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WO2018058778A1 - Procédé et système de commande de charge sans fil, et terminal de transmission de charge sans fil ainsi que terminal de réception - Google Patents

Procédé et système de commande de charge sans fil, et terminal de transmission de charge sans fil ainsi que terminal de réception Download PDF

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Publication number
WO2018058778A1
WO2018058778A1 PCT/CN2016/107782 CN2016107782W WO2018058778A1 WO 2018058778 A1 WO2018058778 A1 WO 2018058778A1 CN 2016107782 W CN2016107782 W CN 2016107782W WO 2018058778 A1 WO2018058778 A1 WO 2018058778A1
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WO
WIPO (PCT)
Prior art keywords
wireless charging
real
time
charging
power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2016/107782
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English (en)
Chinese (zh)
Inventor
张潮红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Publication of WO2018058778A1 publication Critical patent/WO2018058778A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • 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
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • 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
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • 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
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to the field of wireless charging, and in particular, to a wireless charging control method and system, a wireless charging transmitting end, and a receiving end.
  • WPC Wireless Power Consortium
  • WPC wireless charging efficiency has a great relationship with the charging position. If there is deviation, the charging efficiency will be greatly increased. Discounts, existing wireless charging transmitters are all indications of charging status and fault status. It is difficult for the user to know whether the charging efficiency has reached the maximum state and the user experience is reduced.
  • the embodiment of the invention provides a wireless charging control method and system, a wireless charging transmitting end and a receiving end, so as to solve the problem that the existing user cannot know the charging efficiency when using wireless charging.
  • the embodiment of the present invention adopts the following technical solutions:
  • a wireless charging control method includes:
  • real-time wireless charging power is used for calculating the real-time charging coupling coefficient of the wireless charging transmitting end
  • a wireless charging control method includes:
  • Real-time wireless charging transmission efficiency is calculated according to real-time wireless charging power and real-time transmitting power
  • real-time charging coupling coefficient is calculated according to real-time wireless charging transmission efficiency and ideal wireless charging transmission efficiency
  • the method further includes:
  • the optimal charging position guide box is displayed.
  • displaying the real-time charging coupling coefficient includes:
  • a wireless charging control method includes:
  • the wireless charging transmitter transmits a wireless charging wave, performs energy transmission, and acquires real-time transmitting power
  • the wireless charging receiving end receives the wireless charging wave, performs wireless charging, detects the real-time wireless charging power, and transmits the real-time wireless charging power to the wireless charging transmitting end;
  • the wireless charging transmitter receives the real-time wireless charging power from the wireless charging receiving end, calculates the real-time wireless charging transmission efficiency according to the real-time wireless charging power and the real-time transmitting power, and calculates the real-time charging coupling coefficient according to the real-time wireless charging transmission efficiency and the ideal wireless charging transmission efficiency. , shows the real-time charging coupling coefficient.
  • a wireless charging receiver includes:
  • the charging module is configured to receive a wireless charging wave for wireless charging
  • the detecting module is configured to detect real-time wireless charging power, and the real-time wireless charging power is set to calculate a real-time charging coupling coefficient of the wireless charging transmitting end;
  • the sending module is set to send real-time wireless charging power.
  • a wireless charging transmitter includes:
  • a transmitting module configured to transmit a wireless charging wave for energy emission
  • a receiving module configured to receive real-time wireless charging power from the wireless charging receiving end
  • the calculation module is configured to calculate real-time wireless charging transmission efficiency according to real-time wireless charging power and real-time transmitting power; calculate real-time charging coupling coefficient according to real-time wireless charging transmission efficiency and ideal wireless charging transmission efficiency;
  • the display module is set to display the real-time charging coupling coefficient.
  • the display module is further configured to count the number of changes of the real-time charging coupling coefficient within a preset time period; if the number of changes is greater than the preset number of times, the optimal charging position guiding frame is displayed.
  • the display module is configured to invoke a coupled status indicator bar comprised of a plurality of LED lights; displaying a percentage and/or color status that matches the real-time charging coupling coefficient.
  • a wireless charging control system includes: a wireless charging receiving end provided by the present invention, and a wireless charging transmitting end, wherein
  • the wireless charging transmitter transmits a wireless charging wave, performs energy transmission, and acquires real-time transmitting power
  • the wireless charging receiving end receives the wireless charging wave, performs wireless charging, detects the real-time wireless charging power, and transmits the real-time wireless charging power to the wireless charging transmitting end;
  • the wireless charging transmitter also receives the real-time wireless charging power from the wireless charging receiving end, calculates the real-time wireless charging transmission efficiency according to the real-time wireless charging power and the real-time transmitting power, and calculates the real-time charging coupling according to the real-time wireless charging transmission efficiency and the ideal wireless charging transmission efficiency.
  • the coefficient shows the real-time charging coupling coefficient.
  • a wireless charging transmitter includes: a display device, a processor, a communication device, and a transmitting device, wherein
  • the transmitting device comprises a power transmitting circuit and a transmitting coil, and emits a wireless charging wave for energy emission;
  • the communication device After establishing the two-way communication with the wireless charging receiving end, the communication device receives the real-time wireless charging power from the wireless charging receiving end;
  • the processor is connected to the display device, the communication device and the transmitting device, and obtains the real-time transmitting power of the power transmitting circuit, and calculates the real-time wireless charging transmission efficiency according to the real-time wireless charging power and the real-time transmitting power; according to the real-time wireless charging transmission efficiency and the ideal wireless charging transmission efficiency Calculating a real-time charging coupling coefficient and transmitting it to the display device;
  • the display device includes a coupled status indicator bar that displays the real-time charging coupling coefficient.
  • the processor further counts the number of changes of the real-time charging coupling coefficient within a preset duration, and if the number of changes is greater than the preset number of times, the trigger display device displays the optimal charging position guide frame.
  • the coupling state indicator bar is composed of a plurality of LED lights, and according to the real-time charging coupling coefficient, the matching displays the corresponding percentage and/or color state.
  • the wireless charging control method provided by the embodiment of the invention increases the coupling coefficient such as the coupling degree indicator bar at the transmitting end of the wireless charger, and calculates the coupling coefficient according to the wireless charging power and the real-time charging power during charging, in the wireless charging Real-time display of the coupling degree between the transmitting end and the receiving end, prompting the user's current alignment degree, ensuring that the user can put the mobile phone in the best position through the status indication when performing wireless charging, ensuring the highest charging efficiency, and solving the existing user's use of wireless charging. I can't know the charging efficiency problem and improve the user experience.
  • FIG. 1 is a flowchart of a wireless charging control method according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic diagram of a wireless charging control system according to Embodiment 2 of the present invention.
  • FIG. 3 is a schematic diagram of a wireless charging transmitting end according to Embodiment 3 of the present invention.
  • FIG. 4 is a schematic diagram of a wireless charging system according to Embodiment 4 of the present invention.
  • FIG. 5 is a flowchart of a wireless charging method according to Embodiment 4 of the present invention.
  • FIG. 6 is a schematic diagram of a coupling state display according to an embodiment of the present invention.
  • FIG. 7 is another schematic diagram of a coupling state display according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of an optimal charging position guiding frame according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a multi-charge module according to an embodiment of the present invention.
  • the present invention is applicable to all terminals supporting wireless charging functions, including PCs, mobile phones, PADs, and the like.
  • the present invention will be further described in detail below with reference to the accompanying drawings.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the wireless charging control method provided in this embodiment includes the following processes:
  • the wireless charging transmitter transmits a wireless charging wave, performs energy transmission, and acquires real-time transmitting power
  • the wireless charging transmitter uses WPC wireless charging technology for charging.
  • WPC wireless charging is energy transmission through a magnetic field, and at the same time, amplitude modulation is performed by means of a magnetic field waveform, and the content that needs communication is loaded on the transmission waveform.
  • the wireless charging receiving end receives the wireless charging wave, performs wireless charging, detects the real-time wireless charging power, and transmits the real-time wireless charging power to the wireless charging transmitting end;
  • the wireless charging transmitter and the wireless charging receiver establish a two-way connection through Bluetooth, infrared, NFC (Near Field Communication) and other technologies, and realize real-time wireless charging power transmission and reception through the two-way connection.
  • the authentication mechanism may also be included.
  • the wireless charging transmitter obtains the identity of the wireless charging receiver through Bluetooth, etc., such as the device identifier IME, and then verifies the device. After the verification is passed, the two-way connection is established and enabled.
  • the wireless charging function performs wireless charging radio wave transmission.
  • the wireless charging receiving end sends the real-time wireless charging power to the wireless charging transmitting end, which may be acquired and sent after receiving the power request of the wireless charging transmitting end through the two-way connection, or may be active after starting the wireless charging. Reported.
  • the wireless charging transmitter receives the real-time wireless charging power from the wireless charging receiving end, calculates the real-time wireless charging transmission efficiency according to the real-time wireless charging power and the real-time transmitting power, and calculates the real-time charging according to the real-time wireless charging transmission efficiency and the ideal wireless charging transmission efficiency.
  • Coupling coefficient showing the real-time charging coupling coefficient
  • the wireless charging transmitting base transmits energy through the power circuit, and at the same time, the transmitting information of the receiving end RX is obtained through the demodulation circuit, and is sent to the MCU for analysis and then related adjustment of the wireless charging;
  • the embodiment of the wireless charging control method of the foregoing embodiment at the wireless charging receiving end includes:
  • real-time wireless charging power is used for calculating the real-time charging coupling coefficient of the wireless charging transmitting end
  • the wireless charging control method of the foregoing embodiment is embodied in the wireless charging transmitting end, including:
  • Real-time wireless charging transmission efficiency is calculated according to real-time wireless charging power and real-time transmitting power
  • real-time charging coupling coefficient is calculated according to real-time wireless charging transmission efficiency and ideal wireless charging transmission efficiency
  • the wireless charging control method of the foregoing embodiment after displaying the real-time charging coupling coefficient, further includes:
  • the optimal charging position guide box is displayed.
  • the optimal charging position guide frame is as shown in FIG. 8, and its outline can also be formed by a plurality of LED lamps. If within a preset period of time, for example, within 1 minute, the real-time charging coupling coefficient changes a plurality of times, for example, 5 times, indicating that the user is not satisfied with the current charging coupling coefficient, is adjusting, and has not been able to adjust to a satisfactory coupling coefficient. At this point, you need to display the optimal charging position guide box, so that the user can intuitively get how to adjust the position of the charging device such as the mobile phone to obtain the best coupling coefficient and speed up the charging.
  • the display real-time charging coupling coefficient of the above embodiment includes:
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the wireless charging control system provided in this embodiment includes: a wireless charging receiving end 1 and a wireless charging transmitting end 2, wherein
  • the wireless charging transmitter 2 transmits a wireless charging wave, performs energy transmission, and acquires real-time transmission power;
  • the wireless charging receiving end 1 receives the wireless charging wave, performs wireless charging, detects the real-time wireless charging power, and transmits the real-time wireless charging power to the wireless charging transmitting end;
  • the wireless charging transmitter 2 also receives the real-time wireless charging power from the wireless charging receiving end, calculates the real-time wireless charging transmission efficiency according to the real-time wireless charging power and the real-time transmitting power, and calculates the real-time charging according to the real-time wireless charging transmission efficiency and the ideal wireless charging transmission efficiency. Coupling coefficient, showing the real-time charging coupling coefficient.
  • the wireless charging receiving end 1 of the above embodiment includes:
  • the charging module 11 is configured to receive a wireless charging wave for wireless charging
  • the detecting module 12 is configured to detect real-time wireless charging power, and the real-time wireless charging power is set to calculate a real-time charging coupling coefficient by the wireless charging transmitting end;
  • the sending module 13 is configured to transmit real-time wireless charging power.
  • the wireless charging transmitter 2 of the above embodiment includes:
  • the transmitting module 21 is configured to transmit a wireless charging wave to perform energy emission
  • the obtaining module 22 is configured to obtain real-time transmit power
  • the receiving module 23 is configured to receive real-time wireless charging power from the wireless charging receiving end;
  • the calculating module 24 is configured to calculate real-time wireless charging transmission efficiency according to real-time wireless charging power and real-time transmitting power; calculate real-time charging coupling coefficient according to real-time wireless charging transmission efficiency and ideal wireless charging transmission efficiency;
  • the display module 25 is configured to display a real-time charging coupling coefficient.
  • the display module 25 of the above embodiment is further configured to count the number of changes of the real-time charging coupling coefficient within a preset time period; if the number of changes is greater than the preset number of times, the display is the most Good charging position guide frame.
  • the display module 25 of the above-described embodiment is configured to invoke a coupled status indicator bar comprised of a plurality of LED lights; displaying a percentage and/or color status that matches the real-time charging coupling coefficient.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • FIG. 3 is a schematic diagram of a wireless charging transmitting end according to Embodiment 3 of the present invention.
  • the wireless charging transmitting end provided in this embodiment includes: a display device 31, a processor 32, a communication device 33, and a transmitting device 34, wherein ,
  • the transmitting device 34 includes a power transmitting circuit and a transmitting coil for transmitting wireless charging waves for energy emission;
  • the communication device 33 is configured to receive real-time wireless charging power from the wireless charging receiving end after establishing two-way communication with the wireless charging receiving end;
  • the processor 32 is connected to the display device 31, the communication device 33 and the transmitting device 34 for acquiring the real-time transmit power of the power transmitting circuit, and calculating the real-time wireless charging transmission efficiency according to the real-time wireless charging power and the real-time transmitting power; according to the real-time wireless charging transmission efficiency And ideal wireless charging transmission efficiency, calculate the real-time charging coupling coefficient, and transmit to the display device 31;
  • Display device 31 includes a coupling status indicator bar for displaying real-time charging coupling coefficients.
  • the processor 32 of the above embodiment is further configured to count the number of changes of the real-time charging coupling coefficient within a preset time period. If the number of changes is greater than the preset number of times, the trigger display device 31 displays the optimal charging position guide. frame.
  • the coupling state indicator strip of the above embodiment is composed of a plurality of LED lights, and the matching displays the corresponding percentage and/or color state according to the real-time charging coupling coefficient.
  • the wireless charging transmitter can support multiple mobile phones and other devices to simultaneously charge, as shown in FIG. 9, which can simultaneously support two mobile phone charging, then correspondingly, a coupling state indicator bar can be respectively set for two charging coils.
  • the optimal position guiding frame; for the communication device and the processor, the plurality of charging coils may be shared, or may be separately provided for each charging coil.
  • the device identification of the wireless charging receiving end device needs to be determined to determine the corresponding Charging coil.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the state indicator is added at the wireless charger end, and the current transmitting end and the accepted transmission efficiency are calculated according to the power situation of the transmitting end and the receiving end, and the ideal value is performed.
  • the degree of coupling of wireless charging can be displayed in real time. When fully aligned, it displays 100% or full color. When there is no alignment, the corresponding percentage or half color state is displayed according to the ratio of the ideal value, so that the user can judge whether the position is in the best position, which can be used when charging is urgently needed. Guarantee the best charging efficiency.
  • WPC wireless charging is the energy transmission through the magnetic field, and at the same time, the amplitude modulation is performed by means of the magnetic field waveform, and the content to be communicated is loaded on the transmission waveform.
  • the wireless charging transmitter base performs energy transmission through the power circuit, and at the same time, the transmission information of the receiving end RX is obtained through the demodulation circuit, and is sent to the MCU for analysis and then related adjustment of the wireless charging.
  • a coupling state indicator bar is added to the wireless charging transmitting end, and is composed of a plurality of LED lighting lamps.
  • the wireless charging control method provided in this embodiment is shown in FIG. 5. The specific steps are not described in detail.
  • the method sends the power data Pr received from the charger end through the mobile terminal, and the wireless charger terminal can calculate its own transmitting power Pt in real time.
  • the indicator bar all displays green when fully coupled; otherwise, according to the coupling degree coefficient, if the degree of coupling is 80%, the state as shown in FIG. 7 is displayed.
  • the degree of coupling between the transmitting end and the receiving end is displayed in the wireless charging real-time display, prompting the user to the current alignment degree, and ensuring that the user is performing.
  • the phone can be placed in the best position by state indication to ensure the highest charging efficiency.
  • the wireless charging control method provided by the embodiment of the invention increases the coupling coefficient such as the coupling degree indicator bar at the transmitting end of the wireless charger, and calculates the coupling coefficient according to the wireless charging power and the real-time charging power during charging, in the wireless charging Real-time display of the coupling degree between the transmitting end and the receiving end, prompting the user's current alignment degree, ensuring that the user can put the mobile phone in the best position through the status indication when performing wireless charging, ensuring the highest charging efficiency, and solving the existing user's use of wireless charging. I can't know the charging efficiency problem and improve the user experience.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un procédé et un système de commande de charge sans fil, et un terminal de transmission de charge sans fil (2) ainsi qu'un terminal de réception (1). Le procédé comprend les étapes suivantes : le terminal de transmission de charge sans fil (2) transmet une onde radio de charge sans fil pour effectuer une transmission d'énergie et acquiert une puissance de transmission en temps réel (S101) ; le terminal de réception de charge sans fil (1) reçoit l'onde radio de charge sans fil pour effectuer une charge sans fil et détecte une puissance de charge sans fil en temps réel (S102) ; et le terminal de transmission de charge sans fil (2) calcule une efficacité de transmission de charge sans fil en temps réel en fonction de la puissance de charge sans fil en temps réel et de la puissance de transmission en temps réel, et calcule et affiche un coefficient de couplage de charge en temps réel en fonction de l'efficacité de transmission de charge sans fil en temps réel et d'une efficacité de transmission de charge sans fil idéale (S103). En ajoutant un composant d'affichage tel qu'un indicateur de degré de couplage au niveau du terminal de transmission (2) d'un chargeur sans fil, un degré de couplage est affiché en temps réel pendant la charge, de façon à indiquer un degré d'alignement actuel à un utilisateur. L'invention résout un problème existant selon lequel un utilisateur ne peut pas déterminer l'efficacité de charge pendant la charge sans fil, et améliore ainsi l'expérience de l'utilisateur.
PCT/CN2016/107782 2016-09-29 2016-11-29 Procédé et système de commande de charge sans fil, et terminal de transmission de charge sans fil ainsi que terminal de réception Ceased WO2018058778A1 (fr)

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CN201610864368.1 2016-09-29
CN201610864368.1A CN106451803B (zh) 2016-09-29 2016-09-29 一种无线充电控制方法及系统、无线充电发射端及接收端

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CN113746211A (zh) * 2021-07-26 2021-12-03 惠州市德赛西威汽车电子股份有限公司 一种车载无线充电端点亮对应手机logo灯的方法及系统
CN114709936A (zh) * 2022-04-02 2022-07-05 安徽华昇能源互联网研究院有限公司 电力智能锁无线充电系统

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CN208849475U (zh) * 2018-06-14 2019-05-10 深圳市乐得瑞科技有限公司 一种无线充电设备
CN110531198A (zh) * 2019-09-29 2019-12-03 江西联智集成电路有限公司 无线充电设备效率检测机台及无线充电设备效率检测系统
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CN112713634A (zh) * 2020-12-30 2021-04-27 苏州中能绿慧新能源科技有限公司 一种电场耦合无线充电系统
CN116545136B (zh) * 2023-06-30 2023-12-22 深圳市森树强电子科技有限公司 一种基于快速充电技术的无线充电器及其控制方法

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CN104393688A (zh) * 2014-11-13 2015-03-04 镇江博联电子科技有限公司 具有充电优先级判定功能的无线充电装置及其充电方法
CN104852445A (zh) * 2015-05-22 2015-08-19 陕西德联电力科技有限公司 一种基于app控制的桌面无线充电器
CN105006893A (zh) * 2015-05-25 2015-10-28 福建联迪商用设备有限公司 一种无线密码键盘的充电系统及充电底座

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CN110544962A (zh) * 2018-05-28 2019-12-06 厦门新页微电子技术有限公司 一种双充无线充电发射器
CN113746211A (zh) * 2021-07-26 2021-12-03 惠州市德赛西威汽车电子股份有限公司 一种车载无线充电端点亮对应手机logo灯的方法及系统
CN114709936A (zh) * 2022-04-02 2022-07-05 安徽华昇能源互联网研究院有限公司 电力智能锁无线充电系统

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