CN205720164U - Portable dynamic air distribution system - Google Patents
Portable dynamic air distribution system Download PDFInfo
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- CN205720164U CN205720164U CN201620545072.9U CN201620545072U CN205720164U CN 205720164 U CN205720164 U CN 205720164U CN 201620545072 U CN201620545072 U CN 201620545072U CN 205720164 U CN205720164 U CN 205720164U
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- flow controller
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- 238000009826 distribution Methods 0.000 title claims abstract description 29
- 230000033228 biological regulation Effects 0.000 claims abstract description 43
- 239000003085 diluting agent Substances 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims description 195
- 229910001416 lithium ion Inorganic materials 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims 1
- 210000004556 brain Anatomy 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 10
- 238000002360 preparation method Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 208000035985 Body Odor Diseases 0.000 description 2
- 206010055000 Bromhidrosis Diseases 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- -1 pharmacy Substances 0.000 description 1
- 229950000845 politef Drugs 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
This utility model relates to a kind of portable dynamic air distribution system, it is characterized in that: include A channel diluent gas entrance, channel B calibrating gas entrance, A channel mass flow controller, channel B mass flow controller, mass flow controller drive circuit, sample gas outlet and discharge gas outlet；Described A channel diluent gas entrance connects A channel mass flow controller, channel B calibrating gas entrance connects channel B mass flow controller, A channel mass flow controller connects sample gas outlet by sample gas outlet regulation valve, and channel B mass flow controller connects discharge gas outlet by discharge gas outlet regulation valve；Described A channel mass flow controller, channel B mass flow controller and mass flow controller drive circuit connect, and mass flow controller drive circuit is connected with controlling terminal.This utility model realizes the calibrating gas in working site preparation series concentration, facilitates the detection of enterprise's various span gas analytical tool.
Description
Technical field
This utility model relates to a kind of air distribution system, especially a kind of portable dynamic air distribution system.
Background technology
Gas analyser is in various productions such as petrochemical industry, iron and steel, paint, pharmacy, semiconductor manufacturing, oil-gas transportation storages
Activity plays unique and important effect, gas analyser whether accurate, be directly connected to produce be normally carried out with
The guarantee of secure context.
The calibrating of gas analyser, test and calibrate and generally use certain density calibrating gas to carry out, according to gas
The vertification regulation of analytical tool, it is generally required to examine basic, normal, high three concentration point in the range ability of gas analyser
Survey.Therefore, detecting a kind of gas analyser at least needs to buy the calibrating gas of three kinds of concentration, and the gas for different ranges divides
Analyzer, it is necessary to the calibrating gas of more kinds of variable concentrations.Standard Gases bought by the gas analyser of the different range ability of detection
Body link needs to pay higher cost, it addition, a lot of calibrating gas steel cylinders, takes detection scene to the most very inconvenient.
At present, metrological service uses mass flow mixing method former for the dynamic air-distributing device of gas detector calibrating mostly
The dynamic air-distributing device of reason.Such device precision is higher, but mostly uses the mode of Alternating Current Power Supply, and software operation interface can only
It is suitable for a distribution ratio, therefore, is only used for the calibration operation of laboratory air analyser, and complex operation.But gas divides
The installation of analyzer is the most all at Work places, and versus environmental is bad, does not often have power supply to provide, it addition, explosion-proof scene does not permits
Permitted the plug of alternating current power supply, so, need for carrying substantial amounts of calibrating gas to operation field calibrating gas analyser at present
Steel cylinder.
As it is shown in figure 1, be the schematic diagram of air distribution system in prior art, in Fig. 1,1a is A channel diluent gas entrance, 2a
For channel B calibrating gas entrance, 3a is A channel mass flow controller, and 4a is channel B mass flow controller, and 5a is for driving
The single-chip microcomputer of mass flow controller, 6a is AC-DC power module, and 7a is that sample gas outlet regulates valve, and 8a is discharge gas
Outlet regulating valve, 9a is sample gas stream gauge, and 10a is sample gas outlet, and 11a is discharge gas outlet, and 12a is carrier gas
Bromhidrosis source, 13a is calibrating gas source of the gas.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of portable dynamic distribution system
Multiple measurement points of gas alarm or gas analyser can be examined and determine, test and calibrate by system, convenient, fast, greatly
Improve greatly the efficiency of calibration operation.
The technical scheme provided according to this utility model, described portable dynamic air distribution system, it is characterized in that: include that A leads to
Road diluent gas entrance, channel B calibrating gas entrance, A channel mass flow controller, channel B mass flow controller, quality
Flow controller drive circuit, sample gas outlet regulation valve, sample gas outlet, discharge gas outlet regulation valve and discharge gas
Body exports；Described A channel diluent gas entrance connects the input of A channel mass flow controller, channel B calibrating gas entrance
Connect the input of channel B mass flow controller, the outfan of A channel mass flow controller and channel B mass flow control
The outfan of device processed connects one end and one end of discharge gas outlet regulation valve of sample gas outlet regulation valve, and sample gas goes out
The other end of mouth regulation valve connects sample gas outlet, and gas outlet is discharged in the other end connection of discharge gas outlet regulation valve；
Described A channel mass flow controller and channel B mass flow controller connect with mass flow controller drive circuit respectively,
Mass flow controller drive circuit is connected with the control end controlling terminal.
Further, described control terminal uses panel computer or mobile phone.
Further, described A channel diluent gas entrance, channel B calibrating gas entrance, A channel mass flow controller,
Channel B mass flow controller, mass flow controller drive circuit, sample gas outlet regulation valve, sample gas outlet, sample
Product gas flowmeter, discharge gas outlet regulation valve and discharge gas outlet are integrated in cabinet.
Further, Li-ion batteries piles and power module are set in described cabinet.
Further, described Li-ion batteries piles and power module quality of connection flow controller drive circuit, quality stream
Amount controller drive circuit associated power supply control terminal, A channel mass flow controller and channel B mass flow controller.
Further, described A channel mass flow controller and channel B mass flow controller are thermal type gas quality stream
Amount controller.
Further, described sample gas outlet regulation valve, discharge gas outlet regulation valve are rustless steel needle valve.
Further, described A channel diluent gas entrance and channel B calibrating gas entrance connect diluent gas source of the gas respectively
With calibrating gas source of the gas.
Further, sample gas flow is set between described sample gas outlet regulation valve and sample gas outlet
Meter.
This utility model has the advantage that
(1) this utility model achieves the calibrating gas of the working site preparation series concentration outside laboratory, for gas
The calibrating of body analytical tool, test and calibrate, saved the cost of many bottles of variable concentrations calibrating gas of preparation, facilitated enterprise each
Plant the detection of span gas analytical tool；
(2) this utility model have employed Li-ion batteries piles and powers, and meets the Work places detection gas in power supply inconvenience
The demand of body analytical tool；
(3) this utility model is simple and quick, it is to avoid what other air distributing devices were loaded down with trivial details repeats to arrange, for batch
Detection work more advantage, after being once provided with, each test point is one-key operation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of air distribution system in prior art.
Fig. 2 is the schematic diagram of portable dynamic air distribution system described in the utility model.
Detailed description of the invention
Below in conjunction with concrete accompanying drawing, the utility model is described in further detail.
As shown in Figure 2: described portable dynamic air distribution system includes A channel diluent gas entrance 1, channel B calibrating gas
Entrance 2, A channel mass flow controller 3, channel B mass flow controller 4, mass flow controller drive circuit 5, control
Terminal 6, Li-ion batteries piles and power module 7, sample gas outlet regulation valve 8, sample gas outlet 9, sample gas flow
Meter 10, discharge gas outlet regulation valve 11, discharge gas outlet 12, diluent gas source of the gas 13, calibrating gas source of the gas 14 etc..
As in figure 2 it is shown, portable dynamic air distribution system described in the utility model, lead to including A channel diluent gas entrance 1, B
Road calibrating gas entrance 2, A channel mass flow controller 3, channel B mass flow controller 4, mass flow controller drive
Circuit 5, sample gas outlet regulation valve 8, sample gas outlet 9, discharge gas outlet regulation valve 11 and discharge gas outlet 12；
Described A channel diluent gas entrance 1 and channel B calibrating gas entrance 2 are fast interface, connect diluent gas source of the gas 13 He respectively
Calibrating gas source of the gas 14；Described A channel diluent gas entrance 1 connects the input of A channel mass flow controller 3, channel B mark
It is logical that quasi-gas access 2 connects the input of channel B mass flow controller 4, the outfan of A channel mass flow controller 3 and B
The outfan of road mass flow controller 4 connects one end and the discharge gas outlet regulation valve 11 of sample gas outlet regulation valve 8
One end, sample gas outlet regulation valve 8 the other end connect sample gas outlet 9, discharge gas outlet regulation valve 11 another
One end connects discharge gas outlet 12；Between described sample gas outlet regulation valve 8 and sample gas outlet 9, sample gas is set
Flowmeter body 10.
Described A channel mass flow controller 3 and channel B mass flow controller 4 drive with mass flow controller respectively
Galvanic electricity road 5 connects, and mass flow controller drive circuit 5 is connected with controlling terminal 6, controls terminal 6 and can use panel computer
Or mobile phone.The dynamic air-distributing filled in described control terminal 6 controls software and has traffic alignment function, can be to A channel quality stream
The flow value of amount controller 3 and channel B mass flow controller 4 is calibrated, to ensure the standard of portable dynamic air distribution system
Exactness meets the requirements.
Described A channel diluent gas entrance 1, channel B calibrating gas entrance 2, A channel mass flow controller 3, channel B
Mass flow controller 4, mass flow controller drive circuit 5, sample gas outlet regulation valve 8, sample gas outlet 9, sample
Product gas flowmeter 10, discharge gas outlet regulation valve 11 and discharge gas outlet 12 the whole series are integrated in cabinet.
In described cabinet, arrange Li-ion batteries piles and power module 7, Li-ion batteries piles and power module 7 give respectively
A channel mass flow controller 3, channel B mass flow controller 4, mass flow controller drive circuit 5 and control terminal 6
Power supply, meets in the demand of inconvenient Work places detected gas analytical tool of powering.And on instrument or control terminal
Dump energy prompt facility, Li-ion batteries piles and power module 7 is had to be given mass flow respectively by two DC-DC power module
Controller drive circuit 5 and control terminal 6 and power, about can maintenance work state 6 hours, meet real work needs；Described
Mass flow controller drive circuit 5 associated power supply control terminal 6, A channel mass flow controller 3 and channel B mass flow
Controller 4, drives A channel mass flow controller 3 and channel B mass flow controller 4 under the control controlling terminal 6.
Described A channel mass flow controller 3 and channel B mass flow controller 4 are thermal type gas quality flow-control
Device, model is D07-7B, and manufacturer is Beijing Qixing Huachuang Electronics Co., Ltd.A channel mass flow controller 3
Range is (0～2) L, and linearity error is ± 1%；The range of channel B mass flow controller 4 is (0～1) L, linearity error is ±
1%；Described sample gas stream gauge 10 is range (0～1) L, the mass flowmenter of the low precision of linearity error ± 4%.
Described sample gas outlet regulation valve 8, discharge gas outlet regulation valve 11 are rustless steel needle valve, regulation valve and pipe
Road system all uses the inert material such as rustless steel and politef, is suitable for the use of corrosive gas.
Operation principle of the present utility model: diluent gas and calibrating gas are led to by A channel diluent gas entrance 1 and B respectively
Road calibrating gas entrance 2 enters air distribution system, is joined by A channel mass flow controller 3 and channel B mass flow controller 4
Making the sample gas of detection desired concn, the control terminal 6 controlling software with dynamic air-distributing passes through mass flow controller
Drive circuit 5 drives A channel mass flow controller 3 and channel B mass flow controller 4 to complete distribution work.Control terminal 6
The dynamic air-distributing of middle installation controls software can set diluent gas and the kind of calibrating gas, concentration, sets distribution flow, if
The range of fixed tested gas analyser, set the calibrating of tested gas analyser measure point (10%FS, 20%FS, 30%FS ...
100%FS), 4 calibratings can be selected and measure point and the measurement point of 1 tested instrumental correction certain concentration, fully meet inspection
Determine, test and the needs of calibration operation.Described sample gas outlet regulation valve 8 and discharge gas outlet regulation valve 11 are coordinated to adjust
Joint, is observed sample gas stream gauge 10 simultaneously, to obtain suitable sample gas flow, is supplied to by sample gas outlet 9
Tested gas analyser, unnecessary sample gas is discharged by discharging gas outlet 12.
This utility model is by Li-ion batteries piles, control terminal (panel computer), mass flow controller, pipeline and valve
It is incorporated in a cabinet, it is simple to carry, it is achieved that with a dynamic gas mixer, add one bottle of diluent gas and respective concentration
Calibrating gas, just can not have at the scene under the environmental condition that power supply provides, according to the test point pair needed for relevant vertification regulation
Gas analyser realizes quickly calibrating and calibration, and batch is examined and determine in hgher efficiency.Solving general dynamic gas mixer need to be
The problem that scene just can use in the case of having power supply, also solves general dynamic gas mixer and can only arrange one every time
The problem of distribution concentration；More solve verification worker because of in-site measurement gas analyser kind more, a lot of Standard Gases bromhidrosis will be carried
The problem of bottle.
During utility model works, first connect respectively at A channel diluent gas entrance 1 and channel B calibrating gas entrance 2
Diluent gas source of the gas 13 and calibrating gas source of the gas 14, open control terminal 6, and instrument is in preheating zeroing state, within 30 minutes, completes
Preheating zeroing；Subsequently into concentration distribution state, under concentration distribution state, select diluent gas and calibrating gas kind and
Concentration is consistent with the certificate of diluent gas and calibrating gas respectively, sets the flow that standard sample gas occurs, and sets gas
The range of body analyser, sets the measurement point (10%FS, 20%FS, 30%FS ... 100%FS) that relevant vertification regulation specifies, can set
Measure point for fixed 4, if tested gas analyser needs to be corrected before detection, then can measure some setting instrument at the 5th
Standard sample gas concentration is used in correction, clicks on each generation button measuring point below, the standard sample of respective concentration can occur
Product gas.
Meanwhile, dynamic air-distributing controls software and is additionally provided with traffic alignment function, and traffic alignment interface needs to be entered by password,
With the accuracy of quality of protection flow controller, when software design patterns to traffic alignment state, can be respectively to A channel mass flow
Controller, channel B mass flow controller are calibrated, and specific practice is: when calibrating A channel mass flow controller, can
First the source of the gas of channel B mass flow controller is withdrawn or flow set for 0, A channel mass flow controller is set
Calibration point, close discharge gas outlet regulation valve 11, fully open sample gas outlet regulation valve 8, by more high accuracy
Flow measurement obtains the actual flow of gas outlet, the numerical value of actual flow is added respective window in software, by aligning key
Realizing the calibration of A mass flow controller, in like manner, B mass flow controller can also be calibrated by the method.
This utility model achieves the calibrating gas of the working site preparation series concentration outside laboratory, divides for gas
The calibrating of analyzer device, test and calibrate, saved the cost of many bottles of variable concentrations calibrating gas of preparation, facilitated the various amount of enterprise
The detection of journey gas analysis instrument；This utility model have employed Li-ion batteries piles and powers, and meets the operation in power supply inconvenience
The demand of place detected gas analytical tool, this utility model is simple and quick, it is to avoid the weight that other air distributing devices are loaded down with trivial details
Multiple setting, for the detection work more advantage of batch, after being once provided with, each test point is one-key operation.
Claims (9)
1. a portable dynamic air distribution system, is characterized in that: include A channel diluent gas entrance (1), channel B calibrating gas
Entrance (2), A channel mass flow controller (3), channel B mass flow controller (4), mass flow controller drive circuit
(5), sample gas outlet regulation valve (8), sample gas outlet (9), discharge gas outlet's regulation valve (11) and discharge gas go out
Mouth (12)；Described A channel diluent gas entrance (1) connects the input of A channel mass flow controller (3), channel B Standard Gases
Body entrance (2) connects the input of channel B mass flow controller (4), the outfan of A channel mass flow controller (3) and B
The outfan of channel quality flow controller (4) connects one end and the discharge gas outlet tune of sample gas outlet regulation valve (8)
One end of joint valve (11), the other end of sample gas outlet regulation valve (8) connects sample gas outlet (9), discharges gas outlet
The other end of regulation valve (11) connects discharge gas outlet (12)；Described A channel mass flow controller (3), channel B quality stream
Amount controller (4) connects with mass flow controller drive circuit (5) respectively, mass flow controller drive circuit (5) and control
The control end of terminal processed (6) connects.
2. portable dynamic air distribution system as claimed in claim 1, is characterized in that: described control terminal (6) uses flat board electricity
Brain or mobile phone.
3. portable dynamic air distribution system as claimed in claim 1, is characterized in that: described A channel diluent gas entrance (1), B
Channel standard gas access (2), A channel mass flow controller (3), channel B mass flow controller (4), mass flow control
Device drive circuit (5) processed, sample gas outlet regulation valve (8), sample gas outlet (9), sample gas stream gauge (10), discharge
Gas outlet's regulation valve (11) and discharge gas outlet (12) are integrated in cabinet.
4. portable dynamic air distribution system as claimed in claim 3, is characterized in that: arrange lithium ion battery in described cabinet
Group and power module (7).
5. portable dynamic air distribution system as claimed in claim 4, is characterized in that: described Li-ion batteries piles and power module
(7) quality of connection flow controller drive circuit (5), mass flow controller drive circuit (5) associated power supply control terminal
(6), A channel mass flow controller (3) and channel B mass flow controller (4).
6. portable dynamic air distribution system as claimed in claim 1, is characterized in that: described A channel mass flow controller (3)
It is thermal type gas quality flow controller with channel B mass flow controller (4).
7. portable dynamic air distribution system as claimed in claim 1, is characterized in that: described sample gas outlet regulation valve (8),
Discharge gas outlet's regulation valve (11) is rustless steel needle valve.
8. portable dynamic air distribution system as claimed in claim 1, is characterized in that: described A channel diluent gas entrance (1) and
Channel B calibrating gas entrance (2) connects diluent gas source of the gas (13) and calibrating gas source of the gas (14) respectively.
9. portable dynamic air distribution system as claimed in claim 1, is characterized in that: regulate valve at described sample gas outlet
And sample gas stream gauge (10) is set between sample gas outlet (9) (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620545072.9U CN205720164U (en) | 2016-06-07 | 2016-06-07 | Portable dynamic air distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620545072.9U CN205720164U (en) | 2016-06-07 | 2016-06-07 | Portable dynamic air distribution system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205720164U true CN205720164U (en) | 2016-11-23 |
Family
ID=57301162
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620545072.9U Active CN205720164U (en) | 2016-06-07 | 2016-06-07 | Portable dynamic air distribution system |
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| CN (1) | CN205720164U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106807260A (en) * | 2016-12-23 | 2017-06-09 | 北京雪迪龙科技股份有限公司 | Many standard gas generator control systems and combined system and method |
| CN108195950A (en) * | 2017-12-04 | 2018-06-22 | 河南省计量科学研究院 | The dilution error detection device and its detection method of calibrating gas dilution device based on gas chromatograph |
| CN108254497A (en) * | 2017-12-22 | 2018-07-06 | 河南省日立信股份有限公司 | The gas-monitoring meter locale method of calibration of cell phone application control |
| CN109884255A (en) * | 2019-03-26 | 2019-06-14 | 翼捷安全设备（昆山）有限公司 | High-precision full-automatic air distribution system and method |
| CN111007204A (en) * | 2019-12-23 | 2020-04-14 | 中国人民解放军92609部队 | Gas analysis verification equipment |
-
2016
- 2016-06-07 CN CN201620545072.9U patent/CN205720164U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106807260A (en) * | 2016-12-23 | 2017-06-09 | 北京雪迪龙科技股份有限公司 | Many standard gas generator control systems and combined system and method |
| CN106807260B (en) * | 2016-12-23 | 2020-01-07 | 北京雪迪龙科技股份有限公司 | Multi-standard gas generator control system and combined system and method |
| CN108195950A (en) * | 2017-12-04 | 2018-06-22 | 河南省计量科学研究院 | The dilution error detection device and its detection method of calibrating gas dilution device based on gas chromatograph |
| CN108254497A (en) * | 2017-12-22 | 2018-07-06 | 河南省日立信股份有限公司 | The gas-monitoring meter locale method of calibration of cell phone application control |
| CN109884255A (en) * | 2019-03-26 | 2019-06-14 | 翼捷安全设备（昆山）有限公司 | High-precision full-automatic air distribution system and method |
| CN111007204A (en) * | 2019-12-23 | 2020-04-14 | 中国人民解放军92609部队 | Gas analysis verification equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221116 Address after: 214101 No. 8, Dongting Chunxin East Road, Xishan District, Wuxi City, Jiangsu Province Patentee after: Wuxi inspection and Certification Institute Address before: 214101 spring new East Road, Xishan District, Wuxi, Jiangsu Province, No. 8 Patentee before: WUXI METERING DETECTING TEST CENTER |
|
| TR01 | Transfer of patent right |