CN103217955B - A kind of system for wireless charging Long-distance Control and long-range control method thereof - Google Patents
A kind of system for wireless charging Long-distance Control and long-range control method thereof Download PDFInfo
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- CN103217955B CN103217955B CN201310096827.2A CN201310096827A CN103217955B CN 103217955 B CN103217955 B CN 103217955B CN 201310096827 A CN201310096827 A CN 201310096827A CN 103217955 B CN103217955 B CN 103217955B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a kind of system for wireless charging Long-distance Control and long-range control method thereof, described system comprises wireless charger and supervising device, and described wireless charger is connected with supervising device communication; Wireless charger energy interconnection network, is sent to supervising device by the charged state parameter of the terminal to be charged detected and wireless charger and shows; Described supervising device starts charging monitoring pattern, receives and judges whether current charged state parameter is greater than parameter preset, exporting the duty of corresponding steering order Long-distance Control wireless charger according to judged result; Make user can monitor charging process in real time, Long-distance Control can be carried out to the charging abnormal occurrence occurred any time anywhere, optimize the charging control mode of wireless charger, improve charging security, ensure that product competitive power commercially.
Description
Technical field
The present invention relates to wireless charging technology, particularly a kind of system for wireless charging Long-distance Control and long-range control method thereof.
Background technology
Wireless charging utilizes transmission charge in magnetic resonance or the electromagnetic wave air between charger and electronic equipment, and coil and capacitor then form resonance between charger and electronic equipment, realize electric energy high efficiency of transmission.The electric power of supply socket utilizes electromagnetic technique to change chargeable electric wave into by the wireless charger produced based on wireless charging technology, thus can directly utilize electronic equipment to charge when throwing away electric wire.A wireless charger from the appearance similar box or flat board mostly, upper surface electronic equipment being placed on wireless charger just can charge, and can charge to multiple electronic equipment simultaneously.Wireless charger is easy to use, solves the many and potential safety hazard of placing mixed and disorderly problem, charging inlet long term wear can be avoided to bring of existing charger linkage lines; Its security is high, and for different electronic products, power interface can be automatically corresponding, automatically identifies different equipment and energy requirement, carries out " personalized charging ".
Although wireless charger is when needs charge, its energy automatic charging; When being full of electricity, wireless charger can be closed automatically.But during charging, the situation of change of electricity can only show on mobile phone, needs user's real time inspection just can know whether and is full of, its prompting effect is poor.In addition, user can not monitor charging process in real time, in charging process, occur that battery is overheated, electronic equipment or wireless charging actuator temperature higher situation time, cannot process this situation at once, time one length can damage electronic equipment, and even initiation fire exists certain potential safety hazard;
Thus prior art need to improve.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of system for wireless charging Long-distance Control and long-range control method thereof, wireless charging situation cannot be monitored in real time and the problem causing potential safety hazard to solve prior art user.
In order to achieve the above object, this invention takes following technical scheme: a kind of system for wireless charging Long-distance Control, it comprises: wireless charger and terminal to be charged, and described system also comprises supervising device, and described system is specially:
Described wireless charger is connected with supervising device communication;
Described wireless charger is for detecting the charged state parameter of terminal to be charged and wireless charger and described charged state parameter is sent to supervising device shows;
Described supervising device, for judging whether current charged state parameter is greater than parameter preset, exports the duty of corresponding steering order Long-distance Control wireless charger according to judged result.
The described system for wireless charging Long-distance Control, wherein, described wireless charger comprises:
First supply module, for providing the working power of charging process;
Second supply module, for powering to following detection module, first network link block and energy supply control module;
Detection module, for detecting the charged state parameter of terminal to be charged and wireless charger;
First network link block, for being connected with supervising device communication, being sent to described supervising device and the steering order that supervising device sends is transferred to following energy supply control module by charged state parameter;
Energy supply control module, the steering order for transmitting according to supervising device controls the duty of the first supply module;
Described first supply module connects energy supply control module, and described second supply module connection detection module, first network link block and energy supply control module, described detection module, first network link block, energy supply control module connect successively.
The described system for wireless charging Long-distance Control, wherein, described supervising device comprises;
Second network link block, for being connected with the communication of first network link block, receiving charged state parameter and the steering order that following control module exports is sent to first network link block;
Display module, for showing charged state parameter;
Data processing module, for judging whether charged state parameter is greater than parameter preset and exports judged result to following control module;
Control module, controlling the connection of second network link block opening network for starting charging monitoring pattern on the one hand, being used on the other hand generating corresponding steering order according to judged result and transferring to second network link block;
Described second network link block connects display module, data processing module and control module, described data processing module link control module.
The described system for wireless charging Long-distance Control, wherein, described supervising device also comprises load module, and the operational order for inputting according to user forms corresponding steering order and transfers to second network link block; Described load module connects second network link block.
The described system for wireless charging Long-distance Control, wherein, described supervising device also comprises reminding module, during for judging that charged state parameter is greater than parameter preset when data processing module, sends information reminding user; Described reminding module connection data processing module.
For a long-range control method for the system of wireless charging Long-distance Control, it comprises:
A, set up wireless charger and be connected with the communication of supervising device, detect the charged state parameter of terminal to be charged and wireless charger in real time and be sent to supervising device;
B, described supervising device start charging detecting pattern, receive described charged state parameter and judge whether current charged state parameter is greater than parameter preset, exporting corresponding steering order transfer to wireless charger according to judged result;
C, described wireless charger correspondingly control its duty according to described steering order.
Described long-range control method, wherein, described step B specifically comprises:
B1, set up the connection of described supervising device and wireless charger communication, receive, transmit and show described charged state parameter;
B2, judge whether described charged state parameter is greater than parameter preset: export judged result when being greater than for abnormal; It is normal for exporting judged result when being less than;
B3, generate open steering order when described judged result is normal, when described judged result be abnormal, generation interrupt control instruction, generates and transmits described steering order.
Described long-range control method, wherein, after step B2, also comprises: when data processing module exports judged result for time abnormal, send information reminding user.
Described long-range control method, wherein, described step C specifically comprises:
C1, receive and transmission user input steering order;
C2, identify described steering order, do not deal with when confirming as and opening steering order, control the first supply module when confirming as interrupt control instruction and close, stop working power wireless charger being provided to charging process.
Described long-range control method, wherein, also comprises after described step C: the operational order according to user's input forms corresponding steering order, and controls the duty of described wireless charger according to described steering order.
Compared to prior art, a kind of system for wireless charging Long-distance Control provided by the invention and long-range control method thereof, described system comprises wireless charger and terminal to be charged, wireless charger energy interconnection network, is sent to supervising device by the charged state parameter of the terminal to be charged detected and wireless charger by network and shows; Described supervising device starts charging monitoring pattern and opening network connects, and receives and judges whether current charged state parameter is greater than parameter preset, exporting the duty of corresponding steering order Long-distance Control wireless charger according to judged result; Make user can monitor charging process in real time, Long-distance Control can be carried out to the charging abnormal occurrence occurred any time anywhere, optimize the charging control mode of wireless charger, improve charging security, ensure that product competitive power commercially.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the present invention for the system of wireless charging Long-distance Control.
Fig. 2 is the long-range control method process flow diagram of the present invention for the system of wireless charging Long-distance Control.
Embodiment
The invention provides a kind of system for wireless charging Long-distance Control and long-range control method thereof, for making object of the present invention, technical scheme and effect clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, it is used for the structured flowchart of the system of wireless charging Long-distance Control for the present invention, and described system comprises wireless charger 10 and the supervising device 20 of communication connection.Described wireless charger 10, when charging, detects in real time the charged state parameter of terminal to be charged and wireless charger 10, and this charged state parameter is sent to supervising device 20 shows; Described supervising device 20 starts charging monitoring pattern, receives and judges whether current charged state parameter is greater than parameter preset, exporting the duty of corresponding steering order Long-distance Control wireless charger according to judged result.Wireless charger 10 and supervising device 20 by WIFI(WirelessFidelity, Wireless Fidelity), the mode access network of line of electric force or Ethernet, realize communication and connect.Described charged state parameter comprises battery electric quantity, cell voltage, charging current, battery temperature, the temperature of terminal to be charged, the temperature, charge efficiency etc. of wireless charger.Described terminal to be charged comprises mobile phone, panel computer.
Wherein, described wireless charger 10 comprises the first supply module 101, second supply module 102, detection module 103, first network link block 104 and energy supply control module 105.First supply module 101 is connected with energy supply control module 105, and for providing the working power of wireless charger in charging process, generation charging current is treated charging terminal and charged.Described second supply module 102 connection detection module 103, first network link block 104 and energy supply control module 105, power for giving detection module 103, first network link block 104 and energy supply control module 105.Described detection module 103, first network link block 104, energy supply control module 105 connect successively.Described supervising device 20 comprises display module 201, second network link block 202, data processing module 203 and control module 204.Described second network link block 202 connects display module 201, data processing module 203 and control module 204, described data processing module 203 link control module 204.
In charging process, control module 204 starts charging monitoring pattern control second network link block 202 and sets up network communication with first network link block 104, realizes the transmission of charged state parameter and corresponding steering order.Detection module 103 detects the charged state parameter of terminal to be charged and wireless charger and is transmitted through the network in second network link block 202 by first network link block 104.Charged state parameter transmission shows to display module 201 by second network link block 202, and transfers in data processing module 203 simultaneously and judge whether charged state parameter is greater than parameter preset; If be greater than, represent that charging is abnormal, represent that charging is normal if be less than.Judged result transfers in control module 204 by data processing module 203, control module 204 generates corresponding steering order according to judged result and transfers to second network link block 202, be transmitted through the network to first network link block 104 again, energy supply control module 105 controls the duty of the first supply module 101 according to the described steering order received, if charging is abnormal just stop charging, if charging is normal, keep current charged state.
Described parameter preset is rechargeable standard requirement, if the one or more parameter preset that is greater than in charged state parameter illustrates that appearance charging is abnormal.Such as during charging, battery temperature should more than 55 degrees Celsius, but by the impact of the internal resistance of cell (internal resistance more high-temperature is higher), battery radiating condition and external environment (as summer), battery close on be full of time temperature can up to 70 degrees Celsius.Overheated meeting makes that inside battery part is aging, electrolytic solution increase to rate of propagation outside battery cause internal resistance to increase, serious time can make terminal crash to be charged.If can not process accordingly this abnormal conditions, the serviceable life of battery will be affected, there is certain potential safety hazard.
In the embodiment of the present invention, when occurring that charging is abnormal, carrying out corresponding Long-distance Control except can automatically generate steering order by control module 204, can also be manipulated by user.For this reason, described supervising device 20 also comprises load module 205, and described load module 205 connects second network link block 202, can form corresponding steering order according to the operational order of user's input and transfer to second network link block 202.
Can process charging is abnormal in time to make user, described supervising device 20 also comprises reminding module 206, described reminding module 206 connection data processing module 203, when data processing module 203 judges that charged state parameter is greater than parameter preset, send information reminding user, mode by audible alarm or LED flicker is reminded, then reminding module 206 comprises loudspeaker or LED.
It should be noted that TR069 agreement supported by the wireless charger 10 that the embodiment of the present invention provides and supervising device 20, this agreement can carry out remote centralized management from network side to equipment such as the gateway home network, router, Set Top Box.In embodiments of the present invention, the Long-distance Control that TR069 agreement can realize wireless charger 10 is utilized.In the specific implementation, described supervising device 20 adopts the portable electronic equipment supporting TR069 agreement, as intelligent watch, user can be facilitated to carry and monitor at any time.
Based on the above-mentioned system for wireless charging Long-distance Control, the embodiment of the present invention also provides a kind of long-range control method adopting the above-mentioned system for wireless charging Long-distance Control.As shown in Figure 2, the long-range control method of the described system for wireless charging Long-distance Control comprises:
Step S100, set up wireless charger and be connected with the communication of supervising device, detect the charged state parameter of terminal to be charged and wireless charger in real time and be sent to supervising device;
Step S200, described supervising device start charging detecting pattern, receive described charged state parameter and judge whether current charged state parameter is greater than parameter preset, exporting corresponding steering order transfer to wireless charger according to judged result; Step S300, described wireless charger correspondingly control its duty according to described steering order.
In the step s 100, during charging, wireless charger and supervising device carry out network communication, and after supervising device starts charging monitoring pattern, the network signal searching wireless charger sets up data transmission channel.The temperature of the detection module meeting battery electric quantity that detection is current in real time, cell voltage, charging current, battery temperature, terminal to be charged, the charged state parameters for transmission such as temperature, charge efficiency of wireless charger, to first network link block, are sent in the second network link block of supervising device by network by first network link block.
In embodiments of the present invention, described step S200 specifically comprises:
Step 1, set up the connection of described supervising device and wireless charger communication, receive, transmit and show described charged state parameter;
In the specific implementation, charged state parameter can the mode of numerical value or oscillogram show.If when supervising device adopts described intelligent watch, using other functions of intelligent watch in order to not affect user, the display box of charged state parameter can be exited according to the operation of user, or automatically exited described display box after 1 minute.When needed for display, click or open the icon of display box.
Step 2, judge whether described charged state parameter is greater than parameter preset: export judged result when being greater than for abnormal; It is normal for exporting judged result when being less than;
In this step, every and parameter preset one_to_one corresponding of charged state parameter, when any one parameter in charged state parameter is greater than the parameter value of respective items in parameter preset, judged result is exception; Only have all parameters to be all less than parameter preset just to export normally.Also comprise after described step 2: when data processing module exports judged result for time abnormal, send information reminding user.。Now which abnormal parameters meeting automatic spring one prompting frame on display module, illustrate.While ejection prompting frame, can also with sound or light flash prompting.
Step 3, generate open steering order when described judged result is normal, when described judged result be abnormal, generation interrupt control instruction, generates and transmits described steering order.
Described step S300 specifically comprises:
The first step, receive and transmission user input steering order;
Second step, identify described steering order, do not deal with when confirming as and opening steering order, control the first supply module when confirming as interrupt control instruction and close, stop working power wireless charger being provided to charging process.
If without any problem in charging process, export and open steering order, open based on now the first supply module, now keep its opening.
If there are charging abnormal conditions in charging process, as battery temperature is too high, wireless charger only needs closedown first supply module to stop charging.Second supply module need keep power supply state, such detection module could continue detect current charged state parameter and be sent to supervising device, when supervising device judges that battery temperature drops to chargeable temperature (being less than parameter preset), export unlatching steering order and can open the first supply module, continue charging.
In above-mentioned charging monitoring process, also comprise after step S300: the operational order according to user's input forms corresponding steering order, and controls the duty of described wireless charger according to described steering order.Described supervising device can also be controlled by user's autonomous operation.When user needs interrupt charging process or restart charging, corresponding operational order can be inputted by load module and form corresponding unlatching steering order or interrupt control instruction, then wireless charger is transmitted through the network to by second network link block, control the time-out charging of wireless charger during energy supply control module receive interruption steering order, during receive interruption steering order, open charging.
In sum, its long-range control method of system for wireless charging Long-distance Control provided by the invention, described system comprises the wireless charger and the supervising device that have network savvy and support TR069 agreement, after wireless charger and supervising device carry out network communication, the terminal to be charged of being charged by the real-time detection zone of wireless charger and the charged state parameter of wireless charger, and be sent to supervising device and show, when judging that any one parameter in charged state parameter is greater than parameter value corresponding in parameter preset, generating interrupt control instruction and transferring in wireless charger makes it stop charging, when judging that in charged state parameter, all item parameters are all less than parameter preset, generation is opened steering order and is transferred in wireless charger and makes it keep current charged state or restart charging, make user can monitor charging process in real time, and can automatically process accordingly charging abnormal conditions, the charged state of Long-distance Control wireless charger, optimizes the charging control mode of wireless charger, eliminates potential safety hazard.
In addition, the supervising device in system preferably has network savvy and supports the intelligent watch of TR069 agreement, user can be facilitated to carry with and monitor in real time.User is in any Long-distance Control having the place of network can realize wireless charger.
Be understandable that, for those of ordinary skills, can be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, and all these change or replace the protection domain that all should belong to the claim appended by the present invention.
Claims (9)
1. for a system for wireless charging Long-distance Control, comprising: wireless charger and terminal to be charged, is characterized in that, described system also comprises supervising device, and described system is specially:
Described wireless charger is connected with supervising device communication;
Described wireless charger is for detecting the charged state parameter of terminal to be charged and wireless charger and described charged state parameter is sent to supervising device shows;
Described supervising device, for judging whether current charged state parameter is greater than parameter preset, exports the duty of corresponding steering order Long-distance Control wireless charger according to judged result;
Described wireless charger comprises:
First supply module, for providing the working power of charging process;
Second supply module, for powering to following detection module, first network link block and energy supply control module;
Detection module, for detecting the charged state parameter of terminal to be charged and wireless charger;
First network link block, for being connected with supervising device communication, being sent to described supervising device and the steering order that supervising device sends is transferred to following energy supply control module by charged state parameter;
Energy supply control module, the steering order for transmitting according to supervising device controls the duty of the first supply module;
Described first supply module connects energy supply control module, described second supply module connection detection module, first network link block and energy supply control module, and described detection module, first network link block, energy supply control module connect successively;
There are charging abnormal conditions in charging process, close the first supply module and stop charging, second supply module keeps power supply state, detection module continues detect current charged state parameter and be sent to supervising device, when supervising device judges that charged state parameter is less than parameter preset, export unlatching steering order and open the first supply module, continue charging.
2. the system for wireless charging Long-distance Control according to claim 1, is characterized in that, described supervising device comprises;
Second network link block, for being connected with the communication of first network link block, receiving charged state parameter and the steering order that following control module exports is sent to first network link block;
Display module, for showing charged state parameter;
Data processing module, for judging whether charged state parameter is greater than parameter preset and exports judged result to following control module;
Control module, controlling the connection of second network link block opening network for starting charging monitoring pattern on the one hand, being used on the other hand generating corresponding steering order according to judged result and transferring to second network link block;
Described second network link block connects display module, data processing module and control module, described data processing module link control module.
3. the system for wireless charging Long-distance Control according to claim 2, is characterized in that, described supervising device also comprises load module, and the operational order for inputting according to user forms corresponding steering order and transfers to second network link block; Described load module connects second network link block.
4. the system for wireless charging Long-distance Control according to Claims 2 or 3, it is characterized in that, described supervising device also comprises reminding module, during for judging that charged state parameter is greater than parameter preset when data processing module, sends information reminding user; Described reminding module connection data processing module.
5. adopt a long-range control method for the system for wireless charging Long-distance Control according to claim 1, it is characterized in that, comprising:
A, set up wireless charger and be connected with the communication of supervising device, detect the charged state parameter of terminal to be charged and wireless charger in real time and be sent to supervising device;
B, described supervising device start charging detecting pattern, receive described charged state parameter and judge whether current charged state parameter is greater than parameter preset, exporting corresponding steering order transfer to wireless charger according to judged result;
C, described wireless charger correspondingly control its duty according to described steering order;
There are charging abnormal conditions in charging process, close the first supply module and stop charging, second supply module keeps power supply state, detection module continues detect current charged state parameter and be sent to supervising device, when supervising device judges that charged state parameter is less than parameter preset, export unlatching steering order and open the first supply module, continue charging.
6. long-range control method according to claim 5, is characterized in that, described step B specifically comprises:
B1, set up the connection of described supervising device and wireless charger communication, receive, transmit and show described charged state parameter;
B2, judge whether described charged state parameter is greater than parameter preset: export judged result when being greater than for abnormal; It is normal for exporting judged result when being less than;
B3, generate open steering order when described judged result is normal, when described judged result be abnormal, generation interrupt control instruction, generates and transmits described steering order.
7. long-range control method according to claim 6, is characterized in that, after step B2, also comprises:
When data processing module output judged result is abnormal, send information reminding user.
8. long-range control method according to claim 6, is characterized in that, described step C also comprises:
C1, receive and transmission user input steering order;
C2, identify described steering order, do not deal with when confirming as and opening steering order, control the first supply module when confirming as interrupt control instruction and close, stop working power wireless charger being provided to charging process.
9. the long-range control method according to claim 5 or 8, it is characterized in that, also comprise after described step C: the operational order according to user's input forms corresponding steering order, and controls the duty of described wireless charger according to described steering order.
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| CN201310096827.2A CN103217955B (en) | 2013-03-25 | 2013-03-25 | A kind of system for wireless charging Long-distance Control and long-range control method thereof |
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| CN201310096827.2A CN103217955B (en) | 2013-03-25 | 2013-03-25 | A kind of system for wireless charging Long-distance Control and long-range control method thereof |
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104377747A (en) * | 2013-08-12 | 2015-02-25 | 贵州贵航飞机设计研究所 | Method for improving duration performance of unmanned aerial vehicle through wireless charging technology |
| CN103606262B (en) * | 2013-10-29 | 2016-06-15 | 四川长虹电器股份有限公司 | A kind of with the infrared transponder of wireless charging function, system and charging method |
| CN103633692B (en) * | 2013-11-18 | 2017-06-27 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN104319740A (en) * | 2014-10-14 | 2015-01-28 | 江苏嘉钰新能源技术有限公司 | Monitoring and protecting device for electric field coupling wireless charging system and method thereof |
| CN104317202A (en) * | 2014-11-07 | 2015-01-28 | 高忠青 | Full-automatic electric power intelligent housekeeper control system |
| CN104993973A (en) | 2015-06-25 | 2015-10-21 | 小米科技有限责任公司 | Method and apparatus for monitoring state of compressor of terminal |
| TWI574483B (en) | 2015-09-21 | 2017-03-11 | 緯創資通股份有限公司 | Wireless charging device, wireless charging case and wireless charging method thereof |
| WO2017143545A1 (en) * | 2016-02-24 | 2017-08-31 | 战炜 | Intelligent charger and charging method therefor, and mobile power supply |
| CN107294162B (en) * | 2017-07-05 | 2024-04-16 | 深圳传音控股股份有限公司 | Wireless charging device and charging method thereof |
| CN108496289B (en) * | 2017-07-31 | 2021-04-06 | 深圳市大疆创新科技有限公司 | Battery charging control method, charging equipment, user terminal equipment and system |
| CN109442310B (en) * | 2018-12-20 | 2024-04-16 | 大同裕隆环保有限责任公司 | Wireless lighting system for coal mine mining working face |
| CN110435449A (en) * | 2019-05-26 | 2019-11-12 | 北京有感科技有限责任公司 | Wireless charging monitoring system |
| CN110311476A (en) * | 2019-07-26 | 2019-10-08 | 中国人民解放军陆军工程大学 | A kind of intelligent radio charging unit and its control method for mobile terminal |
| CN112217259B (en) * | 2020-10-26 | 2021-04-20 | 深圳市倍力奇科技有限公司 | Remote management system for wireless charging of internet mobile phone |
| CN112881835A (en) * | 2021-01-19 | 2021-06-01 | 贵州电网有限责任公司 | Battery car charging state analysis method based on electrical characteristic sequence analysis |
| CN112987641A (en) * | 2021-03-01 | 2021-06-18 | 浙江商业职业技术学院(杭州商业技工学校) | Wireless charging monitoring system |
| CN115633322A (en) * | 2022-09-21 | 2023-01-20 | 吉林省中赢高科技有限公司 | Wireless transmission method, computer device, and storage medium |
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| CN201126971Y (en) * | 2007-11-14 | 2008-10-01 | 郑郁歆 | Charging system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201126971Y (en) * | 2007-11-14 | 2008-10-01 | 郑郁歆 | Charging system |
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