CN100374734C - Forced radiator for motor - Google Patents
Forced radiator for motor Download PDFInfo
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- CN100374734C CN100374734C CNB2004100787441A CN200410078744A CN100374734C CN 100374734 C CN100374734 C CN 100374734C CN B2004100787441 A CNB2004100787441 A CN B2004100787441A CN 200410078744 A CN200410078744 A CN 200410078744A CN 100374734 C CN100374734 C CN 100374734C
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- rotor
- motor
- top cover
- rotor case
- flabellum
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Abstract
The present invention relates to a forced radiation device of a motor, which can be applied to a fan. The radiation device comprises a rotor, wherein the rotor comprises a cylindrical rotor casing and a top cover, the bottom of the rotor casing comprises at least one through hole, the top cover is connected to the outer side of the bottom of the rotor casing, and a range interval exists between the top cover and the rotor casing. When the rotor rotates, hot air in the rotor can be dissipated to the outer side of the rotor casing from the through holes through the range interval. The top cover can prevent foreign matter from entering the through holes so as to extend the service life of a motor.
Description
Technical field
The forced radiator of the relevant a kind of motor of the present invention, particularly a kind of forced radiator that can be applied to a fan motor.
Background technique
The application category of motor is very wide, fan promptly is an example, usually be used to be used as the driving component of heat radiation, again because the difference of its application area, fan motor can be divided into two kinds of centrifugal and axial flow, even so, these two kinds of fan motors all are to utilize motor to drive the flabellum rotation basically, to reach the effect that makes heat dissipation on one's own initiative.
A kind of centrifugal fan motor 1 of prior art is shown in Figure 1A, centrifugal fan motor 1 drives a rotor 10 with a motor (not shown), 11 of the flabellums of centrifugal fan motor 1 are to be connected on the rotor 10, when rotor 10 rotations, can drive flabellum 11 rotations simultaneously, make air flows reach the purpose of heat radiation; 2 in a kind of axial flow fan motor of prior art is shown in Figure 1B, similarly, be to drive a rotor 20 with a motor (not shown), also can drive flabellum 21 rotations during rotor 20 rotations, so that air flows and reach the purpose of active heat removal, further, axial flow fan motor 2 can comprise a fan frame 22, make air current flow more concentrated, make radiating effect better; But, the fan motor of above-mentioned prior art when rotated, internal rotor is because high speed rotating, can cause some heats to produce unavoidably, if these heats deposit in rotor, might be oversize because of the fan running time, and make the overheated and fault of motor, reduce the working life of fan.
So, when prior art is desired to address the above problem, developed another kind of centrifugal fan motor 3, please refer to shown in Fig. 2 A, centrifugal fan motor 3 is to drive a rotor 30 rotations by a motor (not shown) equally, flabellum 31 also reaches the purpose of heat radiation thereupon rotating simultaneously, wherein, comprise a plurality of perforation 300 on the rotor 30, when rotor 30 rotations, hot air in the rotor 30 can be disengaged by a plurality of perforation 300, make heat be unlikely to deposit in rotor 30, and cause motor so fault; In like manner, a kind of axial flow fan motor 4 please refer to shown in Fig. 2 B, also comprises a plurality of perforation 400 on the rotor 40 of axial flow fan motor 4, drives flabellum 41 rotation in fan frame 42 when rotor 40 rotations, and heat also can disengage by perforation 400.
The fan motor of above-mentioned prior art has the effect with the heat dissipation in the fan propeller really, but the shortcoming of thereupon bringing but is when this type of fan running, foreign matters such as dust that some are trickle or particle, to enter in the rotor from perforation easily, so, after fan motor used certain time limit, foreign matters such as dust or particle might be because be sandwiched between rotating shaft, and make motor stuck, and then make motor thereby fault.
Summary of the invention
The invention provides a kind of forced radiator of motor, can be applied in the fan, make this fan not only have the function that can make the dissipation of motor heat, can prevent that more foreign matter from entering in the rotor of motor, to prolong the working life of motor.
According to above-mentioned conception, the invention provides a kind of forced radiator of motor, this structure comprises: a rotator seat; One rotor is coupling in rotator seat by a rotating shaft, so that rotor can rotate on rotator seat, wherein this rotor comprises: a rotor case, become one cylindric, and its inboard is connected in rotating shaft, and its bottom comprises at least one perforation; One top cover, be connected in the bottom outside of rotor case, and have a spacing between top cover and the rotor case, top cover enters in the perforation in order to avoid foreign matter, when rotor rotated, the hot air in the rotor can dissipate to the outside of this rotor case from perforation via spacing.
According to above-mentioned conception, top cover of the present invention is the bottom outside that is connected in this rotor case by at least one stator or a connection strap, makes between top cover and the rotor case to have a spacing.
According to above-mentioned conception, top cover of the present invention is the bottom outside that is connected in this rotor case by a plurality of stators, makes between top cover and the rotor case to have a spacing; Wherein, these a plurality of stators distribute radially, have between per two stators and have a perforation at least.
According to above-mentioned conception, rotor case of the present invention is to make in integrated mode.
According to above-mentioned conception, rotor case of the present invention is made up of a first rotor shell and the mutual socket of this second rotor case, wherein the inboard of the first rotor shell is to be connected in rotating shaft, the bottom of the first rotor shell comprises at least one perforation, and the center of second rotor case is to connect top cover by stator, wherein, has a spacing between the top cover and second rotor case.
According to above-mentioned conception, the forced radiator of motor of the present invention is to be applied in the fan, and it further comprises a flabellum, and flabellum is to be connected on the rotor, and when rotor rotated, flabellum is rotation synchronously thereupon also; Wherein, described flabellum is to be centrifugal flabellum or axial flow flabellum.
Description of drawings
Figure 1A is a kind of schematic perspective view of centrifugal fan motor of prior art.
Figure 1B is a kind of schematic perspective view of axial flow fan motor of prior art.
Fig. 2 A is the schematic perspective view of the centrifugal fan motor of another kind of prior art.
Fig. 2 B is the schematic perspective view of the axial flow fan motor of another kind of prior art.
Fig. 3 A is the schematic perspective view of centrifugal fan motor of the present invention.
Fig. 3 B is the detailed schematic perspective view of the rotor of centrifugal fan motor of the present invention.
Fig. 3 C is the generalized section of the rotor of centrifugal fan motor of the present invention.
Fig. 3 D is the assembly exploded perspective schematic representation of the rotor case of centrifugal fan motor of the present invention.
Embodiment
Embodiments of the invention please be simultaneously with reference to shown in Fig. 3 A to Fig. 3 C, wherein Fig. 3 A is depicted as the schematic perspective view of a centrifugal fan motor 5, the outward appearance of the centrifugal fan motor 5 of the present invention as can be seen from Figure roughly centrifugal fan motor with prior art is identical, but referring again to Fig. 3 B and Fig. 3 C, these two accompanying drawings mainly are solid and the generalized sections in order to the detailed construction of the rotor 50 of explaining centrifugal fan motor 5 of the present invention; Wherein, please be simultaneously with reference to shown in Fig. 3 A and Fig. 3 C, centrifugal fan motor 5 of the present invention comprises a rotator seat 55, a rotor 50 and a flabellum 51, its rotor 50 is to be coupling on rotator seat 55 by a rotating shaft 56, so that rotor 50 can rotate on rotator seat 55, and, can drive flabellum 51 rotations when making rotor 50 rotations simultaneously because flabellum 51 is to be connected on the rotor 50, reach the effect of active heat removal; Illustrate further, please refer to shown in Fig. 3 C, rotor 50 also comprises a rotor case 505, a top cover 501 and at least one stator 502, wherein rotor case 505 is one cylindric, but also can if substitute with the cylinder of other shape, the about centre in the inboard of rotor case 505 is connected in rotating shaft 56, and its bottom then comprises at least one perforation 500; Top cover 501 then is the bottom outside that is connected in rotor case 505, and has a spacing d between top cover 501 and the rotor case 505, wherein, top cover 501 can be implemented by a connection strap (not shown) with the Placement of the bottom outside of rotor case 505; The preferably, the top cover 501 of present embodiment can be connected with the bottom outside of rotor case 505 by a plurality of stators 502, and each stator 502 is to justify the outer radial of mind-set by oneself to distribute, wherein, a plurality of stators 502 be for dull and stereotyped (shown in the stator among Fig. 3 D 502) or arc shape board (not shown) all can, and the areal extent of top cover 501 can be designed to cover the distributing position of all perforation 500.
The function mode of forced radiator that further specifies motor of the present invention is as follows, please refer to shown in Fig. 3 C, when centrifugal fan motor 5 is rotated, its rotor 50 can rotate thereupon and then drive flabellum 51 rotations, so that generation draught head, make air flows, its airflow direction 60 is shown in the arrow among the figure; When air flows, the flow velocity of extraneous gas is very fast, make that its air pressure is low with respect to the air pressure in the rotor case 505, so according to Bai Nuli law (Bernoulli ' s law), after making rotor case 505 interior air pass perforation 500, via the outside that flows to rotor case 505 between the spacing d, certainly, its hot air also flows out by this mode, and the direction 61 that its hot air flows out is shown in the arrow 61 among Fig. 3 B and Fig. 3 C; What is more, owing to have a spacing d between the top cover 501 of centrifugal fan motor 5 of the present invention and rotor case 505 outsides, be that stator 502 with a plurality of radial distribution interconnects therebetween, when centrifugal fan motor 5 when rotated, stator 502 also can and then rotate, initiatively drive the effect of air by the rotation of stator 502, can more efficiently the air in the rotor case 505 be discharged, thus, centrifugal fan motor 5 of the present invention can have the initiatively effect of forced heat radiation when rotated really; On the other hand; because centrifugal fan motor 5 of the present invention has the design of top cover 501; the preferably; its areal extent can be designed to cover the distributing position of all perforation 500; this makes works as centrifugal fan motor 5 when rotated; foreign matter be difficult for directly by perforation 500 enter rotor case 505 in, can guarantee that centrifugal fan motor 5 can not make shorten working life because of the stuck rotating shaft 56 of foreign matter, reach the effect that has forced heat radiation and protection motor concurrently.
The rotor 50 of centrifugal fan motor 5 of the present invention can complete with one-body molded, and the preferably can also be combined with a first rotor shell 506 and a first rotor shell 507, but should be as limit; With present embodiment, please refer to shown in Fig. 3 D, rotor case 505 can be socketed to form by a first rotor shell 506 and a first rotor shell 507 combinations, wherein the inboard of the first rotor shell 506 is to be connected in rotating shaft 56, the bottom of the first rotor shell 506 includes a plurality of perforation 500, and the center of second rotor case 507 is stators 502 of arranging by a plurality of radials and be connected to top cover 501, the preferably, stator 502 is the edges that are connected in top cover 501, this makes to have a spacing between the top cover 501 and second rotor case 507, behind the fit of the whole the first rotor shell 506 and second rotor case 507, just possessed the effect identical, but had more the advantage convenient and that save manufacture cost of making compared with the moulding of above-mentioned integral rotor shell 505 with above-mentioned rotor case 505.
In addition, embodiments of the invention are to be example with a kind of centrifugal fan motor, design makes the rotor in this fan motor possess top cover, bore a hole and have features such as spacing, enter in the rotor in order to prevent foreign matter from passing perforation, reach the purpose that life-span of making fan motor shortens, but should be as limit; Technology of the present invention can be applied in the axial flow fan motor (not shown) equally, make the rotor of axial flow fan motor can also have described technical characteristics as above-mentioned embodiment, What is more, can be provided with fan frame (not shown) in the outside of axial flow fan motor, the radiating efficiency of axial flow fan motor is improved thereupon, make the value of the industry of having more; In addition, the present invention also need not limit and be applied in the fan motor, such as any type of motor, all its rotor can be modified to the forced radiator that has described in the embodiment of the invention, so, all can make motor with forced heat radiation and prolong the effect of motor life, mode of execution all as identical as described in the embodiments of the invention, does not repeat them here.
The above only is preferred embodiment of the present invention, the foregoing description only be used for the explanation but not in order to limit claim scope of the present invention, category of the present invention is defined by following claim scope.The variation or the replacement of all equivalences of being done according to claim scope of the present invention all should belong to covering scope of the present invention.
Claims (9)
1. the forced radiator of a motor, it comprises:
One rotator seat;
One rotor is coupling in this rotator seat by a rotating shaft, so that this rotor can rotate on this rotator seat, wherein this rotor comprises:
One rotor case becomes a tubular, and its inboard is connected in this rotating shaft, and its bottom comprises at least one perforation;
One top cover is connected in the bottom outside of this rotor case, and has a spacing between this top cover and this rotor case;
When this rotor rotation, the hot air in this rotor dissipates to the outside of this rotor case via this spacing from this perforation.
2. the forced radiator of motor as claimed in claim 1 is characterized in that described top cover is the bottom outside that is connected in this rotor case by at least one stator.
3. the forced radiator of motor as claimed in claim 2 is characterized in that top cover is the bottom outside that is connected in this rotor case by a plurality of stators, and these a plurality of stators distribute radially.
4. the forced radiator of motor as claimed in claim 1 is characterized in that described top cover is the bottom outside that is connected in this rotor case by a connection strap.
5. the forced radiator of motor as claimed in claim 2 is characterized in that described rotor case is to make in integrated mode.
6. the forced radiator of motor as claimed in claim 2, it is characterized in that described rotor case is made up of a first rotor shell and the one second mutual socket of rotor case, wherein the inboard of this first rotor shell is to be connected in this rotating shaft, the bottom of this first rotor shell comprises described perforation, and the center of this second rotor case is to connect this top cover by this stator, wherein, has described spacing between this top cover and this second rotor case.
7. the forced radiator of motor as claimed in claim 1 is characterized in that this sink is to be applied to also further comprise a flabellum in the fan, and this flabellum is connected on this rotor; When this rotor rotation, this flabellum is rotation thereupon also, and described flabellum is to be centrifugal flabellum or axial flow flabellum.
8. the forced radiator of motor as claimed in claim 7 is characterized in that also comprising a fan frame, to surround this flabellum.
9. the forced radiator of motor as claimed in claim 1 is characterized in that described rotor case is one cylindric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100787441A CN100374734C (en) | 2004-09-15 | 2004-09-15 | Forced radiator for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100787441A CN100374734C (en) | 2004-09-15 | 2004-09-15 | Forced radiator for motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1749577A CN1749577A (en) | 2006-03-22 |
| CN100374734C true CN100374734C (en) | 2008-03-12 |
Family
ID=36605183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100787441A Active CN100374734C (en) | 2004-09-15 | 2004-09-15 | Forced radiator for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100374734C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412542B (en) * | 2019-08-23 | 2022-05-03 | 上海禾赛科技有限公司 | Laser radar and heat dissipation device thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2181123Y (en) * | 1993-11-30 | 1994-10-26 | 钟宗勇 | Radiator for motor |
| CN2468214Y (en) * | 2000-12-25 | 2001-12-26 | 台达电子工业股份有限公司 | Radiator of motor |
| CN2479677Y (en) * | 2001-03-30 | 2002-02-27 | 中国东莞万宏电子厂 | DC brushless fan with venthole |
| US20040075356A1 (en) * | 2002-10-16 | 2004-04-22 | Sunonwealth Electric Machine Industry Co., Ltd. | Fan rotor |
-
2004
- 2004-09-15 CN CNB2004100787441A patent/CN100374734C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2181123Y (en) * | 1993-11-30 | 1994-10-26 | 钟宗勇 | Radiator for motor |
| CN2468214Y (en) * | 2000-12-25 | 2001-12-26 | 台达电子工业股份有限公司 | Radiator of motor |
| CN2479677Y (en) * | 2001-03-30 | 2002-02-27 | 中国东莞万宏电子厂 | DC brushless fan with venthole |
| US20040075356A1 (en) * | 2002-10-16 | 2004-04-22 | Sunonwealth Electric Machine Industry Co., Ltd. | Fan rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1749577A (en) | 2006-03-22 |
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