CN201543390U - Dynamic gas distribution instrument - Google Patents
Dynamic gas distribution instrument Download PDFInfo
- Publication number
- CN201543390U CN201543390U CN2009202525456U CN200920252545U CN201543390U CN 201543390 U CN201543390 U CN 201543390U CN 2009202525456 U CN2009202525456 U CN 2009202525456U CN 200920252545 U CN200920252545 U CN 200920252545U CN 201543390 U CN201543390 U CN 201543390U
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- China
- Prior art keywords
- gas
- gas inlet
- zero
- triple valve
- way valve
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- Expired - Lifetime
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Abstract
A dynamic gas distribution instrument includes a three-way valve connected with a standard gas inlet and a zero gas inlet; the three-way valve is connected with a vacuum pump; and balance pressure ports communicated with the atmosphere are respectively formed on pipelines connected with the standard gas inlet, the zero gas inlet and the three-way valve. The balance pressure ports are additionally arranged on the pipelines connected with the standard gas inlet, the zero gas inlet and the three-way valve, so as to balance pressures of the standard gas and the zero gas entering the three-way valve, and conveniently and precisely control the prepared gas ingredient proportion. The high-frequency three-way electromagnetic valve has high precision, thereby better ensuring the precision of the dynamic gas distribution instrument. A circuit controller controls the gas distribution instrument according to the setting, and realizes automatic operation.
Description
Technical field
The utility model relates to the gas detection analyzer device, is concretely a kind of being used for the gas detection analyzer device to be demarcated or the dynamic air-distributing instrument of periodic calibration.
Background technology
Though be used for that the gas detection analyzer device is demarcated or the static distributing instrument of periodic calibration is simple in structure, processing ease, but to chemical property vivaciously, during easily by the gas distribution of the wall of distributing instrument absorption, distribution concentration poor accuracy or instability, special bigger at the lower calibrating gas time error of compound concentration, so its range of application is limited to.The distribution concentration accuracy of existing dynamic air-distributing instrument, the more static distributing instrument of stability are greatly improved, but there is pressure differential between the zero gas of compression and the calibrating gas, even if the two flow is identical, quality also there are differences, therefore be difficult to accurately control and allot the component ratio of gas, and the generation error, this is the shortcoming of existing dynamic air-distributing instrument.
Summary of the invention
The utility model will solve owing to have pressure differential between the zero gas of compression and the calibrating gas, existing dynamic air-distributing instrument is difficult to accurately control and allots gas component ratio, and the technical problem of generation error, the dynamic air-distributing instrument that provide a kind of and be not subjected to exist pressure differential to influence between zero gas and the calibrating gas, precision is high.
In order to solve the problems of the technologies described above, the technical scheme that the utility model is taked is: a kind of dynamic air-distributing instrument, comprise the triple valve that connects calibrating gas inlet and zero gas inlet, triple valve connects vavuum pump, on calibrating gas inlet, zero pipeline that gas enters the mouth and triple valve is connected the equalizing pressure mouth that communicates with atmosphere is arranged respectively.
The pressure of two equalizing pressure mouths on calibrating gas inlet, zero pipeline that gas enters the mouth and triple valve is connected is identical, make the calibrating gas, zero atmospheric pressure that enter triple valve obtain balance, triple valve can make things convenient for, control accurately the component ratio of allotting gas by control flow or flow velocity etc.
On calibrating gas inlet, zero pipeline that gas enters the mouth and triple valve is connected the gas balance threeway is installed respectively; First end of two gas balance threeways connects calibrating gas inlet, zero gas inlet respectively, and second end connects triple valve respectively, and the 3rd end is the equalizing pressure mouth.
Triple valve is the high frequency three-way magnetic valve.The precision height of high frequency three-way magnetic valve is better guaranteed the precision of dynamic air-distributing instrument.
Triple valve connecting circuit controller.Circuit controller is controlled triple valve in the distribution ratio of input.
Vavuum pump connecting circuit controller.Circuit controller is by the programme-control that is provided with, and distributing instrument is realized automatically working.The vacuum delivery side of pump is communicated with mixing chamber, and mixing chamber connects by test examination instrument or gas holding bag or other Sheng device of air.
Triple valve and vavuum pump be the connecting circuit controller respectively.
The utility model has the advantages that: add the equalizing pressure mouth on connection calibrating gas inlet, zero gas inlet and the triple valve pipeline, make the calibrating gas, zero atmospheric pressure that enter triple valve obtain balance, can accurately control easily and allot gas component ratio.The precision height of high frequency three-way magnetic valve is better guaranteed the precision of dynamic air-distributing instrument.Circuit controller is realized automatically working by setting the control distributing instrument.
Description of drawings
The schematic diagram of an embodiment of the utility model.
The specific embodiment
Accompanying drawings.
The pressure of two equalizing pressure mouths 2 on the pipeline of connection calibrating gas inlet 1, zero gas inlet 3 and high frequency three-way magnetic valve 5 is identical, make the calibrating gas, zero atmospheric pressure that enter high frequency three-way magnetic valve 5 obtain balance, can make things convenient for, control accurately and allot gas component ratio.
Claims (6)
1. dynamic air-distributing instrument, comprise the triple valve (5) that connects calibrating gas inlet (1) and zero gas inlet (3), triple valve (5) connects vavuum pump (6), and it is characterized in that has the equalizing pressure mouth (2) that communicates with atmosphere respectively on calibrating gas inlet (1), zero pipeline that gas enters the mouth (3) and triple valve (5) is connected.
2. a kind of dynamic air-distributing instrument according to claim 1 is characterized in that on calibrating gas inlet (1), zero pipeline that gas enters the mouth (3) and triple valve (5) is connected gas balance threeway (4) being installed respectively; First end of two gas balance threeways (4) connects calibrating gas inlet (1), zero gas inlet (3) respectively, and second end connects triple valve (5) respectively, and the 3rd end is equalizing pressure mouth (2).
3. a kind of dynamic air-distributing instrument according to claim 1 and 2 is characterized in that triple valve (5) is the high frequency three-way magnetic valve.
4. a kind of dynamic air-distributing instrument according to claim 1 is characterized in that triple valve (5) connecting circuit controller (8).
5. a kind of dynamic air-distributing instrument according to claim 1 is characterized in that vavuum pump (6) connecting circuit controller (8).
6. a kind of dynamic air-distributing instrument according to claim 1 is characterized in that triple valve (5) and vavuum pump (6) connecting circuit controller (8) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202525456U CN201543390U (en) | 2009-11-06 | 2009-11-06 | Dynamic gas distribution instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202525456U CN201543390U (en) | 2009-11-06 | 2009-11-06 | Dynamic gas distribution instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201543390U true CN201543390U (en) | 2010-08-11 |
Family
ID=42598547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202525456U Expired - Lifetime CN201543390U (en) | 2009-11-06 | 2009-11-06 | Dynamic gas distribution instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201543390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823870A (en) * | 2017-01-18 | 2017-06-13 | 江苏微浪电子科技有限公司 | A kind of multicomponent gas match mixing arrangement |
-
2009
- 2009-11-06 CN CN2009202525456U patent/CN201543390U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823870A (en) * | 2017-01-18 | 2017-06-13 | 江苏微浪电子科技有限公司 | A kind of multicomponent gas match mixing arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: QINGDAO MINHOPE ELECTRONIC INSTRUMENT CO., LTD. Free format text: FORMER OWNER: DOU HAO Effective date: 20120425 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 266043 QINGDAO, SHANDONG PROVINCE TO: 266100 QINGDAO, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120425 Address after: 266100, No. nine, No. 588 East Road, Licang District, Shandong, Qingdao (Star Institute) Patentee after: Qingdao Minghua Electronic Instrument Co., Ltd. Address before: 266043 No. four middle stream road 42, Licang District, Shandong, Qingdao Patentee before: Dou Hao |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100811 |
|
| CX01 | Expiry of patent term |