CN207856491U - A kind of low-voltage high-efficiency air cleaning unit applied to ion mobility spectrometry - Google Patents
A kind of low-voltage high-efficiency air cleaning unit applied to ion mobility spectrometry Download PDFInfo
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- CN207856491U CN207856491U CN201721694624.3U CN201721694624U CN207856491U CN 207856491 U CN207856491 U CN 207856491U CN 201721694624 U CN201721694624 U CN 201721694624U CN 207856491 U CN207856491 U CN 207856491U
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Abstract
The utility model discloses a kind of low-voltage high-efficiency air cleaning unit applied to ion mobility spectrometry.Device includes：The compositions such as air filter, vacuum pump, lithium battery, power control system, oil water separator, gas dry pipe, air purifier, pressure maintaining valve, ion mobility spectrometry, flowmeter.The present apparatus is using air as raw material, under lower supply gas pressure, after filtering, purifying, makes water content ＜ 40ppm, the volatile organic content ＜ 1ppb of gas.The gas handled through the device can be used as the drift gas of ion mobility spectrometry.By rational deployment gas circuit, the tail gas for taking full advantage of ion mobility spectrometry serves as purge gas, makes clarifier compared with dry gas is obtained under low pressure, effectively extends the service life of clarifier.This covering device can work after alternating current and charging, can work independently after charging 8 hours, can meet fixed point, vehicle-mounted, portable ion mobility spectrometry to the needs of cleaned air.
Description
Technical field
Utility model device is related to technical field of air purification processing.It discloses a kind of applied to the low of ion mobility spectrometry
Press efficiency air cleaning device.
Background technology
Ion mobility spectrometry is that the High Sensitive Analysis instrument of separation analysis is carried out according to ionic mobility difference under a kind of atmospheric pressure
Device.Because it works under atmospheric pressure, external device is needed to provide stable, clean air source as drift gas and carrier gas.For solid
Fixed point work ionic migration spectrometer may be used the air compressor of steel cylinder gas or Large Efficient, air cleaning facility provide compared with
For clean air.The usual volume of these equipment is larger, movement is constant, it is difficult to realize the limited website in vehicle-mounted, portable or space.
Early period, we announced a kind of charging Portable air purifier, but its service life is limited, high frequency of replacement, it is difficult to meet
The needs that ion mobility spectrometry monitors steadily in the long term.
Therefore the utility model devises a kind of low-voltage high-efficiency air cleaning unit applied to ion mobility spectrometry, volume compared with
It is small, the service life is longer, vehicle-mounted, the fixed point ion mobility spectrometry needs steady in a long-term monitored to totally floating gas can be met.
Invention content
A kind of low-voltage high-efficiency air cleaning unit applied to ion mobility spectrometry
The technical solution adopted in the utility model is as follows：
Device includes：Air filter, vacuum pump, lithium battery, power control system, oil water separator, gas dry pipe,
The compositions such as air purifier, pressure maintaining valve, first flowmeter, ion mobility spectrometry and second flowmeter；Gas dry pipe is bushing type
Structure is coated with selectively penetrating membrane tube in external shell, and external shell is equipped with purge gass entrance and purge gass export, selection
Property infiltration membrane tube Two-port netwerk be gas inlet and outlet to be dried；
It is connected with the air inlet of vacuum pump after the particulate matter that air is removed through air filter in air, the outlet of vacuum pump
Mouthful be connected with the entrance of oil water separator, the outlet of oil water separator behind the selectively penetrating membrane tube inside of gas dry pipe and
The entrance of air purifier is connected, and the outlet of air purifier is connected through pressure maintaining valve with the drift gas port of ion mobility spectrometry, and ion moves
The tail gas mouth for moving spectrum is connected with gas dry pipe purge gass entrance, and is exported and flowed out by gas dry pipe purge gass；
Vacuum pump is electrically connected through power control system or switching switch with rechargeable lithium battery and external power；Pass through power supply control
System processed or switching switch control vacuum pump are powered by rechargeable lithium battery or external power, preferential to select external power power supply.
Chargeable electricity lithium battery is connected with power control system, and carries out charging by power control system.
The vacuum pump that device uses is oil-free minipump, output pressure ＜ 100kPa, throughput 5-10L/min.
The device has the power control system or switching switch of lithium battery and external power switching control, can be under alternating current just
Normal continue working, can also work independent steady operation 8 hours after charging, can meet fixed point, vehicle-mounted, portable ion mobility spectrometry
To the needs of cleaned air.
Gas dry pipe selectively penetrating membrane tube is managed for Nafion, and aqueous vapor is removed by selectively penetrating membrane tube；The drying
Pipe is divided into two parts, is all the way unstripped gas to be dried, is all the way purge gass.Unstripped gas is logical among selectively penetrating membrane tube
It crosses, purge gass are passed through by the shell of gas dry pipe.
Scavenging material contained in air purifier is adsorbent, predominantly activated carbon and/or molecular sieve.
Drift gas of the gas as ion mobility spectrometry after purification；Tail gas conduct after ion mobility spectrometry sampling analysis
The purge gass of gas dry pipe.
The outlet of air purifier is connected through pressure maintaining valve, first flowmeter with the drift gas port of ion mobility spectrometry, Ion transfer
The tail gas mouth of spectrum is connected through second flowmeter with gas dry pipe purge gass entrance.
Pressure maintaining valve is used to control the flow of air-flow, and first flowmeter, second flowmeter are for measuring output gas flow；The two with
Pressure maintaining valve can be merged into mass flowmenter, for controlling and showing throughput.
Advantages of the present invention is as follows：
The 1 rational tail gas for utilizing ion mobility spectrometry, enhances the dehydrating effect for being air-dried pipe, to extend air
The use of clarifier enables steady in a long-term for ion mobility spectrometry gas supply.
2. using tail gas as independent purge gass, the humidity when making unstripped gas in low pressure is significantly larger than the wet of purge gass
Degree, achievees the effect that dehydration and drying.Therefore, it minipump can be used to provide the gas of lower pressure, reach dry on an equal basis
Effect.
3. because not needing high-pressure air feed, the components such as vacuum pump can use smaller or even miniature equipment, be set convenient for the whole series
Standby miniaturization.
Description of the drawings
Fig. 1 be a kind of low-voltage high-efficiency air cleaning unit figure applied to ion mobility spectrometry, wherein 1 be air filter,
2 it is vacuum pump, 3 be lithium battery, 4 be power control system, 5 be oil water separator, 6 be gas dry pipe, 7 is air purification
Device, 8 be pressure maintaining valve, 9 be first flowmeter, 10 be ion mobility spectrometry, 11 be flowmeter.
Specific implementation mode
The use that the following examples illustrate the invention, but the application range is not limited.
Device includes：Air filter 1, vacuum pump 2, lithium battery 3, power control system 4, oil water separator 5, gas are dry
The compositions such as dry pipe 6, air purifier 7, pressure maintaining valve 8, first flowmeter 9, ion mobility spectrometry 10 and second flowmeter 11；Gas
Drying tube 6 is sleeve type structure, is coated with selectively penetrating membrane tube in external shell, external shell be equipped with purge gass entrance and
Purge gass export, and selectively penetrating membrane tube Two-port netwerk is gas inlet and outlet to be dried；
It is connected with the air inlet of vacuum pump 2 after the particulate matter that air is removed through air filter 1 in air, vacuum pump 2
Gas outlet is connected with the entrance of oil water separator 5, selectively penetrating membrane tube of the outlet through gas dry pipe 6 of oil water separator 5
It is connected with the entrance of air purifier 7 behind inside, drift gas of the outlet through pressure maintaining valve 8 Yu ion mobility spectrometry 10 of air purifier 7
Mouth is connected, and the tail gas mouth of ion mobility spectrometry 10 is connected with 6 purge gass entrance of gas dry pipe, and by 6 purge gass of gas dry pipe
Outlet outflow；Vacuum pump 2 is electrically connected through power control system 4 or switching switch with rechargeable lithium battery 3 and external power；Pass through
Power control system 4 or switching switch control vacuum pump 2 are powered by rechargeable lithium battery 3 or external power, preferentially select external power
Power supply.
Embodiment 1
Fixed point uses：The equipment is connected into alternating current, i.e. 220v alternating currents.The electricity transformation is 12v by power control system
Or 24v, it is used for vacuum pump and battery charges.When vacuum pump work, air is entered by the arrival end of filter 1, is passed sequentially through
Oil water separator 5, gas dry pipe 6, the purification of air purifier 7 are the drift gas used for ion mobility spectrometry 10.
Embodiment 2
It is mobile to use：After the equipment connects alternating current, which is 12v or 24v by power control system, is filled to battery
Electricity.After charging complete, it can be used for the mobile use such as vehicle-mounted, portable.Equipment movement can be provided when using and be used together with fixed point
Deng clean air, used 8 hours or more for ion mobility spectrometry.
Claims (9)
1. a kind of low-voltage high-efficiency air cleaning unit applied to ion mobility spectrometry, it is characterised in that：
Device includes：Air filter (1), vacuum pump (2), lithium battery (3), power control system (4), oil water separator (5),
Gas dry pipe (6), air purifier (7), pressure maintaining valve (8), first flowmeter (9), ion mobility spectrometry (10) and second flow
Count (11) composition；Gas dry pipe (6) is sleeve type structure, and selectively penetrating membrane tube, external shell are coated in external shell
It is equipped with purge gass entrance and purge gass exports, selectively penetrating membrane tube Two-port netwerk is gas inlet and outlet to be dried；
It is connected with the air inlet of vacuum pump (2) after the particulate matter that air is removed through air filter (1) in air, vacuum pump (2)
Gas outlet be connected with the entrance of oil water separator (5), selectivity of the outlet through gas dry pipe (6) of oil water separator (5)
Infiltration membrane tube is connected behind inside with the entrance of air purifier (7), and the outlet of air purifier (7) is through pressure maintaining valve (8) and ion
The drift gas port of migration spectrum (10) is connected, and the tail gas mouth of ion mobility spectrometry (10) is connected with gas dry pipe (6) purge gass entrance, and
It is exported and is flowed out by gas dry pipe (6) purge gass；
Vacuum pump (2) is electrically connected through power control system (4) or switching switch with rechargeable lithium battery (3) and external power；Pass through
Power control system (4) or switching switch control vacuum pump (2) are powered by rechargeable lithium battery (3) or external power, preferential to select
External power is powered.
2. a kind of low-voltage high-efficiency air cleaning unit applied to ion mobility spectrometry according to claim 1, feature exist
In：Chargeable electricity lithium battery (3) is connected with power control system (4), and carries out charging by power control system (4).
3. a kind of low-voltage high-efficiency air cleaning unit applied to ion mobility spectrometry according to claim 1, feature exist
In：The vacuum pump (2) that device uses is oil-free minipump, output pressure ＜ 100kPa, throughput 5-10L/min.
4. a kind of low-voltage high-efficiency air cleaning unit applied to ion mobility spectrometry according to claim 1, feature exist
In：The device has the power control system (4) or switching switch of lithium battery (3) and external power switching control, can be under alternating current
Normal sustained service, can also work independent steady operation 8 hours after charging, can meet fixed point, vehicle-mounted, portable Ion transfer
Compose the needs to cleaned air.
5. a kind of low-voltage high-efficiency air cleaning unit applied to ion mobility spectrometry according to claim 1, feature exist
In：Gas dry pipe (6) selectively penetrating membrane tube is managed for Nafion, and aqueous vapor is removed by selectively penetrating membrane tube；The drying tube
It is divided into two parts, is all the way unstripped gas to be dried, is all the way purge gass；Unstripped gas is logical among selectively penetrating membrane tube
It crosses, purge gass are passed through by the shell of gas dry pipe (6).
6. a kind of low-voltage high-efficiency air cleaning unit applied to ion mobility spectrometry according to claim 1, feature exist
In：Scavenging material contained in air purifier (7) is adsorbent, predominantly activated carbon and/or molecular sieve.
7. a kind of low-voltage high-efficiency air cleaning unit applied to ion mobility spectrometry according to claim 1, feature exist
In：Drift gas of the gas as ion mobility spectrometry (10) after purification；Tail gas after ion mobility spectrometry (10) sampling analysis
Purge gass as gas dry pipe (6).
8. a kind of low-voltage high-efficiency air cleaning unit applied to ion mobility spectrometry according to claim 1, feature exist
In：The outlet of air purifier (7) is connected through pressure maintaining valve (8), first flowmeter (9) with the drift gas port of ion mobility spectrometry (10),
The tail gas mouth of ion mobility spectrometry (10) is connected through second flowmeter (11) with gas dry pipe (6) purge gass entrance.
9. a kind of low-voltage high-efficiency air cleaning unit applied to ion mobility spectrometry according to claim 8, feature exist
In：Pressure maintaining valve (8) is used to control the flow of air-flow, and first flowmeter (9), second flowmeter (11) are for measuring output gas flow；
The two can be merged into mass flowmenter with pressure maintaining valve (8), for controlling and showing throughput.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721694624.3U CN207856491U (en) | 2017-12-08 | 2017-12-08 | A kind of low-voltage high-efficiency air cleaning unit applied to ion mobility spectrometry |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721694624.3U CN207856491U (en) | 2017-12-08 | 2017-12-08 | A kind of low-voltage high-efficiency air cleaning unit applied to ion mobility spectrometry |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830424A (en) * | 2019-03-18 | 2019-05-31 | 郑州中坚利华电子科技有限公司 | A kind of ionic migration spectrometer detecting toxic gas |
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2017
- 2017-12-08 CN CN201721694624.3U patent/CN207856491U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830424A (en) * | 2019-03-18 | 2019-05-31 | 郑州中坚利华电子科技有限公司 | A kind of ionic migration spectrometer detecting toxic gas |
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