CN216795164U - Portable WiFi - Google Patents

Abstract

The utility model discloses a portable WiFi. The portable WiFi comprises a casing, a circuit board and a heat dissipation component. The casing is provided with an installation cavity; the circuit board is arranged in the installation cavity, and the surface of the circuit board is provided with electronic components; The mounting cavity is enclosed with the circuit board to form an accommodating cavity, the electronic components are located in the accommodating cavity, and the two sides of the heat dissipation assembly are respectively attached to the electronic components and the casing, so as to conduct the heat generated by the electronic components to the casing and distributed to the outside world. The technical scheme of the utility model improves the heat dissipation efficiency of the internal electronic components of the portable WiFi.

Description

Pocket WiFi

technical field

The utility model relates to the technical field of routers, in particular to a portable WiFi.

Background technique

WiFi (Wireless Fidelity) is a technology that can wirelessly connect terminals such as personal computers and handheld devices (such as PDAs, mobile phones) to each other. With the development of technology, portable WiFi came into being. Portable WiFi is to share the computer's wired network as a WiFi hotspot, so that mobile phones, PADs, notebooks and other devices around you can access the Internet for free. In the related art, in order to ensure high-speed WiFi access and wider coverage as possible, it is often necessary to adjust the transmit power of the product to a relatively high level, which results in a high operating current and the electronic components on the device are prone to heat. When the electronic components heat up to a certain level, the software protection mechanism will be activated due to the high temperature, forcibly reducing the power, reducing the Internet speed, and affecting the user experience.

Utility model content

The main purpose of the utility model is to provide a portable WiFi, which aims to improve the heat dissipation efficiency of the electronic components in the portable WiFi.

In order to achieve the above-mentioned purpose, the portable WiFi proposed by the present utility model includes:

a casing, wherein an installation cavity is arranged in the casing;

a circuit board, the circuit board is arranged in the mounting cavity, and the surface of the circuit board is provided with electronic components; and

A heat-dissipating assembly, the heat-dissipating assembly is arranged in the installation cavity, and forms an accommodating cavity enclosed with the circuit board, the electronic components are located in the accommodating cavity, and two sides of the heat-dissipating assembly are respectively connected with The electronic components are attached to the casing, so as to conduct the heat generated by the electronic components to the casing and dissipate it to the outside.

Optionally, the heat dissipation assembly includes:

a mounting rack, the mounting rack is mounted on the circuit board, the mounting rack is provided with a via hole, and the electronic component is partially penetrated through the via hole; and

a shielding cover, the shielding cover covers the mounting frame and is connected with the mounting frame, and the electronic component part passes through the through hole and is attached to the shielding cover;

Wherein, the mounting frame, the shielding cover and the circuit board are enclosed to form the accommodating cavity.

Optionally, the surface of the circuit board is provided with a plurality of the electronic components at intervals, the mounting frame is provided with a plurality of the via holes, and each of the electronic components is partially disposed through one of the via holes.

Optionally, a plurality of ribs are protruded from the side of the mounting frame facing the surface of the circuit board, and each of the ribs is provided between two adjacent via holes for separating phases. two adjacent electronic components.

Optionally, the side wall of the mounting frame is provided with a through hole, the shielding cover is provided with a receiving groove, the mounting frame is at least partially contained in the receiving groove, and the side wall of the receiving groove corresponds to the through hole. The holes are provided with protrusions, and when the shielding cover covers the mounting frame, the protrusions pass through the through holes.

Optionally, the through hole is in the shape of a round hole, and the protrusion is in the shape of a hemisphere;

And/or, the mounting frame is provided with a plurality of the through holes, the plurality of the through holes are arranged around the mounting frame, the shielding cover is provided with a plurality of the protrusions, each of the protrusions passes through in one of the through holes.

Optionally, thermally conductive silica gel is coated between the electronic components and the shielding cover;

And/or, the material of the shielding cover is a metal material.

Optionally, the heat dissipation assembly further includes a graphene heat sink, and the graphene heat sink is provided between the shielding cover and the housing.

Optionally, the electronic components are provided on both sides of the circuit board, and the portable WiFi includes two of the heat dissipation assemblies, and the two heat dissipation assemblies are respectively disposed on both sides of the circuit board.

Optionally, the circuit board is provided with a plurality of limit holes, the plurality of limit holes are arranged around the periphery of the circuit board, and the inner wall of the installation cavity is protruded with a plurality of positioning posts, each of which is The positioning column is penetrated through one of the limiting holes.

The technical scheme of the utility model is to install the circuit board in the installation cavity of the casing, so that the circuit board is protected by the casing. The circuit board is provided with electronic components to achieve corresponding functions, and the heat dissipation component is set to enclose the circuit board to form an accommodating cavity, so that the electronic components are accommodated in the accommodating cavity, and the heat dissipation component is respectively attached to the electronic component and the shell. When the electronic components generate heat, the heat dissipation component conducts the heat to the casing as a whole, so as to dissipate the heat to the outside, so as to achieve heat dissipation and ensure the Internet speed of the portable WiFi.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained based on the structures shown in these drawings without any creative effort.

1 is a schematic structural diagram of an embodiment of the portable WiFi of the present invention;

2 is an exploded view of an embodiment of the portable WiFi of the present invention;

3 is a schematic structural diagram of a mounting frame and a shielding cover in an embodiment of the portable WiFi of the present invention.

Description of reference numbers:

label name label name 100 Pocket WiFi twenty two Limit hole 1 case 3 Cooling components 11 upper shell 31 Mount 12 lower shell 311 via 121 positioning post 312 through hole 13 end cap 32 shield cover 2 circuit board 321 bulge twenty one Electronic component 33 Graphene heat sink

The realization, functional characteristics and advantages of the purpose of the present utility model will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, but not all of them. Example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the difference between the various components under a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly.

In addition, the descriptions involving "first", "second", etc. in the present invention are only for description purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present utility model.

The utility model provides a portable WiFi 100.

Please refer to FIG. 1 and FIG. 2 in conjunction. In the embodiment of the present invention, the portable WiFi 100 includes a casing 1, a circuit board 2 and a heat dissipation component 3. The casing 1 is provided with an installation cavity; the circuit board 2 is arranged in the installation cavity, And the surface of the circuit board 2 is provided with electronic components 21; the heat dissipation component 3 is arranged in the installation cavity, and is enclosed with the circuit board 2 to form a accommodating cavity, the electronic component 21 is located in the accommodating cavity, and the two sides of the heat dissipation component 3 are respectively It is attached to the electronic component 21 and the casing 1 to conduct the heat generated by the electronic component 21 to the casing 1 and dissipate it to the outside.

In this embodiment, the casing 1 includes an upper casing 11 and a lower casing 12. The upper casing 11 and the lower casing 12 are connected and enclosed to form an installation cavity, and the circuit board 2 is installed in the installation cavity. 12 for protection. At the same time, one end of the upper shell 11 and the lower shell 12 is also formed with a communication port, and the portable WiFi 100 also includes a USB interface. The USB interface is arranged at one end of the circuit board 2 and is electrically connected to the circuit board 2. Connection port for connecting with external devices. In addition, the housing 1 further includes an end cover 13, the end cover 13 is closed at the communication port, and is snapped with the upper shell 11 and the lower shell 12 to cover the USB interface.

It can be understood that the electronic component 21 can be soldered on the circuit board 2 by solder paste, and the electronic component 21 can be a power management chip, a control chip, a signal transmission module and the like. The heat dissipating assembly 3 is clasped on the electronic component 21 and connected with the circuit board 2 to form a accommodating cavity. It can be understood that when the electronic component 21 generates heat, the heat can be conducted to the heat dissipation component 3 in contact with it. The size of the heat dissipation component 3 is larger than that of the electronic component 21, and the heat dissipation area is larger. Dissipate to the outside, improve the heat dissipation efficiency.

In this embodiment, the heat dissipation component 3 can be an integrally formed metal shell or a non-metallic shell coated with a metal material. The heat dissipation component 3 and the circuit board 2 are enclosed to form a closed accommodating cavity, and the electronic components 21 are arranged in the container. It is placed in the cavity to prevent external electromagnetic wave interference.

In the technical solution of the present invention, the circuit board 2 is protected by the casing 1 by installing the circuit board 2 in the installation cavity of the casing 1 . The circuit board 2 is provided with electronic components 21 that realize corresponding functions, and the heat dissipation component 3 is set to enclose the circuit board 2 to form an accommodating cavity, so that the electronic components 21 are accommodated in the accommodating cavity, and the heat dissipation component 3 and the electronic components are respectively formed. 21 is attached to the housing 1. When the electronic component 21 generates heat, the heat dissipation component 3 conducts the heat to the housing 1 as a whole, so as to dissipate the heat to the outside, so as to achieve heat dissipation and ensure the Internet speed of the portable WiFi 100.

Please refer to FIG. 2 and FIG. 3 , in one embodiment, the heat dissipation assembly 3 includes a mounting frame 31 and a shielding cover 32 , the mounting frame 31 is arranged on the circuit board 2 , the mounting frame 31 is provided with a via hole 311 , and a part of the electronic component 21 penetrates The shielding cover 32 covers the mounting frame 31 and is connected to the mounting frame 31. Part of the electronic components 21 passes through the through hole 311 and is attached to the shielding cover 32; wherein, the mounting frame 31, the shielding cover 32 and the circuit board 2 is enclosed to form an accommodating cavity.

In this embodiment, the mounting frame 31 covers the electronic component 21, and a via hole 311 is formed corresponding to the electronic component 21. The shape of the via hole 311 is adapted to the electronic component 21 so that the electronic component 21 can pass through. The cover 32 covers the mounting frame 31 , so that the electronic component 21 passes through the through hole 311 and is attached to the shielding cover 32 . It can be understood that the mounting bracket 31 is used to support the stable shielding cover 32 , and the shielding cover 32 conducts heat to the casing 1 . The connection method between the shielding cover 32 and the mounting frame 31 may be bonding, clamping or welding, etc., which is not limited herein. Here, the upper surface of the electronic component 21 can be set to be flush with the upper surface of the mounting frame 31. When the shielding cover 32 is supported on the mounting frame 31, it can be attached to the upper surface of the electronic component 21 to realize heat conduction.

In this embodiment, in order to improve the thermal conductivity, thermally conductive silica gel can be coated between the shielding cover 32 and the electronic components 21 , and the thermally conductive silica gel only needs to be coated at the positions corresponding to the via holes 311 to reduce waste of the thermally conductive silica gel. In addition, the shielding cover 32 can also be set to be made of metal material, and the shielding cover 32 is energized through the circuit board 2 to achieve electromagnetic shielding effect and shield external electromagnetic wave interference.

As shown in FIG. 2 , in one embodiment, the surface of the circuit board 2 is provided with a plurality of electronic components 21 at intervals, the mounting frame 31 is provided with a plurality of through holes 311 , and each electronic component 21 is partially penetrated through a through hole 311 set up.

In this embodiment, the plurality of electronic components 21 may be components that implement corresponding functions, such as a signal processing chip, a control chip, a power management chip, etc., and arranging each electronic component 21 to pass through a via hole 311 can reduce the number of electronic components. Thermal interference between elements 21 . For example, when the control chip is seriously heated, it will dissipate more heat than the signal processing chip. Setting the control chip and the signal processing chip to pass through different vias 311 can reduce the heat generated by the control chip and dissipate toward the signal processing chip, avoiding signal processing. Unnecessary heat gain of the chip.

In one embodiment, the side of the mounting frame 31 facing the surface of the circuit board 2 is protruded with a plurality of ribs, and each rib is arranged between two adjacent via holes 311 for separating the two adjacent through holes 311 . 21 electronic components.

It can be understood that, in order to further reduce the mutual heat interference between the electronic components 21 , the mounting frame 31 is provided with ribs to separate two adjacent electronic components 21 .

As shown in FIG. 3 , in one embodiment, the side wall of the mounting bracket 31 is provided with a through hole 312 , the shielding cover 32 is provided with an accommodating slot, the mounting bracket 31 is at least partially accommodated in the accommodating slot, and the side wall of the accommodating slot corresponds to the through hole 312 . The hole 312 is provided with a protrusion 321 . When the shielding cover 32 covers the mounting frame 31 , the protrusion 321 penetrates through the through hole 312 .

In this embodiment, the mounting frame 31 is formed by enclosing a mounting plate and a plurality of side plates, the plurality of side plates are arranged around the periphery of the mounting plate, and the through holes 311 are opened in the mounting plate, and at the same time, the through holes 312 are opened in the side plates . The shielding cover 32 is formed by enclosing a base plate and a plurality of enclosure plates. The multiple enclosure plates are arranged around the periphery of the base plate. The base plate is attached to the electronic components 21 . The side panels of the frame 31 are fitted together. A protrusion 321 is provided on the enclosure plate corresponding to the through hole 312 , and the protrusion 321 is protruded from the enclosure plate toward the receiving groove, so that when the shielding cover 32 covers the mounting frame 31 , the protrusion 321 penetrates through the through hole 312 to prevent The connection stability between the mounting bracket 31 and the shielding cover 32 is improved.

In one embodiment, the through hole 312 is in the shape of a round hole, and the protrusion 321 is in the shape of a hemisphere; in this way, when the shielding cover 32 is installed on the mounting frame 31 , the protrusion 321 can slide through the through hole 312 by virtue of the spherical surface. , the installation is more convenient.

Optionally, the mounting frame 31 is provided with a plurality of through holes 312 , and the plurality of through holes 312 are arranged around the mounting frame 31 , the shielding cover 32 is provided with a plurality of protrusions 321 , and each protrusion 321 passes through a through hole 312 . The plurality of protrusions 321 are respectively penetrated through the plurality of through holes 312 to further improve the connection stability of the mounting frame 31 and the shielding cover 32 .

As shown in FIG. 2 , in one embodiment, the heat dissipation component 3 further includes a graphene heat sink 33 , and the graphene heat sink 33 is disposed between the shielding cover 32 and the casing 1 . In this embodiment, the graphene heat sink 33 helps to conduct heat between the shielding cover 32 and the casing 1, thereby improving the heat dissipation efficiency.

In one embodiment, electronic components 21 are provided on both sides of the circuit board 2 , and the portable WiFi 100 includes two heat dissipation components 3 , which are respectively disposed on both sides of the circuit board 2 . It can be understood that, in order to save the assembly space and reduce the volume of the circuit board 2, electronic components 21 are provided on both sides of the circuit board 2. In this way, two heat dissipation assemblies 3 are provided to dissipate heat from the electronic components 21 on both sides, respectively. Improve heat dissipation efficiency.

In one embodiment, the circuit board 2 is provided with a plurality of limiting holes 22 , the plurality of limiting holes 22 are arranged around the periphery of the circuit board 2 , and a plurality of positioning posts 121 are protruded from the inner wall of the installation cavity. 121 passes through a limiting hole 22 .

In this embodiment, the positioning posts 121 can be protruded from the lower shell 12 and used to pass through the limiting holes 22 on the circuit board 2 to limit the installation of the circuit board 2 , and at the same time, can be positioned on the upper shell 11 correspondingly The post 121 is provided with a positioning slot, and one end of the positioning post 121 passing through the limiting hole 22 is inserted into the positioning slot, so as to improve the connection stability.

The above are only the preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model's patent. Under the inventive concept of the present utility model, the equivalent structure transformation made by using the contents of the present utility model description and accompanying drawings, or direct/ Indirect applications in other related technical fields are included in the scope of patent protection of the present invention.

Claims (10)

1. An on-body WiFi, the on-body WiFi comprising:

the device comprises a shell, a first connecting piece and a second connecting piece, wherein a mounting cavity is arranged in the shell;

the circuit board is arranged in the mounting cavity, and an electronic element is arranged on the surface of the circuit board; and

the heat dissipation assembly is arranged in the installation cavity and is surrounded with the circuit board to form an accommodating cavity, the electronic element is located in the accommodating cavity, two sides of the heat dissipation assembly are respectively attached to the electronic element and the shell, and heat generated by the electronic element is conducted to the shell and dissipated to the outside.

2. The on-body WiFi of claim 1, wherein the heat dissipation assembly comprises:

the mounting rack is arranged on the circuit board, a through hole is formed in the mounting rack, and the electronic element part penetrates through the through hole; and

the shielding cover covers the mounting frame and is connected with the mounting frame, and the electronic element part is attached to the shielding cover through the through hole;

the mounting rack, the shielding cover and the circuit board are enclosed to form the accommodating cavity.

3. The WiFi module as recited in claim 2, wherein a plurality of the electronic components are spaced apart from each other on the surface of the circuit board, the mounting bracket defines a plurality of the vias, and each of the electronic components partially penetrates one of the vias.

4. The wearable WiFi of claim 3, wherein a side of the mounting bracket facing the circuit board surface is provided with a plurality of protruding ribs, each protruding rib is provided between two adjacent vias for separating two adjacent electronic components.

5. The WiFi device as claimed in claim 2, wherein the sidewall of the mounting bracket has a through hole, the shielding cover has a receiving groove, the mounting bracket is at least partially received in the receiving groove, the sidewall of the receiving groove has a protrusion corresponding to the through hole, and the protrusion is inserted into the through hole when the shielding cover covers the mounting bracket.

6. The personal WiFi of claim 5, wherein the through hole is circular and the protrusion is hemispherical;

and/or, the mounting bracket is equipped with a plurality ofly the through-hole, it is a plurality of the through-hole encircles the mounting bracket sets up, the shielding lid is equipped with a plurality ofly the arch, each the arch is worn to locate one the through-hole.

7. The on-body WiFi of claim 2, characterized in that a heat conductive silica gel is coated between the electronic component and the shielding lid;

and/or the shielding cover is made of metal.

8. The on-body WiFi of claim 2, wherein the heat dissipation component further comprises a graphene heat sink disposed between the shielding lid and the housing.

9. The WiFi-on-body of any of claims 1 to 8, wherein the electronic components are disposed on both sides of the circuit board, and the WiFi-on-body comprises two heat dissipation assemblies, and the two heat dissipation assemblies are disposed on both sides of the circuit board respectively.

10. The personal WiFi of any one of claims 1-8, wherein the circuit board is provided with a plurality of limiting holes, the limiting holes are circumferentially arranged along the periphery of the circuit board, a plurality of positioning posts are convexly arranged on the inner wall of the mounting cavity, and each positioning post penetrates through one limiting hole.

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