CN204347054U - Blower fan is wireless velocity-measuring system - Google Patents
Blower fan is wireless velocity-measuring system Download PDFInfo
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- CN204347054U CN204347054U CN201520040031.XU CN201520040031U CN204347054U CN 204347054 U CN204347054 U CN 204347054U CN 201520040031 U CN201520040031 U CN 201520040031U CN 204347054 U CN204347054 U CN 204347054U
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- fan
- rotation speed
- data collector
- microcontroller
- blower fan
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- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The utility model relates to tachometric survey field, particularly relate to the wireless velocity-measuring system of a kind of blower fan, comprise multiple rotation speed of fan data collector and master station, wherein rotation speed of fan data collector comprises rotating speed measuring sensor, microcontroller 1, power module and radio receiving transmitting module 1, and master station comprises display module, microcontroller 2 and radio receiving transmitting module 2.The utility model adopts wireless transmission, drops into low, transmits without the need to wiring, have good adaptability for working environment, can be applied to some special production environment.Select non-contact switch type Hall element, consistance is good, highly sensitive, and circuit power consumption is low, can with various logic circuit direct interface.Data transmission adopts high-speed transfer, and transmission speed is fast, has higher anti-interference.
Description
Technical field
The utility model relates to tachometric survey field, particularly relates to a kind of rotating speed wireless measuring system of blower fan.
Background technology
In modern production life, make the increasingly mature of wind generating technology along with the exploitation of people to wind energy, its application also becomes extensively gradually.Wind-power electricity generation is the process of electric energy by changes mechanical energy, and the source giving aerogenerator mechanical energy is exactly natural wind.The size of wind-force is that natural cause determines, the size of wind-force determines again the velocity of rotation of aerogenerator.When wind-force is large, rotation speed of fan is corresponding larger, and the ability to bear between blower fan is limited, if wind-force causes excessively by force rotation speed of fan excessive, just likely causes fan assembly (as rotating shaft, flabellum etc.) to damage, and affects blower fan normal operating conditions.Wind-force hour, blower fan rotates also slow, when blower fan rotates slower, can carry out inspection and maintenance to blower fan.As can be seen here, detect the rotating speed of aerogenerator, not only can reflect blower fan duty, can also judge whether fan assembly performance configuration is optimal selection under the wind speed of this environment.Wind energy is the driving source of wind-power electricity generation, the major part all in wind generator system technical research such as the flowing property of air and the output performance of whole wind powered generator system, and this physical quantity of rotating speed is exactly the concrete manifestation of wind energy power and output characteristics etc.Rotating speed is the important parameter of running status of wind generator observation, and fan speed measurement can not only obtain rotating speed, can also reflect blower fan duty, is convenient to the care and maintenance of blower fan.These have fully demonstrated the meaning to fan speed measurement research.But aerogenerator is generally distributed in the depletion region that barrier is few, wind resource is abundant, the polytrope of its working environment, uncertainty, its rotation speed monitoring scope is larger, the wiring of measuring point distance is inconvenient.
Utility model content
The purpose of this utility model designs a kind ofly to have the aerogenerator speed measuring system that structure is simple, hardware is few, low cost, high precision, antijamming capability are strong, rotation speed of fan is made to obtain measuring accurately also and realizing signal transmitted in both directions, thus more accurate measurements and the work controlling aerogenerator.
For realizing above-mentioned utility model object, the utility model proposes so a kind of technical scheme: a kind of blower fan is wireless velocity-measuring system, comprising multiple rotation speed of fan data collector and master station,
Wherein rotation speed of fan data collector comprises rotating speed measuring sensor, microcontroller 1, power module and radio receiving transmitting module 1,
Rotating speed measuring sensor is used for the measurement of fan blade of wind driven generator rotating speed,
Microcontroller 1 receives the rotary speed data of rotating speed measuring sensor and rotary speed data is sent to master station by radio receiving transmitting module 1,
Power module is used for the power supply supply of each parts of rotation speed of fan data collector,
Radio receiving transmitting module 1 is for the information interaction of rotation speed of fan data collector and master station;
Master station comprises microcontroller 2, display module and radio receiving transmitting module 2,
The rotary speed data that the rotation speed of fan data collector that microcontroller 2 Treatment Analysis is received by radio receiving transmitting module 2 gathers, can send observing and controlling order to rotation speed of fan data collector simultaneously, control the work start and stop of rotation speed of fan data collector,
Display module is used for the mutual of the wireless velocity-measuring system of blower fan and user;
Radio receiving transmitting module 2 is for the information interaction of master station and rotation speed of fan data collector.
Further, above-mentioned rotation speed of fan data collector also comprises shaping circuit, and the irregular pulse waveform that shaping circuit is used for rotating speed measuring sensor exports carries out shaping, the pulse waveform that the microcontroller 1 becoming rule can identify.
Further, above-mentioned microcontroller 1 comprises counter and timer, adopting timer interrupt mode, namely carrying out step-by-step counting in the timer stipulated time when carrying out step-by-step counting, and utilizing the counter values of microcontroller 1 to take multiple measurements, mean value is final rotary speed data.
As preferred version of the present utility model, rotating speed measuring sensor selects non-contact switch type Hall element.
Further, native system arranges one block of magnet steel in the flabellum edge of every typhoon power generator in use, rotating speed measuring sensor and magnet steel distance within the scope of 1cm, selecting of magnetic steel NdFeB material.
The utility model has following beneficial effect: measurement of fan speed adopts wireless transmission, drops into low, transmits without the need to wiring, have good adaptability for working environment, can be applied to some special production environment.The utility model selects non-contact switch type Hall element, neither affect blower fan Rotation With Changing to, the square-wave signal can drawing again convenient process counts, and consistance is good, highly sensitive, and circuit power consumption is low, can with various logic circuit direct interface.The utility model is by the work of the microcontroller controlled in wireless rotation speed of fan data collector of master station, sending measuring command whenever necessary, rotation speed of fan data collector is just started working, do not measure when needing and rotation speed of fan data collector can be arranged to shutdown mode, this mode of operation and the maximum difference of off-position are exactly that chip still retains configuration words, running current is now less than 0.001mA, and energy-saving effect is remarkable.Between radio receiving transmitting module, data transmission adopts high-speed transfer in addition, and transmission speed is fast, has higher anti-interference.
Accompanying drawing explanation
Fig. 1 is overall design drawing of the present utility model;
Fig. 2 is the utility model rotation speed of fan data collector structural representation;
Fig. 3 is the utility model master station structural representation;
Fig. 4 is that the utility model rotating speed measuring sensor tests the speed use schematic diagram.
Embodiment
With regard to a wind-power electricity generation is on-the-spot, forms a power generation region by multiple stage aerogenerator, realize gathering to every Fans rotating speed the data acquisition system (DAS) just needing respective number.Therefore the rotating speed of general plotting design proposal with regard to adopting the mode of multipoint acquisition to measure each blower fan, as shown in Figure 1, the utility model installs rotation speed of fan data collector on each fan assembly, forms many-to-one communication network with master station.
The utility model comprises multiple rotation speed of fan data collector and master station,
As shown in Figure 2, rotation speed of fan data collector comprises rotating speed measuring sensor, microcontroller 1, power module and radio receiving transmitting module 1.
Rotating speed measuring sensor is used for the measurement of fan blade of wind driven generator rotating speed, and as preferred version of the present utility model, rotating speed measuring sensor selects non-contact switch type Hall element.Non-contact switch type Hall element, neither affect blower fan Rotation With Changing to, the square-wave signal can drawing again convenient process counts.Hall switch sensor A1104E upgrades by being widely used in the A3144 that tests the speed, and A1104E voltage range is wide, and consistance is good, highly sensitive, and circuit power consumption is low, can with various logic circuit direct interface.What A1104E cutting magnetic line in magnetic field realized is one open-one close, it is widely used single-pole switch, can realize not contacting generation switching value, can be used for velocity measuring, so the rotating speed measuring sensor of native system selects A1104E Mono-pole switch type Hall element to realize the conversion of rotary speed parameter to electrical quantity.
Microcontroller 1 receives the rotary speed data of rotating speed measuring sensor and rotary speed data is sent to master station by radio receiving transmitting module 1, microcontroller 1 comprises counter and timer, timer interrupt mode is adopted when carrying out step-by-step counting, namely step-by-step counting is carried out in the timer stipulated time, and utilizing the counter values of microcontroller 1 to take multiple measurements, mean value is final rotary speed data.
Power module is used for the power supply supply of each parts of rotation speed of fan data collector.
Radio receiving transmitting module 1 is for the information interaction of rotation speed of fan data collector and master station.
As preferred embodiment of the present utility model, rotation speed of fan data collector also comprises shaping circuit, and the irregular pulse waveform that shaping circuit is used for rotating speed measuring sensor exports carries out shaping, the pulse waveform that the microcontroller 1 becoming rule can identify.
