CN108768084A - A kind of motor with electromagnetic shielding set - Google Patents
A kind of motor with electromagnetic shielding set Download PDFInfo
- Publication number
- CN108768084A CN108768084A CN201810859532.9A CN201810859532A CN108768084A CN 108768084 A CN108768084 A CN 108768084A CN 201810859532 A CN201810859532 A CN 201810859532A CN 108768084 A CN108768084 A CN 108768084A
- Authority
- CN
- China
- Prior art keywords
- water
- electromagnetic shielding
- magneto
- claw
- shielding set
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/01—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields, i.e. structural association with shields
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
Abstract
The invention discloses a kind of magnetoes with electromagnetic shielding set, belong to motor field, a kind of magneto with electromagnetic shielding set disclosed by the invention, including magneto, the magneto includes that permanent magnet is inserted in rotor, including rotor core, and rotor core exterior surface is covered with one layer of electromagnetic shielding set, electromagnetic shielding set is copper foil, and motor housing is also arranged with claw and intersects water cooling plant.Advantageous effect of the present invention is：Eddy-current screen is carried out to rotor core by copper foil, the fever of rotor core is set to significantly reduce, and the heat dissipation of rotor can be promoted, the claw that motor housing is arranged is coordinated to intersect water cooling plant simultaneously, make the reduction of motor bulk temperature, it ensure that the permanent magnet in rotor core keeps lower temperature, improve the service life of permanent magnet, improve motor performance.
Description
Technical field
The present invention relates to motor field more particularly to a kind of motors with electromagnetic shielding set.
Background technology
Motor is that people's life produces essential power plant, and as motor applications are more and more extensive, people are to electricity
The energy consumption and performance of machine is also increasingly paid close attention to.Motor has the phenomenon that fever during the work time, this is because being rotated in rotor
When, coil generates changing magnetic field, causes rotor core to generate eddy-current loss, and then generate heat, this fever phenomenon
It is a kind of loss to electric energy, while significantly increases the temperature of rotor.Permanent magnet is installed in rotor, but due to rotor
Radiating condition is bad, these eddy-current losses can cause very high Wen Sheng, high temperature to have a great impact the magnetism of permanent magnet, high temperature
Permanent magnet magnetism can be reduced even to demagnetize, this is totally unfavorable to the performance of motor.
Motor on the market only cools down in the outer surface of motor at present, and is difficult to cool down to rotor, only
It is not only undesirable in the effect of motor housing cooling, but also rotor core can not be inhibited to generate vortex, it is difficult to promote the performance of motor.
Invention content
It is a kind of with electromagnetic screen technical problem to be solved by the present invention lies in proposing in order to overcome the deficiencies of existing technologies
The motor for covering set enables the rotor of motor to reduce because eddy current effect generates a large amount of heat, and improves and dissipate from outside motor
It is hot.
For this purpose, the present invention uses following technical scheme：
A kind of motor with electromagnetic shielding set provided by the invention, magneto includes rotor, stator and shell, rotor
Including rotor core, permanent magnet and shaft, permanent magnet is inserted in rotor core, and rotor core exterior surface is arranged with electromagnetic shielding
Set, electromagnetic shielding set are copper foil；
Outer surface of outer cover is arranged with claw and intersects water cooling plant, and claw intersects water cooling plant and interlocked by two sets of claw water cooling tubes
Composition；
Claw water cooling tube is made of water main and several branching pipes, and water main includes inlet and outlet, water main
It is surrounded on the circle of outer surface of outer cover one, water inlet is adjacent with water outlet, and the junction of water main and branching pipe is provided with water-resisting wall, every
The one end Shui Bi is vertical with water main inner wall closely to be connect, and the water-resisting wall other end extends in branching pipe, water-resisting wall and branching pipe
Upper lower wall closely connects.
Currently preferred technical solution is that copper thickness is 0.01mm to 0.065mm.
Currently preferred technical solution is that the medial surface of copper foil is coated with glue, and copper foil is pasted onto by glue to be turned
Sub- core exterior surface.
Currently preferred technical solution is that glue is high temperature resistant pressure sensitive adhesive.
Currently preferred technical solution is that the tube body vertical connection of branching pipe and water main, branching pipe passes through band
It fixes and is tightly attached to outer surface of outer cover.
Currently preferred technical solution is that water main and branching pipe are copper pipe.
Currently preferred technical solution is that the cross section of water main and branching pipe is rectangle.
Currently preferred technical solution is that water-resisting wall is strip copper sheet.
Currently preferred technical solution is that claw is intersected the water inlet of a set of claw water cooling tube of water cooling plant and gone out
The mouth of a river is located at the lower left of shell, and the inlet and outlet of another set of claw water cooling tube are located at the upper right side of shell.
Currently preferred technical solution is that the water inlet of two sets of claw water cooling tubes is located at forever in the horizontal direction
The both sides of magneto axis.
Beneficial effects of the present invention are：
A kind of motor with electromagnetic shielding set provided by the invention, by being covered with one layer of electromagnetic shielding set on rotor,
Electromagnetic shielding set is copper foil, and copper foil can carry out rotor certain eddy-current screen, and the excellent heat conductivility of copper foil, which can also improve, to be turned
The heat dissipation of son, makes the fever of internal rotor reduce, to reduce the operating ambient temperature of permanent magnet, while being set in outer surface of motor
It is equipped with water cooling plant, water cooling plant forms for claw heat-dissipating pipe, has the advantages that heat dissipation is uniform, can be efficiently from the external belt leakage of electricity
The overall heat of machine increases the service life of magneto to be effectively reduced the temperature of rotor and the bulk temperature of motor.
Description of the drawings
Fig. 1 is the magneto internal structure schematic diagram provided in the specific embodiment of the invention；
Fig. 2 is the rotor structure schematic diagram provided in the specific embodiment of the invention；
Fig. 3 is that the claw provided in the specific embodiment of the invention intersects the structural schematic diagram of water cooling plant；
Fig. 4 is the dimensional structure diagram of the claw water cooling tube provided in the specific embodiment of the invention；
In figure：
1- rotors, 2- electromagnetic shielding sets, 3- claw intersect water cooling plant, 4- stators, 5- shells, 10- rotor cores, 11-
Permanent magnet, 12- shafts, 20- copper foils, 30- claw water cooling tubes, 31- water mains, 32- branching pipes, 33- water inlets, 34- water outlets,
35- water-resisting walls.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment one
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of magneto with electromagnetic shielding set, including magneto, permanent magnetism
Motor includes rotor 1, stator 4 and shell 5, and rotor 1 includes rotor core 10, permanent magnet 11 and shaft 12, and permanent magnet 11 plugs
In in rotor core 10,10 outer surface of rotor core is arranged with electromagnetic shielding set 2, and electromagnetic shielding set 2 is copper foil 20；Outside shell 5
Surface is arranged with claw and intersects water cooling plant 3, and claw intersects water cooling plant 3 by two sets of 30 staggereds of claw water cooling tube；Claw
Water cooling tube 30 is made of water main 31 and several branching pipes 32, and water main 31 includes water inlet 33 and water outlet 34, water main
31 are surrounded on 5 outer surface one of shell circle, and water inlet 33 is adjacent with water outlet 34, and water main 31 and the junction of branching pipe 32 are arranged
There is water-resisting wall 35,35 one end of water-resisting wall is vertical with 31 inner wall of water main closely to be connect, and 35 other end of water-resisting wall extends to branching pipe
In 35, water-resisting wall 35 is closely connect with the upper lower wall of branching pipe 35.
When magneto works, the copper foil 20 on 1 surface of rotor in rotor 1 rotor core 10 and permanent magnet 11 carry out
Electromagnetic shielding, reduces rotor core 10 and permanent magnet 11 generates a large amount of heat because of eddy-current loss, while copper foil 20 is excellent
Thermal conductivity can also accelerate the heat dissipation of iron core 10.5 outer surface of shell of magneto is arranged with claw and intersects water cooling plant 3, claw
The branching pipe 32 of two sets of claw water cooling tubes 30 of intersection water cooling plant 3, which intermeshes, to be tightly attached on shell 5, is also set in branching pipe 35
It is equipped with water-resisting wall 35, increases flow path of the flow in branching pipe 35, makes cooling effect evenly, more fully.
In the alternative of the present embodiment, 20 thickness of copper foil is 0.01mm to 0.065mm, with the relatively thin realization pair of copper foil 20
The electromagnetic shielding of rotor 1, without making rotor 1 increase too many weight while playing effectiveness.
In the alternative of the present embodiment, the medial surface of copper foil 20 is coated with glue, and copper foil 20 is pasted onto by glue to be turned
10 outer surface of sub- iron core makes copper foil 20 more easily be fitted in 10 outer surface of rotor core, simple to operate, can effectively drop
Low processing cost.
In the alternative of the present embodiment, glue is high temperature resistant pressure sensitive adhesive, and copper foil 20 is made more closely to be pasted onto rotor iron
10 outer surface of core, without falling off because of high temperature.
In the alternative of the present embodiment, the tube body vertical connection of branching pipe 32 and water main 31, several branching pipes 32
5 outer surface of shell, the heat dissipation being more advantageous between shell 5 and branching pipe 32 are fixed and be tightly attached to by band, and are incited somebody to action by band
Branching pipe 32 is fixed on 5 outer surface of shell, and more convenient operation, fastening effect is good, at low cost.
In the alternative of the present embodiment, water main 31 and branching pipe 32 are copper pipe, and the excellent thermal conductivity of copper can be very
The heat on magneto surface is transmitted well.
In the alternative of the present embodiment, the cross section of water main 31 and branching pipe 32 is rectangle so that water main 31
With the contact area bigger of branching pipe 32 and shell 5, it is more advantageous to transmission heat.In the alternative of the present embodiment, it is described every
Water wall 35 is strip copper sheet.
In the alternative of the present embodiment, the claw intersects the described of a set of claw water cooling tube 30 of water cooling plant
Water inlet 33 and the water outlet 34 are located at the lower left of shell 5, the water inlet 33 of the another set of claw water cooling tube 30
It is located at the upper right side of shell 5 with the water outlet 34, two sets of claw water cooling tubes 30 is made to be carried out from different directions to magneto
Cooling, achievees the effect that uniform decrease in temperature.
In the alternative of the present embodiment, the water inlet 33 of two sets of claw water cooling tubes 30 is located at forever in the horizontal direction
The both sides of magneto axis make the flow direction in the water main 31 of two sets of claw water cooling tubes 30 on the contrary, making water cooling plant 3
Cooling evenly.
The present invention is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from the present invention's
In the case of spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.The present invention is not by this
The limitation of specific embodiment disclosed in place, other embodiments fallen into claims hereof belong to protection of the present invention
Range.
Claims (10)
1. a kind of magneto with electromagnetic shielding set, including magneto, the magneto include rotor (1), stator
(4) and shell (5), the rotor (1) include rotor core (10), permanent magnet (11) and shaft (12), the permanent magnet (11)
It is inserted in the rotor core (10), it is characterised in that：
Rotor core (10) outer surface is arranged with electromagnetic shielding set (2), and the electromagnetic shielding set (2) is copper foil (20)；
Shell (5) outer surface is arranged with claw and intersects water cooling plant (3), and the claw intersects water cooling plant (3) by two sets
Claw water cooling tube (30) staggered；
The claw water cooling tube (30) is made of water main (31) and several branching pipes (32), the water main (31) include into
The mouth of a river (33) and water outlet (34), the water main (31) are surrounded on the circle of the shell (5) outer surface one, the water inlet (33)
Adjacent with the water outlet (34), the water main (31) and the junction of the branching pipe (32) are provided with water-resisting wall (35),
Described water-resisting wall (35) one end is vertical with the water main (31) inner wall closely to be connect, and water-resisting wall (35) other end extends to
In the branching pipe (35), the water-resisting wall (35) closely connect with the upper lower wall of branching pipe (35).
2. a kind of magneto with electromagnetic shielding set according to claim 1, it is characterised in that：The copper foil (20)
Thickness is 0.01mm to 0.065mm.
3. a kind of magneto with electromagnetic shielding set according to claim 2, it is characterised in that：The copper foil (20)
Medial surface be coated with glue, the copper foil (20) is pasted onto rotor core (10) outer surface by the glue.
4. a kind of magneto with electromagnetic shielding set according to claim 3, it is characterised in that：The glue is resistance to
Temperature pressure sensitive.
5. a kind of magneto with electromagnetic shielding set according to claim 1, it is characterised in that：The branching pipe
(32) it is fixed by band with the tube body vertical connection of the water main (31), several described branching pipes (32) and is tightly attached to institute
State shell (5) outer surface.
6. a kind of magneto with electromagnetic shielding set according to claim 1 or 5, it is characterised in that：The main water
It is copper pipe to manage (31) and the branching pipe (32).
7. a kind of magneto with electromagnetic shielding set according to claim 6, it is characterised in that：The water main
(31) and the cross section of the branching pipe (32) is rectangle.
8. a kind of magneto with electromagnetic shielding set according to claim 7, it is characterised in that：The water-resisting wall
(35) it is strip copper sheet.
9. a kind of magneto with electromagnetic shielding set according to claim 8, it is characterised in that：The claw is intersected
The water inlet (33) and the water outlet (34) of a set of claw water cooling tube (30) of water cooling plant (3) are located at shell
(5) lower left, the water inlet (33) and the water outlet (34) of the another set of claw water cooling tube (30) are positioned at described
The upper right side of shell (5).
10. a kind of magneto with electromagnetic shielding set according to claim 9, it is characterised in that：Two sets of pawls
The water inlet (33) of formula water cooling tube (30) is located at the both sides of magneto axis in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810859532.9A CN108768084A (en) | 2018-08-01 | 2018-08-01 | A kind of motor with electromagnetic shielding set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810859532.9A CN108768084A (en) | 2018-08-01 | 2018-08-01 | A kind of motor with electromagnetic shielding set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108768084A true CN108768084A (en) | 2018-11-06 |
Family
ID=63968477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810859532.9A Pending CN108768084A (en) | 2018-08-01 | 2018-08-01 | A kind of motor with electromagnetic shielding set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108768084A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101268599A (en) * | 2005-09-20 | 2008-09-17 | 西门子公司 | Electric machine |
| CN202153686U (en) * | 2011-06-30 | 2012-02-29 | 南车戚墅堰机车车辆工艺研究所有限公司 | Water cooling motor housing |
| CN205811732U (en) * | 2016-06-22 | 2016-12-14 | 上海上电电机股份有限公司 | A kind of motor jacket cooling apparatus being easy to scarfing cinder |
| CN106533041A (en) * | 2017-01-08 | 2017-03-22 | 合肥国轩高科动力能源有限公司 | Water-cooled permanent magnetic synchronous motor having IP67 protection level for new energy vehicle |
| CN107425632A (en) * | 2017-09-14 | 2017-12-01 | 新誉轨道交通科技有限公司 | High speed permanent magnet motor rotor and high-speed permanent magnet motor |
| CN208638202U (en) * | 2018-08-01 | 2019-03-22 | 江西博致电子技术有限公司 | A kind of motor with electromagnetic shielding set |
-
2018
- 2018-08-01 CN CN201810859532.9A patent/CN108768084A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101268599A (en) * | 2005-09-20 | 2008-09-17 | 西门子公司 | Electric machine |
| CN202153686U (en) * | 2011-06-30 | 2012-02-29 | 南车戚墅堰机车车辆工艺研究所有限公司 | Water cooling motor housing |
| CN205811732U (en) * | 2016-06-22 | 2016-12-14 | 上海上电电机股份有限公司 | A kind of motor jacket cooling apparatus being easy to scarfing cinder |
| CN106533041A (en) * | 2017-01-08 | 2017-03-22 | 合肥国轩高科动力能源有限公司 | Water-cooled permanent magnetic synchronous motor having IP67 protection level for new energy vehicle |
| CN107425632A (en) * | 2017-09-14 | 2017-12-01 | 新誉轨道交通科技有限公司 | High speed permanent magnet motor rotor and high-speed permanent magnet motor |
| CN208638202U (en) * | 2018-08-01 | 2019-03-22 | 江西博致电子技术有限公司 | A kind of motor with electromagnetic shielding set |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |