CN204928518U - Asynchronous starting synchronous operation permanent magnetism coupling soft starter - Google Patents
Asynchronous starting synchronous operation permanent magnetism coupling soft starter Download PDFInfo
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- CN204928518U CN204928518U CN201520516128.3U CN201520516128U CN204928518U CN 204928518 U CN204928518 U CN 204928518U CN 201520516128 U CN201520516128 U CN 201520516128U CN 204928518 U CN204928518 U CN 204928518U
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Abstract
The utility model discloses an asynchronous starting synchronous operation permanent magnetism coupling soft starter, including input shaft, the output shaft of coaxial setting, its characterized in that still includes winding rotor, output permanent magnet rotor and is located the input permanent magnet rotor between the two, input permanent magnet rotor installs on its pivoted input shaft of drive, and the winding rotor passes through the bearing and installs on the input shaft, output permanent magnet rotor with output shaft fixed connection, and through the bearing with input shaft, the winding rotor comprises the spider of coil, iron core and fixed iron core, and input permanent magnet rotor, output permanent magnet rotor constitute the spider of winding rotor and output permanent magnet rotor's spider rigid connection by the spider of permanent magnet and installation permanent magnet. The utility model discloses asynchronous starting synchronous operation permanent magnetism coupling soft starter can reduce power loss, realizes the efficient power transmission.
Description
Technical field
The utility model belongs to mechanical field, relates to a kind of transmission mechanism, is specially a kind of asynchronous starting synchronous operation permanent magnet coupling soft initiator.
Background technology
Asynchronous starting permanent magnet synchronous motor is development in recent years a kind of permagnetic synchronous motor faster.From the later stage eighties 20th century, a large amount of scholar is had to be engaged in the research work of this respect both at home and abroad, and use it for industrial production, through the development of nearly 10 years, the especially extensive use of high performance permanent magnetic materials neodymium iron boron, because its rotor loss declines, armature exciting curent reduces, efficiency is high, in small-power to mid power occasion, has the trend of alternative cage rotor asynchronous machine.Meanwhile, have again certain learning value to the research of asynchronous starting permanent magnet synchronous motor, it has merged the characteristic of asynchronous machine and magneto.
The field system of asynchronous starting permanent magnet synchronous motor is made up of one or more permanent magnet, normally in the inside of the cage-type rotor be welded with cast aluminium or copper bar, the magnetic pole of permanent magnet is studded with by required number of poles dress, stator structure and asynchronous motor similar, after stator winding switches on power, motor starts dynamic turning with asynchronous motor principle, when accelerated service is to synchronous speed, rotor pulls in by the synchronous electric magnetic torque (reluctance torque that the electromagnetic torque produced by rotor permanent magnet magnetic field and stator field produce is synthesized) produced by rotor permanent magnet magnetic field and stator field, motor enters synchronous operation.
Utility model content
Technical purpose of the present utility model improves on the basis of existing technology, provides a kind of asynchronous starting synchronous operation permanent magnet coupling soft initiator.
The technical scheme that the utility model provides is:
A kind of asynchronous starting synchronous operation permanent magnet coupling soft initiator, comprise the coaxial power shaft, the output shaft that arrange, it is characterized in that, the input p-m rotor also comprising wound rotor, output p-m rotor and be positioned at therebetween, described input p-m rotor is arranged on and drives on its power shaft rotated, wound rotor is arranged on power shaft by bearing, and output p-m rotor is fixedly connected with described output shaft, and is connected with described power shaft by bearing; Described wound rotor is made up of the rotor field spider of coil, iron core and secured core, input p-m rotor, output p-m rotor are made up of the rotor field spider of permanent magnet and installation permanent magnet, and the rotor field spider of wound rotor and the rotor field spider of output p-m rotor are rigidly connected.
Further, on described input p-m rotor, permanent magnet is embedded on rotor field spider throughly, and its side magnetic pole is relative with the magnetic pole on output p-m rotor, and opposite side magnetic pole is relative with iron core with the coil on wound rotor.
The rotor field spider of described output p-m rotor connects the stopper protrusion being provided with a circle arc in the axis hole of power shaft, and the side connecting the outer ring of the bearing of output p-m rotor and power shaft is against in described stopper protrusion.
The utility model asynchronous starting synchronous operation permanent magnet coupling soft initiator belongs to the correcting of asynchronous starting permanent magnet synchronous motor, novel in structural design, is easy to realize, can significantly improves power transmission efficiency, reduce power loss, be applicable to requiring that efficient workplace uses.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model one embodiment.
Embodiment
In order to illustrate the technical solution of the utility model and technical purpose, below in conjunction with drawings and the specific embodiments, the utility model is described further.
Asynchronous starting synchronous operation permanent magnet coupling soft initiator as shown in Figure 1, comprise the building blocks such as power shaft 1, output shaft 6, wound rotor 2, input p-m rotor 3 and output p-m rotor 5, described input p-m rotor 3, between wound rotor 2 and output p-m rotor 5, leaves air gap before input p-m rotor 3 and wound rotor 2.
A specific embodiment as shown in Figure 2:
Described input p-m rotor 3 is made up of permanent magnet and rotor field spider, and described permanent magnet is uniformly distributed along the circumference and is arranged on rotor field spider, and its rotor field spider is arranged on described power shaft 1, is driven rotate by power shaft.
Described wound rotor 2 is made up of (winding) coil, iron core and rotor field spider, and coil is embedded in the wire casing of iron core, is arranged on rotor field spider.The rotor field spider of described wound rotor 2 is enclosed within described power shaft by bearing 7.
Described output p-m rotor 5 is made up of the rotor field spider of permanent magnet and installation permanent magnet, and its permanent magnet is uniformly distributed along the circumference and is arranged on rotor field spider.Rotor field spider one end of output p-m rotor 5 is enclosed within the end of power shaft 7 by bearing 8, one end is fixedly connected with output shaft 6, and driver output axle 6 rotates.Be provided with the stopper protrusion 9 of a circle arc in the rotor field spider axis hole of described output p-m rotor 5, the side of bearing 8 outer ring is against in described stopper protrusion 9.
The rotor field spider of wound rotor 2 and the rotor field spider outer rim of output p-m rotor 5 are rigidly connected by support 4, the synchronous axial system of both guarantees.
Operation principle:
Power shaft 1 drives input p-m rotor 3 to start in advance, produces rotating magnetic field, and on static wound rotor 2, the coil-conductor cutting rotating magnetic field magnetic line of force, produces induced current, and then produce induced field.This induced field and permanent magnetic field interact and produce moment of torsion, and wound rotor 2 is rotated.Wherein the rotating magnetic field of wound rotor 2 slower than the magnetic field of input p-m rotor 3, have slip, be asynchronous starting; Output p-m rotor 5 is rigidly connected by support 4 and wound rotor 2, rotate (staring torque being output p-m rotor 5) with wound rotor 2 simultaneously, output p-m rotor 5 forms constant magnetic field with input p-m rotor 3 under the effect of staring torque, such output p-m rotor 5 is followed input p-m rotor 3 to rotate together and is synchronously synchronous operation, finally makes power shaft 1 and output shaft 6 can be issued to the effect of synchronous operation in the condition of asynchronous starting.
Prove according to many experiments, selecting suitable permanent magnetic material, after setting suitable magnet size, winding data, the utility model embodiment transmission efficiency close to 100%, can complete efficient transmission of power.
In above-described embodiment, on described input p-m rotor 3, permanent magnet can adopt the mode of through installation to be embedded on rotor field spider, and make its side magnetic pole relative with the magnetic pole on output p-m rotor 5, opposite side magnetic pole is relative with iron core with the coil on wound rotor 2.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and the claimed scope of the utility model is defined by appending claims, specification and equivalent thereof.
Claims (3)
1. an asynchronous starting synchronous operation permanent magnet coupling soft initiator, comprise the coaxial power shaft (1), the output shaft (6) that arrange, it is characterized in that, the input p-m rotor (3) also comprising wound rotor (2), output p-m rotor (5) and be positioned at therebetween, described input p-m rotor (3) is arranged on and drives on its power shaft (1) rotated, wound rotor (2) is arranged on power shaft (1) by bearing, output p-m rotor (5) is fixedly connected with described output shaft (6), and is connected with described power shaft (1) by bearing; Described wound rotor (2) is made up of the rotor field spider of coil, iron core and secured core, input p-m rotor (3), output p-m rotor (5) are made up of the rotor field spider of permanent magnet and installation permanent magnet, and the rotor field spider of wound rotor (2) and the rotor field spider of output p-m rotor (5) are rigidly connected.
2. a kind of asynchronous starting synchronous operation permanent magnet coupling soft initiator according to claim 1, it is characterized in that, on described input p-m rotor (3), permanent magnet is embedded on rotor field spider throughly, its side magnetic pole is relative with the magnetic pole on output p-m rotor (5), and opposite side magnetic pole is relative with iron core with the coil on wound rotor (2).
3. a kind of asynchronous starting synchronous operation permanent magnet coupling soft initiator according to claim 1 and 2, it is characterized in that, be provided with the stopper protrusion (9) of a circle arc in the axis hole of output p-m rotor (5) rotor field spider, the side connecting bearing (8) outer ring of output p-m rotor (5) and power shaft (1) is against in described stopper protrusion (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520516128.3U CN204928518U (en) | 2015-07-16 | 2015-07-16 | Asynchronous starting synchronous operation permanent magnetism coupling soft starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520516128.3U CN204928518U (en) | 2015-07-16 | 2015-07-16 | Asynchronous starting synchronous operation permanent magnetism coupling soft starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204928518U true CN204928518U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520516128.3U Active CN204928518U (en) | 2015-07-16 | 2015-07-16 | Asynchronous starting synchronous operation permanent magnetism coupling soft starter |
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| CN (1) | CN204928518U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477150A (en) * | 2017-08-17 | 2017-12-15 | 宁夏天地奔牛实业集团有限公司 | Coal mine scraper conveyor starts intelligent transmission system with flexible |
| CN113991957A (en) * | 2021-11-17 | 2022-01-28 | 长沙理工大学 | Single-phase double-magnetic-circuit permanent magnet motor and driving method |
-
2015
- 2015-07-16 CN CN201520516128.3U patent/CN204928518U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477150A (en) * | 2017-08-17 | 2017-12-15 | 宁夏天地奔牛实业集团有限公司 | Coal mine scraper conveyor starts intelligent transmission system with flexible |
| CN107477150B (en) * | 2017-08-17 | 2020-01-24 | 宁夏天地奔牛实业集团有限公司 | Flexible starting intelligent transmission system for coal mine scraper conveyor |
| CN113991957A (en) * | 2021-11-17 | 2022-01-28 | 长沙理工大学 | Single-phase double-magnetic-circuit permanent magnet motor and driving method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |