CN106604620B - A kind of cladded type radiator and a kind of inductance high-efficiency heat radiation structure - Google Patents
A kind of cladded type radiator and a kind of inductance high-efficiency heat radiation structure Download PDFInfo
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- CN106604620B CN106604620B CN201710054627.9A CN201710054627A CN106604620B CN 106604620 B CN106604620 B CN 106604620B CN 201710054627 A CN201710054627 A CN 201710054627A CN 106604620 B CN106604620 B CN 106604620B
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- cooling fin
- inductance
- heat sink
- type radiator
- cladded type
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
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- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of cladded type radiator and a kind of inductance high-efficiency heat radiation structures.A kind of cladded type radiator, including heat sink body, the heat sink body includes accommodating cavity, the bottom of the accommodating cavity offers power supply component and places opening in it, further includes several first cooling fins, and the heat sink body includes the first outer wall, extend outwardly on vertical first outer wall of first cooling fin, along perpendicular on the direction of the first cooling fin, the first cooling fin in the middle part of the direction is higher from the outwardly extending height of the first outer wall.Present invention simultaneously provides a kind of inductance high-efficiency heat radiation structures using above-mentioned cladded type radiator.Cladded type radiator and inductance high-efficiency heat radiation structure of the invention can adapt to high adverse circumstances, degree of protection, radiating efficiency height, the anti-ponding of energy and dust accumulation.
Description
Technical field
The present invention relates to a kind of radiator and a kind of inductance high-efficiency heat radiation structures, and in particular to one kind has excellent radiating effect
The cladded type radiator and a kind of inductance high-efficiency heat radiation structure using above-mentioned cladded type radiator of energy.
Background technique
With the fast development of industrial technology, large-scale power electronic equipment is in every profession and trade using more and more extensive, power
Grade and power density are also higher and higher, therefore the requirement to power electric component is also higher and higher.For example, in solar energy
It will use header box in photovoltaic generating system, the heat of power device and inductance interacts in order to prevent, more and more to converge
Stream case by inductance by it is built-in change it is external, but since header box is typically used in the more severe place of the environment such as desert, radiator
Need to be subjected to the erosion of dust storm and rainwater throughout the year, existing radiator is due to unreasonable structural design, it is easy in radiator
Surface area water or dust accumulation, and cooling fin is once blocked, then heat dissipation effect can have a greatly reduced quality.In addition, the radiator of the prior art
Unreasonable, the centrally located cooling fin of heat sink design, it is past since air-flow can be stopped by its two sides cooling fin
It is past to form convection current very well and become blind area, and due to heat history problem, centrally located cooling fin is often accumulated
More heats；And cooling fin can not play a preferable guiding work to air-flow (natural wind or the wind of blower blowout) at present
With, cause air-flow that cannot circulate on a heat sink and then take away the heat on cooling fin, causes radiating efficiency low, it can not be to inductance
Constant power device plays protection, and the application of radiator receives great challenge.
Summary of the invention
It is an object of the invention to solve the problems of the prior art, providing one kind can adapt to adverse circumstances, protection etc.
Grade is high, radiating efficiency is high, can the radiator of anti-ponding and dust accumulation and the inductance high-efficiency heat radiation structure of the above-mentioned radiator of application.
To reach above-mentioned purpose, the present invention adopts the following technical scheme:
A kind of cladded type radiator, including heat sink body, the heat sink body include accommodating cavity, the accommodating cavity
Bottom offers power supply component and places opening in it, further includes several first cooling fins, and the heat sink body includes first
Outer wall, vertical first outer wall of first cooling fin extend outwardly, along perpendicular on the direction of the first cooling fin, closer to the party
It is higher from the outwardly extending height of the first outer wall to first cooling fin at middle part.
Further, the cross section of the first cooling fin outer rim is arranged in evagination arc-shaped.
It further, further include several second cooling fins, the heat sink body further includes second with the adjoining of the first outer wall
Outer wall, vertical second outer wall of second cooling fin extend outwardly, and the cross section of the second cooling fin outer rim is linearly arranged
It column or arranges in the following manner: along perpendicular on the direction of the second cooling fin, the second cooling fin in the middle part of the direction,
It is higher from the outwardly extending height of the second outer wall.
It further, further include several third cooling fins, the heat sink body further includes roof, and the third cooling fin hangs down
Straight roof upwardly extends, and the third cooling fin is linked together with the second cooling fin.
Further, the roof is arc, the song of the arc on the direction for being parallel to third cooling fin longitudinal cross-section
Rate radius is the 300%~500% of the maximum length of radiator, and central angle is 5 °~15 °.
Further, the heat sink body further includes mounting base, and the mounting base is set to heat sink body bottom, the opening
Set on the bottom surface of the mounting base, the mounting base is equipped with the first outer surface, and first outer surface is inclined outwardly from top to bottom.
Further, gap is equipped between first cooling fin and/or the bottom and the first outer surface of the second cooling fin.
It further, further include sealing plate, sealing ring, the sealing plate is equipped with connection path, and the mounting base bottom surface is equipped with the
One mounting hole and the second mounting hole, first mounting hole is for installing sealing plate in the bottom of mounting base, second mounting hole
For fixed mounting；The periphery of first mounting hole and the second mounting hole is equipped with groove, and the sealing ring is set in groove.
Present invention simultaneously provides a kind of inductance high-efficiency heat radiation structure using above-mentioned cladded type radiator, further include inductance,
Felt pad and thermal conductive insulation glue, the inductance are placed in the accommodating cavity of cladded type radiator, and the felt pad is set to inductance
Upper end and accommodate cavity roof between, the inductance and accommodating cavity between the filling thermal conductive insulation glue in gap.
Further, the cross section of the inductance be octagon, the octagon approximate ellipsoidal, the heat sink body
Cross section is corresponding with the approximate ellipsoidal, and highest first cooling fin that extends outwardly in first cooling fin is located at the approximation
On the short axle extended line of ellipse.
Compared with the existing technology, the beneficial effect of acquirement is technical solutions according to the invention:
(1) the cladded type radiator that the present invention uses, the opening that power device can be opened up by accommodating cavity bottom
It is built-in to be mounted in accommodating cavity, so that erosion of the power device from dust storm and rainwater, to be generated to power device good
Protection effect, bottom setting opening around radiator convenient for being arranged cooling fin.It is vertically arranged on the first outer wall to extension
The first cooling fin stretched, along perpendicular on the direction of the first cooling fin, the first cooling fin in the middle part of the direction, from the
The outwardly extending height of one outer wall is higher, and the arrangement mode of this first cooling fin increases the gas of up and down direction and left and right directions
The contact area of stream and the first cooling fin is leaned on so that air-flow maximumlly passes through the first cooling fin and takes away the heat of cooling fin
First cooling fin at nearly middle part is not in convection current blind area, radiating efficiency is improved, to play a good heat dissipation effect.
(2) cross section of all first cooling fin outer rims of the invention is arranged in evagination arc-shaped, and left and right directions forms
Coanda surface, the contact area and air-flow of the air-flow and the first cooling fin that increase left and right directions are unlikely to rest on middle part
On first cooling fin, so that air-flow maximumlly passes through the first cooling fin and takes away the heat of cooling fin, first heat dissipation at middle part
Piece is not in convection current blind area, improves radiating efficiency, to play a good heat dissipation effect.
(3) present invention is vertically arranged outwardly extending second cooling fin, the cross of the second cooling fin outer rim on the second outer wall
Section linearly arranges or along perpendicular on the direction of the second cooling fin, the second cooling fin closer to middle part, from the
The outwardly extending height of two outer walls is higher.Second cooling fin increases the sinking path of radiator, improves radiating efficiency.And this
The arrangement mode of the second cooling fin of kind increases the contact area of up and down direction and in the front-back direction air-flow and the second cooling fin, makes
It obtains air-flow maximumlly to pass through the second cooling fin and take away the heat of cooling fin, so that second cooling fin at middle part is not in pair
Blind area is flowed, radiating efficiency is improved, to play a good heat dissipation effect.Radiator of the invention whereby passes through in increase
Under, left and right and the contact area of air-flow and cooling fin in the front-back direction so that the heat dissipation effect of radiator entirety greatly improves.
(4) by setting roof, it is vertically arranged the third cooling fin upwardly extended in roof, increases heat dissipation channel, mentions
High radiating efficiency.Third cooling fin and the second cooling fin, which are linked together, forms blowdown runner, and rainwater or dust accumulation can be along
Blowdown runner slides.
(5) roof is set as arc, so that rainwater or dust accumulation are easier that the gravity of itself is relied on to slide to two sides.
(6) mounting base is arranged in heat sink body bottom, and the first outer surface being inclined outwardly from top to bottom in mounting base can be led
Bleed stream can smoothly enter into the first cooling fin or the second cooling fin, and rainwater or dust accumulation can also be allowed to be inclined outwardly to discrete heat device more
Remote place prevents rainwater or radiator bulk deposition by radiator, radiator is caused to be submerged.First outer surface with it is above-mentioned
Blowdown runner is formed together the blowdown path an of entirety, by the path can be very good by rainwater or sand and dust guiding and by its
It drains into except radiator, in case pollution radiator, causes air-flow that cannot circulate on a heat sink and then influences radiating efficiency.
The gap being arranged between (7) first cooling fins and/or the bottom and the first outer surface of the second cooling fin can prevent
Sand and dust and rainwater are accumulated in cooling fin bottom, influence heat dissipation effect；And the gap is conducive to air and enters cooling fin bottom, prevents
Heat accumulation improves radiating efficiency.
(8) periphery of the first mounting hole in mounting base of the invention and the second mounting hole is equipped with protection groove, a sealing
Circle setting can compensate the installation gap between radiator and machine in protection groove, through the sealing ring to sealing ring
Internal structure plays protective action, prevents rainwater or sand and dust by radiator from entering inside container cavity, makes to power device
At influence.
(9) inductance is placed in the accommodating cavity on heat sink body by inductance high-efficiency heat radiation structure of the invention, thus
To a good protective action, and inductance is filled with the gap in accommodating cavity by thermal conductive insulation glue, thus by thermally conductive
Insulating cement radiates the heat transfer of inductance to heat sink body, then by the cooling fin on heat sink body.
(10) the problem of inductance that the present invention fully takes into account approximate ellipsoidal will form the heat flow field of approximate ellipsoidal, will
Multiple first cooling fins and multiple second cooling fins are set around around inductance and are distributed in approximate ellipsoidal, and in the first cooling fin
Highest first cooling fin that extends outwardly is located in the short axle of the approximated ellipse in heat sink body cross section.In this way, electric
Feel the big position of calorific value, the heat dissipation area of cooling fin also increases accordingly, and the position that inductance calorific value is small, the heat dissipation of cooling fin
Area also accordingly reduces, so that radiator also has preferable economy, property with higher while high efficiency and heat radiation
Valence ratio.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand invention, constitutes a part of the invention, the present invention
Illustrative embodiments and their description be used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the stereoscopic schematic diagram of cladded type radiator of the invention；
Fig. 2 is the front view of cladded type radiator of the invention；
Fig. 3 is the stereoscopic schematic diagram of cladded type radiator of the invention；
Fig. 4 is the stereoscopic schematic diagram of cladded type radiator of the invention；
Fig. 5 is the stereoscopic schematic diagram of inductance high-efficiency heat radiation structure of the invention；
Fig. 6 is the perspective diagram of inductance high-efficiency heat radiation structure of the invention；
Specific embodiment
In order to be clearer and more clear technical problems, technical solutions and advantages to be solved, tie below
Drawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of cladded type radiator, including heat sink body 1, heat sink body 1 include holding
Chamber is emptied, the bottom for accommodating cavity offers power supply component and places opening in it；Heat sink body include the first outer wall 2, with
The second adjacent outer wall 3 of first outer wall 2, roof 4, mounting base 5 further include several first cooling fins 21, the second cooling fin 31, the
Three cooling fins 41, the first cooling fin 21 and 31 outer rim of the second cooling fin are outer convex, and the thickness of the first cooling fin 21 is by interior
It gradually becomes smaller outward, vertical first outer wall 2 of the first cooling fin 21 extends outwardly, and vertical second outer wall 3 of the second cooling fin 31 is outward
Extend, the cross sections of all first cooling fin, 21 outer rims in the arrangement of evagination arc-shaped, all second cooling fin, 31 outer rims it is transversal
Face is arranged in evagination arc-shaped.The vertical roof 4 of third cooling fin 41 upwardly extends, and third cooling fin 41 and the second cooling fin 31 connect
It is integrated.Roof 4 is arc on the direction for being parallel to 41 longitudinal cross-section of third cooling fin, and the radius of curvature of the arc is heat dissipation
The 300%~500% of the maximum length of device, central angle are 5 °~15 °.Mounting base 5 is set to 1 bottom of heat sink body, and opening is set to
The bottom surface of mounting base 5, mounting base 5 are equipped with the first outer surface 51, and the first outer surface 51 is inclined outwardly from top to bottom.First heat dissipation
Gap 52 is equipped between piece 21 and the bottom and the first outer surface 51 of the second cooling fin 31.The gap can prevent sand and dust and rainwater
It is accumulated in cooling fin bottom influences heat dissipation effect, and the gap is conducive to air and enters cooling fin bottom, prevents heat accumulation, improved
Radiating efficiency.Between third cooling fin 41, between the second cooling fin 31 and the first outer surface 51 entirety is collectively formed
Blowdown path can be very good to guide rainwater or sand and dust and drained into except radiator by the path, in case pollution dissipates
Hot device causes air-flow that cannot circulate on a heat sink and then influences radiating efficiency.Radiator further includes sealing plate 6, sealing ring 7, envelope
Plate 6 is equipped with connection path 61.The bottom surface of mounting base 5 is equipped with the first mounting hole 52 and the second mounting hole 53, and the first mounting hole 52 is used
In installation sealing plate 6 in the bottom of mounting base 5, the second mounting hole 53 is used for fixed mounting 5；First mounting hole 52 and the second installation
The periphery in hole 53 is equipped with groove, and sealing ring 7 is set in groove.The peace between radiator and machine can be compensated by the sealing ring
Dress gap prevents rainwater or sand and dust by radiator from entering container cavity to play protective action to the structure inside sealing ring
Inside impacts power device.
The cladded type radiator that the present invention uses can will be mounted in accommodating cavity, so that power built in power device
Device from dust storm and rainwater erosion, to generate good protection effect to power device.First cooling fin and second dissipates
The outer rim of backing is set as outer convex, increases the air-flow of up and down direction and the contact surface of the first cooling fin and the second cooling fin
Product, air-flow are easier to take away the heat of radiator generation, improve radiating efficiency.The cross section of all first cooling fin outer rims is in
The cross section of the arrangement of evagination arc-shaped, all second cooling fin outer rims is arranged in evagination arc-shaped, all first cooling fin outer rims
Coanda surface is formd in left and right directions, all second cooling fin outer rims form Coanda surface in front-rear direction, thus
The contact area and air-flow of the air-flow and the first cooling fin that increase left and right directions are unlikely to rest on first cooling fin at middle part
On, it increases the contact area of air-flow in the front-back direction and the second cooling fin and air-flow is unlikely to rest on second heat dissipation at middle part
On piece, so that air-flow maximumlly passes through cooling fin and takes away the heat of cooling fin, and first cooling fin at middle part and second dissipates
Backing is not in convection current blind area, improves radiating efficiency, to play a good heat dissipation effect.Of the invention whereby dissipates
Hot device is by increasing upper and lower, left and right and the in the front-back direction contact area of air-flow and cooling fin, so that the heat dissipation of radiator entirety
Effect greatly improves.
The thickness of first cooling fin is set as gradually becoming smaller from inside to outside, so that the first cooling fin is stronger, and the change of thickness
Change so that the first cooling fin forms the gradient, so that dust storm and rainwater are not easy to be adhered to the inside of cooling fin, so as to better
Anti- ponding and dust accumulation.
Inclined first outer surface is total on arcuate top wall, the third cooling fin being linked together and the second cooling fin, mounting base
With the blowdown path for forming an entirety, it can be very good to guide rainwater or sand and dust by the path and drained into radiator
Except, in case pollution radiator, causes air-flow that cannot circulate on a heat sink and then influences radiating efficiency.And arcuate top wall makes
Rainwater or dust accumulation are easier that the gravity of itself is relied on to slide to two sides.The first outer surface being inclined outwardly from top to bottom in mounting base
Air-flow, which can be guided, can smoothly enter into the first cooling fin or the second cooling fin, and rainwater or dust accumulation can also be allowed to be inclined outwardly to discrete
The hot farther place of device, prevents rainwater or radiator bulk deposition by radiator, radiator is caused to be submerged.
As shown in Figure 5 and Figure 6, present invention simultaneously provides a kind of inductance high efficiency and heat radiation knots using above-mentioned cladded type radiator
Structure, further includes inductance 8, felt pad 9 and thermal conductive insulation glue, and inductance 8 is placed in the accommodating cavity of cladded type radiator heat-dissipation main body 1
In, felt pad 9 is set between the upper end of inductance 8 and the roof of accommodating cavity, and the gap between inductance 8 and accommodating cavity is filling to lead
Thermal insulation glue.The cross section of inductance 8 is octagon, and the octagon approximate ellipsoidal, the cross section of heat sink body 1 is approximate with this ellipse
Round corresponding, highest first cooling fin that extends outwardly in the first cooling fin 21 is located at the short axle extended line of the approximate ellipsoidal
On.
Inductance is placed in the accommodating cavity on heat sink body by inductance high-efficiency heat radiation structure of the invention, to play one
A good protective action, and inductance is filled with the gap in accommodating cavity by thermal conductive insulation glue, to pass through heat conductive insulating
Glue radiates the heat transfer of inductance to heat sink body, then by the cooling fin on heat sink body.The present invention fully considers
The problem of will form the heat flow field of approximate ellipsoidal to the inductance of approximate ellipsoidal, multiple first cooling fins and multiple second are dissipated
Backing is set around around inductance and is distributed in approximate ellipsoidal, and the highest first cooling fin position that extends outwardly in the first cooling fin
In in the short axle of the approximated ellipse in heat sink body cross section.In this way, the position that inductance calorific value is big, cooling fin dissipates
Heat area also increases accordingly, and the position that inductance calorific value is small, the heat dissipation area of cooling fin also accordingly reduce.So that heat dissipation
Device also has preferable economy, cost performance with higher while high efficiency and heat radiation.
Description above describe the preferred embodiment of the present invention, it is to be understood that the present invention is not limited to above-mentioned implementation
Example, and excluding other embodiments should not be regarded as.Enlightenment through the invention, those skilled in the art combine known or existing
The change that technology, knowledge are carried out also should be regarded as within the scope of the present invention.
Claims (8)
1. a kind of cladded type radiator, including heat sink body, the heat sink body includes accommodating cavity, the bottom of the accommodating cavity
Portion offers power supply component and places opening in it, which is characterized in that and it further include several first cooling fins and mounting base, it is described
Mounting base is set to the bottom of heat sink body, and the opening is set to the horizontal bottom of mounting base；The mounting base is equipped with the first appearance
Face, first outer surface are inclined outwardly from top to bottom；The heat sink body is equipped with the first outer wall, and first cooling fin is vertical
Plane and vertical first outer wall where opening extend outwardly；Along perpendicular on the direction of the first cooling fin, closer to the direction
First cooling fin at middle part is higher from the outwardly extending height of the first outer wall；And the cross section of the first cooling fin outer rim
It is arranged in evagination arc-shaped.
2. a kind of cladded type radiator according to claim 1, which is characterized in that further include several second cooling fins, institute
Stating heat sink body further includes second outer wall adjacent with the first outer wall, and second cooling fin is perpendicular to plane where opening and hangs down
Straight second outer wall extends outwardly；The cross section of the second cooling fin outer rim linearly arranges or arranges in the following manner:
Along perpendicular on the direction of the second cooling fin, the second cooling fin in the middle part of the direction extends outwardly from the second outer wall
Height it is higher.
3. a kind of cladded type radiator according to claim 2, which is characterized in that further include several third cooling fins, institute
Stating heat sink body further includes roof, and the vertical roof of the third cooling fin upwardly extends, the third cooling fin and the second heat dissipation
Piece is linked together.
4. a kind of cladded type radiator according to claim 3, which is characterized in that the roof is being parallel to third heat dissipation
It is arc on the direction of piece longitudinal cross-section, the radius of curvature of the arc is the 300%~500% of the maximum length of radiator, circle
Heart angle is 5 °~15 °.
5. a kind of cladded type radiator according to claim 2, which is characterized in that first cooling fin and/or second
Gap is equipped between the bottom of cooling fin and the first outer surface.
6. according to claim 1 or 5 a kind of described in any item cladded type radiators, which is characterized in that further include sealing plate, close
Seal, the sealing plate are equipped with connection path, and the mounting base bottom surface is equipped with the first mounting hole and the second mounting hole, first peace
For installing sealing plate in the bottom of mounting base, second mounting hole is used for fixed mounting in dress hole；First mounting hole and
The periphery of second mounting hole is equipped with groove, and the sealing ring is set in groove.
7. a kind of inductance high-efficiency heat radiation structure, which is characterized in that described in any item a kind of claddings including claim 1 to 6
Type radiator, further includes inductance, felt pad and thermal conductive insulation glue, and the inductance is placed in the accommodating cavity of cladded type radiator
In, the felt pad is set between the upper end of inductance and the roof of accommodating cavity, the gap between the inductance and accommodating cavity
Filling thermal conductive insulation glue.
8. a kind of inductance high-efficiency heat radiation structure according to claim 7, it is characterised in that: the cross section of the inductance is eight
Side shape, the octagon approximate ellipsoidal, the cross section of the heat sink body is corresponding with the approximate ellipsoidal, and described first dissipates
Highest first cooling fin that extends outwardly in backing is located on the short axle extended line of the approximate ellipsoidal.
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| CN201710054627.9A CN106604620B (en) | 2017-01-24 | 2017-01-24 | A kind of cladded type radiator and a kind of inductance high-efficiency heat radiation structure |
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| JP6546239B2 (en) * | 2017-10-05 | 2019-07-17 | ファナック株式会社 | Electronic device |
| TWI731622B (en) * | 2020-03-17 | 2021-06-21 | 亞旭電腦股份有限公司 | Automotive electronic device |
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| CN206517724U (en) * | 2017-01-24 | 2017-09-22 | 厦门科华恒盛股份有限公司 | A kind of cladded type radiator and a kind of inductance high-efficiency heat radiation structure |
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