Large-current switching power supply

Abstract

The utility model discloses a heavy-current switching power supply, and particularly relates to the technical field of switching power supplies, the heavy-current switching power supply comprises a base, one end of the base is rotatably connected with a cover plate through a rotating shaft, bosses are symmetrically arranged on two sides of the bottom end in the base, a circuit board is connected between the tops of the two bosses, and a component is arranged on the top of the circuit board; two check blocks are symmetrically fixed to one end of the inner side of the cover plate, and cavity grooves are formed in the check blocks. According to the utility model, the base and the cover plate are arranged to form the power box shell, the cover plate is rotatably mounted on the base, and the stop block, the cavity groove, the spring, the positioning column, the positioning hole and other structures are arranged between the cover plate and the base, so that the cover plate and the base can be quickly locked together, otherwise, fixation can be released by pressing the positioning column, and the cover plate can be quickly rotated and opened from the base; and therefore, internal components can be disassembled, assembled and maintained conveniently, the operation is simple and convenient, and the working efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of switching power supply, concretely relates to a high current switching power supply. BACKGROUND

[0002] Switching mode power supply, also known as switching power supply or switching converter, is a kind of high-frequency power conversion device, and is a kind of power supply. Its function is to convert a voltage of one level into a voltage or current required by the user end through different forms of architecture. The input of the switching power supply is mostly alternating current (such as mains) or direct current, and the output is mostly devices requiring direct current.

[0003] In the Chinese patent with the patent number "CN209105011U", a "high current switching power supply" is disclosed. The patent sets up power supply, transformer and switching device and other structures in the power box, cooperates with the fan, and can improve the heat dissipation effect of the equipment. However, in the actual use process, the shell of the power box is designed in one piece, or is fixed and connected through a large number of bolts, which makes it extremely inconvenient, time-consuming and laborious to disassemble and maintain, and greatly affects the work efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a high current switching power supply, which is composed of a base and a cover plate to form a power box shell. The cover plate is rotatably installed on the base, and structures such as a stop block, a cavity groove, a spring, a positioning column and a positioning hole are arranged between them. The cover plate and the base can be quickly locked together, and vice versa, the fixing can be released by pressing the positioning column, so that the cover plate can be quickly rotated and opened from the base. This facilitates the disassembly and maintenance of internal components, is simple and convenient to operate, and greatly improves the work efficiency, thereby solving the above-mentioned deficiencies in the art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high current switching power supply, comprising:

[0006] The base is rotatably connected with a cover plate at one end through a rotating shaft, and the inside bottom of the base is symmetrically provided with a boss. The top of the two bosses is connected with a circuit board, and the top of the circuit board is provided with components.

[0007] The inside of the cover plate is symmetrically fixed with two stop blocks, the inside of the stop block is provided with a cavity groove, the inside of the cavity groove is fixed with a spring at one end, the end of the spring is connected with a sliding block, the end of the sliding block relative to the spring is fixed with a positioning column, the end of the positioning column extends out of the stop block, and the two sides of the base are symmetrically provided with positioning holes facing the positioning column, and the positioning column can be inserted and matched in the positioning hole.

[0008] Preferably, the components include a power supply body, a switching device and a transformer.

[0009] Preferably, the base and the cover plate are both U-shaped structures, and the sidewalls of the base and the cover plate are both provided with heat dissipation holes.

[0010] Preferably, the bottom side of the base is provided with heat dissipation fins, and the top end of the heat dissipation fins is connected with a heat-conducting silica gel pad, which is attached to the bottom side of the circuit board.

[0011] Preferably, the bottom end of the base is provided with fixing plates on both sides, and the sidewalls of the fixing plates are provided with fixing holes.

[0012] Preferably, the fixing plates are L-shaped, and the heat dissipation fins are located between the two fixing plates.

[0013] In the above technical solution, the technical effects and advantages of the present application are as follows:

[0014] By setting the base and the cover plate to form the power box shell, the cover plate is rotatably installed on the base, and structures such as the stop block, the cavity groove, the spring, the positioning column and the positioning hole are arranged between the base and the cover plate, so that the cover plate and the base can be quickly locked together, and vice versa, the fixing can be released by pressing the positioning column, so that the cover plate can be quickly rotated and opened from the base, thereby facilitating the disassembly and maintenance of the internal components, and the operation is simple and convenient, and the work efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0016] Figure 1 It is one of the overall structure schematic views of the present application;

[0017] Figure 2 It is the second overall structure schematic view of the present application;

[0018] Figure 3 It is a structure schematic view of the connection between the base and the circuit board of the present application;

[0019] Figure 4 It is a structure schematic view of the connection between the base and the heat dissipation fin of the present application;

[0020] Figure 5 It is a longitudinal sectional view of the stop block of the present application.

[0021] Explanation of reference signs:

[0022] 1, base; 2, cover plate; 3, fixed plate; 4, heat dissipation hole; 5, boss; 6, circuit board; 7, power supply body; 8, switch device; 9, transformer; 10, heat-conducting silica gel pad; 11, heat dissipation fin; 12, stop block; 13, cavity groove; 14, spring; 15, sliding block; 16, positioning column; 17, positioning hole. DETAILED DESCRIPTION

[0023] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0024] The utility model provides a kind of high-current switching power supply as Figures 1-5 As shown in the figure, it comprises:

[0025] Base 1, one end of base 1 is rotatably connected with cover plate 2 through pivot, and the inside bottom end of base 1 is symmetrically provided with boss 5 on both sides, the top of the two bosses 5 is connected with circuit board 6, and the top of circuit board 6 is provided with components;

[0026] Components include power supply body 7, switch device 8 and transformer 9.

[0027] Base 1 and cover plate 2 are both U-shaped structure, and the sidewall of base 1 and cover plate 2 is both provided with heat dissipation hole 4. Heat dissipation hole 4 can play the role of heat dissipation.

[0028] The bottom side of base 1 is provided with heat dissipation fin 11, the top end of heat dissipation fin 11 is connected with heat-conducting silica gel pad 10, and heat-conducting silica gel pad 10 is attached to the bottom side of circuit board 6. By connecting heat-conducting silica gel pad 10 and heat dissipation fin 11 at the bottom of circuit board 6, further heat dissipation of circuit board 6 and components thereon can be achieved, which greatly improves the heat dissipation efficiency of the equipment.

[0029] The bottom end of base 1 is provided with fixed plate 3 on both sides, and the sidewall of fixed plate 3 is provided with fixing hole.

[0030] Fixed plate 3 is L-shaped, and heat dissipation fin 11 is located between the two fixed plates 3. The L-shaped fixed plate 3 facilitates the fixing and installation of the equipment.

[0031] The inner side of cover plate 2 is symmetrically fixed with two stop blocks 12, the inside of stop block 12 is provided with cavity groove 13, one end of cavity groove 13 is fixed with spring 14, one end of spring 14 is connected with sliding block 15, one end of sliding block 15 relative to spring 14 is fixed with positioning column 16, one end of positioning column 16 extends to the outside of stop block 12, the two sides of base 1 are symmetrically provided with positioning hole 17 towards positioning column 16, and positioning column 16 can be inserted and matched in positioning hole 17.

[0032] The base 1 and the cover plate 2 can constitute a power box shell, and the cover plate 2 is rotatably installed on the base 1; by pressing the positioning columns 16 on both sides of the cover plate 2, the positioning columns 16 drive the sliding blocks 15 to slide in the cavity grooves 13 and press the springs 14, then the positioning columns 16 are retracted into the stop blocks 12, then the cover plate 2 can be rotated and buckled on the base 1, then under the rebound of the springs 14, the positioning columns 16 are reset to protrude from the stop blocks 12 and are inserted into the positioning holes 17 on the base 1, so that the cover plate 2 and the base 1 can be quickly locked together, conversely, by pressing the positioning columns 16 to make them exit the positioning holes 17, the cover plate 2 can be rotated and opened from the base 1, thereby facilitating the disassembly and maintenance of internal components, which is simple and convenient to operate and greatly improves work efficiency.

[0033] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for those skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present application.

Claims

1. A high-current switching power supply, characterized by Include: Base (1), one end of the base (1) is rotatably connected with cover plate (2) through the shaft, and the inside bottom end of base (1) is symmetrically provided with boss (5), the top of two boss (5) is connected with circuit board (6), the top of circuit board (6) is provided with components and parts; The inner side of the cover plate (2) is symmetrically fixed with two stop blocks (12), the inside of the stop block (12) is provided with a cavity (13), the inside of the cavity (13) is fixed with a spring (14), one end of the spring (14) is connected with a sliding block (15), the sliding block (15) is fixed with a positioning column (16) relative to one end of the spring (14), one end of the positioning column (16) extends to the outside of the stop block (12), the two sides of the base (1) are symmetrically provided with positioning hole (17) towards positioning column (16), and the positioning column (16) can be inserted into the positioning hole (17).

2. A high-current switching power supply according to claim 1, characterized in that: The components and parts include power supply body (7), switch device (8) and transformer (9).

3. A high-current switching power supply according to claim 1, characterized in that: The base (1) and cover plate (2) are both U-shaped structure, and the sidewall of base (1) and cover plate (2) is provided with heat dissipation hole (4).

4. A high-current switching power supply according to claim 1, characterized in that: The bottom side of the base (1) is provided with heat dissipation fin (11), the top end of the heat dissipation fin (11) is connected with heat conduction silica gel pad (10), the heat conduction silica gel pad (10) is attached to the bottom side of the circuit board (6).

5. A high-current switching power supply according to claim 4, characterized in that: The bottom end of the base (1) is provided with fixed plate (3), the sidewall of the fixed plate (3) is provided with fixed hole.

6. A high-current switching power supply according to claim 5, characterized in that: The fixed plate (3) is L-shaped, and the heat dissipation fin (11) is located between the two fixed plates (3).

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