WO2016192335A1

WO2016192335A1 - Charger, charger control method and storage medium

Info

Publication number: WO2016192335A1
Application number: PCT/CN2015/095396
Authority: WO
Inventors: 施济杰
Original assignee: 中兴通讯股份有限公司
Priority date: 2015-06-05
Filing date: 2015-11-24
Publication date: 2016-12-08
Also published as: CN106300482A

Abstract

A charger control method comprises: controlling a charger to be in an external power source disconnection state when determining, according to a first parameter of a charging port (101), that no terminal is currently accessing the charger. Also disclosed are a charger and storage medium using the method.

Description

Charger, charger control method and storage medium

Technical field

The present invention relates to the field of mobile communications technologies, and in particular, to a charger, a charger control method, and a storage medium.

Background technique

With the development of terminal devices, the functions of terminal devices are becoming more and more integrated, and more and more novel, but the power consumption of the whole machine is becoming more and more prominent. When the battery capacity of the terminal device is insufficient, it is necessary to replenish the battery with the charger in time, and most users plug the charger into the power socket for convenience, and the charger is always in a charged state. Thus, the self-ignition caused by the long-term operation of the charger Or when the terminal device is not connected to the charger, the child will accidentally cause an electric shock such as an electric shock caused by an electric charging port.

The existing related technology for controlling the on and off of the charger cannot intelligently control the automatic power-off control according to whether the terminal is connected to the charger, and the power utilization rate is low; therefore, providing a charger and its control The solution can automatically power off when the terminal is not connected, eliminate security risks and improve power utilization, which has become an urgent problem to be solved.

Summary of the invention

In view of this, the embodiment of the present invention is to provide a charger, a charger control method, and a storage medium, which can automatically power off when the terminal is not connected, eliminate security risks, improve power utilization, and enhance user experience.

To achieve the above objective, the technical solution of the embodiment of the present invention is implemented as follows:

An embodiment of the present invention provides a charger control method, where the method includes:

Controlling the charger when there is no terminal access currently according to the first parameter of the charging port The external power supply is disconnected.

In the above solution, the method further includes:

When it is determined that there is terminal access according to the first parameter of the charging port, the charger is controlled to be in an external power connection state.

In the above solution, the first parameter is a capacitor;

Correspondingly, determining, according to the first parameter of the charging port, that no terminal access currently includes:

The internal power supply of the charger is controlled, and the capacitance of the charging port is detected. When it is detected that the capacitance of the charging port does not exceed the first threshold, it is determined that the charger has no terminal access.

In the above solution, after the controlling the charger is in an external power connection state, the method further includes:

When the terminal is removed according to the second parameter of the charging port, the charger is controlled to be in an external power disconnection state.

In the above solution, the second parameter is a current;

Correspondingly, determining that the terminal is removed according to the second parameter of the charging port comprises:

Detecting whether the current magnitude of the charging port is less than a second threshold, and if less than the second threshold, determining that the terminal has been removed.

In the above solution, after the controlling the charger is in an external power connection state, the method further comprises: charging an internal power source of the charger.

The embodiment of the invention further provides a charger, the charger comprising: a first determining module and a control module; wherein

The first determining module is configured to: when the terminal is not currently connected according to the first parameter of the charging port, triggering the control module;

The control module is configured to control the charger to be in an external power disconnection state.

In the above solution, the first determining module is further configured to be based on the first parameter of the charging port. When it is determined that there is terminal access, the trigger control module is triggered;

Correspondingly, the control module is further configured to control the charger to be in an external power connection state.

In the above solution, the first parameter is a capacitor;

The control module is further configured to control an internal power supply of the charger;

Correspondingly, the first determining module is configured to detect the charging port capacitance. When it is detected that the charging port does not exceed the first threshold, it is determined that the charger has no terminal access.

In the above solution, the charger further includes a second determining module configured to trigger the control module to control the charger to be in a power-off state when the terminal is removed according to the second parameter of the charging port.

In the above solution, the second parameter is a current;

Correspondingly, the second determining module is configured to detect whether the current size of the charging port is less than a second threshold, and if it is less than the second threshold, determine that the terminal has been removed.

In the above solution, the charger further includes a power management module configured to charge an internal power source of the charger.

The embodiment of the invention further provides a charger, the charger comprising: a RC bridge circuit and a control circuit; wherein

The RC bridge circuit is configured to trigger a control circuit when no terminal is currently connected according to the first parameter of the charging port;

The control circuit is configured to control the charger to be in an external power off state.

In the above solution, the RC bridge circuit is further configured to trigger a control circuit when the terminal is accessed according to the first parameter of the charging port;

Correspondingly, the control circuit is further configured to control the charger to be in an external power connection state.

In the above solution, the first parameter is a capacitor;

The control circuit is further configured to control an internal power supply of the charger;

Correspondingly, the RC bridge circuit is configured to detect the charging port capacitance. When it is detected that the capacitance of the charging port does not exceed the first threshold, it is determined that the charger has no terminal access.

In the above solution, the charger further includes a current detecting circuit configured to trigger the control circuit to control the charger to be in a power-off state when the terminal is removed according to the second parameter of the charging port.

In the above solution, the second parameter is a current;

Correspondingly, the current detecting circuit is configured to detect whether the current magnitude of the charging port is less than a second threshold, and if it is less than the second threshold, determine that the terminal has been removed.

In the above solution, the charger further includes a power management unit configured to charge an internal power source of the charger.

The embodiment of the present invention further provides a computer storage medium storing a computer program configured to execute the above charger control method of the embodiment of the present invention.

The charger, the charger control method, and the storage medium provided by the embodiments of the present invention determine that the charger is in an external power-off state when it is determined that there is no terminal access according to the first parameter of the charging port. In this way, the terminal can automatically power off when the terminal is not connected, eliminate security risks, improve power utilization, enhance user experience, effectively avoid self-ignition caused by long-term operation of the charger, or accidentally charge the child when the terminal is not connected. The port is contained in the mouth and there is an electric shock.

DRAWINGS

1 is a schematic flow chart of a charger control method according to an embodiment of the present invention;

2 is a schematic flowchart of a charger control method according to Embodiment 2 of the present invention;

3 is a schematic structural diagram of a charger according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a charger according to Embodiment 2 of the present invention.

detailed description

In the embodiment of the present invention, when it is determined that the charger has no terminal access according to the first parameter of the charging port, the charger is controlled to be in an external power disconnection state.

Embodiment 1

FIG. 1 is a schematic flowchart of a charger control method according to an embodiment of the present invention. As shown in FIG. 1 , a charger control method according to an embodiment of the present invention includes:

Step 101: Determine, according to the first parameter of the charging port, that when the terminal is not currently connected, the charger is controlled to be in an external power disconnection state;

Here, the charging port may be a USB port; the external power source may be a 220V external power source.

Based on the embodiment of the present invention, in an actual application, before the step, the method further includes: the charger is connected to the external power source, and the charger is initialized.

In an embodiment, the method further includes: determining, when the terminal is accessed according to the first parameter of the charging port, controlling the charger to be in an external power connection state;

The first parameter may be a capacitor;

Correspondingly, determining whether there is currently a terminal access according to the first parameter of the charging port includes:

Controlling the internal power supply operation of the charger, and detecting whether the capacitance of the charging port exceeds a first threshold. If not, determining that the charger has no terminal access; if the capacitance of the charging port exceeds a first threshold, determining the charging The device currently has terminal access;

Here, the first threshold may be set according to actual needs. In an embodiment, the first threshold may be 9 microfarads (uF);

The detecting whether the capacitance of the charging port exceeds a first threshold includes:

According to the RC (Resistance Capacitance) bridge circuit, periodically detecting whether the capacitance of the charging port exceeds a first threshold;

Here, the period may be set as needed. In an embodiment, the period may be 1 minute, and detecting according to the RC bridge circuit only needs to control the internal power of the charger to the RC every minute. The bridge circuit sends a high level of n seconds. In an embodiment, the n can be 10.

According to the embodiment of the present invention, in an actual application, the controlling the charger to be in an external power disconnection state includes:

Controlling an external power switch in the charger to be in an off state;

Here, the external power switch may be a relay switch, and in one embodiment, may be a 220V relay switch.

According to the embodiment of the present invention, in the actual application, the controlling the charger to be in an external power connection state includes:

Controlling an internal power switch of the charger in an open state, and controlling an external power switch in the charger to be in a closed state to operate an alternating current (AC)/direct current (DC) module in the charger; The /DC module is configured to convert the AC external power source into DC power suitable for the terminal requirement. In an embodiment, the 220V AC power can be converted to 5V DC power.

According to the embodiment of the present invention, in the actual application, after the controlling the charger is in an external power connection state, the method further includes:

Determining, according to the second parameter of the charging port, that the terminal is removed, and controlling the charger to be in an external power disconnection state;

Here, the second parameter may be a current;

Correspondingly, determining whether the terminal is removed according to the second parameter of the charging port comprises:

Detecting, in real time, whether the current size of the charging port is less than a second threshold, if it is less than the second threshold, determining that the terminal has been removed; if not less than the second threshold, determining that the terminal has not been removed; wherein the second The threshold may be set according to actual needs. In an embodiment, the second threshold may be 50 milliamps (mA).

According to the embodiment of the present invention, in an actual application, after the controlling the charger is in an external power connection state, the method further includes: charging an internal power source of the charger;

Wherein, the internal power source can be a button battery or the like;

Charging the internal power source of the charger includes: detecting a current state of the internal power source, permitting/disabling charging of the internal power source according to status information of the internal power source; and the status information includes: the internal power source Charging voltage, etc.

Embodiment 2

FIG. 2 is a schematic flowchart of a method for controlling a charger according to Embodiment 2 of the present invention. As shown in FIG. 2, a charger control method according to an embodiment of the present invention includes:

Step 201: The charger is connected to an external power source, and the charger is initialized;

In this embodiment, the external power source may be a 220V external power source.

Step 202: Determine whether the charger has a terminal access according to the first parameter of the charging port, if yes, go to step 203; otherwise, go to step 206;

In this embodiment, the charging port is a USB port; the first parameter is a capacitor;

The step includes: controlling the internal power supply of the charger, detecting whether the capacitance of the charging port exceeds a first threshold, and if not, determining that the charger has no terminal access; if the capacitance of the charging port exceeds a first threshold, determining The charger currently has a terminal access;

Here, the first threshold may be set according to actual needs, in this embodiment, the first threshold is 9uF;

According to the RC bridge circuit, it is periodically detected whether the capacitance of the charging port exceeds a first threshold; here, the period may be set according to requirements, and in this embodiment, the period is 1 minute.

Step 203: Control the charger to be in an external power connection state, and be the internal of the charger. Power charging

The controlling the charger to be in an external power connection state includes:

Controlling that the internal power switch of the charger is in an off state, and controlling an external power switch in the charger to be in a closed state to operate the AC/DC module in the charger;

The external power switch may be a relay switch. In this embodiment, it may be a 220V relay switch;

The internal power source of the charger may be a button battery or the like.

Step 204: Determine whether the terminal is removed according to the second parameter of the charging port, if it is removed, perform step 205; if not, perform step 204;

In this embodiment, the second parameter is a current;

The step of: determining whether the current of the charging port is less than a second threshold in real time, if it is less than the second threshold, determining that the terminal has been removed; if not less than the second threshold, determining that the terminal has not been removed; The second threshold may be set according to actual needs. In this embodiment, the second threshold is 50 mA.

Step 205: The charger is controlled to be in an external power-off state, and step 202 is performed;

The step includes: controlling an external power switch in the charger to be in an off state, and controlling an internal power switch of the charger to be in a closed state.

Step 206: Control the charger to be in an external power-off state, and perform step 202.

Embodiment 3

3 is a schematic structural diagram of a charger according to an embodiment of the present invention; as shown in FIG. 3, the charger component of the embodiment of the present invention includes: a first determining module 31 and a control module 32;

The first determining module 31 is configured to trigger a control module when no terminal is currently accessed according to the first parameter of the charging port;

The control module 32 is configured to control the charger to be in an external power disconnection state;

Here, the charging port may be a USB port; the external power source may be 220V Connected to the power supply;

The control module 32 is configured to control an external power switch in the charger to be in an off state;

In an embodiment, the control module 32 is further configured to initialize the charger when the charger is connected to an external power source.

In an embodiment, the first determining module 31 is further configured to determine, when the terminal is accessed according to the first parameter of the charging port, the triggering control module 32;

Correspondingly, the control module 32 is further configured to control the charger to be in an external power connection state.

According to the embodiment of the present invention, in a practical application, the first parameter is a capacitor; the control module 32 is further configured to control an internal power supply of the charger;

Correspondingly, the first determining module 31 is configured to detect whether the size of the charging port exceeds a first threshold, and if not, determine that the charger has no terminal access; if the charging port has a capacitance exceeding a first threshold Determining that the charger currently has a terminal access;

The detecting, by the first determining module 31, whether the size of the capacitor of the charging port exceeds a first threshold includes:

The first determining module 31 periodically detects whether the size of the charging port exceeds a first threshold. The period may be set according to requirements. In an embodiment, the period may be 1 minute or 30 seconds. Correspondingly, the control module 32 is further configured to control the internal power supply of the charger to send a high level of n seconds to the RC bridge circuit every cycle. In an embodiment, the n may be 10.

Based on the embodiment of the present invention, in an actual application, the control module 32 is further configured to control an internal power switch of the charger to be in an off state, and control an external power switch in the charger to be in a closed state. The AC/DC module 34 in the charger is configured to operate; the AC/DC module is configured to convert the AC external power source into DC power suitable for the terminal requirement. In an embodiment, the 220V AC power can be converted to 5V DC.

In an embodiment, the charger further includes a second determining module 33 configured to trigger the control module 31 to control the charger to be powered off when the terminal is removed according to the second parameter of the charging port. Open state.

According to the embodiment of the present invention, in a practical application, the second parameter is a current;

Correspondingly, the second determining module 33 is configured to detect whether the current size of the charging port is less than a second threshold, if it is less than the second threshold, determine that the terminal has been removed; if not less than the second threshold, determine the The terminal has not been removed; wherein the second threshold may be set according to actual needs. In an embodiment, the second threshold may be 50 mA.

In an embodiment, the charger further includes a power management module 35 configured to charge an internal power source of the charger; wherein the internal power source may be a button battery or the like.

Embodiment 4

4 is a schematic structural diagram of a charger according to a second embodiment of the present invention; as shown in FIG. 4, the charger component of the embodiment of the present invention includes: an RC bridge circuit 41 and a control circuit 42;

The RC bridge circuit 41 is configured to trigger the control circuit 42 when there is no terminal access according to the first parameter of the charging port;

The control circuit 42 is configured to control the charger to be in an external power off state;

Here, the charging port may be a USB port; the external power source may be a 220V external power source;

The control circuit 42 is configured to control an external power switch in the charger to be in an off state;

The external power switch may be a relay switch. In an embodiment, it may be a 220V relay switch.

In an embodiment, the control circuit 42 is further configured to initialize the charger when the charger is connected to an external power source.

In an embodiment, the RC bridge circuit 41 is further configured to determine, when the terminal is accessed according to the first parameter of the charging port, the trigger control circuit 42;

Correspondingly, the control circuit 42 is further configured to control the charger to be in an external power connection state.

According to the embodiment of the present invention, in a practical application, the first parameter is a capacitor;

The control circuit 42 is further configured to control the internal power supply of the charger;

Correspondingly, the RC bridge circuit 41 is configured to detect the charging port capacitance. When it is detected that the capacitance of the charging port does not exceed the first threshold, it is determined that the charger has no terminal access; when detecting When the capacitance of the charging port exceeds a first threshold, it is determined that the charger currently has a terminal access;

Here, the first threshold may be set according to actual needs. In an embodiment, the first threshold may be 9 uF.

In an embodiment, the RC bridge circuit 41 is configured to periodically detect whether the capacitance of the charging port exceeds a first threshold; wherein the period may be set according to requirements, in an embodiment, The period may be 1 minute or 30 seconds, etc., correspondingly, the control circuit is further configured to control the internal power supply of the charger to send a high level of n seconds to the RC bridge circuit every cycle, in an implementation In the example, the n may be 10.

In an embodiment, the control circuit 42 is further configured to control the internal power switch of the charger to be in an off state, and control an external power switch in the charger to be in a closed state, so as to be in the charger. The AC/DC circuit 43 is configured to convert the AC external power source into a DC power suitable for the terminal requirement. In an embodiment, the AC/DC circuit 43 may be configured to 220V AC is converted to 5V DC.

According to the embodiment of the present invention, in a practical application, the charger further includes a current detecting circuit 44 configured to trigger the control circuit 42 to control the terminal when the terminal is removed according to the second parameter of the charging port. The charger is in a power off state.

Correspondingly, the current detecting circuit 44 is configured to detect whether the current magnitude of the charging port is less than a second threshold, if it is less than the second threshold, determine that the terminal has been removed; if not less than the second threshold, determine the terminal The second threshold may not be removed; wherein the second threshold may be set according to actual needs. In an embodiment, the second threshold may be 50 mA.

Based on the embodiment of the present invention, in a practical application, the charger further includes a power management unit 45 configured to charge an internal power source of the charger; wherein the internal power source may be a button battery or the like.

The first determining module 31, the control module 32, the second determining module 33, the AC/DC module 34, and the power management module 35 proposed in the embodiments of the present invention may all be implemented by a processor, and may also be implemented by a specific logic circuit. The processor may be a mobile terminal or a processor on a server. In practical applications, the processor may be a central processing unit (CPU), a microprocessor (MPU), a digital signal processor (DSP), or a field. Programming gate arrays (FPGAs), etc.

In the embodiment of the present invention, if the above charger control method is implemented in the form of a software function module and sold or used as a stand-alone product, it may also be stored in a computer readable storage medium. Based on such understanding, the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions. A computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention. The foregoing storage medium includes: a U disk, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk, and the like, which can store program codes. quality. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.

Correspondingly, an embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a computer program for performing the above charger control method according to an embodiment of the present invention.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention.

Claims

A charger control method, the method comprising:

According to the first parameter of the charging port, when the terminal is not currently connected, the charger is controlled to be in an external power disconnection state.
The method of claim 1 wherein said method further comprises:

When it is determined that there is terminal access according to the first parameter of the charging port, the charger is controlled to be in an external power connection state.
The method of claim 1 or 2, wherein the first parameter is a capacitor;

Correspondingly, determining, according to the first parameter of the charging port, that no terminal access currently includes:

The internal power supply of the charger is controlled, and the capacitance of the charging port is detected. When it is detected that the capacitance of the charging port does not exceed the first threshold, it is determined that the charger has no terminal access.
The method of claim 2, wherein the method further comprises: after the controlling the charger is in an external power connection state, the method further comprising:

When the terminal is removed according to the second parameter of the charging port, the charger is controlled to be in an external power disconnection state.
The method of claim 4 wherein said second parameter is a current;

Correspondingly, determining that the terminal is removed according to the second parameter of the charging port comprises:

Detecting whether the current magnitude of the charging port is less than a second threshold, and if less than the second threshold, determining that the terminal has been removed.
The method of claim 2, wherein after the controlling the charger is in an external power supply communication state, the method further comprises: charging an internal power source of the charger.
A charger includes: a first determining module and a control module; wherein

The first determining module is configured to: when the terminal is not currently connected according to the first parameter of the charging port, triggering the control module;

The control module is configured to control the charger to be in an external power disconnection state.
The charger according to claim 7, wherein the first determining module is further configured to: when the terminal is accessed according to the first parameter of the charging port, triggering the control module;

Correspondingly, the control module is further configured to control the charger to be in an external power connection state.
The charger according to claim 7 or 8, wherein said first parameter is a capacitor;

The control module is further configured to control an internal power supply of the charger;

Correspondingly, the first determining module is configured to detect the charging port capacitance. When it is detected that the charging port does not exceed the first threshold, it is determined that the charger has no terminal access.
The charger of claim 8, wherein the charger further comprises a second determining module configured to trigger the control module to control the charger when the terminal is removed according to a second parameter of the charging port In the power off state.
The charger of claim 10 wherein said second parameter is a current;

Correspondingly, the second determining module is configured to detect whether the current size of the charging port is less than a second threshold, and if it is less than the second threshold, determine that the terminal has been removed.
The charger of claim 8 wherein said charger further comprises a power management module configured to charge an internal power source of said charger.
A charger includes: a RC bridge circuit and a control circuit; wherein

The RC bridge circuit is configured to trigger a control circuit when no terminal is currently connected according to the first parameter of the charging port;

The control circuit is configured to control the charger to be in an external power off state.
The charger according to claim 13, wherein said RC bridge circuit is further configured to trigger a control circuit when terminal access is determined according to a first parameter of the charging port;

Correspondingly, the control circuit is further configured to control the charger to be in an external power connection state.
The charger according to claim 13 or 14, wherein said first parameter is a capacitor;

The control circuit is further configured to control an internal power supply of the charger;

Correspondingly, the RC bridge circuit is configured to detect the charging port capacitance. When it is detected that the capacitance of the charging port does not exceed the first threshold, it is determined that the charger has no terminal access.
A charger according to claim 14, wherein said charger further comprises current detecting circuit configured to trigger said control circuit to control said charger to be in operation when said terminal is removed in accordance with a second parameter of said charging port The power is off.
The charger of claim 16 wherein said second parameter is a current;

Correspondingly, the current detecting circuit is configured to detect whether the current magnitude of the charging port is less than a second threshold, and if it is less than the second threshold, determine that the terminal has been removed.
The charger of claim 14, wherein the charger further comprises a power management unit configured to charge an internal power source of the charger.
A computer storage medium having stored therein computer executable instructions for performing the charger control method of any one of claims 1 to 6.