CN202092695U - External-clamping ultrasonic sensor - Google Patents
External-clamping ultrasonic sensor Download PDFInfo
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- CN202092695U CN202092695U CN2011201873401U CN201120187340U CN202092695U CN 202092695 U CN202092695 U CN 202092695U CN 2011201873401 U CN2011201873401 U CN 2011201873401U CN 201120187340 U CN201120187340 U CN 201120187340U CN 202092695 U CN202092695 U CN 202092695U
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- clamping
- ultrasonic
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Abstract
The utility model relates to an external-clamping ultrasonic sensor which belongs to the technical field of ultrasonic measurement. The external-clamping ultrasonic sensor adopts the technical scheme that the external-clamping ultrasonic sensor comprises two ultrasonic sensors (1 and 2) that are mutually matched and correspondingly arranged on the external wall of a pipeline (7); for each ultrasonic sensor, an emission angle (3) is 30 DEG, and a refraction angle (4) is 16 DEG; and each ultrasonic sensor comprises an acoustic wedge (5) and piezoelectric crystal (6) that are mutually matched. The external-clamping ultrasonic sensor has the positive effects that compared with the sensor in the background art, the external-clamping ultrasonic sensor has the characteristics of less acoustic reflection, high acoustic permeability, short acoustic range, high sensitivity and the like, and the flow is stable when the external-clamping ultrasonic sensor is used for ultrasonic instrument measurement.
Description
Technical field
The utility model relates to a kind of external clamping ultrasonic sensor, belongs to the supersonic technique field.
Background technology
Ultrasonic sensor is divided into external clamping sensor and plug in sensor; The installation of external clamping sensor is that two sensor clips are contained in pipeline outer wall, sensor does not contact with fluid to be measured, the external clamping sensor is applicable to the application scenario of not wishing to destroy pipeline, be fit to measure corrosivity, have, the liquid of high cleanliness, sensor is installed in the pipeline outside, can not influence production fully.The external clamping ultrasonic sensor of background technology, emission angle theta generally are about 40 °, about 22 ° of refraction angle α, and the subject matter of existence is: acoustic reflection is bigger, and sound path is longer, and audio sensitivity is low, is subjected to easily that measuring media is instable to be influenced.
The utility model content
The purpose of this utility model provides a kind of external clamping ultrasonic sensor, rationally determines the angle at emission angle and refraction angle, and acoustic reflection is less, entrant sound rate height, and sound path is short, and is highly sensitive, solves the problems referred to above that background technology exists.
The technical solution of the utility model is: a kind of external clamping ultrasonic sensor, comprise two ultrasonic sensors of coupling mutually, and corresponding being arranged on the pipeline outer wall, the emission angle of ultrasonic sensor is 30 degree, the refraction angle is 16 degree.
Said ultrasonic sensor is made of the sound wedge and the piezoelectric crystal of mutual coupling.
Good effect of the present utility model is: with respect to the sensor of background technology, the utlity model has characteristics such as acoustic reflection is less, entrant sound rate height, sound path weak point, sensitivity height, stability of flow when being used for ultrasonic instrument measurement.
Description of drawings
Accompanying drawing 1 is the utility model embodiment synoptic diagram;
Among the figure: ultrasonic sensor 1,2, emission angle 3, refraction angle 4, sound wedge 5, piezoelectric crystal 6, pipeline 7.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further by embodiment.
In an embodiment, a kind of external clamping ultrasonic sensor, comprise two ultrasonic sensors 1,2 of coupling mutually, corresponding being arranged on pipeline 7 outer walls, the emission angle 3 of ultrasonic sensor is 30 degree, refraction angle 4 is 16 degree, and said ultrasonic sensor is made of the sound wedge 5 and the piezoelectric crystal 6 of mutual coupling.
Claims (2)
1. an external clamping ultrasonic sensor is characterized in that comprising two ultrasonic sensors (1,2) of coupling mutually, corresponding being arranged on pipeline (7) outer wall, and the emission angle of ultrasonic sensor (3) is 30 degree, refraction angle (4) are 16 degree.
2. the external clamping ultrasonic sensor according to claim 1 is characterized in that said ultrasonic sensor is made of the sound wedge (5) and the piezoelectric crystal (6) of mutual coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201873401U CN202092695U (en) | 2011-06-07 | 2011-06-07 | External-clamping ultrasonic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201873401U CN202092695U (en) | 2011-06-07 | 2011-06-07 | External-clamping ultrasonic sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202092695U true CN202092695U (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201873401U Expired - Fee Related CN202092695U (en) | 2011-06-07 | 2011-06-07 | External-clamping ultrasonic sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202092695U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007287A (en) * | 2014-05-12 | 2014-08-27 | 江南大学 | Pipeline fluid flow speed detection method based on ultrasonic waves |
| CN109141556A (en) * | 2018-08-31 | 2019-01-04 | 浙江启尔机电技术有限公司 | A kind of embedded broad beam ultrasonic liquid flow measurement device of piezoelectric vibrator |
-
2011
- 2011-06-07 CN CN2011201873401U patent/CN202092695U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007287A (en) * | 2014-05-12 | 2014-08-27 | 江南大学 | Pipeline fluid flow speed detection method based on ultrasonic waves |
| CN109141556A (en) * | 2018-08-31 | 2019-01-04 | 浙江启尔机电技术有限公司 | A kind of embedded broad beam ultrasonic liquid flow measurement device of piezoelectric vibrator |
| CN109141556B (en) * | 2018-08-31 | 2020-08-04 | 浙江启尔机电技术有限公司 | Piezoelectric vibrator embedded type wide-beam ultrasonic liquid flow measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20130607 |