Multi-cavity piezoelectric air-liquid pump

A technology of electric pumps and liquid pumps, which is applied in the direction of pumps, pump devices, pump components, etc., can solve problems such as not being able to meet the requirements of use, and achieve the effects of excellent pump performance, fast response, and good followability of pump valves

Active Publication Date: 2021-02-26
QINGDAO AGRI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, piezoelectric electric pumps and piezoelectric hydraulic pumps are mostly independent of each other, valve pumps and valveless pumps are also independent o

Method used

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  • Multi-cavity piezoelectric air-liquid pump
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  • Multi-cavity piezoelectric air-liquid pump

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Embodiment Construction

[0037] The technical solutions of the present invention will be further described in detail below in conjunction with specific embodiments.

[0038] see Figure 1 to Figure 15 , the present invention provides a multi-chamber piezoelectric electro-hydraulic pump, which is an integrated piezoelectric pump structure, including a multi-chamber parallel piezoelectric pump and a parallel valveless mixed liquid pump. At the same time, it is also an integration of a valve pump and a valveless pump. The cavity parallel pressure electric pump can also be used for pumping liquid, and this patent uses pumping gas as an example for illustration. The multi-cavity parallel piezoelectric pump is located above the parallel valveless mixed liquid pump.

[0039] The multi-chamber parallel piezoelectric pump and the parallel valveless mixed liquid pump can work simultaneously or independently, and each pump can also be controlled independently.

[0040] For the multi-cavity parallel piezoelectr...

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Abstract

The invention provides a multi-cavity piezoelectric air-liquid pump. The air-liquid pump comprises a piezoelectric air pump body and a piezoelectric liquid pump body, and a piezoelectric air pump baseis in threaded connection with the piezoelectric liquid pump body; and the piezoelectric air pump body comprises a threaded pump cover I, a sealing ring I, three piezoelectric vibrators I and a pumpbody I, the three piezoelectric vibrators I and the pump body I form a pump cavity and divide the pump cavity into a first pump cavity body, a second pump cavity body and a third pump cavity body, follow-up thin wafer valves are arranged in corresponding inlets and outlets of the first pump cavity body and the second pump cavity body, a first fixing frame is arranged at the bottom of the pump bodyI, and a first V-shaped bluff body is arranged on the first fixing frame. According to the air-liquid pump, the follow-up thin wafer valves are quick in response, small in opening pressure and good in pump valve following performance, and in cooperation with the disc-shaped vibrators, the pumping performance of the parallel pump is greatly improved; and a valve pump, a valveless pump, the air pump body and the liquid pump body are integrated into a whole, all the pumps can be jointly controlled or independently controlled, simultaneous pumping and independent pumping of gas and liquid can berealized, the flow range is wide, and various working requirements can be met.

Description

technical field [0001] The invention belongs to the technical field of fluid machinery, and in particular relates to a multi-chamber pressure electro-hydraulic pump. [0002] technical background [0003] Piezoelectric pump is a new type of micropump that integrates driving parts, working parts and control parts and is easy to integrate. It uses the inverse piezoelectric effect of piezoelectric components to convert electrical energy into mechanical energy, and then transmits it to the fluid through a specific structure to form fluid pump. Compared with traditional pumps, piezoelectric pumps have significant advantages such as simple structure, miniaturization and integration, no noise, no electromagnetic interference, and can control the output of small flow according to the applied voltage or frequency. Therefore, in chemical analysis, MEMS devices And its heat dissipation, fuel supply and other fields have broad application prospects. At present, piezoelectric electric p...

Claims

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Application Information

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IPC IPC(8): F04B23/06F04B43/04F04B45/047F04B53/10F04B39/10
CPCF04B23/06F04B43/046F04B43/0027F04B53/102F04B45/047F04B39/1026
Inventor 纪晶胡彩旗李胜多隋仁东黄素真
Owner QINGDAO AGRI UNIV
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