CN106194585A - A kind of vertical axis silicone oil retarding device and apply its wind-driven generator - Google Patents

A kind of vertical axis silicone oil retarding device and apply its wind-driven generator Download PDF

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Publication number
CN106194585A
CN106194585A CN201610786767.0A CN201610786767A CN106194585A CN 106194585 A CN106194585 A CN 106194585A CN 201610786767 A CN201610786767 A CN 201610786767A CN 106194585 A CN106194585 A CN 106194585A
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CN
China
Prior art keywords
silicone oil
piston
wind
impeller
vertical axis
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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
CN201610786767.0A
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Chinese (zh)
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CN106194585B (en
Inventor
王业林
储昭跃
孙增福
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Beijing Fromage Frais Oil Technology Co Ltd
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Beijing Fromage Frais Oil Technology Co Ltd
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Priority to CN201610786767.0A priority Critical patent/CN106194585B/en
Publication of CN106194585A publication Critical patent/CN106194585A/en
Application granted granted Critical
Publication of CN106194585B publication Critical patent/CN106194585B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors
    • F03D7/02Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0244Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D57/00Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders
    • F16D57/02Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders with blades or like members braked by the fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00Function
    • F05B2260/90Braking
    • F05B2260/904Braking using hydrodynamic forces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00Control
    • F05B2270/30Control parameters, e.g. input parameters
    • F05B2270/32Wind speeds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00Control
    • F05B2270/30Control parameters, e.g. input parameters
    • F05B2270/327Rotor or generator speeds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00Control
    • F05B2270/30Control parameters, e.g. input parameters
    • F05B2270/337Electrical grid status parameters, e.g. voltage, frequency or power demand
    • 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 discloses a kind of vertical axis silicone oil retarding device and apply its wind-driven generator, described retarding device includes a cylinder block, impeller and piston, having certain accommodation space in described cylinder block, described impeller and piston are arranged in this accommodation space;Described cylinder block has upper cover body and lower cover, and described impeller is rotatably connected with described upper cover body by rotary shaft;Described piston is by piston rod and described lower cover slidable connection;Between described piston and described upper cover body, there is silicone oil, along with the up and down motion of piston so that impeller contacts with silicone oil or separates.The vertical axis silicone oil retarding device of the present invention avoids mechanical wear and the wind energy waste that current mechanical braking produces, ensure that the stability of wind-driven generator rotating speed, improve the electric energy output efficiency of electromotor, The present invention reduces later stage of workman workload to wind turbine maintenance and repair.

Description

A kind of vertical axis silicone oil retarding device and apply its wind-driven generator
Technical field
The present invention relates to technical field of wind power generator, be specifically related to a kind of vertical axis silicone oil retarding device and apply it Wind-driven generator.
Background technology
Wind-driven generator is affected by wind speed size, causes generator speed different, vertical for fixing blade rotating angle Axis wind power generator, rotating speed and the wind speed of its wind wheel be directly proportional, and under conditions of blade rotating angle is certain, wind speed is the highest, wind wheel Rotating speed is the highest.In actual natural environment, wind speed is continually changing all the time, especially in strong convection climatic environment, and wind Speed can have greatly changed, and in the case of wind speed is relatively big, needs more powerful electromotor to mate with wind wheel so that vertical axis Wind-driven generator keeps rated operation under higher wind speed;If the rated wind speed of electromotor design is higher, electromotor exists The efficiency of low wind speeds just reduces, and the most above-mentioned design reduces the electromotor efficiency when low speed on the contrary.Additionally, at high wind speed Under state, for preventing device damage, the brake system that traditional wind is installed, brake can be started when wind speed height, allows wind Power generator stops operating, and makes wind-driven generator not generate electricity, and causes whole electricity generation system efficiency low, causes the wasting of resources.
Summary of the invention
It is an object of the invention to provide a kind of vertical axis silicone oil retarding device and apply its wind-driven generator, it solves The brake system manufacturing cost of the wind-driven generator of prior art is high, and the efficiency that can cause wind-driven generator during use is low, make The problem becoming the wasting of resources.
For achieving the above object, the present invention provides a kind of vertical axis silicone oil retarding device, and described retarding device includes a circle Cylindricality cylinder body, impeller and piston, have certain accommodation space in described cylinder block, described impeller and piston are arranged on In this accommodation space;
Described cylinder block has upper cover body and lower cover, and described impeller is rotatable with described upper cover body by rotary shaft Connect;
Described piston is by piston rod and described lower cover slidable connection;
Between described piston and described upper cover body, there is silicone oil, along with the up and down motion of piston so that impeller and silicone oil connect Touch or separate.
The volume of described silicone oil is piston when being positioned at lowest part, accommodation space volume between piston upper surface and upper cover body 80%.
Described retarding device also includes that servomotor, described servomotor are connected with described piston.
It is provided with oil sealing between described impeller axle and described upper cover body.
Described oil sealing is grease oil sealing, outside framework oil seal or rotary oil seal.
Described impeller axle is connected with described upper cover body by bearing.
The present invention also provides for a kind of wind-driven generator applying vertical axis silicone oil retarding device described above, described wind-force Electromotor includes electromotor vertical axis silicone oil retarding device, servomotor and control device, described impeller and described electromotor Rotor is rotationally connected, and described control device is connected with described electromotor, servomotor respectively.
Described wind-driven generator also includes anemobiagraph, and described anemobiagraph is connected with controlling device.
Described wind-driven generator also includes electric voltage frequency measuring instrument, described electric voltage frequency measuring instrument respectively with described generating Machine, described control device connect.
The vertical axis silicone oil retarding device of the present invention has the advantage that
The vertical axis silicone oil retarding device of the present invention avoids mechanical wear and the wind energy waste that current mechanical braking produces, Ensure that the stability of wind-driven generator rotating speed, improve the electric energy output efficiency of electromotor, after The present invention reduces workman The phase workload to wind turbine maintenance and repair, the performance of the wind-driven generator of the present invention is more reliable and more stable, from prolonged application and The angle of cost control is set out, and the wind-driven generator of the present invention greatly reduces installation and operating cost, improves energy Utilization rate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vertical axis silicone oil retarding device of the present invention.
Fig. 2 is the composition schematic diagram of the wind-driven generator of first embodiment of the invention.
Fig. 3 is the composition schematic diagram of the wind-driven generator of second embodiment of the invention.
Fig. 4 is the composition schematic diagram of the wind-driven generator of third embodiment of the invention.
Detailed description of the invention
Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
As it is shown in figure 1, the invention provides a kind of vertical axis silicone oil retarding device, it has a cylinder block 1, impeller 2 and piston, there is in this cylinder block 1 certain accommodation space, impeller 2, piston 4 are arranged in this accommodation space, cylinder Shape cylinder body 1 has upper cover body and lower cover, and impeller is rotatably connected with upper cover body by rotary shaft;Piston by piston rod with under Lid slidable connection;There is silicone oil 3, along with the up and down motion of piston 4 between piston 4 and upper cover body so that impeller 2 and silicone oil 3 contacts or separation.It is also preferred that the left the volume of silicone oil 3 is piston 4 when being positioned at lowest part, hold between piston 4 upper surface and upper cover body 60%-90% between being empty, it is also preferred that the left the volume of silicone oil 3 is accommodation space between piston 4 upper surface and upper cover body 80%, test proves, when silicone oil 3 accounts for this accommodation space 80%, when piston 4 moves up, can well control silicone oil 3 And the interaction between impeller 2, silicone oil 3 has optimal retarded acting, it is ensured that maintain the drag that impeller 2 is certain, very well Stable, the continuous service that keep wind-driven generator.
As in figure 2 it is shown, the vertical axis silicone oil retarding device of the present invention also includes servomotor 8, servomotor 8 and piston rod 41 connect, piston rod 41 under the driving of servomotor 8, drive piston 4 move up and down in cylinder block 1, when piston 4 to During upper motion, piston 4 can promote silicone oil 3 to move upward so that silicone oil 3 gradually contacts with impeller 2, and silicone oil 3 is in the stirring of impeller 2 Lower meeting expanded by heating, and produce bubble, produce great viscous drag, thus the rotation to impeller 2 forms resistance, to reduce leaf The velocity of rotation of wheel 2;When piston 4 moves downward, impeller 2 separates with silicone oil 3, impeller 2 effect fluent to electromotor 6.
Wherein, impeller axle 21 is connected with upper cover body by bearing, is provided with oil sealing 5, oil sealing 5 between impeller axle 21 and upper cover body For grease oil sealing, outside framework oil seal or rotary oil seal;Piston rod 41 is slidably connected with lower cover, piston rod 41 and lower cover it Between be provided with oil sealing 5, preferably prevent lubricating oil from spilling, keep remaining between piston rod 41 and lower cover lubrication, extend slow The service life of speed variator.
The composition schematic diagram of the wind-driven generator of first embodiment as shown in Figure 2, the vertical axis silicone oil of the present invention fills slowly The wind-driven generator put includes vertical axis silicone oil retarding device, electromotor 6, controls device 9 and generator voltage frequency measurement Instrument 103, impeller 2 is rotationally connected with the rotor of electromotor 6, control device 9 respectively with generator voltage frequency measuring instrument 103, send out Motor 6, servomotor 8 control to connect, and generator voltage frequency measuring instrument 103 is connected with electromotor 6.The rotary shaft 21 of impeller 2 It is connected with generator shaft rotor by gear clutch, impeller 2 and generator amature synchronous rotary.Generator voltage frequency is measured Size and the electric voltage frequency height of electromotor 6 voltage measured by instrument 103, if the voltage of electromotor 6 and electric voltage frequency are constant, controls Device 9 does not send control signal, and now piston 4 is in low level, and the impeller 2 in cylinder body 1 separates with silicone oil 3, and impeller 2 does not affect to be sent out The rotating speed of motor 6, electromotor 6 is properly functioning;When high wind speed, owing to electromotor 6 running speed is accelerated, generating electromechanics The pressure voltage that records of frequency measuring instrument 103 raises, and the electric voltage frequency of electromotor 6 increases, control device 9 according to the voltage recorded with And electric voltage frequency raises signal, sending control signal, control servomotor 8 and start, servomotor 8 drives piston rod 41, piston 4 Moving upward, by the silicone oil 3 in cylinder body 1 upwardly so that silicone oil 3 contacts with impeller 2, impeller 2 stirs silicone oil 3, and silicone oil 3 exists Expanded by heating under the stirring of impeller 2, and produce great viscous drag, pass to generator amature by impeller axle 21, thus Generator speed is reduced, reaches to slow down and the purpose of speed stabilizing, maintain electromotor 6 to run under constant power, keep sending out The stable operation of motor 6.The voltage of electromotor 6 output is the highest, and piston is under the driving of servomotor, and piston 4 moves up Distance is the biggest, and the amount that silicone oil 3 is agitated is the biggest, silicone oil expanded by heating, produces viscous drag the biggest, and the moment of torsion of generation is the biggest, Slow effect is the most obvious.
As disposable embodiment, the composition schematic diagram of the wind-driven generator of the second embodiment as shown in Figure 3, this The wind-driven generator of bright vertical axis silicone oil retarding device includes electromotor 6, controls device 9 and anemobiagraph 101, impeller 2 with The rotor of electromotor 6 is rotationally connected, and controls device 9 and controls to be connected with anemobiagraph 101, electromotor 6, servomotor 8 respectively.Impeller The rotary shaft of 2 is connected with generator shaft rotor by gear clutch, impeller 2 and generator amature synchronous rotary.Work as wind speed During less than or equal to rated speed, anemobiagraph 101 records wind speed size, controls device 9 and judges wind speed size, does not send control letter Number, now piston 4 is in low level, and the impeller 2 in cylinder body 1 separates with silicone oil 3, and impeller 2 does not affect the rotating speed of electromotor 6, generating Machine 6 is properly functioning;When high wind speed, anemobiagraph 101 records wind speed size, and wind speed high low signal is passed by anemobiagraph 101 It is defeated by control device 9, controls device 9 and judge according to this wind velocity signal, when wind speed speed exceedes predetermined value, control device 9 and send Control signal, control servomotor 8 start, servomotor 8 drives piston rod 41, on piston 4 move, by the silicone oil 3 in cylinder body 1 to Upper promotion so that silicone oil 3 contacts with impeller 2, impeller 2 stirs silicone oil 3, and silicone oil 3 is expanded by heating under the stirring of impeller 2, and produces Raw great viscous drag, passes to generator amature by impeller 2 axle, so that electromotor 6 rotating speed reduces, reaches to slow down With the purpose of speed stabilizing, maintain electromotor 6 to run under constant power, keep the stable operation of electromotor 6.Wind speed is the biggest, lives Plug 4 is under the driving of servomotor, and the distance that piston 4 moves up is the biggest, and the amount that silicone oil 3 is agitated is the biggest, and silicone oil 3 is heated Expanding, produce viscous drag the biggest, the moment of torsion of generation is the biggest, and slow effect is the most obvious.Therefore, it can the row by controlling piston Journey reaches to slow down and slow purpose.When wind speed reduces, servomotor drives piston to move down, and silicone oil contacts with impeller Face reduces, and the resistance of impeller is diminished by silicone oil, reaches to maintain the purpose of electromotor constant operation power.The silicone oil of the present invention is slow Device relies on viscous silicone fluid during expanded by heating under the stirring of impeller, the very big viscous drag of generation, reaches to slow down and speed stabilizing Purpose, the simple in construction of this retarding device, easy to use, low cost of manufacture, service life are long.
As enforceable variation pattern, the wind-driven generator composition schematic diagram of the 3rd embodiment, the present invention as shown in Figure 4 The wind-driven generator anemobiagraph of vertical axis silicone oil retarding device can be substituted by generator speed measuring instrument 102, electromotor turns Speed measuring instrument 102 is connected with controlling device 9, controls device 9 and measures the rotating speed of electromotor 6 according to generator speed measuring instrument 102, Sending signal, control servomotor is to piston action, when i.e. electromotor 6 rotating speed exceedes rated speed, controls the work of servomotor 8 Making, servomotor 8 promotes piston 4 to rise so that impeller 2 is played retardation by silicone oil 3, when electromotor 6 rotating speed is not more than volume When determining rotating speed, servomotor 8 drives piston 4 to move down so that silicone oil 3 separates with impeller 2, and silicone oil 3 does not play retardation.The present invention Select silicone oil as brake drag so that brake process is gentleer, and capacity usage ratio is higher, and this vertical axis silicone oil fills slowly Put use more longlasting.
The vertical axis silicone oil retarding device of the present invention avoids mechanical wear and the wind energy waste that current mechanical braking produces, Both ensure that the stability of wind-driven generator rotating speed, improve again the electric energy output efficiency of electromotor, and the silicone oil of the present invention After retarding device and servomotor install, later stage operation maintenance workload is the least, does not have what brake part was changed and keeped in repair Problem, decreases later stage of workman workload to wind turbine maintenance and repair, and the performance of wind-driven generator is more reliable and more stable, From prolonged application and the angle of cost control, the wind-driven generator of the present invention, installation can be greatly reduced and run into This, increase the stability that wind-driven generator runs, improve the utilization rate of energy.
Although, the present invention is described in detail to have used general explanation and specific embodiment, but at this On the basis of invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, These modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the scope of protection of present invention.

Claims (9)

1. a vertical axis silicone oil retarding device, it is characterised in that described retarding device include a cylinder block, impeller and Piston, has certain accommodation space in described cylinder block, described impeller and piston are arranged in this accommodation space;
Described cylinder block has upper cover body and lower cover, and described impeller is rotatably connected with described upper cover body by rotary shaft Connect;
Described piston is by piston rod and described lower cover slidable connection;
Between described piston and described upper cover body, there is silicone oil, along with the up and down motion of piston so that impeller contact with silicone oil or Separate.
Vertical axis silicone oil retarding device the most according to claim 1, it is characterised in that
The volume of described silicone oil is piston when being positioned at lowest part, accommodation space volume between piston upper surface and upper cover body 80%.
Vertical axis silicone oil retarding device the most according to claim 1, it is characterised in that described retarding device also includes servo Motor, described servomotor is connected with described piston.
Vertical axis silicone oil retarding device the most according to claim 1, it is characterised in that
It is provided with oil sealing between described impeller axle and described upper cover body.
Vertical axis silicone oil retarding device the most according to claim 4, it is characterised in that
Described oil sealing is grease oil sealing, outside framework oil seal or rotary oil seal.
Vertical axis silicone oil retarding device the most according to claim 1, it is characterised in that
Described impeller axle is connected with described upper cover body by bearing.
7. apply a wind-driven generator for vertical axis silicone oil retarding device according to any one of claim 1 to 6, its feature Being, described wind-driven generator includes electromotor vertical axis silicone oil retarding device, servomotor and control device, described impeller with The rotor of described electromotor is rotationally connected, and described control device is connected with described electromotor, servomotor respectively.
Wind-driven generator the most according to claim 7, it is characterised in that described wind-driven generator also includes anemobiagraph, institute State anemobiagraph and be connected with controlling device.
Wind-driven generator the most according to claim 7, it is characterised in that described wind-driven generator also includes that electric voltage frequency is surveyed Amount instrument, described electric voltage frequency measuring instrument is connected with described electromotor, described control device respectively.
CN201610786767.0A 2016-08-30 2016-08-30 A kind of vertical axis silicone oil retarding device and the wind-driven generator using it Active CN106194585B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109578205A (en) * 2018-11-27 2019-04-05 山东科技大学 A kind of intelligent Quick brake system of wind energy conversion system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6497096B1 (en) * 1998-09-23 2002-12-24 Joo Jin-Yong Automatic transmission for automobiles
CN102042179A (en) * 2010-12-22 2011-05-04 国际昌 Blade-collapsible, oil resistance-regulated and controlled vertical-spindle wind-driven generating device
CN204113969U (en) * 2014-09-30 2015-01-21 苏州雷姆斯汽车工程有限公司 Two-chamber three turbo type hydrodynamic retarder
CN206035719U (en) * 2016-08-30 2017-03-22 北京福威斯油气技术有限公司 Vertical axis silicon oil retarder and use its aerogenerator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6497096B1 (en) * 1998-09-23 2002-12-24 Joo Jin-Yong Automatic transmission for automobiles
CN102042179A (en) * 2010-12-22 2011-05-04 国际昌 Blade-collapsible, oil resistance-regulated and controlled vertical-spindle wind-driven generating device
CN204113969U (en) * 2014-09-30 2015-01-21 苏州雷姆斯汽车工程有限公司 Two-chamber three turbo type hydrodynamic retarder
CN206035719U (en) * 2016-08-30 2017-03-22 北京福威斯油气技术有限公司 Vertical axis silicon oil retarder and use its aerogenerator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109578205A (en) * 2018-11-27 2019-04-05 山东科技大学 A kind of intelligent Quick brake system of wind energy conversion system

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