As shown in Figure 3, master station comprises display module, microcontroller 2 and radio receiving transmitting module 2.
The rotary speed data that the rotation speed of fan data collector that microcontroller 2 Treatment Analysis is received by radio receiving transmitting module 2 gathers, can send observing and controlling order to rotation speed of fan data collector simultaneously, control the work start and stop of rotation speed of fan data collector.
Display module is used for the mutual of the wireless velocity-measuring system of blower fan and user.
Radio receiving transmitting module 2 is for the information interaction of master station and rotation speed of fan data collector.
As shown in Figure 4, native system arranges one block of magnet steel in the flabellum edge of every typhoon power generator in use, rotating speed measuring sensor and magnet steel distance within the scope of 1cm, selecting of magnetic steel NdFeB material.(do not affect fan blade to rotate at the sticky one block of magnet steel of the nonmagnetic substance flabellum adjacent edges of blower fan, and firm pasting), rotating speed measuring sensor being fixed on flabellum rotates in circumferential edge 1cm again, flat thin magnet to stick on flabellum one and runs up, often turn around, the magnetic force line cutting of Hall element near magnet exports a pulse, step-by-step counting.
Claims (6)
1. the wireless velocity-measuring system of blower fan, is characterized in that, comprises multiple rotation speed of fan data collector and master station,
Described rotation speed of fan data collector comprises rotating speed measuring sensor, microcontroller 1, power module and radio receiving transmitting module 1,
Described rotating speed measuring sensor is used for the measurement of fan blade of wind driven generator rotating speed,
Described microcontroller 1 receives the rotary speed data of rotating speed measuring sensor and rotary speed data is sent to master station by radio receiving transmitting module 1,
Described power module is used for the power supply supply of each parts of rotation speed of fan data collector,
Described radio receiving transmitting module 1 is for the information interaction of rotation speed of fan data collector and master station;
Described master station comprises microcontroller 2, display module and radio receiving transmitting module 2,
The rotary speed data that the rotation speed of fan data collector that described microcontroller 2 Treatment Analysis is received by radio receiving transmitting module 2 gathers, can send observing and controlling order to rotation speed of fan data collector simultaneously, control the work start and stop of rotation speed of fan data collector,
Described display module is used for the mutual of the wireless velocity-measuring system of blower fan and user;
Described radio receiving transmitting module 2 is for the information interaction of master station and rotation speed of fan data collector.
2. the wireless velocity-measuring system of blower fan as claimed in claim 1, is characterized in that:
Described rotation speed of fan data collector also comprises shaping circuit, and the irregular pulse waveform that described shaping circuit is used for rotating speed measuring sensor exports carries out shaping, the pulse waveform that the microcontroller 1 becoming rule can identify.
3. the wireless velocity-measuring system of blower fan as claimed in claim 1, is characterized in that:
Described microcontroller 1 comprises counter and timer, and adopt timer interrupt mode when carrying out step-by-step counting, namely carry out step-by-step counting in the timer stipulated time, and utilize the counter values of microcontroller 1 to take multiple measurements, mean value is final rotary speed data.
4. the wireless velocity-measuring system of blower fan as claimed in claim 1, is characterized in that:
Described rotating speed measuring sensor selects non-contact switch type Hall element.
5. the wireless velocity-measuring system of blower fan as claimed in claim 1, is characterized in that:
Described system arranges one block of magnet steel in the flabellum edge of every typhoon power generator in use, and described rotating speed measuring sensor and magnet steel distance are within the scope of 1cm.
6. the wireless velocity-measuring system of blower fan as claimed in claim 5, is characterized in that described selecting of magnetic steel NdFeB material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520040031.XU CN204347054U (en) | 2015-01-20 | 2015-01-20 | Blower fan is wireless velocity-measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520040031.XU CN204347054U (en) | 2015-01-20 | 2015-01-20 | Blower fan is wireless velocity-measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204347054U true CN204347054U (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520040031.XU Expired - Fee Related CN204347054U (en) | 2015-01-20 | 2015-01-20 | Blower fan is wireless velocity-measuring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569477A (en) * | 2015-01-20 | 2015-04-29 | 盐城工学院 | Draught fan wireless velocity measurement system |
-
2015
- 2015-01-20 CN CN201520040031.XU patent/CN204347054U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569477A (en) * | 2015-01-20 | 2015-04-29 | 盐城工学院 | Draught fan wireless velocity measurement system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20170120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |