CN101123373A - Onboard fan and its using motor - Google Patents
Onboard fan and its using motor Download PDFInfo
- Publication number
- CN101123373A CN101123373A CNA2006101100962A CN200610110096A CN101123373A CN 101123373 A CN101123373 A CN 101123373A CN A2006101100962 A CNA2006101100962 A CN A2006101100962A CN 200610110096 A CN200610110096 A CN 200610110096A CN 101123373 A CN101123373 A CN 101123373A
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- Prior art keywords
- rotating shaft
- motor
- housing
- magnetic conduction
- bearing
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides a motor, which comprises a stator and a rotor. The stator is provided with a magnetic induction component. The rotor is provided with an axis of swivel and a magnetic component. The axis of swivel goes through the magnetic component and the magnetic induction component. The magnetic component and the magnetic induction component are arranged correspondingly. The stator and the rotor are accomodated in a confined space. The axis of swivel protrudes beyond the confined space. The invention also provides a vehicle fan of the motor.
Description
Technical field
The present invention is about a kind of motor, especially in regard to a kind of motor and the onboard fan that uses this motor.
Background technology
Motor is one to convert electrical energy into the parts of mechanical energy, and has been widely used in the mechanical structure in the daily life, for example fan.Motor of a great variety, it is broadly divided into inner rotor motor and external rotor electric machine, and these two main be respectively that the set position of rotor structure is the motor inboard or the outside.
Please refer to external rotor electric machine shown in Figure 1, traditional 1 and comprise a bearing pedestal 10, a rotor structure 11, a stator structure 12 and a circuit board 13.Wherein, bearing pedestal 10 comprises a central siphon portion 101, and at least one bearing 102 is placed in the central siphon portion 101.Rotor structure 11 comprises a rotating shaft 111, a magnetic conduction shell 112 and a magnet 113, and rotating shaft 111 is embedded at magnetic conduction shell 112 and is located in central siphon portion 101 and bearing 102, and magnet 113 rings are located at the inwall of magnetic conduction shell 112.
Yet, the structure of this kind external rotor electric machine 1, because the collocation of the gap between each member is more, so its sealing deficiency, make that its protection effect is relatively poor.For example there are clearance G in 10 of rotor structure 11 and bearing pedestals, so the easy inside that enters external rotor electric machine 1 via clearance G such as the foreign matter of external environment or aqueous vapor, cause member to damage, thereby reduce the reliability and the useful life of external rotor electric machine 1.
In view of this, how to provide a kind of and have good sealing property with effective protection motor internal member, and then improve the reliability and the external rotor electric machine in useful life, real is one of important topic.
Summary of the invention
Because above-mentioned problem, purpose of the present invention is for providing good motor of a kind of sealing and the fan that uses this motor.
So,,, comprise a stator and a rotor according to a kind of motor of the present invention for reaching above-mentioned purpose.Stator has a magnetic conduction subassembly, and rotor has a rotating shaft and a magnet assembly, and rotating shaft is located in magnet assembly and magnetic conduction subassembly, and the corresponding setting with magnetic conduction subassembly of magnet assembly.Wherein, stator and rotor are placed in an enclosure space, and rotating shaft protrudes in enclosure space.
For reaching above-mentioned purpose, comprise a motor and an impeller according to a kind of fan of the present invention.Motor has a stator and a rotor.Stator has a magnetic conduction subassembly, and rotor has a rotating shaft and a magnet assembly, and rotating shaft is located in magnet assembly and magnetic conduction subassembly, and the corresponding setting with magnetic conduction subassembly of magnet assembly.Wherein, stator and rotor are placed in an enclosure space, and rotating shaft protrudes in enclosure space.Impeller is attached at rotating shaft.
From the above, because motor of the present invention is that stator, rotor and drive unit are placed in the enclosure space, enclosure space can be made of a housing.Compare with conventional art, motor of the present invention is owing to have splendid seal, thus can effectively protect the motor internal member, and then raising reliability and useful life.
Description of drawings
Fig. 1 is the schematic diagram of conventional motors;
Fig. 2 is the decomposition diagram according to a kind of motor of the preferred embodiment of the present invention;
Fig. 3 is the sectional drawing of motor after combination of Fig. 2; And
Fig. 4 is the schematic diagram according to a kind of fan of the preferred embodiment of the present invention.
The primary clustering symbol description
1,2 motors, 10 bearing pedestals
101 central siphon portions 102,27a, 27b bearing
11,22 rotor structures, 111,221 rotating shafts
112,2221 magnetic conduction shells, 113,2222 magnet
12,21 stator structures, 121 coil groups
13 circuit boards, 211 magnetic conduction subassemblies
2111 silicon steel sheets, 2112 coils
222 magnet assemblies, 23 drive units
24 enclosure spaces, 25 housings
251 first housings, 252 second housings
2521 central siphon portions, 26 screws
28 elastic components, 29 securing members
3 fans, 30 impellers
31 wheel hubs, 32 flabellums
The G gap
Embodiment
Hereinafter with reference to relevant drawings, illustrate according to a kind of motor of the preferred embodiment of the present invention and the fan that uses this motor.Wherein, identical assembly will be illustrated with identical reference marks.
Fig. 2 is the decomposition diagram of the motor of demonstration one embodiment of the present invention.Motor 2 comprises a stator 21, a rotor 22 and a drive unit 23.
Wherein, stator 21 has a magnetic conduction subassembly 211.At this, magnetic conduction subassembly 211 can comprise at least one silicon steel sheet 2111 and at least one coil 2112, and coil 2112 is wrapped on the silicon steel sheet 2111.In addition, drive unit 23 electrically connects with magnetic conduction subassembly 211, and this drive unit 23 has a circuit board, and it is for control magnetic conduction subassembly 211, the particularly sense of current of coil 2112, to produce an AC field.In addition, rotor structure 22 comprises a rotating shaft 221 and a magnet assembly 222, and rotating shaft 221 bindings also are located in magnet assembly 222.This rotating shaft 221 is embedded among magnet assembly 222.
In addition, the motor 2 of present embodiment also comprises two bearing 27a, 27b, and when assembling, bearing 27a, 27b are set in rotating shaft 221 and are arranged in the central siphon portion 2521.In the present embodiment, bearing 27a, 27b can be an oiliness bearing or a ball bearing.In addition, the motor 2 of present embodiment also comprises an elastic component 28, is pressed on bearing 27b in advance in order to provide, and the vibrations that produced can absorb motor 2 starts the time.In addition, the motor 2 of present embodiment also comprises a securing member 29, and it is in order to the position of location bearing 27b, and the opposing axial moment.
The sectional drawing of the motor 2 of Fig. 3 displayed map 2 after combination.Wherein, stator structure 21, rotor structure 22 and drive unit 23 are placed in an enclosure space 24, and enclosure space 24 is made of a housing 25.At this, housing 25 is made up of first housing 251 and second housing 252.In addition, stator structure 21 and drive unit 23 are set in the central siphon portion 2521 of second housing 252, and the rotating shaft 221 of rotor structure 22 is located among the central siphon portion 2521, and protrude in housing 25.The part that rotating shaft 221 protrudes in outside the housing 25 is used to link mechanism to be driven, such as but not limited to an impeller.In addition, the magnet assembly 222 of rotor structure 22 and the 211 corresponding settings of the magnetic conduction subassembly of stator structure 21, and be arranged on the periphery of magnetic conduction subassembly 211.At this, magnet assembly 222 can be made of a magnetic conduction shell 2221 and a magnet 2222, and magnet 2222 is arranged on the inwall of magnetic conduction shell 2221.So, provide an AC field by drive unit 23, magnet assembly 222 promptly produces alternating magnetic field with magnetic conduction subassembly 211, rotates and order about rotor structure 22.
In addition, bearing 27a and 27b are set in rotating shaft 221 and are arranged in the central siphon portion 2521, and are respectively adjacent to two ends in central siphon portion 2521, rotate with supporting revolving shaft 221 smooth-goingly.In addition,, make elastic component 28 be fastened between central siphon portion 2521 and the bearing 27b, be pressed on bearing 27b in advance in order to provide near the axial contact elastic component 28 of bearing 27b of second housing 252, and the vibrations that produced can absorb motor 2 starts the time.In addition, securing member 29 links with rotating shaft 221, and contacts with bearing 27b, and in the present embodiment, securing member 29 is fastened on rotating shaft 221 and bearing 27b, in order to the position of location bearing 27b, and the opposing axial moment.
As shown in Figure 4, a kind of fan 3 according to the preferred embodiment of the present invention comprises a motor 2 and an impeller 30.Wherein, motor 2 describes in detail in previous embodiment, so repeat no more.In the present embodiment, impeller 30 can be a receded disk impeller or an aial flow impeller, is example with the receded disk impeller at this, and in addition, the fan 3 of present embodiment can be an onboard fan.
In sum, because of being that stator structure, rotor structure and drive unit are placed in the enclosure space according to a kind of fan of the present invention and motor thereof, enclosure space can be made of a housing.Compare with conventional art, motor of the present invention has splendid seal, reaching effective protection motor internal member, and then improves the reliability and the purpose in useful life.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should comprise in the present invention its equivalent modifications of carrying out or change.
Claims (22)
1. motor comprises:
One stator structure has a magnetic conduction subassembly; And
One rotor structure has a rotating shaft and a magnet assembly, and this rotating shaft is located in this magnet assembly and this magnetic conduction subassembly, and the corresponding setting with this magnetic conduction subassembly of this magnet assembly;
Wherein, this stator structure and this rotor structure are placed in an enclosure space, and this rotating shaft protrudes in this enclosure space.
2. motor according to claim 1 is characterized in that, this enclosure space is to be made of at least one housing.
3. motor according to claim 2 is characterized in that, this housing is to be made of one first housing and one second housing.
4. motor according to claim 3 is characterized in that, this first housing and this second housing are to link with engaging, bonding or sealed mode.
5. motor according to claim 3 is characterized in that, this second housing has a central siphon portion, and this rotating shaft is located in this central siphon portion.
6. motor according to claim 5 is characterized in that, also comprises:
At least one bearing is set in this rotating shaft and is arranged in this central siphon portion.
7. motor according to claim 6 is characterized in that, described bearing is separately positioned on two ends that are adjacent to this central siphon portion.
8. motor according to claim 6 is characterized in that, this at least one bearing shaft is to contact one elastic component.
9. motor according to claim 6 is characterized in that, also comprises:
One securing member links with this rotating shaft, and contacts with this bearing.
10. motor according to claim 1 is characterized in that, also comprises:
One drive unit is set in this rotating shaft and is arranged in this enclosure space, and electrically connects with this magnetic conduction subassembly.
11. motor according to claim 10 is characterized in that, this drive unit comprises a circuit board.
12. a fan comprises:
One motor, have a stator structure and a rotor structure, this stator structure has a magnetic conduction subassembly, and this rotor structure has a rotating shaft and a magnet assembly, this rotating shaft is located in this magnet assembly and this magnetic conduction subassembly, and the corresponding setting with this magnetic conduction subassembly of this magnet assembly; And
One impeller is attached at this rotating shaft;
Wherein, this stator structure and this rotor structure are placed in an enclosure space, and this rotating shaft protrudes in this enclosure space.
13. fan according to claim 12 is characterized in that, this enclosure space is to be made of a housing.
14. fan according to claim 14 is characterized in that, this housing is to be made of one first housing and one second housing.
15. fan according to claim 14 is characterized in that, this first housing and this second housing are to link with engaging, bonding or sealed mode.
16. fan according to claim 14 is characterized in that, this second housing has a central siphon portion, and this rotating shaft is located in this central siphon portion.
17. fan according to claim 16 is characterized in that, this motor also comprises at least one bearing, and it is set in this rotating shaft and is arranged in this central siphon portion, and is adjacent to an end of this central siphon portion.
18. fan according to claim 17 is characterized in that, this at least one bearing shaft is to contact one elastic component.
19. fan according to claim 17 is characterized in that, this motor also comprises a securing member, link with this rotating shaft, and with this wherein a bearing contact.
20. fan according to claim 12 is characterized in that, this motor also comprises a drive unit, is set in this rotating shaft and is arranged in this enclosure space, and electrically connect with this magnetic conduction subassembly.
21. fan according to claim 20 is characterized in that, this drive unit comprises a circuit board.
22. fan according to claim 12 is characterized in that, is an onboard fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101100962A CN101123373A (en) | 2006-08-08 | 2006-08-08 | Onboard fan and its using motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101100962A CN101123373A (en) | 2006-08-08 | 2006-08-08 | Onboard fan and its using motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101123373A true CN101123373A (en) | 2008-02-13 |
Family
ID=39085585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101100962A Pending CN101123373A (en) | 2006-08-08 | 2006-08-08 | Onboard fan and its using motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101123373A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251972A (en) * | 2010-05-19 | 2011-11-23 | 元山科技工业股份有限公司 | Fan and motor thereof |
| CN117685240A (en) * | 2023-12-11 | 2024-03-12 | 嘉善卡固电气设备股份有限公司 | Outer rotor centrifugal fan with high protection level |
-
2006
- 2006-08-08 CN CNA2006101100962A patent/CN101123373A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251972A (en) * | 2010-05-19 | 2011-11-23 | 元山科技工业股份有限公司 | Fan and motor thereof |
| CN117685240A (en) * | 2023-12-11 | 2024-03-12 | 嘉善卡固电气设备股份有限公司 | Outer rotor centrifugal fan with high protection level |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20080213 |