CN111195629A - Square piezoelectric ceramic piece for ultrasonic cleaning and ultrasonic cleaning machine - Google Patents
Square piezoelectric ceramic piece for ultrasonic cleaning and ultrasonic cleaning machine Download PDFInfo
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- CN111195629A CN111195629A CN202010018180.1A CN202010018180A CN111195629A CN 111195629 A CN111195629 A CN 111195629A CN 202010018180 A CN202010018180 A CN 202010018180A CN 111195629 A CN111195629 A CN 111195629A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 82
- 238000004506 ultrasonic cleaning Methods 0.000 title claims abstract description 40
- 229920001342 Bakelite® Polymers 0.000 claims description 4
- 239000004637 bakelite Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 description 5
- 239000012459 cleaning agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
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- 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
- B06B1/0644—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 using a single piezoelectric element
- B06B1/0648—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 using a single piezoelectric element of rectangular shape
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention relates to a square piezoelectric ceramic piece for ultrasonic cleaning and an ultrasonic cleaning machine, wherein the square piezoelectric ceramic piece is square and forms a length size, a width size and a thickness size, the length size forms a length frequency and a length power, the width size forms a width frequency and a width power, the thickness size forms a thickness frequency and a thickness power, one of the length size, the length size and the thickness size is output power, and at least one of the rest two is vibration frequency. The ceramic wafer has the advantages of being more advantageous in frequency selection, capable of outputting high output power while ensuring high-frequency work, namely capable of ensuring high frequency for vibration frequency in the width direction and ensuring high output power in the length direction, wider in bandwidth and better in working stability. When the tank body of the cleaning machine is square, the ultrasonic field in the tank can be more uniform, the cleaning blind areas are less, and the cleaning effect is better.
Description
Technical Field
The invention relates to the technical field of ultrasonic cleaning equipment, in particular to a square piezoelectric ceramic piece for ultrasonic cleaning and an ultrasonic cleaning machine.
Background
The piezoelectric ceramic plate is a core component for ultrasonic cleaning and is a functional element for generating ultrasonic vibration. With the development of ultrasonic cleaning technology, ultrasonic cleaning has gone into thousands of households. The requirements for ultrasonic cleaning are also increasing. High output power, low noise and high stability are required in terms of performance; the experience is required to be light and small. Ultrasonic waves with the frequency of 20000Hz or higher per second can be generated during ultrasonic cleaning, the cleaning agent can generate strong cavitation accompanied with high-speed micro-jet by high-amplitude ultrasonic vibration, various stains can be effectively cleaned by the ultrasonic vibration and the micro-jet generated in the cavitation process, and the effect of the proper cleaning agent is better.
The existing piezoelectric ceramic piece adopts a circular piezoelectric ceramic piece or a longitudinal piezoelectric transducer combined with a cleaning tank body, and the circular piezoelectric ceramic piece adopts the radial frequency or the thickness frequency of the piezoelectric ceramic piece. The longitudinal piezoelectric ceramic wafer transducer is a larger transducer formed by combining ceramic and structural components.
The commonly used ultrasonic cleaning frequency is between 20 and 150kHz, and the realization of high frequency and high output power simultaneously is a technical problem: the higher the frequency, generally the lower the noise, the higher the output and the better the cleaning effect.
Adopting a circular piezoelectric ceramic piece: the circular piezoelectric ceramic plate utilizes the radial frequency and the thickness frequency of the ceramic, and because the thickness of the ceramic plate is usually small (the larger the thickness is, the higher the driving voltage is), the thickness frequency is usually hundreds or thousands of hertz, and the high output power is difficult to realize due to the overhigh frequency; the radial frequency depends on the diameter of the ceramic plate, and the smaller the diameter, the higher the frequency, and therefore the higher the frequency, the smaller the output power, and therefore it is difficult to achieve both high frequency and high output power with a circular ceramic plate.
The longitudinal transducer is adopted: the structural form of the transducer determines that the transducer needs a larger installation space, and the smaller the thickness of the transducer, the higher the frequency and the smaller the output power.
Both the circular piezoelectric ceramic plate and the longitudinal transducer are difficult to realize high-frequency and high-output power simultaneously.
Disclosure of Invention
In view of the above circumstances, it is desirable to provide a square piezoelectric ceramic sheet for ultrasonic cleaning and an ultrasonic cleaning machine capable of simultaneously realizing high frequency and high output.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a square piezoceramics piece for ultrasonic cleaning, square piezoceramics piece is squarely, forms length size, width size and thickness size, length size form a length frequency and a length power, width size form a width frequency and a width power, thickness size forms a thickness frequency and a thickness power, length size with one of them is output power in the thickness degree size, and at least one in the remaining two is the vibration frequency.
Further, the width frequency is a vibration frequency, and the length power is an output power.
Furthermore, four corners of the square piezoelectric ceramic piece are provided with chamfers or fillets.
Furthermore, the square piezoelectric ceramic plate is attached to the insulating plate.
Further, the insulating sheet is a bakelite plate.
Further, the output power of the square piezoelectric ceramic plate is greater than or equal to 10 watts and less than or equal to 50 watts.
Further, the square piezoelectric ceramic plate determines that the vibration frequency is greater than or equal to 20kHz and less than or equal to 200 kHz.
The invention also provides an ultrasonic cleaning machine which comprises at least one square piezoelectric ceramic piece, wherein the square piezoelectric ceramic piece is formed into a length size, a width size and a thickness size, the length size is formed into a length frequency and a length power, the width size is formed into a width frequency and a width power, the thickness size is formed into a thickness frequency and a thickness power, one of the length size, the length size and the thickness size is output power, and at least one of the rest two is vibration frequency.
Further, the width frequency of the square piezoelectric ceramic piece is a vibration frequency, and the length power is output power.
Furthermore, four corners of the square piezoelectric ceramic piece are provided with chamfers or fillets.
The invention has the beneficial effects that: the square piezoelectric ceramic plate has a set of size parameters compared with the circular piezoelectric ceramic plate, and has a length direction vibration frequency (length frequency), a width direction vibration frequency (width frequency) and a thickness direction vibration frequency (thickness frequency), so that the square piezoelectric ceramic plate is more advantageous in frequency selection. The advantage is that when the length frequency of the ceramic chip is selected, the size in the width direction can have a larger variation range, so that the selectable output power has a larger range, and the larger the width is, the larger the output power can be output by the ceramic chip is; similarly when the width frequency of chooseing the ceramic wafer for use, the size of ceramic wafer in length direction also can change greatly, and length is big more, and the output that the ceramic wafer can be exported is big more, therefore square piezoceramics piece can guarantee high frequency work in the time, exports high output, can guarantee the high frequency for vibration frequency with adopting the width direction, adopts length direction to guarantee the high output mode, and the bandwidth of ceramic wafer is wider, and job stabilization nature is better. When the tank body of the cleaning machine is square, the ultrasonic field in the tank can be more uniform (the ceramic surface covers the tank bottom to be larger), the cleaning blind area is less, and the cleaning effect is better.
Drawings
Fig. 1 is a schematic structural diagram of a square piezoelectric ceramic plate for ultrasonic cleaning according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an insulating sheet according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a square piezoelectric ceramic plate and an insulating plate for ultrasonic cleaning according to an embodiment of the present invention.
Description of reference numerals:
10. a directional piezoelectric ceramic plate; 20. an insulating skin; 21. an extension edge.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following describes a square piezoelectric ceramic plate for ultrasonic cleaning and an ultrasonic cleaning machine in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3, a square piezoelectric ceramic plate 10 for ultrasonic cleaning, the square piezoelectric ceramic plate 10 is square, the length dimension forms a length frequency and a length power, the width dimension forms a width frequency and a width power, the thickness dimension forms a thickness frequency and a thickness power, one of the length dimension, the length dimension and the thickness dimension is an output power, and at least one of the remaining two is a vibration frequency.
The square piezoelectric ceramic plate 10 has a set of size parameters larger than that of the circular piezoelectric ceramic plate, and has a length-direction vibration frequency (length frequency), a width-direction vibration frequency (width frequency), and a thickness-direction vibration frequency (thickness frequency), so that the square piezoelectric ceramic plate 10 is more advantageous in frequency selection. The advantage is that when the length frequency of the ceramic chip is selected, the size in the width direction can have a larger variation range, so that the selectable output power has a larger range, and the larger the width is, the larger the output power can be output by the ceramic chip is; similarly when choosing the width frequency of potsherd for use, the potsherd also can change greatly in length direction's size, and length is big more, and the output that the potsherd can be exported is big more, therefore square piezoceramics piece 10 can guarantee high frequency work in the time, output high output, can guarantee the high frequency for vibration frequency with adopting the width direction, adopts length direction to guarantee the high output mode, and the bandwidth of potsherd is wider, and job stabilization nature is better. When the tank body of the cleaning machine is square, the ultrasonic field in the tank can be more uniform (the ceramic surface covers the tank bottom to be larger), the cleaning blind area is less, and the cleaning effect is better.
It should be noted that the square piezoelectric ceramic plate 10 has a length dimension, a width dimension, and a thickness dimension, that is, has both a length frequency, a width frequency, and a thickness frequency, and also has a length power, a width power, and a thickness power, and the vibration frequency and the output power cannot be selected in the same direction, and the corresponding vibration frequency and the corresponding output power are activated by the driving circuit. Since the thickness dimension of the piezoceramic wafer is usually in millimeter level, the thickness is very thin, and the thickness frequency is usually hundreds or thousands of hertz, the piezoceramic wafer is difficult to be used for ultrasonic cleaning.
It will be appreciated that the width and length dimensions of the present invention are relative.
In general, one or a combination of the length frequency, the width frequency and the thickness frequency can be arbitrarily selected as the vibration frequency according to needs, and as a preferred mode of the present invention, the width frequency of the square piezoceramic sheet 10 is the vibration frequency, and the length power is the output power. The width size determines the vibration frequency, and the length size determines the output power, so that the output power can be adjusted in a large range according to the requirement under a proper vibration frequency, and the high frequency and the high output power can be realized simultaneously.
Particularly, four corners of the square piezoelectric ceramic plate 10 are provided with chamfers or fillets. The chamfer and the fillet are arranged, so that scratching can be avoided, and the oval groove body is more adaptive.
Generally, the square piezoelectric ceramic plate 10 is attached to the insulating plate 20. It can be understood that the insulation sheet 20 is required to cover the square piezoelectric ceramic plate 10, i.e. to cover the square piezoelectric ceramic plate 10, generally, the area of the insulation sheet 20 is larger than or equal to the area of the square piezoelectric ceramic plate 10, and preferably, the area of the insulation sheet 20 is larger than the area of the square piezoelectric ceramic plate 10 and extends out of the square piezoelectric ceramic plate 10 to form an extension edge 21. It will be appreciated that the outer dimensions of the insulating sheet 20 are required to meet the requirements of relevant safety certification.
Preferably, the insulating sheet 20 is a bakelite board. The bakelite board has the characteristics of insulation, no static electricity generation, wear resistance, high temperature resistance and the like, and is prepared by soaking insulation impregnated paper with phenolic resin, baking and hot pressing.
In a preferred embodiment of the present invention, the output power of the square piezoelectric ceramic plate 10 is greater than or equal to 10 watts and less than or equal to 50 watts. The output power of the directional piezoelectric ceramic piece is less than 10 watts, ultrasonic waves suitable for ultrasonic cleaning are generally difficult to generate, a transducer with a large volume can be generally directly used when the output power is more than 50 watts, and the output power is difficult to bear and easy to damage when the output power passes through the piezoelectric ceramic piece.
In a preferred mode of the present invention, the square piezoelectric ceramic plate 10 is determined to have a vibration frequency of 20kHz or more and 200kHz or less. Preferably, the vibration frequency is greater than or equal to 20kHz, and less than or equal to 150 kHz.
The invention also provides an ultrasonic cleaning machine which comprises at least one square piezoelectric ceramic piece 10, wherein the square piezoelectric ceramic piece 10 forms a length size, a width size and a thickness size, the length size forms a length frequency and a length power, the width size forms a width frequency and a width power, the thickness size forms a thickness frequency and a thickness power, one of the length size, the length size and the thickness size is output power, and at least one of the rest two is vibration frequency.
The square piezoelectric ceramic piece 10 is adopted, high frequency can be guaranteed, high output power can be guaranteed, the related range is wider, and piezoelectric ceramic pieces with more frequencies and output power models can be designed according to requirements. The ultrasonic cleaning agent adopting the square piezoelectric ceramic piece 10 can ensure high frequency and high output power, and has better cleaning effect.
Preferably, the width frequency of the square piezoelectric ceramic plate 10 is the vibration frequency, and the length power is the output power. The high-frequency power amplifier is suitable for ensuring high frequency and high output power.
Preferably, four corners of the square piezoelectric ceramic plate 10 are provided with chamfers or fillets. Avoid the scratch, simultaneously more the adaptation is similar to oval-shaped cell body.
The tank body of the ultrasonic cleaner is square or oval. The shape of the groove body is similar to that of the square piezoelectric ceramic piece 10, the groove body is more adaptive to the square piezoelectric ceramic piece 10, the sound field is uniform, the cleaning blind area is less, and the cleaning effect is better.
In summary, the square piezoelectric ceramic plate for ultrasonic cleaning and the ultrasonic cleaning machine provided by the invention have more advantages in frequency selection, and can output high output power while ensuring high-frequency work, that is, the width direction is adopted as the vibration frequency to ensure high frequency, the length direction is adopted to ensure high output power, the bandwidth of the ceramic plate is wider, and the working stability is better. When the tank body of the cleaning machine is square, the ultrasonic field in the tank can be more uniform, the cleaning blind areas are less, and the cleaning effect is better.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The square piezoelectric ceramic plate for ultrasonic cleaning is characterized in that the square piezoelectric ceramic plate is square, length dimensions, width dimensions and thickness dimensions are formed, the length dimensions form a length frequency and a length power, the width dimensions form a width frequency and a width power, the thickness dimensions form a thickness frequency and a thickness power, one of the length dimensions, the length dimensions and the thickness power is output power, and at least one of the rest two is vibration frequency.
2. The square piezoceramic sheet for ultrasonic cleaning according to claim 1, wherein the width frequency is a vibration frequency and the length power is an output power.
3. The square piezoelectric ceramic plate for ultrasonic cleaning according to claim 1, wherein four corners of the square piezoelectric ceramic plate are provided with chamfers or fillets.
4. The square piezoceramic wafer for ultrasonic cleaning according to claim 1, wherein the square piezoceramic wafer is attached to an insulating sheet.
5. The square piezoceramic sheet for ultrasonic cleaning according to claim 4, wherein the insulating sheet is a bakelite plate.
6. The square piezoceramic wafer for ultrasonic cleaning according to claim 1, wherein the output power of the square piezoceramic wafer is 10 watts or more and 50 watts or less.
7. The square piezoceramic wafer for ultrasonic cleaning according to claim 1, wherein the square piezoceramic wafer determines a vibration frequency of greater than or equal to 20kHz and less than or equal to 200 kHz.
8. An ultrasonic cleaning machine is characterized by comprising at least one square piezoelectric ceramic piece, wherein the square piezoelectric ceramic piece is formed into a length size, a width size and a thickness size, the length size is formed into a length frequency and a length power, the width size is formed into a width frequency and a width power, and the thickness size is formed into a thickness frequency and a thickness power.
9. The ultrasonic cleaning machine according to claim 8, wherein the width frequency of the square piezoelectric ceramic plate is a vibration frequency, and the length power is an output power.
10. The ultrasonic cleaning machine of claim 8, wherein the four corners of the square piezoelectric ceramic plate are chamfered or rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010018180.1A CN111195629A (en) | 2020-01-08 | 2020-01-08 | Square piezoelectric ceramic piece for ultrasonic cleaning and ultrasonic cleaning machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010018180.1A CN111195629A (en) | 2020-01-08 | 2020-01-08 | Square piezoelectric ceramic piece for ultrasonic cleaning and ultrasonic cleaning machine |
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| Publication Number | Publication Date |
|---|---|
| CN111195629A true CN111195629A (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010018180.1A Pending CN111195629A (en) | 2020-01-08 | 2020-01-08 | Square piezoelectric ceramic piece for ultrasonic cleaning and ultrasonic cleaning machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019701A (en) * | 2021-11-30 | 2022-02-08 | 广东固特超声股份有限公司 | Ultrasonic cleaning machine without damaging film coating of glasses |
| CN114130752A (en) * | 2021-10-27 | 2022-03-04 | 广东固特超声股份有限公司 | High-frequency high-power ultrasonic transducer arrangement mode with uniform sound field and ultrasonic device |
-
2020
- 2020-01-08 CN CN202010018180.1A patent/CN111195629A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114130752A (en) * | 2021-10-27 | 2022-03-04 | 广东固特超声股份有限公司 | High-frequency high-power ultrasonic transducer arrangement mode with uniform sound field and ultrasonic device |
| CN114130752B (en) * | 2021-10-27 | 2022-11-15 | 广东固特超声股份有限公司 | Arrangement mode of high-frequency high-power ultrasonic transducers with uniform sound field and ultrasonic device |
| CN114019701A (en) * | 2021-11-30 | 2022-02-08 | 广东固特超声股份有限公司 | Ultrasonic cleaning machine without damaging film coating of glasses |
| CN114019701B (en) * | 2021-11-30 | 2024-04-09 | 广东固特超声股份有限公司 | Ultrasonic cleaner without damaging glasses coating film |
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