CN103352806A - Hub cooling device and control method thereof - Google Patents
Hub cooling device and control method thereof Download PDFInfo
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- CN103352806A CN103352806A CN2013102418741A CN201310241874A CN103352806A CN 103352806 A CN103352806 A CN 103352806A CN 2013102418741 A CN2013102418741 A CN 2013102418741A CN 201310241874 A CN201310241874 A CN 201310241874A CN 103352806 A CN103352806 A CN 103352806A
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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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Abstract
A hub cooling device and a control method thereof belong to the technical field of wind power generation. The current temperature value t is measured through a temperature sensor arranged in a hub and transmitted to a variable-pitch controller through a temperature control board, and a control system of a wind driven generator set is connected with the variable-pitch controller to read the current temperature value t; the read current temperature value t and a temperature set value T are compared, and when t is more than or equal to T, Q1 and O2 are output, wherein Q1 controls instructions of a cooling fan, and Q2 controls instructions of an electric non-return valve; when t is smaller than T, the temperature control board does not output signals Q1 and Q2, and then the program finishes. According to the invention, the on/off of the electric non-return valve is controlled through the variable-pitch controller to realize communication and cut-off between the space of the hub and the space in a blade, so that the heat dissipation space of a variable-pitch system is increased and the radiating effect is good.
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, also is the link of root of blade and main shaft.All all are delivered to transmission system by wheel hub from the power that blade transmits, and pass to the object that wind energy conversion system drives again.Wheel hub also is that variable blade control system makes blade do the place of pitch rotation simultaneously.
The pitch-controlled system of wind power generating set mainly is installed in the wheel hub at present, and the type of cooling adopts air-cooled pattern mostly.But less in view of the space of wheel hub, air flow property is poor, is unfavorable for the heat radiation of pitch-controlled system, has affected the performance of pitch-controlled system.And wind turbine control system only has the switching value signal of wheel hub temperature alarming, can't detect the actual temperature value in the wheel hub, if the pitch-controlled system excess Temperature also can cause the shutdown of air-cooled generator group, causes 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 temperature value in the wheel hub by temperature control panel, by the open and close of electronic wind check-valve, has realized UNICOM and the shutoff in space in wheel hub space and the blade, has increased the space of pitch-controlled system heat radiation.
The technical solution used in the present invention is:
A kind of controlling method of wheel hub cooling unit comprises the steps:
The first step: by placing the current temperature value t of temperature sensor measurement in the wheel hub, be delivered to by temperature control panel and become the oar controller, the control system of wind power generating set by with become being connected of oar controller, read current temperature value t;
Second step: compare with desired temperature T by the current temperature value t that reads, when t 〉=T, output Q1, Q2, wherein Q1 control cooling fan instruction, Q2 controls electronic wind check-valve instruction; That is: control 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 the blade;
The 3rd step: when t＜T, temperature control panel is output signal Q1 and Q2 not, EOP end of program.
Further, described each blade 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 all be at least one, when being one, become the oar controller and be connected with three cooling fans and electronic wind check-valve respectively, by three cooling fans of temperature control panel control of a change oar controller connection and the open and close of motorized non-return valve.
Perhaps, described each blade is all with change oar controller, temperature control panel and a temperature transducer, temperature transducer places respectively three blades and wheel hub joint, temperature value t1, t2, t3 by three blade place temperature transducers reading, T compares with desired temperature, when arbitrary t1/t2/t3 〉=T, and output Q11/Q12/Q13, Q21/Q22/Q23, wherein Q11/Q12/Q13 is three cooling fan instructions of control, and Q21/Q22/Q23 is three electronic wind check-valve instructions of control; Each blade is controlled respectively the open and close of corresponding motorized non-return valve by the temperature control panel that becomes the connection of oar controller; As t1, t2, t3 during less than T, temperature control panel is output signal Q11/Q12/Q13 and Q21/Q22/Q23 not, EOP end of program.
Adopt the wheel hub cooling unit of controlling method of the present invention, comprise that at least one becomes 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 places in the wheel hub, and is connected with temperature control panel; Cooling fan is installed in respectively each blade and wheel hub joint with electronic wind check-valve by its fan mounting plate, and cooling fan and electronic wind check-valve connect respectively temperature control panel.
Perhaps, described change oar controller, temperature control panel, temperature transducer are three, and temperature control panel is connected with every group of blade cooling fan and electronic wind check-valve respectively.
Perhaps, described change oar controller and temperature control panel are one, and temperature transducer is three, and temperature control panel is connected with every group of blade cooling fan and electronic wind check-valve respectively.
Beneficial effect of the present invention:
1. the present invention can detect temperature value in the wheel hub by temperature control panel, and the temperature value that collects can be passed to the control system of wind power generating set, control the open and close of electronic wind check-valve, UNICOM and the shutoff in space in wheel hub space and the blade have been realized, increased the space of pitch-controlled system heat radiation, good heat dissipation effect.
2. the cooling fan of the present invention by arranging strengthened in the wheel hub and the Air Flow in space in the blade, is conducive to the heat radiation of pitch-controlled system.
3. the present invention has realized that wind turbine control system reads temperature value in the wheel hub by becoming the oar controller, its design cost is low, be applicable to the structure of three blades of a change oar controller control, more be applicable to the structure that three change oar controllers are controlled respectively three blades.
Description of drawings
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 invention 1.
Fig. 4 is the circuit theory diagrams of temperature control panel in the embodiment of the invention 2.
Fig. 5 is wheel hub cooling unit structural representation of the present invention.
Among the 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 is closed.
Embodiment:
Describe the present invention below in conjunction with drawings and Examples:
Embodiment 1: as shown in Figure 1, 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 placing the current temperature value t of temperature sensor measurement in the wheel hub, be delivered to change oar controller by temperature control panel (CCWE-MDS-TEM .CON), the control system of wind power generating set by with become being connected of oar controller, read current temperature value t; Wherein the control system of wind power generating set and variable blade control system are existing structure;
Second step: compare with desired temperature T by the current temperature value t that reads, when t 〉=T, output Q1, Q2, wherein Q1 is 3 instructions of control cooling fan, Q2 is 2 instructions of control motorized non-return valve; That is: by the open and close of temperature control panel control motorized non-return valve 2, realize UNICOM and the shutoff in space in wheel hub space and the blade;
The 3rd step: when t＜T, temperature control panel is output signal Q1 and Q2 not, EOP end of program.
As shown in Figure 4, be wheel hub cooling unit of the present invention, comprise that one group becomes 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 places in the wheel hub, and is connected with temperature control panel; Described cooling fan 3 is installed in the blade wheel hub by its fan mounting plate 1 with motorized non-return valve 2, connects temperature control panel by motorized non-return valve 2, can realize the space isolation of blade and wheel hub.
The present invention can realize UNICOM and the shutoff in space in wheel hub space and the blade by the open and close of motorized non-return valve 2; By cooling fan 3, strengthened in the wheel hub and the Air Flow in space in the blade, be conducive to the heat radiation of pitch-controlled system; Temperature control panel can pass to the temperature value that collects the control system of wind power generating set.
Embodiment 2: be better its cooling effect of control, this example is as different from Example 1: described each blade of this example is all with a change oar controller, temperature control panel and temperature transducer, temperature transducer places respectively three blades and wheel hub joint, temperature value t1 by three blade place temperature transducers reading, t2, t3, T compares with desired temperature, when arbitrary t1/t2/t3 〉=T, output Q11/Q12/Q13, Q21/Q22/Q23, wherein Q11/Q12/Q13 is three cooling fan instructions of control, and Q21/Q22/Q23 is three electronic wind check-valve instructions of control; Each blade is controlled respectively the open and close of corresponding motorized non-return valve by the temperature control panel that becomes the connection of oar controller; As t1, t2, t3 during less than T, temperature control panel is output signal Q11/Q12/Q13 and Q21/Q22/Q23 not, EOP end of program.The temperature signal of this routine structure collection is more accurate, can control in real time the temperature in the wheel hub, and in time cooling reduces owing to the wheel hub excess Temperature, causes the machine halt trouble of air-cooled generator group.
Embodiment 3: this example as different from Example 2: this example adopts 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 (6)
1. the controlling method of a wheel hub cooling unit is characterized in that: comprise the steps:
The first step: by placing the current temperature value t of temperature sensor measurement in the wheel hub, be delivered to by temperature control panel and become the oar controller, the control system of wind power generating set by with become being connected of oar controller, read current temperature value t;
Second step: compare with desired temperature T by the current temperature value t that reads, when t 〉=T, output Q1, Q2, wherein Q1 control cooling fan instruction, Q2 controls electronic wind check-valve instruction; That is: control 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 the blade;
The 3rd step: when t＜T, temperature control panel is output signal Q1 and Q2 not, EOP end of program.
2. the controlling method of wheel hub cooling unit as claimed in claim 1, it is characterized in that: described each blade 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 all be at least one, when being one, become the oar controller and be connected with three cooling fans and electronic wind check-valve respectively, by three cooling fans of temperature control panel control of a change oar controller connection and the open and close of motorized non-return valve.
3. the controlling method of wheel hub cooling unit as claimed in claim 1 or 2, it is characterized in that: described each blade is all with a change oar controller, temperature control panel and temperature transducer, temperature transducer places respectively three blades and wheel hub joint, temperature value t1 by three blade place temperature transducers reading, t2, t3, T compares with desired temperature, when arbitrary t1/t2/t3 〉=T, output Q11/Q12/Q13, Q21/Q22/Q23, wherein Q11/Q12/Q13 is three cooling fan instructions of control, and Q21/Q22/Q23 is three electronic wind check-valve instructions of control; Each blade is controlled respectively the open and close of corresponding motorized non-return valve by the temperature control panel that becomes the connection of oar controller; As t1, t2, t3 during less than T, temperature control panel is output signal Q11/Q12/Q13 and Q21/Q22/Q23 not, EOP end of program.
4. adopt the as claimed in claim 1 wheel hub cooling unit of controlling method, it is characterized in that: comprise that at least one becomes 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 places in the wheel hub, and is connected with temperature control panel; Cooling fan is installed in respectively each blade and wheel hub joint with electronic wind check-valve by its fan mounting plate, and cooling fan and electronic wind check-valve connect respectively temperature control panel.
5. wheel hub cooling unit as claimed in claim 4, it is characterized in that: described change oar controller, temperature control panel, temperature transducer are three, and temperature control panel is connected with every group of blade cooling fan and electronic wind check-valve respectively.
6. wheel hub cooling unit as claimed in claim 4, it is characterized in that: described change oar controller and temperature control panel are one, and temperature transducer is three, and temperature control panel is connected with every group of blade cooling fan and electronic wind check-valve respectively.
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 true CN103352806A (en) | 2013-10-16 |
| CN103352806B 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (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 |
| US8747060B2 (en) * | 2011-09-21 | 2014-06-10 | 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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2013
- 2013-06-17 CN CN201310241874.1A patent/CN103352806B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN103352806B (en) | 2015-12-09 |
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Granted publication date: 20151209 Termination date: 20180617 |