CN206270361U - A kind of air velocity transducer - Google Patents
A kind of air velocity transducer Download PDFInfo
- Publication number
- CN206270361U CN206270361U CN201621026050.8U CN201621026050U CN206270361U CN 206270361 U CN206270361 U CN 206270361U CN 201621026050 U CN201621026050 U CN 201621026050U CN 206270361 U CN206270361 U CN 206270361U
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- CN
- China
- Prior art keywords
- wind
- fixed
- hard ball
- fixed pedestal
- movable electrode
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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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Abstract
The utility model discloses a kind of air velocity transducer,Including base," 7 " shape support,Sense wind apparatus and survey wind capacitance group,The center position of the base is provided with fixed pedestal,The sense wind apparatus include wind sensitive rod,The upper end of the wind sensitive rod is suspended on support,The bottom of wind sensitive rod is provided with hard ball,The bottom of the hard ball is connected by elastic threads with elastic telescopic fixing end in fixed pedestal is arranged on,The fixed pedestal upper surface is provided with four pieces of installing plates,The installing plate is distributed on hard ball outside and constitutes square structure,The survey wind capacitance group is arranged on fixed pedestal,Surveying wind capacitance group includes that surveying wind-powered electricity generation for four holds,Wind-powered electricity generation appearance is surveyed for four to be separately positioned between hard ball and installing plate,Surveying wind-powered electricity generation appearance includes fixed electrode and movable electrode,Fixed electrode is fixed on fixed pedestal,Movable electrode is tangent with hard ball under windless condition,The root of movable electrode contacts but is not attached to fixed pedestal,Movable electrode is connected by elastic component with installing plate.
Description
Technical field
The utility model belongs to sensor technical field, and in particular to a kind of air velocity transducer.
Background technology
Wind speed, wind direction are reaction weather condition very important parameter, the life to environmental monitoring, air adjustment and industrial or agricultural
Product has a major impact, therefore, quickly and accurately measuring wind speed and direction has an important practical significance, traditional vane and
Wind vane is still at present widely used detection device, but these mechanical devices are because easy to wear with moving parts, while tool
Have the shortcomings that volume is big, expensive, need often to safeguard, although and hot type micromechanics air velocity transducer widely studied at present
Measurement is simple, manufacture craft is easily controllable, but its power consumption is big, and substrate heat transfer can cause measurement error.
Utility model content
The purpose of this utility model is to provide a kind of simple structure, sensitivity wind speed high, not easy to wear and low in energy consumption
Sensor.
A kind of air velocity transducer of technical solutions of the utility model, including base, " 7 " shape support, sense wind apparatus and survey wind-powered electricity generation
Appearance group, the center position of the base is provided with fixed pedestal, and the support is arranged on the side of fixed pedestal, the sense wind dress
Put including wind sensitive rod, the upper end of the wind sensitive rod is suspended on support, the bottom of wind sensitive rod is provided with hard ball, the hard ball
Bottom is connected by elastic threads with the Telescopic Fixed end of a spherical shaped elastomeric, and the elastic telescopic fixing end is arranged in fixed pedestal,
The fixed pedestal center is provided with a circular hole, and the circular hole bottom is provided with holding tank, and the elastic telescopic fixing end is arranged on appearance
Receive in groove, the fixed pedestal upper surface is provided with four pieces of installing plates, the installing plate is distributed on hard ball outside and constitutes square
Structure, the survey wind capacitance group is arranged on fixed pedestal, is surveyed wind capacitance group and is surveyed wind-powered electricity generations appearance including four, and four survey wind-powered electricity generations hold and divide
It is not arranged between hard ball and installing plate, surveying wind-powered electricity generation appearance includes fixed electrode and movable electrode, and the movable electrode is arranged on
Between fixed electrode and hard ball, the root of fixed electrode is fixed on fixed pedestal, movable electrode under windless condition with it is hard
Matter ball is tangent, and the root of movable electrode contacts but be not attached to fixed pedestal, and the both sides of movable electrode are by elastic component and installation
Plate is connected, and the survey wind-powered electricity generation appearance is connected with capacitance measurement module, and the capacitance measurement module is connected with signal conversion module, described
Signal adapter is also associated with display module, and the capacitance measurement module, signal conversion module are arranged in base, described aobvious
Show that module is arranged on base side wall.
Preferably, a kind of air velocity transducer described in the utility model, the elastic component is spring, the spring outer surface
It is provided with insulating coating.
Preferably, a kind of air velocity transducer described in the utility model, the wind sensitive rod middle part is provided with spherical flabellum portion, institute
State flabellum portion uniformly to be formed around wind sensitive rod axis by eight semicircle flabellums, the flabellum and horizontal plane.
Movable electrode described in technical solutions of the utility model is tangent with hard ball under windless condition, now at wind sensitive rod
In the vertical state for naturally drooping, elastic threads are tensed and not relaxed, and it is quick that hard ball is respectively positioned on wind with the centre of sphere of elastic telescopic fixing end
On the axis of bar, when there is level to blow air over, wind sensitive rod drives hard ball to produce displacement, and hard ball extrudes movable electrode, movably
Electrode is moved towards fixed electrode, you can the distance between moving electrode and fixed electrode diminishes, and surveys the capacitance increase that wind-powered electricity generation holds, root
Wind speed can be obtained according to the change of capacitance, wind direction is obtained by the orientation according to residing for the survey wind-powered electricity generation appearance that capacitance changes,
Flabellum portion is set in the middle part of wind sensitive rod so that sensing of the sense wind apparatus to gentle breeze is more sensitive.
The utility model technology beneficial effect：
Technical solutions of the utility model, as induction installation, movable electricity are extruded when sense wind apparatus wind-engaging power is acted on using electric capacity
Pole, wind-force is determined by measuring the capacitance variations of wind-powered electricity generation appearance, is held according to the specific survey wind-powered electricity generation that capacitance variation occurs
Determine wind direction, simple possible, and electric capacity does not exist DC power, and ac small signal need to be only used in measurement, effectively reduces work(
Consumption.
Brief description of the drawings
Fig. 1 is the utility model structural representation,
Fig. 2 is the A-A sectional views of Fig. 1.
Specific embodiment
For ease of skilled artisan understands that technical solutions of the utility model, new to this practicality in conjunction with Figure of description
Type technical scheme is described further.
As shown in Figures 1 and 2, a kind of air velocity transducer of technical solutions of the utility model, including base 1, " 7 " shape support 2,
Sense wind apparatus and survey wind capacitance group, the center position of the base 1 are provided with fixed pedestal 3, and the support 2 is arranged on fixed base
The side of 3, the sense wind apparatus include wind sensitive rod 4, and the upper end of the wind sensitive rod 4 is suspended on support 2, the bottom of wind sensitive rod 4
Portion is provided with hard ball 5, and the bottom of the hard ball 5 is connected by elastic threads 6 with the Telescopic Fixed end 7 of a spherical shaped elastomeric, the bullet
Property Telescopic Fixed end 7 is arranged in fixed pedestal 3, and the center of the fixed pedestal 3 is provided with a circular hole, and the circular hole bottom is provided with appearance
Receive groove 8, the elastic telescopic fixing end 7 is arranged in holding tank 8, and the effective diameter of elastic telescopic fixing end 7 is consistently greater than circle
The diameter in hole, the upper surface of the fixed pedestal 3 is provided with four pieces of installing plates 9, and the installing plate 9 is distributed on the outside of hard ball 5 and constitutes
Square structure, the survey wind capacitance group is arranged on fixed pedestal 3, and surveying wind capacitance group includes that surveying wind-powered electricity generation for four holds, four surveys
Wind-powered electricity generation appearance is separately positioned between hard ball 5 and installing plate 9, and surveying wind-powered electricity generation appearance includes fixed electrode 10 and movable electrode 11, described
Movable electrode 11 is arranged between fixed electrode 10 and hard ball 5, and the root of fixed electrode 10 is fixed on fixed pedestal 3, can
Moving electrode 11 is tangent with hard ball 5 under windless condition, and the root of movable electrode 11 contacts but be not attached to fixed pedestal 3, can
The both sides of moving electrode 11 are connected by elastic component 12 with installing plate 9, and the survey wind-powered electricity generation appearance is connected with capacitance measurement module, the electricity
Hold measurement module and be connected with signal conversion module, the signal adapter is also associated with display module 13, the capacitance measurement mould
Block, signal conversion module are arranged in base 1, and the display module 13 is arranged on the side wall of base 1.
The elastic component 12 is spring, and the outer surface of the spring 12 is provided with insulating coating.
The middle part of the wind sensitive rod 4 is provided with spherical flabellum portion 14, and the flabellum portion 14 is by eight semicircle flabellums around wind sensitive rod 4
Axis is uniformly formed, the flabellum and horizontal plane.
As shown in Fig. 2 note four surveys the respectively left survey wind-powered electricity generations appearance of wind-powered electricity generations appearance, upper survey wind-powered electricity generation in the utility model embodiment
Hold, right survey wind-powered electricity generation holds and lower survey wind-powered electricity generation holds, when there is wind to be blown over to the right from left side, wind sensitive rod 4 drives hard ball 5 to right avertence
Move, extrude the right movable electrode 12 for surveying wind-powered electricity generation appearance, the movable electrode 12 moves right so that be right to survey two electrode spacings that wind-powered electricity generation holds
From reduction, the capacitance increase for measuring, being changed by suitable algorithm can obtain air speed value；When have wind from the upper left corner to the right
When inferior horn is blown over, hard ball 5 extrude right survey wind-powered electricity generation hold and it is lower survey the movable electrode 12 that wind-powered electricity generation holds, the right survey wind-powered electricity generation that measures hold and
The lower capacitance for surveying wind-powered electricity generation pole increases, and specific wind direction can be calculated according to the ratio that two capacitance values increase, according to two electricity
Hold by the two points of air speed values for measuring are synthesized and obtain air speed value.
Working power is additionally provided with the base 1 of air velocity transducer described in the utility model, the working power is to fill
Battery, the utility model it is specifically used it is preceding demarcated by wind-tunnel facilities, set up wind speed and direction and four and survey wind-powered electricity generations and hold
Corresponding relation between 10, during measurement, the capacitance that capacitance measurement module will be measured is sent to signal conversion module, signal conversion
Capacitance signal is converted into wind speed and direction information by module according to corresponding relation, and is shown on display 14.
Technical solutions of the utility model are exemplarily described above in conjunction with accompanying drawing to utility model, it is clear that this practicality
New implementing is not subject to the restrictions described above, as long as employ method design of the present utility model and technical scheme carrying out
Various unsubstantialities improve, or it is not improved the design of utility model and technical scheme are directly applied into other occasions,
Within protection domain of the present utility model.
Claims (3)
1. a kind of air velocity transducer, including base, " 7 " shape support, sense wind apparatus and survey wind capacitance group, the centre bit of the base
The place of putting is provided with fixed pedestal, and the support is arranged on the side of fixed pedestal, it is characterised in that the sense wind apparatus include that wind is quick
Bar, the upper end of the wind sensitive rod is suspended on support, and the bottom of wind sensitive rod is provided with hard ball, and the bottom of the hard ball is connected with
Elastic threads, the other end of the elastic threads is connected with the Telescopic Fixed end of spherical shaped elastomeric, and the fixed pedestal center is provided with a circular hole,
The circular hole bottom is provided with holding tank, and the elastic telescopic fixing end is arranged in holding tank, and the fixed pedestal upper surface sets
There are four pieces of installing plates, the installing plate is distributed on hard ball outside and constitutes square structure, and the survey wind capacitance group is arranged on solid
Determine on pedestal, survey wind capacitance group includes that surveying wind-powered electricity generations for four holds, and surveys wind-powered electricity generations appearance for four and is separately positioned between hard ball and installing plate,
Surveying wind-powered electricity generation appearance includes fixed electrode and movable electrode, and the movable electrode is arranged between fixed electrode and hard ball, fixed electricity
The root of pole is fixed on fixed pedestal, and movable electrode is tangent with hard ball under windless condition, the root of movable electrode with it is solid
Determine base into contact but be not attached to, the both sides of movable electrode are connected by elastic component with installing plate, the survey wind-powered electricity generation appearance is connected with electricity
Hold measurement module, the capacitance measurement module is connected with signal conversion module, and the signal adapter is also associated with display module,
The capacitance measurement module, signal conversion module are arranged in base, and the display module is arranged on base side wall.
2. a kind of air velocity transducer according to claim 1, it is characterised in that the elastic component is spring, the spring
Outer surface is provided with insulating coating.
3. a kind of air velocity transducer according to claim 1, it is characterised in that the wind sensitive rod middle part is provided with spherical flabellum
Portion, the flabellum portion is uniformly formed by eight semicircle flabellums around wind sensitive rod axis, the flabellum and horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621026050.8U CN206270361U (en) | 2016-08-25 | 2016-08-25 | A kind of air velocity transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621026050.8U CN206270361U (en) | 2016-08-25 | 2016-08-25 | A kind of air velocity transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206270361U true CN206270361U (en) | 2017-06-20 |
Family
ID=59035987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621026050.8U Expired - Fee Related CN206270361U (en) | 2016-08-25 | 2016-08-25 | A kind of air velocity transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206270361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353531A (en) * | 2016-08-25 | 2017-01-25 | 阜阳师范学院 | Wind velocity transducer |
-
2016
- 2016-08-25 CN CN201621026050.8U patent/CN206270361U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353531A (en) * | 2016-08-25 | 2017-01-25 | 阜阳师范学院 | Wind velocity transducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20170825 |