CN108490211A - A kind of micro radio anemoclinograph - Google Patents
A kind of micro radio anemoclinograph Download PDFInfo
- Publication number
- CN108490211A CN108490211A CN201810314783.9A CN201810314783A CN108490211A CN 108490211 A CN108490211 A CN 108490211A CN 201810314783 A CN201810314783 A CN 201810314783A CN 108490211 A CN108490211 A CN 108490211A
- Authority
- CN
- China
- Prior art keywords
- anemoclinograph
- air velocity
- wind speed
- mcu
- capacitance
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
-
- 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
- G01P5/08—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect
- G01P5/083—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect by using electronic circuits for measuring the dynamoelectric effect
Abstract
A kind of micro radio anemoclinograph includes host and wind speed wind direction sensor probe, the host includes shell and master control borad, the anemoclinograph sensor probe includes MEMS air velocity transducers chip and shell, the difference of four sides of the shell is embedding, and there are one MEMS air velocity transducer chips, each MEMS air velocity transducer chips correspond to the wind speed of detection all directions four direction, are connect with master control borad by conducting wire.The master control borad includes power module, capacitive detection module, MCU, communication module, the capacitive detection module is connected with the MCU, capacitance to measure MEMS air velocity transducer chips is transmitted to MCU by Serial Peripheral Interface (SPI), the wind speed and direction value that MCU is resolved wirelessly is sent to Cloud Server by the communication module, and user can remotely check the wind direction value of each monitoring point.The configuration of the present invention is simple is low in energy consumption, high certainty of measurement, convenient using wireless communication mode networking.
Description
Technical field
The present invention relates to wind speed and wind direction field of measuring technique more particularly to a kind of micro radio anemoclinographs.
Background technology
Wind direction, anemobiagraph are mainly used for measuring instantaneous wind speed wind direction and average wind speed and direction, be widely used in wind-power electricity generation,
The technical fields such as weather monitoring.Current most widely used anemoclinograph mainly has mechanical anemoclinograph and ultrasonic wave wind
Fast anemoscope, mechanical anemometer are that the two detaches with anemoscope, and simple in structure, cheap is its great advantage, however
Its disadvantage is that have revolving part, and there are deteriorations, are easily lost by dust storm, is easily freezed, sleety weather interference, need to periodically be tieed up
Shield, and ultrasonic aerovane complicated integral structure, weight are big, price is high.
Invention content
For the present invention in view of the above-mentioned problems of the prior art, providing a kind of micro radio anemoclinograph, volume is micro-
Type, low in energy consumption, there is no mechanical revolving parts, and the service life is longer.
To achieve the above object, the technical proposal of the invention is realized in this way.
A kind of micro radio anemoclinograph includes host and wind speed wind direction sensor probe.
The wind speed wind direction sensor probe includes shell and four MEMS air velocity transducer chips, and the shell is mainly made
With being the fixed MEMS air velocity transducer chips of support, the difference of four sides of shell is embedding, and there are one MEMS air velocity transducer cores
Piece, each MEMS air velocity transducers chip correspond to the wind speed of detection all directions four direction, 4 MEMS air velocity transducer chips
It is connect with the master control borad in host by extraction wire, the lower part of the housing is equipped with external screw thread, and the wind speed wind direction sensor is visited
Head is installed on by external screw thread at the top of host.
Further, the MEMS air velocity transducers chip includes substrate, film, electrode and pin, the substrate one side
Open there are one the channel of square groove and connection a square groove and chip exterior, the film is overlying on above square groove, film with
Square groove forms a cavity, and the channel in substrate can keep inside cavity air pressure to be balanced with ambient pressure, and the electrode is located at
Inside cavity, in the lower surface of film, another pole is drawn from electrode both ends respectively in rectangular trench bottom, the pin for a pole of electrode
Go out, is used for external cabling.
