CN203161661U - Fan structure with external circuit - Google Patents
Fan structure with external circuit Download PDFInfo
- Publication number
- CN203161661U CN203161661U CN 201320197679 CN201320197679U CN203161661U CN 203161661 U CN203161661 U CN 203161661U CN 201320197679 CN201320197679 CN 201320197679 CN 201320197679 U CN201320197679 U CN 201320197679U CN 203161661 U CN203161661 U CN 203161661U
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- Prior art keywords
- framework
- circuit board
- wall
- stator
- inwall
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Abstract
A fan structure with an external circuit comprises a frame, a stator, a fan wheel and a circuit board. The stator and the fan wheel are arranged in the frame; the circuit board is arranged on the outer side surface of the frame and is contacted with outside air; and the frame is a commonly used fan frame, so the thickness of the frame is not increased, the space for arranging the circuit board is increased and the heat radiation of the circuit board is facilitated.
Description
Technical field
The utility model is a kind of fan structure of externally connected type circuit, especially refers to a kind of fan structure that circuit board is arranged on the outer side surface of framework.
Background technique
Public radiation fan.As TaiWan, China patent announcement number a kind of radiation fan of 1386156 announcements, comprise a fan frame, a bearing arrangement, a stator member and a rotor component, this rotor component correspondence is arranged at the periphery of this stator component, and rotor component and stator component are contained in respectively in the fan frame.The fan frame comprises a bottom and an axle bed.This axle bed is upwards dashed forward from the bottom center of fan frame and is established formation.The axle bed top is an opening end, and its central authorities form a containing space.One ring-shaped depression correspondence is formed at the inner circumference place of axle bed head portion.And be connected with containing space.The axle bed top is in the internal diameter of this ring-shaped depression position internal diameter greater than axle bed inside remaining part.The bottom center of this fan frame caves inward from the bottom surface and forms a columned accepting groove.Containing space in this accepting groove and the axle bed is relative but be not communicated with.Should be sheathed on this axle bed outer rim due to member, and be arranged with a clasp in this rotating shaft, this clasp is fixed in the axle bed top.Stator component comprises that a circuit board and stacks the armature that forms by the multilayer silicon steel plate, armature is outside to twine coiling in order to produce the magnetic field that alternately changes, coiling electrically connects with circuit board, and armature is covered with insulating trip up and down respectively, electrically contacts with between avoiding armature and winding the line.
The above-mentioned known following problem that has: when the driven running of this fan, the driving current running of circuit board, electronic component on the circuit board causes a large amount of heat energy because of the running of driving current at this moment, because circuit board is positioned at following ten thousand of armature, and in the axial direction, the space that forms between this circuit board and this armature is limited, therefore will cause heat energy dissipation bad, and then the working life of reducing each electronic component on this circuit board.Moreover, because the design of motor can add extra control function at present, therefore must set up extra electronic component, in order to effectively integrate the purpose that drives with extra control function, must be with the above-mentioned electronic component of setting up in order to realize controlling function, be integrated into this circuit board in the lump together with original electronic component, yet because the area that is arranged on this circuit board of electronic component is subject to the motor maximum outside diameter, thereby cause this electronic component to have to arrange difficult shortcoming is set.
Because the problems referred to above, after into person is arranged, M337965 discloses a kind of radiation fan as the TaiWan, China patent announcement, it comprises a framework and an impeller.This framework has an inlet air end face, an air-out end face, an inwall, an axial flow passage and a bearing part, and this inlet air end face and this air-out end face lay respectively at two sides that this asks the air-flow path framework; This axial flow passage connects this framework, and this inwall forms this axial flow passage; This impeller is arranged in this framework, and these impeller outer periphery are provided with several flabellums; Wherein this bearing part is formed at least a portion edge of this framework, and this bearing part comprises one first side wall, one second side wall and a bearing space.This first side wall is formed by at least a portion of this inwall; This second side wall and this first lateral wall partitioning setting; And this bearing space is formed between this first side wall and second side wall, in order to carry the one drive circuit plate.Promote the radiating effect of driving circuit board and the axial thickness of increase stator by this, export torque to increase motor, and then improve fan wind dispelling amount.
Have its problem to exist but this is known, the part of framework forms bearing part, causes the thickness of framework to increase, and is difficult for being arranged in the limited device in space, and increases the fan overall weight.
The model utility content
Because the problems referred to above, the utility model main purpose provides a kind of under the condition that does not increase framework thickness, circuit board is arranged at the outside of framework, places the more electronic component except obtaining bigger space, more can help the fan structure of the externally connected type circuit of circuit board heat radiation.
A kind of fan structure of externally connected type circuit is provided for the utility model that achieves the above object, comprise: a framework, have a wind inlet end, an outlet air end, an inwall, an outer wall, one and ask flow channel and a portion, this wind inlet end and outlet air end lay respectively at the both sides of this framework, this inwall defines this axial flow road, this axial flow road connects this framework, and this one is arranged in this axial flow road and links this inwall via a plurality of supporting portions; One stator is arranged in this one; One impeller is arranged in the seat portion of this frame in stopping should stator, and this impeller periphery is provided with several flabellums; One circuit board is arranged on this outer wall, and with this stator of electrically connect.Wherein this circuit board has one and connects side and be flattened on wherein a part of area or the entire area that this rises wall, and an outer side contacts external environment.Moreover be solid body between this inwall and the outer wall.
Particularly, the utility model provides the fan structure of 1 one kinds of externally connected type circuit, comprise: a framework, have a wind inlet end, an outlet air end, an inwall, an outer wall, an axial flow road and a portion, this wind inlet end and outlet air end lay respectively at the both sides of this framework, and this inwall defines this axial flow road, and this axial flow road connects this framework, this one is arranged in this axial flow road and links this inwall via a plurality of supporting portions, and a hollow beam barrel protrudes from this one; One stator is socketed in this beam barrel outside and is arranged in this one; One impeller is arranged in the seat portion in this framework should stator, and this impeller periphery is provided with several flabellums; One circuit board is arranged on this outer wall, and with this stator of electrically connect.
Preferably, the fan structure of described externally connected type circuit, this circuit board have one and connect wherein a part of area or the entire area that side is flattened on this outer wall, and an outer side contacts external world.
Preferably, the fan structure of described externally connected type circuit is solid body between this inwall and the outer wall.
By the utility model said structure, compared to known technology, the thickness of framework reduces, and reaches and have more spaces electronic component on the circuit board is set, and helps heat radiation.
Description of drawings
Following graphic purpose is to make the utility model to understand by easier quilt, and those are graphic in encyclopaedizing herein, and makes it constitute the some of specific embodiment.Specific embodiment by herein and with reference to corresponding graphic, in order to do with the detailed explanation specific embodiment of the utility model, and in order to set forth the action principle of model utility.
Fig. 1 is perspective exploded view of the present utility model;
Fig. 2 is three-dimensional combination schematic representation of the present utility model;
Fig. 3 is combination cross-sectional schematic of the present utility model;
Fig. 4 is arranged on another enforcement schematic representation of framework outer wall for the utility model circuit board.
Symbol description
11 frameworks
111 wind inlet ends
112 outlet air ends
113 inwalls
114 outer walls
115 axial flow roads
116 portions
1161 hollow beam barrels
117 supporting members
12 stators
13 impellers
131 flabellums
1311 inlet air sides
1312 air sides
1313 outsides
14 circuit boards
141 connect side
142 outsides
Embodiment
Hereinafter with reference to correlative type, the preferable enforcement of the utility model is described, wherein components identical will be illustrated with the components identical symbol.
The utility model discloses a kind of axial flow fan, and it has a framework and can be a square framework or an annular framework, and this framework has a shaft orientation flowing channel so that a flabellum drives when rotating, and air-flow is negotiable in this axial flow passage.Fig. 1 is perspective exploded view of the present utility model, and Fig. 2 is three-dimensional combination schematic representation of the present utility model, and Fig. 3 is combination cross-sectional schematic of the present utility model.
As shown in Figure 1 to Figure 3, the utility model comprises a framework 11, a stator 12.One impeller 13 and at least one circuit board 14, wherein this framework 11 is an annular framework, also can be square framework but be not limited thereto, this stator 12 and impeller 13 are arranged in this framework 11.This impeller 13 has the outer circumferential face that several flabellums 131 rings are located at this impeller 13, described flabellum 131 extending outwardly radially, and this impeller 13 can rotate relative to this stator 12.Each flabellum 131 has an inlet air side 1311 and an air side 1312 and an outside 1313.
This framework 11 has a wind inlet end 111.One outlet air end 112.One inwall 113, an outer wall 114, an axial flow road 115 and a portion 116.The both sides of this framework 11 form this wind inlet end 111 and this outlet air end 112 respectively, and this axial flow road 115 is by this framework 11 that this inwall 113 defines and connects.This one 116 is arranged on this near outlet air end 112 places, and the periphery of this one 116 is provided with a plurality of supporting members 117 these inwalls 113 of connection and is arranged in this axial flow road 115 to support this one 116, and seat portion 116 is provided with a hollow beam barrel 1161 that protrudes.Be solid body between this inwall 113 and this outer wall 114.
This stator 12 comprises that stacking a silicon steel plate of forming by a plurality of silicon steel plates is mounted between the insulating frame group, and a coil groups is twined this silicon steel plate group and this insulating frame group.Should be socketed in these beam barrel 1161 outsides and be arranged in this one 116 due to 12.
Wherein this impeller 13 is arranged in this one 116 should stator 12, the wind inlet end 111 that 1311 pairs of the inlet air sides of described flabellum 131 should framework 11, and 1312 pairs of air sides should outlet air end 112, and 1313 pairs in the outside should inwall 113.
This circuit board 14 is arranged on this outer wall 114, and with this stator 12 of electrically connect, this circuit board 14 has one and connects the wherein a part of surface that side 141 is flattened on this outer wall 114 in one implements, and an outside 142 contact external environments.Shown in the 4th figure, this circuit board 14 is flattened on all surfaces of this outer wall 114 in another is implemented.
Wherein circuit board 14 and juncture between the outer wall 114 can use the mode of splicing or form the open-work on this circuit board 14 of the corresponding snapping of protruding buttons or offer blind hole at outer wall 114 at outer wall 114, open-work on the corresponding circuits plate 14, utilize the screw lock element to wear this open-work and this blind hole, so that this circuit board 14 is locked together.
Turn round when impeller 13 is driven by circuit board 14, air-flow is driven from the wind inlet end 111 of framework 11 and is entered through this axial flow road 115 then from these outlet air end 112 outflows.The heat that circuit board 14 produces is except the outside 142 contact ambient air heat radiations via circuit board 14, heat is delivered to outer wall 114 and contacts to dispel the heat with ambient air by outer wall 114, circuit board 14 can not be subject to the known restriction that is placed on this base, there is bigger or more space to place, more can more polyelectron element be set in response to various functions on the circuit board 14.
In sum, the utility model circuit board 14 is set directly at the outer wall 114 of this framework 11, does not need to arrange in addition holding space containment circuit board 14 compared to preceding case framework 11, and the thickness of framework 11 can not increase, and weight can not increase yet.
Though the utility model discloses as above with mode of execution; so it is not in order to limit the utility model; anyly be familiar with this skill person; in not breaking away from spirit and scope of the present utility model; when can being used for a variety of modifications and variations, therefore protection domain of the present utility model when look accompanying claim the person of deciding be as the criterion.
Claims (3)
1. the fan structure of an externally connected type circuit is characterized in that, comprising:
One framework, have a wind inlet end, an outlet air end, an inwall, an outer wall, an axial flow road and a portion, this wind inlet end and outlet air end lay respectively at the both sides of this framework, this inwall defines this axial flow road, this axial flow road connects this framework, this one is arranged in this axial flow road and links this inwall via a plurality of supporting portions, and a hollow beam barrel protrudes from this one;
One stator is socketed in this beam barrel outside and is arranged in this one;
One impeller is arranged in the seat portion in this framework should stator, and this impeller periphery is provided with several flabellums;
One circuit board is arranged on this outer wall, and this stator of electrically connect.
2. the fan structure of externally connected type circuit as claimed in claim 1 is characterized in that, this circuit board has one and connects wherein a part of area or the entire area that side is flattened on this outer wall, and an outer side contacts external world.
3. the fan structure of externally connected type circuit as claimed in claim 1 is characterized in that, is solid body between this inwall and the outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320197679 CN203161661U (en) | 2013-04-18 | 2013-04-18 | Fan structure with external circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320197679 CN203161661U (en) | 2013-04-18 | 2013-04-18 | Fan structure with external circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203161661U true CN203161661U (en) | 2013-08-28 |
Family
ID=49022848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320197679 Expired - Fee Related CN203161661U (en) | 2013-04-18 | 2013-04-18 | Fan structure with external circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203161661U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110394A (en) * | 2013-04-18 | 2014-10-22 | 深圳兴奇宏科技有限公司 | Fan structure with external circuit |
| CN107191404A (en) * | 2017-05-23 | 2017-09-22 | 奇鋐科技股份有限公司 | Circuit board and fan frame integrated structure |
-
2013
- 2013-04-18 CN CN 201320197679 patent/CN203161661U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110394A (en) * | 2013-04-18 | 2014-10-22 | 深圳兴奇宏科技有限公司 | Fan structure with external circuit |
| CN107191404A (en) * | 2017-05-23 | 2017-09-22 | 奇鋐科技股份有限公司 | Circuit board and fan frame integrated structure |
| CN107191404B (en) * | 2017-05-23 | 2019-11-22 | 奇鋐科技股份有限公司 | Circuit board and fan frame integrated structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20190418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |