阅读说明：本技术 一种晶闸管开关控制系统 (Thyristor switch control system ) 是由 舒观澜 戴维 于 2020-04-30 设计创作，主要内容包括：本发明涉及一种晶闸管开关控制系统,包括受控端装置和控制端装置,受控端装置包括含有多个晶闸管的主电路和用于控制各晶闸管通断的控制电路,以及用于接收无线信号的第一无线收发器,控制电路分别与第一无线收发器和各晶闸管连接,控制端装置包括上位机和第二无线收发器,第二无线收发器与上位机连接,并建立与第一无线收发器的通信,其特征在于,第一无线收发器和第二无线收发器均为WiFi模块,控制端装置还包括控制盒和控制器,控制器和第二无线收发器均安装于控制盒,控制器通过串口与上位机连接。与现有技术相比,本发明通过使用WiFi模块作为无线收发器,从而可以不局限于正对的控制,提高了控制的灵活性。(The invention relates to a thyristor switch control system, which comprises a controlled end device and a control end device, wherein the controlled end device comprises a main circuit containing a plurality of thyristors, a control circuit used for controlling the on-off of each thyristor, and a first wireless transceiver used for receiving wireless signals, the control circuit is respectively connected with the first wireless transceiver and each thyristor, the control end device comprises an upper computer and a second wireless transceiver, the second wireless transceiver is connected with the upper computer and establishes communication with the first wireless transceiver, the thyristor switch control system is characterized in that the first wireless transceiver and the second wireless transceiver are both WiFi modules, the control end device also comprises a control box and a controller, the controller and the second wireless transceiver are both arranged in the control box, and the controller is connected with the upper computer through a serial port. Compared with the prior art, the invention uses the WiFi module as the wireless transceiver, thereby being not limited to the direct control and improving the flexibility of the control.)

1. The utility model provides a thyristor on-off control system, includes controlled end device and control end device, the controlled end device is including the main circuit that contains a plurality of thyristors and the control circuit who is used for controlling each thyristor break-make to and be used for receiving wireless signal's first wireless transceiver, control circuit is connected with first wireless transceiver and each thyristor respectively, the control end device includes host computer and second wireless transceiver, second wireless transceiver and host computer connection to establish with first wireless transceiver's communication, its characterized in that, first wireless transceiver and second wireless transceiver are the wiFi module, the control end device still includes control box and controller, controller and second wireless transceiver all install in the control box, the controller passes through serial ports and host computer connection.

2. The thyristor switch control system of claim 1, wherein the serial port is an RS485 serial port.

3. The thyristor switch control system of claim 1, wherein the controller comprises a circuit board, and a single chip microcomputer, a power module and a GPIO connector which are arranged on the circuit board, the second wireless transceiver is welded on the circuit board, the single chip microcomputer is respectively connected with the output end of the second wireless transceiver, the output end of the power module and one end of the GPIO connector, the other end of the GPIO connector is connected to a serial port connection male end through a cable, and a serial port connection female end used for connecting the serial port connection male end is arranged on the upper computer.

4. The thyristor switch control system of claim 3, wherein the power module comprises a DC converter circuit, an input end of the DC converter circuit is connected to the GPIO connector, and an output end of the DC converter circuit is connected to a single chip microcomputer.

5. The thyristor switch control system of claim 1, wherein the control box has a plurality of heat dissipation holes formed in a surface thereof.

6. The thyristor switch control system of claim 1, wherein the control box is a plastic box.

7. The thyristor switch control system of claim 5, wherein the heat dissipation apertures are elongated.

8. The thyristor switch control system of claim 5, wherein the heat dissipation aperture is circular.

9. The thyristor switch control system of claim 5, wherein the heat dissipation aperture is elliptical.

10. A thyristor switch control system according to claim 1, wherein the control box is mounted at a fixed mounting point.

Technical Field

The invention relates to the field of power electronics, in particular to a thyristor switch control system.

Background

The thyristor is a high-power switch type semiconductor device, and the thyristor is a thyristor for short and is a high-power semiconductor device with a four-layer structure of three PN junctions. The circuit can be quickly switched on or off, so that the direct current is converted into the alternating current for inversion, and the alternating current with one frequency is converted into the alternating current with another frequency.

For example, chinese patent CN205693642U discloses a soft start timing switch based on a thyristor phase control mode, which includes a power supply, a synchronous circuit, a control circuit, a trigger circuit and a thyristor connected in series in a main circuit, the power supply provides a working power supply for the whole timing switch, the input end of the synchronous circuit is connected to a power grid, the output end of the synchronous circuit is connected to the trigger circuit and the control circuit, the control circuit is connected to the trigger circuit, and the trigger circuit is connected to the thyristor.

In some special application scenarios, the positions of the control end and the execution end may change due to movement of some devices, and so on, and therefore it is very troublesome to adopt the conventional priority control, and therefore it is necessary to design the wireless control. For example, chinese patent CN205693642U supports wireless control by infrared ray, but because of poor penetration of infrared ray, if there is shielding in the middle, the control cannot be realized.

Disclosure of Invention

The present invention is directed to a thyristor switch control system for overcoming the above-mentioned drawbacks of the prior art.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a thyristor on-off control system, includes controlled end device and control end device, the controlled end device is including the main circuit that contains a plurality of thyristors and the control circuit who is used for controlling each thyristor break-make to and be used for receiving wireless signal's first wireless transceiver, control circuit is connected with first wireless transceiver and each thyristor respectively, the control end device includes host computer and second wireless transceiver, second wireless transceiver and host computer connection to establish with first wireless transceiver's communication, its characterized in that, first wireless transceiver and second wireless transceiver are the wiFi module, the control end device still includes control box and controller, controller and second wireless transceiver all install in the control box, the controller passes through serial ports and host computer connection.

The serial port is an RS485 serial port.

The controller includes the circuit board and locates singlechip, power module and GPIO connector on the circuit board, second wireless transceiver weld in on the circuit board, the singlechip is connected second wireless transceiver, power module's output and the one end of GPIO connector respectively, the other end of GPIO connector is connected to the public end of serial ports connection through the cable, be equipped with on the host computer and be used for connecting the female end of serial ports connection of the public end of serial ports connection.

The power supply module comprises a DC conversion circuit, the input end of the DC conversion circuit is connected to the GPIO connector, and the output end of the DC conversion circuit is connected to the single chip microcomputer.

The surface of control box is equipped with a plurality of louvres.

The control box is a plastic box.

The heat dissipation holes are long strips.

The heat dissipation holes are circular.

The heat dissipation holes are oval.

The control box is installed at the fixed installation point.

Compared with the prior art, the invention has the following beneficial effects:

1) by using the WiFi module as the wireless transceiver, the control can be not limited to the right control, and the control flexibility is improved.

2) Through the GPIO connector, realize that the singlechip connects power and host computer, the circuit is cleaner and tidier, reduces the fault rate.

3) The radiating holes are arranged, so that the radiating capacity is improved, and the service life is prolonged.

4) The control box is installed in fixed mounting point, has improved stability.

Drawings

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

FIG. 2 is a schematic view of a control box;

FIG. 3 is a schematic view of a circuit board;

wherein: 1. controlled end device, 2, control end device, 11, main circuit, 12, control circuit, 13, first wireless transceiver, 21, host computer, 22, second wireless transceiver, 23, controller, 24, control box, 25, power line, 231, singlechip, 232, power module, 233, GPIO connector, 234, circuit board, 241, louvre.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

A thyristor switch control system, as shown in figure 1, comprises a controlled end device 1 and a control end device 2, the controlled end device 1 comprises a main circuit 11 containing a plurality of thyristors and a control circuit 12 for controlling the on-off of each thyristor, and a first wireless transceiver 13 for receiving wireless signals, the control circuit 12 is respectively connected with the first wireless transceiver 13 and each thyristor, the control end device 2 comprises an upper computer 21 and a second wireless transceiver 22, the second wireless transceiver 22 is connected with the upper computer 21 and establishes communication with the first wireless transceiver 13, the wireless communication device is characterized in that the first wireless transceiver 13 and the second wireless transceiver 22 are WiFi modules, the control end device 2 further comprises a control box 24 and a controller 23, the controller 23 and the second wireless transceiver 22 are both installed on the control box 24, and the controller 23 is connected with the upper computer 21 through a serial port. Specifically, the WiFi module may be a common WiFi module, and the encoding and decoding processes of the signal are not improved in this application, and therefore are not described in detail.

By using the WiFi module as the wireless transceiver, the control can be not limited to the right control, and the control flexibility is improved. The serial port is an RS485 serial port.

As shown in fig. 3, the controller 23 includes a circuit board 234 and a single chip microcomputer 231, a power module 232 and a GPIO connector 233 which are arranged on the circuit board 234, the second wireless transceiver 22 is welded on the circuit board 234, the single chip microcomputer 231 is respectively connected with the output end of the second wireless transceiver 22 and the power module 232 and one end of the GPIO connector 233, the other end of the GPIO connector 233 is connected to a serial port connection male end through a cable, and a serial port connection female end for connecting the serial port connection male end is arranged on the upper computer 21. The power supply module 232 includes a DC conversion circuit, an input end of which is connected to the GPIO connector 233, and an output end of which is connected to the single chip microcomputer 231. Through GPIO connector 233, realize that singlechip 231 connects power and host computer 21, the circuit is cleaner and tidier, reduces the fault rate.

As shown in fig. 2, the surface of the control box 24 is provided with a plurality of heat dissipation holes 241, the heat dissipation holes 241 are circular, and in other embodiments, the heat dissipation holes 241 may also be in a shape of a heat dissipation strip or an ellipse.

The control box 24 is preferably a plastic box, the receiving and sending of signals cannot be influenced, and the control box 24 is arranged at a fixed mounting point, so that the stability is improved.