CN203720035U - Digital elasticity modulus measuring device - Google Patents
Digital elasticity modulus measuring device Download PDFInfo
- Publication number
- CN203720035U CN203720035U CN201420104241.6U CN201420104241U CN203720035U CN 203720035 U CN203720035 U CN 203720035U CN 201420104241 U CN201420104241 U CN 201420104241U CN 203720035 U CN203720035 U CN 203720035U
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- CN
- China
- Prior art keywords
- iron core
- microprocessor
- display
- fixed
- type 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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Abstract
The utility model relates to a digital elasticity modulus measuring device comprising a support (1), a beam (2), a to-be-measured metal wire (3), an inductive sensor (4), an iron core (5), a weight set (6), a processing circuit (7), a microprocessor (8), a button (9) and a display (10), wherein the beam (2) is fixed at the upper end of the support (1); one end of the to-be-measured metal wire (3) is fixed in the middle of the beam (2), and the other end of the to-be-measured metal wire (3) is fixed at the upper end of the iron core (5); the iron core (5) passes through the middle of the inductive sensor (4), and the lower end of the iron core (5) is connected with the weight set (6); the inductive sensor (4) is connected with the processing circuit (7); the processing circuit (7), the button (9) and the display (10) are all connected with the microprocessor (8). When the amount of weights of the weight set (6) is increased, the to-be-measured metal wire (3) extends along with the increment of a tension, the iron core (5) moves downwards, the inductance value of the inductive sensor (4) is changed, a direct-current voltage is obtained by the processing circuit (7) and is converted by the microprocessor (8) to obtain the displacement of the iron core (5), and then, the displacement is transmitted to the display (10) for digital display.
Description
Technical field
The utility model relates to the fields, particularly sensor such as physics, electronics, sensing and machinery and detects physical quantity.
Background technology
Conventional pulling method is measured elastic modulus, adopts optical lever and telescope and scale tinsel elongation, and the method is difficult to regulate optical lever and telescope and scale to form optical system, mix up to be easily disturbed afterwards, poor stability, complicated operation, measure time-consuming.The utility model application sensors replaces optical lever, telescope and tape measure tinsel elongation, and simple to operate, stable performance, precision is high, the used time is short.
Summary of the invention
The utility model is the digitalizer that application sensors replaces optical lever, telescope and tape measure tinsel elongation.The utility model is comprised of support (1), crossbeam (2), tinsel to be measured (3), inductance type transducer (4), iron core (5), weight group (6), treatment circuit (7), microprocessor (8), button (9) and display (10); Crossbeam (2) is fixed on support (1) upper end, and one end of tinsel to be measured (3) is fixed on the upper end that crossbeam (2) middle part, the other end are fixed on iron core (5), and the lower end of iron core (5) connects weight group (6); Inductance type transducer (4) is fixed on the centre of support (1), and iron core (5) passes in the middle of inductance type transducer (4); Inductance type transducer (4) is connected with treatment circuit (7), and treatment circuit (7), button (9), display (10) are all connected with microprocessor (8).When weight group (6) counterweight number increases, tinsel to be measured (3) is subject to tension force increase and extends gradually, and iron core (5) moves down, and the inductance value of inductance type transducer (4) changes.The variable quantity of inductance value is converted to DC voltage by treatment circuit (7), and DC voltage is converted and obtained the displacement of iron core (5) by microprocessor (8) again, send display (10) to carry out numeral and shows.
The beneficial effects of the utility model are simple to operate, stable performances, precision is high, the used time is short.
Accompanying drawing explanation
Fig. 1 is structural representation, and Fig. 2 is circuit block diagram; In Fig. 1 and Fig. 2,1 is that support, 2 is that crossbeam, 3 is that tinsel to be measured, 4 is that inductance type transducer, 5 is that iron core, 6 is that weight group, 7 is that treatment circuit, 8 is that microprocessor, 9 is that button, 10 is display.
Embodiment
The utility model is the device that application sensors replaces optical lever, telescope and tape measure tinsel elongation.The utility model is comprised of support (1), crossbeam (2), tinsel to be measured (3), inductance type transducer (4), iron core (5), weight group (6), treatment circuit (7), microprocessor (8), button (9) and display (10); Crossbeam (2) is fixed on support (1) upper end, and one end of tinsel to be measured (3) is fixed on the upper end that crossbeam (2) middle part, the other end are fixed on iron core (5), and the lower end of iron core (5) connects weight group (6); Inductance type transducer (4) is fixed on the centre of support (1), and iron core (5) passes in the middle of inductance type transducer (4); Inductance type transducer (4) is connected with treatment circuit (7), and treatment circuit (7), button (9), display (10) are all connected with microprocessor (8).When weight group (6) counterweight number increases, tinsel to be measured (3) is subject to tension force increase and constantly extends, and iron core (5) moves down, and the inductance value of inductance type transducer (4) changes.The variable quantity of inductance value obtains DC voltage by treatment circuit (7), and DC voltage is converted and obtained the displacement of iron core (5) by microprocessor (8) again, send display (10) to show.
In the present embodiment, inductance type transducer (4) adopts differential solenoid type self inductance sensor.
In the present embodiment, microprocessor (8) adopts single-chip microcomputer STC12C4054AD, and this single-chip microcomputer has 12 AD translation functions.Display (10) adopts LCD1602 module.
Claims (3)
1. a digital elastic modulus measurement mechanism, is characterized in that being comprised of support (1), crossbeam (2), tinsel to be measured (3), inductance type transducer (4), iron core (5), weight group (6), treatment circuit (7), microprocessor (8), button (9) and display (10); Crossbeam (2) is fixed on support (1) upper end, and one end of tinsel to be measured (3) is fixed on the upper end that crossbeam (2) middle part, the other end are fixed on iron core (5), and the lower end of iron core (5) connects weight group (6); Inductance type transducer (4) is fixed on the centre of support (1), and iron core (5) passes in the middle of inductance type transducer (4); Inductance type transducer (4) is connected with treatment circuit (7), and treatment circuit (7), button (9), display (10) are all connected with microprocessor (8).
2. a kind of digital elastic modulus measurement mechanism according to claim 1, it is characterized in that comprising an inductance type transducer (4), when weight group (6) counterweight number increases, tinsel to be measured (3) is subject to tension force increase and extends gradually, iron core (5) moves down, and the inductance value of inductance type transducer (4) changes.
3. a kind of digital elastic modulus measurement mechanism according to claim 1, the variable quantity that it is characterized in that inductance value is converted to DC voltage by treatment circuit (7), DC voltage is converted and is obtained the displacement of iron core (5) by microprocessor (8) again, send display (10) to show.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420104241.6U CN203720035U (en) | 2014-03-10 | 2014-03-10 | Digital elasticity modulus measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420104241.6U CN203720035U (en) | 2014-03-10 | 2014-03-10 | Digital elasticity modulus measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203720035U true CN203720035U (en) | 2014-07-16 |
Family
ID=51159175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420104241.6U Expired - Fee Related CN203720035U (en) | 2014-03-10 | 2014-03-10 | Digital elasticity modulus measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203720035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238830A (en) * | 2018-10-19 | 2019-01-18 | 南京林业大学 | A kind of timber single fiber micro mechanics measuring device and measuring method |
-
2014
- 2014-03-10 CN CN201420104241.6U patent/CN203720035U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238830A (en) * | 2018-10-19 | 2019-01-18 | 南京林业大学 | A kind of timber single fiber micro mechanics measuring device and measuring method |
| CN109238830B (en) * | 2018-10-19 | 2021-02-05 | 南京林业大学 | Wood single-fiber micro-mechanical measurement device and measurement method |
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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: 20140716 Termination date: 20150310 |
|
| EXPY | Termination of patent right or utility model |