CN209200798U - A kind of coil of brushless motor - Google Patents
A kind of coil of brushless motor Download PDFInfo
- Publication number
- CN209200798U CN209200798U CN201822221711.8U CN201822221711U CN209200798U CN 209200798 U CN209200798 U CN 209200798U CN 201822221711 U CN201822221711 U CN 201822221711U CN 209200798 U CN209200798 U CN 209200798U
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- China
- Prior art keywords
- coil
- cover
- layer
- end housing
- brushless motor
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Abstract
The utility model discloses a kind of coils of brushless motor, including end housing, the end housing in the horizontal direction on side sidewall weld have end cap, the end housing is welded with deck by the side of proximal cover, the inner bottom wall of the deck has been bolted compressed spring, the outer surface of cupular part of the compressed spring is fixedly connected with fixture block, the end housing leans on the side of proximal cover and has dust cover with deck fitting connection, the end housing is equipped with stator far from the side inner sidewall of end cap, and stator is welded with main shaft by the side inner sidewall of proximal cover, the inner sidewall of the end housing is chimeric magnet, the stator is fitted by the inner sidewall of proximal cover bracket, the bracket is fixedly connected with permanent magnetic steel by one end of near magnet.A kind of coil of brushless motor described in the utility model reinforces electrostatic screen, and then is conducive to the steady operation of brushless motor, is furthermore convenient for also can reduce the cost of replacement while the separation of coil and stator, brings better prospect of the application.
Description
Technical field
The utility model relates to brushless motor field, in particular to a kind of coil of brushless motor.
Background technique
Brushless motor is constructively to use permanent magnet as rotor, and with the position of Hall effect induction electric machine rotor
It sets, when the phase of rotor is seasonal stator excitation, so can achieve highest operating effect, and brushless motor is compared to brush motor
The rotor for when maximum difference being brushless motor is permanent magnetic steel, is connected together with shell with output shaft, stator is winding
Coil, eliminates the commutating brush that brush motor is used to checker electromagnetic field, and service life is also longer compared with brush motor.
Coil in brushless motor is wrapped on stator, is rotated cutting magnetic field by rotor and is generated electric current, due to line
Circle is conductor in itself, its own electromagnetic field generated can generate interference, and then be unfavorable for the work of motor, while it is easier that coil
Reduced service life, in addition, traditional coil is mounted on stator so that need to replace stator is synchronous when changing of coils,
So that the added cost of replacement, therefore during use, certain influence is brought, for this purpose, it is proposed that a kind of brushless
The coil of motor.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of brushless motor proposed
Coil.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of coil of brushless motor, including end housing, the end housing in the horizontal direction on side sidewall weld have end cap,
The end housing is welded with deck by the side of proximal cover, and the inner bottom wall of the deck has been bolted compressed spring, the compression
The outer surface of cupular part of spring is fixedly connected with fixture block, and the end housing leans on the side of proximal cover and has with deck fitting connection dust-proof
Cover, the end housing is equipped with stator far from the side inner sidewall of end cap, and stator is welded with main shaft by the side inner sidewall of proximal cover,
The inner sidewall of the end housing is chimeric magnet, and the stator is fitted by the inner sidewall of proximal cover bracket, and the bracket is close to magnetic
One end of iron is fixedly connected with permanent magnetic steel, and the main shaft is arranged with coil column through one end of bracket, the coil column it is outer
Surface is arranged with rubber layer, and the outer surface of the rubber layer is arranged with coil main body.
It is as above-mentioned technical proposal to further describe:
The coil main body includes gum cover, electrostatic screen layer, electric field isolation layer, enamel-cover layer and conducting wire, the gum cover set
If the outermost layer with coil main body, and the inner sidewall of gum cover is provided with electrostatic screen layer, the electrostatic screen layer is far from gum cover
Side is equipped with electric field isolation layer, and the innermost layer of the coil main body is equipped with conducting wire, and enamel-cover layer is coated in the outer surface of the conducting wire.
It is as above-mentioned technical proposal to further describe:
The end housing leans on the side of proximal cover to be symmetrical arranged with the horizontal median axis of end cap, and there are two deck, the dust covers
Two sides on vertically are fitting to connection by two decks and end housing, and the one end and fixture block of dust cover close to compressed spring
It is mutually chimeric.
It is as above-mentioned technical proposal to further describe:
The outer surface of the bracket is equally spaced centered on main shaft, and there are six struts, and are provided between adjacent struts
Coil column, the coil column are successively entwined by coil main body along the direction of the horizontal median axis of coil column.
It is as above-mentioned technical proposal to further describe:
The coil column is provided with permanent magnetic steel, and the magnet and coil of the inner sidewall setting of end housing by one end of near magnet
Column and the permanent magnetic steel of bracket one end setting correspond.
It is as above-mentioned technical proposal to further describe:
The coil main body is disposed with enamel-cover layer, electric field isolation layer, electrostatic sheild by interior using conducting wire as innermost layer outward
Layer and gum cover are covered, and electric field isolation layer is constituted between gum cover and electrostatic screen layer by lead powder is tightly packed.
It is as above-mentioned technical proposal to further describe:
The consistent heat sink of diameter of diameter and end cap is provided between the end cap and stator, the coil column is close to forever
Do grounding in one end of magnetic magnet steel.
In the utility model: the coil of the brushless motor is completely cut off by the electrostatic screen layer, enamel-cover layer and electric field of setting
Layer, successively it is arranged outward using conducting wire as innermost layer by enamel-cover layer, electric field isolation layer, electrostatic screen layer and glue inside coil main body
Set is constituted, and electric field isolation layer, enamel-cover layer and electrostatic screen layer can be good at absorption, reflection of electromagnetic, avoids generating interference,
And then it is conducive to the steady operation of brushless motor；
The coil of the brushless motor is wound coil compared to traditional by the stator, bracket and coil column of setting
In the mode of stator, coil is wrapped in coil column and is fixed on bracket, so that mutually being separated when changing of coils with stator, is convenient for
Also it can reduce the cost of replacement while separation, it is more preferable relative to traditional approach.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of brushless motor coil overall structure diagram；
Fig. 2 is Figure 1A-A cross-sectional view；
Fig. 3 be the utility model proposes a kind of brushless motor coil coil column cross-sectional view；
Fig. 4 is schematic enlarged-scale view at Fig. 3 B；
In figure: 1, end housing；2, end cap；3, deck；4, compressed spring；5, fixture block；6, dust cover；7, stator；8, main shaft；9,
Magnet；10, bracket；11, permanent magnetic steel；12, coil column；13, rubber layer；14, coil main body；15, gum cover；16, electrostatic screen
Layer；17, electric field isolation layer；18, enamel-cover layer；19, conducting wire.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention；Term " first ", " the
Two ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance；In addition, unless otherwise specific
Regulation and restriction, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to
It is detachably connected, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also lead to
It crosses intermediary to be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be with
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Referring to Fig.1-4, a kind of coil of brushless motor, including end housing 1, end housing 1 in the horizontal direction on side side wall weldering
It is connected to end cap 2, end cap 2 plays the role of heat dissipation, and end housing 1 is welded with deck 3, the inner bottom wall spiral shell of deck 3 by the side of proximal cover 2
Tether and be connected to compressed spring 4, the outer surface of cupular part of compressed spring 4 is fixedly connected with fixture block 5, convenient for dust cover 6 dismounting with more
It changes, end housing 1 leans on the side of proximal cover 2 and has dust cover 6, side inner sidewall of the end housing 1 far from end cap 2 with the fitting connection of deck 3
Equipped with stator 7, and stator 7 is welded with main shaft 8 by the side inner sidewall of proximal cover 2, and the inner sidewall of end housing 1 is chimeric magnet 9, fixed
Son 7 is fitted by the inner sidewall of proximal cover 2 bracket 10, and coil column 12 is supported, and bracket 10 is solid by one end of near magnet 9
Surely it is connected with permanent magnetic steel 11, main shaft 8 is arranged with coil column 12 through one end of bracket 10, becomes the load of the winding of coil main body 14
Body, the outer surface of coil column 12 is arranged with rubber layer 13, anti-wear, and the outer surface of rubber layer 13 is arranged with coil main body 14.
Coil main body 14 includes gum cover 15, electrostatic screen layer 16, electric field isolation layer 17, enamel-cover layer 18 and conducting wire 19, glue
Set 15 is arranged the outermost layer with coil main body 14, enhances wear resistance, and the inner sidewall of gum cover 15 is provided with electrostatic screen layer 16,
Electrostatic screen layer 16 is equipped with electric field isolation layer 17 far from the side of gum cover 15, and the electromagnetic field for avoiding itself from generating is normal for motor
The innermost layer of the influence of work, coil main body 14 is equipped with conducting wire 19, and enamel-cover layer 18 is coated in the outer surface of conducting wire 19, to conducting wire 19
It is protected and plays the role of certain electrostatic screen.
End housing 1 leans on the side of proximal cover 2 to be symmetrical arranged with the horizontal median axis of end cap 2, and there are two deck 3,6 edges of dust cover
Two sides in vertical direction are fitting to connection by two decks 3 and end housing 1, and the one end and card of dust cover 6 close to compressed spring 4
5 phase of block is chimeric, for carrying out proofing dust and protecting at end cap 2.
The outer surface of bracket 10 is equally spaced centered on main shaft 8, and there are six struts, and are provided between adjacent struts
Coil column 12 is supported coil column 12, and coil column 12 is by coil main body 14 along the side of the horizontal median axis of coil column 12
To being successively entwined, coil main body 14 generates can be for magnetic field that rotor cutting is cut.
Coil column 12 is provided with permanent magnetic steel 11 by one end of near magnet 9, and the magnet 9 of the inner sidewall setting of end housing 1 with
Coil column 12 and the permanent magnetic steel 11 of 10 one end of bracket setting correspond, and permanent magnetic steel 11 supplies variable-frequency power sources by controller
To coil main body 14, and then generates magnetic field and drive motor running.
Coil main body 14 is innermost layer by the interior enamel-cover layer 18, electric field isolation layer 17, quiet of being disposed with outward with conducting wire 19
Shield layer 16 and gum cover 15, and electric field isolation layer 17 is by the tightly packed structure between gum cover 15 and electrostatic screen layer 16 of lead powder
At so that the antistatic effect of coil main body 14 is preferable, being protected for coil main body 14, enhancing service life and does not influence
Motor operations.
It is provided with the consistent heat sink of diameter of diameter Yu end cap 2 between end cap 2 and stator 7, reinforces heat dissipation, coil column 12
Grounding is done in one end close to permanent magnetic steel 11, so that having good electrostatic shield effect.
Working principle: the utility model be brushless motor coil, coil main body 14 is innermost layer with conducting wire 19, from it is interior toward
It is disposed with enamel-cover layer 18, electric field isolation layer 17, electrostatic screen layer 16 and gum cover 15 outside, and lead powder is uniformly filled in gum cover
Electric field isolation layer 17 is constituted between 15 and electrostatic screen layer 16, and electrostatic screen layer 16 is then closely to harass and disturb in gum cover 15 and enamel-cover
Sheet metal between layer 18, this kind of structure enhance the electrostatic shield effect of entire coil main body 14, improve service life with
And the normal work of motor is not interfered, coil main body 14 is successively wrapped in coil column 12, and coil column 12 is set in turn in bracket
Between two of 10, and strut and coil column 12 are respectively connected with permanent magnetic steel 11 by one end of near magnet 9, and permanent magnetic steel 11 is by controlling
Device processed supplies variable-frequency power sources to coil main body 14, and then generates magnetic field and drive motor running, and bracket 10 is arranged with stator 7 by proximal end
The outer surface of the main shaft 8 of 2 side of lid connection, so that bracket 10 is separated together with coil column 12 is convenient with stator 7, end housing 1 is with end cap 2
The symmetrically arranged deck 3 in two sides of horizontal median axis be able to be engaged with dust cover 6 with compressed spring 4 by fixture block 5, make
End housing 1 while have the function of heat dissipation effect with dust-proof, it is more practical.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of coil of brushless motor, including end housing (1), it is characterised in that: the end housing (1) in the horizontal direction on side
Sidewall weld has end cap (2), and the end housing (1) is welded with deck (3) by the side of proximal cover (2), the interior bottom of the deck (3)
Wall has been bolted compressed spring (4), and the outer surface of cupular part of the compressed spring (4) is fixedly connected with fixture block (5), the end housing
(1) leaning on the side of proximal cover (2) and being fitting to connection with deck (3) has dust cover (6), and the one of the end housing (1) separate end cap (2)
Side inner sidewall is equipped with stator (7), and side inner sidewall of the stator (7) by proximal cover (2) is welded with main shaft (8), the end housing (1)
Inner sidewall it is chimeric have magnet (9), inner sidewall of the stator (7) by proximal cover (2) is chimeric bracket (10), the bracket
(10) one end by near magnet (9) is fixedly connected with permanent magnetic steel (11), and the main shaft (8) is arranged through the one end of bracket (10)
Have coil column (12), the outer surface of the coil column (12) is arranged with rubber layer (13), the outer surface of the rubber layer (13) around
Equipped with coil main body (14).
2. a kind of coil of brushless motor according to claim 1, it is characterised in that: the coil main body (14) includes glue
Set (15), electrostatic screen layer (16), electric field isolation layer (17), enamel-cover layer (18) and conducting wire (19), the gum cover (15) are arranged
It is provided with electrostatic screen layer (16) with the inner sidewall of the outermost layer of coil main body (14), and gum cover (15), the electrostatic screen layer
(16) side far from gum cover (15) is equipped with electric field isolation layer (17), and the innermost layer of the coil main body (14) is equipped with conducting wire
(19), enamel-cover layer (18) are coated in the outer surface of the conducting wire (19).
3. a kind of coil of brushless motor according to claim 1, it is characterised in that: the end housing (1) leans on proximal cover (2)
Side be symmetrical arranged with the horizontal median axis of end cap (2) there are two deck (3), the dust cover (6) vertically on
Two sides are fitting to connection by two decks (3) and end housing (1), and the one end and fixture block of dust cover (6) close to compressed spring (4)
(5) it is mutually fitted into.
4. a kind of coil of brushless motor according to claim 1, it is characterised in that: the outer surface of the bracket (10) with
Being equally spaced centered on main shaft (8), there are six struts, and coil column (12), the coil column are provided between adjacent struts
(12) it is successively entwined by coil main body (14) along the direction of the horizontal median axis of coil column (12).
5. a kind of coil of brushless motor according to claim 1, it is characterised in that: the coil column (12) leans near magnet
(9) one end is provided with permanent magnetic steel (11), and the magnet (9) and coil column (12) and branch of the inner sidewall setting of end housing (1)
The permanent magnetic steel (11) of frame (10) one end setting corresponds.
6. a kind of coil of brushless motor according to claim 1 or 2, it is characterised in that: the coil main body (14) with
Conducting wire (19) be innermost layer by it is interior be disposed with outward enamel-cover layer (18), electric field isolation layer (17), electrostatic screen layer (16) with
And gum cover (15), and electric field isolation layer (17) is constituted between gum cover (15) and electrostatic screen layer (16) by lead powder is tightly packed.
7. a kind of coil of brushless motor according to claim 1, it is characterised in that: the end cap (2) and stator (7) it
Between be provided with the consistent heat sink of diameter of diameter Yu end cap (2), the one end of the coil column (12) close to permanent magnetic steel (11)
Do grounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822221711.8U CN209200798U (en) | 2018-12-28 | 2018-12-28 | A kind of coil of brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822221711.8U CN209200798U (en) | 2018-12-28 | 2018-12-28 | A kind of coil of brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209200798U true CN209200798U (en) | 2019-08-02 |
Family
ID=67430502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822221711.8U Expired - Fee Related CN209200798U (en) | 2018-12-28 | 2018-12-28 | A kind of coil of brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209200798U (en) |
-
2018
- 2018-12-28 CN CN201822221711.8U patent/CN209200798U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20191228 |