CN106596407A - Optical inspection cell with adjustable size and system thereof - Google Patents
Optical inspection cell with adjustable size and system thereof Download PDFInfo
- Publication number
- CN106596407A CN106596407A CN201611271635.0A CN201611271635A CN106596407A CN 106596407 A CN106596407 A CN 106596407A CN 201611271635 A CN201611271635 A CN 201611271635A CN 106596407 A CN106596407 A CN 106596407A
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- optical detection
- inner tube
- light
- detection tank
- outer tube
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- 230000003287 optical effect Effects 0.000 title claims abstract description 77
- 238000007689 inspection Methods 0.000 title abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 91
- 230000008859 change Effects 0.000 claims description 17
- 239000002699 waste material Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000000945 filler Substances 0.000 abstract 2
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004451 qualitative analysis Methods 0.000 description 2
- 238000004445 quantitative analysis Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Optical Measuring Cells (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses an optical inspection cell with an adjustable size and a system thereof, the optical inspection cell includes an adjusting device, a driving device and a base; the adjusting device includes an inner tube, an outer tube, a sealing ring, a sealing filler, a fastening nut, an inlet tube, an outlet tube, a focusing lens and a collimating mirror; wherein the outer tube is provided with a thread, the sealing ring and the sealing filler are arranged between the inner tube and the outer tube, the fastening nut sleeves externally the inner tube, and is matched with the thread, the inlet tube is located on the inner tube, the outlet tube is located on the outlet tube, the focusing lens is arranged on the outer tube, the collimating mirror is arranged on the inner tube, and the collimating mirror is connected with the driving device; the driving device comprises a receiving cavity, a driving part, a stepping motor, a movable support and a fixed bracket, the receiving cavity and the driving part are integrally connected, the driving part is connected with the stepping motor, the stepping motor is fixed on the movable support, the fixed bracket sleeves the outer tube, the movable support and the fixed bracket are fixed on the base, the base is provided with a guide rail, and both sides of a groove of the guide rail are provided with scale marks. The size of optical inspection cell is adjustable, and the sealing property is good.
Description
Technical field
The present invention relates to photochemistry detection technique field, more particularly to a kind of optical detection of adjustable dimension
Pond and its system.
Background technology
Optical detection means are widely used in material detection, structure because having the advantages that quick, convenient, high sensitivity
In the qualitative and quantitative analysis such as analysis, Concentration Testing.
For qualitative analysis, more using length scanning, because functional group, can to a certain monochromatic characteristic absorption in material
To obtain the feature spectrogram of the material.With standard spectrogram contrast, the analysis that can be shaped to material.
And for quantitative analysis, typically using AAS, according to langbobier law, certain determinand in detected solution
Characteristic group there is proportional relation to a certain monochromatic absorbability and its concentration, by the standard for preparing the determinand
Its response factor is readily obtained, the amount of the wherein determinand is calculated according to the absorbance of the determinand in detected solution.
And the absorbance of spectrophotometry to be directly proportional by the path of light.Generally, the size of optical detection tank is all
Fixed, corresponding its optical path length is also maintained for constant.To ensure higher sensitivity, the sample higher for concentration is more
Obtain the sample of low concentration using the method for dilution, and the sample that concentration is told somebody what one's real intentions are, then need using bigger light path
Optical detection tank, Renewal process is more bothered, and easily brings cross pollution, causes cost to increase, and sample is difficult to be reclaimed.
Therefore, the optical detection tank for how providing adjustable dimension is the problem of those skilled in the art's urgent need to resolve.
The content of the invention
In view of this, the invention provides the optical detection tank and its system of a kind of adjustable dimension, can not only basis
The light path size for changing optical detection tank is needed, and optical detection tank overall tightness is good.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of optical detection tank of adjustable dimension, including：The driving means that adjusting means is connected with the adjusting means
With the base of the fixation adjusting means；
Wherein, the adjusting means includes：The outer tube that inner tube is matched with said inner tube, is arranged at close on the outer tube
The screw thread of one end of said inner tube；The sealing ring being installed between said inner tube and outer tube and airtight and watertight padding, are enclosed within said inner tube
Clamp nut that is outside and matching with the screw thread on the outer tube；Inlet tube in said inner tube；Positioned at described
Outlet on outer tube；It is arranged on the outer tube and the one end away from said inner tube is provided with focus lamp；It is arranged in described
The Guan Shang and one end away from the outer tube is provided with collimating mirror；And the collimating mirror is by retainer plate and the driving means
It is connected；
The driving means include：It is fixedly connected with the collimating mirror and for laying the accommodating chamber of light source emitter；With
The drive division of the accommodating chamber integrally connected, and the stepper motor being connected with the drive division；Wherein, the stepper motor is consolidated
It is scheduled on mobile support；It is enclosed within the outer tube and the side away from said inner tube is provided with fixed support；The mobile support
It is both secured on base with the fixed support；
The guide rail groove matched with the mobile support is provided with the base, and the guide rail groove both sides are all provided with
It is equipped with graduation mark.
Optionally, also include：Control the control valve one of the inlet tube and the control valve two of the control outlet.
Optionally, the control valve one and the control valve two are identical or different, including：Hand-operated valve, pneumatic operated valve, magnetic valve
Or hydraulic valve.
Optionally, also include：The dismountable cleaning device being connected with the inlet tube.
A kind of optical detection cell system of adjustable dimension, including：Light source emitter, above-mentioned optical detection tank, successively
The spectrometer being connected with the optical detection tank and data processing equipment；
The light source emitter launches the light of detection, and the collimating mirror by the light of transmitting on the optical detection tank
Send to the optical detection tank, light is incident to the optical detection tank after the determinand in the optical detection tank absorbs
On the focus lamp, and described in focus lamp focus on after send to the spectrometer, the last the first of the spectrometer detection light
Degree, and send to the data processing equipment；
Change the size of the optical detection tank, and change value is input into the data processing equipment；Again will be described
The light of light source emitter transmitting is sent to the optical detection tank, treating in optical detection tank described in light Jing through the collimating mirror
Survey and the focus lamp is incident to after thing absorbs, and the focus lamp described in sends to the spectrometer, the spectrometer inspection after focusing on
Second intensity of light-metering, and send to the data processing equipment；
The data processing equipment is according to first intensity and second intensity and the change value are calculated
The concentration of determinand.
Optionally, the data processing equipment includes：Computer or panel computer.
Optionally, the data processing equipment is connected by USB data line with the spectrometer.
Optionally, also include：The temperature controller being connected with the light source emitter；The temperature controller control is described
The temperature of light source emitter.
Optionally, the light source emitter includes：Ultraviolet source transmitter or infrared light supply transmitter.
Optionally, also include：The suction pump being connected with the optical detection tank, and the waste being connected with the suction pump
Processing pond；Determinand after detection is discharged into the waste processing pond and carries out waste process by the suction pump.
Understand via above-mentioned technical scheme, compared with prior art, the present invention discloses the light of the adjustable dimension for providing
The position that detection cell changes inner tube by stepper motor is learned, after adjusting good position, then by clamp nut come fixed position, this
When the displacement that inner tube is moved can be determined according to the graduation mark on base, and then obtain the change value of light path such that it is able to root
According to the size for needing to change optical detection tank.Additionally, the present invention is double using sealing ring and airtight and watertight padding between the inner and outer pipe sections
Resealing, sealing is better.
Therefore, the optical detection tank of the adjustable dimension that the present invention is provided can not only as needed change optical detection tank
Size, and good airproof performance.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 accompanying drawings are a kind of structural representation of the optical detection tank of adjustable dimension provided in an embodiment of the present invention；
Fig. 2 accompanying drawings be adjustable dimension provided in an embodiment of the present invention optical detection tank in base schematic diagram；
Fig. 3 accompanying drawings are a kind of frame diagram of the optical detection tank of adjustable dimension provided in an embodiment of the present invention；
Fig. 4 accompanying drawings are a kind of frame diagram of the optical detection cell system of adjustable dimension provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the invention discloses the optical detection tank and its system of a kind of adjustable dimension, can not only be as needed
Change the light path size of optical detection tank, additionally it is possible to which the change value of light path, Er Qieguang are directly read according to the graduation mark on base
Learn detection cell overall tightness good.
Referring to accompanying drawing 1-3, a kind of structural representation of the optical detection tank of adjustable dimension that accompanying drawing 1 is provided for the present invention
Figure；The schematic diagram of the base that accompanying drawing 2 is provided for the present invention；A kind of optics inspection of adjustable dimension that accompanying drawing 3 is provided for the present invention
Survey the block schematic illustration in pond.
The embodiment of the present invention provides a kind of optical detection tank of adjustable dimension, including：Adjusting means 1 and adjusting means 1
Connected driving means 2 and the base 3 of secured adjusted device 1；
Wherein, adjusting means 1 includes：The outer tube 12 that inner tube 11 is matched with inner tube 11, is arranged and close inner tube on outer tube
The screw thread of one end；The sealing ring 14 being installed between inner tube 11 and outer tube 12 and airtight and watertight padding 15, be enclosed within outside inner tube 11 and with
The clamp nut 16 that screw thread 13 on outer tube 12 matches；Inlet tube 111 in inner tube 11；Outlet on outer tube 12
Pipe 121；It is arranged on outer tube 12 and the one end away from inner tube 11 is provided with focus lamp 122；Be arranged in inner tube 11 and away from
One end of outer tube 12 is provided with collimating mirror 112；And collimating mirror 112 is connected by retainer plate 17 with driving means 2；
Driving means 2 include：It is fixedly connected with collimating mirror 112 and for laying the accommodating chamber 21 of light source emitter；With appearance
Receive the drive division 22 of the integrally connected of chamber 21, and the stepper motor 23 being connected with drive division 22；Wherein, stepper motor 23 is fixed on
On mobile support 31；It is enclosed within outer tube 12 and the side away from inner tube 11 is provided with fixed support 32；Move support 31 and fix
Support 32 is both secured on base 3；
The guide rail groove 33 matched with mobile support 31 is provided with base 3, and the both sides of guide rail groove 33 are provided with
Graduation mark 34.
The present invention unclamps and tightens inner and outer tubes by clamp nut, when clamp nut is unscrewed, by stepping electricity
Machine changing the position of inner tube, after adjusting good position, then by clamp nut come fixed position, now can be according on base
Graduation mark and then obtains the change value of light path determining the displacement that inner tube is moved.Therefore, the adjustable dimension that the present invention is provided
Optical detection tank can as needed increased or decrease the light path of optical detection tank.In addition, the present invention is between the inner and outer pipe sections
Using sealing ring and airtight and watertight padding dual-seal, sealing is better.Additionally, the present invention using collimating mirror and focus lamp cause into
The light penetrated is more uniform, straight.
Wherein, in addition it is also necessary to illustrate, the optical detection tank of the adjustable dimension that the present invention is provided can either be applied
In the detection of liquid, the detection of gas is can also apply to.
In order to further optimize above-mentioned technical proposal, also include：Control the control valve 1 of inlet tube 111 and control out
The control valve 2 123 of mouth pipe 121.
The switch of inlet tube and outlet can be controlled by controlling valve, when inlet tube feed liquor or air inlet is not used or not
Using when outlet discharge opeing or exhaust, inlet tube can be closed by control valve one, by controlling valve two outlet is closed, in order to avoid
There are debris to enter optical detection tank.
In order to further optimize above-mentioned technical proposal, control valve 1 and control valve 2 123 are identical or different, including：Hand
Dynamic valve, pneumatic operated valve, magnetic valve or hydraulic valve.
In order to further optimize above-mentioned technical proposal, also include：The dismountable cleaning device being connected with inlet tube 111
114。
Optical detection tank can cleaned using front by cleaning device, it is ensured that optical detection tank is clean, does not have
The pollution of impurity.
Referring to accompanying drawing 4, the embodiment of the present invention additionally provides a kind of optical detection cell system of adjustable dimension, concrete bag
Include：Light source emitter 4, above-mentioned optical detection tank 5, the spectrometer 6 being connected with optical detection tank 5 successively and data processing equipment
7；
Light source emitter 4 launches the light of detection, and the collimating mirror 112 by the light of transmitting on optical detection tank sends
To optical detection tank 5, light is incident to the focus lamp on the optical detection tank after the determinand in optical detection tank 5 absorbs
122, and send to spectrometer 6, the first intensity of the detection light of spectrometer 6 after line focus mirror 122 is focused on, and send to data processing
Device 7；
Change the size of optical detection tank 5, and change value is input into data processing equipment 7；Again by light source emitter 4
The light of transmitting is sent to optical detection tank 5 through collimating mirror 112, and light is incident to Jing after the determinand in optical detection tank 5 absorbs
Focus lamp 122, and send to spectrometer 6, the second intensity of the detection light of spectrometer 6 after line focus mirror 122 is focused on, and send to number
According to processing meanss 7；
Data processing equipment 7 calculates the concentration of determinand according to the first intensity and the second intensity and change value.
The optical detection cell system of the adjustable dimension provided using the present invention, can as needed adjust the chi of optical cell
It is very little, so as to change optical cell light path size, realize the detection of variable concentrations material.
Wherein, in addition it is also necessary to illustrate, the optical detection cell system of the adjustable dimension that the present invention is provided can either
The detection of liquid is applied to, the detection of gas is can also apply to.
In order to further optimize above-mentioned technical proposal, data processing equipment 7 includes：Computer or panel computer.
In order to further optimize above-mentioned technical proposal, data processing equipment 7 is connected by USB data line with spectrometer 6.
The data that spectrometer is detected can be directly transferred to into data processing equipment by USB data line to be analyzed,
It is convenient, quick.
In order to further optimize above-mentioned technical proposal, also include：The temperature controller 41 being connected with light source emitter 4；Temperature
Degree controller 41 controls the temperature of light source emitter 4.
Stability contorting can be carried out to the temperature of the light launched of light source emitter by temperature controller, so as to ensure
After changing light path, the temperature of the light that flare transmitter is launched is as before change light path, it is to avoid produce when determinand is determined
Error.
In order to further optimize above-mentioned technical proposal, light source emitter 4 includes：Ultraviolet source transmitter or infrared light supply are sent out
Emitter.
In order to further optimize above-mentioned technical proposal, also include：The suction pump 51, Yi Jiyu being connected with optical detection tank 5
The connected waste processing pond 52 of suction pump 51；Determinand after detection is discharged into waste processing pond 52 and carries out waste by suction pump 51
Process.
The liquid for having detected or gas more efficiently can be emitted into by waste processing pond by suction pump, in waste
Waste in processing pond to discharging is processed, and can avoid the pollution to environment, more environmentally-friendly.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
For, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (10)
1. a kind of optical detection tank of adjustable dimension, it is characterised in that include：Adjusting means (1) and the adjusting means
(1) base (3) of connected driving means (2) and the fixation adjusting means (1)；
Wherein, the adjusting means (1) includes：The outer tube (12) that inner tube (11) is matched with said inner tube (11), is arranged at described
Near the screw thread (13) of one end of said inner tube (11) on outer tube (12)；It is installed between said inner tube (11) and outer tube (12)
Sealing ring (14) and airtight and watertight padding (15), be enclosed within said inner tube (11) it is outside and with the outer tube (12) on the screw thread
(13) clamp nut (16) for matching；Inlet tube (111) in said inner tube (11)；On the outer tube (12)
Outlet (121)；It is arranged on the outer tube (12) and the one end away from said inner tube (11) is provided with focus lamp (122)；If
It is placed in said inner tube (11) and the one end away from the outer tube (12) is provided with collimating mirror (112)；And the collimating mirror
(112) it is connected with the driving means (2) by retainer plate (17)；
The driving means (2) include：It is fixedly connected with the collimating mirror (112) and for laying the receiving of light source emitter
Chamber (21)；It is electric with the drive division (22) of the accommodating chamber (21) integrally connected, and the stepping being connected with the drive division (22)
Machine (23)；Wherein, the stepper motor (23) is fixed on mobile support (31)；It is enclosed within the outer tube (12) and away from institute
The side for stating inner tube (11) is provided with fixed support (32)；The mobile support (31) and the fixed support (32) are both secured to
On base (3)；
The guide rail groove (33) matched with the mobile support (31), and the guide rail groove are provided with the base (3)
(33) both sides are provided with graduation mark (34).
2. the optical detection tank of adjustable dimension according to claim 1, it is characterised in that also include：Enter described in control
The control valve one (113) of mouth pipe (111) and the control valve two (123) of the control outlet (121).
3. the optical detection tank of adjustable dimension according to claim 2, it is characterised in that the control valve one (113)
It is identical or different with the control valve two (123), including：Hand-operated valve, pneumatic operated valve, magnetic valve or hydraulic valve.
4. the optical detection tank of the adjustable dimension according to Claims 2 or 3, it is characterised in that also include：With it is described enter
The connected dismountable cleaning device (114) of mouth pipe (111).
5. the optical detection cell system of a kind of adjustable dimension, it is characterised in that include：Light source emitter (4), claim 1
At optical detection tank (5) described in～4 any one, the spectrometer (6) being connected with the optical detection tank (5) successively and data
Reason device (7)；
The light source emitter (4) launches the light of detection, and the collimating mirror by the light of transmitting on the optical detection tank
(112) send to the optical detection tank (5), light is incident to institute after the determinand in the optical detection tank (5) absorbs
The focus lamp (122) on optical detection tank is stated, and focus lamp (122) is sent to the spectrometer (6) after focusing on described in,
First intensity of spectrometer (6) detection light, and send to the data processing equipment (7)；
Change the size of the optical detection tank (5), and change value is input into the data processing equipment (7)；Again by institute
The light for stating light source emitter (4) transmitting is sent to the optical detection tank (5), light described in light Jing through the collimating mirror (112)
Learn and the focus lamp (122) is incident to after the determinand in detection cell (5) absorbs, and send out after focus lamp (122) is focused on described in
The spectrometer (6), the second intensity of spectrometer (6) detection light are delivered to, and is sent to the data processing equipment (7)；
The data processing equipment (7) is treated according to first intensity and second intensity and the change value are calculated
Survey the concentration of thing.
6. the optical detection cell system of adjustable dimension according to claim 5, it is characterised in that the data processing dress
Putting (7) includes：Computer or panel computer.
7. the optical detection cell system of adjustable dimension according to claim 5, it is characterised in that the data processing dress
Put (7) to be connected with the spectrometer (6) by USB data line.
8. the optical detection cell system of adjustable dimension according to claim 5, it is characterised in that also include：With it is described
The connected temperature controller (41) of light source emitter (4)；The temperature controller (41) controls the temperature of the light source emitter (4)
Degree.
9. the optical detection cell system of adjustable dimension according to claim 5, it is characterised in that the light source emitter
(4) include：Ultraviolet source transmitter or infrared light supply transmitter.
10. the optical detection cell system of adjustable dimension according to claim 5, it is characterised in that also include：With it is described
The connected suction pump (51) of optical detection tank (5), and the waste processing pond (52) being connected with the suction pump (51)；It is described to take out
Determinand after detection is discharged into the waste processing pond (52) and carries out waste process by sucking pump (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611271635.0A CN106596407A (en) | 2016-12-30 | 2016-12-30 | Optical inspection cell with adjustable size and system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611271635.0A CN106596407A (en) | 2016-12-30 | 2016-12-30 | Optical inspection cell with adjustable size and system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106596407A true CN106596407A (en) | 2017-04-26 |
Family
ID=58582364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611271635.0A Pending CN106596407A (en) | 2016-12-30 | 2016-12-30 | Optical inspection cell with adjustable size and system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106596407A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903611A (en) * | 2021-01-25 | 2021-06-04 | 中国海洋大学 | Multiband absorbance detection system and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1724567A1 (en) * | 2005-05-17 | 2006-11-22 | Nitrex Metal Inc | Apparatus and method for controlling atmospheres in heat treating of metals |
| CN102879898A (en) * | 2012-09-29 | 2013-01-16 | 太原科技大学 | Automatic tunable system with multiple optical paths |
| CN104165843A (en) * | 2013-05-20 | 2014-11-26 | 黄华 | Optical cell with continuously variable optical path |
| CN204785152U (en) * | 2015-05-04 | 2015-11-18 | 张莉 | Axial spacing's external loose joint of boiler |
| CN205350682U (en) * | 2015-12-24 | 2016-06-29 | 浙江省新昌县华佳国财塑胶有限公司 | Pipe fitting of practicality |
-
2016
- 2016-12-30 CN CN201611271635.0A patent/CN106596407A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1724567A1 (en) * | 2005-05-17 | 2006-11-22 | Nitrex Metal Inc | Apparatus and method for controlling atmospheres in heat treating of metals |
| CN102879898A (en) * | 2012-09-29 | 2013-01-16 | 太原科技大学 | Automatic tunable system with multiple optical paths |
| CN104165843A (en) * | 2013-05-20 | 2014-11-26 | 黄华 | Optical cell with continuously variable optical path |
| CN204785152U (en) * | 2015-05-04 | 2015-11-18 | 张莉 | Axial spacing's external loose joint of boiler |
| CN205350682U (en) * | 2015-12-24 | 2016-06-29 | 浙江省新昌县华佳国财塑胶有限公司 | Pipe fitting of practicality |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903611A (en) * | 2021-01-25 | 2021-06-04 | 中国海洋大学 | Multiband absorbance detection system and working method thereof |
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