CN112653276A - Split type rotor lead-out wire structure of wind driven generator - Google Patents
Split type rotor lead-out wire structure of wind driven generator Download PDFInfo
- Publication number
- CN112653276A CN112653276A CN202011524954.4A CN202011524954A CN112653276A CN 112653276 A CN112653276 A CN 112653276A CN 202011524954 A CN202011524954 A CN 202011524954A CN 112653276 A CN112653276 A CN 112653276A
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- CN
- China
- Prior art keywords
- sleeve
- conducting rod
- generator
- split type
- wind driven
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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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
- H02K3/51—Fastening of winding heads, equalising connectors, or connections thereto applicable to rotors only
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention discloses a split type rotor outgoing line structure of a wind driven generator, wherein a split type insulating sleeve of the split type rotor outgoing line structure consists of a bottom sleeve, a middle sleeve and a top sleeve; conductive rod inserting holes are respectively formed in the bottom sleeve, the middle sleeve and the top sleeve; the side wall of the bottom sleeve is provided with an electrical connection hole which is communicated with each conducting rod insertion hole and corresponds to each conducting rod insertion hole; the outer circumferential surface of the middle section sleeve is distributed with a plurality of thread inserts, and through holes which are in one-to-one correspondence with the thread inserts are arranged on a generator shaft; a drawing thread insert is arranged on the front end face of the top sleeve; the conducting rod is inserted into the bottom sleeve, the middle sleeve and the top sleeve, the bottom sleeve, the middle sleeve and the top sleeve are sequentially spliced and arranged in a shaft hole of the generator, and the total length of the conducting rod is matched with the length of the shaft hole of the generator. The invention can improve the structural stability and reliability of the outgoing line part.
Description
Technical Field
The invention relates to a split type rotor lead-out wire structure of a wind driven generator, which is used in the field of motor manufacturing.
Background
The outgoing line of the wind driven generator rotor mainly plays a role in connecting the internal winding of the generator rotor with the frequency converter. The traditional rotor lead-out wire is the self-control copper bar of cable conductor or outsourcing insulation, cable conductor usually. Due to the characteristics of low voltage and large current of the wind driven generator and the trend of continuously improving the capacity of a single machine, the reliability requirement of the rotor lead-out wire is continuously improved, and the traditional rotor lead-out wire is difficult to meet the process requirement of application. The main problem is that the doubly-fed generator is used for rotor excitation, a variable frequency power supply provided by a converter needs to be introduced into a rotor winding, so that an outgoing line in the middle directly bears the impact of the variable frequency power supply, the rotor rotates at a high speed, and the outgoing line needs to consider the mechanical fixing problem. The leading-out wire is a key node of the motor, once the leading-out wire is damaged, the rotor is directly grounded, instantaneous high current is caused, and even a rotor winding of the generator and a power module of the converter can be damaged. So that the whole unit cannot normally generate electricity. Developing a robust rotor lead-out structure is a major goal of the skilled artisan.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a split rotor lead-out wire structure of a wind driven generator, which can improve the structural stability and reliability of the lead-out wire part.
One technical scheme for achieving the purpose is as follows: a split type rotor outgoing line structure of a wind driven generator comprises a split type insulating sleeve and a conducting rod, wherein the split type insulating sleeve consists of a bottom sleeve, a middle sleeve and a top sleeve;
conductive rod inserting holes are respectively formed in the bottom sleeve, the middle sleeve and the top sleeve;
the side wall of the bottom sleeve is provided with an electrical connection hole which is communicated with each conducting rod insertion hole and corresponds to each conducting rod insertion hole;
the outer circumferential surface of the middle section sleeve is distributed with a plurality of thread inserts, and through holes which are in one-to-one correspondence with the thread inserts are arranged on a generator shaft;
a drawing thread insert is arranged on the front end face of the top sleeve;
the conducting rod is inserted into the bottom sleeve, the middle sleeve and the top sleeve, the bottom sleeve, the middle sleeve and the top sleeve are sequentially spliced and arranged in a shaft hole of the generator, and the total length of the conducting rod is matched with the length of the shaft hole of the generator.
Furthermore, the split type insulating sleeve is made of high-temperature and low-temperature resistant polymer resin through die pressure casting.
Furthermore, epoxy pipes are arranged in the conductive rod inserting holes of the bottom sleeve, the middle sleeve and the top sleeve, and the conductive rods are inserted in the epoxy pipes.
According to the split rotor lead-out wire structure of the wind driven generator, the insulating sleeve is split, the two ends of the conducting rod are provided with the connecting screw holes and the through holes, the conducting rod is assembled in the epoxy pipe, the split insulating sleeve is assembled on the outer side of the conducting rod, and the conducting rod is screwed in the bolt from the outside through the steel threaded insert, so that the conducting rod is fixedly connected with a generator shaft. Each conducting rod and the insulating sleeve assembly are inlaid with steel threaded inserts according to different position structures and fixing requirements and can be prefabricated in advance according to the structural design of the motor. The invention solves the problems of poor mechanical fixing effect and easy abrasion of the external insulation of the electric conductor. Meanwhile, external insulation is not required to be manually wrapped, so that the labor is reduced, and the quality problem is avoided. The reliability of the generator is improved, and the manufacturing cost is reduced. The structure is simpler and more reasonable, and the implementation is easy.
Drawings
FIG. 1 is a schematic structural diagram of a split rotor lead-out wire structure of a wind driven generator according to the present invention;
FIG. 2 is a front view of a bottom sleeve 1 of a split rotor lead-out structure of a wind driven generator according to the present invention;
FIG. 3 is a sectional view taken along line B-B of FIG. 2;
FIG. 4 is a front view of the middle sleeve 2 of the split rotor lead-out structure of the wind driven generator of the present invention;
fig. 5 is a cross-sectional view of the top sleeve 3 of the split rotor lead-out wire structure of the wind driven generator.
Detailed Description
In order to better understand the technical solution of the present invention, the following detailed description is made by specific examples:
referring to fig. 1, the split rotor lead-out wire structure of the wind driven generator of the present invention is composed of a bottom sleeve 1, a middle sleeve 2, a top sleeve 3, an epoxy tube 4 and a conductive rod 5. Wherein, three-phase conducting rod inserting holes are respectively arranged in the bottom sleeve 1, the middle sleeve 2 and the top sleeve 3. The bottom sleeve 1, the middle sleeve 2 and the top sleeve 3 are made of high-temperature and low-temperature resistant polymer resin and are formed by die pressure casting.
Referring to fig. 2 and 3, the sidewall of the bottom sleeve 1 is provided with an electrical connection hole 11 corresponding to each of the conductive rod insertion holes and leading to the conductive rod insertion hole. Referring to fig. 4, 3 threaded inserts 21 are distributed on the outer circumferential surface of the middle sleeve 2, and through holes corresponding to the threaded inserts one to one are formed on the generator shaft for fixing the rotor lead-out wires during assembly. Referring to fig. 5, the front end surface of the top sleeve 3 is provided with a drawing thread insert 31 for subsequent maintenance.
The epoxy tube 4 is sleeved outside the conductive rod 5 and used for protecting the conductive rod 5. The conducting rod 5 is made of red copper, the structure can be in a whole copper rod or multi-strand stranded wire form, and the specific size and form are determined according to the passing voltage and current values.
The conducting rod is protected by a split type insulating sleeve and is fixed in a shaft hole of the generator. The insulating sleeve can be manufactured in advance. According to the actual length in shaft hole, choose the length of epoxy pipe and conducting rod for use, assemble again. And then may be bolted. The conducting rod as a key electrical connector is well protected, and after the structure is adopted, the rotor outgoing line as a whole cannot be influenced by manual operation, and meanwhile, the rotor outgoing line is convenient to install, and the reliability of the whole machine is improved.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (3)
1. A split type rotor outgoing line structure of a wind driven generator comprises a split type insulating sleeve and a conducting rod, and is characterized in that the split type insulating sleeve consists of a bottom sleeve, a middle sleeve and a top sleeve;
conductive rod inserting holes are respectively formed in the bottom sleeve, the middle sleeve and the top sleeve;
the side wall of the bottom sleeve is provided with an electrical connection hole which is communicated with each conducting rod insertion hole and corresponds to each conducting rod insertion hole;
the outer circumferential surface of the middle section sleeve is distributed with a plurality of thread inserts, and through holes which are in one-to-one correspondence with the thread inserts are arranged on a generator shaft;
a drawing thread insert is arranged on the front end face of the top sleeve;
the conducting rod is inserted into the bottom sleeve, the middle sleeve and the top sleeve, the bottom sleeve, the middle sleeve and the top sleeve are sequentially spliced and arranged in a shaft hole of the generator, and the total length of the conducting rod is matched with the length of the shaft hole of the generator.
2. The split rotor outgoing line structure of the wind driven generator as claimed in claim 1, wherein the split insulation sleeve is made of high and low temperature resistant polymer resin by pressure casting with a mold.
3. The split rotor outgoing line structure of the wind driven generator as claimed in claim 1, wherein epoxy tubes are respectively disposed in the conductive rod insertion holes of the bottom sleeve, the middle sleeve and the top sleeve, and the conductive rods are inserted into the epoxy tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011524954.4A CN112653276A (en) | 2020-12-22 | 2020-12-22 | Split type rotor lead-out wire structure of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011524954.4A CN112653276A (en) | 2020-12-22 | 2020-12-22 | Split type rotor lead-out wire structure of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112653276A true CN112653276A (en) | 2021-04-13 |
Family
ID=75358866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011524954.4A Pending CN112653276A (en) | 2020-12-22 | 2020-12-22 | Split type rotor lead-out wire structure of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112653276A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11692856B1 (en) | 2022-06-03 | 2023-07-04 | Nidec Motor Corporation | Rotary encoder shaft clamp |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4271369A (en) * | 1975-06-10 | 1981-06-02 | The United States Of America As Represented By The United States Department Of Energy | Homopolar machine for reversible energy storage and transfer systems |
| JPH0652349U (en) * | 1992-12-18 | 1994-07-15 | 株式会社明電舎 | Rotating electric machine with winding connection insulation |
| CN101752768A (en) * | 2008-12-15 | 2010-06-23 | 上海摩根碳制品有限公司 | Insulation structure used for collecting ring and brush gear in wind-driven generator |
| CN101916954A (en) * | 2010-07-30 | 2010-12-15 | 温州市龙电绝缘材料有限公司 | Assembled collecting ring |
| CN204046300U (en) * | 2014-09-18 | 2014-12-24 | 湘潭电机股份有限公司 | A kind of Wound-rotor type generator amature outlet fixing structure |
| CN106602376A (en) * | 2016-12-30 | 2017-04-26 | 摩腾科技（上海）有限公司 | Collector ring |
| CN208674556U (en) * | 2018-09-11 | 2019-03-29 | 江苏山水节能服务股份有限公司 | A kind of street lamp adapter with electric interfaces |
-
2020
- 2020-12-22 CN CN202011524954.4A patent/CN112653276A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4271369A (en) * | 1975-06-10 | 1981-06-02 | The United States Of America As Represented By The United States Department Of Energy | Homopolar machine for reversible energy storage and transfer systems |
| JPH0652349U (en) * | 1992-12-18 | 1994-07-15 | 株式会社明電舎 | Rotating electric machine with winding connection insulation |
| CN101752768A (en) * | 2008-12-15 | 2010-06-23 | 上海摩根碳制品有限公司 | Insulation structure used for collecting ring and brush gear in wind-driven generator |
| CN101916954A (en) * | 2010-07-30 | 2010-12-15 | 温州市龙电绝缘材料有限公司 | Assembled collecting ring |
| CN204046300U (en) * | 2014-09-18 | 2014-12-24 | 湘潭电机股份有限公司 | A kind of Wound-rotor type generator amature outlet fixing structure |
| CN106602376A (en) * | 2016-12-30 | 2017-04-26 | 摩腾科技（上海）有限公司 | Collector ring |
| CN208674556U (en) * | 2018-09-11 | 2019-03-29 | 江苏山水节能服务股份有限公司 | A kind of street lamp adapter with electric interfaces |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11692856B1 (en) | 2022-06-03 | 2023-07-04 | Nidec Motor Corporation | Rotary encoder shaft clamp |
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Application publication date: 20210413 |