201032709 六、發明說明： * 【發明所屬之技術領域】 . 本發明是有關於一種超音波應用器具，且特別是有關 於一種可產生多方向性超音波、並適於多種應用之多方向 性超音波產生器。 【先前技術】 超音波產生器是一種能產生超音波的應用器具，所謂 ❹ 的超音波通常係指頻率高於16ΚΗζ之波動能量而言。由於 人類的聽覺對於超音波並不敏感，不會感受到超音波的干 擾，而如蚊蟲、蟑螂或老鼠等之聽覺，卻又能聽見一定音 頻之超音波聲訊，因此，即得以應用超音波產生器，來作 為驅除蚊蟲、蟑螂或老鼠等之驅除器。 一般用來驅除蚊蟲、蟑螂或老鼠等之超音波產生器， 通常是能產生頻率為蚊蟲、蟑螂或老鼠等所畏懼之超音波 的器具，以藉由所產生之超音波，來驅趕蚊蟲、蟑螂或老 @ 鼠，使其離開設置有此一超音波產生器之場所。惟，習知 用來驅除蚊蟲、蟑螂或老鼠等之超音波產生器，其所產生 之超音波通常僅能向前方及/或後方特定角度傳送，所能傳 送之方向與角度均受到極大之限制，以致驅離效果並不如 預期。 超音波產生器的另一種應用稱之為超音波清洗機，習 知之超音波清洗機，通常是在能裝置清洗液之容器的底 面，貼覆或固定有能產生振動超音波之壓電元件，並藉由 容器本身將超音波傳達至容器中之清洗液，激發而產生清 201032709 洗液之空穴效應，達成清洗置放於 ::之超音波清洗機’除了所產:之超音；=方 以變化，使得其;應用範圍= 卜限更因所貼覆之容器難 【發明内容】 有鑑於此，本發明之目的是提供—種 產生器，其可產生多方向性超音波，π二波 老鼠等之驅離效果。 進蚊蟲、蟑螂或 本發明之另一目的是提供—種多 器，除了可作為蚊A、蟑螂或老鼠#之°性超音波產生 應使用者之清洗需求，將其投入裝置有清t外，更可因 容器中，而方便地達成清洗物件之功效二4液之各種不同 為達上述及其他目的，本發明提供一 ;產生器，可適用於接收電源之驅動而產向性超音 2。此多方向性超音波產生器包括 性之寿 :大；，其中，壓電元件用以接收電源c波 波，超音波擴大器具有一弧形牌、， 驅動而產生振動 I向上設置錢靠部，抵靠部弧形開口 件，以便將壓電元件所產^4 夏刖逑之壓電元 向性超音波。 波轉換為所需之多方 實施例t，此多方向性超 大益更包括一圓柱體，而超音波 度生盗之超音波擴 —剖面之半球體’圓柱體連接於“，形體係為具有 球體之中心軸軸向延伸，襞置壓電元㈠面上，並向半 用之抵靠部，則設 201032709 置於圓柱體之末端。 在一實施例中，此多方向性超音波產生器之超音波擴 大器的圓柱體與半球體剖面的半徑相同，並將壓電元件固 定於圓柱體之末端的中心位置。 在一實施例中，此多方向性超音波產生器更包括有壓 板、外罩與固定螺絲，固定螺絲係依序穿過外罩、壓板與 壓電元件，進而將壓電元件鎖固於超音波擴大器之圓柱體 的末端中心位置。 在一實施例中，此多方向性超音波產生器之超音波擴 大器的弧形體包括第一半球體與第二半球體，第一半球體 具有第一剖面，第二半球體具有第二剖面，用以裝置壓電 元件之抵靠部，則分別設置於第一半球體之第一剖面與第 二半球體之第二剖面上。 在一實施例中，此多方向性超音波產生器之第一半球 體的第一剖面與第二半球體的第二剖面半徑相同，且壓電 元件係固定於第一半球體的第一剖面與第二半球體的第二 剖面之中心位置。 在一實施例中，此多方向性超音波產生器更包括一固 定螺絲，用以依序穿過第二半球體與壓電元件後，再鎖入 第一半球體，進而將壓電元件固定於第一半球體的第一剖 面與第二半球體的第二剖面之中心位置。 在一實施例中，此多方向性超音波產生器之超音波擴 大器係為鋁製超音波擴大器，藉以提昇所產生之多方向性 超音波的波動效果。 綜上所述可知，本發明所提供之多方向性超音波產生 201032709 器，相較於習知之蚊蟲、蟑螂或老鼠等之驅除器而言丨由 於能產生多方向性超音波，使得所發出之超音波聲訊，不 - 再受限於局部之方向和角度，故可大幅提高蚊蟲、蟑螂或 老鼠等之驅離效果。此外，由於此一多方向性超音波產生 '器之結構特性，能夠因應使用者之不同需求，而方便地將 其投入裝置有清洗液之各種不同容器中，成為清洗效果良 好之超音波清洗器，故其具有多用途之應用能力。 為讓本發明之上述和其他目的、特徵、和優點能更明 ® 顯易懂，下文特以較佳實施例，並配合所附圖式，作詳細 說明如下： 【實施方式】 請參圖1至圖3所示，其為根據本發明第一實施例之 一種多方向性超音波產生器圖示，圖中，此多方向性超音 波產生器10包括：超音波擴大器11、壓電元件12、壓板 13、外罩14及固定螺絲15。 @ 其中，壓電元件12例如是一陶瓷壓電元件，以接收外 部電源（未繪示）之驅動而產生振動波。使用之外部電源 的交變頻率，較佳地係等於壓電元件12與超音波擴大器 11的共振頻率，藉以提昇此多方向性超音波產生器10的 能量轉換效能。超音波擴大器11例如係為鋁製，其如圖所 示地具有一弧形體111，弧形體111可以是具有圓弧形、 拋物線形或雙曲線形等各種弧形曲面之球體，以便可以將 壓電元件12所產生之振動波，轉換而產生多方向性之超音 波。 201032709 圖中’超音波擴大器11之弧形體111，係為具有一剖 面117之半球體，半球體的剖面上，並連接有向半球體的 弧形開口與中心轴軸向延伸之圓柱體112，圓柱體π 2的 半徑較佳地係與半球體的剖面半徑相同，以便提供平滑之 半球體與圓柱體112的連接面。此外，圓柱體112的末端 114設置有裝置壓電元件12用之抵靠部113，抵靠部U3 的中心位置具有一固定柱115,固定柱115遠離抵靠部113 之一端’則設置有一螺孔116，用以鎖固壓電元件12。 如圖所示，由於實施例中使用之壓電元件][2係為陶瓷 壓電元件，而陶瓷壓電元件之應力耐受能力通常並不佳， 因此，乃藉由圖中之壓板13作為緩衝，以緩和固定螺絲 15鎖合時之應力，避免損壞壓電元件12。 組裝時係將塵電元件12之中心孔121，對準套入超 音波擴大器11之固定柱115，再將壓板13之中心孔131 與外罩14之中心孔141，依序對準套入超音波擴大器η 之固定柱115，然後將固定螺絲15依序穿過外罩14、壓板 13與壓電元件12,鎖合於固定柱η5之螺孔U6中，而得 以將壓電元件12鎖固於超音波擴大器u.之圓柱體112的 末端114中心位置。 實施例中，壓板13係如前述地作為固定螺絲15與壓 電件12間之緩衝材’用以緩和固定螺絲15鎖合時之應 力，避免損壞壓電元件12。因此，如採用黏膠而非鎖固方 式，來將壓電元件12直接黏合於超音波擴大器η時，則 固疋螺絲15與壓板13均可以省略。另外，圖中之外罩 也只是為了美化此多方向性超音波產生器1〇的外觀，於功 201032709 能上而言，亦無必要而得以省略，超音波擴大器11之弧形 體111，則可以是自球體任意切離，而包含大於或小於一 半之部分球體的半球體。 請參圖4至圖6所示，其為根據本發明第二實施例之 一種多方向性超音波產生器圖示，圖中，此多方向性超音 波產生器40除了包括壓電元件43及固定螺絲44外，其超 音波擴大器則由鋁製之第一半球體41與第二半球體42等 弧形體所構成。 其中，第一半球體41具有第一剖面411，第一剖面411 係作為裝置壓電元件43之抵靠部，其中心位置設置有螺孔 412，而第二半球體42則具有第二剖面421，第二剖面421 亦係作為裝置壓電元件43之抵靠部，其中心位置則設置有 中心孔422。 — 實施例中，第一半球體41的第一剖面411與第二半球 體42的第二剖面421半徑相同，並使用固定螺絲44依序 穿過第二半球體42之中心孔422與壓電元件43之中心孔 431後，再鎖入第一半球體41之螺孔412中，進而將壓電 元件43固定於第一半球體41的第一剖面411與第二半球 體42的第二剖面421之中心位置。 與第一實施例相同地，第一半球體41與第二半球體 42，可以是具有圓弧形、拋物線形或雙曲線形等各種弧形 曲面之球體，其大小則可以是自球體任意切離，而包含大 於或小於一半之部分球體之半球體。 雖然本發明已以較佳實施例揭露如上，然其並非用以 限定本發明，任何熟習此技藝者，在不脫離本發明之精神 8 201032709 【圖式簡單說明】 根據本發明第—實施例之—種多方向性超 晋波產生器組合圖。 〜 圖2係顯示圖i之多方向性超音波產生器的分解圖。 圖3係顯示圖1之多方向性超音波產生器的剖視圖。 圖4係顯示根據本發明第二實施例之一種多方向性 音波產生器組合圖。 ° 圖5係顯示圖4之多方向性超音波產生器的剖視圖。 .圖6係顯不圖4之多方向性超音波產生器的分解圖。 【主要元件符號說明】 10、40多方向性超音波產生器 11超音波擴大器 ill弧形體 112圓柱體 113抵靠部 114末端 115固定柱 116 ' 412 螺孔 117剖面 12、43壓電元件 9 201032709 121、131、U卜 422、431 中心孔 13壓板 14外罩 15、44固定螺絲 41第一半球體 411第一剖面 42第二半球體 421第二剖面 10201032709 VI. Description of the invention: * [Technical field to which the invention pertains] The present invention relates to an ultrasonic application apparatus, and more particularly to a multi-directional supersonic which can generate multi-directional ultrasonic waves and is suitable for various applications. Sound generator. [Prior Art] The ultrasonic generator is an application device capable of generating ultrasonic waves, and the so-called ultrasonic waves generally refer to fluctuation energy having a frequency higher than 16 。. Since human hearing is not sensitive to ultrasonic waves, it does not feel the interference of ultrasonic waves, and the hearing of mosquitoes, baboons or mice can hear the ultrasonic sound of certain audio, so the ultrasonic wave can be applied. Used as a repellent for repelling mosquitoes, cockroaches or mice. Ultrasonic generators used to repel mosquitoes, cockroaches, or mice, usually those that produce fearful ultrasonic waves such as mosquitoes, cockroaches, or mice, to drive away mosquitoes and cockroaches by the resulting ultrasonic waves. Or old @ rat, leaving it to the place where this ultrasonic generator is set. However, ultrasonic transducers, which are conventionally used to repel mosquitoes, cockroaches or rats, usually produce ultrasonic waves that can only be transmitted to specific angles in front and/or rear, and the directions and angles that can be transmitted are greatly limited. So that the eviction effect is not as expected. Another application of the ultrasonic generator is called an ultrasonic cleaning machine. The conventional ultrasonic cleaning machine is usually provided on the bottom surface of a container capable of installing a cleaning liquid, and a piezoelectric element capable of generating a vibration ultrasonic wave is attached or fixed. And by the container itself, the ultrasonic wave is transmitted to the cleaning liquid in the container, and the cavitation effect of the 201032709 washing liquid is generated, and the ultrasonic cleaning machine placed in the :: supersonic cleaning machine is produced. The object is changed so that the application range = the limit is more difficult because of the container to be attached. [Invention] In view of the above, the object of the present invention is to provide a generator capable of generating multi-directional ultrasonic waves, π The driving effect of the wave mouse and so on. Into the mosquitoes, cockroaches or another object of the present invention is to provide a multi-purpose device, in addition to being used as a mosquito A, sputum or mouse #° ultrasonic wave generation to the user's cleaning needs, put it into the device to clear t, Further, the effect of cleaning the object can be conveniently achieved in the container. In order to achieve the above and other objects, the present invention provides a generator which can be adapted to receive power supply and produce a supersonic sound. The multi-directional ultrasonic generator includes a life span: large; wherein, the piezoelectric element is used to receive the power c wave, the ultrasonic amplifier has an arc-shaped card, and the vibration is generated to generate the money. Abutting the arcuate opening member to piezoelectrically illuminate the piezoelectric element of the piezoelectric element. The wave is converted into the required multi-part embodiment t, and the multi-directional super-large benefits include a cylinder, and the hypersonic expansion of the supersonic snail--the hemisphere of the profile is connected to the cylinder, and the shape system has a sphere. The central axis extends axially, and the piezoelectric element (1) is placed on the surface of the piezoelectric element, and is placed at the end of the cylinder. In one embodiment, the multi-directional ultrasonic generator is The cylinder of the ultrasonic amplifier has the same radius as that of the hemisphere, and fixes the piezoelectric element at the center of the end of the cylinder. In an embodiment, the multi-directional ultrasonic generator further includes a pressure plate and a cover. And the fixing screws and the fixing screws are sequentially passed through the outer cover, the pressing plate and the piezoelectric element, thereby locking the piezoelectric element to the center position of the end of the cylinder of the ultrasonic amplifier. In an embodiment, the multi-directional super The arc body of the ultrasonic amplifier of the sound wave generator includes a first hemisphere and a second hemisphere, the first hemisphere has a first cross section, and the second hemisphere has a second cross section for abutting the piezoelectric element The first section is disposed on the first section of the first hemisphere and the second section of the second hemisphere. In one embodiment, the first section of the first hemisphere of the multi-directional ultrasonic generator and the first section The second section has the same radius of the second section, and the piezoelectric element is fixed to the center of the first section of the first hemisphere and the second section of the second hemisphere. In an embodiment, the multi-directional ultrasonic wave The generator further includes a fixing screw for sequentially passing through the second hemisphere and the piezoelectric element, and then locking the first hemisphere, thereby fixing the piezoelectric element to the first section and the second of the first hemisphere. The central position of the second section of the hemisphere. In one embodiment, the ultrasonic amplifier of the multi-directional ultrasonic generator is an aluminum ultrasonic amplifier for increasing the undulating ultrasonic wave generated. In summary, it can be seen that the multi-directional ultrasonic wave provided by the present invention generates 201032709, which is capable of generating multi-directional ultrasonic waves due to the use of a conventional mosquito, cockroach or mouse repellent. hair The ultrasonic sound, not-restricted by the local direction and angle, can greatly improve the eviction effect of mosquitoes, cockroaches or mice. In addition, due to the multi-directional ultrasonic generation, the structural characteristics of the device can In order to facilitate the user's different needs, and conveniently put it into various containers with cleaning liquid, it is a supersonic cleaner with good cleaning effect, so it has multi-purpose application ability. To make the above and other aspects of the present invention The objects, features, and advantages will be more apparent and obvious. The following detailed description of the preferred embodiments and the accompanying drawings are as follows: [Embodiment] Referring to FIG. 1 to FIG. 3, it is A multi-directional ultrasonic generator according to a first embodiment of the present invention, wherein the multi-directional ultrasonic generator 10 includes an ultrasonic amplifier 11, a piezoelectric element 12, a pressure plate 13, and a cover 14 Fixing screw 15. @ The piezoelectric element 12 is, for example, a ceramic piezoelectric element that generates a vibration wave by being driven by an external power source (not shown). The alternating frequency of the external power source used is preferably equal to the resonant frequency of the piezoelectric element 12 and the ultrasonic amplifier 11, thereby improving the energy conversion efficiency of the multi-directional ultrasonic generator 10. The ultrasonic amplifier 11 is, for example, made of aluminum, and has an arcuate body 111 as shown in the figure. The arcuate body 111 may be a sphere having various arcuate surfaces such as a circular arc, a parabola or a hyperbola. The vibration wave generated by the piezoelectric element 12 can be converted to generate a multi-directional ultrasonic wave. 201032709 The arcuate body 111 of the 'ultrasonic amplifier 11' is a hemisphere having a section 117, a section of the hemisphere connected to a cylinder extending axially toward the hemisphere and extending axially from the central axis. 112. The radius of the cylinder π 2 is preferably the same as the radius of the section of the hemisphere so as to provide a connection surface between the smooth hemisphere and the cylinder 112. In addition, the end portion 114 of the cylinder 112 is provided with an abutting portion 113 for the piezoelectric element 12, and a central portion of the abutting portion U3 has a fixing post 115, and the fixing post 115 is disposed away from the one end of the abutting portion 113. A hole 116 is used to lock the piezoelectric element 12. As shown in the figure, since the piezoelectric element used in the embodiment] [2 is a ceramic piezoelectric element, the stress tolerance of the ceramic piezoelectric element is generally not good, and therefore, the pressure plate 13 in the figure is used as The cushioning is used to alleviate the stress when the fixing screws 15 are locked, thereby avoiding damage to the piezoelectric element 12. When assembling, the center hole 121 of the dust electric component 12 is aligned and inserted into the fixing post 115 of the ultrasonic amplifier 11, and then the center hole 131 of the pressing plate 13 and the center hole 141 of the outer cover 14 are sequentially aligned and inserted into the super hole. The fixing post 115 of the sonic amplifier η, then the fixing screw 15 is sequentially passed through the outer cover 14, the pressing plate 13 and the piezoelectric element 12, and is locked in the screw hole U6 of the fixing post η5, thereby locking the piezoelectric element 12 At the center of the end 114 of the cylinder 112 of the ultrasonic amplifier u. In the embodiment, the pressure plate 13 is used as a cushioning material between the fixing screw 15 and the piezoelectric member 12 as described above to alleviate the stress when the fixing screw 15 is locked, thereby avoiding damage to the piezoelectric element 12. Therefore, if the piezoelectric element 12 is directly bonded to the ultrasonic amplifier η by using a glue instead of a locking method, both the fixing screw 15 and the pressure plate 13 can be omitted. In addition, the outer cover in the figure is only for the purpose of beautifying the appearance of the multi-directional ultrasonic generator 1〇, and it is omitted in the power 201032709, and the curved body 111 of the ultrasonic amplifier 11 is It may be a hemisphere that is arbitrarily cut away from the sphere and contains more or less than half of the sphere. Referring to FIG. 4 to FIG. 6 , which is a multi-directional ultrasonic generator according to a second embodiment of the present invention, the multi-directional ultrasonic generator 40 includes a piezoelectric element 43 and Outside the fixing screw 44, the ultrasonic amplifier is composed of an arc-shaped body such as a first hemisphere 41 made of aluminum and a second hemisphere 42. The first hemisphere 41 has a first cross section 411. The first cross section 411 serves as an abutting portion of the device piezoelectric element 43 and has a screw hole 412 at a central position thereof, and the second hemisphere 42 has a second cross section 421. The second section 421 is also used as an abutting portion of the device piezoelectric element 43, and a central hole 422 is provided at a central position thereof. In the embodiment, the first section 411 of the first hemisphere 41 has the same radius as the second section 421 of the second hemisphere 42 and sequentially passes through the central hole 422 and the piezoelectric of the second hemisphere 42 using the fixing screws 44. After the center hole 431 of the element 43 is locked into the screw hole 412 of the first hemisphere 41, the piezoelectric element 43 is fixed to the first section 411 of the first hemisphere 41 and the second section of the second hemisphere 42. The central location of 421. Similarly to the first embodiment, the first hemisphere 41 and the second hemisphere 42 may be spheres having various curved surfaces such as a circular arc, a parabola or a hyperbola, and the size may be freely cut from the sphere. A hemisphere that contains more or less than half of the sphere. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and those skilled in the art, without departing from the spirit of the present invention, 8 201032709 [Simplified description of the drawings] According to the first embodiment of the present invention - A multi-directional super-wave generator combination diagram. ~ Figure 2 is an exploded view showing the multi-directional ultrasonic generator of Figure i. 3 is a cross-sectional view showing the multidirectional ultrasonic generator of FIG. 1. Fig. 4 is a view showing a combination of a multi-directional sound wave generator according to a second embodiment of the present invention. Figure 5 is a cross-sectional view showing the multidirectional ultrasonic generator of Figure 4. Figure 6 is an exploded view of the multi-directional ultrasonic generator of Figure 4. [Major component symbol description] 10, 40 multi-directional ultrasonic generator 11 ultrasonic amplifier ill arc body 112 cylinder 113 abutment portion 114 end 115 fixed post 116 ' 412 screw hole 117 profile 12, 43 piezoelectric element 9 201032709 121, 131, U 422, 431 Center hole 13 pressure plate 14 cover 15, 44 fixing screw 41 first hemisphere 411 first section 42 second hemisphere 421 second section 10