When measuring wind speed, external wind blows to the film of MEMS air velocity transducer chips, since film lower section cavity is via base
Channel on bottom is communicated with the external world, and the air pressure in cavity keeps balancing with ambient pressure, therefore the deformation quantity of film is by wind pressure
Size determines.Wind pressure is converted to film deformation quantity by MEMS air velocity transducers chip, and film deformation quantity turns further through the electrode
Change measurable capacitance into.Therefore the master control borad can measure wind by measuring the capacitance of MEMS air velocity transducer chips
Fast size.
The host includes shell and master control borad.
The shell is sealing structure, and water proof and dust proof makes anemoclinograph adapt to various working environments, and cover top portion is equipped with
One threaded hole, for installing wind speed wind direction sensor probe, outer casing underpart is uniformly distributed four mounting holes, facilitates wind speed and direction
Instrument installation is fixed.
The master control borad includes power module, capacitive detection module, MCU, communication module.
The power module is to give the master control borad to power, using lithium battery power supply.
The capacitive detection module is connected with the MCU, to measure the capacitance of MEMS air velocity transducer chips, and leads to
It crosses Serial Peripheral Interface (SPI) and is transmitted to MCU.
Preferably, the capacitive detection module uses capacitance measurement chip Pcap01A.The MEMS air velocity transducers chip
Pin one end is grounded, and the other end accesses capacitance measurement chip Pcap01A, the wiring side of four MEMS air velocity transducers chips altogether
Method can compensate for capacitance measurement chip Pcap01A internal parasitic capacitances, thus can reduce measured capacitance value error, while capacitance measurement
The external thermo-sensitive resistors of chip Pcap01A can carry out tc compensation by measuring temperature, prevent temperature to measured capacitance value essence
The influence of degree.
The MCU receives the capacitance value data that the capacitive detection module is sent, and is turned capacitance by certain algorithm
It is changed to all directions air speed value, further by vectorial parallelogram law, all directions air speed value is synthesized into actual wind speed value
And wind direction.
The communication module is connected with the MCU, and the wind speed and direction value to resolve MCU is wirelessly sent to
Cloud Server.
Further, the communication module use low-consumption wireless Internet of Things transmission module, spare GPRS/3G/4G networks,
One or more in Zigbee are combined.
Further, the low-consumption wireless Internet of Things transmission module uses LoRa or NB-IOT communication chips.
User can remotely access Cloud Server by user terminal, check the wind direction value of each monitoring point.
The present invention measures wind direction and wind velocity by MEMS air velocity transducer chips, and appearance and size is small, simple in structure, low in energy consumption,
Wind speed wind direction sensor probe is installed on by external screw thread at the top of host, and there is no mechanical revolving part, service life is long；Using low
Power consumption wireless transmission mode, spare communication are suitble to a variety of sector application scenes.
Description of the drawings
Fig. 1 is micro radio anemoclinograph external structure.
Fig. 2 is wind speed wind direction sensor sonde configuration figure.
Fig. 3 is MEMS air velocity transducer chip profile figures.
Fig. 4 is master control borad frame diagram.
Fig. 5 is the circuit diagram of MEMS air velocity transducers chip and capacitive detection module.
Fig. 6 is MCU and peripheral circuit figure.
Fig. 7 is communication module circuit diagram.
Reference sign：Wind speed wind direction sensor probe 1, MEMS air velocity transducers chip 11, substrate 111, film
112, electrode 113, cavity 1111, channel 1112, wind speed wind direction sensor probing shell 12, external screw thread 121, conducting wire 13, host
2, mounting hole 21.
Specific implementation mode
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
Due to this.
As shown in Figure 1, a kind of micro radio anemoclinograph includes host 2 and wind speed wind direction sensor probe 1.
As depicted in figs. 1 and 2, the wind speed wind direction sensor probe 1 includes shell 12 and four MEMS air velocity transducers
Chip 11,12 main function of the shell are the fixed MEMS air velocity transducers chip 11 of support, point of four sides of shell 12
It is not embedding that there are one MEMS air velocity transducers chip 11, each correspondence of MEMS air velocity transducers chip 11 detection sides of all directions four
To wind speed, 4 MEMS air velocity transducers chips 11 are connect by extraction wire 13 with the master control borad in host 2, the shell
12 lower parts are equipped with external screw thread 121, and the wind speed wind direction sensor probe 1 is installed on 2 top of host by external screw thread 121.
Further, as shown in figure 3, the MEMS air velocity transducers chip includes substrate 111, film 112, electrode 113
And pin, the substrate 111 are opened on one side there are one the channel 1112 of square groove 1111 and connection a square groove and chip exterior,
The film 112 is overlying on 1111 top of square groove, and film 112 forms a cavity, the channel in substrate 111 with square groove 1111
1112 can keep inside cavity air pressure to be balanced with ambient pressure, and 113 portion within the cavity of the electrode, a pole of electrode 113 exists
The lower surface of film 112, another pole is drawn from 113 both ends of electrode respectively in 1111 bottom of square groove, the pin, for outside
Wiring.
When measuring wind speed, external wind blows to the film 112 of MEMS air velocity transducers chip 11, due to 112 lower section chamber of film
Body is communicated via the channel 1112 in substrate with the external world, and the air pressure in cavity keeps balancing with ambient pressure, therefore film 112
Deformation quantity is determined by the size of wind pressure.Wind pressure is converted to film deformation quantity by MEMS air velocity transducers chip, and film deformation quantity is again
It is converted into measurable capacitance by the electrode 113.Therefore the master control borad can be by measuring MEMS air velocity transducer cores
The capacitance of piece 11 measures wind speed size.
The host includes shell and master control borad.
As shown in Figure 1, the shell is sealing structure, water proof and dust proof makes anemoclinograph adapt to various working environments, outside
It is set at the top of shell there are one threaded hole, for installing wind speed wind direction sensor probe, outer casing underpart is uniformly distributed four mounting holes 21,
Anemoclinograph installation is facilitated to fix.
As shown in figure 4, the master control borad includes power module, capacitive detection module, MCU, communication module.
The power module is to give the master control borad to power, using lithium battery power supply.
As shown in Figure 5 and Figure 6, the capacitive detection module is connected with the MCU, to measure MEMS air velocity transducer cores
The capacitance of piece, and MCU is transmitted to by Serial Peripheral Interface (SPI).
Preferably, the capacitive detection module uses capacitance measurement chip Pcap01A.As shown in figure 5, the MEMS wind speed
Sensor chip pin one end is grounded, and the other end accesses capacitance measurement chip Pcap01A, and four MEMS air velocity transducer chips are total
The wiring method on ground can compensate for capacitance measurement chip Pcap01A internal parasitic capacitances, thus can reduce measured capacitance value error, together
When the external thermo-sensitive resistors of capacitance measurement chip Pcap01A, can by measuring temperature carry out tc compensation, prevent temperature to electricity
The influence of capacitance measurement accuracy.
The MCU receives the capacitance value data that the capacitive detection module is sent, and is turned capacitance by certain algorithm
It is changed to all directions air speed value, further by vectorial parallelogram law, all directions air speed value is synthesized into actual wind speed value
And wind direction.
As shown in fig. 6, the MCU uses STM32L051C8 chips.
The communication module is connected with the MCU, and the wind speed and direction value to resolve MCU is wirelessly sent to
Cloud Server.
Further, the communication module use low-consumption wireless Internet of Things transmission module, spare GPRS/3G/4G networks,
One or more in Zigbee are combined.
Further, as shown in fig. 7, the low-consumption wireless Internet of Things transmission module uses LoRa communication chips.
User can remotely access Cloud Server by user terminal, check the wind direction value of each monitoring point, receive report
It is alert to remind.
Embodiment described above, only one kind of the present invention more preferably specific implementation mode, those skilled in the art
The usual variations and alternatives that member carries out within the scope of technical solution of the present invention should be all included within the scope of the present invention.
Claims (10)
1. a kind of micro radio anemoclinograph, including host and wind speed wind direction sensor probe, it is characterised in that：The host
Including shell and master control borad；
The wind speed wind direction sensor probe includes shell and four MEMS air velocity transducer chips, and the shell main function is
The fixed MEMS air velocity transducer chips of support, the difference of four sides of shell is embedding, and there are one MEMS air velocity transducer chips, often
A MEMS air velocity transducers chip corresponds to the wind speed of detection all directions four direction, and 4 MEMS air velocity transducer chips pass through
Extraction wire is connect with the master control borad in host, and the lower part of the housing is equipped with external screw thread, and the wind speed wind direction sensor probe is logical
External screw thread is crossed to be installed at the top of host；
The master control borad includes power module, capacitive detection module, MCU, communication module.
2. a kind of micro radio anemoclinograph as described in claim 1, it is characterised in that：The shell is sealing structure,
Water proof and dust proof makes anemoclinograph adapt to various working environments, and cover top portion sets that there are one threaded holes, for installing wind speed and direction
Sensor probe, outer casing underpart are uniformly distributed four mounting holes, and anemoclinograph installation is facilitated to fix.
3. a kind of micro radio anemoclinograph as described in claim 1, it is characterised in that：The MEMS air velocity transducers core
Piece includes substrate, film, electrode and pin, and the substrate is opened on one side outside there are one square groove and a connection square groove and chip
The channel in portion, the film are overlying on above square groove, and film forms a cavity with square groove, and the channel in substrate can holding chamber
Body air pressure inside is balanced with ambient pressure, and the electrode portion within the cavity, a pole of electrode is in the lower surface of film, Ling Yiji
In rectangular trench bottom, the pin is drawn from electrode both ends respectively, is used for external cabling.
4. a kind of micro radio anemoclinograph as described in claim 1, it is characterised in that：The power module is to give
Master control borad power supply is stated, using lithium battery power supply.
5. a kind of micro radio anemoclinograph as described in claim 1, it is characterised in that：The capacitive detection module is preferred
Capacitance measurement chip Pcap01A to measure the capacitance of MEMS air velocity transducer chips, and is transmitted by Serial Peripheral Interface (SPI)
To MCU.
6. a kind of micro radio anemoclinograph as described in claim 1 or 5, it is characterised in that：The MEMS wind speed sensing
Device chip pin one end is grounded, and the other end accesses capacitance measurement chip Pcap01A, and four MEMS air velocity transducers chips are altogether
Wiring method can compensate for capacitance measurement chip Pcap01A internal parasitic capacitances, thus can reduce measured capacitance value error, while electricity
Hold and measure the external thermo-sensitive resistors of chip Pcap01A, tc compensation can be carried out by measuring temperature, prevent temperature to capacitance
The influence of measurement accuracy.
7. a kind of micro radio anemoclinograph as described in claim 1, it is characterised in that：The MCU receives the capacitance
The capacitance value data that detection module is sent, and capacitance is converted to by all directions air speed value by certain algorithm, further pass through
All directions air speed value is synthesized actual wind speed value and wind direction by vectorial parallelogram law.
8. a kind of micro radio anemoclinograph as described in claim 1, it is characterised in that：The communication module with it is described
MCU is connected, and the wind speed and direction value to resolve MCU is wirelessly sent to Cloud Server, using low-consumption wireless object
Networking transport module, one or more in spare GPRS/3G/4G networks, Zigbee are combined.
9. low-consumption wireless Internet of Things transmission module as claimed in claim 8, it is characterised in that：The low-consumption wireless Internet of Things
Net transmission module uses LoRa or NB-IOT communication chips.
