CN113546830A - Novel ultrasonic transducer - Google Patents
Novel ultrasonic transducer Download PDFInfo
- Publication number
- CN113546830A CN113546830A CN202110933605.6A CN202110933605A CN113546830A CN 113546830 A CN113546830 A CN 113546830A CN 202110933605 A CN202110933605 A CN 202110933605A CN 113546830 A CN113546830 A CN 113546830A
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- China
- Prior art keywords
- connecting block
- block
- ultrasonic transducer
- electrode sheet
- height
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- Legal status (The legal status 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 status listed.)
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- 239000000919 ceramic Substances 0.000 claims abstract description 27
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052745 lead Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims 1
- 229910052748 manganese Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N12/00—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
- A23N12/02—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for washing or blanching
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/02—Washing or rinsing machines for crockery or tableware with circulation and agitation of the cleaning liquid in the cleaning chamber containing a stationary basket
- A47L15/13—Washing or rinsing machines for crockery or tableware with circulation and agitation of the cleaning liquid in the cleaning chamber containing a stationary basket using sonic or ultrasonic waves
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
Abstract
本发明公开了一种新型超声波换能器，属于换能器技术领域，包括由锁紧螺丝从上至下依次穿过第一连接块、绝缘筒与第二连接块锁紧连接，所述第一连接块直径为￠45mm，高度为6‑8mm，所述第二连接块上下直径分别为￠45mm、￠55mm，高度为12‑14mm，且所述第二连接块底部向上的直边高度为3mm,所述换能组件高度为10.6mm，所述第一连接块和第二连接块采用材质为AL‑7060航空铝型材制成，所述换能组件包括第一电极片和第二电极片的厚度均为0.3mm的金属片，所述第一压电陶瓷和第二压电陶瓷的材质均为PZT‑82，厚度均为5mm。本发明的换能器具有体积小，噪音低，耗电量减少的换能器，其占用空间少，结构简单，且适用窄小空间的装配，拓宽了结构设计空间，提升了用户使用的频次。
The invention discloses a novel ultrasonic transducer, which belongs to the technical field of transducers. The diameter of a connecting block is ￠45mm, the height is 6‑8mm, the upper and lower diameters of the second connecting block are ￠45mm and ￠55mm, respectively, and the height is 12‑14mm, and the height of the upward straight edge from the bottom of the second connecting block is 3mm, the height of the transducer assembly is 10.6mm, the first connection block and the second connection block are made of AL-7060 aviation aluminum profiles, and the transducer assembly includes a first electrode sheet and a second electrode sheet The thickness of the first piezoelectric ceramics and the second piezoelectric ceramics are both PZT-82, and the thicknesses are both 5mm. The transducer of the present invention has the advantages of small volume, low noise and reduced power consumption, occupies less space, has a simple structure, is suitable for assembly in a narrow space, widens the structural design space, and increases the frequency of use by users .
Description
Technical Field
The invention belongs to the technical field of transducers, and relates to a novel ultrasonic transducer.
Background
The ultrasonic transducer provides electric energy to the transducer through the control circuit, the transducer converts the electric energy with certain frequency into mechanical energy with the same frequency, called ultrasonic for short, when the ultrasonic wave passes through a liquid medium, the liquid medium is pressed by the ultrasonic wave with certain frequency to generate vibration, and liquid molecules generate shock waves with positive and negative alternation.
However, no matter the ultrasonic frequency of the existing transducers on the market is 28kHz or 40kHz, the existing transducers have certain noise, the size is phi 55mm x 52mm, the longer size enables the size of the transducer to be larger, and the transducers occupy certain structural space, so that the design of a mini product is difficult to be suitable for the installation of the large-size transducer, the power consumption is 50-100W, the electricity consumption cost is high, and the structural design of the product and the frequency of use of a user are affected.
Disclosure of Invention
The invention provides a novel ultrasonic transducer, which aims to solve the problems in the prior art, so that the transducer has small volume and low noise, can be suitable for a narrow and small space for assembly, and can achieve the same or better ultrasonic effect as the traditional transducer.
In order to achieve the above object, the present invention provides a novel ultrasonic transducer, which comprises a first connecting block, a second connecting block, a transducing assembly, an insulating cylinder and a locking screw, the first connecting block is provided with a first through hole, the second connecting block is provided with an inner screw blind hole, the energy conversion component is provided with a second through hole, an insulating cylinder is sleeved in the second through hole, the locking screw sequentially penetrates through the first connecting block, the insulating cylinder and the second connecting block from top to bottom, and is locked and connected with the inner screw blind hole, the diameter of the first connecting block is phi 45mm, the height of the first connecting block is 6-8mm, the second connecting block is in a conical structure, phi 45mm and phi 55mm in upper and lower diameter, respectively, and 12-14mm in height, the height of the upward straight edge of the bottom of the second connecting block is 3mm, the height of the transducer assembly is 10.6mm, the first connecting block and the second connecting block are made of AL-7060 aviation aluminum profiles. The energy conversion assembly comprises a first electrode plate, first piezoelectric ceramics, a second electrode plate and second piezoelectric ceramics which are assembled from top to bottom in sequence, the thickness of the first electrode plate and the thickness of the second electrode plate are both metal sheets of 0.3mm, the material of the first piezoelectric ceramics and the material of the second piezoelectric ceramics are both PZT-82, and the thickness of the first piezoelectric ceramics and the thickness of the second piezoelectric ceramics are both 5 mm.
Preferably, the left end of the first electrode plate is provided with a first connecting sheet extending outwards, the right end of the second electrode plate is provided with a second connecting sheet extending outwards, and the first connecting sheet and the second connecting sheet are both provided with mounting holes.
Preferably, the first connecting sheet and the second connecting sheet are both made of copper.
Preferably, the lower end of the first connecting block is provided with a first circular groove, the upper end of the second connecting block is provided with a second circular groove, and the upper end and the lower end of the insulating cylinder are respectively inserted and tightly abutted against the first circular groove and the second circular groove.
Preferably, the upper end of the first connecting block is provided with a countersunk hole for avoiding a locking screw, and the head of the locking screw is an inner concave hexagonal hole.
Preferably, the outer surfaces of the first connecting block and the second connecting block are smooth.
Preferably, the first connecting block and the second connecting block are made of AL-7060 aviation aluminum profiles, and the first connecting block and the second connecting block are composed of the following elements in percentage by weight: cu: 1.9% -2.3%, Mg: 1.4% -1.8%, Cr: 0.15% -0.25%, Zn: 6.1-7.5%, less than or equal to 0.15% of Si, less than or equal to 0.20% of Fe, less than or equal to 0.20% of Mn, less than or equal to 0.05% of Ti, Zr: 0.5 percent of Pb, 0.003 percent of Pb and the balance of AL.
Preferably, the tensile strength of the first and second connecting blocks is: 250Rm/Mpa-550Rm/Mpa, yield strength: 140Rp0.2/Mpa-495Rp0.2/Mpa, elongation: 5% -11%, surface hardness: 65HB-150 HB.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a novel ultrasonic transducer, which is formed by improving the structural size of the transducer, has small volume, low noise and reduced power consumption, can achieve the same service performance of the traditional transducer, occupies less space, has simple structure, is suitable for assembly in narrow space, widens the structural design space and improves the use frequency of users.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic perspective view of a novel ultrasonic transducer according to the present invention;
FIG. 2 is a schematic diagram of a top view of the novel ultrasonic transducer of the present invention;
FIG. 3 is a schematic cross-sectional exploded view of the novel ultrasonic transducer of the present invention;
FIG. 4 is a schematic perspective exploded view of the novel ultrasonic transducer of the present invention;
FIG. 5 is a schematic diagram of a dimensional structure of the novel ultrasonic transducer of the present invention;
FIG. 6 is a schematic diagram of an assembly structure of the novel ultrasonic transducer of the present invention;
description of the drawings:
1. a first connection block; 101. a first through hole; 102. a first circular groove; 103. a countersunk hole; 2. a second connecting block; 201. blind holes for internal threads; 202. a second circular groove; 3. a transducer assembly; 301. a first electrode sheet; 302. a first piezoelectric ceramic; 303. a second electrode sheet; 304. a second piezoelectric ceramic; 305. a first connecting piece; 306. a second connecting sheet; 307. mounting holes; 4. an insulating cylinder; 5. locking screws; 501. an inner concave hexagonal hole; 6. a second via.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In order to achieve the above object, an embodiment of the present invention provides a novel ultrasonic transducer, which is shown in fig. 1 to 5, and includes a first connection block 1, a second connection block 2, a transducer assembly 3, an insulation cylinder 4, and a locking screw 5, where the first connection block 1 is provided with a first through hole 101, the second connection block 2 is provided with an internal screw blind hole 201, the transducer assembly 3 is provided with a second through hole 6, the insulation cylinder 4 is sleeved in the second through hole 6, the locking screw 5 sequentially passes through the first connection block 1, the insulation cylinder 4, and the second connection block 2 from top to bottom and is in locking connection with the internal screw blind hole 201, the first connection block 1 has a diameter D1 ═ 45mm and a height H1 ═ 6 to 8mm, the second connection block 2 has a tapered structure, the upper and lower diameters thereof are D1 ═ 45mm, D2 ═ 55mm, and the height H2 ═ 12 to 14mm, and the ascending straight flange height in second connecting block 2 bottom is 3mm for H3, the high 10.6mm that is of transducer assembly 3, first connecting block 1 and second connecting block 2 adopt the material to make for AL-7060 aviation aluminium alloy. The transducer assembly 3 comprises a first electrode plate 301, a first piezoelectric ceramic 302, a second electrode plate 303 and a second piezoelectric ceramic 304 which are sequentially assembled from top to bottom, wherein the thicknesses of the first electrode plate 301 and the second electrode plate 303 are both H4-0.3 mm metal sheets, the materials of the first piezoelectric ceramic 302 and the second piezoelectric ceramic 304 are both PZT-82, and the thicknesses of the first piezoelectric ceramic 302 and the second piezoelectric ceramic 304 are both H5-5 mm.
In this embodiment, adopt the transducer that above-mentioned structure size and material were made for 40 kHz's ultrasonic frequency compares traditional phi 55mm 52 mm's transducer, has small, and the noise is low, and the transducer that power consumption reduces can reach the same performance of traditional transducer, and its occupation space is few, simple structure, and the assembly that is suitable for narrow space has widened the structural design space, has promoted the frequency that the user used.
The first piezoelectric ceramic 302 and the second piezoelectric ceramic 304 are both PZT-82, which is an information functional ceramic material capable of converting mechanical energy and electrical energy into each other, and has a piezoelectric effect, and the first piezoelectric ceramic 302 and the second piezoelectric ceramic 304 have dielectric properties, elasticity, and the like in addition to piezoelectric properties. The first piezoelectric ceramic 302 and the second piezoelectric ceramic 304 are manufactured by using PZT-82 materials to cause the centers of positive and negative charges in the materials to relatively displace and polarize under the action of mechanical stress through the first electrode plate 301 and the second electrode plate 303, so that bound charges with opposite signs appear on the surfaces of two ends of the materials, namely the piezoelectric effect, and the piezoelectric ceramic has sensitive characteristics.
In an embodiment, referring to fig. 6, a stainless steel ultrasonic wave plate is welded and fixed on one surface of the second connecting block 2 of the transducer, and the transducer can be installed in a fruit and vegetable cleaning machine, a dish washing machine and other devices, a control circuit connected with the transducer provides electric energy for the transducer, the transducer converts the electric energy with a certain frequency into mechanical energy with the same frequency, for short, ultrasonic waves, and when the ultrasonic waves pass through a liquid medium, the liquid medium is pressed with a certain frequency to generate vibration, so that liquid molecules generate impact waves with positive and negative alternation, and then the dirt on fruits, vegetables and food can be destroyed and removed, and the working efficiency is improved.
Further, a first connecting sheet 305 extending outwards is arranged at the left end of the first electrode sheet 301, a second connecting sheet 306 extending outwards is arranged at the right end of the second electrode sheet 303, and mounting holes 307 are formed in the first connecting sheet 305 and the second connecting sheet 306.
Further, the first connecting piece 305 and the second connecting piece 306 are both made of copper.
Further, the lower end of the first connecting block 1 is provided with a first circular groove 102, the upper end of the second connecting block 2 is provided with a second circular groove 202, and the upper end and the lower end of the insulating cylinder 4 are respectively inserted and tightly abutted against the first circular groove 102 and the second circular groove 202.
Further, the upper end of the first connecting block 1 is provided with a counter bore 103 for avoiding a locking screw 5, and the head of the locking screw 5 is an inner concave hexagonal hole 501.
Further, the outer surfaces of the first connecting block 1 and the second connecting block 2 are smooth.
Further, the first connecting block 1 and the second connecting block 2 are made of AL-7060 aviation aluminum profiles, and the first connecting block and the second connecting block are composed of the following elements in percentage by weight: cu: 1.9% -2.3%, Mg: 1.4% -1.8%, Cr: 0.15% -0.25%, Zn: 6.1-7.5%, less than or equal to 0.15% of Si, less than or equal to 0.20% of Fe, less than or equal to 0.20% of Mn, less than or equal to 0.05% of Ti, Zr: 0.5 percent of Pb, 0.003 percent of Pb and the balance of AL.
Further, the tensile strength of the first connecting block 1 and the second connecting block 2 is 250Rm/Mpa-550Rm/Mpa, the yield strength is: 140Rp0.2/Mpa-495Rp0.2/Mpa, elongation: 5% -11%, surface hardness: 65HB-150 HB.
The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. Other embodiments of the invention will occur to those skilled in the art without the exercise of inventive faculty, and such will fall within the scope of the invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110933605.6A CN113546830A (en) | 2021-08-14 | 2021-08-14 | Novel ultrasonic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110933605.6A CN113546830A (en) | 2021-08-14 | 2021-08-14 | Novel ultrasonic transducer |
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| Publication Number | Publication Date |
|---|---|
| CN113546830A true CN113546830A (en) | 2021-10-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110933605.6A Pending CN113546830A (en) | 2021-08-14 | 2021-08-14 | Novel ultrasonic transducer |
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| CN (1) | CN113546830A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050109368A1 (en) * | 2003-09-08 | 2005-05-26 | Goodson J. M. | Cleaning tank with sleeved ultrasonic transducer |
| US20170325864A1 (en) * | 2014-11-27 | 2017-11-16 | Dalian University Of Technology | Pzt transducer-horn integrated ultrasonic driving structure |
| CN108536963A (en) * | 2018-04-10 | 2018-09-14 | 哈尔滨理工大学 | A kind of design method of hollow sandwich piezoelectric ceramic transducer |
| CN209923304U (en) * | 2019-04-24 | 2020-01-10 | 深圳市康得森电器有限公司 | Ultrasonic generator and wine aging device |
| CN218775096U (en) * | 2021-08-14 | 2023-03-31 | 深圳市礼家电器科技有限公司 | Novel ultrasound wave transducer |
-
2021
- 2021-08-14 CN CN202110933605.6A patent/CN113546830A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050109368A1 (en) * | 2003-09-08 | 2005-05-26 | Goodson J. M. | Cleaning tank with sleeved ultrasonic transducer |
| US20170325864A1 (en) * | 2014-11-27 | 2017-11-16 | Dalian University Of Technology | Pzt transducer-horn integrated ultrasonic driving structure |
| CN108536963A (en) * | 2018-04-10 | 2018-09-14 | 哈尔滨理工大学 | A kind of design method of hollow sandwich piezoelectric ceramic transducer |
| CN209923304U (en) * | 2019-04-24 | 2020-01-10 | 深圳市康得森电器有限公司 | Ultrasonic generator and wine aging device |
| CN218775096U (en) * | 2021-08-14 | 2023-03-31 | 深圳市礼家电器科技有限公司 | Novel ultrasound wave transducer |
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