CN212751827U

CN212751827U - Charger heat radiation structure

Info

Publication number: CN212751827U
Application number: CN202021296599.5U
Authority: CN
Inventors: 彭平; 王小东
Original assignee: Shenzhen Gan Electronic Technology Co ltd
Current assignee: Shenzhen Gan Electronic Technology Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-03-19
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a charger heat radiation structure, which comprises a pane, the bottom outer wall fixedly connected with fin of panel, and symmetrical fixedly connected with combination radiator unit between the both sides outer wall of fin and panel, the top inner wall of panel is opened there is the fixed slot, and the inner wall fixedly connected with high-speed fan of fixed slot, the bottom outer wall of fin is opened there is the copper pipe hole, and the inner wall in copper pipe hole pegs graft and have lower heat conduction copper pipe, the pressfitting forms the heat conduction panel between the bottom outer wall of lower heat conduction copper pipe, one side outer wall fixedly connected with circulation liquid case of fin. The utility model discloses combine forced air cooling and water-cooling, the forced air cooling passes through the fin heat conduction, and perpendicular two U type intubate heat conduction, direct take out the fan area from the heat, and the heat that improves holistic heat conduction aspect is taken away from fast step by step, improves the radiating effect, and the water-cooling is supplementary forced air cooling structure, and perpendicular network structure improves the heat contact surface, can improve the exchange between fin and the inside heat.

Description

Charger heat radiation structure

Technical Field

The utility model relates to a charger technical field especially relates to a charger heat radiation structure.

Background

A Charger (Charger) is a device that charges other electrical appliances. The equipment adopts a high-frequency power supply technology, applies an intelligent dynamic adjustment charging technology, utilizes a power electronic semiconductor device to convert alternating current with fixed voltage and fixed frequency into direct current, generally comprises a flexible circuit board, an electronic component and the like, can be divided into a power frequency machine and a high-frequency machine according to the working frequency of a designed circuit, is widely applied to various fields, particularly in the living field, and is widely applied to common electric appliances such as mobile phones, cameras and the like.

If the grant bulletin number is CN207835118U discloses a charger heat radiation structure, including shell, circuit board, heat dissipation copper pipe, protection network and filter screen, wherein shell one side is provided with the plug the lower extreme both sides of shell have seted up the ventilation hole respectively install in the outside opening in ventilation hole the protection network install in the inboard opening in ventilation hole the filter screen.

Through the design such as some conventional louvres, the income that receives on some high power and the charger of long-time high load is very little, so need dispel the heat to the core defeated flow PCB board of charger, need utilize auxiliary heat dissipation such as our common wind-force heat dissipation, water-cooling heat dissipation can reach better effect.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a heat radiation structure of a charger.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a charger heat radiation structure comprises a panel, wherein the bottom outer wall of the panel is fixedly connected with a heat radiation fin, combined heat radiation components are symmetrically and fixedly connected between the two side outer walls of the heat radiation fin and the two side outer walls of the panel, the top inner wall of the panel is provided with a fixed groove, the inner wall of the fixed groove is fixedly connected with a high-speed fan, the bottom outer wall of the heat radiation fin is provided with a copper pipe hole, the inner wall of the copper pipe hole is inserted with a lower heat conduction copper pipe, the bottom outer walls of the lower heat conduction copper pipe are pressed to form a heat conduction panel, the outer wall of one side of the heat radiation fin is fixedly connected with a circulating liquid box, the combined heat radiation component comprises a water cooling part and an air cooling part, the air cooling part comprises double U-shaped insertion pipes and branch pipes, the double U-shaped insertion pipes are vertically inserted on the top inner, the water cooling piece comprises a drainage tube and a spiral heat absorption tube, the two ends of the spiral heat absorption tube are connected with the drainage tube box, the inner wall of the spiral heat absorption tube is sleeved on the outer wall of the end part of the double-U-shaped insertion tube, and the end part of the circulating liquid box and the drainage tubes on the two sides of the circulating liquid box are connected to form a loop.

As a further scheme of the utility model, the junction of two U type intubate and fin, panel is equipped with the recess, and the recess inner wall joint has the sealing washer.

As a further proposal of the utility model, the water-cooling piece still includes the water-cooling otter board, and the water-cooling otter board is the latticed water route tubular construction of cavity, the tip symmetric distribution of drainage tube is on the both sides outer wall of water-cooling otter board.

As a further scheme of the utility model, the middle part symmetric distribution of water-cooling otter board has the fan fixed slot, and the bottom outer wall fixed connection of high-speed fan is on the inner wall of fan fixed slot.

As a further scheme of the utility model, the inner wall joint of fan fixed slot has the heat dissipation circle, and the outer wall equidistance annular distribution of heat dissipation circle has the heat conduction pole, the tip fixed connection of heat conduction pole is on the inner wall of water-cooling otter board.

As a further aspect of the present invention, the high-speed fan is connected to a switch, and the switch is connected to the microprocessor through a wire.

As the utility model discloses further scheme still includes Y type branch pipe, Y type branch pipe fixed connection is on the tip outer wall of drainage tube, and the tip of Y type branch pipe and the branch end of another Y type branch pipe are connected, interconnect forms tree structure between the Y type branch pipe, and the fixedly connected with difference in temperature circulation pipe between the adjacent one side inner wall of Y type branch pipe.

The utility model has the advantages that:

1. the charger heat dissipation structure is used for being fixed on heating parts of a circuit board, such as a charging control chip and other components, and can quickly bring heat away from the heating parts of a plate body through the lower heat conduction copper pipe, so that the working temperature of the whole plate body is improved and maintained at a lower level;

2. the charger heat dissipation structure combines air cooling and water cooling, wherein the air cooling conducts heat through the heat dissipation fins, the vertical double-U-shaped insertion tubes conduct heat, meanwhile, the vertical pumping fan brings away heat, the heat on the whole heat conduction layer is rapidly brought away step by step, and the heat dissipation effect is improved;

3. this water-cooling among the charger heat radiation structure is supplementary air-cooled structure, through with its contact fin, perpendicular network structure improves the heat contact surface simultaneously, can improve to be the exchange between fin and the inside heat, realizes heat exchange simultaneously between tip and air-cooled intubate, and the liquid case circulation utilizes the inside difference in temperature circulation of liquid, need not external power, improves air-cooled heat transfer effect.

Drawings

Fig. 1 is a schematic perspective view of a heat dissipation structure of a charger according to embodiment 1 of the present invention;

fig. 2 is a schematic front view of a combined heat dissipation assembly according to embodiment 1 of the heat dissipation structure of the charger of the present invention;

fig. 3 is a schematic view of a water-cooling mesh plate structure of a charger heat dissipation structure embodiment 1 according to the present invention;

fig. 4 is a schematic structural view of a water cooling member according to embodiment 2 of the heat dissipation structure of the charger of the present invention.

In the figure: 1 panel, 2 fin, 3 circulation liquid case, 4 lower heat conduction copper pipes, 5 combination radiating component, 6 high-speed fan, 7 two U type intubate, 8 sealing washer, 9 drainage tubes, 10 spiral heat absorption pipe, 11 heat dissipation rings, 12 water-cooling otter board, 13 fan fixed slots, 14 difference in temperature circulation pipe, 15Y type branch pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-3, a charger heat dissipation structure comprises a panel 1, a heat sink 2 is fixedly connected to the outer wall of the bottom end of the panel 1, and a combined heat dissipation assembly 5 is symmetrically and fixedly connected between the outer walls of the two sides of the heat sink 2 and the outer walls of the two sides of the panel 1, a fixing groove is formed on the inner wall of the top of the panel 1, a high-speed fan 6 is fixedly connected to the inner wall of the fixing groove, a copper pipe hole is formed on the outer wall of the bottom end of the heat sink 2, a lower heat conduction copper pipe 4 is inserted into the inner wall of the copper pipe hole, a heat conduction panel is formed by pressing the outer walls of the bottom ends of the lower heat conduction copper pipe 4, a circulating liquid tank 3 is fixedly connected to the outer wall of one side of the heat sink 2, the combined heat dissipation assembly 5 comprises a water cooling part and an air cooling part, the air cooling part comprises a double-U-shaped, the water cooling piece comprises a drainage tube 9 and a spiral heat absorption tube 10, two ends of the spiral heat absorption tube 10 are connected with a drainage tube 9 box, the inner wall of the spiral heat absorption tube 10 is sleeved on the outer wall of the end part of the double-U-shaped insertion tube 7, the end part of the circulating liquid box 3 is connected with the drainage tubes 9 on two sides to form a loop, a groove is arranged at the joint of the double-U-shaped insertion tube 7, the radiating fins 2 and the panel 1, a sealing ring 8 is clamped on the inner wall of the groove, the water cooling piece also comprises a water cooling screen plate 12, the water cooling screen plate 12 is a hollow latticed water path tube structure, the end parts of the drainage tubes 9 are symmetrically distributed on the outer walls on two sides of the water cooling screen plate 12, fan fixing grooves 13 are symmetrically distributed in the middle of the water cooling screen plate 12, the outer wall at the bottom end of the high-speed fan 6 is, the end part of the heat conducting rod is fixedly connected on the inner wall of the water-cooling screen plate 12, the high-speed fan 6 is connected with a switch, and the switch is connected with a microprocessor through a lead.

The working principle of the embodiment is as follows: this charger heat radiation structure is used for fixing the part that generates heat at the circuit board, for example on charging control chip and the like, the combination radiating component 5 through air-cooling and water-cooling combination improves the radiating efficiency, wherein the air-cooling passes through fin 2, the heat conduction of vertically two U type intubate 7, the high-speed fan 6 of the perpendicular class of taking out simultaneously takes away the heat, the water-cooling is supplementary air-cooling structure, through contacting it with the fin, the perpendicular network structure of water-cooling otter board 12 improves the heat contact surface, can improve to be the exchange between fin 2 and the inside heat, realize heat exchange simultaneously between tip and air-cooled intubate, the inside difference in temperature circulation of liquid is utilized to the water-cooling in the circulating liquid case 3, need not external power, improve air-cooling heat transfer.

Example 2

Referring to fig. 4, a heat dissipation structure of a charger, this embodiment is different from embodiment 1 mainly in that in this embodiment, a Y-branch pipe 15 is further included, the Y-branch pipe 15 is fixedly connected to an outer wall of an end portion of a drainage tube 9, an end portion of the Y-branch pipe 15 is connected to a branch end of another Y-branch pipe 15, the Y-branch pipes 15 are connected to each other to form a tree structure, and a temperature difference circulation tube 14 is fixedly connected between inner walls of adjacent sides of the Y-branch pipes 15.

The working principle of the embodiment is as follows: based on the working principle in the embodiment 1, the water cooling mesh plate 12 is replaced by a water cooling piece connected with a Y-shaped branch pipe 15 with a tree structure, and the heat exchange efficiency and the water cooling circulation efficiency in the pipe body are improved and the water cooling auxiliary effect is improved through a temperature difference circulating pipe 14 between the Y-shaped pipes 15.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", "first", "second", etc. indicate the orientation or positional relationship based on the orientation or positional relationship 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.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A charger heat radiation structure comprises a panel (1) and is characterized in that a heat radiation fin (2) is fixedly connected to the outer wall of the bottom end of the panel (1), combined heat radiation components (5) are symmetrically and fixedly connected between the outer walls of the two sides of the heat radiation fin (2) and the outer walls of the two sides of the panel (1), a fixed groove is formed in the inner wall of the top of the panel (1), a high-speed fan (6) is fixedly connected to the inner wall of the fixed groove, a copper pipe hole is formed in the outer wall of the bottom end of the heat radiation fin (2), a lower heat conduction copper pipe (4) is inserted into the inner wall of the copper pipe hole, a heat conduction panel is formed by pressing and combining the outer walls of the bottom end of the lower copper pipe (4), a circulating liquid tank (3) is fixedly connected to the outer wall of one side of the heat radiation fin (2), each combined heat, and the double-U-shaped insertion pipes (7) are vertically inserted into the inner wall of the top end of the radiating fin (2), the outer wall of the bottom ends of the double-U-shaped insertion pipes (7) is vertically connected onto the outer wall of the lower heat conduction copper pipe (4) through a branch pipe, the water cooling piece comprises a drainage pipe (9) and a spiral heat absorption pipe (10), the two ends of the spiral heat absorption pipe (10) are both connected with a drainage pipe (9) box, the inner wall of the spiral heat absorption pipe (10) is sleeved on the outer wall of the end part of the double-U-shaped insertion pipes (7), and the end part of the circulating liquid box (3) and the drainage pipes (9) on the two sides are.

2. The heat dissipation structure of the charger according to claim 1, wherein a groove is formed at the joint of the double-U-shaped insertion tube (7), the heat dissipation fin (2) and the panel (1), and a sealing ring (8) is clamped on the inner wall of the groove.

3. The heat dissipation structure of the charger according to claim 1, wherein the water cooling member further comprises a water cooling screen (12), the water cooling screen (12) is a hollow grid-shaped waterway pipe structure, and the ends of the draft tube (9) are symmetrically distributed on the outer walls of two sides of the water cooling screen (12).

4. The heat dissipation structure of the charger according to claim 3, wherein fan fixing grooves (13) are symmetrically distributed in the middle of the water-cooling screen (12), and the outer wall of the bottom end of the high-speed fan (6) is fixedly connected to the inner wall of the fan fixing grooves (13).

5. The heat dissipation structure of the charger according to claim 4, wherein the inner wall of the fan fixing groove (13) is clamped with a heat dissipation ring (11), heat conduction rods are annularly distributed on the outer wall of the heat dissipation ring (11) at equal intervals, and the end parts of the heat conduction rods are fixedly connected to the inner wall of the water cooling screen (12).

6. The heat dissipation structure of the charger according to claim 1, wherein the high-speed fan (6) is connected with a switch, and the switch is connected with the microprocessor through a wire.

7. The heat dissipation structure of the charger according to claim 1, further comprising Y-shaped branch pipes (15), wherein the Y-shaped branch pipes (15) are fixedly connected to the outer wall of the end portion of the drainage tube (9), the end portions of the Y-shaped branch pipes (15) are connected to the branch ends of another Y-shaped branch pipe (15), the Y-shaped branch pipes (15) are connected to each other to form a tree-shaped structure, and a temperature difference circulation pipe (14) is fixedly connected to the inner wall of one side of the Y-shaped branch pipes (15) adjacent to each other.