CN105424975A - Wind sensing part applied to wind speed measuring instrument - Google Patents
Wind sensing part applied to wind speed measuring instrument Download PDFInfo
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- CN105424975A CN105424975A CN201510736043.0A CN201510736043A CN105424975A CN 105424975 A CN105424975 A CN 105424975A CN 201510736043 A CN201510736043 A CN 201510736043A CN 105424975 A CN105424975 A CN 105424975A
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- wind
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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
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- Aviation & Aerospace Engineering (AREA)
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- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
The invention provides a wind sensing part applied to a wind speed measuring instrument. The wind sensing part comprises a wind bearing cylinder which can be divided into an upper segment, a middle segment and a lower segment from top to bottom. Wind bearing holes are formed in the external side surface of the middle segment of the wind bearing cylinder, the bottom of the middle segment includes air pressure transfer holes corresponding to the wind bearing holes, the wind bearing holes are communicated with the corresponding air pressure transfer holes respectively via first air channels formed in the middle segment, and the segments, close to the side of the wind bearing holes, of the first air channels are arranged upwardly and inclined towards the inner. According to the invention, the first air channels incline upwardly in the direction from outer to inner in the segments close the wind bearing holes, so that raindrop and dust are prevented from entering the air pressure transfer holes.
Description
Technical field
The present invention relates to sensor technical field, particularly relate to a kind of sense wind part being applied to air speed measuring apparatus.
Background technology
Wind speed and direction is important meteorologic parameter, and all significant for daily life, weather environment, national defence aviation, industrial and agricultural production, communications and transportation, therefore wind speed and direction measuring instrument is also widely applied in a lot of occasion.
Wind speed and direction measuring principle and corresponding measuring instrument varied, wherein as meteorological observation specification is mechanical type anemoclinograph, is made up of vane wind gage and weathervane.In vane wind gage, have three or four semispheres or the empty cup of parabolical, along simultaneously being uniformly distributed composition rotational structure, under wind-force effect, its rotating speed and wind speed are directly proportional, and carry out measuring wind by record rotating speed.Weathervane is the asymmetric object of the shape be fixed on runing rest, can rotate display wind direction during wind-engaging effect with the wind.
The technology maturation of mechanical type anemoclinograph, is widely used.But such device has shortcomings: volume is large, take up room during use large; Multi-motion and rotary part is easy to wear, serviceable life is short in building block, under high wind speed, wind-engaging part is easily destroyed; The inertia of wind-engaging part is comparatively large, cannot respond wind speed change fast.In addition also have such as hot-wire array wind indicator, pressure type anemoclinograph, ultrasonic aerovane etc., all there is the shortcoming that volume is larger.
At present, solid state two dimensional air speed measuring apparatus causes the attention of those skilled in the art gradually.Fig. 1 is the schematic diagram of prior art solid state two dimensional air speed measuring apparatus.Please refer to Fig. 1, this solid state two dimensional air speed measuring apparatus volume is little, and no-movable part, solves that existing conventional anemoclinograph volume larger problem, particularly mechanical type anemoclinograph volume are large, fragile, the problem of low-response.
But in continuous production practices, applicant finds that above-mentioned sense wind part easily occurs wind-engaging aperture easily by the situation that rainwater or dust block, and have impact on the widespread use of corresponding air speed measuring apparatus.
Summary of the invention
(1) technical matters that will solve
In view of above-mentioned technical matters, the invention provides a kind of sense wind part being applied to air speed measuring apparatus, with the situation avoiding wind-engaging aperture to be blocked by rainwater or dust.
(2) technical scheme
The sense wind part that the present invention is applied to air speed measuring apparatus comprises: wind-engaging cylinder 20.This wind-engaging cylinder 20 can be divided into three sections from top to bottom: epimere, stage casing and hypomere.Wherein, the lateral surface of stage casing wind-engaging cylinder is opened in by air holes 21, stage casing wind-engaging bottom cylindrical face has the air pressure transfer hole 23 corresponding with being subject to air holes 21, corresponding by being communicated with by the first air channel 22 being opened in stage casing wind-engaging cylindrical inside between air holes 21 and air pressure transfer hole 23, this first air channel 22 tilts upward setting near the air duct sections by air holes side towards inner side.
(3) beneficial effect
As can be seen from technique scheme, the sense wind part that the present invention is applied to air speed measuring apparatus has following beneficial effect:
(1) the wind-engaging aperture of stage casing wind-engaging cylindrical outer side surface is communicated with by air channel with the air pressure transfer hole of bottom surface, wherein, air channel, tilting obliquely on the direction of ecto-entad near a section of wind-engaging aperture, can prevent raindrop and dust from entering air pressure transfer hole;
(2) lateral surface of stage casing wind-engaging cylinder, the outside surface spraying hydrophobic material of wind-engaging aperture position, anti-upper raindrop collect to wind-engaging aperture place;
(3) on the basis of semisphere blast cap, turn increase disc blast cap, and spray hydrophobic material at the upper surface of disc blast cap, can effectively prevent rainwater and dust from polluting wind-engaging aperture.
Accompanying drawing explanation
Fig. 1 is the schematic diagram feeling wind part in prior art solid state two dimensional air speed measuring apparatus;
Fig. 2 is be the structural representation of the sense wind part being applied to solid state two dimensional air velocity transducer according to the embodiment of the present invention;
Fig. 3 is the diagrammatic cross-section of the stage casing wind-engaging cylinder of the wind part of sense shown in Fig. 2;
Fig. 4 is the diagrammatic cross-section of the hypomere wind-engaging cylinder of the wind part of sense shown in Fig. 2.
[description of reference numerals]
10-blast cap;
11-semisphere blast cap; 12-disc blast cap;
20-wind-engaging cylinder;
21-wind-engaging aperture; 22-first air channel; 23-air pressure transfer hole;
24-second air channel; 25-pipeline.
Embodiment
Sense wind part of the present invention, by the improvement to blast cap and wind-engaging cylinder, effectively improves the rain-proof dust-proof performance of solid state two dimensional wind sensor.
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
In one exemplary embodiment of the present invention, provide a kind of sense wind part being applied to solid state two dimensional air speed measuring apparatus.Fig. 2 is the structural representation of the sense wind part being applied to solid state two dimensional air velocity transducer according to the embodiment of the present invention.As shown in Figure 2, this enforcement sense wind part comprises from top to bottom: blast cap 10 and wind-engaging cylinder 20.Wherein, the lateral surface of wind-engaging cylinder 20 offers several wind-engaging apertures 21, bottom surface is offered and wind-engaging aperture 21 air pressure transfer hole 23 one to one.Inner at wind-engaging cylinder 20, there is between wind-engaging aperture 21 and air pressure transfer hole 23 air channel 22.Blast cap 10 pairs of wind-engaging cylinders 20 play a protective role, and prevent the wind-engaging aperture of its lateral surface from being blocked by rainwater or dust.
Each ingredient below the present embodiment being applied to the sense wind part of solid state two dimensional air velocity transducer is described in detail.
Please refer to Fig. 2, blast cap 10 comprises: the semisphere blast cap 11 on top; And be fixed on semisphere blast cap 11 bottom, and the disc blast cap 12 extended toward the outer side.Wherein, disc blast cap 12 disc in back-off, its upper surface hydrophobic material sprays, as Teflon (22EFLON) etc.; can effectively prevent rainwater collecting in component top, the wind-engaging aperture on wind-engaging cylinder 20 lateral surface of bottom is played a protective role.
Please refer to Fig. 2, wind-engaging cylinder 20 can be divided into three sections from top to bottom: epimere, stage casing and hypomere.Wherein, the lateral surface of stage casing wind-engaging cylinder spraying hydrophobic material, as Teflon (22EFLON) etc., prevents raindrop from collecting to wind-engaging aperture 21 place.
Fig. 3 is the diagrammatic cross-section of the stage casing wind-engaging cylinder of the wind part of sense shown in Fig. 2.As shown in Figure 3, the lateral surface of stage casing wind-engaging cylinder offers several wind-engaging apertures 21, the air pressure transfer hole 23 corresponding one by one with wind-engaging aperture 21 is offered in bottom surface.This wind-engaging aperture 21 is communicated with by the first air channel 22 being opened in stage casing wind-engaging cylindrical inside with corresponding air pressure transfer hole 23.Wherein, the first air channel 22, tilting obliquely in the direction of ecto-entad near a section of wind-engaging aperture 21, prevents raindrop and dust from entering air channel and air pressure transfer hole.
In the present embodiment, the angle that air channel 22 tilts obliquely is 45 °.But the present invention is not as limit, in other embodiments of the present invention, this angle can between 5 ° ~ 85 °.
Fig. 4 is the diagrammatic cross-section of the hypomere wind-engaging cylinder of the wind part of sense shown in Fig. 2.Please refer to Fig. 4, the below of hypomere wind-engaging cylinder has some pipelines 25.Pipeline 25 is communicated to corresponding air pressure transfer hole on the wind-engaging bottom cylindrical face of stage casing by the second air channel 24 offering hypomere wind-engaging cylindrical inside.These some pipelines are connected to corresponding differential pressure measurement equipment.
In the present embodiment, evenly offer 8 wind-engaging apertures in the lateral surface same level position of terminal wind-engaging cylinder.Corresponding, the number of the air pressure transfer hole of stage casing wind-engaging bottom cylindrical face, the pipeline of hypomere wind-engaging cylinder is 8.Wind-engaging aperture 21, first air channel 22, air pressure transfer hole 23, second air channel 24 have with pipeline 25 and are connected corresponding relation successively.
In the present embodiment, add disc blast cap, make the rain within certain angle directly cannot touch aperture; Secondly, adopt hydrophobic material to spray at the upper surface of disc blast cap and the stage casing wind-engaging cylinder at wind-engaging aperture place, when there being raindrop, raindrop are not assembled around aperture, free landing; Again, warp architecture is taked in air channel inside wind-engaging aperture, first be inclined upwardly then downwards bending, make raindrop cannot enter air pressure transfer hole and survey sensor by wind-engaging aperture, rainproof problem is solved by above three aspect measures, simultaneously said structure also can play dust-proof effect, and bending small structure makes dust to enter sensor, and hydrophobic material makes dust can easily along with water droplet is slipped away simultaneously.
So far, by reference to the accompanying drawings the present embodiment has been described in detail.Describe according to above, the sense wind part that those skilled in the art should be applied to air speed measuring apparatus to the present invention has had clearly to be familiar with.
It should be noted that, in accompanying drawing or instructions text, the implementation not illustrating or describe, is form known to a person of ordinary skill in the art in art, is not described in detail.In addition, the above-mentioned definition to each element and method is not limited in various concrete structures, shape or the mode mentioned in embodiment, and those of ordinary skill in the art can change simply it or replace, such as:
(1) semisphere blast cap 11 can also be pancake blast cap; Disc blast cap 12 can replace with square blast cap;
(2) number of wind-engaging aperture (air pressure transfer hole) can adjust as required, when adopting differential pressure measurement equipment, and such as 2N wind-engaging aperture, N is more than or equal to 3;
(3) except two-dimensional solid-state air speed measuring apparatus, the present invention can also be used in the air speed measuring apparatus of employing wind-engaging cylinder of other types;
(4) herein can providing package containing the demonstration of the parameter of particular value, but these parameters are without the need to definitely equaling corresponding value, but can be similar to analog value in acceptable error margin or design constraint;
(5) the direction term mentioned in embodiment, such as " on ", D score, "front", "rear", "left", "right" etc., be only the direction with reference to accompanying drawing, be not used for limiting the scope of the invention.
In sum, the present invention, by changing attachment material, the wind-engaging aperture inside structure of wind-engaging aperture portion and increasing the problem that the measures such as a blast cap prevent raindrop or dust blocking wind-engaging aperture in solid state two dimensional air speed measuring apparatus sense wind part, has good application prospect.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. be applied to a sense wind part for air speed measuring apparatus, it is characterized in that, comprising: wind-engaging cylinder (20); This wind-engaging cylinder (20) can be divided into three sections from top to bottom: epimere, stage casing and hypomere;
Wherein, the described lateral surface being opened in stage casing wind-engaging cylinder by air holes (21), stage casing wind-engaging bottom cylindrical face has and the described air pressure transfer hole (23) corresponding by air holes (21), corresponding is communicated with by the first air channel (22) being opened in stage casing wind-engaging cylindrical inside by between air holes (21) and air pressure transfer hole (23), and this first air channel (22) tilts upward setting near the air duct sections by air holes side towards inner side.
2. sense wind part according to claim 1, is characterized in that, near the angle tilted upward by the air duct sections of air holes side between 5 ° ~ 85 °.
3. sense wind part according to claim 2, is characterized in that, the angle tilted upward near the air duct sections by air holes side is 45 °.
4. sense wind part according to claim 1, is characterized in that, the lateral surface in the stage casing of described wind-engaging cylinder is coated with hydrophobic material.
5. sense wind part according to claim 1, is characterized in that, the below of hypomere wind-engaging cylinder has pipeline (25);
Wherein, the front end of this pipeline (25) is communicated to corresponding air pressure transfer hole (23) on the wind-engaging bottom cylindrical face of stage casing by the second air channel (24) being opened in hypomere wind-engaging cylindrical inside, and its end is connected to corresponding wind pressure measurement equipment.
6. sense wind part according to claim 1, is characterized in that, also comprise:
Blast cap (10), is fixed on the top of described wind-engaging cylinder (20), for preventing being blocked by rainwater or dust by air holes of wind-engaging cylinder (20) lateral surface.
7. sense wind part according to claim 6, is characterized in that, described blast cap (10) comprising:
The semisphere blast cap (11) on top; And
Be fixed on described semisphere blast cap (11) bottom, the disc blast cap (12) in back-off disc-shape.
8. sense wind part according to claim 7, is characterized in that, the upper surface of described disc blast cap (12) is coated with hydrophobic material.
9. sense wind part according to any one of claim 1 to 8, is characterized in that, the described number by air holes is 2N, and N is more than or equal to 3, and described have one-to-one relationship by air holes and air channel.
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CN201510736043.0A CN105424975A (en) | 2015-11-03 | 2015-11-03 | Wind sensing part applied to wind speed measuring instrument |
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CN201510736043.0A CN105424975A (en) | 2015-11-03 | 2015-11-03 | Wind sensing part applied to wind speed measuring instrument |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109709351A (en) * | 2019-02-01 | 2019-05-03 | 中国科学院电子学研究所 | Near space real-time in-situ wind speed wind direction sensor based on wind pressure prediction |
CN110988386A (en) * | 2019-12-12 | 2020-04-10 | 石家庄铁道大学 | Wind speed and direction testing device and testing method |
CN113687096A (en) * | 2021-09-22 | 2021-11-23 | 中国空气动力研究与发展中心高速空气动力研究所 | Crosswind estimation method based on embedded atmospheric data system |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2594795Y (en) * | 2002-09-26 | 2003-12-24 | 雷双喜 | Block-proof wing blast meter |
US20050005695A1 (en) * | 2003-05-19 | 2005-01-13 | Scott Corey | Differential pressure wind meter |
CN202485732U (en) * | 2012-03-08 | 2012-10-10 | 辽宁聚焦科技有限公司 | Differential-pressure wind measuring device |
CN103543288A (en) * | 2013-10-21 | 2014-01-29 | 北京瑞赛长城航空测控技术有限公司 | S-shaped pitot tube based wind direction and velocity measurement device and method |
CN103630705A (en) * | 2013-01-16 | 2014-03-12 | 中国科学院电子学研究所 | Solid two-dimensional wind speed and direction measuring instrument and measuring method thereof |
CN204666652U (en) * | 2015-05-15 | 2015-09-23 | 安徽皖仪科技股份有限公司 | The rotten current meter probe of a kind of novel anti-height |
CN204694729U (en) * | 2015-04-14 | 2015-10-07 | 香河国瑞智测试设备有限公司 | A kind of solid state wind detecting instrument |
-
2015
- 2015-11-03 CN CN201510736043.0A patent/CN105424975A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2594795Y (en) * | 2002-09-26 | 2003-12-24 | 雷双喜 | Block-proof wing blast meter |
US20050005695A1 (en) * | 2003-05-19 | 2005-01-13 | Scott Corey | Differential pressure wind meter |
CN202485732U (en) * | 2012-03-08 | 2012-10-10 | 辽宁聚焦科技有限公司 | Differential-pressure wind measuring device |
CN103630705A (en) * | 2013-01-16 | 2014-03-12 | 中国科学院电子学研究所 | Solid two-dimensional wind speed and direction measuring instrument and measuring method thereof |
CN103543288A (en) * | 2013-10-21 | 2014-01-29 | 北京瑞赛长城航空测控技术有限公司 | S-shaped pitot tube based wind direction and velocity measurement device and method |
CN204694729U (en) * | 2015-04-14 | 2015-10-07 | 香河国瑞智测试设备有限公司 | A kind of solid state wind detecting instrument |
CN204666652U (en) * | 2015-05-15 | 2015-09-23 | 安徽皖仪科技股份有限公司 | The rotten current meter probe of a kind of novel anti-height |
Non-Patent Citations (1)
Title |
---|
PAOLO BRUSCHI .ETAL: "A Low-power 2-D Wind Sensor Based on Intergrated Flow Meters", 《IEEE SENSORS JOURNAL》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109709351A (en) * | 2019-02-01 | 2019-05-03 | 中国科学院电子学研究所 | Near space real-time in-situ wind speed wind direction sensor based on wind pressure prediction |
CN110988386A (en) * | 2019-12-12 | 2020-04-10 | 石家庄铁道大学 | Wind speed and direction testing device and testing method |
CN113687096A (en) * | 2021-09-22 | 2021-11-23 | 中国空气动力研究与发展中心高速空气动力研究所 | Crosswind estimation method based on embedded atmospheric data system |
CN113687096B (en) * | 2021-09-22 | 2023-03-21 | 中国空气动力研究与发展中心高速空气动力研究所 | Crosswind estimation method based on embedded atmospheric data system |
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Application publication date: 20160323 |