CN107294162B - Wireless charging device and charging method thereof - Google Patents
Wireless charging device and charging method thereof Download PDFInfo
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- CN107294162B CN107294162B CN201710539995.2A CN201710539995A CN107294162B CN 107294162 B CN107294162 B CN 107294162B CN 201710539995 A CN201710539995 A CN 201710539995A CN 107294162 B CN107294162 B CN 107294162B
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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Abstract
The invention provides a wireless charging device and a charging method thereof, comprising the following steps: and starting a wireless charging program, searching by the intelligent terminal, judging whether a radio frequency signal exists, if so, starting a wireless charging mode, capturing the radio frequency signal, converting the radio frequency signal into direct current, and charging the intelligent terminal. According to the invention, the charging sensor is arranged to detect the radio frequency signals in the environment where the electronic equipment such as the intelligent terminal is located, the signal capturing module is used for capturing the radio frequency signals in the environment, and the electric energy conversion module is used for converting the radio frequency signals into electric energy to charge the electronic equipment such as the intelligent terminal, so that the technical means of charging by using the radio frequency signals such as WiFi in the environment is realized, and the wireless charging device has excellent market prospect.
Description
Technical Field
The present invention relates to the field of wireless charging, and in particular, to a wireless charging device and a charging method thereof.
Background
Along with the continuous development and progress of science and technology, the intelligent terminal changes day and month, and the functionality and portability of the intelligent terminal are continuously improved and updated, so that the intelligent terminal gradually permeates into the aspects of life of people and becomes an indispensable necessity for life of people. However, with the continuous improvement of the utilization rate of the intelligent terminal and the development of the shallower and shallower of the intelligent terminal, the endurance of the battery of the intelligent terminal cannot meet the demands of users.
The mobile power supply has solved the condition that intelligent terminal self battery duration is not enough to a certain extent, charges at any time and can't obtain satisfying. However, due to the requirement of the power storage capacity of the mobile power supply, the mobile power supply in the current market is more heavy, large in size and weight, and inconvenient to carry; in addition, most of the current mobile power sources are storage batteries such as lithium batteries, so that certain potential safety hazards exist, and the intelligent terminal is charged by utilizing quick charging equipment such as the mobile power sources, so that certain influence exists on the service life of the battery of the intelligent terminal. In addition, the current mobile power supply also needs to be charged by an external power supply, and the current mobile power supply can supply electric energy to the intelligent terminal and the like only after the current mobile power supply meets the requirement of self power storage. The dependence on an external power supply is not completely removed, and great inconvenience is brought to the use of the portable electronic device such as the intelligent terminal when the fixed power supply is difficult to obtain for long-time outdoor activities and the like.
Currently, new technical solutions are also proposed in the market to solve the problems of portability and charging modes of the existing mobile power supply, for example, CN 101728864A discloses a charging device for charging a battery of a portable electronic device. The charging device comprises a power generation unit, wherein the power generation unit senses kinetic energy obtained when the charging device moves, converts the kinetic energy into electric energy, and provides the electric energy for the battery to charge the battery;
CN 104901402A proposes a wireless charging system and a wireless charging method, which utilize a coil set formed by arranging a plurality of sub-coils in matrix arrangement, and can selectively turn on the plurality of sub-coils to supply power to a receiving module in the wireless charging process, thereby solving the problems of reduced charging efficiency and waste of electric energy caused by deviation of relative positions between charged equipment and a wireless charging device in the prior art;
CN 105914813A provides a wireless charging device and a wireless charging method, which comprises a wireless charging seat and a wireless charging transmitting coil, and then an electronic device is placed on the surface of the wireless device, so that the charging operation of the electronic device can be realized. The dependence on the charging wire in the prior art is simplified.
In summary, most of the prior art solves the portable charging problem of the intelligent terminal based on the aspects of portability, miniaturization, integration and the like of the mobile power supply, and although some technologies of converting kinetic energy into electric energy are expected to solve the problem that the mobile power supply cannot be separated from an external power supply, the technical scheme needs active motion of a user to provide kinetic energy, influences the use experience of the user, and does not fundamentally solve the problem of dependence of the mobile power supply on the external power supply or the energy source.
Disclosure of Invention
When the frequency of the electromagnetic wave is lower than 100kHz, the electromagnetic wave can be absorbed by the ground surface, effective transmission cannot be formed, once the frequency of the electromagnetic wave is higher than 100kHz, the electromagnetic wave can propagate in the air and is reflected by an ionized layer at the outer edge of an atmosphere layer, long-distance transmission capability is formed, and a high-frequency electromagnetic wave with the long-distance transmission capability is called Radio Frequency (RF). Wi-Fi is a technology that allows electronic devices to connect to a Wireless Local Area Network (WLAN), typically using the 2.4G UHF or 5G SHF ISM radio frequency bands. WiFi technology should be a convenience message, and has been popular worldwide, and public places such as restaurants and the like in the world are mostly provided with free WiFi radio frequency signals.
The invention aims to provide a wireless charging device and a charging method of the wireless charging device. Therefore, the technical means of charging by utilizing radio frequency signals such as WiFi in the environment is realized.
Specifically, in one aspect, the present invention provides a wireless charging method for an intelligent terminal, including the following steps: and starting a wireless charging program, searching by the intelligent terminal, judging whether a radio frequency signal exists, if so, starting a wireless charging mode, capturing the radio frequency signal, converting the radio frequency signal into direct current, and charging the intelligent terminal.
Preferably, the above wireless charging method further includes that after the intelligent terminal searches the radio frequency signal, the intelligent terminal judges whether the intelligent terminal is in a charging state, if the intelligent terminal is not in the charging state, a wireless charging mode is started, and if the intelligent terminal is in the charging state, the wireless charging program is closed.
Preferably, the wireless charging method further comprises the steps of monitoring the electric quantity of the intelligent terminal in real time, and sending a charging prompt when the electric quantity of the intelligent terminal is detected to be smaller than or equal to a first preset value.
Preferably, the wireless charging method further includes, when the intelligent terminal searches the radio frequency signal and detects that the electric quantity of the intelligent terminal is smaller than or equal to a second preset value, the intelligent terminal judges whether the intelligent terminal is in a charging state, and if the intelligent terminal is not in the charging state, a wireless charging mode is started.
Preferably, the wireless charging method further includes that after the intelligent terminal searches the radio frequency signal, the intelligent terminal judges the intensity of the radio frequency signal, and if the intelligent terminal judges that the radio frequency signal is strong, a wireless charging mode is started.
The invention also provides a wireless charging device, which comprises a first starting module, a second starting module and a charging sensor, wherein the first starting module starts the wireless charging device according to a starting instruction; the charging sensor comprises a signal retrieval module, a starting module and a control module, wherein the signal retrieval module is in communication connection with the starting module, retrieves and judges whether a radio frequency signal exists or not, and sends an opening instruction outwards; the wireless charging device further comprises a second starting module which is in communication connection with the charging sensor, receives the starting instruction, starts a wireless charging mode, a signal capturing module which is in communication connection with the second starting module, captures the radio frequency signal after the wireless charging mode is started, and an electric energy conversion module which is in communication connection with the signal capturing module, converts the radio frequency signal into direct current, and is in communication connection with the electric energy conversion module, so that the intelligent terminal is charged by the direct current.
Preferably, the charging sensor further comprises a state monitoring module for monitoring and judging whether the intelligent terminal is in a charging state, if the intelligent terminal is not in the charging state, and sending an opening instruction to the second starting module, starting a wireless charging mode, and if the intelligent terminal is in a charging state, sending a closing instruction to the first starting module, and closing the wireless charging program.
Preferably, the charging sensor further comprises an electric quantity monitoring module for monitoring the electric quantity of the intelligent terminal in real time, and when the electric quantity of the intelligent terminal is detected to be smaller than or equal to a first preset value, the charging sensor sends out a charging prompt.
Preferably, in the wireless charging device, when the electric quantity monitoring module detects that the electric quantity of the intelligent terminal is less than or equal to a second preset value, the charging sensor sends an opening instruction to the outside, and a wireless charging mode is started.
Preferably, the charging sensor further comprises a signal measurement module which is in communication connection with the signal retrieval module, judges the intensity of the radio frequency signal, and sends an opening instruction to open the wireless charging mode if the radio frequency signal is judged to be strong.
Compared with the prior art, the invention has the technical advantages that:
1) The invention provides a wireless charging method and a wireless charging device capable of charging by utilizing radio frequency signals sent by WiFi and the like, which are separated from the dependence on an external power supply in the prior art;
2) The invention can monitor the battery electric quantity condition of electronic equipment such as an intelligent terminal and the like and timely send out a charging prompt to a user;
3) According to the invention, under the condition that the battery power of electronic equipment such as an intelligent terminal is extremely low, the external environment can be automatically searched, and wireless charging is started, so that the trouble of powering off a user agent due to no power is avoided;
4) The invention utilizes the radio frequency signal to charge, thereby avoiding the damage to the battery of the electronic products such as the intelligent terminal and the like caused by the rapid charging in the prior art and the potential safety hazard.
Drawings
Fig. 1 is a schematic diagram of a wireless charging method of an intelligent terminal according to a preferred embodiment of the present invention;
fig. 2 is a schematic diagram of a wireless charging method of an intelligent terminal according to another preferred embodiment of the present invention;
fig. 3 is a block diagram of a wireless charging device according to a preferred embodiment of the present invention.
Detailed Description
Advantages of the present invention are described in detail below with reference to the following embodiments and the accompanying drawings.
The invention aims to provide a wireless charging method of an intelligent terminal, which can realize wireless charging by utilizing radio frequency signals such as WiFi and the like in the surrounding environment of electronic equipment such as the intelligent terminal and the like. The invention mainly comprises the following steps: and starting a wireless charging program, searching by the intelligent terminal, judging whether a radio frequency signal exists, if so, starting a wireless charging mode, capturing the radio frequency signal, converting the radio frequency signal into direct current, and charging the intelligent terminal.
In the following in connection with the actual situation of use, specific applications of the wireless charging method in this embodiment are described in detail:
embodiment one: (see FIG. 1)
-initiating a wireless charging procedure
The wireless charging program in this embodiment is configured with a corresponding starting module and a first starting module, so that interference of maintaining a wireless charging state on electronic devices such as an intelligent terminal and the like used normally by a user, such as consumption of electric quantity by the wireless charging program, can be avoided. When the user wants to start the wireless charging function, the user can touch the corresponding shortcut icon in the display interface of the electronic equipment such as the intelligent terminal or press the wireless charging shortcut key in a key selection mode to send a starting instruction to the wireless charging device of the intelligent terminal or other electronic equipment, and the first starting module receives the starting instruction, turns on a circuit and the like to start the wireless charging device.
-searching for radio frequency signals
After the wireless charging device is started, a charging sensor in the wireless charging device can scan the surrounding environment of the electronic equipment such as the intelligent terminal, and a signal retrieval module in the wireless sensor further searches whether radio frequency signals such as WiFi exist in the environment. The wireless sensor in the embodiment can provide a wider working range. If the signal retrieval module searches that radio frequency signals exist in the surrounding environment of the electronic equipment such as the intelligent terminal, an opening instruction is returned to the wireless charging device; if the signal retrieval module searches that the radio frequency signal does not exist in the surrounding environment of the electronic equipment such as the intelligent terminal, the operation is not performed, and after the electronic equipment such as the intelligent terminal is sensed to replace the environment, the radio frequency signal retrieval can be performed on the environment.
-turning on a wireless charging mode
In this embodiment, a second starting module is further provided, which can control the switch of the wireless charging mode, and when the user still wants to charge the electronic device such as the intelligent terminal by means of the external charging facility, the wireless charging mode can be selectively turned off. Therefore, when radio frequency signals exist in the environments of the electronic equipment such as the intelligent terminal and the like, the related starting module and the second starting module of the wireless charging device receive an opening instruction, so that a circuit and the like are connected, and a wireless charging mode is started.
-capturing radio frequency signals
When the wireless charging mode is induced to be started, the signal capturing module of the wireless charging device can be connected with radio frequency signals such as WiFi in the surrounding environment and starts to receive the radio frequency signals in the surrounding environment. Specifically, the signal capturing module may perform modulation and decoding, so that a radio frequency signal of a corresponding frequency band and wavelength may be received and transmitted to the power conversion module of the wireless charging device.
-converting radio frequency signals
After the electric energy replacing module of the wireless charging device receives the radio frequency signal, electromagnetic waves of the received radio frequency signal can be converted into direct current used daily, so that electronic equipment such as an intelligent terminal and the like can be charged.
-complete charging
The charging module of the wireless charging device is further electrically connected with a battery of the electronic equipment such as the intelligent terminal, so that electric energy is supplemented for the electronic equipment such as the intelligent terminal.
In summary, by using the wireless charging device provided by the invention, radio frequency signals such as WiFi in the surrounding environment can be utilized to charge the electronic terminals such as the intelligent terminal, so that dependence on an external power supply in the prior art is eliminated, and the convenience of charging the electronic devices such as the intelligent terminal is improved.
Embodiment two: (see FIG. 1)
In the present invention, in order to avoid collision with other charging modes of the intelligent terminal or other electronic devices, the wireless charging method provided in the present embodiment may further include:
-determining whether or not in a charged state
In this embodiment, when the signal retrieving module in the wireless charging device performs radio frequency signal retrieving and searches that a radio frequency signal exists in the surrounding environment of the electronic device such as the intelligent terminal, a monitoring instruction is sent to the state monitoring module of the wireless charging device, the state monitoring module checks the battery electric quantity state of the intelligent terminal or other electronic devices, and determines whether the intelligent terminal or other electronic devices are being charged according to the change degree of the electric quantity in the battery of the intelligent terminal or other electronic devices in a period of time, such as 5s,10s, etc. If the battery power of the intelligent terminal or other electronic devices continues to decrease within 5s, the intelligent terminal or other electronic devices are not charged, and if the battery power of the intelligent terminal or other electronic devices continues to increase, the intelligent terminal or other electronic devices are charged by other charging modes.
If the state monitoring module monitors that the intelligent terminal or other electronic equipment is not in a charging state, the state monitoring module sends an opening instruction to the second starting module to start a wireless charging mode, and the intelligent terminal or other electronic equipment is charged by utilizing radio frequency signals such as WiFi and the like in the surrounding environment of the intelligent terminal or other electronic equipment; and if the intelligent terminal or other electronic equipment is in a charging state, the state monitoring module sends a closing instruction to a first starting module of the wireless charging device to close the wireless charging program. Therefore, the damage of repeated charging to the battery of the intelligent terminal or other electronic equipment and the mutual interference and resource waste among various charging modes are avoided.
Embodiment III: (see FIG. 2)
In practice, a user often ignores the electricity condition during the process of using the intelligent terminal or other electronic devices, and a sudden breakpoint shutdown phenomenon may cause trouble to the normal use of the user, for example, a sudden telephone interruption, a failure in sending an edited short message in time, and so on. In order to avoid the above phenomenon, the wireless charging method of the present invention further includes:
-monitoring the electrical quantity, sending a charge reminder
The charging sensor of the wireless charging device also comprises an electric quantity monitoring module which monitors the battery electric quantity of the intelligent terminal or other charging equipment in real time, when the electric quantity of the intelligent terminal or other electronic devices is monitored to be lower than or equal to a first preset value, the charging sensor sends a charging prompt to the intelligent terminal or other electronic devices, and a user selects a proper charging mode for charging according to the charging prompt and the environment, such as an external power supply, a WiFi signal, a mobile power supply and the like.
It should be appreciated that in this embodiment, the user may send the charging reminder to the user by presetting the charge reminder in the related application program of the intelligent terminal or other electronic devices, for example, when the charge is less than or equal to 20%.
-monitoring the electrical quantity, automatic charging
If the user sends out a charging prompt at the intelligent terminal or other electronic equipment, the electric quantity monitoring module will continue to monitor the battery electric quantity of the intelligent terminal or other electronic equipment if the user does not timely charge the intelligent terminal or other electronic equipment, and when the electric quantity of the intelligent terminal or other electronic equipment is monitored to be lower than or equal to a second preset value, an opening instruction is sent to the wireless charging device, and the second starting module will receive the opening instruction, so that a circuit and the like are connected, and a wireless charging mode is started.
It should be appreciated that in this embodiment, the user may start the wireless charging mode by presetting an automatic charging power threshold in the related application program of the intelligent terminal or other electronic devices, for example, when the power is less than or equal to 10%, sending an opening instruction to the wireless charging device.
Embodiment four: (see FIG. 1 and 2)
Furthermore, when the wireless charging device detects a radio frequency signal such as WiFi, the strength of the radio frequency signal has an important effect on wireless charging, if the radio frequency signal is weak, the wireless charging device captures the signal and converts that the power consumption of the signal is greater than or far greater than the power that the radio frequency signal can provide, and the wireless charging mode is started to waste the power of the intelligent terminal or other electronic devices relatively, at this time, the wireless charging mode is not required to be started, so more preferably, the wireless charging method of the embodiment further includes:
-determining the strength of the radio frequency signal
The charging sensor of the wireless charging device further comprises a signal measurement module, the signal measurement module can judge the intensity of radio frequency signals of the surrounding environment of the intelligent terminal or other electronic equipment, and if the radio frequency signals are strong, if the radio frequency signals are more than or equal to-90 dbm, an opening instruction is sent to the wireless charging device, and a wireless charging mode is started; if the radio frequency signal is judged to be weak and smaller than the radio frequency signal by-90 dbm, no operation is performed.
In another aspect of the present invention, there is also provided a wireless charging apparatus, which mainly includes: a first start module; the charging sensor comprises a signal retrieval module; a second start module; a signal capture module; an electric energy conversion module; and a charging module. Specifically, see the fifth embodiment below:
fifth embodiment: (see FIG. 3)
-a first start-up module
The first starting module can start the wireless charging device according to a starting instruction. Specifically, when the user wants to start the wireless charging function, the user can touch a corresponding shortcut icon in a display interface of the electronic device such as the intelligent terminal or press a wireless charging shortcut key in a key selection mode to send a starting instruction to the wireless charging device of the intelligent terminal or other electronic devices. The first starting module receives the starting instruction, turns on a circuit and the like, and starts the wireless charging device.
Charging sensor
The charging sensor is arranged in the intelligent terminal or other electronic equipment, and performs operations such as identification and monitoring on radio frequency signals around the intelligent terminal or other electronic equipment. Wherein, the charging sensor includes:
-a signal retrieval module
The signal retrieval module is in communication connection with the starting module, retrieves and judges whether radio frequency signals exist or not, and sends out an opening instruction. Specifically, after the wireless charging device is started, the signal retrieval module of the charging sensor can scan the surrounding environment of the electronic device such as the intelligent terminal, and the signal retrieval module further searches whether radio frequency signals such as WiFi exist in the environment. The wireless sensor in the embodiment can provide a wider working range. If the signal retrieval module searches that radio frequency signals exist in the surrounding environment of the electronic equipment such as the intelligent terminal, an opening instruction is returned to the wireless charging device; if the signal retrieval module searches that the radio frequency signal does not exist in the surrounding environment of the electronic equipment such as the intelligent terminal, the operation is not performed, and after the electronic equipment such as the intelligent terminal is sensed to replace the environment, the radio frequency signal retrieval can be performed on the environment.
-a second start-up module
The second starting module is in communication connection with the charging sensor, receives the starting instruction and starts a wireless charging mode. Specifically, when a radio frequency signal exists in the environment of the electronic device such as the intelligent terminal, the second starting module receives an opening instruction sent by the signal searching module, so that a circuit is connected, and a wireless charging mode is started. When the user still wishes to charge an electronic device, such as a smart terminal, by means of an external charging facility, the wireless charging mode may be selected to be turned off.
-a signal acquisition module
The signal capturing module is in communication connection with the second starting module, and captures the radio frequency signal after the wireless charging mode is started. Specifically, when the wireless charging mode is induced to be started, the signal capturing module of the wireless charging device can be connected with radio frequency signals such as WiFi in the surrounding environment and starts to receive the radio frequency signals in the surrounding environment. Specifically, the signal capturing module may perform modulation and decoding, so that a radio frequency signal of a corresponding frequency band and wavelength may be received and transmitted to the power conversion module of the wireless charging device.
-an electric energy conversion module
The electric energy conversion module is in communication connection with the signal capturing module and converts the radio frequency signal into direct current. Specifically, after the electric energy replacing module of the wireless charging device receives the radio frequency signal, electromagnetic waves of the received radio frequency signal can be converted into direct current used daily, so that electronic equipment such as an intelligent terminal and the like can be charged.
Charging module
The charging module is in communication connection with the electric energy conversion module, and the direct current is used for charging the intelligent terminal. Specifically, the charging module of the wireless charging device is further electrically connected with the battery of the electronic equipment such as the intelligent terminal, so as to supplement electric energy for the electronic equipment such as the intelligent terminal.
Further preferably, in this embodiment, in order to avoid a collision with other charging modes of the intelligent terminal or other electronic devices, the wireless charging device in this embodiment further includes:
-a status monitoring module
And the wireless charging module is used for monitoring and judging whether the intelligent terminal is in a charging state, sending an opening instruction to the second starting module if the intelligent terminal is not in the charging state, starting a wireless charging mode, sending a closing instruction to the first starting module if the intelligent terminal is in the charging state, and closing the wireless charging program. Specifically, when the signal retrieval module in the wireless charging device performs radio frequency signal retrieval and searches that radio frequency signals exist in the surrounding environment of the electronic device such as the intelligent terminal, a monitoring instruction is sent to the state monitoring module of the wireless charging device, the state monitoring module checks the battery electric quantity state of the intelligent terminal or other electronic devices, and the change degree of the electric quantity in the battery of the intelligent terminal or other electronic devices is judged through a period of time, such as 5s,10s, and the like, so as to judge whether the intelligent terminal or other electronic devices are being charged. If the battery power of the intelligent terminal or other electronic devices continues to decrease within 5s, the intelligent terminal or other electronic devices are not charged, and if the battery power of the intelligent terminal or other electronic devices continues to increase, the intelligent terminal or other electronic devices are charged by other charging modes.
If the state monitoring module monitors that the intelligent terminal or other electronic equipment is not in a charging state, the state monitoring module sends an opening instruction to the second starting module to start a wireless charging mode, and the intelligent terminal or other electronic equipment is charged by utilizing radio frequency signals such as WiFi and the like in the surrounding environment of the intelligent terminal or other electronic equipment; and if the intelligent terminal or other electronic equipment is in a charging state, the state monitoring module sends a closing instruction to a first starting module of the wireless charging device to close the wireless charging program. Therefore, the damage of repeated charging to the battery of the intelligent terminal or other electronic equipment and the mutual interference and resource waste among various charging modes are avoided.
Further preferably, in order to avoid a sudden breakpoint shutdown phenomenon, the wireless charging device of the present embodiment further includes:
-power monitoring module
The intelligent terminal is used for monitoring the electric quantity of the intelligent terminal in real time, and when the electric quantity of the intelligent terminal is detected to be smaller than or equal to a first preset value, the charging sensor sends out a charging prompt. Specifically, the electric quantity detection module may monitor the battery electric quantity of the intelligent terminal or other charging devices in real time, and when it is monitored that the electric quantity of the intelligent terminal or other electronic devices is lower than or equal to a first preset value, the charging sensor sends a charging prompt to the intelligent terminal or other electronic devices, and the user selects a proper charging mode to charge according to the charging prompt and the environment, such as an external power supply, a WiFi signal, a mobile power supply and the like.
It should be appreciated that in this embodiment, the user may send the charging reminder to the user by presetting the charge reminder in the related application program of the intelligent terminal or other electronic devices, for example, when the charge is less than or equal to 20%.
If the user sends out a charging prompt at the intelligent terminal or other electronic equipment, the electric quantity monitoring module will continue to monitor the battery electric quantity of the intelligent terminal or other electronic equipment if the user does not timely charge the intelligent terminal or other electronic equipment, and when the electric quantity of the intelligent terminal or other electronic equipment is monitored to be lower than or equal to a second preset value, an opening instruction is sent to the wireless charging device, and the second starting module will receive the opening instruction, so that a circuit and the like are connected, and a wireless charging mode is started.
It should be appreciated that in this embodiment, the user may start the wireless charging mode by presetting an automatic charging power threshold in the related application program of the intelligent terminal or other electronic devices, for example, when the power is less than or equal to 10%, sending an opening instruction to the wireless charging device.
Furthermore, when the wireless charging device detects a radio frequency signal such as WiFi, the strength of the radio frequency signal has an important effect on wireless charging, if the radio frequency signal is weak, the wireless charging device captures the signal and converts that the power consumption of the signal is greater than or far greater than that which can be provided by the radio frequency signal, and the wireless charging mode is started to waste the power of the intelligent terminal or other electronic devices relatively, at this time, the wireless charging mode is not required to be started, so more preferably, the wireless charging device of the embodiment further comprises:
-signal measurement module
The signal detection module is in communication connection with the signal retrieval module, judges the intensity of the radio frequency signal, and sends an opening instruction to open a wireless charging mode if the radio frequency signal is judged to be strong. Specifically, the charging sensor of the wireless charging device further comprises a signal measurement module, the signal measurement module can judge the intensity of radio frequency signals of the surrounding environment of the intelligent terminal or other electronic equipment, and if the radio frequency signals are strong, if the radio frequency signals are more than or equal to-90 dbm, an opening instruction is sent to the wireless charging device, and a wireless charging mode is started; if the radio frequency signal is judged to be weak and smaller than the radio frequency signal by-90 dbm, no operation is performed.
In summary, the invention provides a wireless charging method and device capable of charging by utilizing radio frequency signals sent by WiFi and the like, which are independent of the dependence on an external power supply in the prior art; the invention can monitor the battery electric quantity condition of electronic equipment such as an intelligent terminal and the like and timely send out a charging prompt to a user; according to the invention, under the condition that the battery power of electronic equipment such as an intelligent terminal is extremely low, the external environment can be automatically searched, and wireless charging is started, so that the trouble of powering off a user agent due to no power is avoided; the invention utilizes the radio frequency signal to charge, thereby avoiding the damage to the battery of the electronic products such as the intelligent terminal and the like caused by the rapid charging in the prior art and the potential safety hazard.
It should be noted that the embodiments of the present invention are preferred and not limited in any way, and any person skilled in the art may make use of the above-disclosed technical content to change or modify the same into equivalent effective embodiments without departing from the technical scope of the present invention, and any modification or equivalent change and modification of the above-described embodiments according to the technical substance of the present invention still falls within the scope of the technical scope of the present invention.
Claims (6)
1. A wireless charging device comprises
A first starting module for starting the wireless charging device according to the starting instruction,
it is characterized by further comprising a charging sensor which is arranged in the intelligent terminal,
wherein the charging sensor comprises a plurality of sensors,
the signal retrieval module is in communication connection with the starting module, retrieves and judges whether the surrounding environment where the intelligent terminal is positioned has radio frequency signals or not, and sends out an opening instruction,
the wireless charging device may further comprise a battery,
the signal measuring module is in communication connection with the signal retrieving module, judges the intensity of the radio frequency signal, if the intensity of the radio frequency signal is larger than or equal to a threshold value, judges that the radio frequency signal is strong, sends an opening instruction, opens a wireless charging mode,
a second starting module which is connected with the charging sensor in a communication way, receives the starting instruction, starts a wireless charging mode,
the signal capturing module is in communication connection with the second starting module, captures the radio frequency signal after the wireless charging mode is started,
the electric energy conversion module is in communication connection with the signal capturing module and converts the radio frequency signal into direct current,
the charging module is in communication connection with the electric energy conversion module and charges the intelligent terminal by using the direct current,
the charging sensor may further comprise a sensor element,
a state monitoring module for monitoring and judging whether the intelligent terminal is in a charging state,
if the intelligent terminal is not in the charging state, sending an opening instruction to the second starting module, starting a wireless charging mode,
and if the intelligent terminal is in a charging state, sending a closing instruction to the first starting module, and closing the wireless charging program.
2. The wireless charging device of claim 1, wherein,
the charging sensor may further comprise a sensor element,
and the electric quantity monitoring module is used for monitoring the electric quantity of the intelligent terminal in real time, and when the electric quantity of the intelligent terminal is detected to be less than or equal to a first preset value, the charging sensor sends out a charging prompt.
3. The wireless charging device of claim 2, wherein,
when the electric quantity monitoring module detects that the electric quantity of the intelligent terminal is smaller than or equal to a second preset value, the charging sensor sends an opening instruction outwards, and a wireless charging mode is started.
4. A wireless charging method of an intelligent terminal, the method being implemented based on the wireless charging device of claim 1, comprising the steps of:
a wireless charging procedure is initiated and a wireless charging process is initiated,
the intelligent terminal searches the surrounding environment where the intelligent terminal is located to judge whether radio frequency signals exist,
if the radio frequency signal is searched, the intelligent terminal judges the intensity of the radio frequency signal,
if the radio frequency signal is greater than or equal to a threshold value, the radio frequency signal is judged to be strong, a wireless charging mode is started,
the radio frequency signal is captured and,
the radio frequency signal is converted into a direct current,
charging the intelligent terminal;
also included is a method of manufacturing a semiconductor device,
after the intelligent terminal searches the radio frequency signal, judging whether the intelligent terminal is in a charging state,
if the intelligent terminal is not in a charging state, starting a wireless charging mode,
if the intelligent terminal is in a charging state, the wireless charging program is closed.
5. The wireless charging method of claim 4, wherein,
also included is a method of manufacturing a semiconductor device,
the electric quantity of the intelligent terminal is monitored in real time,
and when the electric quantity of the intelligent terminal is detected to be less than or equal to a first preset value, sending a charging prompt.
6. The wireless charging method of claim 4, wherein,
also included is a method of manufacturing a semiconductor device,
when the intelligent terminal searches the radio frequency signal,
and detecting that the electric quantity of the intelligent terminal is smaller than or equal to a second preset value,
the intelligent terminal judges whether the intelligent terminal is in a charging state,
if the intelligent terminal is not in the charging state, a wireless charging mode is started.
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| CN111845628A (en) * | 2019-04-30 | 2020-10-30 | 长城汽车股份有限公司 | Control method and control device for vehicle-mounted wireless charging system |
| CN110649674B (en) * | 2019-09-25 | 2021-06-01 | Oppo广东移动通信有限公司 | Charging method, system, device, computer equipment and storage medium |
| CN111356116A (en) * | 2020-03-12 | 2020-06-30 | 东风小康汽车有限公司重庆分公司 | Vehicle-mounted multimedia short-distance wireless communication automatic connection charging method and system |
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