CN207318521U - A kind of magnetic induction air velocity transducer - Google Patents
A kind of magnetic induction air velocity transducer Download PDFInfo
- Publication number
- CN207318521U CN207318521U CN201721366543.0U CN201721366543U CN207318521U CN 207318521 U CN207318521 U CN 207318521U CN 201721366543 U CN201721366543 U CN 201721366543U CN 207318521 U CN207318521 U CN 207318521U
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- magnetic induction
- hollow tube
- ball
- transmission shaft
- concave portion
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Abstract
The utility model provides a kind of magnetic induction air velocity transducer, including installing plate；Box body is set on the installing plate, microcontroller, storage battery, A/D converter are equipped with the box body；Hollow tube is equipped with above the box body, transmission shaft is provided with the hollow tube, the top of the transmission shaft is provided with wind direction bar, wind vane is provided with the wind direction bar, the bottom of the wind direction bar is provided with magnet steel, and magnetic induction unit is provided with below the magnet steel in the hollow tube；The microcontroller is electrically connected with magnetic induction unit, storage battery, A/D converter respectively, and storage battery is electrically connected with A/D converter；The top of the hollow tube is spherical female concave portion, and the wind direction bar is ball with the one end for being driven axis connection, and the ball coordinates with spherical female concave portion, and ball insertion spherical female concave portion, ball can rotate horizontally.The junction of the utility model hollow tube top setting spherical female concave portion, wind direction bar and transmission shaft is spherical to coordinate with spherical female concave portion, not easily broken, and frictional force substantially reduces.
Description
Technical field
It the utility model is related to sensor technical field, and in particular to a kind of magnetic induction air velocity transducer.
Background technology
Current widely used air velocity transducer has eddy current sensor, and the structure of the sensor is simple, it is by wind
Cup drives metal-toothed turntable to rotate by shaft, by calculating of the chip to sensor shaft rotating speed, obtains the data of wind speed, by
It is simple in this sensor construction, it is of low cost, so at some in the less high field of required precision, having obtained extensively
Application.In meteorologic survey work, some more accurate measurement data are generally required, although and eddy current sensor is clever
Sensitivity and durability are all more satisfactory, but its precision cannot complete the measurement work in some current fields, so again
Produce the higher optocoupler induction type air velocity transducer of precision.The principle of optocoupler induction type air velocity transducer is, when vane rotates
When, multiple tooth turntable rotation is driven by main shaft, shines the light emitting diode that the phototriode below multiple tooth turntable receives above
The light to get off is penetrated, by the state of phototriode on or off, forms the frequency signal directly proportional to vane rotating speed, and
Detailed air speed data can be obtained after calculating, but this sensor cost is higher, not yet popularization and application.
Existing air velocity transducer includes installing plate, box body, the transmission shaft of setting on a mounting board, and the top of transmission shaft is set
There is wind speed cup, the bottom of transmission shaft sets wind speed conversion circuit module.There are vane and transmission shaft connection place for the above-mentioned prior art
It is easily broken, the defects of spin friction is big.
Utility model content
In view of the above shortcomings of the prior art, the utility model provides a kind of magnetic induction air velocity transducer, heavily fortified point simple in structure
Gu not easily broken, rotating friction force is small, suitable for fields such as meteorology, ocean, environment, agricultural, forestry, water conservancy, electric power, scientific researches.
To achieve the above object, the utility model adopts the following technical solution：
A kind of magnetic induction air velocity transducer, including installing plate；Box body is set on the installing plate, is equipped with the box body single
Piece machine, storage battery, A/D converter；Hollow tube is equipped with above the box body, transmission shaft, the biography are provided with the hollow tube
The top of moving axis sets three vanes being connected with each other by blade, and the bottom of the transmission shaft is provided with magnet steel, described hollow
In pipe magnetic induction unit is provided with below the magnet steel；The microcontroller turns with magnetic induction unit, storage battery, A/D respectively
Parallel operation is electrically connected, and storage battery is electrically connected with A/D converter；The top of the hollow tube is spherical female concave portion, the blade
One end with being driven axis connection is ball, and the ball coordinates with spherical female concave portion, and ball insertion spherical female concave portion, ball can water
Flat rotation.
Further, the microcontroller includes PORT COM, be connected with the PORT COM communication cable or
Wireless communication apparatus.
Further, the blade is Al-alloy parts, and the vane is metalwork.
Beneficial effect：Hollow tube top sets spherical female concave portion, and the junction of blade and transmission shaft is and spherical female concave portion
What is coordinated is spherical, not easily broken, and frictional force substantially reduces.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Figure label：1st, installing plate；2nd, vane；3rd, blade；4th, hollow tube；5th, box body；6th, transmission shaft；7th, magnet steel；8th, magnetic
Sensing unit；9th, storage battery；10th, microcontroller；11st, A/D converter；12nd, ball.
Embodiment
The structure and the course of work of the utility model are described further below in conjunction with the accompanying drawings.
As shown in Figure 1, the utility model provides a kind of magnetic induction air velocity transducer, including installing plate 1；The installing plate 1
Upper setting box body 5, the box body 5 is interior to be equipped with microcontroller 10, storage battery 9, A/D converter 11；The top of box body 5 is equipped with hollow
Pipe 4, transmission shaft 6 is provided with the hollow tube 4, and the top of the transmission shaft 6 sets three wind being connected with each other by blade 3
Cup 2, the bottom of the transmission shaft 6 are provided with magnet steel 7, magnetic induction list are provided with below the magnet steel 7 in the hollow tube 4
Member 8；The microcontroller 10 is electrically connected with magnetic induction unit 8, storage battery 9, A/D converter 11 respectively, and storage battery 9 and A/D turns
Parallel operation 11 is electrically connected；The top of the hollow tube 4 is spherical female concave portion, and one end that the blade 3 is connected with transmission shaft 6 is circle
Ball 12, the ball 12 coordinate with spherical female concave portion, and ball 12 is embedded in spherical female concave portion, and ball 12 can rotate horizontally.The list
Piece machine 10 includes PORT COM, and communication cable or wireless communication apparatus are connected with the PORT COM.The blade 3
For Al-alloy parts, the vane 2 is metalwork.
The operation principle of the utility model is：Installing plate 1 is installed on tested point, when wind-force is acted on according to a direction
When on vane 2, vane 2 drives transmission shaft 6 to rotate, magnetic induction unit by variation magnetic field be converted into magnetic induction voltage export to
Microcontroller 10.4 top of hollow tube is spherical female concave portion, and the junction of blade 3 and transmission shaft 6 is the circle coordinated with spherical female concave portion
Ball 12, such structure is not easy to break, and frictional force substantially reduces.
Those skilled in the art of the present technique are it is understood that unless otherwise defined, all terms used herein (including skill
Art term and scientific terminology) there is the meaning identical with the general understanding of the those of ordinary skill in the utility model fields
Justice.It should also be understood that those terms such as defined in the general dictionary should be understood that with upper with the prior art
The consistent meaning of meaning hereinafter, and unless defined as here, will not with the implication of idealization or overly formal come
Explain.
Above-described embodiment, the purpose of this utility model, technical solution and beneficial effect have been carried out into
One step describes in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
The utility model processed, where within the spirit and principles of the present invention, any modification, equivalent substitution, improvement and etc. done,
It should be included within the scope of protection of this utility model.
Claims (3)
1. a kind of magnetic induction air velocity transducer, it is characterised in that including installing plate (1)；Box body is set on the installing plate (1)
(5), microcontroller (10), storage battery (9), A/D converter (11) are equipped with the box body (5)；In being equipped with above the box body (5)
Blank pipe (4), the hollow tube (4) is interior to be provided with transmission shaft (6), and the top of the transmission shaft (6) is set by blade (3) mutually
Three vanes (2) of connection, the bottom of the transmission shaft (6) are provided with magnet steel (7), are located at the magnetic in the hollow tube (4)
Magnetic induction unit (8) is provided with below steel (7)；The microcontroller (10) respectively with magnetic induction unit (8), storage battery (9), A/D
Converter (11) is electrically connected, and storage battery (9) is electrically connected with A/D converter (11)；The top of the hollow tube (4) is spherical
Concave part, one end that the blade (3) is connected with transmission shaft (6) are ball (12), and the ball (12) is matched somebody with somebody with spherical female concave portion
Close, the embedded spherical female concave portion of ball (12), ball (12) can rotate horizontally.
2. a kind of magnetic induction air velocity transducer according to claim 1, it is characterised in that the microcontroller (10) includes
PORT COM, is connected with communication cable or wireless communication apparatus on the PORT COM.
3. a kind of magnetic induction air velocity transducer according to claim 1, it is characterised in that the blade (3) is aluminium alloy
Part, the vane (2) are metalwork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721366543.0U CN207318521U (en) | 2017-10-23 | 2017-10-23 | A kind of magnetic induction air velocity transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721366543.0U CN207318521U (en) | 2017-10-23 | 2017-10-23 | A kind of magnetic induction air velocity transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207318521U true CN207318521U (en) | 2018-05-04 |
Family
ID=62381990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721366543.0U Active CN207318521U (en) | 2017-10-23 | 2017-10-23 | A kind of magnetic induction air velocity transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207318521U (en) |
-
2017
- 2017-10-23 CN CN201721366543.0U patent/CN207318521U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200708 Address after: 210000 203-8, floor 2, Beidou building, No. 6, Huida Road, Jiangbei new district, Nanjing City, Jiangsu Province Patentee after: Nanjing Xinda Safety Emergency Management Research Institute Co., Ltd Address before: Room A1, Pioneer Park, Nanjing University of Information Engineering, No. 114, Pancheng New Street, Nanjing High-tech Development Zone, Jiangsu Province Patentee before: NANJING KAITIANYAN UAV TECHNOLOGY Co.,Ltd. |