CN206339269U - A kind of gas flow monitor - Google Patents
A kind of gas flow monitor Download PDFInfo
- Publication number
- CN206339269U CN206339269U CN201720029850.3U CN201720029850U CN206339269U CN 206339269 U CN206339269 U CN 206339269U CN 201720029850 U CN201720029850 U CN 201720029850U CN 206339269 U CN206339269 U CN 206339269U
- Authority
- CN
- China
- Prior art keywords
- differential pressure
- pressure generator
- gas flow
- interface
- cavity
- 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.)
- Expired - Fee Related
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a kind of gas flow monitor, including differential pressure generator, the side of differential pressure generator is provided with air inlet, and the opposite side of differential pressure generator is provided with gas outlet, it is provided with first cavity in the first differential pressure generator interface, the second cavity and is provided with the second differential pressure generator interface；It is connected with the first differential pressure generator interface and the second differential pressure generator interface by wire on pressure acquisition analyzer, pressure acquisition analyzer and is electrically connected with pressure sensor.This gas flow monitor, when under test gas is entered in differential pressure generator by the wireway in inlet port, gas can produce Venturi effect when flowing through, produce a pressure differential related to air velocity, the pressure is acquired by pressure sensor, pressure progress processing of the pressure analyzer to collection draws the gas flow of unit interval, it is only necessary to carry out one-shot measurement, reaches low and high precision the purpose of error.
Description
Technical field
The utility model is related to flow detection technical field, especially a kind of gas flow monitor.
Background technology
, it is necessary to be sampled to object gas in Detection of Air Quality, to ensure the accuracy of result, it is necessary to sampling
The total amount of gas is measured.Because the usual concentration of detected object is extremely low, it is necessary to longer sampling time collection target components, this
Sample is just easy to ensure the reliability of result so that detection process is cumbersome, simultaneously because repeatedly measurement, inevitably produces mistake
Difference, often has influence on measurement result.
Utility model content
The purpose of this utility model is to provide a kind of gas flow monitor, with error is low and high precision is to solve
The problem of being proposed in above-mentioned background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of gas flow monitor, including pressure
Difference generator, the side of the differential pressure generator is provided with air inlet, and the opposite side of differential pressure generator is provided with gas outlet, and pressure difference occurs
The first cavity and the second cavity are arranged with the top of device；The air inlet and gas outlet are communicated, in the air inlet and outlet
It is intraoral to be equipped with wireway；It is provided with first cavity in the first differential pressure generator interface, the second cavity and is provided with the second pressure difference
G-interface；The wireway is communicated with the first differential pressure generator interface and the second differential pressure generator interface, described
Pressure acquisition analyzer, pressure acquisition are connected with by wire on one differential pressure generator interface and the second differential pressure generator interface
Pressure sensor is electrically connected with analyzer.
It is used as further program of the utility model：The air inlet is identical with the diameter of gas outlet, air inlet and outlet
Mouth is symmetrically distributed in the both sides of differential pressure generator.
It is used as further program of the utility model：The first differential pressure generator interface and the second differential pressure generator interface
With the perpendicular shape of wireway, and wireway (2) middle part be in contraction-like structure.
It is used as further program of the utility model：The diameter and identical length of first cavity and the second cavity are same.
Compared with prior art, the utility model beneficial effect：
This gas flow monitor, when under test gas by the wireway in inlet port enter differential pressure generator in, due to
Special construction between first differential pressure generator interface and the second differential pressure generator interface, venturi can be produced when gas flows through
Effect, produces a pressure related to air velocity between the first differential pressure generator interface and the second differential pressure generator interface
Difference, is acquired by pressure sensor to the pressure, and pressure progress processing of the pressure analyzer to collection draws the unit interval
Gas flow, it is only necessary to carry out one-shot measurement, reach that error is low and the purpose of high precision.
Brief description of the drawings
Fig. 1 is overall structure figure of the present utility model.
In figure：1- differential pressure generators；11- air inlets；12- gas outlets；The cavitys of 13- first；The cavitys of 14- second；2- air guides
Pipe；3- the first differential pressure generator interfaces；4- the second differential pressure generator interfaces；5- pressure acquisition analyzers；6- pressure sensors.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to Fig. 1, in the utility model embodiment, a kind of gas flow monitor, including differential pressure generator 1, pressure
The side of difference generator 1 is provided with air inlet 11, and the opposite side of differential pressure generator 1 is provided with gas outlet 12, air inlet 11 and gas outlet
12 diameter is identical, and air inlet 11 and gas outlet 12 are symmetrically distributed in the both sides of differential pressure generator 1 so that air inlet 11 and outlet
Mouth 12 is in same horizontal line, is not in the situation that wireway 2 is distorted when installing wireway 2, so as to influence to lead
Air-flow velocity in tracheae 2, the top of differential pressure generator 1 is arranged with the first cavity 13 and the second cavity 14, the first cavity 13
Diameter and identical length with the second cavity 14 is same, in the case of the first cavity 13 and the second cavity 14 all identicals, the number of measurement
It is accurate according to adopting；Air inlet 11 and gas outlet 12 are communicated, and wireway 2 is equipped with air inlet 11 and gas outlet 12, and wireway 2 is worn
Air inlet 11 and gas outlet 12 are crossed, under test gas enters in differential pressure generator 1 from the wireway 2 in air inlet 11, and wireway 2 is
Soft materials, effect is that the pressure of the difference of differential pressure generator 1 is transmitted into pressure sensor 6, and pressure acquisition analyzer 5 is calculated
Flow；It is provided with first cavity 13 in first differential pressure generator interface 3, the second cavity 14 and is provided with the second differential pressure generator interface 4,
Wireway 2 is communicated with the first differential pressure generator interface 3 and the second differential pressure generator interface 4, the He of the first differential pressure generator interface 3
Second differential pressure generator interface 4 and the perpendicular shape of wireway 2, and wireway middle part is in contraction-like structure, due to the first pressure
Special construction between the differential pressure generator interface 4 of difference generator interface 3 and second, venturi effect can be produced when gas flows through
Should, pressure acquisition analyzer is connected with by wire on the first differential pressure generator interface 3 and the second differential pressure generator interface 4
5, a pressure related to air velocity is produced between the first differential pressure generator interface 3 and the second differential pressure generator interface 4
Difference, is acquired by 6 pairs of pressure of pressure sensor, pressure sensor 6 is electrically connected with pressure acquisition analyzer 5, pressure
The pressure progress processing of 5 pairs of collections of power analyzer draws the gas flow of unit interval, reaches low and high precision the purpose of error.
In summary；This gas flow monitor, sends out when under test gas enters pressure difference by the wireway 2 in inlet port 11
In raw device 1, due to the special construction between the first differential pressure generator interface 3 and the second differential pressure generator interface 4, when gas flows through
When can produce Venturi effect, between the first differential pressure generator interface 3 and the second differential pressure generator interface 4 produce one and gas
The pressure differential of velocity correlation is flowed, is acquired by 6 pairs of pressure of pressure sensor, the pressure of 5 pairs of collections of pressure analyzer enters
Row processing draws the gas flow of unit interval, it is only necessary to carry out one-shot measurement, reaches low and high precision the purpose of error.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (4)
1. a kind of gas flow monitor, including differential pressure generator (1), it is characterised in that：The one of the differential pressure generator (1)
Side is provided with air inlet (11), and the opposite side of differential pressure generator (1) is provided with gas outlet (12), and the top of differential pressure generator (1) is symmetrical
Provided with the first cavity (13) and the second cavity (14)；The air inlet (11) and gas outlet (12) are communicated, in the air inlet
(11) and in gas outlet (12) it is equipped with wireway (2)；The first differential pressure generator interface is provided with first cavity (13)
(3) the second differential pressure generator interface (4), is provided with the second cavity (14)；The wireway (2) and the first differential pressure generator interface
(3) communicated with the second differential pressure generator interface (4), in the first differential pressure generator interface (3) and the second differential pressure generator
Pressure acquisition analyzer (5) is connected with by wire on interface (4), pressure acquisition analyzer is electrically connected with pressure on (5)
Sensor (6).
2. a kind of gas flow monitor according to claim 1, it is characterised in that：The air inlet (11) and outlet
The diameter of mouthful (12) is identical, and air inlet (11) and gas outlet (12) are symmetrically distributed in the both sides of differential pressure generator (1).
3. a kind of gas flow monitor according to claim 1, it is characterised in that：First differential pressure generator connects
Mouth (3) and the second differential pressure generator interface (4) and wireway (2) perpendicular shape, and wireway (2) middle part is in contraction-like knot
Structure.
4. a kind of gas flow monitor according to claim 1, it is characterised in that：First cavity (13) and
The diameter and identical length of two cavitys (14) are same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720029850.3U CN206339269U (en) | 2017-01-11 | 2017-01-11 | A kind of gas flow monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720029850.3U CN206339269U (en) | 2017-01-11 | 2017-01-11 | A kind of gas flow monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206339269U true CN206339269U (en) | 2017-07-18 |
Family
ID=59305087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720029850.3U Expired - Fee Related CN206339269U (en) | 2017-01-11 | 2017-01-11 | A kind of gas flow monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206339269U (en) |
-
2017
- 2017-01-11 CN CN201720029850.3U patent/CN206339269U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103837214B (en) | Combined container type gas flow detection device by pVTt method | |
| CN208296945U (en) | Electronic scale Static mass method water flow standard apparatus used in parallel | |
| CN203732104U (en) | Laminar flow tube used for flow detection of high temperature and high pressure gas | |
| CN206020318U (en) | A kind of gas dew point analytical equipment | |
| CN101915664B (en) | Digital full functional water nozzle test system | |
| CN107677317A (en) | Flue dust gas sampling comprehensive detection system | |
| CN106052775A (en) | Moisture liquid phase containing rate measurement device using dual-ratio method | |
| CN104005974B (en) | A kind of Coal Mine Ventilator flow-measuring method based on pressure correlation method | |
| CN206339269U (en) | A kind of gas flow monitor | |
| CN104840201A (en) | Main flow type breathing flow real-time monitoring device and method | |
| CN203798820U (en) | Sampling wind speed monitoring device and enthalpy potential method experiment detection equipment having same | |
| CN108398366A (en) | A kind of power plant's compressed air gaseous mass comprehensive detection and analysis system and method | |
| CN110793583A (en) | Plug-in pipeline gas measuring instrument | |
| CN202599975U (en) | Portable dust-containing airflow air speed monitoring device | |
| CN105157766A (en) | Two-differential-pressure moisture flow on-line measuring device and method | |
| CN107870012A (en) | The device and method of rate-of flow under a kind of heat balance method of test complex environment | |
| CN203572515U (en) | Plug-in gas parameter measurement instrument | |
| CN210487545U (en) | Electric mask air supply amount detection device and electric mask air supply amount and purification performance detection device | |
| CN106644883A (en) | Mask sealing degree tester | |
| CN210426717U (en) | Sound velocity nozzle calibrating device | |
| CN209264400U (en) | A kind of dust-proof smoke sampling mixing arrangement of regulating flow quantity | |
| CN208488130U (en) | A kind of apparatus for measuring air quantity | |
| CN207004780U (en) | Extraction flow control system based on double absolute pressure methods in side stream type gasmetry | |
| CN209513607U (en) | A kind of multi-mode gas analyzing apparatus | |
| CN204128646U (en) | A kind of normal flow generation device of gas meter, flow meter error of indication monitor station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170718 Termination date: 20190111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |