CN217884273U

CN217884273U - USB module of charging with heat dissipation and EMC shielding function

Info

Publication number: CN217884273U
Application number: CN202221262575.7U
Authority: CN
Inventors: 李宗刚; 杨文强; 陈石峰; 邓海欧
Original assignee: Changqi Electronics Shenzhen Co ltd
Current assignee: Changqi Electronics Shenzhen Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-11-22
Anticipated expiration: 2032-05-24

Abstract

The utility model relates to a USB module of charging with heat dissipation and EMC shielding function, the EMC shield cover body of making including metal upper cover and metal material, it is right to be equipped with in the metal upper cover the radiating part of the EMC shield cover body, EMC shield cover internal surface is provided with laminating heating electronic component's heat-conducting piece. This USB module of charging, metal upper cover through setting up the customization to and the EMC shield body that the metal material was made, EMC shield structure is integrated to metal upper cover the inside, it is right to be equipped with in the metal upper cover EMC shield body radiating heat-radiating part, the electronic component that generates heat conducts shell heat radiation structure with the heat through the heat conductor, gives out again, whole upper cover is the radiating part, heat radiating area is big, and heat conduction efficiency is high, realizes the components and parts heat dissipation simultaneously, and EMC radiation shields, the function of product shell, has reduced spare part, has reduced the equipment process, reduces product cost.

Description

USB module of charging with heat dissipation and EMC shielding function

Technical Field

The utility model relates to an on-vehicle electrical equipment technical field, more specifically say, relate to a USB module of charging with heat dissipation and EMC shielding function.

Background

The vehicle-mounted front USB fast charging product has the advantages that the single-port output power is 15-100W and even higher power, an additional heat dissipation module needs to be added on an electronic component (such as a power semiconductor) which generates heat seriously in the conventional USB fast charging product, meanwhile, because the vehicle-mounted front USB fast charging product has strict EMC requirements, an independent shielding cover part needs to be used for improving EMC radiation emission, the structural design of the product is more complicated due to the requirements of the two aspects, 1-2 plastic shell parts are needed, additional parts are needed in the conventional method, the assembly process flows are more, the cost is high, and a larger overall dimension space is also needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, a USB module of charging with heat dissipation and EMC shielding function is provided.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a structure USB module of charging with heat dissipation and EMC shielding function, includes the EMC shielding cover body that metal upper cover and metal material made, it is right to be equipped with in the metal upper cover the radiating part of EMC shielding cover body, EMC shielding cover body internal surface is provided with the heat-conducting piece that the laminating generates heat electronic component.

Preferably, the metal upper cover and the EMC shielding case are of an integrated structure.

Preferably, the upper surface of the metal upper cover is provided with a plurality of concave grooves facing the EMC shield case, and the plurality of concave grooves form the heat dissipation part.

Preferably, the metal upper cover is made of an aluminum alloy.

Preferably, the EMC shielding cage is made of an aluminum alloy.

Preferably, the heat conductor is a heat-conducting silica gel pad.

Preferably, metal upper cover bottom is equipped with a plurality of bolt seats that are used for supporting PCBA, the bolt seat sets up in EMC shield cover body periphery side, be connected with the plastic lower cover under the metal upper cover, the plastic lower cover is just right be equipped with the boss on the bolt seat position, the boss has the counter bore, be equipped with the bolt in the counter bore, the bolt passes boss and PCBA and is connected with the bolt seat.

Preferably, a plurality of heat dissipation holes are formed in the bottom of the plastic lower cover, and the heat dissipation holes are partially or completely opposite to the EMC shielding cover body.

The beneficial effects of the utility model reside in that:

this USB module of charging, metal upper cover through setting up the customization to and the EMC shield body that the metal material was made, EMC shield structure is integrated to metal upper cover the inside, it is right to be equipped with in the metal upper cover EMC shield body radiating heat-radiating part, the electronic component that generates heat conducts shell heat radiation structure with the heat through the heat conductor, gives out again, whole upper cover is the radiating part, heat radiating area is big, and heat conduction efficiency is high, realizes the components and parts heat dissipation simultaneously, and EMC radiation shields, the function of product shell, has reduced spare part, has reduced the equipment process, reduces product cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the drawings:

fig. 1 is a schematic view of the overall structure of the preferred embodiment of the present invention.

Fig. 2 is a schematic structural development of the preferred embodiment of the present invention.

Fig. 3 is a schematic view of a metal top cover according to a preferred embodiment of the present invention.

Fig. 4 is a schematic view of the overall structure of the preferred embodiment of the present invention.

Fig. 5 is a cross-sectional view of the preferred embodiment of the present invention.

Fig. 6 is a schematic cross-sectional view of the preferred embodiment of the present invention.

Wherein: 1-metal upper cover, 2-plastic lower cover, 3-PCBA, 4-heat dissipation part, 5-EMC shielding cover body, 6-heating electronic element, 7-bolt seat, 8-heat conduction silica gel pad, 9-heat dissipation hole, 10-boss and 11-counter bore.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following description will be made clearly and completely in conjunction with the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.

As shown in fig. 1-3, according to the utility model discloses a USB module of charging with heat dissipation and EMC shielding function of embodiment, including the EMC shield body 5 that metal upper cover 1 and metal material were made, it is right to be equipped with in the metal upper cover 1 the radiating heat dissipation part 4 of the EMC shield body 5 heat dissipation, the 5 internal surfaces of the EMC shield body are provided with the heat-conducting piece that the laminating generates heat electron element 6.

The metal upper cover 1 and the EMC shielding case 5 are made of metal materials, the metal materials have good heat conduction and electric conduction performance, for example, aluminum, copper, silver, nickel, gold and other materials can be adopted, and meanwhile, the heat dissipation part 4 can also adopt structural forms such as a heat dissipation groove, a heat dissipation column, a heat dissipation fin or a heat dissipation fan.

In the preferred embodiment of the present invention, the metal top cover 1 and the EMC shielding case 5 are integrated. The upper surface of the metal upper cover 1 is provided with a plurality of concave grooves facing the EMC shielding case 5, and the plurality of concave grooves form the heat dissipation part 4. The metal upper cover 1 is made of aluminum alloy. The EMC shield case 5 is made of an aluminum alloy. The heat conductor is a heat-conducting silica gel pad 8.

As shown in fig. 4-6, metal upper cover 1 bottom is equipped with a plurality of bolt seats 7 that are used for propping PCBA3, bolt seats 7 set up in EMC shielding cover body 5 periphery side, be connected with plastic lower cover 2 under the metal upper cover 1, plastic lower cover 2 is just right be equipped with boss 10 on the bolt seat position, boss 10 has counter bore 11, be equipped with the bolt in the counter bore 11, the bolt passes boss 10 and PCBA3 and is connected with bolt seats 7. A plurality of louvre 9 has been seted up to 2 bottoms on the plastic lower cover, a plurality of louvre 9 part or whole with EMC shield cover body 5 is just right mutually, installs fixedly PCBA3 through

boss

10 and 7 assembly bolts of bolt seat, also makes heat conduction silica gel pad 8 and EMC shield cover body 5 laminating more abundant.

The utility model discloses in the preferred embodiment, the lower cover uses the plastic to mould plastics and forms for functions such as PCBA3 location or insulation, 1 uses aluminum alloy die-casting of metal upper cover, use customized metal upper cover 1, EMC shield cover structure is integrated to 1 the inside of metal upper cover, whole upper cover is the radiating part, heat radiating area is big, heat-conduction efficiency is high, realize the components and parts heat dissipation simultaneously, EMC radiation shielding, the function of product shell, spare part has been reduced, the equipment process has been reduced, reduce product cost.

This USB module of charging, through setting up metal upper cover 1 to and the EMC shield body 5 that the metal material was made, EMC shield structure 5 is integrated to metal upper cover 1 the inside, it is right to be equipped with in the metal upper cover 1 the radiating part 4 of the EMC shield body 5, the electronic component 6 that generates heat conducts the shell heat radiation structure through the heat conductor, distribute away again, whole upper cover is the radiating part, heat radiating area is big, heat conduction efficiency is high, realize components and parts heat dissipation simultaneously, EMC radiation shielding, the function of product shell, spare part has been reduced, the equipment process has been reduced, reduce product cost

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. The utility model provides a USB module of charging with heat dissipation and EMC shielding function, its characterized in that, the EMC shielding cover body of making including metal upper cover and metal material, it is right to be equipped with in the metal upper cover the radiating part of EMC shielding cover body, EMC shielding cover body internal surface is provided with the heat-conducting piece of laminating heating electronic component.

2. The USB charging module with heat dissipation and EMC shielding functions of claim 1, wherein the metal top cover and the EMC shielding case are an integrated structure.

3. The USB charging module with heat dissipation and EMC shielding functions as recited in claim 2, wherein the upper surface of the metal upper cover is provided with a plurality of concave grooves facing the EMC shielding case, the plurality of concave grooves forming the heat dissipation portion.

4. The USB charging module with heat dissipation and EMC shielding functions of any one of claims 1 to 3, wherein the metal upper cover is made of aluminum alloy.

5. A USB charging module with heat dissipation and EMC shielding functions according to any of claims 1-3 wherein the EMC shielding enclosure is made of aluminum alloy.

6. The USB charging module with the functions of heat dissipation and EMC shielding according to any one of claims 1-3, wherein the heat conducting member is a heat conducting silicone pad.

7. The USB charging module with the functions of heat dissipation and EMC shielding as claimed in claim 1, wherein a plurality of bolt seats for abutting against the PCBA are arranged at the bottom of the metal upper cover, the bolt seats are arranged on the outer peripheral side of the EMC shielding cover body, the PCBA and the plastic lower cover are connected under the metal upper cover, the plastic lower cover is right opposite to the bolt seats, bosses are arranged on the positions of the bolt seats, counter bores are formed in the bosses, bolts are arranged in the counter bores, and the bolts penetrate through the bosses and the PCBA to be connected with the bolt seats.

8. The USB charging module with heat dissipation and EMC shielding functions of claim 7, wherein a plurality of heat dissipation holes are formed at the bottom of the plastic lower cover, and the heat dissipation holes are partially or completely opposite to the EMC shielding case.