Disclosure of Invention
The invention provides the radiator for radiating the large heat-generating quantity VPX plug-in, which aims to solve the technical problems, solve the radiating problems of large total heat quantity and concentrated heat source and improve the radiating performance.
The technical scheme for solving the technical problems is as follows: a heat sink for dissipating heat from a large heat generating VPX card, comprising:
the radiating base plate is provided with radiating fins on one surface;
and the heat pipe is connected to the other surface of the heat dissipation substrate.
The invention has the beneficial effects that: (1) the heat dissipation substrate is convenient to be attached and connected with the VPX plug-in, so that heat dissipation of the VPX plug-in is realized;
(2) the heat pipe can conduct the heat on the radiating substrate, can quickly transfer the heat from high temperature to low temperature, can realize temperature equalization of the radiating substrate, reduces the temperature of the VPX plug-in unit to the maximum extent, improves the environmental adaptability of the equipment, and has very wide application prospect;
(3) the radiator has simple structure and low manufacturing cost, and can be widely applied.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, the heat pipe is a plurality of, be equipped with a plurality of mounting groove on the another side of radiating basal plate, it is a plurality of the heat pipe is blocked respectively and is corresponded in the mounting groove, and with mounting groove's cell wall and tank bottom closely laminate.
The beneficial effect of adopting the further scheme is that: the heat pipe is embedded into the heat dissipation substrate, so that the heat conduction effect on the heat dissipation substrate is better.
Furthermore, a plurality of connecting bumps matched with the VPX plug-in units are arranged on the other surface of the heat dissipation substrate.
The beneficial effect of adopting the further scheme is that: the contact with each heating device on the VPX plug-in is facilitated, direct heat conduction is realized, and the heat dissipation effect is improved.
Further, the plurality of connection bumps are located on the surfaces of the plurality of heat pipes, and the heat of the plurality of connection bumps is communicated through the plurality of heat pipes.
The beneficial effect of adopting the further scheme is that: the heat pipe is beneficial to directly transferring heat to the heat pipe and dispersing the heat to the heat dissipation substrate, and the local over-high temperature of the heat dissipation substrate is avoided.
Further, the heat dissipation fins and one surface of the heat dissipation substrate are integrally formed.
The beneficial effect of adopting the further scheme is that: the contact resistance can be reduced.
Further, the height of each radiating fin is 85mm, the thickness of each radiating fin is 1mm, and the distance between every two adjacent radiating fins is 3 mm.
The beneficial effect of adopting the further scheme is that: the heat dissipation effect is improved.
Further, the heat pipe is flat, the length of the cross section of the heat pipe is 8mm, the width of the cross section of the heat pipe is 3mm, and the length of the heat pipe is 100 mm and 200 mm.
The beneficial effect of adopting the further scheme is that: the temperature equalizing effect on the heat dissipation substrate is improved.
Further, the thickness of the heat dissipation substrate is 3.5 mm.
The beneficial effect of adopting the further scheme is that: the strength and the heat dissipation capability of the heat dissipation substrate are improved.
Furthermore, the heat dissipation substrate is made of aluminum alloy, and the heat conductivity coefficient is 100-.
The beneficial effect of adopting the further scheme is that: the heat dissipation capability of the heat dissipation substrate is ensured.
Furthermore, the heat pipe is a copper pipe, and the heat conductivity coefficient is 10000-20000W/(m.K).
The beneficial effect of adopting the further scheme is that: the heat conduction performance of the heat pipe is ensured.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Examples
As shown in fig. 1 and 2, the present embodiment provides a heat sink for dissipating heat from a large heat generating VPX card, including: a heat-dissipating substrate 1 and a heat pipe 2.
One surface of the heat radiating substrate 1 is provided with heat radiating fins 4. The heat pipe 2 is connected to the other surface of the heat dissipating substrate 1.
Wherein, heat pipe 2 pastes and covers on the another side of radiating basal plate 1, and heat pipe 2 can switch on the heat of whole radiating basal plate 1, realizes that the heat of whole radiating basal plate 1 is even.
The heat pipe 2 can be bent as needed, and thus, the entire other surface of the heat dissipation substrate 1 can be bonded in all directions. The heat pipe 2 can be a solid pipe or a hollow pipe, and can be arranged as a hollow pipe for saving cost.
The appearance of the heat dissipation substrate 1 is reasonably bent and arranged, and the heat of the VPX plug-in unit is uniformly transferred in the heat dissipation substrate 1.
And a plurality of screw hole grooves are formed in the other surface of the heat dissipation substrate 1, so that the heat dissipation substrate is conveniently connected and fixed with a VPX plug-in unit.
The heat dissipation fins 4 are used to conduct and release heat, and can discharge the heat on the heat dissipation substrate 1, thereby achieving heat dissipation along with air flow.
The effect of the technical scheme of this embodiment is that, the heat dissipation base plate 1 through setting up is convenient to be connected with the laminating of VPX plug-in components, realizes the heat dissipation to the VPX plug-in components. The heat pipe 2 can conduct heat on the radiating substrate 1, can quickly transfer the heat to a low-temperature part from high temperature, can realize temperature equalization of the radiating substrate 1, reduces the temperature of the VPX plug-in unit to the maximum extent, improves the environmental adaptability of equipment, and has very wide application prospect. The radiator has simple structure and low manufacturing cost, and can be widely applied.
Preferably, in this embodiment, the number of the heat pipes 2 is multiple, the other surface of the heat dissipation substrate 1 is provided with a plurality of mounting grooves, and the plurality of heat pipes 2 are respectively clamped into the corresponding mounting grooves and tightly attached to the groove walls and the groove bottoms of the mounting grooves.
Wherein, heat pipe 2 and mounting groove one-to-one for during heat pipe 2 imbeds heat dissipation base plate 1, thereby the effect of conducting to the heat of heat dissipation base plate 1 is better. Wherein heat pipe 2 and mounting groove's tank bottom screwed connection can realize fixing heat pipe 2.
Preferably, in this embodiment, the other surface of the heat dissipation substrate 1 is provided with a plurality of connection bumps 3 adapted to the VPX plug-in. The connecting bumps 3 correspond to the heating devices on the VPX plug-in unit, so that heat conducted by the heating devices is received and spread in the heat dissipation substrate 1. Wherein, the connecting bump 3 is fixedly connected with the heat dissipation substrate 1 by welding.
Preferably, in the present embodiment, the plurality of connection bumps 3 are located on the surfaces of the plurality of heat pipes 2, and the plurality of connection bumps 3 are in thermal communication with the plurality of heat pipes 2. Therefore, heat received by the connecting bump 3 can directly enter the heat pipe 2 and be dispersed to the heat dissipation substrate 1 through the heat pipe 2, and the local temperature of the heat dissipation substrate 1 is prevented from being too high.
The size of the connecting bump 3 is set according to the size of the actual heating device, so that heat can be effectively transferred to the heat dissipation substrate 1. Wherein the connecting bump 3 may be made of copper.
Preferably, in the present embodiment, the heat dissipation fins 4 are integrally formed with one surface of the heat dissipation substrate 1. The radiating fins 4 increase the radiating area on one hand, and enhance the disturbance of the air flowing through the radiating fins 4 on the other hand, thereby achieving the purpose of enhancing heat transfer.
The heat radiating fins 4 and the heat radiating base plate 1 are integrally arranged, so that the contact thermal resistance can be reduced, heat on the heat radiating base plate 1 is transferred to the heat radiating fins 4 in a heat conduction mode, and finally the heat is taken away by cold air flowing through gaps among the heat radiating fins 4, so that the purpose of heat radiation is achieved.
Preferably, in the present embodiment, the height of the heat dissipation fin 4 is 85mm, the thickness is 1mm, and the distance between two adjacent heat dissipation fins 4 is 3 mm. The radiating efficiency is higher, and the radiating effect is better.
Preferably, in this embodiment, the heat pipe 2 is flat, the cross section of the heat pipe 2 has a length of 8mm and a width of 3mm, and the length of the heat pipe 2 is 100 mm and 200 mm. The dimensions of the heat pipe 2 can be selected as desired. Meanwhile, the heat pipe 2 can be bent according to requirements and changed into different structural forms, so that the whole heat dissipation substrate 1 is equalized, the highest temperature of cold air downstream components is reduced, the temperature difference between the upstream components and the downstream components is reduced, and the working reliability of the components on the VPX plug-in is improved.
Preferably, in the present embodiment, the thickness of the heat dissipation substrate 1 is 3.5 mm. The strength and heat dissipation capability of the heat dissipation substrate 1 are improved.
Preferably, in the present embodiment, the heat dissipation substrate 1 is an aluminum alloy, and the thermal conductivity is 100-. The heat dissipation capability of the heat dissipation substrate 1 is ensured.
Preferably, in this embodiment, the heat pipe 2 is a copper pipe, and the thermal conductivity is 10000-. The heat conduction performance of the heat pipe 2 is ensured, so that the temperature equalizing effect of the heat dissipation substrate 1 is better.
In the description of the present invention, it is to be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.