CN113452159A - Wireless charging system of cardiac pacemaker - Google Patents
Wireless charging system of cardiac pacemaker Download PDFInfo
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- CN113452159A CN113452159A CN202110751712.7A CN202110751712A CN113452159A CN 113452159 A CN113452159 A CN 113452159A CN 202110751712 A CN202110751712 A CN 202110751712A CN 113452159 A CN113452159 A CN 113452159A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
- H02J50/23—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves characterised by the type of transmitting antennas, e.g. directional array antennas or Yagi antennas
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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- 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
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
- H02J7/0049—Detection of fully charged condition
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electrotherapy Devices (AREA)
Abstract
The invention discloses a wireless charging system of a cardiac pacemaker. The wireless charging device is used for charging the battery of the implanted cardiac pacemaker, and comprises: the system comprises a radio frequency transmitter and an energy receiver, wherein the radio frequency transmitter comprises a transmitting source module consisting of a phased array module and a CPU management module and is used for generating radio frequency waveforms; the transmitting antenna module consists of a circularly polarized rectangular antenna array and a positioning receiver and is used for transmitting and focusing radio waves; the energy receiver part comprises a receiving antenna module consisting of a positioning transmitter and a receiving antenna, and is used for positioning the direction of the energy receiver and receiving radio waves. The invention solves the charging problem of the cardiac pacemaker through a radio frequency wireless charging technology, does not need to replace the cardiac pacemaker in an operation, does not need to accurately focus and charge, has a tracking and positioning function, reduces the operation risk of a patient and greatly improves the charging flexibility.
Description
Technical Field
The invention relates to the technical field of medical electronic instruments, in particular to a wireless charging system of a cardiac pacemaker.
Background
Since the first cardiac pacemaker was implanted into the human body in 1958, the manufacturing technology and process of the pacemaker were rapidly developed, and the function of the pacemaker was gradually improved. While the pacemaker is successfully used for treating bradyarrhythmia and saving thousands of patients, the pacemaker is also applied to tachyarrhythmia and non-cardioelectric diseases, such as paroxysmal atrial tachyarrhythmia, carotid sinus syncope, dual-chamber synchronous treatment drug refractory congestive heart failure and the like.
The main treatment method is to implant an electronic therapeutic instrument, namely a cardiac pacemaker, into a body, deliver electric pulses powered by a battery through a pulse generator, stimulate cardiac muscles contacted with electrodes through conduction of lead electrodes, and enable the heart to excite and contract, thereby achieving the purpose of treating arrhythmia.
After the implanted cardiac pacemaker reaches a certain age, the battery is exhausted, and the pacemaker needs to be replaced again by surgery, which brings the risk and economic burden to the patient.
Disclosure of Invention
In order to solve the problem that the pacemaker can only be replaced by an operation when the energy of the battery is exhausted, the invention provides a wireless charging system of the cardiac pacemaker.
The specific technical scheme for solving the technical problems is as follows:
a wireless charging system for a cardiac pacemaker, the wireless charging system comprising a radio frequency transmitter and an energy receiver; the radio frequency transmitter is arranged outside the human body, and the energy receiver is arranged inside the human body and used for supplying power to the cardiac pacemaker; the radio frequency transmitter provides energy to the energy receiver by transmitting radio frequency energy through an antenna; the energy receiver receives radio frequency energy by the antenna and then converts the radio frequency energy into electric energy to supply power to the cardiac pacemaker;
the radio frequency transmitter comprises a CPU management module, a voltage control circuit, a phase shifter, a band-pass filter, a power amplifier, a radio frequency signal source, a power divider, an analog-to-digital conversion module, a power amplifier, a transmitting antenna array and a positioning receiver; the energy receiver comprises a receiving antenna, a positioning transmitter, a rectifying module, an energy storage module and a charging and discharging management module;
the positioning receiver receives a pilot signal sent by a positioning transmitter in the energy receiver, amplifies the pilot signal by a low-noise power amplifier, filters the amplified pilot signal by a band-pass filter, and sends pilot information to a CPU (central processing unit) management module by an analog-to-digital conversion module;
the CPU management module carries out azimuth analysis through pilot frequency information, then gives out a corresponding emission control signal and sends the emission control signal to the voltage control circuit, and the voltage control circuit outputs a corresponding voltage control phase shifter;
the radio frequency signal source distributes radio frequency signals to the phase shifter of each antenna unit branch after being distributed by the power distributor; the phase shifter is controlled by the voltage control signal to make the radio frequency signal be a specific phase so as to make the radio frequency energy directionally transmitted to the energy receiver;
the radio frequency signal of which the phase is shifted by the phase shifter is filtered by a band-pass filter and amplified by a power amplifier and then is sent to a transmitting antenna to transmit radio frequency energy; the transmitting antenna array analyzes the pilot signal through the CPU management module to determine the position of the energy receiver so as to converge the radio frequency energy radiation to the position of the energy receiver;
the receiving antenna receives radio frequency energy and converts the radio frequency energy into alternating current to be output;
the rectification module converts alternating current output by the receiving antenna into direct current, and the energy storage module stores the direct current;
the charging and discharging management module monitors whether the energy storage module is full of electric quantity, and if the charging and discharging management module monitors that the energy storage module is full of electric quantity, an instruction for stopping positioning charging is sent to the positioning transmitter;
the positioning transmitter sends charging stopping information to the positioning receiver, the positioning receiver transmits the information to the CPU management module, then the CPU management module controls the system to stop charging, controls the display screen to display the charging stopping information and controls the buzzer to prompt.
Further, the transmitting antenna array is a circularly polarized rectangular antenna array.
Further, the energy storage module is a lithium battery capable of being charged and discharged, and the rectifying module between the receiving antenna and the lithium battery is sequentially provided with an impedance matching circuit, a filter circuit, a rectifying circuit and a voltage stabilizing circuit.
Furthermore, the transmitting antenna array is a radio frequency energy transmitting device, the positioning receiver can receive a pilot signal sent by an energy receiver, the pilot signal is sent to the CPU management module through the analog-to-digital conversion module to analyze the position of the energy receiver, and then the directivity of the transmitting antenna is controlled by controlling the phase shifter so as to realize radio frequency energy convergence.
Further, the transmitting antenna array is a 3x3 antenna array and is composed of 3 sub-arrays of 3x1, so as to achieve the effect of radiation energy convergence, and the positioning receiver is a 4x1 antenna array.
Further, the energy receiver is mounted on a housing of the cardiac pacemaker for reducing the volume of the cardiac pacemaker.
Further, a positioning transmitter in the energy receiver can send charging state information to the radio frequency transmitter to be displayed on a display screen of the radio frequency transmitter.
Further, the display screen of the positioning transmitter is an LCD1602 display screen.
Further, after the electric quantity is full or the electric quantity is lower than the threshold value, the positioning transmitter sends a message that the electric quantity is full to stop charging or the electric quantity is insufficient to be charged to the radio frequency transmitter, a display screen of the radio frequency transmitter displays the message and the buzzer regularly rings for 3s to remind that the charging is finished or the charging is started.
Further, the positioning transmitter may send both pilot information for positioning and charging status information.
As an example, the transmitting antenna array is a circularly polarized rectangular antenna array, and the position signal received by the positioning receiver is sent to the analog-to-digital conversion module, and then a digital signal is transmitted to the CPU management module to analyze the positioning information of the energy receiver; the transmitting antenna array is a 3x3 antenna array and consists of 3x1 sub-arrays and is used for generating sequentially changed radiation directions so as to realize the effect of radiation energy convergence. The positioning receiver is a 4x1 antenna array.
As an illustration, the energy storage module includes a rechargeable lithium battery; the charging and discharging management module monitors whether the electric quantity of the energy storage module is full, if the electric quantity is monitored to be lower than a set value, a command needing charging is sent to the positioning transmitter, the positioning transmitter receives the command and then sends information for starting charging and positioning information, the positioning receiver receives the information for starting charging and then sends the information to the CPU management module after amplifying, filtering and performing analog-to-digital conversion, the CPU management module controls a display screen in the display module to display the information for starting charging, and a buzzer in the display module sends a prompt tone and the radio frequency transmitter starts to position and transmit radio frequency energy; if the charging and discharging management module monitors that the electric quantity is full, the charging of the energy storage module is immediately stopped, an instruction of stopping the charging when the electric quantity is full is sent to the positioning transmitter, and the positioning transmitter stops sending a positioning signal and then sends information of stopping the charging when the positioning transmitter obtains the instruction of full electric quantity; the positioning receiver receives the charging stopping information, the charging stopping information is amplified, filtered and subjected to analog-to-digital conversion, and then is transmitted to the CPU management module, the CPU management module controls a display screen in the display module to display the charging stopping information, and a buzzer in the display module sends out a prompt tone while the radio frequency transmitter stops transmitting radio frequency energy.
As an illustration, the display module includes a display screen of a type LCD1602 and a buzzer; the buzzer regularly gives out 3s of prompt sound when charging is started and stopped, and the display screen displays the information sent by the positioning transmitter.
The invention has the following beneficial effects:
the invention adopts a radio frequency energy power supply design, positions the pacemaker through a phased array antenna, then directionally transmits radio frequency energy to an energy receiver through a transmitting antenna array, and further converts the radio frequency energy into current to charge a lithium battery of an energy storage module so as to supply power to the pacemaker, and the cardiac pacemaker does not need to be replaced in an operation, so that the risk and the economic burden of the operation of a patient are greatly reduced. The charging information can be displayed, and the function of reminding and informing is achieved.
Drawings
FIG. 1 is a schematic structural diagram of a radio frequency transmitter of a radio frequency energy transmission system for wireless charging of an implanted cardiac pacemaker according to the present invention;
FIG. 2 is a schematic diagram of an energy receiver of an RF energy transmission system for wireless charging of an implantable cardiac pacemaker according to the present invention;
fig. 3 is a schematic diagram of a transmit antenna array structure;
FIG. 4 is a schematic view of an energy receptor configuration;
wherein: positioning a receiving antenna-1; a radio frequency transmit antenna array-2; a circuit board-3; an antenna carrier plate-4; a bracket-5; a display screen-6; a buzzer-7; an energy receiving antenna-8; positioning a transmitting antenna-9; a battery-10; a power management circuit board-11; an energy receiver housing-12; cardiac pacemaker-13;
Detailed Description
The technical scheme of the invention is described in detail in the following with reference to the accompanying drawings.
Referring to fig. 1 and 2, a schematic structure diagram of a wireless charging system of a cardiac pacemaker comprises a radio frequency transmitter and an energy receiver; the radio frequency transmitter is arranged outside the human body, and the energy receiver is arranged inside the human body and is electrically connected with the cardiac pacemaker 206; the rf transmitter provides electrical energy to the energy receiver by transmitting rf energy through the transmit antenna array 109; the energy receiver is used to power cardiac pacemaker 206;
further, the radio frequency transmitter comprises a CPU management module, a phased array module and a transmitting antenna module; one end of the CPU management module is electrically connected with one end of the power supply, the other end of the CPU management module is connected with the phased array module, and the other end of the phased array module is connected with the transmitting antenna module;
the phased array module includes, by way of example, a voltage control circuit 105, a phase shifter 106, a band pass filter 107, a power amplifier 108, a radio frequency signal source 103, a power divider 104, an analog-to-digital conversion module 110, a band pass filter 111, and a power amplifier 112; the transmitting antenna module includes: a transmit antenna array 109, a positioning receiver 113;
