CN209264660U - A kind of gas chromatograph is automatically drawn into the device of sample - Google Patents
A kind of gas chromatograph is automatically drawn into the device of sample Download PDFInfo
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- CN209264660U CN209264660U CN201821941860.5U CN201821941860U CN209264660U CN 209264660 U CN209264660 U CN 209264660U CN 201821941860 U CN201821941860 U CN 201821941860U CN 209264660 U CN209264660 U CN 209264660U
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Abstract
The utility model relates to the devices that a kind of gas chromatograph is automatically drawn into sample, including chromatograph host, the chromatograph is connected with sample suction apparatus, sample suction apparatus includes pyrolysis analyzer and cold hydrazine, it is pyrolyzed analyzer and cold hydrazine is connected by air inlet pipe, cold hydrazine is linked together by escape pipe and chromatograph host, valve is mounted in the air inlet pipe and an air outlet pipe, gas collecting device is installed on the chromatograph host, gas collecting device includes casing, six-way valve, snorkel and aspiration pump, six-way valve is provided in casing, the six-way valve includes main flow pipe and Zhi Liuguan, the Zhi Liuguan is connected to escape pipe, snorkel is connected with below the main flow pipe, aspiration pump is installed on the snorkel, detection device is installed in the chromatograph host, snorkel links together with detection device.The utility model can automatically suck sample gas inside chromatograph, and can achieve the effect that a variety of sample gas of one-time detection.
Description
Technical field
The utility model relates to chromatograph technical fields, and the dress of sample is automatically drawn into more particularly, to a kind of gas chromatograph
It sets.
Background technique
Gas chromatograph refers to the chromatography instrument for using gas as mobile phase.Its principle mainly utilizes substance
The difference of boiling point, polarity and adsorption property realizes the separation of mixture.Sample to be analysed is after vaporizer gasification by inert gas
(i.e. carrier gas, also known as mobile phase) is brought into chromatographic column, and liquid or solid stationary phase is contained in column, and each component tends in sample
Distribution or adsorption equilibrium are formed between mobile phase and stationary phase.With the flowing of carrier gas, sample component carries out instead during exercise
Multiple multiple distribution or adsorption/desorption distribute the big component of concentration in carrier gas and first flow out chromatographic column, and distribute in stationary phase
It is flowed out after the big component of concentration.Group is measured after distributing chromatographic column into detector.
Existing gas chromatograph needs manually to squeeze into sample gas inside chromatograph mostly, and can only once examine
A kind of sample gas is surveyed, working efficiency is lower.
Utility model content
The purpose of the utility model is to provide the devices that a kind of gas chromatograph is automatically drawn into sample, and having can be automatic
Sample gas is sucked inside chromatograph, and can achieve the effect that a variety of sample gas of one-time detection.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of gas chromatograph is automatically drawn into the device of sample, including chromatograph host, and the chromatograph is connected with sample
Suction apparatus, sample suction apparatus include pyrolysis analyzer and cold hydrazine, and pyrolysis analyzer connects cold hydrazine by air inlet pipe, and cold hydrazine is by going out
Tracheae links together with chromatograph host, is mounted on valve in the air inlet pipe and an air outlet pipe, pacifies on the chromatograph host
Equipped with gas collecting device, gas collecting device includes casing, six-way valve, snorkel and aspiration pump, and it is logical that six are provided in casing
Valve, the six-way valve include main flow pipe and Zhi Liuguan, and the Zhi Liuguan is connected to escape pipe, are connected with ventilation below the main flow pipe
It manages, aspiration pump is installed on the snorkel, detection device is installed in the chromatograph host, snorkel is connect with detection device
Together.
Pyrolysis analyzer by using above-mentioned technical proposal, when needing to carry out sample gas detection, in sample suction apparatus
Gas to be detected sucking is stored, when needing to detect, pyrolysis analyzer is connect with air inlet pipe, opens the valve in air inlet pipe
Door, closes the valve on escape pipe, and the gas then solved in analyzer is entered in cold hydrazine under the action of cold hydrazine by air inlet pipe, when
When reaching the amount for needing to detect into the gas in cold hydrazine, the valve in air inlet pipe is closed, opens the valve on escape pipe, cold hydrazine
In gas entered in the Zhi Liuguan of six-way valve by escape pipe, gas enters main flow pipe by Zhi Liuguan, connects on snorkel
The aspiration pump connect extracts the gas in main flow pipe out, and last gas, which enters in detection device, to be detected；
Each Zhi Liuguan of six-way valve can be communicated with a sample suction apparatus, the pyrolysis analyzer in sample suction apparatus
Different gaseous samples is stored, gas collecting device is entered to control by the valve on escape pipe in sample suction apparatus
In gas, so that achieving the effect that being capable of a variety of sample gas of one-time detection.
The utility model is further arranged to: the chromatograph host includes shell and detection device, detection device installation
Inside the housing, which includes chromatographic column, detector and master control borad, and the snorkel is connected together with chromatographic column,
The other end connecting detection device of chromatographic column, the described detector are connect with master control borad.
By using above-mentioned technical proposal, the gas in main flow pipe is entered in chromatographic column by snorkel, is then passed through
Detector detection, will test result and is sent in master control borad, and when needing to detect another sample gas, closing is being examined
Gas in main flow pipe is completely withdrawn from by the valve where the sample gas of survey on escape pipe, aspiration pump, then turns on other one
The valve on escape pipe, that is, replaceable gas detection in a sample suction apparatus, the device are passed into chromatography by valve control
Gas with various sample in instrument, to achieve the effect that a variety of sample gas of one-time detection, it is not necessary that gas is manually squeezed into chromatography
Instrument, it is convenient and efficient, manpower is saved, working efficiency is improved.
The utility model is further arranged to: the cold hydrazine is made of glass tube, piston and collet, setting in the glass tube
There is piston, handle is installed on piston, which is coated with collet, is provided with water inlet and water outlet on the collet
Mouthful.
By using above-mentioned technical proposal, using on collet water inlet and water outlet to pouring medium water inside collet,
So that the temperature of glass tube declines, so that the gas stored in pyrolysis analyzer enters in glass tube, piston is in gas
It moves up under effect, when needing the gas in glass tube being sent into gas collecting device, closes in air inlet pipe in a glass tube
Valve, open escape pipe on valve, using handle push piston so that the gas in glass tube is entered by escape pipe
In gas collecting device.
The utility model is further arranged to: being provided with scale on the collet.
By using above-mentioned technical proposal, using the scale on collet, with piston move up in a glass tube can
With the scale being moved to by observing piston, to judge the amount of gas in glass tube.
The utility model is further arranged to: the gas collecting device is connected on the shell of chromatograph host, and gas
Station is set above the shell on the left of body acquisition device, which is rotatably connected to display.
By using above-mentioned technical proposal, using the running of station control whole equipment, display is used to show detection
As a result.
The utility model is further arranged to: the display is made of display screen and timing bench, timing bench setting
Side on a display screen.
By using above-mentioned technical proposal, display screen can show testing result, and timing bench help calculates detection duration.
The utility model is further arranged to: the interior of shell is equipped with mobile power source, the mobile power source respectively with inspection
Survey device, master control borad, station, aspiration pump and display electrical connection.
By using above-mentioned technical proposal, mobile power source is that detector, master control borad, station, aspiration pump and display mention
For electric energy.
The utility model is further arranged to: the front of the shell is provided with drawer, and the side of shell is equipped with handle.
By using above-mentioned technical proposal, article needed for can operating in drawer is placed on inside, is conducive to operate, pass through
Handle can withdraw whole device, can be extremely convenient with band with walking
In conclusion the advantageous effects of the utility model are as follows:
1. different sample gas successively can be passed into chromatograph by the setting of six-way valve, so that Danone is enough
The a variety of sample gas of one-time detection, and the setting of cold hydrazine can will automatically be pyrolyzed the gas stored in analyzer and be passed into chromatograph
In, it is convenient and efficient, manpower is saved, working efficiency is improved；
2. being provided with scale in cold hydrazine on glass tube, the amount of gas required for detecting can be very easily extracted, so that
It detects more accurate.
3. article needed for can operating is placed on inside by the setting of drawer, be conducive to operate.
Detailed description of the invention
Fig. 1 is the device overall structure diagram that a kind of gas chromatograph of the utility model is automatically drawn into sample；
Fig. 2 is the device sectional view that a kind of gas chromatograph of the utility model is automatically drawn into sample；
Fig. 3 is the chromatograph main machine structure signal for the device that a kind of gas chromatograph of the utility model is automatically drawn into sample
Figure；
Fig. 4 is the cold hydrazine planing surface figure for the device that a kind of gas chromatograph of the utility model is automatically drawn into sample.
In figure: 1, chromatograph host；2, sample suction apparatus；21, it is pyrolyzed analyzer；22, cold hydrazine；221, glass tube；222,
Piston；223, collet；224, water inlet；225, water outlet；226, handle；3, air inlet pipe；4, escape pipe；5, gas collecting fills
It sets；6, casing；7, six-way valve；71, main flow pipe；72, Zhi Liuguan；8, snorkel；9, detection device；91, chromatographic column；92, it detects
Device；93, master control borad；10, aspiration pump；11, valve；12, station；13, display；14, timing bench；15, display screen；16,
Mobile power source；17, handle；18, drawer；19, shell.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Fig.1, include chromatograph for a kind of device that gas chromatograph is automatically drawn into sample disclosed by the utility model
Host 1 and the sample suction apparatus 2 to link together with chromatograph host 1, the sample suction apparatus 2 is by pyrolysis analyzer 21 and cold
Hydrazine 22 forms, and is pyrolyzed between analyzer 21 and cold hydrazine 22 and is connected by air inlet pipe 3, cold hydrazine 22 connects chromatograph master by escape pipe 4
Machine 1, in the present embodiment, air inlet pipe 3 and escape pipe 4 are rubber hose, and are provided on the inside of air inlet pipe 3 and escape pipe 4
Corrosion-resistant coating and thermal insulation layer.
Referring to Fig.1, it is mounted on valve 11 on the air inlet pipe 3 and escape pipe 4, in the present embodiment, valve 11 can be with
It is instead able to the solenoid valve automatically controlled.
Referring to Fig. 4, cold hydrazine 22 includes glass tube 221, piston 222 and collet 223, is provided with piston in glass tube 221
222, handle 226 is installed on piston 222, which is coated with collet 223, is provided on the collet 223
Water inlet 224 and water outlet 225 are provided with water storage interlayer, water inlet 224 and water outlet in the present embodiment in collet 223
225 are connected to water storage interlayer, and collet 223 is made of transparent rubber, and scale, scale are provided on the outer surface of collet 223
Gas flow when wound is labeled with piston 222 at the position in glass tube 221.
Referring to Fig. 2 and Fig. 3, gas collecting device 5 is made of casing 6, six-way valve 7, snorkel 8 and aspiration pump 10, casing 6
It is inside provided with six-way valve 7, six-way valve 7 is made of main flow pipe 71 and Zhi Liuguan 72, and the Zhi Liuguan 72 is connected to escape pipe 4, institute
It states and is connected with snorkel 8 below main flow pipe 71, aspiration pump 10 is installed on the snorkel 8, in the present embodiment, six-way valve 7 is
Steam hose.
Referring to Fig. 2 and Fig. 3, chromatograph host 1 includes shell 19 and detection device 9, and detection device 9 is mounted in shell 19
Portion, the detection device 9 are made of chromatographic column 91, detector 92 and master control borad 93, and snorkel 8 is connected in chromatographic column 91, chromatography
The other end connecting detection device 92 of column 91, the described detector 92 are connect with master control borad 93.
Referring to Fig. 3, station 12, the station 12 rotation connection are set above the shell 19 in 5 left side of gas collecting device
There is display 13, in the present embodiment, station 12 is rotatably connected with display 13 by shaft.
Referring to Fig. 3, display 13 is made of display screen 15 and timing bench 14, in this example it is shown that 15 top of screen
It is provided with timing bench 14, which can be stopwatch or other are capable of the device of accurate recording of time.
Referring to Fig. 2 and Fig. 3, mobile power source 16 is installed inside shell 19, the mobile power source 16 respectively with detector 92, main
It controls plate 93, station 12, aspiration pump 10 and display 13 to be electrically connected, in the present embodiment, mobile power source 16 is battery, can also
Think that other are capable of providing the power supply device of electric energy, and be provided with charge port on the mobile power source 16, charge port is fixed on casing 6
On, it can charge for mobile power source 16, aspiration pump 10 is connect by electric line with station 12, and being provided on station 12 can
Control the button switch that aspiration pump 10 starts.
Referring to Fig. 3, the front of shell 19 is provided with drawer 18, and the side of shell 19 is equipped with handle 17.
The implementation principle of the present embodiment are as follows: pyrolysis analyzer when needing to carry out sample gas detection, in sample suction apparatus 2
21 store gas to be detected sucking, when needing to detect, pyrolysis analyzer 21 are connect with air inlet pipe 3, opens air inlet pipe 3
On valve 11, close the valve 11 on escape pipe 4, utilize water inlet 224 on collet 223 in cold hydrazine 22 and water outlet 225
Medium water is poured inside to collet 223, so that the temperature of glass tube 221 declines, so that the gas stored in pyrolysis analyzer 21
Body enters in glass tube 221, and piston 222 is moved up in glass tube 221 under the influence of gas, as piston 222 is in glass
Moved up in glass pipe 221 can be by observing the scale that be moved to of piston 222, to judge gas in glass tube 221
Amount, need by glass tube 221 gas be sent into gas collecting device 5 when, close air inlet pipe 3 on valve 11, open out
Valve 11 on tracheae 4 pushes piston 222 using handle 226, so that the gas in glass tube 221 is entered by escape pipe 4
In the Zhi Liuguan 72 of six-way valve 7；
Gas enters main flow pipe 71 by Zhi Liuguan 72, and the aspiration pump 10 connected on snorkel 8 is by the gas in main flow pipe 71
Body extraction, last gas enter in detection device 9, and the gas in main flow pipe 71 is entered in chromatographic column 91 by snorkel 8, with
It is detected afterwards by detector 92, will test result and be sent in master control borad 93, when needing to detect another sample gas,
Valve 11 where closing the sample gas detected on escape pipe 4, aspiration pump 10 take out the gas in main flow pipe 71 completely
From then turning on the i.e. replaceable gas detection of valve 11 on the escape pipe 4 in another sample suction apparatus 2, the device
The gas with various sample being passed into chromatograph is controlled by valve 11, to reach the effect of a variety of sample gas of one-time detection
Fruit, it is convenient and efficient it is not necessary that gas is manually squeezed into chromatograph, manpower is saved, working efficiency is improved.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of gas chromatograph is automatically drawn into the device of sample, including chromatograph host (1), it is characterised in that: the chromatography
Instrument is connected with sample suction apparatus (2), and sample suction apparatus (2) includes pyrolysis analyzer (21) and cold hydrazine (22), is pyrolyzed analyzer
(21) by air inlet pipe (3) connection cold hydrazine (22), cold hydrazine (22) is linked together by escape pipe (4) with chromatograph host (1),
It is mounted on valve (11) on the air inlet pipe (3) and escape pipe (4), chromatograph host is equipped with gas collecting device on (1)
(5)；
Gas collecting device (5) includes casing (6), six-way valve (7), snorkel (8) and aspiration pump (10), setting in casing (6)
There are six-way valve (7), which includes main flow pipe (71) and Zhi Liuguan (72), and the Zhi Liuguan (72) and escape pipe (4) are even
It is logical, snorkel (8) are connected with below the main flow pipe (71), aspiration pump (10), the chromatograph are installed on the snorkel (8)
It is equipped with detection device (9) in host (1), snorkel (8) links together with detection device (9).
2. the device that a kind of gas chromatograph according to claim 1 is automatically drawn into sample, it is characterised in that: the chromatography
Instrument host (1) includes shell (19) and detection device (9), and detection device (9) is mounted on shell (19) inside, the detection device
It (9) include chromatographic column (91), detector (92) and master control borad (93), the snorkel (8) is connected together with chromatographic column (91),
The other end connecting detection device (92) of chromatographic column (91), the described detector (92) are connect with master control borad (93).
3. the device that a kind of gas chromatograph according to claim 2 is automatically drawn into sample, it is characterised in that: the cold hydrazine
(22) it is made of glass tube (221), piston (222) and collet (223), is provided with piston (222) in the glass tube (221), it is living
Handle (226) are installed on plug (222), which is coated with collet (223).
4. the device that a kind of gas chromatograph according to claim 3 is automatically drawn into sample, it is characterised in that: the collet
(223) scale is provided on.
5. the device that a kind of gas chromatograph according to claim 4 is automatically drawn into sample, it is characterised in that: the gas
Acquisition device (5) is connected on the shell (19) of chromatograph host (1), and on the shell (19) on the left of sample suction apparatus (2)
Side's setting station (12), the station (12) are rotatably connected to display (13).
6. the device that a kind of gas chromatograph according to claim 5 is automatically drawn into sample, it is characterised in that: the display
Device (13) is made of display screen (15) and timing bench (14), and timing bench (14) setting is above display screen (15).
7. the device that a kind of gas chromatograph according to claim 6 is automatically drawn into sample, it is characterised in that: the shell
(19) internal that mobile power source (16) are installed, the mobile power source (16) respectively with detector (92), master control borad (93), station
(12), aspiration pump (10) and display (13) electrical connection.
8. the device that a kind of gas chromatograph according to claim 7 is automatically drawn into sample, it is characterised in that: the shell
(19) front is provided with drawer (18), and the side of shell (19) is equipped with handle (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821941860.5U CN209264660U (en) | 2018-11-22 | 2018-11-22 | A kind of gas chromatograph is automatically drawn into the device of sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821941860.5U CN209264660U (en) | 2018-11-22 | 2018-11-22 | A kind of gas chromatograph is automatically drawn into the device of sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209264660U true CN209264660U (en) | 2019-08-16 |
Family
ID=67563726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821941860.5U Active CN209264660U (en) | 2018-11-22 | 2018-11-22 | A kind of gas chromatograph is automatically drawn into the device of sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209264660U (en) |
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2018
- 2018-11-22 CN CN201821941860.5U patent/CN209264660U/en active Active
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