10. a kind of micro radio anemoclinograph as described in claim 1, it is characterised in that：The MCU is used
STM32L051C8 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810314783.9A CN108490211A (en) | 2018-04-10 | 2018-04-10 | A kind of micro radio anemoclinograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810314783.9A CN108490211A (en) | 2018-04-10 | 2018-04-10 | A kind of micro radio anemoclinograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108490211A true CN108490211A (en) | 2018-09-04 |
Family
ID=63315340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810314783.9A Pending CN108490211A (en) | 2018-04-10 | 2018-04-10 | A kind of micro radio anemoclinograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108490211A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609150A (en) * | 2019-10-28 | 2019-12-24 | 广州极飞科技有限公司 | Wind speed and direction measuring device and outdoor detection station |
| CN110985894A (en) * | 2019-12-31 | 2020-04-10 | 武汉安耐捷科技工程有限公司 | Buried gas pipeline detector |
| CN111398623A (en) * | 2019-03-01 | 2020-07-10 | 上海电机学院 | Intelligent wind speed detection system |
| CN112777462A (en) * | 2021-02-07 | 2021-05-11 | 杭州西奥电梯有限公司 | Control method of door closing resistance self-adaptive elevator door motor |
-
2018
- 2018-04-10 CN CN201810314783.9A patent/CN108490211A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398623A (en) * | 2019-03-01 | 2020-07-10 | 上海电机学院 | Intelligent wind speed detection system |
| CN111398623B (en) * | 2019-03-01 | 2022-06-28 | 上海电机学院 | Intelligent wind speed detection system |
| CN110609150A (en) * | 2019-10-28 | 2019-12-24 | 广州极飞科技有限公司 | Wind speed and direction measuring device and outdoor detection station |
| CN110985894A (en) * | 2019-12-31 | 2020-04-10 | 武汉安耐捷科技工程有限公司 | Buried gas pipeline detector |
| CN110985894B (en) * | 2019-12-31 | 2022-03-11 | 武汉安耐捷科技工程有限公司 | Buried gas detector |
| CN112777462A (en) * | 2021-02-07 | 2021-05-11 | 杭州西奥电梯有限公司 | Control method of door closing resistance self-adaptive elevator door motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108490211A (en) | A kind of micro radio anemoclinograph | |
| CN202329893U (en) | Wireless testing sensor of pumping unit indicator diagram | |
| CN108931692A (en) | Balloon borne formula MEMS sounding electric-field sensor and its scaling method | |
| CN206311781U (en) | A kind of meteorological six key elements monitor | |
| CN106871961A (en) | Overall process, round-the-clock electromagnetic environment monitoring system and method | |
| CN208921730U (en) | A kind of portable wind direction and wind velocity measuring instrument | |
| CN102798497A (en) | Intelligent atmospheric pressure measuring device | |
| CN208172033U (en) | A kind of micro radio anemoclinograph | |
| CN205643379U (en) | Wind direction air velocity transducer | |
| CN215339616U (en) | Soil temperature and moisture sensor | |
| CN203572987U (en) | Intelligent alarm pluviometer | |
| CN208937210U (en) | A kind of micro-structure fast temperature sensor and miniaturization Acquisition Circuit | |
| CN106353531A (en) | Wind velocity transducer | |
| CN201335718Y (en) | Bubble-type water gauge | |
| CN212513444U (en) | Gas pressure low-power consumption data acquisition device | |
| CN205450021U (en) | Three -dimensional hydrology data sensor | |
| CN114353739A (en) | Miniaturized multifunctional probe sensor | |
| CN207066506U (en) | A kind of annular temp.-humidity measuring apparatus | |
| CN106841826A (en) | Real-time electromagnetic environment on-line monitoring system and method based on multi-stage distributed network | |
| CN207866382U (en) | A kind of Intellectual Thermal Transmitter | |
| CN215375473U (en) | Anemoscope with online calibration function | |
| CN210051718U (en) | Novel water-holding instrument and impedance type water-holding sensor | |
| CN104807580A (en) | Integrated wireless indicator diagram sensor | |
| CN205679236U (en) | GPS three-dimensional electronic compass instrument | |
| CN218238931U (en) | Integrated ultrasonic flowmeter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |