CN210670716U

CN210670716U - High heat dissipation type PCB mainboard

Info

Publication number: CN210670716U
Application number: CN201921153788.4U
Authority: CN
Inventors: 黄国辉
Original assignee: Shenzhen Xiangzhida Technology Co Ltd
Current assignee: Shenzhen Xiangzhida Technology Co Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-06-02
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a high heat dissipation type PCB mainboard, which comprises a PCB mainboard, wherein a central hole is arranged on the PCB mainboard, an elastic block is arranged in the central hole, and a gap is arranged between the side surface of the elastic block and the inner wall of the central hole; a storage cavity and an air storage cavity are arranged in the elastic block, and a heat dissipation assembly is arranged in the storage cavity; the side surface of the elastic block is provided with a plurality of slots, a fixed radiating fin is inserted into each slot, and the radiating fin is positioned above the top surface of the PCB mainboard; the radiating fin is provided with a plurality of mounting holes, and an elastic ball is fixedly mounted in each mounting hole and is in contact with the PCB mainboard. The utility model has stable structure and good shock resistance, and the PCB mainboard is not easy to loose; the PCB mainboard has strong heat dissipation performance, can adapt to various high-temperature environments, and has longer service life.

Description

High heat dissipation type PCB mainboard

Technical Field

The utility model relates to a PCB mainboard field, concretely relates to high heat dissipation type PCB mainboard.

Background

The PCB, which is called a printed circuit board in chinese, is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. It is called a "printed" circuit board because it is made using electronic printing.

The existing PCB mainboard is applied to various devices, but the heat dissipation effect of the PCB mainboard is poor, and particularly under the condition of some sealed devices, the PCB mainboard is easy to damage due to the poor heat dissipation effect.

Disclosure of Invention

The utility model aims to solve the technical problem that a can solve the high heat dissipation type PCB mainboard of above-mentioned problem, the structure is more stable.

The utility model discloses a realize through following technical scheme: a high heat dissipation type PCB mainboard comprises a PCB mainboard, wherein a central hole is formed in the PCB mainboard, an elastic block is placed in the central hole, and a gap is formed between the side surface of the elastic block and the inner wall of the central hole; a storage cavity and an air storage cavity are arranged in the elastic block, and a heat dissipation assembly is arranged in the storage cavity; the side surface of the elastic block is provided with a plurality of slots, a fixed radiating fin is inserted into each slot, and the radiating fin is positioned above the top surface of the PCB mainboard; the radiating fin is provided with a plurality of mounting holes, and an elastic ball is fixedly mounted in each mounting hole and is in contact with the PCB mainboard.

As the preferred technical scheme, the center of the cavity bottom of the storage cavity is provided with an installation groove, and the elastic block is provided with a plurality of air holes communicated with the installation groove; the heat dissipation assembly comprises a motor arranged in the mounting groove, and a motor shaft of the motor is vertically upward; a plurality of fan blades are fixed on the side surface of the motor shaft; the motor is connected with the PCB mainboard through a wire, the wire penetrates through the air holes, and the air holes are not communicated with the air storage cavity; the elastic block is provided with a plurality of exhaust holes communicated with the storage cavity.

As the preferred technical scheme, the elastic block is made of elastic rubber, and gas is stored in the gas storage cavity; the air storage cavity is positioned below the storage cavity.

As the preferred technical scheme, the radiating fins are made of elastic metal; a plurality of rows of grooves are arranged on the radiating fins; screw holes which are aligned are arranged between the radiating fin and the PCB mainboard, and screws are inserted into the screw holes.

As a preferred technical scheme, the bottom of the elastic ball is provided with a bulge part, a weighting cavity is arranged in the bulge part, and a weighting block is arranged in the weighting cavity; a plurality of jacks are arranged on the PCB main board, and a boss is inserted into the jack.

The utility model has the advantages that: the utility model has stable structure and good shock resistance, and the PCB mainboard is not easy to loose; the PCB mainboard has strong heat dissipation performance, can adapt to various high-temperature environments, and has longer service life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that 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 according to these drawings without creative efforts.

FIG. 1 is an overall structure diagram of the present invention;

fig. 2 is a structural diagram of the heat dissipation assembly of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms herein such as "upper," "above," "lower," "below," and the like in describing relative spatial positions is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, the PCB comprises a PCB main board 1, wherein a central hole 2 is formed in the PCB main board 1, an elastic block 3 is placed in the central hole, and a gap is formed between the side surface of the elastic block 3 and the inner wall of the central hole; a storage cavity 301 and an air storage cavity 302 are arranged in the elastic block 3, and a heat dissipation assembly is arranged in the storage cavity; the side surface of the elastic block 3 is provided with a plurality of slots, a radiating fin 5 is inserted and fixed in each slot, the radiating fins 5 are fixed with the slots through glue, and the radiating fins 5 are positioned above the top surface of the PCB mainboard 1; a plurality of mounting holes are formed in the radiating fin 5, an elastic ball 6 is fixedly mounted in each mounting hole, the elastic ball 6 and the radiating fin 5 are fixedly bonded, and the elastic ball 6 is in contact with the PCB mainboard 1.

As shown in fig. 2, an installation groove is formed in the center of the bottom of the storage cavity 301, and a plurality of air holes 303 communicated with the installation groove are formed in the elastic block; the heat dissipation assembly comprises a motor 7 arranged in the mounting groove, the motor 7 can be fixed through screws, the motor 7 is a mute motor, and a motor shaft 8 of the motor 7 is vertically upward; a plurality of fan blades 9 are fixedly bonded on the side surface of the motor shaft; the motor 7 is connected with the PCB main board 1 through a wire, the wire penetrates through the air vent 303, and the air vent is not communicated with the air storage cavity; the elastic block is provided with a plurality of vent holes 305 communicated with the storage cavity. The air holes are used for discharging heat generated by the motor in a working state, and the air holes are used for rotating air flow after the fan blades on the motor rotate.

The elastic block 3 is made of elastic rubber, so that the elastic block can move up and down conveniently, and the gas storage cavity is stored with gas 11, so that the stability is improved; the air storage cavity is positioned below the storage cavity.

Wherein, the radiating fin 5 is made of elastic metal; the radiating fins are provided with a plurality of rows of grooves, so that radiating surfaces are increased, and the radiating fins are in contact with the PCB main board, thereby being beneficial to radiating; screw holes which are aligned are formed between the radiating fin 5 and the PCB main board 1, and screws are inserted into the screw holes.

The bottom of the elastic ball 6 is provided with a bulge 12, the bulge and the elastic ball are of an integrated structure, a weighting cavity is arranged in the bulge, and a weighting block 13 is arranged in the weighting cavity, so that the gravity center of the elastic ball is downward; the PCB main board is provided with a plurality of jacks 16, and a convex part is inserted into the jacks 16, and the diameter of each jack is directly larger than that of the convex part.

The working principle is as follows: when the fan blade type air cooling fan is used, the motor is connected with the PCB mainboard, the motor is operated in the working state, the motor shaft rotates after the motor is operated, the fan blades are driven to rotate, air flow is generated after the fan blades rotate, the air flow is discharged through the exhaust holes, and the air flow acts on the PCB mainboard to accelerate the heat dissipation of the PCB mainboard.

The whole PCB mainboard is particularly suitable for being installed in equipment in a motion state for a long time such as an automobile, the equipment in the motion state is usually accompanied by shaking, and the shaking of the elastic block is driven after the shaking, so that the position of the exhaust hole can be changed, the exhaust position of the air flow is different, and the radiating surface of the air flow is increased.

The bulge and the elastic ball are integrated and made of rubber, one end of the bulge is arranged below the PCB after penetrating through the PCB, and the anti-seismic effect of the PCB is improved.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a high heat dissipation type PCB mainboard which characterized in that: the PCB comprises a PCB main board, wherein a central hole is formed in the PCB main board, an elastic block is placed in the central hole, and a gap is formed between the side surface of the elastic block and the inner wall of the central hole; a storage cavity and an air storage cavity are arranged in the elastic block, and a heat dissipation assembly is arranged in the storage cavity; the side surface of the elastic block is provided with a plurality of slots, a fixed radiating fin is inserted into each slot, and the radiating fin is positioned above the top surface of the PCB mainboard; the radiating fin is provided with a plurality of mounting holes, and an elastic ball is fixedly mounted in each mounting hole and is in contact with the PCB mainboard.

2. The high heat dissipation type PCB main board of claim 1, wherein: the center of the bottom of the storage cavity is provided with an installation groove, and the elastic block is provided with a plurality of air holes communicated with the installation groove; the heat dissipation assembly comprises a motor arranged in the mounting groove, and a motor shaft of the motor is vertically upward; a plurality of fan blades are fixed on the side surface of the motor shaft; the motor is connected with the PCB mainboard through a wire, the wire penetrates through the air holes, and the air holes are not communicated with the air storage cavity; the elastic block is provided with a plurality of exhaust holes communicated with the storage cavity.

3. The high heat dissipation type PCB main board of claim 1, wherein: the elastic block is made of elastic rubber, and gas is stored in the gas storage cavity; the air storage cavity is positioned below the storage cavity.

4. The high heat dissipation type PCB main board of claim 1, wherein: the radiating fins are made of elastic metal; a plurality of rows of grooves are arranged on the radiating fins; screw holes which are aligned are arranged between the radiating fin and the PCB mainboard, and screws are inserted into the screw holes.

5. The high heat dissipation type PCB main board of claim 1, wherein: the bottom of the elastic ball is provided with a bulge part, a weighting cavity is arranged in the bulge part, and a weighting block is arranged in the weighting cavity; a plurality of jacks are arranged on the PCB main board, and a boss is inserted into the jack.