CN208754148U - A kind of brushless motor - Google Patents
A kind of brushless motor Download PDFInfo
- Publication number
- CN208754148U CN208754148U CN201821554536.8U CN201821554536U CN208754148U CN 208754148 U CN208754148 U CN 208754148U CN 201821554536 U CN201821554536 U CN 201821554536U CN 208754148 U CN208754148 U CN 208754148U
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- kinking
- brushless motor
- connection
- winding section
- rack
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a kind of brushless motors, including stator structure, and the rotor structure being coupled；Stator structure includes PCB adapter board, inserting rack, iron core portion and wire reeling rack；Several coils are equipped between inserting rack and wire reeling rack；Iron core portion is equipped with the cavity for coupling with rotor structure, wire reeling rack includes collar body, the inside of collar body is equipped with the kinking portion for coupling with coil, kinking portion forms the connection chamber for corresponding to cavity, the position that the upper end of collar body corresponds to kinking portion is equipped with winding section, is equipped with winding slot between adjacent winding section；Rotor structure includes rotor core, end ring portion and shaft.The utility model reduces the design height of coil holder and the length in iron core portion, effectively increases the full rate of winding slot, improves the power density and efficiency of motor；The mistake line number amount of winding section is also reduced, the support degree of coil holder is alleviated；The air flowing inside motor is accelerated simultaneously, improves the heat dissipation effect of motor.
Description
Technical field
The utility model relates to technical field of motors, more specifically refer to a kind of brushless motor.
Background technique
Major part DC drive system all uses traditional brush motor as power source at present.Due to traditional brush motor
Low efficiency, the service life is short and electromagnetic interference is big, novel brushless motor is high-efficient, the service life is long, can ultrahigh rotating speed operation and electromagnetism it is dry
It disturbs small, therefore as the continuous development of motor and electronic technology, brushless motor will gradually replace brush motor, becomes motor market
Main product.
There is the brushless motor of many ferrites and ndfeb magnet scheme currently on the market to substitute brush motor,
And production technology graduallys mature, production capacity is gradually expanded, then a kind of small size high reliability brushless motor structure design drop at
For the mainstream of application, still, existing brushless motor is had the following problems: 1, coil holder design height is excessively high and winding overhang length
It is too long；2, coiling reliability is low, and increases coil holder support degree；3, stator whole height is excessively high and high production cost；4, it dissipates
Thermal effect is bad.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of brushless motor.
To achieve the above object, the utility model uses following technical scheme:
A kind of brushless motor, including stator structure, and the rotor structure being coupled；The stator structure includes that PCB turns
Fishplate bar, the inserting rack coupled with the PCB adapter board, the iron core portion coupled with the inserting rack, and couple with the iron core portion
Wire reeling rack；Several coils are additionally provided between the inserting rack and wire reeling rack；The iron core portion be equipped with for the rotor
The cavity of structure connection, the wire reeling rack includes collar body, and the interior lateral center of the collar body, which extends to be equipped with, to be used
In the kinking portion coupled with the coil, the kinking portion forms the connection chamber for corresponding to the cavity, the collar body
The position that upper end corresponds to the kinking portion is equipped with winding section, is equipped with winding slot between the adjacent winding section；The rotor knot
Structure includes rotor core, is turned set on the end ring portion at the rotor core both ends, and through the rotor core and end ring portion
Axis.
Its further technical solution are as follows: the kinking portion includes the kinking bracket for coupling with the coil, and is located at
Baffle on the inside of the kinking bracket；The lower end of the baffle is equipped with the connection slot of " splayed ", between the adjacent connection slot
Form the union end coupled with the iron core portion.
Its further technical solution are as follows: the position that the iron core portion corresponds to the coil is equipped with connection cavity, the line
Circle couples with the wire reeling rack and inserting rack respectively across the connection cavity；The union end with described to couple cavity embedded
Connection.
Its further technical solution are as follows: the inside in the end ring portion couples with the rotor core, outside the end ring portion
Side is equipped with the boss for coupling with the shaft, is also evenly distributed with several blades on the boss.
Its further technical solution are as follows: the quantity in the kinking portion is 4-8, and is uniformly distributed in the collar body
On.
Its further technical solution are as follows: the upper end two sides of the baffle are equipped with chamfering.
Its further technical solution are as follows: the kinking bracket is arch shape.
Its further technical solution are as follows: the upper end of the winding section is equipped with one or more stopper protrusion.
Its further technical solution are as follows: the position that the collar body corresponds to the stopper protrusion is equipped with opening.
Its further technical solution are as follows: the two sides of the collar body are additionally provided with protruding block.
The beneficial effect of the utility model compared with prior art is: by stator structure, and the rotor knot being coupled
Structure；Stator structure includes PCB adapter board, the inserting rack coupled with PCB adapter board, the iron core portion coupled with inserting rack, Ji Yutie
The wire reeling rack of core connection；Several coils are additionally provided between inserting rack and wire reeling rack；Iron core portion is equipped with and is used for and rotor structure
The cavity of connection, wire reeling rack include collar body, and the interior lateral center of collar body, which extends, to be equipped with for coupling with coil
Kinking portion, kinking portion forms the connection chamber for corresponding to cavity, the position that the upper end of collar body corresponds to kinking portion be equipped with around
Line portion is equipped with winding slot between adjacent winding section；Rotor structure includes rotor core, set on the end ring portion at rotor core both ends,
And the shaft through rotor core and end ring portion；The design height of inserting rack and the length in iron core portion are reduced, so that around
Enameled wire effectively improves the full rate of winding slot, improves the power density of motor closer to the outside of stator structure when line
And efficiency；Simultaneously also reduce the mistake line number amount of winding section, alleviate the support degree of coil holder, improve coiling reliability,
Winding efficiency and the whole height for reducing stator structure, effectively reduce the design and production cost of motor；While end ring portion
Outside is equipped with the boss for coupling with shaft, is also evenly distributed with several blades on boss, accelerates the sky inside motor
Flow of air improves the heat dissipation effect of motor.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the utility model technology
Means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose of the utility model, feature and
Advantage can be more clearly understood, special below to lift preferred embodiment, and cooperate attached drawing, and detailed description are as follows.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model brushless motor；
Fig. 2 is the perspective view of the explosion of Fig. 1；
Fig. 3 is the structure chart of stator structure；
Fig. 4 is the structure chart of rotor structure；
Fig. 5 is the structural schematic diagram in end ring portion；
Fig. 6 is the structural schematic diagram of wire reeling rack；
Structural schematic diagram when Fig. 7 is wire reeling rack coiling；
Fig. 8 is the coiling schematic diagram of the method for winding of brushless motor stator coil holder.
Specific embodiment
In order to more fully understand the technology contents of the utility model, combined with specific embodiments below to the skill of the utility model
Art scheme is further described and illustrates, but not limited to this.
Specific embodiment as shown in Figures 1 to 8, a kind of brushless motor of the utility model, including stator structure 10, and with
Its rotor structure 20 coupled；Stator structure 10 includes PCB adapter board 11, the inserting rack 12 coupled with PCB adapter board 11, under
The iron core portion 13 that coil holder 12 couples, and the wire reeling rack 14 coupled with iron core portion 13；It is additionally provided between inserting rack 12 and wire reeling rack 14
Several coils 30；Iron core portion 13 is equipped with the cavity 131 for coupling with rotor structure 20, and wire reeling rack 14 includes collar body
141, the interior lateral center of collar body 141 extends the kinking portion 142 being equipped with for coupling with coil 30, kinking portion 142
The connection chamber 143 for corresponding to cavity 131 is formed, the position that the upper end of collar body 141 corresponds to kinking portion 142 is equipped with winding section
144, winding slot 145 is equipped between adjacent winding section 144；Rotor structure 20 includes rotor core 21, is set to 21 liang of rotor core
The end ring portion 22 at end, and the shaft 23 through rotor core 21 and end ring portion 22；The design height of wire reeling rack 14 is reduced, and
The length in iron core portion 13, so that enameled wire 40 effectively improves winding slot 145 closer to 10 outside of stator structure when coiling
Full rate, improves the power density and efficiency of motor.
Wherein, PCB adapter board 11 is for drawing machine winding outlet.
Specifically, as shown in Fig. 1 to Fig. 8 kinking portion 142 includes kinking bracket 1421 and the position for coupling with coil 30
Baffle 1422 in 1421 inside of kinking bracket；The lower end of baffle 1422 is equipped with the connection slot 1423 of " splayed ", adjacent connection
The union end 1424 coupled with iron core portion 13 is formed between slot 1423, compact-sized, connection is securely and convenient for kinking.
Wherein, in the present embodiment, baffle 1422 makes coil 30 be not in be moved forward and backward, and avoids because of coil 30
The mobile situation for causing motor operating unstable.
Wherein, the position that iron core portion 13 corresponds to coil 30 is equipped with connection cavity 132, and coil 30 passes through connection cavity 132
Couple respectively with wire reeling rack 14 and inserting rack 12；Connection is secured and helps to radiate.Union end 1424 is embedded in cavity 132 is coupled
Formula connection, so that structure is more compact, reduces the height of stator structure 10.
Specifically, as shown in Fig. 1 to Fig. 8 the inside in end ring portion 22 couples with rotor core 21, the outside in end ring portion 22 is equipped with
Boss 221 for coupling with shaft 23 is also evenly distributed with several blades 222 on boss 221, in addition to rotor core 21
It is fixed and is also served as balance external, radiator fan can also be played the role of, the flowing of motor inner air is accelerated, is conducive to electricity
Machine heat dissipation, can reduce motor temperature rise, seem especially important particularly with high power density pot motor, improve inside motor
Heat dissipating state, reduce brushless electric motor rotor magnet demagnetization risk, enhance the reliability of motor.
Wherein, the quantity in kinking portion 142 is 4-8, and is uniformly distributed in collar body 141.In the present embodiment, it twines
The quantity in line portion 142 is 6, is more convenient for carrying out kinking, and production.
Further, in the present embodiment, the upper end two sides of baffle 1422 are equipped with chamfering 1425, passing through and have convenient for line
Help radiate.
Wherein, kinking bracket 421 be arch shape so that coil 30 couple it is even closer, and stablize.
Wherein, the upper end of winding section 144 is equipped with one or more stopper protrusion 1441, so that the enameled wire of coiling
40 will not be prominent from winding section 144, helps to improve the reliability of coiling and the stability of stator structure 10.In the present embodiment
In, the quantity of stopper protrusion 1441 is two, is respectively arranged on the two sides of 144 upper end of winding section, in other embodiments, works as backstop
When the quantity of protrusion 1441 is one, stopper protrusion 1441 is located at the center of 144 upper end of winding section；When stopper protrusion 1441
Quantity more than two when, stopper protrusion 1441 is uniformly distributed in 144 upper end of winding section.
Further, in the present embodiment, the position that collar body 141 corresponds to stopper protrusion 1441 is equipped with opening 146,
Convenient for motor internal heat dissipating.
Wherein, the two sides of collar body 141 are additionally provided with protruding block 147, are convenient for installing and produce.
As shown in Figure 6 to 8, the invention also discloses a kind of method for winding of brushless motor stator coil holder, including
The interior lateral center of collar body 141, collar body 141 is extended with 6 kinking portions 142, the upper end pair of collar body 141
It should be equipped with winding section 144 in the position in kinking portion 142, be equipped with winding slot 44 between adjacent winding section 144；Winding section 144 includes
First winding section 1442, the second winding section 1443, third winding section 1444, the 4th winding section 1445, the 5th winding section 1446, and
6th winding section 1447.
Wherein, using counterclockwise or clock-wise fashion coiling；
When using clock-wise fashion coiling, method for winding includes:
One end of enameled wire is laid out from the first winding section to the 4th winding section；
Enameled wire is laid out from the 4th winding section to third winding section；
Enameled wire is laid out from third winding section to the 6th winding section；
Enameled wire is laid out from the 6th winding section to the 5th winding section；
Enameled wire is laid out from the 5th winding section to the second winding section, to complete coiling；
When using counter-clockwise coiling, method for winding includes:
One end of enameled wire is laid out from the second winding section to the 5th winding section；
Enameled wire is laid out from the 5th winding section to the 6th winding section；
Enameled wire is laid out from the 6th winding section to third winding section；
Enameled wire is laid out from third winding section to the 4th winding section；
Enameled wire is laid out from the 4th winding section to the first winding section, to complete coiling.
Wherein, in the present embodiment, coiling includes single line coiling and two-wire coiling；When coiling is single line, pass through coiling
The coiling in portion is one, and traditional winding mode, the coiling by winding section are two；When coiling be two-wire when, by around
The coiling in line portion is two, and traditional winding mode, the coiling by winding section are four；And when coiling is greater than two,
The coiling quantity that the utility model passes through winding section is the half of traditional winding mode, greatly reduces the mistake line number of winding section
Amount.
The winding mode of the utility model reduces the mistake line number amount of winding section, reduce stator coil holder design height and
The length in kinking portion alleviates the support degree of stator coil holder, improves reliability, winding efficiency and the reduction stator knot of coiling
The whole height of structure effectively reduces the design and production cost of motor.
In conclusion the utility model reduces the design height of inserting rack and the length in iron core portion, so that when coiling
Enameled wire effectively improves the full rate of winding slot closer to the outside of stator structure, improves the power density and effect of motor
Rate；The mistake line number amount of winding section is also reduced simultaneously, the support degree of coil holder is alleviated, improves reliability, the coiling of coiling
Efficiency and the whole height for reducing stator structure, effectively reduce the design and production cost of motor；The outside in end ring portion simultaneously
Equipped with the boss for coupling with shaft, it is also evenly distributed with several blades on boss, accelerates the air stream inside motor
It is dynamic, improve the heat dissipation effect of motor.
The above-mentioned technology contents that the utility model is only further illustrated with embodiment, in order to which reader is easier to understand,
But the embodiments of the present invention is not represented is only limitted to this, any technology done according to the utility model extends or recreation,
By the protection of the utility model.The protection scope of the utility model is subject to claims.
Claims (10)
1. a kind of brushless motor, which is characterized in that including stator structure, and the rotor structure being coupled；The stator structure
Including PCB adapter board, the inserting rack coupled with the PCB adapter board, the iron core portion coupled with the inserting rack, and with the iron
The wire reeling rack of core connection；Several coils are additionally provided between the inserting rack and wire reeling rack；The iron core portion be equipped with for
The cavity of the rotor structure connection, the wire reeling rack includes collar body, and the interior lateral center of the collar body is prolonged
The kinking portion being equipped with for coupling with the coil is stretched, the kinking portion forms the connection chamber for corresponding to the cavity, the ring
The upper end for enclosing ontology is equipped with winding section corresponding to the position in the kinking portion, is equipped with winding slot between the adjacent winding section；Institute
Stating rotor structure includes rotor core, set on the end ring portion at the rotor core both ends, and through the rotor core and end
The shaft of ring portion.
2. a kind of brushless motor according to claim 1, which is characterized in that the kinking portion include for the coil
The kinking bracket of connection, and the baffle on the inside of the kinking bracket；The lower end of the baffle is equipped with the connection of " splayed "
Slot forms the union end coupled with the iron core portion between the adjacent connection slot.
3. a kind of brushless motor according to claim 2, which is characterized in that the iron core portion corresponds to the position of the coil
Connection cavity is installed, the coil passes through the connection cavity and couples respectively with the wire reeling rack and inserting rack；The connection
End couples the embedded connection of cavity with described.
4. a kind of brushless motor according to claim 1, which is characterized in that the inside in the end ring portion and the rotor iron
Core connection, the outside in the end ring portion is equipped with the boss for coupling with the shaft, if being also evenly distributed on the boss
Dry blade.
5. a kind of brushless motor according to claim 1, which is characterized in that the quantity in the kinking portion is 4-8, and
It is even to be distributed in the collar body.
6. a kind of brushless motor according to claim 2, which is characterized in that the upper end two sides of the baffle are equipped with chamfering.
7. a kind of brushless motor according to claim 2, which is characterized in that the kinking bracket is arch shape.
8. a kind of brushless motor according to claim 1, which is characterized in that the upper end of the winding section is equipped with one or one
A above stopper protrusion.
9. a kind of brushless motor according to claim 8, which is characterized in that it is convex that the collar body corresponds to the backstop
The position risen is equipped with opening.
10. a kind of brushless motor according to claim 1, which is characterized in that the two sides of the collar body are additionally provided with convex
It is bittiness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821554536.8U CN208754148U (en) | 2018-09-21 | 2018-09-21 | A kind of brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821554536.8U CN208754148U (en) | 2018-09-21 | 2018-09-21 | A kind of brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208754148U true CN208754148U (en) | 2019-04-16 |
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ID=66085021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821554536.8U Active CN208754148U (en) | 2018-09-21 | 2018-09-21 | A kind of brushless motor |
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| Country | Link |
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| CN (1) | CN208754148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067093A (en) * | 2018-09-21 | 2018-12-21 | 中创机电科技(深圳)有限公司 | A kind of brushless motor |
-
2018
- 2018-09-21 CN CN201821554536.8U patent/CN208754148U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067093A (en) * | 2018-09-21 | 2018-12-21 | 中创机电科技(深圳)有限公司 | A kind of brushless motor |
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