TW201525670A - Computer system and power supplying method thereof - Google Patents

Abstract

A computer system and a power supplying method thereof are disclosed. The computer system is used for connecting to a power supply unit to receive a main power signal. The computer system includes a plurality of USB port, a control chip, a plurality of main power switch module, and a main power module. The plurality of USB port is used for connecting at least one external device. The control chip determines whether the plurality of USB port are connected the external device and further determine the type of the external device. When the control chip determines the external device is the power supply unit, the control chip controls a corresponding main power switch module turn-on and controls the power supply unit to supply the main power signal. The main power module is used for receiving the main power signal.

Description

Computer system and method of power supply thereof

The invention relates to a computer system and a method for supplying the same, and particularly to a computer system capable of automatically determining whether a plurality of universal serial bus bars are connected to a power supply device and a power supply thereof.

With the advancement of the times, today's applications for universal serial busbars have become more and more widespread, and users can use the same specification port to connect with other external devices without replacing other specifications. A USB PD (USB Power Delivery) that can receive external power has been developed so that the computer system can use the USB PD to connect to an external power supply for charging. At present, the USB Association defines a USB PD port and must have a control module to communicate. In order to save costs, there is only one USB port in the general computer system, which can be connected to the USB PD. Other USB ports cannot be connected to the power supply device. This may cause other USB ports to be idle, which is also inconvenient for the user.

Therefore, it is necessary to invent a computer system and its power supply method to support a plurality of USB PDs to solve the lack of prior art.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a computer system having the effect of automatically determining whether a plurality of universal serial bus bars are connected to a power supply device.

Another primary object of the present invention is to provide a method of power supply for the above system.

To achieve the above object, the computer system of the present invention can be electrically connected to the power supply device to receive the main power signal. The computer system includes a plurality of universal serial bus connections, a control chip, a plurality of main power switch modules, and a main power module. A plurality of universal serial bus connections are used to electrically connect with at least one external device. The control chip has a plurality of first pins, a plurality of second pins, and a plurality of third pins, and the control chip is electrically connected to the plurality of universal serial bus ports to be judged by the plurality of first pins Whether the plurality of universal sequence bus connections are connected to at least one external device, and thereby further determining the type of at least one external device. The plurality of main power switch modules are electrically connected to the control chip, wherein when the control chip determines that at least one external device is the power supply device, the control chip is controlled by the corresponding second pin from the plurality of main power switch modules. Corresponding to the main power switch module being turned on, and starting to supply the main power signal by controlling the power supply device corresponding to the third pin. The main power module is configured to receive a main power signal of the power supply device.

The method of power supply of the present invention is for a computer system, and the computer system is electrically connected to the power supply device to receive the main power signal. The method includes the following steps: determining whether a plurality of universal sequence bus bars are connected to at least one external device; determining a type of at least one external device; and determining that at least one external device is a power supply device, the plurality of main power switch modules The middle control corresponds to the main power switch module being turned on; and the control power supply device starts to supply the main power signal for transmission to the main power module via the corresponding main power switch module.

In order to enable the reviewing committee to better understand the technical contents of the present invention, the preferred embodiments are described below.

First, please refer to FIG. 1A for a schematic diagram of a circuit structure of a computer system of the present invention and FIG. 1B is a schematic diagram of a pin of a control chip of the computer system of the present invention.

The computer system 1 of the present invention is electrically connected to an external power supply device via a universal serial bus connection port (such as 21, 22, 23 in FIG. 1) to receive the main power signal, and the computer system 1 can also be universally The serial bus bar connections 21, 22, 23 supply power to other powered devices. The computer system 1 includes a control chip 10, a plurality of general-purpose serial bus bars 21, 22, 23, a plurality of main power switch modules 31, 32, 33, and a main power module 61. The plurality of general-purpose serial bus connections 21, 22, 23 are used to electrically connect to at least one external device 2. The control chip 10 has first pins 11a, 11b, 11c, second pins 12a, 12b, 12c and third pins 13a, 13b, 13c, first pins 11a, 11b, 11c and third pins 13a, 13b and 13c are respectively electrically connected to a plurality of general-purpose serial busbar ports 21, 22, and 23, and the second pins 12a, 12b, and 12c are electrically connected to the plurality of main power switch modules 31, 32, and 33, respectively. . When an external device 2 is inserted into any of the universal serial bus ports 21, 22, 23, the control chip 10 is connected to the plurality of general-purpose bus bar ports 21, 22 by the first pins 11a, 11b, 11c. At 23, it is judged which of the general-purpose serial bus bars 21, 22, 23 is connected to the external device 2, and thereby the type of the connected external device 2 is further judged.

The plurality of main power switch modules 31, 32, and 33 are electrically connected to the control wafer 10 via the second pins 12a, 12b, and 12c, respectively. When the control chip 10 determines that the external device 2 is a power supply device by using the first pins 11a, 11b, 11c, the control chip 10 is self-completion of the main power switch modules 31, 32 by the second pins 12a, 12b, 12c. 33 controls a corresponding main power switch module to be turned on, and controls the power supply device to supply the main power signal by the third pins 13a, 13b, 13c, for example, supplying a main power signal of 19 volts, but the invention is not limited thereto. specification. The main power module 61 is electrically connected to the plurality of main power switch modules 31, 32, 33, and the main power signal is transmitted to the main power module 61, so that the main power module 61 receives and stores the main power signal. For use in controlling the chip 10 or any module of the computer system 1.

As shown in FIG. 1, if an external device 2 is inserted into any of the universal serial bus bar ports 21, the control chip 10 is connected to the universal sequence bus bar port 21 by the first pin 11a. The type of external device 2 to be connected. When the control chip 10 determines that the external device 2 is the power supply device by using the first pin 11a, the control chip 10 controls the corresponding main power switch module 31 to be turned on by the corresponding second pin 12a, and is connected by the third connection. The foot 13a controls the power supply device to start supplying the main power signal to the main power module 61.

And when the control chip 10 determines that the plurality of main power switch modules 31, 32, and 33 are electrically connected to the plurality of power supply devices at the same time, the control chip 10 controls the plurality of terminals simultaneously by the plurality of second pins 12a, 12b, and 12c. The power switch modules 31, 32, 33 are turned on, and the plurality of power pins are controlled by the plurality of third pins 13a, 13b, 13c to start supplying the main power signal. In this way, the control chip 10 can know how many power supply devices can currently supply power to the computer system 1, and can also know how much energy each power supply device can supply, further by the third pins 13a, 13b, 13c respectively. Adjusting the wattage of the main power signal supplied by each power supply device, sharing the burden of each power supply device, and obtaining better power supply efficiency.

The computer system 1 further includes a plurality of sub power switch modules 41, 42, 43 and a plurality of inverters 51, 52, 53 and a sub power module 62. The sub power module 62 is for supplying a sub power signal, for example, a sub power signal of 5 volts, but the invention is not limited to this specification. The plurality of sub power switch modules 41, 42, 43 are electrically connected to the control wafer 10. When the control chip 10 determines that the external device 2 connected to the universal serial bus bar ports 21, 22, 23 is the powered device, the control chip 10 controls the corresponding sub power source from the plurality of sub power switch modules 41, 42, 43 The switch module is turned on to output the sub power signal to the powered device.

In the preferred embodiment of the present invention, the control chip 10 simultaneously controls the plurality of main power switch modules 31, 32, 33 and the plurality of sub power switch modules 41, 42 by using the second pins 12a, 12b, 12c. 43, 43. Therefore, the computer system 1 further includes a plurality of inverters 51, 52, 53. The plurality of inverters 51, 52, 53 are electrically connected to the second pins 12a, 12b, 12c of the control chip 10 and a plurality of auxiliary power sources. Between the switch modules 41, 42, 43. Thereby, the control chip 10 can simultaneously control the plurality of main power switch modules 31, 32, 33 and the plurality of sub power switch modules 41, 42, 43 by using the second pins 12a, 12b, 12c without setting additional The pin.

That is, when the control chip 10 determines that the external device 2 connected to the universal serial bus bar 21 is a powered device, the control chip 10 simultaneously controls the main power switch module 31 to be turned off and controls the sub power switch by using the second pin 12a. The module 41 is turned on to output the sub power signal from the sub power module 62 to the powered device.

It should be noted that, in addition to being configurable as a hardware device, a software program, a firmware, or a combination thereof, each of the above modules may also be configured by a circuit loop or other suitable type; and, in addition, each module may be configured in a separate type. It can also be combined with the type configuration. In a preferred embodiment, each module is stored in a software program on a memory, and each module is executed by the processor to achieve the functions of the present invention. In addition, the present embodiment is merely illustrative of preferred embodiments of the present invention, and in order to avoid redundancy, all possible combinations of variations are not described in detail. However, those of ordinary skill in the art will appreciate that the various modules or components described above are not necessarily required. In order to implement the invention, other well-known modules or elements of more detail may also be included. Each module or component may be omitted or modified as needed, and no other modules or components may exist between any two modules.

Next, please refer to FIG. 2, which is a flow chart of the steps of the method for power supply of the present invention. It should be noted here that although the computer system 1 is taken as an example to describe the power supply method of the present invention, the power supply method of the present invention is not limited to the use of the computer system 1.

First, step 201 is performed: determining whether the universal serial bus connection port is connected to at least one external device.

First, the control wafer 10 is connected to the plurality of general-purpose serial bus ports 21, 22, 23 by the first pins 11a, 11b, 11c to determine whether any of the universal sequence bus bars 21, 22, 23 are connected. At least one external device 2 is provided.

When a certain general-purpose serial bus connection port 21, 22, 23 is connected to the external device 2, the control chip 10 further performs step 202: determining the type of the at least one external device.

At this time, the control wafer 10 further judges the type of the connected external device 2 by the first pins 11a, 11b, and 11c.

When the control chip 10 determines that the at least one external device 2 is a power supply device, step 203 is executed to control a corresponding main power switch module to be turned on from the plurality of main power switch modules.

Then, the control chip 10 controls a corresponding main power switch module to be turned on from the plurality of main power switch modules 31, 32, 33 by the second pins 12a, 12b, 12c.

Step 204: Control the power supply device to start supplying the main power signal to be transmitted to a main power module via the corresponding main power switch module.

The control chip 10 controls the power supply device to start supplying the main power signal by the third pins 13a, 13b, 13c. The main power signal is transmitted to the main power module 61, and the main power module 61 receives and stores the main power signal for use by the computer system 1. If the control chip 10 determines in step 203 that the plurality of main power switch modules 31, 32, 33 are electrically connected to the plurality of power supply devices at the same time, the control chip 10 is simultaneously controlled by the plurality of second pins 12a, 12b, 12c. The plurality of main power switch modules 31, 32, 33 are turned on, and in step 204, the plurality of power pins are controlled by the plurality of third pins 13a, 13b, 13c to simultaneously supply the main power signal.

When it is determined in step 202 that the at least one external device 2 is a powered device, step 205 is performed to control a corresponding secondary power switch module to be turned on.

When the control chip 10 determines that the external device 2 connected to the universal serial bus bar ports 21, 22, 23 is the powered device, the control chip 10 controls the corresponding sub power source from the plurality of main power switch modules 31, 32, 33. The switch module is turned on.

Finally, step 206 is performed: supplying a power signal to the powered device.

Finally, the control chip 10 controls the sub power module 62 to output the sub power signal to the powered device.

It should be noted that the method for balancing signals of the present invention is not limited to the above-described sequence of steps, and the order of steps described above may be changed as long as the object of the present invention can be achieved.

To sum up, the present invention, regardless of its purpose, means and efficacy, shows its distinctive features of the prior art. You are requested to review the examination and express the patent as soon as possible. It should be noted that the various embodiments described above are merely illustrative for ease of explanation, and the scope of the invention is intended to be limited by the scope of the claims.

1‧‧‧ computer system
21‧‧‧External devices
10‧‧‧Control chip
11a, 11b, 11c‧‧‧ first pin
12a, 12b, 12c‧‧‧ second pin
13a, 13b, 13c‧‧‧ third pin
21, 22, 23‧‧‧ General Sequence Bus Connections埠
31, 32, 33‧‧‧ main power switch module
41, 42, 43‧‧‧Sub power switch module
51, 52, 53‧‧‧ reverser
61‧‧‧Main power module
62‧‧‧Sub power module

1A is a schematic diagram of a circuit architecture of a computer system of the present invention. 1B is a schematic diagram of a pin of a control chip of the computer system of the present invention. 2 is a flow chart showing the steps of the method of power supply of the present invention.

1‧‧‧ computer system

2‧‧‧External devices

10‧‧‧Control chip

11a, 11b, 11c‧‧‧ first pin

12a, 12b, 12c‧‧‧ second pin

13a, 13b, 13c‧‧‧ third pin

21, 22, 23‧‧‧ General Sequence Bus Connections埠

31, 32, 33‧‧‧ main power switch module

41, 42, 43‧‧‧Sub power switch module

51, 52, 53‧‧‧ reverser

61‧‧‧Main power module

62‧‧‧Sub power module

Claims (10)

A computer system is electrically connected to a power supply device for receiving a main power signal, the computer system comprising: a plurality of universal serial bus bar ports for electrically connecting to at least one external device; and a control chip having a plurality of a first pin, a plurality of second pins, and a plurality of third pins, wherein the control chip is electrically connected to the plurality of universal serial bus bar connections to determine the complex number by using the plurality of first pins Whether the universal serial bus bar is connected to the at least one external device, and thereby further determining the type of the at least one external device; the plurality of main power switch modules are electrically connected to the control chip, wherein the control When the chip determines that the at least one external device is the power supply device, the control chip controls a corresponding main power switch module to be turned on from the plurality of main power switch modules by a corresponding second pin, and Corresponding to the third pin, the power supply device starts to supply the main power signal; and a main power module is electrically connected to the plurality of main power switch modules for The received signal of the main power supply of the device. The computer system of claim 1, further comprising: a power module for supplying a power signal; and a plurality of auxiliary power switch modules electrically connected to the control chip and the auxiliary power source a module, wherein when the control chip determines that the at least one external device is a powered device, the control chip controls a corresponding auxiliary power switch module to be turned on from the plurality of main power switch modules to enable the auxiliary power signal Output to the powered device. The computer system of claim 2, further comprising a plurality of inverters electrically connected between the plurality of second pins of the control chip and the plurality of sub-power switch modules The control chip is configured to simultaneously control the plurality of main power switch modules and the plurality of sub power switch modules by using the plurality of second pins. The computer system of claim 1, wherein when the control chip determines that the plurality of main power switch modules are electrically connected to the plurality of power supply devices simultaneously, the control chip is by the second pin of the plurality The plurality of main power switch modules are controlled to be turned on, and the plurality of power supply devices are controlled to start supplying the main power signal by the plurality of third pins. The computer system of claim 4, wherein the control chip further adjusts the wattage of the main power signal supplied by each power supply device by the plurality of third pins respectively. A method of supplying power to a computer system, the computer system being electrically connected to a power supply device for receiving a main power signal; the method comprising the steps of: determining whether a plurality of universal serial bus connections are connected to at least one Determining the type of the at least one external device; when determining that the at least one external device is a power supply device, controlling a corresponding main power switch module to be turned on from the plurality of main power switch modules; and controlling the power supply The device begins to supply the main power signal for transmission to a main power module via the corresponding main power switch module. The method of power supply according to claim 6, further comprising the steps of: controlling a corresponding sub power switch module to be turned on when determining that the at least one external device is a powered device; and supplying a power source The signal is output to the powered device. The method of power supply according to claim 7 further includes the following steps: simultaneously controlling the corresponding main power switch module and the corresponding sub power switch module by using the same pin. The method for supplying power according to claim 6 further includes the following steps: when determining that the plurality of main power switch modules are electrically connected to the plurality of power supply devices at the same time, controlling the plurality of main power switch modules Turning on; and controlling the plurality of power supply devices to simultaneously supply the main power signal. The method of power supply according to claim 9 further includes the step of separately adjusting the wattage of the main power signal supplied by each power supply device.