CN201583247U - Double-output strainometer - Google Patents
Double-output strainometer Download PDFInfo
- Publication number
- CN201583247U CN201583247U CN2010200196404U CN201020019640U CN201583247U CN 201583247 U CN201583247 U CN 201583247U CN 2010200196404 U CN2010200196404 U CN 2010200196404U CN 201020019640 U CN201020019640 U CN 201020019640U CN 201583247 U CN201583247 U CN 201583247U
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- grid
- sensitive
- strainometer
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- 239000000758 substrate Substances 0.000 claims abstract description 14
- 229910000679 solder Inorganic materials 0.000 claims description 36
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 239000000565 sealant Substances 0.000 claims description 12
- 230000009977 dual effect Effects 0.000 claims description 5
- 238000003475 lamination Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 6
- 238000009966 trimming Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 2
- 239000011888 foil Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
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Abstract
The utility model discloses a double-output strainometer which comprises a substrate and a sensitive layer covered on the substrate; the sensitive layer is provided with two groups of sensitive grids; the sensitive grids are connected with welding points; the upper surface of the sensitive grid is provided with a sealing layer; the sealing layer and the sensitive layer are laminated and solidified; the two groups of sensitive grids are mutually twisted and are not communicated mutually; the two ends of each group of sensitive grids are respectively connected with one welding point; and an adjusting grid is arranged between one welding point from the two welding points and the group of sensitive grids. The double-output strainometer can guarantee the reliability and stability of a strain transducer or stress strain measurement as well as the consistency of temperature performance and output, can keep the consistency of the original state of the output zero position through resistance trimming when the zero position output is changed, and can guarantee the stability and reliability of the strain transducer or stress strain measurement.
Description
Technical field
The utility model relates to a kind of strain ga(u)ge, is specifically related to a kind of dual output strainometer.
Background technology
At present, be used for the strain gauge transducer employing single shaft foil resistance strain gauge that stress and strain is measured, the sensitive grid of this single shaft foil resistance strain gauge partly is single sensitive grid.In the use, single sensitive grid generation damage makes strainometer damage, and causes the measuring error increase of strain gauge transducer stress and strain maybe can't measure.When sensor or stress-strain measurement require high reliability and high stability, and when output sensitivity or output signal had higher coherence request, the single shaft foil resistance strain gauge can't meet the demands.When particularly adopting single sensitive grid strainometer to make the high precision strain gauge transducer, the strainometer resistance that the paster curing operation brings changes, can cause sensor bridge circuit output zero-bit to change, need to use insulation resistance wire to carry out sensor bridge circuit zero compensation, cause production cost to increase, and, sensor stability and temperature performance are impacted because of the temperature effect and the drift of resistance wire.
Summary of the invention
In order to overcome above-mentioned problems of the prior art, the purpose of this utility model provides a kind of dual output strainometer, be used for strain gauge transducer, the requirement of sensor or stress-strain measurement high reliability and high stability can be satisfied, higher conforming requirement can also be satisfied simultaneously output sensitivity or output signal.
The technical scheme that the utility model adopted is, a kind of dual output strainometer, comprise the sensitive layer 2 that covers in substrate 3 and the substrate 3, sensitive layer 2 is provided with sensitive grid, this sensitive grid is connected with phase of solder joint, be provided with sealant 1 above the sensitive grid, sealant 1 solidifies with sensitive layer 2 laminations, sensitive grid is two groups, these two groups of sensitive grids mutually around the home and not connected, the two ends of every group of sensitive grid are connected with a solder joint respectively, are provided with one between a solder joint in these two solder joints and this group sensitive grid and regulate grid.
Described two groups of sensitive grids adopt paper tinsel formula sensitive grid.
Described two adjusting grid are respectively first and regulate the grid 5 and the second adjusting grid 10.
Described first to regulate the angle that grid 5 and second regulate between grid 10 and the two groups of sensitive grid axis be 0 °.
Described first regulates the angle that grid 5 and second regulate between grid 10 and the two groups of sensitive grid axis is respectively-90 ° and 90 °.
Described first regulates the angle that grid 5 and second regulate between grid 10 and the two groups of sensitive grid axis is respectively-45 ° and 45 °.
The utility model strainometer adopts two sensitive grids, can guarantee the reliability and stability of strain gauge transducer or stress-strain measurement, and the consistance of temperature performance and output; Adopt and regulate grid, when zero-bit output changes, can pass through resistor trimming, reach the consistance that the output zero-bit keeps original state, guarantee the reliable and stable of sensor and stress-strain measurement.
Description of drawings
Fig. 1 is the structural representation of first kind of embodiment of the utility model strainometer.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation of second kind of embodiment of the utility model strainometer.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the structural representation of the third embodiment of the utility model strainometer.
Fig. 6 is the vertical view of Fig. 5.
Among the figure, 1. sealant, 2. sensitive layer, 3. substrate, 4. first sensitive grid 5. first is regulated grid, 6. first solder joint, 7. second solder joint, 8. the 3rd solder joint, 9. the 4th solder joint 10. second is regulated grid, 11. second sensitive grids.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As depicted in figs. 1 and 2, the structure of first kind of embodiment of the utility model comprises substrate 3, is coated with sensitive layer 2 above the substrate 3, and width and the length with substrate 3 is identical respectively with length for the width of sensitive layer 2.On the sensitive layer 2, broadband direction along sensitive layer 2 is disposed with first solder joint 6 side by side, second solder joint 7, the 3rd solder joint 8 and the 4th solder joint 9, first solder joint 6 communicates with first end of regulating grid 5, first other end of regulating grid 5 communicates with an end of first sensitive grid 4, the other end of first sensitive grid 4 communicates with the 4th solder joint 9, second solder joint 7 communicates with an end of second sensitive grid 11, the other end of second sensitive grid 11 communicates with second end of regulating grid 10, second other end of regulating grid 10 communicates with the 3rd solder joint 8, and first sensitive grid 4 and second sensitive grid 11 are not connected.First sensitive grid 4 and be coated with sealant 1 above second sensitive grid 11, sealant 1 solidifies with sensitive layer 2 laminations, the width of sealant 1 is identical with the width of sensitive layer 2, first to regulate grid 5 be-90 ° with angle between two groups of sensitive grid axis, and the angle between 10 liang of group sensitive grids of second adjusting grid axis is 90 °.
As shown in Figure 3 and Figure 4, the structure of second kind of embodiment of the utility model, the structure of this embodiment is identical with the structure of above-mentioned first kind of embodiment, difference is, the first adjusting grid 5 and second are regulated grid 10 for being obliquely installed in the present embodiment structure, first to regulate grid 5 be-45 ° with angle between two groups of sensitive grid axis, and the angle between the second adjusting grid 10 and the two groups of sensitive grid axis is 45 °.
As shown in Figure 5 and Figure 6, the structure of the third embodiment of the utility model comprises substrate 3, is coated with sensitive layer 2 above the substrate 3, and width and the length with substrate 3 is identical respectively with length for the width of sensitive layer 2.One end of sensitive layer 2 has been arranged side by side first solder joint 6 and second solder joint 7, the other end of sensitive layer 2 has been arranged side by side the 4th solder joint 9 and the 3rd solder joint 8, first solder joint 6 and the 4th solder joint 9 are oppositely arranged, second solder joint 7 and the 3rd solder joint 8 are oppositely arranged, first solder joint 6 communicates with first end of regulating grid 5, first other end of regulating grid 5 communicates with an end of first sensitive grid 4, the other end of first sensitive grid 4 communicates with the 4th solder joint 9, second solder joint 7 communicates with an end of second sensitive grid 11, the other end of second sensitive grid 11 communicates with second end of regulating grid 10, second other end of regulating grid 10 communicates with the 3rd solder joint 8, and first sensitive grid 4 and second sensitive grid 11 are not connected.First sensitive grid 4 and be coated with sealant 1 above second sensitive grid 11, sealant 1 solidifies with sensitive layer 2 laminations, and the width of sealant 1 is identical with the width of sensitive layer 2, and first angle of regulating between grid 5, the second adjusting grid 10 and the two groups of sensitive grid axis is 0 °.
First sensitive grid 4 and second sensitive grid 11 are mutual paper tinsel formula sensitive grid around the home.
First regulates grid 5 and second regulates grid 10 for zero-bit adjusting grid, is used for the fine setting of resistance, to regulate zero-bit output or zero point.
First solder joint 6, second solder joint 7, the 3rd solder joint 8 and the 4th solder joint 9 constitute two assembly weldings point at the weldering end regions, and this two assembly weldings point is used for measuring respectively the resistance of first sensitive grid 4 and second sensitive grid 11.
Sealant 1 seals the sensitive grid zone, regulates grid and spot area and opens wide.
The strainometer of first kind of example structure is in application, when being subjected to transverse strain, shear strain and twist, influential to the performances such as output, transversal effect, zero balance, creep and linearity of sensor or strainometer, for this reason, the strainometer of first kind of example structure is improved to second kind of example structure, to satisfy the requirement of sensor to high reliability and stability.Certainly, in order further to solve the above-mentioned influence that may occur, also can grid position, two limits of same sensitive grid make simultaneously and axis between angle be ± 45 ° adjusting grid, can further strengthen the high reliability and the stability of application.
The invention of the utility model strainometer relates to adopts similarly all single shaft class strainometers, and its every index all satisfies GB/T13992-92 " strain ga(u)ge " GB A level product requirement.
