CN101204698A - Ultrasonic transducer - Google Patents
Ultrasonic transducer Download PDFInfo
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- CN101204698A CN101204698A CNA2006101678794A CN200610167879A CN101204698A CN 101204698 A CN101204698 A CN 101204698A CN A2006101678794 A CNA2006101678794 A CN A2006101678794A CN 200610167879 A CN200610167879 A CN 200610167879A CN 101204698 A CN101204698 A CN 101204698A
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- conducting strip
- supersonic transducer
- vibration
- container
- supersonic
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Abstract
The invention relates to an ultrasonic transducer installed on a container in which a vibration medium is stored. The ultrasonic transducer comprises a first slice-shaped conducting strip, two sides of which are respectively provided with two vibration units; each vibration unit is provided with a vibration part pasted on the first slice-shaped conducting strip; a pile of second slice-shaped conducting strips are positioned on the vibration part; a pile of insulating trips are positioned on the second slice-shaped conducting strips; a pile of covers are positioned on the insulating trips, wherein, a cover is fixedly positioned the outer margin surface. The invention can provide respectively positive and negative alternating current by means of the first and the second conducting strips to ensure that both sides of the vibration part can generate inverse piezoelectric effect thus improving the vibration efficiency thereof; furthermore, by means of the installation of insulating trips, the covers do not conduct electricity easily thus being safer in application.
Description
Technical field
The present invention relates to a kind of transducer, particularly relate to the preferable supersonic transducer of a kind of oscillation power.
Background technology
Supersonic transducer is that a kind of application ultrasonic (being about the above frequency of 20kHz) elastic vibration mode obtains the power supplying apparatus of driving force, generally be to utilize the alternating voltage energising to give piezoelectric ceramics (Piezoelectric Ceramic), and produce supersonic alternately flexible phenomenon.Though its flexible size only reaches several microns (μ m), reach hundreds thousand of inferiorly because per second is flexible, reach several centimetres (cm) so per second is removable, quite meet the demand of industrial circle now and relevant sci-tech product.
Seeing also shown in Figure 1ly, is the user mode schematic diagram of an existing ultrasonic cleaning machine, and the ultrasonic cleaning machine that most supersonic transducers are installed is described.This a kind of ultrasonic cleaning machine 20 that most supersonic transducers 1 are installed, be to produce frequency signal to send out the circuit 21 that shakes, after electric power amplifier 22 amplification, by the piezoelectric ceramics 11 of supersonic transducer 1 wherein the conducting strip 12 of a side form with this electric power amplifier 22 and be electrically connected, so that piezoelectric ceramics 11 produces the ultrasonic vibrating effect of high frequency because of inverse piezoelectric effect, and because supersonic transducer 1 is the bottom surface that is engaged in a container 25, therefore, the ultrasonic vibration meeting that supersonic transducer 1 produced is transmitted to the water liquid 24 in the container 25 via this container 25.When a plurality of cleaning things 23 were soaked in the water liquid 24, each surface of cleaning thing 23 can be subjected to supersonic vibration, and made the removing of dropping of the dirty impurity of body surface.
Yet this ultrasonic cleaning machine 20 but has following shortcoming when reality is used:
(1), oscillation power is relatively poor:
Because this each piezoelectric ceramics 11 is the conducting strip 12 electrical connection electric power amplifiers 22 by the one side, 13 ground connection of the conducting strip of opposite side, therefore, piezoelectric ceramics 11 can only bear single top-cross stream voltage, and opposite side does not just have alternating voltage input, so that make 11 inverse piezoelectric effects that can produce a side of piezoelectric ceramics.
Please cooperate and consult shown in Figure 2ly, be a waveform work schematic diagram, and the working condition of general supersonic transducer is described.When piezoelectric ceramics 11 is logical when giving alternating voltage, its voltage is to be sinusoidal wave to the waveform of time, yet because the conducting strip 13 of piezoelectric ceramics 11 opposite sides is to be ground connection, so have only positive voltage (as figure bend zone) can make these piezoelectric ceramics 11 essence produce vibration, if negative voltage (as figure empty zone) then can make this piezoelectric ceramics 11 stop vibration, the stopping time is moved when causing these piezoelectric ceramics 11 meetings, makes its oscillation power seem relatively poor.
(2), touch this container 25, be easy to generate the electric shock phenomenon:
Because this container 25 generally is made by metal material, and the contact base at supersonic transducer 1 top also is made by metal material, so the electric weight of upside conducting strip 12 just can conduct on the container 25 via contact base, so that container 25 itself also can be charged, when the user touches this container 25, just be easy to generate the electric shock phenomenon.
(3), clean cleaning thing later 23 and attract impurity absorption easily, be not easy to keep clean:
According to leading portion, container 25 itself just has certain electric weight, so that its inner stored water liquid 24 and cleaning thing 23 all can have certain electric weight thereupon, and it is more of a specified duration to clean thing 23 scavenging period in this container 25, the electric weight of its savings is just more and more high, when cleaning thing 23 and from this container 25 in, take out, just adsorb electrical impurity on the contrary easily, cause its surface to be easy to generate dirty and be not easy to keep clean.
(4), when this container 25 uses for a long time, be easy to generate the phenomenon of getting rusty:
When this container 25 and internal water liquid 24 all had certain electric weight, the internal face of this container 25 also was easy to generate the metal electron dissociation, caused inner wall surface thereof loss and produce the problem of getting rusty gradually.
This shows that above-mentioned existing supersonic transducer obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of supersonic transducer of new structure, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Because the defective that above-mentioned existing supersonic transducer exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of supersonic transducer of new structure, make it have more practicality.Through constantly research, design, and, create the present invention who has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
The objective of the invention is to, overcome the defective that existing supersonic transducer exists, and a kind of new preferable supersonic transducer of oscillation power is provided, thereby be suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of supersonic transducer according to the present invention's proposition, installation is located at an interior reservoir and is had on the container that shakes medium, wherein: this supersonic transducer comprises laminar first conducting strip, and two vibration units that are arranged at these first conducting strip both sides respectively, each vibration unit has one and is attached at vibrating member, on this first conducting strip and is stacked at second conducting strip, on this vibrating member and is stacked at insulating trip on this second conducting strip, and a lid that is stacked on this insulating trip, and wherein a lid is to be fixed on the outer edge surface of this container.
The object of the invention to solve the technical problems can also be further achieved by the following technical measures.
Aforesaid supersonic transducer, wherein said each vibrating member is a piezoelectric ceramics.
Aforesaid supersonic transducer, wherein said supersonic transducer also comprise an axostylus axostyle that stretched through this first conducting strip and two vibration units.
Aforesaid supersonic transducer, wherein said supersonic transducer also comprises an insulating sleeve, the material of this axostylus axostyle is a metal, and this insulating sleeve is to be sheathed on this axostylus axostyle, is all intercepted by this insulating sleeve between described first conducting strip, vibrating member, the second conducting strip three and the axostylus axostyle.
Aforesaid supersonic transducer, the two ends of wherein said axostylus axostyle form respectively and are provided with screw thread, are screwed together in the lid of this two vibration unit so that its two ends stretch through respectively.
The present invention compared with prior art has tangible advantage and beneficial effect.By technique scheme, supersonic transducer of the present invention has following advantage and beneficial effect at least:
1, the present invention can be led to respectively by this first, second conducting strip and given different positive and negative alternating currents, makes the both sides of vibrating member all can produce inverse piezoelectric effect, and can improve its vibration efficiency.
2 moreover, the present invention also can be by the setting of insulating trip, make described lid be not easy conduction, it is safer to seem in the use.
In sum, the invention provides a kind of new preferable supersonic transducer of oscillation power, it has above-mentioned plurality of advantages and practical value, no matter bigger improvement is all arranged on product structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing supersonic transducer has the outstanding effect of enhancement, thereby being suitable for practicality more, and having the extensive value of industry, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is an existing ultrasonic cleaning machine user mode schematic diagram, and the ultrasonic cleaning machine that most supersonic transducers are installed is described.
Fig. 2 is a waveform work schematic diagram, and the working condition of general supersonic transducer is described.
Fig. 3 is a user mode schematic diagram, and the preferred embodiment of supersonic transducer of the present invention is described, is installed on the container.
Fig. 4 is an exploded perspective schematic diagram, and the decomposition texture aspect of this preferred embodiment of the present invention is described.
Fig. 5 is a combining structure cutaway view, and the combining structure of aid illustration preferred embodiment of the present invention shown in Figure 4 is analysed and observe aspect.
Fig. 6 is a waveform work schematic diagram, and the working condition of this preferred embodiment is described.
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment of supersonic transducer, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Seeing also shown in Figure 3ly, is that the preferred embodiment of explanation supersonic transducer of the present invention is installed on user mode schematic diagram on the container.The supersonic transducer 3 of preferred embodiment of the present invention, installation is arranged at an interior reservoir to be had on the container 40 of vibrations medium 41, and the periphery of this container 40 can be installed and be provided with most supersonic transducers 3, and is electrically connected with each supersonic transducer 3 formation by external ac power source 42.
See also Fig. 4, shown in Figure 5, Fig. 4 is the STRUCTURE DECOMPOSITION schematic perspective view of this preferred embodiment of the present invention, and Fig. 5 is the combining structure cutaway view of this preferred embodiment.This supersonic transducer 3, comprising stretched through this first conducting strip 31 and two vibration units 32 and its material of vibration unit 32, that laminar first conducting strip 31, two be arranged at these first conducting strip, 31 both sides respectively is the axostylus axostyle 33 of metal, and an insulating sleeve 34 that is sheathed on this axostylus axostyle 33.
This each vibration unit 32 has one and is attached at vibrating member 321, on this first conducting strip 31 and is stacked at second conducting strip 322, on this vibrating member 321 and is stacked at insulating trip 323 on this second conducting strip 322, and one be stacked on this insulating trip 323 and all be by the made lid 324 of metal material, and wherein a lid 324 is to be fixed on the outer edge surface of this container 40,321 of each vibrating members are piezoelectric ceramics, its material can be lead zirconium titanate (PZT), also can be barium titanate (BaTiO3).
The two ends of this axostylus axostyle 33 are formed with screw thread respectively, so that the lid 324 that its two ends stretch through respectively and are screwed together in this two vibration unit 32; This insulating sleeve 34 is to be sheathed on this axostylus axostyle 33, is all intercepted by this insulating sleeve 34 between described first conducting strip 31, vibrating member 321, second conducting strip, 322 threes and the axostylus axostyle 33.
Design by said structure, when starting this supersonic transducer 3, this first, second conducting strip 31,322 can lead to respectively and gives high-frequency positive and negative alternating current, make each vibrating member 321 both sides of supersonic transducer 3 all can produce the ultrasonic vibrating effect of high frequency because of inverse piezoelectric effect, as shown in Figure 6, it is the waveform work schematic diagram of the working condition of this preferred embodiment of explanation, no matter import positive voltage or negative voltage, all can produce the vibrating effect shown in the hatched example areas, so its vibration state can be for continuously, vibration efficiency is preferable; The piezoelectric ceramics 11 of general supersonic transducer 31 has only wherein that a side produces inverse piezoelectric effect in the prior art, the stopping time is moving when causing these piezoelectric ceramics 11 meetings, naturally its oscillation power will seem relatively poor, two compare under, supersonic transducer 3 of the present invention can significantly improve vibration efficiency really, according to the made actual product of the present invention, approximately can promote 30% vibration efficiency.
Please continue to consult Fig. 4, shown in Figure 5, when one cleans in the vibrations medium 41 that thing 42 immerses 40 splendid attires of these containers (generally speaking being to utilize water liquid) as shaking medium 41, just can be by supersonic transducer 3 vibration at high speed, drive to the internal face of container 40, and make vibrations medium 41 produce the fluid oscillation effects, and then make the soil of adhering on these cleaning thing 42 surfaces be vibrated and drop.
Moreover, the lid 324 of this two vibration unit 32 also can be because of the obstruct of insulating trip 323, be not electrically connected and can not form with second conducting strip 322, can not form electriferous state so can guarantee this two lid 324, the related container 40 that contacts with each other with top lid 324 itself also is difficult for charged naturally, generation electric shock phenomenon in the time of can effectively avoiding the user to contact this container 40 whereby.
From the above, because this container 40 itself is not charged, its inner stored vibrations medium 41 can not have electrically naturally yet, and the loss gradually with regard to not producing the metal electron dissociation of the internal face of this container 40 just can guarantee that whereby this container 40 obtains good rust-proof effect.
In addition, when cleaning in these cleaning thing 42 immersion vibrations media 41, because vibrations medium 41 is kept electroneutral, can not make this cleaning thing 42 have positive electricity or negative electricity, when taking out this cleaning thing 42, this cleaning thing 42 just is not easy to adsorb the just electronegative dust impurity in the atmosphere, and can guarantee that the surface keeps cleaning.
Moreover, when unexpected situation that this supersonic transducer 3 in use drops, at this moment, this first, second conducting strip 31,322 still has alternating current to pass through, but because insulating trip 323 obstructs are all arranged, so, also be not easy to produce spark or short circuit phenomenon when even two lids 324 touch ground or other metal objects between outermost two lids 324 and first, second conducting strip 31,322, therefore, this supersonic transducer 3 has suitable security in the use.
Conclude above-mentionedly, supersonic transducer 3 of the present invention can lead to respectively by this first, second conducting strip 31,322 and to give different positive and negative alternating currents, so that the both sides of vibrating member 321 all can produce inverse piezoelectric effect, and can improve its vibration efficiency; Moreover, also can be by the setting of insulating trip 323, so that described lid 324 is not easy conduction, has suitable security in the use, and this container 40 itself reaches inner vibrations medium 41, the 42 neither meetings of cleaning thing form electriferous state, so the user also is not easy to produce the electric shock phenomenon when contacting this container 40, in this container 40, take out when cleaning thing 42 simultaneously, clean thing 42 and also be not easy to adsorb the positive negative electricity impurity dust in the atmosphere and can keep clean effect for a long time, so can reach purpose of the present invention and effect really.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (5)
1. a supersonic transducer is installed on an interior reservoir and has on the container of vibrations medium, it is characterized in that:
This supersonic transducer comprises laminar first conducting strip, and two vibration units that are arranged at these first conducting strip both sides respectively, each vibration unit has one and is attached at vibrating member, on this first conducting strip and is stacked at second conducting strip, on this vibrating member and is stacked at insulating trip on this second conducting strip, and a lid that is stacked on this insulating trip, and wherein a lid is to be fixed on the outer edge surface of this container.
2. supersonic transducer as claimed in claim 1 is characterized in that wherein said each vibrating member is a piezoelectric ceramics.
3. supersonic transducer as claimed in claim 2 is characterized in that wherein said supersonic transducer also comprises an axostylus axostyle that stretched through this first conducting strip and two vibration units.
4. supersonic transducer as claimed in claim 3, it is characterized in that wherein said supersonic transducer also comprises an insulating sleeve, the material of this axostylus axostyle is a metal, this insulating sleeve is to be sheathed on this axostylus axostyle, is all intercepted by this insulating sleeve between described first conducting strip, vibrating member, the second conducting strip three and the axostylus axostyle.
5. supersonic transducer as claimed in claim 4, the two ends that it is characterized in that wherein said axostylus axostyle form respectively and are provided with screw thread, are screwed together in the lid of this two vibration unit so that its two ends stretch through respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101678794A CN101204698A (en) | 2006-12-20 | 2006-12-20 | Ultrasonic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101678794A CN101204698A (en) | 2006-12-20 | 2006-12-20 | Ultrasonic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101204698A true CN101204698A (en) | 2008-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101678794A Pending CN101204698A (en) | 2006-12-20 | 2006-12-20 | Ultrasonic transducer |
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| Country | Link |
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| CN (1) | CN101204698A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080820A (en) * | 2014-12-04 | 2015-11-25 | 湖北瑜晖超声科技有限公司 | Piezoelectric type longitudinal emitting high-power ultrasonic transducer |
| KR102129692B1 (en) * | 2019-01-23 | 2020-07-02 | 박상부 | Vibrator unit for cleaning |
| KR20200093150A (en) * | 2019-01-28 | 2020-08-05 | 주식회사 세운이엔지 | Ultrasonic Vibrator Fixing Structure for Dish Washing Machine |
-
2006
- 2006-12-20 CN CNA2006101678794A patent/CN101204698A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080820A (en) * | 2014-12-04 | 2015-11-25 | 湖北瑜晖超声科技有限公司 | Piezoelectric type longitudinal emitting high-power ultrasonic transducer |
| KR102129692B1 (en) * | 2019-01-23 | 2020-07-02 | 박상부 | Vibrator unit for cleaning |
| KR20200093150A (en) * | 2019-01-28 | 2020-08-05 | 주식회사 세운이엔지 | Ultrasonic Vibrator Fixing Structure for Dish Washing Machine |
| KR102144403B1 (en) * | 2019-01-28 | 2020-08-12 | 주식회사 세운이엔지 | Ultrasonic Vibrator Fixing Structure for Dish Washing Machine |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20080625 |