CN103596636A - Heat dissipator and communication device - Google Patents

Heat dissipator and communication device Download PDF

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Publication number
CN103596636A
CN103596636A CN201280015551.4A CN201280015551A CN103596636A CN 103596636 A CN103596636 A CN 103596636A CN 201280015551 A CN201280015551 A CN 201280015551A CN 103596636 A CN103596636 A CN 103596636A
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CN
China
Prior art keywords
heat
hot channel
radiator
pyrotoxin
air
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
CN201280015551.4A
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Chinese (zh)
Inventor
蔡晓恺
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Filing date
Publication date
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Publication of CN103596636A publication Critical patent/CN103596636A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F7/00Elements not covered by group F28F1/00, F28F3/00 or F28F5/00
    • F28F7/02Blocks traversed by passages for heat-exchange media
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/36Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
    • H01L23/367Cooling facilitated by shape of device
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/46Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
    • H01L23/467Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing gases, e.g. air
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20127Natural convection
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2215/00Fins
    • F28F2215/06Hollow fins; fins with internal circuits
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Thermal Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

A heat dissipator for dissipating the heat of a heating source, the heat dissipator comprising at least one heat dissipation pipe; the outer wall of the heat dissipation pipe is used to sense the heat generated by the heating source; when the heat dissipator dissipates the heat of the heating source, the heat dissipation pipe forms a chimney structure to cause the hot air in the heat dissipation pipe to rise, and draws the cold air outside the heat dissipation pipe into the pipe from the bottom of the corresponding pipe to dissipate the heat of the heating source. The present invention improves the heat dissipation effect of the heating source by the heat dissipater. In addition, also provided is a communication device.

Description

Radiator and communication equipment
Technical field
The present invention relates to communication equipment field, relate in particular to a kind of radiator and communication equipment.
Background technology
Along with the power of communication equipment is increasing, the requirement of communication equipment heat radiation is also more and more higher.Conventional radiating mode comprises natural heat dissipation and forced heat radiation.Natural heat dissipation is generally that the heat of thermal source is transmitted on radiator, and then surface and the air by radiator carries out heat exchange, conducts heat in air.Forced heat radiation is generally to utilize heat dissipation element radiator to be blown or air draught as fan, accelerates the Air Flow of spreader surface, thereby conducts heat in air quickly.But a lot of application scenarios need to adopt self-heating radiating mode to dispel the heat to communication equipment, to avoid the requirements such as the needed periodic maintenance of forced heat radiation, working environment restriction.
When adopting natural heat dissipation mode to dispel the heat to communication equipment, conventionally adopting radiator is fin-type radiator.Described fin-type radiator be the turbulent disturbance after utilizing near air fin to be heated or between each fin, in groove, form to climbing power, hot-air is carried out to heat loss through convection.But such convection current ability is fainter, thereby cause the efficiency of heat exchange not high.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, a kind of radiator is provided, to improve the radiating efficiency of communication equipment.
The present invention also provides a communication equipment.
A kind of radiator, for a pyrotoxin is dispelled the heat, described radiator comprises at least one hot channel, the heat that the outer wall of described hot channel produces for experiencing described pyrotoxin, when described radiator dispels the heat to described pyrotoxin, described hot channel forms chimney structure so that the hot air rising in hot channel, drives cold air outside described hot channel to enter in hot channel described pyrotoxin is dispelled the heat from the bottom of corresponding hot channel.
, comprise the above-mentioned radiator of a pyrotoxin and for described pyrotoxin is dispelled the heat.
Communication equipment of the present invention comprises the radiator of a pyrotoxin and for described pyrotoxin is dispelled the heat.Described radiator comprises at least one hot channel, the outer wall of described hot channel is experienced the heat that described pyrotoxin produces, when described radiator dispels the heat to described pyrotoxin, described hot channel forms chimney structure so that the hot air rising in hot channel, drive cold air outside described hot channel to enter in hot channel described pyrotoxin is dispelled the heat from the bottom of corresponding hot channel, because hot channel forms chimney structure, therefore described hot channel has stronger convection properties, thereby improved the radiating effect that described radiator dispels the heat to described pyrotoxin.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of the communication equipment that provides of first embodiment of the invention;
Fig. 2 is the schematic diagram of the radiator that provides of first embodiment of the invention;
Fig. 3 is the schematic diagram of the communication equipment that provides of second embodiment of the invention;
Fig. 4 is the schematic diagram of the radiator that provides of second embodiment of the invention;
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 and 2, a kind of communication equipment 100 providing for first embodiment of the invention comprises a pyrotoxin 200 and a radiator 10.Described radiator 10 is for dispelling the heat to described pyrotoxin 200.Described radiator 10 comprises body 11 and at least one hot channel 12 being without exception rectangle.In the present embodiment, described communication equipment 100 is a storage module, and described pyrotoxin 200 is a memory body.In other embodiments, described communication equipment 100 can be for other modules be as a chip module, and described pyrotoxin is a chip body.
Described body 11 has heat conduction function, is to be made by Heat Conduction Material.The first side 111 of described body 11 is attached at described pyrotoxin 200, the heat producing for experiencing described pyrotoxin 200, and heat is transmitted.The first side 111 can be plane, also can make other shapes, as long as be convenient to close contact pyrotoxin 200.In the present embodiment, described Heat Conduction Material is that metal material can be as aluminium.
Described hot channel 12 forms by hollow outs in the middle of described body 11, and described hot channel 12 runs through the top of described body 11 and bottom to form chimney structure.Described hot channel 12 is arranged in described body 11 with matrix array formula, between each hot channel 12, has gap.The cross section of described hot channel 12 is circular.The resistance rising in order to reduce the interior air-flow of hot channel 12, the inner surface of the outer wall of described hot channel 12 is smooth surface.
While using 10 pairs of described pyrotoxins 200 of described radiator to dispel the heat, make described radiator 10 keep as far as possible vertically placing, or approach vertically and place, so that described hot channel 12 forms chimney structure, vertical angle can be not construed as limiting, as long as do not hinder the hot air rising in described hot channel 12, drive cold air outside described hot channel 12 from the bottom of corresponding hot channel 12, to enter that hot channel 12 is interior to dispel the heat to described pyrotoxin 200.Described radiator 10 utilizes chimney effectiveness to dispel the heat to described pyrotoxin 200.Described stack effect is: in the pipeline of a long and narrow sealing (upper and lower port of pipeline opens wide), hot-air in pipeline is because the cold air of density ratio outside is low, thereby produce buoyancy toward rising along vertical bank, and the poor impact that is stressed of outside cold air, bottom by chimney sucks, so produce Air Flow, and can play the effect of accelerating convection current.
When described pyrotoxin 200 adstante febres, the heat that described body 11 produces described pyrotoxin 200 is passed to each hot channel 12 is heated the air in each hot channel 12.The density of the air in described hot channel 12 diminishes, thereby is less than the density of the air outside described hot channel 12.Under stack effect effect, hot air rising in each hot channel 12, drive the cold air outside described hot channel 12 to enter in hot channel 12 from the bottom of corresponding hot channel 12, thereby form stronger convection current, improved the radiating effect that 10 pairs of described pyrotoxins 200 of described radiator dispel the heat.
Due in the present embodiment, the second side 112 of the body 11 of described radiator 10 is a plane, thereby can be so that described radiator 10 can carry out close installation with other equipment.The first side 111 of the body 11 of described radiator 10 is plane.Between each hot channel 12, having gap is to be conducive to heat to be delivered to described hot channel 12 and to heat the air in described hot channel 12.
In other embodiments, if when considering problem that described radiator 10 and other equipment could close installation, the second side 112 of described body 11 can be the face of other shapes such as inclined-plane.The shape of the first side 111 of described body 11 can be adjusted according to actual needs, as being inclined-plane etc.The shape of described body 11 can be adjusted according to actual needs.Between described hot channel 12, can contact with each other according to actual needs, or intersect each other.The quantity of described hot channel 12 and the arrangement mode in described body 11 can be adjusted according to actual needs.The cross section of described hot channel 12 can be other geometries such as square, oval.When the inwall without considering described hot channel 12 is during to the drag effect of air-flow, without the whether smooth problem of inwall of considering described hot channel 12.It is a row that described hot channel 12 can be arranged in described body 11.In order better to increase the inside and outside difference in air temperature of described hot channel 12, the second side 112 of the body 11 of described radiator 10 also can be provided with a heat-insulating shield (not shown).
Refer to Fig. 3 and 4, a kind of communication equipment 300 providing for second embodiment of the invention comprises a pyrotoxin 200 and a radiator 30.Described radiator 30 is for dispelling the heat to described pyrotoxin 200.
Described radiator 30 comprises that a substrate 31 and at least one are arranged at the radiating piece 32 on described substrate 31.Described substrate 31 is generally rectangle.Described substrate 31 has heat conduction function, is to be made by Heat Conduction Material.The first side 311 of described substrate 31 is attached at described pyrotoxin 200, for experiencing the heat of described pyrotoxin 200, and heat is transmitted.In the present embodiment, described Heat Conduction Material is that metal material is as aluminium.
Described radiating piece 32 is arranged on the second side 312 of described substrate 31.Each radiating piece 32 includes a hot channel 321 and is arranged at the fin 322 on described hot channel 321.Described hot channel 321 is arranged at the second side 312 of described substrate 31 by the mode of welding or crimping.Described fin 322 is arranged on the outer wall of described hot channel 321, to increase the contact area with air.Between every two adjacent fins 322, form an air-guiding aisle 33, to carry out heat loss through convection.In the present embodiment, described hot channel 321 utilizes stack effect to dispel the heat to described pyrotoxin 200.The cross section of described hot channel 321 is circular.The resistance rising in order to reduce the interior air-flow of hot channel 321, the inner surface of the outer wall of described hot channel 321 is smooth surface.
While using 30 pairs of described pyrotoxins 200 of described radiator to dispel the heat, make described radiator 30 keep as far as possible vertically placing, or approach vertically and place, so that described hot channel 321 forms chimney structure, thereby utilize stack effect to strengthen pyrotoxin 200 to dispel the heat.Vertical angle can be not construed as limiting, as long as do not hinder the hot air rising in described hot channel 321, drive cold air outside described hot channel 321 from the bottom of corresponding hot channel 321, to enter that hot channel 321 is interior to dispel the heat to described pyrotoxin 200.When described pyrotoxin 200 adstante febres, the heat that described substrate 31 produces described pyrotoxin 200 is passed to the outer wall of each hot channel 321, and then is passed to the fin 322 on each hot channel 321.Now, the air in each hot channel 321 is all heated.Atmospheric density in described hot channel 321 diminishes, thereby is less than the atmospheric density outside described hot channel 321.Under stack effect effect, the hot air rising of each hot channel 321, drive the cold air outside described hot channel 321 to enter in described hot channel 321 from the bottom of corresponding hot channel 321, thereby form stronger convection current, improve the radiating effect that 30 pairs of described pyrotoxins 200 of described radiator dispel the heat.Meanwhile, described fin 322 contacts with surrounding air, and the exchange heat that described hot channel 321 is sent is to surrounding air, and the turbulent disturbance producing after being heated by air, makes cold and hot air carry out certain convection current diffusion.Thereby improved the radiating efficiency that 30 pairs of described pyrotoxins 200 of described radiator dispel the heat.
In the present embodiment, the cross section of each hot channel 321 is circular.The quantity of the fin 322 on each hot channel 321 is 3.
In other embodiments, the quantity of the fin 322 on described hot channel 321 and each hot channel 321 can be adjusted as required.The cross section of described hot channel 321 can be divided into square or other geometric figures.When the inwall without considering described hot channel 321 is during to the drag effect of air-flow, without the whether smooth problem of inwall of considering described hot channel 321.When without increasing the contact area of described radiator 30 with air, on the hot channel 321 of described radiator 30 without fin 322 is set.
Communication equipment of the present invention comprises that a radiator dispels the heat to described pyrotoxin 200.Described radiator comprises at least one hot channel.When described radiator dispels the heat to described pyrotoxin 200, described hot channel forms chimney structure, the heat that described pyrotoxin 200 produces has heated the air in described hot channel, under the effect of the stack effect of chimney structure, hot air rising in described hot channel, drive cold air outside described hot channel to enter in hot channel described pyrotoxin is dispelled the heat from the bottom of corresponding hot channel, because hot channel forms chimney structure, therefore described hot channel has stronger convection properties, thereby improved the radiating effect that described radiator dispels the heat to described pyrotoxin 200.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (10)

1. a radiator, for a pyrotoxin is dispelled the heat, described radiator comprises at least one hot channel, the heat that described hot channel is used for experiencing described pyrotoxin generation is to heat the air in described hot channel, when described radiator dispels the heat to described pyrotoxin, described hot channel forms chimney structure so that the hot air rising in described hot channel, drives cold air outside described hot channel to enter in hot channel described pyrotoxin is dispelled the heat from the bottom of corresponding hot channel.
2. radiator as claimed in claim 1, it is characterized in that, described radiator also comprises that one has heat conduction function body, described hot channel forms by described body hollow out, and top and the bottom of running through described body, the first side of described body is attached at described pyrotoxin, the heat producing for experiencing described pyrotoxin, and described heat is passed to described hot channel with the air in described hot channel, heats.
3. radiator as claimed in claim 2, is characterized in that, described body also comprises second side relative with described the first side, and described the second side is plane.
4. radiator as claimed in claim 2, is characterized in that, described body also comprises second side relative with described the first side, and described radiator also comprises a heat-insulating shield, and described heat-insulating shield is arranged on described the second side.
5. radiator as claimed in claim 2, is characterized in that, described hot channel is arranged in described body with matrix array formula.
6. the radiator as described in any one in claim 1-5 item, is characterized in that, the inner surface of the outer wall of described hot channel is smooth surface.
7. the radiator as described in any one in claim 1-6 item, it is characterized in that, described radiator also comprises that one has the substrate of heat conduction function, the first side of described substrate is attached at described pyrotoxin, described hot channel is arranged on the second side of described substrate, described substrate is for experiencing the heat of described pyrotoxin, and heat is passed on the outer wall of described hot channel so that the outer wall of described hot channel is experienced the heat of described pyrotoxin.
8. radiator as claimed in claim 7, it is characterized in that, described radiator also comprises at least one fin, described fin is arranged on the outer wall of described hot channel to experience the heat of the pyrotoxin that the outer wall transmission of described hot channel comes, between every two adjacent fins, form an air-guiding aisle, to carry out heat loss through convection.
9. radiator as claimed in claim 7, is characterized in that, the outer wall of described hot channel is not all in contact with one another.
10. a communication equipment, comprises a pyrotoxin and just like arbitrary described radiator in claim 1-9, described radiator is for dispelling the heat to described pyrotoxin.
CN201280015551.4A 2012-07-03 2012-07-03 Heat dissipator and communication device Pending CN103596636A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/078120 WO2014005283A1 (en) 2012-07-03 2012-07-03 Heat dissipator and communication device

Publications (1)

Publication Number Publication Date
CN103596636A true CN103596636A (en) 2014-02-19

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CN201280015551.4A Pending CN103596636A (en) 2012-07-03 2012-07-03 Heat dissipator and communication device

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WO (1) WO2014005283A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114967305A (en) * 2022-06-29 2022-08-30 歌尔光学科技有限公司 Flexible heat radiation fin

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2666096Y (en) * 2003-11-11 2004-12-22 博威科技(深圳)有限公司 Chimney type heat radiation structure of outdoor communication equipment
CN201039635Y (en) * 2006-11-02 2008-03-19 华为技术有限公司 Heat radiation structure
CN101453856A (en) * 2007-12-03 2009-06-10 华为技术有限公司 Communication equipment
DE202011000830U1 (en) * 2011-04-08 2011-08-05 Dieter Girlich convection heat
CN202160370U (en) * 2011-05-23 2012-03-07 邓建伟 Power supply box with chimney type heat radiation mode

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2666096Y (en) * 2003-11-11 2004-12-22 博威科技(深圳)有限公司 Chimney type heat radiation structure of outdoor communication equipment
CN201039635Y (en) * 2006-11-02 2008-03-19 华为技术有限公司 Heat radiation structure
CN101453856A (en) * 2007-12-03 2009-06-10 华为技术有限公司 Communication equipment
DE202011000830U1 (en) * 2011-04-08 2011-08-05 Dieter Girlich convection heat
CN202160370U (en) * 2011-05-23 2012-03-07 邓建伟 Power supply box with chimney type heat radiation mode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114967305A (en) * 2022-06-29 2022-08-30 歌尔光学科技有限公司 Flexible heat radiation fin

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Application publication date: 20140219