CN220912514U - Piezoelectric ceramic sensor - Google Patents
Piezoelectric ceramic sensor Download PDFInfo
- Publication number
- CN220912514U CN220912514U CN202322549883.9U CN202322549883U CN220912514U CN 220912514 U CN220912514 U CN 220912514U CN 202322549883 U CN202322549883 U CN 202322549883U CN 220912514 U CN220912514 U CN 220912514U
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- sensor body
- protection box
- supporting
- piezoelectric ceramic
- sensor
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- 239000000919 ceramic Substances 0.000 title claims abstract description 18
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model relates to a piezoelectric ceramic sensor, which comprises a sensor body, wherein the lower end of the sensor body is provided with a protection mechanism, the protection mechanism comprises a protection box, supporting sheets and supporting strips, the protection box is arranged at the lower end of the sensor body, the inner diameter of the protection box is larger than the outer diameter of the sensor body, the upper end of the lower wall inside the protection box and the lower end of the sensor body are respectively provided with a plurality of supporting sheets corresponding to each other, the upper supporting sheets and the lower supporting sheets are mutually staggered, the mutually staggered supporting sheets are jointly provided with bearing through holes in staggered areas, and the supporting strips are arranged inside the bearing through holes.
Description
Technical Field
The utility model belongs to the technical field of piezoelectric ceramic sensors, and particularly relates to a piezoelectric ceramic sensor.
Background
The main working principle of the piezoelectric ceramic sensor is positive piezoelectric effect, and the generated charge can be stored only when the loop has infinite input impedance after external force action, but the situation does not exist in practice, so the piezoelectric ceramic sensor can only be used for measuring, sensing dynamic or quasi-static stress, but the existing sensor can be crushed when being subjected to intolerable huge pressure, and therefore, the piezoelectric ceramic sensor is provided.
Disclosure of utility model
The purpose of the utility model is that: the piezoelectric ceramic sensor aims to solve the problems in the background technology.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the piezoelectric ceramic sensor comprises a sensor body, wherein a protection mechanism is arranged at the lower end of the sensor body;
The protection mechanism comprises a protection box, supporting plates and supporting bars, the protection box is arranged at the lower end of the sensor body, the inner diameter of the protection box is larger than the outer diameter of the sensor body, the upper end of the lower wall inside the protection box and the lower end of the sensor body are respectively provided with a plurality of supporting plates which correspond to each other, the supporting plates are arranged in a staggered mode, the supporting plates are staggered with each other, bearing through holes are formed in the staggered areas of the supporting plates, and supporting bars are arranged inside the bearing through holes.
The sensor body is used for sensing pressure, the protection box is used for accomodating the sensor body, the supporting plate is used for supporting the sensor body, the support bar is used for connecting and supporting the crisscross supporting plate from top to bottom.
One end of the supporting bar is provided with a limiting block with the radius larger than that of the through hole, and the other end of the supporting bar is connected with a limiting nut in a threaded mode.
The support pieces are circumferentially distributed at equal intervals at the lower end of the sensor body and the upper end of the lower wall of the protection box.
The lower wall of the protection box is in threaded connection with the side wall of the protection box.
And a wiring hole is formed in the center of the lower wall of the protection box.
Through setting up protection machanism for when the sensor body received great pressure, can be protected by the parcel, prevent that the sensor body from being crushed.
Drawings
The utility model may be further illustrated by means of non-limiting examples given in the accompanying drawings.
FIG. 1 is a schematic diagram of a piezoelectric ceramic sensor according to the present utility model;
FIG. 2 is a schematic diagram of a piezoelectric ceramic sensor according to the present utility model;
The main reference numerals are as follows:
Sensor body 100, protection box 200, supporting piece 201, support bar 202, stopper 300, limit nut 301, wiring hole 400.
Detailed Description
In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.
Examples:
1-2, a piezoelectric ceramic sensor comprises a sensor body 100, wherein a protection mechanism is arranged at the lower end of the sensor body 100;
The protection mechanism comprises a protection box 200, supporting plates 201 and supporting bars 202, the protection box 200 is arranged at the lower end of the sensor body 100, the inner diameter of the protection box 200 is larger than the outer diameter of the sensor body 100, a plurality of supporting plates 201 corresponding to each other are arranged at the upper end of the lower wall of the inner part of the protection box 200 and the lower end of the sensor body 100, the supporting plates 201 are arranged in a staggered mode, the supporting plates 201 are mutually staggered, bearing through holes are formed in the staggered areas of the mutually staggered supporting plates 201, and supporting bars 202 are arranged in the bearing through holes.
The sensor body 100 is used for sensing pressure, the protection box 200 is used for accommodating the sensor body 100, the protection box 200 is made of metal with high compression resistance, the supporting sheet 201 is used for supporting the sensor body 100, the sensor body 100 is supported at the upper end of the protection box 200, the supporting strips 202 are used for connecting and supporting the supporting sheets 201 which are staggered up and down, and the sum of the pressures which can be born by the supporting strips 202 is smaller than the pressure which can be born by the sensor body 100.
One end of the supporting bar 202 is provided with a limiting block 300 with a radius larger than that of the through hole, and the other end of the supporting bar 202 is connected with a limiting nut 301 in a threaded manner, so that the supporting bar 202 can be disassembled and replaced.
Each of the supporting pieces 201 is circumferentially distributed at equal intervals at the lower end of the sensor body 100 and the upper end of the lower wall of the protection case 200, which enables the supporting pieces 201 to uniformly support the sensor body 100.
The lower wall of the protection box 200 is screw-coupled with the side wall of the protection box 200 so that the protection box 200 can be disassembled to facilitate replacement of the support bars 202.
The center of the lower wall of the protection box 200 is provided with a wiring hole 400.
Working principle: when the sensor body 100 receives a large pressure, the sensor body 100 receives the pressure and is specially delivered to the supporting bar 202, when the bearing limit of the supporting bar 202 is reached, the supporting bar 202 is broken and damaged, the supporting sheet 201 loses support, the sensor body 100 slides into the protection box 200, the protection box 200 wraps the sensor body 100 for protection, and the sensor body 100 is prevented from being crushed.
Through setting up protection machanism for when sensor body 100 receives great pressure, can be protected by the parcel, prevent that sensor body 100 from being crushed.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims of this utility model, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the utility model disclosed herein.
Claims (5)
1. A piezoelectric ceramic sensor, comprising a sensor body, characterized in that: the lower end of the sensor body is provided with a protection mechanism;
The protection mechanism comprises a protection box, supporting plates and supporting bars, the protection box is arranged at the lower end of the sensor body, the inner diameter of the protection box is larger than the outer diameter of the sensor body, the upper end of the lower wall inside the protection box and the lower end of the sensor body are respectively provided with a plurality of supporting plates which correspond to each other, the supporting plates are arranged in a staggered mode, the supporting plates are staggered with each other, bearing through holes are formed in the staggered areas of the supporting plates, and supporting bars are arranged inside the bearing through holes.
2. A piezoelectric ceramic sensor according to claim 1, wherein: one end of the supporting bar is provided with a limiting block with the radius larger than that of the through hole, and the other end of the supporting bar is connected with a limiting nut in a threaded mode.
3. A piezoelectric ceramic sensor according to claim 1, wherein: the support pieces are circumferentially distributed at equal intervals at the lower end of the sensor body and the upper end of the lower wall of the protection box.
4. A piezoelectric ceramic sensor according to claim 1, wherein: the lower wall of the protection box is in threaded connection with the side wall of the protection box.
5. A piezoelectric ceramic sensor according to claim 1, wherein: and a wiring hole is formed in the center of the lower wall of the protection box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322549883.9U CN220912514U (en) | 2023-09-20 | 2023-09-20 | Piezoelectric ceramic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322549883.9U CN220912514U (en) | 2023-09-20 | 2023-09-20 | Piezoelectric ceramic sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220912514U true CN220912514U (en) | 2024-05-07 |
Family
ID=90917266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322549883.9U Active CN220912514U (en) | 2023-09-20 | 2023-09-20 | Piezoelectric ceramic sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220912514U (en) |
-
2023
- 2023-09-20 CN CN202322549883.9U patent/CN220912514U/en active Active
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