CN214125132U

CN214125132U - Power adapter with heat dissipation function

Info

Publication number: CN214125132U
Application number: CN202120018578.5U
Authority: CN
Inventors: 魏奇斌; 董远剑
Original assignee: Shenzhen Yingyuan Electronics Co ltd
Current assignee: Shenzhen Yingyuan Electronics Co ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-09-03
Anticipated expiration: 2031-01-06

Abstract

A power adapter with a heat dissipation function comprises a main shell and a cover plate, wherein the cover plate is connected to an opening at the lower end of the main shell in a sealing mode, the main shell and the cover plate enclose to form a mounting cavity, and an adapter main board fixedly connected with the main shell is arranged in the mounting cavity in a suspended mode; the top surface of the main shell body is pasted with a fin-shaped radiator, a plurality of vertical insulating heat conducting pieces are arranged in the installation cavity at intervals, the lower end of each insulating heat conducting piece is tightly attached to a metal shielding cover and/or a chip on the adapter mainboard, and the upper end of each insulating heat conducting piece penetrates through the main shell body and is tightly attached to the bottom surface of the radiator. The utility model discloses a power adapter with heat dissipation function bridges between the main position of generating heat of adapter mainboard and radiator through setting up insulating heat-conducting piece to conduct the heat to the outside on the adapter mainboard fast, thereby reach good cooling effect, and then guaranteed power adapter's steady operation, improved life.

Description

Power adapter with heat dissipation function

Technical Field

The utility model relates to a power technical field, concretely relates to power adapter with heat dissipation function.

Background

With the popularization of computers, especially notebook computers bring much convenience to the life of people due to the portability. The power adapter is a basic configuration of a notebook computer, is used for supplying power to the notebook computer by external commercial power, and comprises a power converter, a commercial power input cable and plug, and a direct current power output cable and plug. Therefore, with the increasing use of notebook computers, the use of notebook computer adapters as their important configurations is also becoming widespread.

When the current power adapter supplies power to a notebook computer, internal devices of the current power adapter can generate certain heat, the accumulated heat generated in long-time work is more and more, the temperature is higher and higher, especially, the power adapter is used in a high-temperature environment in summer, the overhigh ambient temperature and the heat emitted by the power adapter not only influence the work of the power adapter, but also shorten the service life of the power adapter, and the power adapter is seriously failed.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model provides a power adapter with heat dissipation function to solve the radiating heat influence work of current power adapter and life's technical problem.

In order to achieve the purpose, the utility model provides a power adapter with a heat dissipation function, which comprises a main shell and a cover plate, wherein the cover plate is hermetically connected at the opening at the lower end of the main shell; the top surface subsides of main casing body are equipped with the radiator of fin shape, the installation intracavity interval is equipped with a plurality of vertical insulating heat-conducting pieces, the lower extreme of insulating heat-conducting piece with metal shielding cover and/or chip on the adapter mainboard are hugged closely, the upper end of insulating heat-conducting piece passes the main casing body with the bottom surface of radiator is hugged closely.

As the utility model discloses a further preferred technical scheme, insulating heat-conducting piece is the column, and its material is heat conduction silica gel, heat conduction silicone grease, heat conduction silica gel or heat conduction graphite.

As a further preferred technical scheme of the utility model, the sunken with radiator complex mounting groove of the top surface of the main casing body, the radiator subsides are established in the mounting groove and with the top surface parallel and level of the main casing body.

As the utility model discloses a further preferred technical scheme, be used for fixing on the main casing body the position of adapter mainboard is equipped with the spring, the adapter mainboard compresses tightly on the spring and through the screw with main casing body fixed connection, the elasticity direction of spring with it is right to insulate heat-conducting piece the roof pressure direction of adapter mainboard is unanimous.

As a further preferred technical scheme of the utility model, the main internal screw post towards its lower extreme opening direction that is equipped with of casing, the spring sets up the top of screw post, the adapter mainboard compresses tightly on the spring and through the screw with screw post fixed connection.

As a further preferred technical scheme of the utility model, the apron with the crimping has silica gel pad or sponge piece between the adapter mainboard, silica gel pad or sponge piece are right the elasticity direction that the adapter mainboard was applyed with insulating heat-conducting piece is right the roof pressure opposite direction of adapter mainboard.

As a further preferable technical scheme of the utility model, one end of the main shell is concavely provided with a jack, and a hardware pin connected with the adapter mainboard is fixedly arranged in the jack; the other end of the main casing body is provided with a wire passing hole, a power wire connected to the adapter mainboard passes through the wire passing hole and extends to the outside, and a protective sleeve fixedly connected with the power wire is sleeved in the wire passing hole.

As a further preferred technical scheme of the utility model, the main casing body with the apron is insulating plastic material, the material of radiator is copper or aluminium matter.

As a further preferred technical scheme of the utility model, the main casing body with the whole that the apron connection formed is the cuboid.

The utility model discloses a power adapter with heat dissipation function adopts above-mentioned technical scheme, can reach following beneficial effect:

1) the bridge connection is realized between the main heating part of the adapter mainboard and the radiator through the insulating heat-conducting part, so that heat on the adapter mainboard is conducted to the outside quickly, a good cooling effect is achieved, stable work of the power adapter is guaranteed, and the service life is prolonged.

2) The utility model has good overall sealing performance, and good waterproof and dustproof performance;

3) the utility model is used for the insulating heat-conducting piece of inside and outside heat conduction is insulating material, and the security is good.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a cross-sectional view of an example provided by the power adapter with heat dissipation function of the present invention.

In the figure: 1. insulating heat-conducting member, 2, radiator, 3, the main casing body, 4, protective sheath, 5, power cord, 6, five metals are participated in, 7, adapter mainboard, 8, chip, 9, metallic shield cover, 10, spring, 11, apron.

The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for the sake of clarity only, and are not intended to limit the scope of the invention, its relative relationship between the terms and their derivatives, and the scope of the invention should be understood as being limited by the claims.

As shown in fig. 1, the power adapter with a heat dissipation function includes a main housing 3 and a cover plate 11, where the cover plate 11 is hermetically connected to an opening at a lower end of the main housing 3, the main housing 3 and the cover plate 11 enclose to form an installation cavity, and an adapter main board 7 fixedly connected to the main housing 3 is disposed in the installation cavity in a suspended manner; the top surface of main casing body 3 pastes and is equipped with the radiator 2 of fin shape, the installation intracavity interval is equipped with a plurality of vertical insulating heat-conducting pieces 1, the lower extreme of insulating heat-conducting piece 1 with metal shielding cover 9 and/or chip 8 on the adapter mainboard 7 are hugged closely, the upper end of insulating heat-conducting piece 1 is passed main casing body 3 with the bottom surface of radiator 2 is hugged closely.

Metal shield cover 9 in the power adapter mainly used shroud adapter mainboard 7 on produce electromagnetic interference's components and parts or receive the components and parts that outside electromagnetic interference influences easily, when adapter mainboard 7 is in the course of the work, metal shield cover 9 goes up and chip 8's surface can gather a large amount of heats, because it is inside be confined space, can't directly carry out the heat exchange cooling with the outside air, bridge between the main position of generating heat of adapter mainboard 7 and radiator 2 through setting up insulating heat-conducting member 1 in the present case, thereby conduct the outside with the heat on the adapter mainboard 7 fast, thereby reach good cooling effect, and guaranteed power adapter's steady operation, service life is prolonged.

Further preferably, the insulating and heat-conducting member 1 is a column, and is made of heat-conducting silica gel, heat-conducting silicone grease, heat-conducting silica gel or heat-conducting graphite, preferably heat-conducting graphite, which is obtained by processing natural graphite, and has a heat conductivity coefficient up to 1500W/M-K in the horizontal direction, and uniform heat conduction.

Further preferably, the top surface of the main casing 3 sinks to form an installation groove matched with the radiator 2, and the radiator 2 is attached to the installation groove and flush with the top surface of the main casing 3, so that the radiator 2 is not easy to break.

In specific implementation, a spring 10 is arranged at a position, used for fixing the adapter main board 7, on the main housing 3, the adapter main board 7 is pressed against the spring 10 and is fixedly connected with the main housing 3 through a screw, and the elastic direction of the spring 10 is consistent with the pressing direction of the insulating heat-conducting member 1 to the adapter main board 7.

In an embodiment, a screw column facing the lower opening direction of the main housing 3 is disposed in the main housing, the spring 10 is disposed at the top end of the screw column, and the adaptor main plate 7 is pressed against the spring 10 and is fixedly connected to the screw column through a screw.

