CN211051858U - Ultrasonic transducer - Google Patents
Ultrasonic transducer Download PDFInfo
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- CN211051858U CN211051858U CN201921571590.8U CN201921571590U CN211051858U CN 211051858 U CN211051858 U CN 211051858U CN 201921571590 U CN201921571590 U CN 201921571590U CN 211051858 U CN211051858 U CN 211051858U
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- front cover
- ultrasonic transducer
- housing
- transducer
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Abstract
The utility model relates to an ultrasonic device field discloses an ultrasonic transducer. An ultrasonic transducer comprises a front cover, wherein a convex ring is arranged at one end of the front cover, annular grooves are respectively formed in the end face, connected with the front cover, of the convex ring and the end face, opposite to the front cover, of the convex ring, the two annular grooves are arranged at intervals, one of the annular grooves is arranged close to the outer circular surface of the convex ring and forms a first thin wall with the outer circular surface, and a second thin wall is formed between the two annular grooves. The utility model discloses a thin-walled structure of protecgulum realizes the stress of release node, increases transduction efficiency, has solved the low and short-lived problem of ultrasonic transducer energy conversion efficiency, and this ultrasonic transducer has improved energy conversion's efficiency, has promoted life, makes the transducer be applicable to high-power transducer field more.
Description
Technical Field
The utility model relates to an ultrasonic device field especially relates to an ultrasonic transducer.
Background
Ultrasonic transducers are energy conversion equipment for converting electric energy into mechanical vibration energy, and are widely used in the application fields of welding, cutting and the like which require high-power equipment. At present, a high-power ultrasonic transducer faces the problems that the energy conversion rate of the transducer is low, the service life is difficult to guarantee, and the like, so that the transducer is difficult to be suitable for high-power application scenes.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ultrasonic transducer improves its transduction efficiency and can improve life, makes ultrasonic transducer be applicable to high-power transducer fields such as welding, cutting.
To achieve the purpose, the utility model adopts the following technical proposal:
an ultrasonic transducer comprising a housing and a front cover, wherein one end of the front cover is provided with a raised ring configured to locate the position of the front cover inside the housing;
annular grooves are respectively formed in the end face, connected with the front cover, of the convex ring and the end face, opposite to the front cover, of the convex ring, and the two annular grooves are arranged at intervals;
one of the ring grooves is arranged close to the outer circular surface of the convex ring and forms a first thin wall between the ring grooves and the outer circular surface, and a second thin wall is formed between the two ring grooves.
Preferably, the inside first joint portion that is equipped with of casing, first thin wall joint in first joint portion, just first thin wall with the inside wall laminating of casing.
Preferably, a first groove is formed in the contact surface of the shell and the first thin wall along the circumferential direction, and a first sealing ring is arranged in the first groove.
Preferably, a locking flange ring is hermetically and threadedly connected to the inside of one end of the housing connected to the front cover, and the locking flange ring is configured to fix the front cover.
Preferably, the locking flange ring is sleeved on the front cover, a second groove is formed in the contact surface of the locking flange ring and the front cover along the circumferential direction, and a second sealing ring is arranged in the second groove.
Preferably, the inside second joint portion that is equipped with of casing, locking flange ring joint in second joint portion, locking flange ring is close to second joint portion department is equipped with the third recess along circumference, be equipped with the third sealing washer in the third recess.
Preferably, the locking flange ring further comprises an end portion abutting the male ring.
Preferably, the reflection block is fixedly connected with the convex ring through a locking bolt, an insulating positioning sleeve is sleeved on the locking bolt between the reflection block and the convex ring, and a piezoelectric ceramic wafer and an electrode plate are sleeved on the insulating positioning sleeve in an inserting mode.
Preferably, a rear opening is formed in one end, opposite to the front cover, of the shell, a waterproof connector is arranged at the rear opening, and a cable penetrates through the waterproof connector and extends into the shell.
Preferably, a fourth sealing ring is arranged between the waterproof joint and the shell.
The utility model has the advantages that:
the stress at the node is released through the thin-wall structure of the front cover, the transduction efficiency is increased, the problems that the energy conversion efficiency of the ultrasonic transducer is low and the service life is short are solved, the efficiency of energy conversion is improved by the ultrasonic transducer, the service life is prolonged, and the transducer is more suitable for the field of high-power transducers.
Drawings
Fig. 1 is a schematic diagram of an ultrasonic transducer according to an embodiment of the present invention;
fig. 2 is a partially enlarged view of fig. 1 at a.
In the figure:
1. a housing; 11. a rear opening; 12. a first clamping part; 13. a second clamping part;
2. a front cover; 21. a convex ring; 211. a first ring groove; 212. a second ring groove; 213. a first thin wall; 214. a second thin wall;
3. a reflection block;
4. locking the flange ring; 41. an end portion;
5. a piezoelectric ceramic wafer;
6. an electrode sheet;
7. locking the bolt;
8. an insulating positioning sleeve;
9. a waterproof joint;
101. a first seal ring; 102. a second seal ring; 103. a third seal ring; 104. a fourth seal ring; 105. and (3) a cable.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The embodiment provides an ultrasonic transducer, and the ultrasonic transducer is suitable for the application field of high-power transducers. The prior high-power ultrasonic transducer has the problems of low energy conversion rate of the transducer, difficulty in ensuring the service life and the like.
In order to solve the above problem, the present embodiment provides an ultrasonic transducer, which is used to increase the energy conversion efficiency of the ultrasonic transducer and prolong the service life of the ultrasonic transducer. The ultrasonic transducer comprises a shell 1 and a front cover 2, wherein one end of the front cover 2 is provided with a convex ring 21, and the convex ring 21 is used for positioning the position of the front cover 2 in the shell 1.
Specifically, as shown in fig. 1 and fig. 2, the end face of the protruding ring 21 connected to the front cover 2 and the end face of the protruding ring 21 opposite to the front cover 2 are respectively provided with ring grooves, and the two ring grooves are arranged at intervals, wherein one ring groove is arranged close to the outer circular surface of the protruding ring 21 and forms a first thin wall 213 with the outer circular surface, and a second thin wall 214 is formed between the two ring grooves, so that the first thin wall 213 is used for positioning the position of the front cover 2 in the housing 1, thereby facilitating the determination of the node position of the transducer and facilitating the installation; the second thin wall 214 is used for releasing stress of the ultrasonic transducer at the node position, so that the energy loss of the transducer is small, the energy conversion efficiency between electric sound of the transducer is increased, and the service life of the transducer is prolonged.
In the present embodiment, the ring grooves include a first ring groove 211 and a second ring groove 212. The first ring groove 211 is formed in the end surface of the protruding ring 21 opposite to the front cover 2, the first ring groove 211 is arranged close to the outer circular surface of the protruding ring 21, and forms a first thin wall 213 with the outer circular surface, and the thickness of the first thin wall 213 is as small as possible on the premise that the strength of the protruding ring 21 is not affected. The second annular groove 212 is formed in the end surface where the protruding ring 21 is connected with the front cover 2, and a second thin wall 214 is formed between the second annular groove 212 and the first annular groove 211, so that the thickness of the second thin wall 214 is ensured to be as small as possible without affecting the strength of the protruding ring 21, which is not limited herein.
In other embodiments, the end surface of the protruding ring 21 connected to the front cover 2 may be provided with a first annular groove 211, the end surface of the protruding ring 21 opposite to the front cover 2 is provided with a second annular groove 212, and the first annular groove 211 and the second annular groove 212 may be provided in opposite directions, which is not limited herein.
Preferably, the inside of casing 1 is equipped with a boss as first joint portion 12 along circumference, and first thin wall 213 joint in first joint portion 12, and the laminating of the inside wall of first thin wall 213 and casing 1 uses the mode of joint to install protecgulum 2 on the casing, makes things convenient for dismouting, change and the maintenance of transducer, is favorable to prolonging its life.
In other embodiments, the structure of the first clamping portion 12 is not limited to the above structural form, and the function of clamping the convex ring 21 and positioning the convex ring 21 at the inner position of the housing 1 is achieved, and is not limited herein.
Further, a first groove is formed in the contact surface of the shell 1 and the first thin wall 213 along the circumferential direction, and a first sealing ring 101 is arranged in the first groove. The first groove is arranged on the inner side wall of the shell 1, so that the first thin wall 213 is prevented from being provided with a groove, the strength of the first thin wall 213 is ensured, and the service life of the transducer is prolonged. The first sealing ring 101 is arranged to improve the waterproof and dustproof performance, the piezoelectric ceramic wafer 5 in the transducer is guaranteed not to be affected by water vapor and dust to break, the service life of the transducer in a high-power application scene is prolonged, the buffer effect between the convex ring 21 and the shell 1 is achieved, ultrasonic energy loss is reduced, and the energy conversion efficiency of the transducer is improved.
Preferably, a locking flange ring 4 is connected with the inner sealing thread of one end of the shell 1 connected with the front cover 2, and the locking flange ring 4 is used for fixing the position of the front cover 2 in the shell 1. The locking flange ring 4 and the front cover 2 are arranged in a split mode, so that the design difficulty and the processing difficulty of the front cover 2 are reduced, the locking flange ring 4 and the shell 1 are in threaded connection, the disassembly and assembly mode of the transducer is simplified, the installation and the maintenance of the transducer are facilitated, and the service life of the transducer is prolonged.
Specifically, the front cover 2 is sleeved with the locking flange ring 4, a second groove is formed in the contact surface of the locking flange ring 4 and the front cover 2 along the circumferential direction, and a second sealing ring 102 is arranged inside the second groove. The second groove is arranged on the locking flange ring 4, so that the production and processing difficulty of the front cover 2 is reduced, and the strength of the front cover is ensured, so that the service life of the transducer is prolonged. The second sealing ring 102 is arranged to further seal the inside of the transducer, so that the waterproof and dustproof performance of the transducer is improved, the piezoelectric ceramic wafer 5 in the transducer is prevented from being broken due to the influence of water vapor and dust, the service life of the transducer in a high-power application scene is prolonged, and the transducer is more suitable for the application scene of the high-power transducer.
Further, casing 1 is inside to be equipped with a boss as second joint portion 13 along circumference, and locking flange ring 4 joint is in second joint portion 13, uses the mode location locking flange ring 4 of joint to make things convenient for the installation, the change and the maintenance of transducer more, is favorable to prolonging its life-span.
In other embodiments, the structure of the second clamping portion 13 is not limited to the above structure form, so as to achieve the functions of clamping the locking flange ring 4 and positioning the locking flange ring 4 at the inner position of the housing 1, and is not limited herein.
Further, a third groove is circumferentially arranged at a position, close to the second clamping portion 13, of the locking flange ring 4, and a third sealing ring 103 is arranged in the third groove. The third groove is arranged on the locking flange ring 4, so that the production and processing difficulty of the shell 1 is reduced, and the strength of the shell 2 is ensured, thereby avoiding reducing the service life of the transducer. The third sealing ring 103 is arranged to further seal the inside of the transducer, so that the waterproof and dustproof performance of the transducer is improved, the piezoelectric ceramic wafer 5 in the transducer is prevented from being broken due to the influence of water vapor and dust, and the service life of the transducer in a high-power application scene is prolonged.
Furthermore, the locking flange ring 4 further comprises an end portion 41, the end portion 41 is arranged on one end face of the locking flange ring 4, the end portion 41 is abutted against the end face of the convex ring 21, and the locking flange ring 4 is directly abutted against the convex ring 21, so that the position of the front cover 2 is locked, and the compactness of the whole structure of the transducer is improved.
Preferably, the ultrasonic transducer further comprises a reflection block 3, the reflection block 3 is fixedly connected with the convex ring 21 through a locking bolt 7, an insulating positioning sleeve 8 is sleeved on the locking bolt 7 between the reflection block 3 and the convex ring 21, a piezoelectric ceramic wafer 5 and an electrode plate 6 are sleeved on the insulating positioning sleeve 8, and the electrode plate 6 is clamped between the piezoelectric ceramic wafers 5 and between the piezoelectric ceramic wafer 5 and the convex ring 21 respectively. The sandwich type transducer structure is favorable for simplifying the installation and maintenance process of the transducer, prolonging the service life of the transducer and more favorable for ensuring the accuracy of the transducer node.
In the present embodiment, four piezoelectric ceramic wafers 5 and four electrode sheets 6 are provided. In other embodiments, the number of the piezoelectric ceramic wafers and the number of the electrode plates are set according to the power requirement of a specific transducer, and are not limited herein.
Preferably, a rear opening 11 is formed at one end of the housing 1 opposite to the front cover 2, a waterproof joint 9 is arranged at the rear opening 11, and the cable 105 penetrates through the waterproof joint 9 and extends into the housing 1. The shell 1 and the rear cover of the transducer are designed into an integrated structure, so that the waterproof and dustproof of the internal structure of the transducer can be realized, the sealing effect can be enhanced, the service life of the transducer can be prolonged, and the high-power transducer is more suitable for application scenes of high-power transducers.
Further, a fourth sealing ring 104 is arranged between the waterproof joint 9 and the shell 1, so that the interior of the transducer is further sealed, the waterproof and dustproof performance of the transducer is improved, the piezoelectric ceramic wafer 5 in the transducer is prevented from being broken due to the influence of water vapor and dust, and the service life of the transducer in a high-power application scene is prolonged.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An ultrasonic transducer comprising a housing (1) and a front cover (2), characterized in that one end of the front cover (2) is provided with a protruding ring (21), the protruding ring (21) being configured to locate the position of the front cover (2) inside the housing (1);
annular grooves are respectively formed in the end face, connected with the front cover (2), of the convex ring (21) and the end face, opposite to the front cover (2), of the convex ring (21), and the two annular grooves are arranged at intervals;
one of the ring grooves is arranged close to the outer circular surface of the convex ring (21) and forms a first thin wall (213) with the outer circular surface, and a second thin wall (214) is formed between the two ring grooves.
2. The ultrasonic transducer according to claim 1, wherein a first clamping portion (12) is disposed inside the housing (1), the first thin wall (213) is clamped in the first clamping portion (12), and the first thin wall (213) is attached to an inner sidewall of the housing (1).
3. The ultrasonic transducer according to claim 1, wherein a first groove is circumferentially formed on a contact surface between an inner side wall of the housing (1) and the first thin wall (213), and a first sealing ring (101) is arranged in the first groove.
4. The ultrasonic transducer according to claim 1, wherein a locking flange ring (4) is hermetically and threadedly connected to an inner portion of one end of the housing (1) connected to the front cover (2), and the locking flange ring (4) is configured to fix the front cover (2).
5. The ultrasonic transducer according to claim 4, wherein the locking flange ring (4) is sleeved on the front cover (2), a second groove is circumferentially formed on a contact surface between the locking flange ring (4) and the front cover (2), and a second sealing ring (102) is arranged inside the second groove.
6. The ultrasonic transducer according to claim 4, wherein a second clamping portion (13) is arranged inside the housing (1), the locking flange ring (4) is clamped in the second clamping portion (13), a third groove is arranged on the locking flange ring (4) close to the second clamping portion (13) along the circumferential direction, and a third sealing ring (103) is arranged in the third groove.
7. The ultrasonic transducer according to claim 4, wherein the locking flange ring (4) further comprises an end portion (41), the end portion (41) abutting the male ring (21).
8. The ultrasonic transducer according to claim 1, further comprising a reflection block (3), wherein the reflection block (3) is fixedly connected with the convex ring (21) through a locking bolt (7), an insulating positioning sleeve (8) is sleeved on the locking bolt (7) between the reflection block (3) and the convex ring (21), a piezoelectric ceramic wafer (5) and an electrode plate (6) are sleeved on the insulating positioning sleeve (8), and the electrode plate (6) is clamped between the piezoelectric ceramic wafers (5) and between the piezoelectric ceramic wafer (5) and the convex ring (21).
9. The ultrasonic transducer according to claim 1, wherein a rear opening (11) is formed in an end of the housing (1) opposite to the front cover (2), a waterproof connector (9) is disposed at the rear opening (11), and a cable (105) penetrates through the waterproof connector (9) and extends into the housing (1).
10. The ultrasonic transducer according to claim 9, wherein a fourth sealing ring (104) is provided between the watertight connector (9) and the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921571590.8U CN211051858U (en) | 2019-09-20 | 2019-09-20 | Ultrasonic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921571590.8U CN211051858U (en) | 2019-09-20 | 2019-09-20 | Ultrasonic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211051858U true CN211051858U (en) | 2020-07-21 |
Family
ID=71584728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921571590.8U Active CN211051858U (en) | 2019-09-20 | 2019-09-20 | Ultrasonic transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211051858U (en) |
-
2019
- 2019-09-20 CN CN201921571590.8U patent/CN211051858U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 200240 floor 3, building 2, No. 1488, Cangyuan Road, Minhang District, Shanghai Patentee after: Shanghai Jiaocheng Ultrasonic Technology Co.,Ltd. Address before: 200241 1st floor, building 3, 48 Lane 4916, Hongmei South Road, Minhang District, Shanghai Patentee before: SBT ENGINEERING SYSTEMS Co.,Ltd. |
|
| CP03 | Change of name, title or address |