CN201323477Y - Magnetism separating copper ring and motor rotor - Google Patents
Magnetism separating copper ring and motor rotor Download PDFInfo
- Publication number
- CN201323477Y CN201323477Y CNU2008201819405U CN200820181940U CN201323477Y CN 201323477 Y CN201323477 Y CN 201323477Y CN U2008201819405 U CNU2008201819405 U CN U2008201819405U CN 200820181940 U CN200820181940 U CN 200820181940U CN 201323477 Y CN201323477 Y CN 201323477Y
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- China
- Prior art keywords
- copper ring
- magnetic copper
- winding
- groove
- motor
- 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 - Lifetime
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Abstract
The utility model relates to a magnetism separating copper ring, wherein a concave-convex structure is arranged on the end surface of the magnetism separating copper ring, simultaneously, the utility model also provides a motor rotor which comprises the magnetism separating copper ring, since the concave-convex structure for the purpose of throwing oil is added on the end surface of the magnetism separating copper ring, the motor can throw out oil in the process of rotation, which is beneficial for utilizing good thermal conductivity of the oil to take away heat on a winding, thereby realizing heat dissipation and cooling of the winding. Since only the concave-convex structure is arranged on the magnetism separating copper ring, the technique is simple, simultaneously, the oil throwing effect is good, and the temperature of the winding when the motor is operated can be effectively lowered.
Description
Technical field
The utility model relates to a kind of every magnetic copper ring and a kind of rotor, relate in particular to a kind of improved every the magnetic copper ring and this rotor every the magnetic copper ring is installed.
Background technology
Motor is a kind of utilization dynamic power machine very widely, and it requires to adapt to different work condition environments and condition.Because loading condition and efficiency factor can cause motor to produce a large amount of heat energy in the process of using, these heat energy are harmful to motor itself, and therefore how cooling motor has just become a problem demanding prompt solution.For the compact motor of structure, mainly adopt these two kinds of types of cooling of water-cooled and oil cooling, also have the cooling of air cooling way realization simultaneously to motor.Yet what water-cooled or oil cooling mainly cooled off in the middle of practice is the stator core part, so but be not good to the cooling effect of the motor stator winding coil of main pyrotoxin.Its main cause is because between winding and the casing media such as insulating paper is arranged between air dielectric, winding and the stator are arranged, these media all are the non-conductors of heat, the cause that heat on the winding can not be shed timely and effectively, thereby can make motor overheated generation adverse consequences in running, cause unnecessary loss.
The utility model content
Can't carry out the defective of cooling heat dissipation to winding at above prior art, a purpose of the present utility model provides a kind of every the magnetic copper ring, another one purpose of the present utility model provides a kind of rotor, by to of the improvement of rotor body end face every the magnetic copper ring, reach a purpose of getting rid of oil, make the cooling oil of motor internal carry out forced convertion, reach effect winding heat radiation cooling.
Goal of the invention of the present utility model is achieved through the following technical solutions:
According to an aspect of the present utility model, the utility model is a kind of every the magnetic copper ring, and described end face every the magnetic copper ring is provided with concaveconvex structure.
Preferably, described concaveconvex structure is a groove;
Perhaps, preferably, described concaveconvex structure is a projection;
According on the other hand of the present utility model, the utility model is a kind of rotor, comprising: rotor block, and be fixedly installed in described rotor block end face every the magnetic copper ring, it is characterized in that: described end face every the magnetic copper ring is provided with concaveconvex structure.
The utility model is owing to increasing the concaveconvex structure that is used to get rid of oily purpose on the end face of magnetic copper ring, make motor in the process of rotation, fluid can be thrown away, thereby utilize the good thermal conductivity of fluid that the heat on the winding is taken away, realized heat radiation cooling winding.This utility model is owing to only be used in etching groove or increase projection on the magnetic copper ring, and its technology is simple, and it is respond well to get rid of oil simultaneously, the temperature of winding in the time of can reducing the motor operation effectively.
Description of drawings
Fig. 1 is the cutaway view according to the motor of the utility model embodiment.
Fig. 2 is along B-B direction right side schematic diagram among Fig. 1.
Fig. 3, Fig. 4, Fig. 5 are respectively of the present utility model every magnetic copper ring structural representation.
Fig. 6 is the enlarged diagram of A part among Fig. 3.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment one
According to the utility model provide a kind of every the magnetic copper ring, Fig. 1 is according to the cutaway view of the motor of the utility model embodiment, comprising: casing 1, stator 2, winding 3, every magnetic copper ring 4, rotor 5, fluid 6.
Fig. 2 along shown in the schematic diagram of B-B direction right side on magnetic copper ring 4, be provided with at least one groove 7, thereby when rotor 5 rotation drives every 4 rotations of magnetic copper ring,, fluid 6 thrown away every the effect of magnetic copper ring 4 by groove 7.
As Fig. 3, Fig. 4 and shown in Figure 5, groove (7,71,72) be arranged on the end face of magnetic copper ring 4, its shape preferably is arranged to by fourth finger in magnetic copper ring 4 to the strip every magnetic copper ring 4 outer shrouds, also can be arranged to is the groove structure shape that reaching of other got rid of oily purpose, its groove shape can be circle, oval, square or other are irregularly shaped, the size of groove can be selected arbitrarily, the position of groove can also can be set to run through every the interior ring of magnetic copper ring 4 or the groove shape of outer shroud for being arranged in magnetic copper ring 4 in the scope between ring and the outer shroud.When being provided with a plurality of grooves (7,71,72), the interval between the described groove can be even distribution, also can be rambling distribution; The trend of its groove (7,71,72) can be to point to every the center of circle of magnetic copper ring 4, also can be by the selected trend of other preferred mode.
As shown in Figure 3, described groove 7 is in the strip that is radial on the end face of magnetic copper ring 4, increase progressively on the direction that the width of groove 7 is extended by the interior hoop outer shroud every magnetic copper ring 4, the quantity of groove 7 is at least 1, yet, the quantity of groove 7 with and the groove depth of groove 7 and the width effect that all can directly have influence on the operational efficiency of motor and get rid of oil, 7 fluid that can hold 6 of the many more and single groove of groove 7 are many more, it is good more that it gets rid of oily effect, the heat of taking away is many more, thereby cooling effect is good more, but rotor 5 stirs the effect increasing of fluid 6, thereby has increased the loss of motor power; Groove 7 more less and 7 fluid that can hold 6 of single groove few more, the loss of motor power is few, but it gets rid of oily weak effect, the heat of taking away is few, thereby its cooling effect is poor.Therefore, under the preferable case, the degree of depth of groove 7 is elected 0.5mm-1.5mm as, width is at least 1 times of the degree of depth, certainly, along with the difference every magnetic copper ring 4 sizes, the quantity of groove 7, the degree of depth and width all can change thereupon, so that reach best getting rid of oily effect and make motor reach minimum energy loss every magnetic copper ring 4.For the energy that guarantees that not loss motor is too much, reach one again and good get rid of oily purpose, further under the preferable case, this in magnetic copper ring 4, encircle and outer shroud between the zone in radial 5 grooves 7 are set equably, the degree of depth of its groove is 1mm, and width is 4mm.
Embodiment two
By the means of getting rid of oil fluid 6 is thrown on the winding, thereby makes its heat radiation cooling, also can reach by the following method.
On the end face of magnetic copper ring 4 projection is being set, the induced effect by projection throws away fluid, equally also can reach the purpose of getting rid of oil.The shape of projection, similar with the shape of groove among the embodiment one, thickness, width, the shape of projection are corresponding one by one with the degree of depth, width, the shape of groove, repeat no more here.
According to a kind of rotor described in the utility model, comprising: rotor block, and be fixedly installed in described rotor block end face every the magnetic copper ring, described end face every the magnetic copper ring is provided with concaveconvex structure.Its motor that this rotor is installed reaches the concrete course of work of getting rid of oily purpose:
Machine operation, rotor 5 rotations, drive is every 4 rotations of magnetic copper ring, owing to (be provided with groove (7 every the section of magnetic copper ring 4 is rough, 71,72) or the projection), thereby driving fluid 6 every magnetic copper ring 4 throws away under action of centrifugal force, the fluid 6 that throws away flies out and splashes on the winding 3 on the stator 2, because fluid 6 has viscosity, so under the effect of gravity, reflux through after certain convection current time, thereby fluid 6 is taken away the heat on the winding 3, and the fluid of backflow 6 carries out heat exchange action with casing 1 through on the rotors 5 after the stirring of magnetic copper ring 4, with exchange heat to casing 1, by outside water cooling equipment heat is taken away then, finished heat exchanging process one time.
Simultaneously, every magnetic copper ring 4 fluid 6 is thrown away at a high speed, fluid 6 can brokenly atomize in the middle of the process that strikes casing 1 or winding 3, thereby fluid 6 particles are full of whole motor internal space, form atomizing medium.Because the pyroconductivity of air is 0.02, and the pyroconductivity of fluid 6 is 0.2, the pyroconductivity of its fluid 6 is 10 times of air, therefore, on the winding 3 and the motor internal heat can be transmitted to casing 1 by atomizing medium rapidly, take away heat by outside water cooling equipment then, thereby realize cooling winding 3 and whole motor.
Fig. 6 is the enlarged diagram of A part among Fig. 3.
The utility model by to rotor end-face every the surface etch groove (7,71,72) of magnetic copper ring 4 or the improvement of projection is set, reach the purpose that rotor 5 gets rid of oil, make the cold oil of motor internal carry out forced convertion, reach effect to winding heat radiation cooling.Simultaneously, its manufacture craft is fairly simple, and its heat dispersion can carry out corresponding adjusting automatically along with the raising of rotor 5 rotating speeds.This is that when rotating speed was high, it was also many to generate heat because the difference of rotor 5 rotating speeds has decided the difference of getting rid of oily degree, also and then strengthens but get rid of oily degree, and the convection current degree of fluid is strengthened like this, and the heat of taking away is many, and its heat-sinking capability is also and then strengthened.
The embodiment of the above is a better embodiment of the present utility model; be not to limit concrete practical range of the present utility model with this, the equivalence variation that all shapes according to the utility model, structure are done all is included in the protection range of the present utility model.
Claims (4)
1, a kind of every the magnetic copper ring, it is characterized in that: described end face every the magnetic copper ring is provided with concaveconvex structure.
2, according to claim 1 every the magnetic copper ring, it is characterized in that: described concaveconvex structure is a groove.
3, according to claim 1 every the magnetic copper ring, it is characterized in that: described concaveconvex structure is projection.
4, a kind of rotor comprises: rotor block, and be fixedly installed in described rotor block end face every the magnetic copper ring, it is characterized in that: described end face every the magnetic copper ring is provided with concaveconvex structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008201819405U CN201323477Y (en) | 2008-07-29 | 2008-12-02 | Magnetism separating copper ring and motor rotor |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200820096067.X | 2008-07-29 | ||
CN200820096067 | 2008-07-29 | ||
CNU2008201819405U CN201323477Y (en) | 2008-07-29 | 2008-12-02 | Magnetism separating copper ring and motor rotor |
Publications (1)
Publication Number | Publication Date |
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CN201323477Y true CN201323477Y (en) | 2009-10-07 |
Family
ID=41160849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2008201819405U Expired - Lifetime CN201323477Y (en) | 2008-07-29 | 2008-12-02 | Magnetism separating copper ring and motor rotor |
Country Status (1)
Country | Link |
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CN (1) | CN201323477Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105122606A (en) * | 2013-04-15 | 2015-12-02 | 三菱电机株式会社 | Rotating electrical machine |
CN114337113A (en) * | 2021-11-30 | 2022-04-12 | 中车永济电机有限公司 | Stator and rotor hybrid evaporative cooling motor structure |
-
2008
- 2008-12-02 CN CNU2008201819405U patent/CN201323477Y/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105122606A (en) * | 2013-04-15 | 2015-12-02 | 三菱电机株式会社 | Rotating electrical machine |
CN105122606B (en) * | 2013-04-15 | 2017-12-08 | 三菱电机株式会社 | Electric rotating machine |
US9954419B2 (en) | 2013-04-15 | 2018-04-24 | Mitsubishi Electric Corporation | Rotating electrical machine |
CN114337113A (en) * | 2021-11-30 | 2022-04-12 | 中车永济电机有限公司 | Stator and rotor hybrid evaporative cooling motor structure |
CN114337113B (en) * | 2021-11-30 | 2023-12-22 | 中车永济电机有限公司 | Stator and rotor hybrid evaporative cooling motor structure |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20091007 |
|
CX01 | Expiry of patent term |