CN215680504U

CN215680504U - High-voltage switch convenient to dismantle

Info

Publication number: CN215680504U
Application number: CN202121145956.2U
Authority: CN
Inventors: 李益民; 湛晓旭
Original assignee: Shenyang Dongwu Electrical Equipment Co ltd
Current assignee: Liaoning Dongmu Electric Appliance Manufacturing Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-01-28
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a high-voltage switch convenient to disassemble, which comprises a box body, wherein a grounding chamber is welded at the bottom of the left side inside the box body, the left side inside the grounding chamber is connected with a grounding switch through a bolt, the right side of the grounding switch is connected with a connecting bus, and a grounding wire is fixed at the bottom end of the box body inside the grounding chamber through a bolt. According to the utility model, the first high-voltage connecting device and the second high-voltage connecting device are fixed through bolts, and form an angle of 90 degrees, and an interval exists between the first high-voltage connecting device and the second high-voltage connecting device, so that the installation and the disassembly are convenient, and the maintenance efficiency of workers is improved.

Description

High-voltage switch convenient to dismantle

Technical Field

The utility model belongs to the technical field of high-voltage switches, and particularly relates to a high-voltage switch convenient to disassemble.

Background

The rated voltage of 3kV or above is mainly used for switching on and switching off the electric appliance of the conductive loop. In 2007-2012, the total value of the industry in the high-voltage switch manufacturing industry increases year by year, the percentage of increase on the same scale is above 10%, and the industry keeps a faster development speed.

The existing high-voltage switch is easy to break, particularly, the high-voltage switch is complex to disassemble in the maintenance condition, the labor intensity of workers is increased, the working efficiency is low, particularly, the high-voltage switch is poor in contact or sparks, a fire disaster can be caused, the workers can discover late due to the fact that no reminding device is arranged, the danger coefficient is high, the safety coefficient of an isolating knife on the existing high-voltage switch is low when the isolating knife is controlled, and therefore the high-voltage switch convenient to disassemble is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-voltage switch convenient to disassemble, and aims to solve the problems that in the background technology, a circuit is easy to break, particularly, the disassembly is complicated in the maintenance condition, the labor intensity of workers is increased, the working efficiency is low, particularly, the high-voltage switch has poor contact or sparks, a fire hazard is caused, the workers have the condition of late discovery due to the fact that no reminding device is arranged, the danger coefficient is high, and the safety coefficient of an isolation knife on the existing high-voltage switch is low during operation and control.

The utility model is thus achieved, a high voltage switch, which is easy to disassemble, comprising:

the box, the welding of the inside left side bottom of box has the earthing room, bolt earthing switch is passed through on the inside left side of earthing room, the earthing switch right side is connected with connecting bus, the earthing room inside in the box bottom is through the bolt fastening earth connection, earth connection and connecting bus electric connection.

The upper end of the grounding chamber is provided with a first high-voltage connecting device, the first high-voltage connecting device consists of five parts, namely a connecting seat, a ceramic arc extinguishing body, an inner sleeve, a protecting sleeve and a connecting sheet, the ceramic arc extinguishing body is arranged at the upper end of the connecting seat, and the inner sleeve is arranged in the ceramic arc extinguishing body;

the connecting seat passes through the bolt fastening in ground connection room upper end, ceramic arc extinguishing body top is equipped with the lag, ceramic arc extinguishing body top is equipped with the tie point in lag inside, tie point right side welded connection piece, the connection piece inboard is equipped with the connection electric shock of a body structure, the cable conductor of connection electric shock bottom is in that the endotheca is inside and is connected to the connecting bus.

Preferably, as a preferred aspect of the present invention, a breaking chamber is welded at the upper right corner inside the box, the breaking chamber includes a bus protection sleeve and a breaker, the breaker is fixed inside the breaking chamber on the inner wall of the box through a bolt, and a cable inside the bus protection sleeve is electrically connected to the breaker.

Preferably, as one preferable mode of the present invention, the left end of the breaker chamber is fixed with a second high-voltage connection device through a bolt, a contact point is welded at the left end of the second high-voltage connection device, the contact point is rotatably connected with an isolation knife, grooves having a concave structure are formed on the front side and the rear side of the left end of the isolation knife, and the grooves are electrically connected with a connection electric shock.

Preferably, as a preferred aspect of the present invention, an operating device is disposed at the left end of the breaking chamber below the second high-voltage connecting device, the operating device is composed of five parts, namely a connecting frame, an operating handle, a connecting sleeve and a bottom frame, and the connecting frame is fixed at the left side of the breaking chamber below the second high-voltage connecting device through bolts.

Preferably, as one preferred of the utility model, the front side and the rear side of the left end of the connecting frame are both provided with a strip-shaped groove, a connecting sleeve is arranged inside the connecting frame, sliding rods arranged at the front and the rear of the connecting sleeve are positioned inside the strip-shaped groove and are connected in a sliding manner, a control handle connected in a sliding manner is arranged inside the connecting sleeve, and the top end of the control handle is connected with the isolation knife through a rotating shaft.

Preferably, as a preferred aspect of the present invention, the surface of each of the connecting piece and the isolating blade is plated with an anti-oxidation layer.

Preferably, as a preferred aspect of the present invention, the manipulation handle is made of insulating hard silicone.

Preferably, as a preferred aspect of the present invention, the flash sensor is fixed at the top end of the left side inside the box body through a bolt, and an alarm is arranged at the left side of the top of the box body.

Preferably, as a preferred aspect of the present invention, the inner wall of the box body is provided with a protective layer, and the protective layer is composed of an explosion-proof layer made of a steel plate, a fire-resistant layer made of a fiberboard and an insulating layer made of hard rubber.

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

1. according to the utility model, the first high-voltage connecting device and the second high-voltage connecting device are fixed through bolts, and form an angle of 90 degrees, and a gap is formed between the first high-voltage connecting device and the second high-voltage connecting device, so that the installation and the disassembly are convenient, and the maintenance efficiency of workers is improved.

2. According to the utility model, the control device is arranged at the left end of the breaking chamber through the bolt, and the control handle is an insulator and can be stretched in the connecting sleeve to control the isolation knife, so that not only is the safety increased, but also the disassembly and the maintenance are convenient.

3. According to the utility model, the flash sensor is arranged in the box body, so that the alarm can give out an alarm when the inside of the box body flashes, and workers can know the alarm at the first time.

Drawings

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

FIG. 2 is a top view of an exploded structure of the isolation blade and the connecting piece of the present invention;

FIG. 3 is an internal view of the operation device and the isolation knife according to the present invention;

FIG. 4 is a schematic view of the connection structure of the connection sleeve and the bottom frame of the present invention;

fig. 5 is a schematic view of the layered structure of the protective layer of the present invention.

In the figure: 1. a first high voltage connection; 101. a connecting seat; 102. a ceramic arc extinguishing body; 103. An inner sleeve; 104. a protective sleeve; 105. connecting sheets; 106. connecting an electric shock; 2. a second high voltage connection; 3. a contact point; 4. an isolation knife; 5. a breaking chamber; 501. a bus protective sleeve; 502. a circuit breaker; 6. a ground chamber; 601. a grounding switch; 602. connecting a bus; 603. a ground line; 7. an operating device; 701. a connecting frame; 702. a rotating shaft; 703. a control handle; 704. A connecting sleeve; 705. a chassis; 706. a strip-shaped groove; 707. a slide bar; 8. a flash sensor; 9. an alarm; 10. a protective layer; 1001. an explosion-proof layer; 1002. a refractory layer; 1003. an insulating layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, in the description of the present invention, furthermore, "first", "second", "third", and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. It will be understood by those of ordinary skill in the art that the above terms in the present invention have the meaning of "a plurality" of two or more in each particular case unless specifically defined otherwise.

