CN214749726U - Integrated Herriott optical reflecting pool - Google Patents
Integrated Herriott optical reflecting pool Download PDFInfo
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- CN214749726U CN214749726U CN202120771177.7U CN202120771177U CN214749726U CN 214749726 U CN214749726 U CN 214749726U CN 202120771177 U CN202120771177 U CN 202120771177U CN 214749726 U CN214749726 U CN 214749726U
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- connecting column
- concave surface
- reflecting mirror
- optical fiber
- optical
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Abstract
The utility model discloses an integration herriott optical reflection pond, left concave surface speculum and right concave surface speculum including parallel arrangement, it is fixed to connect through the lens spliced pole between left side concave surface speculum and the right concave surface speculum, the lens spliced pole sets up and is the integral structure with left concave surface speculum and right concave surface speculum is perpendicular, lens spliced pole and left concave surface speculum, the integral structure outside that right concave surface speculum constitutes is provided with the light cell shell body, the light cell shell body is hollow cylinder structure, the both ends tip and left concave surface speculum of light cell shell body, the one side that right concave surface speculum is located the outside is together, incident optical fiber and emergent optical fiber stretch out through incident optical fiber hole and emergent optical fiber hole, the light cell venthole has still been opened on the left side concave surface speculum, the light cell inlet port has still been opened on the right concave surface speculum. The utility model provides a traditional Herriott optical reflection pond structural stability who exists among the prior art poor, the problem of the assembly of being not convenient for.
Description
Technical Field
The utility model belongs to the technical field of gas concentration measurement and optics, concretely relates to integration herriott optical reflection pond.
Background
In the conventional Herriott optical reflecting pool, two concave reflecting mirrors are respectively fixed on an instrument, as shown in fig. 1, so that light is reflected back and forth between the two concave mirrors, an effective optical path is increased, and the concentration of gas is detected. The disadvantages of this configuration are as follows: the optical platform and the adjustable optical bench are not available, so that the assembly is inconvenient, and the main optical axes of the two concave reflectors are difficult to coincide; when the external shell vibrates, the light reflected between the two concave mirrors can oscillate along with the external shell, and in severe cases, emergent light cannot be emitted from the light emitting port, so that the gas concentration cannot be detected; when the temperature in the optical cell rises, the thermal expansion coefficient becomes large, which leads to unstable structure and influences the light reflection.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integration Herriott optical reflection pond, solved the problem that the traditional Herriott optical reflection pond structural stability of existence among the prior art is poor, the assembly of being not convenient for.
The technical scheme adopted by the utility model is that the integrated Herriott optical reflecting pool comprises a left concave reflecting mirror and a right concave reflecting mirror which are arranged in parallel, the left concave reflecting mirror and the right concave reflecting mirror are connected and fixed through a lens connecting column, the lens connecting column is vertically arranged with the left concave reflecting mirror and the right concave reflecting mirror and is of an integrated structure, a light pool outer shell is arranged outside the integrated structure formed by the lens connecting column, the left concave reflecting mirror and the right concave reflecting mirror, the light pool outer shell is of a hollow cylindrical structure, the end parts of the two ends of the light pool outer shell are level with the outer sides of the left concave reflecting mirror and the right concave reflecting mirror, an incident optical fiber hole and an emergent optical fiber hole are arranged on the left concave reflecting mirror, the incident optical fiber and the emergent optical fiber extend out through the incident optical fiber hole and the emergent optical fiber hole, and a light pool air outlet hole is also arranged on the left concave reflecting mirror, and the right concave reflector is also provided with a light pool air inlet.
The utility model is also characterized in that,
the lens spliced pole includes the spliced pole monomer, and the both ends of spliced pole monomer are put perpendicularly with the central point of left concave surface speculum, right concave surface speculum, and the free both ends of spliced pole are provided with annular solid fixed ring, and the outer edge of left concave surface speculum, right concave surface speculum is embedded in the fixed ring, spliced pole monomer, solid fixed ring and left concave surface speculum, right concave surface speculum one-tenth integral structure.
The center positions of the two ends of the connecting column monomer are provided with processing holes from outside to inside along the axial direction of the connecting column monomer, and the two processing holes are symmetrically arranged.
The center of the connecting column monomer is taken as a symmetrical center, and the length of the processing hole on each side accounts for 61.8 percent of the connecting column monomer on the side.
The width of the processing hole is 61.8% of the width of the connecting column monomer.
The beneficial effects of the utility model are that, when the external environment vibrates, the two concave surface reflecting mirrors are taken as a whole, and the generated light path can not fluctuate; the coefficient of thermal expansion of the integrated Herriott optical reflecting cell is less when the temperature is increased than that of the Herriott optical reflecting cell of the prior art. As an integrated whole, the device has the advantages of easy installation, easy adjustment and the like.
Drawings
FIG. 1 is a schematic diagram of a conventional independent dual reflector Herriott optical cell;
fig. 2 is a schematic diagram of the structure of the integrated reflector herriott optical cell of the present invention.
In the figure, 1-1 part of a lens connecting column, 1-1-1 part of a connecting column monomer, 1-1-2 parts of a fixing ring, 1-1-3 parts of a processing hole, 1-2 parts of a left concave reflector, 1-3 parts of a right concave reflector, 2-1 part of an incident optical fiber, 2-2 parts of an emergent optical fiber, 3-1 part of an air inlet hole of an optical cell, 3-2 parts of an air outlet hole of the optical cell and 4 parts of an outer shell of the optical cell.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to an integrated Herriott optical reflecting pool, the structure is shown in figure 2, comprising a left concave reflecting mirror 1-2 and a right concave reflecting mirror 1-3 which are arranged in parallel, the left concave reflecting mirror 1-2 and the right concave reflecting mirror 1-3 are connected and fixed through a lens connecting column 1-1, the left concave reflecting mirror 1-2 and the right concave reflecting mirror 1-3 are vertically arranged and are in an integrated structure, the outside of the integrated structure formed by the lens connecting column 1-1, the left concave reflecting mirror 1-2 and the right concave reflecting mirror 1-3 is provided with a light pool outer shell 4, the light pool outer shell 4 is in a hollow cylindrical structure, the end parts at both ends of the light pool outer shell 4 are level with the outer side of the left concave reflecting mirror 1-2 and the right concave reflecting mirror 1-3, the left concave reflector 1-2 is provided with an incident optical fiber hole and an emergent optical fiber hole, the incident optical fiber 2-1 and the emergent optical fiber 2-2 extend out through the incident optical fiber hole and the emergent optical fiber hole, the left concave reflector 1-2 is also provided with an optical cell air outlet hole 3-2, and the right concave reflector 1-3 is also provided with an optical cell air inlet hole 3-1.
The lens connecting column 1-1 comprises a connecting column monomer 1-1-1, two ends of the connecting column monomer 1-1-1 are perpendicular to the center positions of a left concave reflector 1-2 and a right concave reflector 1-3, two ends of the connecting column monomer 1-1-1 are provided with annular fixing rings 1-1-2, the outer edges of the left concave reflector 1-2 and the right concave reflector 1-3 are embedded in the fixing rings 1-1-2, and the connecting column monomer 1-1-1, the fixing rings 1-1-2, the left concave reflector 1-2 and the right concave reflector 1-3 form an integrated structure.
The center positions of two ends of the connecting column monomer 1-1-1 are provided with processing holes 1-1-3 along the axial direction of the connecting column monomer 1-1-1 from outside to inside, and the two processing holes 1-1-3 are symmetrically arranged.
The center of the connecting column monomer 1-1-1 is taken as a symmetrical center, and the length of the processing hole 1-1-3 at each side accounts for 61.8 percent of the length of the connecting column monomer 1-1-1 at the side.
The width of the processing hole 1-1-3 is 61.8% of the width of the connecting column monomer 1-1-1.
The utility model provides a spliced pole monomer 1-1-1, solid fixed ring 1-1-2 and left concave surface speculum 1-2, right concave surface speculum 1-3 become the integral structure, wherein, spliced pole monomer 1-1-1, solid fixed ring 1-1-2's material is the same with left concave surface speculum 1-2, right concave surface speculum 1-3 material. The whole integrated structure is formed by processing a complete cylindrical lens through a precision grinding machine.
The optical cell of the utility model does not adopt two independent symmetrical concave reflectors, but uses two concave reflectors as a whole, and connects the lens connecting column 1-1 at the center of the surface to form a symmetrical integrated structure, as shown in fig. 2. The utility model discloses this kind of utility model integral structure has strengthened the stability of optical cell for light energy makes a round trip to reflect between two concave surface reflection mirrors according to the route of design. The optical absorption cell monitors the gas concentration on line based on the principle of a spectral absorption method, and reverses the gas concentration by detecting the change of transmitted light intensity. When the gas concentration is detected by using a spectrum method, a long enough optical path is required, light is repeatedly turned back in the cell by using a light reflection technology, and meanwhile, in order to ensure the loss of energy as little as possible, a spherical reflector with a convergence function is used as a reflecting element.
Claims (5)
1. An integrated Herriott optical reflecting pool is characterized by comprising a left concave reflecting mirror (1-2) and a right concave reflecting mirror (1-3) which are arranged in parallel, wherein the left concave reflecting mirror (1-2) and the right concave reflecting mirror (1-3) are connected and fixed through a lens connecting column (1-1), the left concave reflecting mirror (1-2) and the right concave reflecting mirror (1-3) are vertically arranged and are in an integrated structure, an optical pool outer shell (4) is arranged outside the integrated structure formed by the lens connecting column (1-1), the left concave reflecting mirror (1-2) and the right concave reflecting mirror (1-3), the optical pool outer shell (4) is of a hollow cylindrical structure, and the end parts of the two ends of the optical pool outer shell (4) are connected with the left concave reflecting mirror (1-2), One side of the right concave reflector (1-3) positioned at the outer side is level, the left concave reflector (1-2) is provided with an incident optical fiber hole and an emergent optical fiber hole, the incident optical fiber (2-1) and the emergent optical fiber (2-2) extend out through the incident optical fiber hole and the emergent optical fiber hole, the left concave reflector (1-2) is also provided with a light pool air outlet hole (3-2), and the right concave reflector (1-3) is also provided with a light pool air inlet hole (3-1).
2. The integrated Herriott optical reflecting pool according to claim 1, wherein the lens connecting column (1-1) comprises a connecting column monomer (1-1-1), two ends of the connecting column monomer (1-1-1) are perpendicular to the central positions of the left concave reflector (1-2) and the right concave reflector (1-3), two ends of the connecting column monomer (1-1-1) are provided with annular fixing rings (1-1-2), the outer edges of the left concave reflector (1-2) and the right concave reflector (1-3) are embedded in the fixing rings (1-1-2), and the connecting column monomer (1-1-1), the fixing rings (1-1-2) and the left concave reflector (1-2), The right concave reflector (1-3) is of an integrated structure.
3. The integrated Herriott optical reflecting pool according to claim 2, wherein machining holes (1-1-3) are formed in the center positions of the two ends of the connecting column monomer (1-1-1) from outside to inside along the axial direction of the connecting column monomer (1-1-1), and the two machining holes (1-1-3) are symmetrically arranged.
4. An integrated herriott optical reflecting cell according to claim 3, characterized in that the length of the processing hole (1-1-3) at each side accounts for 61.8% of the side connecting column monomer (1-1-1) by taking the center of the connecting column monomer (1-1-1) as a symmetrical center.
5. An integrated herriott optical reflecting cell according to claim 3, characterized in that the width of the machining hole (1-1-3) is 61.8% of the width of the connecting column monomer (1-1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120771177.7U CN214749726U (en) | 2021-04-15 | 2021-04-15 | Integrated Herriott optical reflecting pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120771177.7U CN214749726U (en) | 2021-04-15 | 2021-04-15 | Integrated Herriott optical reflecting pool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214749726U true CN214749726U (en) | 2021-11-16 |
Family
ID=78603259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120771177.7U Active CN214749726U (en) | 2021-04-15 | 2021-04-15 | Integrated Herriott optical reflecting pool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214749726U (en) |
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2021
- 2021-04-15 CN CN202120771177.7U patent/CN214749726U/en active Active
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