High voltage pulse magnetron power supply
A high-voltage pulse and magnetron technology, applied in the field of high-voltage pulse-type magnetron power supply, can solve the problems of unstable performance and complex structure of magnetron power supply, so as to improve efficiency, reduce volume and weight, and improve output efficiency Effect
Active Publication Date: 2017-12-15
THE PLA INFORMATION ENG UNIV
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Problems solved by technology
[0006] The present invention aims to solve the technical problems of the existing magnetron power supply with complex structure, unstable performance and great potential safety hazards
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Embodiment 1
[0029] Embodiment 1: A high-voltage pulse-type magnetron power supply, including a rectification and filtering module, a main circuit module, a sampling feedback module and a control drive module, the main circuit module includes an LLC resonance module, a high-frequency transformer T1 and a high-voltage rectification module, rectification and filtering The input end of the module is connected to the mains, the output end is connected to the LLC resonance module, and the LLC resonance module is connected to the high-voltage rectification module through a high-frequency transformer.
[0030] The sampling feedback module samples from the output terminal of the high-voltage rectification module, and its signal output terminal is connected with the input terminal of the control driving module, and the output terminal of the control driving module is connected with the LLC resonant module.
[0031] The mains first passes through a rectifier and filter module with a certain step-up r...
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The invention discloses a high-voltage pulse type magnetron power source. The high-voltage pulse type magnetron power source comprises a rectifying and filtering module, a main circuit module, a sampling feedback module and a controlling and driving module, wherein the main circuit module comprises an LLC resonance module, a high-frequency transformer T1 and a high-voltage rectifying module, the input end of the rectifying and filtering module is connected with mains supply, the output end of the rectifying and filtering module is connected with the LLC resonance module, and the LLC resonance module is connected with the high-voltage rectifying module through the high-frequency transformer; the sampling feedback module samples from the output end of the high-voltage rectifying module, the signal output end of the sampling feedback module is connected with the input end of the controlling and driving module, and the output end of the controlling and driving module is connected with the LLC resonance module. The high-voltage pulse type magnetron power source can meet requirements of high-voltage pulse power supply of a magnetron. Output power can be flexibly adjusted by adjusting pulse width, size and weight of the power source can be reduced, service life of the magnetron is prolonged, and potential safety hazards in switching in the high-voltage environment are avoided.
Description
technical field [0001] The invention relates to the technical field of pulsed direct current power supply, in particular to a high-voltage pulsed magnetron power supply. Background technique [0002] Microwave heating has the advantages of uniform heating, fast speed, high thermal efficiency, and easy automatic control. Compared with traditional heating technology, microwave heating undoubtedly has great attractiveness and broad industrial application prospects. The core component of microwave power equipment is the switching power supply that drives the microwave source, and its working efficiency and stability directly affect the overall performance of microwave equipment. [0003] There are two ways of traditional magnetron driving power supply, one is linear power supply, which uses a voltage doubler circuit composed of industrial frequency transformer, diode and capacitor to generate anode high voltage. This structure uses a power frequency transformer to boost the vo...
Claims
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IPC IPC(8): H02M9/02
Inventor 李建兵鲁艳江桦舒君王妍范卿赵豫京李莉姜海洋
Owner THE PLA INFORMATION ENG UNIV