As shown in fig. 1-5, the present invention provides a technical solution: the method comprises the following steps:

the grounding chamber 6 is welded at the bottom of the left side of the interior of the box body, the left side of the interior of the grounding chamber 6 is connected with the grounding switch 601 through a bolt, the right side of the grounding switch 601 is connected with a connecting bus 602, a grounding wire 603 is fixed at the bottom end of the box body in the interior of the grounding chamber 6 through a bolt, and the grounding wire 603 is electrically connected with the connecting bus 602;

the upper end of the grounding chamber 6 is provided with a first high-voltage connecting device 1, the first high-voltage connecting device 1 is composed of five parts, namely a connecting seat 101, a ceramic arc-extinguishing body 102, an inner sleeve 103, a protective sleeve 105 and a connecting sheet 105, the upper end of the connecting seat 101 is provided with the ceramic arc-extinguishing body 102, and the inner sleeve 103 is arranged inside the ceramic arc-extinguishing body 102;

connecting seat 101 passes through the bolt fastening in ground connection room 6 upper end, and ceramic arc-extinguishing body 102 top is equipped with lag 104, and ceramic arc-extinguishing body 102 top is equipped with the tie point in lag 104 inside, tie point right side welded connection piece 105, and the connection piece 105 inboard is equipped with the connection of a body structure and electrocutes 106, connects the cable conductor that electrocutes 106 bottom and is in that endotheca 103 is inside and be connected to connecting bus 602, connects to electrocute and keep apart the recess formation of seting up on the sword and correspond, has increased the security.

The inside upper right corner welding of box breaking room 5, breaking room 5 includes generating line protective sheath 501 and circuit breaker 502, and circuit breaker 502 passes through the bolt fastening at breaking room 5 inside on the box inner wall, the cable conductor and the circuit breaker 502 electric connection in the generating line protective sheath 501, and the setting of circuit breaker is for producing the short circuit and carry out the effect of disconnect.

5 left ends of room that opens circuit pass through bolt fastening second high voltage connecting device 2, and it has contact point 3 to be located the welding of 2 left ends of second high voltage connecting device, and contact point 3 rotates with isolation sword 4 to be connected, and isolation sword 4 left end front and back both sides are all seted up and are the recess of spill structure to recess and connection electrocute 106 electric connection, the recess of seting up on the isolation sword has increased the security with the connection piece.

The left end of the breaking chamber 5 is provided with an operation and control device 7 below the second high-voltage connecting device 2, the operation and control device 7 is composed of a connecting frame 701, an operation and control handle 703, a connecting sleeve 704 and a bottom frame 705, the connecting frame 701 is fixed on the left side of the breaking chamber 5 below the second high-voltage connecting device 2 through bolts, the operation and control handle is convenient to mount and dismount, operation and control on an isolation knife are facilitated, and safety is improved.

Strip groove 706 has all been seted up to both sides around the link 701 left end, be located the inside connecting sleeve 704 that is equipped with of link 701, and slide bar 707 that connecting sleeve 704 was equipped with around is in strip groove 706 inside and with sliding connection, be located the inside control handle 703 that is equipped with sliding connection of connecting sleeve 704, control handle 703 top is connected through pivot 702 and is kept apart sword 4, the setting of connecting the copper sheathing is for the convenience of the regulation of the different angles of operating handle, be convenient for control the isolation sword.

The surfaces of the connecting sheet 105 and the isolating knife 4 are plated with anti-oxidation layers, so that the connecting sheet and the isolating knife are difficult to maintain due to oxidation phenomenon caused by long-time use.

The control handle 703 is made of insulating hard silicone rubber, so as to better produce an insulating effect.

The inside left side top of box passes through bolt fastening flash of light sensor 8 to be equipped with alarm 9 in box top left side, can inform the staff the very first time when the condition of spark takes place.

The inner wall of the box body is provided with a protective layer 10, the protective layer 10 is composed of an explosion-proof layer 1001 made of steel plates, a fire-resistant layer 1002 made of fiber plates and an insulating layer 1003 made of hard rubber, on one hand, an explosion-proof effect can be achieved, and on the other hand, fire-resistant and insulating effects can be achieved.

