CN208386341U - A kind of high-speed motor - Google Patents
A kind of high-speed motor Download PDFInfo
- Publication number
- CN208386341U CN208386341U CN201821196217.4U CN201821196217U CN208386341U CN 208386341 U CN208386341 U CN 208386341U CN 201821196217 U CN201821196217 U CN 201821196217U CN 208386341 U CN208386341 U CN 208386341U
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- CN
- China
- Prior art keywords
- protective cover
- rotor
- turntable
- fan
- motor casing
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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.)
- Expired - Fee Related
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides a kind of high-speed motor, including motor casing, setting stator core and rotor in motor casing, there are the channels of cold air output between stator core and motor casing, the front end of rotor is arranged fore bearing and is fixed by drive end bearing bracket, the rear end of rotor is arranged rear bearing and is fixed by rear end cap, fan is fixed on the rotor on the outside of rear end cap, fan includes turntable, concentric setting protective cover above turntable, it is connected between turntable and protective cover by several flabellums of radially even distribution, protective cover center opening, the tapping of protective cover the first air inducing bead of concentric setting, fan guard is set on the outside of fan, cold wind can be from protective cover, gap between flabellum and turntable enters and the channel output between stator core and motor casing.The inner wall of the arc top surface of fan guard described in the utility model and the protective cover outside wall parallel of fan make to form uniform gap between fan guard and protective cover, reduce windmill loss and noise.
Description
Technical field
The utility model belongs to motor technology field, more particularly, to a kind of high-speed motor.
Background technique
The general revolving speed of high-speed motor is more than 3000 revs/min, it might even be possible to reach tens of thousands of revs/min, if using
The self cooling mode of motor coaxial fan reduces the running temperature of motor, and design and structure are relatively easy, reliable for operation, economy
Preferably.But with the revolving speed for gradually promoting motor, the power consumption that fan noise and fan generate increases, at the same fan with
Windmill loss between fan guard, which increases, generates noise, becomes technical problem urgently to be resolved.
Summary of the invention
In view of this, the utility model is directed to a kind of high-speed motor, to solve the above technical problems.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of high-speed motor, including motor casing, the interior setting stator core of motor casing and rotor, stator core and electricity
There are the channel of cold air output between casing, the front end of rotor is arranged fore bearing and is fixed by drive end bearing bracket, rotor
Rear end be arranged rear bearing and fixed by rear end cap, fan is fixed on the rotor on the outside of rear end cap, fan include turn
Disk, the concentric setting protective cover in turntable top, several flabellums for passing through radially even distribution between turntable and protective cover connect
It connects, protective cover center opening, the tapping of protective cover the first air inducing bead of concentric setting, fan guard is set on the outside of fan, it is cold
Wind can enter from the gap between protective cover, flabellum and turntable and the channel between stator core and motor casing exports.
Further, to the arc-shaped structure far from turntable direction protrusion, the outer rim of protective cover centered on the protective cover
Diameter is bigger than the diameter of turntable.
Further, the concentric setting rotor rack of the turntable, axially disposed receiving rotor at rotor rack center
The mounting hole of end, mounting hole are cone structure, and turntable is run through in mounting hole one end, the diameter and rotor of mounting hole at turntable
The diameter of end is consistent, is gradually reduced along the diameter far from turntable direction mounting hole, the end of rotor passes through interference fit
It is firmly fixed in mounting hole.
Further, the aperture at the protective cover center is in the top of rotor top of support.
Further, the face angle of the rotor rack interior installing hole is between 1-2 °.
Further, the fan guard is fixed on motor casing, and arc top surface is arranged on the fan guard far from fan directional,
Second air inducing bead, the hollowed-out board that the opening setting of the second air inducing bead enters for cold wind are set at arc top surface center.
Further, the protective cover outside wall parallel of the inner wall of the arc top surface and fan, makes the arc top surface of fan guard
The uniform gap for reducing windmill loss is formed between protective cover.
Further, the fixing sleeve for accommodating stator core is set in the motor casing, if fixing sleeve outer wall is disposed radially
Dry support plate, the end of support plate are fixed on the inner wall of motor casing, the gap between motor casing, stator core and support plate
The channel passed through as cold wind.
Compared with the existing technology, high-speed motor described in the utility model has the advantage that
(1) gap between protective cover described in the utility model, rotor rack, flabellum and turntable forms cooling duct, wind
Enter from the first air inducing bead of fan center, is arranged by the cooling duct formed between protective cover, rotor rack, flabellum and turntable
Fan out, and enter the cooling duct in motor casing, so that the heat that rotor generates during rotation is taken away, from motor
The front end of shell is discharged, and protective cover is the arc-shaped structure of protrusion, can change wind direction, and cold wind is made to have that is directed toward to enter motor
In the cooling duct of shell.
(2) the protective cover outside wall parallel of the inner wall of the arc top surface of fan guard described in the utility model and fan, makes fan
Uniform gap is formed between the arc top surface and protective cover of cover, windmill is advantageously reduced and is lost and reduces noise.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the explosive view of the utility model motor；
Fig. 2 is the perspective view of fan；
Fig. 3 is the main view of fan；
Fig. 4 is the bottom view of fan；
Fig. 5 is cross-sectional view of the Fig. 4 along the direction H-H；
Fig. 6 is cross-sectional view of the Fig. 4 along the direction G-G；
Fig. 7 is the perspective view of fan guard；
Fig. 8 is the main view of fan guard.
Description of symbols:
1, fan；11, turntable；12, flabellum；13, protective cover；131, the first air inducing bead；14, rotor rack；2, fan guard；
21, arc top surface；22, the second air inducing bead；23, hollowed-out board；3, rotor；31, rear bearing；32, fore bearing；4, stator iron
Core；5, motor casing；6, rear end cap；7, drive end bearing bracket.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of high-speed motor, is rectangular and both ends open motor casing 5 including section, along opening direction
Motor casing 5 inside the fixing sleeve of hollow cylindrical is set, several support plates, the number of support plate is uniformly arranged in fixing sleeve side wall
Amount includes four, and fixing sleeve is fixed on the inner wall of motor casing 5 by support plate, between fixing sleeve, support plate and motor casing 5
Gap constitutes the output par, c of the cooling duct of blower, concentric setting stator core 4 in fixing sleeve, inside stator core 4
The rotor 3 that concentric setting cooperates with stator core 4, the end of rotor 3 reach outside motor casing 5, and motor turns
The front end of son 3 is arranged fore bearing 31 and is fixed by drive end bearing bracket 7, and the rear end of rotor 3 is arranged rear bearing 32 and passes through rear end
Lid 6 is fixed, and fan 1 is arranged on the rotor 3 in 6 outside of rear end cap.
Fan 1 includes turntable 11, and concentric setting protective cover 13, turntable 11 and protective cover 13 pass through edge above turntable 11
Several flabellums 12 of radially uniform distribution connect, and flabellum 12 is vertical with turntable 11 and protective cover 13 respectively, during protective cover 13 is
Arcuate structure of the heart to separate 11 direction of turntable protrusion, 13 center opening of protective cover, the concentric setting of the tapping of protective cover 13
The external profile diameter of first air inducing bead 131, protective cover 13 is bigger than the diameter of turntable 11, and the diameter of the first air inducing bead 131 is than electricity
The diameter of machine rotor 3 is big, and the gap between protective cover 13, flabellum 12 and turntable 11 forms the channel that cold wind passes through.
The concentric setting rotor rack 14 of turntable 11,14 outer wall of rotor rack are circular cone structure, the larger diameter end of rotor rack 14
It is fixed on turntable 11, the end of rotor 3 is fixed in rotor rack 14 by interference fit, and rotor rack 14 is axially inside
The mounting hole for accommodating 3 end of rotor is set, and 11 surface of turntable is run through in mounting hole one end, and the mounting hole other end is to far from turntable
11 direction extends, and mounting hole is cone structure, curved surface of the face angle of mounting hole at 1-2 °, and preferably 1.5 °, close to turntable 11
The installation bore dia in direction is consistent with the diameter of 3 end of rotor, gradually subtracts along the diameter far from 11 direction mounting hole of turntable
Small, the end of rotor 3 passes through the fixation hole of turntable 11 and is fixed in mounting hole, realizes fan 1 and rotor 3
It is full of and cooperates fixation, 13 center opening of protective cover enables cold wind smoothly from fan 1 in the top of 14 top surface of rotor rack
First air inducing bead 131 of the heart enters, and the cooling by being formed between protective cover 13, rotor rack 14, flabellum 12 and turntable 11
Fan 1 is discharged in channel, and enters the cooling duct in motor casing 5, to take away the heat that rotor 3 generates during rotation
Amount is discharged from the front end of motor casing 5, and protective cover 13 is the arc-shaped structure of outwardly convex, can change wind direction, have cold wind
That is directed toward enters in the cooling duct of motor casing 5.
Fan guard 2 is set outside fan 1, and fan guard 2 is fixed on motor casing 5, on the fan guard 2 far from 1 direction of fan
Arc top surface 21, the inner wall of arc top surface 21 and 13 outside wall parallel of protective cover of fan 1 are set, the arc top surface of fan guard 2 is made
Uniform gap is formed between 21 and protective cover 13, is advantageously reduced windmill and is lost and reduces noise, 21 center of arc top surface
Place opens up through-hole, and the second air inducing bead 22 is arranged in the through hole of arc top surface 21, and the opening of the second air inducing bead 22, which is arranged, to be used
In the hollowed-out board 23 that cold wind enters.
The plastic part that fan 1 is integrally formed, motor casing 5 are made of metal material, and fan 1 can efficiently draw cold wind
Enter into motor casing 5, the cooling of motor is realized using the rapid cooling characteristic of motor casing 5.
The working principle of the device:
Fan 1 is fixed on the end of motor by interference fit, and when rotor 3 drives fan 1 to rotate, cold wind is from fan
Cover 2 enters, and through the cold air duct in passing through fan 1, cold air duct into motor casing 5, cold wind takes away motor by heat exchange
The heat that internal heating element generates, and reserved from 5 front end of motor casing, to effectively control the temperature of each element, avoid motor
Interior temperature is excessively high, extends the service life of electric machine assembly.
Gap between the protective cover 13 of the device, rotor rack 14, flabellum 12 and turntable 11 forms cooling duct, and wind is from wind
The the first air inducing bead 131 for fanning 1 center enters, cold by being formed between protective cover 13, rotor rack 14, flabellum 12 and turntable 11
But fan 1 is discharged in channel, and enters the cooling duct in motor casing 5, to take away what rotor 3 generated during rotation
Heat is discharged from the front end of motor casing 5, and protective cover 13 is the arc-shaped structure of protrusion, can change wind direction, has cold wind and refers to
To enter in the cooling duct of motor casing 5, far from 1 direction of fan fan guard 2 on be arranged arc top surface 21, arc top surface
21 inner wall and 13 outside wall parallel of protective cover of fan 1 make to be formed between the arc top surface 21 and protective cover 13 of the cover of fan 1 uniform
Gap, advantageously reduce windmill be lost and reduce noise.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. a kind of high-speed motor, it is characterised in that: including motor casing (5), stator core (4) and electricity are arranged in motor casing (5)
Machine rotor (3), there are the channel of cold air output between stator core (4) and motor casing (5), the front end of rotor (3) is arranged
Fore bearing (32) is simultaneously fixed by drive end bearing bracket (7), and the rear end of rotor (3) is arranged rear bearing (31) and by rear end cap (6)
Fixed, fan (1) is fixed on the rotor (3) on the outside of rear end cap (6), and fan (1) includes turntable (11), on turntable (11)
The concentric setting protective cover (13) in side, passes through several flabellums of radially even distribution between turntable (11) and protective cover (13)
(12) it connects, protective cover (13) center opening, the tapping of protective cover (13) the first air inducing bead (131) of concentric setting, wind
It fans and fan guard (2) is set on the outside of (1), cold wind can enter from the gap between protective cover (13), flabellum (12) and turntable (11)
And the channel output between stator core (4) and motor casing (5).
2. a kind of high-speed motor according to claim 1, it is characterised in that: to separate centered on the protective cover (13)
The arc-shaped structure of turntable (11) direction protrusion, the external profile diameter of protective cover (13) are bigger than the diameter of turntable (11).
3. a kind of high-speed motor according to claim 1, it is characterised in that: the concentric setting rotor of turntable (11)
Frame (14), the axially disposed mounting hole for accommodating rotor (3) end at rotor rack (14) center, mounting hole is conical surface knot
Turntable (11) are run through in structure, mounting hole one end, and the diameter of mounting hole is consistent with the diameter of rotor (3) end at turntable (11),
It is gradually reduced along the diameter far from turntable (11) direction mounting hole, the end of rotor (3) is firm solid by interference fit
It is scheduled in mounting hole.
4. a kind of high-speed motor according to claim 3, it is characterised in that: protective cover (13) center opening is turning
The top of subrack (14) top surface.
5. a kind of high-speed motor according to claim 3, it is characterised in that: the cone of rotor rack (14) interior installing hole
Face angle is between 1-2 °.
6. a kind of high-speed motor according to claim 1, it is characterised in that: the fan guard (2) is fixed on motor casing
(5) on, arc top surface (21) are set on the fan guard (2) far from fan (1) direction, second is arranged at arc top surface (21) center
Air inducing bead (22), the hollowed-out board (23) that the opening setting of the second air inducing bead (22) enters for cold wind.
7. a kind of high-speed motor according to claim 6, it is characterised in that: the inner wall and wind of the arc top surface (21)
Protective cover (13) outside wall parallel for fanning (1) makes to be formed between the arc top surface (21) of fan guard (2) and protective cover (13) for dropping
The uniform gap of low windmill loss.
8. a kind of high-speed motor according to claim 1, it is characterised in that: setting accommodates fixed in the motor casing (5)
The fixing sleeve of sub- iron core (4), fixing sleeve outer wall are disposed radially several support plates, and the end of support plate is fixed on motor casing
(5) on inner wall, the gap between motor casing (5), stator core (4) and support plate forms the channel of cold wind output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821196217.4U CN208386341U (en) | 2018-07-26 | 2018-07-26 | A kind of high-speed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821196217.4U CN208386341U (en) | 2018-07-26 | 2018-07-26 | A kind of high-speed motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208386341U true CN208386341U (en) | 2019-01-15 |
Family
ID=64961254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821196217.4U Expired - Fee Related CN208386341U (en) | 2018-07-26 | 2018-07-26 | A kind of high-speed motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208386341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111600421A (en) * | 2020-04-24 | 2020-08-28 | 浙江奇志电机股份有限公司 | Noise-reduction variable-frequency brake motor |
-
2018
- 2018-07-26 CN CN201821196217.4U patent/CN208386341U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111600421A (en) * | 2020-04-24 | 2020-08-28 | 浙江奇志电机股份有限公司 | Noise-reduction variable-frequency brake motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20210726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |