AC-DC and DC-DC dual-purpose all-brick module power supply

Abstract

The utility model discloses an AC-DC and DC-DC dual-purpose all-brick module power supply, which comprises a power supply box, a storage battery pack, an AC-DC board, a DC-DC board and a charging box, the power supply box comprises a box body and a box cover, a storage battery is placed in each battery cavity, an air inlet pipeline is laid at the bottom of each board mounting chamber, and the air inlet pipeline is communicated with the box body. One end of the air inlet pipeline is connected with the box body, the other end of the air inlet pipeline is provided with a cooling fan for exhausting air to the plate mounting chambers, the two plate mounting chambers are respectively provided with an air outlet in the two side walls of the box body, a circuit cavity is arranged between the two plate mounting chambers, a power supply plate and a charging box are arranged in the circuit cavity, and an AC-to-DC plate and a DC-to-DC plate are respectively mounted in the two plate mounting chambers. According to the utility model, four storage batteries are arranged, heat cannot be gathered and is easily absorbed and dissipated to the outside by the box body, the AC-to-DC board and the DC-to-DC board are respectively arranged in the two chambers, independent heat dissipation is carried out according to needs, and the whole board mounting chamber is good in gas fluidity and heat dissipation.

Description

TECHNICAL FIELD

[0001] The utility model relates to full brick module power supply technical field especially relates to a full brick module power supply of AC-DC and DC-DC two purposes. BACKGROUND

[0002] Full brick module power supply is a kind of high-integration DC power conversion module, existing market has AC-DC and DC-DC two purposes full brick module power supply, but its heat dissipation system is not independent, cannot be targeted for heat dissipation.Two purposes full brick module power supply is highly required to the shielding of external world and the interference between internal, prevent conversion voltage current, conversion precision is not high, cannot reach output voltage current requirement. SUMMARY

[0003] The utility model discloses at least one of the technical problems in the related art is solved to some extent.The utility model provides a kind of full brick module power supply of AC-DC and DC-DC two purposes, solve the problem such as the poor heat dissipation of high-integration two purposes full brick module power supply, shielding effect is not good.

[0004] According to the utility model provides a kind of full brick module power supply of AC-DC and DC-DC two purposes, including power supply box, battery pack, AC turns DC board, DC turns DC board and charging box, the power supply box includes box body and box cover, the box body is equipped with four battery cavities in lower half, each battery cavity is placed a battery, the top of two battery cavities of left side and right side is equipped with baffle, each baffle is equipped with one board mounting chamber above, one air inlet pipeline is laid in each board mounting chamber bottom, two air inlet pipelines one end is respectively through the two side walls of box body, the other end extends to the side wall position of board mounting chamber close to the middle position of box body, air inlet pipeline other end is equipped with the heat dissipation fan that exhausts to board mounting chamber, two board mounting chambers are equipped with one air outlet in the position of two side walls of box body, line cavity is equipped between two board mounting chambers, line cavity is equipped with power supply board and charging box, AC turns DC board and DC turns DC board are respectively installed in two board mounting chambers, the box cover is equipped with alternating current connection column, AC-DC connection column and DC-DC connection column in middle position, left side edge position and right side edge position, alternating current connection column is electrically connected to power supply board, one group of power supply line of power supply board is connected to charging box, another group of power supply line is connected to AC turns DC board, one group of output line of charging box is connected to four batteries for charging, four battery supply tabs are connected to DC turns DC board by wire, AC-DC connection column and DC-DC connection column are electrically connected to AC turns DC board and DC turns DC board respectively.

[0005] In some embodiments of the utility model, the box body and the box cover are made of stainless steel metal, and the surface is sprayed with insulating paint, and the front and rear sidewalls and the bottom of the lower half of the box body are each provided with a heat dissipation fin.

[0006] In some embodiments of the utility model, the air inlet port and the air outlet of the air inlet pipeline are each provided with a filter screen.

[0007] In some embodiments of the utility model, the AC-DC connector and the DC-DC connector each include a negative pole connector and a plurality of positive pole connectors of different voltages.

[0008] In some embodiments of the utility model, the DC-DC board is provided with an electric quantity monitoring module for monitoring four storage batteries.

[0009] In some embodiments of the utility model, the AC-DC board and the DC-DC board each have a thickness that is not more than half the height of the board mounting chamber.

[0010] In the utility model, four storage batteries are arranged in four storage battery chambers, and the heat is not concentrated and is easily absorbed by the box body and dissipated to the outside. The AC-DC board and the DC-DC board that are prone to heat generation are arranged in two chambers, respectively, and are independently cooled as needed. The entire board mounting chamber has good gas flow and good heat dissipation. BRIEF DESCRIPTION OF DRAWINGS

[0011] The accompanying drawings are included to provide a further understanding of the utility model and constitute a part of the specification, and are used together with embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0012] Fig. 1 A structure diagram of an AC-DC and DC-DC dual-purpose full-brick module power supply is provided for the utility model.

[0013] Fig. 2 A cross-sectional structure diagram of an AC-DC and DC-DC dual-purpose full-brick module power supply is provided for the utility model.

[0014] In the drawings, 1 is a box body; 11 is a heat dissipation fin; 12 is an air inlet port; 13 is an air outlet; 2 is a box cover; 3 is an AC connector; 4 is an AC-DC connector; 5 is a DC-DC connector; 6 is a storage battery; 61 is a charging box; 7 is an air inlet pipeline; 8 is a DC-DC board; 9 is an AC-DC board. DETAILED DESCRIPTION

[0015] Clearly, the described embodiments are merely a part of the embodiments of the present application, and are not all the embodiments of the present application.

[0016] Examples of the described embodiments are shown in the accompanying drawings, wherein identical or similar reference signs represent identical or similar elements or elements having identical or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0017] Referring to Figs. 1-2 An AC-DC and DC-DC dual-purpose full-brick module power supply includes a power supply box, a battery pack, an AC-to-DC board 9, a DC-to-DC board 8 and a charging box 61, the power supply box includes a box body 1 and a box cover 2, four battery cavities are arranged in the lower half of the box body 1, one battery 6 is arranged in each battery cavity, a partition plate is arranged on the top of each battery cavity on the left and right sides, one board mounting chamber is arranged above each partition plate, an air inlet pipe 7 is arranged on the bottom of each board mounting chamber, one end of each air inlet pipe 7 penetrates through the two side walls of the box body 1, and the other end extends to the side wall position of the board mounting chamber close to the middle position of the box body 1, a heat dissipation fan 71 is arranged on the other end of each air inlet pipe 7 to exhaust air to the board mounting chamber, an air outlet 13 is arranged on the side wall position of each board mounting chamber, a circuit cavity is arranged between the two board mounting chambers, a power supply board and the charging box 61 are arranged in the circuit cavity, the AC-to-DC board 9 and the DC-to-DC board 8 are arranged in the two board mounting chambers, respectively, alternating current connection columns 3, AC-DC connection columns 4 and DC-DC connection columns 5 are arranged on the middle position, the left side position and the right side position of the box cover 2, respectively, the alternating current connection columns 3 are electrically connected to the power supply board, one group of power supply lines of the power supply board is connected to the charging box 61, and the other group of power supply lines is connected to the AC-to-DC board 9, one group of output lines of the charging box 61 is connected to the four batteries 6 for charging, the power supply lugs of the four batteries 6 are connected to the DC-to-DC board 8 through wires, and the AC-DC connection columns 4 and the DC-DC connection columns 5 are electrically connected to the AC-to-DC board 9 and the DC-to-DC board 8, respectively.

[0018] The four batteries can be controlled by the DC-to-DC board 8 to start power supply of several batteries and switch power supply, and the four batteries are arranged separately, so that heat is not easily accumulated, and heat dissipation is good. The partition plates can prevent heat of the AC-to-DC board 9 and the DC-to-DC board 8 from flowing downward, air is sucked from the outside through the air inlet pipes 7 and is exhausted into the entire board mounting chamber, so that air in the board mounting chamber is replaced to quickly exhaust air and dissipate heat.

[0019] The charging box can be powered by external AC power to charge the four batteries, and can also directly power the AC-DC board 9 to convert multiple sets of DC power with different voltages and currents through the AC-DC board 9, realizing AC-DC power supply. When AC power cannot be supplied, the DC-DC board 8 can be powered by battery power to realize battery power supply and multiple sets of DC-DC power supply with different voltages and currents.

[0020] The box body 1 and the box cover 2 are made of stainless steel and are coated with insulating paint on the surface. The front and rear walls and the bottom of the lower half of the box body 1 are provided with heat dissipation fins 11. The battery compartment has heat absorbing and heat dissipating effects, and the heat dissipation effect is improved by enlarging the area of the heat dissipation fins 11.

[0021] The air inlet port 12 and the air outlet 13 of the air inlet pipe 7 are provided with filter screens to prevent dust from entering.

[0022] The AC-DC connector 4 and the DC-DC connector 5 each include a negative pole connector and multiple positive pole connectors with different voltages, realizing multiple sets of voltage and current connection modes.

[0023] The DC-DC board 8 is provided with an electric quantity monitoring module for monitoring the four batteries. Through electric quantity monitoring, intelligent switching of batteries or power supply voltage and current can be realized.

[0024] The thickness of the AC-DC board 9 and the DC-DC board 8 is not more than half of the height of the board mounting chamber, facilitating the flow of gas in the board mounting chamber.

[0025] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent substitutions or changes to the technical scheme and the inventive concept of the present application within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A fully modular power supply that can be used for both AC-DC and DC-DC conversion, characterized in that: The system includes a power supply box, a battery pack, an AC to DC converter (9), a DC to DC converter (8), and a charging box (61). The power supply box includes a box body (1) and a box cover (2). The lower half of the box body (1) has four battery chambers, each containing a battery (6). The tops of the two battery chambers on the left and right sides are equipped with partitions. Above each partition is a board mounting chamber. An air intake pipe (7) is laid at the bottom of each board mounting chamber. One end of each air intake pipe (7) passes through the two side walls of the box body (1), and the other end extends to the side wall of the board mounting chamber near the middle of the box body (1). The other end of the air intake pipe (7) is equipped with a cooling fan (71) to exhaust air into the board mounting chamber. Each of the two board mounting chambers has an air outlet (13) on one side wall of the box body. A wiring chamber is located between the two board mounting chambers. The circuit cavity is equipped with a power supply board and a charging box (61). The two board mounting chambers are respectively equipped with an AC to DC board (9) and a DC to DC board (8). The box cover (2) is equipped with AC power terminals (3), AC-DC terminals (4) and DC-DC terminals (5) at the middle, left and right sides respectively. The AC power terminals (3) are electrically connected to the power supply board. One set of power supply lines of the power supply board is connected to the charging box (61) and another set of power supply lines is connected to the AC to DC board (9). One set of output lines of the charging box (61) is connected to four batteries (6) for charging. The power supply terminals of the four batteries (6) are connected to the DC to DC board (8) through wires. The AC-DC terminals (4) and DC-DC terminals (5) are electrically connected to the AC to DC board (9) and the DC to DC board (8) respectively.

2. The all-brick modular power supply for both AC-DC and DC-DC applications according to claim 1, characterized in that: The box body (1) and the box cover (2) are both made of stainless steel and the surface is sprayed with insulating paint. The front and rear side walls and the bottom of the lower half of the box body (1) are provided with heat dissipation fins (11).

3. The all-brick modular power supply for both AC-DC and DC-DC applications according to claim 1, characterized in that: The air inlet (12) and air outlet (13) of the air inlet pipe (7) are both equipped with filters.

4. The all-brick modular power supply for both AC-DC and DC-DC applications according to claim 1, characterized in that: Both the AC-DC terminal (4) and the DC-DC terminal (5) include a negative terminal and multiple positive terminals with different voltages.

5. A fully modular power supply for both AC-DC and DC-DC applications according to claim 1, characterized in that: The DC to DC board (8) is equipped with a power monitoring module for monitoring the power of the four batteries.

6. A fully modular power supply for both AC-DC and DC-DC applications according to claim 1, characterized in that: The thickness of both the AC to DC board (9) and the DC to DC board (8) does not exceed half the height of the board installation chamber.

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