CN103727054A - Bearing, heat dissipation device and electronic equipment - Google Patents
Bearing, heat dissipation device and electronic equipment Download PDFInfo
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- CN103727054A CN103727054A CN201210391145.XA CN201210391145A CN103727054A CN 103727054 A CN103727054 A CN 103727054A CN 201210391145 A CN201210391145 A CN 201210391145A CN 103727054 A CN103727054 A CN 103727054A
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- bearing
- axle center
- axle sleeve
- described axle
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Abstract
The invention discloses a bearing, a heat dissipation device and electronic equipment. The bearing comprises a shaft sleeve and an axis. The shaft sleeve is made of a non-metal material and comprises an inner wall and an outer wall, the inner wall is provided with at least one groove, and the non-metal material is a ceramic material or a plastic material. The axis is made of a non-metal material and sleeved with the shaft sleeve. When the shaft sleeve and the axis slide relatively, lubrication liquid which is packaged between the shaft sleeve and the axis and has certain viscosity passes through at least one groove, and a liquid membrane with the hydrodynamic effect is formed between the inner wall and the axis, so that the axis and the shaft sleeve do not make contact.
Description
Technical field
The present invention relates to mechanical field, relate in particular to a kind of bearing, a kind of sink and a kind of electronic equipment.
Background technique
Along with scientific and technical development, electronic equipment, such as desktop computer, the size of the CPU radiation fan of installing on notebook computer is done less and less, and so, the bearing size on small fan is also done less and less.
At present, the bearing adopting for small fan has ball bearing, sealed-bearing, dynamic hydraulic bearing, through-type ceramic bearing.Inapplicable on slim small fan for ball bearing, be used on little Bao fan not only physical dimension and do not allow, when being subject to impacting, be also easy to cause inner rolling element depression, form the different sound of fan; Sealed-bearing and dynamic hydraulic bearing all can be worked as after oil runs off can cause axle center and bearing support dry friction, because being that metal and metal are rubbing, once cause dry friction, will cause temperature to raise, and occurs the stuck situation about not turning of different sound and fan; For through-type ceramic bearing, current this structure is mainly dealt with problems by reducing friction factor, but this drive manner also can produce different sound in long-term running; In a word, in prior art, there is short problem and the bearing problem that occurs different sound in bearing working life.
Summary of the invention
The invention provides a kind of bearing, a kind of sink and a kind of electronic equipment, in order to solve the bearing short technical problem in working life existing in prior art.
On the one hand, the present invention, by the application's a embodiment, provides a kind of bearing, comprise: axle sleeve, by nonmetallic material, made, comprise inner and outer wall, on described inwall, offer at least one groove, wherein, described nonmetallic material are stupalith or plastic materials; Axle center, is made by described nonmetallic material, and wherein, described axle sleeve is enclosed within on described axle center; Wherein, when relative sliding is carried out in described axle sleeve and described axle center, the lubricating fluid with certain viscosity being encapsulated between described axle sleeve and described axle center passes through described at least one groove, between described inwall and described axle center, form the liquid film with dynamic pressure effect, described axle center is not contacted with described axle sleeve.
Optionally, described groove is specially " < " type.
Optionally, described groove is specially "/" type.
Optionally, described stupalith is specially self-lubrication ceramic.
Optionally, described lubricating fluid is specially lubricant oil.
On the other hand, the present invention, by another embodiment of the application, provides a kind of sink, be applied to, on an electronic equipment, comprising: the bearing as described in such scheme, wherein, the length in described axle center is greater than the length of described axle sleeve, and described axle center is extended to outside described axle sleeve; At least a slice flabellum, is evenly arranged on one end that described axle center exposes to described axle sleeve; Wherein, by the rotation in described axle center, described in can driving, at least a slice fan blade rotating is moving.
Optionally, described device is specially CPU radiation fan, for the temperature of described CPU is reduced to the second value from the first value.
Again on the one hand, the present invention, by another embodiment of the application, provides a kind of electronic equipment, comprising: circuit board; Process chip, is arranged on described circuit board; Sink as described in such scheme, is arranged on the top of described process chip; Wherein, by described sink, the temperature of described processor chips can be reduced to the second value from the first value.
The one or more technological schemes that provide in the embodiment of the present application, at least have following technique effect or advantage:
1, owing to offering at least one groove on the inwall of axle sleeve, the lubricating fluid being encapsulated between axle center and axle sleeve can produce dynamic pressure effect formation liquid film by these grooves, axle center is not contacted with axle sleeve, reduce the friction of bearing when work, extend the working life of bearing, effectively solve the bearing short problem in working life existing in prior art, and then provide a kind of working life longer bearing.
2, owing to offering at least one groove on the inwall of axle sleeve, the lubricating fluid being encapsulated between axle center and axle sleeve can produce dynamic pressure effect formation liquid film by these grooves, axle center is not contacted with axle sleeve, just can be because of axle sleeve and axle center friction, produce different sound, the bearing that has effectively solved prior art existence occurs the problem of different sound having reduced bearing noise in the course of the work.
3, owing to adopting self-lubricating ceramic material, make bearing at Lubricants soma in the situation that still can keep less friction factor, further improved the working life of bearing.
4, owing to adopting the bearing in such scheme to make sink, sink in use, does not even rub because pivot friction coefficient is little like this, makes sink there will not be different sound, and then a kind of low noise sink is provided, improve user and experience.
Accompanying drawing explanation
Figure 1A is the structural section schematic diagram of the bearing in one embodiment of the invention;
Figure 1B is the structural representation of the axle sleeve in one embodiment of the invention;
Fig. 2 A-2E is the schematic diagram of at least one groove of the bearing in one embodiment of the invention;
Fig. 3 is the structural representation of the sink in one embodiment of the invention;
Fig. 4 is the structural representation of the electronic equipment in one embodiment of the invention.
Embodiment
The embodiment of the present application, by a kind of bearing is provided, has solved the bearing short technical problem in working life existing in prior art.
Technological scheme in the embodiment of the present application is for solving the bearing shorter problem in working life of above-mentioned existence, and general thought is as follows:
At the sleeve lining of bearing, output at least one groove, when axle sleeve is relative with axle center while rotating, the lubricating fluid being encapsulated in bearing flows through above-mentioned groove, produce dynamic pressure effect, form liquid film, separate axle center and axle sleeve, make to produce less frictional force between axle center and axle sleeve and even do not produce frictional force, so just can extend the working life of bearing, and then provide a kind of working life longer bearing.
In order better to understand technique scheme, below in conjunction with Figure of description and concrete mode of execution, technique scheme is described in detail.
The application is one embodiment provide a kind of bearing, and as shown in Figure 1A, this bearing 10 comprises: axle sleeve 101, by nonmetallic material, made, can be stupalith, as conventional ceramic, self-lubrication ceramic, also can be plastic materials, as POM(Polyoxymethylene, acetal resin) plastics, PP(Polypropylene, polypropylene) plastics, the application is not specifically limited.Axle center 102, is made by above-mentioned nonmetallic material equally, and consistent with the making material of axle sleeve 101, and wherein, axle sleeve 101 is enclosed within on axle center 102.And as shown in Figure 1B, axle sleeve 101 comprises inwall 1011 and outer wall 1012, offers at least one groove 1013 on inwall 1011.
In specific implementation process, at least one groove 1013 can have a variety of shapes.
The first, as shown in Figure 2 A, at least one groove 1013 can be " < " shape, evenly be arranged in the central symmetry axis of inwall 1011, the certain span in interval between each " < ", this span can be 0.5mm, can be also 0.1mm, concrete span is set according to the actual size of bearing, and the application is not specifically limited.
The second, as shown in Figure 2 B, at least one groove 1013 can be "/" shape, evenly be arranged in a side of the central symmetry axis of inwall 1011, the certain span in interval between each "/", this span can be 0.5mm, can be also 0.1mm, concrete span is set according to the actual size of bearing, and the application is not specifically limited.
The third, as shown in Figure 2 C, at least one groove 1013 can also be
shape, is evenly arranged in the central symmetry axis of inwall 1011, each
between the certain span in interval, this span can be 0.5mm, can be also 0.1mm, concrete span is set according to the actual size of bearing, the application is not specifically limited.
The 4th kind, as shown in Figure 2 D, at least one groove 1013 can also for " " shape, from one side of inwall 1011 to its opposite side, extend, until exceed the central symmetry axis of inwall 1011, each " " between the less distance in interval, this span can be 0.5mm, also can be 0.1mm, concrete span be set according to the actual size of bearing, and the application is not specifically limited.
The 5th kind, as shown in Figure 2 E, at least one groove 1013 can also for " " shape, from one side of inwall 1011, extend to its opposite side always, the less distance in interval between each " ", this span can be 0.5mm, can be also 0.1mm, concrete span is set according to the actual size of bearing, and the application is not specifically limited.
Certainly, at least one groove 1013 can also have other shapes, be not limited to above-mentioned three kinds, as long as can be when relative sliding be carried out in axle sleeve 101 and axle center 102, the lubricating fluid that makes to be encapsulated between axle center 102 and axle sleeve 101 produces dynamic pressure effect, those of ordinary skills can set voluntarily, and the application is not specifically limited.
Below the working procedure of bearing 10 is elaborated.
When axle sleeve 101 starts relative sliding with axle center 102, axle center is by the lubricating fluid being encapsulated between axle sleeve 101 and axle center 102, such as lubricant oil, bring the friction surface of axle sleeve 101 into, during inwall 1011, due to the viscous effect of lubricating fluid, when axle center 102 reaches sufficiently high rotational speed, lubricating fluid is just brought at least one groove 1013 on inwall 1011, forms hydrodynamic effect, and the lubricating fluid between axle sleeve 101 and axle center 102 produces pressure.When pressure and external load balance, between axle center 102 and axle sleeve 101, form stable liquid film, axle center 102 is not contacted with axle sleeve 101, so just can reduce the friction between axle center 102 and axle sleeve 101, extend the working life of bearing, and then a kind of bearing of long service life is provided.
Based on same inventive concept, the application is another embodiment also provide a kind of sink, is applied on an electronic equipment, such as, desktop computer, notebook computer, panel computer, smart mobile phone, as shown in Figure 3, this sink 20 comprises: the bearing 10 described in above-described embodiment, wherein, the length in axle center 102 is greater than the length of axle sleeve 101, and axle center 102 is extended to outside axle sleeve 101; At least a slice flabellum 201, are evenly arranged on one end that axle center 102 exposes to axle sleeve; Wherein, by the slip of axle center 102 relative axle sleeves 101, can drive at least a slice fan blade rotating to move.
In specific implementation process, sink 20 can be CPU radiation fan, for the temperature of CPU is reduced to the second value from the first value; Certainly sink 20 can be also VGA COOLER, can also be Hard disk heat radiation fan, and the application is not specifically limited.
Below the working procedure of sink 20 is elaborated.
When electronic device works is after a period of time, the temperature of cpu chip has reached the first value, such as 80 °, now, if cpu chip continuous high temperature will affect the operating rate of CPU, and have a possibility of burning chip, so, sink 20 started, by bearing 10, drive at least rotation of a slice flabellum 201, accelerate Air Flow, make the temperature of cpu chip fall the end to the second value from the first value, if the second value is 50 °.Owing to not contacting between the axle center 102 of bearing 10 and axle sleeve 101, rub little, reduced the noise that sink 20 sends, and then a kind of sink of low noise is provided.
Based on same inventive concept, the application is another embodiment provide a kind of electronic equipment, such as, desktop computer, notebook computer, panel computer, smart mobile phone, as shown in Figure 4, this electronic equipment 30 comprises: circuit board 301; Process chip 302, is arranged on circuit board 301, and this process chip 302 can be cpu chip, also can be video card; As the sink 20 as described in above-described embodiment, be arranged on the top of process chip 302; Wherein, by sink 20, the temperature of processor chips 302 can be reduced to the second value from the first value.
The working procedure of electronic equipment 30 is consistent with the working procedure of above-mentioned sink 20, at this, has not just repeated one by one.
Technological scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
1, owing to offering at least one groove on the inwall of axle sleeve, the lubricating fluid being encapsulated between axle center and axle sleeve can produce dynamic pressure effect formation liquid film by these grooves, axle center is not contacted with axle sleeve, reduce the friction of bearing when work, extend the working life of bearing, effectively solve the bearing short problem in working life existing in prior art, and then provide a kind of working life longer bearing.
2, owing to offering at least one groove on the inwall of axle sleeve, the lubricating fluid being encapsulated between axle center and axle sleeve can produce dynamic pressure effect formation liquid film by these grooves, axle center is not contacted with axle sleeve, just can be because of axle sleeve and axle center friction, produce different sound, the bearing that has effectively solved prior art existence occurs the problem of different sound having reduced bearing noise in the course of the work.
3, owing to adopting self-lubricating ceramic material, make bearing at Lubricants soma in the situation that still can keep less friction factor, further improved the working life of bearing.
