CN204462093U - Ignition judgment device of flame ionization detector - Google Patents
Ignition judgment device of flame ionization detector Download PDFInfo
- Publication number
- CN204462093U CN204462093U CN201420762331.4U CN201420762331U CN204462093U CN 204462093 U CN204462093 U CN 204462093U CN 201420762331 U CN201420762331 U CN 201420762331U CN 204462093 U CN204462093 U CN 204462093U
- Authority
- CN
- China
- Prior art keywords
- controller
- signal
- ionization detector
- flame ionization
- control signal
- 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
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 12
- 239000001257 hydrogen Substances 0.000 description 12
- 229910052739 hydrogen Inorganic materials 0.000 description 12
- 230000035945 sensitivity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
A flame ionization detector ignition determination apparatus comprising: a controller; the igniter receives the control signal of the controller and is used for igniting the flame ionization detector according to the control signal; the pressure controller receives a control signal of the controller and changes the pressure of the pressure controller according to the control signal; the signal detection device is electrically connected with the controller and used for detecting a basic current signal generated by flame and transmitting the basic current signal to the controller; and the recorder is used for receiving and displaying the basic flow signal detected by the signal detection device.
Description
Technical field
The utility model relates to a kind of detecting device igniting judgment means, particularly a kind of flame ionization detector igniting judgment means igniting judgment means.
Background technology
Chromatograph is the device for carrying out chromatographic resolution analysis.Comprise sampling system, detection system, record and data handling system, temperature control system and mobile phase control system etc.Modern chromatograph has stability, sensitivity, versatility and automaticity high, is widely used in chemical products, and certain of macromolecular material is containing quantitative analysis.The detecting device that chromatograph is conventional has TCD and FID.Flame ionization detector igniting judgment means is due to highly sensitive, reliable operation, application widely, it is a kind of high sensitivity common detector, it almost has response to all organism, and to inorganics, the material do not dissociated in inert gas or flame etc. without response or response very little, its remolding sensitivity is very high, detectability reaches 10-13g/s, to temperature-insensitive, response is fast, be applicable to connecting the separation that open tubular column carries out complex sample, a kind of means best to hydro carbons sensitivity in gas chromatogram detector, be widely used in volatile hydrocarbon and many detections containing charing compound.The full name of FID is flame ionization detector because general all be hydrogen, so be generally hydrogen flame detector.Its principle is when organism is through detecting device, and can produce ion in flame there, under the effect of polarizing voltage, the electric current between nozzle and collector can increase, and detects and record to obtain corresponding spectrogram to this current signal.General organic compound has response on FID, and general molecular weight is larger, and sensitivity is higher.Flame ionization detector igniting judgment means operationally, must light hydrogen.After hydrogen is lighted, output valve can produce a faint base flow signal, because base flow signal is very faint, work noise that is easy and detecting device mixes, therefore be difficult to judge whether hydrogen is lighted from base flow signal, usual employing aqueous vapor method, with the naked eye judges whether hydrogen is lighted, can exist and judge inaccurate situation.Owing to causing the formation of water in FID combustion process, easily cause detecting device fray-out of flame, the flow of carrier gas in addition, hydrogen and air, ratio all can cause the difference of failure and the flame combustion effect of lighting a fire, and thus directly affect the response of FID.Therefore, it is possible to whether real-time judge flame has been lighted for chromatographic normal operation very important.
Utility model content
Whether goal of the invention of the present utility model is for flame ionization detector igniting judgment means, design a kind of flame ionization detector igniting judgment means igniting judgment means and be used for real-time judge flame and light.
For achieving the above object, the utility model provides a kind of flame ionization detector igniting judgment means, comprising:
One controller;
One lighter, receives the control signal of described controller, in order to light a fire to described flame ionization detector according to described control signal;
One pressure controller, receives the control signal of described controller, and changes the pressure of described pressure controller according to described control signal;
One signal supervisory instrument, is electrically connected described controller, the base flow signal produced in order to flame detection, and sends described base flow signal to described controller; And
One registering instrument, receive and show described signal supervisory instrument detect described base flow signal.
Above-mentioned flame ionization detector igniting judgment means, described signal supervisory instrument is signal amplification board.
For achieving the above object, the utility model also provides a kind of flame ionization detector, comprising:
Detecting device body; And
Igniting judgment means;
Wherein said igniting judgment means comprises:
One controller;
One lighter, receives the control signal of described controller, in order to light a fire to described flame ionization detector according to described control signal;
One pressure controller, receives the control signal of described controller, and changes the pressure of described pressure controller according to described control signal;
One signal supervisory instrument, is electrically connected described controller, the base flow signal produced in order to flame detection, and sends described base flow signal to described controller; And
One registering instrument, receive and show described signal supervisory instrument detect described base flow signal.
Above-mentioned flame ionization detector, described signal supervisory instrument is signal amplification board.
Compared with prior art, the utility model, by a kind of base flow judgment means of design, can judge whether flame is lighted accurately, decreases instrument maintenance work amount and the artificial inaccurate situation of judgement existed, also improves the cycle of operation of instrument simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the flame ionization detector igniting judgment means of the utility model one embodiment;
Fig. 2 is the flame ionization detector igniting judgment means workflow diagram of the utility model one embodiment.Wherein, Reference numeral
S1-S4 step
1 flame ionization detector igniting judgment means
11 controllers
12 pressure controllers
13 signal supervisory instruments
Embodiment
Please refer to Fig. 1, Fig. 1 is the schematic diagram of the flame ionization detector igniting judgment means of the utility model one embodiment.The flame ionization detector igniting judgment means that the utility model provides, comprising: a controller 11; One lighter (not illustrating in figure), receives the control signal of described controller 11, in order to light a fire to described flame ionization detector judgment means 1 according to described control signal; One pressure controller 12, receives the control signal of described controller 11, and changes the pressure of described pressure controller 12 according to described control signal; One signal supervisory instrument 13, is electrically connected described controller 11, the base flow signal produced in order to flame detection, and sends described base flow signal to described controller 11; And a registering instrument (not illustrating in figure), receive and show the described base flow signal that described signal supervisory instrument 13 detects.Wherein, described signal supervisory instrument 13 is signal amplification board.But those skilled in the art can according to the self-defined input dress of actual conditions
In use, flame ionization detector igniting judgment means makes sample and carrier gas by burning hydrogen-air flame by lighter, and the heat generated with hydrogen flame is for the energy.It is little that hydrogen-air flame itself produces ion, more ion can be produced when organism burns on hydrogen flame, signal supervisory instrument 13 is housed near hydrogen flame, wherein this signal supervisory instrument 13 has collector, on collector under polarizing voltage effect, positively charged ion and electrons are moved into ion current respectively to two ends, the amount of ion current size and flame combustion sample is directly proportional, ion current is changed into digital signal by electrometer and exports controller 11 to by current output device, controller 11 is according to the size of electric current, result of calculation, and by result feedback in controller 11.Controller 11 is according to result of calculation controlled pressure controller 12 afterwards, it is made to change the air inflow of hydrogen, thus change the size of hydrogen-air flame, finally change the size of ion current, namely base flow size is changed, make base flow signal produce an obvious changing value, when signal supervisory instrument 13 detects the change of base flow signal, and judge whether hydrogen is lighted by this change.Meanwhile, the change of base flow signal is shown intuitively by registering instrument.
In other embodiments of the utility model, a kind of flame ionization detector is provided, it is characterized in that, comprising: detecting device body; And above-mentioned igniting judgment means.Wherein said igniting judgment means comprises: a controller; One lighter, receives the control signal of described controller, in order to light a fire to described flame ionization detector according to described control signal; One pressure controller, receives the control signal of described controller, and changes the pressure of described pressure controller according to described control signal; One signal supervisory instrument, is electrically connected described controller, the base flow signal produced in order to flame detection, and sends described base flow signal to described controller; And a registering instrument, receive and show the described base flow signal that described signal supervisory instrument detects.
Please refer to Fig. 2, Fig. 2 is the process flow diagram of the flame ionization detector igniting judgment means work of the utility model one embodiment.Flame ionization detector igniting determination methods as shown in the figure, comprising:
S1: by a lighter, lights a fire described flame ionization detector;
S2: by a signal supervisory instrument, the base flow signal that flame detection produces;
S3: the hydrogen gas amount being changed described flame ionization detector by a pressure controller;
S4: the base flow signal changing front and back by comparing hydrogen gas amount, if change, illustrates and light a fire successfully, if unchanged, repeats above-mentioned steps until the change of base flow signal detected.
Claims (4)
1. a flame ionization detector igniting judgment means, is characterized in that, comprising:
One controller;
One lighter, receives the control signal of described controller, in order to light a fire to described flame ionization detector according to described control signal;
One pressure controller, receives the control signal of described controller, and changes the pressure of described pressure controller according to described control signal;
One signal supervisory instrument, is electrically connected described controller, the base flow signal produced in order to flame detection, and sends described base flow signal to described controller; And
One registering instrument, receive and show described signal supervisory instrument detect described base flow signal.
2. a flame ionization detector igniting judgment means as claimed in claim 1, it is characterized in that, described signal supervisory instrument is signal amplification board.
3. a flame ionization detector, is characterized in that, comprising:
Detecting device body; And
Igniting judgment means;
Wherein said igniting judgment means comprises:
One controller;
One lighter, receives the control signal of described controller, in order to light a fire to described flame ionization detector according to described control signal;
One pressure controller, receives the control signal of described controller, and changes the pressure of described pressure controller according to described control signal;
One signal supervisory instrument, is electrically connected described controller, the base flow signal produced in order to flame detection, and sends described base flow signal to described controller; And
One registering instrument, receive and show described signal supervisory instrument detect described base flow signal.
4. a flame ionization detector as claimed in claim 3, is characterized in that, described signal supervisory instrument is signal amplification board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420762331.4U CN204462093U (en) | 2014-12-05 | 2014-12-05 | Ignition judgment device of flame ionization detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420762331.4U CN204462093U (en) | 2014-12-05 | 2014-12-05 | Ignition judgment device of flame ionization detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204462093U true CN204462093U (en) | 2015-07-08 |
Family
ID=53668962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420762331.4U Expired - Fee Related CN204462093U (en) | 2014-12-05 | 2014-12-05 | Ignition judgment device of flame ionization detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204462093U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501447A (en) * | 2019-08-19 | 2019-11-26 | 深圳市恒富盛科技有限公司 | Ignition method, system, device and the readable storage medium storing program for executing of hydrogen flame detector |
| CN110702824A (en) * | 2019-10-21 | 2020-01-17 | 江苏天瑞仪器股份有限公司 | Automatic ignition control method of hydrogen flame ionization detector |
-
2014
- 2014-12-05 CN CN201420762331.4U patent/CN204462093U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501447A (en) * | 2019-08-19 | 2019-11-26 | 深圳市恒富盛科技有限公司 | Ignition method, system, device and the readable storage medium storing program for executing of hydrogen flame detector |
| CN110702824A (en) * | 2019-10-21 | 2020-01-17 | 江苏天瑞仪器股份有限公司 | Automatic ignition control method of hydrogen flame ionization detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104849374B (en) | NMHC analytical equipment and method | |
| CN102967590B (en) | A kind of method of direct injected Simultaneously test mercury and cadmium and instrument | |
| CN103336070B (en) | The pick-up unit of sulfur-bearing failure gas component and method in a kind of quantitative detection sulfur hexafluoride electrical equipment | |
| CN203396692U (en) | Infrared detection device for methane concentration | |
| CN101382513A (en) | Self-calibrating trace gas sensor | |
| CN102353737A (en) | Detection device for detecting sulfur hexafluoride electrical equipment fault gas | |
| CN106153431B (en) | A kind of detection method and its device of quick measurement raw gas ingredient | |
| CN103675173B (en) | Gas chromatograph | |
| CN101650280A (en) | Quantitive detection method of volatile organic compounds in additive of cigarette filter stick | |
| US3086848A (en) | Gas analyzer | |
| CN204462093U (en) | Ignition judgment device of flame ionization detector | |
| CN109752344B (en) | Portable non-methane total hydrocarbon concentration detector and detection method | |
| CN102226792A (en) | Detection method for 2-methoxyethanol, 2-ethoxyethanol, 2-methoxyethanol acetate and 2-ethoxyethanol acetate | |
| CN102590419B (en) | Device used for analyzing mixed gas in expansion tank of power transformer and based on gas chromatographic technology | |
| CN118010185A (en) | High-voltage cable fault diagnosis method and system | |
| CN103869034B (en) | A kind of gas-chromatography FID automatic ignition detects control method | |
| CN105092661A (en) | Catalytic combustion-type gas sensor | |
| CN202305490U (en) | Electric pneumatic control device for gas chromatographs | |
| CN203053930U (en) | Pyrolysis gas chromatography and mass spectrum double-detection device | |
| CN110895266B (en) | Analysis device and method for measuring content of hydrogen sulfide and phosphine | |
| CN105067730A (en) | Hydrogen flame ionization detector for carrying out quantitative analysis on hydrocarbon mixture | |
| CN103575796A (en) | Detection method for ion migration spectrum and ion migration spectrometer using the same method | |
| CN201917414U (en) | Hydrogen flame detecting device for temperature detection contrast type hydrogen flame ionization detector | |
| CN203405450U (en) | Detection device for quantitatively detecting sulfur-containing fault gas components in sulphur hexafluoride electrical equipment | |
| CN203894167U (en) | Raman spectrum gas detecting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |