CN201328060Y - Three-phase brushless rotor motor - Google Patents
Three-phase brushless rotor motor Download PDFInfo
- Publication number
- CN201328060Y CN201328060Y CNU2008202141818U CN200820214181U CN201328060Y CN 201328060 Y CN201328060 Y CN 201328060Y CN U2008202141818 U CNU2008202141818 U CN U2008202141818U CN 200820214181 U CN200820214181 U CN 200820214181U CN 201328060 Y CN201328060 Y CN 201328060Y
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- CN
- China
- Prior art keywords
- motor
- rotor
- stator
- phase brushless
- seat
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model provides a three-phase brushless rotor motor, which comprises a rotor, a stator and a motor stator seat, wherein, the rotor is arranged on the periphery of the stator, and the rotor and the stator are arranged on the motor stator seat; the rotor comprises a motor casing, a magnetic bar and a shaft core, wherein, the motor casing and the magnetic bar are provided with a first and a second cavity bodies, and the magnetic bar is inserted into the first cavity body, and the stator is inserted into the second cavity body; the shaft core is connected with the motor casing and passes through the center of the motor casing and the magnetic bar; the stator comprises an insulation seat, a silicon steel sheet and a PCB unit, wherein, the insulation seat comprises a central bracket, and the silicon steel sheet is wound on the central bracket, and the PCB unit is connected with the insulation seat; the central bracket is sleeved on the motor stator seat; the shaft core passes through the central bracket, the PCB unit and the motor stator seat. The rotor of the three-phase brushless rotor motor is tightly assembled on the periphery of the stator, and the stator is sleeved on the motor stator seat, so that the rotor has small noise during the running process, and the motor has long service life and low power consumption, and is safe and stable.
Description
[technical field]
The utility model relates to a kind of brushless motor, relates in particular to a kind of three-phase brushless external-rotor motor.
[background technology]
Brushless motor (Brushless motor) is a kind of motor that does not have mechanical commutator, and brushless motor changes magnetic field state by " electronic commutator ", thus the running of magnet rotor; Electronic commutator directly acts on the coil of brushless motor, does not contact with the magnet rotor, therefore not wearing and tearing.The existing brushless motor that is used on the electric type product of market, power is big, and the life-span is short, and noise is big, the demand of incompatibility market energy-conserving and environment-protective.
[utility model content]
Technical problem to be solved in the utility model is to provide a kind of three-phase brushless external-rotor motor, and its running noise is little, and the life-span is long.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of three-phase brushless external-rotor motor is provided, comprises rotor, stator and motor stator seat, described rotor is trapped among the periphery of stator, and described rotor and stator are located on the motor stator seat; Described rotor comprises motor shell, magnetic stripe and axle core, is respectively equipped with first cavity and second cavity on described motor shell and the magnetic stripe, and described magnetic stripe embeds in first cavity, and stator embeds in second cavity; Described axle core is connected with motor shell, and the center by motor shell and magnetic stripe; Described stator comprises that insulating base, silicon steel sheet and PCB group are upright, and described insulating base comprises centre frame, and silicon steel sheet is on centre frame, and the PCB group is upright to be connected with insulating base; Described centre frame is enclosed within on the motor stator seat; Described axle core passes centre frame, the upright and motor stator seat of PCB group.
Compared with prior art, the rotor of above-mentioned three-phase brushless external-rotor motor is combined in the periphery of stator closely, and stator closely is enclosed within on the motor stator seat; Logical corresponding direct current, the stator rotating magnetic field, rotor run-in synchronism, this fit structure makes that the rotor running noise is little, motor life is long, and is low in energy consumption, safety and stability.
[description of drawings]
Fig. 1 is the schematic perspective view of the utility model one preferred embodiment.
Fig. 2 is the cross-sectional schematic of example shown in Figure 1.
Fig. 3 is the part cross-sectional schematic of example shown in Figure 1.
Fig. 4 is the front elevational schematic of example shown in Figure 1.
Fig. 5 is the schematic top plan view of the base of motor positioning seat in the example shown in Figure 1.
[embodiment]
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 1 to Fig. 3, be a preferred embodiment of the utility model three-phase brushless external-rotor motor, it comprises rotor 1, stator 2 and motor stator seat 3, and described rotor 1 is trapped among the periphery of stator 2, and around stator 2 rotations, described rotor 1 and stator 2 all are located on the motor stator seat 3.
Described rotor 1 comprises motor shell 10, magnetic stripe 12 and axle core 14, and described motor shell 10 and magnetic stripe 12 are cylinder, and axle core 14 is connected with motor shell 10, and axle core 14 is by the center of motor shell 10 and magnetic stripe 12.Be respectively equipped with first cavity 102 and second cavity 120 on described motor shell 10 and the magnetic stripe 12, described magnetic stripe 12 embeds in first cavity 102, and the lateral wall of the madial wall of first cavity 102 and magnetic stripe 12 next-door neighbour; Described stator 2 embeds in second cavity 120.
Described stator 2 comprises insulating base 20, silicon steel sheet 21, enamelled wire 22 and PCB group upright 24.Described insulating base 20 comprises that centre frame 200, centre frame 200 are provided with passage (not indicating among the figure), pass through for axle core 14.The both sides of described centre frame 200 are respectively equipped with support 202, all are wound with silicon steel sheet 21 on each support 202, described silicon steel sheet 21 coiled coil groups.Described enamelled wire 22 is embedded the coil groups inside that forms at silicon steel sheet 21.Described support 202 is provided with guide pin 204, and PCB group upright 24 is provided with hole 240, in guide pin 204 patchholes 240, PCB group upright 24 is connected with insulating base 20.
Described motor positioning seat 3 comprises that central tube 30 reaches and the central tube 30 vertical bases that are connected 32.Described centre frame 200 is enclosed within on the central tube 30, and then makes stator 2 be combined in the periphery of motor positioning seat 3 closely.Described stator 2 embeds in second cavity 120 of magnetic stripe 12, and therefore, rotor 1 is combined in the periphery of stator 2 closely, and described rotor 1 one ends are resisted against on the base 32 of motor positioning seat 3.
Described central tube 30 is provided with central channel 34, and described axle core 14 passes insulating base 20, and the PCB group stands 24, and then passes central channel 34.The outer wall of described central tube 30 is provided with bayonet socket 36, and described bayonet socket 36 cooperates with centre frame 200, makes stator 2 cooperate tightr with motor positioning seat 3.The upper port 340 of described central channel 34 and lower port 342 places are provided with ball bearing 344 respectively, ball bearing 344 tops at lower port place also are provided with spring 346, described spring 346 and ball bearing 344 all are enclosed within on the core 14, and by clasp 348 spring 346 and ball bearing 344 are fixed on the core 14.
Please together consult Fig. 4 and Fig. 5, the upper bottom surface 320 of described base 32 is provided with a plurality of fixing holes 322 and a plurality of spiral shell mosquitos hole 324, described screwed hole 324 is spaced apart with fixing hole 322, with motor applications on different electrical equipment the time, can select screwed hole 324 arbitrarily, be fixed on the electrical equipment by screwed hole 324 with nut 326.Also be provided with support column 323 on the two side 321 of described base 32, bottom surface 325 is provided with bottom support post 327, and 327 pairs of motor positioning seats 3 of described support column 323 and bottom support portion all can play the effect of support.
The rotor 1 of above-mentioned three-phase brushless external-rotor motor is combined in the periphery of stator 2 closely, establishes central tube 30 on the motor stator seat 3, and stator 2 is enclosed within on the central tube 30; Ball bearing 344 and spring 346 all are located in the central channel 34 on the central tube 30; Bayonet socket 36 fixed-site screens on the described stator seat 23 can closely combine stator 2 on stator seat 23; Described clasp 348 is anchored on rotor 1 on the stator seat 23, logical corresponding direct current, stator 2 rotating magnetic fields, rotor 1 run-in synchronism.Described rotor 1 can be the rare earth permanent magnet structure, is assemblied in closely on the stator seat, and running noise is little, and the life-span is long, and is low in energy consumption, safety and stability.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. a three-phase brushless external-rotor motor comprises rotor, stator and motor stator seat, and described rotor is trapped among the periphery of stator, and described rotor and stator are located on the motor stator seat; It is characterized in that: described rotor comprises motor shell, magnetic stripe and axle core, is respectively equipped with first cavity and second cavity on described motor shell and the magnetic stripe, and described magnetic stripe embeds in first cavity, and stator embeds in second cavity; Described axle core is connected with motor shell, and the center by motor shell and magnetic stripe; Described stator comprises that insulating base, silicon steel sheet and PCB group are upright, and described insulating base comprises centre frame, and silicon steel sheet is on centre frame, and the PCB group is upright to be connected with insulating base; Described centre frame is enclosed within on the motor stator seat; Described axle core passes centre frame, the upright and motor stator seat of PCB group.
2. three-phase brushless external-rotor motor as claimed in claim 1 is characterized in that: described motor stator seat comprises central tube and base, and central tube and base intersect; Described centre frame is enclosed within on the central tube, and rotor places on the base.
3. three-phase brushless external-rotor motor as claimed in claim 1, it is characterized in that: described central tube is provided with central channel, described central channel upper port and lower port place are provided with ball bearing respectively, the ball bearing top at lower port place also is provided with spring, and described spring and ball bearing all are enclosed within on the core.
4. three-phase brushless external-rotor motor as claimed in claim 3 is characterized in that: described central channel lower port place also is provided with rotor is anchored on clasp on the motor positioning seat.
5. three-phase brushless external-rotor motor as claimed in claim 1 is characterized in that: described centre frame is provided with the passage that passes through for the axle core, and the both sides of centre frame are respectively equipped with support, and described silicon steel sheet is the coiled coiled type on support.
6. three-phase brushless external-rotor motor as claimed in claim 5 is characterized in that: described stator also comprises enamelled wire, and described enamelled wire is embedded the coil groups inside that forms at silicon steel sheet.
7. three-phase brushless external-rotor motor as claimed in claim 6 is characterized in that: described support is provided with guide pin, the upright hole of inserting for guide pin that is provided with of PCB group.
8. three-phase brushless external-rotor motor as claimed in claim 2 is characterized in that: the outer wall of described central tube is provided with the bayonet socket that cooperates with centre frame.
9. three-phase brushless external-rotor motor as claimed in claim 2 is characterized in that: the upper bottom surface of described base is provided with and a plurality ofly can be fixed on spiral shell mosquito hole on the electrical equipment by nut.
10. three-phase brushless external-rotor motor as claimed in claim 2 is characterized in that: also be provided with the support column that supports the motor positioning seat on the described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202141818U CN201328060Y (en) | 2008-12-03 | 2008-12-03 | Three-phase brushless rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202141818U CN201328060Y (en) | 2008-12-03 | 2008-12-03 | Three-phase brushless rotor motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201328060Y true CN201328060Y (en) | 2009-10-14 |
Family
ID=41180021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202141818U Expired - Fee Related CN201328060Y (en) | 2008-12-03 | 2008-12-03 | Three-phase brushless rotor motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201328060Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340203A (en) * | 2010-07-20 | 2012-02-01 | 日本电产株式会社 | Motor and motor mechanism |
| CN102761191A (en) * | 2011-04-25 | 2012-10-31 | 日本电产株式会社 | Motor |
| CN103441604A (en) * | 2013-08-29 | 2013-12-11 | 福尔斯通电子(昆山)有限公司 | Abrasion-resistant vibration-proof motor |
-
2008
- 2008-12-03 CN CNU2008202141818U patent/CN201328060Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340203A (en) * | 2010-07-20 | 2012-02-01 | 日本电产株式会社 | Motor and motor mechanism |
| CN102761191A (en) * | 2011-04-25 | 2012-10-31 | 日本电产株式会社 | Motor |
| CN102761191B (en) * | 2011-04-25 | 2015-04-29 | 日本电产株式会社 | Motor |
| CN103441604A (en) * | 2013-08-29 | 2013-12-11 | 福尔斯通电子(昆山)有限公司 | Abrasion-resistant vibration-proof motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091014 Termination date: 20151203 |
|
| EXPY | Termination of patent right or utility model |