CN105889979A - Automatic ignition device for gas chromatograph - Google Patents
Automatic ignition device for gas chromatograph Download PDFInfo
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- CN105889979A CN105889979A CN201410836026.XA CN201410836026A CN105889979A CN 105889979 A CN105889979 A CN 105889979A CN 201410836026 A CN201410836026 A CN 201410836026A CN 105889979 A CN105889979 A CN 105889979A
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- relay
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- electromagnetic valve
- ignition
- gas circuit
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Abstract
The invention discloses an automatic ignition device for a gas chromatograph, and belongs to the technical field of analysis and test instruments. The problems that ignition operation steps of an ignition gun for a gas chromatograph hydrogen flame detector are tedious, hydrogen flow cannot be kept consistent before and after ignition, and accuracy becomes poor are solved. The automatic ignition device is low in cost, economical, practical, simple in structure and reliable in performance. Ignition can be achieved only by pressing an ignition button, and hydrogen and air flow is kept unchanged before and after ignition. Stability and reproducibility of the hydrogen flame detector are ensured. The automatic ignition device is composed of a control circuit board, the ignition button, an ignition filament, an air resistance switching electromagnetic valve, a relevant power source and a connecting wire.
Description
Technical field
The invention belongs to analytical and testing instrument technical field, a kind of gas chromatograph relating to gas chromatograph hydrogen flame detector is automatic
Igniter designs.
Background technology
Gas chromatograph hydrogen flame detector needs igniting when analyzing, be a kind of hydrogen, air flame, and the ratio of flow is 1: 15
Left and right.Generally lighting a fire with burning torch, owing to hydrogen flowing quantity is low, air mass flow is high, and direct-fire is to be put not, needs to strengthen
The hydrogen flowing quantity of several times just can be lighted, and the most slowly drops to optimum after lighting.Its shortcoming: one is complex operation step；Two is every
Before and after secondary igniting, hydrogen flowing quantity can not keep consistent, and the sensitivity of hydrogen flame detector is just varied from, and its stability and repeatability become
Difference, causes analysis result accuracy to be deteriorated.Some automatic ignition, needs expensive sensor, and poor reliability at present.
Summary of the invention
The present invention provides a kind of gas chromatograph automatic ignition device, it is characterized in that: use one block of control circuit plate, an igniting
Button, ignition wire, air vapour lock switching solenoid valve, line related and line composition；One NPN tri-of concrete employing
Pole is managed, and base stage connects a current-limiting resistance, and the other end of resistance and the positive pole of an electrochemical capacitor are connected and link first liang of fast insertion terminal of core
One jack end, another jack end and two core binding posts "+" end is connected, and receives the positive pole of direct current 24V in chromatograph,
The two ends of button ignition switch connect two wires respectively, and the other end of two wires inserts two jacks of first liang of fast insertion terminal of core respectively
In；The emitter stage of described audion is connected with the negative pole of electrochemical capacitor and links the "-" end of two core binding posts i.e., receives color
The negative pole of the direct current 24V in spectrometer；Two direct current 24V duplex relay that is first relays received by the colelctor electrode of described audion
With the negative of the second relay coil with a diode just, the first relay and the second relay coil just with the bearing of diode
Be connected and receive two core binding posts "+" end；Two common ports of the first relay, respectively with second liang of fast insertion terminal of core
Two jack ends are connected, and two metal lead wires of ignition wire insert in two jacks of second liang of fast insertion terminal of core respectively, two normally opened ends,
Being connected with two jack ends of the 3rd liang of fast insertion terminal of core respectively, the two ends of the exchange 1.5V of chromatograph transformator are divided by twin conductor
Cha Ru be in two jacks of the 3rd liang of fast insertion terminal of core, two normal-closed end ground connection；Two common ports of the second relay connect two respectively
Core binding post "+" and "-", two normally opened ends, it is connected with two jack ends of the 4th liang of fast insertion terminal of core respectively, electromagnetic valve
Two control lines corresponding polarity of inserting the 4th liang of fast insertion terminal of core respectively jack in；Electromagnetic valve is connected in air gas circuit,
During electromagnetic valve no power, air is entered into the upper end gas circuit pipe of electromagnetic valve by the right-hand member gas circuit pipe of electromagnetic valve, with gas circuit threeway and gas
The upper end connection supply hydrogen flame detector of resistance；During solenoid valves, air is entered into electromagnetic valve by the right-hand member gas circuit pipe of electromagnetic valve
Left end gas circuit pipe through vapour lock, connects supply hydrogen flame detector with gas circuit threeway with upper end gas circuit pipe；Select the resistance of certain resistance
Electrochemical capacitor more than or equal to 50V pressure with certain capacity, is allowed to when pressing button ignition switch, and electrochemical capacitor is charged to rapidly
24V, triode ON, the first relay and the second relay are energized adhesive simultaneously, and common port leads to normally opened termination, is attached thereto
Ignition wire connect exchange 1.5V and be lit, electromagnetic valve and 24V connect and action, and air is entered by the right-hand member gas circuit pipe of electromagnetic valve
Left end gas circuit pipe to electromagnetic valve supplies hydrogen flame detector through vapour lock, and air mass flow is substantially reduced；When unclamping button ignition switch, electricity
Solving electric capacity to be discharged by the emitter stage of resistance with audion, about through 6 seconds, discharge into about 0.7V, hydrogen is in this process
In be ignited, audion ends, the power-off simultaneously of the first relay and the second relay, and diode plays afterflow effect, protection relay
The coil of device, common port disconnects with normally opened end, and ignition wire is extinguished and through normal-closed end ground connection, it is to avoid ignition wire is to hydrogen flame detector
Interference, electromagnetic valve sets back, and air rises to normal discharge, is i.e. maintained at prefiring flow, and hydrogen is in this process
In remain constant.
Beneficial effects of the present invention: solve complex operation step and the igniting of the igniting of gas chromatograph hydrogen flame detector burning torch
Front and back hydrogen flowing quantity can not keep a problem causing accuracy to be deteriorated, and low cost, and economical and practical, simple in construction, performance can
Lean on.Only need to press " button ignition switch " can put and catch fire, and before and after igniting, hydrogen all keeps constant with air mass flow, it is ensured that
The stability of hydrogen flame detector and repeatability.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Accompanying drawing 1 is one gas chromatograph automatic ignition device schematic diagram of the present invention.
Accompanying drawing 2 is one gas chromatograph automatic ignition device control circuit plate schematic diagram of the present invention.
Accompanying drawing 3 is one gas chromatograph automatic ignition device schematic diagram of the present invention.
1. liang of core binding posts, 2. electrochemical capacitor, 3. resistance, 4. diode, 5. coil, 6. the first relay in accompanying drawing, 7.
Second relay, 8. the 4th liang of fast insertion terminal of core, the most orange line, 10. blue line, 11. upper end gas circuit pipes, 12. the 3rd liang of cores are inserted soon
Terminal, 13. second liang of fast insertion terminals of core, 14. twin conductors, 15. audions, 16. first liang of fast insertion terminals of core, 17. two
Metal lead wire, 18. two wires, 19. installing holes, 20. black wires, 21. red wires, 22. button ignition switches, 23. igniting
Silk skeleton, 24. ignition wire, 25. vapour locks, 26. left end gas circuit pipes, 27. electromagnetic valves, 28. right-hand member gas circuit pipes, 29. circuit boards,
30. control circuit plates, 31. gas circuit threeways
Detailed description of the invention
Detailed description of the invention, in fig. 3, the present invention by one piece of control circuit plate (30), button ignition switch (22), one
Ignition wire (24), air vapour lock (25) switching solenoid valve (27), line related and line composition.
In fig 2, the control circuit plate (30) with four installing holes (19) uses a NPN audion (15), and base stage connects
One current-limiting resistance (3), the other end of resistance (3) and the positive pole of an electrochemical capacitor (2) are connected and link first liang of fast spigot of core
One jack end of son (16), another jack end and two core binding posts (1) "+" end is connected；Described audion (15)
Emitter stage be connected with the negative pole of electrochemical capacitor (2) and link the "-" end of two core binding posts (1) i.e.；Described audion
(15) colelctor electrode receives two direct currents 24V duplex relay that is first relay (6) and the second relay (7) coil (5)
Negative with a diode (4) just, the first relay (6) and the second relay (7) coil (5) just with diode
(4) negative connect and receive two core binding posts (1) "+" end；Two common ports of the first relay (6), respectively
Being connected with two jack ends of the second liang of fast insertion terminal of core (13), two normally opened ends, respectively with the 3rd liang of fast insertion terminal of core (12)
Two jack ends be connected, two normal-closed end ground connection；Two common ports of the second relay (7) connect two core binding posts (1) respectively
"+" and "-", two normally opened ends, it is connected with two jack ends of the 4th liang of fast insertion terminal of core (8) respectively.
In fig. 3, with a red wire (21), one end be connected to two core binding posts (1) of control circuit plate (30) "+"
The positive pole of the direct current 24V in another termination chromatograph；With a black wire (20), one end is connected to control circuit plate (30)
Two core binding posts (1) another termination chromatograph of "-" in the negative pole of direct current 24V；Divide with one end of two wires (18)
Not being connected on two terminals of button ignition switch (22), the other end inserts two of the first liang of fast insertion terminal of core (16) respectively and inserts
In hole；Ignition wire (24) point is welded on ignition wire skeleton (23), by two metal lead wires (17) on ignition wire skeleton (23),
Insert respectively in two jacks of the second liang of fast insertion terminal of core (13)；The 3rd liang is inserted respectively with one end of twin conductor (14)
In two jacks of the fast insertion terminal of core (12), the other end is connected respectively to the two ends of the exchange 1.5V of chromatograph transformator；Electromagnetism
Two control lines of valve (27), orange line (9) inserts in the right hole of the 4th liang of fast insertion terminal of core (8), blue line (10)
Insert in the left hole of the 4th liang of fast insertion terminal of core (8)；Electromagnetic valve (27) is connected in air gas circuit, and electromagnetic valve (27) is obstructed
During electricity, air is entered into upper end gas circuit pipe (11) of electromagnetic valve (27) by right-hand member gas circuit pipe (28) of electromagnetic valve, by gas circuit three
Logical (31) connect supply hydrogen flame detector with the upper end of vapour lock (25)；During electromagnetic valve (27) energising, air is by electromagnetic valve (27)
Right-hand member gas circuit pipe (28) enter into left end gas circuit pipe (26) of electromagnetic valve (27) through vapour lock (25), with gas circuit threeway (31)
Supply hydrogen flame detector is connected with upper end gas circuit pipe (11).
Select resistance (3) and the pressure electrochemical capacitor (2) more than or equal to 50V of certain capacity of certain resistance, be allowed to when pressing
During button ignition switch (22), electrochemical capacitor (2) is charged to rapidly 24V, and audion (15) turns on, the first relay (6)
Being energized adhesive with the second relay (7), common port leads to normally opened termination simultaneously, and the ignition wire (24) being attached thereto connects exchange
1.5V is lit, and electromagnetic valve (27) is connected and action with 24V, and air is entered into electricity by right-hand member gas circuit pipe (28) of electromagnetic valve
Left end gas circuit pipe (26) of magnet valve supplies hydrogen flame detector through vapour lock (25), and now air mass flow is substantially reduced；Unclamp a little
During fire button (22), electrochemical capacitor (2) is discharged, about through 6 seconds by the emitter stage of resistance (3) with audion (15)
Clock, discharges into about 0.7V, and hydrogen is ignited in this process, audion (15) end, the first relay (6) with
Coil (5) power-off simultaneously of the second relay (7), diode (4) afterflow, the coil (5) of protective relay, common port with
Normally opened end disconnects, and ignition wire (24) is extinguished and through normal-closed end ground connection, it is to avoid the ignition wire (24) interference to hydrogen flame detector, electricity
Magnet valve (27) sets back, and air rises to normal discharge.
Claims (1)
1. a gas chromatograph automatic ignition device, is characterized in that: use one block of control circuit plate, button ignition switch, one
Ignition wire, air vapour lock switching solenoid valve, line related and line composition；One NPN audion of concrete employing, base stage connects
One current-limiting resistance, the other end of resistance and the positive pole of an electrochemical capacitor are connected and link a jack end of first liang of fast insertion terminal of core,
Another jack end and two core binding posts "+" end is connected, and receive the positive pole of direct current 24V in chromatograph, button ignition switch
Two ends connect two wires respectively, and the other end of two wires inserts in two jacks of first liang of fast insertion terminal of core respectively；Described three
The emitter stage of pole pipe is connected with the negative pole of electrochemical capacitor and links the "-" end of two core binding posts i.e., and that receives in chromatograph is straight
The negative pole of stream 24V；The colelctor electrode of described audion receives two direct current 24V duplex relay that is first relays and the second relay
Just, the just negative with diode of the first relay and the second relay coil connects and receives a negative and diode of device coil
Two core binding posts "+" end；Two common ports of the first relay, respectively with two jack end phases of second liang of fast insertion terminal of core
Even, two metal lead wires of ignition wire insert in two jacks of second liang of fast insertion terminal of core respectively, two normally opened ends, respectively with the
Two jack ends of three liang of fast insertion terminals of core are connected, and the two ends of the exchange 1.5V of chromatograph transformator are passed through twin conductor and inserted the respectively
In two jacks of three liang of fast insertion terminals of core, two normal-closed end ground connection；Two common ports of the second relay connect two core terminals respectively
Son "+" and "-", two normally opened ends, it is connected with two jack ends of the 4th liang of fast insertion terminal of core respectively, two controls of electromagnetic valve
In the jack of the corresponding polarity that line processed inserts the 4th liang of fast insertion terminal of core respectively；Electromagnetic valve is connected in air gas circuit, and electromagnetic valve is not
During energising, air is entered into the upper end gas circuit pipe of electromagnetic valve by the right-hand member gas circuit pipe of electromagnetic valve, with the upper end of gas circuit threeway Yu vapour lock
Connection supply hydrogen flame detector；During solenoid valves, air is entered into the left end gas circuit of electromagnetic valve by the right-hand member gas circuit pipe of electromagnetic valve
Pipe through vapour lock, connects supply hydrogen flame detector with gas circuit threeway with upper end gas circuit pipe；Select resistance and a constant volume of certain resistance
Measuring the pressure electrochemical capacitor more than or equal to 50V, be allowed to when pressing button ignition switch, electrochemical capacitor is charged to rapidly 24V, and three
The conducting of pole pipe, the first relay and the second relay be energized adhesive simultaneously, and common port is logical with normally opened termination, the igniting being attached thereto
Wire connection logical exchange 1.5V is lit, and electromagnetic valve is connected and action with 24V, and air is entered into electromagnetism by the right-hand member gas circuit pipe of electromagnetic valve
The left end gas circuit pipe of valve supplies hydrogen flame detector through vapour lock, and air mass flow is substantially reduced；When unclamping button ignition switch, electrochemical capacitor
Being discharged by the emitter stage of resistance with audion, about through 6 seconds, discharge into about 0.7V, hydrogen is in this process by point
Combustion, audion ends, and the first relay and the power-off simultaneously of the second relay, diode plays afterflow effect, the line of protective relay
Circle, common port disconnects with normally opened end, and ignition wire is extinguished and through normal-closed end ground connection, it is to avoid the ignition wire interference to hydrogen flame detector,
Electromagnetic valve sets back, and air rises to normal discharge, is i.e. maintained at prefiring flow, and hydrogen is protected the most all the time
Hold constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410836026.XA CN105889979B (en) | 2014-12-26 | 2014-12-26 | Automatic ignition device of gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410836026.XA CN105889979B (en) | 2014-12-26 | 2014-12-26 | Automatic ignition device of gas chromatograph |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105889979A true CN105889979A (en) | 2016-08-24 |
| CN105889979B CN105889979B (en) | 2020-06-12 |
Family
ID=56701511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410836026.XA Active CN105889979B (en) | 2014-12-26 | 2014-12-26 | Automatic ignition device of gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105889979B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106681395A (en) * | 2017-03-10 | 2017-05-17 | 北京兴达奇热工控制设备有限公司 | Intelligent burner nozzle flame temperature controller |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2616907Y (en) * | 2003-05-07 | 2004-05-19 | 上海海欣色谱仪器有限公司 | Gaseous phase chromatograph with three detectors |
| JP2005274394A (en) * | 2004-03-25 | 2005-10-06 | Shimadzu Corp | Gas chromatograph detector |
| CN201130174Y (en) * | 2007-12-25 | 2008-10-08 | 上海神开石油化工装备股份有限公司 | Gas chromatograph system |
| CN202149507U (en) * | 2011-07-19 | 2012-02-22 | 天津陆海石油设备系统工程有限责任公司 | Automatic ignition device for gas chromatograph FID (Flame Ionization Detector) |
| CN203964005U (en) * | 2014-02-10 | 2014-11-26 | 四川欧瑞迪能源有限公司 | A kind of automatic ignitor circuit for gas-cooker |
| CN204372986U (en) * | 2014-12-26 | 2015-06-03 | 山东鲁南瑞虹化工仪器有限公司 | A kind of gas chromatograph automatic ignition device |
-
2014
- 2014-12-26 CN CN201410836026.XA patent/CN105889979B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2616907Y (en) * | 2003-05-07 | 2004-05-19 | 上海海欣色谱仪器有限公司 | Gaseous phase chromatograph with three detectors |
| JP2005274394A (en) * | 2004-03-25 | 2005-10-06 | Shimadzu Corp | Gas chromatograph detector |
| CN201130174Y (en) * | 2007-12-25 | 2008-10-08 | 上海神开石油化工装备股份有限公司 | Gas chromatograph system |
| CN202149507U (en) * | 2011-07-19 | 2012-02-22 | 天津陆海石油设备系统工程有限责任公司 | Automatic ignition device for gas chromatograph FID (Flame Ionization Detector) |
| CN203964005U (en) * | 2014-02-10 | 2014-11-26 | 四川欧瑞迪能源有限公司 | A kind of automatic ignitor circuit for gas-cooker |
| CN204372986U (en) * | 2014-12-26 | 2015-06-03 | 山东鲁南瑞虹化工仪器有限公司 | A kind of gas chromatograph automatic ignition device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106681395A (en) * | 2017-03-10 | 2017-05-17 | 北京兴达奇热工控制设备有限公司 | Intelligent burner nozzle flame temperature controller |
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| CN105889979B (en) | 2020-06-12 |
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