CN2859023Y - External-polar type air blast fan - Google Patents
External-polar type air blast fan Download PDFInfo
- Publication number
- CN2859023Y CN2859023Y CN 200520136626 CN200520136626U CN2859023Y CN 2859023 Y CN2859023 Y CN 2859023Y CN 200520136626 CN200520136626 CN 200520136626 CN 200520136626 U CN200520136626 U CN 200520136626U CN 2859023 Y CN2859023 Y CN 2859023Y
- Authority
- CN
- China
- Prior art keywords
- shell block
- circuit board
- control circuit
- air blast
- type air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 241000883990 Flabellum Species 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000001939 inductive effect Effects 0.000 abstract 1
- 230000012447 hatching Effects 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000005288 electromagnetic effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000002964 excitative effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
An external-polar type air blast fan comprises a casing seat with a supporter, a fan wheel unit rotatablely disposed on the supporter, at least one magnetic pole constantly disposed on the casing seat and at the outer side of the fan wheel unit, a casing lid disposed on the casing seat, and a control unit. The control unit includes a control circuit board on the surface of the casing lid, and an inductive element linked with the control circuit board. Disposition of the control circuit board on the surface of the casing lid saves its occupied space, shortens manufacturing and assembling time, and makes the entire volume thinner and smaller to accord with the developing tendency of lightness, thinness, shortness and minimization.
Description
[technical field]
The utility model relates to a kind of fan, particularly relates to a kind of external pole type air blast type fan.
[background technique]
As shown in Figure 1, 2, existing external pole type air blast type fan 1 comprises a shell block 11, an impeller unit 12, four magnetic poles 13, a control unit 14, and a cap 15.
This shell block 11 has the exhaust outlet 112 that a drive-connecting shaft 111, of uprightly being located at nearly center is positioned at lateral margin, and the two clamping bars 113 in contrast to this exhaust outlet 112.This impeller unit 12 has one and is sheathed on wheel hub 121 on this drive-connecting shaft 111, the multi-disc flabellum 122 from these wheel hub 121 outside projections rotationally, and a magnet ring 123 around the circle of all flabellum 122 outer rims.
This four magnetic pole 13 is the outsides that are installed on this shell block 11 and are located on this magnet ring 123 at intervals, each magnetic pole 13 has a magnetic post 131, and a plurality of inductor coils 132 that are wound on this magnetic post 131, when inductor coil 132 conductance currents of described magnetic pole 13, can form electromagnetic effect and excitatory generation magnetic field.
This control unit 14 has a control circuit board 141 that is inserted in 113 on the two clamping bars of this shell block 11, and a sense cell 142 that is electrically connected with this control circuit board 141.This cap 15 is covered on this shell block 11 and is formed with a pair of wind inlet 151 that should impeller unit 12.
The sense cell 142 that sees through this control unit 14 is responded to the polarity of the magnet ring 123 of these impeller unit 12, output message is with the inductor coil 132 of controlling this four magnetic pole 13 and produce polarity that should magnet ring 123 again, make this magnet ring 123 and contiguous magnetic pole 13 forming repulsion, and then promote this impeller unit 12 and rotate.Utilize described flabellum 122 that the air in this shell block 11 is discharged from this exhaust outlet 112 again, at this moment, this shell block 11 can form negative pressure, and the wind inlet 151 of air from this cap 15 sucked, and air is continuously flowed.
Under the leading of Simplicity in Design wind now, various electronic correlation product advances towards compact target invariably.Wherein, this control circuit board 141 is arranged on a side of this shell block 11 in upright mode, yet, be provided with in this way, but make the thickness of this shell block 11 to improve, to satisfy the height of this control circuit board 141, simultaneously, also need to vacate the space of placing this control unit 14 in side.In other words, the size of this external pole type air blast type fan 1 still can't be dwindled effectively.
Moreover, the manufacture of existing external pole type air blast type fan 1 is separated manufacturing with this cap 15 and control circuit board 141, when assembling, again this control circuit board 141 is inserted on this shell block 11, not only elongate, increase cost in the man-hour of making, and whole weight also can relatively increase, and do not meet compact trend, has amendatory space.
[model utility content]
The purpose of this utility model is for a kind of external pole type air blast type fan is provided, and under the principle that does not reduce air quantity, can make whole thickness become thinner and width becomes littler, simultaneously, also can shorten the man-hour of manufacturing, save the cost of making, and alleviate whole weight.
For achieving the above object, external pole type air blast type fan of the present utility model, the shell block that comprises a hollow, one is arranged on the impeller unit in this shell block rotationally, at least one magnetic pole that is installed on this shell block and is positioned at this outside, impeller unit, one control unit, an and cap that is covered on this shell block, this shell block has a supporting element, an and exhaust outlet that is positioned at this shell block lateral margin, this impeller unit has a wheel hub that is arranged on this supporting element, a plurality of respectively from the flabellum of the outside projection of this wheel hub, an and magnet ring that is located on all flabellum outer periphery, this magnetic pole has one and is installed on this shell block and is positioned at the magnetic post in this magnet ring outside, and be wound in the inductor coil of this magnetic post, this cap is formed with a pair of wind inlet that should the impeller unit, it is characterized in that:
This control unit has is located at the lip-deep control circuit board of this cap, and a sense cell that is electrically connected with this control circuit board.
The effect of the utility model external pole type air blast type fan is that the control circuit board that sees through this control unit is formed on the surface of this cap, satisfy the height of this control circuit board with the height that improves this shell block, can reduce effectively whereby this control circuit board shared the space is set, make the height and the width of this shell block all can reduce, make whole thickness and width become thinner littler, simultaneously, be when making this cap, in the lump this control circuit board to be formed on this cap, save the cost and the man-hour of follow-up manufacturing and assembling, and can alleviate whole weight.
[description of drawings]
Fig. 1 is a three-dimensional exploded view, and the aspect of existing external pole type air blast type fan is described.
Fig. 2 is the cross sectional side view of II-II hatching on Fig. 1.
Fig. 3 is a three-dimensional exploded view, and first preferred embodiment of the utility model external pole type air blast type fan is described.
Fig. 4 is the cross sectional side view of IV-IV hatching on Fig. 3.
Fig. 5 is a three-dimensional exploded view, and second preferred embodiment of the utility model external pole type air blast type fan is described.
Fig. 6 is the cross sectional side view of VI-VI hatching on Fig. 5.
[embodiment]
Below by preferred embodiment and accompanying drawing the utility model external pole type air blast type fan is elaborated.Before the utility model is described in detail, be noted that in the following description similar elements is to represent with identical numbering.
Shown in Fig. 3,4, first preferred embodiment of the utility model external pole type air blast type fan comprises a shell block 2, an impeller unit 3, a magnetic pole 4, a cap 5, and a control unit 6.
This shell block 2 has is located at ectocentral supporting element 21, and an exhaust outlet 22 that is positioned at lateral margin.This impeller unit 3 is sheathed on the supporting element 21 of this shell block 2 rotationally, comprises the wheel hub 31 be located on this supporting element 21, most respectively from the flabellum 32 of these wheel hub 31 outside projections, reaches a magnet ring 33 that is set in all flabellum 32 outer periphery.
This magnetic pole 4 is the outsides that are fixedly arranged on this shell block 2 and are positioned at the magnet ring 33 of this impeller unit 3, and this magnetic pole 4 has a magnetic post 41, and is wound in the inductor coil 42 of this magnetic post 41.This cap 5 can be covered on this shell block 2 and be formed with a pair of wind inlet 51 that should impeller unit 3, and in Fig. 4, this wind inlet 51 is above this impeller unit 3.
This control unit 6 has one and is formed at this cap 5 lip-deep control circuit boards 61, and a sense cell 62 that is electrically connected and is close to the magnet ring 33 of this impeller unit 3 with this control circuit board 61.In this first preferable enforcement, this cap 5 is by made as the preferable circuit board material of epoxy resin (Epoxy) and so on rigidity with control circuit board 61 equally, when making this cap 5, dispose the circuit on (Layout) this control circuit board 61 simultaneously, make that this control circuit board 61 is to be integrated state with cap 5, and need are made this control circuit board 61 in addition, again this control circuit board 61 is assembled on this shell block 2, save manufacture cost and assemble man-hour, also can alleviate whole weight.Certainly, also this control circuit board 61 can be configured on this cap 5.
See through the polarity of these sense cell 62 these magnet rings 33 of induction, give this control circuit board 61 with output signal, make the circuit on this control circuit board 61 can control the polarity that this magnetic pole 4 produces correspondence, and can promote this impeller unit 3 rotations, air is inhaled into from the wind inlet 51 of this cap 5, and blows out from the exhaust outlet 22 of this shell block 2.
As previously mentioned, by this control circuit board 61 and this cap 5 is one-body molded or dispose mode on it, and do not need to make in addition as the control circuit board 141 on the existing external pole type air blast type fan 1, be arranged on again on the shell block 11, therefore, the utility model can allow the height of this shell block 2 descend, and dwindles the width of this shell block 2, make whole thickness thinner and width is littler, meet compact development trend.
Shown in Fig. 5,6, second preferred embodiment of the utility model external pole type air blast type fan, be identical with this first preferred embodiment haply, difference is: this external pole type air blast type fan includes quadruple scanning and ring is established the magnetic pole 4 in magnet ring 33 outsides of this impeller unit 3.By the effect of this four magnetic pole 4, can bestow the repulsion that this impeller unit 3 rotates more equably, and can rotate reposefully.Certainly, also can use two, three, or the magnetic pole more than four 4, promote this impeller unit 3 and rotate, should not limit to claim scope of the present utility model with this.
Conclude above-mentioned, external pole type air blast type fan of the present utility model, be utilize with the control circuit board 61 of this control unit 6 directly and this cap 5 one-body molded or be arranged on the surface of this cap 5, reduce effectively this control circuit board 61 shared the space is set, make the thickness and the width of this shell block 2 all can reduce, and then make whole size can become thinner and littler, simultaneously, because be when making this cap 5, in the lump this control circuit board 61 is formed on this cap 5, that is to say together and make, therefore, the cost and the man-hour of follow-up manufacturing and assembling can be saved, and whole weight can be alleviated, meet compact development trend, so can reach the purpose of this utility model really.
Claims (4)
1. external pole type air blast type fan, the shell block that comprises a hollow, one is arranged on the impeller unit in this shell block rotationally, at least one magnetic pole that is installed on this shell block and is positioned at this outside, impeller unit, one control unit, an and cap that is covered on this shell block, this shell block has a supporting element, an and exhaust outlet that is positioned at this shell block lateral margin, this impeller unit has a wheel hub that is arranged on this supporting element, a plurality of respectively from the flabellum of the outside projection of this wheel hub, an and magnet ring that is located on all flabellum outer periphery, this magnetic pole has one and is installed on this shell block and is positioned at the magnetic post in this magnet ring outside, and be wound in the inductor coil of this magnetic post, this cap is formed with a pair of wind inlet that should the impeller unit, it is characterized in that:
This control unit has is located at the lip-deep control circuit board of this cap, and a sense cell that is electrically connected with this control circuit board.
2. external pole type air blast type fan as claimed in claim 1 is characterized in that:
This external pole type air blast type fan comprises separately a plurality of and is located on the magnetic pole in the magnet ring outside of this impeller unit, and each magnetic pole has a magnetic post that is installed on this shell block, and is wound in the inductor coil on this magnetic post.
3. external pole type air blast type fan as claimed in claim 1 or 2 is characterized in that:
The sense cell of this control unit is the magnet ring of contiguous this impeller unit.
4. external pole type air blast type fan as claimed in claim 1 is characterized in that:
The control circuit board of this control unit and this cap are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520136626 CN2859023Y (en) | 2005-12-14 | 2005-12-14 | External-polar type air blast fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520136626 CN2859023Y (en) | 2005-12-14 | 2005-12-14 | External-polar type air blast fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2859023Y true CN2859023Y (en) | 2007-01-17 |
Family
ID=37611882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520136626 Expired - Fee Related CN2859023Y (en) | 2005-12-14 | 2005-12-14 | External-polar type air blast fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2859023Y (en) |
Cited By (1)
| 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 |
-
2005
- 2005-12-14 CN CN 200520136626 patent/CN2859023Y/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070117 Termination date: 20100114 |