TWI290839B - A high efficiency atomizer structure - Google Patents

A high efficiency atomizer structure Download PDF

Info

Publication number
TWI290839B
TWI290839B TW94112355A TW94112355A TWI290839B TW I290839 B TWI290839 B TW I290839B TW 94112355 A TW94112355 A TW 94112355A TW 94112355 A TW94112355 A TW 94112355A TW I290839 B TWI290839 B TW I290839B
Authority
TW
Taiwan
Prior art keywords
performance
structure according
liquid
atomizer structure
ultrasonic transducer
Prior art date
Application number
TW94112355A
Other languages
Chinese (zh)
Other versions
TW200637621A (en
Inventor
Neng-Chih Yu
Original Assignee
Quatek Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Quatek Co Ltd filed Critical Quatek Co Ltd
Priority to TW94112355A priority Critical patent/TWI290839B/en
Publication of TW200637621A publication Critical patent/TW200637621A/en
Application granted granted Critical
Publication of TWI290839B publication Critical patent/TWI290839B/en

Links

Landscapes

  • Special Spraying Apparatus (AREA)

Abstract

This invention relates to a high efficiency atomizer structure, which comprises an ultrasonic transducer linking with a nozzle plate having a convex point in core, wherein the nozzle plate performs ultrasonic vibration by using piezoelectric material set in the ultrasonic transducer, a placing tank for placing liquid for atomization, a fixing device for fixing the ultrasonic transducer in one side of the placing tank.

Description

1290839 九、發明說明: 【發明所屬之技術領域】 本發明係有關高效能之霧化器結構,尤指一種利用一 超音波原理來製作一霧化器,再結合一微細喷孔片之運 作,即可應用超音波換能器之共振效果,將能量傳遞至一 喷孔片,再利用一表面波效應以產生霧化之效果,本發明 利用喷孔片中心製作成為向外凸起之梯狀之特有結構,而 較傳統平面狀喷孔片之霧化器而言,本發明之特有結構更 可發揮快速霧化之效果。 【先前技術】 按,一般之微型霧化器為應用在醫療方面,當病人需要 進行吸入式藥物治療時,利用喷霧方式可提供極為細小, 且大小均一之液態藥品,對於支氣管及肺部治療而言,利 用喷霧治療的療效遠勝過口服式藥物之治療。而霧化的速 率之快慢係為霧化器效能的重大指標。 傳統超音波霧化器,其係分為高效能型及低效能型,其 高效能型之體積極大,且其消耗電能亦較大,但是其霧化 速率較佳;相對地其低效能型之體積較小,且其消耗電能 亦較小,但是其霧化速率較差,此二種傳統式超音波霧化 器各自具有其缺點,因此如何研發出一種高效能霧化器, 且集合二種傳統超音波霧化器之優點,且避免二者所具有 之缺點,即成為從事此行業者亟欲努力之目標。 【發明内容】 基於解決以上所述習知技藝的缺失,本發明為一種高 效能之霧化器結構,本發明之主要目的為利用一超音波原 5 1290839 理來製作一霧化器,再結合一微細喷孔片之運作,即可應 用超音波換能器之共振效果,將能量傳遞至一喷孔片,再 利用一表面波效應以產生霧化之效果,本發明利用喷孔片 中心製作成為向外凸起之梯狀之特有結構,而較傳統平面 狀喷孔片之霧化器而言,本發明之特有結構更可發揮快速 霧化之效果。 為達上述之目的,本發明之一種高效能之霧化器結 構,其係包括有: 一超音波換能器,其係連接有一中央處具有一凸島之喷 B 孔片,該喷孔片利用超音波換能器内部所設置之壓電 材料進行超音波振盪之動作; 一容置槽,其内部裝置有欲進行霧化之液體;以及 一固定裝置,用以固定超音波換能器於容置槽之一側。 為進一步對本發明有更深入的說明,乃藉由以下圖示、 圖號說明及發明詳細說明,冀能對貴審查委員於審查工 作有所助益。 i 【實施方式】 茲配合下列之圖式說明本發明之詳細結構,及其連結 關係,以利於貴審委做一暸解。 超音波換能器,主要係由錯鈦酸錯材料所構成之壓電 (PZT)陶瓷,該壓電陶瓷輸入一電壓後,陶瓷本體及附屬 金屬背板會產生伸縮形變現象,其能量傳遞之方式乃以波 動型態來形成傳遞,並可令其於超音波之頻率工作,其振 幅約在微米之範圍,且其振幅可由輸入電壓來控制,利用 該壓電材料所產生之震動,將超音波傳遞至喷孔片,使靠 近喷孔處之液體受到雷利波(Rayleigh Wave)或稱「表面 6 129〇839 」之作用,將液體截斷成為細小分子,以利喷出及霧化 之作用。 ^ 請同時參閱圖一、二所示,其係為本發明之高效能之 霧化器結構示意圖,其係包括有: 一超音波換能器2,其係連接有一中央處具有一凸島231 之噴孔片23,其凸島231係為一應用預應力方式以直 接形成梯狀凸起結構,該喷孔片23利用超音波換能器 2内部所設置之壓電材料21進行超音波振盪之動作, ϋ 該壓電材料21更係連接有二電極24,於二電極23上施 加一預定頻率電壓,與電極23相連接之超音波換能器 2即產生超音波振盪; 一容置槽1,其内部裝置有欲進行霧化之液體11,該容 置槽1中靠近喷孔片23處更係設置有一〇型環12,以防 制液體11自容置槽1產生滲漏現象;以及 一固定裝置3,用以固定超音波換能器2於容置槽1之一 側’該固定裝置3内更係設置有一固定膠31,以同時 將壓電材料21及喷孔片23做一固定。 藝 『本發明之動作原理』 (1) 於超音波換能器2上施加一預定頻率之電壓,其 =產生之應變或位移在諧振頻率狀態下呈現最大值,而超 音波能量主要為集中於喷孔片23中央處,可使霧化之效果 達到最佳之程度。 (2) 喷孔片23中央處應用預應力方式以直接形成一 $島j31 (梯狀凸起)結構,對於超音波能量具有集中的效 ’猎由提昇超音波換能器2諧振頻率狀態下之振盪位移效 應,故可提高霧化之速率。 (3) 噴孔片23中央凸起梯狀結構,因其中央部份面 1290839 積較傳統平面者來得大,應用於超音波能量集中處理時, 亦可提高其霧化之速率。 『本發明之動作流程』 將所需要霧化的液體置入容置槽中,利用液體本身 的重量,使液體11流至喷孔片23中央之凸島231處,再於二 電極24上施加一預定頻率電壓,與電極24相連接之超音波 換能器2即產生超音波,進而使與超音波換能器2相連接之 喷孔片23產生徑向(垂直於噴孔片23之方向)振盪,使靠 近喷孔片23處之液體u受到雷利波(RayleighWave)或稱 「表面波」之作用,將液體11截斷成為細小霧化分子4,並 自動喷出及產生霧化之作用,當關閉施加於電極24之電壓 時,即可停止液體11繼續由喷孔片23中喷出。 『本發明之優點』 (2)喷孔片23中央處應用預應力方式以1290839 IX. Description of the Invention: [Technical Field of the Invention] The present invention relates to a high-performance atomizer structure, and more particularly to an operation for fabricating an atomizer using a supersonic principle, in combination with a fine orifice sheet, The resonance effect of the ultrasonic transducer can be applied, the energy is transmitted to a orifice sheet, and a surface wave effect is utilized to generate the atomization effect. The present invention utilizes the center of the orifice sheet to form an outwardly convex ladder. The special structure of the present invention can exert the effect of rapid atomization more than the atomizer of the conventional planar orifice sheet. [Prior Art] According to the general micro-atomizer for medical applications, when the patient needs inhaled medication, the spray method can provide extremely small and uniform liquid medicine for bronchial and pulmonary treatment. In fact, the efficacy of treatment with spray is far better than the treatment of oral drugs. The rate of atomization is a major indicator of the effectiveness of the atomizer. The traditional ultrasonic atomizer is divided into high-efficiency type and low-efficiency type. Its high-efficiency type is extremely large, and its power consumption is also large, but its atomization rate is better; relatively low-efficiency type The volume is small, and its power consumption is also small, but its atomization rate is poor. The two conventional ultrasonic atomizers each have their shortcomings, so how to develop a high-performance atomizer, and two kinds of sets The advantages of traditional ultrasonic atomizers, and avoiding the shortcomings of both, are the goals of those who are engaged in this industry. SUMMARY OF THE INVENTION Based on the solution to the above-mentioned shortcomings of the prior art, the present invention is a high-performance atomizer structure. The main purpose of the present invention is to make an atomizer by using an ultrasonic wave 5 1290839, and then combine it. The operation of a micro orifice can apply the resonance effect of the ultrasonic transducer, transfer energy to a orifice sheet, and then use a surface wave effect to produce the effect of atomization. The invention utilizes the orifice center to make It has the unique structure of the outwardly convex ladder shape, and the special structure of the present invention can exert the effect of rapid atomization more than the atomizer of the conventional planar orifice sheet. In order to achieve the above object, a high-performance atomizer structure of the present invention comprises: an ultrasonic transducer connected to a spray B orifice having a convex island at the center, the orifice sheet Ultrasonic oscillation is performed by using a piezoelectric material provided inside the ultrasonic transducer; a receiving groove having a liquid to be atomized therein; and a fixing device for fixing the ultrasonic transducer One side of the receiving groove. In order to further explain the present invention, it will be helpful to review the work of the review by the following illustrations, the description of the drawings, and the detailed description of the invention. i [Embodiment] The detailed structure of the present invention and its connection relationship are explained in conjunction with the following drawings to facilitate an understanding of the audit committee. Ultrasonic transducer is mainly composed of piezoelectric (PZT) ceramics composed of erbium titanate material. After the piezoelectric ceramic is input with a voltage, the ceramic body and the auxiliary metal back plate will undergo telescopic deformation and energy transfer. The mode is formed by a wave pattern and can be operated at the frequency of the ultrasonic wave. Its amplitude is in the range of micrometers, and its amplitude can be controlled by the input voltage, and the vibration generated by the piezoelectric material will be super The sound wave is transmitted to the orifice sheet, so that the liquid near the orifice is subjected to the action of Rayleigh Wave or "surface 6 129 〇 839", and the liquid is cut into small molecules to facilitate the ejection and atomization. . ^ Please also refer to FIG. 1 and FIG. 2, which are schematic diagrams of the high-performance atomizer of the present invention, which includes: an ultrasonic transducer 2 connected to a central portion having a convex island 231 The orifice sheet 23 has a convex island 231 which is applied by a pre-stressing method to directly form a ladder-like convex structure, and the orifice sheet 23 is ultrasonically oscillated by the piezoelectric material 21 provided inside the ultrasonic transducer 2. The action of the piezoelectric material 21 is further connected to the two electrodes 24, a predetermined frequency voltage is applied to the two electrodes 23, and the ultrasonic transducer 2 connected to the electrode 23 generates ultrasonic oscillation; 1. The internal device has a liquid 11 to be atomized, and a 〇-shaped ring 12 is disposed in the accommodating groove 1 near the orifice plate 23 to prevent leakage of the liquid 11 from the accommodating groove 1. And a fixing device 3 for fixing the ultrasonic transducer 2 on one side of the accommodating groove 1, wherein the fixing device 3 is further provided with a fixing glue 31 for simultaneously arranging the piezoelectric material 21 and the orifice sheet 23 Make a fix. Art "Operation Principle of the Invention" (1) A voltage of a predetermined frequency is applied to the ultrasonic transducer 2, and the generated strain or displacement exhibits a maximum value at a resonance frequency state, and the ultrasonic energy is mainly concentrated on At the center of the orifice sheet 23, the effect of atomization can be optimized. (2) The prestressing method is applied at the center of the orifice sheet 23 to directly form a structure of the island j31 (ladder-like projection), which has a concentrated effect on the ultrasonic energy. The hunting is performed by raising the ultrasonic frequency of the ultrasonic transducer 2 The oscillation displacement effect can increase the rate of atomization. (3) The centrally raised stepped structure of the orifice sheet 23 has a larger central portion of the surface of the 1290839 than that of the conventional plane. When applied to the ultrasonic energy concentration treatment, the atomization rate can also be increased. In the operation flow of the present invention, the liquid to be atomized is placed in the accommodating tank, and the liquid 11 is caused to flow to the convex island 231 at the center of the orifice sheet 23 by the weight of the liquid itself, and then applied to the second electrode 24. At a predetermined frequency voltage, the ultrasonic transducer 2 connected to the electrode 24 generates an ultrasonic wave, thereby causing the orifice sheet 23 connected to the ultrasonic transducer 2 to be radially (perpendicular to the direction of the orifice sheet 23). Oscillation, so that the liquid u near the orifice sheet 23 is subjected to Rayleigh Wave or "surface wave", and the liquid 11 is cut into fine atomizing molecules 4, and is automatically ejected and atomized. When the voltage applied to the electrode 24 is turned off, the liquid 11 can be stopped from continuing to be ejected from the orifice sheet 23. "Advantages of the Invention" (2) The pre-stressing method is applied to the center of the orifice sheet 23 to

(1)利用喷孔片23製作之霧化器來降低液體n霧化 分子4粒徑,且達到粒徑均等大小之微液滴。 以形成梯狀凸 波能量具有集 8 1290839 統平面狀喷孔片之霧化器而言,本發明之特有結構更可發 揮快速霧化之效果。於市場上具有極大之商機,故提出專 利權之申請以尋求專利權之保護。 ' 綜上所述,本發明之結構特徵及各實施例皆已詳細揭 示,而本發明不限定於實施方式中所揭露醫療呼吸給藥霧 化器,舉凡如:加濕控制器、精油之霧化及美容護膚器材, 皆為本發明之可應用領域,而可充分顯示出本發明案在目 的及功效上均深富實施之進步性,極具產業之利用價值, 且為目前市面上前所未見之運用,依專利法之精神所述, ® 本發明案完全符合發明專利之要件。 唯以上所述者,僅為本發明之較佳實施例而已,當不能 以之限定本發明所實施之範圍,即大凡依本發明申請專利 範圍所作之均等變化與修飾,皆應仍屬於本發明專利涵蓋 之範圍内,謹請 貴審查委員明鑑,並祈惠准,是所至 禱。 【圖式簡單說明】 p 圖一係為本發明高效能之霧化器結構的前視結構示意圖。 圖二係為本發明高效能之霧化器結構的剖面側視結構示意 圖0 【主要元件符號說明】 1〜容置槽 11〜液體 12〜0型環 2〜超音波換能器 21、22〜壓電材料 9 1290839 23〜噴孔片 231〜凸島 232〜喷孔 24〜電極 3〜固定裝置 31、32〜固定膠 4〜霧化分子(1) An atomizer made of the orifice sheet 23 is used to reduce the particle size of the liquid n atomized molecules 4, and to reach micro droplets having an equal size. In the case of an atomizer having a trapezoidal convex energy having a planar orifice-shaped orifice sheet, the unique structure of the present invention can exert the effect of rapid atomization. There are great business opportunities in the market, so the application for patent rights is filed to seek protection of patent rights. In summary, the structural features and embodiments of the present invention have been disclosed in detail, and the present invention is not limited to the medical respiratory administration atomizer disclosed in the embodiments, such as: humidification controller, fog of essential oil The chemical and skin care equipments are all applicable fields of the invention, and can fully demonstrate that the invention has deep progress in the purpose and efficacy of the invention, and is highly valuable for the industry, and is currently used in the market. Unexplained use, as stated in the spirit of the patent law, ® The invention is in full compliance with the requirements of the invention patent. The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the equivalent variations and modifications made by the scope of the present invention should still belong to the present invention. Within the scope of the patent, I would like to ask your review committee to give a clear understanding and pray for it. It is the prayer. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic front view showing the structure of a high-performance atomizer of the present invention. Figure 2 is a schematic cross-sectional side view of the high-performance atomizer structure of the present invention. 0 [Main component symbol description] 1~ accommodating groove 11~ liquid 12~0 type ring 2~ ultrasonic transducer 21, 22~ Piezoelectric material 9 1290839 23~ orifice sheet 231~ convex island 232~ orifice 24~electrode 3~fixing device 31,32~fixing glue 4~ atomizing molecule

Claims (1)

1290839 十、申請專利範圍·· L 一種高效能之霧化器結構,其係包括有: • 一超音波換能器,其係連接有一中央處具有一凸島之喷 孔片^亥贺孔片利用超音波換能器内部戶斤母晉之麼雷 材料進行超音波振盪之動作; ΰ 一容置槽,其内部裝置有欲進行霧化之液體;以及 固疋裝置’用以固定超音波換能器於容置槽之一侧。 2·如申請專利範圍第1項所述之高效能之霧化器^吉構,其 鲁 中该壓電材料更係連接有二電極,於二電極上施加一預 疋頻率電壓’與電極相連接之超音波換能器即產生超音 波振盪,並自動喷出及產生霧化之作用,當關閉施加於 電極之電壓時,即可停止液體繼續由噴孔片中喷出。 3·如申請專利範圍第1項所述之高效能之霧化器結構,其 中該凸島係為一應用預應力方式以直接形成梯狀凸起 結構。 4·如申請專利範圍第1項所述之高效能之霧化器結構,其 中该壓電材料係為一錯欽酸錯材料所構成之壓電陶究。 φ 5·如申請專利範圍第1項所述之高效能之霧化器結構,其 中該固定裝置内更係設置有一固定膠,以同時將壓電^才 料及喷孔片做一固定。 6·如申請專利範圍第1項所述之高效能之霧化器結構,其 中該容置槽中靠近喷孔片處更係設置有一〇型環,以^方 制液體自容置槽產生滲漏現象。 7·如申請專利範圍第1項所述之高效能之霧化器結構,其 中該高效能之霧化器係為應用於醫療呼*吸給藥霧化 器、加濕控制器、精油之霧化及美容護膚器材之其中一 者01290839 X. Patent Application Range·· L A high-performance atomizer structure, which includes: • an ultrasonic transducer connected to a orifice sheet having a convex island at the center. Ultrasonic wave oscillating device is used to perform ultrasonic wave oscillating action; ΰ a receiving groove, the internal device has a liquid to be atomized; and the fixing device is used to fix the ultrasonic wave The energy device is on one side of the receiving groove. 2. The high-performance atomizer as described in claim 1 is characterized in that the piezoelectric material is connected to two electrodes, and a pre-frequency voltage is applied to the electrodes to form an electrode phase. The connected ultrasonic transducer generates ultrasonic oscillation, and automatically ejects and generates atomization. When the voltage applied to the electrode is turned off, the liquid can be stopped from being continuously ejected from the orifice sheet. 3. The high-performance atomizer structure according to claim 1, wherein the convex island is a prestressing method to directly form a ladder-like convex structure. 4. The high-performance atomizer structure according to claim 1, wherein the piezoelectric material is a piezoelectric ceramic composed of a wrong acid-correcting material. φ 5· The high-performance atomizer structure according to claim 1, wherein the fixing device is further provided with a fixing glue to simultaneously fix the piezoelectric material and the orifice sheet. 6. The high-performance atomizer structure according to claim 1, wherein the accommodating groove is provided with a 〇-shaped ring near the orifice plate, and the liquid is self-accommodating groove. Leakage. 7. The high-performance atomizer structure according to claim 1, wherein the high-performance atomizer is applied to a medical aspiration nebulizer, a humidification controller, and an essential oil mist. One of the cosmetics and beauty equipment
TW94112355A 2005-04-19 2005-04-19 A high efficiency atomizer structure TWI290839B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW94112355A TWI290839B (en) 2005-04-19 2005-04-19 A high efficiency atomizer structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW94112355A TWI290839B (en) 2005-04-19 2005-04-19 A high efficiency atomizer structure

Publications (2)

Publication Number Publication Date
TW200637621A TW200637621A (en) 2006-11-01
TWI290839B true TWI290839B (en) 2007-12-11

Family

ID=39460337

Family Applications (1)

Application Number Title Priority Date Filing Date
TW94112355A TWI290839B (en) 2005-04-19 2005-04-19 A high efficiency atomizer structure

Country Status (1)

Country Link
TW (1) TWI290839B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI595930B (en) * 2014-06-25 2017-08-21 達爾生技股份有限公司 Spraying device and spraying module
TWI815292B (en) * 2022-01-27 2023-09-11 國立臺灣科技大學 Needle free delivery system and operation method thereof

Also Published As

Publication number Publication date
TW200637621A (en) 2006-11-01

Similar Documents

Publication Publication Date Title
TW200940114A (en) Medical liquid droplet apparatus
JP6537982B2 (en) Atomizer using surface acoustic wave generation
Alvarez et al. Rapid generation of protein aerosols and nanoparticles via surface acoustic wave atomization
CN204601293U (en) atomizer nozzle
JP5395423B2 (en) Ultrasonic atomizer
WO2016118941A1 (en) Ultrasonic vaporizing element
CN203494705U (en) Ultrasonic spraying device for atomizing viscous liquid and suspension
AU2010246904A1 (en) Microfluidic apparatus for the atomisation of a liquid
CN111514451B (en) Ultrasonic atomization-based microneedle cosmetic device
Al-Jumaily et al. On the development of focused ultrasound liquid atomizers
Tsai et al. Faraday instability-based micro droplet ejection for inhalation drug delivery
TWI337555B (en) Liquid nebulization system
TWI290839B (en) A high efficiency atomizer structure
US20060032941A1 (en) Micro droplet generator
EP4268637A1 (en) Atomizer and electronic atomization device
JP2004515353A (en) Ultrasonic atomizer
CN108926759A (en) A kind of atomizing piece nuclear pore membrane and preparation method thereof
EP1762264A1 (en) Ultrasonic nebulizer
Shen A new cymbal-shaped high power microactuator for nebulizer application
Tsai et al. Linear theory on temporal instability of megahertz faraday waves for monodisperse microdroplet ejection
CN101843944A (en) Medical atomization device
Tsai et al. Miniaturized multiple Fourier-horn ultrasonic droplet generators for biomedical applications
JP2023098827A (en) Ultrasonic atomization assembly and ultrasonic atomization device
Tsai et al. Hand-held high-throughput ultrasonic monodisperse aerosol inhalers for detoxification of massive cyanide poisoning
CN202314767U (en) Microporous atomizing device

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees