CN212463184U

CN212463184U - Device for realizing reliable turn-off of silicon controlled rectifier

Info

Publication number: CN212463184U
Application number: CN202020868941.8U
Authority: CN
Inventors: 俞文华
Original assignee: Suzhou Huazhong Electrical Appliances Co ltd
Current assignee: Suzhou Huazhong Electrical Appliances Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-02-02
Anticipated expiration: 2030-05-22

Abstract

The utility model belongs to the technical field of the electric wire switch, especially, be a device for realizing reliable turn-offs of silicon controlled rectifier, including the host computer shell, the both ends fixed surface of host computer shell is connected with the fixed block, and the inside of fixed block is equipped with the fixed screw, and run through on the both sides outer wall of host computer shell is connected with the intubate, fixedly connected with guiding tube on the inner wall of intubate, the one end fixedly connected with connecting pipe of guiding tube, fixedly connected with ripple piece on the inner wall of connecting pipe, the one end fixedly connected with extension plate of connecting pipe, the bottom fixedly connected with metal block of extension plate, metal block one side is seted. The utility model discloses a set up isolated board, insert into the slot piece with isolated board to reached the effect of turn-offs, when needs intercommunication, extracted isolated board, driven the rotation that rotates the access plate through the effect of spring tension, thereby two sets of rotations access plate contact has reached the effect of switch-on.

Description

Device for realizing reliable turn-off of silicon controlled rectifier

Technical Field

The utility model relates to an electric wire switch technical field specifically is a device that realizes the reliable turn-off of silicon controlled rectifier.

Background

The thyristor is called SCR for short, and is a high-power electrical component, also called thyristor. It has the advantages of small volume, high efficiency, long service life, etc. In an automatic control system, the device can be used as a high-power driving device to realize the control of high-power equipment by using a low-power control. The controllable silicon is widely applied to an alternating current and direct current motor speed regulating system, a power regulating system and a follow-up system, and the controllable silicon is divided into a unidirectional controllable silicon and a bidirectional controllable silicon. The TRIAC is also called a TRIAC, abbreviated to TRIAC. The bidirectional thyristor is structurally equivalent to two unidirectional thyristors which are reversely connected, and the bidirectional thyristor has a bidirectional conduction function. The on-off state of which is determined by the gate G. The positive (or negative) pulse is applied to the control electrode G to turn it on in the positive (or reverse) direction. The device has the advantages of simple control circuit and no reverse voltage resistance problem, and is particularly suitable for being used as an alternating-current contactless switch.

There are the following problems:

1. the existing turn-off device can not singly turn off the line of a certain electric appliance in a connecting line, generally one knife switch controls all the electric appliances, and the use is inconvenient.

2. When the existing turn-off device is used for connecting the electric wire, the electric wire is easy to loosen or fall off after a long time, so that the existing turn-off device cannot be normally used.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a realize the device that the silicon controlled rectifier reliably turn-offs has solved the problem of all circuits of a master gate control.

In order to achieve the above object, the utility model provides a following technical scheme: a device for realizing reliable turn-off of silicon controlled rectifier comprises a main case, wherein fixed blocks are fixedly connected to the surfaces of the two ends of the main case, fixed screws are arranged inside the fixed blocks, insertion tubes are connected to the outer walls of the two sides of the main case in a penetrating manner, guide tubes are fixedly connected to the inner walls of the insertion tubes, one ends of the guide tubes are fixedly connected with connecting tubes, corrugated blocks are fixedly connected to the inner walls of the connecting tubes, an extension plate is fixedly connected to one ends of the connecting tubes, a metal block is fixedly connected to the bottom end of the extension plate, a groove is formed in the surface of one side of the metal block, a rotating shaft is rotatably connected to the inner wall of the groove of the metal block, a rotating connection plate is fixedly connected to the surface of the rotating shaft, a spring is fixedly connected to the surface of the top end of the rotating connection plate, an insertion groove block, an isolation plate is inserted in the through hole of the main case, and a handle is fixedly connected to the top end of the isolation plate.

As a preferred technical scheme of the utility model, the quantity of fixed block and fixed screw is four groups, and every two sets of fixed blocks and fixed screw are the axisymmetric installation with the horizontal center line of mainframe shell.

As an optimal technical scheme of the utility model, the quantity of intubate, guiding tube and connecting pipe is two sets of, and just two sets of intubate, guiding tube and connecting pipe are the axisymmetric installation with the horizontal center line of mainframe shell.

As a preferred technical scheme of the utility model, the one end of spring with rotate switch-on board fixed surface and be connected, and the other end of spring and the bottom fixed surface of extension plate are connected.

As an optimal technical scheme of the utility model, the quantity of metal block, pivot and rotation through-plate is two sets of, and just two sets of metal blocks, pivot and rotation through-plate are the axisymmetric installation with the horizontal center line of mainframe shell.

Compared with the prior art, the utility model provides a realize device that the silicon controlled rectifier reliably turn-offs possesses following beneficial effect:

1. this device of reliable turn-offs of silicon controlled rectifier, through setting up isolated board, when needs are turn-offs the circuit, can press down through holding the handle, insert into through isolated board between two sets of rotation switch-on boards, the effect through the pivot has driven the rotation that rotates the switch-on board, insert into the slot piece with isolated board, thereby the effect of turn-off has been reached, when needs intercommunication, extract isolated board, the effect through the spring tension has driven the rotation that rotates the switch-on board, thereby two sets of rotations switch-on board contact has reached the effect of switch-on.

2. This device of reliable turn-off of silicon controlled rectifier through setting up the ripple piece, when a circuit of needs independent control, can insert into the intubate with both ends electric wire, during the electric wire enters into the connecting pipe through the guiding tube, the crooked circuit of rethread connecting pipe produced great friction with electric wire and inner wall, prevented that the electric wire from droing to fixed effect has been reached.

Drawings

FIG. 1 is an external view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a main chassis; 2. a fixed block; 3. fixing screws; 4. inserting a tube; 5. a guide tube; 6. a connecting pipe; 7. a corrugated block; 8. an extension plate; 9. a metal block; 10. a rotating shaft; 11. rotating the connection plate; 12. a spring; 13. a slot block; 14. an insulating panel; 15. a handle.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in this embodiment: a device for realizing reliable turn-off of silicon controlled rectifier comprises a main case 1, fixed blocks 2 are fixedly connected to the surfaces of two ends of the main case 1, fixing screws 3 are arranged inside the fixed blocks 2, insertion tubes 4 are penetratingly connected to the outer walls of two sides of the main case 1, guide tubes 5 are fixedly connected to the inner walls of the insertion tubes 4, one ends of the guide tubes 5 are fixedly connected with connecting tubes 6, corrugated blocks 7 are fixedly connected to the inner walls of the connecting tubes 6, an extension plate 8 is fixedly connected to one end of each connecting tube 6, a metal block 9 is fixedly connected to the bottom end of each extension plate 8, a groove is formed in one side surface of each metal block 9, a rotating shaft 10 is rotatably connected to the inner wall of the groove of each metal block 9, a rotating connection plate 11 is fixedly connected to the surface of each rotating shaft 10, a spring 12 is fixedly connected to the surface of the top end of the rotating connection plate 11, an isolation plate 14 is inserted into the through hole of the main chassis 1, and a handle 15 is fixedly connected to the top end of the isolation plate 14.

In the embodiment, the number of the fixed blocks 2 and the fixed screws 3 is four, and each two groups of the fixed blocks 2 and the fixed screws 3 are arranged in axial symmetry with the horizontal central line of the main case 1, the number of the insertion tubes 4, the guide tubes 5 and the connecting tubes 6 is two, two groups of insertion tubes 4, guide tubes 5 and connecting tubes 6 are axially symmetrically arranged on the horizontal center line of the main case 1, grooves are arranged on the surface of the slot block 13, the groove of the slot block 13 is matched with the isolation plate 14, one end of the spring 12 is fixedly connected with the surface of the rotary communicating plate 11, the other end of the spring 12 is fixedly connected with the bottom end surface of the extension plate 8, the number of the metal blocks 9, the rotating shaft 10 and the rotating connecting plate 11 is two, and two groups of metal blocks 9, a rotating shaft 10 and a rotating through plate 11 are arranged in axial symmetry with the horizontal central line of the main case 1, the isolation plate 14 is cuboid, and the isolation plate 14 is made of rubber material.

The utility model discloses a theory of operation and use flow: in the utility model, the main case 1 is fixed on the wall body by the fixing screw 3, then the wires at the two ends can be inserted into the insertion tube 4, the wires enter the connecting tube 6 through the guiding tube 5, and the wires and the inner wall generate larger friction through the bending circuit of the connecting tube 6 to prevent the wires from falling off, thereby achieving the fixing effect, when the circuit needs to be cut off, the circuit can be pressed downwards by holding the grip 15, the isolation plate 14 is inserted between the two groups of rotating through plates 11, the rotating through plates 11 are driven to rotate by the action of the rotating shaft 10, the isolation plate 14 is inserted into the slot block 13, therefore, the effect of switching off is achieved, when communication is needed, the isolation plate 14 is pulled out, the rotation of the rotary through plate 11 is driven by the tensile force of the spring 12, and the two groups of rotary through plates 11 are contacted, so that the effect of switching on is achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. The utility model provides a realize reliable device that cuts off of silicon controlled rectifier, includes main chassis (1), its characterized in that: the portable computer case is characterized in that fixed blocks (2) are fixedly connected to the surfaces of the two ends of the main case (1), fixed screws (3) are arranged inside the fixed blocks (2), insertion pipes (4) are connected to the outer walls of the two sides of the main case (1) in a penetrating manner, guide pipes (5) are fixedly connected to the inner walls of the insertion pipes (4), connecting pipes (6) are fixedly connected to one ends of the guide pipes (5), corrugated blocks (7) are fixedly connected to the inner walls of the connecting pipes (6), extension plates (8) are fixedly connected to one ends of the connecting pipes (6), metal blocks (9) are fixedly connected to the bottom ends of the extension plates (8), grooves are formed in the surfaces of one sides of the metal blocks (9), rotating shafts (10) are rotatably connected to the inner walls of the grooves of the metal blocks (9), rotating connection plates (11) are rotatably connected to the fixed surfaces of the rotating shafts (10), springs (12) are fixedly connected, fixedly connected with slot piece (13) on the bottom inner wall of host computer shell (1), the through-hole has been seted up on the top of host computer shell (1), it has isolated board (14) to peg graft in the through-hole of host computer shell (1), the top fixedly connected with handle (15) of isolated board (14).

2. The device for realizing the reliable turn-off of the silicon controlled rectifier according to claim 1, characterized in that: the number of the fixing blocks (2) and the number of the fixing screws (3) are four, and every two groups of the fixing blocks (2) and the fixing screws (3) are installed in an axisymmetric mode by using the horizontal center line of the main case (1).

3. The device for realizing the reliable turn-off of the silicon controlled rectifier according to claim 1, characterized in that: the number of the insertion tubes (4), the guide tubes (5) and the connecting tubes (6) is two, and the two groups of insertion tubes (4), the guide tubes (5) and the connecting tubes (6) are installed in an axisymmetric mode by using the horizontal center line of the main case (1).

4. The device for realizing the reliable turn-off of the silicon controlled rectifier according to claim 1, characterized in that: the surface of the slot block (13) is provided with a groove, and the groove of the slot block (13) is matched with the isolation plate (14).

5. The device for realizing the reliable turn-off of the silicon controlled rectifier according to claim 1, characterized in that: one end of the spring (12) is fixedly connected with the surface of the rotary through plate (11), and the other end of the spring (12) is fixedly connected with the surface of the bottom end of the extension plate (8).

6. The device for realizing the reliable turn-off of the silicon controlled rectifier according to claim 1, characterized in that: the number of the metal blocks (9), the rotating shaft (10) and the rotating through plates (11) is two, and the two groups of metal blocks (9), the rotating shaft (10) and the rotating through plates (11) are installed in an axisymmetric mode by using the horizontal center line of the main case (1).

7. The device for realizing the reliable turn-off of the silicon controlled rectifier according to claim 1, characterized in that: the shape of insulating board (14) is the cuboid shape, and insulating board (14)'s material is made for rubber materials.