CN203643377U - Electronic measurement device for metal linear expansion coefficient - Google Patents
Electronic measurement device for metal linear expansion coefficient Download PDFInfo
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- CN203643377U CN203643377U CN201320729443.5U CN201320729443U CN203643377U CN 203643377 U CN203643377 U CN 203643377U CN 201320729443 U CN201320729443 U CN 201320729443U CN 203643377 U CN203643377 U CN 203643377U
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- metal cylinder
- metal
- fixed disc
- measured
- expansion coefficient
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Abstract
The utility model discloses an electronic measurement device for a metal linear expansion coefficient. The electronic measurement device comprises a bottom fixing disc (1), a metal cylinder (2), a to-be-detected metal rod (3), a top fixing disc (4), an optical fiber fixing column (5), an optical fiber displacement sensor (6), a steam inlet (7), a temperature sensor (8), a steam outlet (9), a singlechip (10) and a LCD (liquid crystal display) (11). During use, the temperature difference is measured and input into the singlechip (10) by the temperature sensor (8); the length increment of the metal rod is measured and input into the singlechip (10) by the optical fiber displacement sensor (6); the singlechip (10) feeds the processing result into the LCD (11) for display.
Description
Technical field
The utility model belongs to physical measurement field, relates to a kind of electronic measuring device of linear expansion coefficient.
Background technology
Optical fibre displacement sensor is light transmission type Fibre Optical Sensor, and optical fiber plays the transmitting effect of light in sensor, has two multimode optical fibers be respectively used to light source transmitting and receive in optical fibre displacement sensor.
Temperature sensor refers to the sensor that can experience temperature and convert usable output signal to.Temperature sensor is the most conventional one in omnifarious various sensor, modern temperature sensor profile very little, so more allow it be widely used in the every field of production practices, also for people's life provides countless facility and functions.Temperature sensor has four kinds of main Types: thermopair, thermistor, resistance temperature detector and integrated temperature sensor.Integrated temperature sensor comprises again simulation output and two types of numeral outputs.
One chip microcomputer is called for short single-chip microcomputer, is typical embedded microcontroller (Microcontroller Unit), and the abbreviation MCU of conventional English alphabet represents single-chip microcomputer, and it is to be used in industrial control field the earliest.Single-chip microcomputer is penetrated into the every field of our life at present, is almost difficult to find which field there is no the trace of single-chip microcomputer.Single-chip microcomputer moves by program, and can revise.Realize different functions by different programs, by program, can control easily LED lamp, charactron and light the rotating speed of speed and motor with single-chip microcomputer, can produce easily the row operation of going forward side by side of various random digits.Can realize the high intelligence of product by program, high-level efficiency, and high reliability.
LCD liquid crystal display is the abbreviation of Liquid Crystal Display, the structure of LCD is to place liquid crystal in the middle of two parallel glass, two have the tiny electric wire of many vertical and levels in the middle of sheet glass, whether seeing through switches on controls shaft-like crystal molecular changes direction, and light refraction is out produced to picture.
Summary of the invention
It is cumbersome that optical lever method is surveyed linear expansion coefficient, the purpose of this utility model is to design the electronic measuring device of a kind of simple in structure, easy to use, dependable performance, cheap linear expansion coefficient, can automatically demonstrate the measurement result of linear expansion coefficient.
For achieving the above object, the utility model comprises: bottom fixed disc (1), metal cylinder (2), metal bar to be measured (3), top fixed disc (4), optical fiber fixed leg (5), optical fibre displacement sensor (6), steam inlet (7), temperature sensor (8), steam (vapor) outlet (9), single-chip microcomputer (10), LCD liquid crystal display (11), it is characterized in that: the lower surface of metal cylinder (2) embeds bottom fixed disc (1), the circular hole that a diameter is identical with metal cylinder (2) is made a call to by top fixed disc (4) central authorities, top fixed disc (4) is fixed in metal cylinder (2), the upper surface of the upper surface of metal cylinder (2) and top fixed disc (4) at grade, the circular hole that a diameter is identical with metal bar to be measured (3) is made a call in the upper face center position of metal cylinder (2), metal bar to be measured (3) is put into metal cylinder (2) and is exposed sub-fraction from the circular hole of metal cylinder (2) upper surface, optical fiber fixed leg (5) is fixed on the upper surface of napex fixed disc (4), optical fibre displacement sensor (6) is fixed on a side of optical fiber fixed leg (5), align with the upper surface of metal bar to be measured (3) in the lower end of optical fibre displacement sensor (6), the top, side of metal cylinder (2) has steam inlet (7), the bottom, side of metal cylinder (2) has steam (vapor) outlet (9), temperature sensor (8) embeds from the middle part, side of metal cylinder (2), single-chip microcomputer (10) is sent into respectively in the output of optical fibre displacement sensor (6) and temperature sensor (8), single-chip microcomputer (10) is sent result into LCD liquid crystal display (11) and is shown.
Accompanying drawing explanation
The electronic measuring device structural representation of Fig. 1 linear expansion coefficient;
The electronic measuring device signal of Fig. 2 linear expansion coefficient is processed block scheme;
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is illustrated.
Referring to the electronic measuring device structural representation of Fig. 1 linear expansion coefficient, the electronic measuring device of linear expansion coefficient is by bottom fixed disc (1), metal cylinder (2), metal bar to be measured (3), top fixed disc (4), optical fiber fixed leg (5), optical fibre displacement sensor (6), steam inlet (7), temperature sensor (8), steam (vapor) outlet (9) composition, the lower surface of metal cylinder (2) embeds bottom fixed disc (1), the circular hole that a diameter is identical with metal cylinder (2) is made a call to by top fixed disc (4) central authorities, top fixed disc (4) is fixed in metal cylinder (2), the upper surface of the upper surface of metal cylinder (2) and top fixed disc (4) at grade, the circular hole that a diameter is identical with metal bar to be measured (3) is made a call in the upper face center position of metal cylinder (2), metal bar to be measured (3) is put into metal cylinder (2) the lonely sub-fraction of exposing of circle from metal cylinder (2) upper surface, optical fiber fixed leg (5) is fixed on the upper surface of top fixed disc (4), optical fibre displacement sensor (6) is fixed on a side of optical fiber fixed leg (5), align with the upper surface of metal bar to be measured (3) in the lower end of optical fibre displacement sensor (6), the top, side of metal cylinder (2) has steam inlet (7), the bottom, side of metal cylinder (2) has steam (vapor) outlet (9), temperature sensor (8) embeds from the middle part, side of metal cylinder (2).
Electronic measuring device signal referring to Fig. 2 linear expansion coefficient is processed block scheme, the electronic measuring device signal processing of linear expansion coefficient is made up of single-chip microcomputer (10), LCD liquid crystal display (11), single-chip microcomputer (10) is sent into respectively in the output of optical fibre displacement sensor (6) and temperature sensor (8), and single-chip microcomputer (10) is sent result into LCD liquid crystal display (11) and shown.
If the length of metal bar in the time of temperature t 1 is 1, when temperature is raised to t2, its length increases δ, and its linear expansion coefficient can be by formula
provide, the length 1 of metal bar in the time of temperature t 1 can be measured in advance, can be made as fixed value, its value can deposit in single-chip microcomputer (10) in advance, single-chip microcomputer (10) is measured and be input to temperature difference (t2-t1) by temperature sensor (8), metal bar length recruitment δ measures and is input to single-chip microcomputer (10) by optical fibre displacement sensor (6), and single-chip microcomputer (10) is sent result into LCD liquid crystal display (11) and shown.
Claims (1)
1. the electronic measuring device of a linear expansion coefficient, it is characterized in that: the electronic measuring device of linear expansion coefficient is by bottom fixed disc (1), metal cylinder (2), metal bar to be measured (3), top fixed disc (4), optical fiber fixed leg (5), optical fibre displacement sensor (6), steam inlet (7), temperature sensor (8), steam (vapor) outlet (9), single-chip microcomputer (10), LCD liquid crystal display (11) composition, the lower surface of metal cylinder (2) embeds bottom fixed disc (1), the circular hole that a diameter is identical with metal cylinder (2) is made a call to by top fixed disc (4) central authorities, top fixed disc (4) is fixed in metal cylinder (2), the upper surface of the upper surface of metal cylinder (2) and top fixed disc (4) at grade, the circular hole that a diameter is identical with metal bar to be measured (3) is made a call in the upper face center position of metal cylinder (2), metal bar to be measured (3) is put into metal cylinder (2) and is exposed sub-fraction from the circular hole of metal cylinder (2) upper surface, optical fiber fixed leg (5) is fixed on the upper surface of napex fixed disc (4), optical fibre displacement sensor (6) is fixed on a side of optical fiber fixed leg (5), align with the upper surface of metal bar to be measured (3) in the lower end of optical fibre displacement sensor (6), the top, side of metal cylinder (2) has steam inlet (7), the bottom, side of metal cylinder (2) has steam (vapor) outlet (9), temperature sensor (8) embeds from the middle part, side of metal cylinder (2), single-chip microcomputer (10) is sent into respectively in the output of optical fibre displacement sensor (6) and temperature sensor (8), single-chip microcomputer (10) is sent result into LCD liquid crystal display (11) and is shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320729443.5U CN203643377U (en) | 2013-11-11 | 2013-11-11 | Electronic measurement device for metal linear expansion coefficient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320729443.5U CN203643377U (en) | 2013-11-11 | 2013-11-11 | Electronic measurement device for metal linear expansion coefficient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203643377U true CN203643377U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320729443.5U Expired - Fee Related CN203643377U (en) | 2013-11-11 | 2013-11-11 | Electronic measurement device for metal linear expansion coefficient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203643377U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606640A (en) * | 2015-10-08 | 2016-05-25 | 湖南科技学院 | Photoelectric metal linear expansion coefficient determination device |
| CN109164132A (en) * | 2017-12-06 | 2019-01-08 | 济南兰光机电技术有限公司 | A kind of device, method and film pyrocondensation tester detecting material expansion and contraction |
-
2013
- 2013-11-11 CN CN201320729443.5U patent/CN203643377U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606640A (en) * | 2015-10-08 | 2016-05-25 | 湖南科技学院 | Photoelectric metal linear expansion coefficient determination device |
| CN109164132A (en) * | 2017-12-06 | 2019-01-08 | 济南兰光机电技术有限公司 | A kind of device, method and film pyrocondensation tester detecting material expansion and contraction |
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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: 20140611 Termination date: 20141111 |
|
| EXPY | Termination of patent right or utility model |