CN206399905U - Oxygen detection instrument - Google Patents
Oxygen detection instrument Download PDFInfo
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- CN206399905U CN206399905U CN201620816315.8U CN201620816315U CN206399905U CN 206399905 U CN206399905 U CN 206399905U CN 201620816315 U CN201620816315 U CN 201620816315U CN 206399905 U CN206399905 U CN 206399905U
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Abstract
The utility model is related to a kind of oxygen detection instrument.Oxygen detection instrument is used for the content for detecting oxygen in gaseous sample, it includes sample introduction module, separation module and detection module, sample introduction module is used to gaseous sample to be detected being input in separation module, separation module is used for the oxygen separation in gaseous sample, detection module is used to detect content of the oxygen isolated in gaseous sample, sample introduction module includes inert gas source, and inert gas source is disposable, for providing carrier gas.Because the inert gas source for providing carrier gas is disposable, volume is smaller, therefore the small volume of oxygen detection instrument so that it is easy to carry, and can carry with the place such as accident treatment scene and carry out Site Detection.
Description
Technical field
The utility model is related to a kind of gas analyzing apparatus, in particular it relates to a kind of oxygen detection instrument.
Background technology
, it is necessary to which the content of oxygen is carried out in air in emergency management and in the case of being engaged in Working in confined space
Detection.Existing oxygen detection instrument is divided into two kinds of electrochemical sensor detector and gas chromatograph.
Electrochemical sensor detector is reacted and produced and oxygen by the chemical substance in sensor and oxygen
The principle for the electric signal that concentration is directly proportional carrys out work.But electrochemical sensor detector determine oxygen resultant error compared with
Greatly, sensor service life is short so that measurement result is inaccurate；It can only directly read data simultaneously, it is impossible to retain original survey
Fixed number evidence so that Original Analytical Data is easily lost, can not traced to the source.
And gas chromatograph is the detecting instrument designed based on gas-chromatography separation principle.Existing gas chromatograph is as schemed
Shown in 1, it includes sample introduction module 20, separation module 30, detection module 40, data processing module 50 and display module 60；Its
In, sample introduction module 20 includes pressure gas cylinder, and pressure gas cylinder is used to be filled with inert gas into sample introduction module 20；Point
Include chromatographic column 31 from module 30, for the oxygen separation in gaseous sample to be come out；Sample introduction module 20 is used for gas sample
Product at the uniform velocity and are quantitatively added to the upper end of chromatographic column 31；The oxygen that detection module 40 is used to separate separation module 30 is changed into
Electric signal；The electric signal progress Data Analysis Services that data processing module 50 is used to export detection module 40 obtain gaseous sample
Chromatogram；Display module 60 is used for the testing result for showing gas chromatograph.
Although gas chromatograph is compared with the infrared oxygen analyzer of not light splitting, its measurement accuracy to oxygen is high, and energy
Enough permanent reservation Original Analytical Datas.But the pressure gas cylinder of the sample introduction module 20 of existing gas chromatograph configuration is used for
More inert gas is accommodated, so as to be used for a long time so that its volume is larger to be carried, therefore it is generally necessary to scene is adopted
Lab analysis is taken back after collection gaseous sample, causing it to be not suitable for doing quickly, analysis and emergency management are used.
Utility model content
In order to improve the deficiencies in the prior art, the purpose of this utility model is the provision of a kind of oxygen detection instrument, to solve
Certainly the accuracy of detection of electrochemical sensor detector present in prior art is not high；The volume of gas chromatograph is larger to be taken
Band, it is impossible to the problem of being carried to emergency management Site Detection oxygen.
A kind of oxygen detection instrument is provided in embodiment of the present utility model, oxygen detection instrument is used to detect gaseous sample
The content of middle oxygen, it includes sample introduction module, separation module and detection module, and sample introduction module includes inert gas source, inertia
Gas source is used to be input in separation module with certain flow velocity carrier band gaseous sample to be detected to provide carrier gas, carrier gas,
Separation module is used for the oxygen separation in gaseous sample, and detection module is used to detect the oxygen isolated in gaseous sample
Content, inert gas source is disposable.
Preferably, the volume of inert gas source is no more than 0.5 liter.
Preferably, separation module includes being filled with molecular sieve, of length no more than the 1.5 of chromatographic column in chromatographic column, chromatographic column
Rice, the diameter that chromatographic column coiling is circularized is no more than 50 millimeters.
Preferably, oxygen detection instrument also includes display module, and display module is used for the detection knot for showing oxygen detection instrument
Really.
Preferably, detection module includes thermal conductivity detector (TCD) and chromatographic work station, and thermal conductivity detector (TCD) is used in gaseous sample
The oxygen isolated is converted to electric signal input chromatographic work station, and chromatographic work station is used for the electric signal exported to thermal conductivity detector (TCD)
Carry out the chromatogram that Data Analysis Services obtain gaseous sample；Chromatographic work station is connected by USB interface with display module.
Preferably, detection module includes thermal conductivity detector (TCD) and chromatographic work station, and thermal conductivity detector (TCD) is used in gaseous sample
The oxygen isolated is converted to electric signal input chromatographic work station, and chromatographic work station is used for the electric signal exported to thermal conductivity detector (TCD)
Carry out the chromatogram that Data Analysis Services obtain gaseous sample；Chromatographic work station is connected by way of being wirelessly transferred with display module
Connect.
Preferably, the display module is portable display.
Preferably, the portable display is tablet personal computer.
Preferably, sample introduction module also includes inflatable component, the first adjusting part, the second adjusting part, Flow-rate adjustment component
And sample introduction module；Inflatable component includes gas-charging connection and gas-filled switching tube, and inflatable component is connected with the first adjusting part, inflatable component
For being inflated into inert gas source；First adjusting part includes first gas regulating valve and first pressure table, the first regulation group
One end of part is connected with inert gas source, and the other end of the first adjusting part is connected with inflatable component, and first gas regulating valve is used
In the pressure of regulation inert gas source, first pressure table is used for the pressure for showing inert gas source；Second adjusting part includes the
Two gas control valves and second pressure table, one end of the second adjusting part are connected with inflatable component, the second adjusting part it is another
End is connected with Flow-rate adjustment component, and second gas regulating valve is used for the system pressure for stablizing the oxygen detection instrument, second pressure
Table is used for the pressure for showing oxygen detection instrument；Flow-rate adjustment component includes spinner flowmeter and flow control valve, spinner flowmeter
Enter the speed of oxygen detection instrument for measuring gaseous sample, flow control valve is used to adjust gaseous sample into oxygen detection instrument
Speed；Sample introduction module includes sample introduction six-way valve and quantitative sample injection pipe, and one end of sample introduction module is connected with Flow-rate adjustment component, entered
The other end of sample component is connected with separation module；Gaseous sample is filled with oxygen detection instrument by sample introduction six-way valve, quantitative sample injection
Manage the actual sample size for determining gaseous sample.
Preferably, oxygen detection instrument also includes temperature control modules, and temperature control modules are connected with detection module, for controlling
The system temperature of oxygen detection instrument processed.
The oxygen detection instrument that the utility model is provided, sample introduction module includes inert gas source, and inert gas source is to carry
For carrier gas, carrier gas is used to be input in separation module with certain flow velocity carrier band gaseous sample to be detected, and inert gas source is
Disposably.Because the inert gas source for providing carrier gas is disposable, volume is smaller, therefore the volume of oxygen detection instrument
It is smaller so that it is easy to carry, the place such as accident treatment scene can be carried with and carry out Site Detection.Therefore, oxygen is examined
Surveying the pressure gas cylinder for the carrier gas module configuration that instrument solves existing gas chromatograph is used to accommodate more inert gas,
So as to be used for a long time, cause its volume is larger can not carry, it is impossible to do quick analysis and accident emergency in the scene of being carried to
The problem of processing is used.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of existing gas chromatograph；
The structural representation for the oxygen detection instrument that Fig. 2 provides for the utility model embodiment；
Fig. 3 is the structural representation of the first alternate embodiment of the oxygen detection instrument shown in Fig. 2；
Fig. 4 is the structural representation of the sample introduction module of the oxygen detection instrument shown in Fig. 2；
Fig. 5 is the structural representation of second of alternate embodiment of the oxygen detection instrument shown in Fig. 2.
Wherein, reference is：
20：Sample introduction module；
30：Separation module；
40：Detection module；
50：Data processing module；
60：Display module；
21：Inert gas source；
22：Inflatable component；
220：Gas-charging connection；
221：Gas-filled switching tube；
23：First adjusting part；
230：First gas regulating valve；
231：First pressure table；
24：Second adjusting part；
240：Second gas regulating valve；
241：Second pressure table；
25：Spinner flowmeter；
26：Sample introduction module；
260：Sample introduction six-way valve；
261：Quantitative sample injection pipe；
31：Chromatographic column；
70：Temperature control modules.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, the orientation or position relationship of the instruction such as term " on ", " under "
Described based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying, without referring to
Show or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for describing purpose, and it can not manage
Solve to indicate or imply relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term is " even in description of the present utility model
It is logical ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in utility model.
The utility model provides a kind of oxygen detection instrument, and provides embodiments thereof.As shown in Fig. 2 the oxygen detection
Instrument is used for the content for detecting oxygen in gaseous sample, and it includes sample introduction module 20, separation module 30 and detection module 40, enters original mold
Block 20 includes inert gas source 21, and inert gas source 21 is to be checked for being carried with certain flow velocity to provide carrier gas, carrier gas
The gaseous sample of survey is input in separation module 30, and separation module 30 is used for the oxygen separation in gaseous sample, detection module
40 are used to detect content of the oxygen isolated in gaseous sample, and inert gas source 21 is disposable.The effect of carrier gas is
Separated together into separation module 30 with certain flow velocity carrier band gaseous sample, then each component after being separated is loaded into inspection
Module 40 is surveyed to be detected.Because the inert gas source 21 for providing carrier gas is disposable, volume is smaller, therefore oxygen is examined
Survey the small volume of instrument so that it is easy to carry, the place such as accident treatment scene can be carried with and carry out Site Detection.Cause
This, oxygen detection instrument can solve the problem that the pressure gas cylinder of the carrier gas module configuration of existing gas chromatograph is more for accommodating
Inert gas, so as to be used for a long time, cause its volume is larger can not carry, it is impossible to the scene of being carried to do quick analysis with
And emergency management is the problem of use.
Specifically, the volume of inert gas source 21 is no more than 0.5 liter.When the volume of inert gas source 21 is no more than 0.5 liter
When, oxygen detection instrument now at least can carry out one-time detection to gaseous sample.The carrier gas module of existing gas chromatograph
The volume of the pressure gas cylinder configured is usually 40 liters, and the volume of the inert gas source 21 of oxygen detection instrument is by comparison
It is much smaller so that oxygen detection instrument, which is easily facilitated, to be carried with.Inert gas source 21 can be minitype high voltage gas bomb, together
When difference according to the operation principle of detection module 40, carrier gas that inert gas source 21 is provided participates in detection module 40 and contains component
The effect degree that amount is converted to electric signal is also different.Therefore, carrier gas has extremely important for the normal operating of oxygen detection instrument
Gas in effect, inert gas source 21 can be helium.
Specifically, separation module 30 includes being filled with molecular sieve in chromatographic column 31, chromatographic column 31, and the length of chromatographic column 31 is not
More than 1.5 meters, chromatographic column 31 coils the diameter circularized and is no more than 50 millimeters.The core of separation module 30 is chromatographic column 31,
The effect of chromatographic column 31 is that multi-component gaseous sample is separated into single component input detection module 40.Enter to gaseous sample
During row separation, gaseous sample to be detected injects the top of chromatographic column 31 in the presence of carrier gas, and gaseous sample is in chromatographic column 31
It is the difference based on macroscopic property to be able to separate.Silica gel has different affinities from each component in gaseous sample, works as load
Gas with gaseous sample continually by chromatographic column 31 when, the big component of affinity translational speed in chromatographic column 31 is slow because
Affinity mean greatly silica gel hold it strength it is big；The small then movement of affinity is fast.For example, gaseous sample is by 3 components
The mixture of A, B, C composition.When carrier gas just brings them into chromatographic column 31, three is thoroughly mixed；By certain time,
I.e. carrier gas is passed by after a segment distance with them in chromatographic column 31, and three is initially separated；It is further continued for advancing, three just separates
Open.Silica gel is A to their affinity>B>C, therefore translational speed is C>B>A.The component C walked up front is initially entered immediately
Detection module 40 after chromatographic column 31, then B and A also sequentially enter detector.
The diameter range for the chromatographic column 31 that oxygen detection instrument is selected is 3-6 millimeters, and chromatographic column 31 is coiled to the mesh circularized
Be reduce chromatographic column 31 shared by volume, flowed while being also beneficial to carrier gas in chromatographic column 31.Existing gas phase color
The length of chromatographic column 31 selected by spectrometer is generally more than 2 meters, and the annular diameter that chromatographic column 31 is coiled into is not less than 150 millis
Rice, shared is sufficiently bulky, and the annular diameter that the chromatographic column 31 of oxygen detection instrument is coiled into is no more than 50 millimeters, so
Greatly reduce the volume of oxygen detection instrument so that it easily facilitates carrying.
Specifically, as shown in figure 3, oxygen detection instrument also includes display module 60, display module 60 is used to show oxygen
The testing result of detector.Display module 60 is connected with detection module 40, for the testing result of detection module 40 to be shown
Module 60 shows that the testing result is the chromatogram of the gaseous sample detected, and user can directly read detection
As a result, and original testing result can be retained so that original testing result is not allowed easy to lose.
Specifically, detection module 40 includes thermal conductivity detector (TCD) and chromatographic work station, and thermal conductivity detector (TCD) is used for gaseous sample
In the oxygen isolated be converted to electric signal input chromatographic work station, chromatographic work station is used for the telecommunications exported to thermal conductivity detector (TCD)
Number carrying out Data Analysis Services obtains the chromatogram of gaseous sample.Thermal conductivity detector (TCD) is that have different thermal conductivities based on gas with various
What the principle of rate was made, it includes conductance cell and heated filament, and conductance cell can be divided into reference cell and measuring cell.Thermal conductivity detector (TCD)
Heated filament there is the characteristic that resistance is varied with temperature, when there is a constant dc by conductance cell, heated filament be heated.Due to carrying
The conduction of heat of gas makes a part of heat of heated filament be taken away by carrier gas, and a part is transmitted to pond body.When heated filament produce heat with
When dissipated heat reaches balance, hot-wire temperature just stablizes in certain numerical value.Now, heated filament resistance is also stabilized in certain numerical value.By
What is be passed through in reference cell and measuring cell is all pure carrier gas, and same carrier gas has identical thermal conductivity, therefore the resistance value phase of two-arm
Together, bridge balance, no signal output, thermal conductivity detector (TCD) output is straight line.It is pure when there is gaseous sample to enter detector
Carrier gas flows through reference cell, and carrier gas carries the different component air-flow of gaseous sample through measuring cell, due to carrier gas and group to be detected
The thermal conductivity of point binary mixture is different with the thermal conductivity of pure carrier gas, heat dispersal situations thus is changed in measuring cell, makes ginseng
Than generating difference between heater resistance value in pond and measuring cell hole, electric bridge disequilibrium, thermal conductivity detector (TCD) has voltage signal defeated
Go out, chromatographic work station draws the chromatographic peak of respective components.The concentration of component to be detected is bigger in carrier gas, air heat in measuring cell
Conductance changes more notable, and temperature and resistance value change also more notable, and voltage signal is stronger.The voltage signal that now exports with
The concentration of gaseous sample is directly proportional, the quantitative basis of this exactly thermal conductivity detector (TCD).Thermal conductivity detector (TCD) is to given by each component
Signal, shows as peak one by one, referred to as chromatographic peak on chromatographic work station.Maximum on chromatographic peak be qualitative analysis according to
According to, and the area that chromatographic peak is covered then depends on the content of detected components, therefore peak area is the foundation of quantitative analysis.Therefore,
Analysis chromatogram can be obtained by qualitative analysis and the quantitative analysis results of gaseous sample.
Chromatographic work station is connected by USB interface with display module 60.The chromatographic work station of existing gas chromatograph is needed
To be connected by two longer data wires by serial port with display module 60, wiring is comparatively laborious, and oxygen detection instrument
Chromatographic work station is connected by USB interface with display module 60, and wiring is relatively more simple, and shared volume is smaller,
So that oxygen detection instrument easily facilitates carrying.
Alternately, chromatographic work station is connected by wireless transmission method with display module 60, and such connected mode is not
Need to carry wiring so that oxygen detection instrument easily facilitates carrying.
Specifically, display module 60 is portable display.The display module 60 of existing gas chromatograph is computer, meter
Volume shared by calculation machine is larger so that existing gas chromatograph can not be carried with, and the display module 60 of oxygen detection instrument
For portable display, the volume shared by display module 60 is substantially reduced so that oxygen detection instrument easily facilitates carrying.It is portable aobvious
It can be tablet personal computer to show device.
Specifically, as shown in figure 4, sample introduction module 20 also includes inflatable component 22, the first adjusting part 23, the second regulation group
Part 24, Flow-rate adjustment component and sample introduction module 26, sample introduction module 20 are used for the insufflation gas sample into oxygen detection instrument.Inflation group
Part 22 includes gas-charging connection 220 and gas-filled switching tube 221, and inflatable component 22 is connected with the first adjusting part 23, and inflatable component 22 is used
In the inflation into inert gas source 21, although the volume of inert gas source 21 is smaller, but can give lazy by inflatable component 22
Property gas source 21 is inflated so that oxygen detection instrument can be recycled, and gas-filled switching tube 221 is a change-over switch, gas during inflation
Road is connected to inert gas source 21, is inflated to inert gas source 21, and inflation terminates retrotorsion gas-filled switching tube 221 and causes gas circuit to be connected to inspection
Survey module 40；First adjusting part 23 includes first gas regulating valve 230 and first pressure table 231, the first adjusting part 23
One end is connected with inert gas source 21, and the other end of the first adjusting part 23 is connected with inflatable component 22, first gas regulating valve
230 pressure for adjusting inert gas source 21, first pressure table 231 is used for the pressure for showing inert gas source 21；Second adjusts
Saving component 24 includes second gas regulating valve 240 and second pressure table 241, one end and the inflatable component 22 of the second adjusting part 24
Connection, the other end of the second adjusting part 24 is connected with Flow-rate adjustment component, and second gas regulating valve 240 is pressure maintaining valve, is had
The function of stable oxygen detector system pressure, second pressure table 241 is used for the pressure for showing oxygen detection instrument；Flow-rate adjustment group
Part includes spinner flowmeter 25 and flow control valve, and spinner flowmeter 25 is used to measure the speed that gaseous sample enters oxygen detection instrument
Rate, flow control valve is used to adjust the speed that gaseous sample enters oxygen detection instrument；Sample introduction module 26 includes sample introduction six-way valve 260
With quantitative sample injection pipe 261, one end of sample introduction module 26 is connected with Flow-rate adjustment component, the other end and splitting die of sample introduction module 26
Block 30 is connected；Gaseous sample is filled with oxygen detection instrument by sample introduction six-way valve 260, and quantitative sample injection pipe 261 is used to determine gas
The actual sample size of sample.
Specifically, as shown in figure 5, oxygen detection instrument also includes temperature control modules 70, temperature control modules 70 and detection
Module 40 is connected, the system temperature for controlling oxygen detection instrument.Thermal module is used for the temperature for controlling and measuring oxygen detection instrument
Degree, is the important component of oxygen detection instrument, whole detection process is at certain temperature.
Alternately, the modules of oxygen detection instrument can be arranged in a cabinet so that it is more conveniently taken
Band.
The course of work of oxygen detection instrument is：Gaseous sample enters oxygen detection instrument by sample introduction module 20, in carrier gas
It is to be separated together into separation module 30 with certain flow velocity carrier band gaseous sample under effect, when the gaseous sample of many components
When entering the chromatographic column 31 of separation module 30, due to the silica gel in each component and the chromatographic column 31 of gaseous sample affinity not
Together, therefore each component is also just different in the speed of service of chromatographic column 31, after certain column length, each component order leaves chromatogram
Post 31 enters detection module 40, and each component isolated in gaseous sample is converted to electricity by the Thermal Conductivity in module 40 after testing
Signal inputs chromatographic work station, so as to complete the qualitative and quantitative analysis to gaseous sample.
In summary, the oxygen detection instrument that the utility model is provided, the content for detecting oxygen in gaseous sample, it is wrapped
Include sample introduction module 20, separation module 30 and detection module 40, sample introduction module 20 is used to gaseous sample to be detected being input to point
From in module 30, separation module 30 is used for the oxygen separation in gaseous sample, and detection module 40 is used to detect the oxygen isolated
Content of the gas in gaseous sample, sample introduction module 20 includes inert gas source 21, and inert gas source 21 is disposable, is used for
Carrier gas is provided.Because the inert gas source 21 for providing carrier gas is disposable, volume is smaller, therefore the body of oxygen detection instrument
Product is smaller so that it is easy to carry, and can carry with the place such as accident treatment scene and carry out Site Detection.Therefore, oxygen
Detector can solve the problem that the carrier gas module of existing gas chromatograph is configured with pressure gas cylinder, cause its volume is larger can not
Carry, it is impossible to do the problem of quickly analysis and emergency management are used in the scene of being carried to.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (8)
1. a kind of oxygen detection instrument, the content for detecting oxygen in gaseous sample, the oxygen detection instrument include sample introduction module,
Separation module and detection module, the sample introduction module include inert gas source, and the inert gas source is to provide carrier gas, institute
Stating carrier gas is used to be input in the separation module with certain flow velocity carrier band gaseous sample to be detected, and the separation module is used
In by the oxygen separation in the gaseous sample, the detection module is used to detect the oxygen isolated in the gaseous sample
Content, it is characterised in that the inert gas source is disposable.
2. oxygen detection instrument according to claim 1, it is characterised in that the oxygen detection instrument also includes display mould
Block, the display module is used for the testing result for showing the oxygen detection instrument.
3. oxygen detection instrument according to claim 2, it is characterised in that the detection module includes thermal conductivity detector (TCD) and color
Work station is composed, the thermal conductivity detector (TCD) is used to the oxygen isolated in the gaseous sample being converted to the electric signal input color
Work station is composed, the electric signal progress Data Analysis Services that the chromatographic work station is used to export the thermal conductivity detector (TCD) obtain institute
State the chromatogram of gaseous sample；
The chromatographic work station is connected by USB interface with the display module.
4. oxygen detection instrument according to claim 2, it is characterised in that the detection module includes thermal conductivity detector (TCD) and color
Work station is composed, the thermal conductivity detector (TCD) is used to the oxygen isolated in the gaseous sample being converted to electric signal input chromatogram work
Stand, the electric signal progress Data Analysis Services that the chromatographic work station is used to export the thermal conductivity detector (TCD) obtain the gas
The chromatogram of body sample；
The chromatographic work station is connected by way of being wirelessly transferred with the display module.
5. oxygen detection instrument according to claim 2, it is characterised in that the display module is portable display.
6. oxygen detection instrument according to claim 5, it is characterised in that the portable display is tablet personal computer.
7. oxygen detection instrument according to claim 1 or 2, it is characterised in that the sample introduction module also include inflatable component,
First adjusting part, the second adjusting part, Flow-rate adjustment component and sample introduction module；
The inflatable component includes gas-charging connection and gas-filled switching tube, and the inflatable component is connected with the first adjusting part, described to fill
Pneumatic module is used to inflate into the inert gas source；
First adjusting part includes first gas regulating valve and first pressure table, one end of first adjusting part and institute
Inert gas source connection is stated, the other end of first adjusting part is connected with the inflatable component, the first gas regulation
Valve is used for the pressure for adjusting the inert gas source, and the first pressure table is used for the pressure for showing the inert gas source；
Second adjusting part includes second gas regulating valve and second pressure table, one end of second adjusting part and institute
Inflatable component connection is stated, the other end of second adjusting part is connected with the Flow-rate adjustment component, and the second gas is adjusted
Section valve is used for the system pressure for stablizing the oxygen detection instrument, and the second pressure table is used for the pressure for showing the oxygen detection instrument
Power；
The Flow-rate adjustment component includes spinner flowmeter and flow control valve, and the spinner flowmeter is used to measure the gas
Sample enters the speed of the oxygen detection instrument, and the flow control valve is used to adjust the gaseous sample into oxygen inspection
Survey the speed of instrument；
The sample introduction module includes sample introduction six-way valve and quantitative sample injection pipe, one end of the sample introduction module and the Flow-rate adjustment group
Part is connected, and the other end of the sample introduction module is connected with the separation module；The gaseous sample passes through the sample introduction six-way valve
It is filled with the oxygen detection instrument, the quantitative sample injection pipe is used for the actual sample size for determining the gaseous sample.
8. oxygen detection instrument according to claim 1, it is characterised in that the oxygen detection instrument also includes temperature control mould
Block, the temperature control modules are connected with detection module, the system temperature for controlling the oxygen detection instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620816315.8U CN206399905U (en) | 2016-07-29 | 2016-07-29 | Oxygen detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620816315.8U CN206399905U (en) | 2016-07-29 | 2016-07-29 | Oxygen detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206399905U true CN206399905U (en) | 2017-08-11 |
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ID=59507584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620816315.8U Active CN206399905U (en) | 2016-07-29 | 2016-07-29 | Oxygen detection instrument |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220099518A1 (en) * | 2020-09-28 | 2022-03-31 | Agilent Technologies, Inc. | Gas Leak Detector Cartridge |
-
2016
- 2016-07-29 CN CN201620816315.8U patent/CN206399905U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220099518A1 (en) * | 2020-09-28 | 2022-03-31 | Agilent Technologies, Inc. | Gas Leak Detector Cartridge |
| US11747233B2 (en) * | 2020-09-28 | 2023-09-05 | Agilent Technologies, Inc. | Gas leak detector cartridge |
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