a first bearing; 13. a drive bevel gear; 14. a driven bevel gear; 15. a transmission rod; 16. a first lead screw; 17. a second lead screw; 18. a threaded barrel; 19. connecting blocks; 20. a travel bar; 21. a clamping block; 22. a card slot; 23. a spring; 24. a limiting block; 25. a limiting groove; 26. a fixed block; 27. fixing the bolt; 28. a second bearing.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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 fig. 1-5, in this embodiment: a leakage early warning device of a low-voltage power distribution cabinet comprises a cabinet body 1, a cabinet door 2 is movably connected with the outer surface of the front end of the cabinet body 1 through a hinge, a base 3 is fixed at the bottom of the cabinet body 1, an early warning device main body 4 is fixed at the inner bottom of the cabinet body 1, an assembling and disassembling component 6 for quickly disassembling the early warning device main body 4 is fixed on the early warning device main body 4, the assembling and disassembling component 6 comprises a fixed box 7, an inserting plate 8 and an inserting groove 9, the fixed box 7 is fixed at the inner bottom of the cabinet body 1, the top of the inserting plate 8 is fixed at the bottom of the, the inserting plate 8 is inserted in the fixed box 7 through the slot 9, the front side of the inserting plate 8 is provided with a rotating device, through the mutual matching of the fixed box 7, the inserting plate 8 and the slot 9, when the early warning device is used, the early warning device main body 4 can be quickly installed only by correspondingly inserting the inserting plate 8 at the bottom of the early warning device main body 4 into the inserting groove 9 on the fixing box 7.
In this embodiment, the rotating device includes a driving rod 10, a first bearing 12 is sleeved on the driving rod 10, the first bearing 12 is clamped on the mounting and dismounting assembly 6, a driving bevel gear 13 is fixed at one end of the driving rod 10 extending towards the inside of the fixing box 7, a driven bevel gear 14 is engaged and connected to one side of the driving bevel gear 13, a transmission rod 15 is fixed in an axial hole of the driven bevel gear 14, a first lead screw 16 and a second lead screw 17 are symmetrically fixed at two ends of the transmission rod 15, the screw rotating directions of the first lead screw 16 and the second lead screw 17 are opposite, a fixing mechanism is movably connected to both the first lead screw 16 and the second lead screw 17, by manually rotating the driving rod 10, the driving rod 10 rotates in the first bearing 12 to drive the driving bevel gear 13 to rotate, the driving bevel gear 13 rotates to drive the driven bevel gear 14 to rotate, the driven bevel gear 14 drives the transmission rod 15 to rotate, when the transmission rod 15 rotates, the first lead screw 16, since the thread rotating directions of the first screw rod 16 and the second screw rod 17 are opposite, the fixing mechanism with the thread matching thereon is driven to move in the opposite direction.
Fixing mechanism includes a screw thread section of thick bamboo 18, connecting block 19, 18 threaded connection of a screw thread section of thick bamboo are on first lead screw 16 and second lead screw 17, the rear side integrated into one piece of a screw thread section of thick bamboo 18 has connecting block 19, the one end that 18 was kept away from to a screw thread section of thick bamboo 19 is fixed with carriage release lever 20, one side that carriage release lever 20 is close to picture peg 8 is fixed with fixture block 21, set up the draw-in groove 22 with fixture block 21 looks adaptation on the picture peg 8, one side that 8 was kept away from to picture peg 8 of carriage release lever 20 is fixed with spring 23, the inside wall at fixed case 7 is fixed to the one end of spring 23, it is the relative movement to drive a screw thread section of thick bamboo 18 by rotary device, and drive in fixture block 21 card advances.
A limiting block 24 is fixed at one end of the moving rod 20 far away from the connecting block 19, and a limiting groove 25 matched with the limiting block 24 is fixed at the rear end of the fixing box 7, so that the movement of the fixing mechanism is limited.
The top of the driving rod 10 is fixed with a handle 11, and the handle 11 is provided with anti-skid lines, so that the rotating device can be conveniently rotated manually.
The one end that first lead screw 16 and second lead screw 17 kept away from each other all has cup jointed second bearing 28, and second bearing 28 joint is in the through-hole of fixed case 7 both sides wall, and first lead screw 16 and second lead screw 17 are at the 28 internal rotations of second bearing for the rotation of second lead screw 17 is more stable.
Four edges of the two sides of the fixed box 7 are respectively fixed with a fixed block 26, the fixed block 26 is connected with a fixed bolt 27 through threads, the fixed box 7 is fixed on the cabinet body 1 conveniently, and the cabinet is convenient to detach.
The heat dissipation holes 5 are formed in the outer wall of one side of the cabinet body 1, the heat dissipation holes 5 are distributed in a rectangular array mode, and a good heat dissipation effect can be achieved inside the cabinet body 1.
The working principle and the using process of the invention are as follows: when in use, the inserting plate 8 at the bottom of the early warning device main body 4 is correspondingly inserted into the slot 9 on the fixing box 7, then the driving rod 11 is manually rotated, the driving rod 11 drives the handle 10 to rotate, the handle 10 rotates in the first bearing 12 to drive the driving bevel gear 13 to rotate, the driving bevel gear 13 rotates to drive the driven bevel gear 14 to rotate, the driven bevel gear 14 drives the driving rod 15 to rotate, the driving rod 15 further drives the first screw rod 16 and the second screw rod 17 to rotate when rotating, as the thread rotating directions of the first screw rod 16 and the second screw rod 17 are opposite, the thread cylinders 18 in thread fit with the first screw rod can be driven to move oppositely, and the clamping block 21 is driven to be clamped into the clamping slot 22, thereby fixing the inserting plate 8, improving the stability and reliability of fixing the inserting plate 8, only the rotating device needs to drive the clamping block 21 on the fixing mechanism to withdraw from the clamping slot 22 when disassembling, can directly dismantle early warning device main part 4 through manual, simplify the step that early warning device main part 4 dismantled, overhaul early warning device main part 4 or change early warning device main part 4 very convenient, saved a large amount of time, to a great extent the improvement work efficiency.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a low-voltage distribution cabinet's electric leakage early warning device, includes the cabinet body (1), there is cabinet door (2), its characterized in that at the front end surface of the cabinet body (1) through hinge swing joint: the bottom of the cabinet body (1) is fixed with base (3), the interior bottom of the cabinet body (1) is fixed with early warning device main part (4), be fixed with on the early warning device main part (4) and be used for carrying out ann of dismantling fast and tear subassembly (6) open, ann tears subassembly (6) open including fixed case (7), picture peg (8) and slot (9), the interior bottom at the cabinet body (1) is fixed in fixed case (7), the bottom at early warning device main part (4) is fixed at the top of picture peg (8), and picture peg (8) are pegged graft in fixed case (7) through slot (9), the front side of picture peg (8) is provided with rotary device.
2. A leakage early warning device for a low-voltage distribution cabinet according to claim 1, characterized in that: the rotating device comprises a driving rod (10), a first bearing (12) is sleeved on the driving rod (10), the first bearing (12) is connected to an installing and detaching assembly (6) in a clamped mode, one end of the driving rod (10) extending towards the inside of a fixed box (7) is fixed with a driving bevel gear (13), one side of the driving bevel gear (13) is connected with a driven bevel gear (14) in a meshed mode, a transmission rod (15) is fixed in an axis hole of the driven bevel gear (14), first screw rods (16) and second screw rods (17) are symmetrically fixed at two ends of the transmission rod (15), the screw thread turning directions of the first screw rods (16) and the second screw rods (17) are opposite, and fixing mechanisms are movably connected to the first screw rods (16) and the second screw rods (17).
3. A leakage early warning device for a low-voltage distribution cabinet according to claim 2, characterized in that: the fixing mechanism comprises a threaded cylinder (18) and a connecting block (19), the threaded cylinder (18) is in threaded connection with a first screw rod (16) and a second screw rod (17), the connecting block (19) is integrally formed at the rear side of the threaded cylinder (18), one end, away from the threaded cylinder (18), of the connecting block (19) is fixed with a moving rod (20), one side, close to the inserting plate (8), of the moving rod (20) is fixed with a clamping block (21), a clamping groove (22) matched with the clamping block (21) is formed in the inserting plate (8), one side, away from the inserting plate (8), of the moving rod (20) is fixed with a plurality of springs (23) which are distributed in an equidistant straight line, and one end of each spring (23) is fixed on the inner side wall of the fixed box (7).
4. A leakage early warning device for a low-voltage distribution cabinet according to claim 3, characterized in that: one end of the moving rod (20) far away from the connecting block (19) is fixed with a limiting block (24), and the rear end of the fixed box (7) is fixed with a limiting groove (25) matched with the limiting block (24).
5. A leakage early warning device for a low-voltage distribution cabinet according to claim 2, characterized in that: the top of the driving rod (10) is fixed with a handle (11), and the handle (11) is provided with anti-skid lines.
6. A leakage early warning device for a low-voltage distribution cabinet according to claim 3, characterized in that: and one ends of the first screw rod (16) and the second screw rod (17) which are far away from each other are respectively sleeved with a second bearing (28), and the second bearings (28) are clamped in through holes in two side walls of the fixed box (7).
7. A leakage early warning device for a low-voltage distribution cabinet according to claim 1, characterized in that: four corners of two sides of the fixed box (7) are respectively fixed with a fixed block (26), and the fixed blocks (26) are in threaded connection with fixing bolts (27).
8. A leakage early warning device for a low-voltage distribution cabinet according to claim 1, characterized in that: heat dissipation holes (5) are formed in the outer wall of one side of the cabinet body (1), and the heat dissipation holes (5) are distributed in a rectangular array mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011588977.1A CN112713526B (en) | 2020-12-29 | 2020-12-29 | Leakage early warning device of low-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011588977.1A CN112713526B (en) | 2020-12-29 | 2020-12-29 | Leakage early warning device of low-voltage power distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112713526A true CN112713526A (en) | 2021-04-27 |
| CN112713526B CN112713526B (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011588977.1A Active CN112713526B (en) | 2020-12-29 | 2020-12-29 | Leakage early warning device of low-voltage power distribution cabinet |
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| CN (1) | CN112713526B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101153840B1 (en) * | 2012-03-14 | 2012-07-03 | (주)세진파워텍 | A distributing board having check up part of leakage current |
| CN207765825U (en) * | 2017-12-14 | 2018-08-24 | 天津万事成新能源科技有限公司 | A kind of reduced form solar power generation cabinet |
| CN108652837A (en) * | 2018-02-06 | 2018-10-16 | 谢博 | A kind of medical stretcher of folding storage |
| CN108711743A (en) * | 2018-08-02 | 2018-10-26 | 江志敏 | A kind of communication apparatus protection cabinet |
| CN209267696U (en) * | 2018-10-16 | 2019-08-16 | 郑州朝虹科技有限公司 | A kind of tempering flat liquid crystal smart television |
-
2020
- 2020-12-29 CN CN202011588977.1A patent/CN112713526B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101153840B1 (en) * | 2012-03-14 | 2012-07-03 | (주)세진파워텍 | A distributing board having check up part of leakage current |
| CN207765825U (en) * | 2017-12-14 | 2018-08-24 | 天津万事成新能源科技有限公司 | A kind of reduced form solar power generation cabinet |
| CN108652837A (en) * | 2018-02-06 | 2018-10-16 | 谢博 | A kind of medical stretcher of folding storage |
| CN108711743A (en) * | 2018-08-02 | 2018-10-26 | 江志敏 | A kind of communication apparatus protection cabinet |
| CN209267696U (en) * | 2018-10-16 | 2019-08-16 | 郑州朝虹科技有限公司 | A kind of tempering flat liquid crystal smart television |
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| Publication number | Publication date |
|---|---|
| CN112713526B (en) | 2023-06-13 |
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