CN204346902U - A kind of regulating device of reflecting mirror for return gas compartment - Google Patents
A kind of regulating device of reflecting mirror for return gas compartment Download PDFInfo
- Publication number
- CN204346902U CN204346902U CN201520044550.3U CN201520044550U CN204346902U CN 204346902 U CN204346902 U CN 204346902U CN 201520044550 U CN201520044550 U CN 201520044550U CN 204346902 U CN204346902 U CN 204346902U
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- Prior art keywords
- mirror
- catoptron
- panel
- screw rod
- mirror unit
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Abstract
The utility model relates to a kind of parts of laser gas analyzer, be specially a kind of regulating device of reflecting mirror for return gas compartment, comprise a catoptron, the mirror unit of one stationary mirror, one regulates panel, one connects the catoptron screw rod regulating panel and mirror unit, some being arranged on regulates set screw on panel and trip bolt, on described mirror unit, the face of stationary mirror is inclined-plane relative to gas locular wall, face mirror unit connecting catoptron screw rod is plane relative to gas locular wall, described adjustment panel is parallel with face mirror unit connecting catoptron screw rod.The utility model is by the position of set screw precise hard_drawn tuhes mirror unit and angle, thus the position of accommodation reflex mirror and angle, to reach desirable light path, and reliable and stable; And the sharpness of reguulation is high, be easy to fine setting mirror mirror position control optical path change, adjustment process is easy; It is strong that adjustment completes rear stability, and reliability is high.
Description
Technical field
The utility model relates to a kind of parts of laser gas analyzer, is specially a kind of regulating device of reflecting mirror for return gas compartment.
Background technology
In unsaturated weak absorbing situation, semiconductor laser can be stated by Beer-Lambert relation through the light intensity attenuation of tested gas:
（1）
In formula: I
0and I
νlight intensity when representing that frequency is the one-wavelength laser incidence of ν respectively and after light path L, gaseous tension P and volumetric concentration are the gas of X.Line shape function g (ν-ν
0) characterize the shape of this absorption line, it with gas temperature, pressure is relevant.S (T) represents the intensity of gas absorption spectrum line, is the function of gas temperature.S (T) parameter of conventional gas can be inquired about in molecular spectrum database HITRAN.
From Beer-Lambert relation, when other parameters are constant, gas concentration and light path are inversely proportional to.Therefore when tested gas content is very low, realize detecting by longer optical path.By the decay of measurement gas to laser intensity, according to formula (1) and S (T) and g (ν-ν
0) with temperature, pressure and other parameters quantitative relationship, the concentration information of tested gas can be obtained.In the detection of air trace gas, general needs and long light path re-absorption effect technology combine, and are used for improving instrument Monitoring lower-cut level.
Longer optical path generally adopts catoptron to carry out multiple reflections to realize to light, and catoptron is once be arranged on after in gas compartment, and its position and angle are difficult to regulate, thus more difficultly reaches desirable light path.
Utility model content
The utility model is in order to solve the defect and deficiency that exist in above-mentioned prior art, provide a kind of position by set screw precise hard_drawn tuhes mirror unit and angle, thus the position of accommodation reflex mirror and angle, to reach desirable light path, and the reliable and stable regulating device of reflecting mirror for return gas compartment.
The technical solution of the utility model: a kind of regulating device of reflecting mirror for return gas compartment, comprise a catoptron, the mirror unit of one stationary mirror, one regulates panel, one connects the catoptron screw rod regulating panel and mirror unit, some being arranged on regulates set screw on panel and trip bolt, on described mirror unit, the face of stationary mirror is inclined-plane relative to gas locular wall, face mirror unit connecting catoptron screw rod is plane relative to gas locular wall, and described adjustment panel is parallel with face mirror unit connecting catoptron screw rod.
The utility model is by the position of set screw precise hard_drawn tuhes mirror unit and angle, thus the position of accommodation reflex mirror and angle, to reach desirable light path, and reliable and stable; And the sharpness of reguulation is high, be easy to fine setting mirror mirror position control optical path change, adjustment process is easy; It is strong that adjustment completes rear stability, and reliability is high.
Preferably, the smooth end of described catoptron screw rod is fixed on mirror unit, and catoptron screw rod threaded end is through fastening by a clamp nut after adjustment panel.
This kind of structure ensure that the degree of being connected firmly regulating panel and mirror unit, thus makes its modification stability and better reliability.
Preferably, the quantity of described set screw is 3, and be arranged on and regulate panel wherein on three angles, the quantity of described trip bolt is two, is arranged on inside set screw that two diagonal angles arrange.
This kind of structure make its adjustable angle and position more, degree of regulation is higher, fastening more reliable after regulating.
Preferably, on described mirror unit, the face of stationary mirror and mirror back surface are fitted, and the minute surface of described catoptron is stainless steel gold plating film.
This kind of structure makes the connection of catoptron and mirror unit more solid and reliable; And the cleaning of catoptron and safeguard also comparatively simple.
Preferably, the diameter of described catoptron screw rod is less than through hole gas compartment wearing catoptron screw rod, is provided with seal closure between described adjustment panel and gas compartment.
This kind of structure makes set screw in adjustment process, and catoptron screw rod can tilt at an angle, thus make its adjustable angle and position more, degree of regulation is higher.
The utility model is by the position of set screw precise hard_drawn tuhes mirror unit and angle, thus the position of accommodation reflex mirror and angle, to reach desirable light path, and reliable and stable; And the sharpness of reguulation is high, be easy to fine setting mirror mirror position control optical path change, adjustment process is easy; It is strong that adjustment completes rear stability, and reliability is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of the utility model when being arranged on gas compartment;
1. set screw, 2. clamp nut in figure, 3. regulate panel, 4. mirror unit, 5. catoptron, 6. catoptron screw rod, 7. trip bolt, 8. seal closure, 9. gas compartment.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, but is not the restriction to the utility model protection domain.
As illustrated in fig. 1 and 2, a kind of regulating device of reflecting mirror for return gas compartment, comprise a catoptron 5, the mirror unit 4 of one stationary mirror 5, one regulates panel 3, one connects the catoptron screw rod 6 regulating panel 3 and mirror unit 4, be arranged on three set screw 1 on adjustment panel 3 and two trip bolts 7, on mirror unit 4, the face of stationary mirror 5 is inclined-plane relative to gas locular wall, face mirror unit 4 connecting catoptron screw rod 6 is plane relative to gas locular wall, regulates panel 3 parallel with face mirror unit 4 connecting catoptron screw rod 6.The smooth end of catoptron screw rod 6 is fixed on mirror unit 4, and catoptron screw rod 6 threaded end is through regulating panel 3 rear fastening by a clamp nut 2.Three set screw 1 are arranged on and regulate panel 3 wherein on three angles, and two trip bolts 7 are arranged on inside the set screw 1 that two diagonal angles arrange.On mirror unit 4, fit in the face of stationary mirror 5 and catoptron 5 back side, and the minute surface of catoptron 5 is stainless steel gold plating film.The diameter of catoptron screw rod 6 is less than through hole gas compartment 9 wearing catoptron screw rod 6, regulates between panel 3 and gas compartment 9 and is provided with seal closure 8.
The utility model is one of significant components of the return gas compartment of laser gas analyzer.
Each set screw has corresponding screw hole on return gas compartment.Position and angle first by set screw accommodation reflex microscope base during use, make device firm when screwing trip bolt after light path ideal again.
The utility model is by the position of set screw precise hard_drawn tuhes mirror unit and angle, thus the position of accommodation reflex mirror and angle, to reach desirable light path, and reliable and stable; And the sharpness of reguulation is high, be easy to fine setting mirror mirror position control optical path change, adjustment process is easy; It is strong that adjustment completes rear stability, and reliability is high.
Claims (5)
1. the regulating device of reflecting mirror for return gas compartment, it is characterized in that: it comprises a catoptron, the mirror unit of one stationary mirror, one regulates panel, one connects the catoptron screw rod regulating panel and mirror unit, some being arranged on regulates set screw on panel and trip bolt, on described mirror unit, the face of stationary mirror is inclined-plane relative to gas locular wall, face mirror unit connecting catoptron screw rod is plane relative to gas locular wall, and described adjustment panel is parallel with face mirror unit connecting catoptron screw rod.
2. a kind of regulating device of reflecting mirror for return gas compartment according to claim 1, is characterized in that: the smooth end of described catoptron screw rod is fixed on mirror unit, and catoptron screw rod threaded end is through fastening by a clamp nut after adjustment panel.
3. a kind of regulating device of reflecting mirror for return gas compartment according to claim 1, it is characterized in that: the quantity of described set screw is 3, be arranged on and regulate panel wherein on three angles, the quantity of described trip bolt is two, is arranged on inside set screw that two diagonal angles arrange.
4. a kind of regulating device of reflecting mirror for return gas compartment according to claim 1, is characterized in that: on described mirror unit, the face of stationary mirror and mirror back surface are fitted, and the minute surface of described catoptron is stainless steel gold plating film.
5. a kind of regulating device of reflecting mirror for return gas compartment according to claim 1, is characterized in that: the diameter of described catoptron screw rod is less than through hole gas compartment wearing catoptron screw rod, is provided with seal closure between described adjustment panel and gas compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044550.3U CN204346902U (en) | 2015-01-22 | 2015-01-22 | A kind of regulating device of reflecting mirror for return gas compartment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044550.3U CN204346902U (en) | 2015-01-22 | 2015-01-22 | A kind of regulating device of reflecting mirror for return gas compartment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204346902U true CN204346902U (en) | 2015-05-20 |
Family
ID=53230163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520044550.3U Expired - Fee Related CN204346902U (en) | 2015-01-22 | 2015-01-22 | A kind of regulating device of reflecting mirror for return gas compartment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204346902U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977693A (en) * | 2015-07-12 | 2015-10-14 | 安徽捷迅光电技术有限公司 | Adjustable imaging mechanism based on transmission platform |
| CN107450153A (en) * | 2017-10-09 | 2017-12-08 | 苏州市光生环境科技有限公司 | A kind of air infrared detection equipment lens controlling device |
-
2015
- 2015-01-22 CN CN201520044550.3U patent/CN204346902U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977693A (en) * | 2015-07-12 | 2015-10-14 | 安徽捷迅光电技术有限公司 | Adjustable imaging mechanism based on transmission platform |
| CN107450153A (en) * | 2017-10-09 | 2017-12-08 | 苏州市光生环境科技有限公司 | A kind of air infrared detection equipment lens controlling device |
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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: 20150520 Termination date: 20160122 |
|
| EXPY | Termination of patent right or utility model |