CN115719994B - Wireless power supply method and system - Google Patents
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- CN115719994B CN115719994B CN202310034611.7A CN202310034611A CN115719994B CN 115719994 B CN115719994 B CN 115719994B CN 202310034611 A CN202310034611 A CN 202310034611A CN 115719994 B CN115719994 B CN 115719994B
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- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000001965 increasing effect Effects 0.000 abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
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- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
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Abstract
The invention relates to the technical field of wireless power supply, in particular to a wireless power supply method and system. A method of wireless powering, the method comprising: and sending a detection signal of the equipment to be charged and receiving feedback information, if the feedback information shows that the equipment to be charged does not exist, keeping a standby state, and if the feedback information shows that the equipment to be charged exists, performing wireless charging on the equipment to be charged by using the first output power. According to the invention, the output power of the charging end is adjusted by acquiring the charging speed and the equipment temperature of the equipment to be charged, when the charging speed of the equipment to be charged is lower, the output power of the charging end is properly increased, and the equipment temperature of the equipment to be charged is adjusted, so that the influence on the service life of the equipment to be charged due to the fact that the output power of the charging end is not suitable for wireless charging of the equipment to be charged is prevented.
Description
Technical Field
The invention relates to the technical field of wireless power supply, in particular to a wireless power supply method and system.
Background
The wireless power supply system adopts a wireless power transmission technology and performs wireless charging on the electronic equipment based on an inductive coupling charging principle. Compared with the traditional wired charging method, the wireless charging method does not need to connect a power supply with equipment to be charged by using wires, and the wireless charging technology can bring great convenience for people.
However, in the prior art, in the process of charging the equipment to be charged through the wireless charging technology, management of the wireless power supply system is insufficient, and the output power of the wireless power supply system cannot be reasonably adjusted according to the actual state data of the equipment to be charged, so that the service life of the equipment to be charged is affected to some extent.
Disclosure of Invention
In view of this, the present application provides a wireless power supply method and system, in the process of wirelessly charging a device to be charged, the output power of the wireless power supply system is reasonably adjusted according to the actual state data of the device to be charged, so as to solve the problems in the prior art.
To achieve the above object, in one aspect, the present application provides a wireless power supply method, including:
sending a detection signal of equipment to be charged and receiving feedback information, if the feedback information shows that the equipment to be charged does not exist, keeping a standby state, and if the feedback information shows that the equipment to be charged exists, performing wireless charging on the equipment to be charged by using first output power;
acquiring the charging speed of the equipment to be charged in the process of taking the first output power as the equipment to be charged for wireless charging, judging whether the charging speed is larger than a first preset charging speed, if so, continuing to take the first output power as the equipment to be charged for wireless charging, otherwise, changing the first output power provided for the equipment to be charged into a second output power, and taking the second output power as the equipment to be charged for wireless charging;
after the first output power provided for the equipment to be charged is replaced by the second output power, periodically acquiring the equipment temperature of the equipment to be charged, judging whether the equipment temperature is smaller than a first preset temperature, if so, continuing to wirelessly charge the equipment to be charged by using the second output power, otherwise, replacing the second output power provided for the equipment to be charged by the first output power, and wirelessly charging the equipment to be charged by using the first output power;
the first output power is less than the second output power.
Further, before replacing the first output power provided to the device to be charged with the second output power, the method further includes:
and acquiring the current equipment temperature of the equipment to be charged, judging whether the current equipment temperature is smaller than the first preset temperature, if so, replacing the first output power provided for the equipment to be charged with the second output power, otherwise, continuing to wirelessly charge the equipment to be charged by using the first output power.
Further, the wireless charging process for the device to be charged with the first output power further includes:
periodically acquiring the equipment temperature of the equipment to be charged, judging whether the equipment temperature is smaller than the first preset temperature, if so, continuing to perform wireless charging by taking the first output power as the equipment to be charged, otherwise, replacing the first output power provided for the equipment to be charged with a third output power, and performing wireless charging by taking the third output power as the equipment to be charged;
the third output power is less than the first output power.
Further, the wireless charging process for the device to be charged with the first output power further includes:
acquiring the residual electric quantity of the equipment to be charged, acquiring the charging speed of the equipment to be charged for the equipment to be charged with the residual electric quantity smaller than the preset electric quantity, judging whether the charging speed is larger than a first preset charging speed, and if so, continuing to perform wireless charging by taking the first output power as the equipment to be charged;
otherwise, monitoring the temperature change state of the equipment to be charged in a preset time period, and judging whether the highest temperature of the equipment to be charged in the preset time period is smaller than a second preset temperature;
if so, taking the second output power as the equipment to be charged for wireless charging, otherwise, continuing to take the first output power as the equipment to be charged for wireless charging;
and after the second output power is used as the equipment to be charged for wireless charging, periodically acquiring the residual electric quantity of the equipment to be charged, acquiring the equipment temperature of the equipment to be charged after the residual electric quantity is larger than or equal to the emergency electric quantity, and if the equipment temperature is larger than the first preset temperature, replacing the second output power provided for the equipment to be charged with the first output power again.
Further, in the process of wirelessly charging the device to be charged with the second output power, the method further includes:
periodically acquiring the equipment temperature of the equipment to be charged, calculating the difference value between the equipment temperature and the second preset temperature after acquiring the equipment temperature each time, and judging whether the difference value is larger than a preset safety threshold value or not;
if so, continuing to take the second output power as the equipment to be charged for wireless charging, periodically acquiring the residual electric quantity of the equipment to be charged, and replacing the second output power provided for the equipment to be charged with the first output power when the residual electric quantity is greater than or equal to the emergency electric quantity;
otherwise, the second output power provided to the device to be charged is directly replaced with the first output power.
Further, the method further comprises the following steps:
and acquiring the ratio of the residual electric quantity of the equipment to be charged in the process of wirelessly charging the equipment to be charged by using the first output power or the second output power, and replacing the first output power or the second output power provided for the equipment to be charged with the third output power after the ratio of the residual electric quantity is larger than a preset safety ratio.
Further, the method further comprises the following steps:
and when the residual electric quantity proportion is larger than the preset safety proportion, generating an electric quantity sufficiency prompt.
In another aspect, the present invention provides a wireless power supply system, where the system adopts the wireless power supply method of the present invention, and the system includes:
the power supply module is used for wirelessly charging the equipment to be charged;
the information acquisition module is used for acquiring the charging speed and the equipment temperature of the equipment to be charged;
the output regulation and control module is used for regulating the output power of the power supply module according to the charging speed and the equipment temperature of the equipment to be charged;
and the reminding module is used for sending out sufficient reminding of the electric quantity.
The invention has the following advantages:
1. according to the invention, the output power of the charging end is adjusted by acquiring the charging speed and the equipment temperature of the equipment to be charged, when the charging speed of the equipment to be charged is lower, the output power of the charging end is properly increased, and the equipment temperature of the equipment to be charged is adjusted, so that the influence on the service life of the equipment to be charged due to the fact that the output power of the charging end is not suitable for wireless charging of the equipment to be charged is prevented.
2. According to the invention, the residual electric quantity of the equipment to be charged is obtained, and when the residual electric quantity of the equipment to be charged is very low, the output power of the charging end is increased in a short time, so that the electric quantity of the equipment to be charged is increased in a short time, a user can use the equipment to be charged more conveniently, and the user experience is improved.
3. According to the invention, the output power of the charging end is increased in a short time to monitor the equipment temperature of the equipment to be charged, and when the equipment temperature of the equipment to be charged is higher, the output power of the charging end is reduced, so that the service life of the equipment to be charged is prevented from being greatly influenced due to the fact that the temperature is too high.
4. According to the invention, the remaining electric quantity of the equipment to be charged is obtained, the output power of the charging end is reduced when the electric quantity of the equipment to be charged is quickly filled, the time for filling the electric quantity of the equipment to be charged is prolonged, the equipment is conveniently taken out by a user when the electric quantity of the equipment to be charged is not fully filled, and the reminding information is sent when the electric quantity of the equipment to be charged is quickly filled, so that the electric quantity of the equipment to be charged is further prevented from being fully filled, and the influence on the service life of the equipment due to the fact that the equipment is continuously charged under the condition of fully filled electric quantity is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of a wireless power supply method according to an embodiment of the invention.
Fig. 2 is a schematic structural diagram of a wireless power supply system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, some embodiments of the present application will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application. However, those of ordinary skill in the art will understand that in the various embodiments of the present application, numerous technical details have been set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
Example 1
Referring to fig. 1, embodiment 1 of the present invention provides a wireless power supply method, including:
s1, sending out a detection signal of equipment to be charged and receiving feedback information;
specifically, in this step, a device to be charged detection signal may be periodically issued.
S2, judging whether feedback information shows that equipment to be charged exists or not, if the feedback information shows that the equipment to be charged exists, turning to step S3, and if the feedback information shows that the equipment to be charged does not exist, keeping a standby state and turning to step S1;
s3, taking the first output power as equipment to be charged for wireless charging.
For the transmitting end, after the transmitting end is started, a detection signal for the receiving end is sent periodically, after the detection signal for the receiving end is sent at any time, if the obtained feedback information shows that the receiving end does not exist, the transmitting end is controlled to keep a standby state and send the detection signal for the receiving end again after the current period is finished, when the feedback information shows that the receiving end exists, the transmitting end is controlled to take the first output power as a device to be charged, which is obtained by detection, to carry out wireless charging, in the embodiment, the first output power can be the standard output power of the transmitting end, and for different types of devices to be charged, wireless charging is carried out by the output power when wireless charging is just started.
In an alternative embodiment, in the process of wirelessly charging the device to be charged with the first output power, the method further includes:
acquiring the charging speed of equipment to be charged, wherein the charging speed is specifically an electric quantity increasing speed, and judging whether the charging speed is greater than a first preset charging speed or not;
if so, the output power of the transmitting end is not adjusted, the first output power is continuously used as equipment to be charged for wireless charging, otherwise, the output power of the transmitting end is adjusted, the first output power provided for the equipment to be charged is replaced by the second output power, and the second output power is used as the equipment to be charged for wireless charging, wherein the second output power is larger than the first output power.
Specifically, in this embodiment, the output power provided to the device to be charged is adjusted according to the charging speed of the device, and for different types of devices, the power increase speed under the same output power may be different, and for some devices with slower power increase speeds, the output power provided to these devices may be reasonably increased.
In an alternative embodiment, after replacing the first output power provided to the device to be charged with the second output power, the method further comprises:
periodically acquiring the equipment temperature of equipment to be charged, and judging whether the equipment temperature is smaller than a first preset temperature;
if so, continuing to take the second output power as the equipment to be charged for wireless charging, otherwise, adjusting the output power provided for the equipment to be charged, recovering the second output power to the first output power, and taking the first output power as the equipment to be charged for wireless charging.
Specifically, the internal structures of different devices are different, and the iron loss or the magnetic loss generated in the devices are different, so that the heating conditions in the charging process are different, and when the devices are charged with higher output power than the standard output power of the transmitting end, a serious heating phenomenon can be generated, so that the output power of the transmitting end is adjusted according to the actual heating conditions in the charging process, and the device can play a good role in protection.
In an alternative embodiment, before the first output power supplied to the device to be charged is replaced with the second output power, the method further includes:
acquiring the current equipment temperature of equipment to be charged, and judging whether the current equipment temperature is smaller than a first preset temperature;
if yes, the first output power provided for the equipment to be charged is replaced by the second output power, otherwise, the first output power is continuously used for carrying out wireless charging on the equipment to be charged.
Specifically, in the charging process, the electric quantity increasing speed of the equipment to be charged is not considered, and the charging time of the equipment to be charged is further shortened under the condition that the equipment generates less heat.
In an alternative embodiment, for the process of wirelessly charging the device to be charged with the first output power, the method further includes:
and periodically acquiring the equipment temperature of the equipment to be charged, judging whether the equipment temperature is smaller than a first preset temperature, if so, continuing to take the first output power as the equipment to be charged for wireless charging, otherwise, changing the first output power provided for the equipment to be charged into a third output power, and taking the third output power as the equipment to be charged for wireless charging, wherein the third output power is smaller than the first output power.
Specifically, as the internal structures of different devices are different, the "iron loss" or "magnetic loss" generated inside the devices is different, and the heating condition during the charging process is different, so that the temperature of the devices may be higher during the wireless charging process of the devices with the standard output power of the transmitting end, and therefore, the output power provided to the devices needs to be further reduced.
In an alternative embodiment, for the process of wirelessly charging the device to be charged with the first output power, the method further includes:
obtaining the residual electric quantity of the equipment to be charged, obtaining the charging speed of the equipment to be charged for the equipment to be charged with the residual electric quantity smaller than the preset electric quantity, judging whether the charging speed is larger than the first preset charging speed, if so, maintaining the output power of the transmitting end unchanged, and continuing to wirelessly charge the equipment to be charged with the first output power;
otherwise, monitoring the temperature change state of the equipment to be charged in a preset time period, and judging whether the highest temperature of the equipment to be charged in the preset time period is smaller than a second preset temperature, wherein the second preset temperature is higher than the first preset temperature;
if so, the output power of the transmitting end is adjusted, the second output power is used for carrying out wireless charging on the equipment to be charged, otherwise, the first output power is used for carrying out wireless charging on the equipment to be charged.
Specifically, when the device with the low residual electric quantity is wirelessly charged by the first output power, if the charging speed is slower, in order to increase the electric quantity of the device in a shorter time, so that a user can use the device in time, the output power of the transmitting end can be increased, the change of the temperature of the device is not considered temporarily, and the device is more convenient when the user needs to use the device urgently, and the use experience is improved.
Furthermore, after the second output power is used as the equipment to be charged for wireless charging, the residual electric quantity of the equipment to be charged can be periodically obtained, when the residual electric quantity is greater than or equal to the emergency electric quantity, the equipment temperature of the equipment to be charged is obtained, if the equipment temperature is greater than the first preset temperature, the output power of the transmitting end is adjusted, and the second output power provided for the equipment to be charged is replaced by the first output power.
Specifically, after the electric quantity of the equipment is restored to the emergency electric quantity, the output power of the transmitting end can be adjusted according to the temperature of the equipment, so that the service life of the equipment is prevented from being influenced due to the fact that the temperature of the equipment is high.
In an alternative embodiment, in the process of wirelessly charging the device to be charged with the second output power, the method further includes:
periodically acquiring the equipment temperature of the equipment to be charged, calculating the difference value between the equipment temperature and a second preset temperature after the equipment temperature is acquired each time, and judging whether the difference value is larger than a preset safety threshold value or not;
if so, maintaining the output power of the transmitting end unchanged, continuously taking the second output power as equipment to be charged for wireless charging, periodically obtaining the residual electric quantity of the equipment to be charged, and adjusting the output power of the transmitting end after the residual electric quantity is greater than or equal to the emergency electric quantity, so as to replace the second output power provided for the equipment to be charged with the first output power again;
otherwise, the second output power provided to the device to be charged is directly replaced with the first output power.
Specifically, in the process of charging the device with the second output power being very low in electric quantity, the temperature of the device can be monitored, the difference value between the temperature of the device and the second preset temperature is calculated, the output power of the transmitting end is adjusted according to the relation between the difference value between the temperature of the device and the second preset temperature and the preset safety threshold, the preset safety threshold is used for measuring the dangerous degree of the device, and when the temperature of the device is too high, the service life of the device can be greatly influenced, so that the charging speed can be properly reduced to play a role in protecting the service life of the device.
In an alternative embodiment, further comprising:
and in the process of wirelessly charging the equipment to be charged by using the first output power or the second output power, acquiring the residual electric quantity proportion of the equipment to be charged, and when the residual electric quantity proportion is larger than a preset safety proportion, adjusting the output power of the transmitting end to change the first output power or the second output power provided for the equipment to be charged into the third output power.
Specifically, for some batteries used by devices, such as lithium batteries, continuous charging after the electric quantity is fully charged may have a certain influence on the service life of the battery, so that after the electric quantity is nearly fully charged, the output power of the transmitting end can be switched, the device is charged with lower output power, the charging speed of the device is reduced, and a user can conveniently take away the device to be fully charged.
In an alternative embodiment, a sufficient charge alert is generated when the remaining charge ratio is greater than a preset safety ratio.
Specifically, the manner of the sufficient quantity alert includes, but is not limited to, voice broadcasting and flashing light.
Example 2
On the basis of embodiment 1, referring to fig. 2, embodiment 2 of the present invention further provides a wireless power supply system, including:
the power supply module is used for wirelessly charging the equipment to be charged;
the information acquisition module is used for acquiring the charging speed and the equipment temperature of the equipment to be charged and acquiring the proportion of the residual electric quantity of the equipment to be charged;
the output regulation and control module is used for regulating the output power of the power supply module according to the charging speed and the equipment temperature of the equipment to be charged;
specifically, the output regulation and control module regulates the output power of the power supply module according to the charging speed and the equipment temperature information of the equipment to be charged, which are acquired by the information acquisition module;
the reminding module is used for sending out sufficient reminding of the electric quantity;
specifically, when the remaining capacity ratio of the equipment to be charged is larger than a preset safety ratio, a sufficient electric quantity reminding is generated.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims. Parts of the specification not described in detail belong to the prior art known to those skilled in the art.
Claims (6)
1. A method of wireless power supply, the method comprising:
sending a detection signal of equipment to be charged and receiving feedback information, if the feedback information shows that the equipment to be charged does not exist, keeping a standby state, and if the feedback information shows that the equipment to be charged exists, performing wireless charging on the equipment to be charged by using first output power; acquiring the charging speed of the equipment to be charged in the process of taking the first output power as the equipment to be charged for wireless charging, judging whether the charging speed is larger than a first preset charging speed, if so, continuing to take the first output power as the equipment to be charged for wireless charging, otherwise, changing the first output power provided for the equipment to be charged into a second output power, and taking the second output power as the equipment to be charged for wireless charging;
after the first output power provided for the equipment to be charged is replaced by the second output power, periodically acquiring the equipment temperature of the equipment to be charged, judging whether the equipment temperature is smaller than a first preset temperature, if so, continuing to wirelessly charge the equipment to be charged by using the second output power, otherwise, replacing the second output power provided for the equipment to be charged by the first output power, and wirelessly charging the equipment to be charged by using the first output power;
the first output power is less than the second output power;
before replacing the first output power supplied to the device to be charged with the second output power, further comprising:
acquiring the current equipment temperature of the equipment to be charged, judging whether the current equipment temperature is smaller than the first preset temperature, if yes, replacing the first output power provided for the equipment to be charged with the second output power, otherwise, continuing to wirelessly charge the equipment to be charged by taking the first output power as the equipment to be charged;
and in the process of wirelessly charging the equipment to be charged with the first output power, the method further comprises the following steps:
periodically acquiring the equipment temperature of the equipment to be charged, judging whether the equipment temperature is smaller than the first preset temperature, if so, continuing to perform wireless charging by taking the first output power as the equipment to be charged, otherwise, replacing the first output power provided for the equipment to be charged with a third output power, and performing wireless charging by taking the third output power as the equipment to be charged;
the third output power is less than the first output power.
2. The wireless power supply method according to claim 1, further comprising, for said process of wirelessly charging said device to be charged with said first output power:
acquiring the residual electric quantity of the equipment to be charged, acquiring the charging speed of the equipment to be charged for the equipment to be charged with the residual electric quantity smaller than the preset electric quantity, judging whether the charging speed is larger than a first preset charging speed, and if so, continuing to perform wireless charging by taking the first output power as the equipment to be charged;
otherwise, monitoring the temperature change state of the equipment to be charged in a preset time period, and judging whether the highest temperature of the equipment to be charged in the preset time period is smaller than a second preset temperature; if so, taking the second output power as the equipment to be charged for wireless charging, otherwise, continuing to take the first output power as the equipment to be charged for wireless charging;
and after the second output power is used as the equipment to be charged for wireless charging, periodically acquiring the residual electric quantity of the equipment to be charged, acquiring the equipment temperature of the equipment to be charged after the residual electric quantity is larger than or equal to the emergency electric quantity, and if the equipment temperature is larger than the first preset temperature, replacing the second output power provided for the equipment to be charged with the first output power again.
3. The wireless power supply method according to claim 2, further comprising, during said wirelessly charging said device to be charged with said second output power:
periodically acquiring the equipment temperature of the equipment to be charged, calculating the difference value between the equipment temperature and the second preset temperature after acquiring the equipment temperature each time, and judging whether the difference value is larger than a preset safety threshold value or not;
if so, continuing to take the second output power as the equipment to be charged for wireless charging, periodically acquiring the residual electric quantity of the equipment to be charged, and replacing the second output power provided for the equipment to be charged with the first output power when the residual electric quantity is greater than or equal to the emergency electric quantity;
otherwise, the second output power provided to the device to be charged is directly replaced with the first output power.
4. A method of wireless powering as defined in claim 1, further comprising:
and acquiring the ratio of the residual electric quantity of the equipment to be charged in the process of wirelessly charging the equipment to be charged by using the first output power or the second output power, and replacing the first output power or the second output power provided for the equipment to be charged with the third output power after the ratio of the residual electric quantity is larger than a preset safety ratio.
5. The wireless power supply method of claim 4, further comprising:
and when the residual electric quantity proportion is larger than the preset safety proportion, generating an electric quantity sufficiency prompt.
6. A wireless power supply system employing the wireless power supply method of any one of claims 1-5, the system comprising:
the power supply module is used for wirelessly charging the equipment to be charged;
the information acquisition module is used for acquiring the charging speed and the equipment temperature of the equipment to be charged; the output regulation and control module is used for regulating the output power of the power supply module according to the charging speed and the equipment temperature of the equipment to be charged;
and the reminding module is used for sending out sufficient reminding of the electric quantity.
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| CN106300543A (en) * | 2016-09-21 | 2017-01-04 | 奇酷互联网络科技（深圳）有限公司 | Charging method and device |
| CN109755987B (en) * | 2017-11-08 | 2021-08-27 | 南京德朔实业有限公司 | Battery charging method, battery charger and charging combination |
| CN108199438A (en) * | 2018-01-24 | 2018-06-22 | 广东小天才科技有限公司 | A kind of wireless charging method and receiving device |
| CN111404228B (en) * | 2020-03-31 | 2022-05-20 | Oppo广东移动通信有限公司 | Terminal battery charging method and device, terminal battery charging equipment and storage medium |
| CN114285179A (en) * | 2021-12-07 | 2022-04-05 | 珠海格力电器股份有限公司 | Wireless charging method and device and wireless charging system |
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Effective date of registration: 20231108 Address after: No. 41, Zhongxin Road, Shiwan, Chancheng District, Foshan City, Guangdong Province Patentee after: FOSHAN ELECTRIC POWER DESIGN INSTITUTE Co.,Ltd. Patentee after: FOSHAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID Co.,Ltd. Address before: No. 41, Zhongxin Road, Shiwan, Chancheng District, Foshan City, Guangdong Province Patentee before: FOSHAN ELECTRIC POWER DESIGN INSTITUTE Co.,Ltd. |