TWM446926U - Power supply apparatus with standby power - Google Patents

Abstract

A power supply apparatus with a standby power is operated to a computer host and electrically connected to an external AC power source. The power supply apparatus includes a main power supply, an auxiliary power converter, and at least one power connector. The main power supply receives the external AC power source and converts the AC power source into a DC power voltage. The main power supply is substantially an ATX power supply with standard output voltages. The auxiliary power converter receives the DC power voltage and converts the DC power voltage into a 19-volt DC standby voltage. The at least one power connector is electrically connected to the auxiliary power converter to output the 19-volt DC standby voltage. The 19-volt DC standby voltage is used to supply electricity to an external peripheral device whenever the computer host is in a powered-on condition or a powered-off condition.

Description

Power supply device with standby power supply

The present invention relates to a power supply device with a standby power supply, especially a power supply device with a standby power supply for supplying power to an external peripheral device when the computer host is turned on or not turned on.

The ATX power supply (advanced technology extended power supply) provides the power required by the computer in addition to the power required by the computer at boot time. When the computer is turned off, it provides the power required for event wake-up when the computer is in standby state. +5V standby (+5Vsb) definition specification. Standby power (as the name suggests) is used to provide a soft boot, computer peripherals boot, network device boot ... and so on, in other words, as long as there is external AC power, +5Vsb is always on standby.

Please refer to the first figure, which is a perspective view of a prior art power supply for a desktop computer with a USB port for charging. This technology is disclosed in the Republic of China new patent M425507. The desktop mainframe power supply 100 having a USB plug for charging is installed in a computer 20. The power supply 100 has a casing, and a power access socket, a manual switch and at least one USB port are disposed on the back of the casing. The housing also extends a plurality of connector plugs for connection to one of the motherboards 21 of the computer 20. The motherboard 21 is an ATX (Advanced Technology Extended) motherboard.

Inside the casing is a fan and a power supply system. After the power supply system is plugged into the power line from the power access socket to obtain the commercial power, the +5Vsb auxiliary power supply of the power supply system starts to work, and outputs two voltages, wherein one +5Vsb voltage output is connected to the motherboard of the computer 20 The power monitoring component is used as the working voltage, so that the operating system of the computer 20 can directly manage the power, and the computer 20 wake-up function is completed by this function. The other +5Vsb output voltage is directly connected to the USB port for output. The USB port added to the power supply can use the USB port to provide high charging current to the mobile phone, tablet computer, MP4, etc. as long as the power supply is connected to the power supply, even if the computer is not working. Achieve charging function.

Therefore, the creator of this case has taken a different approach, and then proposed a power supply device with standby power supply, operating on a computer host, and connecting an external AC power supply to a 19 volt DC standby voltage, so that when the computer host is powered on or not In the case of power-on, it is used to provide power for external peripherals, especially for notebook computers.

One of the aims of the present invention is to provide a power supply device with a standby power source to overcome the problems of the prior art. Therefore, the power supply device with standby power supply of the present invention is operated on a computer host and electrically connected to an external AC power source. The power supply device includes a main power supply, an auxiliary power converter, and at least one power connector. The main power supply receives the external AC power and converts the AC power to a DC power supply voltage. The auxiliary power converter receives the DC power supply voltage and converts the DC power supply voltage to a 19 volt DC standby voltage. The at least one power connector is electrically connected to the auxiliary power converter to provide the 19 volt DC standby voltage output. The 19 volt DC standby voltage output by the power supply device is used to provide power to the external peripheral device when the host computer is turned on or not turned on.

In order to further understand the techniques, means and effects of this creation in order to achieve the intended purpose, please refer to the following detailed description and drawings of this creation. I believe that the purpose, characteristics and characteristics of this creation can be obtained in this way. The detailed description is to be understood as merely illustrative and not restrictive

The technical content and detailed description of this creation are as follows:

Please refer to the second figure, which is a block diagram of a power supply device for creating a standby power supply. The standby power supply device 10 is operated on a computer host 20 (please refer to FIG. 3A), and is electrically connected to an external AC power supply Vac. The AC power supply Vac is an external AC utility power. The power supply device 10 includes a main power supply 102, an auxiliary power converter 104, and at least one power connector 106. The main power supply 102 receives the external AC power supply Vac and converts the AC power supply Vac to a DC power supply voltage Vdc. The main power supply 102 is substantially an ATX (advanced technology extended) power supply capable of providing a standard output voltage, wherein the standard output voltage is +12 volts, -12 volts, +5 volts, -5 volts, +3.3 volts, +5 Vsb volts. The auxiliary power converter 104 receives the DC power supply voltage Vdc and converts the DC power supply voltage Vdc into a DC standby voltage Vsb. In the present creation, the preferred embodiment of the DC standby voltage Vsb is a 19 volt standby voltage (+19-volt standby voltage, +19 Vsb). The at least one power connector 106 is electrically connected to the auxiliary power converter 104 to provide the 19 volt DC standby voltage + 19 Vsb output. The 19 volt DC standby voltage +19Vsb output by the power supply device 10 is used to provide power supply to the external peripheral device 30 when the computer host 20 is turned on or not turned on. The power connector 106 is a DC power Jack, but is not limited thereto.

In addition, the power supply device 10 with standby power supply further includes at least one power connection line 108 (please refer to FIG. 3A for cooperation). The power connection line 108 is correspondingly connected to the at least one power connector 106 to provide at least one set of the 19 volt DC standby voltage +19 Vsb to power at least one of the external peripheral devices 30. That is, if the power supply device 10 has three sets of 19 volt DC standby voltages +19 Vsb output in parallel from the auxiliary power converter 104, the number of the power connectors 106 can be three, and each of the power supplies The connector 106 can be connected to one of the power connection lines 108 to provide at least one set of the 19 volt DC standby voltage +19 Vsb to power the at least one external peripheral device 30. It is worth mentioning that the external peripheral device 30 is a notebook computer, but not limited thereto.

Please refer to FIG. 3A and FIG. 3B respectively, which are schematic perspective views of the first embodiment and the second embodiment of the power connector and the power connection cable. The power connector 106 of the first embodiment (third A diagram) is exposedly disposed on the front panel of the computer main body 20. Moreover, the power connection line 108 can be plugged into the power connector 106 and transmitted through the line length of the power connection line 108, and the 19 volt DC standby voltage converted by the auxiliary power converter 104 can be + 19Vsb provides power for the external peripheral device 30. The power connector 106 of the second embodiment (the third B) is exposed on the rear panel of the computer main body 20. Similarly, the power cable 108 can be plugged into the power connector 106. And through the line length of the power connection line 108, the 19 volt DC standby voltage +19Vsb converted by the auxiliary power converter 104 can be used to provide power to the external peripheral device 30.

Please refer to FIG. 3C, which is a perspective view of a third embodiment for creating a power connector and the power cable. The power connector 106 of the third embodiment (third C) is exposedly disposed on the outer casing of the main power supply 102. Moreover, the power connection line 108 can be plugged into the power connector 106 and transmitted through the line length of the power connection line 108, and the 19 volt DC standby voltage converted by the auxiliary power converter 104 can be + 19Vsb provides power for the external peripheral device 30.

Please refer to the third D, the third E and the third F, which are respectively front cross-sectional views of the fourth, fifth and sixth embodiments of the power connector for use with the power connection line. In the fourth, fifth, and sixth embodiments, the power connector 106 is exposed on the casing of the computer host 20. The casing of the computer mainframe 20 is the left side panel of the computer main body 20, the right side panel of the casing or the top plate of the casing. That is, the power connector 106 of the fourth embodiment (third D diagram) is exposedly disposed on the left side of the main power supply 102. Moreover, the power connection line 108 can be plugged into the power connector 106 and transmitted through the line length of the power connection line 108, and the 19 volt DC standby voltage converted by the auxiliary power converter 104 can be + 19Vsb provides power for the external peripheral device 30. Similarly, the fifth embodiment (the third E diagram) and the sixth embodiment (the third F diagram) are configured by the power connector 106 at different positions of the casing of the computer main body 20 through the power connection line. The power connector 106 is plugged into the power connector 106 and passed through the line length of the power cable 108. The 19 volt DC standby voltage +19Vsb converted by the auxiliary power converter 104 can be supplied to the external peripheral device 30. Use.

Please refer to the fourth figure, which is a schematic diagram of the power supply device with the standby power supply applied to a notebook computer. As described above, the 19 volt DC standby voltage +19Vsb output by the power supply device 10 is used to provide power to the external peripheral device 30 when the computer host 20 is turned on or off. The external peripheral device 30 is the notebook computer. In this embodiment, the power connector 106 is exposed on the rear panel of the computer main body 20 (as shown in the second embodiment), and the power connection cable 108 is plugged into the power connector 106, and Through the line length of the power connection line 108, the 19 volt DC standby voltage +19Vsb converted by the auxiliary power converter 104 can be used to supply power to the notebook computer 30. It is to be noted that, in this embodiment, since the power supply device 10 with standby power is applied to the notebook computer 30, the power connection cable 108 has a DC power Jack connector 1082 at one end and the other end. The power connector of the notebook plug connector 1084, but not limited to this. The two-terminal plug connector of the power connection line 108 can be flexibly adjusted and changed according to the form of the power connector 106 and the type of the external peripheral device 30.

