CN102889181A - Strong wind resistant small-sized wind driven generator - Google Patents

Strong wind resistant small-sized wind driven generator Download PDF

Info

Publication number
CN102889181A
CN102889181A CN2012103678845A CN201210367884A CN102889181A CN 102889181 A CN102889181 A CN 102889181A CN 2012103678845 A CN2012103678845 A CN 2012103678845A CN 201210367884 A CN201210367884 A CN 201210367884A CN 102889181 A CN102889181 A CN 102889181A
Authority
CN
China
Prior art keywords
electromagnetic brake
braking
generator
disc
brake
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.)
Granted
Application number
CN2012103678845A
Other languages
Chinese (zh)
Other versions
CN102889181B (en
Inventor
谢丹平
李珂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Zhongnanshan Technology Development Co.,Ltd.
Original Assignee
Zkenergy Science & Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zkenergy Science & Technology Co Ltd filed Critical Zkenergy Science & Technology Co Ltd
Priority to CN201210367884.5A priority Critical patent/CN102889181B/en
Publication of CN102889181A publication Critical patent/CN102889181A/en
Application granted granted Critical
Publication of CN102889181B publication Critical patent/CN102889181B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The invention provides a strong wind resistant small-sized wind driven generator; and the strong wind resistant small-sized wind driven generator comprises a power generator spindle, a blade, a shell, a power generator rotor and a power generator stator, wherein the blade is fixed on the power generator spindle; the shell is used for supporting the power generator spindle by a bearing; the shell comprises a stator shell as well as a front end cover and a back end cover; the front end cover is positioned at the front end of the stator shell; the back end cover is positioned at the back end of the stator shell; the power generator stator is positioned in the shell and fixed on the power generator spindle; corresponding to the power generator rotor, the power generator stator is fixed on the internal surface of the stator shell of the shell; the strong wind resistant small-sized wind driven generator is characterized by further comprising a controller and a mechanical electromagnetic brake, which are connected with each other; the mechanical electromagnetic brake is mounted on the power generator spindle; and the controller is used for controlling the mechanical electromagnetic brake to brake. The strong wind resistant small-sized wind driven generator provided by the invention cannot be forced to operate when being blown by strong wind, so that the safety of the small-sized wind driven generator is ensured.

Description

A kind of anti-high wind small-sized wind power generator
The application is application number: 201110023582.1, the applying date: on 01 21st, 2011, claimant: ZKEnergy Science ﹠ Technology Co., Ltd., denomination of invention: the dividing an application of a kind of anti-high wind small-sized wind power generator.
Technical field
The present invention relates to a kind of small-sized wind power generator, particularly a kind of anti-high wind small-sized wind power generator.
Background technique
Wind energy, has worldwide obtained using comparatively widely and developing rapidly because of characteristics such as it are easy to use, renewable, cost is low, pollution-free as the abundant natural resources of a kind of reserves, becomes the new growing point of energy demand, and development potentiality is huge.In recent years, the market of small-sized wind power generator was also developed very fastly, and application surface is also more and more wider.But along with global warming, extreme climate constantly occurs, and take China as example, the etesian frequency of sandstorm in the north is more and more higher, and intensity is also increasing; It is more and more higher that the probability of Super Typhoon appears more than 16 grades in south.All these realistic situations are all had higher requirement to the Security of small-sized wind power generator.At present, domestic and international small-sized wind power generator below five kilowatts all adopts the main modes of braking such as the driftage of mechanical type neck, generator short circuit (producing electromagnetic system power) and drain charge device basically, but the safety brake mode that all these are traditional all can't be resisted safely the such severse weather of similar Super Typhoon.
Summary of the invention
For solving the problems of the prior art, the invention provides a kind of anti-high wind small-sized wind power generator, it is equipped with the mechanical type electromagnetic brake at generator shaft, so that this small-sized wind power generator can not turn round under the blowing of high wind by force, thereby has guaranteed the safety of small-sized wind power generator.
Technological scheme:
A kind of anti-high wind small-sized wind power generator, comprise generator shaft, blade, housing, generator amature and generator unit stator, described blade is fixed on the generator shaft, described housing is by the bearings generator shaft, described housing comprises stator case and the rear end cover that is positioned at the front cover of stator case front end and is positioned at the stator case rear end, described generator amature is positioned at described housing and is fixed on the described generator shaft, described generator unit stator is fixed on corresponding to described generator amature on the internal surface of stator case of described housing, it is characterized in that, also include the controller and the mechanical type electromagnetic brake that are connected, described mechanical type electromagnetic brake is installed on the described generator shaft, and described controller is used for controlling described mechanical type electromagnetic brake braking.
Also comprise the rotation speed detection unit that links to each other with described controller, described controller comprises the data reception module that is connected, judge module and control module, described rotation speed detection unit is used for detecting in real time the rotating speed of generator shaft and the real-time rotate speed that detects being inputed to described data reception module, described data reception module inputs to described judge module after receiving described real-time rotate speed, described judge module compares the real-time rotate speed that receives and the rotating speed of the generator shaft under the described anti-high wind small-sized wind power generator cut-out wind speed, when when described real-time rotate speed is equal to or greater than the rotating speed of the generator shaft under the cut-out wind speed of described anti-high wind small-sized wind power generator, satisfying braking condition, described judge module inputs to described control module with braking instruction, and the described mechanical type electromagnetic brake of control was braked after described control module received described braking instruction.
Described judge module judges as the Comprehensive Control criterion that with the real-time output power of described generator and voltage and the real-time rotate speed that receives if when satisfying braking condition, described judge module inputs to described control module with braking instruction.
The quantity of described mechanical type electromagnetic brake is one or two, and is positioned at the rear end of front end and/or the described rear end cover of described front cover.
Described each mechanical type electromagnetic brake has included brake disc part and yoke part, and described brake disc partial fixing is on described generator shaft, and described yoke partial fixing is on described front cover or described rear end cover.
Described mechanical type electromagnetic brake is single-disc electromagnetic brake and/or multidisc electromagnetic brake.
Described mechanical type electromagnetic brake comprises single-disc electromagnetic brake or multidisc electromagnetic brake, and castellated electromagnetic brake; And,
Described single-disc electromagnetic brake or described multidisc electromagnetic brake are positioned at the rear end of front end or the described rear end cover of described front cover; Correspondingly, described castellated electromagnetic brake is positioned at the rear end of described rear end cover or the front end of described front cover.
The specified braking moment of described single-disc electromagnetic brake is greater than the corresponding maximum rotation moment of survival wind speed; The specified braking moment of described multidisc electromagnetic brake is greater than the corresponding maximum rotation moment of survival wind speed.
Described controller links to each other with described single-disc electromagnetic brake by a DC circuit switch or described controller links to each other with described multidisc electromagnetic brake by a DC circuit switch or described controller links to each other with described multidisc electromagnetic brake with described single-disc electromagnetic brake respectively by two DC circuit switches, and described controller is controlled described single-disc electromagnetic brake and/or described multidisc electromagnetic brake by the DC circuit switch.
Described controller links to each other with described single-disc electromagnetic brake or multidisc electromagnetic brake by the first DC circuit switch, described controller links to each other with described castellated electromagnetic brake by the second DC circuit switch, after the control module of controller receives described braking instruction, described control module IMU is crossed the first DC circuit switch and is controlled described single-disc electromagnetic brake or the braking of described multidisc electromagnetic brake, and described control module time-delay is controlled castellated electromagnetic brake braking by the second DC circuit switch.
When controlling the braking of castellated electromagnetic brake by the second DC circuit switch, described control module controls described single-disc electromagnetic brake by the first DC circuit switch or the multidisc electromagnetic brake stops braking.
Described controller links to each other with described single-disc electromagnetic brake or multidisc electromagnetic brake by the first DC circuit switch, and described controller links to each other with described castellated electromagnetic brake by the second DC circuit switch; When satisfying braking condition, described judge module inputs to described control module with the first braking instruction, described control module is controlled described single-disc electromagnetic brake or the braking of multidisc electromagnetic brake by the first DC circuit switch after receiving described the first braking instruction, subsequently, judge module compares the rotating speed of the generator shaft that real-time rotate speed and the described castellated electromagnetic brake of current generator shaft can be braked, if during the rotating speed of the generator shaft that current real-time rotate speed can be braked less than described castellated electromagnetic brake, the second braking instruction is inputed to described control module, and described control module is controlled described castellated electromagnetic brake braking by the second DC circuit switch after receiving described the second braking instruction.
When receiving behind described the second braking instruction and to control described castellated electromagnetic brake braking by the second DC circuit switch, described control module controls described single-disc electromagnetic brake by the first DC circuit switch or the multidisc electromagnetic brake stops braking.
Described castellated electromagnetic brake can substitute with electric mortiser formula electromagnetic brake, be provided with a groove on the excircle of the brake disc of the brake disc part of described electric mortiser formula electromagnetic brake, the yoke of described electric mortiser formula electromagnetic brake part is with the tongue that can match with described groove, in the time of in described tongue inserts described groove, described electric mortiser formula break is in braking state.
The brake disc of described electric mortiser formula electromagnetic brake has spiral excircle, and the height of the both sides of described groove is unequal.Technique effect:
The invention provides a kind of anti-high wind small-sized wind power generator, it is equipped with the mechanical type electromagnetic brake at generator shaft, also include the controller of control mechanical type electromagnetic brake braking, when being subject to high wind and blowing, the braking of controller control mechanical type electromagnetic brake, so that small-sized wind power generator can not turn round by force, thereby guaranteed the safety of small-sized wind power generator under the blowing of high wind.
Preferably, the present invention also includes the rotating speed that rotation speed detection unit is used for detecting in real time generator shaft, when when real-time rotate speed is equal to or greater than the rotating speed of the generator shaft under the cut-out wind speed of described anti-high wind small-sized wind power generator, satisfying braking condition, the braking of controller control mechanical type electromagnetic brake.
Further, judge whether that the control criterion that satisfies the condition of braking comprises that not only the real-time rotate speed of generator shaft also comprises real-time output power and the voltage of generator.
The brake disc of described mechanical type electromagnetic brake partly is installed on the generator shaft and with generator shaft and rotates, and the yoke that do not turn part then can be installed on the front cover of housing or on the rear end cover of housing.
Wherein, the mechanical type electromagnetic brake can adopt single-disc electromagnetic brake or multidisc electromagnetic brake.
When the mechanical type electromagnetic brake adopts castellated electromagnetic brake or electric mortiser formula electromagnetic brake, need to be combined with single-disc electromagnetic brake or multidisc electromagnetic brake.Its reason is, although the power consumption of castellated electromagnetic brake and electric mortiser formula electromagnetic brake is lower, is not suitable for the high-revolving axle of braking; At first use single-disc electromagnetic brake or multidisc electromagnetic brake to lower the rotating speed of generator shaft, re-use castellated electromagnetic brake or electric mortiser formula electromagnetic brake is braked generator shaft, not only reach the braking purpose but also reduced energy consumption.In addition, the holding power of electric mortiser formula electromagnetic brake (being working power) is less than castellated electromagnetic brake, generally only is one, two watt; And in case braking, its braking moment is much larger than single-disc electromagnetic brake and multidisc electromagnetic brake.
Preferably, the specified braking moment of single-disc electromagnetic brake and multidisc electromagnetic brake can be guaranteed the braking to generator shaft greater than the corresponding maximum rotation moment of survival wind speed.The survival wind speed of indication refers to the survival wind speed of territory of use of described anti-high wind small-sized wind power generator institute among the present invention, such as: the survival wind speed at the northern area of China is generally 36 meter per seconds, and the coastal area of southern china is the multiple district of typhoon, and its survival wind speed then is generally 50 meter per seconds.
Further, when satisfying braking condition, controller can send braking instruction by the DC circuit switch, makes the mechanical type electromagnetic brake that is installed on the generator shaft place braking state, thereby guarantees the safety of this anti-high wind small generator.
Description of drawings
The schematic representation of a kind of anti-high wind small-sized wind power generator of Fig. 1 the present invention;
The schematic representation of the another kind of anti-high wind small-sized wind power generator of Fig. 2 the present invention;
The A-A of the brake disc part of the electric mortiser formula electromagnetic brake among Fig. 3 Fig. 2 is to schematic representation;
The structured flowchart of Fig. 4 a kind of anti-high wind small-sized wind power generator of the present invention.
Each label example is as follows among the figure:
The anti-high wind small-sized wind power generator of 1-, 2-blade, 3-generator amature, the 4-generator unit stator, 5-housing, 51-front cover, the 52-rear end cover, 53-stator case, 6-bearing, 71-the first mechanical type electromagnetic brake, 72-the second mechanical type electromagnetic brake, 8-generator shaft, 9-electric mortiser formula electromagnetic brake, the brake disc of 91-electric mortiser formula electromagnetic brake, 92-jack, the yoke part of 93-electric mortiser formula electromagnetic brake, the 94-tongue.
Embodiment
In order to make purpose of the present invention, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Be illustrated in figure 1 as the schematic representation of a kind of anti-high wind small-sized wind power generator of the present invention.This anti-high wind small-sized wind power generator 1 includes blade 2, generator amature 3, generator unit stator 4, housing 5, generator shaft 8, the first mechanical type electromagnetic brake 71 and the second mechanical type electromagnetic brake 72, and its middle shell 5 includes front cover 51, rear end cover 52 and stator case 53.Its Leaf 2 be fixed on generator shaft 8 foremost, to drive generator shaft 8 rotations, housing 5 supports generator shaft 8 by pair of bearings 6, generator amature 3 is positioned at housing 5 and is fixed on the generator shaft 8 so that generator amature 3 can be with generator shaft 8 rotations, and generator unit stator 4 is fixed on corresponding to generator amature 3 on the internal surface of stator case 53 of housing 5.The first mechanical type electromagnetic brake 71 is installed on the generator shaft 8 and is fixed on the front cover 51, and the second mechanical type electromagnetic brake 72 also is installed on the generator shaft 8 and is fixed on the rear end cover 52.The present invention also comprises the controller (not shown) for the braking of control mechanical type electromagnetic brake, when satisfying braking condition, the braking of controller control mechanical type electromagnetic brake, so that small-sized wind power generator can not turn round by force, thereby guaranteed the safety of small-sized wind power generator under the blowing of high wind.
Preferably, as shown in Figure 4, this small-sized wind power generator also includes the rotation speed detection unit that links to each other with controller, and described controller comprises data reception module, judge module and the control module that is connected, and rotation speed detection unit wherein can be embedded in the controller.Rotation speed detection unit is for detection of the real-time rotate speed of generator shaft 8 and input to the data reception module of controller, data reception module inputs to judge module after receiving this real-time rotate speed, judge module with the real-time rotate speed that receives as control criterion, the rotating speed of the generator shaft under real-time rotate speed and the anti-high wind small-sized wind power generator cut-out wind speed is compared, when when this real-time rotate speed is equal to or greater than the rotating speed of the generator shaft under the cut-out wind speed of anti-high wind small-sized wind power generator, satisfying braking condition, judge module inputs to control module with braking instruction, control mechanical type electromagnetic brake was braked after control module received this braking instruction, effectively suppress the by force running of wind-driven generator under high wind, guaranteed the safety of this small-sized wind power generator; When this real-time rotate speed does not satisfy braking condition during less than the rotating speed of the generator shaft under the anti-high wind small-sized wind power generator cut-out wind speed, judge module continues the current real-time rotate speed that the data receiving module receives is judged, and this small-sized wind power generator normal power generation.
Preferably, judge module is judged the real-time output power of described generator and voltage and the real-time rotate speed that receives as the Comprehensive Control criterion, if when satisfying braking condition, described judge module inputs to described control module with braking instruction, and control mechanical type electromagnetic brake was braked after control module received this braking instruction.
Mechanical type electromagnetic brake among the present invention has included brake disc part and yoke part, brake disc partly is installed on the generator shaft 8 and with generator shaft 8 rotations, and the yoke that does not turn part then can be installed on the front cover 51 of housing or on the rear end cover 52 of housing.During braking, by the interaction between yoke part and the brake disc, so that brake disc partly stops the rotation and come brake power generating owner axle 8 with this.
Preferably, this the first mechanical type electromagnetic brake 71 links to each other with the controller (not shown) by the DC circuit switch respectively with the second mechanical type electromagnetic brake 72, after control module receives braking instruction, control module to mechanical type electromagnetic brake input dc power (being generally 24 volts), makes the first mechanical type electromagnetic brake 71 and the second mechanical type electromagnetic brake 72 place braking state by control DC circuit switch.
The first mechanical type electromagnetic brake 71 among the present invention can adopt single-disc electromagnetic brake or multidisc electromagnetic brake, and the second mechanical type electromagnetic brake 72 can adopt castellated electromagnetic brake or electric mortiser formula electromagnetic brake 9.The first mechanical type electromagnetic brake 71 and the second mechanical type electromagnetic brake 72 be combined with the advantage that can give full play to both.The first mechanical type electromagnetic brake 71 be applicable to the braking of relatively high-revolving axle but consume energy relatively large, the second mechanical type electromagnetic brake 72 be applicable to relatively slow-revving axle braking but the power consumption less.At this moment, controller links to each other with the first mechanical type electromagnetic brake 71 by the first DC circuit switch, controller links to each other with the second mechanical type electromagnetic brake 72 by the second DC circuit switch, after control module receives braking instruction, the control module IMU is crossed the first DC circuit switch to the first mechanical type electromagnetic brake 71 input dc powers (being generally 24 volts), the first mechanical type electromagnetic brake 71 at first is placed in braking state, control module time-delay control the second DC circuit switch is to the second mechanical type electromagnetic brake 72 input dc powers (being generally 24 volts), the during this period of time interior first mechanical type electromagnetic brake 71 of time-delay has made the rotating speed of generator shaft 8 reduce or made the rotating speed of generator shaft 8 is zero, at this moment, the second mechanical type electromagnetic brake 72 is placed in braking state again with brake power generating owner axle 8, and the while control module is controlled the cut-out of the first DC circuit switch makes the first mechanical type electromagnetic brake 71 be in non-braking state to the first mechanical type electromagnetic brake 71 input dc powers.After this, only use the second mechanical type electromagnetic brake 72 just can keep generator shaft 8 and be in braking state always, like this, both can brake relatively high-revolving generator shaft 8, again can energy efficient.Preferably, no matter take real-time rotate speed as independent control criterion or with real-time rotate speed, output power and voltage are the Comprehensive Control criterion in real time, when satisfying braking condition, judge module just the first braking instruction inputs to control module, control module is controlled 71 brakings of the first mechanical type electromagnetic brake by the first DC circuit switch after receiving the first braking instruction, after the first mechanical type electromagnetic brake 71 places braking state, the rotating speed of the generator shaft 8 that judge module can be braked current real-time rotate speed and the second mechanical type electromagnetic brake 72 again compares, if (comprise that certainly current real-time rotate speed is zero situation) during the rotating speed of the generator shaft that current real-time rotate speed can be braked less than the second mechanical type electromagnetic brake 72, judge module inputs to control module with the second braking instruction, control module is controlled 72 brakings of described the second mechanical type electromagnetic brake by the second DC circuit switch after receiving the second braking instruction, for energy efficient, control module is controlled the cut-out of the first DC circuit switch simultaneously makes the first mechanical type electromagnetic brake 71 be in non-braking state to the first mechanical type electromagnetic brake 71 input dc powers.After this, only use the second mechanical type electromagnetic brake 72 just can keep generator shaft 8 and be in braking state always.
As shown in Figure 2, it is the situation that the second mechanical type electromagnetic brake 72 adopts electric mortiser formula electromagnetic brake 9, electric mortiser formula electromagnetic brake 9 includes brake disc 91 and yoke part 93, being provided with a groove on the excircle of brake disc is jack 92, be provided with and jack 92 corresponding tongues 94 on the yoke part, when controller control braking, tongue 94 inserts in the jack 92.The holding power of electric mortiser formula electromagnetic brake 9 is lower than castellated electromagnetic brake, and its braking moment is larger than single-disc electromagnetic brake and multidisc electromagnetic brake, and is preferred.Preferably, the excircle of the brake disc of electric mortiser formula electromagnetic brake 9 is spirality, sees Fig. 3, so that the height of jack 92 both sides is unequal, inserts in the jack 92 with the brake disc excircle to make things convenient for tongue 94.
The holding power of electric mortiser formula electromagnetic brake (being working power) is less than castellated electromagnetic brake, generally only is one, two watt; And in case braking, its braking moment is much larger than single-disc electromagnetic brake and multidisc electromagnetic brake.
Certainly, the first mechanical type electromagnetic brake 71 also can adopt castellated electromagnetic brake or electric mortiser formula electromagnetic brake, and the second mechanical type electromagnetic brake 72 also can adopt single-disc electromagnetic brake or multidisc electromagnetic brake.
In addition, the first mechanical type electromagnetic brake 71 and the second mechanical type electromagnetic brake 72 also can all adopt single-disc electromagnetic brake or multidisc electromagnetic brake.At this moment, controller links to each other with the second mechanical type electromagnetic brake 72 with the first mechanical type electromagnetic brake 71 respectively by two DC circuit switches.After control module is received braking instruction, control module is by controlling the DC circuit switch to corresponding the first mechanical type electromagnetic brake 71 and the second mechanical type electromagnetic brake 72 input dc powers (being generally 24 volts), the first mechanical type electromagnetic brake 71 and the second mechanical type electromagnetic brake 72 are placed in braking state, when the rotating speed of generator shaft 8 drops to a certain degree or when being zero, control module is controlled a certain DC circuit switch cut-out makes a certain mechanical type electromagnetic brake be in non-braking state to the first mechanical type electromagnetic brake 71 or the second mechanical motor break 72 input dc powers, only use a mechanical type electromagnetic brake just can keep generator shaft 8 and be in braking state always, with energy efficient.
The specified braking moment of the monolithic electromagnetic brake in the present embodiment is greater than the corresponding maximum rotation moment of survival wind speed (such as the wind speed of 50 meter per seconds); The specified braking moment of multidisc electromagnetic brake is greater than the corresponding maximum rotation moment of survival wind speed (such as the wind speed of 50 meter per seconds); To guarantee effectively mechanical braking small-sized wind power generator of mechanical type electromagnetic brake.
In addition, the mechanical type electromagnetic brake choose and install the form of enumerating in the present embodiment that is not limited to, the independent use of all right the first mechanical type electromagnetic brake 71 and the second mechanical type electromagnetic brake 72, in this case, the first mechanical type electromagnetic brake 71 can adopt single-disc electromagnetic brake or multidisc electromagnetic brake, the second mechanical type electromagnetic brake 72 also can adopt single-disc electromagnetic brake or multidisc electromagnetic brake, to guarantee the effective brake to generator.Similarly, the first mechanical type electromagnetic brake 71 or the second mechanical type electromagnetic brake 72 also can link to each other with controller by the DC circuit switch, and its specified braking moment is greater than the corresponding maximum rotation moment of survival wind speed (such as the wind speed of 50 meter per seconds).
In addition, after small-sized wind power generator is in braking state, control module can regularly be decontroled braking according to predefined period of braking, after decontroling braking, if when satisfying braking condition, then controller places braking state with the mechanical type electromagnetic brake again, otherwise small-sized wind power generator normally moves.
The present invention has additional controller and mechanical type electromagnetic brake at existing small-sized wind power generator, when small-sized wind power generator is blown by high wind, small-sized wind power generator is taked mechanical braking, avoids damaging with the protection small-sized wind power generator.The operating cost of mechanical type electromagnetic brake lower (it is lower to consume energy): when small-sized wind power generator worked, when namely the mechanical type electromagnetic brake placed non-braking state, the mechanical type electromagnetic brake did not consume energy; When small-sized wind power generator was blown by high wind, when the mechanical type electromagnetic brake was placed in braking state, braking power consumption was also very little, and take the single-disc electromagnetic brake that can produce 40 Ns of metric system power as example, the rated energy consumption during its braking only is 25 watts.In addition, the cost of anti-high wind small-sized wind power generator of the present invention is low, and use suits large area to popularize.

Claims (8)

1. anti-high wind small-sized wind power generator, comprise generator shaft, blade, housing, generator amature and generator unit stator, described blade is fixed on the generator shaft, described housing is by the bearings generator shaft, described housing comprises stator case and the rear end cover that is positioned at the front cover of stator case front end and is positioned at the stator case rear end, described generator amature is positioned at described housing and is fixed on the described generator shaft, described generator unit stator is fixed on corresponding to described generator amature on the internal surface of stator case of described housing, it is characterized in that, also include the controller and the mechanical type electromagnetic brake that are connected, described mechanical type electromagnetic brake is installed on the described generator shaft, and described controller is used for controlling described mechanical type electromagnetic brake braking; Also comprise the rotation speed detection unit that links to each other with described controller, described controller comprises the data reception module that is connected, judge module and control module, described rotation speed detection unit is used for detecting in real time the rotating speed of generator shaft and the real-time rotate speed that detects being inputed to described data reception module, described data reception module inputs to described judge module after receiving described real-time rotate speed, described judge module compares the real-time rotate speed that receives and the rotating speed of the generator shaft under the described anti-high wind small-sized wind power generator cut-out wind speed, when when described real-time rotate speed is equal to or greater than the rotating speed of the generator shaft under the cut-out wind speed of described anti-high wind small-sized wind power generator, satisfying braking condition, described judge module inputs to described control module with braking instruction, and the described mechanical type electromagnetic brake of control was braked after described control module received described braking instruction; Described each mechanical type electromagnetic brake has included brake disc part and yoke part, and described brake disc partial fixing is on described generator shaft, and described yoke partial fixing is on described front cover or described rear end cover; Described mechanical type electromagnetic brake comprises single-disc electromagnetic brake or multidisc electromagnetic brake, and electric mortiser formula electromagnetic brake; And described single-disc electromagnetic brake or described multidisc electromagnetic brake are positioned at the rear end of front end or the described rear end cover of described front cover; Correspondingly, described electric mortiser formula electromagnetic brake is positioned at the rear end of described rear end cover or the front end of described front cover; Be provided with a groove on the excircle of the brake disc of the brake disc part of described electric mortiser formula electromagnetic brake, the yoke of described electric mortiser formula electromagnetic brake part is with the tongue that can match with described groove, in the time of in described tongue inserts described groove, described electric mortiser formula break is in braking state.
2. a kind of anti-high wind small-sized wind power generator according to claim 1 is characterized in that the brake disc of described electric mortiser formula electromagnetic brake has spiral excircle, and the height of the both sides of described groove is unequal.
3. a kind of anti-high wind small-sized wind power generator according to claim 1 and 2, it is characterized in that, described judge module is judged the real-time output power of described generator and voltage and the real-time rotate speed that receives as the Comprehensive Control criterion, if when satisfying braking condition, described judge module inputs to described control module with braking instruction.
4. one of according to claim 1-3 described a kind of anti-high wind small-sized wind power generator is characterized in that the specified braking moment of described single-disc electromagnetic brake is greater than the corresponding maximum rotation moment of survival wind speed; The specified braking moment of described multidisc electromagnetic brake is greater than the corresponding maximum rotation moment of survival wind speed.
5. described a kind of anti-high wind small-sized wind power generator one of according to claim 1-4, it is characterized in that, described controller links to each other with described single-disc electromagnetic brake or multidisc electromagnetic brake by the first DC circuit switch, described controller links to each other with described electric mortiser formula electromagnetic brake by the second DC circuit switch, after the control module of controller receives described braking instruction, described control module IMU is crossed the first DC circuit switch and is controlled described single-disc electromagnetic brake or the braking of described multidisc electromagnetic brake, and described control module time-delay is by the braking of the second DC circuit switch control electric mortiser formula electromagnetic brake.
6. a kind of anti-high wind small-sized wind power generator according to claim 5, it is characterized in that described control module controls described single-disc electromagnetic brake by the first DC circuit switch by the braking of the second DC circuit switch control electric mortiser formula electromagnetic brake the time or the multidisc electromagnetic brake stops braking.
7. described a kind of anti-high wind small-sized wind power generator one of according to claim 1-4, it is characterized in that, described controller links to each other with described single-disc electromagnetic brake or multidisc electromagnetic brake by the first DC circuit switch, and described controller links to each other with described electric mortiser formula electromagnetic brake by the second DC circuit switch; When satisfying braking condition, described judge module inputs to described control module with the first braking instruction, described control module is controlled described single-disc electromagnetic brake or the braking of multidisc electromagnetic brake by the first DC circuit switch after receiving described the first braking instruction, subsequently, judge module compares the rotating speed of the generator shaft that real-time rotate speed and the described electric mortiser formula electromagnetic brake of current generator shaft can be braked, if during the rotating speed of the generator shaft that current real-time rotate speed can be braked less than described electric mortiser formula electromagnetic brake, the second braking instruction is inputed to described control module, and described control module is controlled described electric mortiser formula electromagnetic brake braking by the second DC circuit switch after receiving described the second braking instruction.
8. a kind of anti-high wind small-sized wind power generator according to claim 7, it is characterized in that, control described single-disc electromagnetic brake by the first DC circuit switch when described control module receives behind described the second braking instruction and to control described electric mortiser formula electromagnetic brake braking by the second DC circuit switch or the multidisc electromagnetic brake stops braking.
CN201210367884.5A 2011-01-21 2011-01-21 Strong wind resistant small-sized wind driven generator Active CN102889181B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210367884.5A CN102889181B (en) 2011-01-21 2011-01-21 Strong wind resistant small-sized wind driven generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210367884.5A CN102889181B (en) 2011-01-21 2011-01-21 Strong wind resistant small-sized wind driven generator

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN2011100235821A Division CN102121456B (en) 2011-01-21 2011-01-21 Strong breeze resisting minitype wind driven generator

Publications (2)

Publication Number Publication Date
CN102889181A true CN102889181A (en) 2013-01-23
CN102889181B CN102889181B (en) 2014-07-30

Family

ID=47532816

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210367884.5A Active CN102889181B (en) 2011-01-21 2011-01-21 Strong wind resistant small-sized wind driven generator

Country Status (1)

Country Link
CN (1) CN102889181B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108612628A (en) * 2018-04-19 2018-10-02 安徽六和同心风能设备有限公司 A kind of domestic type wind power generation plant
CN109653111A (en) * 2018-10-15 2019-04-19 祝永亮 Decorative pearl on top of an official cap formula delay rotary electrification anti-dazzle shrouds
CN110966149A (en) * 2018-10-01 2020-04-07 西门子歌美飒可再生能源公司 Bearing arrangement for a wind turbine, wind turbine and method for manufacturing the same
CN113767048A (en) * 2019-04-16 2021-12-07 赛峰直升机发动机公司 Hybrid propulsion system and method for controlling such a system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201198815Y (en) * 2008-03-11 2009-02-25 扬州神州风力发电机有限公司 Brake device of wind power generator
CN101576058A (en) * 2008-12-18 2009-11-11 上海电气液压气动有限公司 Hydraulic control system of wind power generating device
EP2133560A1 (en) * 2008-06-11 2009-12-16 Flexenclosure AB Wind turbine and power supply system
CN102121456A (en) * 2011-01-21 2011-07-13 中科恒源科技股份有限公司 Strong breeze resisting minitype wind driven generator
CN201943896U (en) * 2011-01-21 2011-08-24 中科恒源科技股份有限公司 Strong wind resistance-type small-sized wind-driven generator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201198815Y (en) * 2008-03-11 2009-02-25 扬州神州风力发电机有限公司 Brake device of wind power generator
EP2133560A1 (en) * 2008-06-11 2009-12-16 Flexenclosure AB Wind turbine and power supply system
CN101576058A (en) * 2008-12-18 2009-11-11 上海电气液压气动有限公司 Hydraulic control system of wind power generating device
CN102121456A (en) * 2011-01-21 2011-07-13 中科恒源科技股份有限公司 Strong breeze resisting minitype wind driven generator
CN201943896U (en) * 2011-01-21 2011-08-24 中科恒源科技股份有限公司 Strong wind resistance-type small-sized wind-driven generator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108612628A (en) * 2018-04-19 2018-10-02 安徽六和同心风能设备有限公司 A kind of domestic type wind power generation plant
CN108612628B (en) * 2018-04-19 2019-10-15 安徽六和同心风能设备有限公司 A kind of domestic type wind power generation plant
CN110966149A (en) * 2018-10-01 2020-04-07 西门子歌美飒可再生能源公司 Bearing arrangement for a wind turbine, wind turbine and method for manufacturing the same
CN109653111A (en) * 2018-10-15 2019-04-19 祝永亮 Decorative pearl on top of an official cap formula delay rotary electrification anti-dazzle shrouds
CN113767048A (en) * 2019-04-16 2021-12-07 赛峰直升机发动机公司 Hybrid propulsion system and method for controlling such a system

Also Published As

Publication number Publication date
CN102889181B (en) 2014-07-30

Similar Documents

Publication Publication Date Title
EP1865198B1 (en) Emergency pitch drive power supply for a wind turbine
DK178161B1 (en) Methods and apparatus for delivering and / or absorbing reactive power
EP2703643B1 (en) Wind power generation system, device using wind power generation system, and method for operating same
CN102121456B (en) Strong breeze resisting minitype wind driven generator
CN102889181B (en) Strong wind resistant small-sized wind driven generator
CN105811861A (en) Domestic wind-energy and solar-energy combined power generation apparatus with function of actively tracking wind energy
CN201714584U (en) Novel magnetic suspending wind power generator
CN203412699U (en) Vertical axis wind power generation system working on double wind speed power curves
CN207229300U (en) High-power wind power generation system
CN102748228B (en) Magnetic suspension wind driven generator
CN203627089U (en) Electrically-driven starting system of force lifting type vertical-axis wind turbine generator set
CN201943896U (en) Strong wind resistance-type small-sized wind-driven generator
CN106930899B (en) The electric power system and method for supplying power to of a kind of yaw motor in wind turbine
CN201851268U (en) Universal wind turbine
US20200141381A1 (en) Ducted and balanced wind turbine
CN201260109Y (en) Multiple rotor combination type constant pressure DC electricity generation group
CN103883474B (en) Variable capacity small wind-driven generator and method thereof
CN206419164U (en) A kind of pivoted frame mechanism of wind-driven generator
CN205330883U (en) Multi -functional aerogenerator with adjustable direction
CN106440544A (en) Wind-driven air conditioner applicable to various wind speeds
CN204783472U (en) Wind power generation set of parallel axis and vertical axis combination
CN104775990A (en) Maglev wind power generation device
CN201412279Y (en) Breeze type wind-driven generator with vertical shaft horizontal rotary wings
CN209908661U (en) Permanent magnet direct-drive wind driven generator variable pitch system without energy storage equipment
CN201126993Y (en) Electric generating apparatus using rotary hub and wheel axis

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210618

Address after: Room 1301-02, northwest of Bayi Bridge, Furong Middle Road, wangluyuan street, Kaifu District, Changsha City, Hunan Province 410005

Patentee after: Hunan Zhongnanshan Technology Development Co.,Ltd.

Address before: 101511 room 508-28, Xitiangezhuang town government office building, No.8 Xitong Road, Miyun Economic Development Zone, Beijing

Patentee before: Beijing Huayuan Hongsheng Energy Technology Co.,Ltd.

Effective date of registration: 20210618

Address after: 101511 room 508-28, Xitiangezhuang town government office building, No.8 Xitong Road, Miyun Economic Development Zone, Beijing

Patentee after: Beijing Huayuan Hongsheng Energy Technology Co.,Ltd.

Address before: Room 508-7, Xitian Gezhuang Town Government Office Building, No. 8 Xitong Road, Miyun County Economic Development Zone, Beijing 101500

Patentee before: ZK ENERGY SCIENCE & TECHNOLOGY Co.,Ltd.