Prezoelectric ceramics sheet for mfg. mini-pump and mini air pump

A piezoelectric ceramic sheet, piezoelectric ceramic technology, applied in piezoelectric device or electrostrictive device parts, pumps, pumps with flexible working elements, etc. Crystal diaphragm cracks, small elastic modulus and other problems, to achieve the effect of low noise, low cost and large elastic modulus

Inactive Publication Date: 2006-06-28
胡军 +1
View PDF0 Cites 26 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the piezoelectric ceramic sheet used in the piezoelectric pump of the prior art, the pressure resistance is poor, the piezoelectric ceramic crystal diaphragm has poor toughness, and the elastic modulus is small. When the piezoelectric ceramic sheet works, the electric ceramic crystal of the piezoelectric ceramic sheet The diaphragm is prone to cracking, which cannot meet the needs of use, especially the lack of technology that cannot meet t

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Prezoelectric ceramics sheet for mfg. mini-pump and mini air pump
  • Prezoelectric ceramics sheet for mfg. mini-pump and mini air pump
  • Prezoelectric ceramics sheet for mfg. mini-pump and mini air pump

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] Referring to Figure 1, a schematic diagram of the structure of the piezoelectric ceramic sheet of the present invention. The piezoelectric ceramic sheet is also called a piezoelectric vibrator. The piezoelectric ceramic sheet is composed of a piezoelectric ceramic crystal diaphragm and a metal substrate. Piezoelectric ceramic sheet is the driving device of piezoelectric micro air pump. Piezoelectric ceramic composite technology, dielectric constant, dielectric loss, elastic constant, mechanical quality, piezoelectricity, piezoelectric constant and piezoelectric equation, electromechanical coupling coefficient, frequency constant And the equivalent circuit of the piezoelectric vibrator determines the performance of the piezoelectric ceramic sheet in the piezoelectric micro air pump. To a certain extent, the above-mentioned related parameters depend on the structure of the piezoelectric ceramic sheet and the manufacturing process. Generally, the higher the voltage, the greate...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention is a piezoelectric ceramic plate for manufacturing a micro-pump and a micro-air pump. Its piezoelectric ceramic crystal membrane is bonded with a metal substrate through insulating layer, the insulating layer provides a safe creepage distance between the membrane and the substrate, the other surface of the metal substrate is provided with a pressure resistant protective layer, and the surface of the membrane is provided with a protective layer. The upper and lower covers of the micro-air pump are seal-fixed with the upper and lower ends of a pump body, respectively, the pump body is provided with a round pump cavity, the pump core is the membrane, the metal substrate is supported by sealing ring to be elastically fixed in the pump cavity and closes the lower end of the pump body into a working pump cavity, which is connected through one-way valve with air suction and exhaust pipes. The invention has high energy utilization ratio, simple structure and low noise.

Description

Technical field [0001] The invention relates to a structure of a piezoelectric ceramic sheet for manufacturing a micro pump and a structure of a micro air pump. In particular, it is a structure of piezoelectric ceramic sheet with high pressure resistance, large deformation coefficient, strong amplitude, and deformation and crack resistance, and a micro air pump structure using the piezoelectric ceramic sheet. Background technique [0002] Currently, the diaphragm type or electromagnetic type micro air pump used in the prior art has a complex structure, low efficiency, and high electromagnetic vibration noise, and its use range is limited, especially in a residential environment. Such as household ornamental fish tank oxygenation, household air incense generator, etc. At the same time, due to the complicated structure and low efficiency of the diaphragm type or electromagnetic type air pump, the miniature air pump of the prior art cannot be miniaturized, consumes high power, and w...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): F04B45/047H01L41/04
Inventor 胡军
Owner 胡军
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap