CN201616778U - Power conversion circuit board - Google Patents

Abstract

The utility model provides a power conversion circuit board, it includes a base plate and at least one power output structure. The substrate is provided with at least one power conversion circuit and at least one pair of power input holes, the power output structures are arranged on the substrate, each power output structure is electrically connected with one of the power conversion circuits, each power output structure is provided with at least one wire connecting hole, and the normal direction of each power output structure and the normal direction of the substrate form an angle.

Description

Power Conversion Board

technical field

The utility model relates to a circuit board, in particular to a power conversion circuit board.

Background technique

All along, the power supply is an important part of electronic equipment mainly for power conversion. With the continuous development of electronic technology, the Internet and multimedia technology are also becoming more and more mature. Therefore, the power supply that provides stable power output must naturally develop technology accordingly. In view of the high design cost and technical level of high-power power supplies, there are multi-layer power supplies combined in a stacked or parallel manner, and among them, parallel power supplies integrated for high-power output and redundant power supplies can also be distinguished. Power Supplier.

FIG. 1 is a schematic diagram of a circuit board used for electrical connection in a conventional multilayer power supply. Please refer to FIG. 1, the circuit board 10 is provided with multiple sets of power connection ports 11a, 11b for electrical connection of multiple power supplies 40, and each set of power connection ports 11a, 11b is electrically connected to a power processing circuit 12a, 12b. Sexual connection, and a cooling hole 13 is provided between each set of power connection ports 11a, 11b. In addition, a power conversion circuit 14 is provided below the circuit board 10 , so that the power processing circuits 12a and 12b integrate power through the power bridge 20 , and then the power line 30 is connected to the power connection hole 14a of the power conversion circuit 14 . However, due to the increasing power output required by electronic devices, these electronic devices must conform to the current fixed industrial specifications, such as 2U or 3U servers. The 2U or 3U referred to here is defined by the standard width19 inches and a height of 1.75 inches, but the circuit board 10 must be provided with a power conversion line 14, so the number of power connection ports 11a, 11b on the circuit board 10 will be limited, resulting in a waste of space. Furthermore, in order to cope with the different output voltages and powers required by various electronic devices, the number of power conversion circuits 14 on the circuit board 10 must be sufficient, and the number of power connectors 14a that can be assembled correspondingly also needs to be sufficient. enough, so that the use area of the circuit board 10 cannot be effectively reduced, affecting the overall size of the electronic device.

Utility model content

The utility model provides a power conversion circuit board with strong expandability.

The utility model provides a power conversion circuit board, which includes a substrate and at least one power output structure. The substrate has at least one power conversion circuit and at least one pair of power input holes, and the power output structure is disposed on the substrate, wherein each power output structure is electrically connected to one of the power conversion circuits, and each power output structure has at least one The wire is connected to the hole, and the normal direction of each power output structure forms an angle with the normal direction of the substrate.

In an embodiment of the power conversion circuit board of the present invention, the power output by the above-mentioned power output structure is not completely the same.

In an embodiment of the power conversion circuit board of the present invention, it further includes at least one power line, and these power lines are correspondingly inserted into the wire hole of the power output structure.

In an embodiment of the power conversion circuit board of the present invention, it further includes a power input structure disposed on the substrate, and the power input structure is inserted into the power input hole, wherein the power input structure has a locking hole. In addition, the power input structure further has at least one wire connection hole, and the wire connection hole is located beside the locking hole. In addition, the above-mentioned power input structure and power output structure can be located on the same surface of the substrate or on opposite surfaces of the substrate.

In an embodiment of the power conversion circuit board of the present invention, the angle between the normal direction of each power output structure and the normal direction of the substrate is within a range of 0° to 180°.

Based on the above, the power conversion circuit board of the present invention reduces the overall area compared with conventional ones, and the power output structure arranged on the substrate enables the power conversion circuit board to be effectively expanded and used.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific examples are given together with the attached drawings for detailed description as follows.

Description of drawings

FIG. 1 is a schematic diagram of a circuit board used for electrical connection in an existing multilayer power supply;

Fig. 2 is a schematic diagram of a power conversion circuit board according to an embodiment of the present invention;

Fig. 3 is a schematic diagram of a power conversion circuit board according to another embodiment of the present invention;

FIG. 4 is a schematic diagram of a power conversion circuit board according to yet another embodiment of the present invention.

Explanation of reference signs

10: circuit board; 11a, 11b: power connection port;

12a, 12b: power processing circuit; 13: cooling hole;

14: Power conversion circuit; 14a: Power connection hole

20: power bridging; 30: power cord;

40: Power supply unit; 200: Power conversion circuit board;

210, 210': substrate; 214: power input hole;

240: Power input structure; 216, 222, 244: Wire connection holes;

N1, N2: normal direction; 230: power line;

242: locking hole;

212, 212a, 212b, 212c: power conversion circuits;

220, 220a, 220b, 220c: power output structure.

Detailed ways

FIG. 2 is a schematic diagram of a power conversion circuit board according to an embodiment of the present invention. Please refer to FIG. 2 , the power conversion circuit board 200 of this embodiment includes a substrate 210 and a plurality of power output structures 220 . The substrate 210 has at least one power conversion circuit 212 and at least one pair of power input holes 214, and the power output structures 220 are disposed on the substrate 210, wherein each power output structure 220 is electrically connected to one of the power conversion circuits 212, and each A power output structure 220 has at least one wire connection hole 222 , and the normal direction N1 of each power output structure 220 forms an angle with the normal direction N2 of the substrate 210 .

In this embodiment, the number of power input holes 214 is not limited, but they need to be arranged in pairs. In addition, the power output structure 220 is a copper track, which is assembled on the substrate 210 or directly soldered on the substrate 210 . The above-mentioned angle between the normal direction N1 of the power output structure 220 and the normal direction N2 of the substrate 210 ranges from 0° to 180°. The substrate 210 forms an acute angle or an obtuse angle, which is determined according to user requirements.

In addition, each power conversion circuit 212 can convert the power input through the power input hole 214 , so the output power of the power output structure 220 electrically connected to the individual power conversion circuit 212 is not exactly the same. For example, when the input power of the power input hole 214 is, for example, 12 volts (Volt), but the power conversion circuit 212a does not convert the input power, and the power output structure 220a electrically connected to the power conversion circuit 212a can output power Also for 12 volts. Furthermore, the power conversion circuit 212b converts the input power, and the output power of the power output structure 220b electrically connected to the power conversion circuit 212b is, for example, 5 volts. Moreover, the power conversion circuit 212c converts the input power, and the output power of the power output structure 220c electrically connected to the power conversion circuit 212c is, for example, 3.3 volts. The power output by the power output structures 220a, 220b, and 220c described above is for the purpose of illustration in this embodiment, and is not limited thereto. Those in the technical field can modify the power conversion circuit 212 and the power output structure 220 according to actual needs. The actual set quantity, configuration location and the power it can output.

Based on the above, the power conversion circuit board 200 may further include at least one power line 230. When multiple power lines 230 are used, these power lines 230 are correspondingly inserted into the wire connection holes 222 of the power output structure 220, so that the converted or unconverted Electric power is output from these individual power output structures 220 to other electronic devices via power lines 230 .

In this embodiment, a power output structure 220 is provided on the substrate 210 of the power conversion circuit board 200, and the wire connection hole 222 of the power output structure 220 can be plugged by the power line 230 to output power. Since the wire connection hole 222 is not directly arranged on Therefore, the area of the substrate 210 can be reduced, thereby effectively reducing the overall size of the electronic equipment equipped with the power conversion circuit board 200 . Furthermore, the structure of the power conversion circuit board 200 is different from conventional circuit boards, which meets the requirements of customization.

FIG. 3 is a schematic diagram of a power conversion circuit board according to another embodiment of the present invention. Please refer to FIG. 3 , the power conversion circuit board 200 may further include a power input structure 240 disposed on the substrate 210 , and the power input structure 240 is inserted into the power input hole 214 . The power input structure 240 also has a locking hole 242 and at least one wire connecting hole 244 , and the wire connecting hole 244 is located beside the locking hole 242 . The setting of the locking hole 242 enables two or more power conversion circuit boards 200 that are also provided with the power input structure 240 having the locking hole 242 to be locked together by using a locking member (such as a screw), and the wire connecting hole 244 The power cord 230 can be plugged in. In this embodiment, the power input structure 240 and the power output structure 220 are located on the same surface of the substrate 210 . In other unillustrated embodiments, the power input structure 240 and the power output structure 220 may also be located on opposite surfaces of the substrate 210 . In addition, those skilled in the art know that the power input structure 240 has at least one of a locking hole 242 and a wire connection hole 244 , which can be selected according to requirements.

FIG. 4 is a schematic diagram of a power conversion circuit board according to yet another embodiment of the present invention. Please refer to FIG. 4 , at least one wire connecting hole 216 can also be set on the substrate 210 ′, and these wire connecting holes 216 can be arranged in the block corresponding to the power conversion circuit 212 , and the wire connecting hole 216 is connected with the power conversion circuit. The circuit 212 is electrically connected. In this way, the power cord 230 can be plugged into the wire hole 216 on the substrate 210' and the wire hole 222 of the power output structure 220 at the same time, thereby improving the expandability of the power conversion circuit board 200'.

To sum up, the power conversion circuit board of the present utility model has considerable divergence from the existing circuit board structure, and the power output structure installed on the substrate is used, because the power output structure has wire holes, which can be reduced compared with the existing ones. The area of the substrate is reduced, thereby effectively reducing the overall volume of electronic equipment using the power conversion circuit board. In addition, the power cord can still be plugged into the wire hole of the power output structure to output power. Furthermore, a power input structure with wire connection holes can also be used, or wire connection holes can also be provided on the substrate to improve the expandability of the power conversion circuit board for wire insertion.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit of the technical solutions of the various embodiments of the present invention. and range.

Claims (9)

1. A power conversion circuit board, characterized in that, comprising: a substrate having at least one power conversion circuit and at least one pair of power input holes; and, At least one power output structure is arranged on the substrate, wherein each power output structure is electrically connected to one of the power conversion circuits, and each power output structure has at least one wire connection hole, and each power output structure The normal direction of the substrate forms an angle with the normal direction of the substrate. 2 . The power conversion circuit board according to claim 1 , wherein the power output by the power output structures are not completely the same. 3 . The power conversion circuit board according to claim 1 , further comprising at least one power cord, and the power cord is correspondingly inserted into the wire hole of the power output structure. 4 . 4. The power conversion circuit board according to claim 1, further comprising a power input structure disposed on the substrate and inserted into the pair of power input holes. 5. The power conversion circuit board according to claim 4, wherein the power input structure has a locking hole. 6. The power conversion circuit board according to claim 5, wherein the power input structure further has at least one wire connection hole, and the at least one wire connection hole is located beside the locking hole. 7. The power conversion circuit board according to claim 4, wherein the power input structure and the at least one power output structure are located on the same surface of the substrate. 8 . The power conversion circuit board according to claim 4 , wherein the power input structure and the power output structure are located on opposite surfaces of the substrate. 9 . The power conversion circuit board according to claim 1 , wherein the angle between the normal direction of each power output structure and the normal direction of the substrate is in a range of 0 degrees to 180 degrees.

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