CN220544853U

CN220544853U - Voltage conversion PCB board

Info

Publication number: CN220544853U
Application number: CN202321743718.0U
Authority: CN
Inventors: 杨友忠
Original assignee: Shanghai Ekong Electronic Technology Co ltd
Current assignee: Shanghai Ekong Electronic Technology Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2024-02-27
Anticipated expiration: 2033-07-04

Abstract

The utility model discloses a voltage conversion PCB (printed circuit board), which comprises a substrate, a plurality of sampling resistors, a plurality of voltage conversion circuit boards and a plurality of voltage conversion circuit boards, wherein the sampling resistors are arranged on the substrate in parallel and are used for forming multiple paths of output voltages; the voltage converter can provide voltage output for a plurality of different loads simultaneously so as to improve UPH of equipment in the production process, and the PCB is simple in structure, convenient in the assembly process, good in anti-interference performance and stability of the DB5 connector, stable operation of a circuit can be ensured, and multi-path output voltage is output simultaneously.

Description

Voltage conversion PCB board

Technical Field

The utility model relates to the technical field related to voltage converters, in particular to a voltage conversion PCB.

Background

A voltage converter is a device for converting electrical energy from one voltage class to another, in which a PCB board is one of the important components, typically used to connect electronic components and assembled circuits.

For voltage converters applied to servers or other intelligent devices, a whole main board generally takes a 12V direct current power supply as a source, and outputs direct current voltages with different magnitudes after voltage reduction conversion of the voltage converters with different specifications so as to supply each high-speed signal block for working.

The voltage converter in the existing equipment in the field is generally single voltage conversion output, so that the production of one or smaller product can be completed at a time, the efficiency of product output is low in the production process of the equipment, and the timeliness of the cargo period is seriously affected.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a voltage conversion PCB.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the multi-channel sampling circuit comprises a substrate and a plurality of sampling resistors, wherein the sampling resistors are arranged on the substrate in parallel and are used for forming multi-channel output voltages.

As a further description of the above technical solution: the substrate is also provided with a converter output, a DB25 connector and a power input.

As a further description of the above technical solution: a plurality of said sampling resistors are connected in parallel between said converter output and said power supply input.

As a further description of the above technical solution: the DB25 connector is connected with the output end of the sampling resistor.

As a further description of the above technical solution: the DB25 connector is connected with the converter output and the power input.

As a further description of the above technical solution: the sampling resistor and the power supply input end are respectively connected with different pins of the DB25 connector.

As a further description of the above technical solution: the rotation angle of the DB25 connector is 90 degrees.

As a further description of the above technical solution: the substrate is provided with 16 sampling resistors for forming 16 paths of output voltages.

As a further description of the above technical solution: the output ends of the converters are distributed on two sides of the sampling resistor.

As a further description of the above technical solution: the resistance of the sampling resistor is 1M.

The utility model has the following beneficial effects:

according to the utility model, through the plurality of sampling resistors arranged on the substrate in parallel, a plurality of parallel output voltages can be formed on the PCB, so that UPH in production of products is improved, and the PCB is simple in structure, convenient in assembly and easy in function.

Drawings

Fig. 1 is a schematic diagram of a voltage conversion PCB board according to the present utility model;

fig. 2 is a layout diagram of the structure in fig. 1.

Legend description:

1. a substrate; 2. sampling a resistor; 3. the output end of the converter; 4. a DB25 connector; 5. and a power supply input terminal.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, one embodiment provided by the present utility model is: the circuit comprises a substrate 1, a plurality of sampling resistors 2, wherein the sampling resistors 2 are arranged on the substrate 1 in parallel and are used for forming multiple output voltages; the voltage converter can provide voltage output for a plurality of different loads simultaneously so as to improve UPH (product quantity produced per hour) of equipment in the production process, and the PCB is simple in structure, convenient in the assembly process, good in anti-interference performance and stability of the DB25 connector 4, and capable of ensuring stable operation of a circuit and enabling the output voltage of multiple paths to be output simultaneously.

The substrate 1 is further provided with a converter output end 3, a DB25 connector 4 and a power input end 5, the converter output end 3 is used for forming a voltage output end, the DB25 connector 4 is a port for receiving 16 paths of photocurrent input, so that photocurrent can enter a PCB, and a plurality of sampling resistors 2 are connected between the converter output end 3 and the power input end 5 in parallel to form a plurality of complete loops on the PCB.

The substrate 1 is provided with 16 sampling resistors 2 for forming 16 paths of output voltages, and the resistance of each sampling resistor 2 is 1M, so that the PCB can form 16 paths of output voltages at the same time, and UPH of equipment production products is improved.

The converter output ends 3 are distributed on two sides of the sampling resistor 2, so that 16 paths of voltage output can be completed on a PCB with smaller volume, the structure is more compact, the corner of the DB25 connector 4 is 90 degrees, the bending radius of an external cable is effectively reduced, and the structure of the PCB is more compact.

The sampling resistor 2 and the power input end 5 are respectively connected with different pins of the DB25 connector 4 to complete different functions, the DB25 connector 4 is connected with the converter output end 3 and the power input end 5, and the converter output end 3 is connected with pins 1-2 of the DB25 connector 4 for signal ground wire and system reset; the power input end 5 is connected with the DB25 connector 4, and the output end of the sampling resistor 2 is connected with pins 3-8 of the DB25 connector 4 for transmitting data (it should be noted that the DB25 connector 4 is in the prior art, and the roles of different pins are also existing, so that the description is not repeated).

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A voltage conversion PCB board, its characterized in that: the multi-channel voltage measuring circuit comprises a substrate (1), a plurality of sampling resistors (2), and the sampling resistors (2) are arranged on the substrate (1) in parallel and used for forming multi-channel output voltages.

2. The voltage conversion PCB of claim 1, wherein: the substrate (1) is also provided with a converter output end (3), a DB25 connector (4) and a power input end (5).

3. The voltage conversion PCB of claim 2, wherein: a plurality of sampling resistors (2) are connected in parallel between the converter output (3) and the power supply input (5).

4. The voltage conversion PCB of claim 2, wherein: the DB25 connector (4) is connected with the output end of the sampling resistor (2).

5. The voltage conversion PCB of claim 2, wherein: the DB25 connector (4) is connected to the converter output (3) and the power input (5).

6. The voltage conversion PCB of claim 2, wherein: the sampling resistor (2) and the power supply input end (5) are respectively connected with different pins of the DB25 connector (4).

7. The voltage conversion PCB of claim 2, wherein: the rotation angle of the DB25 connector (4) is 90 degrees.

8. The voltage conversion PCB of claim 1, wherein: the substrate (1) is provided with 16 sampling resistors (2) for forming 16 paths of output voltages.

9. The voltage conversion PCB of claim 2, wherein: the output ends (3) of the converter are distributed on two sides of the sampling resistor (2).

10. The voltage conversion PCB of claim 1, wherein: the resistance of the sampling resistor (2) is 1M.