Networked controller of high-frequency inverter power supply and control method thereof

A high-frequency inverter and controller technology, which is applied to a high-frequency inverter power supply control device and its control field, can solve the problem that the high-frequency induction heating inverter power supply cannot meet industrial production, cannot realize networked remote monitoring, and workers operate labor. Intensity and other problems, to achieve the effect of improving product competitiveness, reducing controller costs, and reducing enterprise operating costs

Inactive Publication Date: 2011-03-30
SUZHOU VOCATIONAL UNIV
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  • Claims
  • Application Information

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Problems solved by technology

At present, the high-frequency induction heating inverter power supply in the market generally adopts independent distributed control, most of which cannot realize networked remote monitoring, and has disadvantages such as low degree of automation, high labor intensity fo

Method used

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  • Networked controller of high-frequency inverter power supply and control method thereof
  • Networked controller of high-frequency inverter power supply and control method thereof
  • Networked controller of high-frequency inverter power supply and control method thereof

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Embodiment Construction

[0012] Such as figure 1 As shown, the high-frequency inverter power network controller network can form a high-frequency induction heating inverter power network control system. The system includes a host computer, an RS-485 converter connected to the communication interface of the host computer, an RS-485 bus connected to the RS-485 converter, and at least one of the high-frequency inverters connected to the RS-485 bus. The variable power supply network controller is connected to control the corresponding high-frequency inverter power supply. Under normal circumstances, the system can connect 32 controllers at the same time, monitor 32 power supplies, and can also use repeaters to amplify the signal for expansion. Each high-frequency inverter power network controller collects the parameters and status of the power supply in real time and feeds them back to the host computer. The host computer processes and displays the parameters, and sends instructions or information to eac...

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Abstract

The invention relates to a networked controller of a high-frequency inverter power supply and a control method thereof. The controller comprises a control board, a main circuit, a functional circuit and a network interface, wherein, the control board is based on a microprogrammed control unit (MCU) in charge of display and communication functions and a digital signal controller (DSC) in charge of inversion and protection control functions of the high-frequency inverter power supply; a serial peripheral interface (SPI) is adopted between the MCU and the DSC for carrying out high-speed synchronous data information transmission; a network interface is an RS-485 interface; the controller realizes remote control by RS-485 bus networking and can form a power supply network with other power supplies; a remote upper computer can carry out relevant operation on a command sent by the controller in real time and avoid local control; and a controller protocol for realizing network control realizes networked control of the high-frequency induction heating inverter power supply by an Modbus remote terminal unit (RTU) communication protocol which is widely applied.

Description

technical field [0001] The invention relates to a high-frequency inverter power supply control device and a control method thereof, in particular to a controller and a control method of a high-frequency induction heating inverter power supply based on RS-485 networking control. Background technique [0002] With the development of power electronics technology, high-frequency inverter power supply has been widely used in the industrial field, especially high-frequency induction heating power supply can be used in metal smelting, diathermy, heat treatment and welding processes, has become a metallurgy, national defense, It is an indispensable part of machinery processing and other departments, as well as casting and forging, shipbuilding, aircraft and automobile manufacturing industries. At present, the high-frequency induction heating inverter power supply in the market generally adopts independent decentralized control, most of which cannot realize networked remote monitorin...

Claims

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Application Information

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IPC IPC(8): H02M7/53H02J13/00
Inventor 汪义旺曹丰文
Owner SUZHOU VOCATIONAL UNIV
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