CN205156886U - Surface acoustic wave strain sensor safety cover - Google Patents
Surface acoustic wave strain sensor safety cover Download PDFInfo
- Publication number
- CN205156886U CN205156886U CN201520552958.1U CN201520552958U CN205156886U CN 205156886 U CN205156886 U CN 205156886U CN 201520552958 U CN201520552958 U CN 201520552958U CN 205156886 U CN205156886 U CN 205156886U
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- China
- Prior art keywords
- protective cover
- acoustic wave
- surface acoustic
- wave strain
- strain transducer
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- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses a surface acoustic wave strain sensor safety cover, which comprises a protective cover body, the shield ontology bottom surface sets up the holding chamber, the shield ontology bottom surface still sets up the cable passage, the cable passage intercommunication the holding chamber, holding chamber and surface acoustic wave strain sensor's outer shell facies adaptation, the intercommunication department of shield ontology and cable passage sets up the welding mouth. The utility model discloses can be under the prerequisite that does not reduce the transducer sensitivity, protection surface acoustic wave strain sensor metal casing avoids corroding, and the stress that reduces the cable transmission influences the measuring of meeting an emergency, strengthens resistant the drawing nature of cable.
Description
Technical field
The utility model relates to surface acoustic wave strain transducer, particularly a kind of protective cover of highly sensitive surface acoustic wave strain transducer.
Background technology
Surface acoustic wave (SurfaceAcousticWave, SAW) sensor is a newer sensor.Compared with the sensor of other type, SAW sensor have highly sensitive, the advantages such as remote-wireless passive sensing, low cost can be realized.
Strain transducer needs to use under some rugged surroundings sometimes; metal shell is chronically exposed to and is easily corroded outward; the stress of sensor cable transmission can affect strain measuring tape; easily rupture if the part that sensor cable is connected with shell is subject to tractive for a long time; affect the serviceable life of sensor, and the protective cover added is as the inapplicable strain sensitivity that will reduce sensor.
Therefore, prior art is further improved and develops.
Utility model content
The purpose of this utility model is to provide a kind of protective cover of surface acoustic wave strain transducer, under the prerequisite not affecting strain sensitivity, protects surface acoustic wave strain transducer.
To achieve these goals, the utility model adopts following technical scheme:
A kind of surface acoustic wave strain transducer protective cover, wherein, comprises protective cover body,
Described protective cover body bottom surface arranges accommodating cavity, and described protective cover body bottom surface also arranges cable passage, and described cable passage is communicated with described accommodating cavity;
The shell of described accommodating cavity and surface acoustic wave strain transducer is suitable;
The connectivity part of described protective cover body and cable passage arranges soldering opening.
Described surface acoustic wave strain transducer protective cover, wherein, the inwall of described protective cover body arranges elasticity interlayer.
Described surface acoustic wave strain transducer protective cover, wherein, described protective cover body is rectangular parallelepiped.
Described surface acoustic wave strain transducer protective cover, wherein, described cable passage is curve shape.
Described surface acoustic wave strain transducer protective cover, wherein, described elasticity interlayer is layer of silica gel.
Described surface acoustic wave strain transducer protective cover, wherein, described soldering opening is square.
Surface acoustic wave strain transducer protective cover of the present utility model can under the prerequisite not reducing transducer sensitivity; protection surface acoustic wave strain transducer metal shell is from corrosion; the stress reducing cable transmission, on the impact of strain measurement, strengthens resistance to the drawing property of cable.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model surface acoustic wave strain transducer protective cover;
Fig. 2 is the schematic diagram of the utility model protective cover for surface acoustic wave strain transducer.
Embodiment
Below in conjunction with preferred embodiment, the utility model is described in further details.
The purpose of this utility model is to provide a kind of protective cover of surface acoustic wave strain transducer; as depicted in figs. 1 and 2; described protective cover comprises protective cover body 1; described protective cover body 1 can be rectangular parallelepiped; described protective cover body 1 bottom surface arranges accommodating cavity 2; described accommodating cavity 2 is suitable with the shell of surface acoustic wave strain transducer, and namely described accommodating cavity 2 can embed the package casing of surface acoustic wave strain transducer.
Described protective cover body 1 bottom surface also arranges cable passage 3; described cable passage 3 is communicated with described accommodating cavity; described cable passage 3 can embed the cable of sensor; the curve shape that preferred described cable passage 3 can be set to; as shown in Figure 2; curved cable passage can block stress on sensor cable to sensor passes, reduces cable to the impact of strain measurement.
The junction of described protective cover body 1 and cable passage 3 arranges soldering opening 4; described soldering opening can be square, and described soldering opening 4, for the welding of cable and sensor, can hold and block pad; cable is limited in protective cover inside and is not easily pulled out by external force, strengthens resistance to the drawing property of cable.
Described surface acoustic wave strain transducer protective cover such as, by corrosion-resistant ageing-resistant material, polytetrafluoroethylmaterial material, is made, and corrosion-resistant, ageing-resistantly can play a very good protection to the metal shell of sensor.
Described surface acoustic wave strain transducer protective cover, the inwall of its protective cover body 1 arranges elasticity interlayer 5, and described elasticity interlayer 5 can be layer of silica gel, and described layer of silica gel can not the deformation of limit strain sensor, does not reduce the strain sensitivity of sensor.
Above content is the explanation to preferred embodiment of the present utility model, and those skilled in the art can be helped to understand the technical solution of the utility model more fully.But these embodiments only illustrate, can not assert that embodiment of the present utility model is only limitted to the explanation of these embodiments.
Claims (6)
1. a surface acoustic wave strain transducer protective cover, is characterized in that, comprises protective cover body,
Described protective cover body bottom surface arranges accommodating cavity, and described protective cover body bottom surface also arranges cable passage, and described cable passage is communicated with described accommodating cavity;
The shell of described accommodating cavity and surface acoustic wave strain transducer is suitable;
The connectivity part of described protective cover body and cable passage arranges soldering opening.
2. surface acoustic wave strain transducer protective cover according to claim 1, is characterized in that, the inwall of described protective cover body arranges elasticity interlayer.
3. surface acoustic wave strain transducer protective cover according to claim 2, is characterized in that, described protective cover body is rectangular parallelepiped.
4. surface acoustic wave strain transducer protective cover according to claim 3, is characterized in that, described cable passage is curve shape.
5. surface acoustic wave strain transducer protective cover according to claim 4, is characterized in that, described elasticity interlayer is layer of silica gel.
6. surface acoustic wave strain transducer protective cover according to claim 5, it is characterized in that, described soldering opening is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520552958.1U CN205156886U (en) | 2015-07-29 | 2015-07-29 | Surface acoustic wave strain sensor safety cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520552958.1U CN205156886U (en) | 2015-07-29 | 2015-07-29 | Surface acoustic wave strain sensor safety cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205156886U true CN205156886U (en) | 2016-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520552958.1U Active CN205156886U (en) | 2015-07-29 | 2015-07-29 | Surface acoustic wave strain sensor safety cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205156886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247966A (en) * | 2016-08-02 | 2016-12-21 | 海洋石油工程股份有限公司 | A kind of strain gauge means being applicable to maritime environment and strain measurement system thereof |
-
2015
- 2015-07-29 CN CN201520552958.1U patent/CN205156886U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247966A (en) * | 2016-08-02 | 2016-12-21 | 海洋石油工程股份有限公司 | A kind of strain gauge means being applicable to maritime environment and strain measurement system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |