Continuously working and controllable electrostatic jetting device

Abstract

The invention relates to an electrostatic jetting device, in particular to a continuously working and controllable electrostatic jetting device. The invention provides a continuously working and controllable electrostatic jetting device capable of controlling the starting and stopping of electrostatic jetting and stably jetting single jet stream for a long time. The device is provided with a hollow jetting head, lower and upper channels of the jetting head, a conductor probe, an insulated sealing sleeve, an electric spiral adjuster, a liquid supply device, a switch valve, a negative pressure chamber, a high voltage relay, an electrostatic high voltage power supply, an electrically conductive relay, a controller and a collecting plate, wherein the lower end of the hollow jetting head is provided with a nozzle while the upper end of the hollow jetting head is provided with a seal cover; the conductor probe is arranged inside the hollow jetting head and is fixed inside the insulated sealing sleeve, the liquid supply device is communicated with the hollow jetting head through the upper channel of the jetting head, the lower channel of the jetting head is communicated with the negativepressure chamber, the conductor probe is connected with the common end of the high voltage relay, the normally open end of the high voltage relay is connected with an anode of the electrostatic high voltage power supply, a casing of the hollow jetting head is connected with the common end of the electrically conductive relay, and the collecting plate is arranged right below the lower end of the conductor probe.

Description

technical field [0001] The invention relates to an electrostatic spraying device, in particular to a continuously working controllable electrostatic spraying device based on the principle of electro-hydraulic coupling. Background technique [0002] As a new micro-nano manufacturing technology, electro-hydraulic coupling printing technology has attracted increasing attention from industry and academia due to its advantages such as simple process, convenient operation, and wide source of raw materials. Compared with the traditional IC silicon micro-manufacturing technology, the electro-hydraulic coupling inkjet printing technology has simple equipment and low manufacturing cost. It can realize rapid and high-precision manufacturing of micro-nano structures on various substrates under normal temperature, normal pressure and non-clean environment. It can meet the mass continuous production requirements of flexible electronic devices, and can realize the integration of organic el...

Images