The utility model has the following use process: during the use, when controlling handle 703, control handle 703 and slide from top to bottom in adapter sleeve 704 is inside, thereby operate isolation sword 4, realize the operation of outage and circular telegram, if keep apart the condition that contact failure or spark appear in sword 4 and connection piece 105, flash of light sensor 8 can detect the signal and make alarm 9 report to the police, be used for informing the staff, can maintain the very first time, first high voltage connecting device 1 and second high voltage connecting device all fix through the bolt, not only be convenient for install, but also just can dismantle, staff's work efficiency has been improved.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high voltage switch convenient to disassemble, comprising: the grounding device comprises a box body, wherein a grounding chamber (6) is welded at the bottom of the left side in the box body, a bolt grounding switch (601) is arranged on the left side in the grounding chamber (6), a connecting bus (602) is connected to the right side of the grounding switch (601), a grounding wire (603) is fixed at the bottom end of the box body in the grounding chamber (6) through a bolt, and the grounding wire (603) is electrically connected with the connecting bus (602);

the grounding device is characterized in that a first high-voltage connecting device (1) is arranged at the upper end of the grounding chamber (6), the first high-voltage connecting device (1) is composed of five parts, namely a connecting seat (101), a ceramic arc-extinguishing body (102), an inner sleeve (103), a protecting sleeve (104) and a connecting sheet (105), the ceramic arc-extinguishing body (102) is arranged at the upper end of the connecting seat (101), and the inner sleeve (103) is arranged inside the ceramic arc-extinguishing body (102);

connecting seat (101) pass through the bolt fastening in ground connection room (6) upper end, pottery arc-extinguishing body (102) top is equipped with lag (104), pottery arc-extinguishing body (102) top is equipped with the tie point in lag (104) inside, tie point right side welding connection piece (105), connection piece (105) inboard is equipped with connection of a body structure and electrocutes (106), the cable conductor of connection electrocutes (106) bottom is in endotheca (103) inside and is connected to connecting bus (602).

2. A high voltage switch easy to disassemble according to claim 1, wherein: the inside upper right corner welding of box room (5) that opens circuit, room (5) that opens circuit includes generating line protective sheath (501) and circuit breaker (502), circuit breaker (502) pass through the bolt fastening and are inside on the box inner wall in room (5) that opens circuit, cable conductor and circuit breaker (502) electric connection in the generating line protective sheath (501).

3. A high voltage switch easy to disassemble according to claim 2, characterized in that: the left end of the circuit breaking chamber (5) is fixed with a second high-voltage connecting device (2) through a bolt, a contact point (3) is welded at the left end of the second high-voltage connecting device (2), the contact point (3) is rotatably connected with an isolating knife (4), grooves with concave structures are formed in the front side and the rear side of the left end of the isolating knife (4), and the grooves are electrically connected with connecting electric shocks (106).

4. A high voltage switch easy to disassemble according to claim 2, characterized in that: the left end of the breaker chamber (5) is provided with an operation and control device (7) below the second high-voltage connecting device (2), the operation and control device (7) is composed of a connecting frame (701), an operation and control handle (703), a connecting sleeve (704) and an underframe (705), and the connecting frame (701) is fixed on the left side of the breaker chamber (5) below the second high-voltage connecting device (2) through bolts.

5. A high voltage switch easy to disassemble according to claim 4, wherein: strip-shaped grooves (706) are formed in the front side and the rear side of the left end of the connecting frame (701), a connecting sleeve (704) is arranged inside the connecting frame (701), a sliding rod (707) arranged in the front of and behind the connecting sleeve (704) is arranged inside the strip-shaped grooves (706) and connected in a sliding mode, an operating handle (703) connected in a sliding mode is arranged inside the connecting sleeve (704), and the top end of the operating handle (703) is connected with the isolation knife (4) through a rotating shaft (702).

6. A high voltage switch easy to disassemble according to claim 1 or 3, characterized in that: and the surfaces of the connecting sheet (105) and the isolating knife (4) are plated with anti-oxidation layers.

7. A high voltage switch easy to disassemble according to claim 5, wherein: the control handle (703) is made of insulating hard silica gel.

8. A high voltage switch easy to disassemble according to claim 1, wherein: the top end of the left side in the box body is fixed with a flash sensor (8) through a bolt, and an alarm (9) is arranged on the left side of the top of the box body.

9. A high voltage switch easy to disassemble according to claim 1, wherein: the inner wall of the box body is provided with a protective layer (10), and the protective layer (10) is composed of an explosion-proof layer (1001) made of a steel plate, a fire-resistant layer (1002) made of a fiberboard and an insulating layer (1003) made of hard rubber.