Claims (6)
1. dual output strainometer, comprise the sensitive layer (2) that substrate (3) and substrate (3) upward cover, sensitive layer (2) is provided with sensitive grid, this sensitive grid is connected with phase of solder joint, be provided with sealant (1) above the sensitive grid, sealant (1) solidifies with sensitive layer (2) lamination, it is characterized in that, described sensitive grid is two groups, these two groups of sensitive grids mutually around the home and not connected, the two ends of every group of sensitive grid are connected with a solder joint respectively, are provided with one between a solder joint in these two solder joints and this group sensitive grid and regulate grid.
2. strainometer according to claim 1 is characterized in that, described two groups of sensitive grids adopt paper tinsel formula sensitive grid.
3. strainometer according to claim 1 is characterized in that, described two adjusting grid are respectively first and regulate the grid (5) and the second adjusting grid (10).
4. strainometer according to claim 3 is characterized in that, described first angle of regulating between grid (5) and the second adjusting grid (10) and the two groups of sensitive grid axis is 0 °.
5. strainometer according to claim 3 is characterized in that, described first angle of regulating between grid (5) and the second adjusting grid (10) and the two groups of sensitive grid axis is respectively-90 ° and 90 °.
6. strainometer according to claim 3 is characterized in that, described first angle of regulating between grid (5) and the second adjusting grid (10) and the two groups of sensitive grid axis is respectively-45 ° and 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200196404U CN201583247U (en) | 2010-01-06 | 2010-01-06 | Double-output strainometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200196404U CN201583247U (en) | 2010-01-06 | 2010-01-06 | Double-output strainometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201583247U true CN201583247U (en) | 2010-09-15 |
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ID=42725249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200196404U Expired - Fee Related CN201583247U (en) | 2010-01-06 | 2010-01-06 | Double-output strainometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201583247U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661752A (en) * | 2012-04-25 | 2012-09-12 | 中航电测仪器股份有限公司 | Foil type strain gauge and manufacturing method thereof |
| CN103728067A (en) * | 2014-01-23 | 2014-04-16 | 济南金钟电子衡器股份有限公司 | Resistance strain gauge for stress analysis |
| CN105004262A (en) * | 2015-08-13 | 2015-10-28 | 浙江工业大学 | Lateral deviation full-bridge double-interdigital metal strain gauge capable of measuring surface strain lateral partial derivatives |
| CN105091731A (en) * | 2015-08-13 | 2015-11-25 | 浙江工业大学 | Axial deviation double-sensitive grid interdigital metal strain plate capable of measuring axial deviation of surface strain |
| CN110945314A (en) * | 2017-05-29 | 2020-03-31 | 奥钢联钢铁公司 | Strain gauge strip and metal strip with such a strain gauge strip |
| CN114878037A (en) * | 2022-04-28 | 2022-08-09 | 中航电测仪器股份有限公司 | Miniature strain gauge with overlapped patterns |
-
2010
- 2010-01-06 CN CN2010200196404U patent/CN201583247U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661752A (en) * | 2012-04-25 | 2012-09-12 | 中航电测仪器股份有限公司 | Foil type strain gauge and manufacturing method thereof |
| CN102661752B (en) * | 2012-04-25 | 2015-06-10 | 中航电测仪器股份有限公司 | Manufacturing method of Foil type strain gauge |
| CN103728067A (en) * | 2014-01-23 | 2014-04-16 | 济南金钟电子衡器股份有限公司 | Resistance strain gauge for stress analysis |
| CN103728067B (en) * | 2014-01-23 | 2015-07-22 | 济南金钟电子衡器股份有限公司 | Resistance strain gauge for stress analysis |
| CN105004262A (en) * | 2015-08-13 | 2015-10-28 | 浙江工业大学 | Lateral deviation full-bridge double-interdigital metal strain gauge capable of measuring surface strain lateral partial derivatives |
| CN105091731A (en) * | 2015-08-13 | 2015-11-25 | 浙江工业大学 | Axial deviation double-sensitive grid interdigital metal strain plate capable of measuring axial deviation of surface strain |
| CN105091731B (en) * | 2015-08-13 | 2017-07-25 | 浙江工业大学 | Axial deviation double-sensitive grid interdigitated metal strain gauge capable of measuring axial deflection of surface strain |
| CN105004262B (en) * | 2015-08-13 | 2017-07-25 | 浙江工业大学 | A full bridge double interdigitated metal strain gauge that can measure the lateral deviation of the lateral deflection of the surface strain |
| CN110945314A (en) * | 2017-05-29 | 2020-03-31 | 奥钢联钢铁公司 | Strain gauge strip and metal strip with such a strain gauge strip |
| CN110945314B (en) * | 2017-05-29 | 2022-07-29 | 奥钢联钢铁公司 | Strain gauge strip and metal strip with such a strain gauge strip |
| CN114878037A (en) * | 2022-04-28 | 2022-08-09 | 中航电测仪器股份有限公司 | Miniature strain gauge with overlapped patterns |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20180106 |