CN205336031U - Wind generating set change oar low pressure AC motor for system - Google Patents
Wind generating set change oar low pressure AC motor for system Download PDFInfo
- Publication number
- CN205336031U CN205336031U CN201521087100.9U CN201521087100U CN205336031U CN 205336031 U CN205336031 U CN 205336031U CN 201521087100 U CN201521087100 U CN 201521087100U CN 205336031 U CN205336031 U CN 205336031U
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- CN
- China
- Prior art keywords
- air duct
- generating set
- wind generating
- motor
- encoder
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- 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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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a wind generating set change oar low pressure AC motor for system. A wind generating set change oar low pressure AC motor for system includes that encoder, encoder mounting disc, three spinal branch vaulting poles, single phase power hold formula axial fan, fan mounting disc, dryer, the encoder passes through the one end of encoder mounting disc is fixed in the motor tail end, fixed being provided with of the other end of encoder mounting disc is used for supporting three spinal branch vaulting poles of fan mounting disc, single phase power holds formula axial fan and passes through the fix with screw in the fan mounting disc, the dryer cover is located single phase power holds outside the formula axial fan. The utility model provides a pair of wind generating set change oar low pressure AC motor for system simple structure, simple to operate, the maintenance of being convenient for.
Description
Technical field
This utility model relates to machine field, is specifically related to a kind of wind generating set pitch control system low-voltage alternating-current motor。
Background technology
The pitch motor that current most domestic wind generating set pitch control system adopts is permanent magnet DC motor or high-voltage AC motor, its structure is similar with common electric machine, motor has self structure complexity, manufacturing cost is high, shock resistance is poor, maintenance cost is high, installation is inconvenient, cause application surface wideless, use the shortcomings such as not high, the system price passively rising of frequency。Owing to fan operation environment is general comparatively severe, pitch motor is also easily out of order needs to carry out regular maintenance, and motor installation wheel hub space is comparatively narrow and small, the particularly axial insufficient space of motor, is not easy to Maintenance and Repair。
Therefore this area need a kind of simple in construction, easy for installation, be easy to maintenance a kind of wind generating set pitch control system low-voltage alternating-current motor。
Utility model content
For overcoming the deficiency of a kind of wind generating set pitch control system low-voltage alternating-current motor in prior art, this utility model provide a kind of simple in construction, easy for installation, be easy to maintenance a kind of wind generating set pitch control system low-voltage alternating-current motor。Concrete scheme is as follows:
Described a kind of wind generating set pitch control system low-voltage alternating-current motor, it is characterized in that, including encoder, encoder mounting disk, three support bars, single-phase capacitance formula axial flow blower, assembling dish, air ducts, described encoder is fixed on motor tail end by one end of described encoder mounting disk, the other end of described encoder mounting disk is fixedly installed three support bars for supporting described assembling dish, described single-phase capacitance formula axial flow blower is fixed on assembling dish by screw, and described air duct is sheathed on outside described single-phase capacitance formula axial flow blower。
According to a preferred embodiment of the present utility model, described air duct includes dismountable air duct left-half and air duct right half part, and described air duct left-half and air duct right half part are connected by nut。
According to a preferred embodiment of the present utility model, three described support bars be 120 ° uniform。
According to a preferred embodiment of the present utility model, described single-phase capacitance formula axial flow blower is single-phase capacitance formula external rotor axial-flow fan。
According to a preferred embodiment of the present utility model, described assembling plate edge has the semicircle groove that radius is 10mm, and described semicircle groove place is provided with the wire bushing for protecting blower fan to go between。
According to a preferred embodiment of the present utility model, described nut is standard riveting nut。
The technical scheme that this utility model provides has the advantages that
1, cooling blower adopts single-phase capacitance formula axial flow outer rotor blower fan, applicable wind power pitch-controlled system specific environment, directly replaces, it is not necessary to increase complicated structure, simple in construction；
2, adopt the mode that 120 ° of distributed support bars support assembling dish to carry out three-phase alternating current cooling blower installation, facilitate the installation of three-phase alternating current cooling blower, there is effect easy for installation；
3, air duct adopts double-open type structure, solves the detection difficult problem that narrow space causes, it is simple to maintenance；It is effectively shortened the axial length of motor, it is achieved that maintenance to motor in narrow space；Double-open type air duct side is groove structure, and side is via structure so that fan housing can half side directly take off, and makes easy to maintenance。
Except purpose described above, feature and advantage, this utility model also has other purpose, feature and advantage。Below with reference to accompanying drawings, this utility model is described in further detail。
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below the accompanying drawing used required during embodiment is described is briefly described, apparently, drawings discussed below is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the sectional view of a kind of wind generating set pitch control system low-voltage alternating-current motor that this utility model provides；
Fig. 2 is the structural representation of blower fan mounting disc in Fig. 1；
Fig. 3 is the front view of air duct the first half in Fig. 1；
Fig. 4 is the left view of air duct the first half in Fig. 3；
Fig. 5 is the front view of air duct the latter half in Fig. 1；
Fig. 6 is the left view of air duct the latter half in Fig. 5；
In figure: 1, rotor, 2, drive end bearing bracket, 3, outlet box, 4, support assembly, 5, rear end cap, 6, brake, 7, encoder mounting disk, 8, encoder, 9, support bar, 10, assembling dish, 11, single-phase capacitance formula axial flow blower, 12, air duct, 12-1, air duct left-half, 12-2, air duct right half part, 13, nut。
Detailed description of the invention
Below in conjunction with accompanying drawing of the present utility model, the technical scheme in this utility model embodiment is carried out clear, complete description, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments。
Referring to Fig. 1, described a kind of wind generating set pitch control system low-voltage alternating-current motor includes rotor 1, drive end bearing bracket 2, outlet box 3, support assembly 4, rear end cap 5, brake 6, encoder mounting disk 7, encoder 8, support bar 9, assembling dish 10, single-phase capacitance formula axial flow blower 11, air duct 12。
Described encoder 8 is fixed on motor tail end by one end of described encoder mounting disk 7, the other end of described encoder mounting disk 7 is fixedly installed three support bars 9 for supporting described assembling dish 10, described single-phase capacitance formula axial flow blower 11 is fixed on assembling dish 10 by screw, and described air duct 12 is sheathed on outside described single-phase capacitance formula axial flow blower 11。
In wind-driven variable pitch system, the position installing pitch motor is fairly limited, particularly more nervous at the axial space of motor installation。For limited space can be utilized preferably, the three-phase alternating current cooling blower of this motor is replaced with single-phase capacitance formula axial flow outer rotor blower fan by the technical program, compared to its small volume of three-phase alternating current cooling blower, can effectively meet the system requirement to motor axial space。
In order to solve the installation question of single-phase capacitance formula axial flow outer rotor blower fan, adopt mode separately installed to blower fan and air duct 12, single-phase capacitance formula axial flow outer rotor blower fan is arranged on motor tail end。Concrete mounting means is to install described support bar 9 three 120 ° uniform on the described encoder mounting disk 7 of motor tail end for supporting described assembling dish 10, then is fixed on described assembling dish 10 by screw by single-phase capacitance formula axial flow outer rotor blower fan。This mounting means can make the structure of motor more compact, saves installing space further。
Preferably, injury-free when traverse for guaranteeing that blower fan goes between, at described one R10 semicircle groove of assembling dish 10 side opening, and wire bushing is installed。
Owing to wind-driven generator unit is in running, needs regularly pitch motor to be detected and overhaul, and pitch motor is arranged on narrow space, is not easy in the wheel hub of maintenance。For solving this problem, described air duct 12 is designed to double-open type structure, it is distinctive in that with common fan housing it by left-half and has half part to merge to form, fixed by screw as a whole, can open when maintenance, take out without by overall for air duct 12。For convenience of described the arbitrary of air duct 12 partly being taken out, double-open type air duct 12 adopts side to be groove structure, and side is the form of via structure, and at the left side field riveting nut of described air duct left-half 12-1, it is simple to the dismounting of screw。Screw only need to be unscrewed just can directly be taken off the side of described air duct 12 when maintenance by this structure, is not only convenient for maintenance, also effectively saves axial space。
Detailed description of the invention
Referring to Fig. 2, described assembling dish 10 is disk-shaped structure, utilizes hole, uniform 4 to be fixed on assembling dish 10 by single-phase capacitance formula axial flow blower, utilizes hole, uniform 3 to be fixed on support bar 9 by assembling dish 10。
Refer to Fig. 3～Fig. 6, Fig. 3 and Fig. 4 is front view and the left view of described air duct left-half 12-1, Fig. 5 and Fig. 6 is front view and the left view of described air duct right half part 12-2, described air duct left-half 12-1 and described air duct right half part 12-2 utilizes nut 13 to be riveted together and become columnar air duct 12, described nut 13 is standard riveting nut, to facilitate the dismounting of screw, the complete described air duct 12 after assembling is fixed in motor tail end。
The foregoing is only embodiment of the present utility model; not thereby scope of patent protection of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to make or equivalence flow process conversion; directly or indirectly it is used in other relevant technical field, all in like manner includes in scope of patent protection of the present utility model。
Claims (6)
1. a wind generating set pitch control system low-voltage alternating-current motor, it is characterized in that, including encoder (8), encoder mounting disk (7), three support bars (9), single-phase capacitance formula axial flow blower (11), assembling dish (10), air duct (12), described encoder (8) is fixed on motor tail end by one end of described encoder mounting disk (7), the other end of described encoder mounting disk (7) is fixedly installed three support bars (9) for supporting described assembling dish (10), described single-phase capacitance formula axial flow blower (11) is fixed on assembling dish (10) by screw, described air duct (12) is sheathed on described single-phase capacitance formula axial flow blower (11) outward。
2. a kind of wind generating set pitch control system low-voltage alternating-current motor according to claim 1, it is characterized in that, described air duct (12) is included dismountable air duct left-half (12-1) and air duct right half part (12-2), described air duct left-half (12-1) and air duct right half part (12-2) and is connected by nut (13)。
3. a kind of wind generating set pitch control system low-voltage alternating-current motor according to claim 1, it is characterised in that three described support bars (9) are uniform in 120 °。
4. a kind of wind generating set pitch control system low-voltage alternating-current motor according to claim 1, it is characterised in that described single-phase capacitance formula axial flow blower (11) is single-phase capacitance formula external rotor axial-flow fan。
5. a kind of wind generating set pitch control system low-voltage alternating-current motor according to claim 1; it is characterized in that; described assembling dish (10) edge has the semicircle groove that radius is 10mm, and described semicircle groove place is provided with the wire bushing for protecting blower fan to go between。
6. a kind of wind generating set pitch control system low-voltage alternating-current motor according to claim 2, it is characterised in that described nut (13) is standard riveting nut。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521087100.9U CN205336031U (en) | 2015-12-24 | 2015-12-24 | Wind generating set change oar low pressure AC motor for system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521087100.9U CN205336031U (en) | 2015-12-24 | 2015-12-24 | Wind generating set change oar low pressure AC motor for system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205336031U true CN205336031U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521087100.9U Expired - Fee Related CN205336031U (en) | 2015-12-24 | 2015-12-24 | Wind generating set change oar low pressure AC motor for system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205336031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401302A (en) * | 2019-06-26 | 2019-11-01 | 苏州朗高电机有限公司 | A kind of asynchronous pitch motor |
-
2015
- 2015-12-24 CN CN201521087100.9U patent/CN205336031U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401302A (en) * | 2019-06-26 | 2019-11-01 | 苏州朗高电机有限公司 | A kind of asynchronous pitch motor |
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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 |
Granted publication date: 20160622 Termination date: 20201224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |