US20040228085A1 - Cool air-supplying device for a computer system - Google Patents
Cool air-supplying device for a computer system Download PDFInfo
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- US20040228085A1 US20040228085A1 US10/249,891 US24989103A US2004228085A1 US 20040228085 A1 US20040228085 A1 US 20040228085A1 US 24989103 A US24989103 A US 24989103A US 2004228085 A1 US2004228085 A1 US 2004228085A1
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- supplying device
- air
- cool air
- computer system
- housing
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- 239000003507 refrigerant Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 18
- 230000017525 heat dissipation Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
Definitions
- the present invention relates to a cool air-supplying device for a computer system, and more particularly, to a cool air-supplying device that cools air using a thermoelectric cooler.
- Taiwan Patent Number 432274 shows a heat dissipation device docking to a mobile computer and includes a thermal pad for transferring heat from the computer system to the heat dissipation device by thermal conduction where the heat is then dissipated. But this prior art has defects of the contact problem, the pad material and structural problem, and the material fatigue problem.
- Taiwan Patent Number 493857 discloses a heat dissipation device including several fans for expelling heat from a notebook. But this prior art is limited to sucking air from the bottom case for cooling the bottom case directly but not the hot component, which leads to inefficient cooling design, and tends to be noisy to the discomfort of the user.
- a cool air-supplying device for a computer system includes a computer apparatus and the computer apparatus includes a housing.
- the cool air-supplying device includes a casing connected to the housing of the computer system and the casing has an intake vent for receiving air and an outlet vent for outputting air.
- the cool air-supplying device further includes a thermoelectric cooler for cooling refrigerantwithin a heat pipe, the heat pipe installed inside the casing for transferring refrigerant cooled by the thermoelectric cooler to the outlet vent, and a first fan installed at one end of the heat pipe for transferring air cooled by the heat pipe to the housing of the computer system via the outlet vent.
- the cool air-supplying device can dissipate more heat from the computer system as a whole and can be separated from the computer system. Users can use the computer with the cool air-supplying device attached while at home or in the office and can separate the cool air-supplying device when in transit. Since current design is a non-contact thermal solution, it does not have the defects the prior art has.
- FIG. 1 is an exploded view of a notebook computer system according to the present invention.
- FIG. 2 is a perspective view of the notebook computer system according to the present invention.
- FIG. 3 is a top view of the notebook computer system according to the present invention.
- FIG. 4 is a cross-sectional view of the notebook computer system along the line 4 - 4 in FIG. 3.
- FIG. 5 and FIG. 6 are exploded views of the cooling module in the cool air-supplying device of FIG. 1.
- FIG. 7 is a exploded front view of a tablet computer system according to the present invention.
- FIG. 8 is a exploded back view of the tablet computer system shown in FIG. 7.
- FIG. 9 is a perspective view of the tablet computer system shown in FIG. 7.
- FIG. 1 is an exploded diagram of a notebook computer system 8 according to the present invention.
- FIG. 2 is a perspective diagram of the notebook computer system 8 according to the present invention.
- FIG. 3 is a top view of the notebook computer system 8 according to the present invention.
- FIG. 4 is a cross-sectional view of the notebook computer system 8 along the line 4 - 4 in FIG. 3.
- the notebook computer system 8 includes a notebook computer apparatus 10
- the notebook computer apparatus 10 includes a housing 12 .
- a first intake vent 14 is installed on the housing 12 and is used for air intake to the housing 12 .
- the notebook computer system 8 further includes a cool air-supplying device 16 installed under the housing 12 of the notebook computer apparatus 10 .
- the cool-air supplying device 16 can be located in a different position depending on different first intake vent 14 positions of the notebook computer apparatus 10 .
- the cool air-supplying device 16 can be located on the back or side of the notebook computer apparatus 10 .
- the following description of the preferred embodiment of the present invention is based on the cool air-supplying device 16 being installed under the housing 12 of the notebook computer apparatus 10 .
- the cool-air supplying device 16 includes a casing 18 with a second intake vent 20 for air intake and an outlet vent 22 installed on the top of the casing 18 for outputting air into the housing 12 of the notebook computer apparatus 10 via the first intake vent 14 .
- the first intake vent 14 which is for inputting cold air from the cool air-supplying device 16 into the housing 12 of the notebook computer apparatus 10 , is opposite the outlet vent 22 of the cool air-supplying device 16 .
- the air intake is from the second intake vent 20 of the cool air-supplying device 16 and the air is output via the outlet vent 22 .
- the air convection helps the cool air-supplying device 16 dissipate heat.
- the cool air-supplying device 16 further includes a cooling module 24 for cooling the air received via the second intake vent 20 and outputting the air via the outlet vent 22 .
- the cool air-supplying device 16 is capable of in-taking external air, cooling the air, and outputting the cooled air into the notebook computer apparatus 10 achieving better heat dissipation by forced convection of cooled air.
- FIG. 5 and FIG. 6 are exploded diagrams of the cooling module in the cool air-supplying device.
- the cooling module 24 includes a thermoelectric cooler 28 for cooling a refrigerant and two heat pipes for transferring the refrigerant cooled by the thermoelectric cooler 28 to the outlet vent 22 .
- a cold end of the thermoelectric cooler 28 is connected to a first end P 1 of the heat pipe 26 .
- the cooling module 24 further includes a first fan 30 installed at a second end P 2 of the heat pipe 26 for transferring the air cooled by the heat pipe 26 into the housing 12 of the notebook computer apparatus 10 via the outlet vent 22 .
- a heat sink 32 with a plurality of fins 34 for increasing the heat-dissipating area.
- the heat sink 32 is connected to a hot end of the thermoelectric cooler 28 for dissipating heat from the hot end of the thermoelectric cooler 28 .
- a second fan 36 is installedon heat sink 32 for forcing air to cool down the thermoelectric cooler 28 .
- the operational principle of the cool air-supplying device 16 is as follows: using the second fan 36 to cool down the heat generated by the thermoelectric cooler 28 , transferring the refrigerant cooled by the thermoelectric cooler 28 from the first end P 1 to the second end P 2 of the heat pipe 26 in order to cool the air around the first fan 30 , and using the first fan 30 to output the cooled air via the outlet vent 22 on the top of the casing 18 through the first intake vent 14 on the bottom of the housing 12 and into the notebook computer apparatus 10 .
- the first intake vent 14 in FIG. 1, which is for inputting air from the cool air-supplying device 16 into the housing 12 of the notebook computer apparatus 10 is opposite the outlet vent 22 of the cool air-supplying device 16 in order to achieve the best heat dissipation by forced convection of cooled air.
- FIG. 7 is an exploded front view of a tablet computer system 48 .
- FIG. 8 is an exploded back view of the tablet computer system 48 .
- FIG. 9 is a perspective view of the tablet computer system 48 .
- the tablet computer system 48 includes a tablet computer apparatus 50
- the tablet computer apparatus 50 includes a housing 52 .
- a first intake vent 54 is installed on the housing 52 and used for receiving air into the housing 52 .
- the tablet computer apparatus 50 is positioned above a cool air-supplying device 56 . Similar to the previous embodiment, the cool air-supplying device 56 could be located in a different position if the first intake vent 54 of the tablet computer apparatus 50 is in a different position.
- the cool air-supplying device 56 could be located on the back or side of the tablet computer apparatus 50 .
- the following description of the preferred embodiment according to the present invention is based on the cool air-supplying device 56 being installed under the housing 52 of the tablet computer apparatus 50 .
- the cool air-supplying device 56 includes a casing 58 with a second intake vent 60 for air intake and an outlet vent 62 for outputting air into the housing 52 of the tablet computer apparatus 50 via the first intake vent 54 .
- the first intake vent 54 which receives air from the cool air-supplying device 56 into the housing 52 of the tablet computer apparatus 50 , is opposite the outlet vent 52 of the cool air-supplying device 56 .
- Air intake is from the second intake vent 60 of the cool air-supplying device 56 and is output via the outlet vent 62 .
- the air convection helps the cool air-supplying device 56 to dissipate the heat.
- the cool air-supplying device 56 further includes the cooling module 24 for cooling the air received via the second intake vent 60 and outputting the air via the outlet vent 62 .
- the structure and operational principle of the cooling module 24 is the same as previously described and shown in FIG. 5 and FIG. 6.
- the operational principle of the cool air-supplying device 56 is similar to the previous embodiment and is described as follows: using the second fan 36 to cool down the heat generated by the thermoelectric cooler 28 , transferring the refrigerant cooled by the thermoelectric cooler 28 from the first end P 1 to the second end P 2 of the heat pipe 26 in order to cool the air around the first fan 30 , and using the first fan 30 to output the cooled air via the outlet vent 62 of the casing 58 to the first intake vent 54 of the housing 52 and into the tablet computer apparatus 50 .
- the first intake vent 54 in FIG. 7, which is for inputting air from the cool air-supplying device 56 into the tablet computer apparatus 50 is opposite the outlet vent 62 of the cool air-supplying device 56 to achieve the best heat dissipation by forced convection of cooled air.
- the present invention cool air-supplying device can dissipate more heat from the computer system as a whole than can thermal conduction used alone.
- the present invention can be separated from the computer system so that users can use the computer with the cool air-supplying device attached at home or in the office and can separate the cool air-supplying device when in transit.
Abstract
Description
- 1. Field of the Invention
- The present invention relates to a cool air-supplying device for a computer system, and more particularly, to a cool air-supplying device that cools air using a thermoelectric cooler.
- 2. Description of the Prior Art
- With the rapid development of information technology, computer systems are playing an important role in modernizing many companies and are now widely used in practically every industry. Due to the increase in data storage density, the improvement in operational speed, and the decrease in production costs, the manufacturing of portable computers has become a mainstream business in the computer industry.
- When designing portable computers, dissipating unwanted heat is one of the most important problems to consider. In general, the source of most of the heat is the central processing unit (CPU). For this reason, heat dissipation systems in portable computers are mainly designed to expel the heat generated by the CPU. Along with improvements in system performance, increasing the operational speed of the CPU also increases the temperature of the PC components and the computer system. A poorly designed heat dissipation system may render the computer unstable at high temperatures and could even cause physical injury to users.
- There are many methods for heat dissipation used on various portable computers and mobile communication devices. However, these prior solutions cannot be used to dissipate the ever increasing heat resulting from increases in the CPU speed and related components. Many new thermal technologies have come out to try and solve this problem. For example, Hitachi applies a water-cooled system for notebooks instead of the traditionalfan based air-cooling methods. But there are still many problems with the water-cooled system, including the weight, size, reliability of the water pipe, risk of water leaking, etc. Because traditional air-cooling methods used alone are not practical to provide a better thermal solution and applying a totally new thermal solution is problematic, using an air-cooling system combined with an additional heat dissipation device is the best choice.
- Embedding an additional heat dissipation device requires enough space for dissipating heat and causes increased weight, size, and power consumption. This disobeys the developing trend of mobile devices which tend to be thin and light. A heat dissipation device outside the mobile device can avoid this limitation and yet achieve the required heat dissipation. Taiwan Patent Number 432274 shows a heat dissipation device docking to a mobile computer and includes a thermal pad for transferring heat from the computer system to the heat dissipation device by thermal conduction where the heat is then dissipated. But this prior art has defects of the contact problem, the pad material and structural problem, and the material fatigue problem. In addition, Taiwan Patent Number 493857 discloses a heat dissipation device including several fans for expelling heat from a notebook. But this prior art is limited to sucking air from the bottom case for cooling the bottom case directly but not the hot component, which leads to inefficient cooling design, and tends to be noisy to the discomfort of the user.
- It is therefore a primary objective of the claimed invention to provide a cool air-supplying device for a computer system to solve the above-mentioned problems.
- According to the claimed invention, a cool air-supplying device for a computer system is disclosed. The computer system includes a computer apparatus and the computer apparatus includes a housing. The cool air-supplying device includes a casing connected to the housing of the computer system and the casing has an intake vent for receiving air and an outlet vent for outputting air. The cool air-supplying device further includes a thermoelectric cooler for cooling refrigerantwithin a heat pipe, the heat pipe installed inside the casing for transferring refrigerant cooled by the thermoelectric cooler to the outlet vent, and a first fan installed at one end of the heat pipe for transferring air cooled by the heat pipe to the housing of the computer system via the outlet vent.
- It is an advantage of the claimed invention that the cool air-supplying device can dissipate more heat from the computer system as a whole and can be separated from the computer system. Users can use the computer with the cool air-supplying device attached while at home or in the office and can separate the cool air-supplying device when in transit. Since current design is a non-contact thermal solution, it does not have the defects the prior art has.
- These and other objectives of the claimed invention will no doubt become obvious to those of ordinary skill in the art after reading the following detailed description of the preferred embodiment, which is illustrated in the various figures and drawings.
- FIG. 1 is an exploded view of a notebook computer system according to the present invention.
- FIG. 2 is a perspective view of the notebook computer system according to the present invention.
- FIG. 3 is a top view of the notebook computer system according to the present invention.
- FIG. 4 is a cross-sectional view of the notebook computer system along the line4-4 in FIG. 3.
- FIG. 5 and FIG. 6 are exploded views of the cooling module in the cool air-supplying device of FIG. 1.
- FIG. 7 is a exploded front view of a tablet computer system according to the present invention.
- FIG. 8 is a exploded back view of the tablet computer system shown in FIG. 7.
- FIG. 9 is a perspective view of the tablet computer system shown in FIG. 7.
- Please refer to FIG. 1, FIG. 2, FIG. 3, and FIG. 4. FIG. 1 is an exploded diagram of a
notebook computer system 8 according to the present invention. FIG. 2 is a perspective diagram of thenotebook computer system 8 according to the present invention. FIG. 3 is a top view of thenotebook computer system 8 according to the present invention. FIG. 4 is a cross-sectional view of thenotebook computer system 8 along the line 4-4 in FIG. 3. In FIG. 1 thenotebook computer system 8 includes anotebook computer apparatus 10, and thenotebook computer apparatus 10 includes ahousing 12. Afirst intake vent 14 is installed on thehousing 12 and is used for air intake to thehousing 12. Thenotebook computer system 8 further includes a cool air-supplyingdevice 16 installed under thehousing 12 of thenotebook computer apparatus 10. The cool-air supplying device 16 can be located in a different position depending on differentfirst intake vent 14 positions of thenotebook computer apparatus 10. For example, the cool air-supplyingdevice 16 can be located on the back or side of thenotebook computer apparatus 10. The following description of the preferred embodiment of the present invention is based on the cool air-supplyingdevice 16 being installed under thehousing 12 of thenotebook computer apparatus 10. The cool-air supplying device 16 includes acasing 18 with asecond intake vent 20 for air intake and anoutlet vent 22 installed on the top of thecasing 18 for outputting air into thehousing 12 of thenotebook computer apparatus 10 via thefirst intake vent 14. Thefirst intake vent 14, which is for inputting cold air from the cool air-supplyingdevice 16 into thehousing 12 of thenotebook computer apparatus 10, is opposite theoutlet vent 22 of the cool air-supplying device 16. The air intake is from thesecond intake vent 20 of the cool air-supplying device 16 and the air is output via theoutlet vent 22. The air convection helps the cool air-supplyingdevice 16 dissipate heat. The cool air-supplying device 16 further includes acooling module 24 for cooling the air received via thesecond intake vent 20 and outputting the air via theoutlet vent 22. The cool air-supplyingdevice 16 is capable of in-taking external air, cooling the air, and outputting the cooled air into thenotebook computer apparatus 10 achieving better heat dissipation by forced convection of cooled air. - Please refer to FIG. 5 and FIG. 6. FIG. 5 and FIG. 6 are exploded diagrams of the cooling module in the cool air-supplying device. The
cooling module 24 includes athermoelectric cooler 28 for cooling a refrigerant and two heat pipes for transferring the refrigerant cooled by the thermoelectric cooler 28 to theoutlet vent 22. A cold end of thethermoelectric cooler 28 is connected to a first end P1 of theheat pipe 26. Thecooling module 24 further includes afirst fan 30 installed at a second end P2 of theheat pipe 26 for transferring the air cooled by theheat pipe 26 into thehousing 12 of thenotebook computer apparatus 10 via theoutlet vent 22. Also included is aheat sink 32 with a plurality offins 34 for increasing the heat-dissipating area. Theheat sink 32 is connected to a hot end of thethermoelectric cooler 28 for dissipating heat from the hot end of thethermoelectric cooler 28. Asecond fan 36 isinstalledon heat sink 32 for forcing air to cool down thethermoelectric cooler 28. - The operational principle of the cool air-supplying
device 16 is as follows: using thesecond fan 36 to cool down the heat generated by thethermoelectric cooler 28, transferring the refrigerant cooled by the thermoelectric cooler 28 from the first end P1 to the second end P2 of theheat pipe 26 in order to cool the air around thefirst fan 30, and using thefirst fan 30 to output the cooled air via theoutlet vent 22 on the top of thecasing 18 through thefirst intake vent 14 on the bottom of thehousing 12 and into thenotebook computer apparatus 10. Thefirst intake vent 14 in FIG. 1, which is for inputting air from the cool air-supplyingdevice 16 into thehousing 12 of thenotebook computer apparatus 10, is opposite theoutlet vent 22 of the cool air-supplyingdevice 16 in order to achieve the best heat dissipation by forced convection of cooled air. - Please refer to FIG. 7, FIG. 8, and FIG. 9. FIG. 7 is an exploded front view of a
tablet computer system 48. FIG. 8 is an exploded back view of thetablet computer system 48. FIG. 9 is a perspective view of thetablet computer system 48. In FIG. 7 and FIG. 8 thetablet computer system 48 includes atablet computer apparatus 50, and thetablet computer apparatus 50 includes ahousing 52. Afirst intake vent 54 is installed on thehousing 52 and used for receiving air into thehousing 52. Thetablet computer apparatus 50 is positioned above a cool air-supplyingdevice 56. Similar to the previous embodiment, the cool air-supplyingdevice 56 could be located in a different position if thefirst intake vent 54 of thetablet computer apparatus 50 is in a different position. For example, the cool air-supplyingdevice 56 could be located on the back or side of thetablet computer apparatus 50. The following description of the preferred embodiment according to the present invention is based on the cool air-supplyingdevice 56 being installed under thehousing 52 of thetablet computer apparatus 50. The cool air-supplyingdevice 56 includes acasing 58 with asecond intake vent 60 for air intake and anoutlet vent 62 for outputting air into thehousing 52 of thetablet computer apparatus 50 via thefirst intake vent 54. Thefirst intake vent 54, which receives air from the cool air-supplyingdevice 56 into thehousing 52 of thetablet computer apparatus 50, is opposite theoutlet vent 52 of the cool air-supplyingdevice 56. Air intake is from thesecond intake vent 60 of the cool air-supplyingdevice 56 and is output via theoutlet vent 62. The air convection helps the cool air-supplyingdevice 56 to dissipate the heat. The cool air-supplyingdevice 56 further includes thecooling module 24 for cooling the air received via thesecond intake vent 60 and outputting the air via theoutlet vent 62. The structure and operational principle of thecooling module 24 is the same as previously described and shown in FIG. 5 and FIG. 6. - The operational principle of the cool air-supplying
device 56 is similar to the previous embodiment and is described as follows: using thesecond fan 36 to cool down the heat generated by thethermoelectric cooler 28, transferring the refrigerant cooled by the thermoelectric cooler 28 from the first end P1 to the second end P2 of theheat pipe 26 in order to cool the air around thefirst fan 30, and using thefirst fan 30 to output the cooled air via theoutlet vent 62 of thecasing 58 to thefirst intake vent 54 of thehousing 52 and into thetablet computer apparatus 50. Thefirst intake vent 54 in FIG. 7, which is for inputting air from the cool air-supplyingdevice 56 into thetablet computer apparatus 50, is opposite theoutlet vent 62 of the cool air-supplyingdevice 56 to achieve the best heat dissipation by forced convection of cooled air. - In contrast to the prior art, the present invention cool air-supplying device can dissipate more heat from the computer system as a whole than can thermal conduction used alone. In addition, the present invention can be separated from the computer system so that users can use the computer with the cool air-supplying device attached at home or in the office and can separate the cool air-supplying device when in transit.
- Those skilled in the art will readily observe that numerous modifications and alterations of the device may be made while retaining the teachings of the invention. Accordingly, the above disclosure should be construed as limited only by the metes and bounds of the appended claims.
Claims (6)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US10/249,891 US6826047B1 (en) | 2003-05-15 | 2003-05-15 | Cool air-supplying device for a computer system |
GB0313224A GB2402812B (en) | 2003-05-15 | 2003-06-09 | Cool air-supplying device for a computer system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US10/249,891 US6826047B1 (en) | 2003-05-15 | 2003-05-15 | Cool air-supplying device for a computer system |
GB0313224A GB2402812B (en) | 2003-05-15 | 2003-06-09 | Cool air-supplying device for a computer system |
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US20040228085A1 true US20040228085A1 (en) | 2004-11-18 |
US6826047B1 US6826047B1 (en) | 2004-11-30 |
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US20180101203A1 (en) * | 2016-10-06 | 2018-04-12 | Line Holding Limited | Active thermoelectric cooling pad with infrared thermal sensor |
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US20220377932A1 (en) * | 2021-05-21 | 2022-11-24 | Xihua Zhong | Notebook cooler with pressurizing function |
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Also Published As
Publication number | Publication date |
---|---|
GB2402812B (en) | 2006-07-26 |
US6826047B1 (en) | 2004-11-30 |
GB2402812A (en) | 2004-12-15 |
GB0313224D0 (en) | 2003-07-16 |
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