CN205583876U - Rotor of permanent magnet motor - Google Patents
Rotor of permanent magnet motor Download PDFInfo
- Publication number
- CN205583876U CN205583876U CN201620350529.0U CN201620350529U CN205583876U CN 205583876 U CN205583876 U CN 205583876U CN 201620350529 U CN201620350529 U CN 201620350529U CN 205583876 U CN205583876 U CN 205583876U
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- Prior art keywords
- magnet
- pole
- permanent
- rotating shaft
- retaining mechanism
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model provides a rotor of permanent magnet motor, including pivot, first magnet, second magnet and locking mechanism, on first magnet and second magnet all overlapped and locate the pivot, just first magnet and second magnet relatively compressed tightly the setting through locking mechanism is homopolar. A little less than, can't satisfy the market demand that strengthens day by day, and tandem rotor structural design is unreasonable in order to solve current permanent -magnet machine magnetic power, problem that the structure is too complicated. The utility model belongs to the permanent -magnet machine field.
Description
Technical field
This utility model relates to a kind of rotor, belongs to magneto field.
Background technology
At present, conventional permanent magnet machine rotor by rotating shaft, be sheathed in rotating shaft before and after pawl pole and the magnet that is arranged between pawl pole form, this single magnet magnetic is relatively low, conversion ratio is relatively low, cannot meet at present the demand to magneto such as present stage automobile, there is people to devise a kind of magneto tandem rotor of Application No. 2015200526036 for this, in this rotor, the outside of two magnets is all arranged with magnetic partiting ring, the design of magnetic partiting ring is the most unreasonable, simultaneously, this rotor has unnecessary middle claw-pole structure, and structure is the most complicated.
Summary of the invention
The purpose of this utility model is: provide a kind of permanent magnet machine rotor, more weak to solve existing magneto magnetomotive, it is impossible to meet the market demand day by day strengthened, and the design of tandem rotor structure is unreasonable, the problem that structure is excessively complicated.
For solving the problems referred to above, intend using such a permanent magnet machine rotor, all it is sheathed in rotating shaft including rotating shaft, the first magnet, the second magnet and retaining mechanism, the first magnet and the second magnet, and the first magnet and the second magnet relatively compress setting by retaining mechanism homopolarity.
The outer ring of the first magnet and the second magnet is arranged with guard ring respectively, and guard ring is made up of permeability magnetic material, snap fit between mechanism and rotating shaft that the first magnet, the second magnet and retaining mechanism are formed.Guard ring can be selected for magnetic conduction or non-permeable material is made, with magnetic conductive material best results, and preferably magnetic conduction rubber；
Described retaining mechanism includes fore paw pole and rear solid end pole, and fore paw pole and rear solid end are the most all set in rotating shaft, and the first magnet and the second magnet are fastened by fore paw pole and rear solid end extreme pressure；
Described retaining mechanism also includes median claw pole, median claw pole is also sheathed in rotating shaft, and median claw pole is arranged between the first magnet and the second magnet, first magnet and the second magnet are tightly arranged at the two ends of median claw pole respectively by fore paw pole and rear solid end extreme pressure, and the concrete structure of this retaining mechanism sees the utility model patent of Application No. 2015200526036；
It is arranged in series the above-mentioned fabricated structure combined by the first magnet, the second magnet and retaining mechanism of at least two groups in each rotating shaft, on the premise of not changing magnet steel diameter, i.e. further enhances its magnetic intensity；
First magnet and the second magnet are rare earth permanent-magnetic material and make, or make both at other permanent magnet materials in addition to rare earth permanent-magnetic material, or the two one of them magnet is that rare earth permanent-magnetic material is made, another magnet is that other permanent magnet materials in addition to rare earth permanent-magnetic material are made.
nullThis utility model is compared with prior art，Major advantage is that this permanent magnet machine rotor can be on the premise of not increasing magnet steel diameter by being applied in combination of two pieces of magnets，It is greatly enhanced the magnetic intensity that magnet steel after combination is total，The spacing of two pieces of magnets is the nearest，The magnetic field intensity produced is the strongest，Simultaneously，Without using magnetic partiting ring，Even if for preventing magnet from crushing because of centrifugal action，Also it is the guard ring using magnetic conductivity，Avoid the weakening to magnetic field and obstruct，The service efficiency making magnet steel is maximized performance，Greatly strengthen the conversion ratio of magneto，Compare existing common magneto and typically can improve the conversion ratio of 40%，And ensure that rotor magnet when assembling production and using is hardly damaged，Ensure that the feasibility of this technical scheme，Advance the development process of magneto，Suitably widely popularize application in magneto field.
Accompanying drawing explanation
Fig. 1 is installation diagram of the present utility model；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is the main TV structure schematic diagram of the magnet (as a example by the first magnet) being cased with protective jacket；
When Fig. 4 is the claw-pole structure that retaining mechanism employing has median claw pole, installation diagram of the present utility model；
Fig. 5 is that retaining mechanism uses the claw-pole structure with median claw pole, and when there is guard ring, structural representation of the present utility model；
Fig. 6 is two magnet homopolarities magnetic principles figures when being oppositely arranged, and dotted line is the magnetic line of force of single magnet, solid line be two magnet homopolarities relatively after the total magnetic lines of force.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below with reference to accompanying drawings this utility model is described in further detail,
Embodiment 1:
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 6, the present embodiment provides a kind of permanent magnet machine rotor, including rotating shaft the 1, first magnet the 2, second magnet 3 and retaining mechanism 4, first magnet 2 and the second magnet 3 are all sheathed in rotating shaft 1, and the first magnet 2 and the second magnet 3 relatively compress setting by retaining mechanism 4 homopolarity；
The outer ring of the first magnet 2 and the second magnet 3 is arranged with guard ring 5 the most respectively, guard ring 5 is made up of magnetic conduction rubber, snap fit between mechanism and rotating shaft 1 that first magnet the 2, second magnet 3 and retaining mechanism 4 are formed, first magnet 2 and the second magnet 3 are rare earth permanent-magnetic material and make, first magnet the 2, second magnet 3 and retaining mechanism 4 can rotate with rotating shaft 1, and each rotating shaft 1 is arranged in series two groups of above-mentioned fabricated structures combined by first magnet the 2, second magnet 3 and retaining mechanism 4.
Embodiment 2:
With reference to Fig. 4 and Fig. 6, the present embodiment provides a kind of permanent magnet machine rotor, including rotating shaft the 1, first magnet the 2, second magnet 3 and retaining mechanism 4, first magnet 2 and the second magnet 3 are all sheathed in rotating shaft 1, and first magnet 2 and the second magnet 3 relatively compress setting, snap fit between mechanism and rotating shaft 1 that first magnet the 2, second magnet 3 and retaining mechanism 4 are formed by retaining mechanism 4 homopolarity；
Retaining mechanism 4 includes fore paw pole 41, rear solid end pole 42 and median claw pole 43, fore paw pole 41, rear solid end pole 42 and median claw pole 43 are all set in rotating shaft 1, median claw pole 43 is arranged between the first magnet 2 and the second magnet 3, first magnet 2 and the second magnet 3 compress the two ends being arranged at median claw pole 43 respectively by fore paw pole 41 and rear solid end pole 42, the concrete structure of this retaining mechanism 4 sees fore paw pole in the patent of Application No. 2015200526036, median claw pole and the structure of rear solid end pole, first magnet 2 and the second magnet 3 are rare earth permanent-magnetic material and make, first magnet 2, second magnet 3 and retaining mechanism 4 can rotate with rotating shaft 1.
Embodiment 3:
With reference to Fig. 3, Fig. 5 and Fig. 6, the present embodiment provides a kind of permanent magnet machine rotor, including rotating shaft the 1, first magnet the 2, second magnet 3 and retaining mechanism 4, the first magnet 2 and the second magnet 3 are all sheathed in rotating shaft 1, and the first magnet 2 and the second magnet 3 relatively compress setting by retaining mechanism 4 homopolarity.
The outer ring of the first magnet 2 and the second magnet 3 is arranged with guard ring 5 the most respectively, and guard ring 5 is made up of magnetic conduction rubber, snap fit between mechanism and rotating shaft 1 that first magnet the 2, second magnet 3 and retaining mechanism 4 are formed；
Retaining mechanism 4 includes fore paw pole 41, rear solid end pole 42 and median claw pole 43, fore paw pole 41, rear solid end pole 42 and median claw pole 43 are all set in rotating shaft 1, median claw pole 43 is arranged between the first magnet 2 and the second magnet 3, first magnet 2 and the second magnet 3 compress the two ends being arranged at median claw pole 43 respectively by fore paw pole 41 and rear solid end pole 42, the concrete structure of this retaining mechanism 4 sees fore paw pole in the patent of Application No. 2015200526036, median claw pole and the structure of rear solid end pole, first magnet 2 and the second magnet 3 are rare earth permanent-magnetic material and make, first magnet 2, second magnet 3 and retaining mechanism 4 can rotate with rotating shaft 1.
Claims (9)
1. a permanent magnet machine rotor, it is characterized in that: include rotating shaft (1), the first magnet (2), the second magnet (3) and retaining mechanism (4), first magnet (2) and the second magnet (3) are all sheathed in rotating shaft (1), and the first magnet (2) and the second magnet (3) relatively compress setting by retaining mechanism (4) homopolarity.
A kind of permanent magnet machine rotor, it is characterized in that: the outer ring of the first magnet (2) and the second magnet (3) is arranged with guard ring (5) respectively, guard ring (5) is made up of permeability magnetic material, snap fit between mechanism and rotating shaft (1) that the first magnet (2), the second magnet (3) and retaining mechanism (4) are formed.
A kind of permanent magnet machine rotor, it is characterised in that: guard ring (5) is magnetic conduction rubber.
A kind of permanent magnet machine rotor, it is characterized in that: described retaining mechanism (4) includes fore paw pole (41) and rear solid end pole (42), fore paw pole (41) and rear solid end pole (42) are all set in rotating shaft (1), and the first magnet (2) and the second magnet (3) are fixed by fore paw pole (41) and rear solid end pole (42).
A kind of permanent magnet machine rotor, it is characterized in that: described retaining mechanism (4) also includes median claw pole (43), median claw pole (43) is also sheathed in rotating shaft (1), and median claw pole (43) are arranged between the first magnet (2) and the second magnet (3), the first magnet (2) and the second magnet (3) compress the two ends being arranged at median claw pole (43) respectively by fore paw pole (41) and rear solid end pole (42).
A kind of permanent magnet machine rotor, it is characterised in that: it is arranged in series the above-mentioned fabricated structure combined by the first magnet (2), the second magnet (3) and retaining mechanism (4) of at least two groups in each rotating shaft (1).
A kind of permanent magnet machine rotor, it is characterised in that: the first magnet (2) and the second magnet (3) are rare earth permanent-magnetic material and make.
A kind of permanent magnet machine rotor, it is characterised in that: other permanent magnet materials that the first magnet (2) and the second magnet (3) are in addition to rare earth permanent-magnetic material are made.
A kind of permanent magnet machine rotor, it is characterised in that: the first magnet (2) and the second magnet (3), one of them magnet is that rare earth permanent-magnetic material is made, and another magnet is that other permanent magnet materials in addition to rare earth permanent-magnetic material are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620350529.0U CN205583876U (en) | 2016-04-25 | 2016-04-25 | Rotor of permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620350529.0U CN205583876U (en) | 2016-04-25 | 2016-04-25 | Rotor of permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205583876U true CN205583876U (en) | 2016-09-14 |
Family
ID=56860732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620350529.0U Expired - Fee Related CN205583876U (en) | 2016-04-25 | 2016-04-25 | Rotor of permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205583876U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720720A (en) * | 2016-04-25 | 2016-06-29 | 河南汉拿永磁科技有限公司 | Permanent magnet motor rotor |
| CN111162629A (en) * | 2020-01-17 | 2020-05-15 | 天津飞旋科技有限公司 | Method for arranging stator and rotor of magnetic suspension motor |
| CN112769261A (en) * | 2020-12-28 | 2021-05-07 | 中国原子能科学研究院 | Permanent-magnet claw-pole motor |
-
2016
- 2016-04-25 CN CN201620350529.0U patent/CN205583876U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720720A (en) * | 2016-04-25 | 2016-06-29 | 河南汉拿永磁科技有限公司 | Permanent magnet motor rotor |
| CN111162629A (en) * | 2020-01-17 | 2020-05-15 | 天津飞旋科技有限公司 | Method for arranging stator and rotor of magnetic suspension motor |
| CN112769261A (en) * | 2020-12-28 | 2021-05-07 | 中国原子能科学研究院 | Permanent-magnet claw-pole 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: 20160914 Termination date: 20170425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |