CN207232109U - A kind of photochemistry post-column derivation device - Google Patents
A kind of photochemistry post-column derivation device Download PDFInfo
- Publication number
- CN207232109U CN207232109U CN201721226464.XU CN201721226464U CN207232109U CN 207232109 U CN207232109 U CN 207232109U CN 201721226464 U CN201721226464 U CN 201721226464U CN 207232109 U CN207232109 U CN 207232109U
- Authority
- CN
- China
- Prior art keywords
- derivative
- stent
- photodiode
- ultraviolet lamp
- aluminium box
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000009795 derivation Methods 0.000 title claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 26
- 239000004411 aluminium Substances 0.000 claims abstract description 26
- 230000003750 conditioning effect Effects 0.000 claims abstract description 8
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 7
- 229910052753 mercury Inorganic materials 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 6
- 238000001212 derivatisation Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- 150000001398 aluminium Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model provides a kind of photochemistry post-column derivation device.The utility model includes photodiode, ultraviolet lamp, projectile source device, derivative environment aluminium box and stent made of minute surface aluminium sheet, projectile source device is respectively positioned on outside derivative environment aluminium box, photodiode, explosion-proof type high temperature sensor, stent are located in derivative environment aluminium box and stent outer is wound with derivative pipeline, ultraviolet lamp is additionally provided with temperature conditioning unit through the stent is inserted through in the derivative environment aluminium box.The utility model derives all fixed frames of environment and uses specular aluminium, the light intensity loss for avoiding UV Absorption from bringing；And monitored in real time using photodiode, explosion-proof type high temperature sensor, efficiency, stability derived from raising, ensure the reliability of result.
Description
Technical field
It the utility model is related to a kind of photochemistry post-column derivation device.
Background technology
Photochemistry post-column derivation device be connect liquid chromatograph an auxiliary device, existing photochemistry post-column derivation device
The derivative pipeline of generally polytetrafluoro is wrapped on the stainless steel reaction stent for securing 254 nanometers of ultraviolet lamps, a ultraviolet lamp
Technically simple with Switching Power Supply and a shell, ultraviolet lamp energy loss is big, stability is poor, is unable to the state of display instrument, pacifies
Full property is poor, derivative is less efficient.
The content of the invention
The purpose of this utility model is to provide a kind of photochemistry post-column derivation device, to overcome above-mentioned deficiency.
To achieve the above object, the technical solution of the utility model is：A kind of photochemistry post-column derivation device, including light
Electric diode, ultraviolet lamp, projectile source device, derivative environment aluminium box and stent made of minute surface aluminium sheet, the bombardment
Particle source device is respectively positioned on outside derivative environment aluminium box, and the photodiode and stent are located in derivative environment aluminium box and stent
Outside is wound with derivative pipeline, and the ultraviolet lamp is additionally provided with temperature conditioning unit through the stent is inserted through in the derivative environment aluminium box.
The controller realized and continuously adjusted is equipped between photodiode and the projectile source device.
The derivative pipeline uniform winding is on the bracket.
The temperature conditioning unit includes explosion-proof high temperature modification temperature sensor, temperature safety tube and radiator fan.
The photodiode is the photodiode of 253.7nm.
The ultraviolet lamp is the low-pressure mercury ultraviolet lamp for having installed rectifier additional, which is installed on double four hole
On lamp holder.
The beneficial effects of the utility model are：1st, derivative pipeline is wound on stent, and derivative light source is located in stent, derivative
Pipeline is all consistent with the distance of derivative light source, ensures energy excitation uniformity in derivatization process；2nd, all fixations of derivative environment
Frame uses specular aluminium, the light intensity loss for avoiding UV Absorption from bringing；3rd, it is used as and is spread out using import high pressure polyfluortetraethylene pipe
Raw pipeline, pipeline wall thickness is consistent, and material is homogeneous, is 35% or so to ultraviolet absorbance；4th, the utility model is low using import
Pressure mercury lamp installs rectifier additional and ensures that the radiation intensity of lamp is stablized；5th, the temperature to derivative environment, the use pair of ultraviolet lamp radiation intensity
The sensor answered monitors in real time, efficiency, stability derived from raising, ensures the reliability of result；6th, leakage monitoring ensures monitoring
Laboratory safety.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
In figure：1- projectile source devices, 2- radiator fans, 3- photodiodes, 4- derive environment aluminium box, and 5- derives pipe
Road, 6- temperature sensors, 7- temperature safety tubes, 8- ultraviolet lamps, 9- lamp holders, 10- stents.
Embodiment
The utility model and its embodiment are described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, the utility model includes photodiode 3, ultraviolet lamp 8, projectile source device 1, uses specular aluminium
Derivative environment aluminium box 4 and stent 10, projectile source device 1 are located at outside derivative environment aluminium box 4 made of plate, two pole of photoelectricity
Pipe 4 and the stent 10 are located in derivative environment aluminium box 4 and the outside of stent 10 is wound with derivative pipeline 5, and the ultraviolet lamp 8 runs through
The stent 10 is inserted through, temperature conditioning unit is additionally provided with the derivative environment aluminium box 4.Temperature conditioning unit includes explosion-proof high temperature modification temperature sensing
Device 6, temperature safety tube 7 and radiator fan 2.
5 uniform winding of derivative pipeline ensures that the distance of derivative pipeline 5 and derivative light source is whole on the stent 10
Unanimously, easy to energy excitation uniformity in derivatization process.The both ends of derivative pipeline 5 and derivative environment aluminium box 4 are logical by through walls two
Connector is fixedly connected.
The photodiode 3 is the photodiode of 253.7nm.
The ultraviolet lamp 8 is the 253.7nm 38W 2mW/cm for having installed rectifier additional2The low-pressure mercury ultraviolet lamp of~2cm
8, which is installed on the ultraviolet lamp holder 9 in double four hole.
All fixed frames such as the domestic stent 10 of derivative ring use specific coatings specular aluminium, avoid what UV Absorption was brought
Light intensity loss, ensures ultraviolet reflection rate 86% or so.
The controller circuitry realized and continuously adjusted is equipped between the photodiode 3 and projectile source device 1.
Temperature conditioning unit is using explosion-proof high temperature modification temperature sensor 6 (0 DEG C~300 DEG C), temperature safety tube 7 (150 DEG C), fan
2 (DC12V 0.7W), derivative environment aluminium box 4 form.6 monitoring temperature of temperature sensor, using radiator fan 2 and temperature regulating device,
The temperature for making to derive environment temperature in a certain temperature stabilization, guarantee derivatization process, stablizes derivatization reaction；Continue in ultraviolet lamp
Under work, derivative space temperature is higher, and explosion-proof type temperature sensor 6 can ensure that temperature sensor does not leak incendiary source, prevents
Escape causes burning or explosion；It can ensure temperature monitoring not in the event of burning or explosion, high temperature modification temperature sensor 6
Distortion；Using heat insulating mattress fixed temperature sensor 6, influence of the aluminium box to temperature monitoring is avoided；At the same time temperature safety tube 7 is equipped with to reach
To protection temperature, the automatic heat source power-off of when temperature over-range, comprehensive increase stability of instrument and security.
The present invention is shown except the temperature of Photochemical derivatization device is monitored in real time and digitized, and may also be combined with ultraviolet lamp radiation
Intensity carries out comprehensive test, draws the derivative efficiency of photochemistry post-column derivation device, so as to ensure that instrument state is grasped at any time, ensures
As a result repeatability, reliability and stability.
Low-pressure mercury ultraviolet lamp 8 is combined with projectile source device 1, ensures that the radiation intensity of lamp is stablized, high-frequency rectification electricity
Road direction low-pressure mercury ultraviolet lamp 8 is powered, and it is launched 253.7nm ultraviolet lights, it is strong that single-wavelength light electric diode 3 monitors ultraviolet radioactive
Degree.Changed according to UV radiation intensity monitor value, adjusting projectile source device 1 by high-frequency rectification circuit intensifies current control
Low-pressure mercury ultraviolet lamp 8, makes UV radiation intensity continual and steady.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly used in
Other relevant technical fields, are equally included in the patent within the scope of the utility model.
Claims (6)
- A kind of 1. photochemistry post-column derivation device, it is characterised in that：Including photodiode, ultraviolet lamp, projectile source device, Derivative environment aluminium box and stent, the projectile source device are respectively positioned on outside derivative environment aluminium box made of minute surface aluminium sheet, institute State photodiode and stent is located in derivative environment aluminium box and is wound with derivative pipeline on the outside of stent, the ultraviolet lamp runs through The stent is inserted through, temperature conditioning unit is additionally provided with the derivative environment aluminium box.
- 2. photochemistry post-column derivation device according to claim 1, it is characterised in that：The photodiode and projectile The controller realized and continuously adjusted is equipped between source device.
- 3. photochemistry post-column derivation device according to claim 1, it is characterised in that：The derivative pipeline uniform winding is in institute State on stent.
- 4. according to claim 1-3 any one of them photochemistry post-column derivation devices, it is characterised in that：The temperature conditioning unit includes Explosion-proof high temperature modification temperature sensor, temperature safety tube and radiator fan.
- 5. photochemistry post-column derivation device according to claim 1, it is characterised in that：The photodiode is 253.7nm Photodiode.
- 6. photochemistry post-column derivation device according to claim 1, it is characterised in that：The ultraviolet lamp is ultraviolet for low-pressure mercury Line lamp, the ultraviolet lamp are installed on the lamp holder in double four hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721226464.XU CN207232109U (en) | 2017-09-23 | 2017-09-23 | A kind of photochemistry post-column derivation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721226464.XU CN207232109U (en) | 2017-09-23 | 2017-09-23 | A kind of photochemistry post-column derivation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207232109U true CN207232109U (en) | 2018-04-13 |
Family
ID=61863757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721226464.XU Expired - Fee Related CN207232109U (en) | 2017-09-23 | 2017-09-23 | A kind of photochemistry post-column derivation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207232109U (en) |
-
2017
- 2017-09-23 CN CN201721226464.XU patent/CN207232109U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |