CN203114668U - Miniature cooling fan and its coil substrate - Google Patents
Miniature cooling fan and its coil substrate Download PDFInfo
- Publication number
- CN203114668U CN203114668U CN 201320005697 CN201320005697U CN203114668U CN 203114668 U CN203114668 U CN 203114668U CN 201320005697 CN201320005697 CN 201320005697 CN 201320005697 U CN201320005697 U CN 201320005697U CN 203114668 U CN203114668 U CN 203114668U
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- coil
- induction
- fan
- driving component
- coil substrate
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Abstract
一种可避免其旋转时产生干涉且更降低整体轴向高度的微型散热风扇及其线圈基板，该微型散热风扇包含：一扇框座，设有一入风口及一出风口，且该扇框座内部具有一承载部，该承载部上设有一轴接部；一线圈基板，设于该承载部，该线圈基板具有一基板部、一线圈组及一感应驱动元件，该线圈组是以印刷或电铸的布线方式与该基板部整合为一体，且该基板部形成有相对的一表面及一底面，该感应驱动元件设于该底面；及一扇轮，以一中心轴可旋转地设于该轴接部。
A miniature cooling fan and its coil substrate which can avoid interference during rotation and reduce the overall axial height, the miniature cooling fan comprising: a fan frame seat provided with an air inlet and an air outlet, and the fan frame seat has a bearing portion inside, and the bearing portion is provided with an axial connection portion; a coil substrate provided on the bearing portion, the coil substrate having a substrate portion, a coil group and an inductive driving element, the coil group is integrated with the substrate portion by a printed or electroformed wiring method, and the substrate portion is formed with a relative surface and a bottom surface, and the inductive driving element is provided on the bottom surface; and a fan wheel rotatably provided on the axial connection portion with a central axis.
Description
Technical field
The utility model is about a kind of miniature radiation fan and coil substrate thereof, particularly avoids its when rotation to produce miniature radiation fan and the coil substrate thereof of interfering and more reducing whole axial height about a kind of.
Background technique
The traditional heat-dissipating fan is as shown in Figure 1, and this radiation fan 9 includes fan frame 91, stator group 92 and an impeller 93; This fan frame 91 has a base plate 911 and an axle bed 912, and this axle bed 912 is arranged on this base plate 911; This stator pack 92 is socketed on this axle bed 912 outer circumferential faces, and this stator pack 92 is made of a stator iron core 921, a coil groups 922 and a circuit board 923, this coil groups 922 is wound in outside this stator core 921,923 of this circuit boards and combine with this axle bed 912 between this coil groups 922 and this base plate 911; This impeller 93 is arranged at this axle bed 912 rotationally.
Wherein, because the stator pack 92 of this radiation fan 9 is by stator core 921, coil groups 922 and 923 structures that form jointly of circuit board, so that the axial height of these radiation fan 9 integral body also can't be done effective reduction, can be tending towards microminiaturized possibility and limit this radiation fan 9 relatively, so these traditional radiation fan 9 real difficulties are installed among microminiature electronic equipment or the instrument.
Based on this, in order to simplify the complicated design of stator pack, micro motor 8 is as shown in Figure 2 arranged then, this micro motor 8 has a coil stator 81, this coil stator 81 is incorporated into a substrate 82, and this coil stator 81 has a circuit board 811, a coil groups 812 and one drive circuit element 813, and this coil groups 812 is to connect up and be formed at this circuit board 811, and 813 of this components of drive circuit are located at this circuit board 811 surfaces; This micro motor 8 also has a rotor 83, these rotor 83 rotating axle beds 821 of being located at this substrate 82, and should coil groups 812 with its 831 pairs of permanent magnet that are provided with.
Yet, though aforesaid coil stator 81 directly is integrated in this circuit board 811 with wire laying mode with this coil groups 812, and simplified the complicated design of traditional stator group; But the surface of this circuit board 811 still is provided with this components of drive circuit 813, so when this coil stator 81 is used in miniature radiation fan, the whole axial height of this miniature radiation fan but still can be subject to these components of drive circuit 813 height that have own and can't further reduce again, only can be subject under a certain specific axial height eventually, its effect is not remarkable.
Moreover, this components of drive circuit 813 that is positioned at these circuit board 811 surfaces also produces in these rotor 83 rotation processes easily interferes, and make this rotor 83 touch this components of drive circuit 813 accidentally, and cause this components of drive circuit 813 to be subjected to external force to collide and damage for a long time; And, more can may be located at outside the wheel hub coating scope because of this components of drive circuit 813, and cause the blade of wheel hub periphery to be subjected to the interference of this components of drive circuit 813 and can't smooth and easyly turn round, therefore cause miniature radiation fan to decommission and even damage.
In view of this, be necessary to develop a kind of aforesaid miniature radiation fan and coil substrate thereof of being different from really, to solve aforesaid variety of issue.
The model utility content
The utility model main purpose is to improve the problems referred to above, and so that a kind of miniature radiation fan and coil substrate thereof to be provided, it can reduce whole axial height, and avoids it to produce interference phenomenon person in operation process.
For reaching aforementioned creation purpose, miniature radiation fan of the present utility model comprises: a base of fan frame, be provided with a wind inlet and an exhaust outlet, and this base of fan frame inside has a bearing part, and this bearing part is provided with an axis part; One coil substrate, be located at this bearing part, this coil substrate has a baseplate part, a coil groups and an induction-driving component, this coil groups is to print or wire laying mode and this baseplate part of electroforming integrate, and this baseplate part is formed with relative surface and a bottom surface, and this induction-driving component is located at this bottom surface; And an impeller, rotatably be located at this axis part with a central shaft.
Wherein, this induction-driving component is located between this bottom surface and this bearing part.
Wherein, this bearing part is provided with a containing groove, and this containing groove is positioned at this outside, axis part, and this induction-driving component is placed in this containing groove.
Wherein, this containing groove is a counterbore; Or this containing groove is a through hole.
Wherein, this bearing part protrudes towards this base of fan frame is inner, and is formed with a bed hedgehopping space in this bearing part dorsal part, and this induction-driving component stretches into this containing groove that forms through hole, and part convexedly stretches in this bed hedgehopping space.
Wherein, this coil substrate is provided with several electronic components in addition, and this counts this bottom surface that electronic component is arranged at this baseplate part.
Wherein, this impeller has a wheel hub, a permanent magnet and number blade, and this is counted blade and is incorporated into around this wheel hub, and this permanent magnet is then in conjunction with this wheel hub, and relative with this coil groups.
For reaching aforementioned creation purpose, the utility model provides a kind of coil substrate for miniature radiation fan in addition, comprises: a baseplate part is formed with relative surface and a bottom surface; One coil groups is to print or wire laying mode and this baseplate part of electroforming integrate; Reach an induction-driving component, be located at the bottom surface of this baseplate part.
Wherein, this coil substrate is provided with several electronic components in addition, and this counts this bottom surface that electronic component is arranged at this baseplate part.
So, useful technique effect of the present utility model is, the miniature radiation fan of the utility model is this baseplate part bottom surface that this induction-driving component can be placed this coil substrate, not having the induction-driving component that any formation is interfered on this baseplate part surface of guaranteeing this coil substrate whereby, to guarantee this miniature radiation fan smooth and easy in operation process; Even, this induction-driving component can be placed in this containing groove, and reach the effect of the whole axial height of the miniature radiation fan of effective reduction.
Description of drawings
Fig. 1: the cross-sectional view of existing radiation fan.
Fig. 2: the perspective view of existing micro motor.
Fig. 3: the perspective view of the miniature radiation fan of the utility model.
Fig. 4: the cross-sectional view of the miniature radiation fan of the utility model.
Fig. 5: the perspective view of another preferred embodiment of the utility model.
Fig. 6: the cross-sectional view of another preferred embodiment of the utility model.
Fig. 7: the perspective view of the another preferred embodiment of the utility model.
Fig. 8: the cross-sectional view of the another preferred embodiment of the utility model.
[primary component symbol description]
(the utility model)
1 base of fan frame, 11 wind inlets
12 exhaust outlets 13,13 ' bearing part
14 axis parts, 15 pod apertures
151 ribs 16,16 ' containing groove
2 coil substrates, 21 baseplate parts
211 surperficial 212 bottom surfaces
213 Power Ports, 22 coil groups
23 induction-driving component
3 impellers, 31 wheel hubs
311 central shafts, 312 blades
32 permanent magnets
4 cover plates
S bed hedgehopping space
(prior art)
9 radiation fans, 91 fan frames
911 base plates, 912 axle beds
921 stator cores of 92 stator pack
922 coil groups, 923 circuit boards
93 impellers
8 micro motors, 81 coil stators
811 circuit boards, 812 coil groups
813 components of drive circuit, 82 substrates
821 axle beds, 83 rotors
831 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 3, it is the utility model one preferred embodiment, this miniature radiation fan includes a base of fan frame 1, a coil substrate 2 and an impeller 3, this coil substrate 2 is located at this base of fan frame 1 inside, this impeller 3 is rotationally in conjunction with this base of fan frame 1, and be covered on this base of fan frame 1 with a cover plate 4, with this coil substrate 2 and this impeller 3 cover caps in this base of fan frame 1.
This base of fan frame 1 can change its aspect in response to different micro fans, and this base of fan frame 1 is provided with a wind inlet 11 and an exhaust outlet 12 that is communicated with its inside, circulates in wherein for airflow smooth.And this base of fan frame 1 inside is provided with a bearing part 13, and these bearing part 13 usefulness are for placing this coil substrate 2; This bearing part 13 is provided with an axis part 14, the member that this axis part 14 can be pivoted for this impeller 3 of any confession, and the axis part 14 of present embodiment is an axle bed, and preferable this bearing part 13 central positions that are arranged at; The base of fan frame 1 of present embodiment can also select to be provided with several pod apertures 15, and this is counted pod apertures 15 and is surrounded on this bearing part 13 peripheries, circulates for airflow smooth in preferable this base of fan frame 1 bottom surface of running through as shown in the figure; And also be provided with a rib 151 between the wantonly two adjacent pod apertures 15, support these bearing parts 13 to borrow this rib 151.
Below only be the basic aspect of this base of fan frame 1, those skilled in the art can not give unnecessary details also not as limit at this according to the change of routine techniques means.
Especially, this bearing part 13 also is provided with a containing groove 16, and this containing groove 16 is positioned at this 14 outsides, axis part; The containing groove 16 of present embodiment is preferable can be depicted as a counterbore that is opened in this bearing part 13 as drawing.
This coil substrate 2 is located at this bearing part 13, and this coil substrate 2 has a baseplate part 21 and a coil groups 22, and this coil groups 22 is incorporated into this baseplate part 21; And the baseplate part 21 of present embodiment is formed with 211 and one bottom surface 212, a surface, and this surface 211 is relative with this bottom surface 212; And should surface 211 and this bottom surface 212 all can have insulation function.And this baseplate part 21 also is provided with a Power Port 213, and this Power Port 213 is electrically connected with this coil groups 22.
This coil groups 22 can utilize printing (printing) or electroforming wiring (layout) modes such as (electroforming) and this baseplate part 21 to integrate again, so that this coil groups 22 is positioned at the surface 211 of this baseplate part 21.
Hold institute and say that this coil substrate 2 also is provided with an induction-driving component 23, this induction-driving component 23 is located at this bottom surface 212 of this baseplate part 21, and preferable being placed in this containing groove 16, to reduce the axial height of integral heat sink fan; Wherein, this induction-driving component 23 can be hall sensing element and the common induction driving integrated circuit that forms of the moving drive circuit of horse.Based on this concept, several electronic components that 2 of this coil substrates are provided with in addition (figure does not illustrate) also can be arranged at this bottom surface 212 of this baseplate part 21, and select equally to be placed in this containing groove 16, to reach the effect that reduces integral heat sink fan axial height.
This impeller 3 has a wheel hub 31 and a permanent magnet 32, and this wheel hub 31 is provided with a central shaft 311, rotatably being located at this axis part 14 by this central shaft 311, and also is combined with several blades 312 around this wheel hub 31; This permanent magnet 32 is in conjunction with this wheel hub 31 again, and relative with this coil groups 22, and on the axial direction of this impeller 3, is formed with an air gap between this permanent magnet 32 and this coil groups 22.The basic structure of this impeller 3 is for those skilled in the art can understand, and holds and no longer gives unnecessary details it in detail in this.
Assemble as shown in Figure 4 when the utility model and to finish and during actual the use, because this induction-driving component 23 is arranged at the bottom surface 212 of this baseplate part 21 and places in the containing groove 16 of this base of fan frame 1, so unlikely formation between this coil groups 22 and this permanent magnet 32 interfered; That is to say, be arranged at this bottom surface 212 of this baseplate part 21 when this induction-driving component 23, or even when further being placed in this containing groove 16, then can not be provided with any this induction-driving component 23 on this surface 211 of this baseplate part 21, therefore can not only make the smooth and easy running of the miniature radiation fan of the utility model more can effectively reduce its whole axial height.
And, this impeller 3 more can not be subjected to the interference of this induction-driving component 23, and can be at these impeller 3 operation process, several blades 312 of guaranteeing this wheel hub 31 and periphery thereof can not produce collision with this induction-driving component 23, so that these induction-driving component 23 unlikely damages and this impeller 3 more are able to smooth and easy running, reach whereby and keep this miniature radiation fan and have the effect in preferable working life.
Based on above-mentioned same concept, another preferred embodiment of the utility model has this base of fan frame 1, coil substrate 2 and the impeller 3 identical with previous embodiment shown in Fig. 5,6.Difference is: this base of fan frame 1 set containing groove 16 ' is a through hole that is penetration state, and this containing groove 16 ' that forms through hole is that this induction-driving component 23 can complete appearance be gone into, so that the axial height when reducing this coil substrate 2 whereby and amplexiforming this bearing part 13.In addition all the other members are all identical with previous embodiment and describe in detail as above, hold and no longer repeat to give unnecessary details it in this.
What is more, the utility model and for example Fig. 7,8 is shown with a preferred embodiment, and this embodiment has this base of fan frame 1, coil substrate 2 and the impeller 3 identical with previous embodiment equally.Difference is: this base of fan frame 1 set bearing part 13 ' is protruding with a height towards this base of fan frame 1 inside, and this bearing part 13 ' dorsal part is formed with a bed hedgehopping space S; And cooperate this bearing part 13 ', this base of fan frame 1 set containing groove 16 ' also is a through hole as mentioned above.In present embodiment, this induction-driving component 23 stretches into this containing groove 16 ' that forms through hole, and partly convexedly stretches in this bed hedgehopping space S, contacts with other members to avoid this induction-driving component 23, and causes short circuit or wearing and tearing.At this, equally no longer repeat to give unnecessary details all the other members and previous embodiment same section.
Generally speaking, the miniature radiation fan of the utility model is the bottom surface 212 that this induction-driving component 23 can be placed this baseplate part 21 of this coil substrate 2, do not have the induction-driving component 23 that any formation is interfered on the surface 211 with this baseplate part 21 of guaranteeing this coil substrate 2 whereby, to avoid this miniature radiation fan smooth and easy in operation process; Even, this induction-driving component 23 can be placed in this containing groove 16,16 ', and reach the effect of the whole axial height of the miniature radiation fan of effective reduction.
Just above-described, only be preferred embodiment of the present invention, when not limiting the scope of the present invention with this; So, allly change and modify according to the present patent application claim and the simple equivalent done of creation description, all should still belong in the scope that patent of the present invention contains.
Claims (10)
1. a miniature radiation fan is characterized in that, comprises:
A base of fan frame is provided with a wind inlet and an exhaust outlet, and this base of fan frame inside has a bearing part, and this bearing part is provided with an axis part;
A coil substrate, be located at this bearing part, this coil substrate has a baseplate part, a coil groups and an induction-driving component, this coil groups is to print or wire laying mode and this baseplate part of electroforming integrate, and this baseplate part is formed with relative a surface and a bottom surface, and this induction-driving component is located at this bottom surface; And
An impeller rotatably is located at this axis part with a central shaft.
2. miniature radiation fan as claimed in claim 1 is characterized in that, this induction-driving component is located between this bottom surface and this bearing part.
3. miniature radiation fan as claimed in claim 1 is characterized in that, this bearing part is provided with a containing groove, and this containing groove is positioned at this outside, axis part, and this induction-driving component is placed in this containing groove.
4. miniature radiation fan as claimed in claim 3 is characterized in that, this containing groove is a counterbore.
5. miniature radiation fan as claimed in claim 3 is characterized in that, this containing groove is a through hole.
6. miniature radiation fan as claimed in claim 5, it is characterized in that this bearing part protrudes towards this base of fan frame is inner, and is formed with a bed hedgehopping space in this bearing part dorsal part, this induction-driving component stretches into this containing groove that forms through hole, and part convexedly stretches in this bed hedgehopping space.
7. as claim 1,2,3,4,5 or 6 described miniature radiation fans, it is characterized in that this coil substrate is provided with several electronic components in addition, these several electronic components are arranged at this bottom surface of this baseplate part.
8. as claim 1,2,3,4,5 or 6 described miniature radiation fans, it is characterized in that this impeller has a wheel hub, a permanent magnet and several blades, these several blades are incorporated into around this wheel hub, this permanent magnet is then in conjunction with this wheel hub, and relative with this coil groups.
9. a coil substrate that is used for miniature radiation fan is characterized in that, comprises:
A baseplate part is formed with relative a surface and a bottom surface;
A coil groups is to print or wire laying mode and this baseplate part of electroforming integrate; And
An induction-driving component is located at the bottom surface of this baseplate part.
10. the coil substrate for miniature radiation fan as claimed in claim 9 is characterized in that, this coil substrate is provided with several electronic components in addition, and these several electronic components are arranged at this bottom surface of this baseplate part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320005697 CN203114668U (en) | 2013-01-04 | 2013-01-04 | Miniature cooling fan and its coil substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320005697 CN203114668U (en) | 2013-01-04 | 2013-01-04 | Miniature cooling fan and its coil substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203114668U true CN203114668U (en) | 2013-08-07 |
Family
ID=48895018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320005697 Expired - Fee Related CN203114668U (en) | 2013-01-04 | 2013-01-04 | Miniature cooling fan and its coil substrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203114668U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912508A (en) * | 2013-01-04 | 2014-07-09 | 建准电机工业股份有限公司 | Miniature cooling fan and its coil substrate |
| TWI549403B (en) * | 2015-01-28 | 2016-09-11 | 昆山廣興電子有限公司 | Metal base of motor |
| CN109695582A (en) * | 2017-10-24 | 2019-04-30 | 建准电机工业股份有限公司 | Ultrathin fan |
-
2013
- 2013-01-04 CN CN 201320005697 patent/CN203114668U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912508A (en) * | 2013-01-04 | 2014-07-09 | 建准电机工业股份有限公司 | Miniature cooling fan and its coil substrate |
| CN103912508B (en) * | 2013-01-04 | 2018-07-03 | 建准电机工业股份有限公司 | Centrifugal miniature radiating fan |
| TWI549403B (en) * | 2015-01-28 | 2016-09-11 | 昆山廣興電子有限公司 | Metal base of motor |
| CN105990935A (en) * | 2015-01-28 | 2016-10-05 | 昆山广兴电子有限公司 | Motor metal base |
| CN105990935B (en) * | 2015-01-28 | 2018-06-12 | 昆山广兴电子有限公司 | Motor metal base |
| CN109695582A (en) * | 2017-10-24 | 2019-04-30 | 建准电机工业股份有限公司 | Ultrathin fan |
| TWI667411B (en) * | 2017-10-24 | 2019-08-01 | 建準電機工業股份有限公司 | Super thin fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: The new Taiwan China Ya Lu Kaohsiung City No. 30 Lane 296 Patentee after: Jianzhun Electric Motor Industry Co., Ltd. Address before: Are China Taiwan Lingya Kaohsiung No. 120 12 floor 1 Patentee before: Jianzhun Electric Motor Industry Co., Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20200104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |