CN208986708U - Magneto rotor - Google Patents
Magneto rotor Download PDFInfo
- Publication number
- CN208986708U CN208986708U CN201821897794.6U CN201821897794U CN208986708U CN 208986708 U CN208986708 U CN 208986708U CN 201821897794 U CN201821897794 U CN 201821897794U CN 208986708 U CN208986708 U CN 208986708U
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- CN
- China
- Prior art keywords
- rotor
- ventilation slot
- hole
- several
- end plate
- 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.)
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- 238000009423 ventilation Methods 0.000 claims abstract description 47
- 238000004080 punching Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 238000004804 winding Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides a kind of magneto rotor, belongs to technical field of motors.It solves the problems such as existing motor radiating is poor.The utility model includes rotor body and armature spindle, rotor body is stacked by several rotor punchings, several holes are provided on each rotor punching, each rotor punching heap poststack, corresponding hole forms several axial ventilation slots on each rotor punching after being mutually butted, the both ends of rotor body are respectively arranged with front end-plate and end plate, the side of front end-plate is provided with several radial ventilation slots, radial ventilation slot and axial ventilation slot correspond, one end of axial ventilation slot is communicated with radial ventilation slot, the other end extends to end plate, several through-holes are provided on end plate, each through-hole and axial ventilation slot correspond, each through-hole is communicated with corresponding axial ventilation slot, that circumferential direction is gone back on end plate is provided with several fan blades.The utility model not only makes the magnet steel of motor lower with the temperature rise of winding at work, and motor overall performance is more preferable and at low cost.
Description
Technical field
The utility model belongs to technical field of motors, and in particular to a kind of magneto rotor.
Background technique
Rotor end plates are used for permanent magnet machine rotor, and there are two rotor end plates for a general motor, are mounted on by several turns
The axial sides for the rotor core that sub- punching is formed.
When operating normally, theoretical upper rotor part is lost magneto without fundamental wave, and rotor temperature rise should be lower, but in practice
Since the inevitable problem such as magnet steel eddy-current loss and harmonic loss causes rotor heating, temperature rise increases, if rotor
It radiating bad, magnet steel temperature can increase, and back-emf can be caused to decline, and cause current of electric big, and influence motor work and even burn
Bad motor.
In the prior art, the rotor end plates of magneto mostly use greatly flat, and both ends are stuffy, least a portion of electrical machinery plant
Rotor has there are ventilation hole, and rotor uses natural cooling, and magnet steel cannot radiate, and influences motor overall performance.
Utility model content
The purpose of this utility model is to be directed to the above problem present in existing magneto rotor, and propose a kind of dissipate
The good magneto rotor of thermal effect.
The purpose of this utility model can be realized by the following technical scheme:
Magneto rotor, which is characterized in that it includes rotor body, is provided with armature spindle in the middle part of rotor body,
The rotor body is stacked by several rotor punchings, if being circumferentially provided on each rotor punching along rotor punching center
Dry hole, each rotor punching heap poststack, corresponding hole forms several axial ventilation slots, rotor sheet after being mutually butted on each rotor punching
The both ends of body are respectively arranged with front end-plate and end plate, and the side of front end-plate is provided with several radial ventilation slots, radial ventilation slot
It is corresponded with axial ventilation slot, one end of axial ventilation slot is communicated with radial ventilation slot, and the other end extends to end plate, rear end
Several through-holes are provided on plate, each through-hole and axial ventilation slot correspond, and each through-hole is communicated with corresponding axial ventilation slot, institute
That circumferential direction is gone back on the end plate stated is provided with several fan blades.
Preferably, the hole is circular hole, square hole and polygonal hole.
Preferably, the axial ventilation slot is provided with six, and corresponding radial ventilation slot is also provided with six, through-hole
Provided with six.
Preferably, six fan blades are provided on the end plate, six fan blades are axially arranged and round end plate
Axis is circumferentially distributed, and each fan blade is arranged between above-mentioned adjacent through-hole.
Compared with prior art, the fan blade on the utility model end plate can form wind (or gas in motor operation
Stream), wind convection current, by the through-hole on end plate, the axial ventilation slot on rotor body and the radial ventilation slot on front end-plate are arrived
Up to the winding of magneto, magnet steel and winding on rotor can be made all to be cooled down；In addition the utility model not only makes electricity
The magnet steel of machine is lower with the temperature rise of winding at work, and motor overall performance is more preferable and at low cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram in another direction of the utility model；
Fig. 3 is the side view of the utility model；
Fig. 4 be Fig. 3 in A-A to sectional view.
In figure, 1, rotor body；2, armature spindle；3, axial ventilation slot；4, front end-plate；5, end plate；6, radial ventilation slot；
7, through-hole；8, fan blade.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As Figure 1-Figure 4, a kind of magneto rotor provided by the utility model, it includes rotor body 1, rotor
The middle part of ontology 1 is provided with armature spindle 2, and the rotor body 1 is stacked by several rotor punchings, edge on each rotor punching
Rotor punching center be circumferentially provided with several holes, which can be circular hole, square hole and polygonal hole.It is round in the present embodiment
Hole.
Each rotor punching heap poststack, corresponding hole forms several axial ventilation slots 3 after being mutually butted on each rotor punching, turns
The both ends of sub- ontology 1 are respectively arranged with front end-plate 4 and end plate 5, and the side of front end-plate 4 is provided with several radial ventilation slots 6, respectively
Radial ventilation slot 6 is arranged at equal intervals.One opening of radial ventilation slot 6 is in communication with the outside, radial ventilation slot 6 and axial ventilation slot
3 correspond, and one end of axial ventilation slot 3 is communicated with radial ventilation slot 6, and the other end extends to end plate 5, sets on end plate 5
Several through-holes 7 are equipped with, through-hole 7 is also circular.
Each through-hole 7 is corresponded with axial ventilation slot 3, and each through-hole 7 is communicated with corresponding axial ventilation slot 3, after described
That circumferential direction is gone back on end plate 5 is provided with several fan blades 8.
Axial ventilation slot 3 is provided with six, and corresponding radial ventilation slot 6 is also provided with six, and through-hole 7 is also provided with six
It is a.Six fan blades 8, the axial setting of six fan blades 8 and, each wind circumferentially distributed round the axis of end plate 5 are provided on end plate 5
Leaf 8 is arranged between above-mentioned adjacent two through hole 7.
Fan blade 8 on the utility model end plate 5 can be formed wind (or air-flow) in motor operation, wind convection current, be passed through
Through-hole 7 on end plate 5, the radial ventilation slot 6 on axial ventilation slot 3 and front end-plate 4 on rotor body 1 reach magneto
Winding, magnet steel and winding on rotor can be made all to be cooled down；In addition the utility model not only make the magnet steel of motor with
The temperature rise of winding at work is lower, and motor overall performance is more preferable and at low cost.
It should be understood that in claims, specification of the utility model, all " including ... " should be understood as out
The meaning of formula is put, that is, its meaning is equal to " at least containing ... ", but should not be understood as enclosed meaning, i.e. its meaning
It should not be construed " only including ... ".
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (4)
1. magneto rotor, which is characterized in that it includes rotor body, and armature spindle, institute are provided in the middle part of rotor body
The rotor body stated is stacked by several rotor punchings, is circumferentially provided on each rotor punching along rotor punching center several
Hole, each rotor punching heap poststack, corresponding hole forms several axial ventilation slots, rotor body after being mutually butted on each rotor punching
Both ends be respectively arranged with front end-plate and end plate, the side of front end-plate is provided with several radial ventilation slots, radial ventilation slot with
Axial ventilation slot corresponds, and one end of axial ventilation slot is communicated with radial ventilation slot, and the other end extends to end plate, end plate
On be provided with several through-holes, each through-hole and axial ventilation slot correspond, and each through-hole is communicated with corresponding axial ventilation slot, described
End plate on also circumferential be provided with several fan blades.
2. magneto rotor according to claim 1, which is characterized in that the hole is circular hole, square hole and polygon
Shape hole.
3. magneto rotor according to claim 1 or 2, which is characterized in that the axial ventilation slot is provided with
Six, corresponding radial ventilation slot is also provided with six, and through-hole is also provided with six.
4. magneto rotor according to claim 1 or 2, which is characterized in that be provided with six on the end plate
A fan blade, the axially setting and circumferentially distributed round the axis of end plate of six fan blades, each fan blade are arranged in above-mentioned adjacent logical
Between hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821897794.6U CN208986708U (en) | 2018-11-16 | 2018-11-16 | Magneto rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821897794.6U CN208986708U (en) | 2018-11-16 | 2018-11-16 | Magneto rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208986708U true CN208986708U (en) | 2019-06-14 |
Family
ID=66791146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821897794.6U Active CN208986708U (en) | 2018-11-16 | 2018-11-16 | Magneto rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208986708U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431324A (en) * | 2020-04-28 | 2020-07-17 | 上海电气集团股份有限公司 | Water-cooled motor |
| CN113541397A (en) * | 2020-04-16 | 2021-10-22 | 三菱电机株式会社 | Rotating electrical machine |
| CN113726054A (en) * | 2021-09-07 | 2021-11-30 | 泉州市华德机电设备有限公司 | Integral permanent magnet screw air compressor |
-
2018
- 2018-11-16 CN CN201821897794.6U patent/CN208986708U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113541397A (en) * | 2020-04-16 | 2021-10-22 | 三菱电机株式会社 | Rotating electrical machine |
| CN111431324A (en) * | 2020-04-28 | 2020-07-17 | 上海电气集团股份有限公司 | Water-cooled motor |
| CN113726054A (en) * | 2021-09-07 | 2021-11-30 | 泉州市华德机电设备有限公司 | Integral permanent magnet screw air compressor |
| CN113726054B (en) * | 2021-09-07 | 2022-09-30 | 泉州市华德机电设备有限公司 | Integral permanent magnet screw air compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Rotor for permanent magnet motor Effective date of registration: 20220922 Granted publication date: 20190614 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: JINHUA JIANGKE POWER Co.,Ltd. Registration number: Y2022980016005 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230920 Granted publication date: 20190614 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: JINHUA JIANGKE POWER Co.,Ltd. Registration number: Y2022980016005 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Rotors for permanent magnet motors Effective date of registration: 20230924 Granted publication date: 20190614 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: JINHUA JIANGKE POWER Co.,Ltd. Registration number: Y2023980058711 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20190614 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: JINHUA JIANGKE POWER Co.,Ltd. Registration number: Y2023980058711 |