CN206962570U - A kind of rotor - Google Patents
A kind of rotor Download PDFInfo
- Publication number
- CN206962570U CN206962570U CN201720626976.9U CN201720626976U CN206962570U CN 206962570 U CN206962570 U CN 206962570U CN 201720626976 U CN201720626976 U CN 201720626976U CN 206962570 U CN206962570 U CN 206962570U
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- Prior art keywords
- blade
- permanent magnet
- surrounding edge
- rotor
- center hub
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Abstract
The utility model discloses a kind of rotor, including center hub；Blade, the blade have multiple, and one end of the blade is connected with the center hub；Surrounding edge, the surrounding edge surround the center hub and the blade, and the surrounding edge is connected with the other end of the blade, and permanent magnet is intervally distributed with the surrounding edge；Embracing layer, the embracing layer is in the gap between the adjacent permanent magnet and the lateral surface of the permanent magnet is formed along the surrounding edge, can wrap residence and state permanent magnet.The utility model is integrally formed blade and rotor by just adding blade when rotor produces, it is possible to increase the heat dispersion of rotor in itself；By forming window on embracing layer, permanent magnet can be clearly shown either with or without neglected loading and either with or without situation about preferably separating.
Description
Technical field
It the utility model is related to machine field, more particularly to the rotor that a kind of brshless DC motor uses.
Background technology
Motor is as electrical equipment or various mechanical power sources, and its main function is to produce driving torque, and principle is to utilize
Electric energy is converted to mechanical energy；Divided by working power species, direct current generator and alternating current generator can be divided into, direct current generator has response
Fireballing advantage, it can be divided into brshless DC motor and brushed DC motor by structure and working principle.At present, it is brushless straight
It is quite varied to flow the application of motor, such as automobile, industrial industry control, household electrical appliance and automation.Brshless DC motor is general
It is made up of PM rotor, multipole wound stator, position sensor etc., position sensing presses the change of rotor-position, along certain
The electric current of secondary ordered pair stator winding carries out the change of current.（The position of rotor magnetic pole relative stator winding is detected, and in defined location
Place produces position sensor signal, goes to control power switch circuit after signaling conversion circuit is handled, enters by certain logical relation
Row winding current switches.
Popular the saying of rotor is exactly the part rotated, and rotor is the rotor used in motor, brshless DC motor
In rotor be then iron core surface to be embedded in by the permanent magnet of certain number of pole-pairs or embedded core interior is formed, rotor is as electricity
The part that it is essential that machine works, its quality and performance merit attention and had much room for improvement, meanwhile, rotor is being run
When can produce the running of high speed, working at high speed can produce heat, and radiating is reliable unreliable, also extremely merits attention.
Patent document such as Application No. CN201420007369.0 discloses a kind of rotor, including rotor body,
The rotor body includes rotating shaft, the winding in rotating shaft and is arranged in rotating shaft with respect to the fan of winding opposite side, institute
Stating fan includes impeller and the blade that is wholely set with impeller, and the blade includes primary blades and back blades, the primary blades with
Small one and large one is arranged at intervals back blades successively, and the primary blades and back blades are along impeller in circumferentially distributed.When motor operates,
Rotor is rotated, and the fan being fixedly mounted on rotor is synchronous with rotor speed, and when the blade on fan rotates, motor is served
The effect of air discharging and radiating.
And for example Application No. CN201610721891.9 patent document discloses a kind of rotor, including armature spindle and some
Rotor punching, the center of the rotor punching are provided with the axis hole for being used for placing armature spindle, and the rotor punching is circumferentially uniform
Mounting hole provided with some placement magnetic stripes；Also include some radiating groups, the radiating group is located on rotor punching, the radiating group
The mounting hole is corresponded, the radiating group includes strip louvre and interface channel, and the mounting hole site is in heat emission hole
Outside, the interface channel connects mounting hole and heat emission hole respectively so that it is T-shaped between mounting hole and heat emission hole, by upper
Stating the design of structure can actually effectively be radiated when rotor is run, and improve rotor life.
It is visible in summary, in currently available technology the radiating of rotor generally have two kinds, the first using install additional internal fan
Structure, this design and installation step is more, the situation injury motor of neglected loading is also easy to produce, even if using the side for fixing fan and rotor
Method, its structure is larger, and stability is not high, easily shortens motor service life；Second multiple using being opened up on rotor body
Axial ventilation hole heat emission hole radiates to improve, but radiator structure is simple, does not have good radiating effect.
Utility model content
Technical problem to be solved in the utility model is, for the above-mentioned deficiency of prior art, proposes a kind of radiating
Good, cost is relatively low, is hardly damaged and can be with the rotor of visual inspection permanent magnet airtight quality quality.
The utility model solves its technical problem, adopts the following technical scheme that：
A kind of rotor, including：
Center hub；
Blade, the blade have multiple, and one end of the blade is connected with the center hub；
Surrounding edge, the surrounding edge surround the center hub and the blade, and the other end of the surrounding edge and the blade connects
Connect, permanent magnet is intervally distributed with the surrounding edge；
Embracing layer, the embracing layer in the gap between the adjacent permanent magnet and the permanent magnet lateral surface edge
The surrounding edge to be formed, residence can be wrapped and state permanent magnet.
Further, circumferentially array distribution, the width of blade increase the blade to the surrounding edge direction.
Further, the blade upper surface is provided with the first excision face, and the blade lower surface is provided with the second excision face, institute
The first excision face and the second excision face is stated to be oppositely arranged.
Further, circular groove is provided with the center hub inside center, is provided with up and down at the circular groove center
The band axis hole of connection.
Further, the center hub is provided with multiple air holes of up/down perforation, and the multiple air holes is evenly distributed on described
The periphery of circular groove.
Further, the lower bottom part of the surrounding edge be provided with depression, it is described depression between the two neighboring blade and
The depression between the two neighboring blade at least two.
Further, the embracing layer upper bottom portion is located at the two neighboring permanent magnetism body phase formed with window, the window
At neighbour.
Further, the window has multiple, and two adjacent permanent magnets base angle on two of adjacent is exposed
In the window.
Further, the center hub, blade and surrounding edge are integrated die casting.
Further, the embracing layer integrated injection molding formed in the gap between the adjacent permanent magnet and it is described forever
The lateral surface of magnet.
Compared with prior art, the beneficial effects of the utility model are：（1）By just adding blade when rotor produces,
It is integrally formed blade and rotor, it is possible to increase the heat dispersion of rotor in itself, the design phase for installing fan additional with tradition to radiate
Than more saving physical resources and financial resources, structure is also more stable；（2）Multiple equally distributed air holes are provided with center hub position, can be increased
Air inlet, increase convection current accelerate radiating, can also mitigate rotor weight；（3）Surrounding edge bottom is provided with depression, the depression position
The design of the depression at least two between the two neighboring blade and between the two neighboring blade, makes rotor
Structural strength itself is stronger, is hardly damaged, moreover it is possible to increases heat dissipation capacity to a certain extent；（4）Formed on rotor on embracing layer
There is a window, the window is located at the two neighboring permanent magnet adjacent, two in adjacent of two adjacent permanent magnets
Upper base angle exposes to the window, can clearly show situation of the permanent magnet either with or without neglected loading, and adjacent permanent magnet
Between in space embracing layer quality, either with or without preferably separating permanent magnet, so as to judge rotor functionally good
It is bad, it can effectively play detection effect.
Brief description of the drawings
To become apparent from being described in detail embodiment of the present utility model, accompanying drawing is as follows：
Fig. 1 is the dimensional structure diagram of the utility model embodiment 1；
Fig. 2 is the structural front view of the utility model embodiment 2；
Fig. 3 is the structure rearview of the utility model embodiment 2；
Fig. 4 is the dimensional structure diagram of the utility model embodiment 3.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
Embodiment 1
As shown in figure 1, a kind of rotor is present embodiments provided, including center hub 100, blade 200, surrounding edge 300, bag
Perithallium 400 and permanent magnet 500.The permanent magnet 500 is all wrapped up by the embracing layer 400, therefore invisible in Fig. 1.
The center hub 100 is cylinder；
The blade 200 has multiple, and one end of the blade 200 is connected with the center hub 100；
The surrounding edge 300 surrounds the center hub 100 and the blade 200, the surrounding edge 300 and the blade 200
Other end connection, be intervally distributed with permanent magnet 500 on the surrounding edge 300；
The embracing layer 400 in the gap between the adjacent permanent magnet 500 and the permanent magnet 500 lateral surface
Formed along the surrounding edge 300, residence can be wrapped and state permanent magnet 500.
When making the rotor of above-described embodiment, the blade 200 passes through welding and the center hub 100 and described
Surrounding edge 300 is linked together, and the permanent magnet 500 is uniformly spaced apart by mould on the surrounding edge 300, the encirclement
Layer 400 can be made to be formed by certain specification in advance, by realizing that wrapping residence states permanent magnet after deforming the operation such as screens
500 function；It can also be after the completion of the permanent magnet 500 placement, the disposable plastic packaging of thermosets is injected into mould
Form.
The fan balde structure of routine is connected to become same structure with rotor in the present embodiment, motor can be improved and added
Fan is forgotten to install in work, cause poor radiation damage motor the problem of, the performance that motor radiates in operation can also be strengthened,
Fix and separate by integument between permanent magnet, can make permanent magnet fixes more abundant, and the performance of its function can
With more stable.
Embodiment 2
As shown in Figures 2 and 3, a kind of rotor described in the present embodiment, the difference with embodiment 1 are：
Angle is carried between the blade 200 and its rotational plane.Practical manifestation is exactly the blade 200 and the center
Hub 100 connects to tilt, and can have guide functions to wind when rotated, accelerates radiating.
The blade 200 is arcuation and circumferentially array distribution, the width of blade 200 increase to the direction of surrounding edge 300
Add.There is permanent magnet at the surrounding edge 300, and the contact surface of surrounding edge 300 is larger can improve thermal conduction rate, has side to radiating
Help.
The upper surface of blade 200 is provided with the first excision face 210, and the blade lower surface is provided with the second excision face 220, institute
The first excision face 210 and the second excision face 220 is stated to be oppositely arranged.The setting in two excision faces makes blade more embody streamline
Type, make cross-ventilation more abundant during rotation.
Circular groove 110 is provided with the inside center of center hub 100, is provided with up and down at the center of circular groove 110
The band axis hole 120 of connection.Circular groove 110 can be used as miscellaneous part in motor（Such as rotating shaft）Holding tank, while can be with
Strengthen the intensity of the center hub 100.
The center hub 100 is provided with multiple air holes 130 of up/down perforation, and the multiple air holes 130 is evenly distributed on described
The periphery of circular groove 110.Air holes adds air inlet, and increase convection current accelerates radiating, can also save material mitigation and turn
Sub- weight.
The center hub 100, blade 200 and surrounding edge 300 are integrated die casting.Die casting is formed three together, and structure is more
It is firm to stablize.
The lower bottom part of the surrounding edge 300 is provided with depression 310, and the depression 310 is between the two neighboring blade 200
And the depression 310 between the two neighboring blade 200 at least two.The depression 310 is not only to the surrounding edge 300
With booster action, the weight of rotor bottom can also be mitigated, the radiating to permanent magnet is also helpful.
The integrated injection molding of embracing layer 400 is formed in the gap between the adjacent permanent magnet 500 and the permanent magnetism
The lateral surface of body 500.Using permanent magnet 500 described in plastic packaging of thermosets and the center hub 100, blade 200 and
The die casting that surrounding edge 300 combines, make rotor structure finer, improve the life-span of rotor.
The design more refined to the blade 200 in the present embodiment, improve the ability to be radiated when blade rotates；Increase
Air holes 130 designs, and lifts air inlet, and increase convection current accelerates radiating, can also save material and mitigate rotor weight.Rotor knot
The overall design of structure is more accomplished without any letup, and is influenceed the function of rotor in itself without too many complicated structure, can be strengthened at some
The Position Design of rotor strength reinforcement structure, makes the rotor firmer.
Embodiment 3
As shown in figure 4, a kind of rotor described in the present embodiment, the difference with embodiment 2 are：
The upper bottom portion of embracing layer 400 is located at the two neighboring permanent magnet 500 formed with window 410, the window 410
Adjacent.
The window 410 has multiple, and two adjacent permanent magnets 500 expose to institute in base angle on two of adjacent
State window 410.
The present embodiment leaves a window in 400 integrated injection molding of embracing layer, can observe the permanent magnet of rotor
Whether place on a corresponding position, can also check the quality of embracing layer quality on the position of adjacent permanent magnet is spaced apart,
It may be implemented in source and strangle second-rate rotor, make motor not because the quality of rotor causes overall damage.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (10)
- A kind of 1. rotor, it is characterised in that including：Center hub（100）；Blade（200）, the blade（200）There is multiple, the blade（200）One end and the center hub（100）Connection；Surrounding edge（300）, the surrounding edge（300）By the center hub（100）With the blade（200）Surround, the surrounding edge（300） With the blade（200）The other end connection, the surrounding edge（300）On be intervally distributed with permanent magnet（500）；Embracing layer（400）, the embracing layer（400）In the adjacent permanent magnet（500）Between gap in and the permanent magnetism Body（500）Lateral surface along the surrounding edge（300）Formed, residence can be wrapped and state permanent magnet（500）.
- A kind of 2. rotor according to claim 1, it is characterised in that the blade（200）Circumferentially array distribution, The blade（200）Width is to the surrounding edge（300）Direction increases.
- A kind of 3. rotor according to claim 1 or 2, it is characterised in that the blade（200）Upper surface is provided with the One excision face（210）, the blade lower surface is provided with the second excision face（220）, the first excision face（210）With described second Excision face（220）It is oppositely arranged.
- A kind of 4. rotor according to claim 1, it is characterised in that the center hub（100）Set inside center There is circular groove（110）, the circular groove（110）The band axis hole connected up and down is provided with center（120）.
- A kind of 5. rotor according to claim 4, it is characterised in that the center hub（100）Provided with up/down perforation Multiple air holes（130）, the multiple air holes（130）It is evenly distributed on the circular groove（110）Periphery.
- A kind of 6. rotor according to claim 1, it is characterised in that the surrounding edge（300）Lower bottom part be provided with it is recessed Fall into（310）, the depression（310）Positioned at the two neighboring blade（200）Between and the two neighboring blade（200）Between The depression（310）At least two.
- A kind of 7. rotor according to claim 1, it is characterised in that the embracing layer（400）Upper bottom portion formed with Window（410）, the window（410）Positioned at the two neighboring permanent magnet（500）Adjacent.
- A kind of 8. rotor according to claim 7, it is characterised in that the window（410）Have multiple, two adjacent The permanent magnet（500）Base angle exposes to the window on two of adjacent（410）.
- A kind of 9. rotor according to claim 1, it is characterised in that the center hub（100）, blade（200）With And surrounding edge（300）It is integrated die casting.
- A kind of 10. rotor according to claim 1, it is characterised in that the embracing layer（400）Integrated injection molding is formed In the adjacent permanent magnet（500）Between gap in and the permanent magnet（500）Lateral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720626976.9U CN206962570U (en) | 2017-06-01 | 2017-06-01 | A kind of rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720626976.9U CN206962570U (en) | 2017-06-01 | 2017-06-01 | A kind of rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206962570U true CN206962570U (en) | 2018-02-02 |
Family
ID=61378650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720626976.9U Active CN206962570U (en) | 2017-06-01 | 2017-06-01 | A kind of rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206962570U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154695A (en) * | 2017-06-01 | 2017-09-12 | 浙江永昌电气股份有限公司 | A kind of rotor |
-
2017
- 2017-06-01 CN CN201720626976.9U patent/CN206962570U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154695A (en) * | 2017-06-01 | 2017-09-12 | 浙江永昌电气股份有限公司 | A kind of rotor |
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