CN109239391A - Wind speed measurement system - Google Patents
Wind speed measurement system Download PDFInfo
- Publication number
- CN109239391A CN109239391A CN201810949790.6A CN201810949790A CN109239391A CN 109239391 A CN109239391 A CN 109239391A CN 201810949790 A CN201810949790 A CN 201810949790A CN 109239391 A CN109239391 A CN 109239391A
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- module
- voltage
- measurement system
- wind speed
- speed measurement
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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
- G01P5/08—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
- G01P5/086—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 special arrangements and constructions for measuring the dynamo-electric effect
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Wind Motors (AREA)
Abstract
The present invention relates to a kind of wind speed measurement system, the wind speed measurement system includes: acquisition module, voltage modulated module and processing module；The voltage modulated module is connect with the acquisition module and the processing module；The acquisition module is for converting wind energy into electric energy and being transmitted to the voltage modulated module；The voltage modulated module is used to carry out the voltage that the acquisition module transmit to integrate and by the voltage transmission after integral to the processing module；The processing module is used to carry out sampling processing to the voltage after voltage modulated module integral and obtains air speed data according to sampled result.Wind speed measurement system of the invention, it is integrated by the floating voltage that the voltage modulated module exports the acquisition module, and the voltage after integral is sampled by the processing module, so that the digital signal that the processing module samples is more accurate, to which the air speed data obtained is more accurate, equipment is simple.
Description
Technical field
The present invention relates to wind speed measurement technical field, in particular to a kind of wind speed measurement system.
Background technique
For air speed data as reference index important in production and living, the accuracy of detection is the normal production and living of people
Guarantee.Air velocity transducer detection wind speed, the open-circuit voltage that air velocity transducer passes through detection wind-driven generator are generallyd use at present
Or short circuit current detection wind speed, but the detection of the high-precision of open-circuit voltage and short circuit current need to be by complicated instrument and equipment, no
Conducive to the miniaturization of practical application, and the detection method of open-circuit voltage and short circuit current is for using friction generator converting wind energy
Air velocity transducer there are biggish errors.
Summary of the invention
Based on this, it is necessary to which the big problem of complexity and error for wind speed measurement equipment provides a kind of wind speed measurement
System.
A kind of wind speed measurement system, the wind speed measurement system include: acquisition module, voltage modulated module and processing mould
Block；The voltage modulated module is connect with the acquisition module and the processing module；The acquisition module is used to turn wind energy
It changes electric energy into and is transmitted to the voltage modulated module；The voltage modulated module is used for the voltage transmitted to the acquisition module
Carry out integral and by the voltage transmission after integral to the processing module；The processing module is used for the voltage modulated module
Voltage after integral carries out sampling processing and obtains air speed data according to sampled result.
The voltage modulated module includes capacitor and the resistance in parallel with capacitor in one of the embodiments,.
It in one of the embodiments, further include energy-storage module, the energy-storage module and the acquisition module, the voltage
Modulation module and processing module connection；The energy-storage module is used to store the electric energy of the acquisition module conversion and is described
Voltage modulated module and processing module power supply.
The processing module includes AD conversion unit in one of the embodiments, and the AD conversion unit is used for
Voltage after voltage modulated module integral is converted into digital signal.
The processing module further includes acquiring unit in one of the embodiments, and the acquiring unit is used for according to institute
It states digital signal and obtains corresponding air speed data.
It in one of the embodiments, further include receiving module, the processing module further includes transmitting unit；The transmitting
Unit is for sending the air speed data to the receiving module；The receiving module is for receiving the air speed data.
The transmitting unit and the receiving module are antenna in one of the embodiments,.
It in one of the embodiments, further include sending module, the receiving module is also used to transmit the air speed data
To the sending module, the sending module is for sending the air speed data to server.
The acquisition module includes rectification unit in one of the embodiments, and the rectification unit is used for alternating current
Pressure is converted into DC voltage and is transmitted to the voltage modulated module and the energy-storage module.
The acquisition module is wind-driven generator in one of the embodiments,.
Above-mentioned wind speed measurement system, the floating voltage that the acquisition module is exported by the voltage modulated module into
Row integral, and the voltage after integral is sampled by the processing module, so that the number that the processing module samples
Word signal is more accurate, so that the air speed data obtained is more accurate, equipment is simple.
Detailed description of the invention
Fig. 1 is the functional block diagram for the wind speed measurement system that the embodiment of the present invention provides；
Fig. 2 is the schematic diagram for the friction generator that the embodiment of the present invention provides；
Fig. 3 is the floating voltage and the relational graph of time for the friction generator output that the embodiment of the present invention provides；
Fig. 4 is the circuit diagram of voltage modulated module shown in FIG. 1；
Fig. 5 is the sampled voltage and the relational graph of time for the AD conversion unit that the embodiment of the present invention provides.
Specific embodiment
Referring to Fig. 1, Fig. 1 is the functional block diagram of wind speed measurement system provided by the invention.The wind speed measurement system
It include: acquisition module 10, voltage modulated module 20 and processing module 30.The voltage modulated module 20 and the acquisition module 10
And the processing module 30 connects.The acquisition module 10 is for converting wind energy into electric energy and being transmitted to the voltage modulated mould
Block 20；The voltage modulated module 20 is used to carry out the voltage that the acquisition module 10 transmit to integrate and by the voltage after integral
It is transmitted to the processing module 30；The processing module 30 is used to adopt the voltage after the voltage modulated module 20 integral
Sample processing simultaneously obtains air speed data according to sampled result.
In the present embodiment, the acquisition module 10 is friction generator, for converting wind energy into alternating current.At other
In embodiment, the acquisition module 10 can be wind-driven generator.
Referring to Fig. 2, Fig. 2 is the schematic diagram of friction generator.Friction generator include top crown 101, bottom crown 102 and
The film 103 being set between top crown 101 and bottom crown 102.The top crown 101, the bottom crown 102 and the film
103 material is metal.In the present embodiment, the material of the top crown 101, the bottom crown 102 and the film 103
It is aluminium.Electret has been respectively coated in the top crown 101 and the side opposite with the film 103 of the bottom crown 102
104.The electret 104 is filled with negative electrical charge and the electret 104 can store charge for a long time.The film 103 includes
The upper film 1031 opposite with the top crown 101 and the lower film 1032 opposite with the bottom crown 102.The upper film
Insulator 105 is set between 1031 and the lower film 1032.The upper film 1031 and the top crown 101 composition one are defeated
Electrode 106 out, the lower film 1032 constitute another output electrode 106 with the bottom crown 102.When the film 103 by
When wind drive, the upper film 1031 is periodically contacted with the top crown 101, is separated, the lower film 1032 and institute
It states bottom crown 102 periodically to contact, separate, in turn, the charge on the top crown 101 and the bottom crown 102 is because of friction
Effect and electrostatic effect and move, alternating current is generated between the upper film 1031 and the top crown 101, under described
Alternating current is generated between film 1032 and the bottom crown 102.Wind speed is bigger, the film 103 and the top crown 101 and
The frequency that the bottom crown 102 contacts is higher and the film 103 pats the power of the top crown 101 and the bottom crown 102
Degree is bigger, and the mean power that the output electrode 106 exports is higher.Because the film 103 and the top crown 101 and it is described under
The uncertainty that 102 contact position of pole plate and wind-force are disturbed, the instantaneous power that the output electrode 106 exports is extremely unstable,
And then the alternating voltage that output electrode 106 exports is also extremely unstable, so that the floating voltage of friction generator output is extremely unstable,
As shown in Figure 3.
The wind speed measurement system further includes energy-storage module 40, the energy-storage module 40 and the acquisition module 10, described
Voltage modulated module 20 and the processing module 30 connect；The energy-storage module 40 is used to store what the acquisition module 10 was converted
Electric energy is simultaneously powered for the voltage modulated module 20 and the processing module 30.The energy-storage module 40 realizes the wind speed inspection
The self energizing of examining system.
The processing module 30 includes AD conversion unit 31, and the AD conversion unit 31 is used for the voltage modulated
Voltage after module 20 integrates is converted into digital signal.
Referring to Fig. 4, the voltage modulated module 20 includes the capacitor C and resistance R in parallel with capacitor C.The capacitor C with
One end of the resistance R parallel connection is connect with the acquisition module 10 and the AD conversion unit 31.The acquisition module 10 is defeated
Floating voltage out is transmitted to the voltage modulated module 20, and the capacitor C accumulates the floating voltage with the resistance R
Point, and by the voltage transmission after integral to the AD conversion unit 31.The AD conversion unit 31 is to the voltage modulated
Voltage after module 20 integrates is sampled, and voltage signal is converted into digital signal, as shown in figure 5, Fig. 5 turns for the modulus
When changing the voltage sample that unit 31 exports the voltage modulated module 20, the relational graph of sampled voltage Vfs and time t.In figure
Dotted portion be saturation voltage Vsat, the protrusion between dotted portion is caused by the sampling of the AD conversion unit 31, is adopted
The time of sample is less than 35ms, and the time of convex portion is about 6s, and therefore, error caused by convex portion can be ignored.Pass through institute
It states the floating voltage that voltage modulated module 20 exports the acquisition module 10 to integrate, and passes through the AD conversion unit
Voltage after 31 pairs of integrals samples, so that the digital signal that the sampling of the AD conversion unit 31 obtains is more accurate, thus
The air speed data of acquisition is more accurate.
The processing module 30 further includes acquiring unit 32, and the acquiring unit 32 for obtaining according to the digital signal
Corresponding air speed data.It should be noted that being stored with the corresponding air speed data of each digital signal in the processing module 30.
The wind speed measurement system further includes receiving module 50, and the processing module 30 further includes transmitting unit 33.It is described
Transmitting unit 33 is for sending the air speed data to the receiving module 50；The receiving module 50 is for receiving the wind speed
Data.
The processing module 30 further includes sending module 60, and the receiving module 50 is also used to transmit the air speed data extremely
The sending module 60, the sending module 60 is for sending the air speed data to server.In the present embodiment, the hair
Module 60 is sent to connect by wireless network with the server.
In the present embodiment, the transmitting unit 33 and the receiving module 50 are antenna.
It should be noted that the receiving module 50 and the sending module 60 are by mains-supplied.
The acquisition module 10 includes rectification unit 11, and the rectification unit 11 is used to alternating voltage being converted into direct current
It presses and is transmitted to the voltage modulated module 20 and the energy-storage module 40.The alternating voltage, that is, acquisition module 10 is opened
Road voltage, the floating voltage that the DC voltage, that is, acquisition module 10 exports.
Wind speed measurement system of the invention, the zero load that the acquisition module 10 is exported by the voltage modulated module 20
Voltage is integrated, and is sampled by the voltage after 30 pairs of processing module integrals, so that the processing module 30 is adopted
The digital signal that sample obtains is more accurate, so that the air speed data obtained is more accurate, equipment is simple.The wind speed measurement system is also logical
It crosses the energy-storage module 40 and stores electric energy that the acquisition module 10 is converted and into the voltage modulated module 20 and the processing
Module 30 is powered, and the self energizing of the wind speed measurement system is realized, low in energy consumption.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of wind speed measurement system, which is characterized in that the wind speed measurement system includes: acquisition module, voltage modulated mould
Block and processing module；The voltage modulated module is connect with the acquisition module and the processing module；The acquisition module is used
In converting wind energy into electric energy and be transmitted to the voltage modulated module；The voltage modulated module is used for the acquisition module
The voltage of transmission carries out integral and by the voltage transmission after integral to the processing module；The processing module is used for the electricity
Voltage after pressing modulation module integral carries out sampling processing and obtains air speed data according to sampled result.
