Charging device of real-time monitoring system for superficial implantation of human body

Abstract

The utility model belongs to but not limited to the technical field of charging devices, and particularly relates to a charging device of a real-time monitoring system for superficial implantation of a human body, which comprises an external function device and an in-vivo energy receiving device, the external energy supply device is divided into two types, namely a fixed charging station and a movable charging station; the movable charging station comprises a plurality of high-gain antennas, each antenna is independently controlled by an independent switch to be opened and closed, and a 180-degree radiation angle can be realized by controlling the combination of different antenna powers; the movable charging bench is designed to be in a wrist band shape, and only half of the movable charging bench is provided with the high-gain directional antenna. The in-vivo energy receiving device is partially implanted under the skin of the trunk of the patient and is used for measuring the physical state of the patient in real time and sending part of signals to the in-vitro information transfer station; and meanwhile, the wireless radio frequency energy from an external fixed or handheld portable charging table can be received and the battery in the wireless radio frequency energy charging device can be charged.

Description

Technical Field

[0001] This utility model belongs to, but is not limited to, the field of charging device technology, and particularly relates to a charging device for a real-time monitoring system for superficial implantation in the human body. Background Technology

[0002] With the advancement of science and technology, small implantable medical devices are becoming increasingly common in our lives. Most existing small medical devices are disposable once implanted and their batteries are depleted. Wireless charging technology, now widely used, is well-suited for implantable medical devices. This technology allows for charging without removing the implant, solving the problem of traditional medical devices requiring further surgery to replace the implant.

[0003] Traditional wireless charging technology uses the principle of electromagnetic inductance and is only effective within a very limited distance. Electromagnetic radiation charging technology can achieve charging over longer distances, offers greater freedom of movement for patients during charging, and allows for smaller implants, but its charging efficiency is lower. However, excessively increasing the radiation power can interfere with nearby living or non-living organisms or cause irreversible damage.

[0004] Meanwhile, due to the high energy consumption during communication, traditional subcutaneous implantable medical devices cannot perform real-time communication to ensure their lifespan, otherwise their lifespan would be significantly reduced. Real-time communication, on the other hand, can greatly improve the safety of patients, for example, by enabling the dispatch of rescue teams to assist patients in life-threatening situations.

[0005] Existing continuous human body signal monitoring systems are mostly wearable devices, suitable for short-term continuous monitoring of the body's condition. Prolonged wear can cause inconvenience to patients, and in some cases, even lead to skin allergies and other problems. However, patients often require long-term, 24 / 7 monitoring, so existing wearable products cannot fully meet their needs.

[0006] However, most existing implantable monitoring products lack charging capabilities, and their lifespan is ensured by a large-capacity battery and specially designed energy-saving circuitry. However, due to limited battery capacity, the battery life is generally short, failing to meet the needs of extended operation. This could lead to frequent removal and re-implantation, causing pain and inconvenience for patients. Furthermore, due to energy limitations, existing implantable monitoring devices lack real-time network connectivity, failing to provide real-time assurance of patient safety.

[0007] Existing wireless charging technologies mostly use electromagnetic inductance technology, which has a limited energy transmission distance and is also prone to generating heat, posing a threat to human health.

[0008] Based on the above analysis, the urgent technical problems that need to be solved in the existing technology are:

[0009] 1. The antenna and external coating protrude from the outer casing surface. After prolonged use, bodily fluids will inevitably corrode the external coating material, and may even cause it to peel off, which could be fatal to the patient.

[0010] 2. Due to the size limitations of the monitoring instrument, the electrical and physical dimensions of the antenna divided by the wavelength are very small, resulting in very low antenna gain. Low-gain antennas are extremely inefficient in energy transmission, making it easier for the human body to absorb more electromagnetic energy, potentially leading to dangerous situations such as overheating.

[0011] 3. The antenna's reflector is located inside the monitoring instrument, which may be interfered with by electromagnetic waves emitted by internal radio frequency components, increasing the possibility of malfunction. Furthermore, because the surface coating is very thin, changes in the environment near the antenna, such as corrosion from bodily fluids causing the coating to thin, can result in antenna frequency shift, preventing the antenna from operating within its normal frequency range and potentially leading to unpredictable dangers. Utility Model Content

[0012] To address the problems existing in the prior art, this utility model provides a charging device for a real-time monitoring system for superficial implantation in the human body. By designing a more advanced charging device for electromagnetic radiation charging, energy transmission efficiency is improved while ensuring the safety of patients and users.

