CN107340843B - Power management system of electronic equipment with touch screen and control method thereof - Google Patents
Power management system of electronic equipment with touch screen and control method thereof Download PDFInfo
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- CN107340843B CN107340843B CN201710693961.9A CN201710693961A CN107340843B CN 107340843 B CN107340843 B CN 107340843B CN 201710693961 A CN201710693961 A CN 201710693961A CN 107340843 B CN107340843 B CN 107340843B
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- touch screen
- human body
- power supply
- electronic equipment
- external power
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/263—Arrangements for using multiple switchable power supplies, e.g. battery and AC
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
Abstract
A power management system of an electronic device with a touch screen comprises a microprocessor, a human body induction part, a battery and an external power supply, wherein the human body induction part is used for detecting a human body close to the touch screen and sending a detection result to the microprocessor. The battery and the external power supply power to the electronic equipment with the touch screen under the control of the microprocessor, and when the human body sensing part detects that a human body approaches the touch screen, the battery is used for supplying power to the electronic equipment with the touch screen; and when the human body sensing part does not detect that a human body approaches the touch screen, an external power supply is used for supplying power to the electronic equipment with the touch screen. The embodiment of the invention also provides a power supply control method of the electronic equipment with the touch screen. The embodiment of the invention does not need to adapt to different power grid environments and circuits, and has strong compatibility. By disconnecting the power supply of the external power grid and using the internal rechargeable battery to supply power to the touch screen, the problem of electromagnetic interference of the power grid is fundamentally solved.
Description
Technical Field
The invention relates to the field of intelligent household appliances, in particular to a power management system of electronic equipment with a touch screen and a control method thereof.
Background
A touch screen is also called a "touch screen" or a "touch panel", and is an inductive electronic device capable of receiving a touch signal. When the touch screen touch device works, a user touches the touch screen at the front end of the display through fingers or other objects, the touch detection component detects the touch position of the user on the touch screen, touch information is converted into contact point coordinates and sent to the processing device, and the processing device positions and selects information input according to the touched icon or menu position. As a computer input device, the touch screen is the simplest, convenient and visual human-computer interaction mode at present, and is widely applied to electronic products such as information inquiry, office, industrial control, electronic games, multimedia teaching and the like.
Along with the appearance of more and more intelligent household appliances with display screens and touch screens in the market, when the intelligent household appliances work, the power supply environment is influenced by the household power grid environment, interference signals easily occur, touch identification of the touch screens is insensitive, even touch points are reported randomly, and the intelligent household appliances are not controlled by users.
In order to solve the above-mentioned problem of grid interference, hardware and software are usually optimized in the prior art. When a hardware circuit is improved, a filter device is generally added to filter electric signals entering a working area of the touch screen, so that the stability of the working environment of the touch screen is ensured. When software is optimized, feature recognition of abnormal touch points, such as click duration and touch area size, is generally optimized, and abnormal touch points/behaviors are filtered.
However, neither the above-mentioned hardware improvement nor software optimization can completely solve the problem of grid interference.
Disclosure of Invention
In order to better solve the problem that a touch screen is easily interfered in a power grid environment, the embodiment of the invention provides a power management system of electronic equipment with the touch screen and a control method thereof.
The power management system of the electronic equipment with the touch screen comprises a microprocessor, a human body induction part, a battery and an external power supply, wherein the microprocessor is respectively connected with the human body induction part, the battery and the external power supply; and when the human body sensing part does not detect that a human body approaches the touch screen, an external power supply is used for supplying power to the electronic equipment with the touch screen.
Further, the human body sensing part is a near-distance infrared sensor or a near-distance moving object detection sensor.
Further, the sensing distance of the human body sensing part is within 80 cm.
Further, the battery is a rechargeable battery, the external power supply is connected with the rechargeable battery, and when the external power supply is used for supplying power to the electronic equipment with the touch screen, the external power supply also charges the rechargeable battery.
The embodiment of the invention also provides a power supply control method of the electronic equipment with the touch screen, which uses an external power supply or a battery to supply power to the electronic equipment with the touch screen and comprises the following steps:
detecting whether a human body is present in a surrounding environment of an electronic device having a touch screen,
if a human body exists in the surrounding environment of the electronic equipment with the touch screen, the battery is used for supplying power to the electronic equipment with the touch screen; if no human body exists in the surrounding environment of the electronic equipment with the touch screen, the electronic equipment with the touch screen is powered by using an external power supply.
Further, when the electronic equipment is started, an external power supply is used for supplying power to the electronic equipment with the touch screen.
Further, whether a human body exists in the surrounding environment of the electronic device is detected using a near infrared sensor or a near moving object detection sensor.
Further, whether a human body exists in the surrounding environment within 80cm of the electronic device is detected.
Further, the battery is a rechargeable battery, and when the electronic device with the touch screen is powered by using the external power supply, the rechargeable battery is also charged by the external power supply.
Further, when the electronic device is powered by an external power source, the power supply to the touch screen can be cut off.
The embodiment of the invention has the following beneficial effects:
the embodiment of the invention is suitable for the non-portable electronic equipment with the touch screen, and switches the power supply of the electronic equipment by detecting whether the operating user exists in the surrounding environment. The touch screen may be turned off when power is supplied from an external power source. When the battery is used for supplying power, the touch screen works in an internal power grid environment with little interference due to shielding of interference signals of an external power grid, working correctness of the touch screen is guaranteed, and the problem of power grid electromagnetic interference is fundamentally solved.
In addition, for mobile equipment such as mobile phones, the mobile equipment is in a non-charging state for a long time, and the requirement on the cruising ability of a battery is high, different from the non-portable electronic equipment with the touch screen, the operation time of a user is relatively short, the requirement on the cruising ability of the battery is not high, when the user operates the non-portable electronic equipment, the electronic equipment is switched to a power supply state using an internal battery, the requirement on the capacity of the internal battery is not too large, and the cruising ability within half an hour can be generally provided. When the user leaves the electronic equipment, the external power supply can be used for supplementing the electric quantity to the battery, and the high requirement on the battery endurance is well met.
Meanwhile, the embodiment of the invention does not need to adapt to different power grid environments and circuits, and has strong compatibility.
Drawings
Fig. 1 is a block diagram of a power management system of an electronic device with a touch screen according to an embodiment of the present invention;
FIG. 2 is a flowchart of a power control method of the power management system of the electronic device with a touch screen shown in FIG. 1;
fig. 3 is a block diagram of a power management system of another electronic device with a touch screen according to an embodiment of the present invention;
FIG. 4 is a flowchart of a power control method of the power management system of the electronic device with a touch screen shown in FIG. 3;
fig. 5 is a flowchart of a power control method of an electronic device with a touch screen according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings. Those skilled in the art will appreciate that the present invention is not limited to the drawings and the following examples.
As shown in fig. 1, in one embodiment of the present invention, a power management system of an electronic device with a touch screen includes a microprocessor, a human body sensing part, a battery, and an external power source, and the microprocessor is connected to the human body sensing part, the battery, and the external power source, respectively.
The human body induction component is used for detecting a human body close to the touch screen and sending a detection result to the microprocessor. Since the human body sensing part detects a human body in order to determine whether an operator approaches and desires to operate the touch screen, the sensing distance of the human body sensing part does not need to be excessively large, and the sensing distance is preferably set within 80cm so as not to introduce excessive interference. Preferably, the human body sensing part is a near-distance infrared sensor, and the human body sensing part can also be a near-distance moving object detection sensor for detecting a moving object around.
The battery and the external power supply power to the electronic equipment with the touch screen under the control of the microprocessor. When the human body sensing part detects that a human body approaches the touch screen, the battery is used for supplying power to the electronic equipment with the touch screen; and when the human body sensing part does not detect that a human body approaches the touch screen, an external power supply is used for supplying power to the electronic equipment with the touch screen.
The embodiment of the invention also provides electronic equipment with a touch screen, which comprises the power management system. The touch screen is an infrared touch screen, a resistance touch screen or a capacitance touch screen.
As shown in fig. 2, when the power management system of the electronic device with a touch screen of the embodiment of the invention shown in fig. 1 is started, an external power source may be used by default to supply power to the electronic device with a touch screen, or a battery may be used to supply power to the electronic device with a touch screen.
The human body induction component detects the human body in the induction range in real time and sends the detection result to the processor. When the human body sensing component detects a human body, sending a signal of detecting the human body to the microprocessor; when the human body sensing part does not detect the human body, a signal that the human body is not detected is sent to the microprocessor.
When the microprocessor receives a signal which is sent by the human body sensing part and used for detecting a human body, the battery is used for supplying power to the electronic equipment with the touch screen; when the microprocessor receives a signal which is sent by the human body induction part and does not detect the human body, the external power supply is used for supplying power to the electronic equipment with the touch screen, and the power supply to the touch screen can be cut off.
In still another embodiment of the present invention, as shown in fig. 3, a power management system of an electronic device having a touch screen includes a microprocessor, a near infrared sensor, a rechargeable battery, and an external power source, the microprocessor being connected to the near infrared sensor, the rechargeable battery, and the external power source, respectively.
The near-distance infrared sensor is used for detecting a human body close to the touch screen and sending a detection result to the microprocessor. Since the purpose of detecting the human body by the near infrared sensor is to determine whether an operator approaches and desires to operate the touch screen, the sensing distance of the near infrared sensor does not need to be too large, and the sensing distance is preferably set within 80cm so as not to introduce too much interference.
The rechargeable battery and the external power supply power to the electronic equipment with the touch screen under the control of the microprocessor. When the human body sensing part detects that a human body approaches the touch screen, the battery is used for supplying power to the electronic equipment with the touch screen; when the human body sensing part does not detect that a human body approaches the touch screen, an external power supply is used for supplying power to the electronic equipment with the touch screen, and at the moment, the external power supply also charges the rechargeable battery.
The embodiment of the invention also provides electronic equipment with a touch screen, which comprises the power management system. The touch screen is an infrared touch screen, a resistance touch screen or a capacitance touch screen.
As shown in fig. 4, when the power management system of the electronic device with a touch screen of the embodiment of the invention shown in fig. 3 is started, an external power source may be used by default to supply power to the electronic device with a touch screen, or a battery may be used to supply power to the electronic device with a touch screen.
The near-distance infrared sensor detects the human body in the sensing range in real time and sends the detection result to the processor. When the near-distance infrared sensor detects a human body, sending a signal of detecting the human body to the microprocessor; and when the near infrared sensor does not detect the human body, sending a signal of not detecting the human body to the microprocessor.
When the microprocessor receives a signal which is sent by the near-distance infrared sensor and used for detecting a human body, the rechargeable battery is used for supplying power to the electronic equipment with the touch screen; when the microprocessor receives a signal which is sent by the near-distance infrared sensor and does not detect a human body, the external power supply is used for supplying power to the electronic equipment with the touch screen, the power supply to the touch screen can be cut off, and meanwhile, the external power supply is used for charging the rechargeable battery for keeping the electric quantity of the rechargeable battery.
As shown in fig. 5, an embodiment of the present invention further provides a power control method for an electronic device with a touch screen, which can use an external power source or a battery to supply power to the electronic device with a touch screen, and includes the following steps:
an electronic device having a touch screen is powered using an external power source,
detecting whether a human body is present in a surrounding environment of an electronic device having a touch screen,
if a human body exists in the surrounding environment of the electronic equipment with the touch screen, the battery is used for supplying power to the electronic equipment with the touch screen; if no human body exists in the surrounding environment of the electronic equipment with the touch screen, the electronic equipment with the touch screen is powered by using an external power supply.
When no human body exists in the surrounding environment of the electronic equipment with the touch screen, it is judged that no user operates the electronic equipment through the touch screen, at the moment, the touch screen can be closed, and an external power supply supplies power to the electronic equipment.
In addition, the battery is a rechargeable battery, and when the electronic device with the touch screen is powered by using an external power supply, the rechargeable battery is charged by using the external power supply.
Those of skill in the art will understand that the logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be viewed as implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A power management system for an electronic device having a touch screen, comprising: comprises a microprocessor, a human body induction part, a battery and an external power supply, wherein the microprocessor is respectively connected with the human body induction part, the battery and the external power supply,
the human body sensing part is used for detecting whether a human body exists in the surrounding environment of the electronic equipment with the touch screen in real time and sending the detection result to the microprocessor,
the battery and the external power supply power to the electronic equipment with the touch screen under the control of the microprocessor, and when the human body sensing part detects that a human body approaches the touch screen, the battery is used for supplying power to the electronic equipment with the touch screen; and when the human body sensing part does not detect that a human body approaches the touch screen, an external power supply is used for supplying power to the electronic equipment with the touch screen.
2. The power management system of claim 1, wherein: the human body sensing part is a near-distance infrared sensor or a near-distance moving object detection sensor.
3. The power management system of claim 1 or 2, wherein: the sensing distance of the human body sensing part is within 80 cm.
4. The power management system of claim 1 or 2, wherein: the battery is a rechargeable battery, the external power supply is connected with the rechargeable battery, and when the external power supply is used for supplying power to the electronic equipment with the touch screen, the external power supply also charges the rechargeable battery.
5. A power control method of an electronic device with a touch screen is characterized in that: the method for supplying power to the electronic equipment with the touch screen by using the external power supply or the battery comprises the following steps:
detecting in real time whether a human body is present in a surrounding environment of an electronic device having a touch screen,
if a human body exists in the surrounding environment of the electronic equipment with the touch screen, the battery is used for supplying power to the electronic equipment with the touch screen; if no human body exists in the surrounding environment of the electronic equipment with the touch screen, the electronic equipment with the touch screen is powered by using an external power supply.
6. The power supply control method according to claim 5, characterized in that: when the electronic equipment is started, an external power supply is used for supplying power to the electronic equipment with the touch screen.
7. The power supply control method according to claim 5, characterized in that: and detecting whether a human body exists in the surrounding environment of the electronic equipment by using a near-distance infrared sensor or a near-distance moving object detection sensor.
8. The power supply control method according to any one of claims 5 to 7, wherein: detecting whether a human body exists in the surrounding environment within 80cm of the electronic equipment.
9. The power supply control method according to any one of claims 5 to 7, wherein: the battery is a rechargeable battery, and when the electronic equipment with the touch screen is powered by using an external power supply, the external power supply also charges the rechargeable battery.
10. The power supply control method according to claim 9, characterized in that: when the electronic device is powered by an external power supply, power supply to the touch screen is cut off.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693961.9A CN107340843B (en) | 2017-08-14 | 2017-08-14 | Power management system of electronic equipment with touch screen and control method thereof |
| PCT/CN2017/116087 WO2019033644A1 (en) | 2017-08-14 | 2017-12-14 | Power management system for electronic device with touch screen and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693961.9A CN107340843B (en) | 2017-08-14 | 2017-08-14 | Power management system of electronic equipment with touch screen and control method thereof |
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| Publication Number | Publication Date |
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| CN107340843A CN107340843A (en) | 2017-11-10 |
| CN107340843B true CN107340843B (en) | 2020-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710693961.9A Active CN107340843B (en) | 2017-08-14 | 2017-08-14 | Power management system of electronic equipment with touch screen and control method thereof |
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| WO (1) | WO2019033644A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107340843B (en) * | 2017-08-14 | 2020-03-03 | 广州视源电子科技股份有限公司 | Power management system of electronic equipment with touch screen and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TW201005507A (en) * | 2008-07-30 | 2010-02-01 | Micro Star Int Co Ltd | System and method for power management and safety protection |
| CN101651359B (en) * | 2009-09-10 | 2011-07-27 | 惠州Tcl移动通信有限公司 | Power supply unit and power supply switching method of mobile terminal |
| AU2013270450B2 (en) * | 2013-03-26 | 2017-01-12 | Basilia Nominees Pty Ltd | Tablet Computer Heated Case |
| CN103840526B (en) * | 2014-03-17 | 2017-02-01 | 联想(北京)有限公司 | Method and device for processing information and electronic equipment |
| US20160044146A1 (en) * | 2014-07-15 | 2016-02-11 | Princess Danielle Mitchell | Solar Integrated Mobile and Electronic Devices with Backside Solar Panels |
| CN106292853A (en) * | 2015-06-01 | 2017-01-04 | 中兴通讯股份有限公司 | A kind of charge protection method, electronic equipment and system |
| CN106230077B (en) * | 2016-09-29 | 2019-08-02 | 宇龙计算机通信科技(深圳)有限公司 | A kind of power-supplying circuit of mobile terminal, method for controlling power supply and power management module |
| CN107024973A (en) * | 2017-06-01 | 2017-08-08 | 广东工业大学 | A kind of wearable device method for managing power supply and device |
| CN107340843B (en) * | 2017-08-14 | 2020-03-03 | 广州视源电子科技股份有限公司 | Power management system of electronic equipment with touch screen and control method thereof |
| CN207067931U (en) * | 2017-08-14 | 2018-03-02 | 广州视源电子科技股份有限公司 | A kind of power-supply management system and its electronic equipment of the electronic equipment with touch-screen |
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- 2017-08-14 CN CN201710693961.9A patent/CN107340843B/en active Active
- 2017-12-14 WO PCT/CN2017/116087 patent/WO2019033644A1/en active Application Filing
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| CN107340843A (en) | 2017-11-10 |
| WO2019033644A1 (en) | 2019-02-21 |
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Effective date of registration: 20200306 Address after: 510530 Guangdong city of Guangzhou province YUNPU Whampoa district four Road No. 6 Patentee after: GUANGZHOU SHIYUAN ELECTRONICS Co.,Ltd. Address before: 510530 Guangdong city of Guangzhou province YUNPU Whampoa district four Road No. 6 Co-patentee before: Guangzhou Rui Xin Electronic Technology Co., Ltd. Patentee before: GUANGZHOU SHIYUAN ELECTRONICS Co.,Ltd. |