Crucible rotation speed control device
A speed control and crucible technology, applied in post-processing devices, electric speed/acceleration control, crystal growth, etc., can solve problems such as low stability, unsafe use, and inability to measure temperature in real time, so as to improve stability, The effect of high product reliability
Inactive Publication Date: 2014-02-19
西安西驰电气股份有限公司
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Problems solved by technology
At present, in the single crystal growth device, the crucible rotation speed is difficult to control, it cannot measure the temperature in real time, the vibration is large when the speed is changed, it is difficult to control, the stability is low, and the use is neither safe nor reliable.
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Embodiment Construction
[0014] see figure 1 , this specific embodiment adopts the following technical scheme: it includes a rear panel 1, a main control board 2, a switching power supply module 3, a servo driver board 4, a transformer 5, a display driver board 6, a bridge rectifier circuit 7, a front panel 8, a limiter Bit switch interface 9, grating ruler interface 10, serial interface 11, output interface 12, power socket 13, dial switch interface 14, control button interface 15, programmable logic device 16, single-chip microcomputer 17, display panel interface 18, power switch 19. Control button 20, digital tube 21, dial switch 22, indicator light 23, limit switch interface 9, grating ruler interface 10, serial interface 11, output interface 12, power socket 13, main control Board 2 is provided with dial switch interface 14, control button interface 15, programmable logic device 16, single-chip microcomputer 17, display panel interface 18, and front panel 8 is provided with power switch 19, contr...
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The invention relates to a crucible control device. A limit switch interface (9), an optical grating ruler interface (10) and a serial interface (11) are connected with a main control board (2) through connectors; an output interface (12) is connected with a servo driving plate (4) through a connector; a power socket (13) is connected with a power switch (19); the main control board (2) is connected with a switch power module (3), the servo driving plate (4) and an indicator lamp (23) through connectors; a dial switch interface (14) is connected with a single-chip microcomputer (17) and a dial switch (22); a control button interface (15) is connected with the single-chip microcomputer (17) and a control button (20); the single-chip microcomputer (17) is connected with a display panel interface (18); and the display panel interface (18) is connected with a display driving board (6). According to the crucible rotation speed control device, the temperature can be measured in real time; speed closed-loop control is utilized; a motor does not vibrate in the whole control process; safety and reliability are achieved; and the stability is improved.
Description
Technical field: [0001] The invention relates to a crucible control device, in particular to a crucible rotation speed control device. Background technique: [0002] The crucible is a container or melting tank made of extremely refractory materials. When there is a solid that needs to be heated by a high fire, a crucible must be used. At present, in the single crystal growth device, the crucible rotation speed is difficult to control, it cannot measure the temperature in real time, the vibration is large when the speed is changed, it is difficult to control, the stability is low, and the use is neither safe nor reliable. Invention content: [0003] The object of the present invention is to provide a crucible rotation speed control device, which can measure temperature in real time, adopts speed closed-loop control, and the motor has no vibration during the whole control process, is safe and reliable, and improves stability. [0004] In order to solve the existing problems...
Claims
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Inventor 张宁杨文鸽张有玉
Owner 西安西驰电气股份有限公司