CN205426256U - Orifice metre of band wire nature resistance regulator - Google Patents
Orifice metre of band wire nature resistance regulator Download PDFInfo
- Publication number
- CN205426256U CN205426256U CN201521071299.6U CN201521071299U CN205426256U CN 205426256 U CN205426256 U CN 205426256U CN 201521071299 U CN201521071299 U CN 201521071299U CN 205426256 U CN205426256 U CN 205426256U
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- China
- Prior art keywords
- linear
- dragulator
- main frame
- orifice metre
- fixed plate
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- Expired - Fee Related
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- 238000010079 rubber tapping Methods 0.000 claims description 9
- 230000004308 accommodation Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000004458 analytical method Methods 0.000 abstract description 2
- 238000013480 data collection Methods 0.000 abstract 1
- 239000012528 membrane Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
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Abstract
The utility model discloses an orifice metre of band wire nature resistance regulator, including the drill way to and the resistance regulator of pressing mouth, flowmeter host computer, having linear resistance control range of getting that the side was managed to the pressure is being got at the pressure pipe of getting of drill way lower part with setting up to the setting, its characterized in that: get and press getting on the pipe to press mouthful to be connected with the air inlet of flowmeter host computer, to get and press the pipe lower extreme to be connected with the orifice metre casing, the interior outer joint of linear resistance regulator and flowmeter casing, flowmeter casing lower extreme is connected with atmosphere equipment air inlet through the connecting pipe, the utility model discloses in can be used to flow measurement, demarcation, calibration, examination and the flow control performance analysis's of multi -field gaseous equipment work, data collection is accurate, convenient to carry.
Description
Technical field
This utility model relates to the orifice metre of the measurement of gas flow, particularly relates to orifice flow that is a kind of that be applicable to air equipment flow measurement and that have linear resistance regulatory function concurrently metering device, belongs to air equipment Calibration Technology field.
Background technology
At present, the existing measurement for air equipment flow, the orifice metre demarcated, calibrate, examine and determine, it aperture and pressure tappings of lower end, aperture of including connecting air equipment inlet end, and realize the main frame of the functions such as flow rate calculation storage display, lifting along with the performance such as sensor, single-chip microcomputer, the detection speed of effusion meter is fast, and precision is high；Its deficiency is: while effusion meter carries out the measurement of gas flow, also need to effusion meter rear end connect a regulation valve that can change air resistance, it is used for examining and determine the Flow Adjusting Performance of air equipment when air resistance environmental change, but resistance control valve is difficulty with the linear regulation of air resistance, in its effective range of accommodation, only in the least opereating specification, vapour lock change is the most obvious, therefore resistance control valve is not provided that the vapour lock of steady change, causes being difficulty with comprehensive analysis of Flow Adjusting Performance in the range of air equipment can bear vapour lock.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, a kind of air equipment assay device organically combined with dragulator by orifice metre is provided, on the basis of the flow measurement function keeping orifice metre, increase linear air resistance adjusting means, sufficiently judge air equipment Flow Adjusting Performance under the conditions of vapour lock linear change, improve the accuracy of assessment of performance；This effusion meter can be used for multi-field gas apparatus flow measurement, demarcate, calibrate, examine and determine and Flow Adjusting Performance analyze work in, gather data accurate, easy to carry.
For realizing the purpose of this utility model, this utility model is achieved by the following technical solutions: with the orifice metre of linear dragulator, including aperture, and it is arranged on the pressure pipe of bottom, aperture and is arranged on the pressure tappings of pressure pipe side, effusion meter main frame, there is the dragulator of linear resistance range of accommodation；It is characterized in that: the pressure tappings on pressure pipe is connected with the air inlet of effusion meter main frame, pressure pipe lower end is connected with orifice metre housing, linear resistance actuator is inside and outside with flowmeter shell to be connected, and flowmeter shell lower end is connected with air equipment air inlet by connecting tube.
Described effusion meter main frame, accurately calculates the gas flow at aperture by sensor and computing circuit, and flow value is shown by display screen, and main frame has the DC power supply of charger interface, and electric quantity of power supply shows on a display screen.
Described linear resistance actuator is made up of outside adjustment disk, internal fixed plate and internal regulation plate, outside adjustment disk is arranged on flowmeter shell fixed plate outside, internal and adjustable plate is arranged on inside flowmeter shell, respective air permeable region is all had on fixed plate and adjustable plate, adjustable plate opposing fixed plate rotates, between two plates, gas flow area changes, it is achieved the linear regulation of air resistance；Being connected by strength magnet steel between the outside adjustment disk of dragulator and internal regulation plate, according to scale value revolving outer adjustment disk, internal regulation plate opposing fixed plate rotates, can realize the linear regulation of air resistance.
The advantage of the orifice metre of the linear dragulator of this utility model band is:
1, dragulator can realize air resistance linear regulation；
2, the outside adjustment disk of dragulator is marked with scale value and range of accommodation, and air resistance regulation is easy and simple to handle, directly perceived；
3, orifice metre organically combines with dragulator, it is achieved the air equipment gas flow under air resistance contingent condition and the calibrating of regulation performance；
4, effusion meter main frame uses high accuracy differential pressure pick-up, singlechip technology, measures quickly, accurately；
5, orifice metre possesses detection atmospheric pressure, ambient temperature and humidity, operating mode flow, mark condition flow, the ability of orifice differential.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the orifice metre overall structure schematic diagram with linear dragulator.
Fig. 2 is locations of structures and the scheme of installation of linear resistance actuator.
In figure: 1-aperture；2-pressure pipe；3-pressure tappings；4-air inlet；5-display screen；6-effusion meter main frame；7-dragulator；The outside adjustment disk of 71-dragulator；72-dragulator internal regulation plate；The internal fixed plate of 73-dragulator；8-connecting tube；9-flowmeter shell；10-filter membrane and filter membrane clip.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Embodiment:
As shown in Figure 1, 2, a kind of embodiment for the orifice metre of the linear dragulator of this utility model band, this effusion meter includes aperture 1, and is arranged on the pressure pipe 2 of bottom, aperture 1 and is arranged on the pressure tappings 3 of pressure pipe 2 side, effusion meter main frame 6, has the dragulator 7 of linear resistance range of accommodation；Aperture 1 is connected with pressure pipe 2, pressure tappings 3 on pressure pipe 2 is connected with the air inlet 4 of effusion meter main frame 6, pressure pipe 2 lower end is connected with orifice metre housing 9, linear resistance actuator 7 is inside and outside with flowmeter shell 9 to be connected, and flowmeter shell 9 lower end is connected with air equipment air inlet by connecting tube 8；Filter membrane and filter membrane clip 10 also can be installed in flowmeter shell 9 internal drag actuator 7 rear end.
Effusion meter main frame 6, accurately calculates the gas flow at aperture 1 by internal sensor and computing circuit, and flow value is shown by display screen 5, and main frame has the DC power supply of charger interface, and electric quantity of power supply shows on display screen 5.
Linear resistance actuator 7 is made up of outside adjustment disk 71, internal fixed plate 73 and internal regulation plate 72, it is outside that outside adjustment disk 71 is arranged on flowmeter shell 9, it is internal that internal fixed plate 73 and adjustable plate 72 are arranged on flowmeter shell 9, respective air permeable region is all had on fixed plate 73 and adjustable plate 72, adjustable plate 72 opposing fixed plate 73 rotates, between two plates, gas flow area changes, it is achieved the linear regulation of air resistance；Being connected by strength magnet steel between the outside adjustment disk 71 of dragulator and internal regulation plate 72, according to scale value revolving outer adjustment disk, internal regulation plate opposing fixed plate rotates, can realize the linear regulation of air resistance.
Using method: connecting tube 8 is connected with air equipment inlet end, pressure tappings 3 is connected to effusion meter main frame air inlet 4, startup optimization air equipment, the gas flow of air equipment can be measured by effusion meter, it is also possible to according to the gas flow values on effusion meter, air equipment is carried out gas flow demarcation and calibration；It addition, regulation dragulator 7, it is achieved air resistance linear change, Flow Adjusting Performance and the Flow-rate adjustment limit of power of air equipment can be examined and determine, thus judge air equipment regulation performance under the conditions of gas with various resistance.
Certainly; described above is not to restriction of the present utility model, and this utility model is also not limited to the example above, those skilled in the art; in essential scope of the present utility model, the change made, retrofit, add or replace, all should belong to protection domain of the present utility model.
Claims (3)
1. the orifice metre with linear dragulator, it is characterised in that: include aperture, and be arranged on the pressure pipe of bottom, aperture and be arranged on the pressure tappings of pressure pipe side, effusion meter main frame, there is the dragulator of linear resistance range of accommodation；It is characterized in that: the pressure tappings on pressure pipe is connected with the air inlet of effusion meter main frame, pressure pipe lower end is connected with orifice metre housing, linear resistance actuator is inside and outside with flowmeter shell to be connected, and flowmeter shell lower end is connected with air equipment air inlet by connecting tube.
The orifice metre of the linear dragulator of band the most according to claim 1, it is characterised in that: described linear resistance actuator is made up of outside adjustment disk, internal fixed plate and internal regulation plate；The adjustment disk indicating scale value and range of accommodation is arranged on outside flowmeter shell, and fixed plate and adjustable plate are arranged on inside flowmeter shell, and fixed plate and adjustable plate all have respective air permeable region；Being connected by strength magnet steel between the outside adjustment disk of dragulator and internal regulation plate, according to scale value revolving outer adjustment disk, internal regulation plate opposing fixed plate rotates, can realize the linear regulation of air resistance.
The orifice metre of the linear dragulator of band the most according to claim 1, it is characterized in that: described effusion meter main frame, the gas flow at aperture is accurately calculated by sensor and computing circuit, flow value is shown by display screen, main frame has the DC power supply of charger interface, and electric quantity of power supply shows on a display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521071299.6U CN205426256U (en) | 2015-12-17 | 2015-12-17 | Orifice metre of band wire nature resistance regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521071299.6U CN205426256U (en) | 2015-12-17 | 2015-12-17 | Orifice metre of band wire nature resistance regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205426256U true CN205426256U (en) | 2016-08-03 |
Family
ID=56537975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521071299.6U Expired - Fee Related CN205426256U (en) | 2015-12-17 | 2015-12-17 | Orifice metre of band wire nature resistance regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205426256U (en) |
-
2015
- 2015-12-17 CN CN201521071299.6U patent/CN205426256U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |