Voltage converter

Abstract

The utility model discloses a voltage converter which comprises a shell and a large cover plate connected with the shell through screws, a circuit assembly is arranged in the shell, a wiring terminal a, a wiring terminal b and a wiring terminal c are respectively installed on the side walls of the shell, installation fixing assemblies are arranged at the four corners of the shell, a cooling groove is formed in the bottom of the shell, and the large cover plate is connected with the shell through screws. A snakelike flow channel is arranged at the bottom of the cooling tank, and the two ends of the snakelike flow channel communicate with pipe nozzles installed on the side wall of the shell. The cooling system pumps the cooling liquid into the snake-shaped flow channel, the cooling liquid circularly flows in the snake-shaped flow channel to dissipate heat of the shell and the circuit assembly in the shell, the heat preservation plate is pressed on the snake-shaped flow channel, the pressing plate is pressed on the heat preservation plate, the heat preservation plate conducts heat preservation on the cooling liquid, and the gasket is matched with the heat preservation plate and the pressing plate to seal the snake-shaped flow channel. Liquid leakage is prevented, and the use safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power equipment, in particular to a voltage converter. Background Art

[0002] Voltage converters are also widely used in solar panels, vehicle systems, industrial automation, wireless communications and other fields. In the field of wireless communications, they are widely used in RF power amplifiers and remote control devices. When selecting a voltage converter, you need to consider the voltage requirements between the input power supply and the output load, the power requirements of the load, whether the output current meets the load requirements, and the efficiency of the equipment. During the use of the voltage converter, a large amount of heat will be generated, which will affect its life. It is difficult to achieve the desired effect by relying solely on natural cooling. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a voltage converter.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A voltage converter comprises a shell and a large cover plate connected thereto by screws, wherein a circuit component is arranged inside the shell, and a terminal a, a terminal b and a terminal c are respectively installed on the side walls of the shell, and mounting and fixing components are arranged at the four corners of the shell, and a cooling groove is arranged at the bottom of the shell, and a serpentine flow channel is arranged at the bottom of the cooling groove, and nozzles installed on the side walls of the shell are connected at both ends of the serpentine flow channel, and the nozzles are connected to an external cooling system, and a sealing component is arranged at the notch of the cooling groove.

[0006] Preferably, the sealing assembly comprises a heat preservation plate located on the inner side and a pressure plate located on the outer side, and the heat preservation plate and the pressure plate are fixed in the cooling tank via a connecting piece.

[0007] Preferably, the outer ring of the cooling groove is provided with a sealing groove, and a gasket is provided in the sealing groove.

[0008] Preferably, inner grooves are arranged on the four side walls of the shell.

[0009] Preferably, the fixing assembly comprises a connecting seat which is integrally formed by turning with the housing, a connecting bolt is inserted into the connecting seat, and a spring washer is coaxially arranged on the connecting bolt.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the cooling system in the utility model pumps the coolant into the serpentine flow channel, the coolant circulates in the serpentine flow channel to dissipate heat to the shell and the circuit components therein, the insulation plate is pressed on the serpentine flow channel, the pressure plate is pressed on the insulation plate, the insulation plate insulates the coolant, the gasket cooperates with the insulation plate and the pressure plate to seal the serpentine flow channel to prevent leakage, and improve safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more specifically and intuitively illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0012] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0013] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0014] Figure 3 The structure of the utility model is shown in FIG. Figure 3 ;

[0015] Figure 4 The structure of the utility model is shown in FIG. Figure 4 .

[0016] In the figure: large cover plate 1, shell 2, inner groove 3, small cover plate 4, terminal a5, terminal b6, terminal c7, connecting seat 8, connecting bolt 9, spring washer 10, nozzle 11, washer 12, cooling groove 13, serpentine flow channel 14, insulation plate 15, pressure plate 16. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] Reference Figure 1-4 A voltage converter comprises a shell 2 and a large cover plate 1 connected thereto by screws, a circuit component is arranged inside the shell 2, a terminal a5, a terminal b6 and a terminal c7 are respectively installed on the side walls of the shell 2, a mounting and fixing component is arranged at the four corners of the shell 2, a cooling groove 13 is arranged at the bottom of the shell 2, a serpentine flow channel 14 is arranged at the bottom of the cooling groove 13, both ends of the serpentine flow channel 14 are connected with a nozzle 11 installed on the side wall of the shell 2, the nozzle 11 is connected to an external cooling system, and a sealing component is arranged at the notch of the cooling groove 13.

[0019] The cooling system pumps the coolant into the serpentine flow channel 14, and the coolant circulates in the serpentine flow channel 14 to dissipate heat to the shell 2 and the circuit components therein. The insulation plate 15 is pressed on the serpentine flow channel 14, and the pressure plate 16 is pressed on the insulation plate 15. The insulation plate 15 insulates the coolant. The gasket 12 cooperates with the insulation plate 15 and the pressure plate 16 to seal the serpentine flow channel 14 to prevent leakage and improve safety in use.

[0020] In this embodiment, the sealing assembly includes an insulation plate 15 located on the inner side and a pressure plate 16 located on the outer side. The insulation plate 15 and the pressure plate 16 are fixed in the cooling groove 13 through a connecting piece. The insulation plate 15 insulates the coolant. The gasket 12 cooperates with the insulation plate 15 and the pressure plate 16 to seal the serpentine flow channel 14 to prevent leakage.

[0021] In this embodiment, the outer ring of the cooling groove 13 is provided with a sealing groove, and a gasket 12 is provided in the sealing groove to improve the sealing performance.

[0022] In this embodiment, inner grooves 3 are provided on the four sides of the shell 2 to increase the outer surface area for heat dissipation.

[0023] In this embodiment, the fixing assembly includes a connecting seat 8 which is integrally formed by turning with the housing 2 , a connecting bolt 9 is inserted into the connecting seat 8 , and a spring washer 10 is coaxially arranged on the connecting bolt 9 for fixing the housing 2 .

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A voltage converter, comprising a housing (2) and a large cover plate (1) connected thereto by screws, wherein a circuit component is arranged inside the housing (2), and a terminal a (5), a terminal b (6) and a terminal c (7) are respectively mounted on the side walls of the housing (2), characterized in that: The four corners of the shell (2) are provided with mounting and fixing components, the bottom of the shell (2) is provided with a cooling groove (13), the bottom of the cooling groove (13) is provided with a serpentine flow channel (14), the two ends of the serpentine flow channel (14) are connected to a nozzle (11) installed on the side wall of the shell (2), the nozzle (11) is connected to an external cooling system, and the notch of the cooling groove (13) is provided with a sealing component.

2. A voltage converter according to claim 1, characterized in that: The sealing assembly comprises a heat preservation plate (15) located on the inner side and a pressure plate (16) located on the outer side, and the heat preservation plate (15) and the pressure plate (16) are fixed in the cooling groove (13) via a connecting piece.

3. A voltage converter according to claim 2, characterized in that: The outer ring of the cooling groove (13) is provided with a sealing groove, and a gasket (12) is provided in the sealing groove.

4. A voltage converter according to claim 3, characterized in that: The four side walls of the housing (2) are all provided with inner grooves (3).

5. A voltage converter according to claim 4, characterized in that: The fixing assembly comprises a connecting seat (8) which is integrally formed by turning with the housing (2), a connecting bolt (9) is inserted into the connecting seat (8), and a spring washer (10) is coaxially arranged on the connecting bolt (9).

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