CN202361946U - High temperature dynamic strain gauge - Google Patents
High temperature dynamic strain gauge Download PDFInfo
- Publication number
- CN202361946U CN202361946U CN 201120471026 CN201120471026U CN202361946U CN 202361946 U CN202361946 U CN 202361946U CN 201120471026 CN201120471026 CN 201120471026 CN 201120471026 U CN201120471026 U CN 201120471026U CN 202361946 U CN202361946 U CN 202361946U
- Authority
- CN
- China
- Prior art keywords
- high temperature
- industry
- alloy layer
- dynamic strain
- sensitive grid
- Prior art date
- 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
Links
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a high temperature dynamic strain gauge which is characterized by comprising a sensitive grid, an adhesive, a transition alloy layer, a protection layer and a lead, wherein the sensitive grid is stuck on the transition alloy layer through the adhesive; the protection layer is located outside the adhesive; the lead is located at the tail end of the sensitive grid; the transition alloy layer is in tight connection with a tested meal base; and the adhesive can resist high temperature of 1,000 DEG C. The high temperature dynamic strain gauge disclosed by the utility model can resist high temperature of 1,000 DEG C, is convenient to use, has a wide application range, is non-toxic, corrosion-free and incombustible, and can be applied to the mechanical industry, electronic industry, aviation industry, aerospace industry, nuclear industry and chemical industry.
Description
Technical field
The utility model relates to high temperature dynamic strain field of measuring technique, and a kind of high temperature dynamic strain meter is provided especially.
Background technology
High temperature dynamic strain meter technology is the topmost technological means of parts mechanical behavior of research working temperature more than 800 ℃.
Present strain electrical measurement probe temperature is higher than the high temperature strain measurement field more than 300 ℃ mostly below 300 ℃, and data are inaccurate, directly influence measuring accuracy.
The utility model content
The purpose of the utility model is in order to realize the accuracy of high temperature east strain measurement, and the spy provides a kind of high temperature dynamic strain meter.
The utility model provides a kind of high temperature dynamic strain meter, it is characterized in that: described high temperature dynamic strain meter comprises sensitive grid 1, bonding agent 2, transition alloy layer 3, protective seam 4, lead-in wire 6;
Wherein: sensitive grid 1 is bonded on the transition alloy layer 3 through bonding agent 2, and protective seam 4 is positioned at the outside of bonding agent 2, and lead-in wire 6 is positioned at the end of sensitive grid 1, and transition alloy layer 3 closely is connected with tested Metal Substrate 5;
Cementing agent 2 can anti-1000 ℃ of high temperature, and the principal ingredient of cementing agent 2 is that mass ratio is the Al (H of 22% concentration
2PO
4)
3Add material with other, other add material and comprise: Cr
2O
3, Al
2O
3, SiO
2, CrO
3And H
2O, transition alloy layer 3 can transmit strain and play the transition bonding effect.
Described transition alloy layer 3 can have good transmission strain function under 1000 ℃ of environmental baselines, and repeatability is good.
The advantage of the utility model:
The described high temperature dynamic strain of the utility model meter can be high temperature resistant 1000 ℃, easy to use, applied widely, nontoxic, do not have corrosion, do not burn, and can be used for mechanical industry, electronics industry, aircraft industry, aerospace processing, nuclear industry, chemical engineering industry.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation:
Fig. 1 is a high temperature dynamic strain meter structural representation.
Embodiment
Embodiment 1
Present embodiment provides a kind of high temperature dynamic strain meter, it is characterized in that: described high temperature dynamic strain meter comprises sensitive grid 1, bonding agent 2, transition alloy layer 3, protective seam 4, lead-in wire 6;
Wherein: sensitive grid 1 is bonded on the transition alloy layer 3 through bonding agent 2, and protective seam 4 is positioned at the outside of bonding agent 2, and lead-in wire 6 is positioned at the end of sensitive grid 1, and transition alloy layer 3 closely is connected with tested Metal Substrate 5;
Cementing agent 2 can anti-1000 ℃ of high temperature, and the principal ingredient of cementing agent 2 is that mass ratio is the Al (H of 22% concentration
2PO
4)
3Add material with other, other add material and comprise: Cr
2O
3, Al
2O
3, SiO
2, CrO
3And H
2O, transition alloy layer 3 can transmit strain and play the transition bonding effect.
Described transition alloy layer 3 can have good transmission strain function under 1000 ℃ of environmental baselines, and repeatability is good.
Claims (1)
1. high temperature dynamic strain meter is characterized in that: described high temperature dynamic strain meter comprises sensitive grid (1), bonding agent (2), transition alloy layer (3), protective seam (4), lead-in wire (6);
Wherein: sensitive grid (1) is bonded on the transition alloy layer (3) through bonding agent (2); Protective seam (4) is positioned at the outside of bonding agent (2); Lead-in wire (6) is positioned at the end of sensitive grid (1), and transition alloy layer (3) closely is connected with tested Metal Substrate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120471026 CN202361946U (en) | 2011-11-24 | 2011-11-24 | High temperature dynamic strain gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120471026 CN202361946U (en) | 2011-11-24 | 2011-11-24 | High temperature dynamic strain gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202361946U true CN202361946U (en) | 2012-08-01 |
Family
ID=46573127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120471026 Expired - Fee Related CN202361946U (en) | 2011-11-24 | 2011-11-24 | High temperature dynamic strain gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202361946U (en) |
-
2011
- 2011-11-24 CN CN 201120471026 patent/CN202361946U/en not_active Expired - Fee Related
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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: 20120801 Termination date: 20181124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |