CN211909522U

CN211909522U - High-efficient heat dissipation power module

Info

Publication number: CN211909522U
Application number: CN202020753394.9U
Authority: CN
Inventors: 黄春江; 贾晓圆
Original assignee: Guangzhou Guantu Electronic Technology Co ltd
Current assignee: Guangzhou Guantu Electronic Technology Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-11-10
Anticipated expiration: 2030-05-09

Abstract

The utility model particularly discloses a high-efficiency heat dissipation power supply module, which comprises a shell and a power supply body, wherein a cavity is arranged inside the shell; a fan is arranged in the cavity; a contact switch is electrically connected above the fan; the power supply body is arranged in the cavity; the bottom of the power supply body is symmetrically provided with connecting plates; one end of the connecting plate extends out of the bottom of the shell; one end of the connecting plate, which extends out of the connecting plate, is provided with an air deflector; the bottom of the power supply body is provided with an expansion contact; the expansion contact is arranged right above the contact switch. The utility model discloses simple structure, when power body generates heat, the expansion contact inflation extension gradually, along with the temperature is higher and higher, the expansion contact is contradicted with the contact switch and is connected, and fan and power body communicate mutually this moment, and fan work spreads the heat of power body to the aviation baffle, derives the external world with the heat along the side of shell by the aviation baffle, has realized high-efficient radiating purpose.

Description

High-efficient heat dissipation power module

Technical Field

The utility model relates to the field of electronic technology, concretely relates to high-efficient heat dissipation power module.

Background

The power supply module is a power supply device which can be directly attached to a printed circuit board and is characterized by supplying power to an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a microprocessor, a memory, a Field Programmable Gate Array (FPGA) and other digital or analog loads. Generally, such modules are referred to as point-of-load (POL) power supply systems or point-of-use power supply systems (PUPS). Due to the advantages of the modular structure, the modular power supply is widely used in the communication fields of switching equipment, access equipment, mobile communication, microwave communication, optical transmission, routers and the like, and in automotive electronics, aerospace and the like.

The power module can generate larger heat in the processes of self charging and discharging to the external equipment. The shell of the conventional mobile power supply is sealed for the purpose of attractiveness, so that the generated heat cannot be discharged in time. In the past, the service life of the mobile power supply is greatly shortened, and the accident of explosion due to overhigh heat can also occur.

Therefore, an efficient heat dissipation power module is provided to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a high-efficient heat dissipation power module is provided, its simple structure, the radiating effect is good.

A high-efficiency heat dissipation power module comprises

The shell is internally provided with a cavity; a fan is arranged in the cavity; a contact switch is electrically connected above the fan;

the power supply body is arranged in the cavity; the bottom of the power supply body is symmetrically provided with connecting plates; one end of the connecting plate extends out of the bottom of the shell; one end of the connecting plate, which extends out of the connecting plate, is provided with an air deflector; the bottom of the power supply body is provided with an expansion contact; the expansion contact is arranged right above the contact switch.

Adopt above-mentioned technical scheme: when power body generates heat, the expansion contact expands and extends gradually, along with the temperature is higher and higher, the expansion contact is contradicted with the contact switch and is connected, and the fan communicates with power body this moment, and fan work spreads the heat of power body to the aviation baffle, derives the external world with the heat along the side of shell by the aviation baffle, realizes the efficient radiating effect.

Preferably, the top of the power body is symmetrically provided with power pole pieces.

Further preferably, an inner shell is arranged on the inner side of the outer shell; the power body is arranged on the inner side of the inner shell.

Further preferably, the upper wall of the inner shell is symmetrically embedded with a honeycomb socket; one end of the honeycomb socket extends out of the top of the shell.

Further preferably, the lower end of the honeycomb socket is provided with a conductive copper column; the lower end of the conductive copper column extends into the cavity to be electrically connected with the power pole piece.

Still further preferably, the honeycomb socket is provided with a jack; the jack is used for connecting the conductive copper column with an external power line.

Adopt above-mentioned technical scheme: the honeycomb socket makes in the air can get into the cavity, can form the convection current in the cavity when the fan during operation, effectively improves this power module's radiating efficiency, and the jack is convenient for electrically conductive copper post and is connected with external power cord, simple structure, convenient operation.

Preferably, the outer shell and the inner shell are filled with heat insulation filler; the heat-insulating filler is glass fiber or asbestos.

Adopt above-mentioned technical scheme: effectively isolated heat transfer avoids scalding the hand to the shell through adiabatic filler, can guarantee simultaneously that the heat is along a direction transmission, and the radiating effect is better.

Preferably, an air outlet is arranged at the bottom of the shell in a penetrating manner; the air outlet is arranged below the fan.

Preferably, a limiting seat is fixed on the connecting plate.

Preferably, the middle part of the air deflector is of an upwards-convex arc-shaped structure, and two ends of the air deflector are horizontally arranged.

Adopt above-mentioned technical scheme: when the fan works, the heat in the cavity can be transferred to the outer side of the shell along the air outlet, and under the guide action of the air guide plate with the arc-shaped structure, the heat is transferred to the two sides of the shell along the air guide plate, so that the heat can not be re-transferred into the cavity through the honeycomb socket, and the heat dissipation effect is further improved.

Has the advantages that: the utility model has simple structure, when the power body generates heat, the expansion contact head gradually expands and extends, along with the temperature increasing, the expansion contact head is connected with the contact switch in a butting way, at the moment, the fan is communicated with the power body, the fan works to transmit the heat of the power body to the air deflector, the heat is led out from the outside along the side end of the shell by the air deflector, thereby realizing the efficient heat dissipation effect, wherein, the honeycomb socket enables the air to enter the cavity, the convection can be formed in the cavity when the fan works, the heat dissipation efficiency of the power module is effectively improved, the jack is convenient for the conductive copper column to be connected with the external power line, the structure is simple, the operation is convenient, the heat is effectively isolated from being transmitted to the shell by the heat insulation filler to avoid scalding hands, meanwhile, the heat can be transmitted along one direction, the heat dissipation effect is better, when the fan works, through the guide effect of the air deflector with the arc-shaped structure, heat is transferred to the two sides of the shell along the air deflector, so that the heat dissipated can not be returned into the cavity through the honeycomb socket, and the heat dissipation effect is further improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1-a housing; 2-a cavity; 3-a power supply body; 4-a thermally insulating filler; 5-inner shell; 6-power pole piece; 7-a honeycomb socket; 8-a jack; 9-conductive copper posts; 10-a connecting plate; 11-a wind deflector; 12-a limiting seat; 13-a fan; 14-a contact switch; 15-expansion contacts; 16-air outlet.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

In the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1, the utility model provides a high-efficiency heat dissipation power module, which comprises a housing 1 and a power body 3, wherein a cavity 2 is arranged inside the housing 1; a fan 13 is arranged in the cavity 2; a contact switch 14 is electrically connected above the fan 13; the power supply body 3 is arranged in the cavity 2; the bottom of the power supply body 3 is symmetrically provided with connecting plates 10; one end of the connecting plate 10 extends out of the bottom of the shell 1; one end of the connecting plate 10, which extends out of the connecting plate 10, is provided with an air deflector 11; the bottom of the power supply body 3 is provided with an expansion contact 15; the expansion contact 15 is arranged right above the contact switch 14; when power supply body 3 generates heat, expansion contact 15 expands and extends gradually, along with the temperature is higher and higher, expansion contact 15 contradicts with contact switch 14 and is connected, and fan 13 is linked together with power supply body 3 this moment, and fan 13 work spreads power supply body 3's heat to aviation baffle 11, is derived the external world with the heat along the side of shell 1 by aviation baffle 11, realizes the efficient radiating effect.

In this embodiment, power source pole pieces 6 are symmetrically arranged at the top of the power source body 3, and an inner shell 5 is arranged on the inner side of the outer shell 1; the power supply body 3 is arranged on the inner side of the inner shell 5, and the upper wall of the inner shell 5 is symmetrically embedded with honeycomb sockets 7; one end of the honeycomb socket 7 extends out of the top of the shell 1, and the lower end of the honeycomb socket 7 is provided with a conductive copper column 9; the lower end of the conductive copper column 9 extends into the cavity 2 to be electrically connected with the power pole piece 6, and the honeycomb socket 7 is provided with a jack 8; jack 8 is used for electrically conductive copper post 9 to be connected with external power cord, and honeycomb socket 7 makes in the air can get into cavity 2, can form the convection current in cavity 2 when fan 13 during operation, effectively improves this power module's radiating efficiency, and jack 8 is convenient for electrically conductive copper post 9 and is connected with external power cord, simple structure, convenient operation.

In some embodiments of the present invention, the heat insulating filler 4 is filled between the outer shell 1 and the inner shell 5; the heat-insulating filler 4 is glass fiber or asbestos; effectively isolated heat transfer avoids scalding one's hand to shell 1 through adiabatic filler 4, can guarantee simultaneously that the heat is along a direction transmission, and the radiating effect is better.

In a specific example of the present invention, the bottom of the housing 1 is provided with an air outlet 16; the air outlet 16 is arranged below the fan 13; a limiting seat 12 is fixed on the connecting plate 10, so that the power supply body 3 is conveniently installed and connected with the air deflector 11; the middle part of the air deflector 11 is of an upwards-convex arc-shaped structure, and two ends of the air deflector 11 are horizontally arranged; when the fan 13 works, heat in the cavity 2 can be transferred to the outer side of the shell 1 along the air outlet 16, and under the guiding action of the air guide plate 11 with the arc-shaped structure, the heat is transferred to the two sides of the shell 1 along the air guide plate 11, so that the heat can not be re-returned into the cavity 2 through the honeycomb socket 7, and the heat dissipation effect is further improved.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a high-efficient heat dissipation power module which characterized in that: comprises that

2. The efficient heat dissipation power module as recited in claim 1, wherein power pole pieces are symmetrically disposed on the top of the power body.

3. The efficient heat dissipation power supply module of claim 2, wherein an inner shell is disposed inside the outer shell; the power body is arranged on the inner side of the inner shell.

4. The efficient heat dissipation power supply module as recited in claim 3, wherein the honeycomb sockets are symmetrically embedded in the upper wall of the inner housing; one end of the honeycomb socket extends out of the top of the shell.

5. The efficient heat dissipation power supply module of claim 4, wherein the lower end of the honeycomb socket is provided with a conductive copper column; the lower end of the conductive copper column extends into the cavity to be electrically connected with the power pole piece.

6. The efficient heat dissipation power module as recited in claim 5, wherein the cellular socket is provided with a jack; the jack is used for connecting the conductive copper column with an external power line.

7. The high efficiency heat dissipating power supply module according to claim 1, wherein a heat insulating filler is filled between the outer case and the inner case; the heat-insulating filler is glass fiber or asbestos.

8. The efficient heat dissipation power supply module of claim 7, wherein an air outlet is formed through the bottom of the housing; the air outlet is arranged below the fan.

9. The efficient heat dissipation power supply module of claim 1, wherein a limiting seat is fixed on the connecting plate.

10. The efficient heat dissipation power supply module according to claim 1, wherein the middle of the air deflector is of an upward-convex arc-shaped structure, and two ends of the air deflector are horizontally arranged.