TW201706861A - Power supply system and power board - Google Patents

Abstract

A power supply system includes a power board and a transmission cable. The power board provides a first voltage and a second voltage. The transmission cable transmits the first voltage to a first electronic element to activate the first electronic element to work, and transmit the second voltage to a second electronic element which has same function to the first electronic element to activate the second electronic element to work.

Description

Power supply system and circuit board

The invention relates to a power supply system and a circuit board.

Some electronic components have not yet formed a uniform operating voltage. For example, the operating voltage of the touchpad is divided into 12V and 5V. Therefore, the same electronic components provided by different vendors may have different operating voltages. As such, electronic device manufacturers must prepare different boards to match the electronic components provided by the supplier.

In view of this, it is necessary to provide a power supply system and a circuit board that can supply power to electronic components having different operating voltages.

A power supply system includes a circuit board, a transmission cable, and an electronic component. The working voltage of the electronic component can be a first working voltage or a second working voltage, and the circuit board provides a first working voltage and a second working voltage, and the transmission cable is connected. Between the circuit board and the electronic component, the transmission cable is configured to transmit the first operating voltage to the electronic component whose operating voltage is the first operating voltage and the second operating voltage to the electronic component whose operating voltage is the second operating voltage.

A circuit board includes a power supply unit that provides a first operating voltage, the circuit board further includes a voltage conversion unit and a power supply interface, and the voltage conversion unit converts the first working voltage provided by the power supply unit into a second working voltage, and the power supply interface receives the first The working voltage and the second working voltage are used to transmit the first working voltage or the second working voltage to an electronic component, and the working voltage of the electronic component may be the first working voltage or the second working voltage.

The above power supply system and circuit board can transmit different working voltages to the electronic components. Thus, regardless of whether the operating voltage required for the electronic component is the first operating voltage or the second operating voltage, the power supply system can satisfy the required operating voltage of the electronic component.

FIG. 1 is a schematic diagram of a first operating voltage provided by a power supply system according to an embodiment of the present invention.

2 is a schematic diagram of a pin of the power supply interface of FIG. 1.

3 is a schematic diagram of the second operating voltage provided by the power supply system of FIG. 1.

The invention will now be described in further detail with reference to the accompanying drawings.

Referring to FIGS. 1 through 3 , a power supply system 10 includes a circuit board 20 , a transmission cable 30 , and an electronic component 40 . The operating voltage of the electronic component 40 can be either a first operating voltage or a second operating voltage. The circuit board 20 is for providing a first operating voltage and a second operating voltage. The transmission cable 30 is connected between the circuit board 20 and the electronic component 40 for transmitting the first operating voltage to the electronic component 40 whose operating voltage is the first operating voltage and the second operating voltage to the operating voltage to the second operating voltage. Electronic component 40.

The circuit board 20 includes a power supply unit 22, a voltage conversion unit 24, and a power supply interface 26. The transmission cable 30 includes a cable body 32 and a switching interface 34. The power supply unit 22 is for providing a first operating voltage. The voltage conversion unit 24 is electrically connected to the power supply unit 22 for converting the first operating voltage provided by the power supply unit 22 into a second operating voltage. Referring to FIG. 2, the power supply interface 26 includes a plurality of pins, wherein the two pins are the first voltage input terminal VCC1 for receiving the first working voltage provided by the power supply unit 22, and the other two pins are the second voltage input. The terminal VCC2 is configured to receive the second operating voltage provided by the voltage conversion unit 24. The power supply interface 26 further includes a data login terminal D+ and a data output terminal D-. The power supply interface 26 also includes a plurality of ground pins (not shown).

The transition interface 34 includes a plurality of pins corresponding to a plurality of pins of the power supply interface 26. The plurality of pins of the switching interface 34 are respectively connected to a plurality of pins of the power supply interface 26. The cable body 32 includes a plurality of wires respectively connected to a plurality of pins of the switching interface 34, and includes two first wires 36 and two second wires 38. The two first wires 36 are connected to the two first voltage input terminals VCC1 of the power supply interface 26 through the switching interface 34 for connecting the two first voltage input terminals VCC1 when the operating voltage of the electronic component 40 is the first operating voltage. The first operating voltage is transmitted to the electronic component 40. The two second wires 38 are connected to the two second voltage input terminals VCC2 of the power supply interface 26 through the switching interface 34 for connecting the two second voltage input terminals VCC2 when the operating voltage of the electronic component 40 is the second operating voltage. The second operating voltage is transmitted to the electronic component 40. The cable body 32 preferably includes two data wires 35 for connecting the data registration terminal D+ and the data output terminal D- of the power supply interface 26 through the switching interface 34 to realize data transmission between the electronic component 40 and the circuit board 20. The cable body 32 also includes a plurality of grounding conductors (not shown) that are connected to the grounding pins.

In the present embodiment, the electronic component 40 is a touch panel, the first operating voltage is 12V, and the second operating voltage is 5V. The voltage supplied by the power supply unit 22 is 12V. The voltage conversion unit 24 converts the 12V voltage supplied from the power supply unit 22 into a 5V voltage. When the required operating voltage of the touch panel is 12V, the two first wires 36 of the cable body 32 are connected to the power input end of the electronic component 40, and the touchpad is supplied with a voltage of 12V to operate the touchpad. When the operating voltage required by the touch panel is 5 V, the two second wires 38 of the cable body 32 are connected to the power input end of the electronic component 40, and the touch panel is supplied with a voltage of 5 V to operate the touch panel.

The circuit board 20 of the power supply system 10 transmits different operating voltages to different pins of the power supply interface 26, and the first wire 36 transmits the first operating voltage to the first operating voltage when the required operating voltage of the electronic component 40 is the first operating voltage. The electronic component 40, the second wire 38 at the operating voltage required by the electronic component 40 is a second operating voltage that transmits the second operating voltage to the electronic component 40. Thus, the power supply system 10 can satisfy the required operating voltage of the electronic component 40 regardless of whether the operating voltage required by the electronic component 40 is the first operating voltage or the second operating voltage.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above-mentioned preferred embodiments of the present invention are intended to be within the scope of the following claims.

10‧‧‧Power supply system

20‧‧‧ boards

30‧‧‧Transmission cable

40‧‧‧Electronic components

22‧‧‧Power supply unit

24‧‧‧Voltage conversion unit

26‧‧‧Power supply interface

32‧‧‧ Cable body

34‧‧‧Transfer interface

VCC1‧‧‧ first voltage input

VCC2‧‧‧second voltage input

D+‧‧‧ data login

D-‧‧‧ data output

36‧‧‧First wire

38‧‧‧Second wire

35‧‧‧Information wire

no

10‧‧‧Power supply system

20‧‧‧ boards

30‧‧‧Transmission cable

40‧‧‧Electronic components

22‧‧‧Power supply unit

24‧‧‧Voltage conversion unit

26‧‧‧Power supply interface

32‧‧‧ Cable body

34‧‧‧Transfer interface

36‧‧‧First wire

38‧‧‧Second wire

35‧‧‧Information wire

Claims (10)

A power supply system includes a circuit board, a transmission cable, and an electronic component. The working voltage of the electronic component can be a first working voltage or a second working voltage, and the circuit board provides a first working voltage and a second working voltage, and the transmission cable is connected. Between the circuit board and the electronic component, the transmission cable is configured to transmit the first operating voltage to the electronic component whose operating voltage is the first operating voltage and the second operating voltage to the electronic component whose operating voltage is the second operating voltage. The power supply system of claim 1, wherein the circuit board comprises a power supply unit, a voltage conversion unit and a power supply interface, the power supply unit provides a first working voltage, and the voltage conversion unit converts the first working voltage provided by the power supply unit into The second working voltage, the power supply interface receives the first working voltage and the second working voltage. The power supply system of claim 2, wherein the power supply interface comprises a plurality of pins, wherein the two pins are two first voltage input terminals for receiving the first working voltage, and the two outer two pins are for receiving the second. A second voltage input of the operating voltage. The power supply system of claim 3, wherein the power supply interface further comprises a data registration end and a data output end for transmitting data between the circuit board and the electronic component through the transmission cable. The power supply system of claim 3, wherein the transmission cable includes two first wires electrically connected to the two first voltage input ends and two second wires electrically connected to the two second voltage input terminals, two a wire is connected to the electronic component when the working voltage required for the electronic component is the first working voltage to provide the first working voltage to the electronic component, and the second wire is connected to the electron when the working voltage required by the electronic component is the second working voltage The components are connected to provide a second operating voltage to the electronic component. The power supply system of claim 1, wherein the first operating voltage is 12V and the second operating voltage is 5V. The power supply system of claim 6, wherein the electronic component is a touch panel. A circuit board includes a power supply unit that provides a first operating voltage, wherein the circuit board further includes a voltage conversion unit and a power supply interface, and the voltage conversion unit converts the first working voltage provided by the power supply unit into a second working voltage, and the power supply interface receives For the first working voltage and the second working voltage, the power supply interface is configured to transmit the first working voltage or the second working voltage to an electronic component, and the working voltage of the electronic component may be the first working voltage or the second working Voltage. The circuit board of claim 8, wherein the power supply interface comprises a plurality of pins, wherein the two pins are two first voltage input terminals for receiving the first working voltage, and the other two pins are for receiving the second work. The second voltage input of the voltage. The circuit board of claim 8, wherein the first operating voltage is 12V and the second operating voltage is 5V.