CN105888984B - A kind of differential pressure type wind speed transducer - Google Patents
A kind of differential pressure type wind speed transducer Download PDFInfo
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- CN105888984B CN105888984B CN201410826848.XA CN201410826848A CN105888984B CN 105888984 B CN105888984 B CN 105888984B CN 201410826848 A CN201410826848 A CN 201410826848A CN 105888984 B CN105888984 B CN 105888984B
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- adapting pipe
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- pumping tube
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Abstract
The present invention relates to a kind of differential pressure type wind speed transducers, wind pressure adapting pipe there are two being arranged side by side in vacuum-pumping tube, Voltage force inductive component is installed in vacuum-pumping tube, and the ABS plastic plug that can be slided above and below vertically is equipped in the wind pressure adapting pipe being located in vacuum-pumping tube, it is equipped with the T-type connector towards vacuum-pumping tube central axis on the side wall of ABS plastic plug, oxygen is filled in the wind pressure adapting pipe for the ABS plastic plug lower part being located at.The present invention is influenced by ABS plastic plug by wind pressure, it not only feeds back in traditional air pressure difference detection device, the distance between capacitor board is fed back to simultaneously, to influence the voltage change between it, another approach for obtaining data is provided, reference value is had more, vacuum tube closed simultaneously can reduce the influence of temperature to the greatest extent, the stability of measurement result is improved, the oxygen density of filling is lower, and the displacement range after enabling to wind pressure to feed back to ABS plastic beyond the Great Wall is bigger.
Description
Technical field
The present invention relates to a kind of differential pressure type wind speed transducers.
Background technique
In well known technical field, wind speed transducer is the ideal chose of accurate Ventilation Control application, is mainly used for monitoring
The size of wind speed, generally based on classical Pitot tube differential pressure principle, in scientific research, production, teaching, environmental protection and purification
Room, mine ventilation, energy management department commonly use Pitot tube measurement air velocity duct, the air velocity in stove flue, by conversion
It determines flow, also can measure the water velocity in pipeline.Flow is tested the speed and determined with Pitot tube, there is reliable rationale,
It is easy to use, accurate, it is a kind of extensive measurement method of classics.The existing wind speed transducer using Pitot tube differential pressure principle
Ability air duct is usually easy the puzzlement by temperature and mechanical sensitivity during sampling, can only be merely by two tubes
Pressure difference measures, and data are not very stable.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the above mentioned problems and provide a kind of differential pressure type wind speed transducer, Neng Goujin
Amount reduces the disturbing factor of temperature, increases dynamically balanced capacitor board, a data is in addition obtained, so that final result is more steady
It is fixed, accurate.
The technical solution adopted by the present invention to solve the technical problems is: a kind of differential pressure type wind speed transducer, including sampling
Shell and air pressure difference detection device are equipped with the vacuum-pumping tube being vertically arranged in the sampling shell, vacuumize described
It is arranged side by side in pipe there are two wind pressure adapting pipe, there is the angular cut in face of wind direction positioned at the top of the wind pressure adapting pipe in left side,
And the top for being located at the wind pressure adapting pipe on right side has the angular cut that facing away from wind direction, is equipped with voltage in the vacuum-pumping tube
Power inductive component, the Voltage force inductive component has spaced upper capacitor board, lower capacitor board, and is being located at vacuum-pumping tube
It is equipped with the ABS plastic plug that can be slided above and below vertically in interior wind pressure adapting pipe, is all provided on the side wall of the ABS plastic plug
There is the T-type connector towards vacuum-pumping tube central axis, and the upper capacitor board, lower capacitor board are separately mounted to positioned at left side
The top of T-type connector, positioned at right side T-type connector bottom, be located at ABS plastic plug lower part wind pressure adapting pipe in fill out
Filled with oxygen, the wind pressure adapting pipe positioned at left side is connected to by pressure sensor the negative pole end in air pressure difference detection device,
Wind pressure adapting pipe positioned at right side is connected to by pressure sensor the positive terminal in air pressure difference detection device, in the air
The potentiometer for detecting voltage between upper capacitor board and lower capacitor board is additionally provided in pressure test device.
Further, moving up and down in order to facilitate T-type connector, the present invention in correspond to the T-type connector position
It sets, be equipped with vertical chute on the side wall of the wind pressure adapting pipe.
The beneficial effects of the present invention are: the configuration of the present invention is simple, increases on the basis of traditional Pitot tube differential pressure principle
The upper capacitor board and lower capacitor board for constituting dynamic equilibrium, are influenced by wind pressure by ABS plastic plug, are not only fed back to traditional
The distance between in air pressure difference detection device, while feeding back to capacitor board, to influence the voltage change between it, provide another
A kind of outer approach for obtaining data has more reference value, while closed vacuum so that the data measured in real time are more accurate
Pipe can reduce the influence of temperature to the greatest extent, improve the stability of measurement result, and the oxygen density of filling is lower, enables to wind pressure
Displacement range after feeding back to ABS plastic beyond the Great Wall is bigger.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the partial enlargement diagram of Fig. 1；
Fig. 3 is the cross section view of Fig. 2；
In figure: 1. sampling shells, 2. vacuum-pumping tubes, 3. wind pressure adapting pipes, capacitor board on 4., 5. lower capacitor boards, 6.ABS modeling
Material plug, 7.T type connector.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
The preferred embodiment of differential pressure type wind speed transducer of the present invention as shown in FIG. 1 to 3, including sampling shell 1 and sky
Draught head detection device is equipped with the vacuum-pumping tube 2 being vertically arranged in sampling shell 1, and being arranged side by side in vacuum-pumping tube 2 has
Two wind pressure adapting pipes 3 have the angular cut in face of wind direction positioned at the top of the wind pressure adapting pipe 3 in left side, and are located at right side
The top of wind pressure adapting pipe 3 has the angular cut that facing away from wind direction, and Voltage force inductive component is equipped in vacuum-pumping tube 2, electricity
Pressure sensitive component has spaced upper capacitor board 4, lower capacitor board 5, and in the wind pressure adapting pipe being located in vacuum-pumping tube 2
It is equipped with the ABS plastic plug 6 that can be slided above and below vertically in 3, is equipped on the side wall of ABS plastic plug 6 towards vacuum-pumping tube 2
The T-type connector 7 of central axis is equipped with perpendicular corresponding to the position of the T-type connector 7, on the side wall of wind pressure adapting pipe 3
Straight runner, and upper capacitor board 4, lower capacitor board 5 are separately mounted to the top of the T-type connector 7 positioned at left side, the T positioned at right side
The bottom of type connector 7 is filled with oxygen, the wind pressure positioned at left side in the wind pressure adapting pipe 3 for being located at 6 lower part of ABS plastic plug
Adapting pipe 3 is connected to the negative pole end in air pressure difference detection device by pressure sensor, and the wind pressure adapting pipe 3 positioned at right side is logical
Over-voltage force snesor is connected to the positive terminal in air pressure difference detection device, is additionally provided with and is used in air pressure difference detection device
In detection between capacitor board 4 and lower capacitor board 5 voltage potentiometer.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (2)
1. a kind of differential pressure type wind speed transducer, including sampling shell (1) and air pressure difference detection device, it is characterised in that: in institute
State sampling shell (1) in the vacuum-pumping tube (2) being vertically arranged is installed, in the vacuum-pumping tube (2) be arranged side by side there are two
Wind pressure adapting pipe (3) has the angular cut in face of wind direction positioned at the top of the wind pressure adapting pipe (3) in left side, and is located at right side
The top of wind pressure adapting pipe (3) has the angular cut that facing away from wind direction, and Voltage force induction is equipped in the vacuum-pumping tube (2)
Component, the Voltage force inductive component has spaced upper capacitor board (4), lower capacitor board (5), and is being located at vacuum-pumping tube
(2) the ABS plastic plug (6) that can be slided above and below vertically is equipped in the wind pressure adapting pipe (3) in, in the ABS plastic plug (6)
Side wall on be equipped with T-type connector (7) towards vacuum-pumping tube (2) central axis, and the upper capacitor board (4), lower capacitor
Plate (5) be separately mounted to positioned at left side T-type connector (7) top, positioned at right side T-type connector (7) bottom, in place
Oxygen is filled in the wind pressure adapting pipe (3) of ABS plastic plug (6) lower part, the wind pressure adapting pipe (3) positioned at left side passes through pressure
Sensor is connected to the negative pole end in air pressure difference detection device, and the wind pressure adapting pipe (3) positioned at right side passes through pressure sensor
The positive terminal being connected in air pressure difference detection device is additionally provided in the air pressure difference detection device and powers on for detecting
Hold the potentiometer of voltage between plate (4) and lower capacitor board (5).
2. differential pressure type wind speed transducer as described in claim 1, it is characterised in that: correspond to the position of the T-type connector (7)
It sets, be equipped with vertical chute on the side wall of the wind pressure adapting pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410826848.XA CN105888984B (en) | 2014-12-29 | 2014-12-29 | A kind of differential pressure type wind speed transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410826848.XA CN105888984B (en) | 2014-12-29 | 2014-12-29 | A kind of differential pressure type wind speed transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105888984A CN105888984A (en) | 2016-08-24 |
| CN105888984B true CN105888984B (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410826848.XA Active CN105888984B (en) | 2014-12-29 | 2014-12-29 | A kind of differential pressure type wind speed transducer |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201035040Y (en) * | 2007-03-22 | 2008-03-12 | 郑永贤 | Mining wind speed transducer based on pitot principle |
| CN201836122U (en) * | 2010-10-28 | 2011-05-18 | 上海德尔福汽车空调系统有限公司 | Air inlet ring structure of automobile air-conditioning blower |
| CN103016369A (en) * | 2012-12-06 | 2013-04-03 | 大连理工大学 | Novel axial-flow fan with small-aspect-ratio blades having obliquely-cut and twisted blade roots |
| CN203405475U (en) * | 2013-07-30 | 2014-01-22 | 俊杰机械(深圳)有限公司 | A wind speed monitor for an electroplating exhaust gas pipe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3785013B2 (en) * | 2000-01-12 | 2006-06-14 | 三菱重工業株式会社 | Turbine blade |
-
2014
- 2014-12-29 CN CN201410826848.XA patent/CN105888984B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201035040Y (en) * | 2007-03-22 | 2008-03-12 | 郑永贤 | Mining wind speed transducer based on pitot principle |
| CN201836122U (en) * | 2010-10-28 | 2011-05-18 | 上海德尔福汽车空调系统有限公司 | Air inlet ring structure of automobile air-conditioning blower |
| CN103016369A (en) * | 2012-12-06 | 2013-04-03 | 大连理工大学 | Novel axial-flow fan with small-aspect-ratio blades having obliquely-cut and twisted blade roots |
| CN203405475U (en) * | 2013-07-30 | 2014-01-22 | 俊杰机械(深圳)有限公司 | A wind speed monitor for an electroplating exhaust gas pipe |
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| Publication number | Publication date |
|---|---|
| CN105888984A (en) | 2016-08-24 |
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