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CN1853798A - Micro-mist droplet generating device - Google Patents

Micro-mist droplet generating device Download PDF

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Publication number
CN1853798A
CN1853798A CNA2005100662084A CN200510066208A CN1853798A CN 1853798 A CN1853798 A CN 1853798A CN A2005100662084 A CNA2005100662084 A CN A2005100662084A CN 200510066208 A CN200510066208 A CN 200510066208A CN 1853798 A CN1853798 A CN 1853798A
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CN
China
Prior art keywords
micro
fluid
generating device
droplet generating
mist droplet
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Granted
Application number
CNA2005100662084A
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Chinese (zh)
Other versions
CN100518956C (en
Inventor
王郁仁
沈圣智
陈易呈
叶建贤
李聪瑞
潘奕凯
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Industrial Technology Research Institute ITRI
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Industrial Technology Research Institute ITRI
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Priority to CNB2005100662084A priority Critical patent/CN100518956C/en
Publication of CN1853798A publication Critical patent/CN1853798A/en
Application granted granted Critical
Publication of CN100518956C publication Critical patent/CN100518956C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
    • B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
    • B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
    • B05B17/0638—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers spray being produced by discharging the liquid or other fluent material through a plate comprising a plurality of orifices
    • B05B17/0646—Vibrating plates, i.e. plates being directly subjected to the vibrations, e.g. having a piezoelectric transducer attached thereto

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  • Special Spraying Apparatus (AREA)

Abstract

The invention discloses a micro-fog droplet generating device, which comprises: a body, which has a containing chamber inside and an inlet on one side; and an opening arranged at the other side of the body; the jet hole sheet is provided with a plurality of micro jet holes and is arranged at the opening; the projection is arranged in the cavity and provided with an end face close to the bottom face of the spray hole sheet; and the piezoelectric element is contacted with the jet hole piece and can drive the jet hole piece to generate rapid reciprocating displacement relative to the end surface of the lug, so that the gap between the jet hole piece and the end surface of the lug is changed, and fluid in the cavity is attracted into the gap through continuous and rapid approaching and separating actions between the jet hole piece and the lug, and is compressed and ejected from the jet hole of the jet hole piece.

Description

Little droplet generation device
Technical field
The present invention relates to a kind of little droplet generation device, be meant a kind of accurate little droplet generation device of low discharge that uses the piezoelectric principle type of drive especially.
Background technology
Atomizer on the market has two kinds of pressure type and mechanical concussion formulas now.The former utilizes very big pressure differential with the atomization of liquid, though can the big effect of atomized amount, its shortcoming is that particle noise big, that need the machine that improves pressure and pressure type is bigger etc.With medical atomizer, do not need so big atomization quantity, and the requirement of granular size is taken much count of, so the atomizer of pressure type is not suitable for medical application gradually.Medical atomizer in recent years is based on machinery concussion formula, major part is that the vibration of ultrasonic wave that produces with piezoelectric allows the atomization of liquid, but this atomizing type has its shortcoming, and for example: power consumption is big, need fan to provide that fog direction of transfer, volume are big, atomizing particle is not of uniform size etc.
In the atomizer based on piezoelectric, except the mode of above-mentioned ultrasonic atomization, the atomizer that the spray nozzle sheet of arranging in pairs or groups in addition in addition uses.Added after the spray nozzle sheet, can reduce the electric energy of use greatly, and, made granular size controlled through the effect in aperture.Relevant at present patent or product roughly can be divided into two classes: the one, and utilize the piezoelectric vibrations that liquid is extruded spray nozzle sheet and form fog, another kind is to utilize piezoelectric vibrations spray nozzle sheet, makes it to pat liquid, allows liquid discharge from spray orifice and forms fog.The former needs bigger energy to go to drive the piezoelectric vibrations for producing short grained droplet, liquid could be extruded atomizing, with effect, a little less than the latter.The latter plane of patting of arranging in pairs or groups sometimes, for example utilize bundle of capillary tubes to carry the mechanism of liquid, and be processed into a plane at its end, liquid is flow on this plane, so that pat atomizing, or arrange in pairs or groups a pressure apparatus, feeding liquid under pressure is arrived the spray nozzle sheet place, during the spray nozzle sheet vibrations, extrude atomizing from spray orifice.Its problem that causes have following some:
1. energy easily scatters and disappears.
2. bulky problem.
3. cost is higher.
4. be subject to the angle of use in the mode on bundle of capillary tubes one end do beating plane.
5. atomizing effect is limited.
The present invention promptly solves the above problems, and designs a feed flow structure, the target that enables to reach low-cost, low power consuming and do not take up space etc.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of and can accurately control flow, and can produce little droplet generation device of mist droplet.
Another technical problem that the present invention will solve is: provide the little cost of a kind of volume low little droplet generation device.
The technical problem again that the present invention will solve is: a kind of little droplet generation device of doing the flattening design that is beneficial to is provided.
Technical solution of the present invention is: a kind of little droplet generation device, and it comprises: a body, its inside has an accommodating chamber, can be for the fluid that holds the desire atomizing; One side of this body has an opening, and the fluid of accommodating chamber inside can flow to this aperture position; And a spray nozzle sheet, be installed on the opening part of this body, have densely covered small spray orifice on this spray nozzle sheet, and it has a medial surface towards the accommodating chamber of this body, it can contact the fluid of this accommodating chamber inside; And a concussion element, bond mutually with this spray nozzle sheet, and drive this spray nozzle sheet and back and forth shake; Reach a projection, be arranged at the accommodating chamber inside of this body, the end face of projection is provided with a groove, is close to the medial surface of this spray nozzle sheet abreast;
By the combination of above element, during this this spray nozzle sheet of concussion element drives, form a little cavity in spray nozzle sheet and vibrations interelement, can make the amplification or dwindle of this little cavity because the spacing of the medial surface of spray nozzle sheet and this projection end face changes; When the volume of this little cavity amplifies, can make the fluid of accommodating chamber inside enter among this little cavity, and when this loculus body volume-diminished, can make the fluid of this little inside cavity be compressed, and it is spouting from the spray orifice of this spray nozzle sheet, form little droplet, to reach the purpose of atomizing fluids.
Characteristics of the present invention and advantage are: little droplet generation device of the present invention, comprising: a body, this body interior has an accommodating chamber, and the one side is provided with an inlet; Reach an opening, be arranged on an other side of body; And a spray nozzle sheet, a plurality of small spray orifices are set on it, be located at opening part; And a projection, being arranged at this inside cavity, it has an end face, is close to the bottom surface of this spray nozzle sheet; An and piezoelectric element, contact with this spray nozzle sheet, can drive the quick shift reciprocately of this spray nozzle sheet generation with respect to the end face of this projection, and make space change between the end face of this spray nozzle sheet and this projection, and by continuing between spray nozzle sheet and this projection fast near with the action that separates, and the fluid in the cavity is drawn in the aforesaid gap, and make fluid be compressed and spouting from the spray orifice of spray nozzle sheet.The present invention has overcome the defective of prior art, not only can accurately control flow, and can produce mist droplet; And the little cost of volume is low, is beneficial to realize the flattening structure; In addition, its concussion energy be difficult for to scatter and disappear, so can reach the saving energy, when helping the present invention and using internal electric source such as battery, can use for a long time.
Description of drawings
Fig. 1 is a three-dimensional exploded view of the present invention.
Fig. 2 is a combination section of the present invention.
Fig. 3 and Fig. 4 are user mode action schematic diagram of the present invention.
Fig. 5 is first kind of stereogram that changes structure of projection used in the present invention.
Fig. 6 is the stereogram that the another kind of projection used in the present invention changes structure.
The drawing reference numeral explanation:
10...... body 11...... accommodating chamber
12...... opening 13...... inlet
20...... spray nozzle sheet 21...... spray orifice
22...... medial surface 30...... shakes element
40...... projection 41...... end face
42...... groove 43...... guides ditch
50...... the little droplet of loculus body 51......
The specific embodiment
As shown in Figure 1, little droplet generation device of the present invention is made up of a body 10, a spray nozzle sheet 20, a concussion element 30 and a projection 40, and wherein the inside of this body has an accommodating chamber 11, can be for the fluid that holds the desire atomizing; One side of this body 10 has out 12, can be for installing spray nozzle sheet 20; This opening 12 is communicated with the accommodating chamber 11 of this body 10, therefore makes the fluid of accommodating chamber 11 inside can flow to this aperture position, and contacts with this spray nozzle sheet 20.
These body 10 other ends are provided with an inlet 13, among being available for users to inject fluid into this accommodating chamber 11 from this inlet 13.When the present invention uses in portable purposes (as carry-on medical atomizer), the capacity of this accommodating chamber 11 can be strengthened, so that it can store the fluid of enough capacity; And if be applied in must be long-time during the purposes of using (as: indoor sprayer) for device of the present invention, then this inlet can be connected with the feeding mechanism that can continue accommodating fluid, so that it can use for a long time.
As shown in Figure 2, spray nozzle sheet 20 is embedded at opening 12 places of this body, has densely covered small spray orifice 21 on this spray nozzle sheet 20, the acting as of spray orifice 21 can make fluid when this spray orifice 21 passes through, can be by the aperture of spray orifice 21 and the restriction of direction, with granular size after the ejection of control fluid and the moving direction after the ejection thereof.
As shown in Figure 2, spray nozzle sheet 20 has a medial surface 22 towards the accommodating chamber 11 of this body, can contact the fluid of these accommodating chamber 11 inside.
Shown in Fig. 1～2, concussion element 30 is made with piezoelectric, and is bonded together with this spray nozzle sheet 20, when it bears driven by power, can produce quick vibrations, and and then drives spray nozzle sheet 20 and produce vibrations fast.
The structure of this concussion element 30 and spray nozzle sheet 20 fit together in the paralleling binding mode.The opening 12 of spray nozzle sheet 20 and body 10 is all circular structure, and therefore shaking element 30 also is designed to circular structure.Shown in Fig. 3～4, concussion element 30 is subjected to driven by power and when producing quick vibrations, can drive this spray nozzle sheet and produce reciprocal vibrations perpendicular to the medial surface of this spray nozzle sheet.
The present invention is characterized in that these accommodating chamber 11 inside are provided with a projection 40, one end of this projection 40 is fixed on the body 10, the other end has an end face 41, therefore this end face 41 is close to the medial surface 22 of this spray nozzle sheet 20 abreast, makes formation one loculus body 50 between the medial surface 22 of this end face 41 and this spray nozzle sheet 20.
When this concussion element 30 drives this spray nozzle sheet, can make this loculus body 50 because the medial surface of spray nozzle sheet 22 amplifies with the spacing variation of these projection 40 end faces or dwindles; As shown in Figure 3, when spray nozzle sheet 20 when the direction away from this end face 41 moves, it is big that the volume of this loculus body 50 also becomes thereupon, can make the fluid of accommodating chamber 11 inside enter among this loculus body 50 this moment.And as shown in Figure 4, when these loculus body 50 volume-diminished, can make the fluid of this little inside cavity be compressed, and spouting from the spray orifice of this spray nozzle sheet, and form little droplet 51, to reach the purpose of atomizing fluids.
Shown in Fig. 5～6, the present invention also can be provided with suitable guiding ditch on projection 40, to help flowing of fluid.Be that end face 41 in projection 40 is provided with groove 42 as shown in Figure 5, this groove 42 can be annular recess.This groove 42 can form a space that fluid can be remained on the end face of projection 40, and by capillarity fluid is maintained in the space between the medial surface 22 of end face 41 and spray nozzle sheet 20.Shown in Figure 6 then is that the guiding ditch 43 that at least one side by projection 40 extends to its end face 41 is set in the side of projection 40, and this guiding ditch 43 can be directed to the projection end face with fluid by capillarity.Can auxiliary fluid enter into the loculus body 50 between the medial surface 22 of the end face of projection 40 and spray nozzle sheet 20 by above-mentioned guiding ditch, even if therefore make the present invention can't utilize gravity to guide under the situation of fluid naturally, also can guide fluid, and make it keep normal operation by the capillarity that guiding ditch 43 is produced.
Main feature of the present invention is that the inside of this accommodating chamber 11 is provided with projection 40, shown in Fig. 3～4, because the end face 41 of this projection 40 is positioned at the lower position of the medial surface 22 of spray nozzle sheet 20, when therefore making spray nozzle sheet 20 starts, its vibration energy can be subjected to the restriction of the end face of projection 40, and be confined in the small space of loculus body 50, therefore make the concussion energy of spray nozzle sheet 20 be difficult for scattering and disappearing, so can reach the saving energy, when helping the present invention and using internal electric sources such as battery, can use for a long time.In addition because the concussion energy of spray nozzle sheet 20 can effectively pass to the fluid in the loculus body 50, so spray nozzle sheet 20 does not need too big power just can drive fluid pass through narrow and small spray orifice 21, and the injection diameter on the spray nozzle sheet 20 can further dwindle, and reaches preferable atomizing effect.
In addition, the present invention compares with known technology, because its dynamical system can be simplified, and it does not need to add other in order to carry the servicing unit of fluid again, therefore its simplified structure significantly, and reach the purpose that reduces cost, and help volume-diminished of the present invention, or be made into the structure of flattening, therefore for the small-sized atomising device that must carry, or must be made into flattening is beneficial to occasion (as: the medical sprayer of carrying that uses at small space, little droplet generator that air-conditioning system is used etc.), just be particularly suitable for using technology of the present invention.
Though the present invention discloses with specific embodiment; but it is not in order to limit the present invention; any those skilled in the art; the displacement of the equivalent assemblies of under the prerequisite that does not break away from design of the present invention and scope, having done; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that scope of patent protection of the present invention is done.

Claims (11)

1、一种微雾滴产生装置，其特征在于，包括：1. A micro-mist droplet generating device, characterized in that, comprising: 一本体，其内部具有一容纳室，可供容纳欲雾化的流体；该本体的一侧面具有一开口，容纳室内部的流体可流动到该开口位置；及a main body, which has an accommodation chamber inside, which can accommodate the fluid to be atomized; one side of the main body has an opening, and the fluid inside the accommodation chamber can flow to the opening position; and 一喷孔片，装置于该本体的开口处，该喷孔片上具有密布的微小喷孔，且其具有一面向该本体的容纳室的内侧面，其可接触该容纳室内部的流体；及An orifice sheet installed at the opening of the main body, the orifice sheet has densely distributed tiny orifices, and has an inner surface facing the accommodating chamber of the main body, which can contact the fluid inside the accommodating chamber; and 一震荡元件，与该喷孔片相互粘结，且驱动该喷孔片往复震动；及an oscillating element, which is bonded to the orifice plate and drives the orifice plate to vibrate back and forth; and 一凸块，设置于该本体的容纳室内部，凸块的顶面设有一凹槽，平行地贴近于该喷孔片的内侧面；A bump is arranged inside the housing chamber of the body, and the top surface of the bump is provided with a groove, which is parallel to the inner surface of the orifice sheet; 通过以上元件组合，该震荡元件驱动该喷孔片时，于喷孔片与震动元件间形成一小腔体，可使得该小腔体因为喷孔片的内侧面与该凸块顶面的间距变化而放大或缩小；当该小腔体的体积放大时，可使得容纳室内部的流体进入到该小腔体之中，而当该小腔体体积缩小时，可使得该小腔体内部的流体受到压缩，而从该喷孔片的喷孔喷射而出，形成微雾滴，以达到雾化流体的目的。Through the combination of the above components, when the oscillating element drives the orifice plate, a small cavity is formed between the orifice plate and the vibrating element, which can make the small cavity due to the distance between the inner surface of the orifice plate and the top surface of the bump. Changes to enlarge or shrink; when the volume of the small cavity is enlarged, the fluid inside the accommodating chamber can enter the small cavity, and when the volume of the small cavity is reduced, the fluid inside the small cavity can be made The fluid is compressed and ejected from the orifice of the orifice sheet to form micro-mist droplets to achieve the purpose of atomizing the fluid. 2.如权利要求1所述的微雾滴产生装置，其特征在于，该本体具有一注入口，所述注入口与该本体的容纳室连通，前述流体经由该注入口注入到该容纳室内部。2. The micro-mist droplet generating device according to claim 1, wherein the body has an injection port, the injection port communicates with the housing chamber of the body, and the aforementioned fluid is injected into the housing chamber through the injection port . 3.如权利要求2所述的微雾滴产生装置，其特征在于，该注入口与一持续供应流体的流体供应装置连接，使得流体可持续进入该容纳室中。3 . The micro-mist droplet generating device according to claim 2 , wherein the injection port is connected to a fluid supply device that continuously supplies fluid, so that the fluid can continuously enter the containing chamber. 4 . 4.如权利要求1所述的微雾滴产生装置，其特征在于，该震荡元件以压电材料制成，且于导电时产生快速震动。4. The micro-mist droplet generating device as claimed in claim 1, wherein the vibrating element is made of piezoelectric material, and generates rapid vibration when conducting electricity. 5.如权利要求4所述的微雾滴产生装置，其特征在于，该震荡元件呈环状，且环绕设置于该喷孔片的周围。5 . The micro-mist droplet generating device according to claim 4 , wherein the oscillating element is ring-shaped and arranged around the orifice plate. 6 . 6.如权利要求1所述的微雾滴产生装置，其特征在于，该凸块的表面设置有至少一导引沟，以导引流体进入到该凸块顶面与该喷孔片内侧面之间的小腔体中。6. The micro-mist droplet generating device according to claim 1, wherein at least one guide groove is provided on the surface of the bump to guide the fluid into the top surface of the bump and the inner surface of the orifice plate in the small cavity between them. 7.如权利要求1所述的微雾滴产生装置，其特征在于，该凹槽为一环状凹槽。7. The micro-mist droplet generating device as claimed in claim 1, wherein the groove is an annular groove. 8.如权利要求6所述的微雾滴产生装置，其特征在于，该导引沟设置在该凸块的侧面位置。8 . The micro-mist droplet generating device according to claim 6 , wherein the guide groove is disposed on a side of the protrusion. 9.如权利要求1所述的微雾滴产生装置，其特征在于，所述凸块的一端固定在所述本体上。9. The micro-mist droplet generating device according to claim 1, wherein one end of the protrusion is fixed on the body. 10.如权利要求1所述的微雾滴产生装置，其特征在于，所述喷孔片嵌置于所述本体的开口处。10 . The micro-mist droplet generating device according to claim 1 , wherein the orifice plate is embedded in the opening of the body. 11 . 11.如权利要求1所述的微雾滴产生装置，其特征在于，所述震荡元件通电驱动喷孔片产生快速震动。11. The micro-mist droplet generating device according to claim 1, characterized in that the oscillating element is energized to drive the orifice plate to generate rapid vibration.
CNB2005100662084A 2005-04-21 2005-04-21 Micro-fog droplet generating device Expired - Lifetime CN100518956C (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN100518956C CN100518956C (en) 2009-07-29

