CN106132163B - A kind of T shape air duct heat dissipating devices using trapezoidal radiating fin - Google Patents
A kind of T shape air duct heat dissipating devices using trapezoidal radiating fin Download PDFInfo
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- CN106132163B CN106132163B CN201610555792.8A CN201610555792A CN106132163B CN 106132163 B CN106132163 B CN 106132163B CN 201610555792 A CN201610555792 A CN 201610555792A CN 106132163 B CN106132163 B CN 106132163B
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- air outlet
- radiating fin
- trapezoidal
- cuboid
- radiator
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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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20154—Heat dissipaters coupled to components
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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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The present invention provides a kind of T shape air duct heat dissipating devices using trapezoidal radiating fin, and including shell, cuboid radiator, L-shaped square tube and induced draft fans, cuboid radiator is hollow cuboid, and axial both ends are air inlet, and side wall outputs air port；Evenly distributed several trapezoidal radiating fins are fixed on two side of the cuboid lumen of radiator relatively and perpendicular to air outlet, trapezoidal radiating fin is perpendicularly oriented to one section of air outlet as rectangular slab, be parallel to air outlet one section is right-angled trapezium plate, and the upper bottom edge of right-angled trapezium plate is perpendicularly oriented to the air inlet nearer apart from rectangular slab；Air outlet connects induced draft fans by L-shaped square tube；Installation T/R components on the outside of the two side of connected trapezoidal radiating fin；T/R components are sealed between cuboid radiator air inlet and air outlet by shell.The configuration of the present invention is simple, small, light-weight, easy to process, heat dissipation effect is balanced, disclosure satisfy that the three proofings requirement of Connectors for Active Phased Array Radar.
Description
Technical field
The present invention relates to electronic equipment dissipating heat field, the heat dissipation more particularly to T/R components in Connectors for Active Phased Array Radar fills
It puts.
Background technology
Any electronic equipment is intended to store or work under certain environmental conditions, and temperature is to the shadow of electronic equipment among these
Sound is particularly important.T/R components propose very high requirement, the feasible type of cooling to cooling and thermal control in Connectors for Active Phased Array Radar
One of the important foundation that radar has high reliability index request is become with excellent cooling effect.It is applied to T/R groups at present
The radiating mode of part mainly forces liquid cold and forced air cooling.It forces liquid cooling structure more complicated, needs the cold system of liquid of complete set
System, weight and volume is larger, is not suitable for using the product of weight and finite volume condition.What forced air cooling used mostly
It is open air cooling system, thus the energy force difference of anti-adverse environment, it is not easy to realize the three proofings requirement of radar；Also have using radiation air
The structure type in road, mode use simultaneously for the air blast of air duct one end or one end exhausting or both.These air cooling way are certain
Solves the heat dissipation problem of T/R components in degree, but there is also inlet air flow path is long, windage is big, T/R component uniform temperature differences etc.
Shortcoming；Or to solve T/R component uniform temperatures, cooling fin is made the taper or stairstepping that one end is small, the other end is big, makes wind in this way
Bigger is hindered, the only wind turbine of installation power bigger could solve the problems, such as this, cause energy waste.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of T shape air duct heat dissipating devices using trapezoidal radiating fin,
Temperature is unbalanced after can solving the problems, such as the T/R component dense arrangements in Connectors for Active Phased Array Radar.
The technical solution adopted by the present invention to solve the technical problems is：Including shell, cuboid radiator, L-shaped square tube
And induced draft fans.
The cuboid radiator is hollow cuboid, and axial both ends of the surface opening as air inlet, is opened among side wall
There are one air outlets；Evenly distributed several trapezoidal radiating fins are fixed on the opposite two side of cuboid lumen of radiator,
The two side is mutually perpendicular to side wall where air outlet, and the trapezoidal radiating fin is divided into orthogonal two sections, vertically
One section of side wall is rectangular slab where air outlet, and is perpendicularly oriented to air outlet, and one section of side wall is where being parallel to air outlet
Right-angled trapezium plate, the rectangular slab described in the bottom connection of right-angled trapezium plate, the upper bottom edge of right-angled trapezium plate is perpendicularly oriented to distance
The nearer air inlet of rectangular slab, the right-angle side of right-angled trapezium plate are connected the two side, the right-angled trapezium being connected on two side
The bevel edge of plate is opposite；The air outlet connects induced draft fans by L-shaped square tube；Pacify on the outside of the two side of connected trapezoidal radiating fin
Fill T/R components；T/R components are sealed between cuboid radiator air inlet and air outlet by the shell.
In the trapezoidal radiating fin, several trapezoidal radiating fins close to side wall where air outlet do not have rectangular panel sections,
And the base of right-angled trapezium plate is not connect with the rectangular slab of other trapezoidal radiating fins.
Length L between described two air inlets of cuboid radiator0=L2N/2+5 (N/2-1), air outlet place
The distance L of side wall and opposing sidewalls3=L2+ 15mm, wherein, N and L2The respectively quantity and width of T/R components；The cuboid
The thickness L of radiator4=d2+ 25mm, wherein, d2Width for air outlet；The spacing of adjacent trapezoidal cooling finWherein, L6For the bottom edge lengths of right-angled trapezium plate, v is kinematic viscosity, and β is fluid expansion coefficient, Δ
t1For trapezoidal radiating fin surface temperature and ambient temperature differences, prFor Prandtl number；The quantity N of trapezoidal radiating fin with rectangular slab1
=(d1-20)/(d3+d4), quantity N1Rounding, d3For trapezoidal radiating fin thickness.
The cuboid radiator and L-shaped square tube selects welding antirust aluminum material to be processed.
The beneficial effects of the invention are as follows：Heat dissipation effect is balanced, shortens the flow path of air in air duct, reduces air duct
The flow resistance of middle air；Secondary heat dissipation is realized by using the T shapes air duct heat dissipating device of trapezoidal radiating fin, meet active simultaneously
The three proofings requirement of phased-array radar.The apparatus structure is simple, small, light-weight, easy to process.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structural upright schematic diagram of cuboid radiator；
Fig. 3 is the structure top view of cuboid radiator；
Fig. 4 is the structure diagram of cuboid lumen of radiator, wherein, (a) is front view, (b) be (a) H-H to regarding
Figure；
Fig. 5 is the structure diagram of cuboid lumen of radiator, wherein, (a) is vertical view, (b) be (a) K-K to regarding
Figure, (c) is the partial enlarged view of (b)；
Fig. 6 is the structure diagram of L-shaped square tube；
Fig. 7 is the three-view diagram of L-shaped square tube, wherein, (a) is front view, and (b) is right view, and (c) is vertical view；
In figure, 1- shells, cuboid radiator hollow 2-, 3-L shape square tubes, 4- induced draft fans, 5-T/R components, 6- ladders
Shape cooling fin.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples, and the present invention includes but are not limited to following implementations
Example.
T shapes air duct heat dissipating device provided by the invention using trapezoidal radiating fin includes shell, cuboid radiator, L-shaped
Square tube and induced draft fans.
The cuboid radiator is hollow cuboid, and axial both ends of the surface opening as air inlet, is opened among side wall
There are one air outlets；Evenly distributed several trapezoidal radiating fins are fixed on the opposite two side of cuboid lumen of radiator,
The two side is mutually perpendicular to side wall where air outlet, and the trapezoidal radiating fin is divided into orthogonal two sections, vertically
One section of side wall is rectangular slab where air outlet, and is perpendicularly oriented to air outlet, and one section of side wall is where being parallel to air outlet
Right-angled trapezium plate, the rectangular slab described in the bottom connection of right-angled trapezium plate, the upper bottom edge of right-angled trapezium plate is perpendicularly oriented to distance
The nearer air inlet of rectangular slab, the right-angle side of right-angled trapezium plate are connected the two side, the right-angled trapezium being connected on two side
The bevel edge of plate is opposite；The air outlet connects induced draft fans by L-shaped square tube；Pacify on the outside of the two side of connected trapezoidal radiating fin
Fill T/R components；T/R components are sealed between cuboid radiator air inlet and air outlet by the shell.
In the trapezoidal radiating fin, several trapezoidal radiating fins close to side wall where air outlet do not have rectangular panel sections,
And the base of right-angled trapezium plate is not connect with the rectangular slab of other trapezoidal radiating fins.
The structure of the embodiment of the present invention as shown in Figure 1, it be by shell 1, hollow cuboid radiator 2, L-shaped square tube 3,
Induced draft fans 4, T/R components 5 form.The structure of cuboid radiator 2 as shown in Figure 2 and Figure 3, transverse ends face be respectively into
Air port A and air inlet B, lateral mid-point have the air outlet C identical with chamber size in L-shaped square tube 31.With air outlet C1It is adjacent
The evenly distributed trapezoidal radiating fin 6 of 2 inner cavity of cuboid radiator (as shown in Figure 4, Figure 5), two apparent surface.Among its transverse direction
At position, trapezoidal radiating fin 6 is perpendicularly oriented to air outlet C1(air outlet C1Size d1, trapezoidal radiating fin 6 thickness d3, spacing d4
It determines to be directed toward air outlet C1Trapezoidal radiating fin 6 quantity).6 corresponding 2 outer wall of cuboid radiator of trapezoidal radiating fin installs T/
R components 5.The air inlet C of L-shaped square tube 3 (as shown in Figure 6, Figure 7)2With the air outlet C of cuboid radiator 21It is tightly connected, goes out
Air port C3And it is tightly connected between air inlet A, the air inlet B and shell 1 of cuboid radiator 2.Induced draft fans 4 are mounted on L-shaped
The air outlet C of square tube 33On.Cuboid radiator 2 and L-shaped square tube 3 are made of the metal material with thermal conductive resin.
The implementation process of the present invention is further illustrated with reference to Fig. 1~Fig. 7：
1. according to the total thermal power P of T/R components and flow formula Q=P/ (CPρ Δ t) determine the wind of induced draft fans 4
Amount, CPFor the specific heat of air, ρ is atmospheric density, and Δ t is that air inlet A, air inlet B and the L-shaped square tube 3 of cuboid radiator 2 go out
Air port C3Designed temperature difference；According to the quantity N of T/R components, length L1, width L2Determine the length L of cuboid radiator 20(L0=
L2·N/2+5·(N/2- 1)), width L3(L3=L2+15mm)；2 outlet air of cuboid radiator is determined according to thermal design software optimization
Mouth C1Size d1、d2And the size L of trapezoidal radiating fin 65、L6、θ、d3, the thickness L of cuboid radiator 24=d2+25mm；
The spacing d of trapezoidal radiating fin 64According to formulaAnd thermal design software optimization determines, L6For trapezoidal radiating fin
Maximum height, v are kinematic viscosity, and β is fluid expansion coefficient, Δ t1For trapezoidal radiating fin surface temperature and ambient temperature differences, prFor
Prandtl number；It is perpendicularly oriented to air outlet C1Trapezoidal radiating fin 6 quantity N1According to formula N1=(d1-20)/(d3+d4) determine,
Quantity N1Rounding；The interior chamber size d of L-shaped square tube 35=d1, d6=d2。
2. cuboid radiator 2 selects welding antirust aluminum material, in its lateral mid-point processing air outlet C1, and
In its inner cavity, two apparent surfaces processes trapezoidal radiating fin 6, in air outlet C1Place, what trapezoidal radiating fin 6 was processed is oriented vertical finger
To air outlet C1；L-shaped square tube 3 selects welding antirust aluminum material to be processed.
3. by one end of L-shaped square tube 3 and the air outlet C of cuboid radiator 21Connected with national standard fastener and gasket sealing
It connects.
4. T/R components 5 are connected to the outer wall of 6 corresponding cuboid radiator 2 of trapezoidal radiating fin with national standard fastener.
5. by the air outlet C of the air inlet A of cuboid radiator 2, air inlet B and L-shaped square tube2It is tight with national standard with housing 1
Firmware and gasket are tightly connected.
6. induced draft fans 4 are connected to the air outlet C of L-shaped square tube with national standard fastener2On.
7. when T/R components 5 work, induced draft fans 4 open work simultaneously, air force from cuboid radiator 2 into
Air port A and air inlet B is flowed into, and is flowed through the gap between trapezoidal radiating fin 6, is taken away T/R components 5 and be transmitted on trapezoidal radiating fin 6
Heat, then pass through air outlet C1, L-shaped square tube 6 finally taken away by induced draft fans 4.
Claims (4)
1. a kind of T shape air duct heat dissipating devices using trapezoidal radiating fin, including shell, cuboid radiator, L-shaped square tube and exhausting
Wind turbine, it is characterised in that：The cuboid radiator is hollow cuboid, axial both ends of the surface opening, as air inlet, side
Air outlet there are one being opened among wall；It is fixed on the opposite two side of cuboid lumen of radiator evenly distributed several trapezoidal
Cooling fin, the two side are mutually perpendicular to side wall where air outlet, and the trapezoidal radiating fin is divided into orthogonal two
Section, one section perpendicular to side wall where air outlet is rectangular slab, and be perpendicularly oriented to air outlet, side wall where being parallel to air outlet
One section is right-angled trapezium plate, and the rectangular slab described in the bottom connection of right-angled trapezium plate, the upper bottom edge of right-angled trapezium plate vertically refers to
To the air inlet nearer apart from rectangular slab, the right-angle side of right-angled trapezium plate is connected the two side, is connected on two side straight
The bevel edge of angle trapezoidal plate is opposite；The air outlet connects induced draft fans by L-shaped square tube；The two side of connected trapezoidal radiating fin
Outside is installed by T/R components；T/R components are sealed between cuboid radiator air inlet and air outlet by the shell.
2. the T shape air duct heat dissipating devices according to claim 1 using trapezoidal radiating fin, it is characterised in that：The ladder
In shape cooling fin, several trapezoidal radiating fins where air outlet on side wall do not have rectangular panel sections, and the base of right-angled trapezium plate
It is not connect with the rectangular slab of other trapezoidal radiating fins.
3. the T shape air duct heat dissipating devices according to claim 1 using trapezoidal radiating fin, it is characterised in that：It is described rectangular
Length L between two air inlets of body radiator0=L2N/2+5 (N/2-1), side wall where air outlet and opposing sidewalls
Distance L3=L2+ 15mm, wherein, N and L2The respectively quantity and width of T/R components；The thickness L of the cuboid radiator4=
d2+ 25mm, wherein, d2Width for air outlet；The spacing of adjacent trapezoidal cooling finWherein, L6For right angle
The bottom edge lengths of trapezoidal plate, v are kinematic viscosity, and β is fluid expansion coefficient, Δ t1For trapezoidal radiating fin surface temperature and environment
Temperature difference, prFor Prandtl number；The quantity N of trapezoidal radiating fin with rectangular slab1=(d1-20)/(d3+d4), quantity N1Rounding,
d3For trapezoidal radiating fin thickness；d1Length for air outlet.
4. the T shape air duct heat dissipating devices according to claim 1 using trapezoidal radiating fin, it is characterised in that：The length
Cube radiator and L-shaped square tube select welding antirust aluminum material to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610555792.8A CN106132163B (en) | 2016-07-14 | 2016-07-14 | A kind of T shape air duct heat dissipating devices using trapezoidal radiating fin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610555792.8A CN106132163B (en) | 2016-07-14 | 2016-07-14 | A kind of T shape air duct heat dissipating devices using trapezoidal radiating fin |
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| CN106132163A CN106132163A (en) | 2016-11-16 |
| CN106132163B true CN106132163B (en) | 2018-06-29 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108770308B (en) * | 2018-06-27 | 2024-04-05 | 江苏英杰电子器件有限公司 | Heat absorption bottom plate for radiator |
| CN110417238A (en) * | 2019-06-28 | 2019-11-05 | 西安中车永电电气有限公司 | A kind of traction convertor cabinet for guide rail electric car |
| CN113301762B (en) * | 2020-05-22 | 2023-02-28 | 西安黄河机电有限公司 | Heat abstractor and phased array radar structure |
| CN111669941B (en) * | 2020-06-08 | 2022-06-14 | 西安黄河机电有限公司 | Double-layer air duct heat dissipation device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM287462U (en) * | 2005-08-10 | 2006-02-11 | Asia Vital Components Co Ltd | CPU heat sink and its bottom plate |
| CN2854416Y (en) * | 2005-12-19 | 2007-01-03 | 姜杰 | Convector radiator with two-way air ventilation copper pipe |
| CN102883585A (en) * | 2012-08-14 | 2013-01-16 | 陕西黄河集团有限公司 | Multi-step-shaped cooling-fin-type closed cooling device |
-
2016
- 2016-07-14 CN CN201610555792.8A patent/CN106132163B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM287462U (en) * | 2005-08-10 | 2006-02-11 | Asia Vital Components Co Ltd | CPU heat sink and its bottom plate |
| CN2854416Y (en) * | 2005-12-19 | 2007-01-03 | 姜杰 | Convector radiator with two-way air ventilation copper pipe |
| CN102883585A (en) * | 2012-08-14 | 2013-01-16 | 陕西黄河集团有限公司 | Multi-step-shaped cooling-fin-type closed cooling device |
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| CN106132163A (en) | 2016-11-16 |
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