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Atomizing member and atomizer equipped with same

Through the cylindrical breathing vibration structure of the cylindrical piezoelectric body and the vibrating membrane, combined with the design of the flange part and the groove, the problems of low atomization efficiency and high power consumption in the existing technology are solved, and high-efficiency atomization and low-energy atomization are achieved. consumption effect.

Active Publication Date: 2012-01-04
MURATA MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, when using a piezoelectric vibrator that vibrates by the lateral effect as described in Patent Document 1, it is difficult to sufficiently increase the atomization efficiency, and therefore, there is a problem that it is difficult to sufficiently reduce power consumption.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0050] figure 1 It is a schematic exploded perspective view of the atomizer of this embodiment. figure 2 It is a schematic sectional view of the atomizer of this embodiment. Such as figure 1 and figure 2 As shown, the nebulizer 1 includes an atomizing member 30 , a nebulizer main body 10 , and a liquid supply part 20 . The atomizer 1 may further include, for example, a circuit for driving the atomizing member 30 . The circuit for driving the atomizing member 30 includes, for example, an oscillating circuit, a control circuit for the oscillating circuit, a power supply circuit for supplying power to each circuit, and the like.

[0051] The atomizer main body 10 may be formed of, for example, synthetic resin, metal, glass, ceramics, paper, or the like. Such as figure 2 As shown, a reservoir 11 is formed inside the atomizer main body 10 . The liquid 12 to be atomized is stored in the storage part 11 . It should be noted that the liquid 12 is not particularly limited....

no. 2 approach

[0093] Figure 6 It is a schematic sectional view of the atomizer of this embodiment. Figure 7 It is a schematic sectional view of the atomization member of this embodiment.

[0094] The atomizer 1 a of this embodiment has substantially the same structure as the atomizer 1 of the above-mentioned first embodiment except for the form of the atomization member 30 and the support method of the atomization member 30 . In this embodiment, parts of the atomizing member 30 other than the first and second electrodes 33 and 34 are integrally formed of ceramics. Specifically, in the present embodiment, the vibrating film 40 , the piezoelectric body 32 , and the flange portion 45 described later are integrally formed of piezoelectric ceramics. Therefore, the atomization member 30 can be easily produced without bonding the members to each other or the like. In addition, vibration efficiency can be improved by integrally forming the vibrating membrane 40 , the piezoelectric body 32 , an...

no. 3 approach

[0108] Figure 14 It is a schematic exploded perspective view of the atomizer of 3rd Embodiment. Figure 15 It is a schematic sectional view of the atomizer of 3rd Embodiment.

[0109] The atomizer 1 b of the present embodiment differs from the atomizer 1 a of the second embodiment in that the liquid supply part 20 is integrally formed without the elastic membrane 15 and in the structure of the atomization member 30 . Here, refer to Figure 14 and Figure 15 The structure of the atomization member 30 in this embodiment is demonstrated.

[0110] In the present embodiment, the atomizing member 30 is formed with a plurality of through-holes 45e extending in the circumferential direction and arranged in the circumferential direction. Through the plurality of through-holes 45e, at least two bridging portions 45f ( refer to Figure 14 ). At least two bridging portions 45f are arranged at equal intervals along the circumferential direction. In this embodiment, specifically, t...

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Abstract

Disclosed is an atomizing member having high atomization efficiency, which uses a piezoelectric vibrator and can reduce power consumption; further disclosed is an atomizer using the same. An atomizing member (30) is equipped with a piezoelectric vibrator (31) and a vibrating membrane (40). The piezoelectric vibrator (31) has a cylindrical piezoelectric body (32), a first electrode (33) formed on the inner circumferential face of the piezoelectric body (32), and a second electrode (34) formed on the outer circumferential face of the piezoelectric body (32). The piezoelectric vibrator (31) produces cylindrical breathing vibration. The vibrating membrane (40) is provided at the aperture on one side in the axial direction of the piezoelectric body (32) to cover the aperture. Through-holes (43) are formed in the center of the vibrating membrane (40).

Description

technical field [0001] The present invention relates to an atomizing member, and more specifically, to an ultrasonic atomizing member using a piezoelectric vibrator and an atomizer including the ultrasonic atomizing member. Background technique [0002] Conventionally, various atomizers using piezoelectric vibrators have been proposed in, for example, Patent Document 1 below. exist Figure 9 A cross-sectional view of the atomizer described in Patent Document 1 is shown in . [0003] Such as Figure 9 As shown, the atomizer 100 has a base body 101 having a pressurized chamber 102 formed therein, and the pressurized chamber 102 is filled with an atomized liquid. An injection plate 103 is fixed to the base body 101 so as to close the upper opening 102 a of the pressurization chamber 102 . A plurality of injection holes are formed in the central portion of the injection plate 103 . A disk-shaped piezoelectric vibrator 104 having an opening 104 a formed in the center is attach...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B17/06A01M1/20A61L9/14F24F6/12
CPCA01M1/205B05B17/0646A61L9/14A61L2209/132Y02B30/80F24F2006/125Y02B30/70
Owner MURATA MFG CO LTD
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