CN215073573U

CN215073573U - Multimedia navigation host

Info

Publication number: CN215073573U
Application number: CN202120661132.4U
Authority: CN
Inventors: 梁海军; 张守军
Original assignee: Huizhou Foryou General Electronics Co Ltd
Current assignee: Huizhou Foryou General Electronics Co Ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-12-07
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a multimedia navigation host, which comprises a middle frame and a mainboard, wherein the mainboard is positioned inside the middle frame, and a power amplifier IC is arranged on the mainboard; the middle frame comprises a front middle frame and a rear middle frame, the rear end edge of the front middle frame is fixedly connected with the front end edge of the rear middle frame, and the rear middle frame can dissipate heat of the power amplifier IC. The utility model has the advantages of reasonable design, through middle frame split for preceding middle frame, back middle frame, and the back middle frame can dispel the heat to power amplifier IC to the fin integration is partly of middle frame, has increaseed heat radiating area, thereby has satisfied high power amplifier I C's heat dissipation demand, need not to increase the fan again and carries out supplementary heat dissipation, thereby increases the space that the afterbody can the overall arrangement function socket, thereby makes a lot of functions can both realize together.

Description

Multimedia navigation host

Technical Field

The utility model relates to an on-vehicle multimedia navigation technical field especially relates to a multimedia navigation host computer.

Background

Referring to fig. 1 and 2, a general dual-spindle multimedia navigation host sold in the market generally includes an existing middle frame (1), an existing main board (2) is disposed in the existing middle frame (1), and an existing power amplifier IC (3) is disposed on the existing main board (2). The existing middle frame (1) is formed by integral punch, the existing power amplifier IC (3) is designed at the tail part of a host, an existing radiating fin (5) is designed at the tail part to be used for radiating in order to ensure that the effective radiating of the existing power amplifier IC (3) and the size of the host are in a standard range, the size of the existing radiating fin (5) is limited, when the power of the existing power amplifier IC (3) is large, the radiating fin can not meet the requirement, and the existing fan (4) is required to be added for auxiliary radiating. Therefore, the tail part can be very limited in space for arranging the conventional functional socket (7) after the conventional power socket (6) is arranged, so that a plurality of functions cannot be realized together, the host machine is relatively common in shape, and the new requirements of the market at present are difficult to meet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multimedia navigation host computer to solve current multimedia navigation host computer when power amplifier IC's power is great, the unable satisfying requirement of heat dissipation needs to increase the supplementary heat dissipation of fan, thereby it is very limited to lead to the space that the afterbody can overall arrangement function socket, causes the technical problem that a lot of functions can't be realized together.

In order to achieve the above object, the technical solution of the present invention provides a multimedia navigation host, including a middle frame and a main board, wherein the main board is located inside the middle frame, and the main board is provided with a power amplifier IC; the middle frame comprises a front middle frame and a rear middle frame, the rear end edge of the front middle frame is fixedly connected with the front end edge of the rear middle frame, and the rear middle frame can dissipate heat of the power amplifier IC.

Further, the rear middle frame comprises an upper side radiating fin, a left side radiating fin, a right side radiating fin and a rear side radiating fin.

Further, the rear side cooling fin is located on the upper half side of the rear face of the rear middle frame, and a detachable rear cover is arranged on the lower half side of the rear face of the rear middle frame.

Furthermore, a functional socket is arranged on the rear side of the main board, a functional socket opening is formed in the rear cover, and the position of the functional socket corresponds to the position of the functional socket opening.

Furthermore, the power amplifier IC is located on the right side of the rear portion of the main board.

Further, the rear middle frame is a die-cast rear middle frame.

Further, the front middle frame comprises an upper side plate, a left side plate and a right side plate.

Further, the rear end edge of the front middle frame and the front end edge of the rear middle frame are detachably connected and fixed.

Further, the rear end edge of the front middle frame and the front end edge of the rear middle frame are positioned by a center positioning bone and fastened by a screw.

Furthermore, the bottom of center is equipped with the bottom opening, the bottom opening part is equipped with the detachable bottom.

To sum up, the application the technical scheme of the utility model, following beneficial effect has: (1) the utility model has the advantages of reasonable design, through middle frame split for preceding middle frame, back middle frame, and the back middle frame can dispel the heat to power amplifier IC to the fin integration is partly of middle frame, has increaseed heat radiating area, thereby has satisfied high power amplifier IC's heat dissipation demand, need not to increase the fan again and carries out supplementary heat dissipation, thereby increases the space that the afterbody can overall arrangement function socket, thereby makes a lot of functions can both realize together. (2) The power amplifier IC is located on the right side of the rear portion of the mainboard, so that the space of the tail portion can be fully released, more functional sockets can be distributed on the tail portion, more functions can be achieved through multimedia, and different user requirements are met. (3) The rear middle frame is formed by die-casting, so that the appearance of the rear middle frame can be designed as required, and the appearance of the host can be designed according to the requirements of customers.

Drawings

FIG. 1 is a schematic perspective view of a conventional multimedia navigation host with a heat sink removed;

FIG. 2 is a schematic perspective view of a conventional multimedia navigation host;

fig. 3 is a schematic diagram of a first explosion structure of the multimedia navigation host of the present invention;

fig. 4 is a schematic view of a first three-dimensional structure of the multimedia navigation host of the present invention;

fig. 5 is a schematic perspective view of the front middle frame and the rear middle frame of the multimedia navigation host of the present invention;

fig. 6 is a schematic diagram of a second three-dimensional structure of the multimedia navigation host of the present invention;

fig. 7 is a schematic view of a third three-dimensional structure of the multimedia navigation host of the present invention;

fig. 8 is a schematic diagram of a second explosion structure of the multimedia navigation host of the present invention;

description of reference numerals: 1-existing middle frame, 2-existing mainboard, 3-existing power amplifier IC, 4-existing fan, 5-existing heat sink, 6-existing power socket, 7-existing functional socket; 8-front middle frame, 9-rear middle frame, 10-bottom cover, 11-rear cover, 12-main board, 13-power amplifier IC, 14-functional socket.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, but the technical solution does not limit the scope of the present invention.

In the present invention, for the sake of clearer description, the following explanation is made: the observer is observing the attached drawing 3, the left front side of the observer is set as the front side, the right rear side of the observer is set as the rear side, the left rear side of the observer is set as the left side, the right front side of the observer is set as the right side, the upper side of the observer is set as the upper side, and the lower side of the observer is set as the lower side, it should be noted that the terms "front end", "rear end", "left side", "right side", "middle part", "upper part", "lower part" and the like in the text indicate the orientation or positional relationship set based on the attached drawing, and it is only for the convenience of clearly describing the present invention, but not to indicate or suggest that the structure or parts indicated by the terms must have a specific orientation, be constructed in a specific orientation, and therefore, cannot be understood as a limitation to the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used merely for purposes of clarity or simplicity of description and are not to be construed as indicating or implying relative importance or quantity.

Referring to fig. 3, 4, 5, 6, 7, and 8, the present embodiment provides a multimedia navigation host, including a middle frame and a main board 12, where the main board 12 is located inside the middle frame, and a power amplifier IC13 is disposed on the main board 12; the center includes preceding center 8, back center 9, and the rear end edge of preceding center 8 is connected fixedly with the front end edge of back center 9, and back center 9 can dispel the heat to power amplifier IC 13.

The part has the beneficial effects that: the utility model has the advantages of reasonable design, through middle frame split for preceding middle frame, back middle frame, and the back middle frame can dispel the heat to power amplifier IC to the fin integration is partly of middle frame, has increaseed heat radiating area, thereby has satisfied high power amplifier IC's heat dissipation demand, need not to increase the fan again and carries out supplementary heat dissipation, thereby increases the space that the afterbody can overall arrangement function socket, thereby makes a lot of functions can both realize together.

Specifically, the rear center frame 9 includes an upper side fin, a left side fin, a right side fin, and a rear side fin.

The part has the beneficial effects that: the radiating area is increased to more than 2 times of that of the original double-spindle radiating fin, the radiating effect of the power amplifier IC can be effectively increased, the requirement of a high-power amplifier is met, and the size of the middle frame is kept unchanged without influencing loading.

Specifically, the rear side heat sink is located on the upper half of the rear face of the rear middle frame 9, and the lower half of the rear face of the rear middle frame 9 is provided with a detachable rear cover 11.

The part has the beneficial effects that: 1. by adding the rear cover, the structural shape of the rear middle frame is changed, and the rear middle frame has more layering compared with a flat plate type radiating fin, and is shown in fig. 4; 2. the host can realize the increase and decrease of the functional sockets by replacing the rear cover so as to achieve the state of customer requirements.

Specifically, the rear side of the main board 12 is provided with a functional socket 14, the rear cover 11 is provided with a functional socket opening, and the position of the functional socket 14 corresponds to the position of the functional socket opening, so that the functional socket 14 is connected with the outside.

Specifically, the power amplifier IC13 is located on the right side of the rear portion of the motherboard 12.

The part has the beneficial effects that: the power amplifier IC is located on the right side of the rear portion of the mainboard, so that the space of the tail portion can be fully released, more functional sockets can be distributed on the tail portion, more functions can be achieved through multimedia, and different user requirements are met.

Specifically, the rear middle frame 9 is a die-cast rear middle frame.

The part has the beneficial effects that: the rear middle frame is formed by die-casting, so that the appearance of the rear middle frame can be designed as required, and the appearance of the host can be designed according to the requirements of customers.

Specifically, the front middle frame 8 includes an upper side plate, a left side plate, and a right side plate.

Specifically, the rear end edge of the front middle frame 8 is detachably connected and fixed to the front end edge of the rear middle frame 9.

Specifically, the rear end edge of the front middle frame 8 and the front end edge of the rear middle frame 9 are positioned by a center positioning bone and fastened by screws.

Specifically, the bottom of the middle frame is provided with a bottom opening, and the bottom opening is provided with a detachable bottom cover 10.

In practical operation, referring to fig. 8, the multimedia navigation host is assembled as follows:

step 1: the front middle frame is assembled to the rear middle frame and fixed by screws;

step 2: assembling the main board into the middle frame assembly in the step 1;

and 3, step 3: assembling a bottom cover to the bottom of the assembly in the step 2, and screwing;

and 4, step 4: and (4) assembling a rear cover on the semi-finished product obtained in the step (3) and screwing.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. A multimedia navigation host comprises a middle frame and a main board (12), wherein the main board (12) is positioned inside the middle frame, and a power amplifier IC (13) is arranged on the main board (12); the method is characterized in that: the middle frame comprises a front middle frame (8) and a rear middle frame (9), the rear end edge of the front middle frame (8) is connected and fixed with the front end edge of the rear middle frame (9), and the rear middle frame (9) can dissipate heat of the power amplifier IC (13).

2. The multimedia navigation host of claim 1, wherein: the rear middle frame (9) comprises an upper side radiating fin, a left side radiating fin, a right side radiating fin and a rear side radiating fin.

3. The multimedia navigation host of claim 2, wherein: the rear side radiating fins are positioned on the upper half side of the rear face of the rear middle frame (9), and a detachable rear cover (11) is arranged on the lower half side of the rear face of the rear middle frame (9).

4. The multimedia navigation host of claim 3, wherein: the rear side of the main board (12) is provided with a functional socket (14), the rear cover (11) is provided with a functional socket opening, and the position of the functional socket (14) corresponds to the position of the functional socket opening.

5. A multimedia navigation host according to any one of claims 1 to 4, wherein: the power amplifier IC (13) is positioned on the right side of the rear part of the main board (12).

6. A multimedia navigation host according to any one of claims 1 to 4, wherein: the rear middle frame (9) is a die-casting rear middle frame.

7. A multimedia navigation host according to any one of claims 1 to 4, wherein: the front middle frame (8) comprises an upper side plate, a left side plate and a right side plate.

8. A multimedia navigation host according to any one of claims 1 to 4, wherein: the rear end edge of the front middle frame (8) is detachably connected and fixed with the front end edge of the rear middle frame (9).

9. The multimedia navigation host of claim 8, wherein: the rear end edge of the front middle frame (8) and the front end edge of the rear middle frame (9) are positioned through a central positioning bone and fastened through screws.

10. A multimedia navigation host according to any one of claims 1 to 4 and 9, wherein: the bottom of the middle frame is provided with a bottom opening, and the bottom opening is provided with a detachable bottom cover (10).