CN203812177U - Heat dissipation system and portable electronic device - Google Patents
Heat dissipation system and portable electronic device Download PDFInfo
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- CN203812177U CN203812177U CN201420049003.XU CN201420049003U CN203812177U CN 203812177 U CN203812177 U CN 203812177U CN 201420049003 U CN201420049003 U CN 201420049003U CN 203812177 U CN203812177 U CN 203812177U
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- opening
- air
- cooling system
- hollow sleeve
- heat dissipation
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Abstract
The utility model relates to the technical field of heat dissipation, and in particularly to a heat dissipation system and a portable electronic device. The heat dissipation system comprises a gas pump, a ventilation tube and an air amplifier, wherein the air amplifier is a hollow sleeve comprising a first opening and a second opening, and a ring of through groove vertical to a direction from the first opening to the second opening is formed in the inner wall of the hollow sleeve; one end of the ventilation tube is communicated with the gas pump, and the other end is arranged on the sidewall of the hollow sleeve and communicated with the through groove. According to the heat dissipation system provided by the utility model, compared with the traditional fan heat dissipation mode in the prior art, because air in a notebook computer is directly exhausted, airflow with lots of heat is directly exhausted to the outside of a body, the energy loss is low, and the phenomenon of overheating at the air exhaust port of the body is avoided. Therefore, the heat dissipation effect is good. In addition, the flow rate of air penetrating through the air amplifier and is exhausted is far greater than that of a gas flowing from the gas pump, therefore, a better heat dissipation effect is achieved.
Description
Technical field
The utility model relates to heat dissipation technology field, in particular to a kind of cooling system and portable electric appts.
Background technology
When the manufacturing process of CPU and GPU rapidly improves, arithmetic capability has also obtained remarkable lifting.Meanwhile, the heat flow density of CPU and GPU is also multiplied.Therefore, heat dissipation problem becomes the key factor of its performance of restriction.
In correlation technique, in notebook computer, common cooling system comprises heat pipe, heat-conducting plate and three modules of fan, and dissipation of heat thermal source being produced by heat pipe is to heat-conducting plate, then is aided with fan and carries out hot-air conveying, reaches the effect of heat radiation.
But, when using fan to carry the hot-air in notebook, the air-flow producing when rotating due to fan is eddy airstream, and eddy airstream is when discharging, its kinetic energy rejection is larger, can cause its contained a large amount of heat to be accumulated in the exhaust outlet of notebook computer, and cause the exhaust outlet of notebook computer overheated.Therefore, in correlation technique, common its radiating effect of this cooling system is poor.
Utility model content
The purpose of this utility model is to provide a kind of cooling system, to solve the above problems.
A kind of cooling system is provided in embodiment of the present utility model, has comprised air pump, ventilation duct and air amplifier;
Described air amplifier is a hollow sleeve that comprises the first opening and the second opening, and on the inwall of described hollow sleeve, be provided with a circle perpendicular to described the first opening the groove to the direction of described the second opening;
One end of described ventilation duct is communicated with described air pump, and the other end is arranged on the sidewall of described hollow sleeve, and is communicated with described groove.
The cooling system that the utility model embodiment provides, can be arranged on the inside of notebook computer, and as the cooling system of notebook computer.Its principle of work is: after the acceleration of the air of notebook inside by air pump, from ventilation duct, transfer to air amplifier inside, because air amplifier is to have hollow sleeve shape, and on its inwall, be provided with a circle perpendicular to described the first opening the groove to the direction of described the second opening; Therefore, air-flow directly communicates with groove, and on groove, formed high velocity air (based on Coanda effect), in the process that high velocity air circulates in groove, can make to be in high velocity air ambient air in notebook computer inside and produce negative pressure, under the effect of pressure difference, be in air (the comprising high velocity air) meeting of notebook computer inside through air amplifier, and discharge with the form of direct current, and then reach the object of heat radiation.This cooling system that the utility model embodiment provides is compared with the mode with fan cooling traditional in prior art, because the air of notebook inside is that direct current is discharged, the air-flow that contains amount of heat is directly discharged to engine body exterior, its energy loss is little, can not cause the exhaust outlet of body to occur overheated phenomenon.Therefore, good heat dissipation effect.
In addition, this cooling system that the utility model embodiment provides, is far longer than the flow of effluent air from air pump through air amplifier the air mass flow that is discharged from, therefore, have better radiating effect.
Optionally, described hollow sleeve comprises two arch sheets and two stripe board; Described in one of them, one end of arch sheet is connected with one end of a described stripe board, and the other end is connected with one end of stripe board described in another; Described in another, the two ends of arch sheet are connected with the other end of two described stripe board respectively.
Optionally, described ventilation duct is from one end of being connected with described air pump to the direction convergent of the one end away from described air pump.
Optionally, described ventilation duct is arranged on described in one of them on arch sheet away from one end of described air pump.
Optionally, the thickness of the barrel of described hollow sleeve is gradually little to the direction of described the second opening from described the first opening.
Optionally, described groove is less than described the second opening to the distance of described groove to the distance of described the first opening.
Optionally, described air pump is positive displacement pump.
Optionally, described ventilation duct comprises isometrical straight tube and has the tapered tube of first mouth of pipe and second mouth of pipe; The external diameter of described first mouth of pipe is greater than the external diameter of described second mouth of pipe; Described first mouth of pipe is communicated with described air pump; Described second mouth of pipe is connected with one end of described isometrical straight tube, and the other end of described isometrical straight tube is arranged on described in one of them on arch sheet, and is communicated with described groove.
The embodiment of the present invention also provides a kind of portable electric appts, and described cooling system is installed in described portable electric appts.
Accompanying drawing explanation
The cooling system that Fig. 1 shows the utility model embodiment mono-to be provided is arranged on the schematic diagram on notebook computer;
Fig. 2 shows the schematic diagram of hollow sleeve in the cooling system that the utility model embodiment bis-provides.
Embodiment
Below by specific embodiment, also by reference to the accompanying drawings the utility model is described in further detail.
Embodiment mono-
Incorporated by reference to Fig. 1 and Fig. 2, a kind of cooling system is provided in embodiment of the present utility model, comprise air pump 101, ventilation duct 102 and air amplifier;
Air amplifier is a hollow sleeve 103 that comprises the first opening and the second opening, and on the inwall of hollow sleeve 103, be provided with a circle perpendicular to the first opening the groove 104 to the direction of the second opening;
One end of ventilation duct 102 is communicated with air pump 101, and the other end is arranged on the sidewall of hollow sleeve 103, and is communicated with groove 104.
The cooling system that the utility model embodiment provides, can be arranged on the inside of notebook computer, and as the cooling system of notebook computer.Its principle of work is: after the acceleration of the air of notebook inside by air pump 101, from ventilation duct 102, transfer to air amplifier inside, because air amplifier is to have hollow sleeve 103 shapes, and on its inwall, be provided with a circle perpendicular to the first opening the groove 104 to the direction of the second opening; Therefore, air-flow directly communicates with groove 104, and on groove 104, formed high velocity air (based on Coanda effect), in the process that high velocity air circulates in groove 104, can make to be in high velocity air ambient air in notebook computer inside and produce negative pressure, under the effect of pressure difference, be in air (the comprising high velocity air) meeting of notebook computer inside through air amplifier, and discharge with the form of direct current, and then reach the object of heat radiation.This cooling system that the utility model embodiment provides is compared with the mode with fan cooling traditional in prior art, because the air of notebook inside is that direct current is discharged, the air-flow that contains amount of heat is directly discharged to engine body exterior, its energy loss is little, can not cause the exhaust outlet 301 of body to occur overheated phenomenon.Therefore, good heat dissipation effect.
In addition, this cooling system that the utility model embodiment provides, is far longer than the flow of effluent air from air pump 101 through air amplifier the air mass flow that is discharged from, therefore, have better radiating effect.
In order to make the cooling system of the utility model embodiment mono-, better applied, more effectively be applied in the process of laptop radiating, the utility model also provides embodiment bis-on the basis of above-described embodiment one, embodiment bis-is further restriction and increases of cooling system that embodiment mono-is provided, now be described in detail and explain, please refer to Fig. 1 and Fig. 2:
Embodiment bis-
In the process of concrete operations, in order to make the radiating effect of cooling system better, what make as much as possible that the air of notebook inside can be a large amount of is discharged from, preferred, and structure and the shape of hollow sleeve 103 (being air amplifier) are made to following restriction:
Hollow sleeve 103 comprises two arch sheets 201 and two stripe board 202; One end of one of them arch sheet 201 is connected with one end of a stripe board 202, and the other end is connected with one end of another stripe board 202; The two ends of another arch sheet 201 are connected with the other end of two stripe board 202 respectively.
Like this, the xsect of whole hollow sleeve 103 (direction from the first opening to the second opening) is the shape of a similar racetrack, the gas that this shape is beneficial to output from air pump 101 on the one hand forms high velocity air, on the other hand, the air amplifier of this structure is also beneficial to the inside that is arranged on notebook computer, the as far as possible little space that takies notebook inside.Concrete, can be so that the second opening be relative with the exhaust outlet 301 on notebook body.
In addition, in the present embodiment, in order to guarantee to spread out of the mobility of the gas coming from air pump 101, make it have as much as possible higher flow velocity, so that at the interior formation high velocity air of groove 104.Preferably, ventilation duct 102 is from one end of being connected with air pump 101 to the direction convergent of the one end away from air pump 101.Like this, due to ventilation duct 102 images be a nozzle reducing to air amplifier from air pump 101, like this, from the gas of air pump 101 output, because meeting is strengthening flow velocity from the moment of ventilation duct 102 outputs, and then be beneficial to the formation of high velocity air.
It may be noted that, in the present embodiment, ventilation duct 102 can also have following structure: ventilation duct 102 comprises isometrical straight tube and has the tapered tube of first mouth of pipe and second mouth of pipe; The external diameter of first mouth of pipe is greater than the external diameter of second mouth of pipe; First mouth of pipe is communicated with air pump 101; Second mouth of pipe is connected with one end of isometrical straight tube, and the other end of isometrical straight tube is arranged on one of them arch sheet 201, and is communicated with groove 104.
Ventilation duct 102 based on said structure, by tapered tube, can realize the effect of accelerating from the air-flow of air pump 101 outputs, and isometrical straight tube is as transfer tube, its body to different specification size has good adaptability (the concrete size of isometrical straight tube is set according to concrete condition), and then makes the ventilation duct 102 of the present embodiment have higher adaptability.
In the present embodiment, due to the limited space of notebook computer inside, therefore should reasonably to the position relationship of air pump 101, hollow sleeve 103 and siphunculus pipe, make preferred restriction, and then reduce as much as possible taking up room of whole cooling system.In addition the air-flow in order to make this cooling system better to form high velocity air and to discharge from internal body based on Coanda effect.
Optionally, ventilation duct 102 is arranged on one of them arch sheet 201 away from one end of air pump 101, like this, air pump 101 and hollow sleeve 103 and snorkel are parallel settings in concrete setting, can well be along the direction setting that is parallel to the exhaust outlet 301 of body.And, from the gas of arch sheet 201 circulation its more easily along whole groove 104 high-speed motions.Therefore, the cooling system based on this position relationship has better radiating effect, and is also easy to be arranged on notebook computer inside.
In the process of cooling system heat radiation of using the present embodiment, when the gas of notebook inside is discharged from by hollow sleeve 103, in order to guarantee that a large amount of gas is discharged from simultaneously, preferably, hollow sleeve 103 should be arranged to similar trumpet-shaped shape from the first opening to the direction of the second opening, the real space of so a large amount of hollow sleeve 103 inside is larger, and then is beneficial to a large amount of gas and passes through.Concrete, in the present embodiment, the thickness of the barrel of hollow sleeve 103 is gradually little to the direction of the second opening from the first opening.
In addition, in the present embodiment, when the gas in air pump 101 is transported to groove 104 and forms high velocity air, for a large amount of gases in hollow sleeve 103 inner sides are discharged from, and then reach better radiating effect.Preferably, the distance of groove 104 to first openings is less than the second opening to the distance of groove 104.Like this, while forming high velocity air in groove 104, can there is pressure reduction in a large amount of air-flow in hollow sleeve 103 inner sides, and then enter air amplifier inside, and discharge from its second opening.
In addition, in the present embodiment, air pump 101 should be preferably the air pump 101 of small volume, is convenient to be arranged on notebook inside, and optional, air pump 101 is positive displacement pump.Positive displacement pump volume is little, flow is little, flow velocity is fast, is convenient to very much be arranged on the inside of notebook.
It is pointed out that in above-mentioned all embodiment, for the ease of understanding, for Fig. 2, an end opening relative with observer is defined as the second opening (not marking in figure), and the opening of the other end should be the first opening (not marking in figure) mutually.On the basis based on above-described embodiment, the utility model embodiment also provides a kind of portable electric appts, and the cooling system that above-mentioned arbitrary embodiment provides is installed in this portable electric appts.
In addition, this cooling system that the utility model embodiment provides also has under identical power input and has strengthened rate of air circulation, have better radiating effect, and power consumption is little; The velocity field of air-out is evenly distributed, and has reduced notebook computer possibility uneven in temperature; Dirigibility is high, does not exist conventional fan to be subject to the defect of exhaust outlet 301 restrictions.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a cooling system, is characterized in that, comprises air pump, ventilation duct and air amplifier;
Described air amplifier is a hollow sleeve that comprises the first opening and the second opening, and on the inwall of described hollow sleeve, be provided with a circle perpendicular to described the first opening the groove to the direction of described the second opening;
One end of described ventilation duct is communicated with described air pump, and the other end is arranged on the sidewall of described hollow sleeve, and is communicated with described groove.
2. cooling system according to claim 1, is characterized in that, described hollow sleeve comprises two arch sheets and two stripe board;
Described in one of them, one end of arch sheet is connected with one end of a described stripe board, and the other end is connected with one end of stripe board described in another; Described in another, the two ends of arch sheet are connected with the other end of two described stripe board respectively.
3. cooling system according to claim 2, is characterized in that, described ventilation duct is from one end of being connected with described air pump to the direction convergent of the one end away from described air pump.
4. cooling system according to claim 3, is characterized in that, described ventilation duct is arranged on described in one of them on arch sheet away from one end of described air pump.
5. according to the cooling system described in claim 1-4 any one, it is characterized in that, the thickness of the barrel of described hollow sleeve is gradually little to the direction of described the second opening from described the first opening.
6. cooling system according to claim 5, is characterized in that, described groove is less than described the second opening to the distance of described groove to the distance of described the first opening.
7. cooling system according to claim 6, is characterized in that, described air pump is positive displacement pump.
8. cooling system according to claim 2, is characterized in that, described ventilation duct comprises isometrical straight tube and has the tapered tube of first mouth of pipe and second mouth of pipe;
The external diameter of described first mouth of pipe is greater than the external diameter of described second mouth of pipe;
Described first mouth of pipe is communicated with described air pump; Described second mouth of pipe is connected with one end of described isometrical straight tube, and the other end of described isometrical straight tube is arranged on described in one of them on arch sheet, and is communicated with described groove.
9. a portable electric appts, is characterized in that, the cooling system described in any one in claim 1 to 8 is installed in described portable electric appts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420049003.XU CN203812177U (en) | 2014-01-24 | 2014-01-24 | Heat dissipation system and portable electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420049003.XU CN203812177U (en) | 2014-01-24 | 2014-01-24 | Heat dissipation system and portable electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203812177U true CN203812177U (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420049003.XU Expired - Fee Related CN203812177U (en) | 2014-01-24 | 2014-01-24 | Heat dissipation system and portable electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203812177U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744497A (en) * | 2014-01-24 | 2014-04-23 | 华北电力大学 | Cooling system |
| CN105159419A (en) * | 2015-10-13 | 2015-12-16 | 卫宇馨 | Dustproof heat dissipation case of computer |
-
2014
- 2014-01-24 CN CN201420049003.XU patent/CN203812177U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744497A (en) * | 2014-01-24 | 2014-04-23 | 华北电力大学 | Cooling system |
| CN103744497B (en) * | 2014-01-24 | 2017-09-19 | 华北电力大学 | A kind of cooling system |
| CN105159419A (en) * | 2015-10-13 | 2015-12-16 | 卫宇馨 | Dustproof heat dissipation case of computer |
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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: 20140903 Termination date: 20160124 |
|
| EXPY | Termination of patent right or utility model |