CN107612259B - Oil-resistant high-power-density high-speed permanent magnet synchronous motor - Google Patents
Oil-resistant high-power-density high-speed permanent magnet synchronous motor Download PDFInfo
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- CN107612259B CN107612259B CN201711049178.5A CN201711049178A CN107612259B CN 107612259 B CN107612259 B CN 107612259B CN 201711049178 A CN201711049178 A CN 201711049178A CN 107612259 B CN107612259 B CN 107612259B
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The invention discloses an oil-resistant high-power-density high-speed permanent magnet synchronous motor, which structurally comprises an oil filling port, a machine body, a positive electrode power supply connector, a negative electrode power supply connector, a fixed seat and a rotating shaft, wherein the rotating shaft consists of a shaft body, a dust blocking ring, a slip ring, a permanent magnet, a rotor winding outgoing line, a rotor iron core, a rotating shaft rotating rotor bracket, a magnetism isolating sleeve and an oil-resistant circulating shaft sleeve.
Description
Technical Field
The invention relates to an oil-resistant high-power-density high-speed permanent magnet synchronous motor, and belongs to the field of permanent magnet synchronous motors.
Background
In order to achieve energy conversion, synchronous generators require a dc magnetic field. The direct current generating this magnetic field, called the exciting current of the generator, requires a direct current magnetic field for the synchronous generator to achieve energy conversion. And the direct current that generates this magnetic field is called the field current of the generator. Depending on the manner of supplying the exciting current, any generator that obtains the exciting current from another power source is called a separately excited generator, and the exciting power source is obtained from the generator itself, which is called a self-excited generator.
In the prior art, the oil resistance of the high-power density high-speed permanent magnet synchronous motor is not high, so that the condition that the rotating speed of the rotating shaft is higher or lower can occur, and the working accuracy of an actuating mechanism cannot reach the required value of the set rotating speed.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide an oil-resistant high-power-density high-speed permanent magnet synchronous motor so as to solve the problem that the working accuracy of an actuating mechanism cannot reach the required value of a set rotating speed due to the fact that the rotating speed of a rotating shaft is higher or lower due to the fact that the oil resistance degree of the high-power-density high-speed permanent magnet synchronous motor is not high.
In order to achieve the above object, the present invention is realized by the following technical scheme: the structure of the oil-resistant high-power-density high-speed permanent magnet synchronous motor comprises an oil injection port, a machine body, a positive power supply connector, a negative power supply connector, a fixed seat and a rotating shaft, wherein the positive power supply connector and the negative power supply connector are respectively arranged at the top of the machine body from left to right, the positive power supply connector and the negative power supply connector are fixed on the machine body through screws, the oil injection port is arranged on the outer wall of the left side of the machine body, the fixed seat is arranged at the front end of the machine body, the fixed seat is welded with the machine body, the rotating shaft is arranged at the center of the surface of the fixed seat, and the rotating shaft penetrates through the fixed seat to be connected with the machine body;
the rotating shaft consists of a shaft body, a dust blocking ring, a slip ring, a permanent magnet, rotor winding outgoing lines, a rotor iron core, a rotating shaft rotating rotor support, a magnetism isolating sleeve and an oil-resistant circulating shaft sleeve, wherein the dust blocking ring, the oil-resistant circulating shaft sleeve and the rotating shaft rotating rotor support are arranged on the outer wall of the shaft body from left to right, the dust blocking ring is fastened and fixed on the shaft body and matched with the oil-resistant circulating shaft sleeve, the rotating shaft rotating rotor support and the shaft body are in interference fit, the slip ring is arranged on the outer wall of the dust blocking ring and fastened and fixed on the dust blocking ring, the magnetism isolating sleeve, the permanent magnet and the rotor iron core are sequentially arranged on the rotating shaft rotating rotor support from inside to outside, the magnetism isolating sleeve is tightly fixed on the rotating shaft rotating rotor support, the permanent magnet is connected with the magnetism isolating sleeve, the rotor iron core is matched with the permanent magnet, the rotating shaft rotating rotor support is uniformly provided with two rotor winding outgoing lines at equal intervals, and the rotor winding outgoing lines are connected with the rotating shaft rotating rotor support.
Further, the positive power connector and the negative power connector are uniformly and equidistantly provided with two rotor winding outgoing lines to be connected with the front end of the rotating shaft rotating rotor bracket.
Further, fixing holes are formed in four corners of the fixing base.
Further, the oil-resistant circulating shaft sleeve is connected with the oil filling port.
Further, the rotor core is of a hollow cylinder structure.
Further, the shaft body is made of bearing steel, and has the characteristics of high strength and long service life.
Further, the machine body is made of plastic, and the plastic is non-conductive and has high corrosion resistance.
Advantageous effects
According to the oil-resistant high-power-density high-speed permanent magnet synchronous motor, the dust blocking ring, the oil-resistant circulating shaft sleeve and the rotating shaft rotating rotor support are arranged on the outer wall of the shaft body from left to right, and the slip ring is arranged on the dust blocking ring and matched with the oil-resistant circulating shaft sleeve, so that the rotating stability of the rotating shaft can be improved after the motor body is electrified, the working precision of the actuating mechanism can reach the required value of the set rotating speed, and the working precision and efficiency are improved.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of an oil-resistant high-power-density high-speed permanent magnet synchronous motor.
Fig. 2 is a schematic diagram of a rotating shaft structure of an oil-resistant high-power-density high-speed permanent magnet synchronous motor according to the invention.
In the figure: the device comprises an oil filling port-1, a machine body-2, a positive power connector-3, a negative power connector-4, a fixed seat-5, a rotating shaft-6, a shaft body-601, a dust blocking ring-602, a slip ring-603, a permanent magnet-604, a rotor winding outgoing line-605, a rotor core-606, a rotating shaft rotating rotor bracket-607, a magnetism isolating sleeve-608 and an oil-resistant circulating shaft sleeve-609.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Examples
Referring to fig. 1-2, the invention provides an oil-resistant high-power-density high-speed permanent magnet synchronous motor, which structurally comprises an oil filling port 1, a machine body 2, a positive power connector 3, a negative power connector 4, a fixed seat 5 and a rotating shaft 6, wherein the top of the machine body 2 is respectively provided with the positive power connector 3 and the negative power connector 4 from left to right, the positive power connector 3 and the negative power connector 4 are fixed on the machine body 2 through screws, the oil filling port 1 is arranged on the left outer wall of the machine body 2, the fixed seat 5 is arranged at the front end of the machine body 2, the fixed seat 5 is welded with the machine body 2, the rotating shaft 6 is arranged at the center of the surface of the fixed seat 5, and the rotating shaft 6 penetrates through the fixed seat 5 to be connected with the machine body 2; the rotating shaft 6 comprises a shaft body 601, a dust blocking ring 602, a slip ring 603, a permanent magnet 604, a rotor winding outgoing line 605, a rotor iron core 606, a rotating shaft rotating rotor support 607, a magnetism isolating sleeve 608 and an oil-resistant circulating shaft sleeve 609, wherein the dust blocking ring 602, the oil-resistant circulating shaft sleeve 609 and the rotating shaft rotating rotor support 607 are arranged on the outer wall of the shaft body 601 from left to right, the dust blocking ring 602 is buckled and fixed on the shaft body 601 and matched with the oil-resistant circulating shaft sleeve 609, the rotating shaft rotating rotor support 607 and the shaft body 601 are in interference fit, the slip ring 603 is arranged on the outer wall of the dust blocking ring 602, the slip ring 603 is buckled and fixed on the dust blocking ring 602, the magnetism isolating sleeve 608, the permanent magnet 604 and the rotor iron core 606 are sequentially arranged from inside to outside, the magnetism isolating sleeve 608 is tightly fixed on the rotating shaft rotating rotor support 607, the permanent magnet 604 and the magnetism isolating sleeve 608 are connected, the rotor iron core 606 and the permanent magnet 604 are matched, the rotating rotor support 607 is uniformly provided with the front end of the rotating shaft body 601, the two rotor support 607 is uniformly provided with two rotor winding outgoing lines 605 and the rotor winding outgoing line 605, the rotating shaft is of the hollow power source 2 is connected with the hollow power source 2, the hollow power source winding outgoing line 5 is connected with the hollow power source 2, and the hollow power source 2 is provided with the hollow power source 2, and the hollow power source winding outgoing line 5 is connected with the hollow power source 2, and the hollow power source 2, the hollow power source 2 is connected with the cathode winding outgoing line 5, and the cathode winding is connected with the cathode winding 2.
When the invention is used, the machine body 2 can be installed and fixed on an executing mechanism through the fixed seat 5 arranged at the front end of the machine body 2, the machine body 2 is enabled to work by utilizing the positive electrode power connector 3 and the negative electrode power connector 4 to access wires of corresponding poles, the dust blocking ring 602, the oil-resistant circulating shaft sleeve 609 and the rotating shaft rotating rotor bracket 607 are arranged on the outer wall of the shaft body 601 from left to right, the slip ring 603 is arranged on the dust blocking ring 602 to be matched with the oil-resistant circulating shaft sleeve 609, the stability of the rotation of the rotating shaft 6 can be improved after the machine body 2 is electrified, the working precision of the executing mechanism can reach the required value of the set rotating speed, the working precision and the working efficiency are improved, the magnetism blocking sleeve 608, the permanent magnet 604 and the rotor core 606 are arranged on the rotating shaft rotating rotor bracket 607 from inside to outside, and after the rotor winding outgoing line 605 is connected with the positive electrode power connector 3 and the negative electrode power connector 4, the rotating shaft rotating rotor bracket 607 can drive the rotating shaft 6 to rotate, and at the moment, the dust blocking ring 602 is matched with the oil-resistant circulating shaft sleeve 609, and the rotating shaft 6 can be rotated, and the working efficiency is better.
The permanent magnet 604 of the present invention is a permanent magnet which can maintain its magnetism for a long period of time.
The structure and principle of the invention are known by the technical manual or the conventional experimental method, the problem solved by the invention is that the oil-resistant degree of the high-power density high-speed permanent magnet synchronous motor in the prior art is not high, so that the rotating speed of the rotating shaft is higher or lower, and the working precision of an actuating mechanism cannot reach the required value of the set rotating speed.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides an oil-resistant high-power density high-speed PMSM, its structure includes oiling mouth (1), organism (2), anodal power connector (3), negative pole power connector (4), fixing base (5), pivot (6), organism (2) top from a left side to the right side be equipped with anodal power connector (3) and negative pole power connector (4) respectively, anodal power connector (3) and negative pole power connector (4) pass through the screw fixation on organism (2), organism (2) left side outer wall on be equipped with oiling mouth (1), organism (2) front end be equipped with fixing base (5), fixing base (5) and organism (2) weld mutually, fixing base (5) surface central point put and be equipped with pivot (6), pivot (6) run through fixing base (5) and be connected with organism (2); the method is characterized in that:
the rotating shaft (6) consists of a shaft body (601), a dust blocking ring (602), a slip ring (603), a permanent magnet (604), a rotor winding outgoing line (605), a rotor iron core (606), a rotating shaft rotating rotor support (607), a magnetism isolating sleeve (608) and an oil-resistant circulating shaft sleeve (609), wherein the dust blocking ring (602), the oil-resistant circulating shaft sleeve (609) and the rotating shaft rotating rotor support (607) are arranged on the outer wall of the shaft body (601) from left to right, the dust blocking ring (602) is buckled and fixed on the shaft body (601) and matched with the oil-resistant circulating shaft sleeve (609), the rotating shaft rotating rotor support (607) and the shaft body (601) are in interference fit, the slip ring (603) is arranged on the outer wall of the dust blocking ring (602), the magnetism isolating sleeve (608), the permanent magnet (604) and the rotor iron core (606) are buckled and fixed on the dust blocking ring (602), the magnetism isolating sleeve (607) is sequentially arranged from inside to outside, the magnetism isolating sleeve (608) is fixed on the rotating rotor support (604) and is connected with the rotor iron core (606) in an evenly spaced mode, the permanent magnet winding outgoing line (601) is connected with the rotating shaft (602) in an equidistant mode, the rotor winding outgoing line (605) is connected with the rotating shaft rotating rotor bracket (607).
2. An oil resistant high power density high speed permanent magnet synchronous motor according to claim 1, wherein: the positive electrode power connector (3) and the negative electrode power connector (4) are uniformly and equidistantly provided with two rotor winding outgoing lines (605) to be connected with the front end of the rotating shaft rotating rotor support (607).
3. An oil resistant high power density high speed permanent magnet synchronous motor according to claim 1, wherein: four corners of the fixing seat (5) are provided with fixing holes.
4. An oil resistant high power density high speed permanent magnet synchronous motor according to claim 1, wherein: the oil-resistant circulating shaft sleeve (609) is connected with the oil filling port (1).
5. An oil resistant high power density high speed permanent magnet synchronous motor according to claim 1, wherein: the rotor core (606) is of a hollow cylinder structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711049178.5A CN107612259B (en) | 2017-10-31 | 2017-10-31 | Oil-resistant high-power-density high-speed permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711049178.5A CN107612259B (en) | 2017-10-31 | 2017-10-31 | Oil-resistant high-power-density high-speed permanent magnet synchronous motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107612259A CN107612259A (en) | 2018-01-19 |
| CN107612259B true CN107612259B (en) | 2023-08-04 |
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| CN201711049178.5A Active CN107612259B (en) | 2017-10-31 | 2017-10-31 | Oil-resistant high-power-density high-speed permanent magnet synchronous motor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2487914Y (en) * | 2001-03-16 | 2002-04-24 | 洪中元 | Centrifugal distance-limiting steel ball coupling |
| WO2002075173A1 (en) * | 2001-03-16 | 2002-09-26 | Jiang, Hanqing | A moment-limited centrifugal ball coupling |
| WO2009026767A1 (en) * | 2007-08-31 | 2009-03-05 | Leiting Zhang | A hybrid excitation synchronous generator with inner and outer voltage regulation systems and its voltage regulation method |
| CN205960813U (en) * | 2016-08-15 | 2017-02-15 | 铜川市翼飞电子科技开发有限公司 | Permanent -magnet machine stator structure |
| CN207518457U (en) * | 2017-10-31 | 2018-06-19 | 天津昊野科技有限公司 | A kind of oil resistant high power density high-speed permanent magnetic synchronous motor |
-
2017
- 2017-10-31 CN CN201711049178.5A patent/CN107612259B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2487914Y (en) * | 2001-03-16 | 2002-04-24 | 洪中元 | Centrifugal distance-limiting steel ball coupling |
| WO2002075173A1 (en) * | 2001-03-16 | 2002-09-26 | Jiang, Hanqing | A moment-limited centrifugal ball coupling |
| WO2009026767A1 (en) * | 2007-08-31 | 2009-03-05 | Leiting Zhang | A hybrid excitation synchronous generator with inner and outer voltage regulation systems and its voltage regulation method |
| CN205960813U (en) * | 2016-08-15 | 2017-02-15 | 铜川市翼飞电子科技开发有限公司 | Permanent -magnet machine stator structure |
| CN207518457U (en) * | 2017-10-31 | 2018-06-19 | 天津昊野科技有限公司 | A kind of oil resistant high power density high-speed permanent magnetic synchronous motor |
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| CN107612259A (en) | 2018-01-19 |
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