CN220941640U

CN220941640U - Capacitive electromechanical converter

Info

Publication number: CN220941640U
Application number: CN202322617327.0U
Authority: CN
Inventors: 刘祥超; 李强; 周生华
Original assignee: Linyi Special Equipment Inspection And Research Institute
Current assignee: Linyi Special Equipment Inspection And Research Institute
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-05-14
Anticipated expiration: 2033-09-26

Abstract

The utility model belongs to the technical field of machinery and electricity, in particular to a capacitance type electromechanical transducer, which comprises a transducer body, an isolation net arranged on the surface of the transducer body, and a replacement component arranged on the surface of the isolation net, wherein the replacement component is arranged on the device, a clamping groove formed in the surface of a fixed block on the transducer body can fix the position of a clamping plate through the replacement component by a user, the clamping plate can be replaced along with the change of the position of the clamping plate, a supporting plate can drive the whole isolation net to be replaced, the device can prevent dust particles from blocking holes of the isolation net for a long time, thereby affecting the accuracy of the transducer body, a moving component is added on the mechanism, the clamping plate and a fixed disc are in sliding connection through guide bars and guide grooves, the clamping plate can be moved in position, the clamping plate is convenient to operate by a user, and the isolation net can be replaced and fixed in position.

Description

Capacitive electromechanical converter

Technical Field

The utility model belongs to the technical field of machinery and electricity, and particularly relates to a capacitive electromechanical transducer.

Background

The Capacitive Micromachined Ultrasonic Transducer (CMUT) adopts a micro sensor structure, ultrasonic transmission and detection can be realized by utilizing the electrostatic working principle of the CMUT, and the new generation of ultrasonic transducer is manufactured by adopting a semiconductor technology, so that the CMUT has great design flexibility in the aspects of high precision and high replicability in the manufacturing process of single-channel and multi-channel systems;

Through investigation publication (bulletin) number: CN219016201U discloses a capacitive electromechanical transducer, which discloses a capacitive electromechanical transducer in the technology, and the capacitive electromechanical transducer comprises a machine head component, a base component, a transmitting component and a receiving component, wherein the machine head component comprises a converting machine head and a wafer substrate, the base component comprises an electric base, the top of the electric base is connected with the lower bottom surface of the converting machine head, one end of the electric base far away from the electric base is connected with a signal cable, the transmitting component comprises a transmitting base, the inner side of the transmitting base is connected with a transmitting end, the receiving component comprises a receiving snap ring, and the top of the wafer substrate is connected with a wafer card column and other technical schemes; the wafer substrate can be fixed and supported through the insulating conversion machine head, and the wafer clamping columns are inserted into the clamping ring inner grooves so as to enable the wafer clamping columns and the receiving clamping rings to be used for detection work together, so that the mechanical converter has the technical effects of high receiving and transmitting sensitivity and the like;

Although this converter can support fixedly the wafer base plate, and can make the converter have the effect of high receiving and dispatching sensitivity, but this converter is when in actual use, when long-time use, the surface of isolation layer net can be covered by the dust, because this isolation layer net can't change, when not timely quick replacement isolation layer net, the dust can block up the isolation hole to lead to influencing the accuracy of converter.

In order to solve the above problems, the present application provides a capacitive electromechanical transducer.

Disclosure of utility model

To solve the problems set forth in the background art. The utility model provides a capacitive electromechanical transducer which has the characteristics of being capable of replacing isolation layer screens of the electromechanical transducer and preventing dust from blocking holes and affecting the accuracy of the transducer.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a capacitive electromechanical transducer comprises a transducer body, an isolation net arranged on the surface of the transducer body, and a replacement assembly arranged on the surface of the isolation net;

The replacement assembly comprises a supporting plate symmetrically arranged on the surface of the isolation net, a fixing disc symmetrically arranged at the bottom of the supporting plate and clamping plates symmetrically arranged on the bottom surface of the fixing disc, fixing blocks are symmetrically arranged on the surface of the transducer body, clamping grooves matched with the clamping plates are formed in the surface of the fixing blocks, and the clamping plates are clamped with the fixing blocks through the clamping grooves.

As the capacitive electromechanical transducer, preferably, a support column is arranged on the bottom surface of the fixed disc, a through hole formed in the surface of the clamping plate is slidably connected with a slide rod, and one end of the slide rod penetrates through the clamping plate and is connected with the support column.

As a preferable mode of the capacitive electromechanical transducer, limiting plates are arranged on the outer surfaces of two ends of the sliding rod.

As a preferable mode of the capacitive electromechanical transducer, a return spring is sleeved on the surface of the sliding rod, one end of the return spring is connected with the clamping plate, and the other end of the return spring is connected with one of the limiting plates.

The capacitive electromechanical transducer preferably further comprises a moving assembly arranged on the bottom surface of the fixed disc, wherein the moving assembly comprises a guide bar arranged on the top end of the clamping plate, a guide groove matched with the guide bar is formed in the surface of the fixed disc, and the clamping plate and the fixed disc are connected with each other in a sliding mode through the guide bar and the guide groove.

Preferably, in the capacitive electromechanical transducer according to the present utility model, the conductive bars are provided in a T-shaped structure.

As the capacitive electromechanical transducer, preferably, a guide rod is slidably connected in a through hole formed in the surface of the guide bar, and two ends of the guide rod are mounted in a guide groove formed in the bottom surface of the fixed disc.

Compared with the prior art, the utility model has the beneficial effects that:

The device is provided with a replacement component, a user can fix the position of the clamping plate through the replacement component, the clamping groove formed in the surface of the fixing block on the converter body can change the position of the clamping plate, the clamping plate can be changed, the supporting plate can drive the whole isolation net to be replaced, the device can prevent long-time use, dust particles from blocking holes of the isolation net, the accuracy of the converter body is affected, the moving component is added on the mechanism, the clamping plate and the fixing plate are connected in a sliding mode through the guide bars and the guide grooves, the clamping plate can be moved in position, the operation of the user is facilitated, and the isolation net can be replaced and fixed in position.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the fixing plate and the clamping plate;

FIG. 3 is a schematic cross-sectional view of a retaining plate according to the present utility model;

FIG. 4 is a schematic view of the structure of the clamping plate and the guide bar according to the present utility model;

in the figure:

1. a transducer body; 12. an isolation net;

2. Replacing the assembly; 21. a support plate; 22. a fixed plate; 23. a clamping plate; 24. a fixed block; 25. a support column; 26. a slide bar; 27. a limiting disc; 28. a return spring;

3. a moving assembly; 31. a conducting bar; 32. and a guide rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1;

A capacitive electromechanical transducer includes a transducer body 1 and an isolation net 12 provided on a surface of the transducer body 1.

In this embodiment: through investigation publication (bulletin) number: CN219016201U discloses a capacitive electromechanical transducer, which discloses a capacitive electromechanical transducer in the technology, and the capacitive electromechanical transducer comprises a machine head component, a base component, a transmitting component and a receiving component, wherein the machine head component comprises a converting machine head and a wafer substrate, the base component comprises an electric base, the top of the electric base is connected with the lower bottom surface of the converting machine head, one end of the electric base far away from the electric base is connected with a signal cable, the transmitting component comprises a transmitting base, the inner side of the transmitting base is connected with a transmitting end, the receiving component comprises a receiving snap ring, and the top of the wafer substrate is connected with a wafer card column and other technical schemes; through the conversion aircraft nose that has the insulating nature, can fix and support the wafer base plate, through the setting of wafer card post, be used for inserting the snap ring inside groove, and then make wafer card post and receive snap ring and be used for detecting work jointly, thereby make mechanical transducer possess technical effects such as high transmit receive sensitivity, although this converter can support the wafer base plate fixedly, and can make the converter have the effect of high transmit receive sensitivity, but this converter is in actual use, when using for a long time, the surface of isolation layer net can be covered by the dust, because this isolation layer net can not change, when not in time quick replacement isolation layer net, the dust can block up the isolation hole, thereby lead to influencing problems such as the accuracy of converter, this problem obviously is the problem that exists and is relatively difficult to solve in the practical use, in order to solve this technical problem, add on this application document and change subassembly 2 and remove subassembly 3.

It should be noted that: the working principle of the converter body 1 on the device can be seen from publication (bulletin) no: CN219016201U, technical content disclosed.

Still further, the method comprises:

As shown in fig. 1-4;

in combination with the above, the replacement assembly 2 is mounted on the surface of the isolation net 12;

The replacement assembly 2 comprises a supporting plate 21 symmetrically arranged on the surface of the isolation net 12, a fixed disc 22 symmetrically arranged at the bottom of the supporting plate 21 and a clamping plate 23 symmetrically arranged on the bottom surface of the fixed disc 22, a fixed block 24 is symmetrically arranged on the surface of the transducer body 1, clamping grooves matched with the clamping plate 23 are formed in the surface of the fixed block 24, and the clamping plate 23 and the fixed block 24 are clamped through the clamping grooves.

In this embodiment: the draw-in groove of seting up on the fixed block 24 surface on the converter body 1 can be fixed cardboard 23 position, and can be along with the change of cardboard 23 position for can change cardboard 23, backup pad 21 can drive whole isolation net 12 and change, and the device can prevent long-time use, and dust particle blocks up the hole of isolation net 12, leads to influencing the accuracy of converter body 1.

Still further, the method comprises:

As shown in fig. 1-4;

In order to stabilize the movement of the clamping plate 23, in an alternative embodiment, a support column 25 is mounted on the bottom surface of the fixed disc 22, a sliding rod 26 is slidably connected to a through hole formed on the surface of the clamping plate 23, and one end of the sliding rod 26 penetrates through the clamping plate 23 and is connected to the support column 25.

In this embodiment: the cardboard 23 sliding connection is on the slide bar 26 of support column 25 surface, and slide bar 26 can make cardboard 23 carry out position adjustment, and can lead to the position that cardboard 23 removed stably.

Still further, the method comprises:

As shown in fig. 1-4;

to position limit slide bar 26, in an alternative embodiment, both outer surfaces of slide bar 26 are provided with a limit disk 27.

In this embodiment: the limiting plates 27 arranged on the outer surfaces of the two ends of the slide bar 26 can limit the moving position of the clamping plate 23 on the surface of the slide bar 26, and prevent the clamping plate 23 from being separated from the moving position.

Still further, the method comprises:

As shown in fig. 1-4;

To enable positional return of the card 23, in an alternative embodiment, the slide bar 26 is provided with a return spring 28 over its surface, one end of the return spring 28 being connected to the card 23 and the other end of the return spring 28 being connected to one of the limit disks 27.

In this embodiment: when pushing the clamping plate 23, the clamping plate 23 extrudes the reset spring 28, so that the reset spring 28 deforms, and when the clamping plate 23 is loosened, the reset spring 28 restores the shape, so that the clamping plate 23 is driven to reset, and the operation of a user is facilitated.

Further, the method comprises the following steps:

as shown in fig. 3-4;

In combination with the above, the mobile assembly 3 is further included and mounted on the bottom surface of the fixed disc 22, the mobile assembly 3 includes a guide bar 31 mounted on the top end of the clamping plate 23, a guide groove matched with the guide bar 31 is formed on the surface of the fixed disc 22, and the clamping plate 23 and the fixed disc 22 are slidably connected through the guide bar 31 and the guide groove.

In this embodiment: the clamping plate 23 and the fixing plate 22 are in sliding connection through the guide bars 31 and the guide grooves, so that the clamping plate 23 can be moved in position, a user can conveniently operate, and the isolation net 12 can be replaced and fixed in position.

It should be noted that: the conducting bars 31 are arranged in a T-shaped structure; the guide bar 31 is provided in a T-shaped structure, so that the moving stability can be improved, and the clamping plate 23 is prevented from falling off during moving.

Still further, the method comprises:

As shown in fig. 3;

In order to make the movement of the guide bar 31 more stable, in an alternative embodiment, a guide bar 32 is slidably connected to a through hole formed in the surface of the guide bar 31, and both ends of the guide bar 32 are installed in a guide groove formed in the bottom surface of the fixed disc 22.

In this embodiment: the guide bar 32 can guide the moving position of the guide bar 31 in the guide groove, and prevent the position from falling off during moving.

The working principle and the using flow of the utility model are as follows: when the isolation net 12 on the converter body 1 is replaced, the two clamping plates 23 on the bottom surface of the fixed disc 22 are pushed first to enable the two clamping plates 23 to be close to each other, the guide bars 31 on the clamping plates 23 slide on the surfaces of the guide bars 32 in the guide grooves in the moving process, at the moment, the clamping plates 23 slide on the surfaces of the slide bars 26 on the support columns 25, the clamping plates 23 squeeze the reset springs 28 on the slide bars 26 in the sliding process of the surfaces of the slide bars 26, the reset springs 28 deform, when the clamping plates 23 are loosened, the reset springs 28 restore the shape, so that the clamping plates 23 are reset, at the moment, the support plate 21 is pulled, the clamping plates 23 are driven to be separated from the clamping grooves formed in the surfaces of the fixed blocks 24, and the isolation net 12 is replaced, and otherwise, the isolation net can be installed.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The capacitive electromechanical transducer comprises a transducer body (1) and an isolation net (12) arranged on the surface of the transducer body (1), and is characterized in that: the device also comprises a replacement component (2) arranged on the surface of the isolation net (12);

The replacement assembly (2) comprises a supporting plate (21) symmetrically arranged on the surface of the isolation net (12), a fixing disc (22) symmetrically arranged at the bottom of the supporting plate (21) and clamping plates (23) symmetrically arranged on the bottom surface of the fixing disc (22), fixing blocks (24) are symmetrically arranged on the surface of the transducer body (1), clamping grooves matched with the clamping plates (23) are formed in the surface of the fixing blocks (24), and the clamping plates (23) are clamped with the fixing blocks (24) through the clamping grooves.

2. A capacitive electromechanical transducer according to claim 1, characterized in that: the bottom surface of fixed disk (22) is installed support column (25), sliding connection has slide bar (26) in the through-hole of cardboard (23) surface seting up, the one end of slide bar (26) runs through cardboard (23) and with support column (25) are connected.

3. A capacitive electromechanical transducer according to claim 2, characterized in that: limiting plates (27) are arranged on the outer surfaces of the two ends of the sliding rod (26).

4. A capacitive electromechanical transducer according to claim 3, characterized in that: the surface cover of slide bar (26) is equipped with reset spring (28), the one end of reset spring (28) with cardboard (23) are connected, the other end of reset spring (28) is connected with one of them limiting plate (27).

5. A capacitive electromechanical transducer according to claim 1, characterized in that: the movable assembly (3) is arranged on the bottom surface of the fixed disc (22), the movable assembly (3) comprises a guide bar (31) arranged at the top end of the clamping plate (23), a guide groove matched with the guide bar (31) is formed in the surface of the fixed disc (22), and the clamping plate (23) and the fixed disc (22) are in sliding connection through the guide bar (31) and the guide groove.

6. The capacitive electromechanical transducer of claim 5, wherein: the guide bar (31) is arranged in a T-shaped structure.

7. The capacitive electromechanical transducer of claim 5, wherein: the guide bar (32) is connected in the through hole formed in the surface of the guide bar (31) in a sliding manner, and two ends of the guide bar (32) are arranged in the guide groove formed in the bottom surface of the fixed disc (22).