Please refer to the fifth figure, which is a circuit diagram of an auxiliary power converter for creating a power supply device. In conjunction with the second diagram, the power supply device 10 includes the main power supply 102, the auxiliary power converter 104, and the power connector 106. The main power supply 102 receives the external AC power supply Vac and converts the AC power supply Vac to the DC power supply voltage Vdc. The auxiliary power converter 104 receives the DC power supply voltage Vdc and converts the DC power supply voltage Vdc to the 19 volt DC standby voltage +19 Vsb. The auxiliary power converter 104 converts the DC power supply voltage Vdc through a transformer T2, and converts one of the transformers T2 and the secondary side turns ratio into a 19 volt DC standby voltage +19Vsb output. The computer host 20 is powered on or off to provide power to the external peripheral device 30. In addition, the auxiliary power converter 104 further includes an output voltage regulator circuit (not shown), and an optocoupler is used to achieve an isolated feedback voltage regulation effect.

In summary, this creative department has the following advantages:

1. The 19 volt DC standby voltage +19Vsb output by the power supply device can be used to provide power supply to the external peripheral device 30 when the computer host 20 is powered on or not turned on;

2. The front panel and the rear panel of the computer main body 20 are disposed on the front panel of the mainframe 20 of the computer main body 20, the left side panel of the mainframe of the computer, the top panel of the cabinet, or the outer casing of the main power supply 102 through one or more power connectors 106. In addition, the corresponding power connection line 108 can be used to provide a more flexible and convenient plug-in operation.

However, the above description is only for the detailed description and the drawings of the preferred embodiments of the present invention, but the features of the present invention are not limited thereto, and are not intended to limit the creation. All the scope of the creation should be as follows. The scope of patents shall prevail, and all embodiments that incorporate the spirit of the patent application scope and similar changes shall be included in the scope of this creation. Anyone familiar with the art may easily think of it in the field of this creation. Variations or modifications may be covered by the patents in this case below.

[prior art]

100‧‧‧Power supply

20‧‧‧ computer

21‧‧‧ motherboard

[this creation]

10‧‧‧Power supply unit with standby power supply

102‧‧‧Main power supply

104‧‧‧Auxiliary power converter

106‧‧‧Power connector

108‧‧‧Power cable

1082‧‧‧ Plug connector

1084‧‧‧ Plug connector

20‧‧‧Computer host

30‧‧‧External peripheral equipment

Vac‧‧‧External AC power supply

Vdc‧‧‧DC power supply voltage

Vsb‧‧‧DC standby voltage

+19Vsb‧‧19 volt DC standby voltage

T2‧‧‧ transformer

The first figure is a perspective view of a prior art power supply for a desktop computer having a USB port for charging;

The second figure is a block diagram of a power supply device for creating a standby power supply;

The third embodiment is a perspective view of the first embodiment in which a power connector is used in conjunction with a power connection line;

The third B diagram is a perspective view of the second embodiment of the power connector and the power connection cable;

The third C diagram is a perspective view of the third embodiment in which the power connector is used in conjunction with the power connection line;

3D is a front cross-sectional view of a fourth embodiment for creating a power connector for use with the power connection line;

The third E diagram is a front cross-sectional view of the fifth embodiment for creating the power connector and the power connection line;

The third F diagram is a front cross-sectional view of a sixth embodiment for creating a power connector for use with the power connection line;

The fourth figure is a three-dimensional schematic diagram of the power supply device with the standby power supply applied to a notebook computer;

The fifth figure is a circuit diagram of an auxiliary power converter for creating the power supply device.

20‧‧‧Computer host

30‧‧‧Note Computer

106‧‧‧Power connector

108‧‧‧Power cable

Claims (9)

A power supply device with a standby power supply is operated on a computer host and electrically connected to an external AC power supply, the power supply device comprising:
a main power supply that receives the external AC power and converts the AC power to a DC power supply voltage;
An auxiliary power converter receives the DC power supply voltage and converts the DC power supply voltage to a 19 volt standby voltage (+19-volt standby voltage); and at least one power connector electrically connected to the auxiliary power supply a converter to provide the 19 volt DC standby voltage output;
The 19 volt DC standby voltage output by the power supply device is used to provide power to the external peripheral device when the host computer is turned on or not turned on. The power supply device with standby power as described in claim 1, wherein the power supply device further comprises:
At least one power connection line is connected to the at least one power connector to provide at least one set of the 19 volt DC standby voltage to power at least one external peripheral device. The power supply device with standby power according to claim 1, wherein the at least one power connector is exposed to the front panel or the rear panel of the computer. The power supply device with standby power as described in claim 1, wherein the at least one power connector is exposedly disposed on a casing of the main power supply. The power supply device with a standby power source according to claim 1, wherein the at least one power connector is exposedly disposed on a casing of the computer mainframe. The power supply device with standby power according to claim 5, wherein the casing of the computer mainframe is the left side panel of the computer main body, the right side panel of the casing or the top plate of the casing. The power supply device with standby power as described in claim 1, wherein the power connector is a DC power Jack. The power supply device with standby power as described in claim 1, wherein the external peripheral device is a notebook computer. The power supply device with a standby power supply according to claim 2, wherein the at least one power connection cable is a power connection cable having a DC power Jack connector at one end and a notebook computer connector at the other end.