Weighing device for sapphire single crystal furnace
A sapphire single crystal furnace and weighing device technology, which is applied in the directions of single crystal growth, single crystal growth, crystal growth, etc., can solve the problems of unreachable, unstable signal, complex structure, etc., achieve simple and compact structure, improve measurement Good accuracy and adaptability
Inactive Publication Date: 2014-03-26
无锡鼎晶光电科技有限公司
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Problems solved by technology
So far, the weighing device for sapphire single crystal furnace has to take into account the signal transmission and sealing of the rotating parts at the same time, resulting in complex structure and unstable signal, which still cannot meet the higher requirements of today's industrial production
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[0016] The present invention will be further described below in conjunction with specific drawings and embodiments.
[0017] Such as figure 1 As shown: the present invention includes an upper coil 1 , a lower coil 2 , a load cell 3 , an amplifier 4 , an inverter 5 , a filter 6 , a lower casing 7 and an upper casing 8 .
[0018] Such as figure 1 Shown: In order to be able to adapt to the requirement of weight measurement in the sapphire crystal growth process, the load cell 3 is installed on the bottom of the lower casing 7 through the sensor bracket, and the lower casing 7 is provided with a signal for the load cell 3 The signal transmission device for external output; the signal transmission device and the load cell 3 are sealed and installed in the lower casing 7 . Specifically, the signal transmission device includes an amplifier 4, the amplifier 4 is installed in the lower housing 7 through the amplifier bracket, the input end of the amplifier 4 is connected with the out...
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The invention relates to a weighing device for a sapphire single crystal furnace. The weighing device comprises a weighing sensor, which is arranged in a lower casing through a sensor support; the lower casing is provided with a signal transmitting set for transmitting a weighing signal of the weighing sensor; the weighing sensor and the signal transmitting set are arranged in the lower casing in seal. According to the invention, corresponding cooperation of the weighing sensor and the signal transmitting set can provide weight signals required by sapphire crystal growth and has corresponding precision; the weighing sensor and the signal transmitting set are arranged in the lower casing in seal; an upper is above and separated with the lower casing; the lower casing can realize rotation with a rotary mechanism during crystal growth of the sapphire crystal, so as to satisfy signal transmission during rotation and seal condition required by the sapphire single crystal furnace; the weighing device has simple and compact structure, is convenient for installation and usage, has increased measure precision and good adaptability and can enhance stability and reliability of sapphire growth.
Description
technical field [0001] The invention relates to a weighing device, in particular to a weighing device for a sapphire single crystal furnace, belonging to the technical field of sapphire weighing. Background technique [0002] Sapphire crystal has unique and excellent physical and chemical properties, especially good light transmission in the 0.2~5.0μm band, and can be widely used in infrared military equipment, satellite and space technology and other fields; it also has dielectric insulation, constant dielectric It has become one of the most widely used substrate materials. For this reason, countries all over the world are trying their best to carry out research and production. [0003] The synthesis methods of sapphire crystal mainly include flame melting method, flux method and melt method, among which the melt method can be divided into several kinds. The gem crystals grown by the flame fusion method are small in size, have a large number of mosaic structures, and the ...
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IPC IPC(8): C30B17/00C30B29/20
Inventor 张向锋贾宝申
Owner 无锡鼎晶光电科技有限公司