CN219248471U

CN219248471U - Flexible circuit board for VR glasses

Info

Publication number: CN219248471U
Application number: CN202320149257.8U
Authority: CN
Inventors: 文颖; 李斌; 李宏宇
Original assignee: Shenzhen Hailing Keda Technology Co ltd
Current assignee: Shenzhen Hailing Keda Technology Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-06-23
Anticipated expiration: 2033-02-08

Abstract

The utility model relates to the technical field of flexible circuit boards, and discloses a flexible circuit board for VR glasses, which comprises a VR glasses equipment shell, wherein a cover plate is arranged at the bottom of the VR glasses equipment shell, a circuit board is arranged at the top of the cover plate, a VR module is arranged at the top of the circuit board, pins are fixedly arranged on the side surfaces of the VR module, and four radiating fins are fixedly arranged at the top of the circuit board. This a flexible line way board for VR glasses is through the recess inner wall contact of pad and pin with the fin for the heat of VR module during operation pin department can be transmitted to the fin on, because the top of four fins respectively with the outer inboard contact of four insulating heat conduction piece bottoms that peg graft of casing, make fin heat transfer to on the insulating heat conduction piece, make the heat on the insulating heat conduction piece dispel through its outside and air contact, thereby directly conduct the heat dissipation to the heat of pin department, and then improve the radiating efficiency of VR glasses flexible line way board.

Description

Flexible circuit board for VR glasses

Technical Field

The utility model relates to the technical field of flexible circuit boards, in particular to a flexible circuit board for VR glasses.

Background

Flexible circuit boards are printed circuits made from flexible, insulating substrates and have many advantages over rigid printed circuit boards. The flexible bending, winding and folding device can be freely bent, wound and folded, can be randomly arranged according to the space layout requirement, and can be randomly moved and stretched in a three-dimensional space, so that the integration of component assembly and wire connection is achieved. The FPC is utilized to greatly reduce the volume of the electronic product, and is suitable for the requirements of the electronic product on development in the high-density, miniaturized and high-reliability directions.

The louvre has been offered on VR glasses equipment shell surface generally for the operation heat dissipation of functional module on the flexible line way board in the VR glasses equipment, because its functional module of VR glasses during operation passes through pin and solder joint welded mode with the flexible line way board, the heat of pin department is highest, outside the unable quick derivation VR glasses equipment of heat of pin department, makes radiating efficiency low. Therefore, it is necessary to design a flexible circuit board for VR glasses that efficiently dissipates heat.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a flexible circuit board for VR glasses, which has the advantages of rapid lead-out of pin heat and higher heat dissipation efficiency, and solves the problems that the heat dissipation efficiency is low, and the heat at the pin cannot be directly led out of VR glasses equipment in the traditional way of arranging heat dissipation holes, so that the heat dissipation efficiency is low.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flexible line way board for VR glasses, includes VR glasses equipment casing, the apron is installed to the bottom of VR glasses equipment casing, the top of apron is provided with the circuit board, the top of circuit board is provided with the VR module, the side surface of VR module is all fixed to be provided with the pin, the top fixed mounting of circuit board has four fin, four the surface of pin supports with the inside of four fin respectively, the side surface fixation grafting of VR glasses equipment casing has insulating heat conduction piece, the inboard of insulating heat conduction piece bottom supports with the top of fin and holds, the louvre has all been seted up to the left and right sides of apron bottom.

Preferably, four corners of the bottom of the cover plate are provided with screws, the top ends of the four screws are respectively in threaded connection with four corners of the bottom of the housing of the VR glasses device, the circuit board is placed on the cover plate and matched with the bottom of the housing, and the cover plate at the bottom of the housing is installed and fixed by using the four screws.

Preferably, the holding tank has been seted up to the bottom of VR glasses equipment casing, the side surface and the inside wall swing joint of holding tank of circuit board, through the side surface contact of circuit board and the inside wall of holding tank, prevent that the circuit board from taking place horizontal displacement in the casing, the stable installation of flexible line way board in the VR glasses equipment casing of being convenient for.

Preferably, the four sides at the top of the circuit board are fixedly provided with bonding pads, the bottom ends of the four pins are respectively welded with the surfaces of the four bonding pads, and the VR module is respectively welded with the four side bonding pads on the surface of the circuit board through the four side pins.

Preferably, the bottom of fin is seted up flutedly, pad and pin support with the inner wall of recess and hold, through pad and pin and the recess inner wall contact of fin for the heat of VR module during operation pin department can be transmitted to the fin on, the thermal derivation of VR module side surface pin of being convenient for.

Compared with the prior art, the utility model provides the flexible circuit board for the VR glasses, which has the following beneficial effects:

1. this a flexible line way board for VR glasses through setting up fin, insulating heat conduction piece and recess, pin on the VR module side surface and the pad welding back on the circuit board, downwards embolia the fin on four side pins respectively, and bond four fin on the circuit board with glue, the recess inner wall contact through pad and pin and fin, make the heat of VR module during operation pin department can transmit to the fin on, because the top of four fin respectively with the inboard contact of four insulating heat conduction piece bottoms of pegging graft outside the casing, make fin heat transfer to insulating heat conduction piece on, make the heat on the insulating heat conduction piece dispel through its outside and air contact, thereby directly conduct the heat dissipation to the heat of pin department, and then improve the radiating efficiency of VR glasses flexible line way board.

2. This a flexible line way board for VR glasses through setting up apron and screw, after four fin installations, put the circuit board on the apron and with the bottom cooperation of casing for the top of four fin respectively with the inboard contact of four insulating heat conduction piece bottoms, the apron installation of reuse four screws with the casing bottom is fixed, the louvre has been seted up to the both sides of apron bottom, can be used to its upper circuit board and the contact heat dissipation of outside air, thereby the installation heat dissipation of the flexible line way board of VR glasses of being convenient for.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present utility model;

FIG. 2 is an enlarged view of the structure of FIG. 1A according to the present utility model;

fig. 3 is a bottom view of the structure of the present utility model.

Wherein: 1. VR eyeglass device housing; 2. a cover plate; 3. a circuit board; 4. a VR module; 5. pins; 6. a heat sink; 7. an insulating heat conducting block; 8. a heat radiation hole; 9. a screw; 10. a bonding pad; 11. a groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a flexible circuit board for VR glasses includes a VR glasses device housing 1, a cover plate 2 is installed at the bottom of the VR glasses device housing 1, screws 9 are disposed at four corners of the bottom of the cover plate 2, top ends of the four screws 9 are respectively connected with four corners of the bottom of the VR glasses device housing 1, a circuit board 3 is disposed at the top of the cover plate 2, the cover plate 2 and the screws 9 are disposed, after four cooling fins 6 are installed, the circuit board 3 is placed on the cover plate 2 and matched with the bottom of the housing, so that the top of the four cooling fins 6 are respectively contacted with the inner sides of the bottom of four insulating heat conducting blocks 7, the cover plate 2 at the bottom of the housing is installed and fixed by using the four screws 9, cooling holes 8 are formed at two sides of the bottom of the cover plate 2 and can be used for contact and heat dissipation of the circuit board 3 and external air, thereby facilitating the installation and heat dissipation of the VR glasses flexible circuit board, the bottom of the VR glasses equipment shell 1 is provided with an accommodating groove, the side surface of the circuit board 3 is movably connected with the inner side wall of the accommodating groove, the top of the circuit board 3 is provided with a VR module 4, the side surfaces of the VR module 4 are fixedly provided with pins 5, four sides of the top of the circuit board 3 are fixedly provided with bonding pads 10, the bottom ends of the four pins 5 are respectively welded with the surfaces of the four bonding pads 10, the top of the circuit board 3 is fixedly provided with four cooling fins 6, the surfaces of the four pins 5 are respectively propped against the inner sides of the four cooling fins 6, grooves 11 are formed in the bottom of the cooling fins 6, the bonding pads 10 and the pins 5 are propped against the inner walls of the grooves 11, the side surface of the VR glasses equipment shell 1 is fixedly spliced with an insulating heat conducting block 7, the inner side of the bottom of the insulating heat conducting block 7 is propped against the top of the cooling fins 6, the insulating heat conducting block 7 and the grooves 11 are arranged, after the pins 5 on the side surface of the VR module 4 are welded with the bonding pads 10 on the circuit board 3, the cooling fins 6 are sleeved downwards on the four side pins 5 respectively, the four cooling fins 6 are adhered to the circuit board 3 by glue, the inner walls of the grooves 11 of the cooling fins 6 are contacted with the pins 5 through the bonding pads 10 and the pins 5, so that heat at the pins 5 can be transferred to the cooling fins 6 when the VR module 4 works, the tops of the four cooling fins 6 are respectively contacted with the inner sides of the bottoms of the four insulating heat conducting blocks 7 inserted outside the shell, the heat of the cooling fins 6 is transferred to the insulating heat conducting blocks 7, the heat on the insulating heat conducting blocks 7 is dissipated through the outer sides of the insulating heat conducting blocks and air, the heat at the pins 5 is directly conducted and dissipated, the heat dissipation efficiency of the flexible circuit board of the VR glasses is improved, and the cooling holes 8 are formed in the left side and the right side of the bottom of the cover plate 2.

When the VR module is used, after the pins 5 on the side surface of the VR module 4 are welded with the bonding pads 10 on the circuit board 3, the cooling fins 6 are sleeved downwards on the four side pins 5 respectively, the four cooling fins 6 are adhered to the circuit board 3 by glue, then the circuit board 3 is placed on the cover plate 2 and matched with the bottom of the shell, the tops of the four cooling fins 6 are respectively contacted with the inner sides of the bottoms of the four insulating heat conducting blocks 7, the cover plate 2 at the bottom of the shell is fixedly installed by using the four screws 9, the two sides of the bottom of the cover plate 2 are provided with the cooling holes 8 which can be used for contact cooling of the circuit board 3 and the outside air, when the circuit board 3 runs, the heat at the pins 5 can be transferred to the cooling fins 6 through the contact of the bonding pads 10 and the inner walls of the grooves 11 of the cooling fins 6, and the heat at the pins 5 can be transferred to the inner sides of the four insulating heat conducting blocks 7 which are spliced outside the shell respectively, the heat of the four cooling fins 6 is transferred to the insulating heat conducting blocks 7, the heat on the insulating blocks 7 is quickly transferred to the heat at the outer sides of the insulating blocks 7, the heat is dissipated to the pins 5 through the heat dissipation surfaces of the cooling pins, and the heat is directly conducted on the side of the circuit board 4. This a flexible line way board for VR glasses can directly derive the heat of VR module 4 side surface pin 5 department, has replaced traditional fluting radiating mode, the high-efficient heat dissipation of the flexible line way board of VR glasses of being convenient for.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A flexible line way board for VR glasses, includes VR glasses equipment casing (1), its characterized in that: the utility model discloses a VR glasses equipment casing (1), including circuit board (3), pin (5) are all fixedly provided with on the side surface of VR module (4), the top fixed mounting of circuit board (3) has four fin (6), four the surface of pin (5) supports with the inside of four fin (6) respectively, the side surface fixed grafting of VR glasses equipment casing (1) has insulating heat conduction piece (7), the inboard of insulating heat conduction piece (7) bottom supports with the top of fin (6) and holds, louvre (8) have all been seted up to the left and right sides of apron (2) bottom.

2. The flexible circuit board for VR glasses as set forth in claim 1, wherein: four corners of apron (2) bottom all are provided with screw (9), four the top of screw (9) respectively with four corner threaded connection of VR glasses equipment casing (1) bottom.

3. The flexible circuit board for VR glasses as set forth in claim 1, wherein: the bottom of VR glasses equipment casing (1) has seted up the holding tank, the side surface and the inside wall swing joint of holding tank of circuit board (3).

4. The flexible circuit board for VR glasses as set forth in claim 1, wherein: the four sides at the top of the circuit board (3) are fixedly provided with bonding pads (10), and the bottom ends of the four pins (5) are respectively welded with the surfaces of the four bonding pads (10).

5. The flexible circuit board for VR glasses as set forth in claim 4, wherein: the bottom of the radiating fin (6) is provided with a groove (11), and the bonding pad (10) and the pins (5) are propped against the inner wall of the groove (11).