Single-chip-microcomputer-based thermal treatment workpiece device
A single-chip microcomputer, single-chip microcomputer control technology, applied in computer control, instruments, simulators, etc., can solve the problems of equipment obsolete, heating furnace temperature control and heating time not meeting the process requirements, etc., and achieve simple structure, installation and maintenance Convenience and high reliability
Inactive Publication Date: 2016-05-18
黄磊
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Problems solved by technology
[0002] The equipment of the old-fashioned box-type heating furnace is outdated, and the heating process is mainly manual operation, which must be monitored throughout the heating process, and because of human factors, the control of the internal temperature of the heating furnace and the heating time often fail to meet the process requirements
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[0010] The present invention will be further described in detail below with reference to the embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0011] A heat treatment workpiece device based on a single-chip microcomputer includes an upper computer and a plurality of lower computers, the upper computer is connected to a bus converter, and the bus converter is connected to a plurality of lower computers through a data bus, and the lower computers are controlled by sensors. , a single-chip microcomputer and a data acquisition chip, the head end and the end of the data bus are also provided with terminal matching resistors, and the data bus is an RS485 bus.
[0012] The control object of this system is a medium-temperature box-type resistance furnace (900°C). The on-off ratio of the thyristor power control circuit is controlled by a single-chip computer, and the voltage output on the resistance furnace is adjusted to cont...
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The invention relates to a single-chip-microcomputer-based thermal treatment workpiece device comprising a single-chip microcomputer and a silicon controlled rectifier circuit in control connection with the single-chip microcomputer. A silicon controlled rectifier power device in the silicon controlled rectifier circuit is connected in series with a heating wire. A sensor is installed in a box type heating furnace; the output terminal of the sensor is connected with a transmitter; and the transmitter is in signal connection with the single-chip microcomputer. Besides, the device also includes a zero-crossing detection circuit and a program memory, wherein the zero-crossing detection circuit and the program memory are connected with the single-chip microcomputer; and the zero-crossing detection circuit detects the current of the silicon controlled rectifier power device. According to the invention, the provided device has advantages of simple structure and high reliability. The functional connection between components of all units is tight; and the installation and maintenance become convenient.
Description
technical field [0001] The invention relates to the field of electronic circuits, in particular to a device for heat-treating workpieces based on a single-chip microcomputer. Background technique [0002] The equipment of the old-fashioned box-type heating furnace is outdated, and the heating process is mainly manual operation, which must be monitored throughout the heating process, and because of human and other factors, the control of the internal temperature of the heating furnace and the heating time often fail to meet the process requirements. Contents of the invention [0003] In order to overcome the technical defects of the existing old-fashioned box-type heating furnace, the invention discloses a device for heat-treating workpieces based on a single-chip microcomputer. [0004] The heat treatment workpiece device based on the single-chip microcomputer of the present invention includes a single-chip microcomputer and a thyristor circuit connected to the control of ...
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IPC IPC(8): G05B19/042
Inventor 黄磊
Owner 黄磊