WO2020134759A1 - Wireless charging system for nerve stimulator and undervoltage activation method - Google Patents

Wireless charging system for nerve stimulator and undervoltage activation method Download PDF

Info

Publication number
WO2020134759A1
WO2020134759A1 PCT/CN2019/120128 CN2019120128W WO2020134759A1 WO 2020134759 A1 WO2020134759 A1 WO 2020134759A1 CN 2019120128 W CN2019120128 W CN 2019120128W WO 2020134759 A1 WO2020134759 A1 WO 2020134759A1
Authority
WO
WIPO (PCT)
Prior art keywords
module
wireless charging
control terminal
voltage
battery
Prior art date
Application number
PCT/CN2019/120128
Other languages
French (fr)
Chinese (zh)
Inventor
许爱明
朱为然
Original Assignee
苏州景昱医疗器械有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 苏州景昱医疗器械有限公司 filed Critical 苏州景昱医疗器械有限公司
Publication of WO2020134759A1 publication Critical patent/WO2020134759A1/en

Links

Images

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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits

Definitions

  • the invention relates to the technical field of electronics, in particular to a wireless charging system for a neurostimulator and an undervoltage starting method.
  • rechargeable implantable devices generally use rechargeable batteries.
  • rechargeable batteries need to add related protection circuits such as overvoltage, undervoltage, and overcurrent protection.
  • Chinese Patent Application Announcement No. CN107482739A discloses a battery inductive charging device and its system and control method.
  • the battery inductive charging system includes a charging transmitter module and a battery inductive charging device.
  • the battery inductive charging device includes a battery, an induction coil, a charging circuit, The switch circuit and the controller, the induction coil inductive charging transmitter module emits wireless electromagnetic wave energy signals, and converts the electromagnetic wave energy signals into battery charging signals through the charging circuit.
  • the controller detection terminal detects the battery voltage after receiving the charging signal. When the battery voltage When it is low, the charging control terminal of the controller sends an open signal to the switch circuit to charge the battery. When the charging is completed, the controller enters the sleep state.
  • FIG. 1 Another example is the Chinese patent application announcement number CN201528214U, which discloses an intelligent pulse charging circuit, including a switching power supply circuit, a DC pulse generator and a reverse connection protection circuit, an output current detection circuit, a battery voltage detection circuit, an ambient temperature detection circuit, and a charging mode A control circuit, a temperature protection circuit, an automatic shutdown circuit, an input power supply detection circuit, and a local power supply circuit.
  • the switching power supply circuit includes a safety circuit, a rectified current detection circuit, and a power conversion circuit that are sequentially connected to the input power supply;
  • the patent is mainly about the circuit for charging the battery;
  • the battery under-voltage protection circuit When the battery is over-discharged, once the battery under-voltage protection threshold is reached, the battery under-voltage protection circuit is triggered, and the internal discharge switch circuit of the under-voltage protection circuit is in a disconnected state, causing the control terminal to fail to work. Because the control terminal is in an abnormal working state at this time, it cannot transmit modulated signals with the external charger, and the external charger cannot quickly learn the status of the circuits and modules in the body. At this time, when the external charger charges the battery The charging circuit is slow to build and uncontrollable. If the charging circuit is too long, it will cause overheating damage to the human body.
  • the technical problem to be solved by the present invention is to provide a new wireless charging system for a nerve stimulator.
  • the system has the ability to activate the control terminal in time when the rechargeable battery is under-voltage protection, thereby quickly establishing a charging circuit to ensure The nerve stimulator continues to work normally.
  • a wireless charging device includes a wireless charging module, a battery module connected to the wireless charging module, a control terminal connected to the battery module, and the battery module At least includes an under-voltage protection module and a rechargeable battery for controlling the battery module to supply power to the control terminal, the wireless charging device further includes a second stable connection between the wireless charging module and the control terminal Voltage module, the second voltage stabilizing module is used to control the output working voltage to the control terminal in the under-voltage mode of the battery module; also includes modulation communication connected between the control terminal and the wireless charging module Module, the modulation communication module is used to transmit the control signal output by the control terminal to the wireless charging module.
  • a first voltage stabilizing module is provided between the battery module and the control terminal.
  • the wireless charging module includes an LC resonance circuit, and a rectifier filter circuit connected to the LC resonance circuit.
  • the battery module further includes an overvoltage protection circuit connected to the wireless charging module, a voltage stabilization and charging management module connected to the overvoltage protection circuit, the undervoltage protection module is connected to overvoltage and overvoltage
  • a current protection circuit is integrated and connected between the rechargeable battery and the voltage stabilizing and charging management module.
  • the first voltage stabilizing module is connected between the undervoltage protection module and the control terminal.
  • the first voltage stabilizing module includes a first voltage regulator.
  • a unidirectional conductive element is provided between the second voltage stabilizing module and the control terminal.
  • the second voltage stabilizing module includes a second voltage regulator.
  • the unidirectional conductive element includes a diode.
  • the output voltage of the second voltage stabilization module is greater than the minimum operating voltage of the control terminal and less than the undervoltage protection threshold of the undervoltage protection module.
  • one end of the modulation communication module is connected between the LC resonance circuit and the rectification filter circuit, and the other end of the modulation communication module is connected to the control terminal.
  • a wireless charging system applied to a nerve stimulator includes an external wireless charging module and a wireless charging device.
  • the wireless charging device is installed in the body and performs wireless charging in response to a modulation signal sent by the external wireless charging module outside the body.
  • a wireless charging undervoltage starting method includes the following steps:
  • the battery module triggers undervoltage protection, the battery module cannot supply power to the control terminal, the control terminal is in an abnormal working state, the control terminal cannot send a control signal to the modulation communication module and the wireless charging module, and the wireless charging module cannot respond to external modulation Signal, wireless charging is stopped;
  • the second voltage stabilization module is woken up.
  • the second voltage stabilization module is connected to the wireless charging module through one end, and the other end provides the operating voltage to the control terminal.
  • the control terminal enters a normal working state, the control terminal outputs a control signal and inputs the control signal to the wireless charging module through the modulation communication module, and the wireless charging module establishes charging in response to the modulation signal Loop, restart wireless charging.
  • the second voltage stabilizing module detects that the operating voltage of the control terminal reaches the undervoltage threshold voltage of the battery module, the second voltage stabilizing module enters a sleep state and stops to the control terminal Mode provides voltage.
  • the beneficial effect of the present invention is that the present invention can make up for the shortcoming that the battery module cannot be quickly charged when it is under-voltage protected due to over-discharge.
  • the second voltage regulator module can supply power to the control terminal in time to quickly establish the charging circuit and then the battery The module performs fast charging to prevent the charging circuit from being established too long to cause overheating damage to the human body, and also ensures the continuity of battery module charging and the normal operation of the control terminal.
  • FIG. 1 is a circuit schematic diagram 1 of an undervoltage startup circuit of the present invention
  • FIG. 2 is a circuit schematic diagram 2 of an undervoltage startup circuit of the present invention.
  • FIG. 3 is a circuit schematic diagram 3 of an undervoltage startup circuit of the present invention.
  • this embodiment discloses a wireless charging device, including a wireless charging module 1, a battery module 2 connected to the wireless charging module 1, the battery module 2 is used to receive the DC voltage signal of the wireless charging module 1 And charge and discharge management, control terminal 3 connected to battery module 2; battery module 2 at least includes undervoltage protection module 23 and rechargeable battery 25, for controlling battery module 2 to supply power to control terminal 3;
  • the wireless charging device further includes a second voltage stabilizing module 5 connected between the wireless charging module 1 and the control terminal 3, and the second voltage stabilizing module 5 is used to control the output working voltage to the control terminal 3 in the undervoltage mode of the battery module 2; It also includes a modulation communication module 4 connected between the control terminal 3 and the wireless charging module 1, the modulation communication module 4 is used to transmit the control signal output from the control terminal 3 to the wireless charging module 1, the wireless charging module 1
  • the battery module 2 is charged to form a self-feedback start;
  • the first voltage stabilizing module 8 is connected between the battery module 2 and the control terminal 3, and when the power supply of the battery module 2 is normal, outputs the electrical signal of the battery module 2 to the control terminal 3;
  • the second voltage stabilizing module 5 is connected between the wireless charging module 1 and the control terminal 3; when the battery module 2 is under voltage, the electrical signal of the wireless charging module 1 is output to the control terminal 3;
  • Modulation communication module 4 which is connected between the control terminal 3 and the wireless charging module 1, and modulates and couples the control signal to the wireless charging module 1 for mutual inductive communication;
  • the control terminal 3 is communicatively connected to the sensor module 9, the sensor module 9 is electrically connected to the first voltage stabilizing module 8 and the second voltage stabilizing module 5, the sensor module 9 is powered by the first voltage stabilizing module 8 or the second voltage stabilizing module 5, and controls The terminal 3 processes the sensing signal received by the sensor module 9 to obtain a control signal, wherein the sensing signal includes a temperature signal and a power demand magnitude signal;
  • the wireless charging module 1 includes an LC resonance circuit 11 wirelessly transmitted to the outside, a rectifier filter circuit 12 connected to the LC resonance circuit 11, the LC resonance circuit 11 is composed of a receiving coil L and a first capacitor C1 connected in parallel to each other, the receiving coil L and the external Conduct mutual inductance communication, generate current through electromagnetic resonance through LC resonance circuit 11, and rectify and filter the current through rectifier filter circuit 12 to supply power to control terminal 3 and charge battery module 2;
  • the battery module 2 includes an overvoltage protection circuit 21 connected to the wireless charging module 1, a voltage stabilization and charging management module 22 connected to the overvoltage protection circuit 21, and an undervoltage protection module 23 connected in series with the overvoltage and overcurrent protection circuit 24.
  • the undervoltage protection module 23 is simultaneously connected to the voltage stabilization and charging management module 22, and the overvoltage and overcurrent protection circuit 24 is simultaneously connected to the rechargeable battery 25;
  • the over-voltage protection circuit 21 performs first-level over-voltage protection on the rectified and filtered current, and the voltage stabilization and charge management module 22 performs voltage-stabilized charging management on the rechargeable battery 25 during charging.
  • the over-voltage protection circuit 21 Or when the voltage stabilization and charging management module 22 fails, the rechargeable battery 25 is overall protected by the undervoltage protection module 23 and the overvoltage and overcurrent protection circuit 24;
  • undervoltage protection is triggered.
  • the internal discharge switch circuit of the undervoltage protection circuit is in the off state, and the control terminal 3 cannot obtain The electricity cannot work normally, and the control terminal 3 cannot send a signal to the wireless charging module 1 at this time, so that the rechargeable battery 25 cannot be quickly charged;
  • a first voltage stabilizing module 8 is provided between the undervoltage protection module 23 and the control terminal 3.
  • the first voltage stabilizing module 8 accurately regulates the power supplied by the rechargeable battery 25 to the control terminal 3, and the first voltage stabilizing module 8 Including the first regulator LDO1;
  • a unidirectional conductive element is provided between the second voltage stabilizing module 5 and the control terminal 3, and the unidirectional conductive element preferably uses a diode D.
  • the second voltage stabilizing module 5 regulates the external power supplied to the control terminal 3 through the diode D provides unidirectional conduction to ensure the external power supply direction to the control terminal 3 and prevent the leakage current.
  • the second voltage regulator module 5 includes a second voltage regulator LDO2.
  • the second voltage regulator module 5 can also use other existing voltage stabilizers Voltage circuit
  • the output voltage of the second voltage stabilizing module 5 is greater than the minimum operating voltage of the control terminal 3 and less than the undervoltage protection threshold of the undervoltage protection module 23, wherein the minimum operating voltage greater than the control terminal 3 can ensure the normal operation of the control terminal 3 and is less than
  • the undervoltage protection threshold of the undervoltage protection module 2 makes the voltage of the rechargeable battery 25 gradually rise above the undervoltage protection threshold when charging the rechargeable battery 25, and still supplies power to the control terminal 3 through the rechargeable battery 25 instead of passing External power supply to achieve automatic switching, so that the second voltage stabilizing module 5 has been in a standby state, reducing the loss of the second voltage stabilizing module 5 and saving energy;
  • the modulation communication module 4 is composed of a second capacitor C2 and a MOS tube connected in series with each other.
  • the MOS tube is connected to the control terminal 3 at the same time, and the second capacitor C2 is connected to the LC resonance circuit 11 at the same time.
  • the signal is modulated onto the receiving coil L, and the receiving coil L couples and transmits the received information signal to the outside.
  • the outside adjusts its working state according to the received information signal.
  • the MOS tube can also be replaced by a triode or modulated in the communication module 4 On the parallel inductance.
  • the wireless charging device in the above embodiment is applied to a nerve stimulator, the wireless charging device is set in the body, the external wireless charging module 6 is set outside the body, and the wireless charging module 1 of the wireless charging device responds to the external wireless charging module 6 out of the body
  • a wireless charging undervoltage starting method includes the following steps:
  • the battery module 2 triggers undervoltage protection, the battery module 2 cannot supply power to the control terminal 3, the control terminal 3 is in an abnormal working state, and the control terminal 3 cannot send a control signal to the modulation communication module 4 and the wireless charging module 1, wireless charging Module 1 cannot respond to external modulation signals and wireless charging is suspended;
  • the second voltage stabilizing module 5 is woken up, the second voltage stabilizing module 5 is connected to the wireless charging module 1 through one end, and the other end provides the operating voltage to the control terminal 3 when the second voltage stabilizing module 5 detects the operation of the control terminal 3
  • the control terminal 3 enters a normal working state, the control terminal 3 outputs a control signal and inputs the control signal to the wireless charging module 1 through the modulation communication module 4, and the wireless charging module 1 establishes a charging loop in response to the modulation signal To restart wireless charging.
  • the second voltage stabilizing module 5 detects that the operating voltage of the control terminal 3 reaches the undervoltage threshold voltage of the battery module 2, the second voltage stabilizing module 5 enters a sleep state and stops supplying voltage to the control terminal 3, and then passes the battery module 2 Power the control terminal 3.
  • the undervoltage protection module 23 and the overvoltage and overcurrent protection circuit 24 may also be connected in parallel, and both ends are respectively connected to the voltage stabilization and charging management module 22 and the rechargeable battery 25.

Abstract

Disclosed is a wireless charging apparatus, comprising a wireless charging module, a battery module connected to the wireless charging module, and a control terminal connected to the battery module. The battery module at least comprises an undervoltage protection module and a rechargeable battery for controlling the battery module to supply power to the control terminal. The wireless charging apparatus further comprises a second voltage stabilization module connected between the wireless charging module and the control terminal. The second voltage stabilization module is used to control output of an operational voltage to the control terminal when the battery module is in an undervoltage mode. The wireless charging apparatus further comprises a modulation communication module connected between the control terminal and the wireless charging module. The modulation communication module is used to transmit a control signal output by the control terminal to the wireless charging module. The present invention is applicable to an implantable nerve stimulator.

Description

一种用于神经刺激器的无线充电系统以及欠压启动方法Wireless charging system for nerve stimulator and undervoltage starting method 技术领域Technical field
本发明涉及电子技术领域，具体涉及一种用于神经刺激器的无线充电系统以及欠压启动方法。The invention relates to the technical field of electronics, in particular to a wireless charging system for a neurostimulator and an undervoltage starting method.
背景技术Background technique
目前可充电植入式装置一般采用可充电电池，处于安全保护时，可充电电池需要增加过压、欠压和过流保护等相关保护电路。At present, rechargeable implantable devices generally use rechargeable batteries. When in safety protection, rechargeable batteries need to add related protection circuits such as overvoltage, undervoltage, and overcurrent protection.
如中国专利申请公告号CN107482739A公开了一种电池感应充电装置及其系统与控制方法，电池感应充电系统包括了充电发射模块和电池感应充电装置，电池感应充电装置包括电池、感应线圈、充电电路、开关电路以及控制器，感应线圈感应充电发射模块发射的无线电磁波能量信号，通过充电电路将电磁波能量信号转换成电池的充电信号，控制器检测端在接收到充电信号后检测电池电压，当电池电压较低时，控制器充电控制端发出开启信号到开关电路，使电池充电，当充电完成后，控制器进入休眠状态，只有在能耗检测端检测到外部能耗事件发生时，控制器才被唤醒为工作状态，对电池充电；该专利是在能耗检测端检测到外部能耗事件发生时，控制器才被唤醒为工作状态，对电池充电，防止系统对电池进行反复充电；For example, Chinese Patent Application Announcement No. CN107482739A discloses a battery inductive charging device and its system and control method. The battery inductive charging system includes a charging transmitter module and a battery inductive charging device. The battery inductive charging device includes a battery, an induction coil, a charging circuit, The switch circuit and the controller, the induction coil inductive charging transmitter module emits wireless electromagnetic wave energy signals, and converts the electromagnetic wave energy signals into battery charging signals through the charging circuit. The controller detection terminal detects the battery voltage after receiving the charging signal. When the battery voltage When it is low, the charging control terminal of the controller sends an open signal to the switch circuit to charge the battery. When the charging is completed, the controller enters the sleep state. Only when the energy consumption detection terminal detects an external energy consumption event, the controller is Wake up to work state, charge the battery; this patent is only when the energy consumption detection terminal detects an external energy consumption event, the controller is awakened to work state, charge the battery, prevent the system from repeatedly charging the battery;
又如中国专利申请公告号CN201528214U公开了一种智能脉冲充电电路，包括有开关电源电路，直流脉冲发生器及反接保护电路、输出电流检测电路、电池电压检测电路、环境温度检测电路、充电模式控制电路、温度保护电路、自 动关机电路、输入电源检测电路、本机电源电路，所述的开关电源电路包括有连接于输入电源的依次连接的安规电路、整流电流检测电路、功率转换电路；该专利主要讲述的是对电池进行充电的电路；Another example is the Chinese patent application announcement number CN201528214U, which discloses an intelligent pulse charging circuit, including a switching power supply circuit, a DC pulse generator and a reverse connection protection circuit, an output current detection circuit, a battery voltage detection circuit, an ambient temperature detection circuit, and a charging mode A control circuit, a temperature protection circuit, an automatic shutdown circuit, an input power supply detection circuit, and a local power supply circuit. The switching power supply circuit includes a safety circuit, a rectified current detection circuit, and a power conversion circuit that are sequentially connected to the input power supply; The patent is mainly about the circuit for charging the battery;
当电池处于过放电时，一旦达到电池欠压保护阈值时就会触发电池欠压保护电路，欠压保护电路内部放电开关电路处于断开状态，导致控制终端无法工作。由于此时控制终端处于非正常工作状态，所以无法和体外充电器进行调制信号传输，体外充电器就无法很快的得知体内各电路、模块的状态，此时，体外充电器给电池充电时充电回路建立缓慢，且不可控，充电回路建立过长还会给人体带来过热伤害。When the battery is over-discharged, once the battery under-voltage protection threshold is reached, the battery under-voltage protection circuit is triggered, and the internal discharge switch circuit of the under-voltage protection circuit is in a disconnected state, causing the control terminal to fail to work. Because the control terminal is in an abnormal working state at this time, it cannot transmit modulated signals with the external charger, and the external charger cannot quickly learn the status of the circuits and modules in the body. At this time, when the external charger charges the battery The charging circuit is slow to build and uncontrollable. If the charging circuit is too long, it will cause overheating damage to the human body.
发明内容Summary of the invention
本发明要解决的技术问题是提供一种新的用于神经刺激器的无线充电系统，该系统具有在可充电电池处于欠压保护时，仍能够及时激活控制终端，从而快速建立充电回路，保证神经刺激器持续正常工作。The technical problem to be solved by the present invention is to provide a new wireless charging system for a nerve stimulator. The system has the ability to activate the control terminal in time when the rechargeable battery is under-voltage protection, thereby quickly establishing a charging circuit to ensure The nerve stimulator continues to work normally.
为了解决上述技术问题，本发明采用的技术方案如下：一种无线充电装置，包括无线充电模块，与所述无线充电模块连接的电池模块，与所述电池模块连接的控制终端，所述电池模块至少包括欠压保护模块和可充电电池，用于控制所述电池模块向所述控制终端供电，所述无线充电装置还包括与所述无线充电模块与所述控制终端之间连接的第二稳压模块，所述第二稳压模块用于在所述电池模块欠压模式下控制输出工作电压至所述控制终端；还包括连接于所述控制终端与所述无线充电模块之间的调制通信模块，所述调制通信模块用于将所述控制终端输出的控制信号传输至所述无线充电模块。In order to solve the above technical problems, the technical solutions adopted by the present invention are as follows: A wireless charging device includes a wireless charging module, a battery module connected to the wireless charging module, a control terminal connected to the battery module, and the battery module At least includes an under-voltage protection module and a rechargeable battery for controlling the battery module to supply power to the control terminal, the wireless charging device further includes a second stable connection between the wireless charging module and the control terminal Voltage module, the second voltage stabilizing module is used to control the output working voltage to the control terminal in the under-voltage mode of the battery module; also includes modulation communication connected between the control terminal and the wireless charging module Module, the modulation communication module is used to transmit the control signal output by the control terminal to the wireless charging module.
进一步的，优选地，所述电池模块与所述控制终端之间设有第一稳压模块。Further, preferably, a first voltage stabilizing module is provided between the battery module and the control terminal.
优选地，所述无线充电模块包括LC谐振电路，与所述LC谐振电路连接的整流滤波电路。Preferably, the wireless charging module includes an LC resonance circuit, and a rectifier filter circuit connected to the LC resonance circuit.
更优选地，所述电池模块还包括与所述无线充电模块连接的过压保护电路、 与所述过压保护电路连接的稳压和充电管理模块，所述欠压保护模块与过压和过流保护电路集成设置并且连接在所述可充电电池与所述稳压和充电管理模块之间。More preferably, the battery module further includes an overvoltage protection circuit connected to the wireless charging module, a voltage stabilization and charging management module connected to the overvoltage protection circuit, the undervoltage protection module is connected to overvoltage and overvoltage A current protection circuit is integrated and connected between the rechargeable battery and the voltage stabilizing and charging management module.
更优选地，所述第一稳压模块连接于所述欠压保护模块与所述控制终端之间。More preferably, the first voltage stabilizing module is connected between the undervoltage protection module and the control terminal.
更优选地，所述第一稳压模块包括第一稳压器。More preferably, the first voltage stabilizing module includes a first voltage regulator.
优选地，所述第二稳压模块与所述控制终端之间设有单向导电元件。Preferably, a unidirectional conductive element is provided between the second voltage stabilizing module and the control terminal.
更优选地，所述第二稳压模块包括第二稳压器。More preferably, the second voltage stabilizing module includes a second voltage regulator.
更优选地，所述单向导电元件包括二极管。More preferably, the unidirectional conductive element includes a diode.
优选地，所述第二稳压模块的输出电压大于所述控制终端的最低工作电压、小于所述欠压保护模块的欠压保护阈值。Preferably, the output voltage of the second voltage stabilization module is greater than the minimum operating voltage of the control terminal and less than the undervoltage protection threshold of the undervoltage protection module.
更优选地，所述调制通信模块一端连接至所述LC谐振电路和所述整流滤波电路之间，所述调制通信模块另一端与所述控制终端连接。More preferably, one end of the modulation communication module is connected between the LC resonance circuit and the rectification filter circuit, and the other end of the modulation communication module is connected to the control terminal.
一种应用于神经刺激器的无线充电系统，包括外部无线充电模块，还包括无线充电装置，所述的无线充电装置设置在体内，响应体外的外部无线充电模块发出的调制信号进行无线充电。A wireless charging system applied to a nerve stimulator includes an external wireless charging module and a wireless charging device. The wireless charging device is installed in the body and performs wireless charging in response to a modulation signal sent by the external wireless charging module outside the body.
一种无线充电欠压启动方法，包括以下步骤：A wireless charging undervoltage starting method includes the following steps:
(1)电池模块触发欠压保护，电池模块无法给控制终端供电，所述控制终端处于非正常工作状态，控制终端无法发出控制信号至调制通信模块和无线充电模块，无线充电模块无法响应外部调制信号，无线充电中止；(1) The battery module triggers undervoltage protection, the battery module cannot supply power to the control terminal, the control terminal is in an abnormal working state, the control terminal cannot send a control signal to the modulation communication module and the wireless charging module, and the wireless charging module cannot respond to external modulation Signal, wireless charging is stopped;
(2)第二稳压模块被唤醒，第二稳压模块通过一端连接无线充电模块，另外一端给所述控制终端提供工作电压，当第二稳压模块检测到控制终端的工作 电压小于欠压阙值电压时，所述控制终端进入正常工作状态，所述控制终端输出控制信号并通过所述调制通信模块将控制信号输入到所述无线充电模块上，所述无线充电模块响应调制信号建立充电回路，重新启动无线充电。(2) The second voltage stabilization module is woken up. The second voltage stabilization module is connected to the wireless charging module through one end, and the other end provides the operating voltage to the control terminal. When the second voltage stabilization module detects that the operating voltage of the control terminal is less than the undervoltage At a threshold voltage, the control terminal enters a normal working state, the control terminal outputs a control signal and inputs the control signal to the wireless charging module through the modulation communication module, and the wireless charging module establishes charging in response to the modulation signal Loop, restart wireless charging.
优选地，当所述第二稳压模块检测到所述控制终端的工作电压达到所述电池模块的欠压阙值电压时，所述第二稳压模块进入休眠状态，停止向所述控制终端模式提供电压。Preferably, when the second voltage stabilizing module detects that the operating voltage of the control terminal reaches the undervoltage threshold voltage of the battery module, the second voltage stabilizing module enters a sleep state and stops to the control terminal Mode provides voltage.
本发明的有益效果在于：本发明能够弥补电池模块由于过放电而受到欠压保护时导致无法快速充电的不足，通过第二稳压模块能及时对控制终端进行供电从而快速建立充电回路继而对电池模块进行快速充电，防止充电回路建立过长给人体带来过热伤害，也保证了电池模块充电的连续性以及控制终端的正常工作。The beneficial effect of the present invention is that the present invention can make up for the shortcoming that the battery module cannot be quickly charged when it is under-voltage protected due to over-discharge. The second voltage regulator module can supply power to the control terminal in time to quickly establish the charging circuit and then the battery The module performs fast charging to prevent the charging circuit from being established too long to cause overheating damage to the human body, and also ensures the continuity of battery module charging and the normal operation of the control terminal.
附图说明BRIEF DESCRIPTION
图1是本发明一种欠压启动电路的电路原理图一；FIG. 1 is a circuit schematic diagram 1 of an undervoltage startup circuit of the present invention;
图2是本发明一种欠压启动电路的电路原理图二；2 is a circuit schematic diagram 2 of an undervoltage startup circuit of the present invention;
图3是本发明一种欠压启动电路的电路原理图三。FIG. 3 is a circuit schematic diagram 3 of an undervoltage startup circuit of the present invention.
图中标号说明：1、无线充电模块，11、LC谐振电路，12、整流滤波电路，2、电池模块，21、过压保护电路，22、稳压和充电管理模块，23、欠压保护模块，24、过压和过流保护电路，25、可充电电池，3、控制终端，4、调制通信模块，5、第二稳压模块，6、外部无线充电模块，8、第一稳压模块，9、传感器模块。Explanation of labels in the figure: 1, wireless charging module, 11, LC resonance circuit, 12, rectifier filter circuit, 2, battery module, 21, overvoltage protection circuit, 22, voltage regulation and charging management module, 23, undervoltage protection module , 24, overvoltage and overcurrent protection circuit, 25, rechargeable battery, 3. control terminal, 4, modulation communication module, 5, second voltage regulator module, 6, external wireless charging module, 8, first voltage regulator module , 9. Sensor module.
具体实施方式detailed description
下面结合附图和具体实施例对本发明作进一步说明，以使本领域的技术人员可以更好地理解本发明并能予以实施，但所举实施例不作为对本发明的限定。The present invention will be further described below with reference to the drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.
参照图1和2所示，本实施例公开了一种无线充电装置，包括无线充电模块1，与无线充电模块1连接的电池模块2，电池模块2用以接收无线充电模块1的直流电压信号并进行充放电管理，与电池模块2连接的控制终端3；电池模块2至少包括欠压保护模块23和可充电电池25，用于控制电池模块2向控制终端3供电；1 and 2, this embodiment discloses a wireless charging device, including a wireless charging module 1, a battery module 2 connected to the wireless charging module 1, the battery module 2 is used to receive the DC voltage signal of the wireless charging module 1 And charge and discharge management, control terminal 3 connected to battery module 2; battery module 2 at least includes undervoltage protection module 23 and rechargeable battery 25, for controlling battery module 2 to supply power to control terminal 3;
无线充电装置还包括与无线充电模块1与控制终端3之间连接的第二稳压模块5，第二稳压模块5用于在电池模块2欠压模式下控制输出工作电压至控制终端3；还包括连接于控制终端3与无线充电模块1之间的调制通信模块4，调制通信模块4用于将控制终端3输出的控制信号传输至无线充电模块1，无线充电模块1给欠压状态的电池模块2充电从而形成自反馈启动；The wireless charging device further includes a second voltage stabilizing module 5 connected between the wireless charging module 1 and the control terminal 3, and the second voltage stabilizing module 5 is used to control the output working voltage to the control terminal 3 in the undervoltage mode of the battery module 2; It also includes a modulation communication module 4 connected between the control terminal 3 and the wireless charging module 1, the modulation communication module 4 is used to transmit the control signal output from the control terminal 3 to the wireless charging module 1, the wireless charging module 1 The battery module 2 is charged to form a self-feedback start;
第一稳压模块8，其连接于电池模块2与控制终端3之间，当电池模块2供电正常时，将电池模块2的电信号输出至控制终端3；The first voltage stabilizing module 8 is connected between the battery module 2 and the control terminal 3, and when the power supply of the battery module 2 is normal, outputs the electrical signal of the battery module 2 to the control terminal 3;
第二稳压模块5，其连接于无线充电模块1与控制终端3之间；当电池模块2欠压时，将无线充电模块1的电信号输出至控制终端3；The second voltage stabilizing module 5 is connected between the wireless charging module 1 and the control terminal 3; when the battery module 2 is under voltage, the electrical signal of the wireless charging module 1 is output to the control terminal 3;
调制通信模块4，其连接于控制终端3与无线充电模块1之间，且将控制信号进行调制并耦合至无线充电模块1以进行互感方式通信； Modulation communication module 4, which is connected between the control terminal 3 and the wireless charging module 1, and modulates and couples the control signal to the wireless charging module 1 for mutual inductive communication;
控制终端3与传感器模块9通信连接，传感器模块9与第一稳压模块8和第二稳压模块5电连接，传感器模块9通过第一稳压模块8或者第二稳压模块5供电，控制终端3根据传感器模块9接收到的感测信号加以处理得到控制信号，其中感测信号包括温度信号、功率需求大小信号；The control terminal 3 is communicatively connected to the sensor module 9, the sensor module 9 is electrically connected to the first voltage stabilizing module 8 and the second voltage stabilizing module 5, the sensor module 9 is powered by the first voltage stabilizing module 8 or the second voltage stabilizing module 5, and controls The terminal 3 processes the sensing signal received by the sensor module 9 to obtain a control signal, wherein the sensing signal includes a temperature signal and a power demand magnitude signal;
无线充电模块1包括与外部无线传输的LC谐振电路11，与LC谐振电路11连接的整流滤波电路12，LC谐振电路11由相互并联的接收线圈L和第一电容C1组成，接收线圈L和外部进行互感通信，通过LC谐振电路11进行电磁谐振产生电流，同时通过整流滤波电路12对电流进行整流滤波从而给控制终端3供电以及给电池模块2充电；The wireless charging module 1 includes an LC resonance circuit 11 wirelessly transmitted to the outside, a rectifier filter circuit 12 connected to the LC resonance circuit 11, the LC resonance circuit 11 is composed of a receiving coil L and a first capacitor C1 connected in parallel to each other, the receiving coil L and the external Conduct mutual inductance communication, generate current through electromagnetic resonance through LC resonance circuit 11, and rectify and filter the current through rectifier filter circuit 12 to supply power to control terminal 3 and charge battery module 2;
电池模块2包括与无线充电模块1连接的过压保护电路21、与过压保护电路21连接的稳压和充电管理模块22，欠压保护模块23与过压和过流保护电路 24相串联，欠压保护模块23同时与稳压和充电管理模块22连接，过压和过流保护电路24同时与可充电电池25连接；The battery module 2 includes an overvoltage protection circuit 21 connected to the wireless charging module 1, a voltage stabilization and charging management module 22 connected to the overvoltage protection circuit 21, and an undervoltage protection module 23 connected in series with the overvoltage and overcurrent protection circuit 24. The undervoltage protection module 23 is simultaneously connected to the voltage stabilization and charging management module 22, and the overvoltage and overcurrent protection circuit 24 is simultaneously connected to the rechargeable battery 25;
在充电时，通过过压保护电路21对整流滤波后的电流进行一级过压保护，稳压和充电管理模块22对可充电电池25在充电时进行稳压充电管理，在过压保护电路21或稳压和充电管理模块22产生故障时，通过欠压保护模块23以及过压和过流保护电路24对可充电电池25进行整体保护；During charging, the over-voltage protection circuit 21 performs first-level over-voltage protection on the rectified and filtered current, and the voltage stabilization and charge management module 22 performs voltage-stabilized charging management on the rechargeable battery 25 during charging. The over-voltage protection circuit 21 Or when the voltage stabilization and charging management module 22 fails, the rechargeable battery 25 is overall protected by the undervoltage protection module 23 and the overvoltage and overcurrent protection circuit 24;
当可充电电池25过放电而导致可充电电池25的电压低于欠压保护模块23的保护阈值时就触发欠压保护，欠压保护电路内部放电开关电路处于断开状态，控制终端3无法得电从而无法正常工作，此时控制终端3无法发出信号给无线充电模块1，从而无法给可充电电池25快速充电；When the rechargeable battery 25 is over-discharged and the voltage of the rechargeable battery 25 is lower than the protection threshold of the undervoltage protection module 23, undervoltage protection is triggered. The internal discharge switch circuit of the undervoltage protection circuit is in the off state, and the control terminal 3 cannot obtain The electricity cannot work normally, and the control terminal 3 cannot send a signal to the wireless charging module 1 at this time, so that the rechargeable battery 25 cannot be quickly charged;
欠压保护模块23与控制终端3之间设有第一稳压模块8，通过第一稳压模块8对可充电电池25给控制终端3供的电进行精准稳压，第一稳压模块8包括第一稳压器LDO1；A first voltage stabilizing module 8 is provided between the undervoltage protection module 23 and the control terminal 3. The first voltage stabilizing module 8 accurately regulates the power supplied by the rechargeable battery 25 to the control terminal 3, and the first voltage stabilizing module 8 Including the first regulator LDO1;
第二稳压模块5与控制终端3之间设有单向导电元件，单向导电元件优选采用二极管D，通过第二稳压模块5对外部给控制终端3供的电进行稳压，通过二极管D提供单向导通，保证外部给控制终端3的供电方向，防止漏电流的产生，第二稳压模块5包括第二稳压器LDO2，第二稳压模块5也可以采用其他现有的稳压电路；A unidirectional conductive element is provided between the second voltage stabilizing module 5 and the control terminal 3, and the unidirectional conductive element preferably uses a diode D. The second voltage stabilizing module 5 regulates the external power supplied to the control terminal 3 through the diode D provides unidirectional conduction to ensure the external power supply direction to the control terminal 3 and prevent the leakage current. The second voltage regulator module 5 includes a second voltage regulator LDO2. The second voltage regulator module 5 can also use other existing voltage stabilizers Voltage circuit
第二稳压模块5的输出电压大于控制终端3的最低工作电压、小于欠压保护模块23的欠压保护阈值，其中，大于控制终端3的最低工作电压能够保证控制终端3的正常工作，小于欠压保护模块2的欠压保护阈值使得在给可充电电池25充电时，可充电电池25的电压逐渐上升高于欠压保护阈值后，仍旧通过可充电电池25给控制终端3供电而不是通过外部进行供电，从而实现自动切换，使第二稳压模块5一直处于备用状态，减少第二稳压模块5的损耗，节约能源；The output voltage of the second voltage stabilizing module 5 is greater than the minimum operating voltage of the control terminal 3 and less than the undervoltage protection threshold of the undervoltage protection module 23, wherein the minimum operating voltage greater than the control terminal 3 can ensure the normal operation of the control terminal 3 and is less than The undervoltage protection threshold of the undervoltage protection module 2 makes the voltage of the rechargeable battery 25 gradually rise above the undervoltage protection threshold when charging the rechargeable battery 25, and still supplies power to the control terminal 3 through the rechargeable battery 25 instead of passing External power supply to achieve automatic switching, so that the second voltage stabilizing module 5 has been in a standby state, reducing the loss of the second voltage stabilizing module 5 and saving energy;
调制通信模块4由相互串联的第二电容C2和MOS管组成，MOS管同时与控制终端3连接，第二电容C2同时与LC谐振电路11连接，通过调制通信模块4将控制终端3发出的控制信号调制到接收线圈L上，接收线圈L将接收到信息 信号耦合传输给外部，外部根据接收的信息信号来调整自身的工作状态，其中，MOS管还可以由三极管进行替换或者在调制通信模块4上并联电感。The modulation communication module 4 is composed of a second capacitor C2 and a MOS tube connected in series with each other. The MOS tube is connected to the control terminal 3 at the same time, and the second capacitor C2 is connected to the LC resonance circuit 11 at the same time. The signal is modulated onto the receiving coil L, and the receiving coil L couples and transmits the received information signal to the outside. The outside adjusts its working state according to the received information signal. Among them, the MOS tube can also be replaced by a triode or modulated in the communication module 4 On the parallel inductance.
将上述实施例中的无线充电装置运用到神经刺激器中，将无线充电装置设置在体内，外部无线充电模块6设置在体外，无线充电装置的无线充电模块1响应体外的外部无线充电模块6发出的调制信号从而对充电电池25无线充电或者直接对控制终端3供电；The wireless charging device in the above embodiment is applied to a nerve stimulator, the wireless charging device is set in the body, the external wireless charging module 6 is set outside the body, and the wireless charging module 1 of the wireless charging device responds to the external wireless charging module 6 out of the body The modulation signal of the wireless charging of the rechargeable battery 25 or directly supplying power to the control terminal 3;
一种无线充电欠压启动方法，包括以下步骤：A wireless charging undervoltage starting method includes the following steps:
(1)电池模块2触发欠压保护，电池模块2无法给控制终端3供电，控制终端3处于非正常工作状态，控制终端3无法发出控制信号至调制通信模块4和无线充电模块1，无线充电模块1无法响应外部调制信号，无线充电中止；(1) The battery module 2 triggers undervoltage protection, the battery module 2 cannot supply power to the control terminal 3, the control terminal 3 is in an abnormal working state, and the control terminal 3 cannot send a control signal to the modulation communication module 4 and the wireless charging module 1, wireless charging Module 1 cannot respond to external modulation signals and wireless charging is suspended;
(2)第二稳压模块5被唤醒，第二稳压模块5通过一端连接无线充电模块1，另外一端给控制终端3提供工作电压，当第二稳压模块5检测到控制终端3的工作电压小于欠压阙值电压时，控制终端3进入正常工作状态，控制终端3输出控制信号并通过调制通信模块4将控制信号输入到无线充电模块1上，无线充电模块1响应调制信号建立充电回路，重新启动无线充电。(2) The second voltage stabilizing module 5 is woken up, the second voltage stabilizing module 5 is connected to the wireless charging module 1 through one end, and the other end provides the operating voltage to the control terminal 3 when the second voltage stabilizing module 5 detects the operation of the control terminal 3 When the voltage is less than the undervoltage threshold voltage, the control terminal 3 enters a normal working state, the control terminal 3 outputs a control signal and inputs the control signal to the wireless charging module 1 through the modulation communication module 4, and the wireless charging module 1 establishes a charging loop in response to the modulation signal To restart wireless charging.
当第二稳压模块5检测到控制终端3的工作电压达到电池模块2的欠压阙值电压时，第二稳压模块5进入休眠状态，停止向控制终端3提供电压，此时通过电池模块2给控制终端3供电。When the second voltage stabilizing module 5 detects that the operating voltage of the control terminal 3 reaches the undervoltage threshold voltage of the battery module 2, the second voltage stabilizing module 5 enters a sleep state and stops supplying voltage to the control terminal 3, and then passes the battery module 2 Power the control terminal 3.
参照图3所示，本实施例中欠压保护模块23与过压和过流保护电路24还可以相并联，并且两端分别与稳压和充电管理模块22以及可充电电池25连接。Referring to FIG. 3, in this embodiment, the undervoltage protection module 23 and the overvoltage and overcurrent protection circuit 24 may also be connected in parallel, and both ends are respectively connected to the voltage stabilization and charging management module 22 and the rechargeable battery 25.
以上所述实施例仅是为充分说明本发明而所举的较佳的实施例，本发明的保护范围不限于此。本技术领域的技术人员在本发明基础上所作的等同替代或变换，均在本发明的保护范围之内。本发明的保护范围以权利要求书为准。The above-mentioned embodiments are only preferred embodiments for fully illustrating the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or changes made by those skilled in the art on the basis of the present invention are within the protection scope of the present invention. The protection scope of the present invention is subject to the claims.

Claims (14)

  1. 一种无线充电装置，其特征在于，包括无线充电模块，与所述无线充电模块连接的电池模块，与所述电池模块连接的控制终端，所述电池模块至少包括欠压保护模块和可充电电池，用于控制所述电池模块向所述控制终端供电，所述无线充电装置还包括与所述无线充电模块与所述控制终端之间连接的第二稳压模块，所述第二稳压模块用于在所述电池模块欠压模式下控制输出工作电压至所述控制终端；还包括连接于所述控制终端与所述无线充电模块之间的调制通信模块，所述调制通信模块用于将所述控制终端输出的控制信号传输至所述无线充电模块。A wireless charging device, characterized in that it includes a wireless charging module, a battery module connected to the wireless charging module, and a control terminal connected to the battery module, the battery module includes at least an undervoltage protection module and a rechargeable battery For controlling the battery module to supply power to the control terminal, the wireless charging device further includes a second voltage stabilizing module connected between the wireless charging module and the control terminal, the second voltage stabilizing module It is used to control the output working voltage to the control terminal in the undervoltage mode of the battery module; it also includes a modulation communication module connected between the control terminal and the wireless charging module, the modulation communication module is used to The control signal output by the control terminal is transmitted to the wireless charging module.
  2. 如权利要求1所述的一种无线充电装置，其特征在于，所述电池模块与所述控制终端之间设有第一稳压模块。The wireless charging device according to claim 1, wherein a first voltage stabilizing module is provided between the battery module and the control terminal.
  3. 如权利要求1所述的一种无线充电装置，其特征在于，所述无线充电模块包括LC谐振电路，与所述LC谐振电路连接的整流滤波电路。The wireless charging device according to claim 1, wherein the wireless charging module includes an LC resonant circuit and a rectifier filter circuit connected to the LC resonant circuit.
  4. 如权利要求2所述的一种无线充电装置，其特征在于，所述电池模块还包括与所述无线充电模块连接的过压保护电路、与所述过压保护电路连接的稳压和充电管理模块，所述欠压保护模块与过压和过流保护电路集成设置并且连接在所述可充电电池和所述稳压和充电管理模块之间。The wireless charging device according to claim 2, wherein the battery module further includes an overvoltage protection circuit connected to the wireless charging module, a voltage regulator and a charge management connected to the overvoltage protection circuit A module, the undervoltage protection module is integrated with an overvoltage and overcurrent protection circuit and connected between the rechargeable battery and the voltage regulation and charging management module.
  5. 如权利要求4所述的一种无线充电装置，其特征在于，所述第一稳压模块连接于所述欠压保护模块与所述控制终端之间。The wireless charging device of claim 4, wherein the first voltage stabilizing module is connected between the undervoltage protection module and the control terminal.
  6. 如权利要求2或5所述的一种无线充电装置，其特征在于，所述第一稳压模块包括第一稳压器。The wireless charging device according to claim 2 or 5, wherein the first voltage stabilizing module includes a first voltage stabilizing device.
  7. 如权利要求1所述的一种无线充电装置，其特征在于，所述第二稳压模块与所述控制终端之间设有单向导电元件。The wireless charging device according to claim 1, wherein a unidirectional conductive element is provided between the second voltage stabilizing module and the control terminal.
  8. 如权利要求1或7所述的一种无线充电装置，其特征在于，所述第二稳 压模块包括第二稳压器。A wireless charging device according to claim 1 or 7, wherein the second voltage stabilizing module includes a second voltage regulator.
  9. 如权利要求7所述的一种无线充电装置，其特征在于，所述单向导电元件包括二极管。A wireless charging device according to claim 7, wherein said unidirectional conductive element comprises a diode.
  10. 如权利要求1所述的一种无线充电装置，其特征在于，所述第二稳压模块的输出电压大于所述控制终端的最低工作电压、小于所述欠压保护模块的欠压保护阈值。The wireless charging device of claim 1, wherein the output voltage of the second voltage stabilizing module is greater than the minimum operating voltage of the control terminal and less than the undervoltage protection threshold of the undervoltage protection module.
  11. 如权利要求3所述的一种无线充电装置，其特征在于，所述调制通信模块一端连接至所述LC谐振电路和所述整流滤波电路之间，所述调制通信模块另一端与所述控制终端连接。The wireless charging device according to claim 3, wherein one end of the modulation communication module is connected between the LC resonance circuit and the rectifier filter circuit, and the other end of the modulation communication module is connected to the control Terminal connection.
  12. 一种应用于神经刺激器的无线充电系统，包括外部无线充电模块，其特征在于，还包括如权利要求1～11任意一项所述的无线充电装置，所述的无线充电装置设置在体内，响应体外的外部无线充电模块发出的调制信号进行无线充电。A wireless charging system applied to a nerve stimulator, including an external wireless charging module, characterized in that it further includes the wireless charging device according to any one of claims 1 to 11, the wireless charging device being provided in the body, The wireless charging is performed in response to the modulation signal sent by the external wireless charging module outside the body.
  13. 一种无线充电欠压启动方法，其特征在于，包括以下步骤：A wireless charging undervoltage starting method, characterized in that it includes the following steps:
    (1)电池模块触发欠压保护，电池模块无法给控制终端供电，所述控制终端处于非正常工作状态，控制终端无法发出控制信号至调制通信模块和无线充电模块，无线充电模块无法响应外部调制信号，无线充电中止；(1) The battery module triggers undervoltage protection, the battery module cannot supply power to the control terminal, the control terminal is in an abnormal working state, the control terminal cannot send a control signal to the modulation communication module and the wireless charging module, and the wireless charging module cannot respond to external modulation Signal, wireless charging is stopped;
    (2)第二稳压模块被唤醒，第二稳压模块通过一端连接无线充电模块，另外一端给所述控制终端提供工作电压，当第二稳压模块检测到控制终端的工作电压小于过压阙值电压时，所述控制终端进入正常工作状态，所述控制终端输出控制信号并通过所述调制通信模块将控制信号输入到所述无线充电模块上，所述无线充电模块响应调制信号建立充电回路，重新启动无线充电。(2) The second voltage stabilization module is woken up. The second voltage stabilization module is connected to the wireless charging module through one end, and the other end provides the operating voltage to the control terminal. When the second voltage regulation module detects that the operating voltage of the control terminal is less than the overvoltage At a threshold voltage, the control terminal enters a normal working state, the control terminal outputs a control signal and inputs the control signal to the wireless charging module through the modulation communication module, and the wireless charging module establishes charging in response to the modulation signal Loop, restart wireless charging.
  14. 如权利要求13所述的一种无线充电欠压启动控制方法，其特征在于， 当所述第二稳压模块检测到所述控制终端的工作电压达到所述电池模块的过压阙值电压时，所述第二稳压模块进入休眠状态，停止向所述控制终端模式提供电压。The wireless charging undervoltage start-up control method according to claim 13, wherein when the second voltage stabilizing module detects that the operating voltage of the control terminal reaches the overvoltage threshold voltage of the battery module , The second voltage stabilizing module enters a sleep state and stops supplying voltage to the control terminal mode.
PCT/CN2019/120128 2018-12-25 2019-11-22 Wireless charging system for nerve stimulator and undervoltage activation method WO2020134759A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811591137.3A CN111371131A (en) 2018-12-25 2018-12-25 Wireless charging system for nerve stimulator and under-voltage starting method
CN201811591137.3 2018-12-25

Publications (1)

Publication Number Publication Date
WO2020134759A1 true WO2020134759A1 (en) 2020-07-02

Family

ID=71128651

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/120128 WO2020134759A1 (en) 2018-12-25 2019-11-22 Wireless charging system for nerve stimulator and undervoltage activation method

Country Status (2)

Country Link
CN (1) CN111371131A (en)
WO (1) WO2020134759A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050037256A1 (en) * 2003-08-11 2005-02-17 Hiroshi Mukainakano Rechargeable implantable battery pack with battery management circuit
US20140249603A1 (en) * 2005-08-30 2014-09-04 Boston Scientific Neuromodulation Corporation Battery Charger Circuit for Battery Powered Implantable Neurostimulation Systems
CN105148402A (en) * 2015-08-03 2015-12-16 北京品驰医疗设备有限公司 Charging type implantable medical device having protection and limiting functions
CN105978110A (en) * 2016-07-15 2016-09-28 上海力声特医学科技有限公司 Wireless charging device and sacral nerve stimulation system thereof
CN108233550A (en) * 2018-02-01 2018-06-29 上海电机学院 A kind of multistage multi-panel magnetic resonance pacemaker wireless charging system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4435000B2 (en) * 2005-03-11 2010-03-17 セイコーエプソン株式会社 Battery control circuit, electronic device equipped with the battery control circuit, charge control program, and charge control method
CN102025178A (en) * 2010-12-20 2011-04-20 中兴通讯股份有限公司 Terminal and wireless charging method and system of terminal
WO2014132486A1 (en) * 2013-02-27 2014-09-04 日立マクセル株式会社 Small electric device provided with non-contact charger and non-contact charging system
CN103595144B (en) * 2013-10-23 2015-09-23 北京航天控制仪器研究所 A kind of implantable left ventricular assist system of wireless power transmission
US10277059B2 (en) * 2017-04-24 2019-04-30 Witricity Corporation Wireless battery charger
CN206865234U (en) * 2017-07-08 2018-01-09 厦门新页科技有限公司 Disconnected system is filled during a kind of solution mobile phone wireless charging
CN210327052U (en) * 2018-12-25 2020-04-14 苏州景昱医疗器械有限公司 Wireless charging device and wireless charging system using same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050037256A1 (en) * 2003-08-11 2005-02-17 Hiroshi Mukainakano Rechargeable implantable battery pack with battery management circuit
US20140249603A1 (en) * 2005-08-30 2014-09-04 Boston Scientific Neuromodulation Corporation Battery Charger Circuit for Battery Powered Implantable Neurostimulation Systems
CN105148402A (en) * 2015-08-03 2015-12-16 北京品驰医疗设备有限公司 Charging type implantable medical device having protection and limiting functions
CN105978110A (en) * 2016-07-15 2016-09-28 上海力声特医学科技有限公司 Wireless charging device and sacral nerve stimulation system thereof
CN108233550A (en) * 2018-02-01 2018-06-29 上海电机学院 A kind of multistage multi-panel magnetic resonance pacemaker wireless charging system

Also Published As

Publication number Publication date
CN111371131A (en) 2020-07-03

Similar Documents

Publication Publication Date Title
US10516299B2 (en) Power reception device and power reception method for non-contact power transmission
US8803364B2 (en) Power transmission control device, power transmitting device, non-contact power transmission system, electronic instrument, and power transmission control method
US10141787B2 (en) Receiving circuit for magnetic coupling resonant wireless power transmission
US8188709B2 (en) Power transmission control device, power transmitting device, non-contact power transmitting system, and electronic instrument
US8026694B2 (en) Power transmission control device, power transmission device, non-contact power transmission system, and electronic instrument
US9818530B2 (en) Adaptive wireless power transfer system and method
KR20150048879A (en) System and method for bidirectional wireless power transfer
US9019726B2 (en) Power converters with quasi-zero power consumption
CN103812195A (en) Wireless charge and discharge circuit, terminal device and wireless charge and discharge method
CN106786886B (en) wireless charging system charging method based on load identification technology
US20130257359A1 (en) Charger
KR200415537Y1 (en) Contact-less charger having wire charging part
US20150084581A1 (en) Charging device configured to reduce power consumption during non-charging period
US20180006567A1 (en) Control method for power transmitter, power transmitter and noncontact power transfer apparatus
CN203278327U (en) Backup power supply charging and discharging control circuit
US9325191B2 (en) Charger in which power consumption is reduced
CN210327052U (en) Wireless charging device and wireless charging system using same
WO2020134759A1 (en) Wireless charging system for nerve stimulator and undervoltage activation method
KR101213089B1 (en) Method for controlling received power in wireless power receiving device and wireless power receiving device thereof
CN103269118A (en) Back-up source power supply control circuit
CN102938570B (en) Power supply system and power supply method
CN213183071U (en) Unit controller control circuit based on bluetooth
WO2017134346A1 (en) Method for maintaining a battery
CN113394831B (en) DCDC-based pre-detection device and method
CN210468905U (en) Wide-voltage wireless charging circuit with standby power consumption less than 0.3W

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19902919

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19902919

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 19902919

Country of ref document: EP

Kind code of ref document: A1