CN216162607U

CN216162607U - High-frequency switching power supply for high corrosion resistance

Info

Publication number: CN216162607U
Application number: CN202122295967.5U
Authority: CN
Inventors: 李振雷; 牟立萍; 王�琦; 聂正
Original assignee: Harbin Jiuzhou Electric Technology Co ltd
Current assignee: Harbin Jiuzhou Electric Technology Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-04-01
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a high-frequency switching power supply with high corrosion resistance, which comprises a shell, wherein circular grooves are formed in the surfaces of the left side and the right side of the shell, a ventilation pipe is fixedly connected to the inner wall of each circular groove, a heat dissipation assembly is detachably mounted on the side surface of the shell, an inserting plate is integrally formed at the bottom of the shell, and fixing holes are formed in the surface of the shell. In the scheme, the buckling piece is additionally arranged on the circuit board, so that the fixed column can be driven to leave or enter the fixed hole only by pressing the pressing ring, the shell of the circuit board box can be freely separated, a method of screw connection is abandoned, the fixing effect is ensured, and meanwhile, the dismounting time is saved, so that the replacement and maintenance time of the whole device is further saved; set up radiator unit and can increase the inside air flow rate of ventilation pipe for the inside heat that produces by electronic component of casing can be along with the air of high flow rate leaves fast, prevents to pile up inside the casing, causes the component to damage, has improved the radiating efficiency, has reached the effect of protection component.

Description

High-frequency switching power supply for high corrosion resistance

Technical Field

The utility model relates to the technical field of high-frequency switching power supplies, in particular to a high-frequency switching power supply with high corrosion resistance.

Background

The switching power supply is a high-frequency power conversion device, and is a kind of power supply, and its function is to convert a level voltage into a voltage or current required by the user terminal through different types of architectures, the input of the switching power supply is mostly an ac power supply or a dc power supply, and the output is mostly equipment requiring a dc power supply, such as a personal computer, and the switching power supply performs the conversion of the voltage and the current between the two.

However, in practical use, there still exist some disadvantages, such as: switching power supply can install a lot of electronic component on its inside circuit board, accomplish each item instruction through these electronic component, electronic component can produce a large amount of heats at the during operation, current partial component radiating efficiency is not high, lead to electronic component overheated production damage, in addition in order to reach good anticorrosive effect, can add in the switch outside and establish a shell and come isolated air usually, but the multi-purpose screw of shell is twisted and is moved, if the electronic component needs to be changed when the condition of maintenance, then need dismantle the casing, the dismantlement process is troublesome, consume the plenty of time.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, embodiments of the present invention provide a high-frequency switching power supply with high corrosion resistance, so as to solve the problems of difficulty in cleaning a plate surface and difficulty in material removal in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: a high-frequency switching power supply with high corrosion resistance comprises a shell, wherein circular grooves are formed in the surfaces of the left side and the right side of the shell, a ventilation pipe is fixedly connected to the inner wall of each circular groove, a heat dissipation assembly is detachably mounted on the side surface of the shell, an inserting plate is integrally formed at the bottom of the shell, fixing holes are formed in the surface of the shell, buckling pieces are movably connected to the surfaces of the fixing holes, a circuit board is movably connected to the surfaces of the buckling pieces, and a circuit connection module is fixedly connected to the side surface of the circuit board;

the top of the circuit board is provided with a groove, and the bottom of the circuit board is provided with a ring groove.

Wherein, the recess and picture peg looks adaptation.

The heat dissipation assembly comprises a mounting box, heat dissipation holes are formed in the side face of the mounting box, clamping columns are fixedly connected to the surface of the mounting box, a motor frame is integrally formed on the inner wall of the mounting box, a motor is detachably mounted on the inner wall of the motor frame, a fan is detachably mounted at one end of the motor, and the size of the fan is matched with that of the ventilation pipe.

The buckle includes the connecting rod, the one end fixed mounting of connecting rod has the fixed column, the side fixedly connected with fillet piece of connecting rod bottom, the rotary column has been cup jointed in the inside activity of fillet piece, the equal fixedly connected with in both ends of rotary column presses the clamping ring, press the top fixedly connected with spring of clamping ring, the top fixed connection of spring is at the inner wall of annular, just press clamping ring and annular looks adaptation, the fixed column activity is cup jointed on the surface of fixed orifices.

The number of the buckling pieces is four, and the four buckling pieces are distributed on the left side and the right side of the circuit board in pairs respectively.

The technical scheme of the utility model has the following beneficial effects:

in the scheme, the buckling piece is additionally arranged on the circuit board, so that the fixed column can be driven to leave or enter the fixed hole only by pressing the pressing ring, the shell of the circuit board box can be freely separated, a method of screw connection is abandoned, the fixing effect is ensured, and meanwhile, the dismounting time is saved, so that the replacement and maintenance time of the whole device is further saved; set up radiator unit and can increase the inside air flow rate of ventilation pipe for the inside heat that produces by electronic component of casing can be along with the air of high flow rate leaves fast, prevents to pile up inside the casing, causes the component to damage, has improved the radiating efficiency, has reached the effect of protection component.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic perspective assembly of the integrated device of the present invention;

FIG. 3 is a schematic cross-sectional view of a circuit board according to the present invention;

FIG. 4 is a schematic structural diagram of a heat dissipation assembly of the present invention;

FIG. 5 is a schematic view of a fastener of the present invention.

[ reference numerals ]

1. A housing; 2. a circular groove; 3. a vent pipe; 4. a heat dissipating component; 5. inserting plates; 6. a fixing hole; 7. a fastener; 8. a circuit board; 9. a circuit connection module; 41. mounting a box; 42. heat dissipation holes; 43. clamping the column; 44. a motor frame; 45. a motor; 46. a fan; 71. a connecting rod; 72. fixing a column; 73. a fillet block; 74. turning the column; 75. pressing a ring; 76. a spring; 81. a groove; 82. and a ring groove.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

The embodiment of the utility model provides a high-frequency switching power supply with high corrosion resistance as shown in fig. 1 to 5, which comprises a shell 1, wherein circular grooves 2 are formed in the surfaces of the left side and the right side of the shell 1, a heat dissipation assembly 4 is formed, an inserting plate 5 is integrally formed at the bottom of the shell 1, a ventilating pipe 3 is fixedly connected to the inner wall of each circular groove 2 of the shell, a fixing hole 6 is formed in the surface of the shell 1, which is detachably mounted on the side surface of the shell 1, a buckling piece 7 is movably connected to the surface of the fixing hole 6, a circuit board 8 is movably connected to the surface of the buckling piece 7, and a circuit connection module 9 is fixedly connected to the side surface of the circuit board 8;

the top of the circuit board 8 is provided with a groove 81, and the bottom of the circuit board 8 is provided with a ring groove 82.

As shown in fig. 2 to 3, the recess 81 is adapted to the insert board 5, the number of the fastening members 7 is four, and four fastening members 7 are respectively distributed on the left side and the right side of the circuit board 8 in pairs.

Specifically, utilize picture peg 5 to inject recess 81 and can make shell 1 inside and outside obtain further isolation to block in the air inflow shell 1, cause electrical components's oxidation and corruption, reached protection electronic components's effect, utilize four fasteners 7 to distribute the relative stability of assurance shell 1 and circuit board 8 that can be further in the left and right sides of circuit board 8, prevent both and break away from each other, reached reinforced effect.

As shown in fig. 4, the heat dissipation assembly 4 includes a mounting box 41, a heat dissipation hole 42 is formed in a side surface of the mounting box 41, a fastening column 43 is fixedly connected to a surface of the mounting box 41, a motor frame 44 is integrally formed on an inner wall of the mounting box 41, a motor 45 is detachably mounted on the inner wall of the motor frame 44, a fan 46 is detachably mounted at one end of the motor 45, and the size of the fan 46 is matched with the size of the ventilation pipe 3.

Specifically, with motor 45 circular telegram, drive fan 46 and rotate, make the inside air flow rate of ventilation pipe 3 accelerate, the heat that the inside electronic component work of shell 1 produced can rise gradually to the inside top of shell 1 because of expend with heat and contract with cold's principle, encircle around ventilation pipe 3, the inside air flow rate of ventilation pipe 3 this moment accelerates, the speed that leads to its inside heat transportation accelerates, so the inside heat loss speed of shell 1 accelerates, thereby reached the effect that improves the radiating efficiency.

As shown in fig. 5, fastening 7 includes connecting rod 71, the one end fixed mounting of connecting rod 71 has fixed column 72, the side fixedly connected with fillet block 73 of connecting rod 71 bottom, the inside activity of fillet block 73 has cup jointed the rotary column 74, the equal fixedly connected with according to clamping ring 75 in both ends of rotary column 74, the top fixedly connected with spring 76 of according to clamping ring 75, the top fixed connection of spring 76 is at the inner wall of annular 82, just according to clamping ring 75 and annular 82 looks adaptation, fixed column 72 activity cup joints the surface at fixed orifices 6.

Specifically, press the snap ring 75 and make it get into annular 82, drive the fixed column 72 through connecting rod 71 and break away from fixed orifices 6 this moment, rethread fillet piece 73 swivelling joint pole 71 drives fixed column 72, lets its whole skew in position, loosens snap ring 75, can freely dismantle circuit board 8 and shell 1, and easy operation has practiced thrift the plenty of time, has consequently reached the effect that improves dismouting efficiency.

Wherein the motor 45 is TELESKY brand and R300C model.

The working process of the utility model is as follows: when the switching power supply normally operates, the motor 45 is electrified to drive the fan 46 to rotate, so that the air flow rate in the ventilation pipe 3 is accelerated, the heat transfer rate is accelerated by improving the air flow rate, so that the electronic element in the shell 1 cannot be damaged due to overheating, if the switching power supply works abnormally and the internal electronic element needs to be replaced and maintained, the pressing ring 75 is pressed to enable the pressing ring 75 to enter the annular groove 82, the fixing column 72 is driven by the connecting rod 71 to be separated from the fixing hole 6, the connecting rod 71 is rotated by the fillet block 73 to drive the fixing column 72, the position of the fixing column is wholly deviated, the pressing ring 75 is loosened, the circuit board 8 and the shell 1 can be freely disassembled, then the electronic element on the surface of the circuit board 8 is maintained or replaced, after that the fixing hole 6 on the surface of the shell 1 is aligned with the fixing hole 6 on the surface of the circuit board 8, and then the pressing ring 75 is pressed to enable the fixing column 72 to be aligned with the fixing hole 6, the mounting of the housing 1 and the circuit board 8 can be completed by releasing the hand.

According to the scheme, the air flow rate in the ventilation pipe 3 is increased through the heat dissipation assembly 4, so that the transportation speed of heat in the ventilation pipe is increased, the heat loss speed in the shell 1 is further increased, and the effect of improving the heat dissipation efficiency is achieved; the buckling piece 7 enables the shell 1 and the circuit board 8 to be more easily disassembled and assembled, and the effect of saving time is achieved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The high-frequency switching power supply for the high corrosion resistance comprises a shell (1) and is characterized in that circular grooves (2) are formed in the surfaces of the left side and the right side of the shell (1), a ventilation pipe (3) is fixedly connected to the inner wall of each circular groove (2), a heat dissipation assembly (4) is detachably mounted on the side surface of the shell (1), a plug board (5) is integrally formed at the bottom of the shell (1), fixing holes (6) are formed in the surface of the shell (1), buckling pieces (7) are movably connected to the surfaces of the fixing holes (6), a circuit board (8) is movably connected to the surfaces of the buckling pieces (7), and a circuit connection module (9) is fixedly connected to the side surface of the circuit board (8);

the top of the circuit board (8) is provided with a groove (81), and the bottom of the circuit board (8) is provided with a ring groove (82).

2. The high-frequency switching power supply with high corrosion resistance according to claim 1, wherein the recess (81) is adapted to the insert plate (5).

3. The high-frequency switching power supply with high corrosion resistance according to claim 1, wherein the heat dissipation assembly (4) comprises a mounting box (41), heat dissipation holes (42) are formed in the side surface of the mounting box (41), a clamping column (43) is fixedly connected to the surface of the mounting box (41), a motor frame (44) is integrally formed on the inner wall of the mounting box (41), a motor (45) is detachably mounted on the inner wall of the motor frame (44), a fan (46) is detachably mounted at one end of the motor (45), and the size of the fan (46) is matched with the size of the ventilation pipe (3).

4. The high-frequency switching power supply with high corrosion resistance according to claim 1, wherein the fastener (7) comprises a connecting rod (71), one end of the connecting rod (71) is fixedly provided with a fixing column (72), the side surface of the bottom end of the connecting rod (71) is fixedly connected with a round corner block (73), a rotating column (74) is movably sleeved in the round corner block (73), two ends of the rotating column (74) are fixedly connected with pressing rings (75), the top of each pressing ring (75) is fixedly connected with a spring (76), the top of each spring (76) is fixedly connected to the inner wall of the annular groove (82), the pressing rings (75) and the annular grooves (82) are matched, and the fixing column (72) is movably sleeved on the surface of the fixing hole (6).

5. The high-frequency switching power supply with high corrosion resistance as claimed in claim 1, wherein the number of said fasteners (7) is four, and four of said fasteners (7) are respectively distributed on the left and right sides of the circuit board (8) in pairs.