CN105626392A - Rotation speed monitoring system based on phytoelectric counting and used for wind driven generator - Google Patents
Rotation speed monitoring system based on phytoelectric counting and used for wind driven generator Download PDFInfo
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- CN105626392A CN105626392A CN201610130503.XA CN201610130503A CN105626392A CN 105626392 A CN105626392 A CN 105626392A CN 201610130503 A CN201610130503 A CN 201610130503A CN 105626392 A CN105626392 A CN 105626392A
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- resistance
- triode
- operational amplifier
- voltage stabilizing
- output terminal
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/304—Spool rotational speed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention relates to a rotation speed monitoring system based on phytoelectric counting and used for a wind driven generator. The rotation speed monitoring system comprises a rotary shaft and a plurality of blades. The rotary shaft is arranged on one side of a machine frame. The blades are uniformly distributed on the periphery of the rotary shaft in the axial direction. Rotation speed monitoring devices are arranged on the two sides of the blades and comprise a transmitting mechanism and a receiving mechanism. The transmitting mechanism and the receiving mechanism are located on the two sides of the blades. According to the rotation speed monitoring system adopting phytoelectric counting for the wind driven generator, the time when the receiving mechanism receives infrared rays is changed through rotation of the blades, so that the rotation speed is monitored in a real-time mode; meanwhile, data are transmitted in a wireless mode through a wireless communication module, the effect that an operator can conduct remote real-time monitoring on the rotation speed of the wind driven generator is guaranteed, and the intelligence degree of the system is improved; furthermore, conventional components and parts are adopted in a photoelectric detection circuit of the rotation speed monitoring device, the monitoring reliability is guaranteed, the production cost is reduced, and the practical value of the monitoring system is improved.
Description
Technical field
The present invention relates to the rotational speed monitor system of a kind of employing photoelectric counting for aerogenerator.
Background technology
In China, aerogenerator is all build the area enriched at wind resource, and wind energy, to the acting of wind leaf, drives generator generating. In wind leaf rotary course, it is necessary to rotating speed is carried out Real-Time Monitoring, thus regulate the correlation parameter of wind leaf, it is to increase the high-performance of wind-force generating. At present, the rotating speed measurement for aerogenerator is all measured by tachogenerator, but owing to electronic sensor is in working process, it is easy to it is subject to electromagnetic interference, thus have impact on the reliability of data gathering, reduce the reliability of monitoring.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome the deficiency of prior art monitoring capability poor reliability, it is provided that the rotational speed monitor system of the employing photoelectric counting for aerogenerator that a kind of rotation speed monitoring reliability is high.
The technical solution adopted for the present invention to solve the technical problems is: the rotational speed monitor system of a kind of employing photoelectric counting for aerogenerator, comprise rotating shaft, some wind leaves and fuselage, described rotating shaft is arranged on fuselage side, described blade shaft is to being evenly distributed on rotating shaft periphery, described wind leaf both sides are provided with rotation speed monitor, described rotation speed monitor comprises trigger mechanism and receiving mechanism, and described trigger mechanism and receiving mechanism are positioned at the both sides of wind leaf, and described receiving mechanism is arranged on fuselage;
Described rotation speed monitor is provided with cableless communication module and photoelectric counting module, described photoelectric counting module comprises photoelectric technology circuit, described photoelectric technology circuit comprises transformer, rectification bridge, voltage stabilizing triode, first operational amplifier, 2nd operational amplifier, first resistance, 2nd resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 8th resistance, 9th resistance, tenth resistance, 11 resistance, first electric capacity, 2nd electric capacity, photodiode, photosensitive triode, triode and optocoupler, the outgoing side of described transformer is connected with the input side of rectification bridge, one end ground connection of described rectification bridge outgoing side, the described the other end of rectification bridge outgoing side is connected with the input terminus of voltage stabilizing triode, the input terminus of described voltage stabilizing triode is by the first electric capacity ground connection, the ground terminal ground connection of described voltage stabilizing triode, the output terminal of described voltage stabilizing triode is by the 2nd electric capacity ground connection, the output terminal of described voltage stabilizing triode is by the series circuit ground connection of the first resistance and photodiode composition, the plus earth of described photodiode, the output terminal of described voltage stabilizing triode is connected with the collector electrode of photosensitive triode by the 2nd resistance, the grounded emitter of described photosensitive triode, the inverting input of described first operational amplifier is connected with the collector electrode of photosensitive triode, the inverting input of described first operational amplifier is connected with the output terminal of voltage stabilizing triode by the 5th resistance, the in-phase input end ground connection of described first operational amplifier, the output terminal of described first operational amplifier is connected with the inverting input of the 2nd operational amplifier, the inverting input of described 2nd operational amplifier is connected with the output terminal of voltage stabilizing triode by the 6th resistance, the in-phase input end of described 2nd operational amplifier is connected with the output terminal of voltage stabilizing triode by the series circuit of the 3rd resistance and the 4th resistance composition, the in-phase input end ground connection of described 2nd operational amplifier, described 2nd operational amplifier output terminal is connected with the 2nd end of optocoupler, the first end of described optocoupler is connected with the output terminal of voltage stabilizing triode by the 7th resistance, 4th end of described optocoupler is connected with the output terminal of voltage stabilizing triode by the 8th resistance, 3rd end of described optocoupler is by the 9th resistance ground connection, 3rd end of described optocoupler is connected with the base stage of triode by the tenth resistance, the grounded emitter of described triode, the collector electrode of described triode is connected with the output terminal of voltage stabilizing triode by the 11 resistance.
As preferably, the model of described first operational amplifier and the 2nd operational amplifier is LM393.
As preferably, described triode is NPN triode.
As preferably, the model of described optocoupler is 4N35.
As preferably, described trigger mechanism is infrared emitting head.
As preferably, described receiving mechanism comprises infrared rays receiving instrument.
The invention has the beneficial effects as follows, this rotational speed monitor system being used for the employing photoelectric counting of aerogenerator is rotated by wind leaf and changes the time that receiving mechanism receives infrared rays, thus rotating speed is carried out monitor in real time, simultaneously by cableless communication module to data transmission over radio, ensure that the rotating speed of aerogenerator is carried out remote real-time monitoring by staff, it is to increase the intellectuality of this system; Moreover, in rotation speed monitor in Photoelectric Detection circuit, have employed conventional components and parts, not only ensure that the reliability of monitoring, also reduce production cost simultaneously, it is to increase the practical value of Monitoring systems.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of the present invention for the rotational speed monitor system of the employing photoelectric counting of aerogenerator;
Fig. 2 is the schematic circuit diagram of the present invention for the photoelectric technology circuit of the rotational speed monitor system of the employing photoelectric counting of aerogenerator;
In figure: 1. trigger mechanism, 2. wind leaf, 3. rotating shaft, 4. receiving mechanism, 5. fuselage, T1. transformer, BR1. rectification bridge, U1. voltage stabilizing triode, U2. the first operational amplifier, U3. the 2nd operational amplifier, R1. the first resistance, R2. the 2nd resistance, R3. the 3rd resistance, R4. the 4th resistance, R5. the 5th resistance, R6. the 6th resistance, R7. the 7th resistance, R8. the 8th resistance, R9. the 9th resistance, R10. the tenth resistance, R11. the 11 resistance, C1. the first electric capacity, C2. the 2nd electric capacity, D1. photodiode, Q1. photosensitive triode, Q2. triode, N1. optocoupler.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation. These accompanying drawings are the schematic diagram of simplification, and the basic structure of the present invention is only described with illustration, and therefore it only shows the formation relevant with the present invention.
As depicted in figs. 1 and 2, the rotational speed monitor system of a kind of employing photoelectric counting for aerogenerator, comprise rotating shaft 3, some wind leaves 2 and fuselage 5, described rotating shaft 3 is arranged on fuselage 5 side, described wind leaf 2 is axially evenly distributed on rotating shaft 3 periphery, and described wind leaf 2 both sides are provided with rotation speed monitor, and described rotation speed monitor comprises trigger mechanism 1 and receiving mechanism 4, described trigger mechanism 1 and receiving mechanism 4 are positioned at the both sides of wind leaf 2, and described receiving mechanism 4 is arranged on fuselage 5;
Described rotation speed monitor is provided with cableless communication module and photoelectric counting module, described photoelectric counting module comprises photoelectric technology circuit, described photoelectric technology circuit comprises transformer T1, rectification bridge BR1, voltage stabilizing triode U1, first operational amplifier U2, 2nd operational amplifier U3, first resistance R1, 2nd resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, 7th resistance R7, 8th resistance R8, 9th resistance R9, tenth resistance R10, 11 resistance R11, first electric capacity C1, 2nd electric capacity C2, photodiode D1, photosensitive triode Q1, triode Q2 and optocoupler N1, the outgoing side of described transformer T1 is connected with the input side of rectification bridge BR1, one end ground connection of described rectification bridge BR1 outgoing side, the described the other end of rectification bridge BR1 outgoing side is connected with the input terminus of voltage stabilizing triode U1, the input terminus of described voltage stabilizing triode U1 is by the first electric capacity C1 ground connection, the ground terminal ground connection of described voltage stabilizing triode U1, the output terminal of described voltage stabilizing triode U1 is by the 2nd electric capacity C2 ground connection, the series circuit ground connection that the output terminal of described voltage stabilizing triode U1 consists of the first resistance R1 and photodiode D1, the plus earth of described photodiode D1, the output terminal of described voltage stabilizing triode U1 is connected with the collector electrode of photosensitive triode Q1 by the 2nd resistance R2, the grounded emitter of described photosensitive triode Q1, the inverting input of described first operational amplifier U2 is connected with the collector electrode of photosensitive triode Q1, the inverting input of described first operational amplifier U2 is connected with the output terminal of voltage stabilizing triode U1 by the 5th resistance R5, the in-phase input end ground connection of described first operational amplifier U2, the output terminal of described first operational amplifier U2 is connected with the inverting input of the 2nd operational amplifier U3, the inverting input of described 2nd operational amplifier U3 is connected with the output terminal of voltage stabilizing triode U1 by the 6th resistance R6, the series circuit that the in-phase input end of described 2nd operational amplifier U3 consists of the 3rd resistance R3 and the 4th resistance R4 is connected with the output terminal of voltage stabilizing triode U1, the in-phase input end ground connection of described 2nd operational amplifier U3, described 2nd operational amplifier U3 output terminal is connected with the 2nd end of optocoupler N1, the first end of described optocoupler N1 is connected with the output terminal of voltage stabilizing triode U1 by the 7th resistance R7, 4th end of described optocoupler N1 is connected with the output terminal of voltage stabilizing triode U1 by the 8th resistance R8, 3rd end of described optocoupler N1 is by the 9th resistance R9 ground connection, 3rd end of described optocoupler N1 is connected with the base stage of triode Q2 by the tenth resistance R10, the grounded emitter of described triode Q2, the collector electrode of described triode Q2 is connected with the output terminal of voltage stabilizing triode U1 by the 11 resistance R11.
As preferably, the model of described first operational amplifier U2 and the 2nd operational amplifier U3 is LM393.
As preferably, described triode Q2 is NPN triode.
As preferably, the model of described optocoupler N1 is 4N35.
As preferably, described trigger mechanism 1 is infrared emitting head.
As preferably, described receiving mechanism 4 comprises infrared rays receiving instrument.
This is used in the rotational speed monitor system of employing photoelectric counting of aerogenerator, trigger mechanism 1 sends stable infrared rays, receiving mechanism 4 then can receive infrared rays, when wind leaf 2 rotates, wind leaf 2 will constantly block the infrared rays that receiving mechanism 4 receiver/transmitter structure 1 sends, thus calculates, then by cableless communication module to data transmission over radio, ensure that the rotating speed of aerogenerator is carried out remote real-time monitoring by staff, it is to increase the intellectuality of this system.
In this rotation speed monitor, the principle of work of Photoelectric Detection circuit is: when photosensitive triode Q1 receives the Infrared that photodiode D1 penetrates, photosensitive triode Q1 conducting, the inverting input of the 2nd operational amplifier U3 is lower level, the output terminal of the 2nd operational amplifier U3 exports high level, it is added to the inverting input of the first operational amplifier U2, the output terminal of the first operational amplifier U2 is made to export lower level, then the luminotron in optocoupler N1 is lighted, corresponding photosensitive pipe conducting, triode Q2 also conducting, triode Q2 collector electrode exports lower level. When having object by between photodiode D1 and photosensitive triode Q1, infrared rays is blocked, photosensitive triode Q1 ends, the output terminal of the first operational amplifier U2 exports high level, optocoupler N1 ends, and triode Q2 ends, and triode Q2 collector electrode exports high level, therefore when there being object by photosensitive triode Q1, just on triode Q2 collector electrode, export counting pulse signal. Wherein, this circuit have employed conventional components and parts, not only ensure that the reliability of monitoring, also reduces production cost simultaneously, it is to increase the practical value of Monitoring systems.
Compared with prior art, this rotational speed monitor system being used for the employing photoelectric counting of aerogenerator is rotated by wind leaf 2 and changes the time that receiving mechanism 4 receives infrared rays, thus rotating speed is carried out monitor in real time, simultaneously by cableless communication module to data transmission over radio, ensure that the rotating speed of aerogenerator is carried out remote real-time monitoring by staff, it is to increase the intellectuality of this system; Moreover, in rotation speed monitor in Photoelectric Detection circuit, have employed conventional components and parts, not only ensure that the reliability of monitoring, also reduce production cost simultaneously, it is to increase the practical value of Monitoring systems.
Taking the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff in the scope not deviateing this invention technological thought, can carry out various change and amendment completely. The content that the technical scope of this invention is not limited on specification sheets, it is necessary to determine its technical scope according to right.
Claims (6)
1. the rotational speed monitor system for the employing photoelectric counting of aerogenerator, it is characterized in that, comprise rotating shaft (3), some wind leaves (2) and fuselage (5), described rotating shaft (3) is arranged on fuselage (5) side, described wind leaf (2) is axially evenly distributed on rotating shaft (3) periphery, described wind leaf (2) both sides are provided with rotation speed monitor, described rotation speed monitor comprises trigger mechanism (1) and receiving mechanism (4), described trigger mechanism (1) and receiving mechanism (4) are positioned at the both sides of wind leaf (2), described receiving mechanism (4) is arranged on fuselage (5),
Described rotation speed monitor is provided with cableless communication module and photoelectric counting module, described photoelectric counting module comprises photoelectric technology circuit, described photoelectric technology circuit comprises transformer (T1), rectification bridge (BR1), voltage stabilizing triode (U1), first operational amplifier (U2), 2nd operational amplifier (U3), first resistance (R1), 2nd resistance (R2), 3rd resistance (R3), 4th resistance (R4), 5th resistance (R5), 6th resistance (R6), 7th resistance (R7), 8th resistance (R8), 9th resistance (R9), tenth resistance (R10), 11 resistance (R11), first electric capacity (C1), 2nd electric capacity (C2), photodiode (D1), photosensitive triode (Q1), triode (Q2) and optocoupler (N1), the outgoing side of described transformer (T1) is connected with the input side of rectification bridge (BR1), one end ground connection of described rectification bridge (BR1) outgoing side, the described the other end of rectification bridge (BR1) outgoing side is connected with the input terminus of voltage stabilizing triode (U1), the input terminus of described voltage stabilizing triode (U1) is by the first electric capacity (C1) ground connection, the ground terminal ground connection of described voltage stabilizing triode (U1), the output terminal of described voltage stabilizing triode (U1) is by the 2nd electric capacity (C2) ground connection, the series circuit ground connection that the output terminal of described voltage stabilizing triode (U1) consists of the first resistance (R1) and photodiode (D1), the plus earth of described photodiode (D1), the output terminal of described voltage stabilizing triode (U1) is connected with the collector electrode of photosensitive triode (Q1) by the 2nd resistance (R2), the grounded emitter of described photosensitive triode (Q1), the inverting input of described first operational amplifier (U2) is connected with the collector electrode of photosensitive triode (Q1), the inverting input of described first operational amplifier (U2) is connected with the output terminal of voltage stabilizing triode (U1) by the 5th resistance (R5), the in-phase input end ground connection of described first operational amplifier (U2), the output terminal of described first operational amplifier (U2) is connected with the inverting input of the 2nd operational amplifier (U3), the inverting input of described 2nd operational amplifier (U3) is connected with the output terminal of voltage stabilizing triode (U1) by the 6th resistance (R6), the series circuit that the in-phase input end of described 2nd operational amplifier (U3) consists of the 3rd resistance (R3) and the 4th resistance (R4) is connected with the output terminal of voltage stabilizing triode (U1), the in-phase input end ground connection of described 2nd operational amplifier (U3), described 2nd operational amplifier (U3) output terminal is connected with the 2nd end of optocoupler (N1), the first end of described optocoupler (N1) is connected with the output terminal of voltage stabilizing triode (U1) by the 7th resistance (R7), 4th end of described optocoupler (N1) is connected with the output terminal of voltage stabilizing triode (U1) by the 8th resistance (R8), 3rd end of described optocoupler (N1) is by the 9th resistance (R9) ground connection, 3rd end of described optocoupler (N1) is connected with the base stage of triode (Q2) by the tenth resistance (R10), the grounded emitter of described triode (Q2), the collector electrode of described triode (Q2) is connected with the output terminal of voltage stabilizing triode (U1) by the 11 resistance (R11).
2. the rotational speed monitor system of the employing photoelectric counting for aerogenerator as claimed in claim 1, it is characterised in that, the model of described first operational amplifier (U2) and the 2nd operational amplifier (U3) is LM393.
3. the rotational speed monitor system of the employing photoelectric counting for aerogenerator as claimed in claim 1, it is characterised in that, described triode (Q2) is NPN triode.
4. the rotational speed monitor system of the employing photoelectric counting for aerogenerator as claimed in claim 1, it is characterised in that, the model of described optocoupler (N1) is 4N35.
5. the rotational speed monitor system of the employing photoelectric counting for aerogenerator as claimed in claim 1, it is characterised in that, described trigger mechanism (1) is infrared emitting head.
6. the rotational speed monitor system of the employing photoelectric counting for aerogenerator as claimed in claim 1, it is characterised in that, described receiving mechanism (4) comprises infrared rays receiving instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610130503.XA CN105626392A (en) | 2016-03-08 | 2016-03-08 | Rotation speed monitoring system based on phytoelectric counting and used for wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610130503.XA CN105626392A (en) | 2016-03-08 | 2016-03-08 | Rotation speed monitoring system based on phytoelectric counting and used for wind driven generator |
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| Publication Number | Publication Date |
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| CN105626392A true CN105626392A (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610130503.XA Pending CN105626392A (en) | 2016-03-08 | 2016-03-08 | Rotation speed monitoring system based on phytoelectric counting and used for wind driven generator |
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Cited By (2)
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| WO2017152366A1 (en) * | 2016-03-08 | 2017-09-14 | 马翼 | Speed monitoring system with photoelectric counting for wind power generator |
| CN108131258A (en) * | 2018-01-16 | 2018-06-08 | 孙加亮 | A kind of rotation speed monitor using photoelectric counting for wind-driven generator |
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Application publication date: 20160601 |