Circuit of single transformer for realizing luminance building-up and maintaining functions of laser gyroscope high-voltage power supply

A technology of laser gyroscope and high-voltage power supply, which is applied in the direction of Sagnac effect gyroscope, etc., can solve the problems of various types of components, large circuit board size, large circuit power consumption, etc., and achieve simplified complexity, simple hardware, high The effect of integration

Active Publication Date: 2014-03-12
BEIJING AEROSPACE ERA LASER NAVIGATION TECH CO LTD
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Problems solved by technology

[0002] The traditional laser gyro high-voltage power supply uses two transformers to output positive high voltage and negative high voltage respectively to realize the ignition and maintenance functions of th

Method used

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  • Circuit of single transformer for realizing luminance building-up and maintaining functions of laser gyroscope high-voltage power supply
  • Circuit of single transformer for realizing luminance building-up and maintaining functions of laser gyroscope high-voltage power supply
  • Circuit of single transformer for realizing luminance building-up and maintaining functions of laser gyroscope high-voltage power supply

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[0027] The present invention provides a single transformer circuit for realizing the ignition and maintenance function of the high-voltage power supply of laser gyro, such as figure 1 As shown, it includes a microprocessor chip, a glow control circuit, a quasi-resonant control chip, a transformer rectifier filter circuit, a constant current circuit and a feedback circuit;

[0028] The external power supply supplies power for the microprocessor chip, quasi-resonance control chip, transformer rectifier filter circuit and constant current circuit. The microprocessor chip outputs two reference voltage signals to the constant current circuit. The constant current circuit provides working current for the laser gyro, and also Provide two-arm sampling signals for the microprocessor chip to realize the judgment of whether the gyro is activated, and enable or disable the ignition control circuit;

[0029] When the ignition control circuit is enabled, the quasi-resonant control chip outputs PW...

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Abstract

The invention discloses a circuit of a single transformer for realizing luminance building-up and maintaining functions of a laser gyroscope high-voltage power supply. The circuit comprises a microprocessor chip, a luminance building-up control circuit, a quasi-resonance control chip, a transformer rectification and filtration circuit, a constant-current circuit and a feedback circuit. According to the circuit, the luminance building-up and maintaining functions of a laser gyroscope are realized, so that the laser gyroscope generates laser, maintains the laser, and keeps working within a certain current range, and the defects of large power consumption, multiple types and quantity of components, and the like caused by two transformers of a circuit of an original laser gyroscope high-voltage power supply are overcome; meanwhile, the size of a circuit board is effectively reduced, and the EMI (Electro-Magnetic Interference) interference is effectively inhibited.

Description

technical field [0001] The invention relates to a circuit with a single transformer for realizing the ignition maintenance function of a laser gyro high-voltage power supply, and belongs to the field of circuit design. Background technique [0002] The traditional laser gyro high-voltage power supply uses two transformers to output positive high voltage and negative high voltage respectively to realize the ignition and maintenance functions of the laser gyro. This leads to many types and large quantities of components in the laser gyro high-voltage power supply circuit, resulting in a large number of circuit boards. Too large, the circuit consumes a lot of power. Contents of the invention [0003] The technical problem of the present invention is: to overcome the deficiencies of the prior art, to provide a single transformer to realize the laser gyroscope high-voltage power source ignition maintenance circuit, through a transformer to realize the laser gyroscope ignition a...

Claims

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Application Information

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IPC IPC(8): G01C19/64
CPCG01C19/64
Inventor 张宏伟杨雨李锦成尹焱王冬梅陈庆领
Owner BEIJING AEROSPACE ERA LASER NAVIGATION TECH CO LTD
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