CN215007983U

CN215007983U - Dual-power transfer switch with leakage protection structure

Info

Publication number: CN215007983U
Application number: CN202121331011.XU
Authority: CN
Inventors: 刘志泽
Original assignee: Zhejiang Jotta Electric Co ltd
Current assignee: Zhejiang Jotta Electric Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-03
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a dual supply change over switch with earth leakage protection structure relates to dual supply change over switch field, including the switch bottom plate, be equipped with dual supply change over switch body on the switch bottom plate, one side of dual supply change over switch body is equipped with earth-leakage protector, and one side of earth-leakage protector is equipped with interconnecting link, and interconnecting link's one end is connected on dual supply change over switch body. The utility model discloses in, after installing dual supply change over switch body, earth-leakage protector need be installed, aim at T type with two protruding type fixture blocks on the earth-leakage protector and block the clearance between frame and the L type and block the frame, then directly extrude movable baffle or press down the regulating block and all can, thereby can install earth-leakage protector on the switch bottom plate fast, and be connected with dual supply change over switch body through interconnecting link, when dual supply change over switch body takes place the electric leakage, can carry out the disconnection of circuit under earth-leakage protector's effect.

Description

Dual-power transfer switch with leakage protection structure

Technical Field

The utility model relates to a dual supply change over switch technical field especially relates to a dual supply change over switch with earth leakage protection structure.

Background

The dual-power automatic change-over switch is characterized in that the dual-power automatic change-over switch is automatically connected to a standby power supply through the dual-power change-over switch when the power is suddenly cut off, so that the operation of people is not stopped and can still continue to operate.

Traditional dual power switch does not have supporting certain protective apparatus when the installation, when using for a long time, takes place the electric leakage problem easily, and the electric leakage problem can not in time discover, causes conflagration or great potential safety hazard easily, consequently needs a dual power change over switch who has the earth leakage protection structure to satisfy people's demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dual power transfer switch with earth leakage protection structure to solve traditional dual power switch when the installation, do not have supporting certain protective apparatus, when using for a long time, take place the electric leakage problem easily, the electric leakage problem can not in time discover, causes the problem of conflagration or great potential safety hazard easily.

In order to achieve the above object, the utility model provides a following technical scheme: a double-power-supply change-over switch with a leakage protection structure comprises a switch base plate, wherein a double-power-supply change-over switch body is arranged on the switch base plate, a leakage protector is arranged on one side of the double-power-supply change-over switch body, a connecting circuit is arranged on one side of the leakage protector, one end of the connecting circuit is connected onto the double-power-supply change-over switch body, a T-shaped blocking frame is fixedly arranged on the top side of the switch base plate, L-shaped blocking frames fixedly arranged on the switch base plate are arranged on two sides of each T-shaped blocking frame, a tail blocking plate is fixedly arranged on one side of the switch base plate, two convex clamping blocks are fixedly arranged on the bottom side of the leakage protector, the two convex clamping blocks and the T-shaped blocking frames are matched with the two L-shaped blocking frames, a moving groove is formed in the top side of the switch base plate, a moving baffle is movably arranged in the moving groove, the top side of the moving baffle extends out of the moving groove and is matched with the two convex clamping blocks, and a leakage alarm is fixedly arranged on the top side of the switch bottom plate.

Preferably, the limiting grooves are formed in the inner walls of the two sides of the moving groove, the limiting blocks are fixedly mounted on the two sides of the moving baffle, and one sides, far away from each other, of the two limiting blocks are slidably mounted in the two limiting grooves respectively.

Preferably, an adjusting hole is formed in the inner wall of one side of the moving groove, an adjusting block is fixedly mounted on one side of the moving baffle, and one side of the adjusting block movably penetrates through the adjusting hole.

Preferably, the bottom end of the pressing spring is fixedly mounted on the inner wall of the bottom side of the moving groove, and the top end of the pressing spring is fixedly mounted on the bottom side of the moving baffle.

Preferably, one side of the movable baffle is provided with an arc-shaped surface, and the arc-shaped surface is matched with the convex clamping block.

Preferably, two connecting blocks are fixedly mounted on two sides of the switch bottom plate, and connecting holes are formed in the four connecting blocks.

Preferably, be equipped with switch connecting seat and control switch on the dual power transfer switch body, the switch connecting seat is equipped with a plurality ofly.

