CN215579555U - Movable closed high-voltage switch cabinet - Google Patents

Abstract

The utility model relates to the technical field of high-voltage switch cabinets, and discloses a removable closed high-voltage switch cabinet which comprises an equipment main body shell, wherein a leakage device shell is welded on the side surface of the equipment main body shell, and a copper contact plate is clamped on the inner wall of the leakage device shell. This closed high tension switchgear of formula of moving away, when the device inside electric leakage, equipment main body shell is whole to be in the on state, copper drainage plate receives surface current and leads to first conductive metal piece through the copper contact plate, first conductive metal piece produces electricity and leads to producing magnetic force absorption in the electromagnetism stone to the electric wire internal input and through the connection square of electric wire surface iron together, make two conductive metal piece contacts and provide the energy and light the early warning for electric leakage warning lamp, the effectual staff of having solved when closed high tension switchgear of formula of moving away takes place the electric leakage is difficult to in time discover the problem that powerful voltage reveals can cause serious consequence, danger has been reduced.

Description

Movable closed high-voltage switch cabinet

Technical Field

The utility model relates to the technical field of high-voltage switch cabinets, in particular to a movable type closed high-voltage switch cabinet.

Background

China is a large power utilization country, huge electric quantity can be consumed every day, electricity can be produced through ocean tidal power generation, wind power generation and other modes and is stored and discharged by a power plant, the movable closed high-voltage switch cabinet is the most common equipment in the power plant, devices such as a circuit breaker, an isolating switch, an operating mechanism, a mutual inductor, a lightning arrester and the like are packaged in a metal cabinet, the functions of the devices are realized integrally, the overall safety is improved, the operation difficulty of workers is simplified, and meanwhile, the advantage that the occupied area of the traditional equipment is large is also reduced.

The movable type closed high-voltage switch cabinet is placed in a power plant and placed together with different equipment, when electric leakage occurs to an internal circuit in the working process, workers cannot find the electric leakage of the equipment in the operation process due to the fact that the quantity of the equipment is large, serious consequences can be caused by the strong voltage leakage, meanwhile, the interior of the movable type closed high-voltage switch cabinet is in a closed state, the circuit can be burnt due to long-time working, the equipment can be deformed or burst due to pressure accumulation caused by high combustion temperature, and the workers can be easily burnt by the exhausted high-temperature gas.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a movable type closed high-voltage switch cabinet, which has the advantages of electric leakage early warning, safety improvement and capability of avoiding high-temperature air pressure accumulation and explosion caused by internal combustion to burn workers, and solves the problems that when the movable type closed high-voltage switch cabinet generates electric leakage, the workers are not easy to find serious consequences caused by strong voltage leakage in time and the workers are burnt due to equipment deformation or collapse caused by air pressure accumulation caused by high-temperature combustion in the movable type closed high-voltage switch cabinet.

The utility model provides the following technical scheme: the utility model provides a closed high tension switchgear of formula of withdrawing, includes equipment main body shell, the side welding of equipment main body shell has the electric leakage device shell, the inner wall joint of electric leakage device shell has the copper contact plate, the equal joint in side of copper contact plate has the copper drainage plate, the side of copper drainage plate is provided with first conductive sheet metal, the side of first conductive sheet metal is provided with first flexible lasso, flexible groove has been seted up to the side of first flexible lasso, the inside sliding connection in flexible groove has the flexible lasso of second, the inside of the flexible lasso of second is provided with the electric wire, the side welding of electric wire has the electrically conductive sheet metal of second.

Preferably, the pressure relief mechanism comprises a partition plate, an inner groove, a fixed bearing and a connecting ring, the partition plate is welded on the inner wall of the main body shell of the equipment, the inner groove is formed in the top of the partition plate, the fixed bearing is welded on two sides of the inner wall of the inner groove, and the connecting ring is movably sleeved on the surface of the fixed bearing.

Preferably, the fixed joint in surface of electric wire has the connection square, the fixed joint in top of connecting the square has the electromagnetism stone, the side welding of electromagnetism stone has the spring.

Preferably, the side welding of equipment main body shell has fixed square, the joint groove has been seted up to the side of fixed square, the inside joint in joint groove has the joint diaphragm, the side welding of joint diaphragm has last dust board, the bottom welding of going up dust board has lower dust board.

Preferably, the electric leakage device shell is electrically connected with an electric leakage early warning lamp, an equipment main body shell is welded on the side face of the copper contact plate, and an exhaust net is arranged on the side face of the equipment main body shell.