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101209400B (en) * 2006-12-29 2010-07-14 财团法人工业技术研究院 Liquid spraying device
CN101306412B (en) * 2007-05-17 2011-04-20 研能科技股份有限公司 Fluid Spray Actuation Structure
CN105311717A (en) * 2014-08-01 2016-02-10 心诚镁行动医电股份有限公司 Portable ultrasonic atomizer and medicine placing structure thereof
WO2016154897A1 (en) * 2015-03-31 2016-10-06 惠州市吉瑞科技有限公司 Atomizing component and electronic cigarette
WO2016179828A1 (en) * 2015-05-14 2016-11-17 惠州市吉瑞科技有限公司深圳分公司 Electronic cigarette
WO2020067895A1 (en) * 2018-09-25 2020-04-02 Medspray B.V. Spray device, nozzle unit and nozzle body

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU553251B2 (en) * 1981-10-15 1986-07-10 Matsushita Electric Industrial Co., Ltd. Arrangement for ejecting liquid
US5586723A (en) * 1994-10-07 1996-12-24 Spraying Systems Co. Liquid spray nozzle with liquid injector/extractor
US6293474B1 (en) * 1999-03-08 2001-09-25 S. C. Johnson & Son, Inc. Delivery system for dispensing volatiles
US6550472B2 (en) * 2001-03-16 2003-04-22 Aerogen, Inc. Devices and methods for nebulizing fluids using flow directors

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101209400B (en) * 2006-12-29 2010-07-14 财团法人工业技术研究院 Liquid spraying device
CN101306412B (en) * 2007-05-17 2011-04-20 研能科技股份有限公司 Fluid Spray Actuation Structure
CN105311717A (en) * 2014-08-01 2016-02-10 心诚镁行动医电股份有限公司 Portable ultrasonic atomizer and medicine placing structure thereof
WO2016154897A1 (en) * 2015-03-31 2016-10-06 惠州市吉瑞科技有限公司 Atomizing component and electronic cigarette
WO2016179828A1 (en) * 2015-05-14 2016-11-17 惠州市吉瑞科技有限公司深圳分公司 Electronic cigarette
WO2020067895A1 (en) * 2018-09-25 2020-04-02 Medspray B.V. Spray device, nozzle unit and nozzle body
NL2021704B1 (en) * 2018-09-25 2020-05-07 Medspray B V Spray device, nozzle unit and nozzle body

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Granted publication date: 20090729