CN103698300A - Air chamber optical path regulator - Google Patents
Air chamber optical path regulator Download PDFInfo
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- CN103698300A CN103698300A CN201310742137.XA CN201310742137A CN103698300A CN 103698300 A CN103698300 A CN 103698300A CN 201310742137 A CN201310742137 A CN 201310742137A CN 103698300 A CN103698300 A CN 103698300A
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- air chamber
- rubber
- optical path
- air
- connecting link
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- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to an air chamber optical path regulator. The air chamber optical path regulator mainly comprises a barometer, a rubber pressure balloon, an air valve cap, an air chamber, a reflecting mirror and a mirror frame thereof, a displacement rotating wheel, a driving rod, a connecting rod, a fixed screw cap and rubber pipes, wherein the rubber pressure balloon and the barometer are tightly connected with the air chamber through the rubber pipes; the air valve cap is inserted in the rubber pipe through which the rubber pressure balloon is connected with the air chamber; the reflecting mirror and the mirror frame thereof as well as the connecting rod are connected and are mounted in the air chamber; the fixed screw cap is also mounted in the air chamber and placed below the connecting rod; one end of the driving rod is locked in the center of the displacement rotating wheel and the other end of the driving rod penetrates through the air chamber and is tightly connected with the connecting rod.
Description
Technical field
The present invention is used for based on michelson interferometer measurement atmospheric pressure and index of refraction relationship field.
Background technology
Michelson interferometer is a kind of very accurate observation and surveying instrument, apply very extensive, if the measurement of air refraction under the measurement of liquid refractivity, different pressure is, the measurement of laser source wavelength etc.But under measuring different pressure in the experiment of air refraction, to calm the anger ball to inflating in air chamber or unscrewing air valve cap, slowly venting, be all difficult to control the speed that pressure changes with rubber, to such an extent as to optical path difference change is too fast, it is too fast that interference fringe changes, be difficult to record accurately experimental data, can make the experimental error that generation is larger.
Summary of the invention
Too fast in order to overcome in the experiment that air refraction under different pressure measures pressure change, be difficult for this shortcoming of accurate recording experimental data, the present invention has designed air chamber optical path modifier, can well address this problem.
Air chamber optical path modifier of the present invention mainly comprises barometer, rubber calm the anger ball, air valve cap, air chamber, catoptron and picture frame thereof, displacement rotor wheel, driving stem, connecting link, hold-doun nut, rubber tube.Air chamber is that a diameter is 5cm, the right cylinder that length is 15cm, and upper and lower two ends are clear glasses, cylinder is hard plastic material.Air chamber is connected with barometer with the rubber ball of calming the anger respectively by rubber tube, air valve cap is to be inserted in the active screw that rubber is calmed the anger on the rubber tube that ball is connected with air chamber, by the rubber ball of calming the anger, can inflate to air chamber the inside, increase the pressure of air chamber the inside, also can unscrew air valve emits air chamber is exitted, reduce pressure, utilize piezometer can obtain the pressure values of air chamber the inside.Air chamber only communicates with calm the anger ball, piezometer of rubber, and other places are airtight entirely.Catoptron is embedded in picture frame and with connecting link and is connected, and is jointly arranged on air chamber the inside, and connecting link is the square that a length is respectively 2mm, 2mm, 6cm, and a side of connecting link is equally distributed sawtooth.Hold-doun nut is also arranged on air chamber inwall, and is placed on the effect of opening a support, stablizing connecting link and picture frame below connecting link, and connecting link can drive the picture frame that catoptron is housed to move forward and backward on hold-doun nut.Displacement rotor wheel is that a diameter is 2.5cm, is highly the hollow cylinder of 1.5cm, and in center, fixing a length is 5cm, the driving stem that diameter is 6mm, and lock this one end of driving stem, other one end of driving stem is equally distributed gear.Displacement rotor wheel is close to the outer wall that air chamber is arranged on air chamber, a part for driving stem and displacement rotor wheel are connected in the outside of air chamber mutually, a part penetrates the inside that air chamber is inserted in air chamber in addition, and allow the gear parts close proximity of cogged that one end of driving stem band and connecting link, guarantee just can drive the picture frame being connected with connecting link to move slowly before and after air chamber the inside by driving stem when regulating displacement rotor wheel, catoptron be also just along with picture frame moves forward and backward.In experiment, air chamber optical path modifier is put in the light path of Michelson interferometer, to air chamber, inflates, increase pressure, and tighten air valve cap; When pressure values is fixed, regulate light path, thereby regulate slowly displacement rotor wheel to change catoptron and change optical path difference in the position of air chamber the inside, because optical path difference changes slowly and is easy to control its pace of change, therefore can make interference fringe move slowly, the mobile number of striped under accurate recording, finally utilizes principle of interference just can calculate the air refraction under this pressure; Change pressure values, repeat experiment, just can calculate the air refraction under any one pressure.
The invention has the advantages that by regulating displacement rotor wheel to change optical path difference, just can allow interference fringe slowly change, thereby avoided changing the too fast error that is difficult for recording experimental data because of interference fringe.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Figure is structural principle of the present invention and embodiment schematic diagram.
In figure, 1, the rubber ball of calming the anger, 2, air valve cap, 3, rubber tube, 4, driving stem, 5, catoptron and picture frame, 6, barometer, 7, connecting link, 8, hold-doun nut, 9, displacement rotor wheel, 10, air chamber.
Embodiment
In the drawings, the rubber ball (1) of calming the anger, barometer (6) is closely connected with air chamber (10) by rubber tube (3), air valve emits (2) to be inserted in rubber to calm the anger in the rubber tube (3) that ball (1) is connected with air chamber (10), catoptron and picture frame (5) are connected and are jointly arranged on the inside of air chamber (10) with connecting link (7), hold-doun nut (8) is also arranged on the inside of air chamber (10), and be placed on connecting link below, one end of driving stem (4) is locked in the center of displacement rotor wheel (9), the other end penetrate air chamber (10) and with connecting link (7) close proximity.
Claims (1)
1. an air chamber optical path modifier, it is characterized in that the rubber ball (1) of calming the anger, barometer (6) is closely connected with air chamber (10) by rubber tube (3), air valve emits (2) to be inserted in rubber to calm the anger in the rubber tube (3) that ball (1) is connected with air chamber (10), catoptron and picture frame (5) are connected and are jointly arranged on the inside of air chamber (10) with connecting link (7), hold-doun nut (8) is also arranged on the inside of air chamber (10), and be placed on connecting link below, one end of driving stem (4) is locked in the center of displacement rotor wheel (9), the other end penetrate air chamber (10) and with connecting link (7) close proximity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310742137.XA CN103698300B (en) | 2013-12-30 | 2013-12-30 | Air chamber optical path regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310742137.XA CN103698300B (en) | 2013-12-30 | 2013-12-30 | Air chamber optical path regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103698300A true CN103698300A (en) | 2014-04-02 |
| CN103698300B CN103698300B (en) | 2015-10-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310742137.XA Expired - Fee Related CN103698300B (en) | 2013-12-30 | 2013-12-30 | Air chamber optical path regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103698300B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568830A (en) * | 2014-12-18 | 2015-04-29 | 武汉六九传感科技有限公司 | Photoelectric gas sensor and detection device |
| CN107339931A (en) * | 2017-06-29 | 2017-11-10 | 安徽皖仪科技股份有限公司 | Air pressure adjustment without motion part interferometer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86107252A (en) * | 1986-10-21 | 1988-05-04 | 北京机械工业管理学院分部 | Measuring device of refraction index of air |
| CN202210075U (en) * | 2011-08-31 | 2012-05-02 | 西安科技大学 | Optical measuring device for gas refractive index |
| CN103076304A (en) * | 2013-01-05 | 2013-05-01 | 浙江理工大学 | Modulation type laser interference method and device for measuring air refractive index |
| CN203705341U (en) * | 2013-12-30 | 2014-07-09 | 四川大学 | Air chamber optical path adjuster for measuring relationship between air refractive index and pressure intensity |
-
2013
- 2013-12-30 CN CN201310742137.XA patent/CN103698300B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86107252A (en) * | 1986-10-21 | 1988-05-04 | 北京机械工业管理学院分部 | Measuring device of refraction index of air |
| CN202210075U (en) * | 2011-08-31 | 2012-05-02 | 西安科技大学 | Optical measuring device for gas refractive index |
| CN103076304A (en) * | 2013-01-05 | 2013-05-01 | 浙江理工大学 | Modulation type laser interference method and device for measuring air refractive index |
| CN203705341U (en) * | 2013-12-30 | 2014-07-09 | 四川大学 | Air chamber optical path adjuster for measuring relationship between air refractive index and pressure intensity |
Non-Patent Citations (2)
| Title |
|---|
| 李宏 等: "迈克尔逊干涉仪测空气折射率", 《牡丹江师范学院学报》, no. 2, 30 June 2013 (2013-06-30), pages 14 - 15 * |
| 汪晓春 等: "一种基于迈克尔逊干涉仪测量透明液体折射率的方法", 《光学仪器》, vol. 34, no. 5, 31 October 2012 (2012-10-31), pages 1 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568830A (en) * | 2014-12-18 | 2015-04-29 | 武汉六九传感科技有限公司 | Photoelectric gas sensor and detection device |
| CN107339931A (en) * | 2017-06-29 | 2017-11-10 | 安徽皖仪科技股份有限公司 | Air pressure adjustment without motion part interferometer |
| CN107339931B (en) * | 2017-06-29 | 2019-04-16 | 安徽皖仪科技股份有限公司 | Air pressure adjustment without motion part interferometer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103698300B (en) | 2015-10-21 |
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Granted publication date: 20151021 Termination date: 20191230 |
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