CN202074988U - Strain transducer - Google Patents
Strain transducer Download PDFInfo
- Publication number
- CN202074988U CN202074988U CN2011201695512U CN201120169551U CN202074988U CN 202074988 U CN202074988 U CN 202074988U CN 2011201695512 U CN2011201695512 U CN 2011201695512U CN 201120169551 U CN201120169551 U CN 201120169551U CN 202074988 U CN202074988 U CN 202074988U
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- CN
- China
- Prior art keywords
- strain
- data line
- elastic body
- transducer
- strain transducer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a strain transducer. An elastomer of the strain transducer is fixed in a transducer groove through a screw, so the strain transducer is convenient to mount simply and an error caused by the fixation of the transducer can be avoided. A purely bending area of which the strain change gradient is relatively small is designed on the elastomer, so the output precision of the transducer is high. A data line is fixed on the lower surface of the elastomer through a line clip, so the influence of swing of the data line on output data can be avoided. At the same time, waterproof devices are arranged in a strain sensing area and at the place where the data line is connected with a strain sheet, so the waterproofness can be enhanced, and the service life is prolonged.
Description
Technical field
The utility model relates to a kind of sensing device, especially a kind of strain transducer.
Background technology
At present, known strain transducer is generally by elastic body, high precision sensitive resistance element, data line, and sensor mounting base and mounting template are formed.Existing sensors needs improved problem specific as follows: first, known strain transducer is when carrying out elastic body paster processing technology, the elastic body of patch location all has arc surface, this contour structures strain gradient when elastic body is stressed is big, this can amplify the error that artificial paster produces, it is bigger than normal to cause sensor zero to waft, and influences the working sensor performance; The second, the work under bad environment of strain transducer the external factor influence such as is vibrated easily and is produced swing in the course of work of its data line, influence the normal operating conditions of sensor elastomer and foil gauge, produces disadvantageous signal and exports; The 3rd, known strain transducer paster zone and data line joint area do not have fish tail and waterproof layer, sensor water-proof poor performance, and the wearing and tearing easily of paster zone; The 4th, known strain transducer product in use has the problem that is difficult to dismounting, and common installation method is that direct open screw hole is fixed or riveted and fixed on sensor, but these two kinds of methods cause the sensor distortion easily, influence sensor performance.
The utility model content
At the deficiencies in the prior art, the purpose of this utility model is to provide a kind of output accuracy height, good waterproof performance, installs simple and conveniently, is not subject to ectocine, the strain transducer of long service life.
The utility model adopts following technical scheme to realize its purpose: a kind of strain transducer, it is characterized in that: this strain transducer comprises elastic body and sensor base, elastic body is positioned at the sensor base groove that is provided with on the sensor base, and, fixes by screw by being installed, install on the screw and be with Screw gasket, the strain transducer both sides are provided with the fixed support edge strip, elastic body comprises an arc-shaped convex, it below arc-shaped convex the elastic body cavity, the bossing of arc-shaped convex is two assembly stakings, welding or nut connect, perhaps as a whole, be adhesive with foil gauge on the elastic body, the paster working surface of pasting foil gauge is the plane, be formed with a simple bending section that the strain variation gradient is less, be useful on the strain induction region of pasting foil gauge on the simple bending section, and the strain induction region is two, can select one or two during work, be connected with data line on the foil gauge, data line is drawn via wire clamp, and data line is fixed on elastomeric lower surface by wire clamp, and strain induction region and data line and foil gauge junction are provided with water-tight device.
The beneficial effect that the technical scheme that adopts the utility model to provide can reach is: the utility model is fixed on elastic body in the installation groove on the sensor base with Screw gasket by screw is fixing, install simple and convenient, there is not power between elastic body and installation screw and Screw gasket, can prevent that sensor from skidding off in groove, can avoid because the error that sensor fixedly causes, design has a simple bending section that the strain variation gradient is less on elastic body, make this sensor output accuracy height, data line is fixed on elastomeric lower surface by wire clamp, can avoid the influence of data line swing to output data, strain induction region and data line and foil gauge junction are provided with water-tight device simultaneously, can strengthen its water resistance, increase the service life.
Description of drawings
Fig. 1 is the utility model upward view;
Fig. 2 is the utility model sectional view.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail:
As depicted in figs. 1 and 2, be respectively the utility model upward view and the utility model sectional view, a kind of strain transducer, comprise elastic body 13 and sensor base 8, elastic body 13 is positioned at the sensor base groove 10 that is provided with on the sensor base 8, and, fixes by screw 11 by being installed, install on the screw 11 and be with Screw gasket 12, the strain transducer both sides are provided with fixed support edge strip 3, elastic body 13 comprises an arc-shaped convex 6, it below arc-shaped convex 6 elastic body cavity 7, the bossing of arc-shaped convex 6 is two assembly stakings, welding or nut connect, perhaps as a whole, be adhesive with foil gauge 2 on the elastic body 13, the paster working surface of pasting foil gauge 2 is the plane, be formed with a simple bending section 9 that the strain variation gradient is less, be useful on the strain induction region 1 of pasting foil gauge on the simple bending section 9, and strain induction region 1 is two, can select one or two during work, be connected with data line 4 on the foil gauge, data line 4 is drawn via wire clamp 5, and data line 4 is fixed on the lower surface of elastic body 13 by wire clamp 5, and strain induction region 1 and data line 4 are provided with water-tight device with foil gauge 2 junctions.
The utility model is fixed on elastic body in the sensor groove by screw, install simple and convenient, can avoid because the error that sensor fixedly causes, design has a simple bending section that the strain variation gradient is less on elastic body, make this sensor output accuracy height, data line is fixed on elastomeric lower surface by wire clamp, can avoid the influence of data line swing to output data, strain induction region and data line and foil gauge junction are provided with water-tight device simultaneously, can strengthen its water resistance, increase the service life.
Claims (6)
1. strain transducer, it is characterized in that: this strain transducer comprises elastic body and sensor base, elastic body is positioned at the sensor base groove that is provided with on the sensor base, and fixes by screw is installed, and installs on the screw and is with Screw gasket.
2. according to the described strain transducer of claim 1, it is characterized in that: the strain transducer both sides are provided with the fixed support edge strip.
3. according to the described strain transducer of claim 1, it is characterized in that: elastic body comprises an arc-shaped convex, be the elastic body cavity below arc-shaped convex, the bossing of arc-shaped convex is that two assembly stakings, welding or nut connect, and is perhaps as a whole.
4. according to the described strain transducer of claim 1, it is characterized in that: be adhesive with foil gauge on the elastic body, the paster working surface of pasting foil gauge is the plane, be formed with a simple bending section that the strain variation gradient is less, be useful on the strain induction region of pasting foil gauge on the simple bending section, and the strain induction region is two, can select one or two during work.
5. according to the described strain transducer of claim 4, it is characterized in that: be connected with data line on the foil gauge, data line is drawn via wire clamp, and data line is fixed on elastomeric lower surface by wire clamp.
6. according to claim 4 or 5 described strain transducers, it is characterized in that: strain induction region and data line and foil gauge junction are provided with water-tight device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201695512U CN202074988U (en) | 2011-05-25 | 2011-05-25 | Strain transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201695512U CN202074988U (en) | 2011-05-25 | 2011-05-25 | Strain transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202074988U true CN202074988U (en) | 2011-12-14 |
Family
ID=45113087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201695512U Expired - Fee Related CN202074988U (en) | 2011-05-25 | 2011-05-25 | Strain transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202074988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105094073A (en) * | 2014-05-22 | 2015-11-25 | 上海燃气浦东销售有限公司 | Real-time dynamic monitoring system for underground pipe network |
-
2011
- 2011-05-25 CN CN2011201695512U patent/CN202074988U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105094073A (en) * | 2014-05-22 | 2015-11-25 | 上海燃气浦东销售有限公司 | Real-time dynamic monitoring system for underground pipe network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20170525 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |