阅读说明：本技术 一种多路高压大功率程控开关装置 (Multi-path high-voltage high-power program-controlled switch device ) 是由 夏福源 孙科学 王世远 潘坤榕 谭芑淞 于 2020-12-30 设计创作，主要内容包括：本发明公开了一种多路高压大功率程控开关装置,包括多层开关层、与所述多层开关层连接的驱动电路板；多层开关层包括多路开关组、开关层底板和六角铜柱,多路开关组由开关组通过六角铜柱按叠层方式固定组装得到,开关组包括板对板连接器和固定在开关层底板上的步进电机,板对板连接器包括公连接器和母连接器,母连接器固定在开关层底板上,公连接器与步进电机相连能够在开关层底板上滑动；驱动电路板上连接有与步进电机连接的电机驱动模块、控制装置运行的主控芯片模块、与上位机通信连接的通信组件、以及电源组件。本发明能够解决系统意外断电时,程控开关自动复位的问题,能够解决开关装置局部经过大电流而发热所导致的电力系统不稳定问题。(The invention discloses a multi-path high-voltage high-power program-controlled switch device, which comprises a plurality of layers of switch layers and a driving circuit board connected with the plurality of layers of switch layers; the multi-layer switch layer comprises a multi-way switch group, a switch layer bottom plate and hexagonal copper columns, the multi-way switch group is obtained by fixedly assembling the switch group through the hexagonal copper columns in a laminating mode, the switch group comprises a board-to-board connector and a stepping motor fixed on the switch layer bottom plate, the board-to-board connector comprises a male connector and a female connector, the female connector is fixed on the switch layer bottom plate, and the male connector is connected with the stepping motor and can slide on the switch layer bottom plate; the drive circuit board is connected with a motor drive module connected with the stepping motor, a main control chip module for controlling the operation of the device, a communication component in communication connection with an upper computer and a power supply component. The invention can solve the problem that the program-controlled switch automatically resets when the system is in accidental power failure, and can solve the problem that the power system is unstable due to the heating of the local part of the switch device caused by large current.)

1. A multi-path high-voltage high-power program-controlled switch device is characterized by comprising a plurality of layers of switch layers and a driving circuit board connected with the plurality of layers of switch layers;

the multi-layer switch layer comprises a multi-way switch group, a switch layer bottom plate and hexagonal copper columns, wherein the multi-way switch group is obtained by fixedly assembling the switch group through the hexagonal copper columns in a laminating mode, the switch group comprises a plate-to-plate connector and a stepping motor fixed on the switch layer bottom plate, bent pin copper pins of the plate-to-plate connector are connected with reserved cable interfaces needing to be opened and closed, the plate-to-plate connector comprises a male connector and a female connector, the female connector is fixed on the switch layer bottom plate, and the male connector is connected with the stepping motor and can slide on the switch layer bottom plate;

the drive circuit board is connected with a motor drive module connected with the stepping motor, a main control chip module for controlling the operation of the multi-path high-voltage high-power program control switch device, a communication assembly in communication connection with an upper computer for transmitting signals of the upper computer to the main control chip module, and a power supply assembly for supplying power to the multi-path high-voltage high-power program control switch device.

2. The multi-path high-voltage high-power program-controlled switch device according to claim 1, wherein a sliding table is mounted on the stepping motor, and the sliding table is fixed with the male connector to drive the connector to slide.

3. The multi-path high-voltage high-power program-controlled switch device according to claim 1, wherein the bottom plate of the switch layer is provided with a groove for limiting the sliding range of the male connector.

4. The multi-path high-voltage high-power program-controlled switch device according to claim 1, wherein the main control chip module is a control module using an STM32F1 series single chip microcomputer as a core.

5. The multi-path high-voltage high-power program-controlled switch device according to claim 1, wherein the input signal of the motor driving module is the control signal output by the main control chip module, and the output signal is the control signal of the stepping motor.

6. The multi-path high-voltage high-power program-controlled switch device according to claim 5, wherein the input signals of the motor driving module comprise pulse signals, direction signals and enable signals.

7. The multi-path high-voltage high-power program-controlled switch device according to claim 5, wherein the stepping motor is a miniature two-phase stepping motor, and the motor driving module is a two-phase hybrid stepping motor driving chip matched with the stepping motor, and the model of the motor driving chip is THB 6128.

8. The multi-path high-voltage high-power program-controlled switch device according to claim 1, wherein the communication assembly comprises an RS485 interface and an RS485 to serial port module, the RS485 interface is connected with an RS485 communication cable, a control signal sent by the upper computer is transmitted to the RS485 to serial port module, and the RS485 to serial port module converts and outputs the control signal which can be read by the main control chip module.

9. The multi-path high-voltage high-power program-controlled switch device according to claim 1, wherein the power supply module comprises a +12V power interface and a power supply module, the input of the power supply module is +12V direct current with ripple input by the +12V power interface, and the output of the power supply module is +12V direct current required by the motor driving module and +5V direct current required by the main control chip module.

10. The multi-path high-voltage high-power programmable switch device according to claim 9, wherein the model of the chip of the power module is LM 2596S.

Technical Field

The invention relates to a multi-path high-voltage high-power program-controlled switch device, belonging to the technical field of electronic and electrical switches.

Background

The program-controlled switch is a device capable of automatically controlling the switch by a signal output by a program, and is widely applied to the fields of remote control, automatic control, electromechanical integration and the like. In the prior art, relays are mostly adopted for realizing the program control switch, and the method has the following defects:

when the system is in an accidental power failure, the switch is always in the normally closed position of the relay;

the application scenes of high voltage and high power are difficult to deal with;

when the contacts are connected, the contact area is too small, and the system is easy to generate heat to cause instability.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a multi-path high-voltage high-power program-controlled switch device, which can solve the problem that a program-controlled switch is automatically reset when a power system is powered off accidentally, can adapt to the high-voltage high-power condition, and can solve the problem that the power system is unstable due to the fact that the local part of the switch generates heat through large current. In order to achieve the purpose, the invention is realized by adopting the following technical scheme:

the invention provides a multi-path high-voltage high-power program-controlled switch device, which comprises a multilayer switch layer and a driving circuit board connected with the multilayer switch layer,

the multi-layer switch layer comprises a multi-way switch group, a switch layer bottom plate and hexagonal copper columns, wherein the multi-way switch group is obtained by fixedly assembling the switch group through the hexagonal copper columns in a laminating mode, the switch group comprises a plate-to-plate connector and a stepping motor fixed on the switch layer bottom plate, bent pin copper pins of the plate-to-plate connector are connected with reserved cable interfaces needing to be opened and closed, the plate-to-plate connector comprises a male connector and a female connector, the female connector is fixed on the switch layer bottom plate, and the male connector is connected with the stepping motor and can slide on the switch layer bottom plate;

the drive circuit board is connected with a motor drive module connected with the stepping motor, a main control chip module for controlling the operation of the multi-path high-voltage high-power program control switch device, a communication assembly in communication connection with an upper computer for transmitting signals of the upper computer to the main control chip module, and a power supply assembly for supplying power to the multi-path high-voltage high-power program control switch device.

Preferably, one set of switches comprises two pairs of board-to-board connectors and two stepper motors.

Preferably, the driving circuit board and the multi-layer switch layer are connected by a wire.

Furthermore, a sliding table is arranged on the stepping motor and fixed with the male connector to drive the connector to slide.

Furthermore, the bottom plate of the switch layer is provided with a groove for limiting the sliding range of the male connector.

Further, the main control chip module is a control module which takes an STM32F1 series single chip microcomputer as a core.

Further, the input signal of the motor driving module is the control signal output by the main control chip module, and the output signal is the control signal of the stepping motor.

Further, the input signals of the motor driving module comprise pulse signals, direction signals and enable signals.

Furthermore, the stepping motor adopts a miniature two-phase stepping motor, and the motor driving module adopts a two-phase hybrid stepping motor driving chip matched with the stepping motor, and the model of the motor driving chip is THB 6128.

Preferably, the lead connecting the driving circuit board and the multi-layer switch layer transmits output signals from the motor driving module on the driving circuit board to the stepping motor, wherein the output signals are output by a motor A phase and output by a motor B phase.

Further, the communication assembly comprises an RS485 interface and an RS485 serial port conversion module, the RS485 interface is connected with an RS485 communication cable, a control signal transmitted by the upper computer is transmitted to the RS485 serial port conversion module, and the RS485 serial port conversion module converts and outputs a control signal which can be read by the main control chip module.

Preferably, the RS485 communication cable is a USB-to-RS 485 communication cable with a length of up to kilometers.

Preferably, the RS485 to serial module comprises a MAX485 chip, the RS485 to serial module inputs a control signal of an upper computer Modbus protocol, outputs a single-chip microcomputer serial communication protocol UART control signal, and transmits the single-chip microcomputer serial communication protocol UART control signal to the main control chip module, so that conversion and isolation of an RS485 signal of the upper computer and a TTL signal of the single-chip microcomputer are realized.

Preferably, the communication assembly realizes remote communication between the upper computer and the single chip microcomputer.

Furthermore, the power supply assembly comprises a +12V power interface and a power supply module, wherein the input of the power supply module is +12V direct current with ripple input by the +12V power interface, and the output of the power supply module is +12V direct current required by the motor driving module and +5V direct current required by the main control chip module.

Further, the model of the chip of the power supply module is LM 2596S.

Preferably, the circuit of the power module further comprises an electrolytic capacitor and a high-power inductor which are connected with the chip.

Compared with the prior art, the multi-path high-voltage high-power program-controlled switch device provided by the embodiment of the invention has the following beneficial effects:

the multi-layer switch layer comprises a multi-way switch group, a switch layer bottom plate and hexagonal copper columns, wherein the multi-way switch group is obtained by fixedly assembling the switch group through the hexagonal copper columns in a laminating mode, and the structural stability of the multi-way switch can be guaranteed by adopting a laminated structure;

the switch group provided by the invention comprises a board-to-board connector and a stepping motor fixed on a switch layer bottom board, wherein a bent pin copper pin of the board-to-board connector is connected with a reserved cable interface needing opening and closing operation; the separation/connection of the board-to-board connectors cannot be changed due to the power failure of the power system, so that the problem of switch reset caused by the power failure of the system is avoided;

according to the communication assembly provided by the invention, the upper computer can remotely control the multi-path high-voltage high-power program-controlled switch device, so that the operation of a user is facilitated.

Drawings

Fig. 1 is a block diagram of a multi-path high-voltage high-power programmable switch device provided in embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of a switch group of a multi-path high-voltage high-power programmable switch device provided in embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of a driving circuit board of a multi-path high-voltage high-power programmable switching device provided in embodiment 1 of the present invention;

fig. 4 is a schematic communication diagram of an upper computer and a main control chip module of the multi-path high-voltage high-power program-controlled switching device provided in embodiment 1 of the present invention;

fig. 5 is a schematic diagram of a control motor driving module of a main control chip module of a multi-path high-voltage high-power programmable switching device according to embodiment 1 of the present invention;

fig. 6 is a schematic operation flow diagram of a multi-path high-voltage high-power programmable switching device according to embodiment 2 of the present invention.

In the figure: 1. a stepping motor; 2. a male connector; 3. a female connector; 4. a switch layer backplane; 5. hexagonal copper cylinder.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Example 1:

the embodiment is a specific structure of the multi-path high-voltage high-power programmable switch device provided by the invention, and is only used for more clearly illustrating the technical scheme of the invention, and the protection scope of the invention cannot be limited thereby.

As shown in fig. 1, the invention provides a multi-path high-voltage high-power program-controlled switch device, which comprises a multilayer switch layer and a driving circuit board connected with the multilayer switch layer, wherein the driving circuit board is connected with a motor driving module connected with a stepping motor 1. The multi-layer switch layer comprises a multi-way switch group, a switch layer bottom plate and hexagonal copper columns, and the multi-way switch group is obtained by fixedly assembling the switch group through the hexagonal copper columns in a laminating mode. The switch group comprises a plate-to-plate connector and a stepping motor 1 fixed on a bottom plate of the switch layer. Specifically, the multilayer switch layer is connected with the driving circuit board through a lead.

As shown in fig. 2, a switch layer includes two switch groups, and one switch group includes a stepping motor 1 and a pair of board-to-board connectors. The cable interface that needs switching operation that the bent pin copper foot of board to board connector was reserved is connected, and the board is to the board connector and is included male connector 2 and female connector 3, and female connector 3 is fixed on switch floor bottom plate, and male connector 2 links to each other with step motor 1 and can slide on switch floor bottom plate 4. The sliding table is arranged on the stepping motor 1 and fixed with the male connector 2, and the sliding table of the stepping motor 1 drags the male connector 2 fixed with the sliding table to slide when sliding so as to complete the separation and connection actions of the board to the board connector. The bottom plate of the switch layer is provided with a groove for limiting the sliding range of the male connector 2.

Specifically, the stepping motor 1 adopts a metal 4MM planetary reduction stepping motor with a metal sliding table. The board-to-board connector adopts a floating automatic centering elbow four-corner welding type single-core 60-120A board-to-board connector.

As shown in fig. 3, the driving circuit board is connected with a motor driving module connected with the stepping motor 1, a communication component in communication connection with the upper computer, a main control chip module for controlling the operation of the multi-path high-voltage high-power programmable switch device, and a power supply component for supplying power to the multi-path high-voltage high-power programmable switch device. The communication assembly comprises an RS485 interface and an RS 485-to-serial port module, and the power supply assembly comprises a +12V power supply interface and a power supply module. The power module is connected with +12V direct current with ripples through a +12V power interface, and outputs the +12V direct current required by the motor driving module and the +5V direct current required by the main control chip module.

The power supply assembly of the driving circuit board is connected with a +12V power supply, the driving circuit board starts to work, and indicator lights of the motor driving module and the main control chip module are lighted. The driving circuit board provides an instruction that the RS485 interface is connected to the upper computer and transmits the instruction to the main control chip module, the main control chip module outputs a control signal to the motor driving module after processing, and the motor driving module outputs a driving signal to the stepping motor 1 on the multi-layer switch layer.

Specifically, the power module has a chip model of LM2596S, and the circuit of the power module further includes an electrolytic capacitor and a high-power inductor connected to the chip. The motor driving module adopts a two-phase hybrid stepping motor 1 driving chip matched with the stepping motor 1, and the model is THB 6128. The main control chip module is an STM32F1 series single-chip microcomputer, and in the embodiment, the main control chip module adopts the single-chip microcomputer of which the model is STM32F103VET6 as a core control module.

As shown in fig. 4, the main control chip module is in communication connection with the upper computer through the communication component. Control signal that the host computer was assigned transmits to the RS485 interface through USB commentaries on classics RS485 communication cable, and the RS485 interface transmits the control signal that the host computer was assigned to RS485 commentaries on classics serial ports module. The RS485 serial port conversion module converts a control signal of an upper computer Modbus protocol into a UART control signal of a single-chip microcomputer serial port communication protocol so that the control signal can be read by the main control chip module. Specifically, the A + and B-signals in the RS485 communication cable are converted into TXD and RXD signals in a UART serial port. The UART serial port also comprises a GND signal connected with the ground wire.

As shown in fig. 5, the main control chip module is connected to the motor driving module, and outputs the processed control signal to the motor driving module, and the motor driving module outputs the control signal to the stepping motor 1 on the multi-layer switch layer, and the input signal of the motor driving module includes a pulse signal, a direction signal, and an enable signal. Specifically, the PWM wave output by the main control chip module timer provides a pulse Signal for the motor driving module, and two paths of level signals, namely Signal1 and Signal2, respectively control a direction Signal and an enable Signal of the motor operation.

Example 2:

the present embodiment is based on a specific application scenario of the multi-path high-voltage high-power programmable switch device provided in embodiment 1, and the following embodiments are only used to more clearly illustrate the technical solution of the present invention, and the protection scope of the present invention is not limited thereby.

Fig. 6 is a schematic diagram of an operation process of a multi-path high-voltage high-power programmable switching device. The method comprises the following specific steps:

the method comprises the following steps: device deployment and initialization. The device is manually adjusted in a short range, the switch state stored in the upper computer is not necessarily matched with the real object state of the device, namely the position of the stepping motor 1 is possibly dislocated, so that adjustment is needed, the switch data stored in the upper computer can be directly changed, and the stepping motor 1 can be controlled to reversely rotate to change the position. After the adjustment is completed, the device object and the upper computer have the same storage switch state, and the initialization is completed.

Step two: the power supply of a circuit system where the device is located is switched on, and the power supply indicator lamps of the motor driving module and the main control chip module are on, so that the power supply is normal; if the indicator light is not on, the faults of the motor driving module and the main control chip module are checked one by one.

Step three: an RS485 communication cable of an RS485 interface is connected, a serial port opening button in the upper computer is opened, and if the RS485 to serial port conversion module is successfully opened, the communication is normal; and if the RS485 serial port conversion module fails to be opened, disconnecting the communication cable to check the communication fault.

Step four: the user operates on the upper computer, issues control signals, and realizes remote high-power switch control.

It should be noted that a multi-path high-voltage high-power program-controlled switching device is a low-voltage control device, and power-off troubleshooting is not needed when internal faults are checked. Because a circuit where the multi-path high-voltage high-power program control switch device is located is a high-voltage circuit, when the fault of a circuit system where the switch device is located is checked, the circuit system needs to be powered off for checking.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.