阅读说明：本技术 一种超声波换能器及安装有该超声波换能器的超声装置 (Ultrasonic transducer and ultrasonic device provided with same ) 是由 吴国栋 陈鑫宏 吴鑫隆 谭莉君 于 2021-08-20 设计创作，主要内容包括：本发明提供了一种超声波换能器及安装有该超声波换能器的超声装置,超声波换能器包括：锁紧件,所述锁紧件上依次套设有相互压紧的前盖板、第一激励组件、过渡件、第二激励组件和后盖板,所述第一激励组件与所述第二激励组件可同时进行通电激励,所述第一激励组件与所述第二激励组件的谐振频率相近。本发明中,可对第一激励组件与第二激励组件同时通电激励,且第一激励组件与第二激励组件的谐振频率相近,两个谐振频率相近的超声振动相互作用时振幅会叠加,能实现有效振动的频带范围越大,这样即能实现高的输出功率,又能实现工作频率的微拓宽,不会减弱空化效应,提高了超声波换能器的能量转化效率。(The invention provides an ultrasonic transducer and an ultrasonic device provided with the ultrasonic transducer, wherein the ultrasonic transducer comprises: the retaining member, the cover is equipped with the front shroud, first excitation subassembly, transition piece, second excitation subassembly and the back shroud that compress tightly each other in proper order on the retaining member, first excitation subassembly with the second excitation subassembly can carry out the circular telegram simultaneously and encourage, first excitation subassembly with the second excites the resonant frequency of subassembly to be close. According to the invention, the first excitation assembly and the second excitation assembly can be electrified and excited simultaneously, the resonant frequencies of the first excitation assembly and the second excitation assembly are close, the amplitudes of two ultrasonic vibrations with close resonant frequencies can be superposed when the two ultrasonic vibrations interact, the frequency band range of effective vibration can be enlarged, high output power can be realized, micro-widening of working frequency can be realized, the cavitation effect cannot be weakened, and the energy conversion efficiency of the ultrasonic transducer is improved.)

1. An ultrasonic transducer, comprising: retaining member (100), the cover is equipped with front shroud (200), first excitation subassembly (300), transition piece (400), second excitation subassembly (500) and back shroud (600) that compress tightly each other in proper order on retaining member (100), first excitation subassembly (300) with second excitation subassembly (500) can carry out the circular telegram simultaneously and encourage, first excitation subassembly (300) with the resonant frequency of second excitation subassembly (500) is close.

2. The ultrasonic transducer according to claim 1, wherein the first excitation assembly (300) comprises two first piezoceramic wafers (310) and two first electrode plates (320) which are sleeved on the retaining member (100), the two first piezoceramic wafers (310) and the two first electrode plates (320) are arranged in a spaced and crossed manner, and first radially extending power receiving rings (321) are arranged on the first electrode plates (320);

the second excitation assembly (500) comprises two second piezoelectric ceramic pieces (510) and two second electrode pieces (520) which are sleeved on the retaining piece (100), the two second piezoelectric ceramic pieces (510) and the two second electrode pieces (520) are arranged in a crossed mode at intervals, and second power-on rings (521) extending in the radial direction are arranged on the second electrode pieces (520);

the diameters of the first piezoelectric ceramic piece (310) and the second piezoelectric ceramic piece (510) are both 18-20 mm.

3. An ultrasonic transducer according to claim 1, wherein the locking member (100) is a connecting bolt.

4. The ultrasonic transducer according to claim 1, wherein an insulating sleeve (700) is respectively sleeved between the locker (100) and the first excitation assembly (300) and between the locker (100) and the second excitation assembly (500).

5. The ultrasonic transducer according to claim 1, wherein first insulating sheets are respectively disposed between the first excitation assembly (300) and the front cover plate (200) and between the first excitation assembly (300) and the transition piece (400), an annular bump (401) is sleeved outside the transition piece (400), an inner wall of the annular bump (401) is fixedly connected with an outer wall of the transition piece (400), a second insulating sheet is respectively disposed between the second excitation assembly (500) and the rear cover plate (600) and between the second excitation assembly (500) and the transition piece (400).

6. The ultrasonic transducer according to claim 2, wherein the first piezoceramic wafer (310) close to the front cover plate (200) is a positively polarized piezoceramic wafer, the first piezoceramic wafer (310) far from the front cover plate (200) is a negatively polarized piezoceramic wafer, the second piezoceramic wafer (510) close to the front cover plate (200) is a negatively polarized piezoceramic wafer, and the second piezoceramic wafer (510) far from the front cover plate (200) is a positively polarized piezoceramic wafer.

7. An ultrasonic transducer according to claim 1, wherein the first excitation assembly (300) or the second excitation assembly (500) is separately energizable.

8. An ultrasonic device equipped with an ultrasonic transducer, the ultrasonic device being equipped with an ultrasonic transducer as claimed in any one of claims 1 to 7, wherein the ultrasonic device comprises a housing (27), the housing (27) is configured to be sealed and watertight, a bottom plate (28) is disposed at the bottom of the housing (27), the bottom plate (28) is made of hard material, the ultrasonic transducer is disposed inside the housing (27), the ultrasonic transducer is provided with a plurality of ultrasonic transducers, and the front cover plate (200) of the ultrasonic transducer is far away from the side of the transition piece (400) and is fixedly connected with the upper surface of the bottom plate (28).

9. An ultrasound device with an ultrasonic transducer mounted thereon according to claim 8, wherein the ultrasound device further comprises an adjustment assembly comprising:

the device comprises a first box body (1), wherein an electric lifting rod (2) is arranged in the first box body (1), and the upper end of the electric lifting rod (2) is fixedly connected with the inner wall of the upper end of the first box body (1);

the connecting column (3) is arranged at the lower end of the electric lifting rod (2), one end of the connecting column (3) is fixedly connected with the lower end of the electric lifting rod (2), and the other end of the connecting column (3) penetrates through the bottom wall of the first box body (1), extends to the outside of the first box body (1) and is fixedly connected with the upper surface of the shell (27);

two sliding sleeves (4), the two sliding sleeves (4) are symmetrically arranged on the outer walls of the left side and the right side of the first box body (1), a first sliding rod (5) is arranged in the sliding sleeve (4) in a sliding manner, one end of the first sliding rod (5) far away from the electric lifting rod (2) extends to the outside of the sliding sleeve (4) and is provided with a baffle, a plurality of through holes are formed in the baffle plate, the through holes penetrate through the left side wall and the right side wall of the baffle plate, one end of the first sliding rod (5) close to the electric lifting rod (2) extends into the first box body (1) and is provided with a first connecting rod (6), one end of the first connecting rod (6) is hinged with one end of the first sliding rod (5) close to the electric lifting rod (2), the other end of the first connecting rod (6) is hinged with the side wall of the connecting column (3), the first sliding rod (5) is in sliding connection with the side wall of the first box body (1);

the first motor (7), the first motor (7) is arranged on the upper surface of the first box body (1), and one end, far away from the first box body (1), of the first motor (7) is provided with an output shaft;

a first gear (8), the first gear (8) being disposed on the output shaft;

the two supporting plates (9) are symmetrically arranged on the left side and the right side of the first motor (7), and the bottom of each supporting plate (9) is fixedly connected with the upper surface of the first box body (1);

the two second sliding rods (10) are arranged on the front side and the rear side of the first gear (8) in a centrosymmetric mode, the second sliding rods (10) are parallel to the first sliding rods (5), the second sliding rods (10) are in sliding connection with guide holes in the supporting plate (9), the second sliding rods (10) face one side of the first gear (8) and are toothed, one side of each second sliding rod (10) with teeth is meshed with the tooth form of the first gear (8), one end, far away from the first gear (8), of each second sliding rod (10) is provided with a fixing plate (11), the fixing plate (11) is perpendicular to the second sliding rods (10), and anti-skid blocks (12) are arranged on the left side wall and the right side wall of the fixing plate (11).

10. The ultrasonic device mounted with an ultrasonic transducer according to claim 8, further comprising a cleaning assembly, the cleaning assembly comprising:

the outer wall of the left side of the second box body (13) is fixedly connected with the upper surface of the shell (27), the right side wall of the second box body (13) is provided with a second through hole (14), and the second through hole (14) is long-strip-shaped;

the second motor (15) is arranged in the second box body (13), the fixed end of the second motor (15) is fixedly connected with the inner wall of the rear side of the second box body (13), and the output end of the second motor (15) is provided with a first rotating shaft (16);

a second gear (17), the second gear (17) being disposed on the first shaft (16), the second gear (17) being an incomplete gear;

the rack (18) is arranged on the right side of the second gear (17), both the left side wall and the right side wall of the rack (18) are provided with teeth, the left side of the rack (18) is meshed with the teeth of the second gear (17), a third sliding rod (19) is arranged at the lower end of the rack (18), one end of the third sliding rod (19) is fixedly connected with the lower end of the rack (18), the other end of the third sliding rod (19) penetrates through the lower end of the second box body (13) and extends to the outside of the second box body (13), and the third sliding rod (19) is in sliding connection with the bottom wall of the second box body (13);

the spring (20) is sleeved on the third sliding rod (19), one end of the spring (20) is fixedly connected with the bottom wall of the second box body (13), and the other end of the spring (20) is fixedly connected with one end, far away from the second box body (13), of the third sliding rod (19);

the two connecting rods (21) are symmetrically arranged on the left side and the right side of the lower end of the third sliding rod (19), one end of each connecting rod (21) is fixedly connected with the side wall of the lower end of the third sliding rod (19), a scraper (22) is arranged at one end, far away from the third sliding rod (19), of each connecting rod (21), the scraper (22) is perpendicular to the third sliding rod (19), and two ends of the upper end of each scraper (22) are inclined planes;

the second rotating shaft (23) is arranged on the right side of the rack (18), a third gear (24) is arranged on the second rotating shaft (23), and the third gear (24) is meshed with the right tooth form of the rack (18);

swing lever (25), swing lever (25) one end with second pivot (23) front end fixed connection, swing lever (25) other end passes second through-hole (14), extends to second box (13) right side wall outside sets up strikes piece (26).

Technical Field

The invention relates to the technical field of ultrasonic transducers, in particular to an ultrasonic transducer and an ultrasonic device provided with the same.

Background

The ultrasonic transducer has wide application, and the ultrasonic device provided with the ultrasonic transducer is divided into industry, agriculture, transportation, life, medical treatment, military and the like according to the application industry; the method comprises the following steps of ultrasonic processing, ultrasonic cleaning, ultrasonic detection, monitoring, remote measurement, remote control and the like according to realized functions; divided into liquid, gas, organism, etc. according to the working environment; and classified into power ultrasonic, detection ultrasonic, ultrasonic imaging, and the like according to properties.

The common ultrasonic frequency of an ultrasonic transducer in the existing ultrasonic device is 28KHZ, 40KHZ and the like, the maximum power can only be made to be 50-60W, and the diameter of the piezoelectric ceramic is required to be reduced in order to increase the frequency. For example, to realize a frequency of about 80kHz, the diameter of the ceramic must be reduced to about 20-25mm, and the volume of the piezoelectric ceramic is greatly reduced, so that the energy conversion efficiency of the ultrasonic transducer is low.

With the development of ultrasonic technology, people have higher and higher requirements on ultrasonic transducers, and high frequency and high power become a trend. However, the conventional ultrasonic transducer only increases frequency but not power, and can weaken cavitation effect to influence the energy conversion efficiency of the ultrasonic transducer, so that the working efficiency of an ultrasonic device provided with the ultrasonic transducer is low.

Disclosure of Invention

The invention provides an ultrasonic transducer and an ultrasonic device provided with the same, which are used for solving the technical problem that the conventional ultrasonic transducer only improves frequency but not power, and can weaken cavitation effect to influence energy conversion efficiency.

In order to solve the above technical problem, the present invention discloses an ultrasonic transducer, comprising: the retaining member, the cover is equipped with the front shroud, first excitation subassembly, transition piece, second excitation subassembly and the back shroud that compress tightly each other in proper order on the retaining member, first excitation subassembly with the second excitation subassembly can carry out the circular telegram simultaneously and encourage, first excitation subassembly with the second excites the resonant frequency of subassembly to be close.

Preferably, the first excitation assembly comprises two first piezoelectric ceramic pieces and two first electrode pieces, the two first piezoelectric ceramic pieces and the two first electrode pieces are sleeved on the locking piece and are arranged in a crossed mode at intervals, and first power rings extending in the radial direction are arranged on the first electrode pieces;

the second excitation assembly comprises two second piezoelectric ceramic pieces and two second electrode plates, the two second piezoelectric ceramic pieces and the two second electrode plates are sleeved on the locking piece and are arranged in a crossed mode at intervals, and second power rings extending in the radial direction are arranged on the second electrode plates;

the diameters of the first piezoelectric ceramic piece and the second piezoelectric ceramic piece are 18-20 mm.

Preferably, the locking member is a connecting bolt.

Preferably, an insulating sleeve is respectively sleeved between the locking member and the first excitation assembly and between the locking member and the second excitation assembly.

Preferably, first excitation subassembly with between the front shroud, and first excitation subassembly with be equipped with first insulating piece between the transition piece respectively, the outside cover of transition piece is equipped with annular lug, annular lug inner wall with transition piece outer wall fixed connection, second excitation subassembly with between the back shroud, and second excitation subassembly with be equipped with the second insulating piece between the transition piece respectively.

Preferably, the first piezoelectric ceramic piece close to the front cover plate is a positively polarized piezoelectric ceramic piece, the first piezoelectric ceramic piece far away from the front cover plate is a negatively polarized piezoelectric ceramic piece, the second piezoelectric ceramic piece close to the front cover plate is a negatively polarized piezoelectric ceramic piece, and the second piezoelectric ceramic piece far away from the front cover plate is a positively polarized piezoelectric ceramic piece.

Preferably, the first excitation assembly or the second excitation assembly is separately energizable.

The ultrasonic device comprises a plurality of ultrasonic transducers, wherein the front cover plates of the plurality of ultrasonic transducers are fixedly connected with the upper surface of the bottom plate on the side away from the transition piece.

Preferably, the ultrasound device further comprises an adjustment assembly, the adjustment assembly comprising:

the device comprises a first box body, wherein an electric lifting rod is arranged in the first box body, and the upper end of the electric lifting rod is fixedly connected with the inner wall of the upper end of the first box body;

the connecting column is arranged at the lower end of the electric lifting rod, one end of the connecting column is fixedly connected with the lower end of the electric lifting rod, and the other end of the connecting column penetrates through the bottom wall of the first box body, extends to the outside of the first box body and is fixedly connected with the upper surface of the shell;

the two sliding sleeves are symmetrically arranged on the outer walls of the left side and the right side of the first box body, a first sliding rod is arranged in each sliding sleeve in a sliding mode, one end, away from the electric lifting rod, of each first sliding rod extends to the outside of each sliding sleeve, a baffle is arranged, a plurality of through holes are formed in each baffle and penetrate through the left side wall and the right side wall of each baffle, one end, close to the electric lifting rod, of each first sliding rod extends to the inside of the first box body, a first connecting rod is arranged, one end, close to the electric lifting rod, of each first sliding rod is hinged to one end, close to the electric lifting rod, of each first sliding rod, the other end of each first connecting rod is hinged to the side wall of the connecting column, and each first sliding rod is slidably connected to the side wall of the first box body;

the first motor is arranged on the upper surface of the first box body, and one end of the first motor, which is far away from the first box body, is provided with an output shaft;

a first gear disposed on the output shaft;

the two supporting plates are symmetrically arranged on the left side and the right side of the first motor, and the bottoms of the supporting plates are fixedly connected with the upper surface of the first box body;

the two second sliding rods are arranged on the front side and the rear side of the first gear in a centrosymmetric mode, are parallel to the first sliding rods and are connected with the guide holes in the supporting plate in a sliding mode, one side, facing the first gear, of each second sliding rod is provided with teeth, one side, facing the first gear, of each second sliding rod is meshed with the tooth profile of the first gear, one end, far away from the first gear, of each second sliding rod is provided with a fixing plate, the fixing plates are perpendicular to the second sliding rods, and the left side wall and the right side wall of each fixing plate are provided with anti-skidding blocks.

Preferably, the ultrasound device further comprises a clearing assembly, the clearing assembly comprising:

the outer wall of the left side of the second box body is fixedly connected with the upper surface of the shell, and the right side wall of the second box body is provided with a second through hole which is in a long strip shape;

the second motor is arranged in the second box body, the fixed end of the second motor is fixedly connected with the inner wall of the rear side of the second box body, and the output end of the second motor is provided with a first rotating shaft;

the second gear is arranged on the first rotating shaft and is an incomplete gear;

the rack is arranged on the right side of the second gear, both the left side wall and the right side wall of the rack are provided with teeth, the left side of the rack is meshed with the teeth of the second gear, the lower end of the rack is provided with a third sliding rod, one end of the third sliding rod is fixedly connected with the lower end of the rack, the other end of the third sliding rod penetrates through the lower end of the second box body and extends to the outside of the second box body, and the third sliding rod is connected with the bottom wall of the second box body in a sliding manner;

the spring is sleeved on the third sliding rod, one end of the spring is fixedly connected with the bottom wall of the second box body, and the other end of the spring is fixedly connected with one end, far away from the second box body, of the third sliding rod;

the two connecting rods are symmetrically arranged on the left side and the right side of the lower end of the third sliding rod, one end of each connecting rod is fixedly connected with the side wall of the lower end of the third sliding rod, a scraper is arranged at one end, away from the third sliding rod, of each connecting rod, the scraper is perpendicular to the third sliding rod, and two ends of the upper end of each scraper are both arranged into inclined planes;

the second rotating shaft is arranged on the right side of the rack, a third gear is arranged on the second rotating shaft, and the third gear is meshed with the right side of the rack in a tooth form;

the swing rod, swing rod one end with second pivot front end fixed connection, the swing rod other end passes the second through-hole extends to second box right side wall outside sets up strikes the piece.

The technical scheme of the invention has the following advantages: the invention provides an ultrasonic transducer and an ultrasonic device provided with the ultrasonic transducer, wherein the ultrasonic transducer comprises: the retaining member, the cover is equipped with the front shroud, first excitation subassembly, transition piece, second excitation subassembly and the back shroud that compress tightly each other in proper order on the retaining member, first excitation subassembly with the second excitation subassembly can carry out the circular telegram simultaneously and encourage, first excitation subassembly with the second excites the resonant frequency of subassembly to be close. In the invention, because the first excitation component and the second excitation component are electrified and excited at the same time, the resonant frequencies of the first excitation component and the second excitation component are close, the amplitudes of the two ultrasonic vibrations with small difference of the resonant frequencies are superposed when the two ultrasonic vibrations interact, the frequency band range of the effective vibration is wider, thus high output power can be realized, the micro-widening of the working frequency can be realized, the cavitation effect cannot be weakened, and the energy conversion efficiency of the ultrasonic transducer is improved, the ultrasonic transducer can singly carry out the electrified excitation on the first excitation component or the second excitation component, and also can carry out the electrified excitation on the two excitation components at the same time, therefore, the transducer has a plurality of working frequencies which can be selected according to the requirements when the ultrasonic cleaning and/or the extraction are carried out, and when the two excitation components are electrified and excited at the same time, the working frequency ranges of the transducer can be connected, the technical scheme of the invention realizes the miniaturization of the ultrasonic transducer, obviously improves the ultrasonic cleaning or extraction power of an ultrasonic device provided with the ultrasonic transducer, improves the cleaning, extraction or mixing efficiency, realizes the improvement of the frequency of the ultrasonic transducer, and simultaneously reduces the working noise of the ultrasonic transducer.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the apparatus particularly pointed out in the written description and drawings thereof.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is an exploded view of the overall structure of an embodiment of the present invention;

FIG. 3 is a schematic view of a first electrode sheet according to the present invention;

FIG. 4 is a schematic view of a second electrode sheet according to the present invention;

FIG. 5 is a schematic view of an adjustment assembly of the present invention;

FIG. 6 is a schematic view of a purge assembly of the present invention.

In the figure: 100. a locking member; 200. a front cover plate; 300. a first excitation assembly; 310. a first piezoelectric ceramic sheet; 320. a first electrode sheet; 321. a first power ring; 400. a transition piece; 401. an annular projection; 500. a second excitation assembly; 510. a second piezoelectric ceramic sheet; 520. a second electrode sheet; 521. a second power ring; 600. a rear cover plate; 700. an insulating sleeve; 1. a first case; 2. an electric lifting rod; 3. connecting columns; 4. a sliding sleeve; 5. a first slide bar; 6. a first link; 7. a first motor; 8. a first gear; 9. a support plate; 10. a second slide bar; 11. a fixing plate; 12. anti-skid blocks; 13. a second case; 14. a second through hole; 15. a second motor; 16. a first rotating shaft; 17. a second gear; 18. a rack; 19. a third slide bar; 20. a spring; 21. a connecting rod; 22. a squeegee; 23. a second rotating shaft; 24. a third gear; 25. a swing lever; 26. knocking the block; 27. a housing; 28. a base plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.

Example 1:

an embodiment of the present invention provides an ultrasonic transducer, as shown in fig. 1 to 6, including: retaining member 100, the cover is equipped with the front shroud 200, first excitation subassembly 300, transition piece 400, the second excitation subassembly 500 and the back shroud 600 that compress tightly each other in proper order on the retaining member 100, first excitation subassembly 300 with the second excitation subassembly 500 can carry out the circular telegram simultaneously and encourage, first excitation subassembly 300 with the second excitation subassembly 500's resonant frequency is close.

The working principle and the beneficial effects of the technical scheme are as follows: the ultrasonic transducer mainly comprises a locking piece 100, wherein a front cover plate 200, a first excitation assembly 300, a transition piece 400, a second excitation assembly 500 and a rear cover plate 600 which are mutually compressed are sequentially sleeved on the locking piece 100, the first excitation assembly 300 and the second excitation assembly 500 are electrified and excited at the same time, a first electrode plate 320 close to the front cover plate 200 is connected with a lead and connected with one pole of a power supply, a second electrode plate 520 close to the rear cover plate 600 is connected with a lead and connected with the other pole of the power supply, the voltages between the two first electrode plates 320 and the two second electrode plates 520 after electrification are opposite, so that the first piezoelectric ceramic plate 310 and the second piezoelectric ceramic plate 510 generate a reverse voltage effect to carry out 'compression-relaxation' vibration, the second piezoelectric ceramic plate 510 is compressed when the first piezoelectric ceramic plate 310 is compressed, the second piezoelectric ceramic plate 510 is compressed when the first piezoelectric ceramic plate 310 is relaxed, the first piezoelectric ceramic plate 310 and the second piezoelectric ceramic plate 510 drive the transition piece 400 to circularly vibrate together, the front-rear amplitude ratio is effectively improved, the output power is increased, the resonant frequencies of the first excitation assembly 300 and the second excitation assembly 500 are close, the ratio range of the first excitation assembly 300 to the second excitation assembly 500 is 0.9-1.1, and when the difference between the two excitation frequencies is not large, the working frequency ranges of the transducers are connected, so that the frequency band can be widened; the amplitudes of the two ultrasonic vibrations with slightly different resonant frequencies are superposed during interaction, the amplitude is smaller after the two different frequency values f1 and f2 are superposed more, the frequency band range of effective vibration is larger, and from the practical use perspective, the ultrasonic transducers with the similar resonant frequencies of the first excitation assembly 300 and the second excitation assembly 500 are adopted, so that high output power can be realized, the micro-widening of the working frequency can be realized, the cavitation effect cannot be weakened, and the energy conversion efficiency of the ultrasonic transducers is improved.

Example 2

On the basis of the above embodiment 1, as shown in fig. 2, the first excitation assembly 300 includes two first piezoelectric ceramic pieces 310 and two first electrode pieces 320, which are sleeved on the locker 100, the two first piezoelectric ceramic pieces 310 and the two first electrode pieces 320 are arranged in a crossing manner, and the first electrode pieces 320 are provided with first radially extending power-receiving rings 321;

the second excitation assembly 500 comprises two second piezoelectric ceramic pieces 510 and two second electrode plates 520, the two second piezoelectric ceramic pieces 510 and the two second electrode plates 520 are sleeved on the retaining member 100 and are arranged in a crossed manner, and second electrode plates 520 are provided with second radially extending electrification rings 521;

the diameters of the first piezoceramic sheet 310 and the second piezoceramic sheet 510 are both 18-20 mm.

The working principle and the beneficial effects of the technical scheme are as follows: the first excitation assembly 300 comprises two first piezoelectric ceramic pieces 310 and two first electrode pieces 320, the two first piezoelectric ceramic pieces 310 are sleeved on the retaining member 100, the two first electrode pieces 310 and the two first electrode pieces 320 are arranged in a crossed manner, and first radially extending power receiving rings 321 are arranged on the first electrode pieces 320; the second excitation assembly 500 comprises two second piezoelectric ceramic pieces 510 and two second electrode plates 520 sleeved on the retaining member 100, the two second piezoelectric ceramic pieces 510 and the two second electrode plates 520 are arranged in a crossed manner, and second electrode plates 520 are provided with second power connection rings 521 extending in the radial direction, wherein the power connection rings arranged on the electrode plates can be arranged in the same direction or in a back direction; the back-to-back arrangement is preferred, so that the connection of the anode and the cathode is convenient during electrification, and errors are not easy to occur;

the diameters of the first piezoelectric ceramic piece 310 and the second piezoelectric ceramic piece 510 are 18-20mm, preferably 18mm, the ultrasonic transducer can realize 90KHZ maximum frequency by matching two first piezoelectric ceramic pieces with the diameters of 18mm and two second piezoelectric ceramic pieces with the diameters of 18mm, the maximum power can reach about 100W, most of ultrasonic cleaning or extracting machines in the market at present adopt 40KHZ transducers made of two annular piezoelectric ceramics with the diameters of 35mm, and the maximum working power is about 50W, so that the ultrasonic transducer has obviously improved performance and has high frequency and high power.

Example 3

On the basis of embodiment 1 or 2, as shown in fig. 2, the locker 100 is an attachment bolt.

The working principle and the beneficial effects of the technical scheme are as follows: retaining member 100 can be a sufficient length to allow for a stable attachment of the bolt, which is cost effective.

Example 4

On the basis of any one of embodiments 1 to 3, as shown in fig. 2, insulating sleeves 700 are respectively sleeved between the locker 100 and the first actuating assembly 300, and between the locker 100 and the second actuating assembly 500.

The working principle and the beneficial effects of the technical scheme are as follows: through being provided with insulation support 700, can effectively prevent the transducer electric leakage to guarantee the higher output of transducer, reduced the loss.

Example 5

On the basis of any one of embodiments 1 to 4, as shown in fig. 2, first insulating sheets are respectively disposed between the first excitation assembly 300 and the front cover plate 200 and between the first excitation assembly 300 and the transition piece 400, an annular protrusion 401 is sleeved outside the transition piece 400, an inner wall of the annular protrusion 401 is fixedly connected with an outer wall of the transition piece 400, and second insulating sheets are respectively disposed between the second excitation assembly 500 and the rear cover plate 600 and between the second excitation assembly 500 and the transition piece 400.

The working principle and the beneficial effects of the technical scheme are as follows: first insulating sheets are respectively arranged between the first excitation assembly 300 and the front cover plate 200 and between the first excitation assembly 300 and the transition piece 400, so that the front cover plate 200 is prevented from generating electric leakage danger; in the same way, the second excitation assembly 500 and the back cover plate 600 are arranged between the second excitation assembly 500 and the transition piece 400, the second insulation sheet is arranged between the second excitation assembly 500 and the transition piece 400 respectively to prevent the back cover plate 600 from electric leakage, the annular bump 401 is sleeved outside the transition piece 400, the inner wall of the annular bump 401 is fixedly connected with the outer wall of the transition piece 400, the annular bump 401 is arranged at the middle position of the transition piece 400, and the annular bump 401 cannot vibrate along with the ultrasonic transducer, so that the installation of the ultrasonic transducer can be realized.

Example 6

On the basis of embodiment 2, the first piezoelectric ceramic piece 310 close to the front cover plate 200 is a positively polarized piezoelectric ceramic piece, the first piezoelectric ceramic piece 310 far away from the front cover plate 200 is a negatively polarized piezoelectric ceramic piece, the second piezoelectric ceramic piece 510 close to the front cover plate 200 is a negatively polarized piezoelectric ceramic piece, and the second piezoelectric ceramic piece 510 far away from the front cover plate 200 is a positively polarized piezoelectric ceramic piece.

The working principle and the beneficial effects of the technical scheme are as follows: the excitation assemblies may be arranged in multiple groups, and not only the first excitation assembly 300 and the second excitation assembly 500 are replaced, and multiple excitation assemblies are stacked according to a half-wave theory, and two adjacent excitation assemblies are combined in opposite polarization manners, for example, in the first excitation assembly 300, the first piezoelectric ceramic piece 310 close to the front cover plate 200 is a positively polarized piezoelectric ceramic piece, one side of the first piezoelectric ceramic piece 310 close to the front cover plate 200 is a positive electrode, the other first piezoelectric ceramic piece 310 far from the front cover plate 200 is a negatively polarized piezoelectric ceramic piece, one side of the first piezoelectric ceramic piece 310 close to the front cover plate 200 is a negative electrode, in the second excitation assembly 500, the second piezoelectric ceramic piece 510 close to the front cover plate 200 is a negatively polarized piezoelectric ceramic piece, one side of the second piezoelectric ceramic piece 510 close to the front cover plate 200 is a negative electrode, and the other second piezoelectric ceramic piece 510 far from the front cover plate 200 is a positively polarized piezoelectric ceramic piece, the second piezoelectric ceramic piece 510 is a forward polarization piezoelectric ceramic piece, and one side of the second piezoelectric ceramic piece 510, which is close to the front cover plate 200, is a positive electrode, and by the arrangement mode, the vibration of the first excitation assembly and the vibration of the second excitation assembly can form a synergistic effect, so that superposition is performed, high output power can be realized, micro-widening of working frequency can be realized, and the cleaning capacity of the ultrasonic transducer is improved.

Example 7

On the basis of embodiment 1, the first excitation assembly 300 or the second excitation assembly 500 can be separately energized.

The working principle and the beneficial effects of the technical scheme are as follows: only the first excitation assembly 300 is electrified and excited, the two first electrode plates 320 are respectively connected with the positive electrode and the negative electrode of the power supply, and after the two first piezoelectric ceramic plates 310 are electrified, piezoelectric effect vibration is generated to generate ultrasonic waves; only the second excitation assembly 500 is energized, the two second electrode plates 520 are respectively connected with the positive electrode and the negative electrode of the power supply, and after the two second piezoelectric ceramic plates 510 are energized, piezoelectric effect vibration is generated to generate ultrasonic waves, so that the ultrasonic transducer has multiple working frequencies, and can be selected according to requirements during ultrasonic cleaning and/or extraction.

Example 8

On the basis of any one of embodiments 1 to 7, the invention further provides an ultrasonic device equipped with the ultrasonic transducer, wherein the ultrasonic transducer is assembled as a core component, the ultrasonic device comprises a housing 27, the housing 27 is configured to be a sealed and watertight structure, a bottom plate 28 is arranged at the bottom of the housing 27, the bottom plate 28 is made of a hard material, the ultrasonic transducer is arranged inside the housing 27, the ultrasonic transducer is provided with a plurality of ultrasonic transducers, and the side of the front cover plate 200 of the plurality of ultrasonic transducers, which is far away from the transition piece 400, is fixedly connected with the upper surface of the bottom plate 28.

The working principle and the beneficial effects of the technical scheme are as follows: the ultrasonic device provided by the invention also comprises a shell 27 with a sealed watertight structure, the bottom of the shell 27 is provided with a bottom plate 28, a plurality of ultrasonic transducers are arranged in the shell 27, a front cover plate 200 of each ultrasonic transducer is tightly adhered to the upper surface of the bottom plate 28, the bottom plate 28 is made of hard materials, preferably metal materials, so that the transmission of vibration is facilitated, and then the ultrasonic transducers can start to work.

Example 9

On the basis of embodiment 8, as shown in fig. 5, the ultrasonic apparatus further includes an adjustment assembly including:

the device comprises a first box body 1, wherein an electric lifting rod 2 is arranged in the first box body 1, and the upper end of the electric lifting rod 2 is fixedly connected with the inner wall of the upper end of the first box body 1;

the connecting column 3 is arranged at the lower end of the electric lifting rod 2, one end of the connecting column 3 is fixedly connected with the lower end of the electric lifting rod 2, and the other end of the connecting column 3 penetrates through the bottom wall of the first box body 1, extends to the outside of the first box body 1 and is fixedly connected with the upper surface of the shell 27;

the two sliding sleeves 4 are symmetrically arranged on the outer walls of the left side and the right side of the first box body 1, a first sliding rod 5 is arranged in each sliding sleeve 4 in a sliding mode, one end, far away from the electric lifting rod 2, of each first sliding rod 5 extends to the outside of each sliding sleeve 4 and is provided with a baffle, a plurality of through holes are formed in each baffle and penetrate through the left side wall and the right side wall of each baffle, one end, close to the electric lifting rod 2, of each first sliding rod 5 extends to the inside of the first box body 1 and is provided with a first connecting rod 6, one end, close to the electric lifting rod 2, of each first sliding rod 6 is hinged to one end, close to the electric lifting rod 2, of each first sliding rod 5, the other end of each first connecting rod 6 is hinged to the side wall of the connecting column 3, and the first sliding rods 5 are slidably connected to the side wall of the first box body 1;

the first motor 7 is arranged on the upper surface of the first box body 1, and one end, far away from the first box body 1, of the first motor 7 is provided with an output shaft;

a first gear 8, the first gear 8 being provided on the output shaft;

the two supporting plates 9 are symmetrically arranged on the left side and the right side of the first motor 7, and the bottom of each supporting plate 9 is fixedly connected with the upper surface of the first box body 1;

the two second slide bars 10 are arranged on the front side and the rear side of the first gear 8 in a centrosymmetric manner, the second slide bars 10 are parallel to the first slide bar 5, the second slide bars 10 are in sliding connection with guide holes in the supporting plate 9, one side of each second slide bar 10, which faces the first gear 8, is provided with teeth, the toothed side of each second slide bar 10 is meshed with the teeth of the first gear 8, one end, far away from the first gear 8, of each second slide bar 10 is provided with a fixing plate 11, the fixing plate 11 is perpendicular to the second slide bars 10, and the left side wall and the right side wall of each fixing plate 11 are provided with anti-skidding blocks 12.

The working principle and the beneficial effects of the technical scheme are as follows: most of the existing ultrasonic devices are installed in a fixed installation mode and are not easy to detach, after the ultrasonic devices are installed, the ultrasonic devices cannot be adjusted in position, the ultrasonic devices are used, the cleaning range of the ultrasonic devices is small in the cleaning field, and the cleaning effect is reduced, therefore, the invention provides an adjusting assembly, when the adjusting assembly is used, the lower end of a connecting post 3 is fixedly connected with the upper surface of a shell 27, the fixed connection mode can adopt the existing gluing mode or bolt connection mode, after the ultrasonic devices are installed, a first motor 7 is started, the first motor 7 rotates to drive a first gear 8 to rotate, the first gear 8 can drive a second slide rod 10 to slide in a supporting plate 9 through meshing with one side with teeth of the second slide rod 10, so as to drive a fixed plate 11 to move, anti-skid blocks 12 are arranged on two sides of the fixed plate 11, when the adjusting assembly needs to be installed outside, the two anti-skid blocks 12 close to the supporting plate 9 can be in contact with the outer walls of the installation surfaces on two sides, thereby completing the external installation of the adjusting assembly, when the adjusting assembly needs to be installed inside, two anti-skid blocks 12 far away from the support plate 9 can contact with the inner walls of the installation surfaces at two sides, thereby completing the internal installation of the adjusting assembly, realizing the flexible installation of the ultrasonic device, and starting the first motor 7 to control the fixing plates 11 at two sides to be far away from or close to each other, thereby facilitating the adjustment of the position of the ultrasonic device, thereby enabling the ultrasonic transducer to be attached to the surface to be processed, an electric lifting rod 2 is also arranged in the first box body 1, the electric lifting rod 2 is started, the electric lifting rod 2 extends out and drives the shell 27 to move downwards through the connecting column 3, the shell 27 drives the ultrasonic transducer to move downwards, so that the ultrasonic transducer can move downwards along the axial direction, thereby facilitating the extension of the ultrasonic transducer to a deeper position, meanwhile, the connecting column 3 drives the first slide bar 5 to slide in the sliding sleeve 4 towards the direction close to the electric lifting column through the first connecting rod 6, the first slide bar 5 drives the baffle plate to move, the baffle plate can stir liquid during cleaning, which is helpful for improving the cleaning speed of the ultrasonic device, a plurality of through holes are arranged in the baffle plate, the resistance during the baffle plate movement can be reduced by arranging the through holes, the power of the electric lifting rod 2 is reduced, the energy-saving purpose is achieved, the electric lifting rod 2 can realize up-and-down stretching, the positions of the shell 27 and the ultrasonic transducer can be conveniently adjusted, the ultrasonic transducer can be attached to a surface to be processed, the efficiency of the ultrasonic device is improved, the position of the ultrasonic device can be flexibly adjusted by arranging the adjusting component, the ultrasonic device is more convenient to install, the ultrasonic device can be quickly disassembled and assembled, the ultrasonic device with the ultrasonic transducer can greatly improve the ultrasonic energy conversion efficiency, the integral working efficiency of the ultrasonic device is improved, by arranging the first box body 1, first box 1 adopts seal structure, and liquid gets into first box 1 inside and influence the work of electric lift post when can avoiding wasing, through setting up electric lift pole 2, is convenient for adjust ultrasonic transducer's axial position for ultrasonic transducer's working face and machined surface laminating, work efficiency obtains further improvement.

Example 10

On the basis of embodiment 5, as shown in fig. 6, the ultrasonic apparatus further includes a clearing assembly, the clearing assembly including:

the outer wall of the left side of the second box body 13 is fixedly connected with the upper surface of the shell 27, the right side wall of the second box body 13 is provided with a second through hole 14, and the second through hole 14 is long-strip-shaped;

the second motor 15 is arranged inside the second box body 13, the fixed end of the second motor 15 is fixedly connected with the inner wall of the rear side of the second box body 13, and the output end of the second motor 15 is provided with a first rotating shaft 16;

a second gear 17, wherein the second gear 17 is arranged on the first rotating shaft 16, and the second gear 17 is an incomplete gear;

the rack 18 is arranged on the right side of the second gear 17, both left and right side walls of the rack 18 are provided with teeth, the left side of the rack 18 is meshed with the teeth of the second gear 17, a third slide bar 19 is arranged at the lower end of the rack 18, one end of the third slide bar 19 is fixedly connected with the lower end of the rack 18, the other end of the third slide bar 19 penetrates through the lower end of the second box 13 and extends to the outside of the second box 13, and the third slide bar 19 is connected with the bottom wall of the second box 13 in a sliding manner;

the spring 20 is sleeved on the third sliding rod 19, one end of the spring 20 is fixedly connected with the bottom wall of the second box body 13, and the other end of the spring 20 is fixedly connected with one end, far away from the second box body 13, of the third sliding rod 19;

the two connecting rods 21 are symmetrically arranged on the left side and the right side of the lower end of the third slide bar 19, one end of each connecting rod 21 is fixedly connected with the side wall of the lower end of the third slide bar 19, a scraper 22 is arranged at one end, far away from the third slide bar 19, of each connecting rod 21, the scraper 22 is perpendicular to the third slide bar 19, and two ends of the upper end of each scraper 22 are both provided with inclined planes;

the second rotating shaft 23 is arranged on the right side of the rack 18, a third gear 24 is arranged on the second rotating shaft 23, and the third gear 24 is meshed with the right side of the rack 18 in a tooth form;

and one end of the swinging rod 25 is fixedly connected with the front end of the second rotating shaft 23, and the other end of the swinging rod 25 penetrates through the second through hole 14, extends to the outside of the right side wall of the second box body 13 and is provided with a knocking block 26.

The working principle and the beneficial effects of the technical scheme are as follows: the ultrasonic device is also provided with a clearing component, the outer wall of the left side of a second box body 13 of the clearing component is fixedly connected with the upper surface of a shell 27, the clearing component can clear rubbish attached to the surface to be cleaned, when the clearing component is used, a second motor 15 is started firstly, the second motor 15 rotates to drive a first rotating shaft 16 to rotate, the first rotating shaft 16 rotates to drive a second gear 17 to rotate, the second gear 17 is an incomplete gear, the second gear 17 is intermittently meshed with a rack 18 when rotating, when the second gear 17 is meshed with the rack 18, the second gear 17 drives the rack 18 to move downwards, the rack 18 drives a third sliding rod 19 to slide downwards, the third sliding rod 19 drives a scraper 22 to move downwards through a connecting rod 21, a spring 20 is stretched, the connecting rod 21 is set to be a telescopic rod, so that the scraper 22 can be contacted with the surface to be cleaned, and the scraper 22 can downwardly remove the rubbish attached to the part of the surface to be cleaned, meanwhile, when the rack 18 moves downwards, the rack is meshed with a third gear 24, the third gear 24 rotates to drive a second rotating shaft 23 to rotate, the second rotating shaft 23 rotates to drive a swinging rod 25 to swing, the swinging rod 25 drives a knocking block 26 to knock the surface to be cleaned, so that the surface to be cleaned vibrates, attached garbage is easier to vibrate from the surface to be cleaned, after the second gear 17 is meshed with the rack 18, under the action of a spring 20, a third sliding rod 19 drives the rack 18 to recover to the original position, the rack 18 drives the second rotating shaft 23 to rotate through the third gear 24, the swinging rod 25 recovers to the original position, and through the arrangement of a cleaning component, when an ultrasonic device with an ultrasonic transducer is adopted for cleaning, the cleaning effect can be improved by utilizing the high energy conversion efficiency of the ultrasonic transducer, and the scraper 22 can be used for scraping the garbage attached to the surface to be cleaned to eliminate stubborn dirt, meanwhile, part of attached garbage can be vibrated down by utilizing the reciprocating knocking of the knocking block 26, so that the cleaning effect is further improved, and the cleaning capability of the ultrasonic device is greatly improved.

Example 11

On the basis of embodiment 1, the method further comprises the following steps:

a first capacitance detector electrically connected to the first excitation assembly 300, the first capacitance detector being configured to detect a dynamic capacitance of the first excitation assembly 300;

a second capacitance detector electrically connected to the second excitation assembly 500, the second capacitance detector being configured to detect a dynamic capacitance of the second excitation assembly 500;

a first inductance detector electrically connected to the first excitation assembly 300, the first inductance detector being configured to detect a dynamic inductance of the first excitation assembly 300;

a second inductance detector electrically connected to the second excitation assembly 500, the second inductance detector being configured to detect a dynamic inductance of the second excitation assembly 500;

a first resistance detector electrically connected to the first excitation assembly 300, the first resistance detector being configured to detect a dynamic resistance of the first excitation assembly 300;

a second resistance detector electrically connected to the second excitation assembly 500, the second resistance detector being configured to detect a dynamic resistance of the second excitation assembly 500;

the alarm is arranged on the side wall of the transition piece 400;

the controller is arranged on the side wall of the transition piece 400 and is electrically connected with the first capacitance detector, the second capacitance detector, the first inductance detector, the second inductance detector, the first resistance detector, the second resistance detector and the alarm respectively;

the controller controls the alarm to work based on detection values of the first capacitance detector, the second capacitance detector, the first inductance detector, the second inductance detector, the first resistance detector and the second resistance detector, and the method comprises the following steps:

step 1: based on the detection values of the first capacitance detector, the second capacitance detector, the first inductance detector, the second inductance detector, the first resistance detector, and the second resistance detector, an actual ratio of the equivalent impedance of the first excitation assembly 300 to the equivalent impedance of the second excitation assembly 500 is calculated by the following formula:

wherein Q is₁Is the ratio of the equivalent impedance of the first driving assembly 300 to the equivalent impedance of the second driving assembly 500, R₁The dynamic resistance, L, of the first drive assembly 300 as sensed by the first resistance sensor₁The dynamic inductance, C, of the first drive assembly 300 detected by the first inductance detector₁The dynamic capacitance, C, of the first drive assembly 300 detected by the first capacitance detector₀Is the initial static capacitance, R, of the first drive assembly 300₂The dynamic resistance, L, of the second drive assembly 500 as sensed by the second resistance sensor₂Dynamic inductance, C, of the second drive assembly 500 for detection by the second inductance detector₂Dynamic capacitance, C, of the second drive assembly 500 for detection by the second capacitance detector₃Is the initial static capacitance of the second drive assembly 500;

step 2: the controller compares the actual ratio of the equivalent impedance of the first excitation assembly 300 to the equivalent impedance of the second excitation assembly 500 with a preset ratio, wherein the preset ratio is in the range of 0.9-1.1, and when the actual ratio of the equivalent impedance of the first excitation assembly 300 to the equivalent impedance of the second excitation assembly 500 is not in the preset ratio, the controller controls the alarm to alarm.

The working principle and the beneficial effects of the technical scheme are as follows: in order to ensure that the resonant frequencies of the first excitation assembly 300 and the second excitation assembly 500 are close to each other, the invention further provides a first capacitance detector, a second capacitance detector, a first inductance detector, a second inductance detector, a first resistance detector and a second resistance detector for detecting the dynamic capacitance, the dynamic inductance and the dynamic resistance of the first excitation assembly 300 and the second excitation assembly 500, so as to monitor the first excitation assembly 300 and the second excitation assembly 500 in real time, calculate the actual ratio of the equivalent impedance of the first excitation assembly 300 to the equivalent impedance of the second excitation assembly 500 through a formula, accurately obtain the actual ratio of the equivalent impedance of the first excitation assembly 300 to the equivalent impedance of the second excitation assembly 500 through the calculation, and in the calculation, take the dynamic resistance of the first excitation assembly 300 as 220 muQ, the dynamic capacitance as 600 muF, the dynamic inductance as 300 muH and the initial static capacitance as 200 muF, then the moleculeThe calculation result of (d) is 0.0207 μ Q, and the denominator is obtained by taking the dynamic resistance of the second excitation component 500 as 215 μ Q, the dynamic capacitance as 700 μ F, the dynamic inductance as 220 μ H, and the initial static capacitance as 210 μ FThe calculated result of (1) was 0.015. mu.Q, Q₁The calculation result is 1.6, so the actual ratio of the equivalent impedance of the first excitation assembly 300 to the equivalent impedance of the second excitation assembly 500 is not within the preset ratio range (0.9-1.1), at this time, the controller controls the alarm to send an alarm prompt, and a worker can timely detect the first excitation assembly 300 and the second excitation assembly 500 according to the alarm prompt, so that damaged parts are replaced, the difference between the excitation frequencies of the first excitation assembly 300 and the second excitation assembly 500 of the ultrasonic transducer is ensured to be small, the working frequency ranges of the transducer are connected, the frequency band is widened, and the energy conversion efficiency of the ultrasonic transducer is improved.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.