CN207245926U - Blade of wind-driven generator and wind-driven generator - Google Patents
Blade of wind-driven generator and wind-driven generator Download PDFInfo
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- CN207245926U CN207245926U CN201720952076.3U CN201720952076U CN207245926U CN 207245926 U CN207245926 U CN 207245926U CN 201720952076 U CN201720952076 U CN 201720952076U CN 207245926 U CN207245926 U CN 207245926U
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- 238000010248 power generation Methods 0.000 claims abstract description 50
- 230000008859 change Effects 0.000 claims abstract description 7
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000009499 grossing Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 208000025274 Lightning injury Diseases 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004083 survival effect Effects 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
- 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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Wind Motors (AREA)
Abstract
Technical field of wind power generation is the utility model is related to, is related to wind power generation blade and wind-driven generator；Wind power generation blade includes forming the blade body of geometric form profile, wherein the cross section contour of basic unit includes the first round profile for being arranged on first quartile, it is arranged on the second contour line of the second quadrant, it is arranged on the third round profile of third quadrant and is arranged on the fourth round profile of fourth quadrant, and first round profile and the extended line in the second contour line towards first round profile direction spend angle in 20 degree -30, place is provided with concave part in basic unit, depressed area is in the junction of third round profile and fourth round profile, wind-force can be improved by the concave part being arranged in basic unit and act on thrust in blade body, so as to improve the rotating speed of blade body, and then improve the work efficiency of wind power generation blade；Wind-driven generator includes electrical storage device, change electric appliance and wind power generation blade, wind-driven generator has above-mentioned advantage compared with prior art.
Description
Technical field
Technical field of wind power generation is the utility model is related to, in particular to wind power generation blade and wind-driven generator.
Background technology
With continuous ripe and cost of electricity-generating the continuous reduction of wind generating technology, wind-power electricity generation has become the mankind and has consumed
One of main source in electric energy.Wind-power electricity generation, which relies primarily on wind power generating set and works under wind action, to be produced electricl energy.Wind
Power power generation is the regenerative resource of current both economical and easy to implement large-scale commercial, and belongs to green clean energy resource.Profit
It abundant wind energy natural resources is brought benefit to the mankind with wind-power electricity generation, but also can reduce to fossil fuel such as coal, oil
Consumption, can alleviate the pressure of energy scarcity, furthermore it is also possible to reduce travel fatigue caused by thermal power generation, acid rain and greenhouse effect
Environmental pollution and the influence to weather should be waited, is conducive to protect environment for human survival.
As wind power generating set is progressively to high power development, the main R＆D direction currently for wind power generating set is
Unit installed power is improved, by increasing the length of blade of wind power generating set, improves unit generating capacity, but length of blade
It can not increase always.
Therefore it provides one kind can the more preferable wind power generation blade of efficiency and wind-driven generator become those skilled in the art
Important technological problems to be solved.
Utility model content
First purpose of the utility model is to provide a kind of wind power generation blade, to alleviate wind-power electricity generation in the prior art
The technical problem of machine vane efficiency difference.
A kind of wind power generation blade provided by the utility model, including：Form the blade body of geometric form profile；
The blade body includes basic unit and at least one layer of laying；
The cross section contour of the basic unit includes the first round profile for being arranged on first quartile, be arranged on the second quadrant the
Two contour lines, the third round profile for being arranged on third quadrant and the fourth round profile for being arranged on fourth quadrant；
The first round profile and second contour line towards the first round profile direction extended line in 20 degree-
30 degree of angles, place is provided with concave part in the basic unit, and the depressed area is in the third round profile and the fourth round profile
Junction.
Further, second contour line and the third round profile are in smoothing junction.
Further, the third round profile is S-shaped.
Further, the junction of the first round profile and the fourth round profile is in pointed shape.
Further, the junction of the first round profile and second contour line forms turning point, the turning point
It is corresponding with the concave part.
Further, heating plate is provided between the basic unit and the laying, the heating plate is by controller with moving
Power source connects.
Further, basic unit's outer wall is provided with sensor, and the sensor is connected with the controller.
Further, the blade body is internally provided with support plate, and adjacent multiple support plates are W-shaped.
Further, lightning-arrest bar is provided with the blade body.
Second purpose of the utility model is to provide a kind of wind-driven generator, to alleviate wind-driven generator in the prior art
The technical problem of vane efficiency difference.
A kind of wind-driven generator provided by the utility model, including electrical storage device, change electric appliance and the wind power generation blade；
The wind power generation blade is connected with the electrical storage device, and the electrical storage device is connected by the change electric appliance with external device
Connect.
Beneficial effect：
A kind of wind power generation blade provided by the utility model, including form the blade body of geometric form profile, blade sheet
Body includes basic unit and at least one layer of laying, and laying is covered in basic unit's outer wall, and basic unit's outer wall can set the different types of paving of multilayer
Layer, to reach different performance requirements；Wherein the cross section contour of basic unit includes being arranged on the first round profile of first quartile, sets
Put the second quadrant the second contour line, be arranged on the third round profile of third quadrant and be arranged on the fourth contoured of fourth quadrant
Line, the cross section contour by the connection basic unit of first round profile, the second contour line, third round profile and fourth round profile is in the wing
Shape, and the extended line in first round profile and the second contour line towards first round profile direction spends angle in 20 degree -30, in basic unit
Place is provided with concave part, and depressed area is recessed in basic unit by being arranged in the junction of third round profile and fourth round profile
Concave portion can improve wind-force and act on thrust in blade body, so as to improve the rotating speed of blade body, and then improve wind-force hair
The work efficiency of electric blade.
A kind of wind-driven generator provided by the utility model, including electrical storage device, change electric appliance and wind power generation blade；Wind-force is sent out
Electric blade is connected with electrical storage device, and electrical storage device is connected by becoming electric appliance with external device, and wind-driven generator has compared with prior art
There is above-mentioned advantage, it is no longer superfluous herein to chat.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the outline drawing for the wind power generation blade that the utility model embodiment provides；
Fig. 2 is the structure diagram for the wind power generation blade that the utility model embodiment provides；
Fig. 3 is the front view for the wind power generation blade that the utility model embodiment provides；
Fig. 4 is the partial enlarged view in Fig. 3.
Icon：100- blade bodies；101- basic units；102- layings；103- first round profiles；The second profiles of 104-
Line；105- third round profiles；106- fourth round profiles；107- concave parts；108- turning points；200- heating plates；300-
Support plate.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Fig. 1 is the outline drawing for the wind power generation blade that the utility model embodiment provides；Fig. 2 is real for the utility model
The structure diagram of the wind power generation blade of example offer is provided；Fig. 3 is the wind power generation blade that the utility model embodiment provides
Front view；Fig. 4 is the partial enlarged view in Fig. 3.
A kind of wind power generation blade provided as Figure 1-Figure 4 for the utility model embodiment, including：Form geometry
The blade body 100 of shape profile；Blade body 100 includes basic unit 101 and at least one layer of laying 102；The cross section profile of basic unit 101
Line includes being arranged on the first round profile 103 of first quartile, is arranged on the second contour line 104 of the second quadrant, is arranged on the 3rd
The third round profile 105 of quadrant and the fourth round profile 106 for being arranged on fourth quadrant；103 and second contour line of first round profile
104 extended line towards 103 direction of first round profile spends angle in 20 degree -30, and place is provided with concave part 107 in basic unit 101, recessed
Concave portion 107 is located at the junction of third round profile 105 and fourth round profile 106.
A kind of wind power generation blade that the utility model embodiment provides, including form the blade body of geometric form profile
100, blade body 100 includes basic unit 101 and at least one layer of laying 102, and laying 102 is covered in 101 outer wall of basic unit, basic unit 101
Outer wall can set the different types of laying 102 of multilayer, to reach different performance requirements；The wherein cross section profile of basic unit 101
Line includes being arranged on the first round profile 103 of first quartile, is arranged on the second contour line 104 of the second quadrant, is arranged on the 3rd
The third round profile 105 of quadrant and the fourth round profile 106 for being arranged on fourth quadrant, pass through first round profile 103, the second profile
Line 104, third round profile 105 and fourth round profile 106 connection basic unit 101 cross section contour in wing, and first round
The extended line in 103 and second contour line 104 of profile towards 103 direction of first round profile spends angle in 20 degree -30, locates in basic unit 101
Concave part 107 is provided with, concave part 107 is located at the junction of third round profile 105 and fourth round profile 106, by being arranged on
Concave part 107 in basic unit 101 can improve wind-force and act on thrust in blade body 100, so as to improve blade body 100
Rotating speed, and then improve wind power generation blade work efficiency.
103 one end of first round profile is connected with the second contour line 104, and the other end is connected with fourth round profile 106, the second wheel
104 one end of profile is connected with first round profile 103, and the other end is connected with third round profile 105,105 one end of third round profile with
Second contour line 104 connects, and the other end is connected with fourth round profile 106,106 one end of fourth round profile and third round profile 105
Connection, the other end are connected with first round profile 103.
Wherein, after wind-force is separated in the second contour line 104 with 105 junction of third round profile, one air-flow along
Second contour line 104 flows through blade body 100, and another strand of air-flow is flowed through along third round profile 105, then passes through the first profile
The bending of 103 and second contour line 104 of line improves thrust of the wind-force to blade body 100, while is arranged on the depression of basic unit 101
Portion 107 can also improve thrust of the wind-force to blade body 100, improve the rotating speed of blade body 100.
The kinetic energy of wind is transformed into mechanical kinetic energy, then mechanical energy is converted into electric power kinetic energy, here it is wind-power electricity generation wind-force
The principle of power generation, is to drive blade body 100 to rotate using wind-force, then lifts rotating speed through booster engine, to promote
Electrical power generators；According to the gentle breeze speed of current windmill technology, about one meter per second, can start to generate electricity, wind-force hair
The efficiency of motor determines the quality of a Fans, but the application can greatly improve wind by the setting of concave part 107
The rotating speed of power generator, so as to improve the generating efficiency of wind-driven generator.
Meanwhile this blade of wind-driven generator can be applied on different types of generator, such as vertical axis wind power generation
Machine and horizontal axis wind-driven generator etc..
In the alternative of the present embodiment, the second contour line 104 and third round profile 105 are in smoothing junction.
To ensure that air-flow can be along the second contour line 104 and third round profile 105 quickly through by the second contour line
104 is in smoothing junction with third round profile 105, reduces the friction of air-flow here, allows the flow to quickly through and produce larger
Wind pressure, so that blade body 100 being capable of quick rotation.
In the alternative of the present embodiment, third round profile 105 is S-shaped.
Influence of the less wake flow to blade body 100, is arranged to S-shaped by third round profile 105, is reducing the interference of wake flow
Under, the rotating speed of blade body 100 can be further improved, so as to further improve the generating efficiency of wind turbine.
In the alternative of the present embodiment, first round profile 103 and the junction of fourth round profile 106 are in pointed shape.
Further to reduce influence of the wake flow to blade body 100, the company of first round profile 103 and fourth round profile 106
It is in pointed shape to meet place, in the case where reducing the interference of wake flow, the rotating speed of blade body 100 can be further improved, so that further
Improve the generating efficiency of wind turbine.
In the alternative of the present embodiment, the junction of 103 and second contour line 104 of first round profile forms turning point
108, turning point 108 is corresponding with concave part 107.
The junction of 103 and second contour line 104 of first round profile forms turning point 108, and this turning point 108 with it is recessed
107 position of concave portion is corresponding, when air-flow flows through, when acting on turning point 108 and concave part 107, can improve wind-force to leaf
The power-assisted of piece body 100, further improves the rotating speed of blade body 100.
In the alternative of the present embodiment, heating plate 200 is provided between basic unit 101 and laying 102, heating plate 200 is logical
Controller is crossed to be connected with power source.
When wind-driven generator is arranged in cold area or runs into burst cold air, it is arranged on wind-driven generator
Wind power generating blade sector-meeting freezes, and the work efficiency of wind-driven generator can not only be largely effected on by freezing, but also can cause wind-force
Power generation blade is rotating irregular, because freezing is attached to wind power generation blade outer surface, can increase the weight of wind power generation blade
Amount, therefore is prone to accidents in rotary course, causes the damage of wind-power electricity generation, thus prevent wind power generation blade freeze and
Processing after icing is extremely important.
Specifically, being provided with heating plate 200 between basic unit 101 and laying 102, heating plate 200 is by controller with moving
Power source connects, and power source can drive heating plate 200 to produce heat.
In the alternative of the present embodiment, 101 outer wall of basic unit is provided with sensor, and sensor is connected with controller.
Meanwhile 101 outer wall of basic unit is provided with sensor, sensor is connected with controller, when sensor detects that the external world is low
When temperature or sudden temperature drop, signal can be passed to controller, controller can control power source to be energized for heating plate 200, make heating
Piece 200 heats, and device temperature so will not both cause damage wind power generation blade in the tolerance range of wind power generation blade,
It preventing freezing and removal can effectively freeze at the same time, ensure the normal operation of wind-driven generator.
In the alternative of the present embodiment, blade body 100 is internally provided with support plate 300, adjacent multiple support plates
300 is W-shaped.
Blade body 100 is made of basic unit 101 with the laying 102 for being arranged on 101 outer wall of basic unit, itself is possessed certain
Strength and stiffness, for ensure blade body 100 can long-time service, be internally provided with support plate 300 in blade body 100 to carry
Its high intensity.
Moreover, multiple adjacent support plates 300 are W-shaped, basic unit 101 can be effectively supported, makes blade body 100 light
The high intensity that gets both while quantization and high height.
Lightning-arrest bar is provided with the alternative of the present embodiment, in blade body.
Wind-driven generator is arranged on the field of spaciousness more, and the height of wind-driven generator is higher, therefore in thundery sky
Gas, is very easy to by lightning stroke, but the blade of wind-driven generator does not possess the intensity of resistance lightning stroke in itself, therefore meets with thunder
When hitting, the damage of equipment is easily caused.
Specifically, being provided with lightning-arrest bar in blade body, it will be shocked by electricity by lightning-arrest bar and be oriented to the earth.
A kind of wind-driven generator that the utility model embodiment provides, including electrical storage device, change electric appliance and wind power generation blade；
Wind power generation blade is connected with electrical storage device, and electrical storage device is connected by becoming electric appliance with external device.
A kind of wind-driven generator that the utility model embodiment provides, including electrical storage device, change electric appliance and wind power generation blade；
Wind power generation blade is connected with electrical storage device, and electrical storage device is connected by becoming electric appliance with external device, wind-driven generator and the prior art
Compared to above-mentioned advantage, no longer go to live in the household of one's in-laws on getting married and chat herein.
Wind-driven generator is additionally provided with Speed Controller, torsion monitor and brake at the same time, when the excessive band movable vane of wind-force
During piece high-speed rotation, Speed Controller and torsion monitor meeting real-time detector data, and controller is sent to, then pass through other
Data comparison carries out judging whether triggering brake, so as to lower the rotating speed of blade, protects the safety of wind turbine.
Table 1
It is as shown in table 1 the data of the wind power generation blade that the utility model embodiment provides and existing wind power generation blade
Comparison diagram.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical solution of type.
Claims (10)
- A kind of 1. wind power generation blade, it is characterised in that including：Form the blade body of geometric form profile；The blade body includes basic unit and at least one layer of laying；The cross section contour of the basic unit includes being arranged on the first round profile of first quartile, is arranged on the second wheel of the second quadrant Profile, the third round profile for being arranged on third quadrant and the fourth round profile for being arranged on fourth quadrant；The first round profile and the extended line in second contour line towards the first round profile direction are spent in 20 degree -30 Angle, place is provided with concave part in the basic unit, and the depressed area is in the company of the third round profile and the fourth round profile Meet place.
- 2. wind power generation blade according to claim 1, it is characterised in that second contour line is wide with the third round Line is in smoothing junction.
- 3. wind power generation blade according to claim 2, it is characterised in that the third round profile is S-shaped.
- 4. wind power generation blade according to claim 1, it is characterised in that the first round profile and the fourth contoured The junction of line is in pointed shape.
- 5. wind power generation blade according to claim 1, it is characterised in that the first round profile and second profile The junction of line forms turning point, and the turning point is corresponding with the concave part.
- 6. wind power generation blade according to claim 1, it is characterised in that be provided between the basic unit and the laying Heating plate, the heating plate are connected by controller with power source.
- 7. wind power generation blade according to claim 6, it is characterised in that basic unit's outer wall is provided with sensor, institute Sensor is stated to be connected with the controller.
- 8. wind power generation blade according to claim 1, it is characterised in that the blade body is internally provided with support Plate, adjacent multiple support plates are W-shaped.
- 9. according to claim 1-8 any one of them wind power generation blades, it is characterised in that set in the blade body There is lightning-arrest bar.
- 10. a kind of wind-driven generator, it is characterised in that including electrical storage device, become electric appliance and claim 1-9 any one of them Wind power generation blade；The wind power generation blade is connected with the electrical storage device, and the electrical storage device is connected by the change electric appliance with external device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720952076.3U CN207245926U (en) | 2017-08-01 | 2017-08-01 | Blade of wind-driven generator and wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720952076.3U CN207245926U (en) | 2017-08-01 | 2017-08-01 | Blade of wind-driven generator and wind-driven generator |
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| Publication Number | Publication Date |
|---|---|
| CN207245926U true CN207245926U (en) | 2018-04-17 |
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ID=61878748
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720952076.3U Active CN207245926U (en) | 2017-08-01 | 2017-08-01 | Blade of wind-driven generator and wind-driven generator |
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| Country | Link |
|---|---|
| CN (1) | CN207245926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246356A (en) * | 2017-08-01 | 2017-10-13 | 天津超算科技有限公司 | Blade of wind-driven generator and wind-driven generator |
-
2017
- 2017-08-01 CN CN201720952076.3U patent/CN207245926U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246356A (en) * | 2017-08-01 | 2017-10-13 | 天津超算科技有限公司 | Blade of wind-driven generator and wind-driven generator |
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| GR01 | Patent grant | ||
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Effective date of registration: 20210621 Address after: 266000 Building 1, No. 369, nanbozi village, aoshanwei sub district office, Jimo District, Qingdao City, Shandong Province Patentee after: Shandong Zhongneng Huayuan Offshore Wind Power Group Co.,Ltd. Address before: 300000 Tianjin Binhai New Area Free Trade Zone (Airport Economic Zone) Baohang Route 1 aviation industry support center Patentee before: TIANJIN CHAOSUAN TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240320 Address after: Room B-1, No. 15 West 15th Road, Tianjin Pilot Free Trade Zone (Airport Economic Zone), Binhai New Area, Tianjin, 300000 Patentee after: TIANJIN CHAOSUAN TECHNOLOGY CO.,LTD. Country or region after: Zhong Guo Address before: 266000 Building 1, No. 369, nanbozi village, aoshanwei sub district office, Jimo District, Qingdao City, Shandong Province Patentee before: Shandong Zhongneng Huayuan Offshore Wind Power Group Co.,Ltd. Country or region before: Zhong Guo |
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| TR01 | Transfer of patent right |