CN214316113U - Shielding case and electronic equipment - Google Patents

Abstract

The utility model discloses a shielding case and an electronic device, which comprises a shielding case main body, a plurality of first fins, a plurality of second fins and a heat dissipation device; the heat dissipation device is arranged at the center of the shield cover main body, the plurality of first fins are respectively arranged on two sides of the shield cover main body in parallel at intervals to form two first fin groups, the plurality of second fins are respectively arranged between the same ends of two ends of the two first fin groups in parallel at intervals to form a second fin group, the first fin group and the second fin group are perpendicular in orientation, and the first fin group and the second fin group are respectively arranged at intervals with the heat dissipation device. Compared with the prior art, beneficial effect lies in: the first fins and the second fins which are parallel and spaced are arranged on the peripheral sides of the centrifugal fan, so that the heat dissipation area is increased, the centrifugal fan is arranged in the middle of the shield cover main body, the heat dissipation speed is increased, the heat dissipation bottleneck is improved, heat dissipation is realized, and the heat dissipation requirement under the conditions of high frequency and large power consumption is met.

Description

Shielding case and electronic equipment

[ technical field ] A method for producing a semiconductor device

The utility model relates to a shield cover technical field, in particular to shield cover and electronic equipment.

[ background of the invention ]

When electronic components mounted on the printed circuit board work, electromagnetic radiation can be generated to interfere with each other, and in addition, the normal work of the electronic components can be influenced by external electromagnetic interference. In order to avoid the influence of electromagnetic radiation, it is now common to provide a sealed shielding case outside the electronic components, mainly for shielding the electronic components with a small volume, it is characterized by good shielding effect, simple processing and assembly, and some electronic components, such as chips of mobile phones, can generate heat when in work, if the heat is not dissipated in time, the working performance of the electronic element is affected, and the electronic element is seriously damaged, however, the conventional shielding can has no heat dissipation function, and most of the current electronic devices use passive heat dissipation schemes (graphite, heat pipe, VC), the heat dissipation scheme is effective for heating within 5W, and if the heat dissipation scheme exceeds 5W, the heat dissipation scheme is difficult to solve and often sacrifices the performance of some electronic equipment to meet the standard, so that the charging efficiency is low, and the customer experience is poor.

Accordingly, there is a need for a shielding case and an electronic device to overcome the above-mentioned drawbacks.

[ Utility model ] content

The utility model aims at providing a shield cover and electronic equipment aims at increasing the heat dissipation function of shield cover to promote the radiating efficiency of shield cover, satisfy the user demand under the condition of high-power, big consumption.

In order to achieve the above object, the present invention provides a shielding case and an electronic device, including a shielding case main body, a plurality of first fins, a plurality of second fins, and a heat dissipation device; the heat dissipation device is arranged at the center of the shield cover main body, the first fins are arranged in parallel and at intervals respectively, two first fin groups are formed on two sides of the shield cover main body, the second fins are arranged in parallel and at intervals respectively, two second fin groups are formed between the two ends of the first fin groups, the first fin groups are perpendicular to the orientation of the second fin groups, and the first fin groups and the second fin groups are arranged at intervals respectively with the heat dissipation device.

In a preferred embodiment, the first fin and the second fin are rectangular.

In a preferred embodiment, the peripheral edge of one side of the shield main body, which faces away from the heat sink, is provided with a bending part which bends towards the direction away from the heat sink.

In a preferred embodiment, the heat dissipation device is a centrifugal fan, and an air outlet end of the heat dissipation device faces the first fin group and the second fin group.

In a preferred embodiment, both ends of the first fin and the second fin are respectively triangular.

In a preferred embodiment, both ends of the first fin and the second fin are respectively arc-shaped.

Another aspect of the present invention provides an electronic device, the electronic device includes a circuit board and a shielding cover as described in any one of the above embodiments, the shielding cover is disposed on the circuit board.

Compared with the prior art, the utility model discloses a shield cover and electronic equipment, beneficial effect lies in: through set up a centrifugal fan in the centre of shield cover main part, the radiating rate accelerates, promote the radiating bottleneck, and set up a plurality of parallels and spaced first fin and second fin in the week side of centrifugal fan, increase heat radiating area, the heat is transmitted to on first fin and the second fin from the shield cover main part, centrifugal fan blows off natural wind from central suction and from week side, blow in on first fin and the second fin and the fin produces the heat exchange, and under the effect of wind pressure, the expanded hot air flows out electronic equipment, realize the heat dissipation, satisfy at the high frequency, the heat dissipation demand under the condition of big consumption.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of the present invention.

In the figure:

10. a shield case main body; 101. a bending part; 102. a concave cavity; 11. a first fin; 111. a first fin group; 12. a second fin; 121. a second fin group; 13. a heat sink is provided.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.

Referring to fig. 1, the present invention provides a shielding case and an electronic device, which are mainly used to increase the heat dissipation function of the shielding case, improve the heat dissipation efficiency of the shielding case, meet the use requirements under the conditions of high power and large power consumption, and make the use of the electronic device safer and more reliable.

In the embodiment of the present invention, the shielding case 100 includes a shielding case main body 10, a plurality of first fins 11, a plurality of second fins 12, and a heat dissipation device 13; the heat dissipation device 13 is arranged at the center of the shield cover main body 10, the first fins 11 are respectively arranged in parallel and at intervals on two sides of the shield cover main body 10 to form two first fin groups 111, the second fins 12 are respectively arranged in parallel and at intervals between two ends of the first fin groups 111 to form a second fin group 121, the first fin group 111 is perpendicular to the second fin group 121 in direction, and the first fin group 111 and the second fin group 121 are respectively arranged at intervals with the heat dissipation device 13.

Further, the shield main body 10 may be rectangular or circular or other shapes, and in this embodiment, describing this embodiment with a rectangular shape, the shield main body 10 may be made of metal or other materials with heat conductivity, a plurality of first fins 11 are respectively arranged on two sides of one surface of the shield main body 10 in parallel and at intervals along the length direction of the shield main body 10, so that the plurality of first fins 11 on each side form a first fin group 111 respectively, the first fin 11 is fixed on the shield main body 10 by welding, so that the connection firmness of the first fin 11 and the shield main body 10 is increased, meanwhile, heat of the shield cover main body 10 is conveniently transferred to the first fins 11, and an air channel is formed between the adjacent first fins 11 due to the spaced arrangement, so that natural wind can conveniently flow in the air channel, and the heat on the first fins 11 can be taken away; the plurality of second fins 12 are respectively arranged in parallel and at intervals on two sides of the width direction of the shield case main body 10 and are positioned between the same ends of the first fin groups 111 on the two sides to form a second fin group 121, and the second fin group 121 is arranged perpendicular to the first fin groups 111; the heat dissipation device 13 is disposed in the center of the shield case main body 10, the first fin group 111 and the second fin group 121 surround the heat dissipation device 13 in a rectangular shape, wherein the first fin group 111 and the second fin group 121 are respectively disposed at intervals from the heat dissipation device 13, so that the heat dissipation device 13 can uniformly dissipate heat of the plurality of first fins 11 and the plurality of second fins 12.

In the present embodiment, the first fin 11 and the second fin 12 have a rectangular shape.

Furthermore, the first fins 11 and the second fins 12 are rectangular, and the first fins 11 and the second fins 12 are conveniently arranged, it should be noted that the plurality of first fins 11 are perpendicular to the length direction of the shield main body 10, and the second fins 12 are perpendicular to the width direction of the shield main body 10, so that the air ducts between the plurality of first fins 11 and the plurality of second fins 12 all face the heat dissipation device 13 located in the middle, and heat dissipation is facilitated.

In the present embodiment, the heat dissipation device 13 is a centrifugal fan, and the air outlet end of the heat dissipation device 13 faces the first fin group 111 and the second fin group 121.

Further, the heat dissipation device 13 is a centrifugal fan, which has the characteristics of air inlet in the middle and air outlet on the peripheral side, and the heat dissipation device 13 is disposed in the middle of the shield case main body 10 according to the characteristics, so that the heat dissipation device 13 draws in external natural air and blows out the air from the peripheral side, the natural air flows into the first fin group 111 and the second fin group 121, and the first fin group 111 and the second fin group 121 are simultaneously dissipated, thereby improving the heat dissipation efficiency of the shield case main body 10.

It should be noted that the operation of the centrifugal fan can be controlled by temperature sensing or by the status of the electronic device used by the apparatus, such as when the electronic device is being charged or when playing a game or both.

In this embodiment, the peripheral edge of the side of the shield main body 10 away from the heat sink 13 is provided with a bent portion 101 bent toward the direction away from the heat sink 13.

Further, in order to facilitate connection of the shield case main body 10 and the electrical component, a bending portion 101 bending towards a direction away from the heat dissipation device 13 is disposed at the peripheral edge of the side of the shield case main body 10 away from the heat dissipation device 13, the bending portion 101 is bent perpendicular to the shield case main body 10, so that a cavity 102 is formed at the side of the shield case main body 10 away from the heat dissipation device 13, the electrical component is conveniently disposed in the cavity 102, wherein the cavity 102 is filled with a heat conducting gel for filling a gap between the electrical component and the shield case main body 10, and thus heat of the electrical component is conveniently transferred to the shield case main body 10 through the heat conducting gel.

In the present embodiment, both ends of the first fin 11 and the second fin 12 are respectively triangular.

Further, the tip of first fin 11 and second fin 12 sets to the triangle-shaped respectively, and the nature wind inflow wind channel of can being convenient for avoids hindering nature wind inflow wind channel, and avoids forming the vortex phenomenon under the hindrance of first fin 11 and second fin 12, compares in the tip for the rectangle, and the triangle-shaped shape can also accelerate the flow of nature wind after getting into the wind channel, accelerates to take away the heat on first fin 11 and the second fin 12, promotes the radiating efficiency.

The first fin 11 and the second fin 12 may have arc-shaped ends, and the effect is similar to the effect of the triangular shape.

The utility model also provides an electronic equipment, it can be cell-phone, computer, panel computer etc. and this electronic equipment includes circuit board and the shield cover 100 of any above-mentioned embodiment, and this shield cover 100 lid is on the circuit board.

The working principle is as follows: when the shielding case 100 is used in an electronic device, such as a chip of a mobile phone, natural wind flows into the mobile phone from a through hole of the mobile phone, the chip generates heat during operation, the heat is transferred to the shielding case by the heat conducting gel, the heat of the shielding case is transferred to the first fin 11 and the second fin 12, the temperatures of the first fin group 111 and the second fin group 121 rise, when the centrifugal fan works, the natural wind is pumped into the center and blows out the natural wind from the peripheral side, the natural wind flows into the first fin group 111 and the second fin group 121 and exchanges heat with the first fin group 111 and the second fin group 121, the temperature of the natural wind rises, and at the moment, the expanded hot air flows out of the mobile phone from the through hole of the mobile phone to generate convection with the outside air under the action of wind pressure, so that the heat is taken away, and the heat dissipation effect is achieved.

In conclusion, the utility model provides a shield cover and sub-equipment, through set up a centrifugal fan in the centre of shield cover main part 10, radiating rate accelerates, promote the radiating bottleneck, and set up a plurality of parallels and spaced first fin 11 and second fin 12 in centrifugal fan's week side, increase heat radiating area, the heat is transmitted to on first fin 11 and the second fin 12 from shield cover main part 10, centrifugal fan blows off natural wind from central suction and from week side, insufflate on first fin 11 and the second fin 12 with the fin produces the heat exchange, and under the effect of wind pressure, the expanded hot air flows out electronic equipment, realize the heat dissipation, and satisfy at the high frequency, the heat dissipation demand under the condition of big consumption.

The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims (7)

1. A shielding case is characterized by comprising a shielding case main body, a plurality of first fins, a plurality of second fins and a heat dissipation device; the heat dissipation device is arranged at the center of the shield cover main body, the first fins are arranged in parallel and at intervals on two sides of the shield cover main body respectively, the second fins are arranged in parallel and at intervals on two sides of the first fin group respectively to form two second fin groups, the first fin groups are perpendicular to the second fin groups in orientation, and the first fin groups and the second fin groups are arranged at intervals on the heat dissipation device respectively.

2. The shielding cage of claim 1, wherein said first and second fins are rectangular in shape.

3. The shielding case of claim 1, wherein the peripheral edge of the side of the shielding case body facing away from the heat sink is provided with a bent portion bent away from the heat sink.

4. The shielding cage of claim 1, wherein the heat dissipating device is a centrifugal fan, and an air outlet end of the heat dissipating device faces the first fin group and the second fin group.

5. The shield according to claim 1, wherein both ends of the first fin and the second fin are respectively triangular.

6. The shield according to claim 1, wherein both ends of the first fin and the second fin are rounded.

7. An electronic device comprising a circuit board and a shield according to any one of claims 1-6, the shield being disposed on the circuit board.

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