[0013] This invention is implemented as follows: a charging device for a real-time monitoring system implanted in the superficial layers of the human body, comprising:

[0014] External functional devices include fixed charging stations and portable charging stations;

[0015] The internal energy receiving device is partially implanted under the skin of the patient's torso to receive wireless radio frequency energy from an external fixed or handheld portable charging station and to charge its own internal battery.

[0016] Furthermore, the portable charging station includes multiple high-gain antennas, each of which is independently controlled by a separate switch and designed as a wristband. Half of the high-gain directional antenna is installed in the wristband, and the outer shell of the antenna part is equipped with metal reflectors on the skin-contact side, the near-body side, and the far-body side.

[0017] Furthermore, the fixed charging station contains multiple high-gain antennas, each of which is independently controlled by a switch. Multiple buttons are distributed around the station, each of which controls an area that opens at a certain angle from the station as the center, in order to determine the main coverage area of ​​the radiated power.

[0018] Furthermore, both the fixed and mobile charging stations include a power supply, controller, signal transceiver antenna array, multiple power transmission antennas, and a display system, wherein:

[0019] Power supply: The portable charging station uses a portable, rechargeable, high-capacity lithium battery, while the fixed station uses a household 220V AC power supply.

[0020] Controller: Responsible for modulating, editing, transmitting signals, demodulating, translating, and extracting data from received signals;

[0021] Signal transceiver antenna assembly: used for information exchange with cloud servers and energy receiving devices;

[0022] Multiple power transfer antennas: radiation frequency below 1 GHz;

[0023] Display system: Displays battery level and the connection and communication status of each instrument.

[0024] Furthermore, the in vivo energy receiving device includes a signal collector, a battery, necessary circuitry, and a thin-film antenna, wherein the thin-film antenna is a planar reflective antenna, which is attached to the outside of the device casing and in direct contact with the skin, and the casing is composed of two or more biocompatible materials.

[0025] Furthermore, the fixed charging station includes one or more infrared sensors. When a human or other living being with a body temperature higher than the ambient temperature approaches, the sensor will appropriately reduce its transmission power to ensure safety. The station does not contain any energy storage devices.

[0026] Based on the above technical solutions and the technical problems solved, the advantages and positive effects of the technical solution to be protected by this utility model are as follows:

[0027] First, energy receiving device:

[0028] 1. The coating material is placed in the groove of the outer shell, which reduces the problem of material corrosion and peeling caused by body fluid flushing.

[0029] 2. The concave lens-shaped outer shell groove forcibly confines the main lobe to a 180-degree range facing outwards, while reflecting electromagnetic waves, increasing the gain of the entire antenna and making the entire energy transmission chain more efficient.

[0030] 3. A thicker coating will prevent the antenna's properties from being altered by the surrounding environment. At the same time, a shell thickness greater than the skin depth will also isolate radiation interference from other components inside the monitor, greatly improving the stability of the entire wireless power transmission system.

[0031] 4. A charging device for a rechargeable implantable real-time monitoring system was designed for the first time. This charging device can charge the rechargeable implantable real-time monitoring system in the patient's body without the patient's awareness, ensuring convenience and making it more acceptable to patients.

[0032] 5. The charging device's real-time upload function can immediately upload abnormal information about the user / patient to the cloud server for analysis, ensuring the patient's safety in real time. Due to the high energy consumption during communication, traditional implantable real-time monitoring systems cannot perform real-time communication to ensure their lifespan. This charging station provides sufficient energy to the implantable real-time monitoring system, enabling real-time communication with the outside world, thereby greatly improving the patient's safety. For example, when suspicious bodily signals are detected, real-time rescue can be provided to the patient, improving their survival rate.

[0033] The structure and function of the mobile and fixed stations ensure patient safety while simultaneously selecting efficient transmission methods in real time based on the efficiency of different pathways, reducing energy loss and ensuring transmission efficiency.

[0034] The mobile station is designed according to human kinematics, with only half of its surface housing the antenna and a shield. This saves space, improves battery life, and ensures user safety, protecting them from harmful radiation.

[0035] A planar reflective antenna is added to the surface of the implantable real-time monitoring system's casing, ensuring it is not covered or obstructed by any metal material, thereby improving transmission efficiency.

[0036] The planar reflector antenna has a substrate and a cover made of a biocompatible material with a high dielectric constant that can come into direct contact with human skin, which facilitates the miniaturization of the antenna design.

[0037] The concave lens-shaped groove has the antenna located at its focal point, and the metal casing thickness is greater than the skin depth; this increases the antenna gain towards the front lobe.

[0038] The area between the groove and the antenna is filled and smoothed with a biocompatible material having the same dielectric constant as the skin to ensure patient comfort and prevent the antenna from easily falling off. Attached Figure Description

[0039] Figure 1 This is a structural diagram of the mobile station provided in an embodiment of the present utility model;

[0040] Figure 2 This is a structural diagram of the fixed platform provided in an embodiment of the present utility model;

[0041] Figure 3 This is a schematic diagram of the in vivo energy receiving system provided in this embodiment of the utility model;

[0042] Figure 4 This is a schematic diagram of the energy receiving device and antenna assembly method provided in this embodiment of the utility model;

[0043] In the diagram: 1. Metal baffle at the antenna end; 2. Metal baffle on the skin-contact side; 3. Proximal baffle; 4. Motion stage button and indicator; 5. Thumb position indicator; 6. Motion stage power transmitting antenna; 7. Distal baffle; 8. Outer baffle; 9. Middle baffle; 10. Fixed stage power transmitting antenna; 11. Fixed stage button and indicator; 12. Fixed stage area dividing line; 13. Infrared detector; 14. Signal acquisition electrode; 15. Battery; 16. Thin-film antenna; 17. Necessary circuitry; 18. Biocompatible material with the same dielectric constant as skin; 19. Antenna cover; 20. Antenna substrate; 21. Adapter circuitry; 22. Metal casing. Detailed Implementation

[0044] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this utility model.

[0045] The charging device consists of two parts: an external power supply system and an internal energy receiving system.

[0046] I. External Power Supply System

[0047] like Figure 1 As shown, the external power supply system is divided into two types: fixed charging station and mobile charging station.

[0048] The mobile station includes multiple high-gain antennas, which can be one-dimensional or two-dimensional. Each antenna is independently controlled by a switch, and a 180° radiation angle can be achieved by controlling different combinations of antenna power. The mobile station is designed as a wristband. Only half of the mobile station is equipped with the high-gain directional antenna. The outer shell of the antenna section has metal reflectors in gray shaded areas on the inner side (close to the skin), the elbow side (near the body), and the palm side (far from the body), which ensure user safety while increasing radiation efficiency. When using the mobile station, the wearing method is restricted; the midpoint of the portion of the wristband containing the antenna should be aligned below the thumb to ensure that it is always pointing towards the torso for charging.

[0049] At the start of charging, the mobile station's multiple antennas will radiate energy independently for a short period of time. The implanted device will then transmit the energy it received during each antenna's independent radiation period. Based on this, the radiating antenna with the highest transmission efficiency will be calculated, thus determining the main radiating antenna.

[0050] This invention relates to a charging system for a real-time monitoring system for superficial implantation in the human body. The charging system comprises an external functional device and an internal energy receiving device. Through the coordinated operation of multiple components, it achieves efficient charging and monitoring of the implant. The detailed working principle is as follows:

[0051] 1. Portable charging station

[0052] Antenna-side end metal baffle 1: Improves the directivity of the antenna's radiation direction and reduces energy loss.

[0053] Metal baffle on the skin-contact side 2: Ensures the safety of energy transmission while improving energy transmission efficiency.

[0054] Proximal end baffle 3: Prevents energy from dissipating outwards and concentrates the energy transmission direction.

[0055] Mobile station button + indicator 4: Users can select the area to be charged by pressing the button and indicator, and the system will adjust the antenna radiation direction and power according to the selection.

[0056] Mark 5 on the thumb position: Ensure the antenna is correctly aligned with the body torso when wearing the device to improve charging efficiency.

[0057] Mobile station energy transmitting antenna 6: High-gain antenna transmits wireless radio frequency energy, and the antenna can be independently controlled to open and close, achieving a 180° radiation angle.

[0058] Distal end baffle 7: Concentrates energy to be transmitted inward and prevents it from being lost outward.

[0059] Outer baffle 8: Improves the safety and directionality of energy transmission.

[0060] Mid-end baffle 9: Ensures energy is concentrated in a specific direction, improving transmission efficiency.

[0061] 2. Fixed charging station

[0062] Fixed-station energy transmitting antenna 10: Multiple high-gain antennas are combined to transmit energy. The user selects the area that needs to be charged, and the system adjusts the antenna radiation direction and power according to the selection.

[0063] Fixed platform button + indicator 11: When the user selects a charging area and presses the button, the system adjusts the radiation direction.

[0064] Fixed station area dividing line 12: Divides the fixed station into multiple areas, and the user selects the corresponding area for energy emission.

[0065] Infrared Detector 13: Detects nearby living beings and automatically reduces transmission power when someone approaches to ensure safety.

[0066] 3. Internal energy receiving device

[0067] Signal acquisition electrode 14: measures the patient's physical condition in real time, collects physiological signals and sends them to the external information relay station.

[0068] Battery 15: Stores the received energy for use by the implanted device.

[0069] Thin-film antenna 16: Receives externally transmitted radio frequency energy and transmits signals to the outside.

[0070] Necessary circuit 17: Processes received energy and signals to ensure normal system operation.

[0071] Biocompatible material 18 with the same dielectric constant as skin: fills the gap between the antenna and the housing, ensuring patient comfort and antenna operational stability.

[0072] Antenna cover plate 19 and antenna substrate 20: constitute a planar reflective antenna, which receives and radiates electromagnetic waves outward.

[0073] Adapter circuit 21: Converts the received radio frequency energy into DC power to charge the battery.

[0074] Metal casing 22: Provides grounding and electromagnetic wave reflection for the antenna, improving the antenna's directivity and gain.

[0075] System workflow:

[0076] 1. Wearing the portable charging station: The user wears the portable charging station, ensuring that the thumb position mark 5 is aligned with the area below the thumb, and sets the charging area using the mobile station button 4. The system then begins charging.

[0077] 2. Automatic selection of main radiating antenna: The antenna 6 of the portable charging station radiates independently for a short period of time, and the implanted device transmits the energy reception status. The system calculates the antenna with the highest transmission efficiency and determines the main radiating antenna.

[0078] 3. Fixed charging station charging: The user selects a charging area on the fixed station 10, presses the fixed station button 11, and the system adjusts the antenna combination according to the selection to start charging.

[0079] 4. Security Detection: Infrared detector 13 detects nearby living beings and reduces transmission power when someone approaches.

[0080] 5. Energy reception and storage: The thin-film antenna 16 of the in-body energy receiving device receives energy, converts it into DC power through the adapter circuit 21, and stores it in the battery 15.

[0081] 6. Signal Acquisition and Transmission: The signal acquisition electrode 14 acquires the patient's physiological signals and transmits them to the external information relay station through the thin-film antenna 16. The system performs data analysis and monitoring.

[0082] Through the above working principle and process, this utility model achieves efficient charging and real-time monitoring of the device implanted in the human body, ensuring the safety, reliability and user comfort of the system.

[0083] like Figure 2 As shown, the mobile station is worn on the patient's body and is used to charge the energy receiving device in real time.

[0084] The mounting station contains multiple high-gain antennas 10. Each antenna can be independently controlled by a different switch. Multiple buttons are distributed around the perimeter of the mounting station, each controlling a specific area extending from the station as the center. The user can select and press one or more buttons, indicating that the implanted monitoring device requiring charging will primarily operate within that area. At this time, the multiple high-gain antennas inside the mounting station will radiate with a specific power combination, ensuring that the main coverage area of ​​the radiated power matches the range specified by the user.

[0085] In addition, the mounting platform also contains one or more infrared sensors that will appropriately reduce their emission power when a human or other living being with a body temperature higher than the ambient temperature approaches, in order to ensure the safety of that living being.

[0086] The station is fixed in the patient's usual place of residence, such as the office, bedroom, or living room at home. No energy storage device is installed inside the station.

[0087] Both fixed and mobile charging stations contain:

[0088] 1) Power Supply. The mobile station is powered by a portable, rechargeable, high-capacity lithium battery, while the stationary station is powered by a standard 220V AC household power supply. The high-capacity lithium battery can support the system for at least one day.

[0089] 2) Controller. The controller is responsible for modulating and editing the transmitted signals, demodulating and translating the received signals, and extracting the data. This data is then used to regulate the working efficiency of various components within the charging station. For example, it can control the direction and power of energy transmission by calculating the distance to the energy receiving device to maximize transmission capacity; or it can adjust the internal parameters of its system based on data received from the cloud server. The controller is controlled by an embedded program.

[0090] 3) Signal transceiver antenna assembly. This antenna assembly is used for communication with the cloud server and the energy receiving device. Received signals are input to the controller for translation, processing, and utilization. The signal transceiver antenna assembly consists of two or more antennas and can interact with the energy receiving device in the Bluetooth band.

[0091] 4) Multiple power transfer antennas. This antenna array should consist of multiple high-gain antennas, ensuring a 360° coverage area. The power transfer antennas should radiate at frequencies below 1 GHz to minimize energy loss due to distance and human presence.

[0092] 5) Display system, such as status indicator LEDs or displays. This system will show the user the battery level and the connection and communication status of each instrument, so as to identify abnormal situations in real time.

[0093] II. Internal Energy Receiving Device

[0094] like Figure 3 As shown, this component is implanted subcutaneously in the patient's torso to measure the patient's physical condition in real time and transmit some signals to an external information relay station. Simultaneously, it can receive wireless radio frequency energy from a fixed or handheld portable charging station and charge its internal battery.

[0095] The energy receiving device (hereinafter referred to as the device) includes a signal collector, a battery, necessary circuitry including a signal processing front-end, a microcomputer unit, various functional circuits, and a thin-film antenna. Figure 3 This only indicates the essential components of the device, without specifying their relative positions. The device's outer shell is composed of two or more biocompatible materials, at least one of which is a pure metal and the other is a non-metal or alloy, and has one or two thin-film antennas mounted on its surface for functions such as receiving energy and transmitting information.

[0096] The thin-film antenna is a planar reflector antenna. The substrate and cover are made of a high-dielectric-constant biocompatible material, such as alumina (dielectric constant 9.8), which can directly contact human skin to facilitate miniaturization. Between the substrate and cover is a patterned metal sheet used for receiving and radiating electromagnetic waves. The antenna uses the device's metal casing as a ground plane. When worn by a patient, the main lobe of the antenna faces outwards to reduce obstruction and loss within the body. Antennas with different radiation directions and polarizations can be assembled in different ways.

[0097] In one embodiment, the antenna is attached to the outside of the device housing and in direct contact with the skin, without being covered or obstructed by any metal material, such as... Figure 4As shown, this is done to improve transmission efficiency. The antenna housing material must include one or more metal materials. The antenna uses this metal housing as a ground plane and simultaneously reflects electromagnetic waves, enhancing the antenna's directivity and gain, and further improving energy transmission efficiency. Preferably, the thickness of the housing wall is greater than or equal to the skin depth. Specifically, depending on the different materials of the metal housing, the skin depth of that material for electromagnetic waves can be determined at the initial design stage. Designing the thickness of the housing wall to be greater than or equal to the skin depth can isolate the interference of the internal electronic components of the energy receiving device on the antenna radiation and reflect electromagnetic waves.

[0098] Figure 4 In the example shown, the groove is specially designed with a concave lens-like cross-section, with the antenna located at its focal point. The metal casing thickness, greater than the skin depth, allows this groove to reflect electromagnetic waves forward, increasing the gain of the antenna's lobes facing outward.

[0099] In an optimized embodiment, the portion between the groove and the antenna can be filled smoothly with a biocompatible material with a dielectric constant similar to that of skin to ensure patient comfort. This also prevents the antenna from falling off and ensures the stability of the antenna's operating frequency.

[0100] The planar reflector antenna's resonant frequency is selected within the MedRadio and ISM bands to help reduce energy loss through the human body and air. The adapter circuitry is positioned close to the back of the antenna to minimize the loss of received RF energy during transmission. The RF energy is then converted into DC power by specific circuitry within necessary circuitry sections to charge the battery within the antenna.

[0101] The working principle of this invention begins with the configuration and function of the antenna and the metal baffles. The metal baffle 1 at the antenna end and the metal baffle 2 against the skin provide physical protection for the antenna and also act as electromagnetic shielding during transmission, reducing energy leakage in unwanted directions. The combination of the near-body baffle 3, the far-body baffle 7, and the mid-body baffle 9 ensures that the energy transmitting antennas 6 and 10 transmit energy in a specific direction, improving transmission efficiency and directivity, and avoiding energy waste and interference in surrounding unrelated areas. This shielding design ensures the concentration and enhancement of the transmitted signal, improving the system's accuracy and effectiveness.

[0102] The working principles of the mobile and fixed stations are closely related. The mobile station's energy transmitting antenna 6 and the fixed station's energy transmitting antenna 10 are respectively installed in movable and fixed positions to transmit energy to the target area. The cooperation between these two antennas is controlled via the mobile station's button + indicator 4 and the fixed station's button + indicator 11, ensuring accurate energy activation and release during operation. Users can start and stop the energy transmission process using the indicator buttons on both the mobile and fixed stations, ensuring the system's flexibility in different operating environments.

[0103] Signal acquisition and energy emission control are accomplished by electrodes and infrared detectors within the system. The signal acquisition electrode 14 detects signal changes in the target area and feeds this information back to the control circuit, thereby adjusting the intensity and direction of the energy emission. The infrared detector 13 detects the temperature or distance to the target area, ensuring the accuracy and safety of the energy emission. The infrared detector effectively monitors external conditions during the emission process, preventing signal deviations caused by environmental changes and improving the system's safety and stability.

[0104] The integration of biocompatible materials with the antenna ensures comfort and safety during device use. A biocompatible material 18, with the same dielectric constant as skin, covers the parts of the device that come into contact with the human body, preventing skin damage caused by electromagnetic radiation or heat. This material mimics the dielectric properties of skin, thus reducing negative impacts on the human body while ensuring effective signal transmission, especially during prolonged operation.

[0105] The antenna design and adaptation circuit 21 in the system ensures the stability and efficiency of energy transmission through precise electromagnetic adaptation. The antenna substrate 20 and the cover plate 19 are connected to the external transmitting circuits 6 and 10 through the adaptation circuit, ensuring that the electromagnetic signal emitted by the antenna can be precisely matched with the external environment. The thin-film antenna 16 is designed to be miniaturized and lightweight, which can effectively reduce the size of the antenna while maintaining high signal transmission efficiency and stability.

[0106] The collaboration between the battery and necessary circuitry ensures the portability and durability of the device. Battery 15 provides power for the system's operation and distributes power to various components via necessary circuitry 17, enabling the device to operate continuously in diverse environments. The metal casing 22 provides robust protection for the overall system structure, preventing the device from being affected by external environmental factors and ensuring normal operation even in complex environments.

[0107] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0108] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any modifications, equivalent substitutions and improvements made by those skilled in the art within the technical scope disclosed in this utility model, and within the spirit and principles of this utility model, should be included within the protection scope of this utility model.

Claims

1. A charging device for a real-time monitoring system implanted in a human superficial layer, characterized in that, Comprising: External functional devices include fixed charging station and mobile charging station; In vivo energy receiving device is implanted subcutaneously in the patient's trunk, which is used to receive wireless radio frequency energy from external fixed or handheld portable charging station and charge its internal battery.

2. The charging device of claim 1, wherein, The mobile charging station contains multiple high-gain antennas, each antenna is independently controlled by an independent switch, and is designed as a wristband, half of the high-gain directional antenna is installed in the wristband, and the shell of the antenna part is equipped with metal reflecting plates on the skin side, near the body side and far from the body side.

3. The charging device of claim 1, wherein, The fixed charging station contains multiple high-gain antennas, each antenna is independently controlled by an independent switch, and multiple buttons are distributed around the fixed station, each button can control a certain angle area with the fixed station as the center to determine the main coverage range of the radiation power.

4. The charging device of claim 1, wherein, The fixed station and the mobile charging station both contain power supply, controller, signal transceiver antenna group, multiple energy transmission antennas and display system, wherein: Power supply: the power supply of the mobile charging station is a portable rechargeable lithium battery, and the power supply of the fixed station is a household 220V AC power supply; Controller: responsible for modulating and editing the transmitted signal, demodulating and translating the received signal, and extracting the data therein; Signal transceiver antenna group: used for information exchange with cloud server and energy receiving device; Multiple energy transmission antennas: the radiation frequency is below 1GHz; Display system: shows the battery level and the connection and communication status of each instrument.

5. The charging device of claim 1, wherein, The fixed charging station contains one or more infrared sensors, which will appropriately reduce the transmission power when a human or other living being with a body temperature higher than the surrounding environment temperature approaches, to ensure safety, and the fixed station does not set energy storage device.

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