CN104767295A - Glue sealing stator - Google Patents

Glue sealing stator Download PDF

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Publication number
CN104767295A
CN104767295A CN201410022982.4A CN201410022982A CN104767295A CN 104767295 A CN104767295 A CN 104767295A CN 201410022982 A CN201410022982 A CN 201410022982A CN 104767295 A CN104767295 A CN 104767295A
Authority
CN
China
Prior art keywords
circuit board
stator
hole
sealing
glue
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.)
Granted
Application number
CN201410022982.4A
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Chinese (zh)
Other versions
CN104767295B (en
Inventor
谢坤利
杨净越
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sunonwealth Electric Machine Industry Co Ltd
Original Assignee
Sunonwealth Electric Machine Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sunonwealth Electric Machine Industry Co Ltd filed Critical Sunonwealth Electric Machine Industry Co Ltd
Publication of CN104767295A publication Critical patent/CN104767295A/en
Application granted granted Critical
Publication of CN104767295B publication Critical patent/CN104767295B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A stator with a sealing compound comprises a stator set, a circuit board and a sealing compound. The stator group comprises an iron core and a coil, and the coil is wound and combined on the iron core; the circuit board is electrically connected with the coil and is provided with a glue injection hole and a vent hole; the sealing compound coats the stator set and the circuit board; the glue injection hole of the circuit board is used for shortening a flow path of the glue injection molding of the glue in a mold.

Description

Sealing glue stator
Technical field
The present invention about a kind of sealing glue stator, especially a kind of utilize sealing one coated stator structure.
Background technology
Please refer to shown in Fig. 1, existing sealing glue stator 9 has a pole piece group 91, this pole piece group 91 is arranged with a coil groups 92, this coil groups 92 is electrically connected the circuit board 93 that has air vent hole 931, and with this pole piece group 91 of sealant covers, coil groups 92 and circuit boards 93 such as epoxy resin 94, to form the stator structure of closed integral, this existing sealing glue stator 9 is made to have waterproof moisture-proof effect.Wherein be similar to the embodiment of described sealing glue stator 9, be exposed in China's No. 201010503545.6 " fan motor " patent of invention.
Again, please refer to shown in Fig. 2, above-mentioned existing sealing glue stator 9 is in the processing procedure of coated epoxy resin 94, prepare the mould 95 that has geat 951, the pole piece group 91 of having assembled, coil groups 92 and circuit board 93 upside-down mounting are arranged at this mould 95 inner, wherein this circuit board 93 is towards this geat 951 again; Now, epoxy resin 94 can be injected into this mould 95 by this geat 951 inner, and utilize the air vent hole 931 of this circuit board 93, make the air in this mould 95 smooth and easy and easily to drain into this mould 95 outside by this air vent hole 931, make this epoxy resin 94 can little by little one this pole piece group 91 coated, coil groups 92 and circuit board 93, after this epoxy resin 94 is cured as sealing, the demoulding can mold required sealing glue stator 9 to make.
Though the circuit board 93 of above-mentioned existing sealing glue stator 9 is provided with can with the air vent hole 931 for air circulation, but, shown in Fig. 2, when epoxy resin 94 is injected into this mould 95 by this geat 951, this epoxy resin 94 can flow along the surface of this circuit board 93 towards the outer peripheral edges direction of this circuit board 93, again by circuitous flow between the outer peripheral edges of this circuit board 93 and the madial wall of this mould 95 to the position of this pole piece group 91 and coil groups 92, therefore, be limited to the structure of available circuit plate 93, the flow path of this epoxy resin 94 is also necessary for circuitous flow mode, cause the flow path of this epoxy resin 94 in this mould 95 inside long, the processing time of this sealing glue stator 9 is easily caused to increase, and also may cause shaping after the sealing of this sealing glue stator 9 easily produce bubble, generally speaking, it is not good that existing sealing glue stator 9 has manufacture convenience, the problems such as manufacturing cost increases and quality bills of materials is not good derive, still have the necessity improved.
Summary of the invention
Main purpose of the present invention is the sealing that solves above-mentioned existing sealing glue stator in the long problem of mould inside flow path, effectively can shorten sealing in the sealing glue stator structure of mould inside flow path in order to provide a kind of.
For reaching aforementioned invention object, sealing glue stator of the present invention comprises stator group, a circuit board and a sealing.This stator pack comprises an iron core and a coil, and this coil winding is incorporated into this iron core; This circuit board is electrically connected this coil, and this circuit board is provided with hole for injecting glue and air vent hole; This stator pack of this sealant covers and this circuit board; Flow path when wherein the hole for injecting glue of this circuit board is in order to shorten this sealing injecting glue is shaping in a mould.
The iron core of described stator pack is provided with several polar arm, and one end of this several polar arm is respectively equipped with a magnetic-conductance portion, and this coil winding is incorporated into several polar arms of this iron core.
Described in the radial extension that several magnetic-conductance portion institutes corral of this stator pack goes out, this is wound with the space reserved between several polar arms of coil and forms a magnetic pole gap, and the hole for injecting glue of this circuit board is in the axial direction to being positioned at this magnetic pole gap.
All have one first gap between the magnetic-conductance portion of described wantonly two adjacent polar arms, all have one second gap between wantonly two adjacent polar arms being wound with coil, this second gap and this first gap form this magnetic pole gap jointly.Wherein this hole for injecting glue in the axial direction can to the first gap between the magnetic-conductance portion of wantonly two adjacent polar arms; Or this hole for injecting glue in the axial direction can to the second gap between the adjacent polar arm that wantonly two are wound with coil.
The diameter of described hole for injecting glue is greater than the diameter of this air vent hole; Wherein this hole for injecting glue is preferably 2:1 with the diameter ratio of this air vent hole.
Described in the radial direction of this circuit board, be defined by a datum level at this circuit board center, this circuit board area is divided into Two Areas by this datum level, and this hole for injecting glue and air vent hole are arranged at this Two Areas respectively; Wherein another definition be positioned at this circuit board a side surface and by the datum line at this circuit board center, this hole for injecting glue and air vent hole is better is located on this datum line.
Described stator pack separately comprises a central siphon, and this iron core is separately provided with a loop portions, and one end of this several polar arm is provided with this magnetic-conductance portion, and the other end is connected to the periphery wall of this loop portions respectively, and the loop portions of this iron core is incorporated into the periphery wall of this central siphon.
Described circuit board is arranged at one end of this stator pack, and this circuit board center arranges an axis hole, and this circuit board is with the sheathed periphery wall being incorporated into this central siphon of this axis hole.
Described stator pack separately comprises an insulating part, and this insulating part covers the surface being incorporated into this iron core, and this coil is incorporated into several polar arms of this iron core by this insulating part winding; Wherein this insulating part can by insulating case on one and once insulating case formed.
Described sealing can this stator pack partly or entirely coated and this circuit board
Above-mentioned sealing glue stator of the present invention, because this circuit board is provided with hole for injecting glue, so that when manufacturing this sealing glue stator shaping, this sealing directly can flow to the position of this stator pack by this hole for injecting glue, effectively to shorten the flow path of this epoxy resin, and then reach many effects such as promoting manufacture convenience, reduction manufacturing cost and lifting quality bills of materials.
Accompanying drawing explanation
Fig. 1 is the schematic appearance of existing sealing glue stator.
Fig. 2 is the assembled sectional view that existing sealing glue stator is arranged at when mould carries out injecting glue.
Fig. 3 is the three-dimensional exploded view of sealing glue stator of the present invention.
Fig. 4 is the assembled sectional view of sealing glue stator of the present invention.
Fig. 5 is the schematic top plan view of the stator pack of sealing glue stator of the present invention.
Fig. 6 is the schematic top plan view that the circuit board of sealing glue stator of the present invention is relative with stator pack.
Fig. 7 be sealing glue stator of the present invention be arranged at mould carry out injecting glue before assembled sectional view.
Fig. 8 is the assembled sectional view that sealing glue stator of the present invention is arranged at when mould carries out injecting glue.
[symbol description]
(the present invention)
1 stator pack 11 iron core 111 polar arm
112 magnetic-conductance portion 113 loop portions 12 coils
Insulating case 132 times insulating cases on 13 insulating parts 131
14 central siphon 2 circuit board 21 axis holes
22 hole for injecting glue 23 air vent hole 3 sealings
4 mould 41 geat D magnetic pole gaps
L datum line S datum level P radial extension
D1 first gap d 2 second gap
(existing)
9 sealing glue stator 91 pole piece group 92 coil groups
93 circuit board 931 air vent hole 94 epoxy resin
95 mould 951 geats.
Embodiment
For above-mentioned and other object, feature and advantage of the present invention can be become apparent, preferred embodiment of the present invention cited below particularly, and coordinate accompanying drawing, be described in detail below:
Please refer to shown in Fig. 3 and 4, sealing glue stator of the present invention at least comprises stator group 1, circuit board 2 and a sealing 3.This circuit board 2 is arranged at one end of this stator pack 1; This sealing 3 this stator pack 1 coated and this circuit board 2.
Said stator group 1 at least comprises iron core 11 and a coil 12.Please coordinate with reference to shown in Fig. 5, this iron core 11 is provided with several polar arm 111, this several polar arm 111 has distance and ordered state radially each other, one end of this several polar arm 111 is respectively equipped with a magnetic-conductance portion 112, all has one first gap d 1 between the magnetic-conductance portion 112 of wherein wantonly two adjacent polar arms 111; Again, this iron core 11 can be the magnetic conductive part of various kenel, such as: several silicon steel sheet can be selected mutually stacking to form a magnetic conductive part, or also can directly utilize single magnetic conduction blocks as this magnetic conductive part etc.; This coil 12 can select enamelled wire, this coil 12 winding is incorporated into several polar arms 111 of this iron core 11, wherein all have one second gap d 2 between wantonly two adjacent polar arms 111 being wound with coil 12, this second gap d 2 and this first gap d 1 form a magnetic pole gap D jointly; In other words, as shown in Fig. 3 and 5, the magnetic pole gap D that the present invention defines, refers in the radial extension P that goes out at several magnetic-conductance portion 112 corrals of this stator pack 1, between these several polar arms 111 being wound with coil 12 the space reserved.
Said stator group 1 separately can comprise an insulating part 13, this insulating part 13 can be the component that insulating barrier or insulating case etc. can cover the surface being incorporated into this iron core 11, this coil 12 is incorporated into several polar arms 111 of this iron core 11 by this insulating part 13 winding, make between this iron core 11 and this coil 12, to utilize this insulating part 13 to provide preferably insulation effect, in the present embodiment, this insulating part 13 by insulating case 131 on one and once insulating case 132 formed; Again, stator pack 1 also separately can comprise a central siphon 14, this iron core 11 is separately provided with a loop portions 113(as shown in Figure 3), one end of this several polar arm 111 is provided with this magnetic-conductance portion 112, the other end is connected to the periphery wall of this loop portions 113 respectively, the loop portions 113 of this iron core 11 is incorporated into the periphery wall of this central siphon 14, makes sealing glue stator of the present invention that this central siphon 14 can be coordinated to be easily installed in motor configuration.
Foregoing circuit plate 2 is arranged at one end of this stator pack 1 and is electrically connected this coil 12, and this circuit board 2 center can arrange an axis hole 21, makes this circuit board 2 also sheathedly can be incorporated into the periphery wall of this central siphon 14.Please coordinate with reference to shown in Fig. 6, this circuit board 2 is separately provided with hole for injecting glue 22 and air vent hole 23, the magnitude setting of this hole for injecting glue 22 and air vent hole 23 can be one or more according to actual demand, and the magnitude setting that the present embodiment discloses this hole for injecting glue 22 and air vent hole 23 is respectively one, wherein in the radial direction of this circuit board 2, (refer to the direction perpendicular to the axis of this central siphon 14 on accompanying drawing), be defined by a datum level S at this circuit board 2 center, this circuit board 2 can be divided into two regions by this datum level S, this hole for injecting glue 22 and air vent hole 23 are arranged at this Two Areas respectively, another definition be positioned at this circuit board 2 a side surface and by the datum line L at its center, this hole for injecting glue 22 and air vent hole 23 can be positioned on same datum line L, make this hole for injecting glue 22 and air vent hole 23 that state is set in subtend, whereby, this air vent hole 23 can relatively away from this hole for injecting glue 22, to provide preferably ventilatory effect, wherein preferably, make datum line L perpendicular to this datum level S.
Shown in Fig. 6, the hole for injecting glue 22 of foregoing circuit plate 2 (refers on graphic, the direction of the axis of this central siphon 14) to the magnetic pole gap D being positioned at said stator group 1 in the axial direction; Wherein this hole for injecting glue 22 in the axial direction can to the first gap d 1 between the magnetic-conductance portion 112 of wantonly two adjacent polar arms 111, or, this hole for injecting glue 22 in the axial direction can to the second gap d 2 between the adjacent polar arm 111 that wantonly two are wound with coil 12, whereby, for above-mentioned sealing 3 when carrying out injecting glue processing procedure, can directly pass into this magnetic pole gap D by this hole for injecting glue 22, with significantly shorten this sealing 3 injecting glue shaping time flow path (in detail ginseng follow-up explanation); Again, because this hole for injecting glue 22 carries out encapsulating with for this sealing 3, this air vent hole 23 is in order to supply to get rid of the air in mould, therefore, the diameter of this hole for injecting glue 22 can be greater than the diameter of this air vent hole 23, and this hole for injecting glue 22 is preferably 2:1(such as with the diameter ratio of this air vent hole 23: the diameter of this hole for injecting glue 22 is 4mm, the diameter of this air vent hole 23 is 2mm), so as to when this hole for injecting glue 22 carries out encapsulating for this sealing 3, this sealing 3 is made to have comparatively suitable flow velocity, to promote encapsulating quality.
Above-mentioned sealing 3 this stator pack 1 coated and this circuit board 2, wherein according to actual waterproof and dampproof demand, this sealing 3 selectable portion coated or all this stator pack 1 coated and this circuit board 2, when select all this stator pack 1 coated and this circuit board 2 time, more perfect waterproof moisture-proof effect can be provided; Again, this sealing 3 can be as epoxy resin or polyurethane material (PU) etc. have the material of waterproof moisture-proof effect, to promote the structural strength of sealing glue stator of the present invention.
Sealing glue stator of the present invention is in time manufacturing use, please refer to shown in Fig. 7, prepare the mould 4 that has geat 41, again the stator pack 1 of having assembled in advance and circuit board 2 upside-down mounting are arranged at this mould 4 inner, wherein a wherein surface of this circuit board 2 is towards this geat 41, and the hole for injecting glue 22 of this circuit board 2 is relative with this geat 41, please refer to shown in Fig. 8, again epoxy resin is injected into this mould 4 by this geat 41 inner, this epoxy resin directly can flow to the position of this stator pack 1 by the hole for injecting glue 22 of this circuit board 2, coordinate this air vent hole 23 that subtend is arranged, make the air in this mould 4 also smooth and easy by this air vent hole 23 and easily drain into this mould 4 outside, make this epoxy resin can in the inner smooth flow of this mould 4, finally, when this epoxy resin one this stator pack 1 coated and circuit board 2 and after cooling curing, this sealing 3 can be formed, to make the sealing glue stator of the present invention molded as shown in Figure 4.
By the invention described above sealing glue stator, because this circuit board 2 is provided with hole for injecting glue 22, make this epoxy resin except flowing to except the position of this stator pack 1 by the outer peripheral edges of this circuit board 2 and the madial wall of this mould 4, the position of this stator pack 1 more directly can be flowed to by this hole for injecting glue 22, effectively to shorten the flow path of this epoxy resin, and then reduce the processing time of sealing glue stator of the present invention, and avoid shaping after sealing glue stator produce bubble, manufacture convenience to reach to promote, reduce manufacturing cost and promote many effects such as quality bills of materials.
Although the present invention has utilized above-mentioned preferred embodiment to disclose; so itself and be not used to limit the present invention; anyly have the knack of this those skilled in the art and do not departing within the spirit and scope of the present invention, relative above-described embodiment carries out various change and amendment and still belongs to the technology category that the present invention protects.

Claims (16)

1. a sealing glue stator, is characterized in that, comprises:
A stator pack, comprise an iron core and a coil, this coil winding is incorporated into this iron core;
A circuit board, is electrically connected this coil, and this circuit board is provided with hole for injecting glue and air vent hole; And
A sealing, this stator pack coated and this circuit board;
Flow path when wherein the hole for injecting glue of this circuit board is in order to shorten this sealing injecting glue is shaping in a mould.
2. sealing glue stator as claimed in claim 1, it is characterized in that, the iron core of this stator pack is provided with several polar arm, and one end of this several polar arm is respectively equipped with a magnetic-conductance portion, and this coil winding is incorporated into several polar arms of this iron core.
3. sealing glue stator as claimed in claim 2, it is characterized in that, in the radial extension that several magnetic-conductance portion institutes corral of this stator pack goes out, this is wound with the space reserved between several polar arms of coil and forms a magnetic pole gap, and the hole for injecting glue of this circuit board is in the axial direction to being positioned at this magnetic pole gap.
4. sealing glue stator as claimed in claim 3, it is characterized in that, all have first gap between the magnetic-conductance portion of wantonly two adjacent polar arms, all have second gap between wantonly two adjacent polar arms being wound with coil, this second gap and this first gap form this magnetic pole gap jointly.
5. sealing glue stator as claimed in claim 4, it is characterized in that, this hole for injecting glue is in the axial direction to the first gap between the magnetic-conductance portion of wantonly two adjacent polar arms.
6. sealing glue stator as claimed in claim 4, it is characterized in that, this hole for injecting glue is in the axial direction to the second gap between the adjacent polar arm that wantonly two are wound with coil.
7. the sealing glue stator as described in claim 1,2,3,4,5 or 6, is characterized in that, the diameter of this hole for injecting glue is greater than the diameter of this air vent hole.
8. sealing glue stator as claimed in claim 7, is characterized in that, this hole for injecting glue is 2:1 with the diameter ratio of this air vent hole.
9. the sealing glue stator as described in claim 1,2,3,4,5 or 6, it is characterized in that, in the radial direction of this circuit board, be defined by a datum level at this circuit board center, this circuit board area is divided into two regions by this datum level, and this hole for injecting glue and air vent hole are arranged at this two regions respectively.
10. sealing glue stator as claimed in claim 9, is characterized in that, in the radial direction of this circuit board, definition is positioned at a side surface of this circuit board and by the datum line at this circuit board center, this hole for injecting glue and air vent hole are located on this datum line.
11. sealing glue stators as described in claim 2,3,4,5 or 6, it is characterized in that, this stator pack separately comprises a central siphon, this iron core is separately provided with a loop portions, one end of this several polar arm is provided with this magnetic-conductance portion, the other end is connected to the periphery wall of this loop portions respectively, and the loop portions of this iron core is incorporated into the periphery wall of this central siphon.
12. sealing glue stators as claimed in claim 11, it is characterized in that, this circuit board is arranged at one end of this stator pack, and this circuit board center arranges an axis hole, and this circuit board is with the sheathed periphery wall being incorporated into this central siphon of this axis hole.
13. sealing glue stators as described in claim 2,3,4,5 or 6, it is characterized in that, this stator pack separately comprises an insulating part, and this insulating part covers the surface being incorporated into this iron core, and this coil is incorporated into several polar arms of this iron core by this insulating part winding.
14. sealing glue stators as claimed in claim 13, is characterized in that, this insulating part is made up of a upper insulating case and a lower insulating case.
15. sealing glue stators as described in claim 1,2,3,4,5 or 6, is characterized in that, this sealing part this stator pack coated and this circuit board.
16. sealing glue stators as described in claim 1,2,3,4,5 or 6, it is characterized in that, this sealing is this stator pack coated and this circuit board all.
CN201410022982.4A 2014-01-08 2014-01-17 Glue sealing stator Active CN104767295B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW103100682A TWI517523B (en) 2014-01-08 2014-01-08 Encapsulated stator
TW103100682 2014-01-08

Publications (2)

Publication Number Publication Date
CN104767295A true CN104767295A (en) 2015-07-08
CN104767295B CN104767295B (en) 2018-01-02

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CN201420031047.XU Expired - Lifetime CN203774888U (en) 2014-01-08 2014-01-17 Glue sealing stator
CN201410022982.4A Active CN104767295B (en) 2014-01-08 2014-01-17 Glue sealing stator

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Application Number Title Priority Date Filing Date
CN201420031047.XU Expired - Lifetime CN203774888U (en) 2014-01-08 2014-01-17 Glue sealing stator

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TW (1) TWI517523B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108321948A (en) * 2018-04-11 2018-07-24 珠海格力节能环保制冷技术研究中心有限公司 Stator structure and motor with it
CN108462350A (en) * 2017-02-20 2018-08-28 株式会社牧田 Electric tool
CN115967215A (en) * 2022-12-30 2023-04-14 深圳市镭神智能系统有限公司 Stator shell, vibrating mirror motor and stator assembling method

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI517523B (en) * 2014-01-08 2016-01-11 建準電機工業股份有限公司 Encapsulated stator
CN109590177B (en) * 2018-11-19 2020-09-18 北京航天控制仪器研究所 Pressing cavity-forming type glue filling device and glue filling method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102187548A (en) * 2008-10-31 2011-09-14 松下电器产业株式会社 Molded motor
CN202221928U (en) * 2011-07-21 2012-05-16 建准电机工业股份有限公司 Glue sealing stator
JP2013243902A (en) * 2012-04-24 2013-12-05 Panasonic Corp Motor
CN203774888U (en) * 2014-01-08 2014-08-13 建准电机工业股份有限公司 Glue sealing stator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102187548A (en) * 2008-10-31 2011-09-14 松下电器产业株式会社 Molded motor
CN202221928U (en) * 2011-07-21 2012-05-16 建准电机工业股份有限公司 Glue sealing stator
JP2013243902A (en) * 2012-04-24 2013-12-05 Panasonic Corp Motor
CN203774888U (en) * 2014-01-08 2014-08-13 建准电机工业股份有限公司 Glue sealing stator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108462350A (en) * 2017-02-20 2018-08-28 株式会社牧田 Electric tool
CN108321948A (en) * 2018-04-11 2018-07-24 珠海格力节能环保制冷技术研究中心有限公司 Stator structure and motor with it
CN115967215A (en) * 2022-12-30 2023-04-14 深圳市镭神智能系统有限公司 Stator shell, vibrating mirror motor and stator assembling method

Also Published As

Publication number Publication date
CN203774888U (en) 2014-08-13
TW201528656A (en) 2015-07-16
TWI517523B (en) 2016-01-11
CN104767295B (en) 2018-01-02

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