CN217848632U

CN217848632U - Low-voltage silicon controlled switching switch based on load dynamic change

Info

Publication number: CN217848632U
Application number: CN202221132768.0U
Authority: CN
Inventors: 吴世凯; 肖魁
Original assignee: Konstanz Electric Co ltd
Current assignee: Konstanz Electric Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-11-18
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a low pressure silicon controlled rectifier fling-cut switch based on load dynamic change, including quick-witted case and switch body, the quick-witted case fixedly connected with guide pillar all around, the mounting panel has been cup jointed in the guide pillar outside, and the switch body is installed on the mounting panel, sliding connection has T type piece on the mounting panel, drive screw is installed to quick-witted incasement rotation, the drive screw both ends close soon through the screw thread and are connected with the slider, rotate on the slider and install the connecting rod, the free end and the T type piece of connecting rod rotate to be connected. The utility model discloses in, when needs are maintained the switch body, driving motor drives drive screw and rotates, drives two sliders and is close to the removal relatively in vertical direction, under the linkage of connecting rod, releases quick-witted case with the mounting panel, and this integument of switch releases quick-witted case, pulls down the screen panel, can maintain the switch body, does not receive the space restriction of quick-witted case, improves the maintenance comprehensiveness of switch body.

Description

Low-voltage silicon controlled switching switch based on load dynamic change

Technical Field

The utility model relates to a silicon controlled rectifier fling-cut switch technical field especially relates to a low pressure silicon controlled rectifier fling-cut switch based on load dynamic change.

Background

The thyristor switch is a device specially used for switching a capacitor in a reactive power compensation device, a current-limiting resistor is firstly connected into a circuit to pre-charge the capacitor, so that the voltage difference between a power supply and the capacitor is reduced, and then a main contact short-circuits the current-limiting resistor.

The prior publication numbers are: CN213816767U, in the name of "silicon controlled rectifier fling-cut switch convenient to maintain" patent, "the inside upper end of main part 1 and lower extreme are all horizontally provided with sliding plate 12, second screw 13 has been seted up respectively to the both sides of sliding plate 12 preceding terminal surface, in order to play the effect of being convenient for install the fling-cut switch", however, in this patent, the fling-cut switch is installed inside the main part, because receive the main part space restriction, inconvenient direct fling-cut switch's maintenance inside the main part, there is the problem of maintaining incompleteness, if pull down the fling-cut switch, maintain again, it is comparatively troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the technical problems mentioned in the background art, a low-voltage silicon controlled rectifier switching switch based on load dynamic change is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a low pressure silicon controlled rectifier fling-cut switch based on load dynamic change, includes quick-witted case and switch body, quick-witted case fixedly connected with guide pillar all around, the mounting panel has been cup jointed in the guide pillar outside, and the switch body is installed on the mounting panel, T type groove has been seted up on the mounting panel, and sliding connection has T type piece in the T type groove, drive screw is installed to quick-witted incasement rotation, the drive screw both ends are closed soon through the screw and are connected with the slider, and the drive screw both ends have the screw thread and revolve to different screw thread sections, rotate on the slider and install the connecting rod of cross arrangement, and the connecting rod rotates at the junction and connect, the free end and the T type piece of connecting rod rotate and are connected, machine roof portion fixed mounting has the motor of being connected with the drive screw transmission.

As a further description of the above technical solution:

the utility model discloses a switch, including mounting panel, locating column, rubber ball, screen panel, fixed connection has the screen panel that is located the switch body outside on the mounting panel, mounting panel fixedly connected with reference column all around, and the reference column free end is connected with the rubber ball, the locating hole with reference column looks adaptation is seted up all around to the screen panel, and the diameter of rubber ball is greater than the diameter of locating hole.

As a further description of the above technical solution:

the louvre has been seted up to quick-witted case both sides, logical groove has been seted up respectively to quick-witted roof portion and bottom, and the logical inslot of quick-witted roof portion is embedded to be equipped with the filter screen, and radiator fan is installed in the logical groove of machine bottom of the case portion.

As a further description of the above technical solution:

and drying boxes are arranged on the top and the bottom of the case.

As a further description of the above technical solution:

and a spring is sleeved outside the guide pillar, one end of the spring is fixedly connected with the case, and the other end of the spring is fixedly connected with the mounting plate.

As a further description of the above technical solution:

and a box door is rotatably arranged on one side of the case, and a sealing strip matched with the case is bonded on the inner side of the box door.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, when needs are maintained the switch body, driving motor drives drive screw and rotates, according to the screw thread transmission principle, drives two sliders and is close to the removal relatively in vertical direction, under the linkage of connecting rod, releases quick-witted case with the mounting panel, and this integument of switch releases quick-witted case, pulls down the screen panel, can carry out the maintenance to the switch body, does not receive the space restriction of quick-witted case, improves the maintenance comprehensiveness of switch body.

2. The utility model discloses in, the spring has been cup jointed in the guide pillar outside, the one end and quick-witted case fixed connection of spring, and the other end and the mounting panel fixed connection of spring get into or return the in-process of quick-witted case at the mounting panel, play the cushioning effect, reduce the influence that the mounting panel suddenly stopped to the switch body.

Drawings

Fig. 1 shows a first schematic cross-sectional view of a box of a low-voltage thyristor fling-cut switch based on dynamic load change according to an embodiment of the present invention;

fig. 2 is a second schematic cross-sectional view of a box of a low-voltage thyristor fling-cut switch based on dynamic load change according to an embodiment of the present invention;

fig. 3 shows a third schematic cross-sectional view of a box of a low-voltage thyristor fling-cut switch based on dynamic load change according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view illustrating a mounting plate of a low-voltage thyristor fling-cut switch based on dynamic load change according to an embodiment of the present invention;

fig. 5 shows an enlarged schematic diagram of a position a of a low-voltage thyristor switching switch based on load dynamic change according to an embodiment of the present invention;

fig. 6 shows an enlarged schematic diagram of a position B of the low-voltage thyristor switching switch based on load dynamic change according to the embodiment of the present invention.

Illustration of the drawings:

1. a chassis; 2. mounting a plate; 3. filtering with a screen; 4. a guide post; 5. drying the box; 6. a box door; 7. a sealing strip; 8. heat dissipation holes; 9. a mesh enclosure; 10. a heat radiation fan; 11. a motor; 12. a spring; 13. a drive screw; 14. a connecting rod; 15. a switch body; 16. a T-shaped groove; 17. a T-shaped block; 18. a positioning column; 19. a rubber ball; 20. a slide block.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a low-voltage silicon controlled switching switch based on load dynamic change comprises a case 1 and a switch body 15, wherein guide pillars 4 are fixedly connected to the periphery of the case 1, a mounting plate 2 is sleeved on the outer side of each guide pillar 4, the switch body 15 is mounted on the mounting plate 2, T-shaped grooves 16 are formed in the mounting plate 2, T-shaped blocks 17 are connected in the T-shaped grooves 16 in a sliding mode, a transmission screw 13 is rotatably mounted in the case 1, two ends of the transmission screw 13 are connected with sliders 20 in a rotating mode through threads, two ends of the transmission screw 13 are provided with thread sections with different thread turning directions, cross-arranged connecting rods 14 are rotatably mounted on the sliders 20 and are rotatably connected at the cross positions, free ends of the connecting rods 14 are rotatably connected with the T-shaped blocks 17, and a motor 11 in transmission connection with the transmission screws 13 is fixedly mounted at the top of the case 1;

when the switch body 15 needs to be maintained, the driving motor 11 drives the transmission screw 13 to rotate, the two sliders 20 are driven to move close to each other in the vertical direction according to the thread transmission principle, the mounting plate 2 is pushed out of the case 1 under the linkage effect of the connecting rod 14, the switch body 15 is pushed out of the case 1, the mesh cover 9 is detached, maintenance and overhaul can be conducted on the switch body 15, the switch body 15 is not limited by the space of the case 1, and the maintenance and overhaul comprehensiveness of the switch body 15 is improved.

Specifically, as shown in fig. 2 and 5, the mounting plate 2 is covered with the mesh enclosure 9 located outside the switch body 15, the mesh enclosure 9 plays a role of blocking dust for the switch body 15, the mounting plate 2 is fixedly connected with positioning columns 18 all around, the free ends of the positioning columns 18 are connected with rubber balls 19, positioning holes matched with the positioning columns 18 are formed all around the mesh enclosure 9, the diameter of each rubber ball 19 is larger than that of each positioning hole, and the rubber balls 19 have elasticity, so that the mesh enclosure 9 can be conveniently disassembled and assembled.

Specifically, as shown in fig. 1, heat dissipation holes 8 have been seted up at the both sides of case 1, and logical groove has been seted up respectively to case 1 top and bottom, and the embedded filter screen 3 that is equipped with in logical groove at case 1 top plays the effect that blocks the dust and get into case 1, and radiator fan 10 is installed in the logical groove of case 1 bottom, dispels the heat to case 1 through radiator fan 10, and the heat is passed through logical groove at case 1 top and the heat dissipation holes 8 effluvium of both sides.

Specifically, as shown in fig. 2, drying boxes 5 are installed on both the top and bottom sides of the chassis 1 to prevent the on-off switch from being damaged due to air humidity.

Specifically, as shown in fig. 1, the spring 12 is sleeved on the outer side of the guide post 4, one end of the spring 12 is fixedly connected with the case 1, and the other end of the spring 12 is fixedly connected with the mounting plate 2, so that the buffering effect is achieved in the process that the mounting plate 2 enters or returns to the case 1, and the influence of sudden stop of the mounting plate 2 on the switch body 15 is reduced.

Specifically, as shown in fig. 2, a box door 6 is rotatably installed on one side of the box 1, a sealing strip 7 matched with the box 1 is bonded on the inner side of the box door 6, and the sealing strip 7 is in interference fit with the inner surface wall of the box 1, so that the box door 6 can be opened and closed conveniently.

The working principle is as follows: during the use, firstly, when needing to maintain switch body 15, driving motor 11 drives drive screw 13 and rotates, according to the screw drive principle, drive two sliders 20 and move near relatively in vertical direction, under the linkage effect of connecting rod 14, release mounting panel 2 quick-witted case 1, switch body 15 is released quick-witted case 1, pull down screen panel 9, can maintain switch body 15 and overhaul, do not receive the space restriction of quick-witted case 1, improve the maintenance and overhaul comprehensiveness of switch body 15, secondly, in switch body 15 course of work, dispel the heat through radiator fan 10 to quick-witted case 1, the heat is dispelled through the logical groove at quick-witted case 1 top and the louvre 8 of both sides.

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 low pressure silicon controlled rectifier fling-cut switch based on load dynamic change, includes quick-witted case (1) and switch body (15), its characterized in that, quick-witted case (1) fixedly connected with guide pillar (4) all around, mounting panel (2) have been cup jointed in the guide pillar (4) outside, install on mounting panel (2) switch body (15), T type groove (16) have been seted up on mounting panel (2), and sliding connection has T type piece (17) in T type groove (16), drive screw (13) are installed to quick-witted case (1) internal rotation, drive screw (13) both ends are connected with slider (20) through the screw thread closure soon, and drive screw (13) both ends have the screw thread section of turning to different, rotate on slider (20) and install connecting rod (14) of cross arrangement, and connecting rod (14) rotate at the intersection and connect, the free end and the T type piece (17) of connecting rod (14) rotate and be connected, quick-witted case (1) top fixed mounting has motor (11) with drive connection of drive screw (13).

2. The low-voltage silicon controlled switching switch based on the dynamic load change is characterized in that a mesh enclosure (9) located outside the switch body (15) is covered on the mounting plate (2), positioning columns (18) are fixedly connected to the periphery of the mounting plate (2), free ends of the positioning columns (18) are connected with rubber balls (19), positioning holes matched with the positioning columns (18) are formed in the periphery of the mesh enclosure (9), and the diameter of each rubber ball (19) is larger than that of each positioning hole.

3. The low-voltage silicon controlled switching switch based on the dynamic load change is characterized in that heat dissipation holes (8) are formed in two sides of the case (1), through grooves are formed in the top and the bottom of the case (1) respectively, a filter screen (3) is embedded in the through groove in the top of the case (1), and a heat dissipation fan (10) is installed in the through groove in the bottom of the case (1).

4. The low-voltage silicon controlled switch based on the dynamic load change according to claim 3, wherein drying boxes (5) are installed on both the top and the bottom of the case (1).

5. The low-voltage silicon controlled switching switch based on the dynamic load change is characterized in that a spring (12) is sleeved on the outer side of the guide post (4), one end of the spring (12) is fixedly connected with the case (1), and the other end of the spring (12) is fixedly connected with the mounting plate (2).

6. The low-voltage silicon controlled switching switch based on the dynamic load change is characterized in that a box door (6) is rotatably installed on one side of the box (1), and a sealing strip (7) matched with the box (1) is bonded on the inner side of the box door (6).