CN216564529U

CN216564529U - Switching thyristor switch structure

Info

Publication number: CN216564529U
Application number: CN202123068694.7U
Authority: CN
Inventors: 张宁; 齐新新; 黄志毅
Original assignee: Shanghai Xixing Technology Co ltd
Current assignee: Shanghai Xixing Technology Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-05-17
Anticipated expiration: 2031-12-08

Abstract

The utility model provides a switching thyristor switch structure, comprising: the device comprises an axial flow fan, a radiating fin, a thyristor, a control circuit board assembly, a power circuit board assembly and a signal circuit board assembly; the axial flow fan is characterized in that one side of the control circuit board assembly is installed and connected with one side of the power circuit board assembly, the other side of the power circuit board assembly is installed and connected with the signal circuit board assembly, the radiating fin is installed on the other side of the control circuit board assembly, the radiating fin is installed on the side face of the radiating fin, and the axial flow fan is installed on the side face of the radiating fin. The device is internally arranged from top to bottom, is favorable for concentrated heat dissipation of components, is sealed by an electronic layer, reduces the influence of dust on the components, is favorable for prolonging the service life and improves the product quality.

Description

Switching thyristor switch structure

Technical Field

The utility model relates to the field of flinger structures, in particular to a thyristor switch switching structure.

Background

A low-voltage dynamic switching thyristor switch is an electronic power device which can carry out rapid switching on a power capacitor. The main loop of the regulator adopts an anti-parallel thyristor module and is composed of components such as photoelectric isolation and logic control, and the regulator has the functions of zero-crossing switching, over-temperature heat dissipation, over-temperature protection and the like. The low-voltage dynamic switching thyristor switch in the current market still has the problems of complex structure, large overall size, poor heat dissipation effect and the like; with the increase of market demand and the continuous development of the industry, it is particularly important to design a low-voltage dynamic switching thyristor switch with simple structure, simple installation and high heat dissipation performance.

Patent document CN110931282A discloses a condenser on-off switch convenient to change dust screen, including the switch body, one side swing joint of switch body has the movable cover, the top and the bottom of switch body all are equipped with the mounting panel, the bilateral symmetry of switch body is equipped with a plurality of thermovent, the inner wall bilateral symmetry of switch body is equipped with the installation component, the inside of installation component is equipped with the dust screen, the installation component includes the female seat of installation with switch body inner wall connection, one side that the switch body was kept away from to the female seat of installation is equipped with the mount sub-seat, the inside of the female seat of installation is equipped with the holding tank with dust screen looks adaptation, the dust screen sets up between female seat of installation and the mount sub-seat, the intermediate position of the female seat of installation and mount sub-seat all is equipped with the fluting.

Patent document CN104104214A discloses a modularized thyristor switching switch, which comprises a box body, a control panel, an air cooling module, a power module and a control module, wherein the air cooling module, the power module and the control module are sequentially arranged in the box body along the length direction, the control panel is arranged on the outer side of the box body and is parallel to the control module, and the control panel, the air cooling module, the power module and the control module are parallel to each other.

The existing flinger is complex in structure and poor in heat dissipation performance, and the purposes of simplifying the structure and improving the heat dissipation performance cannot be achieved.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a switching thyristor switch structure.

According to the utility model, the switching thyristor switch structure provided comprises: the device comprises an axial flow fan, a radiating fin, a thyristor, a control circuit board assembly, a power circuit board assembly and a signal circuit board assembly;

one side of the control circuit board assembly is installed and connected with one side of the power circuit board assembly;

the other side of the power circuit board assembly is installed and connected with the signal circuit board assembly;

the other side of the control circuit board assembly is provided with the radiating fin;

the radiating fins are arranged on the side surfaces of the radiating fins;

the axial flow fan is arranged on the side face of the radiating fin.

Preferably, the control circuit board assembly mounts a plurality of copper posts;

and a copper bar is arranged on the copper column and pressed on the copper wire.

Preferably, the control circuit board assembly is connected with the power circuit board assembly through a pin header.

Preferably, the signal circuit board assembly output end is provided with a spring type wiring terminal.

Preferably, the power circuit board assembly is mounted with a snubber capacitor.

And a thermistor is arranged on the control circuit board assembly.

Preferably, the axial flow fan, the heat sink and the thyristor are mounted in a chassis base housing;

the axial flow fan is fixedly connected with the bottom plate shell, and an air duct plate is arranged between the axial flow fan and the bottom plate shell;

the bottom plate shell is provided with a hollow part towards one side of the axial flow fan.

Preferably, the bottom plate housing is mounted at one side of the lower housing;

and the other side of the lower shell is provided with an upper shell.

Preferably, a cavity is formed between the lower housing and the upper housing;

the control circuit board assembly, the power circuit board assembly and the signal circuit board assembly are arranged in the cavity;

and a sealing structure is arranged between the lower shell and the upper shell.

Preferably, the upper housing mounts an indicator light.

Preferably, both sides of the top of the upper shell are provided with rounded corners.

Preferably, the axial flow fan is electrically connected to the control circuit board assembly.

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

1. the device adopts the circuit design of the absorption capacitor and the thermistor, so that the damage of peak current to components can be reduced;

2. the device is arranged up and down in the device, so that the concentrated heat dissipation of components is facilitated, meanwhile, the electronic layer sealing treatment is convenient, the influence of dust on the components is reduced, the service life is prolonged, and the product quality is improved;

3. the device adds the air duct plate and the radiating fins, so that the main heating components can better radiate heat, the influence of heat on the components is reduced, and the service life of the product is prolonged;

4. the circuit board inside the device adopts the vertical pin and the spring direct-insert terminal, so that the wiring is simple and clear during production and later use, and the device is convenient to maintain.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic axial side structure diagram of a switching thyristor switch structure;

FIG. 2 is a schematic diagram of the internal structure of a switching thyristor switch structure;

FIG. 3 is a schematic top view of the control circuit board assembly;

FIG. 4 is a schematic view of the air cooling flow direction;

shown in the figure:

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the utility model. All falling within the scope of the present invention.

Example 1

As shown in fig. 1, 2 and 4, a switching thyristor switch structure comprises: the device comprises an axial flow fan 1, a radiating fin 2, a thyristor 3, a power circuit board assembly 9, a control circuit board assembly 10 and a signal circuit board assembly 11; one side of the control circuit board assembly 10 is installed and connected with one side of the power circuit board assembly 9, the other side of the power circuit board assembly 9 is installed and connected with the signal circuit board assembly 11, the other side of the control circuit board assembly 10 is installed with the radiating fin 2, the radiating fin 2 is installed on the side face of the radiating fin 2, and the axial flow fan 1 is installed on the side face of the radiating fin 2. The bottom plate housing 8 is mounted on one side of the lower housing 7, and the upper housing 6 is mounted on the other side of the lower housing 7. A cavity is formed between the lower shell 7 and the upper shell 6, a control circuit board assembly 10, a power circuit board assembly 9 and a signal circuit board assembly 11 are installed in the cavity, a sealing structure is arranged between the lower shell 7 and the upper shell 6, and an indicator lamp is installed on the upper shell 6. Axial fan 1, fin 2 and thyristor 3 install in bottom plate shell 8, and axial fan 1 fixed connection bottom plate shell 8 installs the wind channel board between axial fan 1 and the bottom plate shell 8, and bottom plate shell 8 sets up the fretwork towards axial fan 1 one side.

As shown in fig. 3, the control circuit board assembly 10 is installed with a plurality of copper columns, copper bars are installed on the copper columns, and the copper bars are pressed on the copper wires. The control circuit board assembly 10 is connected to the power circuit board assembly 9 through pin headers. The output end of the signal circuit board assembly 11 is provided with a spring type wiring terminal, the power circuit board assembly 9 is provided with an absorption capacitor 4, and the control circuit board assembly 10 is provided with a thermistor.

Example 2

Example 2 is a preferred example of example 1.

As shown in fig. 1 and fig. 2, the structure of the present embodiment is mainly divided into an axial flow fan 1, a heat sink 2, a thyristor 3, an absorption capacitor 4, a copper wire 5, an upper housing 6, a lower housing 7, a bottom plate housing 8, a control circuit board assembly 10, a power circuit board assembly 9, and a signal circuit board assembly 11; the electronic layer of the cutting device is in a full-sealing structure, namely the lower shell 7 is in sealing connection with the upper shell 6, so that the influence of dust is better isolated, and the influence of the dust on the service life of components is reduced; overall structure divide into three-layer about in last, the integral erection of being convenient for, and heating element concentrates on the bottom simultaneously, more is favorable to concentrating the heat dissipation, reduces the influence of heat to upper electron layer components and parts, adopts row needle cut straightly to be connected between power circuit board subassembly 9 and the control circuit board subassembly 10 for signal stability, interference killing feature are strong, the installation is convenient.

The external output end of the signal circuit board assembly 11 adopts a known spring type wiring terminal, and when the signal circuit board assembly is used, screws do not need to be screwed, and only plugging is needed, so that the wiring speed is greatly improved; the frame of the upper shell 6 is excessive in large radian, so that injection molded parts can be conveniently molded, appearance modeling is increased, texture can be better increased by matching with later-stage silk printing, and meanwhile, the appearance size is visually reduced due to excessive arc transition; the front surface of the upper shell 6 is provided with the indicator light, so that the appearance is more textured, the switching state of a surface switching device can be clarified through the indicator light, the absorption capacitor 4 component is additionally arranged in the power circuit board component 9, a peak power supply can be absorbed, the thyristor 3 is protected and prevented from being damaged by overvoltage, the thermistor is additionally arranged on the control circuit board component 10, the temperature of the thyristor 3 can be detected in real time, and the axial flow fan 1 can be started instantly when the temperature is overheated, so that the effect of over-temperature heat dissipation is achieved; meanwhile, when the temperature is detected to exceed the heat-resistant limit of the thyristor 3, the working circuit can be cut off instantly, and the effect of over-temperature protection is achieved.

As shown in fig. 4, the thyristor 3 is directly attached to the heat sink 2, so that natural heat dissipation can be effectively performed, the axial flow fan 1 is installed on the bottom plate shell 8, the middle part of the axial flow fan is blocked by the air duct plate, air is guided to directly blow the surface of the thyristor 3, and the heat of the thyristor 3 can be effectively taken away through air cooling.

As shown in fig. 3, the form of copper bar is adopted in the three-phase connection, the flexibility of copper bar installation in the middle of having increased, simultaneously saves space, compresses overall structure size, connects the output and input copper post of power circuit board subassembly 9, adopts the structure of copper bar crimping copper line 5, and the magnetic ring subassembly that alternates that can be more nimble, and the holistic size of the ware of switching is thrown in compression that can be faster.

In conclusion, the switching device of the embodiment has the advantages of compact layout, high space utilization rate and convenience in loading, unloading and maintenance; the electronic layer components are well protected to the greater extent and the service life is prolonged; meanwhile, the heating components are concentrated, and the air cooling and natural cooling of the radiator are adopted, so that the heat dissipation of the heating components is facilitated, and the damage of heat to the components is reduced.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. A switched thyristor switch structure, comprising: the device comprises an axial flow fan (1), a radiating fin (2), a thyristor (3), a power circuit board assembly (9), a control circuit board assembly (10) and a signal circuit board assembly (11);

one side of the control circuit board assembly (10) is installed and connected with one side of the power circuit board assembly (9);

the other side of the power circuit board assembly (9) is installed and connected with the signal circuit board assembly (11);

the other side of the control circuit board assembly (10) is provided with the radiating fin (2);

the radiating fins (2) are arranged on the side surfaces of the radiating fins (2);

the axial flow fan (1) is installed on the side face of the radiating fin (2).

2. The switched thyristor switch structure of claim 1, wherein: the control circuit board assembly (10) is provided with a plurality of copper columns;

3. The switched thyristor switch structure of claim 1, wherein: the control circuit board assembly (10) is connected with the power circuit board assembly (9) through pins.

4. The switched thyristor switch structure of claim 1, wherein: the output end of the signal circuit board assembly (11) is provided with a spring type wiring terminal.

5. The switched thyristor switch structure of claim 1, wherein: the power circuit board assembly (9) is provided with an absorption capacitor (4);

and a thermistor is arranged on the control circuit board assembly (10).

6. The switched thyristor switch structure of claim 1, wherein: the axial flow fan (1), the radiating fins (2) and the thyristors (3) are arranged in a bottom plate shell (8);

the axial flow fan (1) is fixedly connected with the bottom plate shell (8), and an air duct plate is arranged between the axial flow fan (1) and the bottom plate shell (8);

the bottom plate shell (8) is provided with a hollow part towards one side of the axial flow fan (1).

7. The switched thyristor switch structure of claim 6, wherein: the bottom plate shell (8) is arranged on one side of the lower shell (7);

the other side of the lower shell (7) is provided with an upper shell (6).

8. The switched thyristor switch structure of claim 7, wherein: a cavity is formed between the lower shell (7) and the upper shell (6);

the control circuit board assembly (10), the power circuit board assembly (9) and the signal circuit board assembly (11) are installed in the cavity;

and a sealing structure is arranged between the lower shell (7) and the upper shell (6).

9. The switched thyristor switch structure of claim 7, wherein: and an indicator lamp is arranged on the upper shell (6).