Preferably, the surface of the connecting ferrule is fixedly clamped with a sealing cover plate, and a rubber sealing strip is arranged on the side surface of the sealing cover plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. this closed high tension switchgear of formula of moving away, through setting up the copper contact plate, copper drainage plate and electromagnetism stone, when the inside electric leakage of the device, the whole on-state that is in of equipment main part shell, surface current is received to the copper drainage plate and is led into first conductive metal piece through the copper contact plate, first conductive metal piece produces electricity and inputs and lead to in the electromagnetism stone through the connection square of electric wire surface iron to the electric wire in the circular telegram and produce magnetic force absorption and be in the same place, make two conductive metal piece contacts and provide the energy and light the early warning for electric leakage warning light, effectual solved when closed high tension switchgear of formula of moving away takes place the electric leakage the staff be difficult to in time discover the problem that powerful voltage reveals can cause serious consequence, danger has been reduced.

2. This closed high tension switchgear of formula of moving away, through setting up fixing bearing, the connecting ring, closed cover and rubber seal strip, when the circuit of the division board bottom in the equipment main body shell takes place to burn, the atmospheric pressure that high temperature arouses is collected and is upwards washed open closed cover, make the connecting ring of closed cover side rotate at fixing bearing's surface, thereby discharge the top of high temperature gas to the division board, the net of airing exhaust of rethread side discharges, the rubber seal strip can reduce closed cover's gap, guarantee inside and be in the confined environment, effectual solved move open type closed high tension switchgear inside the burning atmospheric pressure that high temperature arouses collect make equipment deformation or collapse and open the problem that causes high temperature gas to discharge staff that burns, the security has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the right side structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic side sectional view of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the pressure relief mechanism of FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 3 according to the present invention.

In the figure: 1. an apparatus main body casing; 2. a lower dust guard; 3. an upper dust guard; 4. a clamping groove; 5. fixing the square block; 6. clamping the transverse plate; 7. a leakage device housing; 8. an electric leakage early warning lamp; 9. a copper drainage plate; 10. a copper contact plate; 11. a first telescopic ferrule; 12. a first conductive metal sheet; 13. a partition plate; 14. a connecting ferrule; 15. an inner tank; 16. closing the cover plate; 17. fixing the bearing; 18. a second telescoping collar; 19. a rubber sealing strip; 20. a telescopic groove; 21. an electromagnet; 22. a spring; 23. a second conductive metal sheet; 24. connecting the squares; 25. an electric wire; 26. a pressure relief mechanism.

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, a withdrawable closed high voltage switch cabinet includes an apparatus main body housing 1, a leakage device housing 7 welded to a side surface of the apparatus main body housing 1, a copper contact plate 10 fastened to an inner wall of the leakage device housing 7, a copper conduction plate 9 fastened to both side surfaces of the copper contact plate 10, the copper conduction plate 9 and the copper contact plate 10 both made of copper, the copper has good conductivity and can effectively transmit leakage current, thereby improving the accuracy of early warning, a first conductive metal sheet 12 is provided on a side surface of the copper conduction plate 9, a first telescopic ferrule 11 is provided on a side surface of the first conductive metal sheet 12, a telescopic slot 20 is provided on a side surface of the first telescopic ferrule 11, a second telescopic ferrule 18 is slidably connected to an inside of the telescopic slot 20, an electric wire 25 is provided inside the second telescopic ferrule 18, and a second conductive metal sheet 23 is welded to a side surface of the electric wire 25.

Wherein; the pressure relief mechanism 26 comprises a partition plate 13, an inner groove 15, a fixed bearing 17 and a connecting ring 14, the partition plate 13 is welded on the inner wall of the main body casing 1, the partition plate 13 divides the inner part of the main body casing 1 into a high-pressure area and a pressure relief area, the high-pressure area is responsible for placing circuits and guaranteeing the sealing performance of a working environment, the pressure relief area is responsible for safely discharging air pressure generated by high combustion temperature caused by long-time work of the high-pressure area, the inner groove 15 is formed in the top of the partition plate 13, the fixed bearing 17 is welded on two sides of the inner wall of the inner groove 15, and the connecting ring 14 is movably sleeved on the surface of the fixed bearing 17.

Wherein; the surface of the electric wire 25 is fixedly clamped with the connecting block 24, the top of the connecting block 24 is fixedly clamped with the electromagnet 21, the side of the electromagnet 21 is welded with the spring 22, the spring 22 can be used as the standard of the electric leakage intensity, when the internal leakage current is low, the magnetic force generated by the electromagnet 21 is weak, and the elastic force of the spring 22 is greater than the adsorption force, so that the leakage current is weak and has no danger.

