CN107132269A - Optic ionized sensor - Google Patents
Optic ionized sensor Download PDFInfo
- Publication number
- CN107132269A CN107132269A CN201710502140.2A CN201710502140A CN107132269A CN 107132269 A CN107132269 A CN 107132269A CN 201710502140 A CN201710502140 A CN 201710502140A CN 107132269 A CN107132269 A CN 107132269A
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- detecting element
- electrode
- triode
- cavity
- supply circuit
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- 239000002001 electrolyte material Substances 0.000 claims abstract description 5
- 239000007772 electrode material Substances 0.000 claims abstract description 4
- 239000004020 conductor Substances 0.000 claims description 13
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 239000003574 free electron Substances 0.000 description 5
- 230000005684 electric field Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
- G01N27/66—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Toxicology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The present invention is to be related to a kind of improvement of optic ionized sensor.Optic ionized sensor, including ultraviolet lamp, detecting element and power supply circuit, detecting element is provided with ultraviolet lamp lower end, there is cavity inside described detecting element, the detecting element side wall of cavity the upper side and lower side, electrode and electrolyte material layer are followed successively by from inside to outside, the electrode of cavity side connects display module by amplifier；Described detecting element bottom surface is provided with several through holes, and the through hole connects detecting element internal cavities；Described power supply circuit output end is powered for an electrode of ultraviolet lamp and detecting element.The present invention can efficiently, intuitively show the concentration of under test gas, and safety in production and environmental pollution aspect monitoring are of great importance.
Description
Technical field
The present invention is to be related to a kind of improvement of optic ionized sensor.
Background technology
Photoion gas sensor is also known as PID gas sensors.The light being made of the principle of photoion ionized gas from
Sub- gas sensor, with small volume, clever lightness is high, the features such as plug and play, and photoion gas sensor is in organic volatile
Context of detection Deng minimum gas has unrivaled advantage.Photoion gas sensor（PID）It is using photoion ionization
The principle of gas carries out gas detection.Specifically, the ultraviolet light exactly produced using ion lamp is shone object gas
Penetrate/bombard, object gas is absorbed and will be ionized after enough UV energies, and what is produced by detecting after gas ionization is micro-
Low current, you can detect the concentration of object gas.It is highly suitable for organic gas in detection air to leak, to safety in production
It is of great importance with monitoring in terms of environmental pollution.
The content of the invention
In view of the deficienciess of the prior art, to be to provide a kind of Detection results good for the technical problems to be solved by the invention
Optic ionized sensor.
The present invention adopts the following technical scheme that to complete：Optic ionized sensor, including ultraviolet lamp, detecting element
And power supply circuit, it is characterised in that：Being provided with ultraviolet lamp lower end inside detecting element, described detecting element has cavity,
The detecting element side wall of cavity the upper side and lower side, electrode and electrolyte material layer, the electrode of cavity side are followed successively by from inside to outside
Display module is connected by amplifier；Described detecting element bottom surface is provided with several through holes, the through hole connection detecting element
Portion's cavity；Described power supply circuit output end is powered for an electrode of ultraviolet lamp and detecting element.
As a kind of preferred scheme, conductor layer is provided with the middle part of cavity, there is space between the conductor layer and electrode, it is described
Conductor layer connects the ground wire of power supply circuit；It is, when object gas has higher water content, to there is portion to set conductor layer to act on
Electronics is divided not moved to electrode direction, now by the way that conductor layer is by such Electron absorption and discharges.
As a kind of preferred scheme, described power supply circuit includes transformer T, power input connection filter capacitor C1 and
Voltage stabilizing piece input, voltage stabilizing piece output end connection electric capacity C2, resistance R1, resistance R2 and inductance L1 one end, the resistance R1 other ends connect
Feedback coil one end and the triode VT1 base stages of transformer are connect, the resistance R2 other ends connect the feedback coil other end of transformer
With triode VT2 base stages, triode VT1 and triode VT2 colelctor electrode connect the two ends of transformer T primary windings, three respectively
Pole pipe VT1 and triode VT2 grounded emitter, the primary winding end of another termination transformers of inductance L1；Transformer T's is secondary
Coil-end connects radio-frequency electrode and diode VD one end, and the diode VD other ends connect an electrode of detecting element.
As another preferred scheme, described display module includes single-chip microcomputer, and single-chip microcomputer is connected with charactron.Pass through list
The signal of the electrode output of piece machine processing detecting element, and shown, intuitively show under test gas concentration.
As another preferred scheme, described display module includes data collecting card, and the signal of amplifier output is by counting
The com port of computer is inputted after being gathered according to capture card, then by Computer display.
The beneficial effects of the invention are as follows：The present invention is ionizing the object gas in detecting element by ultraviolet lamp, by mesh
Gas volume ionization is the ion and free electron of positively charged, electric field action of the free electron in detecting element between two electrodes
Lower to be moved to a lateral electrode, electric current is carried out detecting that structure is shown by the electrode by sending into display module after amplifier, efficient, straight
The concentration for showing under test gas seen, is of great importance to safety in production and environmental pollution aspect monitoring.
Brief description of the drawings
Fig. 1 is principle of the invention figure.
Fig. 2 is schematic structural view of the invention.
Fig. 3 is Fig. 2 A portions partial enlarged drawing.
Fig. 4 is power supply circuit schematic diagram of the present invention.
1 is ultraviolet lamp, 2 amplifiers, 3 display modules, 4 detecting elements, 5 through holes, 6 electrolyte material layers, 7 electricity in figure
Pole, 8 conductor layers.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
With reference to the accompanying drawings shown in 1-3, optic ionized sensor, including ultraviolet lamp 1, detecting element 4 and power supply circuit, in purple
The lower end of outside line lamp 1 is provided with detecting element 4, and the described inside of detecting element 4 has cavity, the detecting element of cavity the upper side and lower side
Side wall, electrode and electrolyte material layer 6 are followed successively by from inside to outside, wherein lateral electrode ground connection, another lateral electrode pass through amplifier 2
Connect display module 3；The described bottom surface of detecting element 4 is provided with several through holes 5, and 4 inside of the connection of through hole 5 detecting element are empty
Chamber；Described power supply circuit output end is powered for an electrode of ultraviolet lamp 1 and detecting element 4, and the electrode of detecting element 4 exists
Under the voltage that power supply circuit is provided, electric field is formed, the free electron after ionization is moved to electrode, power supply circuit passes through radio frequency
Mode starts ultraviolet lamp 1, ultraviolet lamp 1 sends ultraviolet bombing target gas, by object gas ionize for positively charged from
Moved under son and free electron, electric field action of the electronics in detecting element 4 between two electrodes to a lateral electrode, the electrode will
Electric current carries out detecting that structure is shown by sending into display module after amplifier.
With reference to the accompanying drawings shown in 3, conductor layer 8 is provided with the middle part of cavity, there is space between the conductor layer 8 and electrode, it is described
Conductor layer 8 connects the ground wire of power supply circuit；It is, when object gas has higher water content, to there is portion to set conductor layer to act on
Electronics is divided not moved to electrode direction, now by the way that conductor layer is by such Electron absorption and discharges.
According to Fig. 4, described power supply circuit includes transformer T, power input connection filter capacitor C1 and voltage stabilizing
Piece input, voltage stabilizing piece output end connection electric capacity C2, resistance R1, resistance R2 and inductance L1 one end, resistance R1 other ends connection becomes
Feedback coil one end of depressor and triode VT1 base stages, the resistance R2 other ends connect the feedback coil other end and three of transformer
Pole pipe VT2 base stages, triode VT1 and triode VT2 colelctor electrode connect the two ends of transformer T primary windings, triode respectively
VT1 and triode VT2 grounded emitter, the primary winding end of another termination transformers of inductance L1；Transformer T secondary coil
End connection radio-frequency electrode and diode VD one end, the diode VD other ends connect an electrode of detecting element.
Described display module 3 includes single-chip microcomputer, and single-chip microcomputer is connected with charactron.Detecting element is handled by single-chip microcomputer
The signal of electrode output, and shown, intuitively show under test gas concentration.
Described display module include data collecting card, amplifier output signal by data collecting card gather after input count
The com port of calculation machine, then by Computer display.
The present invention is ionizing the object gas in detecting element 4 by ultraviolet lamp 1, is positively charged by object gas ionization
Ion and free electron, moved to a lateral electrode under electric field action of the electronics in detecting element 4 between two electrodes, the electricity
Electric current is carried out detecting that structure is shown by pole by sending into display module after amplifier, efficiently, intuitively shows under test gas
Concentration, is of great importance to safety in production and environmental pollution aspect monitoring.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (5)
1. optic ionized sensor, including ultraviolet lamp, detecting element and power supply circuit, it is characterised in that：Under ultraviolet lamp
Hold and be provided with detecting element, there is cavity, certainly the detecting element side wall of cavity the upper side and lower side, introversion inside described detecting element
Electrode and electrolyte material layer are followed successively by outside, the electrode of cavity side connects display module by amplifier；Described detection member
Part bottom surface is provided with several through holes, and the through hole connects detecting element internal cavities；Described power supply circuit output end is ultraviolet
One electrode of lamp and detecting element is powered.
2. optic ionized sensor according to claim 1, it is characterised in that：Conductor layer is provided with the middle part of cavity, it is described to lead
There is space, the conductor layer connects the ground wire of power supply circuit between body layer and electrode.
3. optic ionized sensor according to claim 1, it is characterised in that：Described power supply circuit includes transformer T,
Power input connects filter capacitor C1 and voltage stabilizing piece input, voltage stabilizing piece output end connection electric capacity C2, resistance R1, resistance R2 and
Inductance L1 one end, feedback coil one end of resistance R1 other ends connection transformer and triode VT1 base stages, the resistance R2 other ends connect
Connect the feedback coil other end and triode VT2 base stages of transformer, triode VT1 and triode VT2 colelctor electrode are connected respectively
The two ends of transformer T primary windings, triode VT1 and triode VT2 grounded emitter, another termination transformers of inductance L1
Primary winding end；Transformer T secondary coil end connection radio-frequency electrode and diode VD one end, diode VD other ends connection are visited
Survey an electrode of element.
4. optic ionized sensor according to claim 1, it is characterised in that：Described display module includes single-chip microcomputer,
Single-chip microcomputer is connected with charactron.
5. optic ionized sensor according to claim 1, it is characterised in that：Described display module includes data acquisition
Card, the signal of amplifier output by data collecting card gather after input the com port of computer, then by Computer display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710502140.2A CN107132269A (en) | 2017-06-27 | 2017-06-27 | Optic ionized sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710502140.2A CN107132269A (en) | 2017-06-27 | 2017-06-27 | Optic ionized sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107132269A true CN107132269A (en) | 2017-09-05 |
Family
ID=59735752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710502140.2A Pending CN107132269A (en) | 2017-06-27 | 2017-06-27 | Optic ionized sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107132269A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5773833A (en) * | 1996-03-22 | 1998-06-30 | Rae Systems, Inc. | Photo-ionization detector for volatile gas measurement |
| WO2008043201A1 (en) * | 2006-10-08 | 2008-04-17 | Rae Systems (Shanghai) Inc. | Photo-ionization sensor for detecting the concentration of gas and method thereof |
| CN101504388A (en) * | 2009-03-16 | 2009-08-12 | 中北大学 | Miniature optical ionization sensor |
| CN101603945A (en) * | 2009-07-13 | 2009-12-16 | 中北大学 | Portable photo-ionization gas detector |
| CN204495771U (en) * | 2014-12-29 | 2015-07-22 | 刘志海 | A kind of photoionization detection system |
| CN207300975U (en) * | 2017-06-27 | 2018-05-01 | 包轩 | Optic ionized sensor |
-
2017
- 2017-06-27 CN CN201710502140.2A patent/CN107132269A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5773833A (en) * | 1996-03-22 | 1998-06-30 | Rae Systems, Inc. | Photo-ionization detector for volatile gas measurement |
| WO2008043201A1 (en) * | 2006-10-08 | 2008-04-17 | Rae Systems (Shanghai) Inc. | Photo-ionization sensor for detecting the concentration of gas and method thereof |
| CN101563601A (en) * | 2006-10-08 | 2009-10-21 | 华瑞科学仪器(上海)有限公司 | Photo-ionization sensor for detecting the concentration of gas and method thereof |
| CN101504388A (en) * | 2009-03-16 | 2009-08-12 | 中北大学 | Miniature optical ionization sensor |
| CN101603945A (en) * | 2009-07-13 | 2009-12-16 | 中北大学 | Portable photo-ionization gas detector |
| CN204495771U (en) * | 2014-12-29 | 2015-07-22 | 刘志海 | A kind of photoionization detection system |
| CN207300975U (en) * | 2017-06-27 | 2018-05-01 | 包轩 | Optic ionized sensor |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170905 |
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| RJ01 | Rejection of invention patent application after publication |