Preferably, a silica gel pad or a sponge block is crimped between the cover plate 11 and the adapter mainboard 7, the silica gel pad or the sponge block is opposite to the elastic direction applied by the adapter mainboard 7 and the jacking direction of the insulating heat-conducting piece 1 to the adapter mainboard 7, and the silica gel pad or the sponge block applies elastic force under the pressure of the cover plate 11 to act on the adapter mainboard 7, so that the insulating heat-conducting piece 1 is tightly attached to the metal shielding cover 9 and/or the chip 8, and then the insulating heat-conducting piece 1 is tightly attached to the radiator 2, thereby ensuring the conduction of a heat conduction path and facilitating heat conduction.

In specific implementation, a jack is formed at one end of the main housing 3 in a concave manner, and a hardware pin 6 connected with the adapter main board 7 is fixedly arranged in the jack; the other end of the main casing body 3 is provided with a wire passing hole, a power line 5 connected to the adapter main board 7 passes through the wire passing hole and extends to the outside, and a protective sleeve 4 fixedly connected with the power line 5 is sleeved in the wire passing hole.

In specific implementation, the main housing 3 and the cover plate 11 are made of insulating plastic, and the heat sink 2 is made of copper or aluminum. The main casing body 3 with the whole that the apron 11 connection formed is the cuboid, the overall arrangement of being convenient for and putting.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.

Claims

1. A power adapter with a heat dissipation function is characterized by comprising a main shell and a cover plate, wherein the cover plate is connected to an opening at the lower end of the main shell in a sealing mode, the main shell and the cover plate enclose to form a mounting cavity, and an adapter main board fixedly connected with the main shell is arranged in the mounting cavity in a suspended mode; the top surface subsides of main casing body are equipped with the radiator of fin shape, the installation intracavity interval is equipped with a plurality of vertical insulating heat-conducting pieces, the lower extreme of insulating heat-conducting piece with metal shielding cover and/or chip on the adapter mainboard are hugged closely, the upper end of insulating heat-conducting piece passes the main casing body with the bottom surface of radiator is hugged closely.

2. The power adapter with heat dissipation function as claimed in claim 1, wherein the insulating and heat-conducting member is a cylinder made of heat-conducting silica gel, heat-conducting silicone grease, heat-conducting silica gel or heat-conducting graphite.

3. The power adapter with heat dissipation function according to claim 1, wherein the top surface of the main housing is recessed to form a mounting groove matched with the heat sink, and the heat sink is attached to the mounting groove and flush with the top surface of the main housing.

4. The power adapter with heat dissipation function as claimed in claim 1, wherein a spring is disposed on the main housing for fixing the adapter main board, the adapter main board is pressed against the spring and is fixedly connected to the main housing by a screw, and a direction of an elastic force of the spring is the same as a pressing direction of the insulating heat-conducting member against the adapter main board.

5. The power adapter with the heat dissipation function as claimed in claim 4, wherein a screw post is disposed in the main housing and faces the opening of the lower end of the main housing, the spring is disposed at the top end of the screw post, and the adapter main board is pressed against the spring and is fixedly connected to the screw post through a screw.

6. The power adapter with the heat dissipation function as claimed in claim 1, wherein a silicone pad or a sponge block is crimped between the cover plate and the adapter motherboard, and a direction of an elastic force applied by the silicone pad or the sponge block to the adapter motherboard is opposite to a pressing direction of the insulating heat-conducting member to the adapter motherboard.

7. The power adapter with the heat dissipation function according to any one of claims 1 to 6, wherein a socket is concavely formed at one end of the main housing, and hardware pins connected with the adapter main board are fixedly arranged in the socket; the other end of the main casing body is provided with a wire passing hole, a power wire connected to the adapter mainboard passes through the wire passing hole and extends to the outside, and a protective sleeve fixedly connected with the power wire is sleeved in the wire passing hole.

8. The power adapter with heat dissipation function of any one of claims 1 to 6, wherein the main housing and the cover plate are made of insulating plastic, and the heat sink is made of copper or aluminum.

9. The power adapter with the heat dissipation function according to any one of claims 1 to 6, wherein the main housing and the cover plate are connected to form a cuboid.