Wherein; fixed square 5 has been welded to the side of equipment main body cover 1, and joint groove 4 has been seted up to the side of fixed square 5, and the inside joint in joint groove 4 has joint diaphragm 6, and the side welding of joint diaphragm 6 has last dust board 3, and the bottom welding of going up dust board 3 has lower dust board 2.

Wherein; the electric leakage device shell 7 is electrically connected with an electric leakage early warning lamp 8, the side surface of the copper contact plate 10 is welded with the equipment main body shell 1, and the side surface of the equipment main body shell 1 is provided with an exhaust net.

Wherein; the surface of the connecting ferrule 14 is fixedly clamped with a sealing cover plate 16, the side surface of the sealing cover plate 16 is provided with a rubber sealing strip 19, and the rubber sealing strip 19 can reduce the gap between the two sealing cover plates 16 and ensure that the bottom of the partition plate 13 is in a sealed state.

The working principle is that in the using process, when electric leakage occurs in an internal circuit of the equipment, electricity can enable the whole iron equipment main body shell 1 to be in an electrified state, the copper drainage plate 9 on the side surface of the electrified equipment main body shell 1 receives current on the surface of the equipment main body shell 1 and leads the current to the first conductive metal sheet 12 through the copper contact plate 10, then the electric wire 25 connected with the first conductive metal sheet 12 generates electricity, so that the iron connection block 24 on the surface of the electric wire 25 serves as a conduction medium to enable the connected electromagnet 21 to be electrified to generate magnetic force to be adsorbed together, the two second conductive metal sheets 23 are contacted to provide energy for the electric leakage early warning lamp 8 to light up for early warning when the electromagnet 21 is adsorbed, workers can find out to carry out emergency repair, the partition plate 13 in the equipment main body shell 1 divides the inside into a high-voltage area and a pressure-releasing area, when the circuit is placed in a long-time work to cause combustion, the air pressure caused by high temperature can be used for blowing open the sealing cover plate 16, so that the connecting ring 14 on the side surface of the sealing cover plate 16 can be rotated on the surface of the fixed bearing 17, and the high-temperature gas can be discharged to the pressure relief area of the partition plate 13 and then discharged through the air outlet on the side surface of the device main body shell 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A movable type closed high-voltage switch cabinet is characterized in that: including equipment main body shell (1), the side welding of equipment main body shell (1) has electric leakage device shell (7), the inner wall joint of electric leakage device shell (7) has copper contact board (10), the equal joint in side of copper contact board (10) has copper drainage plate (9), the side of copper drainage plate (9) is provided with first conductive sheet metal (12), the side of first conductive sheet metal (12) is provided with first flexible lasso (11), flexible groove (20) have been seted up to the side of first flexible lasso (11), the inside sliding connection of flexible groove (20) has the flexible lasso of second (18), the inside of the flexible lasso of second (18) is provided with electric wire (25), the side welding of electric wire (25) has second conductive sheet metal (23).

2. A withdrawable closed high-voltage switchgear cabinet according to claim 1, characterized in that: pressure release mechanism (26) have partition plate (13), inside groove (15), fixing bearing (17) and connection ring (14) including, the inner wall welding of equipment main body shell (1) has partition plate (13), inside groove (15) have been seted up at the top of partition plate (13), the welding of the inner wall both sides of inside groove (15) has fixing bearing (17), the surface activity of fixing bearing (17) has cup jointed connection ring (14).

3. A withdrawable closed high-voltage switchgear cabinet according to claim 1, characterized in that: the fixed surface joint of electric wire (25) has connection square (24), the fixed joint in top of connecting square (24) has electromagnetism stone (21), the side welding of electromagnetism stone (21) has spring (22).

4. A withdrawable closed high-voltage switchgear cabinet according to claim 1, characterized in that: the welding of the side of equipment main body shell (1) has fixed square (5), joint groove (4) have been seted up to the side of fixed square (5), the inside joint in joint groove (4) has joint diaphragm (6), the welding of the side of joint diaphragm (6) has last dust board (3), the welding of the bottom of going up dust board (3) has lower dust board (2).

5. A withdrawable closed high-voltage switchgear cabinet according to claim 1, characterized in that: the electric leakage device is characterized in that the electric leakage device shell (7) is electrically connected with an electric leakage early warning lamp (8), an equipment main body shell (1) is welded on the side face of the copper contact plate (10), and an exhaust net is arranged on the side face of the equipment main body shell (1).

6. A withdrawable closed high-voltage switchgear cabinet according to claim 2, characterized in that: the surface of the connecting ferrule (14) is fixedly clamped with a sealing cover plate (16), and the side surface of the sealing cover plate (16) is provided with a rubber sealing strip (19).

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