CN106793668B - A kind of radiator and communication equipment - Google Patents
A kind of radiator and communication equipment Download PDFInfo
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- CN106793668B CN106793668B CN201510801118.9A CN201510801118A CN106793668B CN 106793668 B CN106793668 B CN 106793668B CN 201510801118 A CN201510801118 A CN 201510801118A CN 106793668 B CN106793668 B CN 106793668B
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- radiator
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- heat sink
- heat dissipation
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Abstract
The present invention relates to the technical fields of communication equipment, disclose a kind of radiator and communication equipment, the radiator includes the heat-radiating substrate and heat sink being oppositely arranged, the multiple fins being arranged at intervals between heat-radiating substrate and heat sink, and multiple fins by the space interval between heat-radiating substrate and heat sink at it is multiple be arranged side by side and both ends have opening heat dissipation channel；Wherein, multiple radiator structures；Adjacent radiator structure surrounds inlet channel, and the cross-sectional area of the air inlet of inlet channel is greater than the cross-sectional area of gas outlet, and the gas outlet of inlet channel is connected to one of heat dissipation channel.The invention has the benefit that passing through radiator structure and inlet channel, fin conducts the heat generated at heat-radiating substrate to radiator structure, since radiator structure is located at cooling air intake, the convection current of cold air can be strengthened, therefore the radiator structure for playing heat spreading function eliminates temperature cascading, cross-ventilation ability is improved, product heat-sinking capability is improved.
Description
Technical field
The present invention relates to the technical field of communication equipment more particularly to a kind of radiators and communication equipment.
Background technique
Communication equipment generallys use the form of natural heat dissipation for reliability, and radiator uses sheet or acicular wing
Piece carries out thermal diffusion, as shown in Figure 1, internal gas flow is heated and rises along gravity opposite direction, the fin of radiator more up dissipates
The thermal efficiency is lower.
As shown in Fig. 2, the radiator includes substrate 1 and is vertically arranged fin 2 on substrate 1.In the height of communication equipment
Direction is spent, using fin configuration straight-through up and down, the cooling air-flow inside radiator is added along gravity opposite direction uphill process
Heat, generates temperature cascading, and the efficiency of airflow downstream fin 2 reduces.Cooling air-flow is being opened after being heated along gravity opposite direction
Rise in 2 gap of fin put, the limited flow of air-flow.
As shown in figure 3, the radiator includes substrate 1 and is obliquely installed fin 2 on substrate 1.In air current flow direction
Go out for lower-left into upper right, air-flow is heated along 2 flow process of fin, generates temperature cascading, the effect of airflow downstream fin 2
Rate reduces.Cooling air-flow rises in open fin clearance after being heated along gravity opposite direction, the limited flow of air-flow.Inclination
The flowing air duct of fin 2 shorten, buoyancy lift weakens and cooling gas flow is reduced.Air-flow is in obliquely flow process due to by wing
The resistance of piece is reinforced and cooling gas flow is reduced.
As shown in figure 4, the radiator includes the multiple bulge-structures 3 of substrate 1 and setting on substrate 1, air-flow flowing
Direction main body is bottom in and top out, while having the component of side out into side, and cooling air-flow is in bulge-structure gap along gravity opposite direction
It is heated in flow process, the efficiency of air-flow lower convexity structure reduces.Cooling air-flow be heated after along gravity opposite direction in opening
Needle wing gap in rise, the limited flow of air-flow, to cause heat dissipation effect poor.
Summary of the invention
The present invention provides a kind of radiator and communication equipments, to improve the heat dissipation effect of radiator, and then improve logical
Believe the heat dissipation effect of equipment.
In a first aspect, providing a kind of radiator, which includes the heat-radiating substrate and heat sink being oppositely arranged, and
The multiple fins being arranged at intervals between the heat-radiating substrate and heat sink, and the multiple fin is by the heat-radiating substrate and institute
Space interval between heat sink is stated to be arranged side by side and both ends have the heat dissipation channel of opening at multiple；Wherein,
Multiple radiator structures are provided on the heat sink；Along the heat dissipation channel length direction, adjacent heat dissipation knot
Structure surrounds inlet channel, and the cross-sectional area of the air inlet of the inlet channel is greater than the cross-sectional area of the gas outlet, and described
The gas outlet of inlet channel is connected to one of heat dissipation channel.
With reference to the above first aspect, in the first possible implementation, be connected to each heat dissipation channel it is multiple into
The arrangement of gas channel array.
The possible implementation of with reference to the above first aspect the first, it is in the second possible implementation, described
The open at one end of the heat dissipation channel of both ends open is cold air air inlet, and another end opening is hot-air gas outlet；The array
The inlet channel of arrangement is located at one end on the heat-radiating substrate close to the cold air air inlet.
With reference to the above first aspect, in the third possible implementation, the radiator structure includes being arranged described
Two support plates and blade on heat sink, and described two support plates, the blade that is connected between described two support plates with
And the blade in another radiator structure adjacent with the radiator structure surrounds the inlet channel of the radiator structure.
The third possible implementation with reference to the above first aspect, it is in the fourth possible implementation, described
The angle of blade and the heat sink is between 0~90 °.
The third possible implementation with reference to the above first aspect, it is in a fifth possible implementation, described
Support plate is inclined at the heat sink.
The 5th kind of possible implementation with reference to the above first aspect, it is in a sixth possible implementation, described
The angle of support plate and the heat sink is between 0~90 °.
The 4th kind of possible realization side of the third possible implementation, first aspect with reference to the above first aspect
Formula, the 5th kind of possible implementation of first aspect, first aspect the 6th kind of possible implementation, in the 7th kind of possibility
Implementation in, the support plate is structure as a whole with the blade.
The 7th kind of possible implementation with reference to the above first aspect, it is described in the 8th kind of possible implementation
The integral structure of support plate and the blade is the aluminium sheet punching press integral forming structure of 0.5mm~3mm thickness.
With reference to the above first aspect, it in the 9th kind of possible implementation, is glued between the heat sink and the fin
It connects or is welded to connect in succession；Alternatively, being connected between the heat sink and the fin by connector；Alternatively, the heat sink
It is fixed between the fin.
Second aspect provides a kind of communication equipment, which includes described in equipment body and any of the above-described kind
Radiator；Wherein, the heat-radiating substrate in the radiator is fixedly connected with the equipment cylinder.
According to the communication equipment that the radiator that first aspect provides, second aspect provide, will radiate base by using fin
Space interval between plate and heat sink is at multiple heat dissipation channels being arranged side by side, so that the structure of a similar chimney is formed,
The convection action of air is improved by the draft effect of chimney.Meanwhile multiple radiator structures are set on heat sink, the heat dissipation knot
The air intake passage that structure has is connected to heat dissipation channel, is increased cold air and is entered in heat dissipation channel, and uses air intake passage
It is less than the structure of air inlet using gas outlet, further enhances the convection current of cold air, improve product heat-sinking capability.
Detailed description of the invention
Fig. 1 is a kind of structure of radiator in the prior art；
Fig. 2 is the structure of another radiator in the prior art；
Fig. 3 is the structure of another radiator in the prior art；
Fig. 4 is the structure of another radiator in the prior art；
Fig. 5 is the explosive view of radiator provided in an embodiment of the present invention；
Fig. 6 is the assembling figure of radiator provided in an embodiment of the present invention；
Fig. 7 is the cross-sectional view in Fig. 6 at A-A；
Fig. 8 is the structural schematic diagram of the radiator structure in radiator provided in an embodiment of the present invention.
Appended drawing reference:
1- substrate 2- fin 3- bulge-structure
10- heat-radiating substrate 11- fin 12- buckle
20- heat sink 21- radiator structure 211- support plate
212- blade 22- through-hole 23- inlet channel
The gas outlet 231- 30- heat dissipation channel
Specific embodiment
Specific embodiments of the present invention are described in detail below in conjunction with attached drawing.It should be understood that described herein
Specific embodiment be merely to illustrate and explain the present invention, be not intended to restrict the invention.
Firstly the need of explanation, being in the structure of description radiator in the present embodiment is to dissipate when being related on direction
Hot device is placed vertically, i.e., modes of emplacement of the cold air air inlet of radiator at lower section when the description that carries out.
As shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8, Fig. 5 is the explosive view of radiator provided in an embodiment of the present invention, and Fig. 6 is this
The assembling figure for the radiator that inventive embodiments provide, Fig. 7 are the cross-sectional view in Fig. 6 at A-A, and Fig. 8 is that the structure of radiator structure is shown
It is intended to.
The embodiment of the invention provides a kind of radiator, which includes the heat-radiating substrate 10 and heat sink being oppositely arranged
20, and the multiple fins 11 being arranged at intervals between heat-radiating substrate 10 and heat sink 20, and multiple fins 11 are by heat-radiating substrate
Space interval between 10 and heat sink 20 is arranged side by side and both ends have the heat dissipation channel 30 of opening at multiple；Wherein,
Multiple radiator structures 21 are provided on heat sink 20；Along 30 length direction of heat dissipation channel, adjacent radiator structure
21 have inlet channel 23, and the cross-sectional area of the air inlet of the inlet channel 23 is greater than the cross-sectional area of gas outlet 231, and air inlet
The gas outlet 231 in channel 23 is connected to one of heat dissipation channel 30.
In the above-described embodiments, by using fin 11 by the space interval between heat-radiating substrate 10 and heat sink 20 at more
A heat dissipation channel 30 being arranged side by side improves air by the draft effect of chimney to form the structure of a similar chimney
Convection action.Meanwhile multiple radiator structures are set on heat sink 20, the air intake passage between the radiator structure and heat dissipation are logical
Road 30 is connected to, and is increased cold air and is entered in heat dissipation channel 30, and air intake passage is less than air inlet using gas outlet 231
Structure further increases the convection current of air.In heat dissipation, fin 11 conducts the heat generated at heat-radiating substrate 10 to heat dissipation
In structure 21, cold air enters in heat dissipation channel from the inlet port of radiator structure 21, since the cross-sectional area of air inlet is greater than
The cross-sectional area of gas outlet adds the convection current for enhancing cold air, improves cross-ventilation ability, improves product heat-sinking capability.
For convenience to the understanding of the structure and working principle of radiator provided in this embodiment, below with reference to specific reality
Example is applied it is described in detail.
With continued reference to Fig. 5, as seen from Figure 5, radiator provided in this embodiment includes three parts: heat-radiating substrate 10,
Fin 11 and heat sink 20, fin 11 therein are vertical fin, and multiple fins 11 are arranged in the horizontal direction, and therefore, are covered on fin
Heat sink 20 and heat-radiating substrate 10 and fin 11 on 11 surround multiple heat dissipation channels 30, and the effect of the heat dissipation channel 30 is similar to cigarette
The structure of cylinder is accelerated the flowing of hot-air by the chimney structure, and then improves the heat dissipation effect of radiator.
Heat sink 20 therein is covered on when fixing on fin 11, different fixed forms can be used, such as heat sink 20
Bonding connection or welded connecting between the fin 11；Alternatively, passing through connection between the heat sink 20 and the fin 11
Part connection；Alternatively, being fixed between the heat sink 20 and the fin 11.The present embodiment is in specific setting, heat sink
It is fixed between 20 and fin 11.More specifically, multiple buckles 12 are provided on fin 11, be provided on heat sink 20 with
The through-hole 22 that buckle 12 matches.Referring to Fig. 6, as seen from Figure 6, heat sink 20 provided in this embodiment and fin 11 it
Between by being fixed connection, it is inconvenient to carry out the structure setting such as be open since the side end face of fin 11 is relatively narrow, therefore,
12 structures of setting buckle, are arranged through-hole 22 on heat sink 20 on fin 11.And in order to improve heat sink 20 and fin 11
Between bonding strength, preferably, each fin 11 along the side wall of its vertical direction be provided with it is multiple buckle 12, it is corresponding
It is provided on heat sink 20 and is increased with 12 corresponding through-holes 22 of each buckle by the snap fit of multiple buckles 12 and through-hole 22
Strong bonding strength between heat sink 20 and fin 11, and using interference fit between each buckle 12 and through-hole 22, thus
It ensure that bonding strength between the two.
In the present embodiment, in order to improve the heat dissipation effect of radiator, radiator structure 21 is provided on heat sink 20；Edge
On 30 length direction of heat dissipation channel, adjacent radiator structure surrounds inlet channel 23, the air inlet of the inlet channel 23 it is transversal
Area is greater than the cross-sectional area of gas outlet 231, and the gas outlet 231 of inlet channel 23 is connected to one of heat dissipation channel 30,
And in specific setting, the number for the inlet channel 23 being connected to each heat dissipation channel 30 is multiple, and in specific setting, more
A 23 array of inlet channel arrangement, i.e., each heat dissipation channel 30 is connected to a column inlet channel 23, in setting, each column inlet channel
23 are arranged in the position on heat-radiating substrate 10 between two adjacent fins 11.Its specific set-up mode as shown in fig. 7, its
In, the open at one end of the heat dissipation channel 30 of both ends open is cold air air inlet, and another end opening is hot-air gas outlet, is being schemed
In shown in 7, underlying opening is cold air air inlet.The inlet channel 23 of array arrangement is located at the heat-radiating substrate 10
Upper one end close to cold air air inlet.I.e. when radiator structure 21 is arranged, the radiator structure 21 of setting is close to cold air air inlet
Mouthful, far from hot-air gas outlet 231.So that the inlet channel 23 formed improves air pair close to inlet of cold air end
Stream ability improves product heat-sinking capability.
Fig. 7 and Fig. 8 is referred to together, as shown in figure 8, the inlet channel 23 is funnel-shaped structure, wherein opening biggish one
End is air inlet, and the lesser one end that is open is gas outlet 231.It is arranged when on heat sink 20 by inlet channel 23, by adjacent
Radiator structure 21 surround inlet channel 23, and the gas outlet 231 of inlet channel 23 is connected to heat dissipation channel 30.Using such knot
Structure enters when cold air flows through inlet channel 23 from the air inlet of inlet channel 23, and gas outlet 231 is flowed out, since air inlet is logical
The structure small using import large outlet of road 23, to accelerate the speed of the cold air of outflow, and then improves cross-ventilated
Effect, improves the speed that cold air enters heat dissipation channel 30, improves the heat dissipation effect of radiator, and then improve communication
The heat dissipation effect of equipment.In addition, heat-radiating substrate 10 dissipate heat when being transmitted to radiator structure 21, by flowing through inlet channel
Cold air in 23 can accelerate heat dissipation effect.
The inlet channel 23 wherein formed can be different shape, need to only guarantee that the air inlet opening of the heat spreader structures is big
In gas outlet, the shape of air inlet and air outlet is not limited, such as forming air inlet and air outlet can be rectangle, ladder
The different shape such as shape, circle or ellipse need to only guarantee to improve speed air flow.In specific setting,
Inlet channel 23 is surrounded by two adjacent radiator structures, as shown in Figures 7 and 8, in the present embodiment, radiator structure
21 include two support plates 211 being arranged on heat sink 20 and blade 212, and two support plates 211, is connected to two supports
It is logical that the blade 212 in blade 212 and another radiator structure 21 adjacent with the radiator structure between plate 211 surrounds air inlet
Road 23.
In order to facilitate the shape of description inlet channel 23, with the tool of radiator structure 21, there are two support plate 211 and one below
It is illustrated for blade 212.
In specific setting, heat sink 20 is arranged in towards the side of heat dissipation channel 30 in radiator structure 21, and is specifically setting
When setting, radiator structure 21 can be arranged using different frame modes, specifically, as being in vertical direction using support plate 211
The angle of certain angle, the mode of the vertical heat sink 20 of blade 212 setting, so that the support plate of a radiator structure 21
211, the blade 212 in blade 212 and adjacent radiator structure 21 surrounds the inlet channel 23 of bucking ladder, and blade 212 is at this time
Trapezoidal shape；Or be obliquely installed with respect to heat sink 20 using blade 212, support plate 211, at this point, two 211 phases of support plate
To inclination, the inlet channel 23 surrounded is inclined bucking ladder shape channel.
Embodiment as one preferred, as shown in Figures 7 and 8, in the present embodiment using blade 212 with respect to heat sink
20 modes being obliquely installed are arranged.When radiator structure 21 is arranged, the size of blade 212 will be far longer than the ruler of support plate 211
It is very little, to form the structure of a prolate shape.The tilt angle of blade 212, which can according to need, to be set, preferably, heat dissipation
The angle of blade 212 in structure 21 and heat sink 20 between 0~90 °, such as 30 °, 50 °, 60 °, 80 ° arbitrarily between 0~90 °
Between angle.
In order to increase the difference of air inlet cross-sectional area Yu 231 cross-sectional area of gas outlet, and then further increase sky
The acceleration effect of gas.In the present embodiment, support plate 211 is inclined on heat sink 20, and in specific setting, two branch
211 relative tilt of fagging, i.e. two support plates 211 are inclined contrary, and the angle of support plate 211 and heat sink 20 between
Between 0~90 °, such as 2 °, 3 °, 10 °, 20 ° of angles arbitrarily between 0~90 °.So that radiator structure 21
Two support plates 211, blade 212 and another adjacent radiator structure 21 blade 212 surround an inclined bucking ladder into
Gas channel 23.
It can be seen from the above description that the funnel shaped that the radiator structure 21 provided in the present embodiment is formed can be for not
With shape, and blade 212 and support plate 211 be in design, can also in different ways, i.e. blade 212 and support plate
211 use integral type connection type using split type connection type or blade 212 and support plate 211.Preferably, support plate
211 are structure as a whole with blade 212.And in specific setting, the integral structure of support plate 211 and blade 212 be 0.5mm~
The aluminium sheet punching press integral forming structure of 3mm thickness.To facilitate the production of radiator structure 21.
The embodiment of the invention also provides a kind of communication equipment, which includes equipment body and any of the above-described kind
Radiator；Wherein, the heat-radiating substrate in the radiator is fixedly connected with the equipment cylinder.
In the above-described embodiments, by using fin by the space interval between heat-radiating substrate and heat sink at it is multiple side by side
The heat dissipation channel of arrangement is made to form the structure of a similar chimney by the convection current that the draft effect of chimney improves air
With.Meanwhile multiple radiator structures are set on heat sink, the air intake passage between the radiator structure is connected to heat dissipation channel, is increased
Cold air has been added to enter in heat dissipation channel, and air intake passage is less than the structure of air inlet using gas outlet, further increases
The convection current of air.In heat dissipation, fin conducts the heat generated at heat-radiating substrate to radiator structure, and cold air is from heat dissipation
The inlet port of structure enters in heat dissipation channel, since the cross-sectional area of air inlet is greater than the cross-sectional area of gas outlet, reinforcementization
The convection current of cold air, improves cross-ventilation ability, improves product heat-sinking capability.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of radiator, which is characterized in that including the heat-radiating substrate and heat sink being oppositely arranged, and be arranged at intervals on described
Multiple fins between heat-radiating substrate and heat sink, and the multiple fin will be between the heat-radiating substrate and the heat sink
Space interval at it is multiple be arranged side by side and both ends have opening heat dissipation channel；Wherein,
Multiple radiator structures are provided on the heat sink；Along the heat dissipation channel length direction, adjacent radiator structure encloses
At inlet channel, the cross-sectional area of the air inlet of the inlet channel is greater than the cross-sectional area of gas outlet, and the inlet channel
Gas outlet be connected to one of heat dissipation channel；
The radiator structure includes two support plates being arranged on the heat sink and blade, and described two support plates, company
It connects the blade between described two support plates and the blade in another radiator structure adjacent with the radiator structure surrounds
The inlet channel of the radiator structure.
2. radiator as described in claim 1, which is characterized in that the inlet channel array row being connected to each heat dissipation channel
Column.
3. radiator as claimed in claim 2, which is characterized in that the open at one end of the heat dissipation channel of the both ends open is cold
Air inlet, another end opening are hot-air gas outlet；The inlet channel of the array arrangement is located on the heat-radiating substrate
Close to one end of the cold air air inlet.
4. radiator as described in claim 1, which is characterized in that the angle of the blade and the heat sink is between 0~90 °
Between.
5. radiator as described in claim 1, which is characterized in that the support plate is inclined at the heat sink.
6. radiator as claimed in claim 5, which is characterized in that the angle of the support plate and the heat sink between 0~
Between 90 °.
7. radiator as described in any one of claims 1 to 6, which is characterized in that the support plate is integrated with the blade
Structure.
8. radiator as claimed in claim 7, which is characterized in that the support plate and the integral structure of the blade are
The aluminium sheet punching press integral forming structure of 0.5mm~3mm thickness.
9. radiator as described in claim 1, which is characterized in that bonding connection or weldering between the heat sink and the fin
It connects in succession；Alternatively, being connected between the heat sink and the fin by connector；Alternatively, the heat sink and the fin
Between be fixed.
10. a kind of communication equipment, which is characterized in that including equipment body and heat dissipation as described in any one of claims 1 to 9
Device；Wherein, the heat-radiating substrate in the radiator is fixedly connected with the equipment body.
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| CN201510801118.9A CN106793668B (en) | 2015-11-19 | 2015-11-19 | A kind of radiator and communication equipment |
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|---|---|---|---|
| CN201510801118.9A CN106793668B (en) | 2015-11-19 | 2015-11-19 | A kind of radiator and communication equipment |
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| CN106793668A CN106793668A (en) | 2017-05-31 |
| CN106793668B true CN106793668B (en) | 2019-06-11 |
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| CN107461327B (en) * | 2017-09-26 | 2023-06-16 | 科比传动技术（上海）有限公司 | Air inlet mechanism and water pump all-in-one machine with same |
| WO2020163936A1 (en) * | 2019-02-12 | 2020-08-20 | Huawei Technologies Co., Ltd | A heat sink for a remote radio unit |
| CN112351633B (en) * | 2019-08-07 | 2022-09-27 | 杭州海康威视数字技术股份有限公司 | Heat dissipation assembly and electronic equipment |
| CN110856419B (en) * | 2019-11-21 | 2021-03-09 | 东台市高科技术创业园有限公司 | Radiator of electronic device |
| CN212544428U (en) * | 2020-08-18 | 2021-02-12 | 中兴通讯股份有限公司 | Heat dissipation device and communication equipment |
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