CN203297034U - Hub cooling device - Google Patents
Hub cooling device Download PDFInfo
- Publication number
- CN203297034U CN203297034U CN2013203440127U CN201320344012U CN203297034U CN 203297034 U CN203297034 U CN 203297034U CN 2013203440127 U CN2013203440127 U CN 2013203440127U CN 201320344012 U CN201320344012 U CN 201320344012U CN 203297034 U CN203297034 U CN 203297034U
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- CN
- China
- Prior art keywords
- temperature
- temperature control
- control panel
- wheel hub
- hub
- 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.)
- Expired - Fee Related
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Wind Motors (AREA)
Abstract
The utility model belongs to the technical field of wind power generation and relates to a hub cooling device which comprises at least one variable pitch controller, a temperature control plate, a temperature sensor, three sets of fans and fan mounting plates. The temperature control plate is provided with a temperature collecting port and an output control port and is connected with the variable pitch controller. The temperature sensor is arranged in a hub and is connected with the temperature control plate. The cooling fans are provided with electric check air valves and are arranged on the connection portions of blades and the hub through the fan mounting plates of the fans respectively. The cooling fans and the electric check air valves are connected with the temperature control plate respectively. According to the hub cooling device, the variable pitch controller controls opening and closing of the electric check air valves, communicating and disconnecting of the hub space and spaces in the blades are achieved, the radiating space of a variable pitch system is enlarged, and 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 unit.
Background technique
Wheel hub is the hinge of wind wheel, is also the link of root of blade and main shaft.All,, from the power that blade transmits, all are delivered to transmission system by wheel hub, then pass to the object that wind energy conversion system drives.Wheel hub is also 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 arranged in 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 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 the temperature value in 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 blade, has increased the space of pitch-controlled system heat radiation.
The technical solution used in the present invention is:
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, with change oar controller, be connected, temperature transducer is placed in wheel hub, and is connected with temperature control panel; Cooling fan, with electronic wind check-valve, is arranged on respectively each blade and wheel hub joint 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 the temperature value in 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 blade have been realized, increased the space of pitch-controlled system heat radiation, good heat dissipation effect.
2. the present invention is by the cooling fan that arranges, and strengthened in wheel hub and the Air Flow in space in blade, is conducive to the heat radiation of pitch-controlled system.
3. the present invention has realized that wind turbine control system reads the temperature value in wheel hub by becoming the oar controller, its design cost is low, be applicable to a change oar controller and control the structure of three blades, be more suitable for the structure that three change oar controllers are controlled respectively three blades.
The 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, K1, K2 closure.
Embodiment:
Below in conjunction with drawings and Examples, describe the present invention:
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 being placed in the current temperature value t of temperature sensor measurement in wheel hub, by temperature control panel (CCWE-MDS-TEM .CON), be delivered to 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; Wherein the control system of wind power generating set and variable blade control system are existing structure;
Second step: by the current temperature value t that reads, with desired temperature T, compare, when t >=T, output Q1, Q2, wherein Q1 is for controlling cooling fan 3 instructions, and Q2 is for controlling motorized non-return valve 2 instructions; That is: by temperature control panel, control the open and close of motorized non-return valve 2, realize UNICOM and the shutoff in space in wheel hub space and 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, for 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, with change oar controller, be connected, 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 the blade wheel hub by its fan mounting plate 1, by motorized non-return valve 2, connects temperature control panel, 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, strengthened in wheel hub and the Air Flow in space in 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 controlling, 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 is placed in 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 for controlling three cooling fan instructions, Q21/Q22/Q23 is for controlling three electronic wind check-valve instructions, 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, during less than T, temperature control panel is output signal Q11/Q12/Q13 and Q21/Q22/Q23 not, EOP end of program as t1, t2, t3.The temperature signal that this routine structure gathers is more accurate, can control in real time the temperature in wheel hub, and is in time cooling, reduces due 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 (3)
1. wheel hub cooling unit, 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, with change oar controller, be connected, temperature transducer is placed in wheel hub, and is connected with temperature control panel; Cooling fan, with electronic wind check-valve, is arranged on respectively each blade and wheel hub joint by its fan mounting plate, and cooling fan and electronic wind check-valve connect respectively temperature control panel.
2. wheel hub cooling unit as claimed in claim 1, 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.
3. wheel hub cooling unit as claimed in claim 1, 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 |
|---|---|---|---|
| CN2013203440127U CN203297034U (en) | 2013-06-17 | 2013-06-17 | Hub cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203440127U CN203297034U (en) | 2013-06-17 | 2013-06-17 | Hub cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203297034U true CN203297034U (en) | 2013-11-20 |
Family
ID=49573047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203440127U Expired - Fee Related CN203297034U (en) | 2013-06-17 | 2013-06-17 | Hub cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203297034U (en) |
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2013
- 2013-06-17 CN CN2013203440127U patent/CN203297034U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20180617 |