CN201601538U - Motor - Google Patents
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- Publication number
- CN201601538U CN201601538U CN2009202178357U CN200920217835U CN201601538U CN 201601538 U CN201601538 U CN 201601538U CN 2009202178357 U CN2009202178357 U CN 2009202178357U CN 200920217835 U CN200920217835 U CN 200920217835U CN 201601538 U CN201601538 U CN 201601538U
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- CN
- China
- Prior art keywords
- silicon steel
- permanent magnet
- steel sheet
- motor
- sheet group
- 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 - Fee Related
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- Iron Core Of Rotating Electric Machines (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A motor at least comprises a base, a stator and a rotor, wherein the base is provided with a shaft joint portion, the stator is combined with the base, the stator consists of a silicon steel plate group and a coil group, the silicon steel plate group has the maximum outer diameter, the coil group is provided with at least one coil winding around the surface of the silicon steel plate group, the rotor consists of a wheel hub and a permanent magnet, the wheel hub is combined on the shaft joint portion of the base, the permanent magnet is combined with the peripheral wall of the inner side of the wheel hub, the permanent magnet has a radial thickness, and the ratio of the maximum outer diameter of the silicon steel plate group to the radial thickness of the permanent magnet is 18-40. Thereby, load power and power consumption of the motor can be reduced.
Description
Technical field
The utility model is about a kind of motor, particularly a kind of motor with radial air gap.
Background technology
Please refer to shown in Figure 1ly, existing external-rotor motor 9 roughly comprises a pedestal 91, a stator 92 and a rotor 93.This pedestal 91 has a central siphon 911; This stator 92 can be incorporated into the outer peripheral face of this central siphon 911; This rotor 93 is provided with a wheel hub 931 and a permanent magnet 932, and this wheel hub 931 is rotatably in conjunction with this central siphon 911, and this permanent magnet 932 is incorporated into this wheel hub 931 inboards, makes to have a radial air gap G between this permanent magnet 932 and this stator 92.Whereby, this stator 92 can produce alternating magnetic field, and by this radial air gap G and the 932 generation effects of this permanent magnet, and then to drive this rotor 93 be that the center is rotated with this central siphon 911.
More in detail, the stator 92 of above-mentioned existing motor 9 is by insulating case 922 on the silicon steel sheet group 921,, once insulating case 923 and a coil groups 924 are formed.This silicon steel sheet group 921 is piled up mutually by several silicon steel sheets and is combined as a whole; Upward insulating case 922 and this time insulating case 923 are incorporated into the two ends of this silicon steel sheet group 921 respectively; This coil groups 924 reels simultaneously and is incorporated into this silicon steel sheet group 921, the predetermined position of insulating case 922 and this time insulating case 923 on this.
Be that example proposes explanation with identical two motors 9 of wheel hub 931 external diameters, if the maximum outside diameter d of the silicon steel sheet group 921 of one of them motor 9 is during greater than the maximum outside diameter d of the silicon steel sheet group 921 of another motor 9 again; Generally speaking, the stator 92 that outside diameter d is bigger can suitably increase the number of turns of this coil groups 924 relatively, or, be familiar with this skill person and be appreciated that and so can further can reduce these motor 9 bearing powers and reduction power consumption at the thicker coil in this coil groups 924 winding lines footpath.
Yet the maximum outside diameter d that is not this silicon steel sheet group 921 of any increasing can reach the purpose that reduces bearing power and reduce power consumption; Wherein when desire increases the maximum outside diameter d of this silicon steel sheet group 921, then must reduce the thickness t of this permanent magnet 932 relatively; Again, if when excessively reducing the thickness t of this permanent magnet 932,932 magnetic energy that can produce of this permanent magnet also can reduce relatively, influence the running usefulness of this motor 9 on the contrary.
Therefore, how to define the maximum outside diameter d of the silicon steel sheet group 921 of existing motor 9, be crucial subject under discussion in the motors designs field, yet, existing motor 9 is when setting the preferable maximum outside diameter d of this silicon steel sheet group 921, do not consider the thickness t relative scale relation each other of maximum outside diameter d and this permanent magnet 932 of this silicon steel sheet group 921, thus the bearing power and the power consumption of existing motor 9 can't obviously be reduced, and still have necessity of being improved.
The utility model content
The purpose of this utility model provides a kind of motor, and it is the thickness relative scale relation each other by the maximum outside diameter that defines this silicon steel sheet group and this permanent magnet, in order to the motor that can reduce bearing power to be provided.
Another purpose of the utility model is that the motor that can effectively reduce power consumption further is provided.
For achieving the above object, the utility model provides: a kind of motor comprises a pedestal, a stator and a rotor.This pedestal has an axis part; This stator is in conjunction with this pedestal, and this stator comprises a silicon steel sheet group and a coil groups, and this silicon steel sheet group has a maximum outside diameter, and this coil groups is provided with at least one coil on the surface of this silicon steel sheet group of winding; This rotor comprises a wheel hub and a permanent magnet, and this wheel hub is incorporated into the axis part of this pedestal, and this permanent magnet is incorporated into the inboard perisporium of this wheel hub, and this permanent magnet has a radial thickness; Wherein the ratio of the radial thickness of the maximum outside diameter of this silicon steel sheet group and this permanent magnet is 18～40.
The beneficial effects of the utility model are, the utility model motor is defined as 18～40 by the ratio of the radial thickness of the maximum outside diameter of this silicon steel sheet group and this permanent magnet, reduce bearing power and reduce effects such as power consumption to reach.
Description of drawings
Fig. 1: the assembled sectional view of existing motor.
Fig. 2: the assembled sectional view of the utility model motor.
Fig. 3: the utility model motor applications is in the assembled sectional view of radiator fan.
Fig. 4: the utility model motor is as the assembled sectional view of interior rotatable motor.
The main element symbol description:
1 motor, 11 pedestals, 111 axis parts, 112 connectors
Insulating case on 12 stators, 121 silicon steel sheet groups, 122 coil groups 123
124 times insulating case 13 rotors 131 wheel hubs 132 permanent magnets
133 blades, 2 fan frames, 21 air intake vents, 22 air outlets
3 motors, 9 motors, 91 pedestals, 911 central siphons
923 times insulating cases of insulating case on 92 stators, the 921 silicon steel sheet groups 922
924 coil groups, 93 rotors, 931 wheel hubs, 932 permanent magnets
Embodiment
For above-mentioned and other purpose of the present utility model, feature and advantage can be become apparent, preferred embodiment of the present utility model cited below particularly, and conjunction with figs. are described in detail below:
Please refer to shown in Figure 2ly, the utility model motor 1 comprises a pedestal 11, a stator 12, a rotor 13 at least.This pedestal 11 can supply in conjunction with this stator 12 and this rotor 13; 12 of this stators are in order to drive this rotor 13 rotations.
This pedestal 11 has an axis part 111, this axis part 111 is various for the structural design that articulates this rotor 13, in embodiment as shown in the figure, this axis part 111 is a central siphon, can be for being provided with as members such as bearing, clasp or wear plate (not indicating) in this central siphon.
This stator 12 is in conjunction with this pedestal 11; This stator 12 comprises a silicon steel sheet group 121 and a coil groups 122 at least, preferable insulating case 123 and the insulating case 124 once of comprising in addition on.This silicon steel sheet group 121 can be a silicon steel sheet, and preferable then being piled up mutually by several silicon steel sheets is combined as a whole, and is sheathed on the axis part 111 of this pedestal 11, and wherein this silicon steel sheet group 121 has a maximum outside diameter d; This coil groups 122 is with the surface of at least one this silicon steel sheet group 121 of coil winding.In addition, when this stator 12 includes on this insulating case 123 and this time insulating case 124, should go up the opposite end that insulating case 123 and this time insulating case 124 can be incorporated into this silicon steel sheet group 121 respectively, this coil groups 122 is this silicon steel sheet group 121 of while winding, the predetermined position of insulating case 123 and this time insulating case 124 on this then.
This rotor 13 comprises a wheel hub 131 and a permanent magnet 132.This wheel hub 131 rotatably is incorporated into the axis part 111 of this pedestal 11, and can be the center rotation in this axis part 111; 132 of this permanent magnets are an annular solid that is incorporated into the inboard perisporium of this wheel hub 131, and have a radial air gap G between the silicon steel sheet group 121 of this permanent magnet 132 and this stator 12; In addition, this permanent magnet 132 upwards has a radial thickness t in the footpath of this wheel hub 131.In addition, this permanent magnet 132 is preferably with the made annular solid of ndfeb magnet (Nd-Fe-B Magnet), with the magnetic force of this permanent magnet 132 of effective enhancing.
When the utility model motor 1 used in reality, this stator 12 can produce alternating magnetic field, and by this radial air gap G and the 132 generation effects of this permanent magnet, and then to drive this rotor 13 be that the center is rotated with this axis part 111.
More in detail, the ratio of the radial thickness t of the maximum outside diameter d of the silicon steel sheet group 121 of the utility model motor 1 and this permanent magnet 132 is defined as 18～40; Also be d/t=18～40.For example, as shown in Figures 1 and 2, compare with the utility model motor 1 and existing motor 9, at wheel hub 131,931 external diameters of this two motor 1,9, and the summation of the radial thickness t of the maximum outside diameter d of this silicon steel sheet group 121,921 and this permanent magnet 132,932 is all under the identical condition; If the maximum outside diameter d of the silicon steel sheet group 921 of existing motor 9 is 40mm, the radial thickness t of this permanent magnet 932 is 3.5mm, and then the ratio of the radial thickness t of the maximum outside diameter d of this silicon steel sheet group 921 and this permanent magnet 932 is 11.43; In addition, the utility model motor 1 can be based on the formula of above-mentioned d/t=18～40, make the maximum outside diameter d of the silicon steel sheet group 121 of motor 1 of the present invention increase to 41.25mm, and under proper range, the radial thickness t of this permanent magnet 132 is adjusted into 2.25mm, then the ratio of the radial thickness t of the maximum outside diameter d of this silicon steel sheet group 921 and this permanent magnet 932 is 18.33, to meet the formula of d/t=18～40.
Whereby, utilize above-mentioned architectural feature, can suitably increase the maximum outside diameter d of this silicon steel sheet group 121, and the radial thickness t that guarantees this permanent magnet 132 is unlikely excessive reduction, so that this silicon steel sheet group 121 can be for the thicker coil of more number of turns of winding or winding line footpath, so can further reduce the bearing power of this motor 1, so that effectively reduce power consumption.
For proof the utility model motor has advantages such as can reducing bearing power and reduction power consumption, below disclose the utility model motor 1 and the comparative experiments of existing motor under various different rotating speeds (rpm) situation, its test comparison result is as shown in the table:
The utility model motor 1 can be applicable to cooling fan structure in addition, as blast-type cooling fan or axial-flow type radiator fan.Please refer to shown in Figure 3ly, disclose this motor 1 and be applied to the blast-type cooling fan, this pedestal 11 can directly be designed to a fan frame 2, and this fan frame 2 has an air intake vent 21 and an air outlet 22 (detailed construction of fan frame is to be familiar with this skill person to be appreciated that appearance do not give unnecessary details); In addition, the wheel hub 131 of this rotor 13 can radially extend several blades 133.Whereby, this radiator fan can be installed in various electronic installation or electronic instrument, and when these rotor 13 rotations, this blade 133 can be introduced air-flow from this air intake vent 21, and this air-flow is exported to a thermal source from this air outlet 22, to reach predetermined thermolysis.
The utility model also can be applicable to interior rotatable motor 3 as shown in Figure 4 except that the outward rotation type motor 1 that can be applicable to as shown in Figure 2, wherein in the basic structural feature of rotatable motor 3, be appreciated that for being familiar with this skill person appearance do not give unnecessary details; Both all can reach as aforesaid purpose and effect.
By on learn that the utility model motor 1 really can be defined as 18～40 technical characterictic by the ratio of the radial thickness t of the maximum outside diameter d of this silicon steel sheet group 121 and this permanent magnet 132, reduce bearing power and reduce effects such as power consumption to reach.
Claims (3)
1. motor is characterized in that it comprises:
A pedestal has an axis part;
A stator, in conjunction with this pedestal, this stator comprises a silicon steel sheet group and a coil groups, and this silicon steel sheet group has maximum outside diameter, and this coil groups is provided with at least one coil on the surface of this silicon steel sheet group of winding; And
A rotor comprises a wheel hub and a permanent magnet, and this wheel hub is incorporated into the axis part of this pedestal, and this permanent magnet is incorporated into the inboard perisporium of this wheel hub, and this permanent magnet has radial thickness;
Wherein, the ratio of the radial thickness of the maximum outside diameter of this silicon steel sheet group and this permanent magnet is 18～40.
2. according to the described motor of claim 1, it is characterized in that this permanent magnet is with the made annular solid of ndfeb magnet.
3. according to claim 1 or 2 described motors, it is characterized in that this pedestal is a fan frame, this fan frame has an air intake vent and an air outlet, and the wheel hub of this rotor radially extends several blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202178357U CN201601538U (en) | 2009-09-30 | 2009-09-30 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202178357U CN201601538U (en) | 2009-09-30 | 2009-09-30 | Motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201601538U true CN201601538U (en) | 2010-10-06 |
Family
ID=42812598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202178357U Expired - Fee Related CN201601538U (en) | 2009-09-30 | 2009-09-30 | Motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201601538U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102487232A (en) * | 2010-12-01 | 2012-06-06 | 建准电机工业股份有限公司 | Motor stator and manufacturing method thereof |
| CN108832785A (en) * | 2018-06-22 | 2018-11-16 | 哈尔滨理工大学 | Sealing and circulating multichannel adverse current cooling bimorph transducer and cartridge type p-m rotor accelerator |
-
2009
- 2009-09-30 CN CN2009202178357U patent/CN201601538U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102487232A (en) * | 2010-12-01 | 2012-06-06 | 建准电机工业股份有限公司 | Motor stator and manufacturing method thereof |
| TWI423562B (en) * | 2010-12-01 | 2014-01-11 | Sunonwealth Electr Mach Ind Co | Motor stator and the manufacturing method thereof |
| CN103545945A (en) * | 2010-12-01 | 2014-01-29 | 建准电机工业股份有限公司 | Motor stator |
| US8643232B2 (en) | 2010-12-01 | 2014-02-04 | Sunonwealth Electric Machine Industry Co., Ltd. | Stator manufacturing method for a motor and a stator manufactured using the same |
| CN102487232B (en) * | 2010-12-01 | 2014-04-16 | 建准电机工业股份有限公司 | Motor stator and manufacturing method thereof |
| CN103545945B (en) * | 2010-12-01 | 2016-04-13 | 建准电机工业股份有限公司 | Motor stator |
| CN108832785A (en) * | 2018-06-22 | 2018-11-16 | 哈尔滨理工大学 | Sealing and circulating multichannel adverse current cooling bimorph transducer and cartridge type p-m rotor accelerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101006 Termination date: 20120930 |