Switching power supply

Abstract

The utility model relates to the technical field of switching power supplies, and discloses a switching power supply. The switching power supply comprises a shell, a cooling assembly and a plurality of rectification assemblies. The shell is provided with an accommodating cavity; the cooling assembly is arranged in the accommodating cavity and comprises a plurality of cold rows, each cold row comprises two opposite mounting surfaces, the plurality of cold rows are sequentially connected in the vertical direction, and the mounting surfaces are parallel to the vertical direction; the rectifying assembly is arranged in the containing cavity and arranged on the mounting face. According to the switching power supply, the cooling assembly and the rectification assembly are arranged on the two sides of the radiator in the vertical direction, the space in the vertical direction is fully utilized, the problem that the occupied area of the switching power supply is too large is avoided, the occupied area when a plurality of switching power supplies are flatly laid is effectively reduced, and the space is greatly saved.

Description

TECHNICAL FIELD

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

[0002] Switching power supply, also known as switching power supply, switching converter, is a kind of high-frequency power conversion device, is a kind of power supply unit.Its function is to convert the voltage of one level into the voltage or current required by user end through different forms of architecture.

[0003] At present, the high-frequency switching power supply on the market is mostly a whole cabinet, and the output of the whole cabinet is usually arranged horizontally, which leads to a large floor area of the whole cabinet.When a factory needs multiple high-frequency switching power supplies of the same power, multiple power cabinets need to be set up to be tiled and assembled, which increases the cost of the factory, and since the floor area of the whole cabinet is large, tiling multiple whole cabinets will further increase the floor area. INVENTION CONTENTS

[0004] Therefore, the utility model provides a kind of switching power supply to solve the problem that multiple switching power supplies need to be tiled and assembled to increase output end, large floor area and high cost.

[0005] In the first aspect, the utility model provides a kind of switching power supply, comprising:

[0006] Shell, is provided with accommodating cavity;

[0007] Cooling assembly is set in accommodating cavity, and the cooling assembly includes a plurality of cold rows, and the cold row includes two opposite mounting surfaces, and a plurality of cold rows are sequentially connected along the vertical direction, and the mounting surface is arranged in parallel with the vertical direction;

[0008] A plurality of rectifier assemblies are arranged in the accommodating cavity, and the rectifier assembly is arranged on the mounting surface.

[0009] Beneficial effects: the accommodating cavity of switching power supply is provided with cooling assembly and rectifier assembly, and rectifier assembly generates a large amount of heat when rectifying, and cooling assembly can cool rectifier assembly.Cooling assembly includes cold row, and a plurality of cold rows are sequentially connected along the vertical direction, and the mounting surface is arranged in parallel with the vertical direction, which can extend the cooling assembly upward, increase the mounting surface, and effectively increase the number of rectifier assemblies without expanding the floor area of switching power supply, so that the two mounting surfaces of one cold row can cool one rectifier assembly, and the cooling effect is good.The switching power supply arranges cooling assembly and rectifier assembly along the vertical direction, increases the number of rectifiers, fully utilizes the space in the vertical direction, avoids the problem of large floor area of switching power supply itself, effectively reduces the floor area when multiple switching power supplies are tiled, and greatly saves space.

[0010] In an alternative embodiment, the rectifying assembly comprises a circuit board and a rectifying board, the rectifying board is mounted on the circuit board, and the circuit board is connected with the mounting surface.

[0011] Beneficial effects: the rectifying board is mounted on the mounting surface through the circuit board, the rectifying board is used for converting alternating current into direct current, and the circuit board is used for controlling the rectifying board through a preprogrammed program.

[0012] In an alternative embodiment, the cooling row further comprises a support column, the support column is arranged on the mounting surface, the circuit board is connected with the support column through a fastener, and a waterproof gap is formed between the circuit board and the mounting surface.

[0013] Beneficial effects: by arranging the support column, the waterproof gap is formed between the circuit board and the mounting surface, so that the water in the air is prevented from condensing on the mounting surface due to low temperature of the mounting surface, damage to the circuit and corrosion of the circuit board are avoided, the condensed water is prevented from contacting the circuit board through the waterproof gap, and a safe use environment of the rectifying assembly is ensured.

[0014] In an alternative embodiment, the mounting surface is rectangular, and four support columns are arranged at four corners of the mounting surface.

[0015] Beneficial effects: by arranging the support columns at the four corners of the mounting surface, the rectifying assembly can be stably mounted, and the area of the mounting surface occupied by the rectifying assembly is reduced, so that the influence of the cooling row on the heat dissipation of the rectifying assembly is reduced.

[0016] In an alternative embodiment, the cooling rows are connected in series.

[0017] Beneficial effects: the cooling rows are connected in series, the cooling liquid flows through the cooling rows in sequence, the connection mode is simple and reliable, and the complexity of the connecting pipeline between the cooling rows is reduced.

[0018] In an alternative embodiment, adjacent cooling rows are connected through a communication member.

[0019] Beneficial effects: the adjacent cooling rows are connected through the communication member, the structure is simple, and the cost is low.

[0020] In an alternative embodiment, the cooling assembly further comprises a connecting bracket, the connecting bracket is arranged between adjacent two cooling rows, and the connecting bracket is connected with the cooling rows through fasteners.

[0021] Beneficial effects: the two cooling rows are connected through the connecting bracket, the connection strength between the two cooling rows is strengthened, the adjacent cooling rows can be stably connected when placed vertically, and the stability is ensured.

[0022] In an alternative embodiment, the cooling assembly further comprises a mounting bracket, the cooling plate arranged at the bottom of the accommodating cavity is connected with the shell through the mounting bracket.

[0023] Beneficial effects: the mounting bracket connects the shell and the cooling plate at the bottom, ensuring the stable connection between the cooling assembly and the shell, avoiding the shaking and collision of the cooling assembly and the rectifying assembly in the accommodating cavity.

[0024] In an alternative embodiment, the shell is further provided with a relief hole, and the rectifying assembly is provided with an output end, the output end extending out of the shell through the relief hole.

[0025] Beneficial effects: the output end extends out of the shell through the relief hole, and the operator can obtain the direct current through the output end.

[0026] In an alternative embodiment, the output ends are staggered in the vertical direction.

[0027] Beneficial effects: the staggered output ends in the vertical direction can provide more operating space for the operator, facilitating the operator to turn off the switching power supply while outputting multiple currents, reducing the operating difficulty. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0029] Figure 1 FIG. 1 is a structural schematic diagram of a switching power supply according to an embodiment of the present application;

[0030] Figure 2 FIG. 2 is a structural schematic diagram of another switching power supply according to an embodiment of the present application;

[0031] Figure 3 FIG. 3 is a structural exploded schematic diagram of a switching power supply according to an embodiment of the present application;

[0032] Figure 4 FIG. 4 is a structural schematic diagram of the connection between a cooling assembly, a rectifying assembly and a bottom plate according to an embodiment of the present application;

[0033] Figure 5 FIG. 5 is a structural exploded schematic diagram of another switching power supply according to an embodiment of the present application.

[0034] Legend of reference signs:

[0035] 1, shell; 11, bottom plate; 12, top plate; 13, side plate; 14, front panel; 15, rear panel; 16, escape hole;

[0036] 2, cooling assembly; 21, cooling row; 211, mounting surface; 212, support column; 213, waterproof gap; 22, communication piece; 23, connecting bracket; 24, mounting bracket;

[0037] 3, rectifier assembly; 31, circuit board; 32, rectifier plate; 33, output end;

[0038] 4, circuit breaker;

[0039] 5, controller. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0041] The embodiments of the utility model switch power supply will be described below in combination with Figures 1 to 5

[0042] According to the embodiments of the utility model, on the one hand, a switch power supply is provided, which comprises a shell 1, a cooling assembly 2 and a plurality of rectifier assemblies 3. The shell 1 is provided with a containing cavity; the cooling assembly 2 is arranged in the containing cavity, and the cooling assembly 2 comprises a plurality of cooling rows 21, the cooling row 21 comprises two opposite mounting surfaces 211, the plurality of cooling rows 21 are connected in sequence along the vertical direction, and the mounting surface 211 is arranged in parallel with the vertical direction; the rectifier assembly 3 is arranged in the containing cavity, and the rectifier assembly 3 is arranged on the mounting surface 211.

[0043] ​The switch power supply provided by the embodiment is provided with a cooling assembly 2 and a rectifying assembly 3 in the accommodating cavity. The rectifying assembly 3 generates a large amount of heat during rectification, and the cooling assembly 2 can cool the rectifying assembly 3. The cooling assembly 2 comprises a plurality of cooling rows 21 connected in sequence along the vertical direction, and the mounting surfaces 211 are arranged in parallel with the vertical direction, so that the cooling assembly 2 extends upward, the number of the mounting surfaces 211 is increased, and the footprint of the switch power supply is not enlarged, thereby effectively increasing the number of the rectifying assembly 3, and the two mounting surfaces 211 of one cooling row 21 cool one rectifying assembly 3, and the cooling effect is good. The switch power supply arranges the cooling assembly 2 along the vertical direction, and the rectifying assembly 3 is arranged on both sides of the cooling row 21, so that the space in the vertical direction is fully utilized, the problem of the large footprint of the switch power supply itself is avoided, the footprint of the plurality of switch power supplies is effectively reduced when they are laid flat, and the space is greatly saved.

[0044] In one embodiment, the shell 1 is a cuboid, and the shell 1 comprises a bottom plate 11, a top plate 12, two side plates 13, a front panel 14 and a rear panel 15, and the bottom plate 11, the top plate 12, the two side plates 13, the front panel 14 and the rear panel 15 surround to form an accommodating cavity. The bottom plate 11, the top plate 12, the two side plates 13, the front panel 14 and the rear panel 15 are connected by fasteners. The outer surfaces of the shell 1 are all provided with counterbores, and the fasteners do not protrude from the outer surfaces of the shell 1 after installation, so that the aesthetic degree of the shell 1 is improved.

[0045] In one embodiment, the mounting surface 211 is arranged opposite to the side plate 13, so that when the switch power supply is overhauled or the rectifying assembly 3 is replaced and maintained, the disassembly and installation can be easily completed by only opening the side plate 13, which is simple, fast and reduces the difficulty of maintenance and replacement.

[0046] In one embodiment, the switch power supply further comprises a circuit breaker 4, and the current is connected to the switch power supply through the circuit breaker 4, and the current is rectified by the rectifying assembly 3 to form a current output in a required form. The circuit breaker 4 is detachably arranged on the rear panel 15 through a mounting assembly, and the circuit breaker 4 is used for distributing electric energy, protecting circuits and devices, and automatically cutting off fault current. The circuit breaker 4 can close, carry and open the current under normal loop conditions, and close, carry and open the current under abnormal loop conditions within a specified time. When an overload, short circuit or undervoltage fault occurs in the circuit, the circuit breaker 4 can automatically cut off the circuit to prevent the accident from expanding and ensure the safe operation of the switch power supply.

[0047] In one embodiment, the mounting assembly comprises a guide rail and a buckle, and the guide rail is mounted on the rear panel 15, and the circuit breaker 4 can be mounted on the rear panel 15 through the guide rail. In other embodiments, other forms of mounting assemblies can also be used.

[0048] In one embodiment, the switching power supply further comprises a controller 5 arranged on the front panel 14, the controller 5 comprising a control panel and a control element connected with the rectifying assembly 3, and the operator can control the output parameters and modes of the rectifying assembly 3 through the control panel.

[0049] In one embodiment, the rectifying assembly 3 comprises a circuit board 31 and a rectifying board 32, the rectifying board 32 is arranged on the circuit board 31, and the circuit board 31 is connected with the mounting surface 211. The rectifying board 32 is arranged on the mounting surface 211 through the circuit board 31, the rectifying board 32 is used for converting alternating current into direct current, and the circuit board 31 is used for controlling the rectifying board 32 through a preprogrammed program.

[0050] In one embodiment, the cold row 21 further comprises support columns 212 arranged on the mounting surface 211, the circuit board 31 is connected with the support columns 212 through fasteners, and a waterproof gap 213 is formed between the circuit board 31 and the mounting surface 211. By arranging the support columns 212, the waterproof gap 213 is formed between the circuit board 31 and the mounting surface 211, so that the water in the air is prevented from condensing on the mounting surface 211 due to the low temperature of the mounting surface 211, which can cause damage to the circuit and corrosion of the circuit board 31. The contact between the condensed water and the circuit board 31 is avoided through the waterproof gap 213, and the safe use environment of the rectifying assembly 3 is ensured.

[0051] In one embodiment, the mounting surface 211 is rectangular, and the support columns 212 are arranged at four corners of the mounting surface 211. By arranging the support columns 212 at the four corners of the mounting surface 211, the rectifying assembly 3 can be stably installed, and the area of the mounting surface 211 occupied by the rectifying assembly 3 is reduced, thereby reducing the influence of the cold row 21 on the heat dissipation of the rectifying assembly 3.

[0052] In other embodiments, the mounting surface 211 can also be circular, polygonal, irregular, or the like.

[0053] In one embodiment, the plurality of cold rows 21 are connected in series. The cold rows 21 are connected in series, and the cooling liquid flows through the cold rows 21 in sequence. The connection mode is simple and reliable, and the complexity of the connection pipeline between the cold rows 21 is reduced.

[0054] In one embodiment, the adjacent cold rows 21 are connected through the communication members 22. The adjacent cold rows 21 are connected through the communication members 22, and the structure is simple and the cost is low.

[0055] In one embodiment, the communication member 22 is a right-angle water nozzle, and the water inlet of one cold row 21 is connected with the water outlet of an adjacent cold row 21 through two right-angle water nozzles, so that the cooling medium can flow directly through the cold rows 21.

[0056] In one embodiment, the cold rows 21 can also be connected in parallel, and the parallelly connected cold rows 21 can ensure that the cooling effects of the cold rows 21 are the same and improve the cooling effect of the end cold row 21.

[0057] In one embodiment, the cooling assembly 2 further comprises a connecting bracket 23 arranged between two adjacent cold rows 21, and the connecting bracket 23 is connected with the cold rows 21 by fasteners. The two cold rows 21 are connected by the connecting bracket 23, which strengthens the connection between the two cold rows 21 and ensures that the adjacent cold rows 21 can be stably connected when placed vertically, thereby ensuring stability.

[0058] In one embodiment, the cooling assembly 2 further comprises a mounting bracket 24, and the cold row 21 arranged at the bottom of the accommodating cavity is connected with the shell 1 by the mounting bracket 24. The mounting bracket 24 connects the shell 1 with the bottom cold row 21, which ensures the stable connection between the cooling assembly 2 and the shell 1 and avoids the cooling assembly 2 and the rectifying assembly 3 from shaking and colliding in the accommodating cavity.

[0059] In one embodiment, the shell 1 is further provided with a relief hole 16, and the rectifying assembly 3 is provided with an output end 33, which extends out of the shell 1 through the relief hole 16. The output end 33 extends out of the shell 1 through the relief hole 16, and the operator can obtain direct current through the output end 33.

[0060] In one embodiment, the output ends 33 are staggered in the vertical direction. The staggered output ends 33 in the vertical direction can provide more operating space for the operator, which is convenient for the operator to turn off the switching power supply while outputting multiple currents, thereby reducing the operating difficulty.

[0061] The specific structure and model of the cold row 21 and the rectifying assembly 3 are not limited herein, and the cold row 21 and the rectifying assembly 3 are both prior art devices, which will not be described herein.

[0062] In one embodiment, the fasteners can be screws, bolts, etc.

[0063] Although the embodiments of the present application are described in conjunction with the drawings, various modifications and changes can be made by those skilled in the art without departing from the spirit and scope of the present application, and such modifications and changes fall within the scope defined by the appended claims.

Claims

1. A switching power supply, characterized by comprising: The application relates to a shell (1) provided with a containing cavity, a cooling assembly (2) arranged in the containing cavity, the cooling assembly (2) comprising a plurality of cold rows (21), the cold row (21) comprising two opposite mounting surfaces (211), the plurality of cold rows (21) being sequentially connected in the vertical direction, and the mounting surface (211) being arranged in parallel with the vertical direction. The rectifying assembly (3) comprises a circuit board (31) and a rectifying plate (32), the rectifying plate (32) being arranged on the circuit board (31), and the circuit board (31) being connected with the mounting surface (211). The cold row (21) further comprises a supporting column (212) arranged on the mounting surface (211), the circuit board (31) being connected with the supporting column (212) through a fastener, and a waterproof gap (213) being formed between the circuit board (31) and the mounting surface (211). The mounting surface (211) is rectangular, and the supporting column (212) is arranged at four corners of the mounting surface (211).

2. The switching power supply according to claim 1, characterized in that The plurality of cold rows (21) are connected in series.

3. The switching power supply according to claim 2, characterized in that The adjacent cold rows (21) are communicated through a communication member (22).

4. The switching power supply according to claim 3, characterized in that The cooling assembly (2) further comprises a connecting support (23) arranged between two adjacent cold rows (21), and the connecting support (23) is connected with the cold row (21) through a fastener.

5. The switching power supply of claim 1, wherein The cooling assembly (2) further comprises a mounting support (24), and the cold row (21) arranged at the bottom of the containing cavity is connected with the shell (1) through the mounting support (24).

6. The switching power supply of claim 1, wherein The shell (1) is further provided with a avoiding hole (16), the rectifying assembly (3) is provided with an output end (33), and the output end (33) extends out of the shell (1) through the avoiding hole (16).

7. The switching power supply of claim 1, wherein The output end (33) is arranged in the vertical direction in a staggered mode.

8. The switching power supply of claim 1, wherein ​ 9. Switching power supply according to any of claims 1-8, characterized in that ​ 10. The switching power supply of claim 9, wherein ​

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