CN109286257A - Rotor and motor - Google Patents
Rotor and motor Download PDFInfo
- Publication number
- CN109286257A CN109286257A CN201811472653.4A CN201811472653A CN109286257A CN 109286257 A CN109286257 A CN 109286257A CN 201811472653 A CN201811472653 A CN 201811472653A CN 109286257 A CN109286257 A CN 109286257A
- Authority
- CN
- China
- Prior art keywords
- windward
- cooling duct
- wall
- rotor
- wind
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 claims abstract description 87
- 238000004891 communication Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 2
- 230000001186 cumulative effect Effects 0.000 claims 1
- 239000000112 cooling gas Substances 0.000 abstract description 18
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention relates to a kind of rotor and motors, comprising: shaft；Rotor core is socketed on outside the shaft；And enter the wind baffle and air outlet guard board, it is socketed on outside the shaft and is connected to respectively the axial ends of the rotor core, the air inlet baffle, the rotor core and the air outlet guard board three open up to form cooling duct along axially running through jointly for the shaft；Wherein, the air inlet baffle has the slot windward that is in communication with the outside away from the axial end face of the rotor core, and the slot windward includes bottom wall and protrudes from the first of the bottom wall and keep out the wind wall, and air inlet is formed on the bottom wall in the cooling duct；Air inlet keeps out the wind with described first in the cooling duct, and wall described in arrange windward by the direction windward of slot.Cooling gas is from when slot flows to cooling duct windward, and the blocking for being kept out the wind wall by first, flow velocity is slack-off, and local pressure increases, to cause have pressure difference between slot and cooling duct windward, flows into cooling duct convenient for cooling gas.
Description
Technical field
The present invention relates to technical field of driving, more particularly to a kind of rotor and motor.
Background technique
High-speed permanent magnet motor has many advantages, such as that small in size, power density is big and high-efficient, while turn of high-speed permanent magnet motor
Speed is up to tens of thousands of turns even hundreds of thousands of turns per minute, and motor operation frequency is much higher than ordinary motor, and rotor core is because of eddy-current loss
Very big calorific value is generated with magnetic loss, high-speed permanent magnet motor is since heat dissipation small in size is more difficult, so as to cause rotor operation temperature
Height is spent, permanent magnet is easy to demagnetize under high temperature and armature-reaction, therefore how to improve the ventilating and cooling effect of magneto
Fruit is one of the key technology for designing magneto.
The rotor of conventional permanent magnet motor includes that shaft, rotor core, air inlet baffle and air outlet guard board, rotor core are socketed on
Outside shaft, enters the wind baffle and air outlet guard board is socketed in shaft and fits in the both ends in rotor core axial direction, it is axial along shaft,
Through-hole on air inlet baffle, rotor core and air outlet guard board is oppositely arranged to form the cooling duct of supplied gas circulation.
Above-mentioned rotor, when shaft rotates, cooling gas will flow through to take away the heat of rotor from above-mentioned cooling duct,
To reduce the temperature rise of rotor.But in practical work process, closed gas will form in cooling duct when shaft high speed rotation
Film, cooling gas is difficult to that the heat of rotor is flowed through and taken away from cooling duct, bad so as to cause cooling effect.
Summary of the invention
Based on this, it is necessary to which the bad problem of cooling effect caused by the design method for conventional rotors provides one
Kind has the rotor and motor of preferable cooling effect.
A kind of rotor, comprising:
Shaft；
Rotor core is socketed on outside the shaft；And
Baffle and air outlet guard board are entered the wind, axial the two of the rotor core are socketed on outside the shaft and are connected to respectively
End, the air inlet baffle, the rotor core and the air outlet guard board three open up shape along axially running through jointly for the shaft
At cooling duct；
Wherein, the air inlet baffle has the slot windward being in communication with the outside, institute away from the axial end face of the rotor core
It states slot windward to include bottom wall and protrude from the first of the bottom wall and keep out the wind wall, air inlet is formed in the bottom in the cooling duct
On wall；Air inlet keeps out the wind with described first in the cooling duct, and wall described in arrange windward by the direction windward of slot.
The slot windward goes material to be formed by the axial end face of the air inlet baffle in one of the embodiments,.
The slot windward includes the first air intake for keeping out the wind wall, the cooling described in face in one of the embodiments,
Air inlet is located at and described first keeps out the wind between wall and the air intake in channel, and in the air intake, the cooling duct into
Air port and described first keep out the wind wall three along the shaft circumferentially.
The slot windward is along the radial sectional area of the shaft from the air intake to institute in one of the embodiments,
Stating slot windward, there is described first one end for keeping out the wind wall to be gradually increased.
Air inlet is set in cooling duct described in the wall paddy face of the bottom wall of slot windward in one of the embodiments,
It sets.
The bottom wall of the slot windward is the arc to smoothly transit in one of the embodiments,.
The air outlet guard board is provided with leeward convex away from the axial end face of the rotor core in one of the embodiments,
It rises, the leeward protrusion is surrounded on air outlet in the cooling duct, and the leeward protrusion includes being connected to the cooling duct
Outlet air end between middle air outlet and the external world, the outer surface of the leeward protrusion form second and keep out the wind wall, and described second keeps out the wind wall
Direction windward with the outlet air end along the leeward protrusion is arranged；
Wherein, described second wall that keeps out the wind is logical from the leeward protrusion and the cooling along the radial sectional area of the shaft
One end that air outlet is connected in road is gradually reduced to the outlet air end.
One end that the leeward protrusion is connected to air outlet in the cooling duct in one of the embodiments, with it is described
Outlet air end along the shaft circumferentially.
Air outlet is set in cooling duct described in the wall peak face of the inner wall of the leeward protrusion in one of the embodiments,
It sets.
The leeward protrusion is drops in one of the embodiments, and described second wall that keeps out the wind is the arc to smoothly transit
Shape.
A kind of motor, including stator and rotor as described in any one of the above embodiments, the rotor are rotationally socketed on described
In stator.
Above-mentioned rotor and motor, when cooling gas is along the direction windward flowing of slot windward, the blocking for being kept out the wind wall by first,
Flow velocity is slack-off, and local pressure increases, to generate pressure difference between air inlet in cooling duct, flows to convenient for cooling gas cold
But in channel, cooling effect is so improved.
Detailed description of the invention
Fig. 1 is the structure chart for the rotor that one embodiment of the invention provides；
Fig. 2 is the structure chart of the air inlet baffle of rotor shown in Fig. 1；
Fig. 3 is the bottom view of air inlet baffle shown in Fig. 2；
Fig. 4 is the cross-sectional view of air inlet baffle shown in Fig. 2；
Fig. 5 is the structure chart of the air outlet guard board of rotor shown in Fig. 1；
Fig. 6 is the front view of air outlet guard board shown in Fig. 5；
Fig. 7 is the cross-sectional view of air outlet guard board shown in Fig. 5.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more thorough
Comprehensively.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Refering to fig. 1 and Fig. 2, one embodiment of the invention provide a kind of motor, which includes stator and rotor 100, rotor
100 are rotationally socketed in stator.
Rotor 100 includes that shaft 10, rotor core 20, air inlet baffle 30 and air outlet guard board 40, rotor core 20 are socketed on
Outside shaft 10, air inlet baffle 30 and air outlet guard board 40 are socketed on outside shaft 10, and enter the wind baffle 30 and air outlet guard board 40 along turning
The axial direction of axis 10 is connected to the axial ends of rotor core 20 respectively.Specifically, baffle 30, rotor core 20 and windscreen out are entered the wind
Plate 40 is interference fitted with shaft 10, and the value of interference fit for entering the wind baffle 30 and air outlet guard board 40 is greater than rotor core 20 and turns
The value of interference fit of axis 10 so enters the wind baffle 30 and air outlet guard board 40 for rotor core 20 along the axial direction of shaft 10 and circumferential jail
Admittedly be fixed in shaft 10.
For the cooling convenient for rotor 100, baffle 30, rotor core 20 and 40 three of air outlet guard board are entered the wind along the axis of shaft 10
To common through cooling duct a is offered, when rotor 100 rotates, ambient atmos enter cooling logical from the air inlet of cooling duct a
Road a simultaneously flows to the external world from the air outlet of cooling duct a, is so turned by flowing of the gas in a of cooling duct with reaching cooling
The purpose of son 100.
After refering to Fig. 2-4, in one embodiment, air inlet baffle 30 away from the axial end face of rotor core 20 have with it is outer
Slot 31 windward of boundary's connection, slot 31 includes that bottom wall 310 and first are kept out the wind wall 311 windward, and first wall 311 that keeps out the wind protrudes from bottom wall
319 settings, the air inlet of above-mentioned cooling duct a are formed on the bottom wall 310 of slot 31 windward.
Specifically, the air inlet of cooling duct a and first keep out the wind wall 311 along slot 31 windward direction windward arrange.
In this way, gas enters slot 31 windward, and along the direction windward stream of slot 31 windward when 100 high speed rotation of rotor
It is dynamic, it keeps out the wind wall 311 when gas hits first, the barrier effect for keeping out the wind wall 311 due to first, gas flow rate is slack-off, this time domain
Pressure increases, to form pressure difference between the air inlet of cooling duct a, gas is readily flowed to cold under the action of pressure difference
But in a of channel, the flow into the cooling gas in a of cooling duct is increased, so that the cooling effect of rotor 100 is improved,
Rotor 100 is avoided to heat up when rotating at high speed excessively high.
It should be noted that the rotation direction of above-mentioned rotor 100 is opposite with the direction windward of slot 31 windward.
Specifically, cooling duct a is at least two, and at least two cooling duct a are set along the circumferential uniform intervals of shaft 10
It sets, the quantity of slot 31 and the quantity of cooling duct a correspond windward.
In one embodiment, above-mentioned slot windward 31 is that the axial end face of air inlet baffle 30 goes material to be formed.It is to be appreciated that
In another embodiment, it above-mentioned slot windward 31 or is convexly equipped in the plate windward of axial end face of air inlet baffle 30 and encloses and set shape
At being not limited thereto.
In one embodiment, along the radial direction of shaft 10, the sectional area of slot 31 windward is set from air intake 312 to slot windward
31 there is first one end for keeping out the wind wall 311 to be gradually increased.
By above-mentioned setting, when cooling gas from the air intake 312 of slot 31 windward flow to first keep out the wind wall 311 when, along turning
The sectional area radially of axis 10 is gradually increased, and cooling gas keeps out the wind wall 311 compared to the flow velocity change in air intake 312 first
Slowly, pressure increases, and can increase the pressure difference of slot 31 windward and the air inlet of cooling duct a, at this time in order to which gas is from windward
Slot 31 flows in a of cooling duct.
In one embodiment, air intake 312 is set, air inlet and first keeps out the wind 311 three of wall along turning in a of cooling duct
The circumferential setting of axis 10.So enter in slot 31 windward convenient for cooling gas from air intake 312, and flows to and cool down from slot 31 windward
In a of channel.
It specifically, is end point on circle with the air inlet center of cooling duct a to enter the wind the center of circle of baffle 30 as the center of circle
Do circle, the center of air intake 312 with first keep out the wind wall 311 center line be the circle a part.
In one embodiment, the air inlet setting of the wall paddy face cooling duct a of the bottom wall 310 of slot 31 windward, so
Guarantee that slot 31 in the connectivity part of the air inlet with cooling duct a has maximum sectional area windward, convenient in face cooling duct a
Position form maximum pressure difference, in order to which cooling gas flows in a of cooling duct.
Specifically, the flowing for the ease of cooling gas in slot 31 windward, it is smooth that the bottom wall 310 of slot 31 windward, which is arranged,
The arc of transition.
In a specific embodiment, in order to reach preferable effect windward, circumferential direction of the slot 31 along shaft 10 windward is set
Length be cooling duct a 3-5 times of internal diameter of air inlet, slot 31 windward is set and is connected to the air inlet of cooling duct a
The width at place is 2-3 times of the internal diameter of the air inlet of cooling duct a.
Refering to Fig. 5-Fig. 7, in one embodiment, air outlet guard board 40 is arranged away from the axial end face projection of rotor core 20
There are leeward raised 41, leeward raised 41 to be surrounded on air outlet in a of cooling duct, leeward raised 41 include being connected to cooling duct a
Outlet air end 411 between middle air outlet and the external world, leeward raised 41 outer surface form second and keep out the wind wall 412, and second keeps out the wind wall
412 arrange with outlet air end 411 along leeward raised 41 direction windward.
Specifically, second wall 412 that keeps out the wind goes out from leeward raised 41 with a of cooling duct along the radial sectional area of shaft 10
One end of air port connection is gradually reduced to outlet air end 411.
Specifically, leeward raised 41 quantity is equal with the quantity of cooling duct a, and each leeward raised 41 correspond to one
Cooling duct a setting.
In this way, when 100 high speed rotation of rotor, when ambient gas flows through leeward raised 41, keep out the wind wall 412 due to second
Stop, thus cause backwards to second keep out the wind wall 412 setting outlet air end 411 cooling gas flow velocity increase, thus pressure compared with
It is small, the shape pressure difference between the air outlet and leeward raised 41 outlet air end 411 of cooling duct a, so that cooling gas is easier
After from cooling duct, a is flowed in leeward raised 41, flowed out from leeward raised 41 outlet air end 411.
If the pressure difference that the slot windward 31 of definition air inlet baffle 30 and the air inlet of cooling duct a are formed is the first pressure
Difference, the pressure difference formed between the air outlet of cooling duct a and leeward raised 41 outlet air end 411 are the second pressure difference, due to
Pressure in entire cooling duct a is equal, then the first pressure difference is superimposed with the second pressure difference, and gas of being more convenient for flows into cold from the external world
But channel a and from cooling duct a flow out.
It should be noted that the rotation direction of above-mentioned rotor 100 and leeward raised 41 direction windward on the contrary, namely
It is identical as leeward raised 41 direction windward for the direction windward of slot 31 windward.
In one embodiment, one end and outlet air end 411 that setting leeward raised 41 is connected to the air outlet of cooling duct a
Circumferentially along shaft 10, so enter in leeward raised 41 convenient for cooling gas from the air outlet of cooling duct a, and from back
The outlet air end 411 of wind protrusion 41 flows out.
It specifically, is a little to do circle on circle with the air outlet of cooling duct a by the center of circle of the center of circle of air outlet guard board 40,
The line at the center at the center and outlet air end 411 of leeward raised 41 one end being connected to the air outlet of cooling duct a is the circle
A part.
In one embodiment, the wall peak face cooling duct a setting of leeward raised 41 inner wall, so guarantees leeward convex
The part for playing the air outlet of 41 face cooling duct a has maximum sectional area, in order to which cooling gas is flowed to from cooling duct a
Outflow in leeward raised 41.
Specifically, setting leeward raised 41 is drops, and second wall 412 that keeps out the wind be the arc to smoothly transit, so guarantee
Second windproof effect for keeping out the wind wall 412.
In one embodiment, above-mentioned leeward raised 41 formed by milling after be welded with air outlet guard board 40, or
Then milling forms after welding first with air outlet guard board 40.
It is to be appreciated that in another embodiment, in view of the versatility for entering the wind baffle 30 and air outlet guard board 40, out
Windshield plate 40 is also the set-up mode of air inlet baffle 30, but the opening side of the slot windward 31 of air outlet guard board 40 and air inlet baffle 30
To opposite.
One embodiment of the invention also provides rotor 100 included by a kind of above-mentioned motor.
Rotor 100 and motor provided in an embodiment of the present invention, have the advantages that
1, air inlet baffle 30 has slot 31 windward, and gas is when hit slot 31 windward first keeps out the wind wall 311, gas flow rate
It is slack-off, so that area pressure be caused to increase, form the first pressure difference between slot 31 and the air inlet of cooling duct a windward at this time,
It is flowed into a of cooling duct under the action of the first pressure difference convenient for cooling gas, improves the cooling effect of rotor 100；
2, air outlet guard board 40 is provided with leeward raised 41, and ambient gas second is kept out the wind when flowing through leeward raised 41 by it
Wall 412 stop, thus cause backwards to second keep out the wind wall 412 outlet air end 411 cooling gas flow velocity it is very fast, thus pressure compared with
It is small, the second pressure difference such as is formed between the air outlet external world of cold air duct a, is convenient for cooling air under the action of the second pressure difference
Body is flowed out from cooling duct a, further improves cooling effect.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (11)
1. a kind of rotor (100) characterized by comprising
Shaft (10)；
Rotor core (20) is socketed on the shaft (10) outside；And
Baffle (30) and air outlet guard board (40) are entered the wind, the shaft (10) is socketed on and is connected to the rotor core outside and respectively
(20) axial ends, the air inlet baffle (30), the rotor core (20) and the air outlet guard board (40) three are along described
Axially running through jointly for shaft (10) opens up to form cooling duct (a)；
Wherein, axial end face of air inlet baffle (30) away from the rotor core (20) has the slot windward being in communication with the outside
(31), the slot windward (31) includes bottom wall (310) and protrudes from the first of the bottom wall (310) and keep out the wind wall (311), described cold
But air inlet is formed on the bottom wall (310) in channel (a)；Air inlet keeps out the wind with described first in the cooling duct (a)
Wall (311) is arranged along the direction windward of the slot windward (31).
2. rotor (100) according to claim 1, which is characterized in that the slot windward (31) is by the air inlet baffle
(30) axial end face goes material to be formed.
3. rotor (100) according to claim 1, which is characterized in that the slot windward (31) includes first described in face
Keep out the wind the air intakes (312) of wall (311), in the cooling duct (a) air inlet be located at described first keep out the wind wall (311) with it is described
Between air intake (312), and air inlet and described first keep out the wind wall in the air intake (312), the cooling duct (a)
(311) three along the shaft (10) circumferentially.
4. rotor (100) according to claim 3, which is characterized in that the slot windward (31) is along the shaft (10)
Radial sectional area from the air intake (312) to the slot (31) windward with described first keep out the wind wall (311) one end by
It is cumulative big.
5. rotor (100) according to claim 1, which is characterized in that the wall paddy of the bottom wall (310) of the slot windward (31)
Air inlet is arranged in cooling duct (a) described in face.
6. rotor (100) according to claim 1, which is characterized in that the bottom wall (310) of the slot windward (31) is smooth
The arc of transition.
7. rotor (100) according to claim 1-6, which is characterized in that the air outlet guard board (40) deviates from institute
The axial end face for stating rotor core (20) is provided with leeward raised (41), and leeward raised (41) are surrounded on the cooling duct
(a) air outlet in, described leeward raised (41) include the outlet air being connected in the cooling duct (a) between air outlet and the external world
Hold (411), the outer surface of leeward raised (41) forms second and keeps out the wind wall (412), described second keep out the wind wall (412) with it is described
Direction windward arrangement of the outlet air end (411) along leeward raised (41)；
Wherein, described second keep out the wind wall (412) along the shaft (10) radial sectional area from leeward raised (41) with
One end being gradually reduced to the outlet air end (411) that air outlet is connected in the cooling duct (a).
8. rotor (100) according to claim 7, which is characterized in that leeward raised (41) and the cooling duct
(a) in air outlet be connected to one end and the outlet air end (411) along the shaft (10) circumferentially.
9. rotor (100) according to claim 7, which is characterized in that the wall peak of the inner wall of leeward raised (41) is just
Air outlet in the cooling duct (a) is arranged.
10. rotor (100) according to claim 7, which is characterized in that described leeward raised (41) are drops, described
Second wall (412) that keeps out the wind is the arc to smoothly transit.
11. a kind of motor, which is characterized in that described including stator and such as described in any item rotors of claim 1-10 (100)
Rotor (100) is rotationally socketed in the stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811472653.4A CN109286257B (en) | 2018-12-04 | 2018-12-04 | Rotor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811472653.4A CN109286257B (en) | 2018-12-04 | 2018-12-04 | Rotor and motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109286257A true CN109286257A (en) | 2019-01-29 |
| CN109286257B CN109286257B (en) | 2024-04-09 |
Family
ID=65174117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811472653.4A Active CN109286257B (en) | 2018-12-04 | 2018-12-04 | Rotor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109286257B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113014008A (en) * | 2021-02-07 | 2021-06-22 | 珠海格力电器股份有限公司 | Rotor structure, motor, converter and have its centrifuge |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0649211A2 (en) * | 1993-10-14 | 1995-04-19 | Matsushita Electric Industrial Co., Ltd. | Induction machine and method for manufacturing a rotor of the induction machine |
| JPH0865933A (en) * | 1994-08-11 | 1996-03-08 | Matsushita Electric Ind Co Ltd | Rotor core of motor |
| JP2009195089A (en) * | 2008-02-18 | 2009-08-27 | Toyota Industries Corp | Rotating electric machine |
| CN104821671A (en) * | 2015-05-19 | 2015-08-05 | 永济新时速电机电器有限责任公司 | Compact-type rotor structure with rotor wind path |
| CN207010526U (en) * | 2017-05-06 | 2018-02-13 | 山东峻齐电气有限公司 | A kind of magnetic actuator of efficient energy-saving |
| CN208986712U (en) * | 2018-12-04 | 2019-06-14 | 珠海格力电器股份有限公司 | Rotor and motor |
-
2018
- 2018-12-04 CN CN201811472653.4A patent/CN109286257B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0649211A2 (en) * | 1993-10-14 | 1995-04-19 | Matsushita Electric Industrial Co., Ltd. | Induction machine and method for manufacturing a rotor of the induction machine |
| JPH0865933A (en) * | 1994-08-11 | 1996-03-08 | Matsushita Electric Ind Co Ltd | Rotor core of motor |
| JP2009195089A (en) * | 2008-02-18 | 2009-08-27 | Toyota Industries Corp | Rotating electric machine |
| CN104821671A (en) * | 2015-05-19 | 2015-08-05 | 永济新时速电机电器有限责任公司 | Compact-type rotor structure with rotor wind path |
| CN207010526U (en) * | 2017-05-06 | 2018-02-13 | 山东峻齐电气有限公司 | A kind of magnetic actuator of efficient energy-saving |
| CN208986712U (en) * | 2018-12-04 | 2019-06-14 | 珠海格力电器股份有限公司 | Rotor and motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113014008A (en) * | 2021-02-07 | 2021-06-22 | 珠海格力电器股份有限公司 | Rotor structure, motor, converter and have its centrifuge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109286257B (en) | 2024-04-09 |
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