TWI487240B - Charging system, electronic equipment, charging device and method for automatically power off using same - Google Patents

Description

Charging system and corresponding electronic device and charging device and automatic power-off method

The present invention relates to a charging system, and more particularly to a charging system having an automatic power-off function, a corresponding electronic device and charging device, and an automatic power-off method.

Electronic devices such as mobile phones are becoming more powerful, but their powerful functions are killers of electricity. In order to prevent them from affecting our work and life due to insufficient power, timely charging is necessary. Although it can be recharged anytime and anywhere, while charging it, we are not likely to wait around the electronic device to be fully charged, so it is impossible to unplug the power supply in time, which inevitably causes the electronic device to overcharge. Although many manufacturers now have a protection circuit for preventing overcharging of the battery on the charger circuit of the electronic device, in fact, since some electronic components cannot be physically disconnected in a true sense, the battery will still be unplugged for a long time. There is a small amount of current to charge, which will cause long-term overcharge, there are some safety hazards, which will damage the battery life and waste power.

In view of this, it is necessary to provide a charging system with an automatic power-off function.

In addition, it is also necessary to provide an electronic device that can automatically power off.

In addition, it is also necessary to provide a charging device that can automatically power off.

In addition, it is also necessary to provide an automatic power-off method.

The charging system has an automatic power-off function, and includes an electronic device and a charging device that is pluggably connected between the power source and the electronic device, the charging device includes a charging terminal and a first magnetic component disposed on the charging terminal, The electronic device is provided with a second magnetic member corresponding to the first magnetic member, which comprises a housing, two sliding rail portions disposed at one end of the housing, and is fixed on the housing and located between the two sliding rail portions. a power receiving terminal, a second magnetic member fixed to the housing, a detecting unit connected to the power receiving terminal, and a switching unit respectively connected to the detecting unit and the second magnetic member; the charging terminal includes a rectangular hand-held portion and is connected to the handheld portion a rectangular plug and a sleeve body, the first magnetic member is disposed at an end of the sleeve body away from the hand-held portion, and the shape and structure of the sliding rail portion correspond to the shape and structure of the sleeve body, so that the sleeve body can slide through the sliding rail portion In and out of the electronic device, when the charging terminal is inserted into the electronic device and electrically connected to the power receiving terminal to charge the electronic device, the first magnetic member and the second magnetic member are opposite; the detecting unit is every The voltage value of the electronic device is automatically detected at a fixed time. The detection unit increases according to the voltage of the electronic device as the charging capacity increases. When the charging capacity reaches saturation, the voltage rises to a peak value, and the characteristic of the slow decline begins to be determined. Whether the electronic device is fully charged and sends a reversing signal to the commutation unit after the charging is completed; the reversing unit is configured to respond to the reversing signal to set a magnetic field direction of the second magnetic member to be between the second magnetic member and the first magnetic member The repulsive force is generated to push the sleeve body and the hand-held portion abutting the sleeve body and the plug connected to the hand-held portion to eject the charging device from the electronic device.

The electronic device capable of automatically powering off includes a housing and a power receiving terminal disposed on the housing and electrically connected to a charging terminal of the charging device, the electronic device further comprising two sliding rail portions disposed at one end of the housing, and disposed on the a second magnetic member on the housing connected to the power receiving a detecting unit of the terminal, a reversing unit connected to the second magnetic member and the detecting unit; the charging terminal comprises a rectangular hand-held portion, a rectangular plug connected to the hand-held portion, and a sleeve body, the first magnetic member being disposed on the sleeve body away from the hand-held portion At one end of the portion, the shape and structure of the sliding portion correspond to the shape and structure of the sleeve, so that the sleeve can slide into and out of the electronic device through the sliding portion, and the detecting unit automatically detects the electronic device at a fixed time. The voltage value, the detection unit according to the voltage of the electronic device will increase with the increase of the charging capacity, when the charging capacity reaches saturation, the voltage rises to a peak value, and then begins to slowly decline to determine whether the electronic device is fully charged. And sending a reversing signal to the reversing unit when charging is completed to generate a repulsive force between the second magnetic member and the first magnetic member, and pushing the sleeve body and the hand-held portion abutting the sleeve body and the plug connected to the hand-held portion to be charged The device ejects the electronic device; the commutating unit is configured to respond to the reversing signal to set the direction of the magnetic field of the second magnetic member.

The charging device that can be automatically powered off includes a charging terminal electrically connectable to a power receiving terminal in the electronic device, and the charging device further includes a first magnetic member disposed on the charging terminal.

The charging system automatically powers off the charging device to automatically eject the charged electronic device, wherein the charging device includes a charging terminal and a first magnetic component disposed on the charging terminal, and the electronic device is provided with a magnetic member corresponding to the second magnetic member, comprising a housing, two sliding rail portions disposed at one end of the housing, a power receiving terminal fixed between the two sliding rail portions and fixed to the housing, and fixed to the shell a second magnetic member on the body, a detecting unit connected to the power receiving terminal, and a commutating unit respectively connected to the detecting unit and the second magnetic member, the charging terminal comprising a rectangular hand-held portion, a rectangular plug connected to the hand-held portion, and a sleeve body The first magnetic member is disposed at an end of the sleeve away from the handheld portion, and the shape and structure of the sliding portion correspond to the shape and structure of the sleeve So that the sleeve can slide into and out of the electronic device through the slide portion, and when the charging terminal of the charging device is electrically connected to the power receiving terminal in the electronic device, the first magnetic member and the second magnetic member are opposite; the method includes The following steps: automatically detecting the voltage value of the electronic device at a fixed time, the detection unit according to the voltage of the electronic device will increase with the increase of the charging capacity, when the charging capacity reaches saturation, the voltage rises to a peak, and begins to start The characteristic of slow decline determines whether the electronic device is fully charged; if the electronic device has completed charging, the magnetic field direction of the second magnetic member is set to generate a repulsive force between the second magnetic member and the first magnetic member to push the sleeve and abut The charging device is ejected from the electronic device by the hand-held portion of the sleeve and the plug connected to the hand-held portion.

The charging system with automatic power-off function and the corresponding electronic device and charging device and the automatic power-off method can cut off the power supply in time after the charging of the electronic device is completed, so that the physical power-off in a true sense can prevent the battery from passing through. Charging makes the charging safe and reliable, does not damage the battery life, and can save energy.

10‧‧‧Charging system

70‧‧‧Power supply

100‧‧‧Charging device

101‧‧‧First magnetic parts

103‧‧‧Charging terminal

300‧‧‧Electronic equipment

301‧‧‧Receiving terminal

303‧‧‧Second magnetic parts

305‧‧‧Detection unit

307‧‧‧Commutation unit

1032‧‧‧ body

1034‧‧‧Rectangular plug

1 is a block diagram of a preferred embodiment of a charging system.

2 is a schematic perspective view of the charging system of FIG. 1.

3 is an exploded perspective view of the charging system shown in FIG. 2.

4 is a flow chart of a preferred embodiment of an automatic power down method.

Referring to FIGS. 1 through 3 , the charging system 10 includes a power source 70 , an electronic device 300 , and a charging device 100 that is pluggably coupled between the power source 70 and the electronic device 300 . The electronic device 300 can be a power storage device such as a mobile phone or a camera.

The charging device 100 includes a charging terminal 103 and a first magnetic body disposed on the charging terminal 103 Sexuality 101. The charging terminal 103 includes a rectangular hand portion 1036, a rectangular plug 1034 connected to the hand portion 1036, and a sleeve body 1032. The thickness of the plug 1034 is less than the thickness of the hand portion 1036. The first magnetic body member 101 is fixed to one end of the sleeve body 1032. In the present embodiment, the first magnetic member 101 is a coil.

The electronic device 300 includes a housing 309, two sliding rail portions 311 disposed at one end of the housing 309, a power receiving terminal 301 between the two rail portions 311, a second magnetic member 303 fixed to the housing 309, and a connection. The detecting unit 305 of the power receiving terminal 301 is connected to the detecting unit 305 and the switching unit 307 of the second magnetic member 303, respectively. In the present embodiment, the second magnetic member 303 is a coil.

The shape and structure of the rail portion 311 correspond to the shape and structure of the sleeve body 1032, so that the sleeve body 1032 can slide into and out of the electronic device 300 through the rail portion 311.

The power receiving terminal 301 and the charging terminal 103 are correspondingly disposed. When the electronic device 300 needs to be charged, the plug 1034 of the charging terminal 103 can be inserted into the electronic device 300 and electrically connected to the power receiving terminal 301 so that the power source 70 supplies power to the electronic device 300. Then, the sleeve body 1032 is slid into the electronic device 300 through the slide rail portion 311 and sleeved on the power receiving terminal 301. The first magnetic member 101 and the second magnetic member 303 are parallel to each other. One end of the sleeve 1032 away from the first magnetic member 101 abuts the hand portion 1036.

The detecting unit 305 is configured to detect whether the electronic device 300 is fully charged and send the switching signal to the commutation unit 307 when the charging is completed. In the present embodiment, the detecting unit 305 automatically detects the voltage value of the electronic device 300 every fixed time. When charging, the voltage of the electronic device 300 increases as the charging capacity increases. When the charging capacity reaches saturation, the voltage rises to a peak value and starts to slowly decrease. The detecting unit 305 determines whether the charging of the electronic device 300 is completed based on this characteristic.

The reversing unit 307 is configured to respond to the reversing signal, and set a magnetic field direction of the second magnetic member 303 to generate a repulsive force between the first magnetic member 101 and the second magnetic member 303, and the sleeve 1032 and the sleeve 1032 are brought into contact with each other. The connected hand piece 1036 and the plug 1034 connected to the hand piece 1036 push out the electronic device 300. Thereby, when the charging of the electronic device 300 is completed, automatic power-off is achieved. In the present embodiment, the commutation unit 307 is a commutator. The commutator sets the direction of the magnetic field of the second magnetic member 303 by setting the direction of the current of the second magnetic member 303 to cause a repulsive force between the second magnetic member 303 and the first magnetic member 101.

Using the charging system 10 described above, the electronic device 300 can promptly eject the charging device 100 after the charging is completed to cut off the power source 70, preventing the rechargeable battery of the electronic device 300 from being overcharged, and effectively increasing the service life of the rechargeable battery.

Referring to FIG. 4, an automatic power-off method can automatically eject the charging device connected to the power source to the electronic device to be charged, wherein the charging device is provided with a first magnetic component, and the electronic device is provided with a corresponding setting of the first magnetic component. The second magnetic piece. Both the first magnetic member and the second magnetic member may be coils. The method includes the following steps:

In step S801, the charging terminal of the charging device is inserted into the electronic device and electrically connected to the power receiving terminal, and the power is turned on for charging. At the same time, the first magnetic member and the second magnetic member are parallel to each other.

Step S803, detecting whether the electronic device completes charging. If the electronic device has completed charging, the process proceeds to step S805. If the electronic device is not fully charged, it returns to step S803.

Step S805, the direction of the magnetic field on the second magnetic member is set to generate a repulsive force between the first magnetic member and the second magnetic member, thereby ejecting the charging device from the electronic device.

By using the above automatic power-off method, the power of the electronic device can be cut off after the charging is completed, and the rechargeable battery of the electronic device is prevented from being overcharged, thereby effectively increasing the rechargeable battery. The service life.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or changes made by those skilled in the art in light of the spirit of the present invention should be It is covered by the following patent application.

10‧‧‧Charging system

70‧‧‧Power supply

100‧‧‧Charging device

101‧‧‧First magnetic parts

103‧‧‧Charging terminal

300‧‧‧Electronic equipment

301‧‧‧Receiving terminal

303‧‧‧Second magnetic parts

305‧‧‧Detection unit

307‧‧‧Commutation unit

10‧‧‧Charging system

70‧‧‧Power supply

Claims (6)

A charging system includes an electronic device and a charging device that is pluggably coupled between the power source and the electronic device, wherein the charging device further includes a charging terminal and a first magnetic member disposed on the charging terminal, the electronic device The device comprises a housing, two sliding rail portions disposed at one end of the housing, and a power receiving terminal fixed to the housing between the two sliding rail portions, a second magnetic member fixed to the housing, and connected to the power receiving terminal The detecting unit is respectively connected to the detecting unit and the reversing unit of the second magnetic member; the charging terminal comprises a rectangular hand-held portion, a rectangular plug connected to the hand-held portion, and a sleeve body, the first magnetic member is disposed on the sleeve body away from the hand-held portion At one end of the portion, the shape and structure of the rail portion correspond to the shape and structure of the sleeve body, so that the sleeve body can slide into and out of the electronic device through the slide rail portion, and the charging terminal is inserted into the electronic device and the power receiving terminal. When the electrical connection is charging the electronic device, the first magnetic component and the second magnetic component are opposite; the detecting unit automatically detects the voltage value of the electronic device every fixed time, and the detecting unit is based on The voltage of the sub-device will increase as the charging capacity increases. When the charging capacity reaches saturation, the voltage rises to a peak value, and the characteristic of slowly decreasing begins to determine whether the electronic device is fully charged and sends a reversal after the charging is completed. a signal to the reversing unit; the reversing unit is configured to respond to the reversing signal to set a magnetic field direction of the second magnetic member to generate a repulsive force between the second magnetic member and the first magnetic member to push the sleeve and the hand held against the sleeve And a plug connected to the handheld portion to eject the charging device from the electronic device. The charging system of claim 1, wherein the commutating unit is a commutator, and the commutator sets the direction of the magnetic field of the second magnetic member by setting a current direction of the second magnetic member. An electronic device includes a housing and a power receiving terminal disposed on the housing and electrically connectable to a charging terminal of the charging device, wherein the electronic device further includes two sliding rail portions disposed at one end of the housing, and is disposed on the electronic device a second magnetic member on the housing, a detecting unit connected to the power receiving terminal, a reversing unit connected to the second magnetic member and the detecting unit; the charging terminal includes a rectangular hand-held portion, a rectangular plug connected to the hand-held portion, and a sleeve body, the first magnetic body being disposed at an end of the sleeve body away from the hand-held portion, The shape and structure of the sliding rail portion correspond to the shape and structure of the sleeve body, so that the sleeve body can slide into and out of the electronic device through the sliding rail portion, and the detecting unit automatically detects the voltage value of the electronic device every fixed time, the detection The voltage of the unit according to the electronic device will increase as the charging capacity increases. When the charging capacity reaches saturation, the voltage rises to a peak value, and the characteristic of starting to slowly decrease is judged whether the electronic device is fully charged and when the charging is completed. Sending a commutation signal to the commutation unit; the reversing unit is configured to respond to the reversing signal to set a magnetic field direction of the second magnetic member to generate a repulsive force between the second magnetic member and the first magnetic member to push the sleeve and abut the sleeve The handheld portion of the body and the plug connected to the handheld portion eject the charging device from the electronic device. The electronic device of claim 3, wherein the commutating unit is a commutator, and the commutator sets the direction of the magnetic field of the second magnetic member by setting a current direction of the second magnetic member. An automatic power-off method for automatically ejecting a charging device connected to a power source, wherein the charging device includes a charging terminal and a first magnetic component disposed on the charging terminal, the electronic device being provided with the first a magnetic member corresponding to the second magnetic member, comprising: a housing, two sliding rail portions disposed at one end of the housing, a power receiving terminal disposed between the two sliding rail portions, and a second magnetic member fixed to the housing; a detecting unit connected to the power receiving terminal, a switching unit respectively connected to the detecting unit and the second magnetic member, the charging terminal comprising a rectangular hand-held portion, a rectangular plug connected to the hand-held portion, and a sleeve body, the first magnetic member is disposed The shape and structure of the sliding portion correspond to the shape and structure of the sleeve, so that the sleeve can slide into and out of the electronic device through the sliding portion, when the charging terminal of the charging device When electrically connected to the power receiving terminal in the electronic device, the first magnetic member and the second magnetic member are opposite; the method includes the following steps: automatically detecting the voltage of the electronic device at a fixed time , The voltage detection unit of the electronic device can be increased in accordance with increasing charge capacity, charge capacity is saturated when the voltage rises The characteristic of reaching the peak and turning slowly to determine whether the electronic device is fully charged; if the electronic device has completed charging, setting the magnetic field direction of the second magnetic member to cause rejection between the second magnetic member and the first magnetic member The force pushes the sleeve and the hand-held portion that abuts the sleeve and the plug that is connected to the hand-held portion to eject the charging device from the electronic device. The automatic power-off method according to claim 5, wherein the automatic power-off method comprises the following steps: if the electronic device does not complete charging, returning to the step of determining whether the electronic device completes charging.