CN103352806B - Wheel hub cooling control method and device thereof - Google Patents
Wheel hub cooling control method and device thereof Download PDFInfo
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- CN103352806B CN103352806B CN201310241874.1A CN201310241874A CN103352806B CN 103352806 B CN103352806 B CN 103352806B CN 201310241874 A CN201310241874 A CN 201310241874A CN 103352806 B CN103352806 B CN 103352806B
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- temperature
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- wheel hub
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- 238000001816 cooling Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 230000005855 radiation Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
Classifications
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- 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
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
A kind of wheel hub cooling unit and controlling method thereof, belong to technical field of wind power generation.By being placed in the current temperature value t of temperature sensor measurement in wheel hub, being delivered to by temperature control panel and becoming oar controller, the control system of wind power generating set by with the connection becoming oar controller, read current temperature value t; Compared with desired temperature T-phase by the current temperature value t read, as t >=T, export Q1, Q2, wherein Q1 controlled cooling model fan instruction, Q2 controls electronic wind check-valve instruction; As t < T, temperature control panel does not output signal Q1 and Q2, EOP end of program.The present invention controls the open and close of electronic wind check-valve by becoming oar controller, achieve UNICOM and the shutoff in space in wheel hub space and blade, increases the space of pitch-controlled system heat radiation, good heat dissipation effect.
Description
Technical field
The invention belongs to wind-powered electricity generation industry technology field, specifically relate to a kind of wheel hub cooling control method and device thereof.
Background technique
Wheel hub is the hinge of wind wheel, is also the link of root of blade and main shaft.All power transmitted from blade, is all delivered to transmission system by wheel hub, then passes to the object of wind energy conversion system driving.Wheel hub is also that variable blade control system makes blade do the place of pitch rotation simultaneously.
The pitch-controlled system of current wind power generating set is mainly arranged in wheel hub, and the type of cooling adopts air-cooled pattern mostly.But in view of the space of wheel hub is less, air flow property is poor, is unfavorable for the heat radiation of pitch-controlled system, have impact on the performance of pitch-controlled system.Further, wind turbine control system only has the on-off model of wheel hub temperature alarming, cannot detect the actual temperature value in wheel hub, if pitch-controlled system temperature is too high, also can cause the shutdown of air-cooled generator group, cause the economic loss of wind energy turbine set.
Summary of the invention
For the technical problem of above-mentioned existence, the invention provides a kind of wheel hub cooling control method and device thereof.It can detect the temperature value in wheel hub by temperature control panel, by the open and close of electronic wind check-valve, achieve UNICOM and the shutoff in space in wheel hub space and blade, increases the space of pitch-controlled system heat radiation.
The technical solution used in the present invention is:
A controlling method for wheel hub cooling unit, comprises the steps:
The first step: by being placed in the current temperature value t of temperature sensor measurement in wheel hub, being delivered to by temperature control panel and becoming oar controller, the control system of wind power generating set by with the connection becoming oar controller, read current temperature value t;
Second step: compared with desired temperature T-phase by the current temperature value t read, as t >=T, export Q1, Q2, wherein Q1 controlled cooling model fan instruction, Q2 controls electronic wind check-valve instruction; That is: controlled the open and close of electronic wind check-valve by temperature control panel, realize UNICOM and the shutoff in space in wheel hub space and blade;
3rd step: as t < T, temperature control panel does not output signal Q1 and Q2, EOP end of program.
Further, each blade described and wheel hub joint are with a cooling fan, each fan connects an electronic wind check-valve, become oar controller, temperature control panel and temperature transducer and be all at least one, when being one, become oar controller to be connected with three cooling fans and electronic wind check-valve respectively, the temperature control panel connected by a change oar controller controls the open and close of three cooling fans and motorized non-return valve.
Or, each blade described is all with change oar controller, temperature control panel and a temperature transducer, temperature transducer is placed in three blades and wheel hub joint respectively, by temperature value t1, t2, t3 of three blade place temperature transducers of reading, compare with desired temperature T-phase, as arbitrary t1/t2/t3 >=T, export Q11/Q12/Q13, Q21/Q22/Q23, wherein Q11/Q12/Q13 is control three cooling fan instructions, and Q21/Q22/Q23 is the electronic wind check-valve instruction of control three; Each blade controls the open and close of corresponding motorized non-return valve respectively by the temperature control panel becoming the connection of oar controller; When t1, t2, t3 are less than T, temperature control panel does not output signal Q11/Q12/Q13 and Q21/Q22/Q23, EOP end of program.
Adopt the wheel hub cooling unit of controlling method of the present invention, comprise at least one and become oar controller, temperature control panel, temperature transducer and three groups of cooling fans and fan mounting plate, described temperature control panel has temperature acquisition port and output control terminal mouth, be connected with change oar controller, temperature transducer is placed in wheel hub, and is connected with temperature control panel; Cooling fan, with electronic wind check-valve, is arranged on each blade and wheel hub joint respectively by its fan mounting plate, and cooling fan and electronic wind check-valve connect temperature control panel respectively.
Or described change oar controller, temperature control panel, temperature transducer are three, temperature control panel respectively with often organize blade cooling fan and electronic wind check-valve is connected.
Or described change oar controller and temperature control panel are one, temperature transducer is three, temperature control panel respectively with often organize blade cooling fan and electronic wind check-valve is connected.
Beneficial effect of the present invention:
1. the present invention can detect the temperature value in wheel hub by temperature control panel, and the temperature value collected can be passed to the control system of wind power generating set, control the open and close of electronic wind check-valve, achieve UNICOM and the shutoff in space in wheel hub space and blade, increase the space of pitch-controlled system heat radiation, good heat dissipation effect.
2. the cooling fan of the present invention by arranging, strengthens the air flowing with space in blade in wheel hub, is conducive to the heat radiation of pitch-controlled system.
3. present invention achieves wind turbine control system by becoming the temperature value in oar controller reading wheel hub, its design cost is low, be applicable to the structure that a change oar controller controls three blades, be more suitable for the structure that three change oar controllers control three blades respectively.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
Fig. 2 is control flow chart of the present invention.
Fig. 3 is the circuit theory diagrams of temperature control panel in the embodiment of the present invention 1.
Fig. 4 is the circuit theory diagrams of temperature control panel in the embodiment of the present invention 2.
Fig. 5 is wheel hub cooling unit structural representation of the present invention.
In figure: 1. fan mounting plate, 2. electronic wind check-valve, 3. cooling fan, 4. construction bolt, 5. wheel hub, 6. temperature transducer, M1 is cooling fan, and M2 is electronic wind check-valve, and A1, A2 are the coil of contactor, K1, K2 is the contact of contactor, coil electricity, and K1, K2 are closed.
embodiment:
Describe the present invention below in conjunction with drawings and Examples:
Embodiment 1: as shown in Figure 1, and change oar controller, temperature control panel and temperature transducer in this example all adopt one, and cooling fan assembly is three groups, and the controlling method of its wheel hub cooling unit as shown in Figure 2, comprises the steps:
The first step: by being placed in the current temperature value t of temperature sensor measurement in wheel hub, be delivered to by temperature control panel (CCWE-MDS-TEM.CON) and become oar controller, the control system of wind power generating set, by the connection with change oar controller, reads current temperature value t; Wherein the control system of wind power generating set and variable blade control system are existing structure;
Second step: compared with desired temperature T-phase by the current temperature value t read, as t >=T, export Q1, Q2, wherein Q1 is controlled cooling model fan 3 instruction, and Q2 is for controlling motorized non-return valve 2 instruction; That is: controlled the open and close of motorized non-return valve 2 by temperature control panel, realize UNICOM and the shutoff in space in wheel hub space and blade;
3rd step: as t < T, temperature control panel does not output signal Q1 and Q2, EOP end of program.
As shown in Figure 4, for wheel hub cooling unit of the present invention, comprise one group and become oar controller, temperature control panel, temperature transducer and three groups of cooling fans 3 and fan mounting plate 1, described temperature control panel has temperature acquisition port and output control terminal mouth, be connected with change oar controller, temperature transducer is placed in wheel hub, and is connected with temperature control panel; Described cooling fan 3, with motorized non-return valve 2, is arranged in blade wheel hub by its fan mounting plate 1, connects temperature control panel by motorized non-return valve 2, can realize the space isolation of blade and wheel hub.
The present invention, by the open and close of motorized non-return valve 2, can realize UNICOM and the shutoff in space in wheel hub space and blade; By cooling fan 3, strengthen the air flowing with space in blade in wheel hub, be conducive to the heat radiation of pitch-controlled system; Temperature control panel can pass to the temperature value collected the control system of wind power generating set.
Embodiment 2: for better controlling its cooling effect, this example is as different from Example 1: this example each blade described is all with a change oar controller, temperature control panel and temperature transducer, temperature transducer is placed in three blades and wheel hub joint respectively, by the temperature value t1 of three blade place temperature transducers of reading, t2, t3, compare with desired temperature T-phase, as arbitrary t1/t2/t3 >=T, export Q11/Q12/Q13, Q21/Q22/Q23, wherein Q11/Q12/Q13 is control three cooling fan instructions, Q21/Q22/Q23 is the electronic wind check-valve instruction of control three, each blade controls the open and close of corresponding motorized non-return valve respectively by the temperature control panel becoming the connection of oar controller, when t1, t2, t3 are less than T, temperature control panel does not output signal Q11/Q12/Q13 and Q21/Q22/Q23, EOP end of program.The temperature signal that this routine structure gathers is more accurate, can control the temperature in wheel hub in real time, cool in time, reduce because wheel hub temperature is too high, cause the machine halt trouble of air-cooled generator group.
Embodiment 3: this example as different from Example 2: this example adopt a change oar controller, three temperature transducers, be separately positioned on wheel hub and blade joint, adopt a temperature control panel, three cooling fans and three electronic wind check-valves, three temperature transducers are connected respectively with temperature control panel.This example can better show and control temperature equally.
Claims (2)
1. a controlling method for wheel hub cooling unit, is characterized in that: comprise the steps:
The first step: by being placed in the current temperature value t of temperature sensor measurement in wheel hub, being delivered to by temperature control panel and becoming oar controller, the control system of wind power generating set by with the connection becoming oar controller, read current temperature value t;
Second step: compared with desired temperature T-phase by the current temperature value t read, as t >=T, export Q1, Q2, wherein Q1 controlled cooling model fan instruction, Q2 controls electronic wind check-valve instruction; That is: controlled the open and close of electronic wind check-valve by temperature control panel, realize UNICOM and the shutoff in space in wheel hub space and blade;
3rd step: as t < T, temperature control panel does not output signal Q1 and Q2, EOP end of program; Each blade described and wheel hub joint are with a cooling fan, each fan connects an electronic wind check-valve, become oar controller, temperature control panel and temperature transducer and be all at least one, when being one, become oar controller to be connected with three cooling fans and electronic wind check-valve respectively, the temperature control panel connected by a change oar controller controls the open and close of three cooling fans and motorized non-return valve; When being three, each blade described is all with change oar controller, temperature control panel and a temperature transducer, temperature transducer is placed in three blades and wheel hub joint respectively, by temperature value t1, t2, t3 of three blade place temperature transducers of reading, compare with desired temperature T-phase, as arbitrary t1/t2/t3 >=T, export Q11/Q12/Q13, Q21/Q22/Q23, wherein Q11/Q12/Q13 is control three cooling fan instructions, and Q21/Q22/Q23 is the electronic wind check-valve instruction of control three; Each blade controls the open and close of corresponding motorized non-return valve respectively by the temperature control panel becoming the connection of oar controller; When t1, t2, t3 are less than T, temperature control panel does not output signal Q11/Q12/Q13 and Q21/Q22/Q23, EOP end of program.
2. adopt the wheel hub cooling unit of controlling method as claimed in claim 1, it is characterized in that: comprise at least one and become oar controller, temperature control panel, temperature transducer and three groups of cooling fans and fan mounting plate, described temperature control panel has temperature acquisition port and output control terminal mouth, be connected with change oar controller, temperature transducer is placed in wheel hub, and is connected with temperature control panel; Cooling fan, with electronic wind check-valve, is arranged on each blade and wheel hub joint respectively by its fan mounting plate, and cooling fan and electronic wind check-valve connect temperature control panel respectively; When described change oar controller, temperature control panel, temperature transducer are three, temperature control panel respectively with often organize blade cooling fan and electronic wind check-valve is connected; When described change oar controller and temperature control panel are one, temperature transducer is three, temperature control panel respectively with often organize blade cooling fan and electronic wind check-valve is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310241874.1A CN103352806B (en) | 2013-06-17 | 2013-06-17 | Wheel hub cooling control method and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310241874.1A CN103352806B (en) | 2013-06-17 | 2013-06-17 | Wheel hub cooling control method and device thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN103352806A CN103352806A (en) | 2013-10-16 |
| CN103352806B true CN103352806B (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310241874.1A Expired - Fee Related CN103352806B (en) | 2013-06-17 | 2013-06-17 | Wheel hub cooling control method and device thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104656512A (en) * | 2015-01-14 | 2015-05-27 | 风脉（武汉）可再生能源技术有限责任公司 | Fan hub environmental control system and control method thereof |
| CN109578227A (en) * | 2018-11-09 | 2019-04-05 | 大唐向阳风电有限公司 | A kind of pressure cooling system for Wind turbine pitch control cabinet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101140115A (en) * | 2006-09-04 | 2008-03-12 | 孟瑞 | Refrigerate heat-production method and equipment thererof |
| CN201326522Y (en) * | 2008-12-26 | 2009-10-14 | 华锐风电科技有限公司 | Engine room cooling system of wind generating set |
| CN202402222U (en) * | 2011-12-31 | 2012-08-29 | 江苏新誉重工科技有限公司 | Temperature adjustment system of wind power generator set |
| EP2573389A2 (en) * | 2011-09-21 | 2013-03-27 | Gamesa Innovation & Technology, S.L. | Cooling and climate control system and method for a wind turbine |
-
2013
- 2013-06-17 CN CN201310241874.1A patent/CN103352806B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101140115A (en) * | 2006-09-04 | 2008-03-12 | 孟瑞 | Refrigerate heat-production method and equipment thererof |
| CN201326522Y (en) * | 2008-12-26 | 2009-10-14 | 华锐风电科技有限公司 | Engine room cooling system of wind generating set |
| EP2573389A2 (en) * | 2011-09-21 | 2013-03-27 | Gamesa Innovation & Technology, S.L. | Cooling and climate control system and method for a wind turbine |
| CN202402222U (en) * | 2011-12-31 | 2012-08-29 | 江苏新誉重工科技有限公司 | Temperature adjustment system of wind power generator set |
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| CN103352806A (en) | 2013-10-16 |
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Granted publication date: 20151209 Termination date: 20180617 |