CN102348366A - Radiator - Google Patents

Radiator Download PDF

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Publication number
CN102348366A
CN102348366A CN2010102448476A CN201010244847A CN102348366A CN 102348366 A CN102348366 A CN 102348366A CN 2010102448476 A CN2010102448476 A CN 2010102448476A CN 201010244847 A CN201010244847 A CN 201010244847A CN 102348366 A CN102348366 A CN 102348366A
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CN
China
Prior art keywords
radiator
cover plate
heat radiation
radiation cover
dissipation base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2010102448476A
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Chinese (zh)
Inventor
李静
余美玲
姬升涛
魏新利
毛基森
刘孝东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONGGUAN WEIKAI METAL PRODUCTS FACTORY
South China University of Technology SCUT
Original Assignee
DONGGUAN WEIKAI METAL PRODUCTS FACTORY
South China University of Technology SCUT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DONGGUAN WEIKAI METAL PRODUCTS FACTORY, South China University of Technology SCUT filed Critical DONGGUAN WEIKAI METAL PRODUCTS FACTORY
Priority to CN2010102448476A priority Critical patent/CN102348366A/en
Publication of CN102348366A publication Critical patent/CN102348366A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a radiator, which comprises a radiation body and a radiation cover plate, wherein the radiation cover plate is positioned above the radiation body. The radiator is characterized in that: the radiation cover plate and the radiation body are integrally formed. The radiation cover plate and the radiation body are integrally formed, so that the radiation cover plate and the radiation body can share a set of mold to save the mold making cost of a dustproof cover, mounting steps and mounting material consumption for fixing screws, fasteners and the like at the same time, decrease time cost and improve production efficiency. Moreover, the radiation cover plate and the radiation body are integrally formed, and the radiation cover plate can absorb heat from the radiation body and realize radiation, so radiation performance is improved.

Description

Radiator
Technical field
The present invention relates to a kind of radiator of electronic product, relate in particular to a kind of radiator with cover plate.
Background technology
Traditional radiator generally is equipped with dust cap at an upper portion thereof, and this dust cap can prevent that dust from falling into radiator inside, to keep the inner cleaning of radiator, avoids dust accretions on radiator and reduce radiating efficiency.
Yet, although having realized preventing dust, the above-mentioned radiator that has dust cap falls into the inner function of radiator, it brings following shortcoming: and the first, prevent to cover and need open a mold manufacturing, this has increased the die sinking cost; The second, dust cap need be installed on above the radiator, and this has increased the installation procedure of radiator; The 3rd, need during installation by screw or snap fit on radiator, this has also increased consumptive material; The 4th, the die sinking of dust cap all takes time with installation, and this has increased time cost; The 5th, dust cap is installed on the radiating effect that has seriously reduced radiator on the radiator.
Therefore, the above-mentioned radiator that has dust cap has increased die sinking cost, installation cost, consumables cost and the time cost of dust cap, has also seriously reduced the radiating effect of radiator simultaneously.
Summary of the invention
The object of the present invention is to provide that a kind of installation procedure is few, cost is low, can enhance productivity and the radiator of heat dispersion.
For realizing above-mentioned purpose, comprise radiator and heat radiation cover plate, this heat radiation cover plate is positioned at the radiator top, and it is characterized in that: said heat radiation cover plate and said radiator are integrally formed.
As stated; Radiator of the present invention comprises radiator and heat radiation cover plate; The heat radiation cover plate is positioned at the radiator top, and heat radiation cover plate and radiator are integrally formed, compare with traditional radiator that dust cap is installed; Heat radiation cover plate and the shared mold of radiator; Saved the die sinking cost of dust cap, saved installation procedure, also saved fixed screw or buckle etc. simultaneously consumptive material is installed; Reduce time cost, improved production efficiency.Moreover heat radiation cover plate and radiator are integrally formed, and heat radiation cover plate itself also can improve heat dispersion from radiator heat absorption and heat radiation.
Preferably; Said radiator comprises that the upper surface of a heat dissipation base and said heat dissipation base extends upward some radiating fins of formation; All be formed with a chimney passage in these radiating fins between the adjacent radiating fin; Said heat radiation cover plate extends to form to another opposite side again after being extended upward by the said radiating fin that is positioned at marginal position; Said heat radiation cover plate hides said some radiating fins; Can prevent that rainwater, dust and birds droppings from getting into the chimney passage, guarantees the radiating effect and the useful life of radiator of the present invention.
Preferably; Said radiator comprises that the upper surface of a heat dissipation base and said heat dissipation base extends upward some radiating fins of formation; All be formed with a chimney passage in these radiating fins between the adjacent radiating fin; Said heat radiation cover plate extends to form to both sides respectively again after being extended upward by the radiating fin that mediates in said some radiating fins; Said heat radiation cover plate hides said some radiating fins; Can prevent that rainwater, dust and birds droppings from getting into the chimney passage, guarantees the radiating effect and the useful life of radiator of the present invention.
Preferably, said heat radiation cover plate is curved tabular, rainwater, dust and birds droppings etc. is taken advantage of a situation along arc fall, thereby prevent infiltrations such as rainwater, further guarantees the radiating effect and the useful life of radiator of the present invention.
Preferably; Said radiating fin bottom offers some air admission holes; These air admission holes and said chimney channel connection; The inside and outside convection effects of heat transfer medium air is strengthened greatly; Heat exchange coefficient increases, make that this radiator has that heat exchange area per unit volume is big, heat exchange evenly, good effect of heat exchange, characteristics that drag losses is little.
Preferably, the some air admission holes bottom the said radiating fin are horizontal.
Preferably, some air admission holes of said radiating fin bottom are circular hole, form convection current easily.
Preferably; Said heat dissipation base has extended to form a heat dissipation base extension to a side; The upper surface of this heat dissipation base extension extends upward and is formed with some radiating fins; All be formed with a chimney passage in these radiating fins between the adjacent radiating fin; Stretching out again after the radiating fin of the said close heat dissipation base extension that extends to form from heat dissipation base extends upward is formed with a heat radiation cover plate, and this heat radiation cover plate hides said some radiating fins that extends to form from the heat dissipation base extension.
Preferably, said some radiating fin bottoms that extends to form from the heat dissipation base extension offer some air admission holes, these air admission holes and said chimney channel connection.
Preferably, the material of said radiator is an aluminium alloy.
Description of drawings
Fig. 1 is the front view of radiator first embodiment of the present invention;
Fig. 2 is the left view of radiator shown in Figure 1;
Fig. 3 is the front view of radiator second embodiment of the present invention;
Fig. 4 is the left view of radiator shown in Figure 3.
Each description of reference numerals is following among the figure:
Radiator 100/200 radiator 10
Heat dissipation base 11 heat dissipation base extensions 111
Radiating fin 12 chimney passages 13
Air admission hole 14 heat radiation cover plates 20
Embodiment
By describing technology contents of the present invention, structural feature in detail, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.
See also Fig. 1 and Fig. 2, it has disclosed first embodiment of radiator 100 of the present invention, and radiator 100 of the present invention comprises a radiator 10 and a heat radiation cover plate 20, and heat radiation cover plate 20 is positioned at radiator 10 tops, and heat radiation cover plate 20 is integrally formed with radiator 10.
Radiator 10 comprises a heat dissipation base 11 and some radiating fins 12.Heat dissipation base 11 is roughly rectangular tabular.Some radiating fins 12 are that the upper surface from heat dissipation base 11 extends upward formation, vertically arrange, and are rectangular tabular.These radiating fins 12 be parallel to each other and adjacent radiating fin 12 between all be formed with a chimney passage 13, these radiating fins 12 have certain height, this height can make the chimney passage 13 of radiator 100 of the present invention produce good stack effect.Each radiating fin 12 bottom offers the air admission hole 14 that the plurality of rows level runs through; This air admission hole 14 can be circular hole, and this shape makes air form convection current easily, certainly; Air admission hole 14 also can be other shapes, for example ellipse, rectangle and other figures that be suitable for processing, that help air inlet etc.
In the present embodiment, the heat radiation cover plate 20 extend upward by the radiating fin 12 that mediates in some radiating fins 12 after again respectively to the left and right oblique the extending below in both sides form, this heat radiation cover plate 20 roughly curved tabular.Heat radiation cover plate 20 hides some radiating fins 12.
Certainly,, extend to form to another opposite side again after heat radiation cover plate 20 also can be extended upward by the radiating fin 12 that is positioned at marginal position, heat radiation cover plate 20 hides some radiating fins 12 in radiating fin 12 quantity comparatively after a little while.
Heat radiation cover plate 20 hides some radiating fins 12; Can guarantee that chimney passage 13 does not directly contact with outside air; Can prevent that rainwater, dust and birds droppings from getting into chimney passage 13; Can avoid rainwater, dust and birds droppings etc. to stop up chimney passage 13 and air admission hole 14; Guarantee the stability of chimney passage 13, air admission hole 14 and outside air convection current, thereby guarantee the radiating effect and the useful life of radiator 100 of the present invention.In addition; The 20 curved tabular designs of heat radiation cover plate; Rainwater, dust and birds droppings etc. are taken advantage of a situation along arc to be fallen; Thereby prevent infiltrations such as rainwater; Further avoid rainwater, dust and birds droppings etc. to stop up air admission hole 14 and said chimney passage 13, thereby further guarantee the radiating effect and the useful life of radiator 100 of the present invention.
Radiator 100 of the present invention during fabrication; The entire infrastructure radiator 10 that it comprises, heat dissipation base 11, radiating fin 12, heat radiation cover plate 20 etc. can be used a mold to accomplish and make; Its material can adopt that thermal transmission coefficient is high, corrosion-resistant, lightweight, economic aluminium alloy, also can adopt other highly heat-conductive materials certainly.
The radiator 100 of the present invention in operation, the thermal contact with the base 11 and the heating devices, heating devices for heat transfer to the heat sink base 11, base 11 cooling temperature, the heat radiating fins 12 with increasing temperature, the radiator 100 of the chimney channel 13 air from the cooling heat-transfer medium 11 and the base 12 to absorb heat radiation fins, the chimney heat medium passage 13 and a density of air temperature becomes small, the temperature higher than the outside air temperature, and due to the buoyancy and upward mobility, ie along the cooling fins 12 flows upward and take away a lot of heat, thus completing the cooling process; chimney passage 13 air due to the heat transfer medium flows upward buoyancy, the air inside the chimney passage 13 of the heat transfer medium reduced pressure, the pressure is lower than outside air pressure; external high pressure air from the bottom and the sides of the chimney passage 13 through the inlet 14 into the chimney cooling fins 12 within the channel 13, the absorption cooling pad 11 and the heat radiating fins 12 , thus completing the process of heat absorption, the absorption process heat and cooling process continuously cycles, so that the heat transfer medium air cooler 100 according to internal and external air pressure for enhanced convection heat transfer capabilities, complete cooling.
Radiator 100 of the present invention utilizes air as heat-transfer working medium; The temperature difference according to heat transfer medium air in the chimney passage 13 of radiator 100 and outside air existence; Make radiator 100 inside and outside air produce density contrast; Owing to the buoyancy pressure difference that flows and then produce that makes progress comes driving gas to flow; Promptly the stack effect that forms by air admission hole 14 and chimney passage 13 is accomplished the heat convection of radiator 100 inner air and outer air; This heat convection is to strengthen heat convection automatically; It distributes the heater members heat under the effect of no external energy; Do not need extraneous any energy to supply with; Compare with other radiators; Be a kind of radiator of energy free cost, have characteristics energy-efficient, environmental protection.
In addition, radiator 100 of the present invention structurally utilizes chimney passage 13 and the air admission hole of on radiating fin 12, establishing 14 to realize strengthening automatically the heat convection function, and is not only simple in structure, and radiating effect is good.
Radiator 100 of the present invention is extraneous mobile to low temperature by high temperature heat sink 100 inside by the chimney passage 13 with stack effect caliber ratio through the heat transfer medium air; Some air admission holes 14 of radiating fin 12 bottoms are communicated with chimney passage 13; Thereby the inside and outside convection effects of heat transfer medium air is strengthened greatly; Heat exchange coefficient increases; It is big to make this radiator 100 have heat exchange area per unit volume; Heat exchange is even; Good effect of heat exchange; The characteristics that drag losses is little; When playing forced heat-exchanging, save additionaling power parts (like fan etc.); Therefore, this radiator 100 is a kind of energy-efficient radiators.
See also Fig. 3 and Fig. 4; It has disclosed second embodiment of radiator 200 of the present invention; This embodiment forms on the basis of first embodiment; Comprise radiator 10; Heat dissipation base 11; Radiating fin 12; Chimney passage 13; Air admission hole 14 and heat radiation cover plate 20; Its difference is: radiating bottom plate about 11 two all stretches out to a side and is formed with two 1 radiating bottom plate extensions 111; The upper surface of this two radiating bottom plates extension 111 extends upward and is formed with some radiating fins 112; All be formed with a chimney passage 113 in these radiating fins 112 between the adjacent radiating fin 112; Outwards oblique again extending below was formed with a heat radiation cover plate 20 after the radiating fin 12 of the close heat dissipation base extension 111 that extends to form from heat dissipation base 11 extended upward; This heat radiation cover plate 20 is curved tabular, and this heat radiation cover plate 20 hides some radiating fins 12 that extend to form from heat dissipation base extension 111.
The function and the effect of the some radiating fins 12 of cover plate 20 coverings of dispelling the heat the function that this heat radiation cover plate 20 hides some radiating fins 12 that extend to form from heat dissipation base extension 111 and effect and first embodiment is identical, repeats no more at this.In like manner, the 20 curved tabular designs of heat radiation cover plate are also identical with the function and the effect of the 20 curved tabular designs of heat radiation cover plate among first embodiment.
Some radiating fin 12 bottoms that extended out by heat dissipation base extension 111 all offer the air admission hole 14 that the plurality of rows level runs through; These air admission holes 14 are communicated with chimney passage 13 and connect with the air admission hole of heat dissipation base 11 top radiating fins 12 about 14; This makes things convenient for outside air to get into heat dissipation channel 13 smoothly; Guarantee the inside and outside convection effects of heat transfer medium air, thereby guaranteed radiating effect.In addition, these air admission holes 14 are identical with the function of the air admission hole 14 of heat dissipation base 11 top radiating fins 12.
In like manner; Radiator 200 of the present invention utilizes air as heat-transfer working medium; Accomplish the automatic heat convection of radiator 100 inner air and outer air through the stack effect of heat dissipation base 11, heat dissipation base extension 111, radiating fin 12, chimney passage 13 and air admission hole 14 formation; Guarantee radiating effect, it is identical with the function of heat dissipation base 11, radiating fin 12, chimney passage 13, air admission hole 14 among first embodiment.
Second embodiment of the present invention radiator 200 is applicable to the radiator that radiating fin 12 is more relatively, forms two stepped heat radiation cover plates 20 of arranging, and rainwater on the higher heat radiation cover plate 20 in position etc. can be taken advantage of a situation and fallen on the lower heat radiation cover plate 20 in position.
First embodiment of the present invention radiator 100 is applicable to the less relatively radiator of radiating fin 12 100, and it can only hide all radiating fins 12 with a tabular heat radiation lid 20 of arc.
In sum; Radiator 100 of the present invention comprises radiator 10 and heat radiation cover plate 20; Heat radiation cover plate 20 is positioned at radiator 10 tops, and heat radiation cover plate 20 is integrally formed with radiator 10, compares with traditional radiator that dust cap is installed; Heat radiation cover plate 20 and radiator 10 shared molds; Saved the die sinking cost of dust cap, saved installation procedure, also saved fixed screw or buckle etc. simultaneously consumptive material is installed; Reduce time cost, improved production efficiency.Moreover heat radiation cover plate 20 is integrally formed with radiator 10, and heat radiation cover plate 20 itself also can improve heat dispersion from radiator 10 heat absorptions and heat radiation.
Above disclosed only is preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.

Claims (10)

1. a radiator comprises radiator and heat radiation cover plate, and this heat radiation cover plate is positioned at the radiator top, and it is characterized in that: said heat radiation cover plate and said radiator are integrally formed.
2. radiator as claimed in claim 1; It is characterized in that: said radiator comprises that the upper surface of a heat dissipation base and said heat dissipation base extends upward some radiating fins of formation; All be formed with a chimney passage in these radiating fins between the adjacent radiating fin; Said heat radiation cover plate extends to form to another opposite side again after being extended upward by the said radiating fin that is positioned at marginal position, and said heat radiation cover plate hides said some radiating fins.
3. radiator as claimed in claim 1; It is characterized in that: said radiator comprises that the upper surface of a heat dissipation base and said heat dissipation base extends upward some radiating fins of formation; All be formed with a chimney passage in these radiating fins between the adjacent radiating fin; Said heat radiation cover plate extends to form to both sides respectively again after being extended upward by the radiating fin that mediates in said some radiating fins, and said heat radiation cover plate hides said some radiating fins.
4. radiator as claimed in claim 3 is characterized in that: said heat radiation cover plate is curved tabular.
5. radiator as claimed in claim 3 is characterized in that: said radiating fin bottom offers some air admission holes, these air admission holes and said chimney channel connection.
6. radiator as claimed in claim 3 is characterized in that: some air admission holes of said radiating fin bottom are horizontal.
7. radiator as claimed in claim 3 is characterized in that: some air admission holes of said radiating fin bottom are circular hole.
8. radiator as claimed in claim 3; It is characterized in that: said heat dissipation base has extended to form a heat dissipation base extension to a side; The upper surface of this heat dissipation base extension extends upward and is formed with some radiating fins; All be formed with a chimney passage in these radiating fins between the adjacent radiating fin; Stretching out again after the radiating fin of the said close heat dissipation base extension that extends to form from heat dissipation base extends upward is formed with a heat radiation cover plate, and this heat radiation cover plate hides said some radiating fins that extends to form from the heat dissipation base extension.
9. radiator as claimed in claim 8 is characterized in that: said some radiating fin bottoms that extend to form from the heat dissipation base extension offer some air admission holes, these air admission holes and said chimney channel connection.
10. radiator as claimed in claim 1 is characterized in that: the material of said radiator is an aluminium alloy.
CN2010102448476A 2010-07-25 2010-07-25 Radiator Pending CN102348366A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102448476A CN102348366A (en) 2010-07-25 2010-07-25 Radiator

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Application Number Priority Date Filing Date Title
CN2010102448476A CN102348366A (en) 2010-07-25 2010-07-25 Radiator

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102984921A (en) * 2012-11-02 2013-03-20 惠州市德赛西威汽车电子有限公司 Power amplification radiator with stack effect
CN104427829A (en) * 2013-09-05 2015-03-18 中央大学 Cooling system adopting passive heat discharge structure
CN105392342A (en) * 2015-11-30 2016-03-09 利亚德光电股份有限公司 Heat dissipating device and LED device having same
CN112332588A (en) * 2020-10-26 2021-02-05 中车大连机车研究所有限公司 Motor end cover radiator
CN112739156A (en) * 2020-12-09 2021-04-30 阳光电源股份有限公司 Heat dissipation module, radiator and power equipment
US11512910B2 (en) * 2020-10-28 2022-11-29 National Tsing Hua University Heat dissipation device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6269003B1 (en) * 1999-12-27 2001-07-31 Wei Wen-Chen Heat dissipater structure
CN101469819A (en) * 2007-12-27 2009-07-01 富准精密工业(深圳)有限公司 LED lamp
CN201401763Y (en) * 2009-03-18 2010-02-10 刘国维 LED road lamp for easy heat dissipation and dust prevention
CN201526880U (en) * 2009-10-16 2010-07-14 深圳市富达金光电科技有限公司 High-power LED road lamp
CN201680240U (en) * 2010-04-26 2010-12-22 企达工业(南京)有限公司 LED streetlamp with novel structure
CN201813648U (en) * 2010-07-25 2011-04-27 东莞市为开金属制品厂 Radiator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6269003B1 (en) * 1999-12-27 2001-07-31 Wei Wen-Chen Heat dissipater structure
CN101469819A (en) * 2007-12-27 2009-07-01 富准精密工业(深圳)有限公司 LED lamp
CN201401763Y (en) * 2009-03-18 2010-02-10 刘国维 LED road lamp for easy heat dissipation and dust prevention
CN201526880U (en) * 2009-10-16 2010-07-14 深圳市富达金光电科技有限公司 High-power LED road lamp
CN201680240U (en) * 2010-04-26 2010-12-22 企达工业(南京)有限公司 LED streetlamp with novel structure
CN201813648U (en) * 2010-07-25 2011-04-27 东莞市为开金属制品厂 Radiator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102984921A (en) * 2012-11-02 2013-03-20 惠州市德赛西威汽车电子有限公司 Power amplification radiator with stack effect
CN102984921B (en) * 2012-11-02 2016-06-22 惠州市德赛西威汽车电子股份有限公司 A kind of power discharging radiator with stack effect
CN104427829A (en) * 2013-09-05 2015-03-18 中央大学 Cooling system adopting passive heat discharge structure
CN105392342A (en) * 2015-11-30 2016-03-09 利亚德光电股份有限公司 Heat dissipating device and LED device having same
CN105392342B (en) * 2015-11-30 2019-09-06 利亚德光电股份有限公司 Radiator and LED matrix with it
CN112332588A (en) * 2020-10-26 2021-02-05 中车大连机车研究所有限公司 Motor end cover radiator
US11512910B2 (en) * 2020-10-28 2022-11-29 National Tsing Hua University Heat dissipation device
CN112739156A (en) * 2020-12-09 2021-04-30 阳光电源股份有限公司 Heat dissipation module, radiator and power equipment

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Application publication date: 20120208