Laval-low frequency static and ultrasonic composite atomizing saying head

An atomizing nozzle, Laval-type technology, applied in the direction of electrostatic spraying device, spraying device, spraying electric energy device, etc., can solve the problems of nutrient solution and water waste, large droplet diameter, etc., to increase adhesion and improve use efficiency Effect

Active Publication Date: 2018-02-09
徐州馨予康建材有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 2. Large droplet diameter
[0006] 3. Waste of nutrient solution and water in fog droplets

Method used

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  • Laval-low frequency static and ultrasonic composite atomizing saying head
  • Laval-low frequency static and ultrasonic composite atomizing saying head
  • Laval-low frequency static and ultrasonic composite atomizing saying head

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0029] Such as figure 1 and figure 2 As shown, the Laval-low-frequency electrostatic ultrasonic composite atomizing nozzle described in the present invention consists of an air inlet end cover 2, a piezoelectric vibrator rear cover plate 3, a valve core top column 4, a Laval type valve core 5, and a copper sheet Electrode 6, insulating sleeve 7, piezoelectric vibrator 8, piezoelectric vibrator front cover 9, horn 10, connecting bolt 11, rotor support frame 13, permanent magnet 14, rotor 15, rotor end cover 16, induction static electrode ring 17. Transformer 19 forms. The horn 10 is a stepped horn 10 with an exponential transition section, and there is an air intake channel inside. The horn 10 has a flange on the outer circular surface of the zero-amplitude surface, and...

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Abstract

The invention provides a Laval-low frequency static and ultrasonic composite atomizing saying head which is used for atomization cultivation in the field of agricultural engineering. The Laval-low frequency static and ultrasonic composite atomizing saying head mainly includes a Laval type spool, a piezoelectric vibrator front cover plate, a piezoelectric vibrator, a copper chip electrode, a piezoelectric vibrator rear cover plate, an amplitude-change pole, a permanent magnet, a rotor, an induction static electrode ring and a transformer. Metal glue bonding connecting is conducted between the piezoelectric vibrator front cover plate, the piezoelectric vibrator rear cover plate and the copper chip electrode as well as between the copper chip electrode, the piezoelectric vibrator and the amplitude-change pole. Through holes are formed in the amplitude-change pole. A liquid inlet hole is formed in the atomizing end part of the amplitude-change pole. A rotor supporting frame is connected with the zero-amplitude surface of the amplitude-change pole through bolts. The Laval-low frequency static and ultrasonic composite atomizing saying head uses a mode that Laval principle technique, a piezoelectric ultrasonic atomization technology and a static spraying technology are combined, so that droplets have the high energy and the high speed, therefore, the spraying head can realize high efficiency and accurate spraying, enhances the atomization quantity and realizes long-distance spraying.

Description

technical field [0001] The invention relates to a Laval-low-frequency electrostatic ultrasonic composite atomizing nozzle, which belongs to the field of agricultural engineering atomization cultivation. Background technique [0002] Ultrasonic nebulizers are widely used in the field of agricultural engineering due to their small and uniform droplet size. At present, in the field of ultrasonic atomization technology, there are mainly two methods for generating power ultrasound: one is to use an electroacoustic transducer to generate ultrasound, and the other is to use fluid as power to generate ultrasound. These two methods have their own advantages and disadvantages. Using the electroacoustic transducer to atomize the nozzle produces uniform droplets and low energy consumption. The droplet size changes with the design frequency of the piezoelectric vibrator. The higher the frequency, the droplet size The smaller it is, the disadvantage is that the amount of atomization is s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B17/06B05B5/053
CPCB05B5/053B05B5/0533B05B17/06B05B17/0607B05B17/0653
Inventor 高建民刘旭
Owner 徐州馨予康建材有限公司
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