CN102457120B - Motor and radiating fan formed by motor - Google Patents

Motor and radiating fan formed by motor Download PDF

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Publication number
CN102457120B
CN102457120B CN201010519471.5A CN201010519471A CN102457120B CN 102457120 B CN102457120 B CN 102457120B CN 201010519471 A CN201010519471 A CN 201010519471A CN 102457120 B CN102457120 B CN 102457120B
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CN
China
Prior art keywords
shell block
barriers
coil
motor
insulating
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Active
Application number
CN201010519471.5A
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Chinese (zh)
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CN102457120A (en
Inventor
洪银树
庄宏仁
李欣颖
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Sunonwealth Electric Machine Industry Co Ltd
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Sunonwealth Electric Machine Industry Co Ltd
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Priority to CN201010519471.5A priority Critical patent/CN102457120B/en
Publication of CN102457120A publication Critical patent/CN102457120A/en
Application granted granted Critical
Publication of CN102457120B publication Critical patent/CN102457120B/en
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Abstract

The invention relates to a motor and a radiating fan formed by the motor. The motor comprises a shell base, a rotor, a stator and an isolating piece, wherein the rotor is rotatably combined with the shell base; the stator is used for driving the rotor to rotate and is arranged in the shell base; the stator comprises a claw pole piece, an insulator and a coil; the claw pole piece is combined with the insulator; the coil is wound on the insulator; the coil is electrically connected with a circuit board; and the isolating piece is used for ensuring that the coil of the stator or a lead of the circuit board is not in contact with the shell base, thereby achieving an excellent isolating effect.

Description

The radiator fan of motor and formation thereof
Technical field
The present invention is relevant for a kind of motor, especially a kind ofly can guarantee between metal-back and coil groups, to have the motor of insulation effect and the radiator fan of formation thereof.
Background technology
Please refer to shown in Fig. 1, for TaiWan, China, openly number < < inner rotor motor > > patent of invention No. 201032444, this existing motor 7 roughly comprises a shell block 71, a stator 72 and a rotor 73.This shell block 71 is a hollow housing; This stator 72 is placed in this shell block 71 inside, and this stator 72 is consisted of several silicon steel sheets 721 and a coil 722; Rotating this shell block 71 that is incorporated into of this rotor 73.Whereby, this rotor 73 can be in conjunction with an impeller 74, so that this stator 72 is while driving this rotor 73 rotation start, this impeller 74 can provide a thermolysis.
The shell block 71 of above-mentioned existing motor 7 is made with metal material conventionally, between the coil 722 of reeling due to this stator 72 and this shell block 71 and uninsulated design, therefore, suppose that this coil 722 is wound in the process of this silicon steel sheet 721, the outer enamelled coating that outer peripheral face was coated of this coil 722 comes off and during contacting metal shell block 71, may cause this coil 722 to form short circuit phenomenon, and then affect the running quality of this motor 7.
For this reason, please refer to shown in Fig. 2, for TaiWan, China, openly number < < inner rotor motor > > patent of invention No. 201031087, this existing motor 8 comprises a shell block 81, a stator 82 and a rotor 83 equally.This shell block 81 is a hollow housing; This stator 82 is placed in this shell block 81 inside, and this stator 82 is by insulating case 822 on several silicon steel sheet 821,, once insulating case 823 and a coil 824 are formed; Rotating this shell block 81 that is incorporated into of this rotor 83.
Each silicon steel sheet 821 of above-mentioned existing motor 8 is mutually stacking, insulating case 822 and this 823 two ends that are incorporated into respectively each silicon steel sheet 821 of lower insulating case on this, and coil 824 is wound in to the predetermined position of the silicon steel sheet 821, upper insulating case 822 and the lower insulating case 823 that are combined as a whole; Whereby, suppose that the outer enamelled coating that outer peripheral face was coated of this coil 824 comes off in winding process, on this, insulating case 822 and this lower insulating case 823 can provide this coil 824 predetermined insulation function.
Yet, please coordinate with reference to shown in Fig. 3, disclose the stereo appearance figure of comparatively common existing stator 9 on the market.Generally speaking, the insulating case 91 of existing stator 9 is provided with several connecting portions 92, and in the process of winding operation of carrying out coil 93, respectively this connecting portion 92 can conveniently be interconnected several coil 93 windings; When this existing stator 9 is installed in the metal shell block inside of motor, though the insulating case 91 of this stator 9 can prevent the made shell block of coil sections 93 direct contacting metal material, just for the coil 93 of reeling on this connecting portion 92 respectively, and cannot provide better insulating Design; Moreover the coil 93 of existing stator 9 must be connected to a circuit board conventionally, just this coil 93 extends to the position of this circuit board, or the wire that has of this circuit board itself, still easily contacts with this shell block is improper; Therefore, when the stator 9 with insulating case 91 is installed in the metal shell block of various motor, the coil 93 of respectively reeling on this connecting portion 92, this coil 93 extend to the position of circuit board or wire itself still may improper contacting metal shell block, may cause equally this coil 93 or wire to form short circuit phenomenon, and then affect the running quality of this motor.
Summary of the invention
The main goal of the invention of the present invention is to provide the radiator fan of a kind of motor and formation thereof, can guarantee that the coil of reeling on the connecting portion of stator can not be in contact with one another with shell block, effectively to prevent that coil from forming short circuit phenomenon.
Another object of the present invention, is to provide and a kind ofly guarantees that stator extends to the motor that the coil of a circuit board can not be in contact with one another with shell block.
Another object of the present invention, is to provide the motor that a kind of wire of guaranteeing circuit board can not be in contact with one another with shell block.
The motor according to the present invention, comprises a shell block, a rotor, a stator and a barriers.This rotor is rotatably in conjunction with this shell block; This stator is inner in order to drive this rotor and to be arranged at this shell block, and this stator pack is containing a pawl utmost point part, an insulating part and a coil, this pawl utmost point part is combined with this insulating part, this insulating part is provided with a junction, this coil winding goes out several windings in this insulating part, wherein each winding of this coil interconnects by this connecting portion, and this coil is electrically connected to a circuit board, and this coil winding is one to expose portion in the position of this connecting portion; This barriers is to be arranged between the portion of exposing and this shell block of this coil, and wherein this shell block forms a wide diameter portion, and this wide diameter portion is put exsertion part that should coil, and this barriers is arranged at the interior lateral circle surface of this wide diameter portion.
Under constructed concept, motor of the present invention also can comprise a shell block, a rotor, a stator and a barriers.This rotor is rotatably in conjunction with this shell block; This stator is inner in order to drive this rotor and to be arranged at this shell block, and this stator pack is containing a pawl utmost point part, an insulating part and a coil, and this insulating part is in conjunction with this pawl utmost point part, and this coil winding is in this insulating part, and wherein this coil is electrically connected to a circuit board; This barriers is to be arranged between the position and this shell block that this coil extends to this circuit board, and wherein this shell block forms a wide diameter portion, and this wide diameter portion is to should coil extending to the position of this circuit board, and this barriers is arranged at the interior lateral circle surface of this wide diameter portion.
Based under constructed concept, motor of the present invention more can comprise a shell block, a rotor, a stator and a barriers again.This rotor is rotatably in conjunction with this shell block; This stator is inner in order to drive this rotor and to be arranged at this shell block, and this stator pack is containing a pawl utmost point part, an insulating part and a coil, and this insulating part is in conjunction with this pawl utmost point part, and this coil winding is in this insulating part, wherein this coil is electrically connected to a circuit board, and this circuit board has a wire; This barriers is to be arranged between this wire and this shell block, and wherein this shell block forms a wide diameter portion, and this wide diameter portion is to should lead location, and this barriers is arranged at the interior lateral circle surface of this wide diameter portion.
A radiator fan that comprises said motor, wherein: this shell block is by the external fan frame of several connectors, and the outer peripheral face of this rotor forms several blades, to form this radiator fan.
Beneficial effect of the present invention is: by barriers set between the portion of exposing of this coil and this shell block, motor of the present invention can guarantee that the coil of stator or this wire can not be in contact with one another with this shell block, effectively to prevent that this coil or this wire from forming short circuit phenomenon, and then reach the effect that promotes insulation effect.
Accompanying drawing explanation
Fig. 1: the three-dimensional exploded view of existing the first motor.
Fig. 2: the three-dimensional exploded view of existing the second motor.
Fig. 3: the stereo appearance figure of existing stator.
Fig. 4: the three-dimensional exploded view of the motor of first embodiment of the invention.
Fig. 5: the assembled sectional view of the motor of first embodiment of the invention.
Fig. 6: motor applications of the present invention is in the schematic diagram of radiator fan.
Fig. 7: the three-dimensional exploded view of the motor of second embodiment of the invention.
Fig. 8: the assembled sectional view of the motor of second embodiment of the invention.
Fig. 9: another execution mode assembled sectional view of the motor of second embodiment of the invention.
[primary clustering symbol description]
(the present invention)
1 shell block
11 housing 111 perforation
112 opening 12 closure members
13 bearing 14 wide diameter portions
15 connector 16 fan frames
2 rotors
21 rotating shaft 22 cramp groups
23 wheel hub 231 blades
24 permanent magnets
3 stators
31 pawl utmost point part 32 insulating parts
321 connecting portion 33 coils
331 expose portion's 34 circuit boards
341 wires
4 barriers
41 location intermediate plate 42 clamping grooves
5 barriers
(existing)
7 motors
71 shell block 72 stators
721 silicon steel sheet 722 coils
73 rotor 74 impellers
8 motors
81 shell block 82 stators
Insulating case on 821 silicon steel sheets 822
823 times insulating case 824 coils
83 rotors
9 stators
91 insulating case 92 connecting portions
93 coils
Embodiment
For above-mentioned and other object of the present invention, feature and advantage can be become apparent, preferred embodiment of the present invention cited below particularly, and coordinate appended graphicly, be described in detail below:
Please refer to shown in Fig. 4 and Fig. 5, the motor of first embodiment of the invention comprises a shell block 1, a rotor 2, a stator 3 and a barriers 4.This shell block 1 is a hollow housing; This rotor 2 is rotatably in conjunction with this shell block 1; It is inner and in order to drive this rotor 2 rotation starts that this stator 3 is incorporated into this shell block 1; Barriers 4 is to be arranged between this shell block 1 and this stator 3, so that an insulation function to be provided.
The major function of this shell block 1 is to use for 3 combinations of this stator, and for these rotor 2 pivot joints, therefore, this shell block 1 can be any structural design that can achieve the above object; In the present embodiment, this shell block 1 is comprised of a housing 11 and a closure member 12, and the opposite end of this housing 11 forms respectively a perforation 111 and an opening 112, and this closure member 12 is incorporated into this opening 112; Again, these housing 11 inside separately arrange several bearing 13(also can only arrange a bearing 13), wherein a bearing 13 can be incorporated into a side of this perforation 111, another bearing 13 can be in conjunction with this closure member 12 side surface towards this housing 11.
This rotor 2 has a rotating shaft 21, and this rotating shaft 21 can, via these 111 pivot joints of boring a hole in conjunction with this bearing 13, make this rotor 2 rotatably in conjunction with this shell block 1; One end of this rotor 2 can be extended through the outside of this shell block 1, to coordinate a cramp group 22 in conjunction with a wheel hub 23, and the rotating shaft 21 of this rotor 2 is separately in conjunction with a permanent magnet 24, and this permanent magnet 24 is positioned at the inside of this shell block 1.
This stator 3 comprises a pawl utmost point part 31, an insulating part 32 and a coil 33.This pawl utmost point part 31 can be consisted of the mutual stacking combination of several silicon steel sheets, or also can one-body moldedly be the pawl utmost point part 31 of single block; This insulating part 32 is in conjunction with this pawl utmost point part 31 and be provided with a junction 321, and wherein this insulating part 32 can be any structural design that these pawl utmost point part 31 insulation functions can be provided.For example, this insulating part 32 can be one or several insulating case and forms, and for this coil 33, is wound in this insulating case; Or this insulating part 32 also can be an insulating barrier of coated this pawl utmost point part 31, for this coil 33, be wound in this surface of insulating layer.In addition, 321 of this connecting portions can use for any the structural design connecting for this coil 33, for example: when this insulating part 32 is insulating case, this connecting portion 321 can be the wrapping post conveniently winding the line for this coil 33; Maybe, when this insulating part 32 is insulating barrier, more can omit this connecting portion 321, this coil 33 is electrically connected to a circuit board 34.
In embodiment as shown in Figure 4, this insulating part 32 be by insulating case on one and once insulating case formed, this connecting portion 321 is for being formed at several wrapping posts of this lower insulating case; This coil 33 winds several windings in the predetermined position of this insulating part 32 and is electrically connected this circuit board 34 of this circuit board 34(and also can be arranged at the outside of this shell block 1, and this coil 33 is to be electrically connected this circuit board 34 in external mode), this circuit board 34 can separately be provided with a wire 341, this wire 341 is in order to external power supply, and this coil 33, in coiling process, can utilize the connecting portion 321 of this insulating part 32 that each winding of this coil 33 is connected to location; The position that wherein this coil 33 is wound in the connecting portion 321 of this insulating part 32 is defined as one and exposes portion 331.
Before contrast, take off the various types of stator 3, when this insulating part 32 is insulating case, this barriers 4 can be arranged between the portion of exposing 331 and this shell block 1 of this coil 33; Another when this insulating part 32 is insulating barrier or insulating case, this barriers 4 can be arranged between the position and this shell block 1 that this coil 33 extends to this circuit board 34; Whereby, effectively to prevent that the portion of exposing 331 of this coil 33 or the position that this coil 33 extends to this circuit board 34 from directly contacting this shell block 1.Again, this barriers 4 more can be arranged between this wire 341 and this shell block 1, can effectively prevent equally directly this shell block 1 of contact of this wire 341.
In the present embodiment, this barriers 4 is a ring-type insulating case, so that this ring-type insulating case can be around the interior lateral circle surface in conjunction with being attached at this shell block 1, in order to more fully insulation effect of this coil 33 or this wire 341 to be provided; Moreover, this barriers 4 can separately be provided with several location intermediate plate 41, respectively between this location intermediate plate 41 and the outer peripheral face of this barriers 4, form a clamping groove 42, so that this barriers 4 is during in conjunction with this shell block 1, opening 112 peripheries of these shell block 1 one sides can snap in this clamping groove 42, and utilize this location intermediate plate 41 to grip this shell block 1; Again as shown in Figure 5, the rotating shaft 21 of this rotor 2 axially on, this barriers 4 has an axial height (H), whereby, this exposes position or this wire 341 that portion 331, this coil 33 extend to this circuit board 34 all can be positioned at the scope of this axial height (H), so that better insulation function to be provided.
Again, the better wide diameter portion 14 that forms of the shell block 1 of motor of the present invention, this wide diameter portion 14 can be to the portion of exposing 331 positions that should coil 33; Or this wide diameter portion 14 can be to should coil 33 extending to the position of this circuit board 34; Again or this wide diameter portion 14 can be to should wire 341 positions, and this barriers 4 can be arranged at the interior lateral circle surface of this wide diameter portion 14; Whereby, when this shell block 1 forms this wide diameter portion 14, this coil 33 or this wire 341 will more be difficult for being close to this shell block 1, coordinate the barriers 4 between this shell block 1 and this coil 33, and better insulation function can be provided.
Motor of the present invention is when reality is used, and the alternating magnetic field that this stator 3 produces can drive this rotor 2 rotation starts by this permanent magnet 24; As shown in Figure 6, this shell block 1 more can be by several connector 15(as rib or stator blade) an external fan frame 16, wheel hub 23 outer peripheral faces of this rotor 2 can form several blades 231, to form a radiator fan.Whereby, this radiator fan can be installed in various electronic installation or electronic instrument, to reach predetermined thermolysis.
The technical characteristics of motor of the present invention is: utilize this barriers 4 to be arranged at the structural design between this coil 33 and this shell block 1, this barriers 4 can be guaranteed the not direct made shell block 1 of contacting metal material of the portion of exposing 331 of this coil 33, position that this coil 33 extends to this circuit board 34 or this wire 341, whereby effectively to prevent that this coil 33 from forming short circuit phenomenon, to promote the running quality of this motor.
Please refer to shown in Fig. 7 and Fig. 8, disclose the motor of second embodiment of the invention, this motor comprises a shell block 1, a rotor 2, a stator 3 and a barriers 5 equally.Shell block 1, rotor 2 and stator 3 that wherein the shell block 1 of the present embodiment, rotor 2 and stator 3 disclose with the first embodiment are identical, hold and do not repeat.
The main difference of the motor of the motor of second embodiment of the invention and the first embodiment is only: this barriers 5 can utilize injection molding method one to be coated this shell block 1, and same between the portion of exposing 331 and this shell block 1 of this coil 33, whereby, can relatively simplify the number of assembling steps of motor of the present invention, effectively to promote assembling convenience; In the present embodiment, these barriers 5 one are coated on the wide diameter portion 14 of this shell block 1, to guarantee that this barriers 5 provides predetermined insulation function.
Again, as shown in Figure 9, disclose this shell block 1 and omit this wide diameter portion 14, interior lateral circle surface (can be coated as shown in the figure whole interior lateral circle surface) and the outside circumference of these barriers 5 directly coated these shell blocks 1, and can guarantee that equally this barriers 5 mutually combines with this shell block 1.
As mentioned above, by barriers 4,5 set between the portion of exposing 331 of this coil 33 and this shell block 1, motor of the present invention can guarantee that the coil 33 of stator 3 or this wire 341 can not be in contact with one another with this shell block 1, effectively to prevent that this coil 33 or this wire 341 from forming short circuit phenomenon, and then reach the effect that promotes insulation effect.

Claims (22)

1. a motor, is characterized in that comprising:
A shell block;
A rotor, can be rotatably in conjunction with this shell block;
A stator, inner in order to drive this rotor and to be arranged at this shell block, this stator pack is containing pawl utmost point part, insulating part and coil, this pawl utmost point part is combined with this insulating part, this insulating part is provided with at least one connecting portion, and this coil winding goes out several windings in this insulating part, and wherein each winding of this coil interconnects by this connecting portion, and this coil is electrically connected to a circuit board, this coil winding is one in the position of this connecting portion and exposes portion; And
A barriers, is arranged between the portion of exposing and this shell block of this coil;
Wherein this shell block forms a wide diameter portion, and this wide diameter portion is put exsertion part that should coil, and this barriers is arranged at the interior lateral circle surface of this wide diameter portion.
2. motor according to claim 1, is characterized in that: this barriers is in conjunction with the interior lateral circle surface that is attached at this shell block.
3. motor according to claim 1, is characterized in that: this rotor axially on, this barriers has axial height, this exsertion part is in the scope of this axial height.
4. motor according to claim 1, is characterized in that: this barriers is a ring-type insulating case.
5. motor according to claim 4, is characterized in that: this barriers is separately provided with several location intermediate plate, respectively between this location intermediate plate and the outer peripheral face of this barriers, forms a clamping groove, and a side periphery of this shell block is incorporated into this clamping groove.
6. motor according to claim 1, is characterized in that: this barriers one is coated this shell block.
7. motor according to claim 6, is characterized in that: this barriers one is coated on the wide diameter portion of this shell block.
8. a motor, is characterized in that comprising:
A shell block;
A rotor, can be rotatably in conjunction with this shell block;
A stator, inner in order to drive this rotor and to be arranged at this shell block, this stator pack is containing pawl utmost point part, insulating part and coil, and this insulating part is in conjunction with this pawl utmost point part, and this coil winding is in this insulating part, and wherein this coil is electrically connected to a circuit board; And
A barriers, is arranged between the position and this shell block that this coil extends to this circuit board;
Wherein this shell block forms a wide diameter portion, and this wide diameter portion is to should coil extending to the position of this circuit board, and this barriers is arranged at the interior lateral circle surface of this wide diameter portion.
9. motor according to claim 8, is characterized in that: this barriers is in conjunction with the interior lateral circle surface that is attached at this shell block.
10. motor according to claim 8, is characterized in that: this rotor axially on, this barriers has axial height, the position that this coil extends to this circuit board is positioned at the scope of this axial height.
11. motors according to claim 8, is characterized in that: this barriers is a ring-type insulating case.
12. motors according to claim 11, is characterized in that: this barriers is separately provided with several location intermediate plate, respectively between this location intermediate plate and the outer peripheral face of this barriers, form a clamping groove, and a side periphery of this shell block is incorporated into this clamping groove.
13. motors according to claim 8, is characterized in that: this barriers one is coated this shell block.
14. motors according to claim 13, is characterized in that: this barriers one is coated on the wide diameter portion of this shell block.
15. 1 kinds of motors, is characterized in that comprising:
A shell block;
A rotor, can be rotatably in conjunction with this shell block;
A stator, inner in order to drive this rotor and to be arranged at this shell block, this stator pack is containing pawl utmost point part, insulating part and coil, this pawl utmost point part is combined with this insulating part, this coil winding is in this insulating part, and wherein this coil is electrically connected to a circuit board, and this circuit board has a wire; And
A barriers, is arranged between this wire and this shell block;
Wherein this shell block forms a wide diameter portion, and this wide diameter portion is to should lead location, and this barriers is arranged at the interior lateral circle surface of this wide diameter portion.
16. motors according to claim 15, is characterized in that: this barriers is in conjunction with the interior lateral circle surface that is attached at this shell block.
17. motors according to claim 15, is characterized in that: this rotor axially on, this barriers has axial height, this wire is positioned at the scope of this axial height.
18. motors according to claim 15, is characterized in that: this barriers is a ring-type insulating case.
19. motors according to claim 18, is characterized in that: this barriers is separately provided with several location intermediate plate, respectively between this location intermediate plate and the outer peripheral face of this barriers, form a clamping groove, and a side periphery of this shell block is incorporated into this clamping groove.
20. motors according to claim 15, is characterized in that: this barriers one is coated this shell block.
21. motors according to claim 20, is characterized in that: this barriers one is coated on the wide diameter portion of this shell block.
22. 1 kinds of radiator fans that consist of motor described in claim 1-21 any one, is characterized in that: this motor shell block is by the external fan frame of several connectors, and the outer peripheral face of this rotor forms several blades, to form this radiator fan.
CN201010519471.5A 2010-10-26 2010-10-26 Motor and radiating fan formed by motor Active CN102457120B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010519471.5A CN102457120B (en) 2010-10-26 2010-10-26 Motor and radiating fan formed by motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010519471.5A CN102457120B (en) 2010-10-26 2010-10-26 Motor and radiating fan formed by motor

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CN102457120A CN102457120A (en) 2012-05-16
CN102457120B true CN102457120B (en) 2014-02-26

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014203542A1 (en) * 2014-02-27 2015-08-27 Robert Bosch Gmbh Electric machine with a pole housing
TWI551010B (en) * 2014-10-09 2016-09-21 建準電機工業股份有限公司 Internal rotor motor
CN106329790B (en) * 2015-06-16 2018-12-25 佛山市建准电子有限公司 Motor
CN106685124B (en) 2015-11-06 2019-05-03 中达电子零组件(吴江)有限公司 The stator module and its winding structure of motor
CN111255939A (en) * 2018-11-30 2020-06-09 浙江三花智能控制股份有限公司 Electromagnetic coil
TWI686037B (en) * 2019-01-10 2020-02-21 建準電機工業股份有限公司 motor

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Address after: The new Taiwan China Ya Lu Kaohsiung City No. 30 Lane 296

Patentee after: Jianzhun Electric Motor Industry Co., Ltd.

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Patentee before: Jianzhun Electric Motor Industry Co., Ltd.