CN209217938U - High-efficiency cooling box for switching power supply - Google Patents

Abstract

The utility model discloses a high-efficiency cooling box for a switching power supply, which belongs to the technical field of switching power supplies and includes a cooling box and a power supply assembly. The top of the cooling box is provided with a top cover, and the sides of the cooling box are provided with side covers. The bottom of the heat dissipation box is provided with a bottom cover, and a power supply assembly is installed inside the heat dissipation box. A first cooling port is provided on the outer wall of one end of the power supply assembly, and connectors are provided at both ends of the bottom cover. The connectors are respectively connected to one end of the circulating water pipe, and the other end of the circulating water pipe is connected to a cooling mechanism, the cooling mechanism is installed on one side of the heat dissipation tank, and the cooling mechanism includes two circulating pumps and a water tank. By setting the bottom cover plate at the bottom of the heat sink as a hollow structure, and installing a cooling pipe inside, the cooling pipe can pass through the circulating cold water drawn by the circulating pump, and the cold water passes through the bottom cover plate to reduce the temperature at the bottom of the power supply assembly and reach the power supply. The effect of rapid heat dissipation of components.

Description

High-efficiency cooling box for switching power supply

technical field

The utility model relates to the technical field of switching power supplies, in particular to a high-efficiency cooling box for switching power supplies.

Background technique

Switching power supply is a kind of power supply that uses modern power electronic technology to control the time ratio of switching on and off to maintain a stable output voltage. Switching power supply is generally composed of pulse width modulation (PWM) control IC and MOSFET. With the development and innovation of power electronics technology, switching power supply technology is constantly innovating. At present, switching power supply is widely used in almost all electronic devices due to its small size, light weight and high efficiency. It is an indispensable power supply mode for the rapid development of today's electronic information industry. The heat, and the inside of the switching power supply is generally equipped with a cooling fan, and the shell of the switching power supply is generally provided with a cooling port to facilitate the heat dissipation of the switching power supply.

Although the traditional switching power supply case has cooling vents, in high temperature weather, the cooling vents are single and cannot form air circulation. Therefore, the efficiency of dissipating hot air inside the power supply components is low, and it is easy to enter with more cooling vents. Dust, and the traditional heat dissipation method is generally air-cooled, even if there is water-cooled heat dissipation, the cooling pipes are generally installed inside the power supply components, which poses safety hazards and is inconvenient to maintain.

Utility model content

The purpose of this utility model is to provide a high-efficiency heat dissipation for switching power supply in order to solve the problems that the cooling box for switching power supply cannot be dust-proof and quickly dissipate heat at the same time, and the water-cooling heat dissipation structure is installed inside the power supply assembly, which has potential safety hazards and is not easy to maintain. The box has the advantages of high heat dissipation efficiency, good dustproof effect and easy maintenance.

The utility model achieves the above object through the following technical solutions. A high-efficiency cooling box for a switching power supply includes a cooling box and a power supply assembly. The top of the cooling box is provided with a top cover, and the sides of the cooling box are provided with side covers. , the bottom of the heat dissipation box is provided with a bottom cover, the inside of the heat dissipation box is equipped with a power supply assembly, the outer wall of one end of the power supply assembly is provided with a first heat dissipation port, and both ends of the bottom cover are provided with connectors, so The connectors are respectively connected to one end of the circulating water pipe, and the other end of the circulating water pipe is connected to a cooling mechanism, the cooling mechanism is installed on one side of the heat dissipation tank, and the cooling mechanism includes two circulating pumps and a water tank. The water tank, the circulating water pipe and the circulating pump communicate with each other, a cooling pipe is installed inside the bottom cover plate, and both ends of the cooling pipe communicate with the connecting head respectively.

Preferably, the cooling pipe is composed of several U-shaped pipes arranged side by side, and the cooling pipe is installed inside the bottom cover plate through fixing strips.

Preferably, the top cover plate is a double-layer structure composed of a partition and an overturning plate, and several second heat dissipation ports are provided on the surface of the partition.

Preferably, one end of the turnover plate is rotatably connected to the top of the heat sink through a rotating rod, and one end of the rotating rod is installed on the motor shaft of the stepping motor.

Preferably, the power supply assembly is movably installed inside the cooling box, and one end of the power supply assembly is fixed to one end of the side cover by several screws.

Preferably, the outer wall of the water tank inside the cooling mechanism is exposed to the air, and a water inlet and outlet and a sealing cover are installed on one side of the water tank.

Compared with the prior art, the beneficial effect of the utility model is: by setting the bottom cover plate at the bottom of the cooling tank as an internal hollow structure, a cooling pipe is installed inside, and the cooling pipe can circulate cold water drawn by a circulating pump, and the cold water flows from the bottom The inside of the cover plate passes through to reduce the temperature at the bottom of the power supply assembly, achieving the effect of rapid heat dissipation of the power supply assembly, and the cooling mechanism for installing the water tank and the circulation pump is installed on the side wall of the heat dissipation box, which is convenient for maintenance of the cooling mechanism. The top cover plate is set as a double-layer structure consisting of a partition and a turning plate. The turning plate is turned up and down driven by a stepping motor. The air circulation can be achieved through the opening, which can accelerate the removal of high temperature inside the power supply components, and realize the rapid heat dissipation of air cooling. When there is no need to accelerate heat dissipation, the flip plate will cover the partition to prevent dust from entering the inside of the power supply components.

Description of drawings

Fig. 1 is the overall structural system diagram of the present utility model.

Fig. 2 is a structural schematic diagram of the heat dissipation box of the present invention.

Fig. 3 is a structural schematic diagram of the cooling mechanism of the present invention.

Fig. 4 is a schematic diagram of the installation structure of the cooling pipe of the present invention.

In the figure: 1. Cooling box, 2. Top cover, 3. Side cover, 4. Bottom cover, 5. Power supply assembly, 6. First heat dissipation port, 7. Circulating water pipe, 8. Stepping motor, 9 , Flip plate, 10, Partition plate, 11, Second cooling outlet, 12, Cooling mechanism, 13, Circulation pump, 14, Water tank, 15, Cooling pipe, 16, U-shaped pipe, 17, Fixing bar, 18, Connecting head .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1-4, a high-efficiency cooling box for a switching power supply, including a cooling box 1 and a power supply assembly 5, a top cover 2 is provided on the top of the cooling box 1, side covers 3 are provided on both sides of the cooling box 1, The bottom of the cooling box 1 is provided with a bottom cover plate 4, the inside of the cooling box 1 is equipped with a power supply assembly 5, and the outer wall of one end of the power supply assembly 5 is provided with a first heat dissipation port 6, and the two ends of the bottom cover plate 4 are provided with connectors 18. 18 are respectively connected to one end of the circulating water pipe 7, and the other end of the circulating water pipe 7 is connected to the cooling mechanism 12, the cooling mechanism 12 is installed on one side of the cooling box 1, the cooling mechanism 12 includes two circulating pumps 13 and a water tank 14, the water tank 14, The circulating water pipe 7 and the circulating pump 13 communicate with each other, and the inside of the bottom cover plate 4 is equipped with a cooling pipe 15, and the two ends of the cooling pipe 15 are connected with the connector 18 respectively. When the cooling mechanism 12 performs water cooling, the two circulating pumps 13 Working at the same time, one of the circulating pumps 13 pumps the cold water inside the water tank 14 into a circulating water pipe 7, and the cold water enters the cooling pipe 15 along the circulating water pipe 7 to cool the bottom of the power supply assembly 5. Due to the cooling of the cooling pipe 15 The other end is connected with another circulating water pipe 7, and another circulating pump 13 pumps the water in the circulating water pipe 7 back into the water tank 14 to form a water circulation.

The cooling pipe 15 is composed of several U-shaped pipes 16 arranged side by side, and the cooling pipe 15 is installed inside the bottom cover plate 4 through the fixing strip 17. The U-shaped pipe 16 can make the cooling pipe 15 cover the bottom cover plate 4 and improve the power supply assembly 5. The cooling effect at the bottom, the top cover plate 2 is a double-layer structure composed of a partition 10 and an overturning plate 9, and several second cooling ports 11 are arranged on the surface of the partition 10, and the second cooling ports 11 on the partition 10 are connected with the first Air circulation can be formed between the heat dissipation ports 6 to accelerate the heat dissipation of the power supply assembly 5. One end of the flip plate 9 is connected to the top of the heat dissipation box 1 through a rotating rod, and one end of the rotating rod is installed on the motor shaft of the stepping motor 8. The stepping motor 8 drives the rotating rod to rotate, so that the turning plate 9 is flipped open, and the second heat dissipation port 11 on the partition 10 leaks out after opening, and the heat dissipation box 1 performs efficient heat dissipation. After the heat dissipation is completed, the motor shaft of the stepping motor 8 rotates again. The flip plate 9 covers the partition 10 again to prevent dust from entering the inside of the cooling box 1 along the second cooling opening 11. The power supply assembly 5 and the inside of the cooling box 1 are movably installed, and one end of the power supply assembly 5 is fixed on the side by several screws. One end of the cover plate 3, the power supply assembly 5 is convenient to take out from the cooling box 1, and is convenient for maintenance. The outer wall of the water tank 14 inside the cooling mechanism 12 is exposed in the air, and a water inlet and outlet and a sealing cover are installed on one side of the water tank 14. The water tank 14 is made of The external environment is naturally cooled to save energy consumption. The water inlet and outlet are used to change water, and the sealing cover prevents the water in the water tank 14 from spilling out.

When the utility model is in use, the heat dissipation box 1 is used to place the power supply assembly 5, and the power supply assembly 5 dissipates heat through the first heat dissipation port 6 during normal operation. When the weather is hot, the circulation pump 13 (model: 20SG2-8) is turned on. Pump water into the cooling pipe 15, and the cold water passes through the bottom of the power supply assembly 5 to cool down the power supply assembly 5. When the workload of the power supply assembly 5 increases, the stepping motor 8 (model: MA08XXN) drives the turning plate 9 to tilt upward, and leaks out The plate 10, the second heat dissipation port 11 and the first heat dissipation port 6 form an air circulation, quickly take away the heat inside the heat dissipation box 1, so that the temperature of the power supply assembly 5 is lowered, and the stepping motor 8 drives the flip plate 9 to return to the original state after the temperature is reduced , to prevent dust from entering the inside of the power supply assembly 5 along the second cooling opening 11 .

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. a kind of Switching Power Supply high efficiency and heat radiation case, it is characterised in that: including heat dissipation tank (1) and power supply module (5), the heat dissipation Lamina tecti (2) are arranged in the top of case (1), and side cover plate (3) are arranged in the two sides of the heat dissipation tank (1), the bottom of the heat dissipation tank (1) It is arranged bottom plate (4), power supply module (5) are installed in the inside of the heat dissipation tank (1), on one end outer wall of the power supply module (5) It is arranged the first thermovent (6), the both ends of the bottom plate (4) are respectively provided with connector (18), and the connector (18) is separately connected One end of circulating water pipe (7), and the other end of the circulating water pipe (7) connects cooling body (12), the cooling body (12) It is mounted on the side of the heat dissipation tank (1), the cooling body (12) includes two circulating pumps (13) and a water tank (14), institute Water tank (14), circulating water pipe (7) and circulating pump (13) to be stated to be interconnected, cooling tube (15) are installed in the inside of the bottom plate (4), And the both ends of the cooling tube (15) are connected to the connector (18) respectively.

2. a kind of Switching Power Supply high efficiency and heat radiation case according to claim 1, it is characterised in that: the cooling tube (15) by Several U-tubes (16) form side by side, and cooling tube (15) is mounted on the inside of bottom plate (4) by fixed strip (17).

3. a kind of Switching Power Supply high efficiency and heat radiation case according to claim 1, it is characterised in that: the lamina tecti (2) is The double-layer structure of partition (10) and returning face plate (9) composition, several the second thermovents (11) are arranged in the surface of the partition (10).

4. a kind of Switching Power Supply high efficiency and heat radiation case according to claim 3, it is characterised in that: the returning face plate (9) The top of one end and heat dissipation tank (1) is rotatablely connected by rotating bar, and one end of rotating bar is mounted on the motor of stepper motor (8) On axis.

5. a kind of Switching Power Supply high efficiency and heat radiation case according to claim 1, it is characterised in that: the power supply module (5) It is installed with the internal activity of heat dissipation tank (1), and one end of power supply module (5) is fixed on side cover plate (3) by several screws One end.

6. a kind of Switching Power Supply high efficiency and heat radiation case according to claim 1, it is characterised in that: the cooling body (12) The outer wall of internal water tank (14) is exposed in air, and the side installation intake-outlet and sealing cover of water tank (14).