2. wind speed measurement system according to claim 1, which is characterized in that the voltage modulated module include capacitor and with
The resistance of capacitor parallel connection.
3. wind speed measurement system according to claim 1, which is characterized in that it further include energy-storage module, the energy-storage module
It is connect with the acquisition module, the voltage modulated module and the processing module；The energy-storage module is for storing described adopt
Collect the electric energy that module is converted and powers into the voltage modulated module and the processing module.
4. wind speed measurement system according to claim 1, which is characterized in that the processing module includes analog-to-digital conversion list
Member, the AD conversion unit are used to the voltage after voltage modulated module integral being converted into digital signal.
5. wind speed measurement system according to claim 4, which is characterized in that the processing module further includes acquiring unit,
The acquiring unit for obtaining corresponding air speed data according to the digital signal.
6. wind speed measurement system according to claim 5, which is characterized in that it further include receiving module, the processing module
It further include transmitting unit；The transmitting unit is for sending the air speed data to the receiving module；The receiving module is used
In the reception air speed data.
7. wind speed measurement system according to claim 6, which is characterized in that the transmitting unit and the receiving module are equal
For antenna.
8. wind speed measurement system according to claim 6, which is characterized in that it further include sending module, the receiving module
It is also used to transmit the air speed data to the sending module, the sending module is for sending the air speed data to service
Device.
9. wind speed measurement system according to claim 1, which is characterized in that the acquisition module includes rectification unit, institute
Rectification unit is stated for alternating voltage to be converted into DC voltage and is transmitted to the voltage modulated module and the energy-storage module.
10. wind speed measurement system according to claim 1, which is characterized in that the acquisition module is wind-driven generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949790.6A CN109239391A (en) | 2018-08-20 | 2018-08-20 | Wind speed measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949790.6A CN109239391A (en) | 2018-08-20 | 2018-08-20 | Wind speed measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109239391A true CN109239391A (en) | 2019-01-18 |
Family
ID=65071036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810949790.6A Pending CN109239391A (en) | 2018-08-20 | 2018-08-20 | Wind speed measurement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346599A (en) * | 2019-07-15 | 2019-10-18 | 哈尔滨工业大学 | For calculating the automation crawler type wind speed detection device and method of boiler wind speed adjustment coefficient of uniformity |
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| CN201497751U (en) * | 2009-08-11 | 2010-06-02 | 湘电风能有限公司 | Wind measurement device during operation of wind-driven generator group |
| CN102230944A (en) * | 2011-03-31 | 2011-11-02 | 蒋亚军 | Wind speed detection device |
| CN102305874A (en) * | 2011-05-20 | 2012-01-04 | 哈尔滨工业大学 | Method for measuring effective wind speed of wind generating set by adopting complementary filter and device for implementing method |
| CN205749558U (en) * | 2016-05-20 | 2016-11-30 | 南京林业大学 | A kind of forest wind slowdown monitoring Apparatus and system |
-
2018
- 2018-08-20 CN CN201810949790.6A patent/CN109239391A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201497751U (en) * | 2009-08-11 | 2010-06-02 | 湘电风能有限公司 | Wind measurement device during operation of wind-driven generator group |
| CN102230944A (en) * | 2011-03-31 | 2011-11-02 | 蒋亚军 | Wind speed detection device |
| CN102305874A (en) * | 2011-05-20 | 2012-01-04 | 哈尔滨工业大学 | Method for measuring effective wind speed of wind generating set by adopting complementary filter and device for implementing method |
| CN205749558U (en) * | 2016-05-20 | 2016-11-30 | 南京林业大学 | A kind of forest wind slowdown monitoring Apparatus and system |
Non-Patent Citations (1)
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| 张学文: "积分电路电容并联电阻仿真研究", 《湖北师范学院学报（自然科学版）》 * |
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| CN110346599A (en) * | 2019-07-15 | 2019-10-18 | 哈尔滨工业大学 | For calculating the automation crawler type wind speed detection device and method of boiler wind speed adjustment coefficient of uniformity |
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Application publication date: 20190118 |