CN107727177A - A kind of gas flow optimized multifunctional element - Google Patents
A kind of gas flow optimized multifunctional element Download PDFInfo
- Publication number
- CN107727177A CN107727177A CN201710853101.7A CN201710853101A CN107727177A CN 107727177 A CN107727177 A CN 107727177A CN 201710853101 A CN201710853101 A CN 201710853101A CN 107727177 A CN107727177 A CN 107727177A
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- CN
- China
- Prior art keywords
- glass tube
- gas flow
- flow optimized
- element according
- multifunctional element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/74—Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
Abstract
The present invention relates to a kind of gas flow optimized multifunctional element, including with graduated tapered glass tube, the glass tube being connected with tapered glass tube upper end, the upper fixing element of control glass tube lifting, the ball float being arranged in tapered glass tube, it is connected to the lower fixture of tapered glass tube lower end.Compared with prior art, the present invention uses modular design, makes flow indication function, current-limiting function and inverse-stopping functions integration.
Description
Technical field
The present invention relates to a kind of air flow controller, more particularly, to a kind of full inertia material flow manufacture of gas flow optimized
Instruction, the non-return and function element of current limliting three.Quality is indicated, the non-return and functional unification of current limliting three, controlled available for multiple air flow
Occasion.
Background technology
During gas flow is controlled with display, flowmeter, venting valve, check (non-return) valve are conventional elements, and they have
Various forms and structure are had, is generally separately mounted on and connects in more complicated gas circuit, such as is come for movable type sampling
Say, sampling flow is cumbersome, and sample devices is not concise enough in structure, have impact on the sample rate of sample collector.Above-mentioned device leads to
Often all contain some metal parts (such as materials such as stainless steels), these parts are in gas sampling easily to micro in gas sample
Component causes to adsorb, and causes sampled result inaccurate, while these parts of disassembly, cleaning are also relatively difficult.
Chinese patent CN101678734A discloses the device of control air-flow, including a valve with least two valves
Door assembly, wherein, the valve in valve assembly can rotate between the first position and the second position；Drive device；Also have one
The individual power plant module being connected with valve assembly, it can be moved in the presence of drive device along first direction of motion, while valve
The second place is rotated to from first position.Power plant module can also move in the presence of drive device along second direction of motion, together
When valve rotate to first position from the second place.In addition, device also includes the input that a requirement position by valve inputs
Device；The detection means of one detection valve physical location；The selection device of one first and second direction of motion of selection, by
It can be such that valve quickly rotates to from physical location to require position；The control device of one control drive device, so, move
Power module makes valve be rotated to from physical location along the direction of motion selected in selection device and require position.But the device
Mainly adjust air-flow by rotating, sealing property is poor, and the device can not also realize simultaneously flow instruction, it is non-return with
The multiple functions such as current limliting.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind have flow instruction,
The multi-functional gas flow optimized multifunctional element such as non-return, current limliting.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of gas flow optimized multifunctional element, including：
With graduated tapered glass tube, for storing sample gas,
The glass tube being connected with tapered glass tube upper end,
The upper fixing element of glass tube lifting is controlled,
The ball float for the polytetrafluoroethylene (PTFE) material being arranged in tapered glass tube, for limiting gas flow,
The lower fixture of tapered glass tube lower end is connected to, polytetrafluoroethylene (PTFE) ball float can be coordinated to realize inverse-stopping functions, it is above-mentioned
Parts are made using the material of inertia material, avoid absorption of the micro part to gas.
Preferably, glass tube can adjust the length in insertion tapered glass tube to adjust height, by adjusting glass tube
Lifting come adjust collection gas flow bound.
Preferably, glass tube offers crack in the side wall of bottom.
It is further preferred that the bottom of glass tube offers cross crack.
Preferably, upper press cover and the nut that is set in upper press cover on of the upper fixing element for polytetrafluoroethylene (PTFE) material, upper press cover
Used as pressure cover.
Preferably, lower fixture is the lower cover of the polytetrafluoroethylene (PTFE) material with connecting tube.
Instrument passes through taper when gathering gas, with the polytetrafluoroethylene (PTFE) ball float in graduated tapered glass tube in gas
Float during pipe, what polytetrafluoroethylene (PTFE) ball float floated depends highly on the gas flow in graduated tapered glass tube.As needed
Increase gas flow, unclamp the hold-doun nut of glass tube lifting with the scale on graduated tapered glass tube by reading, adjust
The height of lifting glass pipe of the section with cross crack increases or decreases the flow rate upper limit in glass tube.When flow increase,
Polytetrafluoroethylene (PTFE) ball float is influenceed rising by gas flow and reach a certain height, in pipe during flow collection to target flow, poly- four
The primary air inlet of crack glass tube is blocked by PVF club, and gas can only enter from crack mouth, so as to reach the purpose of current limliting, when
Gas is discharged, and gas flow is drastically reduced in pipe, and polytetrafluoroethylene (PTFE) club automatically falls off.
If reverse flow phenomenon occurs for the gas in glass tube, ball float can be influenceed to fall rapidly by gas flow to be blocked
The air admission hole that tapered glass tube lower end is formed with lower cover, reaches non-return purpose.
Preferably, the anchorage clip of retaining element when being additionally included in sampling.
Compared with prior art, the present invention uses modular design, makes flow indication function, current-limiting function and inverse-stopping functions
Integration, such as gas on-site sampling may dispense with field installation steps, save manpower, improve the work effect of sampling
Rate, air-flow inverse-stopping functions can ensure the purity of gas.Also it can be used in controlling on the instrument of gas flow, assist instrument
Device controls gas flow.The compact design of integration is more suitable for portable sampling.The part contacted with medium is glass and poly- four
PVF material, solves the absorption problem of micro component.It is portable and cost is cheap, quick detachable, easy cleaning.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of anchorage clip.
In figure, 1- glass tubes, 2- nuts, 3- upper press covers, 4- tapered glass tubes, 5- ball floats, 6- lower covers, 7- anchorage clips.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
A kind of gas flow optimized multifunctional element, its structure as shown in figure 1, including with graduated tapered glass tube 4, with
The glass tube 1 of the upper end of tapered glass tube 4 connection, the glass tube 1 can be adjusted by adjusting the length in insertion tapered glass tube 4
Section height, and position is controlled by the upper press cover 3 of polytetrafluoroethylene (PTFE) material and the nut 2 being set on upper press cover 3, in glass
Glass pipe 1 offers cross crack in the side wall of bottom.
The ball float 5 for the polytetrafluoroethylene (PTFE) material being provided with tapered glass tube 4, can be lifted with air-flow.Tapered glass tube 4
Lower end be connected with the lower cover 6 of polytetrafluoroethylene (PTFE) material.Said modules make to obtain using inertia material, avoid micro
Absorption of the part to gas.
This element passes through tapered glass tube when gathering gas, with the ball float 5 in graduated tapered glass tube 4 in gas
Float when 4, what ball float 5 floated depends highly on the gas flow in graduated tapered glass tube 4.Such as need to increase gas stream
Amount, by reading with the scale on graduated tapered glass tube 4, the nut 2 that control glass tube 1 lifts is unclamped, regulation carries
The height of the glass tube 1 in cross crack increases or decreases the flow rate upper limit in glass tube.When flow increase, ball float 5 is by gas
Body flow effect, which rises, to be reach a certain height, and in pipe during flow collection to target flow, ball float 5 can be blocked immediately below glass tube 1
Primary air inlet, the crack mouth that gas can only open up from side wall enters, so as to reach the purpose of current limliting, when gas discharges, pipe
Interior gas flow is drastically reduced, and ball float 5 can be automatically fallen off.If reverse flow phenomenon, the meeting of ball float 5 occur for the gas in glass tube
Influenceed to fall the air admission hole blocked the lower end of tapered glass tube 4 and formed with lower cover 6 rapidly by gas flow, reach non-return mesh
, so as to flow be indicated, non-return and three function integrations of current limliting.
Embodiment 2
A kind of gas flow optimized multifunctional element, its structure is roughly the same with embodiment 1, and the present embodiment also includes fastening
Folder 7, as shown in Fig. 2 so this element can be fixed in sampling.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (10)
1. a kind of gas flow optimized multifunctional element, it is characterised in that the element includes：
With graduated tapered glass tube,
The glass tube being connected with tapered glass tube upper end,
The upper fixing element of glass tube lifting is controlled,
The ball float being arranged in tapered glass tube,
It is connected to the lower fixture of tapered glass tube lower end.
2. a kind of gas flow optimized multifunctional element according to claim 1, it is characterised in that described glass tube can
The length in insertion tapered glass tube is adjusted to adjust height.
3. a kind of gas flow optimized multifunctional element according to claim 1, it is characterised in that described glass tube is close
Crack is offered in the side wall of bottom.
A kind of 4. gas flow optimized multifunctional element according to claim 1 or 3, it is characterised in that described glass tube
Bottom offer cross crack.
5. a kind of gas flow optimized multifunctional element according to claim 1, it is characterised in that described upper fixing element is
Upper press cover and the nut being set on upper press cover.
6. a kind of gas flow optimized multifunctional element according to claim 5, it is characterised in that described upper press cover is poly-
The gland of tetrafluoroethene material.
7. a kind of gas flow optimized multifunctional element according to claim 1, it is characterised in that described ball float is poly- four
The ball float of PVF material.
8. a kind of gas flow optimized multifunctional element according to claim 1, it is characterised in that described lower fixture is
Lower cover with connecting tube.
9. a kind of gas flow optimized multifunctional element according to claim 8, it is characterised in that described lower cover is poly-
The gland of tetrafluoroethene material.
10. a kind of gas flow optimized multifunctional element according to claim 1, it is characterised in that when being additionally included in sampling
The anchorage clip of retaining element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710853101.7A CN107727177B (en) | 2017-09-20 | 2017-09-20 | Multifunctional element for controlling air flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710853101.7A CN107727177B (en) | 2017-09-20 | 2017-09-20 | Multifunctional element for controlling air flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107727177A true CN107727177A (en) | 2018-02-23 |
| CN107727177B CN107727177B (en) | 2019-12-13 |
Family
ID=61207263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710853101.7A Active CN107727177B (en) | 2017-09-20 | 2017-09-20 | Multifunctional element for controlling air flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107727177B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56615A (en) * | 1979-06-15 | 1981-01-07 | Mitsubishi Heavy Ind Ltd | Flowmeter |
| JPH1194607A (en) * | 1997-09-24 | 1999-04-09 | Sumitomo Heavy Ind Ltd | Rotameter |
| CN2854523Y (en) * | 2005-12-23 | 2007-01-03 | 北京海慧信息科技有限公司 | Gas flow sensor |
| CN200996841Y (en) * | 2006-07-04 | 2007-12-26 | 深圳大学 | Rotor flowmeter |
| JP2012078223A (en) * | 2010-10-01 | 2012-04-19 | Disco Abrasive Syst Ltd | Flow detection unit |
| CN107023696A (en) * | 2017-05-27 | 2017-08-08 | 上海化工研究院有限公司 | A kind of magnetic control one-way throttle valve |
-
2017
- 2017-09-20 CN CN201710853101.7A patent/CN107727177B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56615A (en) * | 1979-06-15 | 1981-01-07 | Mitsubishi Heavy Ind Ltd | Flowmeter |
| JPH1194607A (en) * | 1997-09-24 | 1999-04-09 | Sumitomo Heavy Ind Ltd | Rotameter |
| CN2854523Y (en) * | 2005-12-23 | 2007-01-03 | 北京海慧信息科技有限公司 | Gas flow sensor |
| CN200996841Y (en) * | 2006-07-04 | 2007-12-26 | 深圳大学 | Rotor flowmeter |
| JP2012078223A (en) * | 2010-10-01 | 2012-04-19 | Disco Abrasive Syst Ltd | Flow detection unit |
| CN107023696A (en) * | 2017-05-27 | 2017-08-08 | 上海化工研究院有限公司 | A kind of magnetic control one-way throttle valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107727177B (en) | 2019-12-13 |
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Address after: 200062 Shanghai city Putuo District Yunling Road No. 345 Applicant after: Shanghai Chemical Research Institute Co., Ltd. Applicant after: Shanghai Chemical Institute Testing Co., Ltd. Address before: 200062 Shanghai city Putuo District Yunling Road No. 345 Applicant before: Shanghai Chemical Research Institute Co., Ltd. Applicant before: Shanghai Tianke Chemical Detection Co., Ltd. |