The utility model has the advantages that:

the utility model discloses in, utilize earth-leakage protector's design, after installing dual supply change-over switch body, need install earth-leakage protector, aim at the clearance between T type blocking frame and the L type blocking frame with two protruding type fixture blocks on the earth-leakage protector, then directly extrude the movable baffle or press the regulating block can all, thereby can install earth-leakage protector on the switch bottom plate fast, and be connected with dual supply change-over switch body through interconnecting link, when dual supply change-over switch body takes place the electric leakage, can carry out the disconnection of circuit under earth-leakage protector's effect;

the utility model discloses in, utilize the design of leakage alarm, be equipped with the leakage alarm on the switch bottom plate, when being surpassed the warning setting value by the monitoring device parameter in the protection circuit, the leakage alarm can take place to report to the police and control signal to eliminate the electric fire hidden danger that residual current arouses, through the double-deck earth leakage protection who sets up, can protect the dual supply change over switch body.

Drawings

Fig. 1 is a schematic structural diagram of a dual power transfer switch with a leakage protection structure according to the present invention;

fig. 2 is a schematic structural diagram of an explosion of a dual power transfer switch with a leakage protection structure according to the present invention;

fig. 3 is a schematic structural diagram of a cross-sectional view of a dual power transfer switch with a leakage protection structure according to the present invention;

fig. 4 is the utility model provides a structural schematic diagram of two power transfer switch part section with earth leakage protection structure.

In the figure: 1. a switch chassis; 2. a dual power transfer switch body; 3. a switch connecting seat; 4. a control switch; 5. a leakage protector; 6. connecting a line; 7. a T-shaped blocking frame; 8. an L-shaped blocking frame; 9. a tail blocking plate; 10. a convex fixture block; 11. a moving groove; 12. moving the baffle; 13. a compression spring; 14. an adjustment hole; 15. an adjusting block; 16. an arc-shaped surface; 17. a limiting groove; 18. a limiting block; 19. connecting blocks; 20. connecting holes; 21. a leakage alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a dual power transfer switch with a leakage protection structure comprises a switch base plate 1, a dual power transfer switch body 2 is arranged on the switch base plate 1, a leakage protector 5 is arranged on one side of the dual power transfer switch body 2, a connecting circuit 6 is arranged on one side of the leakage protector 5, one end of the connecting circuit 6 is connected to the dual power transfer switch body 2, a T-shaped blocking frame 7 is fixedly arranged on the top side of the switch base plate 1, L-shaped blocking frames 8 fixedly arranged on the switch base plate 1 are arranged on both sides of the T-shaped blocking frame 7, a tail blocking plate 9 is fixedly arranged on one side of the switch base plate 1, two convex blocks 10 are fixedly arranged on the bottom side of the leakage protector 5, the two convex blocks 10 are matched with the T-shaped blocking frames 7 and the two L-shaped blocking frames 8, a moving groove 11 is arranged on the top side of the switch base plate 1, and a moving baffle 12 is movably arranged in the moving groove 11, the top side of the movable baffle plate 12 extends out of the movable groove 11 and is matched with the two convex clamping blocks 10, and the top side of the switch base plate 1 is fixedly provided with an electric leakage alarm 21.

The utility model discloses in, all seted up spacing groove 17 on the both sides inner wall of shifting chute 11, the equal fixed mounting in both sides of movable baffle 12 has stopper 18, and one side that two stoppers 18 kept away from each other is slidable mounting respectively in two spacing grooves 17, and stopper 18 and the spacing groove 17 of setting can carry on spacingly to the removal of movable baffle 12.

The utility model discloses in, seted up regulation hole 14 on one side inner wall of shifting chute 11, one side fixed mounting of movable baffle 12 has regulating block 15, and one side activity of regulating block 15 runs through regulation hole 14, is convenient for through removing regulating block 15, can drive movable baffle 12 and remove.

The utility model discloses in, fixed mounting has the bottom of extrusion spring 13 on the bottom side inner wall of shifting chute 11, and the top fixed mounting of extrusion spring 13 is on the bottom side of movable baffle 12, and movable baffle 12 removes the back, can reset under the spring action of extrusion spring 13.

The utility model discloses in, one side of movable baffle 12 is equipped with arcwall face 16, arcwall face 16 and protruding type fixture block 10 looks adaptation, and the setting of arcwall face 16 is receiving the extrusion back, and movable baffle 12 will move down.

The utility model discloses in, the equal fixed mounting in both sides of switch bottom plate 1 has two connecting blocks 19, has all seted up connecting hole 20 on four connecting blocks 19, is convenient for install switch bottom plate 1.

The utility model discloses in, be equipped with switch connecting seat 3 and control switch 4 on the dual supply change over switch body 2, switch connecting seat 3 is equipped with a plurality ofly, is convenient for carry out the connection of circuit.

This practical theory of operation:

the utility model discloses in, after installation dual supply change over switch body 2, need install earth-leakage protector 5, earth-leakage protector 5's model: DZL 47-63C 40, two convex blocks 10 on the earth leakage protector 5 are aligned with the gap between the T-shaped blocking frame 7 and the L-shaped blocking frame 8, then the movable baffle 12 is directly extruded or the adjusting block 15 is pressed, because one side of the movable baffle 12 is provided with the arc surface 16, after the extrusion is carried out, the movable baffle 12 moves downwards and compresses the extrusion spring 13, the movable baffle 12 moves to drive the limiting block 18 to slide in the limiting groove 17, the arranged limiting block 18 and the limiting groove 17 can limit the movement of the movable baffle 12, when one side of the two convex blocks 10 is contacted with one side of the tail blocking plate 9, the other side of the convex blocks 10 just misplaces with the movable baffle 12, under the elastic action of the extrusion spring 13, the movable baffle 12 can be driven to move upwards and block one side of the two convex blocks 10, thereby the earth leakage protector 5 can be rapidly installed on the bottom plate 1 of the earth leakage switch, and be connected with dual supply change over switch body 2 through interconnecting link 6, when dual supply change over switch body 2 took place the electric leakage, can carry out the disconnection of circuit under the effect of earth leakage protector 5, be equipped with electric leakage alarm 21 on switch bottom plate 1, electric leakage alarm 21's model is: the ARCM300-J8, when the monitoring device parameter exceeded the alarm set value in the circuit protected, the leakage alarm 21 can take place to report to the police and control signal to eliminate the electric fire hidden danger that the residual current arouses, through the double-deck earth leakage protection that sets up, can protect dual power transfer switch body 2, the connecting block 19 and the connecting hole 20 that set up are convenient for install switch bottom plate 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a dual supply change over switch with earth leakage protection structure, includes switch bottom plate (1), be equipped with dual supply change over switch body (2) on switch bottom plate (1), its characterized in that: a leakage protector (5) is arranged on one side of the dual-power transfer switch body (2), a connecting circuit (6) is arranged on one side of the leakage protector (5), one end of the connecting circuit (6) is connected to the dual-power transfer switch body (2), a T-shaped blocking frame (7) is fixedly mounted on the top side of the switch bottom plate (1), L-shaped blocking frames (8) fixedly mounted on the switch bottom plate (1) are arranged on two sides of the T-shaped blocking frame (7), a tail blocking plate (9) is fixedly mounted on one side of the switch bottom plate (1), two convex clamping blocks (10) are fixedly mounted on the bottom side of the leakage protector (5), the two convex clamping blocks (10) and the T-shaped blocking frame (7) are matched with the two L-shaped blocking frames (8), a moving groove (11) is formed in the top side of the switch bottom plate (1), and a moving baffle (12) is movably mounted in the moving groove (11), the top side of the movable baffle (12) extends out of the movable groove (11) and is matched with the two convex clamping blocks (10), and the top side of the switch bottom plate (1) is fixedly provided with an electric leakage alarm (21).

2. The dual power transfer switch with the leakage protection structure of claim 1, wherein: limiting grooves (17) are formed in the inner walls of the two sides of the moving groove (11), limiting blocks (18) are fixedly mounted on the two sides of the moving baffle (12), and one sides, far away from each other, of the two limiting blocks (18) are slidably mounted in the two limiting grooves (17) respectively.

3. The dual power transfer switch with the leakage protection structure of claim 1, wherein: an adjusting hole (14) is formed in the inner wall of one side of the moving groove (11), an adjusting block (15) is fixedly mounted on one side of the moving baffle (12), and the adjusting hole (14) is movably penetrated through one side of the adjusting block (15).

4. The dual power transfer switch with the leakage protection structure of claim 1, wherein: the bottom end of an extrusion spring (13) is fixedly arranged on the inner wall of the bottom side of the movable groove (11), and the top end of the extrusion spring (13) is fixedly arranged on the bottom side of the movable baffle plate (12).

5. The dual power transfer switch with the leakage protection structure of claim 1, wherein: one side of the movable baffle (12) is provided with an arc-shaped surface (16), and the arc-shaped surface (16) is matched with the convex fixture block (10).

6. The dual power transfer switch with the leakage protection structure of claim 1, wherein: two connecting blocks (19) are fixedly mounted on two sides of the switch bottom plate (1), and connecting holes (20) are formed in the four connecting blocks (19).

7. The dual power transfer switch with the leakage protection structure of claim 1, wherein: the dual-power transfer switch is characterized in that a switch connecting seat (3) and a control switch (4) are arranged on the dual-power transfer switch body (2), and the switch connecting seat (3) is provided with a plurality of switches.