Ampere force driving micro spraying device

Abstract

The invention discloses an ampere force driving micro spraying device, and relates to a micro spraying dispensing device. The ampere force driving micro spraying device is provided with an upper magnet, upper and lower cover plates, an intermediate baffle plate, a guide plate, a lower magnet, an electrode, a flexible electric conducting actuator, a spraying nozzle, a liquid conveying pipe, a liquid storage barrel, a gas pipe, a pulse current controller and a power supply, wherein the upper magnet is fixed on the surface of the upper cover plate; the intermediate baffle plate and the guide plate are fixed on the surface of the lower cover plate; the upper cover plate and the lower cover plate are connected with each other; the lower magnet is fixed on the bottom surface of the lower cover plate; the electrode is connected with the flexible electric conducting actuator which is positioned between the bottom surface of the upper cover plate and the surface of the lower cover plate; the upper cover plate, the lower cover plate, the guide plate and the flexible electric conducting actuator surround to form an injection cavity together; the spraying nozzle is arranged on the guide plate, and is communicated with the outsider; one end of the liquid conveying pipe is communicated with the injection cavity; the other end of the liquid conveying pipe is communicated with the outlet of the liquid storage barrel; the inlet of the liquid storage barrel is connected with one end of the gas pipe; the other end of the gas pipe is externally connected with a pressure gas source; and the power supply is electrically connected with the electrode through the pulse current controller. The ampere force driving micro spraying device is simple in structure, and has a favorable electric control performance.

Description

technical field [0001] The invention belongs to liquid micro-spray technology, relates to a micro-spray dispensing device, in particular to an ampere force-driven micro-spray device. Background technique [0002] Fluid micro-jet dispensing technology has a wide range of applications in liquid crystal displays, mobile phone touch screens, laboratory-on-chip biotechnology, optical microlenses and MEMS devices, especially in VLSI packaging and surface mounting. important role. As the mainstream of future dispensing technology development, non-contact jet dispensing technology is undergoing a transformation from traditional contact dispensing technology. Its market potential is constantly being tapped and its market share continues to expand. [0003] According to different dispensing principles, dispensing technology can be roughly divided into contact type and non-contact type. In recent years, dispensing technology is undergoing a revolution from contact to non-contact. Man...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an ampere-force-driven micro-spray device that can overcome the defects of the existing micro-spray device such as complex mechanical structure and high requirements for liquid physical and chemical properties, and realize the function of spraying tiny droplets on demand

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