further, one end of the CPU management module 102 is connected to the power supply 101, and the other end is connected to the analog-to-digital conversion module 110; the other end of the analog-to-digital conversion module 110 is connected to the band-pass filter 111, and the other end of the band-pass filter 111 is connected to the power amplifier 112; the other end of the power amplifier 112 is connected to the positioning receiver 113, and the analog-to-digital conversion module 110 converts the amplified and filtered positioning signal into a digital signal and sends the digital signal to the CPU management module 102 to analyze the position of the energy receiver; after analyzing the position of the energy receiver, the CPU management module 102 gives an instruction signal corresponding to the corresponding transmitting position to the voltage control circuit 105; the voltage control circuit 105 controls the phase shifter 106 to shift the phase of the radio frequency signal by using the corresponding voltage value; the radio frequency signal source 103 gives out radio frequency energy which is averagely distributed to the phase shifter 106 in each antenna branch through the power distributor 104; the phase shifter 106 shifts the phase of the radio frequency signal and then transmits the radio frequency signal to the band-pass filter 107 for filtering; the band-pass filter 107 filters the radio frequency signal and then transmits the radio frequency signal to the power amplifier 108 for amplification; the power amplifier 108 amplifies the rf signal and transmits the rf signal to the transmit antenna array 109 to transmit rf energy;
one end of the transmitting antenna array 109 is connected with the power amplifier 108; the transmitting antenna array 109 is configured to transmit modulated radio frequency energy to the direction in which the receiving antenna 201 is located, the positioning receiver 113 is configured to receive a pilot signal sent by the energy receiver, transmit the pilot signal to the power amplifier 112 for amplification, and the power amplifier 112 sends the amplified pilot signal to the band-pass filter 111 for filtering;
as an example, the transmitting antenna array 109 is a circularly polarized rectangular antenna array, and the position signal received by the positioning receiver 113 is sent to the analog-to-digital conversion module 110, and then the digital signal is sent to the CPU management module 102 to analyze the positioning information of the energy receiver; the transmitting antenna array 109 is a 3x3 antenna array and is composed of 3x1 sub-arrays for generating sequentially changing radiation directions to achieve the effect of radiation energy convergence. The positioning receiver 113 is a 4x1 antenna array.
Further, the energy receiver comprises: the system comprises a receiving antenna module, a rectifying module 202, an energy storage module 203 and a charging and discharging management module 204; the acceptance antenna module includes: a receiving antenna 201, a positioning transmitter 205; the receiving antenna 201 is configured to receive radio frequency energy transmitted by the transmitting antenna array 109, one end of the receiving antenna 201 is connected to a rectifying module 202, the other end of the rectifying module 202 is connected to the energy storage module 203, the other end of the energy storage module 203 is connected to the charging and discharging management module 204, and the other end of the charging and discharging management module 204 is connected to the positioning transmitter 205; the rectifying module 202 includes: the circuit comprises an impedance matching circuit, a filter circuit, a rectifying circuit and a voltage stabilizing circuit;
as an illustration, the energy storage module 203 includes a rechargeable lithium battery; the charging and discharging management module 204 monitors whether the energy storage module is full of electricity, if the monitored electricity is lower than a set value, a charging instruction is sent to the positioning transmitter 205, the positioning transmitter 205 sends charging start information and positioning information after receiving the instruction, the positioning receiver 113 receives the charging start information, amplifies, filters, performs analog-to-digital conversion on the charging start information and transmits the charging start information to the CPU management module 102, the CPU management module 102 controls the display screen 115 in the display module to display the charging start information, and the buzzer 114 in the display module sends a prompt sound and the radio frequency transmitter starts to position and transmit radio frequency energy; if the charging and discharging management module 204 monitors that the electric quantity is full, the charging to the energy storage module 203 is immediately stopped, and an instruction for stopping the charging when the electric quantity is full is sent to the positioning transmitter 205, and the positioning transmitter 205 stops sending a positioning signal and then sends information for stopping the charging when the instruction for full electric quantity is obtained; the positioning receiver 113 receives the charging stop information, and transmits the charging stop information to the CPU management module 102 after performing amplification filtering analog-to-digital conversion, the CPU management module 102 controls the display screen 115 in the display module to display the charging stop information, and the buzzer 114 in the display module sends out a warning sound while the radio frequency transmitter stops transmitting radio frequency energy.
By way of illustration, the display module includes a display screen 115 of type LCD1602 and a buzzer 114; the buzzer 114 will give out a 3s warning sound regularly when starting and stopping charging, and the display screen 115 displays the information sent by the positioning transmitter.
Referring to fig. 3 and 4, in an embodiment of a wireless charging system for a cardiac pacemaker, a bracket 5 supports an antenna carrier plate 4, the antenna carrier plate 4 carries a positioning receiving antenna 1 (i.e. the positioning receiver 113 in fig. 1) and a radio frequency transmitting antenna array 2 (i.e. the transmitting antenna array 109 in fig. 1); all circuits designed by the radio frequency transmitter system are integrated on a circuit board 3, and the circuit board 3 is positioned on the back surface of an antenna bearing plate 4; the circuit board 3 is connected with a display screen 6 and a buzzer 7 which are positioned at the top of the antenna bearing plate 4; the energy receiver is arranged on the housing of the cardiac pacemaker 11, the positioning transmitting antenna 7 (namely, the positioning transmitter 205 in fig. 2) and the energy receiving antenna 6 (namely, the receiving antenna 201 in fig. 2) are arranged on the energy receiver housing 10, and the energy receiver housing 10 wraps the battery 8 and the power management circuit board 9 formed by integrating all circuits of the energy receiver, wherein the battery 8 is a rechargeable lithium battery in the energy storage module 203.
The invention adopts the radio frequency energy power supply design, positions the pacemaker through the antenna, then directionally transmits the radio frequency energy to the energy receiver through the transmitting antenna array, and further converts the radio frequency energy into current to charge the lithium battery of the energy storage module so as to supply power to the pacemaker, and the cardiac pacemaker does not need to be replaced in an operation, thereby greatly reducing the operation risk and the economic burden of a patient. The charging information can be displayed, and the function of reminding and informing is achieved.
Claims (10)
1. A wireless charging system for a cardiac pacemaker, the wireless charging system comprising a radio frequency transmitter and an energy receiver; the radio frequency transmitter is arranged outside the human body, and the energy receiver is arranged inside the human body and used for supplying power to the cardiac pacemaker; the radio frequency transmitter provides energy to the energy receiver by transmitting radio frequency energy through an antenna; the energy receiver receives radio frequency energy by the antenna and then converts the radio frequency energy into electric energy to supply power to the cardiac pacemaker;
the radio frequency transmitter comprises a CPU management module, a voltage control circuit, a phase shifter, a band-pass filter, a power amplifier, a radio frequency signal source, a power divider, an analog-to-digital conversion module, a power amplifier, a transmitting antenna array and a positioning receiver; the energy receiver comprises a receiving antenna, a positioning transmitter, a rectifying module, an energy storage module and a charging and discharging management module;
the positioning receiver receives a pilot signal sent by a positioning transmitter in the energy receiver, amplifies the pilot signal by a low-noise power amplifier, filters the amplified pilot signal by a band-pass filter, and sends pilot information to a CPU (central processing unit) management module by an analog-to-digital conversion module;
the CPU management module carries out azimuth analysis through pilot frequency information, then gives out a corresponding emission control signal and sends the emission control signal to the voltage control circuit, and the voltage control circuit outputs a corresponding voltage control phase shifter;
the radio frequency signal source distributes radio frequency signals to the phase shifter of each antenna unit branch after being distributed by the power distributor; the phase shifter is controlled by the voltage control signal to make the radio frequency signal be a specific phase so as to make the radio frequency energy directionally transmitted to the energy receiver;
the radio frequency signal of which the phase is shifted by the phase shifter is filtered by a band-pass filter and amplified by a power amplifier and then is sent to a transmitting antenna to transmit radio frequency energy; the transmitting antenna array analyzes the pilot signal through the CPU management module to determine the position of the energy receiver so as to converge the radio frequency energy radiation to the position of the energy receiver;
the receiving antenna receives radio frequency energy and converts the radio frequency energy into alternating current to be output;
the rectification module converts alternating current output by the receiving antenna into direct current, and the energy storage module stores the direct current;
the charging and discharging management module monitors whether the energy storage module is full of electric quantity, and if the charging and discharging management module monitors that the energy storage module is full of electric quantity, an instruction for stopping positioning charging is sent to the positioning transmitter;
the positioning transmitter sends charging stopping information to the positioning receiver, the positioning receiver transmits the information to the CPU management module, then the CPU management module controls the system to stop charging, controls the display screen to display the charging stopping information and controls the buzzer to prompt.
2. The system of claim 1, wherein the transmit antenna array is a circularly polarized rectangular antenna array.
3. The wireless charging system of a cardiac pacemaker as claimed in claim 1, wherein the energy storage module is a rechargeable lithium battery, and the rectifying module between the receiving antenna and the lithium battery is sequentially provided with an impedance matching circuit, a filter circuit, a rectifying circuit and a voltage stabilizing circuit.
4. The wireless charging system of a cardiac pacemaker as claimed in claim 2, wherein the transmitting antenna array is a radio frequency energy transmitting device, the positioning receiver can receive a pilot signal from an energy receiver, the analog-to-digital conversion module sends the pilot signal to the CPU management module to analyze the orientation of the energy receiver, and then the phase shifter is controlled to control the directivity of the transmitting antenna to achieve radio frequency energy focusing.
5. The wireless charging system of claim 4, wherein the transmitting antenna array is a 3x3 antenna array and is composed of 3x1 sub-arrays to achieve the effect of radiation energy concentration, and the positioning receiver is a 4x1 antenna array.
6. A wireless charging system for a cardiac pacemaker as described in claim 1, wherein the energy receiver is mounted on a housing of the cardiac pacemaker for reducing the volume of the cardiac pacemaker.
7. The system of claim 1, wherein the location transmitter of the energy receiver is capable of sending the charging status information to the radio frequency transmitter for display on a display screen of the radio frequency transmitter.
8. The system of claim 7, wherein the display screen of the positioning transmitter is an LCD1602 display screen.
9. The wireless charging system of a cardiac pacemaker as described in claim 1, wherein after the charge level is full or below a threshold value, the positioning transmitter sends a message to the rf transmitter that the charge level is full or low to stop charging, the display of the rf transmitter displays the message and the buzzer sounds regularly for 3s to remind the user of the completion or start of charging.
10. A system as claimed in claim 1, wherein the location transmitter is capable of transmitting both pilot information for location determination and charging status information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751712.7A CN113452159A (en) | 2021-07-02 | 2021-07-02 | Wireless charging system of cardiac pacemaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751712.7A CN113452159A (en) | 2021-07-02 | 2021-07-02 | Wireless charging system of cardiac pacemaker |
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| CN113452159A true CN113452159A (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110751712.7A Pending CN113452159A (en) | 2021-07-02 | 2021-07-02 | Wireless charging system of cardiac pacemaker |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114421144A (en) * | 2022-01-17 | 2022-04-29 | 江苏大学 | Implanted circularly polarized antenna for microwave wireless charging of in-vivo instrument |
| CN114583847A (en) * | 2022-02-28 | 2022-06-03 | 江苏大学 | Real-time focusing microwave charging system for implantable instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106992813A (en) * | 2017-02-16 | 2017-07-28 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | A kind of inexpensive adaptive wireless information and energy multiplex transmission system |
| CN109617254A (en) * | 2018-12-17 | 2019-04-12 | 中国科学技术大学 | Wireless energy transfer system and method based on magnetic field focusing technology |
| CN111264015A (en) * | 2017-10-20 | 2020-06-09 | 三星电子株式会社 | Wireless power transmission apparatus and control method thereof |
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2021
- 2021-07-02 CN CN202110751712.7A patent/CN113452159A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992813A (en) * | 2017-02-16 | 2017-07-28 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | A kind of inexpensive adaptive wireless information and energy multiplex transmission system |
| CN111264015A (en) * | 2017-10-20 | 2020-06-09 | 三星电子株式会社 | Wireless power transmission apparatus and control method thereof |
| CN109617254A (en) * | 2018-12-17 | 2019-04-12 | 中国科学技术大学 | Wireless energy transfer system and method based on magnetic field focusing technology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114421144A (en) * | 2022-01-17 | 2022-04-29 | 江苏大学 | Implanted circularly polarized antenna for microwave wireless charging of in-vivo instrument |
| CN114583847A (en) * | 2022-02-28 | 2022-06-03 | 江苏大学 | Real-time focusing microwave charging system for implantable instrument |
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