CN209387501U - A kind of adjustable gas-detecting device of optical path - Google Patents
A kind of adjustable gas-detecting device of optical path Download PDFInfo
- Publication number
- CN209387501U CN209387501U CN201920016698.4U CN201920016698U CN209387501U CN 209387501 U CN209387501 U CN 209387501U CN 201920016698 U CN201920016698 U CN 201920016698U CN 209387501 U CN209387501 U CN 209387501U
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- China
- Prior art keywords
- microscope group
- light pipe
- optical path
- high reflection
- chamber
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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.)
- Withdrawn - After Issue
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- 230000003287 optical effect Effects 0.000 title claims abstract description 42
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000004992 fission Effects 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 4
- 238000012549 training Methods 0.000 abstract description 4
- 210000004907 gland Anatomy 0.000 description 12
- 238000007789 sealing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000180 cavity ring-down spectroscopy Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses a kind of adjustable gas-detecting devices of optical path, it includes light pipe, fission activity grafting is equipped with microscope group module on the gas chamber mouth at light pipe both ends, two gas circuit being connected to gas chamber adapter tubes are equipped on the side wall of light pipe, microscope group module includes microscope group connector, high reflection eyeglass, observation window lens and pressure ring.The utility model has the advantage of microscope group module is screwed on the gas chamber mouth at light pipe both ends, when needing to rotate high reflection eyeglass makes optical path change, does not need to dismantle observation window lens, directly rotation microscope group module, easy to operate, regulated efficiency is high；It is connected by extension spring with micrometer adjusting screw between light pipe and adjusting seat board, the position of optical path is limited in a vertical and horizontal direction, when adjusting optical path direction, the position for adjusting optical path in a vertical and horizontal direction is not needed, reduce regulating step, relatively low to the level professional technology requirement of operator, staff training input cost is small.
Description
Technical field:
The utility model relates to gas analysis technology fields, and in particular to a kind of adjustable gas-detecting device of optical path.
Background technique:
When using the component amount of optical cavity ring-down principle measurement minimum gas, the most common measuring device is as shown in Figure 1, light
Pipe 1 and adjusting seat board 15 are independently fixed on bracket, and gas is entered in light pipe 1 by gas circuit adapter tube 3, and laser is in light pipe 1
It is round-trip between the high reflection eyeglass 5 at both ends, cavity ring-down spectroscopy is measured by detector 20.The seperated activity of high reflection eyeglass 5 is inserted
It connects in the high reflection mirror piece chamber 4.5 at 1 both ends of light pipe, pressure ring 7 is bolted in the accent of high reflection mirror piece chamber 4.5, pressure ring 7 will
High reflection eyeglass 5 is limited to inside high reflection mirror piece chamber 4.5, gland 21 has been bolted at the both ends of light pipe 1, in gland
It is fixed with observation window lens 6 on 21, gasket seal 22 is equipped between 1 end of light pipe and gland 21, in 1 end of light pipe and gland
21 ends are equipped with sealing blade, and sealing blade is pressed on gasket seal 22.
Existing measuring device has the following problems in use: 1, making optical path by rotating high reflection eyeglass 5
When variation, need to remove gland 21, gasket seal 22 and pressure ring 7, after the completion of the position adjustment of high reflection eyeglass 5 again by pressure ring 7,
Gasket seal 22 and gland 21 are installed, and need to dismantle gland 21, close again if discovery optical path is not adjusted to optimum position
Gasket 22 and pressure ring 7 are adjusted high reflection eyeglass 5, and adjustment process is cumbersome, and regulated efficiency is low；2, light pipe 1 and adjustment seat
Plate 15 is independently fixed on bracket, when adjusting optical path, not only needs to adjust the position change optical path of high reflection eyeglass 5
Corner will also adjust the position of optical path by adjusting seat board 15 in a vertical and horizontal direction, and adjustment process is cumbersome, and to behaviour
The level professional technology requirement for making personnel is relatively high, and staff training input cost is big；3, observation window lens 6 and 21 welding of gland be
One, cost are 800 yuan or so, higher cost, if the damage of observation window lens 6 needs integral replacing gland 21, the cost of overhaul
It is high；4, it is equipped with sealing blade in 1 end of light pipe and 21 end of gland, sealing blade is pressed on gasket seal 22, realizes to gas
The sealing of room, gasket seal 22 can be needed by sealing blade crushing, after adjusting high reflection eyeglass 5, when gland 21 is reinstalled
The gasket seal 22 more to renew is to guarantee the leakproofness of gas chamber, and gasket seal 22 can not reuse, and input cost is big.
Utility model content:
It is high that the purpose of this utility model is to provide a kind of regulated efficiencies, personnel's input cost and the low optical path of equipment cost
Adjustable measuring chamber.
The utility model is implemented by following technical solution: a kind of adjustable gas-detecting device of optical path comprising light pipe,
On the gas chamber mouth at the light pipe both ends fission activity grafting be equipped with microscope group module, on the side wall of the light pipe be equipped with two with
The gas circuit adapter tube of gas chamber connection,
The microscope group module includes microscope group connector, high reflection eyeglass, observation window lens and pressure ring, and the one of the microscope group connector
It holds sliding plug in the inside of the gas chamber, is equipped on the outer wall for the microscope group connector for being slidably disposed within the inside of the gas chamber
Microscope group connector O-ring；
It is equipped with the shaft shoulder that is spirally connected on the middle part outer wall of the microscope group connector, offers on the gas chamber mouth and is spirally connected with described
The corresponding gas chamber mouth inner hole step of the shaft shoulder is equipped on the outer wall of the shaft shoulder that is spirally connected and the inner wall of the gas chamber mouth inner hole step
Corresponding screw thread, the microscope group connector are screwed onto the inside of the gas chamber by the shaft shoulder that is spirally connected；
It is equipped on the other end outer wall of the microscope group connector and adjusts the shaft shoulder, on the side wall for adjusting the shaft shoulder circumferentially
It is uniformly distributed to be equipped with and adjusts blind hole, shaft shoulder elastomeric pad is equipped between the adjusting shaft shoulder and the end face of the adjacent light pipe；
From one end of the microscope group connector to the other end in the inside of the microscope group connector along the axial direction of the microscope group connector
It is successively arranged high reflection mirror piece chamber, optical path chamber and the observation window lens chamber of connection, the accent of the high reflection mirror piece chamber and described
The accent of observation window lens chamber is respectively placed on two end faces of the microscope group connector；It is set in the inside of the high reflection mirror piece chamber
There is high reflection eyeglass, high anti-O-ring is equipped between the inner wall of the high reflection mirror piece chamber and the side wall of the high reflection eyeglass；
High least gasket is equipped between the inner wall of the high reflection mirror piece chamber and the side mirror surface of the adjacent high reflection eyeglass,
It is equipped between the other side mirror surface of the high reflection eyeglass and the inner wall of the adjacent gas chamber and rolls gasket；In the observation
The observation window lens are equipped in window lens cavities, in inner wall and the adjacent observation window lens of the observation window lens chamber
Observation O-ring is equipped between the mirror surface of side；The pressure ring is bolted in the accent of the observation window lens chamber, the pressure ring is along axis
To optical path through-hole is equipped with, dust-proof O-ring is equipped between the pressure ring and the other side mirror surface of the adjacent observation window lens；
One end of the light pipe is connect with seat board is adjusted.
Further, between one end end face of the light pipe and the end face of the adjusting seat board adjacent thereto circumferentially etc.
Away from setting, there are three extension springs；Circumferentially equidistantly being spirally connected on the adjusting seat board, there are three micrometer adjusting screws, in the light pipe
End face is equipped with limit blind hole corresponding with the top of the micrometer adjusting screw, and the seperated activity in the top of each micrometer adjusting screw is inserted
It connects in the corresponding limit blind hole.
Further, gasket is equipped in the limit blind hole, the top of the micrometer adjusting screw is connected on the gasket.
The advantages of the utility model: 1, microscope group module is screwed on the gas chamber mouth at light pipe both ends, when needing to rotate high reflection
It when eyeglass makes optical path change, does not need to dismantle observation window lens, directly rotation microscope group module, operation letter
Single, regulated efficiency is high；2, it is connected by extension spring with micrometer adjusting screw between light pipe and adjusting seat board, vertically and horizontally
The position of optical path is limited on direction, when adjusting optical path direction, is not needed in a vertical and horizontal direction by adjusting seat board
The position for adjusting optical path, reduces regulating step, improves regulated efficiency, and to the requirement of the level professional technology of operator
Relatively low, staff training input cost is small；3, it is intracavitary by pressure ring to be fixed on observation window lens for observation window lens, when observation window mirror
After piece damage, directly replacement observation window lens, cost are 100 yuan or so, and the cost of overhaul is low；4, the both ends of light pipe pass through mirror
Group connector O-ring, observation O-ring and dust-proof O-ring are sealed, and preventing gas from entering gas chamber from gas chamber leakage or dust influences
Measurement accuracy, O-ring are hardly damaged in use, long service life, and input cost is low.
Detailed description of the invention:
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of existing measuring device；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the cross-sectional view of the utility model；
Fig. 4 is the portion the A partial enlarged view of Fig. 2；
Fig. 5 is the portion the B partial enlarged view of Fig. 3；
Fig. 6 is the structural schematic diagram of microscope group connector.
Light pipe 1, microscope group module 2, gas chamber 1.1, gas circuit adapter tube 3, microscope group connector 4, high reflection eyeglass 5, observation window lens 6,
Pressure ring 7, microscope group connector O-ring 8, be spirally connected the shaft shoulder 4.1, adjusts the shaft shoulder 4.2, adjusts blind hole 9, observation window lens chamber 4.3, optical path chamber
4.4, high reflection mirror piece chamber 4.5, high anti-O-ring 10, high least gasket 11 rolls gasket 12, observes O-ring 13, and optical path is logical
Hole 7.1, dust-proof O-ring 14 adjust seat board 15, extension spring 16, and micrometer adjusting screw 17 limits blind hole 18, gasket 19, detector
20, gland 21, gasket seal 22, shaft shoulder elastomeric pad 23.
Specific embodiment:
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in figures 2-6, the adjustable gas-detecting device of a kind of optical path comprising light pipe 1, the gas chamber at 1 both ends of light pipe
Fission activity grafting is equipped with microscope group module 2 on mouth, and two gas circuits being connected to gas chamber 1.1 are equipped on the side wall of light pipe 1 and are connect
Pipe 3, for being passed through gas to be measured into gas chamber 1.1.
Microscope group module 2 includes microscope group connector 4, high reflection eyeglass 5, observation window lens 6 and pressure ring 7.
One end sliding plug of microscope group connector 4 is in gas chamber 1.1, in the outer of the microscope group connector 4 being slidably disposed in gas chamber 1.1
Wall is equipped with microscope group connector O-ring 8, and microscope group connector O-ring 8 is connected between 4 outer wall of 1.1 inner wall of gas chamber and microscope group connector, prevents
Only the gas in gas chamber 1.1 is leaked by the gap between 4 outer wall of 1.1 inner wall of gas chamber and microscope group connector.
The shaft shoulder 4.1 that is spirally connected is equipped on the middle part outer wall of microscope group connector 4, offer and be spirally connected on gas chamber mouth the shaft shoulder 4.1
Corresponding gas chamber mouth inner hole step is equipped with corresponding screw thread on the inner wall of be spirally connected 4.1 outer wall of the shaft shoulder and gas chamber mouth inner hole step,
The screw thread on outer wall that microscope group connector 4 passes through the shaft shoulder 4.1 that is spirally connected is screwed onto gas chamber 1.1；Make when needing to rotate high reflection eyeglass 5
It when optical path changes, does not need to dismantle observation window lens 6, directly rotation microscope group module 2, it is easy to operate, it adjusts
It is whole high-efficient.
It is equipped on the other end outer wall of microscope group connector 4 and adjusts the shaft shoulder 4.2, on the side wall for adjusting the shaft shoulder 4.2 circumferentially
It is uniformly distributed to be equipped with and adjusts blind hole 9, when needing to rotate microscope group connector 4, adjusting rod is inserted into and is adjusted in blind hole 9, adjusting is moved
Bar can rotate microscope group connector 4；It adjusts and is equipped with shaft shoulder elastomeric pad 23, the shaft shoulder between the shaft shoulder 4.2 and the end face of adjacent light pipe 1
Elastomeric pad 23 applies the power far from 1 end face of light pipe to the shaft shoulder 4.2 is adjusted, thus to be spirally connected the shaft shoulder 4.1 and gas chamber 1.1 it
Between threaded connection provide a pretightning force, prevent the threaded connection being spirally connected between the shaft shoulder 4.1 and gas chamber 1.1 from loosening.
Company is successively arranged along the axial direction of microscope group connector 4 from one end of microscope group connector 4 to the other end in the inside of microscope group connector 4
Logical high reflection mirror piece chamber 4.5, optical path chamber 4.4 and observation window lens chamber 4.3, the accent and observation window of high reflection mirror piece chamber 4.5
The accent of lens cavities 4.3 is respectively placed on two end faces of microscope group connector 4；High reflection is equipped with inside high reflection mirror piece chamber 4.5
Eyeglass 5 is equipped with high anti-O-ring 10, high anti-O-ring between the inner wall of high reflection mirror piece chamber 4.5 and the side wall of high reflection eyeglass 5
10 are fixed on high reflection eyeglass 5 inside high reflection mirror piece chamber 4.5, prevent high reflection eyeglass 5 from taking off out of high reflection mirror piece chamber 4.5
It falls；High least gasket is equipped between the inner wall of high reflection mirror piece chamber 4.5 and the side mirror surface of adjacent high reflection eyeglass 5
11, high least gasket 11 squeezes high reflection eyeglass 5, when rotating microscope group connector 4, makes the high reflection at 1 both ends of light pipe
The distance between eyeglass 5 keeps certain, sets between the other side mirror surface of high reflection eyeglass 5 and the inner wall of adjacent gas chamber 1.1
Have and roll gasket 12, prevent the other side mirror surface of high reflection eyeglass 5 and the inner wall of adjacent gas chamber 1.1 from directly contacting, causes to turn
When index glass group connector 4, the other side mirror surface of high reflection eyeglass 5, and the other side mirror surface and scroll pad of high reflection eyeglass 5 are scratched
It is fitted closely between the ball of piece 12, there are small differences between the ball size due to rolling gasket 12, connect in rotation microscope group
When first 4, the position of high reflection eyeglass 5 will be made to shift to change optical path direction；It is set in observation window lens chamber 4.3
There are observation window lens 6, is equipped with and sees between the inner wall of observation window lens chamber 4.3 and the side mirror surface of adjacent observation window lens 6
O-ring 13 is examined, observation O-ring 13 prevents the gas in gas chamber 1.1 from passing through between 6 outer wall of 1.1 inner wall of gas chamber and observation window lens
Gap leak；Pressure ring 7 is bolted in the accent of observation window lens chamber 4.3, observation window lens 6 are limited to observation window by pressure ring 7
It in lens cavities 4.3, prevents observation window lens 6 from falling off from observation window lens chamber 4.3, after observation window lens 6 damage, directly replaces
Observation window lens 6, cost are 100 yuan or so, and the cost of overhaul is low；Pressure ring 7 guarantees light along optical path through-hole 7.1 is axially arranged with
Road can pass through pressure ring 7 and inject in gas chamber 1.1, set between pressure ring 7 and the other side mirror surface of adjacent observation window lens 6
There is dust-proof O-ring 14, prevents dust from entering gas chamber 1.1 by the gap between 6 outer wall of 1.1 inner wall of gas chamber and observation window lens.
The both ends of light pipe 1 are sealed by microscope group connector O-ring 8, observation O-ring 13 and dust-proof O-ring 14, prevent gas from gas chamber
1.1 leakages or dust, which enter gas chamber 1.1, influences measurement accuracy, and O-ring is hardly damaged in use, long service life, throws
Enter at low cost.
It is stretched there are three circumferentially equidistantly being set between one end end face of light pipe 1 and the end face of adjusting seat board 15 adjacent thereto
One end of spring 16, extension spring 16 is fixedly connected with the end face of light pipe 1, the other end and the adjusting seat board 15 of extension spring 16
End face is fixedly connected；Circumferentially equidistantly being spirally connected on adjusting seat board 15, there are three micrometer adjusting screws 17, are equipped on the end face of light pipe 1
Limit blind hole 18 corresponding with the top of micrometer adjusting screw 17 is equipped with gasket 19 in limit blind hole 18, each micrometer adjusting screw 17
Top fission activity is plugged in corresponding limit blind hole 18, and is connected on gasket 19, and the top fission of micrometer adjusting screw 17 is living
Dynamic be plugged in corresponding limit blind hole 18 can prevent adjusting seat board 15 to be subjected to displacement along plane where the end face of light pipe 1, micro-
Adjusting the top of screw 17 to be connected on gasket 19 can be avoided limit 18 inner wall stress of blind hole excessive deformation occurs.Light pipe 1 and tune
It saves and is connected between seat board 15 by extension spring 16 and micrometer adjusting screw 17, limit optical path in a vertical and horizontal direction
Position does not need the position for adjusting optical path by adjusting seat board 15 in a vertical and horizontal direction, subtracts when adjusting optical path direction
Lack regulating step, improved regulated efficiency, and requires the level professional technology of operator relatively low, staff training throwing
It is small to enter cost.
Operation instruction:
Light pipe 1 is placed on the bracket for being fixed with detector 20, when adjusting optical path direction, rotates three fine tuning spiral shells first
It follows closely 17 pairs of light path angles to be adjusted, after optical path determines, needs to adjust when the higher optical path of more stable, signal quality to obtain
The corner of high reflection mirror is saved, will be adjusted in the adjusting blind hole 9 on bar insertion microscope group connector 4 at this time, rotated microscope group module 2, work as spy
It is larger and when stablizing to survey voltage value that device 20 returns, it was demonstrated that collect optimal signal, the microscope group that stops operating module 2.Optical path tune
After whole, gas circuit pipeline is connected to gas circuit adapter tube 3, optical path is round-trip between the high reflection eyeglass 5 at 1.1 both ends of gas chamber, by
100% can not be reached in 5 reflectivity of high reflection eyeglass, every secondary reflection all can some light from the high reflection at 20 end of detector
Eyeglass 5 is escaped from, so that detector 20 measures cavity ring-down spectroscopy, is analyzed the gas componant in gas chamber 1.1.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (3)
1. a kind of adjustable gas-detecting device of optical path comprising light pipe, it is seperated living on the gas chamber mouth at the light pipe both ends
Dynamic grafting is equipped with microscope group module, and two gas circuit being connected to gas chamber adapter tubes are equipped on the side wall of the light pipe, which is characterized in that
The microscope group module includes microscope group connector, high reflection eyeglass, observation window lens and pressure ring,
One end sliding plug of the microscope group connector is in the inside of the gas chamber, described in the inside for being slidably disposed within the gas chamber
The outer wall of microscope group connector is equipped with microscope group connector O-ring；
It is equipped with the shaft shoulder that is spirally connected on the middle part outer wall of the microscope group connector, is offered on the gas chamber mouth and the shaft shoulder that is spirally connected
Corresponding gas chamber mouth inner hole step is equipped on the outer wall of the shaft shoulder that is spirally connected and the inner wall of the gas chamber mouth inner hole step and corresponds to
Screw thread, the microscope group connector is screwed onto the inside of the gas chamber by the shaft shoulder that is spirally connected；
It is equipped on the other end outer wall of the microscope group connector and adjusts the shaft shoulder, on the side wall for adjusting the shaft shoulder circumferentially uniformly
It is distributed with adjusting blind hole, shaft shoulder elastomeric pad is equipped between the adjusting shaft shoulder and the end face of the adjacent light pipe；
From one end of the microscope group connector to the other end the inside of the microscope group connector along the microscope group connector axial direction successively
High reflection mirror piece chamber, optical path chamber and observation window lens chamber equipped with connection, the accent of the high reflection mirror piece chamber and the observation
The accent of window lens cavities is respectively placed on two end faces of the microscope group connector；Height is equipped in the inside of the high reflection mirror piece chamber
Reflecting optics are equipped with high anti-O-ring between the inner wall of the high reflection mirror piece chamber and the side wall of the high reflection eyeglass；Institute
It states and is equipped with high least gasket between the inner wall of high reflection mirror piece chamber and the side mirror surface of the adjacent high reflection eyeglass, in institute
It states to be equipped between the other side mirror surface of high reflection eyeglass and the inner wall of the adjacent gas chamber and rolls gasket；In the observation window mirror
Piece is intracavitary to be equipped with the observation window lens, in the inner wall of the observation window lens chamber and the side of the adjacent observation window lens
Observation O-ring is equipped between mirror surface；The pressure ring is bolted in the accent of the observation window lens chamber, the pressure ring is set along axial direction
There is optical path through-hole, dust-proof O-ring is equipped between the pressure ring and the other side mirror surface of the adjacent observation window lens；
One end of the light pipe is connect with seat board is adjusted.
2. the adjustable gas-detecting device of a kind of optical path according to claim 1, which is characterized in that one end of the light pipe
Extension spring there are three circumferentially equidistantly being set between end face and the end face of the adjusting seat board adjacent thereto；In the adjustment seat
Circumferentially equidistantly being spirally connected on plate, there are three micrometer adjusting screws, and the top pair with the micrometer adjusting screw is equipped on the end face of the light pipe
The limit blind hole answered, the top fission activity of each micrometer adjusting screw are plugged in the corresponding limit blind hole.
3. the adjustable gas-detecting device of a kind of optical path according to claim 2, which is characterized in that in the limit blind hole
Interior to be equipped with gasket, the top of the micrometer adjusting screw is connected on the gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920016698.4U CN209387501U (en) | 2019-01-04 | 2019-01-04 | A kind of adjustable gas-detecting device of optical path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920016698.4U CN209387501U (en) | 2019-01-04 | 2019-01-04 | A kind of adjustable gas-detecting device of optical path |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209387501U true CN209387501U (en) | 2019-09-13 |
Family
ID=67863651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920016698.4U Withdrawn - After Issue CN209387501U (en) | 2019-01-04 | 2019-01-04 | A kind of adjustable gas-detecting device of optical path |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209387501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346292A (en) * | 2019-01-04 | 2019-10-18 | 内蒙古光能科技有限公司 | A kind of adjustable gas-detecting device of optical path |
| CN114812443A (en) * | 2022-04-24 | 2022-07-29 | 合肥工业大学 | Straightness and roll angle error simultaneous measurement system |
-
2019
- 2019-01-04 CN CN201920016698.4U patent/CN209387501U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346292A (en) * | 2019-01-04 | 2019-10-18 | 内蒙古光能科技有限公司 | A kind of adjustable gas-detecting device of optical path |
| CN110346292B (en) * | 2019-01-04 | 2024-06-25 | 内蒙古光能科技有限公司 | Light path adjustable gas detection device |
| CN114812443A (en) * | 2022-04-24 | 2022-07-29 | 合肥工业大学 | Straightness and roll angle error simultaneous measurement system |
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| AV01 | Patent right actively abandoned | ||
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Granted publication date: 20190913 Effective date of abandoning: 20240625 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190913 Effective date of abandoning: 20240625 |