CN209069201U - For simplifying the full-bridge foil resistance strain gauge of cantilever beam sensor - Google Patents
For simplifying the full-bridge foil resistance strain gauge of cantilever beam sensor Download PDFInfo
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- CN209069201U CN209069201U CN201822166023.6U CN201822166023U CN209069201U CN 209069201 U CN209069201 U CN 209069201U CN 201822166023 U CN201822166023 U CN 201822166023U CN 209069201 U CN209069201 U CN 209069201U
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- sensitive grid
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- sensitive
- strain gauge
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Abstract
The utility model is suitable for strain gauge technical field, provide the full-bridge foil resistance strain gauge for simplifying cantilever beam sensor, including substrate, successively alignment is provided with the first sensitive grid from left to right in substrate, second sensitive grid, third sensitive grid and the 4th sensitive grid, first sensitive grid is consistent with third sensitivity grid structure and in -45 ° of arrangements, second sensitive grid and the 4th sensitive grid structure are unanimously and in 45 ° of arrangements, first sensitive grid, second sensitive grid, third sensitive grid and the 4th sensitive grid are Nian Jie with substrate by bonding agent, first sensitive grid, second sensitive grid, third sensitive grid and the 4th sensitive grid lower end are respectively arranged with the first solder joint, second solder joint, third solder joint and the 4th solder joint, first solder joint connects the first sensitive grid and the second sensitive grid, second solder joint is separately connected the second sensitive grid and third sensitive grid, third solder joint It is separately connected the first sensitive grid and the 4th sensitive grid, the 4th solder joint is separately connected third sensitive grid and the 4th sensitive grid, is barricaded as Wheatstone bridge.
Description
Technical field
The utility model belongs to strain gauge technical field, more particularly, to simplifies the full-bridge foil electricity of cantilever beam sensor
Hinder strain gauge.
Background technique
Strain ga(u)ge is a kind of common stress, strain measurement element, it is pasted onto securely on the measuring point of component,
Since measuring point generates strain after member stress, foil gauge also deforms therewith, and the length and cross-sectional area of wire are also with structure
Part one changes, and then resistance variations occur, then the resistance variations size of foil gauge is measured by special instrument, and be converted to measuring point
Strain value.Strain ga(u)ge is to measure the logarithmic strain of component using deforming together with tested component when working.Due to structure
There is the mechanical characteristic of certain directionality and component and architectural characteristic to make component for part its deformation under the action of load-up condition
Local unit generate different deformations, i.e. strain regime has regionality.
The self-complementary rate of full-bridge foil resistance strain gauge temperature drift is not high in the prior art, and wants to Strain Meter Set bridge operator
It asks high, sensor production operator is required high.
Utility model content
The utility model provides the full-bridge foil resistance strain gauge for simplifying cantilever beam sensor, it is intended to solve existing skill
The self-complementary rate of strain gauge temperature drift in art is not high and to the demanding problem of sensor production.
The utility model is realized in this way the full-bridge foil resistance strain gauge for simplifying cantilever beam sensor, including
Substrate, sensitive grid and sealant, sensitive grid include the first sensitive grid, the second sensitive grid, third sensitive grid and the 4th sensitive grid, base
Successively alignment is provided with the first sensitive grid, the second sensitive grid, third sensitive grid and the 4th sensitive grid from left to right on bottom, and first is quick
It is consistent with third sensitivity grid structure and in -45 ° of arrangements to feel grid, the second sensitive grid and the 4th sensitive grid structure are consistent and arrange in 45 °
Cloth, the first sensitive grid, the second sensitive grid, third sensitive grid and the 4th sensitive grid are Nian Jie with substrate by bonding agent, and first is sensitive
For incuding strain, the first sensitive grid, the second sensitive grid, third are quick for grid, the second sensitive grid, third sensitive grid and the 4th sensitive grid
Sense grid and the 4th sensitive grid lower end are respectively arranged with the first solder joint, the second solder joint, third solder joint and the 4th solder joint, and the first solder joint connects
The upper end of the first sensitive grid and the second sensitive grid is connect, the second solder joint is separately connected the lower end of the second sensitive grid and third sensitive grid,
Third solder joint is separately connected the lower end of the first sensitive grid and the 4th sensitive grid, and the 4th solder joint is separately connected third sensitive grid and the 4th
The upper end of sensitive grid, is barricaded as Wheatstone bridge.
Further, the first sensitive grid, the second sensitive grid, third sensitive grid and the 4th sensitive grid and the first solder joint,
Two solder joints, third solder joint and the 4th solder joint are metal foil.
Further, Basolateral is bonded with coating, and coating is placed on base upper portion, by the first sensitive grid, second
Sensitive grid, third sensitive grid and the covering of the 4th sensitive grid, can protect the first sensitive grid, the second sensitive grid, third sensitive grid and
4th sensitive grid.
Further, coating is a length of 10mm of rectangular shape, width 9.8mm.
Further, the first solder joint, the second solder joint, third solder joint and the 4th solder joint are square.
Further, substrate is using polyimide resin or phenol-formaldehyde resin modified or polyether-ether-ketone or epoxy resin or glass
Glass silk reinforced resin is coated, rotates, is sprayed, polyimide resin, phenol-formaldehyde resin modified, polyether-ether-ketone, epoxy resin, glass
Glass silk reinforced resin has superior isolation performance, and certain heatproof, acid and alkali-resistance, electrolyte resistance can make strain gauge for various rings
Border.
Further, bonding agent is epoxy glue or phenol glue.
The utility model is achieved the utility model has the advantages that the utility model is by the laterally setting in a row of four sensitive grids, and four
Solder joint is successively laterally in a row to be arranged below four sensitive grids, and in four sensitive grids of vertical position and four solder joints phase one by one
Right, four solder joints and four sensitive grids connect and compose Wheatstone bridge, this full-bridge piece is on same plate (metal foil) by true
Sky annealing is processed/is made, and is effectively ensured that temperature drift is self-complementary, and self-complementary rate reaches 90%, this strain gauge has organized bridge,
Simplify sensor manufacturing process.
Detailed description of the invention
Fig. 1 is that the structure of the full-bridge foil resistance strain gauge provided by the utility model for simplifying cantilever beam sensor is shown
It is intended to.
In figure: the first solder joint of 1-；The second solder joint of 2-；3- third solder joint；The 4th solder joint of 4-；The first sensitive grid of 5-；6- second
Sensitive grid；7- third sensitive grid；The 4th sensitive grid of 8-；9- substrate；10- coating.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1, a kind of for simplifying the full-bridge foil resistance strain gauge of cantilever beam sensor, including substrate 9, sensitivity
Grid and sealant, sensitive grid includes the first sensitive grid, the second sensitive grid, third sensitive grid and the 4th sensitive grid, from a left side in substrate 9
Right successively alignment is provided with the first sensitive grid 5, the second sensitive grid 6, third sensitive grid 7 and the 4th sensitive grid 8, the first sensitive grid
5 it is consistent with 7 structure of third sensitive grid and in -45 ° arrangement, the second sensitive grid 6 it is consistent with 8 structure of the 4th sensitive grid and in 45 ° arrange
Cloth, the first sensitive grid 5, the second sensitive grid 6, third sensitive grid 7 and the 4th sensitive grid 8 are Nian Jie with substrate 9 by bonding agent, and first
For incuding strain, the first sensitive grid 5, second is sensitive for sensitive grid 5, the second sensitive grid 6, third sensitive grid 7 and the 4th sensitive grid 8
Grid 6, third sensitive grid 7 and 8 lower end of the 4th sensitive grid are respectively arranged with the first solder joint 1, the second solder joint 2, third solder joint 3 and third
Solder joint 4, the first solder joint 1 connect the upper end of the first sensitive grid 5 and the second sensitive grid 6, and the second solder joint 2 is separately connected the second sensitive grid
6 and third sensitive grid 7 lower end, third solder joint is separately connected the lower end of the first sensitive grid 5 and the 4th sensitive grid 8, the 4th solder joint 4
It is separately connected the upper end of third sensitive grid 7 and the 4th sensitive grid 8, is barricaded as Wheatstone bridge.
First sensitive grid 5, the second sensitive grid 6, third sensitive grid 7 and the 4th sensitive grid 8 and the first solder joint 1, the second solder joint
2, third solder joint 3 and third solder joint 4 are metal foil, facilitate integrated production.
Coating 10 is bonded on the outside of substrate 9, coating 10 is placed on 9 top of substrate, and the first sensitive grid 5, second is sensitive
Grid 6, third sensitive grid 7 and the covering of the 4th sensitive grid 8, can protect the first sensitive grid 5, the second sensitive grid 6, third sensitive grid 7
With the 4th sensitive grid 8.
Coating 10 is a length of 10mm of rectangular shape.Width is 9.8mm.
First solder joint 1, the second solder joint 2, third solder joint 3 and third solder joint 4 are square.
Substrate 9 is using polyimide resin or phenol-formaldehyde resin modified or polyether-ether-ketone or epoxy resin or glass fiber enhancing tree
Rouge is coated, rotates, is sprayed, polyimide resin, phenol-formaldehyde resin modified, polyether-ether-ketone, epoxy resin, glass fiber enhancing tree
Rouge has superior isolation performance, and certain heatproof, acid and alkali-resistance, electrolyte resistance can make strain gauge for various environment.
Bonding agent is epoxy glue or phenol glue.
The utility model the first sensitive grid 5, the second sensitive grid 6, third sensitive grid 7 and the 4th sensitive grid 8 and the first solder joint
1, the second solder joint 2, third solder joint 3 and third solder joint 4 form Wheatstone bridge, and the first sensitive grid 5, the second sensitive grid 6, third are quick
Feel grid 7 and the 4th sensitive grid 8 and the first solder joint 1, the second solder joint 2, third solder joint 3 and 4 material of third solder joint are metal foil, four
The connection structure of a sensitive grid is compact, this full-bridge piece passes through vacuum annealing process processing/production on same plate (metal foil)
It forms, is effectively ensured that temperature drift is self-complementary, and self-complementary rate reaches 90%, this strain gauge has organized bridge, simplifies sensor production work
Skill.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of for simplifying the full-bridge foil resistance strain gauge of cantilever beam sensor, which is characterized in that including substrate, sensitive grid
And sealant, sensitive grid include the first sensitive grid, the second sensitive grid, third sensitive grid and the 4th sensitive grid, in the substrate from
Left-to-right, which is successively aligned, is provided with the first sensitive grid, the second sensitive grid, third sensitive grid and the 4th sensitive grid, and described first is sensitive
Grid, third sensitivity grid structure are consistent and in -45 ° of arrangements, and second sensitive grid, the 4th sensitive grid structure are consistent and in 45 ° of rows
Cloth, first sensitive grid, the second sensitive grid, third sensitive grid and the 4th sensitive grid are Nian Jie with substrate by bonding agent, described
First sensitive grid, first sensitive grid, the second sensitive grid, third sensitive grid and the 4th sensitive grid lower end are respectively arranged with first
Solder joint, the second solder joint, third solder joint and the 4th solder joint, first solder joint connect first sensitive grid, the second sensitive grid
Upper end, second solder joint are separately connected the lower end of the second sensitive grid, third sensitive grid, and the third solder joint is separately connected first
The lower end of sensitive grid, the 4th sensitive grid, the 4th solder joint are separately connected the upper end of the third sensitive grid, the 4th sensitive grid,
It is barricaded as Wheatstone bridge.
2. as described in claim 1 for simplifying the full-bridge foil resistance strain gauge of cantilever beam sensor, which is characterized in that institute
State the first sensitive grid, the second sensitive grid, third sensitive grid and the 4th sensitive grid and the first solder joint, the second solder joint, third solder joint and
4th solder joint is metal foil.
3. as described in claim 1 for simplifying the full-bridge foil resistance strain gauge of cantilever beam sensor, which is characterized in that institute
It states Basolateral and is bonded with coating, the coating is placed on base upper portion, and by the first sensitive grid, the second sensitive grid, third are quick
Feel grid and the covering of the 4th sensitive grid.
4. as claimed in claim 3 for simplifying the full-bridge foil resistance strain gauge of cantilever beam sensor, which is characterized in that institute
Stating coating is a length of 10mm of rectangular shape, width 9.8mm.
5. as described in claim 1 for simplifying the full-bridge foil resistance strain gauge of cantilever beam sensor, which is characterized in that institute
The first solder joint, the second solder joint, third solder joint and the 4th solder joint is stated to be square.
6. as described in claim 1 for simplifying the full-bridge foil resistance strain gauge of cantilever beam sensor, which is characterized in that institute
State substrate using polyimide resin or phenol-formaldehyde resin modified or polyether-ether-ketone or epoxy resin or the coating of glass fiber reinforced resin,
It rotates, spray.
7. as described in claim 1 for simplifying the full-bridge foil resistance strain gauge of cantilever beam sensor, which is characterized in that institute
Stating bonding agent is epoxy glue or phenol glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822166023.6U CN209069201U (en) | 2018-12-21 | 2018-12-21 | For simplifying the full-bridge foil resistance strain gauge of cantilever beam sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822166023.6U CN209069201U (en) | 2018-12-21 | 2018-12-21 | For simplifying the full-bridge foil resistance strain gauge of cantilever beam sensor |
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| Publication Number | Publication Date |
|---|---|
| CN209069201U true CN209069201U (en) | 2019-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822166023.6U Active CN209069201U (en) | 2018-12-21 | 2018-12-21 | For simplifying the full-bridge foil resistance strain gauge of cantilever beam sensor |
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| CN (1) | CN209069201U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833770A (en) * | 2021-02-26 | 2021-05-25 | 中航电测仪器股份有限公司 | Compound full-bridge strain gauge |
| 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 |
-
2018
- 2018-12-21 CN CN201822166023.6U patent/CN209069201U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833770A (en) * | 2021-02-26 | 2021-05-25 | 中航电测仪器股份有限公司 | Compound full-bridge strain gauge |
| CN112833770B (en) * | 2021-02-26 | 2022-12-13 | 中航电测仪器股份有限公司 | Compound full-bridge strain gauge |
| 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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