The content of the invention
The purpose of this utility model is to provide a kind of radiator structure, to solve the radiating knot of existing virtual reality products
The not good defect of structure radiating effect.
Therefore, the utility model provides a kind of radiator structure, the radiator structure is arranged on product casing and heating part
Between part, the radiator structure includes being provided with stone on the outside of the trapezoidal air channel being arranged on the product casing, the trapezoidal air channel
Black alkene thermally conductive sheet, the heat generating components is arranged on above the graphene thermally conductive sheet;Also include being arranged on the graphene heat conduction
Conducting foam on piece, the conducting foam is arranged on the surrounding of the heat generating components, and the conducting foam and the heating
Between part spaced a predetermined distance.
The utility model additionally provides a kind of virtual reality products, and the virtual reality products include radiating as described above
Structure.
Compared with prior art, advantage of the present utility model and good effect are:The utility model provides a kind of radiate
Structure and virtual reality products, radiator structure are arranged between product casing and heat generating components, and radiator structure includes being arranged on production
Graphene thermally conductive sheet is provided with the outside of trapezoidal air channel on product shell, trapezoidal air channel, heat generating components is arranged on graphene thermally conductive sheet
Side;Also include the conducting foam being arranged on graphene thermally conductive sheet, conducting foam is arranged on the surrounding of heat generating components, and conductive bubble
Between cotton and heat generating components spaced a predetermined distance.Heat generating components is arranged on above graphene thermally conductive sheet, and graphene thermally conductive sheet has
High thermal conductivity and radiation coefficient, the heat that can produce heat generating components are quickly delivered to trapezoidal air channel.By trapezoidal
Air channel can be transferred heat to outside product, and trapezoidal air channel relies on Natural Heat Convection under natural cooling state;Trapezoidal wind
The lower section in road is air intake vent, and top is air outlet, flowing underneath of the air outside trapezoidal air channel along trapezoidal air channel to top;
Trapezoidal air channel has vertical bank, according to stack effect, air along trapezoidal air channel flow up when, air is heated by
Temperature difference can be formed cross-ventilation reinforcement phenomenon so that air along trapezoidal air channel can be quickly be diffused, so as to
So that the heat in trapezoidal air channel is quickly spread into discharge.In addition, radiator structure avoids being radiated using heat emission hole, and by ladder
Shape air channel can realize the sealing of product cavity, so as to realize effective dustproof effect.Radiator structure uses conducting foam
It instead of the radome that existing radiator structure is used, it is possible to reduce the weight of product, conducting foam by compression by playing close
The anti-electromagnetic interference of seal thermal part and the effect of static electricity on human body, another aspect heat conduction foam are not involved in heat conduction, reduce scattered
The thermal resistance of heat structure, serves the effect of optimization radiating.
It is read in conjunction with the figure after embodiment of the present utility model, other features and advantage of the present utility model will become
Obtain clearer.
Embodiment
Embodiment of the present utility model is described in detail below, it should be appreciated that described herein
Embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
As Figure 1-Figure 5, the radiator structure of the present embodiment is arranged between product casing 60 and heat generating components 30, radiating
Structure includes the trapezoidal air channel 10 being arranged on product casing 60, and the trapezoidal outside of air channel 10 is provided with graphene thermally conductive sheet 20;Heating
Part 30 is arranged on the top of graphene thermally conductive sheet 20;Also include the conducting foam 40 being arranged on graphene thermally conductive sheet 20, it is conductive
Foam 40 is arranged between the surrounding of heat generating components 30, and conducting foam 40 and heat generating components 30 spaced a predetermined distance.This makes a reservation for
Distance can be depending on design, such as 0.1mm, 0.5mm etc..
Wherein, heat generating components 30 can be the structure that master chip or power supply chip etc. distribute heat.
Heat generating components 30 is arranged on the top of graphene thermally conductive sheet 20, and graphene thermally conductive sheet 20 has high thermal conductivity and spoke
Coefficient is penetrated, the heat that can produce heat generating components 30 is quickly delivered to trapezoidal air channel 10.Can be by by trapezoidal air channel 10
Heat transfer is to outside product, and trapezoidal air channel 10 relies on Natural Heat Convection under natural cooling state;As shown in Figures 2 and 3,
The lower section in trapezoidal air channel 10 is air intake vent, and top is air outlet, flowing underneath of the air along trapezoidal air channel 10 to top;According to
Stack effect, air along trapezoidal air channel 10 flow up when, air be heated by temperature difference can be formed cross-ventilation reinforcement
Phenomenon so that air along trapezoidal air channel 10 can be quickly be diffused, so as to which the heat in trapezoidal air channel 10 is fast
The diffusion discharge of speed.In addition, the radiator structure of the present embodiment avoids being radiated using heat emission hole, and can by trapezoidal air channel 10
To realize the sealing of product cavity, so as to realize effective dustproof effect.The radiator structure of the present embodiment is steeped using conductive
Cotton 40 instead of the radome that existing radiator structure is used, it is possible to reduce the weight of product, and conducting foam 40 is by being compressed
Play a part of the sealing anti-electromagnetic interference of heat generating components 30 and static electricity on human body, another aspect heat conduction foam 40 is not involved in heat biography
Lead, reduce the thermal resistance of radiator structure, serve the effect of optimization radiating;It is spaced between conducting foam 40 and heat generating components 30 pre-
Set a distance, can flow out certain compression stroke to conducting foam 40, it is ensured that conducting foam 40 can play closed shield effect.
The structure such as fin and radome is removed between the radiator structure and heat generating components 30 of the present embodiment, it is possible to reduce heat transfer process
In thermal contact resistance.
In summary, the radiator structure of the present embodiment can realize effective radiating, while dustproof effect can be played, also
Product weight can be reduced.
In some embodiments, the thickness of conducting foam 40 is more than the thickness of heat generating components 30.Conducting foam in encapsulation process
40, by height of the thickness still above heat generating components 30 of the conducting foam 40 after compression in the state of compression, can play very well
Sealing or encapsulation function.
The guided missile foam 40 of some embodiments is annular, and heat generating components 30 is located inside conducting foam 40.
Upper and lower two orientation that the present embodiment is defined are determined with the view direction relation shown in Fig. 2 and Fig. 3, not
It is the limitation to the present embodiment, is intended merely to react the air outlet and air intake vent in trapezoidal air channel 10 with clearing.
As shown in Figures 2 and 3, trapezoidal air channel 10 includes the lug boss 11 being arranged on product casing 60 and is arranged on projection
The connecting portion 12 of the both sides of portion 11, lug boss 11 and two connecting portions 12 and portioned product shell 60 constitute trapezoidal.
Trapezoidal height is the D in 10mm-15mm, preferably 13mm, trapezoidal height corresponding diagram 2.
Trapezoidal is the B and A, B in isosceles trapezoid, the length at the upper bottom of isosceles trapezoid and the length difference corresponding diagram 3 of bottom
For 1.5 times -2 times of A, B is less than 100mm;It can be seen from the hot-fluid cloud atlas in product model heat emulation, near heating sources 50mm scopes
Interior is effective heat dissipation region, so the upper bottom length B in trapezoidal air channel 10 can realize effective radiating when being less than 100mm.
The minimum angle of isosceles trapezoid is the α in 50 ° -60 °, the minimum angle corresponding diagram 3 of isosceles trapezoid.
The area of the air outlet in trapezoidal air channel 10 is S, S=BD, is required according to Duct design, S=Q/(7.4×10-5H×Δ
t1.5), wherein Q is total heat dissipation capacity of virtual reality products, and H is the height of virtual reality products, and Δ t is in virtual reality products
Outer difference in air temperature.
The trapezoidal air channel 10 of the present embodiment is symmetrical isosceles trapezoid, and even heat transmission on the one hand can be caused to be distributed to
It on trapezoidal air channel 1, on the other hand can ensure the uniformity and uniformity of air flow, and reduce air flow resistance so that
Air evenly and rapidly flows along trapezoidal air channel 10, is more beneficial for discharging heat diffusion.
Trapezoidal air channel 10 is integrally formed with product casing 60.
Graphene thermally conductive sheet 20 is adapted with the shape in trapezoidal air channel 10, can cause graphene thermally conductive sheet 20 and trapezoidal wind
Heat transfer between road 10 is more uniform quick, improves heat conduction efficiency.
Graphene thermally conductive sheet 20 is pasted onto in the outside in trapezoidal air channel 10, the present embodiment, and graphene thermally conductive sheet 20 is pasted onto
The outside of the lug boss 11 in trapezoidal air channel 10, it is preferred that the outside of lug boss 11 is provided with locating dowel(It is not shown), can be with
Positioning action is played to graphene thermally conductive sheet 20 so that graphene thermally conductive sheet 20 can consolidate the outside for being arranged on lug boss 11.
Heat conductive silica gel 50 is provided between heat generating components 30 and graphene thermally conductive sheet 20, the thickness of heat conductive silica gel 50 is 0.4mm-
C in 0.6mm, the thickness corresponding diagram 1 of heat conductive silica gel 50.Heat generating components 30 is connected by heat conductive silica gel 50 with graphene thermally conductive sheet 20
Connect, between heat generating components 30 and graphene thermally conductive sheet 20 by heat conductive silica gel 50 carry out heat conduction, with the prior art according to
Heat conduction is carried out by air to compare, heat conductive silica gel 50 can reduce the contact between heat generating components 30 and graphene thermally conductive sheet 20
Thermal resistance, shortens heat conduction path, improves heat conduction efficiency.The thickness of heat conductive silica gel 50 be 0.4mm-0.6mm, preferably 0.5mm, both
The requirement for improving heat conduction efficiency can be met, the matching requirements of radiator structure can be met again.
The utility model provides a kind of virtual reality products, and virtual reality products include the radiator structure of the present embodiment,
Fig. 6 and Fig. 7 is a kind of structural representation of embodiment of virtual reality products of the present utility model, the virtual reality of the present embodiment
Product includes the radiator structure of shell 80, pcb board 90 and the present embodiment after product fore shell 70, product casing 60, product, product fore shell
70 and product casing 60 be arranged on after product on shell 80, pcb board 90 is arranged on the top of heat generating components 30;Trapezoidal air channel 10 is set
On product casing 60, and trapezoidal air channel 10 be located at behind the side of the shell 80 after the product, trapezoidal air channel 10 and product shell 80 it
Between there is space, the wind outside virtual reality products can enter and traveling along trapezoidal air channel 10 from space and flow.The present embodiment
The radiator structure that virtual reality products employ the present embodiment is radiated so that the virtual reality products radiating effect of the present embodiment
It is really good, it is lightweight, with preferable dust-proof effect.
In addition, above-mentioned virtual reality products can also be using the other structures in Fig. 1-Fig. 7 of above-mentioned introduction.
Above example is only illustrating the technical solution of the utility model, rather than is limited;Although with reference to before
Embodiment is stated the utility model is described in detail, for the person of ordinary skill of the art, still can be right
Technical scheme described in previous embodiment is modified, or carries out equivalent substitution to which part technical characteristic;And these
Modifications or substitutions, do not make appropriate technical solution essence depart from the utility model technical scheme claimed spirit and
Scope.