4, owing to adopting the bearing in such scheme to make sink, sink in use, does not even rub because pivot friction coefficient is little like this, makes sink there will not be different sound, and then a kind of low noise sink is provided, improve user and experience.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (8)
1. a bearing, is characterized in that, comprising:
Axle sleeve, is made by nonmetallic material, comprises inner and outer wall, offers at least one groove on described inwall, and wherein, described nonmetallic material are stupalith or plastic materials;
Axle center, is made by described nonmetallic material, and wherein, described axle sleeve is enclosed within on described axle center;
Wherein, when relative sliding is carried out in described axle sleeve and described axle center, the lubricating fluid being encapsulated between described axle sleeve and described axle center passes through described at least one groove, forms the liquid film with dynamic pressure effect between described inwall and described axle center, and described axle center is not contacted with described axle sleeve.
2. bearing as claimed in claim 1, is characterized in that, described groove is specially " < " type.
3. bearing as claimed in claim 1, is characterized in that, described groove is specially "/" type.
4. bearing as claimed in claim 1, is characterized in that, described stupalith is specially self-lubrication ceramic.
5. bearing as claimed in claim 1, is characterized in that, described lubricating fluid is specially has lubricant oil.
6. a sink, is applied to, on an electronic equipment, it is characterized in that, comprising:
Bearing as described in claim 1-5 any one, wherein, the length in described axle center is greater than the length of described axle sleeve, and described axle center is extended to outside described axle sleeve;
At least a slice flabellum, is evenly arranged on one end that described axle center exposes to described axle sleeve;
Wherein, by the rotation in described axle center, described in can driving, at least a slice fan blade rotating is moving.
7. device as claimed in claim 6, is characterized in that, described device is specially CPU radiation fan, for the temperature of described CPU is reduced to the second value from the first value.
8. an electronic equipment, is characterized in that, comprising:
Circuit board;
Process chip, is arranged on described circuit board;
Sink as claimed in claim 6, is arranged on the top of described process chip;
Wherein, by described sink, the temperature of described processor chips can be reduced to the second value from the first value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210391145.XA CN103727054A (en) | 2012-10-15 | 2012-10-15 | Bearing, heat dissipation device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210391145.XA CN103727054A (en) | 2012-10-15 | 2012-10-15 | Bearing, heat dissipation device and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103727054A true CN103727054A (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210391145.XA Pending CN103727054A (en) | 2012-10-15 | 2012-10-15 | Bearing, heat dissipation device and electronic equipment |
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| Country | Link |
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| CN (1) | CN103727054A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114350A (en) * | 2015-08-17 | 2015-12-02 | 联想(北京)有限公司 | Bearing and fan |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6254348B1 (en) * | 1999-04-19 | 2001-07-03 | Richard Lee | Structure of a radiating fan |
| CN2916205Y (en) * | 2005-11-16 | 2007-06-27 | 邱国光 | Improved DC brushless fan bearing |
| US20070231136A1 (en) * | 2006-03-31 | 2007-10-04 | Delta Electronics, Inc. | Fan, bearing and sleeve thereof |
| CN101392799A (en) * | 2007-09-21 | 2009-03-25 | 富准精密工业(深圳)有限公司 | Seal structure of oilless bearing and fan using the oilless bearing seal structure |
| CN101560990A (en) * | 2008-04-17 | 2009-10-21 | 黄佳华 | Sliding bearing for magnetic force driving pump |
-
2012
- 2012-10-15 CN CN201210391145.XA patent/CN103727054A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6254348B1 (en) * | 1999-04-19 | 2001-07-03 | Richard Lee | Structure of a radiating fan |
| CN2916205Y (en) * | 2005-11-16 | 2007-06-27 | 邱国光 | Improved DC brushless fan bearing |
| US20070231136A1 (en) * | 2006-03-31 | 2007-10-04 | Delta Electronics, Inc. | Fan, bearing and sleeve thereof |
| CN101392799A (en) * | 2007-09-21 | 2009-03-25 | 富准精密工业(深圳)有限公司 | Seal structure of oilless bearing and fan using the oilless bearing seal structure |
| CN101560990A (en) * | 2008-04-17 | 2009-10-21 | 黄佳华 | Sliding bearing for magnetic force driving pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114350A (en) * | 2015-08-17 | 2015-12-02 | 联想(北京)有限公司 | Bearing and fan |
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Application publication date: 20140416 |