CN110007111A - A kind of differential pressure type wind speed transducer - Google Patents
A kind of differential pressure type wind speed transducer Download PDFInfo
- Publication number
- CN110007111A CN110007111A CN201910254802.8A CN201910254802A CN110007111A CN 110007111 A CN110007111 A CN 110007111A CN 201910254802 A CN201910254802 A CN 201910254802A CN 110007111 A CN110007111 A CN 110007111A
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- China
- Prior art keywords
- adapting pipe
- wind pressure
- wind
- pole
- center
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/14—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring differences of pressure in the fluid
Abstract
The present invention relates to wind speed transducer technical fields, more particularly to a kind of differential pressure type wind speed transducer, including sampling shell, air pressure difference detection device, upper capacitor board and lower capacitor board, the vacuum-pumping tube being vertically arranged is installed, fixing grafting side by side in the vacuum-pumping tube, there are two wind pressure adapting pipes in the sampling shell.When mobile device inside wind pressure adapting pipe moves downwards under the influence of wind-force, ball is in rolling contact with wind pressure adapting pipe, friction is small, reaction sensitivity is higher, deformation occurs and the sliding contact of wind pressure adapting pipe for second arc panel, preferably receive the effect of wind-force, elastomer slide downward is pushed when mobile device moves down, elastomer is close to the inner wall of wind pressure adapting pipe, avoid the oxygen leakage inside wind pressure adapting pipe, destroy the vacuum environment inside vacuum-pumping tube, the setting of elastical cloth on elastomer, when stress is smaller, center-pole squeezes elastical cloth and is allowed to that deformation occurs, keep accuracy higher.
Description
Technical field
The present invention relates to wind speed transducer technical field more particularly to a kind of differential pressure type wind speed transducers.
Background technique
Wind speed transducer can be directly monitored by the mass flow of the single-point flowing gas in free air flow or pipe, application
In gas compartment monitoring, toilet, purification table top wind speed monitoring etc..
Application number 201410826848.X, patent name are a kind of technical solution of differential pressure type wind speed transducer, pass through ABS
Plastic plug is influenced by wind pressure, is not only fed back in traditional empty pressure test device, while feeding back between capacitor board
Distance provides another approach for obtaining data, has more reference value, simultaneously to influence the voltage change between it
The influence that closed vacuum tube can reduce temperature to the greatest extent improves the stability of measurement result, and the oxygen density of filling is lower, energy
It is enough so that wind pressure feedback to ABS plastic beyond the Great Wall after displacement range it is bigger.But in the technical solution, existed using ABS plastic plug
It is slided up and down in wind pressure adapting pipe, frictional force is big, and sensitivity degree is lower, and wind pressure adapting pipe is located at one below ABS plastic plug
Section is full of oxygen, ABS plastic move down beyond the Great Wall it is visibly moved easily cause oxygen leakage, destroy the environment of vacuum-pumping tube inner vacuum.
Summary of the invention
The purpose of the present invention is to provide a kind of differential pressure type wind speed transducers, to solve the above technical problems.
The present invention using following technical scheme in order to solve the above technical problems, realized:
A kind of differential pressure type wind speed transducer, including sampling shell, air pressure difference detection device, upper capacitor board and lower capacitor
Plate, the vacuum-pumping tube being vertically arranged is equipped in the sampling shell, and fixing grafting side by side in the vacuum-pumping tube, there are two wind
Adapting pipe is pressed, two equal both ends of wind pressure adapting pipe all extend to the outside of vacuum-pumping tube, the top tool of left side wind pressure adapting pipe
There is the angular cut in face of wind direction, the top of right side wind pressure adapting pipe has the angular cut for carrying wind direction, and the wind pressure positioned at left side is held
Adapter tube is connected to the negative pole end in air pressure difference detection device by pressure sensor, and the wind pressure adapting pipe positioned at right side passes through pressure
Force snesor is connected to the positive terminal in air pressure difference detection device, is additionally provided in the air pressure difference detection device for detecting
The potentiometer of voltage between upper capacitor board and lower capacitor board,
The inside of each wind pressure adapting pipe is plugged with mobile device and elastomer, and mobile device is located at elastomer
Top, two wind pressure adapting pipes are located at the inside below elastomer and are marked with oxygen, and two mobile devices are mutually leaned on
Close side wall is respectively connected with connector, and one end activity of the connector far from mobile device opens up on wind pressure adapting pipe side wall
Strip-shaped hole and the outside for extending to wind pressure adapting pipe, the left side connector are located at the connection of the upper end outside wind pressure adapting pipe and power on
Hold plate, the right side connector is located at the lower end outside wind pressure adapting pipe and connects lower capacitor board, upper capacitor board and lower capacitor board phase
To setting.
Preferably, the mobile device includes center-pole, and two groups of mounting grooves, every group of installation are offered on the center-pole
There are two slot is total, ball, the inner sidewall rotation connection of ball and wind pressure adapting pipe, every group of installation are placed in the mounting groove
Slot is correspondingly arranged there are two baffle, and two baffles form a closed annulus, in the side wall of the baffle screw of grafting with
The threaded hole opened up on center-pole is threadedly coupled, and is provided with the matched through-hole of ball on the baffle, center-pole is located at two groups of gears
One section of side wall is connect with connector between plate.
Preferably, the lower end of the center-pole is hemispherical projections, is curved face contact when center-pole and elastical cloth contact, increases
Put forth effort area greatly, elastical cloth avoids local pressure excessive, elastical cloth is caused to be damaged when generating deformation.
Preferably, the through-hole is greater than the radius far from center-pole side wall close to the radius of center-pole side wall, and through-hole is remote
Radius from center-pole side wall is less than the radius of ball.
Preferably, the baffle is made of the first arc panel and the second arc panel, and the radius of the first arc panel is less than second
The radius of arc panel, the material of second arc panel are rubber, and the outer radii of the second arc panel is greater than wind pressure adapting pipe
Inner radii.
Preferably, the elastomer includes elastical cloth, and the material of elastical cloth is natural emulsion, and the elastical cloth passes through outline border
It is connected with rubber ring, the outer ring of rubber ring is close to wind pressure adapting pipe.
The beneficial effects of the present invention are:
When mobile device inside wind pressure adapting pipe moves downwards under the influence of wind-force, ball and wind pressure adapting pipe
It is in rolling contact, friction is small, and reaction sensitivity is higher, and deformation occurs and the sliding contact of wind pressure adapting pipe for the second arc panel, more
The good effect for receiving wind-force,
Elastomer slide downward is pushed when mobile device moves down, elastomer is close to the inner wall of wind pressure adapting pipe, is kept away
Exempt from the oxygen leakage inside wind pressure adapting pipe, destroys the vacuum environment inside vacuum-pumping tube, the setting of the elastical cloth on elastomer,
When stress is smaller, center-pole squeezes elastical cloth and is allowed to that deformation occurs, keeps accuracy higher.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is internal structure enlarged diagram of the invention；
Fig. 3 is mobile device structural schematic diagram of the invention；
Fig. 4 is baffle arrangement schematic diagram of the invention；
Fig. 5 is elastomer structure schematic diagram of the invention；
Appended drawing reference: 1- samples shell；2- vacuum-pumping tube；3- wind pressure adapting pipe；4- mobile device；401- center-pole；
402- mounting groove；403- ball；404- baffle；The first arc panel of 4041-；The second arc panel of 4042-；405- through-hole；406- spiral shell
Nail；5- connector；The upper capacitor board of 6-；Capacitor board under 7-；8- elastomer；801- elastical cloth；802- outline border；803- rubber ring.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiments and the drawings are closed, the present invention is further explained, and however, the following embodiments are merely preferred embodiments of the present invention, not
All.Based on the implementation example in the implementation mode, those skilled in the art are obtained without making creative work
Other embodiments belong to protection scope of the present invention.
Specific embodiments of the present invention are described with reference to the accompanying drawing.
Embodiment 1
As shown in Figs. 1-5, a kind of differential pressure type wind speed transducer, including sample shell 1, air pressure difference detection device, power on
Hold plate 6 and lower capacitor board 7, sample and the vacuum-pumping tube 2 being vertically arranged is installed in shell 1, fixes grafting side by side in vacuum-pumping tube 2
There are two wind pressure adapting pipe 3, two equal both ends of wind pressure adapting pipe 3 all extend to the outside of vacuum-pumping tube 2, and left side wind pressure is accepted
The top of pipe 3 has the angular cut in face of wind direction, and the top of right side wind pressure adapting pipe 3 has the angular cut for carrying wind direction, is located at
The wind pressure adapting pipe 3 in left side is connected to the negative pole end in air pressure difference detection device by pressure sensor, the wind positioned at right side
Pressure adapting pipe 3 is connected to the positive terminal in air pressure difference detection device by pressure sensor, in air pressure difference detection device separately
Equipped with the potentiometer for detecting voltage between upper capacitor board 6 and lower capacitor board 7,
The inside of each wind pressure adapting pipe 3 is plugged with mobile device 4 and elastomer 8, and mobile device 4 is located at elastomer 8
Top, the inside that two wind pressure adapting pipes 3 are located at the lower section of elastomer 8 is marked with oxygen, and two mobile devices 4 are close to each other
Side wall is respectively connected with connector 5, and one end activity of the connector 5 far from mobile device 4 opens up on 3 side wall of wind pressure adapting pipe
Strip-shaped hole and the outside for extending to wind pressure adapting pipe 3, left side connector 5 are located at the connection of the upper end outside wind pressure adapting pipe 3 and power on
Hold plate 6, right side connector 5 is located at the lower end outside wind pressure adapting pipe 3 and connects lower capacitor board 7, upper capacitor board 6 and lower capacitor board 7
It is oppositely arranged.
Mobile device 4 includes center-pole 401, and the lower end of center-pole 401 is hemispherical projections, is opened up on center-pole 401
There are two groups of mounting grooves 402, every group of mounting groove 402 is placed with ball 403, ball 403 and wind in mounting groove 402 there are two being total to
The inner sidewall rotation connection of adapting pipe 3 is pressed, every group of mounting groove 402 is correspondingly arranged there are two baffle 404, and two baffles 404 form
One closed annulus, the threaded hole opened up in the side wall of baffle 404 on the screw 406 and center-pole 401 of grafting are threadedly coupled,
Be provided with the matched through-hole 405 of ball 403 on baffle 404, center-pole 401 be located between two groups of baffles 404 one section of side wall with
Connector 5 connects, and through-hole 405 is greater than the radius far from 401 side wall of center-pole, and through-hole close to the radius of 401 side wall of center-pole
405 radiuses far from 401 side wall of center-pole are less than the radius of ball 403；
Baffle 404 is made of the first arc panel 4041 and the second arc panel 4042, and the radius of the first arc panel 4041 is less than
The material of the radius of second arc panel 4042, the second arc panel 4042 is rubber, and the outer radii of the second arc panel 4042 is greater than
The inner radii of wind pressure adapting pipe 3；
Elastomer 8 includes elastical cloth 801, and the material of elastical cloth 801 is natural emulsion, and elastical cloth 801 is connected by outline border 802
It is connected to rubber ring 803, the outer ring of rubber ring 803 is close to wind pressure adapting pipe 3.
In this case, it will be put into ball 403 in the mounting groove 402 on center-pole 401, four baffles 404 are placed on correspondence
Mounting groove 402 at, baffle 404 is connect with center-pole 401 by screw 406, while ball 403 is fixed on mounting groove
402 and through-hole 405 in；
Elastomer 8 and mobile device 4 are successively filled in wind pressure adapting pipe 3, the inner wall of elastomer 8 and wind pressure adapting pipe 3
It is in close contact, the inner wall of ball 403 and wind pressure adapting pipe 3 in mobile device 4, which rolls, to be connected, the second arc panel 4042 and wind pressure
Adapting pipe 3 is slidably connected, and the connector 5 with upper capacitor board 6, lower capacitor board 7 is passed through strip-shaped hole and is respectively installed to position；
When mobile device 4 inside wind pressure adapting pipe 3 moves downwards under the influence of wind-force, ball 403 and wind pressure
Adapting pipe 3 is in rolling contact, and friction is small, and reaction sensitivity is higher, and deformation occurs and wind pressure adapting pipe 3 for the second arc panel 4042
Sliding contact preferably receives the effect of wind-force,
Mobile device 4 pushes 8 slide downward of elastomer when moving down, elastomer 8 and the inner wall of wind pressure adapting pipe 3 are tight
Patch avoids the oxygen leakage inside wind pressure adapting pipe 3, destroys the vacuum environment inside vacuum-pumping tube 2, the elasticity on elastomer 8
The setting of cloth 801, when stress is smaller, center-pole 401 squeezes elastical cloth 801 and is allowed to that deformation occurs, keeps accuracy higher.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (6)
1. a kind of differential pressure type wind speed transducer, including sampling shell (1), air pressure difference detection device, upper capacitor board (6) He Xia electricity
Hold plate (7), the vacuum-pumping tube (2) being vertically arranged is installed in sampling shell (1), the vacuum-pumping tube (2) is interior solid side by side
Grafting is determined there are two wind pressure adapting pipe (3), two equal both ends of wind pressure adapting pipe (3) all extend to the outside of vacuum-pumping tube (2),
The top of left side wind pressure adapting pipe (3) has the angular cut in face of wind direction, and the top of right side wind pressure adapting pipe (3) has off the wind
To angular cut, the wind pressure adapting pipe (3) positioned at left side is connected to by pressure sensor negative in air pressure difference detection device
Extremely, the wind pressure adapting pipe (3) positioned at right side is connected to by pressure sensor the positive terminal in air pressure difference detection device, institute
The potentiometer being additionally provided in air pressure difference detection device for detecting voltage between upper capacitor board (6) and lower capacitor board (7) is stated,
It is characterized by: the inside of each wind pressure adapting pipe (3) is plugged with mobile device (4) and elastomer (8), it is mobile
Device (4) is located at the top of elastomer (8), and the inside that two wind pressure adapting pipes (3) are located at below elastomer (8) is marked with
Oxygen, two mobile device (4) side walls close to each other are respectively connected with connector (5), and connector (5) is far from mobile device
(4) one end activity runs through the strip-shaped hole opened up on wind pressure adapting pipe (3) side wall and the outside for extending to wind pressure adapting pipe (3),
The left side connector (5) is located at the external upper end of wind pressure adapting pipe (3) and connects upper capacitor board (6), the right side connector (5)
The lower end external positioned at wind pressure adapting pipe (3) connects lower capacitor board (7), and upper capacitor board (6) and lower capacitor board (7) are oppositely arranged.
2. differential pressure type wind speed transducer according to claim 1, it is characterised in that: the mobile device (4) includes center
Bar (401), offers two groups of mounting grooves (402) on the center-pole (401), every group of mounting groove (402) altogether there are two, it is described
It being placed with ball (403) in mounting groove (402), the inner sidewall of ball (403) and wind pressure adapting pipe (3) is rotatablely connected, and every group
Mounting groove (402) is correspondingly arranged there are two baffle (404), and two baffles (404) form a closed annulus, the baffle
(404) threaded hole opened up on the screw (406) of grafting in side wall and center-pole (401) is threadedly coupled, the baffle (404)
On be provided with ball (403) matched through-hole (405), center-pole (401) be located between two groups of baffles (404) one section of side wall with
Connector (5) connection.
3. differential pressure type wind speed transducer according to claim 2, it is characterised in that: the lower end of the center-pole (401) is
Hemispherical projections.
4. differential pressure type wind speed transducer according to claim 2, it is characterised in that: the through-hole (405) is close to center-pole
(401) radius of side wall is greater than the radius far from center-pole (401) side wall, and through-hole (405) is far from center-pole (401) side wall
Radius is less than the radius of ball (403).
5. differential pressure type wind speed transducer according to claim 2, it is characterised in that: the baffle (404) is by the first arc
Plate (4041) and the second arc panel (4042) composition, half of radius less than the second arc panel (4042) of the first arc panel (4041)
Diameter, the material of second arc panel (4042) are rubber, and the outer radii of the second arc panel (4042) is greater than wind pressure adapting pipe
(3) inner radii.
6. differential pressure type wind speed transducer according to claim 1, it is characterised in that: the elastomer (8) includes elastical cloth
(801), the material of elastical cloth (801) is natural emulsion, and the elastical cloth (801) is connected with rubber ring by outline border (802)
(803), the outer ring of rubber ring (803) is close to wind pressure adapting pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254802.8A CN110007111A (en) | 2019-04-01 | 2019-04-01 | A kind of differential pressure type wind speed transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254802.8A CN110007111A (en) | 2019-04-01 | 2019-04-01 | A kind of differential pressure type wind speed transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110007111A true CN110007111A (en) | 2019-07-12 |
Family
ID=67169129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910254802.8A Withdrawn CN110007111A (en) | 2019-04-01 | 2019-04-01 | A kind of differential pressure type wind speed transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110007111A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111752075A (en) * | 2020-05-27 | 2020-10-09 | 方晓霞 | Wind direction auxiliary device for outdoor photography capture based on internet |
-
2019
- 2019-04-01 CN CN201910254802.8A patent/CN110007111A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111752075A (en) * | 2020-05-27 | 2020-10-09 | 方晓霞 | Wind direction auxiliary device for outdoor photography capture based on internet |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190712 |
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| WW01 | Invention patent application withdrawn after publication |