CN206114696U - Air speed measuring device and aerogenerator - Google Patents

Air speed measuring device and aerogenerator Download PDF

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Publication number
CN206114696U
CN206114696U CN201621167256.2U CN201621167256U CN206114696U CN 206114696 U CN206114696 U CN 206114696U CN 201621167256 U CN201621167256 U CN 201621167256U CN 206114696 U CN206114696 U CN 206114696U
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China
Prior art keywords
wind speed
measuring device
speed measuring
wind
cover body
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Active
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CN201621167256.2U
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Chinese (zh)
Inventor
魏浩
曹杰
王瑞良
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Sany Renewable Energy Co Ltd
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Sany Heavy Energy Equipment Co Ltd
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Priority to CN201621167256.2U priority Critical patent/CN206114696U/en
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    • 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

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Abstract

The utility model provides an air speed measuring device and aerogenerator belongs to wind power generation technical field. Air speed measuring device includes kuppe soft breeze quick test volume piece, and the wind speed is measured the piece and is used for detecting the wind pressure including pitot tube and signal processor, pitot tube, and signal processor handles and convert to wind speed information to the wind pressure signal, adopts the pitot tube to measure the wind speed on the aerogenerator, and the disturbance is less, and the precision is very high to, simple structure, use cost are lower. Aerogenerator adopts above -mentioned air speed measuring device, and the structure is comparatively simple, installation convenient to use.

Description

A kind of wind speed measuring device and wind-driven generator
Technical field
The utility model is related to technical field of wind power generation, sends out in particular to a kind of wind speed measuring device and wind-force Motor.
Background technology
Wind-driven generator is that wind energy is converted to into mechanical energy and rotor driven rotation, and the electric power of final output alternating current sets It is standby.
Wind-driven generator typically all has wind speed measuring device, for measuring the information such as wind speed.Existing measuring wind speed dress Put structure complex, use cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of wind speed measuring device, by arranging Pitot tube on kuppe, is made Measure blast with Pitot tube and wind speed information be output as by signal processor, simple structure, be easily achieved, use cost compared with It is low.
The purpose of this utility model also resides in a kind of wind-driven generator of offer, and the wind-driven generator is surveyed using above-mentioned wind speed Amount device, simple structure, fabrication and installation are convenient.
What embodiment of the present utility model was realized in:
Embodiment of the present utility model provides a kind of wind speed measuring device, including kuppe and measuring wind speed part, water conservancy diversion Cover includes cover body, and cover body is provided with cavity, and one end of cover body is blind end, and the other end of cover body is openend, measuring wind speed part Including Pitot tube and for receiving and the signal processor of Pitot tube detection information is processed, Pitot tube is through blind end and from cavity Inside stretch out, signal processor is arranged in cavity and is connected with Pitot tube.
Used as the alternative of above-described embodiment, kuppe also includes the bracing frame for supporting cover body, and bracing frame is fixed In the inside of cover body, bracing frame includes multiple annular elements and multiple bracing elements, and bracing element is passed through between two adjacent annular elements Connection.
Used as the alternative of above-described embodiment, one of annular element is first annular part, and remaining annular element is the Second ring part, first annular part is internally provided with support member, and signal processor is fixedly installed on support member, first annular part Surface is perpendicular or generally perpendicular with the axis of bracing frame, and the second annular element is fitted with cover body, and Pitot tube is through cover body and support member.
Used as the alternative of above-described embodiment, the side of the close cover body of the second annular element is provided with draw-in groove, bracing element It is embedded in draw-in groove.
Used as the alternative of above-described embodiment, cover body includes first and second, and first is hollow round table-like Structure, second one end for being arranged at first and for curved structure, between existing between the inner surface of second and bracing frame Gap.
Used as the alternative of above-described embodiment, processor body is removably connected with bracing frame.
Used as the alternative of above-described embodiment, bracing frame includes tingle, and processor body is fitted with tingle And be bolted.
Used as the alternative of above-described embodiment, Pitot tube is rotatably arranged at cover body, Pitot tube and cover by bearing Sealed by sealing ring between body.
Embodiment of the present utility model additionally provides a kind of wind-driven generator, and wind-driven generator includes engine room cover top and above-mentioned Wind speed measuring device, wind speed measuring device is installed on engine room cover top.
Used as the alternative of above-described embodiment, wind speed measuring device is arranged at the wind wheel front end of wind-driven generator.
Compared with prior art, the beneficial effects of the utility model are:Wind speed measuring device measures wind using Pitot tube Wind speed on power generator, disturbance is less, and precision is very high, also, simple structure, use cost are relatively low.Wind-driven generator is adopted Above-mentioned wind speed measuring device is used, structure is relatively simple, easy to install.
Description of the drawings
Fig. 1 is the schematic diagram at one of visual angle of the wind speed measuring device that the utility model embodiment 1 is provided;
Fig. 2 is the schematic diagram at another visual angle of the wind speed measuring device that the utility model embodiment 1 is provided;
Fig. 3 is the schematic diagram at one of visual angle of the bracing frame of Fig. 2;
Fig. 4 is the schematic diagram at another visual angle of the bracing frame of Fig. 2;
Fig. 5 is the close-up schematic view of Fig. 4;
Fig. 6 is the schematic diagram of the wind-driven generator that the utility model embodiment 2 is provided.
Icon:100- wind-driven generators;01- engine room covers top;03- wind speed measuring devices;31- kuppes;311- bracing frames; 3111- annular elements;The first annular parts of 3111A-;The annular elements of 3111B- second;3113- bracing elements;3115- support members;3115A- Tingle;313- cover bodies;33- measuring wind speed parts;331- Pitot tubes;333- signal processors.
Specific embodiment
It is new below in conjunction with this practicality to make purpose, technical scheme and the advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment The embodiment stated is a part of embodiment of the utility model, rather than the embodiment of whole.Based on the enforcement in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to The scope of the utility model protection.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then it need not be further defined and is explained in subsequent accompanying drawing.
In description of the present utility model, it should be noted that term " first ", " second ", " the 3rd " etc. are only used for area Divide description, and it is not intended that indicating or implying relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, Or be integrally connected;Can be mechanically connected, or electrically connect;Can be joined directly together, it is also possible to by intermediary It is indirectly connected to, can is the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition Solve concrete meaning of the above-mentioned term in the utility model.
Embodiment 1:
Refer to shown in Fig. 1, embodiment of the present utility model 1 provides a kind of wind speed measuring device 03, the device can be with It is applied on wind-driven generator, is mainly used in measuring wind speed.The wind speed measuring device 03 is main by kuppe 31 and measuring wind speed The two parts of part 33 are constituted, and are described in detail below for the structure of all parts.
First, as shown in Fig. 2 kuppe 31 includes bracing frame 311 and cover body 313, bracing frame 311 is used to support cover body 313。
As shown in figure 3, bracing frame 311 includes annular element 3111, bracing element 3113 and support member 3115, bracing frame 311 Material can select steel, it would however also be possible to employ the material such as aluminium alloy such as alloy, the hardness of support member 3115 can be entered as needed Row is selected.In the present embodiment, the entirety of bracing frame 311 is in round table-like structure, in other embodiments, the entirety of support frame Structure can also be prism-frustum-shaped, irregularly shaped etc..
The shape of annular element 3111 is not limited, and in the present embodiment, annular element 3111 can be annulus, certainly, annular element 3111 can also be Q-RING etc., and when annular element 3111 is circular, symmetrical configuration is more stable.
The quantity of annular element 3111 for multiple, such as two, three, four etc., in the present embodiment, annular element 3111 Quantity selects to be three.
For convenience, a virtual straight line is selected to be reference line, the reference line can be used as round table-like support The axis of frame 311, the axis of multiple annular elements 3111 can overlap with reference line, and multiple annular elements 3111 are along reference line Directional spreding, and along reference line direction, the diameter of multiple annular elements 3111 is gradually reduced so that bracing frame 311 includes Heavy caliber end and small-caliber end.
In three annular elements 3111, one of annular element 3111 be first annular part 3111A, other two annular element 3111 is the second annular element 3111B, and the diameter of first annular part 3111A is less than the diameter of the second annular element 3111B.It is first annular The structure and modes of emplacement of part 3111A are different from the second annular element 3111B, and first annular part 3111A is the platy structure of annular, Its relative both sides (spacing between the relative both sides of first annular part 3111A is the thickness of first annular part 3111A) is Vertical with reference line or substantially vertical, i.e., first annular part 3111A extends internally along round table-like upper surface, the second annular element 3111B is hollow round table-like structure, and (spacing between the relative both sides of the second annular element 3111B is for its relative both sides The thickness of the second annular element 3111B) incline both with respect to reference line, i.e., the second annular element 3111B prolongs along round table-like side Stretch, inclined angle needs to be set according to the demand of cover body 313, also, the width of annular element 3111 is set as needed.
The outer surface of the second annular element 3111B is provided with draw-in groove, draw-in groove is used to connect bracing element 3113.
As shown in figure 4, due to not being directly connected between multiple annular elements 3111, therefore need between multiple annular elements 3111 It is attached by bracing element 3113, the quantity of bracing element 3113 is not limited, in the present embodiment, the quantity of bracing element 3113 is four Individual, four bracing elements 3113 are uniformly distributed around reference line.Bracing element 3113 is obliquely installed relative to reference line, and each is oblique Support member 3113 is connected successively with each annular element 3111, angle of inclination and annular element 3111 of the bracing element 3113 relative to reference line Surface it is identical or essentially identical relative to the angle of inclination of reference line.The place straight line of multiple bracing elements 3113 can with reference line To intersect at a point.
Bracing element 3113 can be embedded in draw-in groove and fixed, and the surface of bracing element 3113 is with the second annular element 3111B's Outer surface is flushed or is substantially flush, and one end of bracing element 3113 is fixedly connected with first annular part 3111A, and fixed form can be adopted With the mode such as welding, be detachably connected.
Certainly, bracing element 3113 not necessarily must be embedded in draw-in groove, it is also possible to arranged on the second annular element 3111B and supplied The through hole that bracing element 3113 wears, or be multistage monomer by a second annular element 3111B point, one end of every section of monomer and its In a bracing element 3113 fix, the other end is fixed with another bracing element 3113.
As shown in figure 5, support member 3115 is arranged on the inside of first annular part 3111A, in the present embodiment, support member 3115 stripe boards for including two across that intersect, between two stripe boards intersection is formed, and intersection has through hole, It is provided with tingle 3115A in a stripe board wherein, the length of tingle 3115A can be more than the width of stripe board Degree, is provided with the through hole for wearing bolt on tingle 3115A.In addition, stripe board can be independent with tingle 3115A Arrange, it is also possible to using a portion of stripe board as tingle 3115A.
The end of stripe board can also be corresponding with bracing element 3113, and stripe board can individually set with bracing element 3113 Put, it is also possible to one bending forming.
Secondly, as shown in figure 1, cover body 313 has cavity, one end of cover body 313 is blind end, and the other end is openend, 313 points of cover body is first and second, wherein first can be hollow round table-like structure, second is curved knot Structure, for example, dome shape, irregular etc., the knot of bracing frame 311 is changed according to the being adapted to property of difference of the structure of cover body 313 Structure.
Cover body 313 covers at the outside of bracing frame 311, first fixation that can fit with bracing frame 311, second interior Certain gap is provided between surface and first annular part 3111A.
Poling hole is offered at second, bearing and seal are installed in poling hole, seal can be rubber ring etc.. Can open up multiple blind holes away from second one end at first, can lay the securing members such as screw in blind hole, for Other structures connect, and close the cavity inside cover body 313.
Bracing frame 311 as wind speed measuring device 03 skeleton, for supporting cover body 313 so that wind speed measuring device 03 Intensity improve, prevent cover body 313 from occurring rocking, certainly, if the intensity of cover body 313 is enough, it is also possible to which bracing frame 311 is taken Disappear.
Then, as shown in figure 5, measuring wind speed part 33 includes Pitot tube 331 and signal processor 333, measuring wind speed part 33 Support is fixed on kuppe 31, for measuring wind speed.
The structure of Pitot tube 331 is not limited, for example, can be straight tube, bend pipe etc., and in the present embodiment, Pitot tube 331 is straight Pipe, one end of Pitot tube 331 stretched in the through hole of intersection, Pitot tube 331 through second poling hole and with bearing in Circle is fixed, and is sealed by seal between Pitot tube 331 and cover body 313.
With bearing as boundary, 331 points of Pitot tube is two parts, and a portion of Pitot tube 331 is located in cavity, and is passed through The through hole of the intersection of support member 3115, bearing causes Pitot tube 331 to fix, it is to avoid right caused by one end of Pitot tube 331 is sagging The destruction of seal.The another part of Pitot tube 331 is located at outside cavity, for detecting blast.
Pitot tube 331, also known as pitot, Pitot-static tube, are the one kind for measuring air-flow stagnation pressure and static pressure to determine air velocity Tube, is invented by Frenchman's H. skins support and is gained the name.Strictly speaking, Pitot tube 331 only measures air-flow stagnation pressure, also known as stagnation pressure Pipe;Simultaneously measure stagnation pressure, static pressure and just claim Pitot-static tube, but traditionally many Pitot-static tube is referred to as Pitot tube 331.
Signal processor 333 is used to detecting the blast information that Pitot tube 331 detects and the information is processed, Pi Tuo Connected by signal transmssion line between pipe 331 and signal processor 333.Signal processor 333 can be non-dismountable using welding etc. Mode be fixed on cover body 313 or bracing frame 311, it is also possible to be detachably secured to bracing frame 311, in the present embodiment, letter Number processor 333 is rectangular-shape, and signal processor 333 is fitted and be bolted with tingle 3115A.
Pitot tube 331 measures the principle of wind speed:Head is aligned to flow when testing the speed, aperture (pitot hole) sense at head center To flow stagnation pressure p0, Jing inner tubes are sent to pressure gauge.A round is equably provided with overcoat tube wall after head at about 3~8D (baroport), experiences to flow static pressure p, and Jing outer tubes also reach pressure gauge.For potential flows, according to Bernoulli equation and Energy equation can obtain gasflow mach number, and then seek speed again.Pitot hole has certain area, and what it was experienced is near stationary point Average pressure, slightly below stagnation pressure, the static pressure of baroport impression also has certain error, and other also have error as manufactured, installing, therefore Should add a correction factor ζ during measuring and calculating flow velocity.ζ values are corrected typically in the range of 0.98~1.05 in the air-flow of known speed Or Jing standard pitot tubes 331 are corrected and determined.The simple structure of Pitot tube 331, it is easy to use, have many uses.
It is prior art that the blast information of Pitot tube 331 is converted to wind speed information by signal processor 333, and here is no longer gone to live in the household of one's in-laws on getting married State.
In addition to strengthening the intensity of cover body 313, another effect of bracing frame 311 is for supporting measuring wind speed part 33, naturally it is also possible to which measuring wind speed part 33 is directly installed on cover body 313.
The operation principle of above-mentioned wind speed measuring device 03 is:Wind speed measuring device 03 is installed on into wind-driven generator (in reality Apply and do not embodied in example 1) on, airflow passes cover body 313 and Pitot tube 331, air-flow applies certain blast, skin to Pitot tube 331 Wind pressure signal is passed to signal processor 333 by trustship 331, and signal processor 333 is processed wind pressure signal, and by blast Signal output is wind speed information.
Embodiment of the present utility model 1 measures the wind speed on wind-driven generator using Pitot tube 331, disturbs less, essence Degree is very high, also, simple structure, use cost are relatively low, and Pitot tube 331 can follow kuppe 31 to rotate, not-easy-to-freeze, make wind Speed measuring device 03 can adapt to more rugged environment.
Embodiment 2:
Corresponding, as shown in fig. 6, the utility model embodiment 2 additionally provides a kind of wind-driven generator 100, the wind-force is sent out Motor 100 includes the wind speed measuring device 03 described in engine room cover top 01 and embodiment 1.
Jing applicant has found that the wind speed measured by existing measuring wind speed instrument is deposited with the wind speed of reality in real work In larger deviation, through long-term research, test, applicant have found the reason for causing the problem, i.e. air-flow and passes through finally Wind energy is absorbed during wind wheel so that wind speed decreased, and turbulivity also changes therewith, causes measurement data with real data not Symbol.In order to improve the problem, the embodiment of the present application 2 provides a solution, and wind speed measuring device 03 is arranged on into cabin On cover top 01, also, wind speed measuring device 03 is located at the front end of wind wheel, and wind speed measuring device 03 can directly be surveyed in wind wheel front end Amount wind speed, it is to avoid wind wheel is interfered to wind speed, and measurement data is more accurate.
It should be noted that in the case where not conflicting, the feature in embodiment in the utility model can be tied mutually Close.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.

Claims (10)

1. a kind of wind speed measuring device, it is characterised in that including kuppe (31) and measuring wind speed part (33), the kuppe (31) including cover body (313), the cover body (313) is provided with cavity, and one end of the cover body (313) is blind end, the cover The other end of body (313) is openend, and the measuring wind speed part (33) is including Pitot tube (331) and for receiving and processes described The signal processor (333) of Pitot tube (331) detection information, the Pitot tube (331) is through the blind end and from the sky Stretch out in chamber, the signal processor (333) is arranged in the cavity and is connected with the Pitot tube (331).
2. wind speed measuring device according to claim 1, it is characterised in that the kuppe (31) is also included for supporting The bracing frame (311) of the cover body (313), support frame as described above (311) is fixed on the inside of the cover body (313), the support Frame (311) includes multiple annular elements (3111) and multiple bracing elements (3113), between two adjacent annular elements (3111) Connected by the bracing element (3113).
3. wind speed measuring device according to claim 2, it is characterised in that one of them described annular element (3111) is One annular element (3111A), remaining described annular element (3111) is the second annular element (3111B), the first annular part (3111A) be internally provided with support member (3115), the signal processor (333) is fixedly installed on the support member (3115), the surface of the first annular part (3111A) is perpendicular or generally perpendicular with the axis of support frame as described above (311), described Second annular element (3111B) is fitted with the cover body (313), and the Pitot tube (331) is through the cover body (313) and described Support member (3115).
4. wind speed measuring device according to claim 3, it is characterised in that second annular element (3111B) it is close The side of the cover body (313) is provided with draw-in groove, and the bracing element (3113) is embedded in the draw-in groove.
5. the wind speed measuring device according to claim 2-4 any one, it is characterised in that the cover body (313) includes First and second, described first be hollow round table-like structure, described second one end for being arranged at described first And for curved structure, there is gap between the inner surface of described second and support frame as described above (311).
6. the wind speed measuring device according to claim 3 or 4, it is characterised in that the processor body and the support Frame (311) removably connects.
7. wind speed measuring device according to claim 6, it is characterised in that support frame as described above (311) is including tingle (3115A), the processor body is fitted and is bolted with the tingle (3115A).
8. the wind speed measuring device according to claim 1-4 any one, it is characterised in that the Pitot tube (331) is led to Cross bearing and be rotatably arranged at the cover body (313), by sealing between the Pitot tube (331) and the cover body (313) Circle sealing.
9. a kind of wind-driven generator, it is characterised in that the wind-driven generator (100) is including engine room cover top (01) and claim Wind speed measuring device (03) described in 1-8 any one, the wind speed measuring device (03) is installed on the engine room cover top (01).
10. wind-driven generator according to claim 9, it is characterised in that the wind speed measuring device (03) is arranged at institute State the wind wheel front end of wind-driven generator (100).
CN201621167256.2U 2016-10-31 2016-10-31 Air speed measuring device and aerogenerator Active CN206114696U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621167256.2U CN206114696U (en) 2016-10-31 2016-10-31 Air speed measuring device and aerogenerator

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Application Number Priority Date Filing Date Title
CN201621167256.2U CN206114696U (en) 2016-10-31 2016-10-31 Air speed measuring device and aerogenerator

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CN206114696U true CN206114696U (en) 2017-04-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108710003A (en) * 2018-08-01 2018-10-26 中科传启(苏州)科技有限公司 Zero method of calibration equipment and its school for carrying out school zero to ultrasonic wind velocity indicator
CN109089403A (en) * 2018-09-19 2018-12-25 常州博瑞电力自动化设备有限公司 A kind of excitation rectifier cabinet radiator structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108710003A (en) * 2018-08-01 2018-10-26 中科传启(苏州)科技有限公司 Zero method of calibration equipment and its school for carrying out school zero to ultrasonic wind velocity indicator
CN109089403A (en) * 2018-09-19 2018-12-25 常州博瑞电力自动化设备有限公司 A kind of excitation rectifier cabinet radiator structure
CN109089403B (en) * 2018-09-19 2024-03-26 常州博瑞电力自动化设备有限公司 Excitation rectifier cabinet heat radiation structure

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Address after: 102200 31 Industrial Park, North Qing Road, Beijing, Changping District

Patentee after: Sany Heavy Energy Co.,Ltd.

Address before: 102200 31 Industrial Park, North Qing Road, Beijing, Changping District

Patentee before: SANY HEAVY ENERGY Co.,Ltd.

Address after: 102200 31 Industrial Park, North Qing Road, Beijing, Changping District

Patentee after: SANY HEAVY ENERGY Co.,Ltd.

Address before: 102200 31 Industrial Park, North Qing Road, Beijing, Changping District

Patentee before: SANY HEAVY ENERGY EQUIPMENT Co.,Ltd.