CN207053373U - A kind of power protection shell for being easy to radiating - Google Patents

Abstract

The utility model discloses a kind of power protection shell for being easy to radiating; including installing plate, it is fixed on heat abstractor of the installing plate provided with power transfer module and is fixed with installing plate and cover the housing of power transfer module, heat abstractor includes the heat dissipation wind channel formed between the fin of at least two panels and installing plate fixation, fin and towards the blower fan dried in heat dissipation wind channel.Fin directly contacts with installing plate, more can sufficiently carry out the conduction of heat, while by blowing air over heat dissipation wind channel, more quickly can take away the heat on fin, and the cooling to element is more fully and quick.

Description

A power supply protection case for heat dissipation

technical field

The utility model relates to a power supply protection case, in particular to a DC power supply protection case which is convenient for heat dissipation.

Background technique

The DC power supply is a device that maintains a constant current in the circuit, and has two electrodes; when the two electrodes are connected to the circuit, the DC power supply converts other forms of energy into electrical energy to supply the circuit to maintain a steady flow of current .

The existing Chinese utility model patent whose notification number is CN203617903U can be referred to. This patent discloses a portable DC power supply, which includes a casing and a power lead. Two installation holes are opened on the bottom surface of the PVC trunking. The battery box is connected to the shell through the installation hole on the bottom of the PVC tank. There are also two banana sockets on the shell. The banana socket is connected to the shell bolts; The input end is welded, and the lead wires at the output end of the DC-DC step-up circuit board are respectively connected to the first banana socket and the second banana socket. The scheme is simple in structure and does not require an AC rectification and step-down circuit.

However, during the working process, the power conversion module will generate heat, which will increase the temperature inside the power supply casing, affect the electrical components inside the power supply, and even burn the electrical components.

Utility model content

The purpose of the utility model is to provide a power supply protection case which is convenient for heat dissipation, and its advantage is that the temperature of the case can be lowered.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: a power supply protection case that is convenient for heat dissipation, including a mounting plate, a heat dissipation device fixed on the mounting plate with a power conversion module, and a heat sink that is fixed to the mounting plate and covers the power conversion The housing of the module and the heat dissipation device include at least two heat dissipation fins fixed to the mounting plate, a heat dissipation air duct formed between the heat dissipation fins, and a fan blowing into the heat dissipation air duct.

Through the above technical solution, the heat sink is in direct contact with the mounting plate, which can conduct heat conduction more fully, and at the same time, the heat on the heat sink can be taken away relatively quickly by the wind blowing through the heat dissipation air duct, and the cooling of the components is more sufficient and fast.

Preferably, the fan includes a fan wheel located outside the heat sink, a motor driving the fan wheel to rotate, and a fan housing covering the motor and the fan wheel.

Through the above technical solution, the fan blade runner is not easily damaged, and at the same time, the fan blade runner is easily isolated during installation.

Preferably, the radiating fins are multi-piece and arranged in parallel to form a radiating fin group, the radiating fin group is provided with a radiating plate, and a through hole is opened on the radiating plate; a power supply motor is formed in the middle of the radiating fin group cavity.

Through the above technical scheme, the cavity formed in the middle of the heat sink group can place the drive motor, reducing the space occupied by the drive motor; The connection of the board is tighter.

Preferably, a protective net is provided on the fan housing, and the protective net is bolted to the through hole of the fan housing.

Through the above technical solution, the protective net is provided on the through hole, on the one hand, for the sake of safety, to avoid injury accidents of the fan blade runner during work; on the other hand, to reduce the dust entering the fan.

Preferably, a first cooling hole is opened on the mounting plate.

Through the above technical solution, the heat sink is provided with the first heat dissipation hole, and the wind blown in by the fan can enter the interior of the housing through the first heat dissipation hole, so as to dissipate the heat inside the housing and further improve the cooling effect.

Preferably, a second cooling hole is opened on the side wall of the housing.

Through the above technical solution, a second cooling hole is opened on the side wall of the casing, which is beneficial to the flow of the internal air when blowing.

Preferably, bosses are fixedly connected to both sides of the mounting plate, grooves are arranged on the bosses, and wiring terminals are arranged in the grooves.

Through the above technical solution, connecting terminals are arranged in the bosses at both ends of the mounting plate, one end is an input end, and the other end is an output end, and the DC power is connected to the circuit through the input end and the output end.

Preferably, the connecting terminal includes a first metal plate, a second metal plate and bolts connecting the first metal plate and the second metal plate, and the first metal plate is fixedly connected in the groove.

Through the above technical solution, the two metal plates are connected by bolts, and the wires can be clamped between the two metal plates when wiring is installed.

In summary, the utility model has the following beneficial effects: the direct contact between the heat sink and the mounting plate can conduct heat conduction more fully, and at the same time, the heat on the heat sink can be taken away relatively quickly by the wind blowing through the heat dissipation air duct , the cooling of the components is relatively sufficient and fast; a connected air duct is formed through the fan, the first cooling hole and the second cooling hole, which accelerates the air circulation inside the casing and improves the cooling effect of the device.

Description of drawings

Fig. 1 is a schematic diagram embodying the front of the housing;

Fig. 2 is a schematic diagram embodying the back of the housing;

Fig. 3 is an exploded schematic view embodying the heat dissipation device on the back of the casing.

In the figure: 1, the shell; 11, the second cooling hole; 2, the mounting plate; 21, the boss; 211, the groove; 212, the connection terminal; 213, the first metal plate; 214, the bolt; 215, the second Metal plate; 22, first heat dissipation hole; 3, power conversion module; 4, heat dissipation device; 41, heat sink; 411, cavity; 42, motor; 43, fan; 431, fan blade runner; 44, fan Shell; 441, protective net; 45, cooling plate.

detailed description

Below in conjunction with accompanying drawing, the utility model is described in further detail. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom" and "top "Face", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

A power supply protection case that is convenient for heat dissipation, as shown in Figure 1, is illustrated by taking a DC power supply as an example. It includes a case 1, which is a cuboid and has a hollow structure inside. Two cooling holes 11.

The lower side of the housing 1 is provided with a mounting plate 2, and the mounting plate 2 is provided with a power conversion module 3, the power conversion module 3 is fixedly connected to the mounting plate 2, and the housing 1 covers the power conversion module 3 inside; A boss 21 is fixedly connected to the board 2 , and a groove 211 is formed on the boss 21 . The side of the groove 211 away from the power conversion module 3 is an opening.

The groove 211 is provided with a connection terminal 212, the connection terminal 212 includes a first metal plate 213 fixedly connected to the bottom of the groove 211, a threaded hole is opened in the middle of the first metal plate 213, and a bolt 214 is connected in the threaded hole, and the bolt 214 A second metal plate 215 is sleeved thereon, and the second metal plate 215 abuts against the first metal plate 213 under the action of the bolt 214 .

2 and 3, the mounting plate 2 is provided with a heat sink 4 on the other side of the power conversion module. The heat sink 4 includes a heat sink 41 arranged on the mounting plate 2. Set in parallel to form a heat sink group, the heat sink group is provided with a heat sink 45, the heat sink group is fixedly connected with the heat sink 45; the heat sink 45 is provided with a through hole; a heat dissipation channel is formed between the heat sinks 41; the heat sink 45 is fixed Connected to the mounting plate 2; the mounting plate 2 is provided with first cooling holes 22, and the first cooling holes 22 are evenly distributed on the mounting plate 2.

A fan 43 is arranged on the cooling plate 45, and the fan 43 includes a motor 42; a cavity 411 is provided in the middle of the cooling fin 41, and a motor 42 is fixedly connected in the cavity 411, and the output shaft of the motor 42 is connected with a fan blade runner 431; 41 is provided with a fan housing 44 , the fan housing 44 is fixedly connected to the heat sink 41 , and the fan blade runner 431 is located in the fan housing 44 .

The fan casing 44 is provided with a through hole, and the through hole is provided with a protective net 441 , and the protective net 441 is bolted to the fan casing 44 .

Working process: When the DC power supply is working, the internal power conversion module 3 converts AC power into DC power and outputs it. During the process of converting AC power into DC power, energy conversion occurs to increase the temperature in the housing 1 .

The motor 41 drives the fan blade runner 431 to rotate, and the external air is sucked into the fan housing 44. Part of the air in the fan housing 44 diffuses into the air from the heat dissipation channel; the other part passes through the first heat dissipation hole and the second heat dissipation hole. Then diffuse into the air.

The heat sink 41 is in direct contact with the mounting plate 2, which can fully conduct heat conduction. At the same time, the heat on the heat sink 41 can be taken away relatively quickly by the wind blowing through the heat dissipation air duct, and the cooling of the components is relatively sufficient and fast. ; A connected air passage is formed by the blade runner 431, the first cooling hole 22 and the second cooling hole 11, which accelerates the air circulation inside the housing 1 and improves the cooling effect of the device.

This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. After reading this description, those skilled in the art can make modifications to the embodiment without creative contribution according to needs, but as long as it is within the utility model All new claims are protected by patent law.

Claims (8)

1. a kind of power protection shell for being easy to radiating, including installing plate（2）, be fixed on installing plate（2）Provided with power transfer module （3）Heat abstractor（4）And and installing plate（2）Fixed and covering power transfer module（3）Housing（1）, it is characterized in that：Dissipate Thermal（4）Including at least two panels and installing plate（2）Fixed fin（41）, fin（41）Between the heat dissipation wind channel that is formed And towards the blower fan dried in heat dissipation wind channel（43）.

2. a kind of power protection shell for being easy to radiating as claimed in claim 1, it is characterized in that：The blower fan（43）Including positioned at Fin（41）The flabellum runner in outside（431）, driving flabellum runner（431）The motor of rotation（42）And covering motor（42） With flabellum runner（431）Blower Housing（44）.

3. a kind of power protection shell for being easy to radiating as claimed in claim 2, it is characterized in that：The fin（41）For multi-disc And be arranged in parallel and to form groups of fins, it is provided with heat sink in the groups of fins（45）, the heat sink（45）On offer Through hole；At the middle part of groups of fins formed with power supply machine（42）The cavity volume of placement（411）.

4. a kind of power protection shell for being easy to radiating as claimed in claim 2, it is characterized in that：The Blower Housing（44）On set It is equipped with protection network（441）, the protection network（441）It is bolted to Blower Housing（44）Through hole on.

5. a kind of power protection shell for being easy to radiating as claimed in claim 1, it is characterized in that：The installing plate（2）On open up There is the first heat emission hole（22）.

6. a kind of power protection shell for being easy to radiating as claimed in claim 1, it is characterized in that：The housing（1）Side wall on Offer the second heat emission hole（11）.

7. a kind of power protection shell for being easy to radiating as claimed in claim 1, it is characterized in that：The installing plate（2）Both sides It is fixedly connected with boss（21）, the boss（21）Upper setting is fluted（211）, the groove（211）Inside it is provided with terminals Son（212）.

8. a kind of power protection shell for being easy to radiating as claimed in claim 7, it is characterized in that：The binding post（212）Bag Include the first metallic plate（213）, the second metallic plate（215）With connect the first metallic plate（213）With the second metallic plate（215）Bolt （214）, first metallic plate（213）It is fixedly connected on groove（211）It is interior.