CN204558534U - A kind of force snesor - Google Patents
A kind of force snesor Download PDFInfo
- Publication number
- CN204558534U CN204558534U CN201520103327.1U CN201520103327U CN204558534U CN 204558534 U CN204558534 U CN 204558534U CN 201520103327 U CN201520103327 U CN 201520103327U CN 204558534 U CN204558534 U CN 204558534U
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- Prior art keywords
- ferromagnetic layer
- layer
- substrate
- force snesor
- inverse ferric
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Abstract
For the problem of high-precision force snesor, the utility model provides a kind of force snesor, comprise substrate, inverse ferric magnetosphere, lower ferromagnetic layer, nonmagnetic layer, upper ferromagnetic layer, wherein, substrate is flexible magnetic metal, and inverse ferric magnetosphere is positioned in substrate, and lower ferromagnetic layer is positioned on inverse ferric magnetosphere, nonmagnetic layer is positioned on lower ferromagnetic layer, and upper ferromagnetic layer is positioned on nonmagnetic layer.Above-mentioned force snesor is attached to the surface of object under test or device, in time having stress to produce, power is passed to inverse ferric magnetosphere, lower ferromagnetic layer, nonmagnetic layer, upper ferromagnetic layer by substrate, causes the change of resistance, and then realize the detection of micro-power, greatly improve the sensitivity of detection.
Description
Technical field
The utility model relates to sensor field, refers more particularly to a kind of force snesor.
Background technology
Transducer is the device signals such as the power in the external world, heat, light, magnetic being converted to the signal of telecommunication that can be quantitative.Force snesor is widely used in the every field such as daily life, industrial production.Conventional force snesor, such as, batheroom scale requires not high to certainty of measurement.But, as the micro-power sensing in electronic device industry, then have very high requirement to precision.
Utility model content
For the problem of high-precision force snesor, the utility model provides a kind of force snesor, utilizes the detection of giant magnetoresistance effect realizable force, greatly improves the sensitivity of detection.Technical solution adopted in the utility model is, a kind of force snesor, comprise substrate, inverse ferric magnetosphere, lower ferromagnetic layer, nonmagnetic layer, upper ferromagnetic layer, wherein, substrate is flexible magnetic metal, and inverse ferric magnetosphere is positioned in substrate, and lower ferromagnetic layer is positioned on inverse ferric magnetosphere, nonmagnetic layer is positioned on lower ferromagnetic layer, and upper ferromagnetic layer is positioned on nonmagnetic layer.
Above-mentioned force snesor is attached to the surface of object under test or device, in time having stress to produce, power is passed to inverse ferric magnetosphere, lower ferromagnetic layer, nonmagnetic layer, upper ferromagnetic layer by substrate, causes the change of resistance, and then realize the detection of micro-power, greatly improve the sensitivity of detection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: ferromagnetic layer on 1 substrate, 2 inverse ferric magnetospheres, 3 times ferromagnetic layers, 4 nonmagnetic layers, 5.
Embodiment
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model, substrate 1, inverse ferric magnetosphere 2, lower ferromagnetic layer 3, nonmagnetic layer 4, upper ferromagnetic layer 5, wherein, substrate 1 is flexible magnetic metal, inverse ferric magnetosphere 2 is positioned in substrate 1, lower ferromagnetic layer 3 is positioned on inverse ferric magnetosphere 2, and nonmagnetic layer 4 is positioned on lower ferromagnetic layer 3, and upper ferromagnetic layer 5 is positioned on nonmagnetic layer 4.Above-mentioned force snesor is attached to the surface of object under test or device, in time having stress to produce, power is passed to inverse ferric magnetosphere 2, lower ferromagnetic layer 3, nonmagnetic layer 4, upper ferromagnetic layer 5 by substrate 1, causes the change of resistance, and then realize the detection of micro-power, greatly improve the sensitivity of detection.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. a force snesor, comprise substrate, inverse ferric magnetosphere, lower ferromagnetic layer, nonmagnetic layer, upper ferromagnetic layer, it is characterized in that: described substrate is flexible magnetic metal, inverse ferric magnetosphere is positioned in substrate, lower ferromagnetic layer is positioned on inverse ferric magnetosphere, nonmagnetic layer is positioned on lower ferromagnetic layer, and upper ferromagnetic layer is positioned on nonmagnetic layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520103327.1U CN204558534U (en) | 2015-02-11 | 2015-02-11 | A kind of force snesor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520103327.1U CN204558534U (en) | 2015-02-11 | 2015-02-11 | A kind of force snesor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204558534U true CN204558534U (en) | 2015-08-12 |
Family
ID=53833614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520103327.1U Expired - Fee Related CN204558534U (en) | 2015-02-11 | 2015-02-11 | A kind of force snesor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204558534U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507616A (en) * | 2017-09-14 | 2019-03-22 | 中国科学院宁波材料技术与工程研究所 | Characterizing method that antiferromagnet changes in stress magnetic, characterization device and preparation method thereof |
-
2015
- 2015-02-11 CN CN201520103327.1U patent/CN204558534U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507616A (en) * | 2017-09-14 | 2019-03-22 | 中国科学院宁波材料技术与工程研究所 | Characterizing method that antiferromagnet changes in stress magnetic, characterization device and preparation method thereof |
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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: 20150812 Termination date: 20160211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |