CN206595818U - A kind of motor with temperature with high efficiency function - Google Patents
A kind of motor with temperature with high efficiency function Download PDFInfo
- Publication number
- CN206595818U CN206595818U CN201720309850.9U CN201720309850U CN206595818U CN 206595818 U CN206595818 U CN 206595818U CN 201720309850 U CN201720309850 U CN 201720309850U CN 206595818 U CN206595818 U CN 206595818U
- Authority
- CN
- China
- Prior art keywords
- centrifugal fan
- air
- motor
- plate section
- casing
- Prior art date
- 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
Links
Landscapes
- Motor Or Generator Cooling System (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a kind of motor with temperature with high efficiency function, including casing, motor body, end cap and centrifugal fan, end cap is arranged on the end of casing, and motor body and centrifugal fan are arranged on the inside of casing, casing is provided with multiple air channels, and there is an air inlet in each air channel；Centrifugal fan is provided with multiple fan blade；The inner surface of end cap is fixed with multiple stators；Multiple stators are located between casing and centrifugal fan.The cooling air-flow that the utility model flows out by setting multiple stators on electric motor end cap, by centrifugal fan forces to separate, and makes cooling air-flow import to greatest extent in the air channel of casing, and eventually enter into motor internal to cool down motor body；Take full advantage of the cooling air-flow of centrifugal fan blowout, it is to avoid cooling air-flow along centrifugal fan do unnecessary circumferential flow and cause cooling air-flow can not diffusion arrive motor internal, waste air-flow mechanical can phenomenon generation.
Description
Technical field
The utility model belongs to technical field of motors, more particularly, to a kind of motor with temperature with high efficiency function.
Background technology
Compact(ing) machine imports thermal diffusivity of the interior air quantity to rotor of motor internal due to the limitation of profile and size
The influence of energy is especially great.In the efficient high-speed motor of compact conformation, the centrifugal fan of motor generally radially centrifugal fan.
In order to eliminate the thermic load that high speed operation of motor is brought, the ratio that the size of the centrifugal fan of usual motor is all designed is larger so that
The distance between the air outlet of centrifugal fan and the air inlet of motor case are nearer.Because space is smaller, come out from centrifugal fan
Cooling air-flow speed it is also very high, in this case, the circumferential speed of cooling air-flow be often more than its radial velocity,
Directly result in circumferential flow of the most cooling air-flow along centrifugal fan, it is impossible to which diffusion has to motor internal to motor
The cooling of effect, while also result in the waste of substantial amounts of air-flow mechanical energy.
The content of the invention
The purpose of this utility model is to provide a kind of motor with temperature with high efficiency function, to overcome the centrifugation of existing motor
Circumferential flow of the cooling air-flow of fan blowout along centrifugal fan, it is impossible to which what diffusion to motor internal was cooled to motor asks
Topic.
In order to achieve the above object, the utility model is achieved using following technical scheme.
A kind of motor with temperature with high efficiency function, including casing, motor body, end cap and centrifugal fan, end cap are installed
In the end of casing, motor body and centrifugal fan are arranged on the inside of casing, and casing is provided with multiple air channels, and each air channel has
One air inlet；Centrifugal fan is provided with multiple fan blade；The inner surface of end cap is fixed with multiple stators；Multiple stator positions
Between casing and centrifugal fan.
Wherein, stator is made up of flat plate section and arc plate section, one end of flat plate section and one end connection of arc plate section, flat plate section and
Arc plate section is formed in one structure.
Further, the other end of flat plate section is towards casing, and the other end of arc plate section is towards centrifugal fan.
Furthermore, the number of stator is consistent with the number in air channel；Air inlet one stator of correspondence in each air channel, stator is located at
The side of air inlet, the side is downstream of the centrifugal fan direction of rotation relative to air inlet；And the other end of flat plate section is close
The side wall of the air inlet side.
In addition, arc plate section towards the angle between the tangent line c and flat plate section of centrifugal fan one end be α；Arc plate section towards from
Angle between the tangent line c and centrifugal fan of heart fan one end cylindrical linear velocity u is θ；α+θ=90 °；
Wherein, θ=artan (w/u), w be centrifugal fan air outlet at relative air speed, u be centrifugal fan (2) outside
Round linear velocity；
And
D is the outside diameter of centrifugal fan, and Z is the quantity of centrifugal fan fan blade, and δ is the thickness of fan blade, and b is
Width between two fan blade outlets, n is the rotating speed of motor body, QvFor cooling air-flow flow.
The beneficial effects of the utility model are:By setting multiple stators on electric motor end cap, centrifugal fan is flowed out
Cooling air-flow forces to separate, and cooling air-flow is imported to greatest extent in the air channel of casing, and eventually enter into motor internal to electricity
Machine body is cooled down；Take full advantage of the cooling air-flow of centrifugal fan blowout, it is to avoid cooling air-flow is done not along centrifugal fan
Necessary circumferential flow and cause cooling air-flow can not diffusion to motor internal, waste air-flow mechanical can phenomenon occur.
Brief description of the drawings
Fig. 1 is the half-sectional structural representation of the utility model motor；
Fig. 2 is the concrete structure schematic diagram of the utility model end cap and stator；
Fig. 3 is the concrete structure schematic diagram of the utility model casing, end cap, stator and centrifugal fan；
Fig. 4 is the partial enlarged drawing that the utility model stator is arranged between casing and centrifugal fan；
Fig. 5 a are that stator is fitted without on end cap, the CFD analogous diagrams of air current flow situation at casing air inlet of air duct；
Fig. 5 b are that stator is installed on end cap, the CFD analogous diagrams of air current flow situation at casing air inlet of air duct.
In figure, 1. casings；2. centrifugal fan；3. stator, 301. flat plate sections, 302. arc plate sections；4. end cap；5. air outlet；
6. air channel；7. fan blade, 8. air inlets, 9. motor bodies.
Embodiment
Reference picture 1, the utility model provides a kind of motor with temperature with high efficiency function, including casing 1, motor body 9,
End cap 4 and centrifugal fan 2, end cap 4 are arranged on the end of casing 1, and motor body 9 and centrifugal fan 2 are arranged on inside casing 1；
Casing 1 is provided with multiple air channels 6, and there is an air inlet 8 in each air channel 6；Centrifugal fan 2 is provided with air outlet 5 and multiple fans
Blade 7.
Reference picture 1, Fig. 2 and Fig. 3, the inner surface of end cap 4 are fixed with multiple stators 3, multiple stators 3 be located at casing 1 with
Between centrifugal fan 2.Stator 3 is made up of flat plate section 301 and arc plate section 302, one end of flat plate section 301 and the one of arc plate section 302
End connection, flat plate section 301 and arc plate section 302 are formed in one structure.The other end of flat plate section 301 is towards casing 1, arc plate section
302 other end is towards centrifugal fan 2.The number of stator 3 is consistent with the number in air channel 6；The correspondence of air inlet 8 in each air channel 6
One stator 3, stator 3 is located at the side of air inlet 8, and the side is downstream of the direction of rotation of centrifugal fan 2 relative to air inlet 8；
And the other end of flat plate section 301 is close to the side wall of the side of air inlet 8.
When motor works, the fan blade 7 of centrifugal fan 2 is rotated, and cooling air is blown out from the air outlet 5 of centrifugal fan 2,
Multiple stators 3 are set on the end cap 4 of the utility model motor, and the cooling air-flow that centrifugal fan 2 flows out is forced to separate by stator 3,
More cooling air-flows are made to import air inlet 8 and then flow into air channel 6, the cold air for finally flowing into air channel 6 enters motor internal
Motor body 9 is cooled down；The utility model stator 3 is made up of flat plate section 301 and arc plate section 302, and energy will be from centrifugal fan 2
The cooling air-flow that air outlet 5 flows out is imported in air inlet 8 to greatest extent.The utility model takes full advantage of centrifugal fan 2 and blown
The cooling air-flow gone out, it is to avoid cooling air-flow does unnecessary circumferential flow along centrifugal fan 2 and causes cooling air-flow not expand
Motor internal is pressed onto, the phenomenon for wasting air-flow mechanical energy occurs.
Reference picture 4, arc plate section 302 towards the angle between the tangent line c and flat plate section 301 of the one end of centrifugal fan 2 be α；Arc
Plate section 302 towards the angle between the tangent line c and centrifugal fan 2 of the one end of centrifugal fan 2 cylindrical linear velocity u be θ；α+θ=
90°；
Wherein, θ=artan (w/u), W are the relative air speed at the air outlet 5 of centrifugal fan 2, and u is outside centrifugal fan 2
Round linear velocity；
And
D is the outside diameter of centrifugal fan 2, and Z is the quantity of the fan blade 7 of centrifugal fan 2, and δ is the thickness of fan blade 7
Degree, b is the width between two fan blade 7 are exported, and n is the rotating speed of motor body 9, QvFor cooling air-flow flow.
It is the value that can determine that α by above formula.
Reference picture 5a and Fig. 5 b, can be seen that from the two CFD analogous diagrams, increase by 3 pairs of centrifugation wind of stator on end cap 4
The cooling air-flow that the air outlet 5 of fan 2 flows out is carried out after barrier shunting, and the throughput into the cooling air-flow of air inlet 8 is much big
Throughput when stator is not added with, the throughput for occurring circumferential movement is also only only a small amount.Therefore the utility model is in end cap 4
After upper setting stator, air-flow mechanical is being avoided to waste, the effect in terms of reduction motor temperature is very significant, and this practicality
New is simple in construction, and cost is low, is adapted to be widely popularized.
Claims (5)
1. a kind of motor with temperature with high efficiency function, including casing (1), motor body (9), end cap (4) and centrifugal fan
(2), the end cap (4) is arranged on the end of casing (1), and motor body (9) and centrifugal fan (2) are arranged on the interior of casing (1)
Portion, it is characterised in that：The casing (1) is provided with multiple air channels (6), and each air channel (6) has an air inlet (8)；Centrifuge wind
Fan (2) is provided with multiple fan blade (7)；The inner surface of the end cap (4) is fixed with multiple stators (3)；Multiple stators (3)
Between casing (1) and centrifugal fan (2).
2. there is the motor of temperature with high efficiency function according to claim 1, it is characterised in that：The stator (3) is by flat plate section
(301) with arc plate section (302) composition, one end of flat plate section (301) and one end connection of arc plate section (302), flat plate section (301) and
Arc plate section (302) is formed in one structure.
3. there is the motor of temperature with high efficiency function according to claim 2, it is characterised in that：The flat plate section (301) it is another
One end is towards casing (1), and the other end of arc plate section (302) is towards centrifugal fan (2).
4. there is the motor of temperature with high efficiency function according to claim 3, it is characterised in that：The number of the stator (3) with
The number in air channel (6) is consistent；Air inlet (8) one stator (3) of correspondence in each air channel (6), stator (3) is located at air inlet (8)
Side, the side be centrifugal fan (2) direction of rotation relative to air inlet (8) downstream；And the other end of flat plate section (301)
Side wall close to air inlet (8) side.
5. there is the motor of temperature with high efficiency function according to claim 4, it is characterised in that：Described arc plate section (302) direction
Angle between the tangent line c and flat plate section (301) of centrifugal fan (2) one end is α；Arc plate section (302) is towards centrifugal fan (2) one
Angle between the tangent line c and centrifugal fan (2) at end cylindrical linear velocity u is θ；α+θ=90 °；
Wherein, θ=artan (w/u), w are the relative air speed at centrifugal fan (2) air outlet (5) place, and u is centrifugal fan (2)
Cylindrical linear velocity；
And
<mrow>
<mi>u</mi>
<mo>=</mo>
<mfrac>
<mrow>
<mi>n</mi>
<mi>&pi;</mi>
<mi>D</mi>
</mrow>
<mn>60</mn>
</mfrac>
<mo>;</mo>
</mrow>
D is the outside diameter of centrifugal fan (2), and Z is the quantity of centrifugal fan (2) fan blade (7), and δ is fan blade (7)
Thickness, b is the width between two fan blade (7) outlets, and n is the rotating speed of motor body (9), QvFor cooling air-flow flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720309850.9U CN206595818U (en) | 2017-03-28 | 2017-03-28 | A kind of motor with temperature with high efficiency function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720309850.9U CN206595818U (en) | 2017-03-28 | 2017-03-28 | A kind of motor with temperature with high efficiency function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206595818U true CN206595818U (en) | 2017-10-27 |
Family
ID=60121721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720309850.9U Expired - Fee Related CN206595818U (en) | 2017-03-28 | 2017-03-28 | A kind of motor with temperature with high efficiency function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206595818U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI679832B (en) * | 2019-03-15 | 2019-12-11 | 東元電機股份有限公司 | Motor rotor frame |
| TWI683507B (en) * | 2018-10-03 | 2020-01-21 | 東元電機股份有限公司 | Rotor structure with external airflow producing element |
| CN111009980A (en) * | 2018-10-08 | 2020-04-14 | 东元电机股份有限公司 | Rotor structure with external airflow generating element |
| CN117791944A (en) * | 2024-02-18 | 2024-03-29 | 深圳市凯福机电设备有限公司 | Motor for vacuum pump |
-
2017
- 2017-03-28 CN CN201720309850.9U patent/CN206595818U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI683507B (en) * | 2018-10-03 | 2020-01-21 | 東元電機股份有限公司 | Rotor structure with external airflow producing element |
| CN111009980A (en) * | 2018-10-08 | 2020-04-14 | 东元电机股份有限公司 | Rotor structure with external airflow generating element |
| CN111009980B (en) * | 2018-10-08 | 2020-11-10 | 东元电机股份有限公司 | Rotor structure with external airflow generating element |
| TWI679832B (en) * | 2019-03-15 | 2019-12-11 | 東元電機股份有限公司 | Motor rotor frame |
| CN117791944A (en) * | 2024-02-18 | 2024-03-29 | 深圳市凯福机电设备有限公司 | Motor for vacuum pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206595818U (en) | A kind of motor with temperature with high efficiency function | |
| CN102290922B (en) | Double-fed wind generator | |
| CN103658691B (en) | A kind of speed electric rolling-ball main shaft | |
| CN108711964B (en) | Permanent magnet motor with built-in multistage fan type double-path self-circulation ventilation cooling system | |
| CN106451915B (en) | A kind of outer-rotor permanent magnet motor stator | |
| CN107681830B (en) | Totally-enclosed motor, air-cooled impeller thereof and electric vehicle using motor | |
| CN108649749B (en) | Switched reluctance motor with water injection type winding and multidirectional self-circulation ventilation system | |
| CN102769362A (en) | Large-power three-phase asynchronous motor with built-in cooler | |
| CN108023441B (en) | Novel motor wind path structure | |
| CN205792028U (en) | A kind of cooperating type Axial and radial stator end ventilation cooling system of non salient pole generator | |
| CN103066753A (en) | Brushless motor for chain saw | |
| CN207559785U (en) | A kind of motor of stator with ventilation slot mouth | |
| CN105245042B (en) | Wind path structure in a kind of permanent-magnetic wind driven generator | |
| CN202183693U (en) | Double-fed wind driven generator | |
| CN104578649B (en) | Axial direction sectional type motor rotor with arc-shaped air deflectors | |
| CN1713491A (en) | Variable frequency speed-adjusting permanent magnet synchronous motor | |
| CN201381955Y (en) | Air-water cooling device for wind-driven generator | |
| CN108365703A (en) | The air-cooled impeller of motor, double air duct motors and electric vehicle | |
| CN204928437U (en) | Novel wind path cooling structure | |
| CN202798342U (en) | Large-power explosion-suppression type three-phase asynchronous motor with built-in cooler | |
| CN207513925U (en) | A kind of double water conservancy diversion ring-type fans with bladed air separator | |
| CN109450130A (en) | Frequency converting speed regulating three-phase asynchronous electromotor rotor structure | |
| CN203261190U (en) | Heat radiation structure of superspeed PMSM | |
| CN206834878U (en) | A kind of new threephase asynchronous | |
| CN206099614U (en) | Electric motor |
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: 20171027 Termination date: 20200328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |