CN112122088B - Hyperboloid transducer - Google Patents
Hyperboloid transducer Download PDFInfo
- Publication number
- CN112122088B CN112122088B CN201910550427.1A CN201910550427A CN112122088B CN 112122088 B CN112122088 B CN 112122088B CN 201910550427 A CN201910550427 A CN 201910550427A CN 112122088 B CN112122088 B CN 112122088B
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- shell
- cap
- transducer
- electrode
- ultrasonic transducer
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- 239000000919 ceramic Substances 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
- B06B1/0662—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 with an electrode on the sensitive surface
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
Abstract
In order to solve the problem of low utilization rate of the piezoelectric ceramic sheet of the existing ultrasonic transducer, the invention provides a hyperboloid transducer, which comprises: the support 1, first shell 2, second shell 3, the wire outlet connector 4, the wire outlet nut 5, double-end ultrasonic transducer 6, support 1 includes base 11 and support hold up 12, the one end of first shell 2 is equipped with first internal thread 21, the one end of second shell 3 is equipped with first external screw thread 31, and first internal thread 21 and first external screw thread 31 can match, and be equipped with the sealing washer between first internal thread 21 and first external screw thread 31, be equipped with first through-hole 22 on the lateral wall of first shell 2, first through-hole 22 penetrates wire outlet connector 4 from outside, wire outlet connector 4 big head part exposes in the lateral wall outside of first shell 2, the bottom of wire outlet connector 4 is equipped with fixed column 42, fixed column 42 passes first through-hole 22.
Description
Technical Field
The invention relates to the technical field of ultrasonic transducers, in particular to a hyperboloid transducer.
Background
At present, the existing ultrasonic transducer adopts a one-way wave mode instead of a two-way wave mode, and the main reason is that the existing ultrasonic transducer is basically two application modes according to the use scene of the existing ultrasonic transducer, wherein the first application mode is that the ultrasonic transducer is directly arranged at the bottom of a container, water is filled in the container, and ultrasonic waves are emitted by the ultrasonic transducer so as to clean objects in the container; the second application mode is that an independent inner container is arranged in the container, an ultrasonic transducer is arranged in the independent inner container, and the vibration generating surface of the ultrasonic transducer faces to the center of the container, so that objects in the container are cleaned. Due to the limitation of the application scene of the ultrasonic transducer, the technical personnel developing the ultrasonic transducer in the industry have solid thinking, and the ultrasonic transducer with unidirectional wave generation is always designed and manufactured. The most basic principle of the operation of the ultrasonic wave with the piezoelectric effect most commonly used at present is that the ultrasonic wave is generated by the piezoelectric effect through the ceramic plate, the generated ultrasonic wave is bidirectional ultrasonic wave, in the design process of the conventional ultrasonic transducer, in order to realize unidirectional transmission, the ultrasonic wave in one direction is absorbed or reflected to the other direction, but in either way, the ultrasonic wave is artificially interfered, so that the utilization rate of the ultrasonic wave generated by the piezoelectric ceramic is reduced.
Disclosure of Invention
In order to solve the problems, and break through the inherent thinking of the technicians in the field of the existing ultrasonic transducers, the invention provides a hyperboloid transducer, which changes the installation mode of the traditional ultrasonic transducer, does not sacrifice the ultrasonic waves of one surface, reasonably utilizes the ultrasonic waves of two surfaces, and maximizes the utilization rate of the ultrasonic waves generated by piezoelectric ceramics. Furthermore, the fixing mode of the traditional ultrasonic transducer is changed, the hyperboloid transducer can be directly fixed at any position in the tank body, and is not limited to the bottom of the outer wall of the tank body, and the installation mode is more efficient and convenient than that of the traditional ultrasonic transducer.
A hyperboloid transducer, comprising: the device comprises a bracket 1, a first shell 2, a second shell 3, a wire outlet connector 4, a wire outlet nut 5 and a double-head ultrasonic transducer 6, wherein the bracket 1 comprises a base 11 and a bracket supporting 12, one end of the first shell 2 is provided with a first internal thread 21, one end of the second shell 3 is provided with a first external thread 31, the first internal thread 21 and the first external thread 31 can be matched, a sealing ring is arranged between the first internal thread 21 and the first external thread 31, a first through hole 22 is arranged on the side wall of the first shell 2, the first through hole 22 penetrates into the wire outlet connector 4 from outside, the large end part of the wire outlet connector 4 is exposed outside the side wall of the first shell 2, the bottom of the wire outlet connector 4 is provided with a fixed column 42, and the fixed column 42 penetrates through the first through hole 22; the outlet nut 5 is arranged inside the side wall of the first shell 2, a second internal threaded hole 51 is arranged in the middle of the outlet nut 5, and the second internal threaded hole 51 can be matched with an external threaded hole outside the fixed column 42; the method is characterized in that: the double-head ultrasonic transducer 6 is positioned inside the first shell 2 and the second shell 3, a circular through hole is formed in the middle of the first shell 2 and the second shell 3, the first cap 61 of the double-head ultrasonic transducer 6 is just clamped in the circular through hole of the first shell 2, and the second cap 68 of the double-head ultrasonic transducer 6 is just clamped in the circular through hole of the second shell 3; the base 11 is vertically and fixedly connected with the support 12, and the whole formed after the first shell 2 and the second shell 3 are assembled is clamped inside the support 12.
Further, the first cap 61 and the second cap 68 of the double-ended ultrasonic transducer 6 are both curved structures or tapered structures protruding by a certain height.
Further, the double-ended ultrasonic transducer 6 internally includes piezoelectric ceramic plates, and the number of the piezoelectric ceramic plates is one of 1, 2,4, 6 or 8.
Further preferably, the number of piezoelectric ceramic plates in the double-ended ultrasonic transducer 6 is 4, namely a first ceramic plate 63, a second ceramic plate 64, a third ceramic plate 65 and a fourth ceramic plate 66, the double-ended ultrasonic transducer 6 is sequentially provided with a first cover cap 61, a first front cover 62, a first electrode plate 691, a first ceramic plate 63, a second electrode plate 692, a second ceramic plate 64, a third electrode plate 693, a third ceramic plate 65, a fourth electrode plate 694, a fourth ceramic plate 66, a second front cover 67 and a second cover cap 68 from right to left, and the centers of the first front cover 62, the first electrode plate 691, the first ceramic plate 63, the second electrode plate 692, the second ceramic plate 64, the third electrode plate 693, the third ceramic plate 65, the fourth electrode plate 694, the fourth ceramic plate 66 and the second front cover 67 are provided with round holes, and round holes penetrating through the locking screw rods 7 are connected and fixed; the first electrode piece 691 and the third electrode piece 693 are connected to the negative electrode, and the second electrode piece 692 and the fourth electrode piece 694 are connected to the positive electrode.
Further, a negative electrode connection wire connected to the first electrode piece 691 and the third electrode piece 693, and a positive electrode connection wire connected to the second electrode piece 692 and the fourth electrode piece 694 are respectively threaded through the threading holes 41 to the outside of the hyperboloid transducer.
Further, the first cap 61 and the first front cap 62 are fixedly connected by glue, and the second cap 68 and the second front cap 67 are fixedly connected by glue, so that smooth transmission of ultrasonic energy from the first front cap 62 to the first cap 61 and from the second front cap 67 to the second cap 68 can be ensured.
Further, the outer surfaces of the first cap 61 and the second cap 68 are outwardly convex arc structures with certain heights, and the inner surfaces of the first cap 61 and the second cap 68 are planar structures or outwardly convex arc structures with certain heights.
Further, when the inner surfaces of the first cap 61 and the second cap 68 are planar structures, the first vibration generating surface and the second vibration generating surface are planar structures; when the inner surfaces of the first cap 61 and the second cap 68 are outwardly convex arc surface structures with a certain height, the inner surfaces of the first vibration generating surface and the second vibration generating surface are planar structures or outwardly convex arc surface structures with a certain height.
Compared with the traditional ultrasonic transducer with a single-sided vibration surface, the hyperboloid transducer has the advantages that the sound intensity is improved by 2-4 times, and the utilization rate of piezoelectric ceramic plates in the ultrasonic transducer can be effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of a hyperboloid transducer of the present invention.
Fig. 2 is a schematic structural diagram of a hyperboloid transducer of the present invention.
Fig. 3 is a schematic structural view of the hyperboloid transducer of the present invention.
Fig. 4 is an exploded view of a dual-head ultrasonic transducer.
Fig. 5 is an exploded view of a dual-head ultrasonic transducer.
Fig. 6 is an exploded view of a dual-head ultrasonic transducer.
Description of the main reference signs
| Support frame | 1 |
| Base seat | 11 |
| Support frame supporting | 12 |
| First outer casing | 2 |
| First internal thread | 21 |
| First through hole | 22 |
| Second housing | 3 |
| First external thread | 31 |
| Outlet connector | 4 |
| Threading hole | 41 |
| Fixing column | 42 |
| Outlet nut | 5 |
| Second internal threaded hole | 51 |
| Double-head ultrasonic transducer | 6 |
| First cap | 61 |
| First front cover | 62 |
| First ceramic sheet | 63 |
| Second ceramic plate | 64 |
| Third ceramic plate | 65 |
| Fourth ceramic wafer | 66 |
| Second front cover | 67 |
| Second cap | 68 |
| Electrode plate | 69 |
| First electrode plate | 691 |
| Second electrode plate | 692 |
| Third electrode plate | 693 |
| Fourth electrode plate | 694 |
| Locking screw | 7 |
The invention will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
Specific embodiment case 1:
1-3, FIG. 1 is a schematic diagram of a hyperboloid transducer of the present invention; as shown in fig. 4-6, are exploded views of the dual-head ultrasonic transducer 6. A hyperboloid transducer, comprising: the device comprises a bracket 1, a first shell 2, a second shell 3, a wire outlet connector 4, a wire outlet nut 5 and a double-head ultrasonic transducer 6, wherein the bracket 1 comprises a base 11 and a bracket supporting 12, one end of the first shell 2 is provided with a first internal thread 21, one end of the second shell 3 is provided with a first external thread 31, the first internal thread 21 and the first external thread 31 can be matched, a sealing ring is arranged between the first internal thread 21 and the first external thread 31, a first through hole 22 is arranged on the side wall of the first shell 2, the first through hole 22 penetrates into the wire outlet connector 4 from outside, the large end part of the wire outlet connector 4 is exposed outside the side wall of the first shell 2, the bottom of the wire outlet connector 4 is provided with a fixed column 42, and the fixed column 42 penetrates through the first through hole 22; the outlet nut 5 is arranged inside the side wall of the first shell 2, a second internal threaded hole 51 is arranged in the middle of the outlet nut 5, and the second internal threaded hole 51 can be matched with an external threaded hole outside the fixed column 42; the method is characterized in that: the double-head ultrasonic transducer 6 is positioned inside the first shell 2 and the second shell 3, a circular through hole is formed in the middle of the first shell 2 and the second shell 3, the first cap 61 of the double-head ultrasonic transducer 6 is just clamped in the circular through hole of the first shell 2, and the second cap 68 of the double-head ultrasonic transducer 6 is just clamped in the circular through hole of the second shell 3; the base 11 is vertically and fixedly connected with the support 12, and the whole formed after the first shell 2 and the second shell 3 are assembled is clamped inside the support 12.
The first cap 61 and the second cap 68 of the double-ended ultrasonic transducer 6 have a curved surface structure with a certain height.
The number of the piezoelectric ceramic plates in the double-head ultrasonic transducer 6 is 4, namely a first ceramic plate 63, a second ceramic plate 64, a third ceramic plate 65 and a fourth ceramic plate 66, the double-head ultrasonic transducer 6 is sequentially provided with a first cover 61, a first front cover 62, a first electrode plate 691, a first ceramic plate 63, a second electrode plate 692, a second ceramic plate 64, a third electrode plate 693, a third ceramic plate 65, a fourth electrode plate 694, a fourth ceramic plate 66, a second front cover 67 and a second cover 68 from right to left, and the centers of the first front cover 62, the first electrode plate 691, the first ceramic plate 63, the second electrode plate 692, the second ceramic plate 64, the third electrode plate 693, the third ceramic plate 65, the fourth electrode plate 694, the fourth ceramic plate 66 and the second front cover 67 are provided with round holes, and the round holes penetrate through the locking screw rods 7 for connection and fixation; the first electrode piece 691 and the third electrode piece 693 are connected to the negative electrode, and the second electrode piece 692 and the fourth electrode piece 694 are connected to the positive electrode.
The negative electrode connecting wires connected with the first electrode plate 691 and the third electrode plate 693, and the positive electrode connecting wires connected with the second electrode plate 692 and the fourth electrode plate 694 respectively pass through the threading holes 41 and are penetrated out of the hyperboloid transducer.
The first cover cap 61 and the first front cover 62 are fixedly connected by using glue, and the second cover cap 68 and the second front cover cap 67 are fixedly connected by using glue, so that smooth transmission of ultrasonic energy from the first front cover cap 62 to the first cover cap 61 and from the second front cover cap 67 to the second cover cap 68 can be ensured.
The outer surfaces of the first cap 61 and the second cap 68 are outwardly convex arc structures with a certain height, and the inner surfaces of the first cap 61 and the second cap 68 are planar structures or outwardly convex arc structures with a certain height.
When the inner surfaces of the first cap 61 and the second cap 68 are planar structures, the first vibration generating surface and the second vibration generating surface are planar structures; when the inner surfaces of the first cap 61 and the second cap 68 are outwardly convex arc surface structures with a certain height, the inner surfaces of the first vibration generating surface and the second vibration generating surface are planar structures or outwardly convex arc surface structures with a certain height.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (7)
1. A hyperboloid transducer, comprising: the device comprises a support (1), a first shell (2), a second shell (3), a wire outlet connector (4), a wire outlet nut (5) and a double-head ultrasonic transducer (6), wherein the support (1) comprises a base (11) and a support supporting part (12), one end of the first shell (2) is provided with a first internal thread (21), one end of the second shell (3) is provided with a first external thread (31), the first internal thread (21) and the first external thread (31) can be matched, a sealing ring is arranged between the first internal thread (21) and the first external thread (31), a first through hole (22) is formed in the side wall of the first shell (2), the first through hole (22) penetrates into the wire outlet connector (4) from the outside, the big head part of the wire outlet connector (4) is exposed outside the side wall of the first shell (2), and a fixing column (42) is arranged at the bottom of the wire outlet connector (4) and penetrates through the first through hole (22); the wire outlet nut (5) is arranged inside the side wall of the first shell (2), a second internal threaded hole (51) is formed in the middle of the wire outlet nut (5), and the second internal threaded hole (51) can be matched with an external threaded hole outside the fixed column (42); the method is characterized in that: the double-head ultrasonic transducer (6) is positioned inside the first shell (2) and the second shell (3), a circular through hole is formed in the middle of the first shell (2) and the second shell (3), a first cap (61) of the double-head ultrasonic transducer (6) is just clamped in the circular through hole of the first shell (2), and a second cap (68) of the double-head ultrasonic transducer (6) is just clamped in the circular through hole of the second shell (3); the base (11) is vertically and fixedly connected with the support (12), the whole clamp formed after the first shell (2) and the second shell (3) are assembled is connected inside the support (12), and the first cap (61) and the second cap (68) of the double-head ultrasonic transducer (6) are of a curved surface structure or a conical structure with a certain protruding height.
2. The hyperboloid transducer of claim 1 wherein: the double-head ultrasonic transducer (6) internally comprises piezoelectric ceramic plates, and the number of the piezoelectric ceramic plates is one of 1,2, 4, 6 or 8.
3. The hyperboloid transducer of claim 2 wherein: the number of the electrode ceramic plates in the double-head ultrasonic transducer (6) is 4, namely a first ceramic plate (63), a second ceramic plate (64), a third ceramic plate (65) and a fourth ceramic plate (66), the double-head ultrasonic transducer (6) sequentially comprises a first cap (61), a first front cover (62), a first electrode plate (691), a first ceramic plate (63), a second electrode plate (692), a second ceramic plate (64), a third electrode plate (693), a third ceramic plate (65), a fourth electrode plate (694), a fourth ceramic plate (66), a second front cover (67) and a second cap (68) from right to left, and the centers of the first front cover (62), the first electrode plate (691), the first ceramic plate (63), the second electrode plate (692), the second ceramic plate (64), the third electrode plate (693), the third ceramic plate (65), the fourth electrode plate (694), the fourth ceramic plate (66) and the second front cover (67) are provided with round holes (7) which penetrate through and are fixedly connected with the round holes; the first electrode sheet (691) and the third electrode sheet (693) are connected to the negative electrode, and the second electrode sheet (692) and the fourth electrode sheet (694) are connected to the positive electrode.
4. A hyperboloid transducer as defined in claim 3, wherein: and a negative electrode connecting wire connected with the first electrode plate (691) and the third electrode plate (693), and a positive electrode connecting wire connected with the second electrode plate (692) and the fourth electrode plate (694) respectively pass through the threading holes (41) and penetrate out of the hyperboloid transducer.
5. A hyperboloid transducer as defined in claim 3, wherein: glue is used for fixedly connecting the first cover cap (61) and the first front cover (62), and glue is used for fixedly connecting the second cover cap (68) and the second front cover (67), so that ultrasonic waves can be smoothly transmitted from the first front cover (62) to the first cover cap (61) and transmitted from the second front cover (67) to the second cover cap (68).
6. A hyperboloid transducer as defined in claim 3, wherein: the outer surfaces of the first cap (61) and the second cap (68) are cambered structures which protrude outwards and have a certain height, and the inner surfaces of the first cap (61) and the second cap (68) are planar structures or cambered structures which protrude outwards and have a certain height.
7. The hyperboloid transducer of claim 6 wherein: when the inner surfaces of the first cap (61) and the second cap (68) are in a planar structure, the first vibration generating surface and the second vibration generating surface are in a planar structure; when the inner surfaces of the first cap (61) and the second cap (68) are outwards convex arc-surface structures with certain heights, the inner surfaces of the first vibration generating surface and the second vibration generating surface are plane structures or outwards convex arc-surface structures with certain heights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910550427.1A CN112122088B (en) | 2019-06-24 | 2019-06-24 | Hyperboloid transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910550427.1A CN112122088B (en) | 2019-06-24 | 2019-06-24 | Hyperboloid transducer |
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| Publication Number | Publication Date |
|---|---|
| CN112122088A CN112122088A (en) | 2020-12-25 |
| CN112122088B true CN112122088B (en) | 2024-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910550427.1A Active CN112122088B (en) | 2019-06-24 | 2019-06-24 | Hyperboloid transducer |
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| Country | Link |
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| CN (1) | CN112122088B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210730074U (en) * | 2019-06-24 | 2020-06-12 | 苏州嘉辉超声波科技有限公司 | Hyperboloid transducer |
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