TWI538327B - Charge adapter and charge method for an electronic device - Google Patents

Description

Charging adapter and charging method of electronic device

The present invention relates to a charging component and a charging method, and more particularly to a charging adapter and a charging method of an electronic device.

With the development of technology, electronic 3C products have become almost a must in everybody's life. Among them, mobile phones or computers (such as tablets) are the most representative electronic products. This also means that how to conveniently charge electronic products has become an important issue.

At present, there are two charging methods for more common electronic products: direct power charging and USB charging. However, sometimes users go out and there is no need to have charging conditions available due to environmental concerns. For example, the direct power supply requires a DC power supply; the USB charging method now relies mainly on a personal computer or a notebook computer. However, after all, a personal computer or a notebook computer is a product that is inconvenient to carry, so such a USB charging method is obviously not convenient for the user.

In view of this, the present invention provides a charging adapter and a charging method of the electronic device.

In accordance with the above objects, the present invention provides a charging adapter that includes a adapter body. The adapter body comprises a USB circuit, and the USB circuit has a ground line, a power line, a first data line, a second data line and an ID line; a first end of the ground line, the power line, the first data line and the second data line Forming a first USB port; the second end of the ground line, the power line, the first data line, the second data line, and the ID line form a second USB port, wherein the first data line and the second data line are electrically connected to each other A short circuit is formed, and the first end and the second end of the ID line are electrically connected to the power line.

According to the charging adapter of the embodiment of the present invention, the USB circuit further includes a switch, and the switch is configured to electrically cut off the first end and the second end of the ID line from the power line to make the ID line first. The terminal and the second end are electrically connected to the grounding wire.

According to the charging adapter of the embodiment of the invention, the first USB port is a USB slot having four pins.

According to the charging adapter of the embodiment of the invention, the second USB port is a micro USB plug having five pins.

The invention further provides a charging method for an electronic device, comprising: providing a connector body, the adapter body comprising a USB circuit, the USB circuit having a ground line, a power line, a first data line, a second data line and an ID line. The first end of the grounding wire, the power supply line, the first data line and the second data line constitute a first USB port, and the second end of the ground line, the power line, the first data line, the second data line and the ID line form a first Two USB ports. The first data line and the second data line are electrically connected to each other to form a short circuit, and the first end and the second end of the ID line are electrically connected to the power line; the USB transmission line is provided, and the USB transmission line includes the third USB port and the fourth a USB port, wherein the third USB port corresponds to the first USB port; the third USB port is connected to the first USB port; the second USB port is connected to the first electronic device; and the fourth USB port is connected Connecting to the second electronic device; determining, by the first electronic device, whether the first data line and the second data line are short-circuited; if the first electronic device determines that the first data line and the second data line are short-circuited, the first electronic device further Determining whether the first end and the second end of the ID line are electrically connected to the power line; and if the first electronic device determines that the first end and the second end of the ID line are electrically connected to the power line, the first electronic device pairs The two electronic devices are charged.

According to the charging method of the electronic device according to the embodiment of the present invention, the USB circuit further includes a switch, and the charging method of the electronic device further includes: electrically switching the first end and the second end of the ID line away from the power line by using the switch So that the first end and the second end of the ID line are electrically connected to the ground line.

According to the charging method of the electronic device according to the embodiment of the invention, the first USB port is a USB socket having four pins.

According to the charging method of the electronic device according to the embodiment of the invention, the second USB port is a micro USB plug having five pins.

According to the charging method of the electronic device according to the embodiment of the invention, the first electronic device is a mobile phone.

According to the charging method of the electronic device according to the embodiment of the invention, the second electronic device is a mobile phone.

One of the features of the embodiments of the present invention is that the charging adapter can be used to directly charge another electronic device that does not have electrical energy to an electronic device having electrical energy.

1‧‧‧Charging adapter

10‧‧‧Adapter body

100‧‧‧USB circuit

100a‧‧‧ Grounding wire

100b‧‧‧Power cord

100c‧‧‧First data line

100d‧‧‧second data line

101‧‧‧First USB port埠

101a‧‧‧USB slot

102‧‧‧Second USB port埠

102a‧‧‧Micro USB plug

2‧‧‧USB transmission line

21‧‧‧ Third USB port埠

22‧‧‧ Fourth USB port埠

31‧‧‧First electronic device

32‧‧‧Second electronic device

S100~S170‧‧‧Steps

1A is a schematic view showing the appearance of a charging adapter according to an embodiment of the present invention.

FIG. 1B is a schematic circuit diagram of the charging adapter of FIG. 1A.

2 is a flow chart of a charging method of an electronic device according to an embodiment of the invention.

FIG. 3A is a schematic diagram of the first USB port and the second USB port connected to the charging adapter of the two electronic devices respectively.

FIG. 3B is a schematic diagram of the circuit after the electronic device of FIG. 3A is connected to the charging adapter.

4 is a schematic circuit diagram of a charging adapter according to another embodiment of the present invention.

The above described objects, features, and characteristics of the present invention will become more apparent from the aspects of the invention.

Please refer to FIG. 1A and FIG. 1B. FIG. 1A is a schematic diagram of the appearance of a charging adapter according to an embodiment of the present invention. FIG. 1B is a schematic circuit diagram of the charging adapter of FIG. 1A.

As shown in FIGS. 1A and 1B, the charging adapter 1 includes a adapter body 10. The adapter body 10 includes a USB circuit 100.

The USB circuit 100 is a standard 5 pin micro USB (Micro USB) circuit. The USB circuit 100 has a ground line 100a (for example, ground, GND), a power line 100b (for example, positive (+5V), VBUS), a first data line 100c (for example, data line, D+), and a second data line 100d. (for example: data line, D-) and ID line (in two types, Can be grounded or not grounded).

The ground line 100a, the power line 100b, the first data line 100c and the first end of the second data line 100d constitute a first USB port 101; the ground line 100a, the power line 100b, the first data line 100c, and the second data The line 100d and the second end of the ID line form a second USB port 102.

The first data line 100c and the second data line 100d are electrically connected to each other to form a short circuit, and the first end and the second end of the ID line are electrically connected to the power line 100b.

The first data line 100c and the second data line 100d are electrically connected to each other to form a short circuit, and the electronic device determines whether the charging adapter 1 is a specially designed adapter, and then the electronic device determines whether to enter a charging mode. .

In addition, in this embodiment, the first USB port 101 is a USB slot 101a having four pins; the second USE port 102 is a micro USB plug with five pins. 102a, but is not limited to this.

Please refer to FIG. 2, FIG. 3A and FIG. 3B. FIG. 2 is a flowchart of a charging method of an electronic device according to an embodiment of the present invention; FIG. 3A is a first USB port and a second electronic device connected to a charging adapter respectively. 2 is a schematic diagram of a USB port; FIG. 3B is a schematic diagram of the circuit after the electronic device of FIG. 3A is connected to the charging adapter.

The charging method of the electronic device comprises the following steps: providing a connector body, the connector body comprises a USB circuit, and the USB circuit has a ground line, a power line, a first data line, a second data line and an ID line, a ground line, a power line The first end of the first data line and the second data line form a first USB port, and the second end of the ground line, the power line, the first data line, the second data line and the ID line form a second USB port, The first data line and the second data line are electrically connected to each other to form a short circuit, and the first end and the second end of the ID line are electrically connected to the power line (step S100); the USB transmission line is provided, and the USB transmission line includes the third USB connection. And a fourth USB port, wherein the third USB port corresponds to the first USB port (step S110); the third USB port is connected to the first USB port (step S120); the second USB port is connected To the first electronic device (step S130); connecting the fourth USB port to the second electronic device a device (step S140); determining, by the first electronic device, whether the first data line and the second data line are short-circuited (step S150); if the first electronic device determines that the first data line and the second data line are short-circuited, the first The electronic device further determines whether the first end and the second end of the ID line are electrically connected to the power line (step S160); if the first electronic device determines that the first end and the second end of the ID line are electrically connected to the power line, Then, the first electronic device charges the second electronic device (step S170).

First, when the power of the second electronic device 32 is exhausted and cannot be turned on, the user can charge the second electronic device 32 through the charging adapter 1 by the first electronic device 31 having the electrical energy.

In this embodiment, the first electronic device 31 and the second electronic device 32 are described by a mobile phone, and may be a tablet computer or other portable electronic device in actual use; in addition, the first electronic device 31 (with The second electronic device 32) may be further equipped with a charging software or a program for supporting the charging adapter 1, but is not limited thereto.

The charging adapter 1 includes a adapter body 10 (step S100). The structure and circuit characteristics of the adapter body 10 have been described above, and will not be further described herein for the sake of brevity.

Next, a USB transmission line 2 can be connected to the USB slot 101a of the charging adapter 1. The USB transmission line 2 includes a third USB port 21 and a fourth USB port 22 . The third USB port 21 corresponds to the first USB port 101 (step S110). That is, the third USB port 21 has a line electrically corresponding to the ground line 100a of the first USB port 101 (USB slot 101a), the power line 100b, the first data line 100c, and the second data line 100d.

Thereafter, the third USB port 21 can be connected to the first USB port 101 (USB slot 101a) (step S120); and the second USB port 102 (micro USB plug 102a) is connected to the first electronic device 31. (Step S130); and the fourth USB port 22 (a five-pin micro USB plug) is connected to the second electronic device 32 (step S140).

After the first electronic device 31 and the second electronic device 32 are electrically connected to each other through the charging adapter 1 and the USB transmission line 2, the first electronic device 31 It is judged whether the first data line 100c and the second data line 100d are short-circuited (step S150) to determine whether the charging adapter 1 is a specially designed adapter, so that the first electronic device 31 determines whether to enter the charging mode.

If the first electronic device 31 determines that the first data line 100c and the second data line 100d are short-circuited, the first electronic device 31 further determines whether the first end and the second end of the ID line of the adapter body 10 are electrically connected to The power supply line 100b (step S160). If the first electronic device 31 determines that the first end and the second end of the ID line of the adapter body 10 are electrically connected to the power line 100b, the first electronic device 31 charges the second electronic device 32 (step S170). .

In this embodiment, since the first end and the second end of the ID line of the adapter body 10 are electrically connected to the power line 100b, the first electronic device 31 determines that it is directly used as the power supply side. The second electronic device 32 (power receiving party) is charged. In addition, the first electronic device 31 can enter the standby mode with the charging software or the program, and the related information (for example, setting current or output current) can be displayed on the screen.

It can be seen that the charging device 1 can be used to charge the second electronic device 32 having no electrical energy to the first electronic device 31 having electrical energy. Moreover, since both the first electronic device 31 and the second electronic device 32 are portable mobile phones (or tablet computers), the charging adapter 1 is used to make the mobile phone and the mobile phone or the mobile phone with the current mobile phone universal life. Direct charging between tablets is extremely convenient.

Please refer to FIG. 4. FIG. 4 is a schematic circuit diagram of a charging adapter according to another embodiment of the present invention.

As shown in FIG. 4, this embodiment differs from FIG. 3B only in that the USB circuit further includes a switch (not shown). The switch is configured to electrically cut the first end and the second end of the ID line away from the power line 100b to electrically connect the first end and the second end of the ID line to the ground line 100a.

Accordingly, after determining that the first data line 100c and the second data line 100d are short-circuited, the first electronic device 31 does not charge the second electronic device 32 (power receiving party). Wherein, the switch may be disposed outside the casing of the adapter body 10 to It is determined by the user to switch whether the second electronic device 32 is charged by the first electronic device 31.

In summary, the present invention is only described as a preferred embodiment or embodiment of the technical means for solving the problem, and is not intended to limit the scope of the invention. That is, the equivalent changes and modifications made in accordance with the scope of the patent application of the present invention or the scope of the invention are covered by the scope of the invention.

10‧‧‧Adapter body

100‧‧‧USB circuit

100a‧‧‧ Grounding wire

100b‧‧‧Power cord

100c‧‧‧First data line

100d‧‧‧second data line

101‧‧‧First USB port埠

102‧‧‧Second USB port埠

102a‧‧‧Micro USB plug

Claims (9)

A charging adapter includes: a connector body comprising a USB circuit, the USB circuit having a ground line, a power line, a first data line, a second data line, an ID line, and a switch The ground line, the power line, the first data line and the first end of the second data line form a first USB port, the ground line, the power line, the first data line, and the second data The second end of the line and the second line form a second USB port, wherein the first data line and the second data line are electrically connected to each other to form a short circuit, and the first end and the second end of the ID line are electrically connected. Connected to the power line, the switch is used to electrically disconnect the first end and the second end of the ID line from the power line, so that the first end and the second end of the ID line are electrically connected to the ground line. The charging adapter of claim 1, wherein the first USB port is a USB slot having four pins. The charging adapter of claim 1, wherein the second USB port is a micro USB plug having five pins. A charging method for an electronic device, comprising: providing a connector body, the adapter body comprising a USB circuit, the USB circuit having a ground line, a power line, a first data line, and a second data line An ID line, the ground line, the power line, the first data line and the first end of the second data line form a first USB port, the ground line, the power line, the first data line, the The second data line and the second end of the ID line form a second USB port, wherein the first data line and the second data line are electrically connected to each other to form a short circuit, and the first end and the second end of the ID line The terminal is electrically connected to the power line; and provides a USB transmission line, the USB transmission line includes a third USB port and a fourth USB port, wherein the third USB port corresponds to the first USB port; a third USB port connected to the first USB port; connecting the second USB port to a first electronic device; connecting the fourth USB port to a second electronic device; determining by the first electronic device Whether the first data line and the second data line are If the first electronic device determines that the first data line and the second data line are short-circuited, the first electronic device further determines whether the first end and the second end of the ID line are electrically connected to the power source. And the first electronic device charges the second electronic device if the first electronic device determines that the first end and the second end of the ID line are electrically connected to the power line. The charging method of the electronic device of claim 4, wherein the USB circuit further comprises a switch, the charging method of the electronic device further comprises: using the switch to switch the first end and the second end of the ID line The power line is electrically disconnected to electrically connect the first end and the second end of the ID line to the ground line. The charging method of the electronic device of claim 4, wherein the first USB port is a USB slot having four pins. The charging method of the electronic device of claim 4, wherein the second USB port is a micro USB plug having five pins. The charging method of the electronic device of claim 4, wherein the first electronic device is a mobile phone. The charging method of the electronic device of claim 4, wherein the second electronic device is a mobile phone.