Intelligent ring

Abstract

The invention discloses an intelligent ring, and relates to the technical field of intelligent wearable equipment, the intelligent ring comprises a ring body and a charging box, the ring body comprises an inner ring, a rechargeable battery and an outer ring, and the periphery of the inner ring is provided with a plurality of charging coils at intervals along the circumferential direction; the plurality of charging coils are electrically connected with the rechargeable battery, the outer ring sleeves the inner ring and is in sliding contact fit with the inner ring, a plurality of magnets are arranged on the inner circumference of the outer ring at intervals in the circumferential direction, and the magnetic poles of any two adjacent magnets are opposite; a charging bin is formed in the charging box, a plurality of electromagnetic coils are annularly arranged on the periphery of the charging bin, a controller is further arranged in the charging box, and the electromagnetic coils are electrically connected with the controller. Through cooperation of the charging coil and the magnet, charging is carried out through rotation of the outer ring, the endurance of the intelligent finger ring is prolonged, meanwhile, through cooperation of the charging coil and the electromagnetic coil, wireless charging of the intelligent finger ring without external contact points is achieved, and the service life of the intelligent finger ring is prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent wearable devices, and in particular to a smart ring. Background Art

[0002] With the development of technology, smart wearable devices have rapidly become popular and have become an indispensable part of modern people's lives. Common smart wearable devices include smart watches, smart necklaces, smart rings, etc. Smart wearable devices can record and analyze a variety of physiological data in real time, improving the convenience and scientificity of health management.

[0003] Rings are one of the jewelry people wear daily. They are in close contact with the skin and are small and difficult to feel. Therefore, health monitoring through smart rings is a very convenient way. However, due to the size and power consumption limitations of sensors such as PPG and ECG and batteries, smart rings that can carry health monitoring functions in the prior art either use large batteries for battery life, resulting in a very large overall size of the smart ring and a poor wearing experience, or use small batteries to reduce the size, which have a short battery life and require frequent charging. During the nighttime sleep process that requires long-term monitoring, it is easy to run out of power and fail to cover, which greatly reduces the convenience. At the same time, when charging the smart ring, it is usually necessary to set a contact point on the outside of the ring so that it can contact with the charging connector for charging. However, the contact point is easily rusted and damaged when it contacts the external environment, which reduces the service life of the smart ring. Summary of the invention

[0004] The main purpose of the present invention is to provide a smart ring, aiming to solve the problems of large size, insufficient battery life and short service life caused by external contact points of smart rings in the prior art.

[0005] To achieve the above object, the smart ring proposed by the present invention comprises:

[0006] A ring body, the ring body comprising an inner ring, a rechargeable battery and an outer ring, the outer circumference of the inner ring is provided with a plurality of charging coils at intervals along its circumferential direction; the plurality of charging coils are all electrically connected to the rechargeable battery, the outer ring is sleeved outside the inner ring and is in sliding contact with the inner ring, and the inner circumference of the outer ring is provided with a plurality of magnets at intervals along its circumferential direction, the magnetic poles of any two adjacent magnets are opposite, and the inner ring can rotate relative to the outer ring so that the charging coils generate an induced current;

[0007] A charging box, wherein a charging chamber is formed in the charging box, and a plurality of electromagnetic coils are arranged on the outer circumference of the charging chamber. A controller is also arranged in the charging box, and the plurality of electromagnetic coils are electrically connected to the controller. The controller is used to control the current flow direction of the plurality of electromagnetic coils when power is turned on to change the polarity of the charging magnetic field generated by each electromagnetic coil, so that the charging coil of the ring body placed in the charging chamber generates an induced current, and the rechargeable battery is charged by the induced current.

[0008] In one embodiment, the outer periphery of the inner ring includes a magnetic sensitive area and a functional area outside the magnetic sensitive area, a plurality of charging coils are arranged at intervals in the magnetic sensitive area, and the functional area is provided with the rechargeable battery.

[0009] In one embodiment, the magnetic sensitive area is provided with a plurality of mounting frames at intervals along the circumference of the inner ring, and threading holes are formed on the mounting frames. The number of the charging coils is consistent with the number of the mounting frames and are wound one-to-one on the threading holes of the corresponding mounting frames, and each of the charging coils forms a ring structure, and the axial direction of the charging coil is the same as the axial direction of the inner ring.

[0010] In one embodiment, each of the magnets is a U-shaped magnet, the openings of the plurality of magnets are all facing the inner ring and form a rotating channel with the inner ring, and the plurality of mounting frames and the plurality of charging coils are all located in the rotating channel.

[0011] In one embodiment, the magnet includes a base plate and a first side plate and a second side plate respectively arranged on both sides of the base plate, the first side plate and the second side plate are respectively located on both sides of the charging coil along the axial direction of the inner ring, the first side plate and the second side plate respectively correspond to the two magnetic poles of the magnet, and the polarities of the first side plates of any two adjacent magnets are different.

[0012] In one embodiment, the functional area is also provided with a health monitoring module electrically connected to the rechargeable battery, the health monitoring module includes a detection component and a processing component, the inner ring is provided with an avoidance hole at a position corresponding to the functional area, the detection component is used to pass through the avoidance hole and detect and obtain the wearer's health information, and the processing component is used to process the health information and send the processed health information to an external device.

[0013] In one embodiment, the width of the charging coil along the circumference of the inner ring is A, the width of the magnet along the circumference of the inner ring is B, and the distance between any two adjacent magnets is C, wherein A>B+2C.

[0014] In one embodiment, the ring body further includes an energy storage element, the plurality of charging coils are electrically connected to the energy storage element, the energy storage element is electrically connected to the rechargeable battery, and the energy storage element is used to store the induced current generated by the charging coil.

[0015] In one embodiment, the ring body also includes a main controller, which is electrically connected to the rechargeable battery. The main controller can control the rechargeable battery to supply power to the charging coil. The charging coil is energized to form a magnetic field. The magnet interferes with the magnetic field so that the magnet drives the outer ring to vibrate axially along the ring body relative to the inner ring.

[0016] In one embodiment, a buckle is provided in the charging bin, and the buckle is used to abut against the outer periphery of the outer ring so that the outer ring is buckled in the charging bin.

[0017] The technical solution of the present invention is to set a plurality of charging coils along the circumference of the inner ring of the ring body, and set a plurality of magnets along the circumference of the outer ring, and the inner ring and the outer ring are in sliding contact and cooperation. During daily use, the outer ring will rotate due to friction with the external environment caused by the daily activities of the wearer, and the magnetic poles of adjacent magnets are opposite, so that the charging coil on the inner ring can cut the magnetic flux lines during the rotation process to generate electromagnetic induction and generate induced current, and the induced current is used to charge the rechargeable battery, thereby improving the battery life of the smart ring. At the same time, the smart ring can be charged in real time, and there is no need to set a huge battery to improve the battery life, which can reduce the volume of the smart ring and improve the wearing experience of the wearer. At the same time, since the charging coil is set on the inner ring of the present invention, current can be generated by electromagnetic induction, so there is no need to set an external contact point, and a magnetic field can be generated by the electromagnetic coil in the charging box. At the same time, the current flow direction of different electromagnetic coils is controlled by the controller to change the polarity of the electromagnetic coil, so that the magnetic flux induced by the charging coil is constantly changing, thereby generating current, completing the charging of the smart ring, so that the outer ring of the smart ring is closed without contact points, and will not be rusted and damaged due to contact with the external environment, etc., thereby extending the service life of the smart ring. The present invention uses the cooperation of the charging coil on the inner ring and the magnet on the outer ring to charge by the rotation of the outer ring in daily life, thereby extending the battery life of the smart ring. At the same time, the cooperation of the charging coil on the inner ring and the electromagnetic coil in the charging box realizes wireless charging of the smart ring without setting an external contact point, thereby extending the service life of the smart ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0019] Figure 1 A schematic diagram of an exploded structure of the ring body of the smart ring provided by the present invention;

[0020] Figure 2 Another exploded structural diagram of the ring body of the smart ring provided by the present invention;

[0021] Figure 3 A schematic diagram of the assembly structure of the smart ring provided by the present invention with the outer ring hidden in the ring body;

[0022] Figure 4 A schematic diagram of the structure of the charging box of the smart ring provided by the present invention;

[0023] Figure 5 A schematic diagram of the structure of a magnet for a smart ring provided by the present invention;

[0024] Figure 6 A schematic diagram of the magnetic pole relationship of the magnet of the smart ring provided by the present invention.

[0025] Description of Figure Numbers:

[0026] 1. Ring body; 11. Inner ring; 111. Charging coil; 112. Magnetic sensing area; 113. Functional area; 114. Mounting frame; 115. Threading hole; 116. Avoidance hole; 12. Outer ring; 121. Magnet; 122. Rotation channel; 123. Bottom plate; 124. First side plate; 125. Second side plate; 13. Rechargeable battery; 14. Health monitoring module; 2. Charging box; 21. Charging compartment; 22. Electromagnetic coil.

[0027] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0030] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0031] In the prior art, smart rings that can carry health monitoring functions either use large batteries for battery life, resulting in a very large overall size of the smart ring and a poor wearing experience, or use small batteries to reduce the size, resulting in a short battery life and requiring frequent charging. During sleep at night when long-term monitoring is required, it is easy for the smart ring to run out of power and fail to cover the entire body, greatly reducing its convenience. At the same time, when charging the smart ring, it is usually necessary to set a contact point on the outside of the ring so that it can contact the charging connector for charging. However, the contact point is easily rusted and damaged when it contacts the external environment, thereby reducing the service life of the smart ring.

[0032] In order to solve the above problems, the present invention provides a smart ring.

[0033] Please combine Figures 1 to 4The smart ring of this embodiment includes a ring body 1 and a charging box 2. The ring body 1 includes an inner ring 11, a rechargeable battery 13 and an outer ring 12. The outer circumference of the inner ring 11 is provided with a plurality of charging coils 111 at intervals along its circumference; the plurality of charging coils 111 are electrically connected to the rechargeable battery 13. The outer ring 12 is sleeved outside the inner ring 11 and is in sliding contact with the inner ring 11. The inner circumference of the outer ring 12 is provided with a plurality of magnets 121 at intervals along its circumference. The magnetic poles of any two adjacent magnets 121 are opposite. The inner ring 11 can rotate relative to the outer ring 12 so that the charging coils 111 can rotate relative to the outer ring 12. 1 generates an induced current, and charges the rechargeable battery 13 through the induced current; a charging compartment 21 is formed in the charging box 2, and a plurality of electromagnetic coils 22 are arranged on the outer periphery of the charging compartment 21. A controller is also arranged in the charging box 2, and the plurality of electromagnetic coils 22 are electrically connected to the controller. The controller is used to control the current flow direction of the plurality of electromagnetic coils 22 during charging to change the polarity of the charging magnetic field generated by each electromagnetic coil 22, so that the charging coil 111 of the ring body 1 placed in the charging compartment 21 generates an induced current, and charges the rechargeable battery 13 through the induced current.

[0034] The technical solution of the present invention is to set multiple charging coils 111 along the circumference of the inner ring 11 of the ring body 1, and set multiple magnets 121 along the circumference of the outer ring 12, and the inner ring 11 and the outer ring 12 are in sliding contact and cooperation. During daily use, the outer ring 12 will rotate due to friction between the wearer's daily activities and the external environment, and the magnetic poles of adjacent magnets 121 are opposite, so that the charging coil 111 on the inner ring 11 can cut the magnetic lines of force during rotation to generate electromagnetic induction and induced current. The induced current charges the rechargeable battery 13, thereby improving the battery life of the smart ring. At the same time, the smart ring can be charged in real time without setting up a huge battery to improve the battery life. The size of the smart ring can be reduced and the wearer's wearing experience can be improved. At the same time, the present invention can generate current through electromagnetic induction because the inner ring 11 is provided with a charging coil 111, so there is no need to set an external contact point. The magnetic field can be generated by the electromagnetic coil 22 in the charging box 2. At the same time, the current flow direction of different electromagnetic coils 22 is controlled by the controller to change the polarity of the electromagnetic coil 22, so that the magnetic flux induced by the charging coil 111 is constantly changing, thereby generating current, completing the charging of the smart ring, and making the outer ring 12 of the smart ring closed without contact points, and will not rust and be damaged due to contact with the external environment, thereby extending the service life of the smart ring. The present invention uses the cooperation of the charging coil 111 on the inner ring 11 and the magnet 121 on the outer ring 12, and uses the rotation of the outer ring 12 in daily life to charge, thereby extending the battery life of the smart ring. At the same time, the cooperation of the charging coil 111 on the inner ring 11 and the electromagnetic coil 22 in the charging box 2 realizes wireless charging of the smart ring without setting an external contact point, thereby extending the service life of the smart ring.

[0035] In one embodiment, the outer periphery of the inner ring 11 includes a magnetic sensing area 112 and a functional area 113 outside the magnetic sensing area 112, a plurality of charging coils 111 are arranged at intervals in the magnetic sensing area 112, and a rechargeable battery 13 is arranged in the functional area 113. The charging coils 111 and the rechargeable battery 13 are both arranged on the outer periphery of the inner ring 11, and there is no need to open up a separate installation space for the rechargeable battery 13, thereby reducing the overall volume of the smart ring and improving the wearing experience of the wearer.

[0036] In one embodiment, the magnetic sensitive area 112 is provided with a plurality of mounting frames 114 at intervals along the circumference of the inner ring 11, and a threading hole 115 is formed on the mounting frame 114. The number of charging coils 111 is consistent with the number of mounting frames 114 and is wound on the threading holes 115 of the corresponding mounting frames 114 in a one-to-one correspondence, and each charging coil 111 forms a ring structure, and the axial direction of the charging coil 111 is the same as the axial direction of the inner ring 11. When the axial direction of the charging coil 111 is consistent with the axial direction of the inner ring 11, the magnetic flux cutting direction of the charging coil 111 is perpendicular to the magnetic flux change direction generated by the rotation of the outer ring 12, so that the charging coil 111 can cut the magnetic flux change with the maximum intensity, thereby generating a larger induced current, and improving the charging efficiency of the charging coil 111 for the rechargeable battery 13.

[0037] Please combine Figure 1 , Figure 5 and Figure 6 , wherein the letter N represents the N pole of the magnet, and the letter S represents the S pole of the magnet. In one embodiment, each magnet 121 is a U-shaped magnet, and the openings of the plurality of magnets 121 are all facing the inner ring 11 and form a rotating channel 122 with the inner ring 11. The plurality of mounting brackets 114 and the plurality of charging coils 111 are all located in the rotating channel 122. The magnet 121 is a U-shaped magnet 121, and the opening of the magnet 121 is facing the inner ring 11 and forms a quadrilateral rotating channel 122 with the inner ring 11, thereby limiting and guiding the charging coil 111 and other structures located in the rotating channel 122, and ensuring that the charging coil 111 can fully cut the magnetic flux lines of the magnet 121 when the outer ring 12 rotates relative to the inner ring 11, generating a larger induced current, and improving the charging efficiency of the charging coil 111 for the rechargeable battery 13.

[0038] In one embodiment, the magnet 121 includes a bottom plate 123 and a first side plate 124 and a second side plate 125 respectively disposed on both sides of the bottom plate 123. The first side plate 124 and the second side plate 125 are respectively disposed on both sides of the charging coil 111 along the axial direction of the inner ring 11. The first side plate 124 and the second side plate 125 correspond to two magnetic poles of the magnet 121, respectively, and the polarities of the first side plates 124 of any two adjacent magnets 121 are different. The first side plate 124 and the second side plate 125 are respectively disposed on both sides of the charging coil 111 along the axial direction of the inner ring 11, and correspond to two magnetic poles, respectively, so that the magnetic flux lines between the first side plate 124 and the second side plate 125 pass through the charging coil 111 in a right direction, thereby ensuring the symmetry and strength stability of the magnetic field distribution, increasing the induction efficiency, thereby inducing a larger induction current, and improving the charging efficiency of the charging coil 111 for the rechargeable battery 13.

[0039] Please combine Figure 1 and Figure 2 In one embodiment, the functional area 113 is also provided with a health monitoring module 14 electrically connected to the rechargeable battery 13. The health monitoring module 14 includes a detection component and a processing component. An avoidance hole 116 is opened at a position of the inner ring 11 corresponding to the functional area 113. The detection component is used to pass through the avoidance hole 116 and detect and obtain the health information of the wearer. The processing component is used for health information and sends the processed health information to an external device.

[0040] Specifically, the health monitoring module 14 may include a PPG module, a motion sensor, and a temperature sensor, among which the PPG module is used to monitor the heart rate and blood oxygen of the wearer, the motion sensor is used to monitor the motion data of the wearer during exercise, and the temperature sensor is used to monitor the body temperature data of the wearer, thereby obtaining more comprehensive health information and improving the functionality of the smart ring. In order to obtain a better detection effect, an avoidance hole 116 is opened on the inner ring 11, so that the health monitoring module 14 can pass through the avoidance hole 116 to directly detect the wearer's health information, thereby improving the accuracy of health information detection.

[0041] In one embodiment, the width of the charging coil 111 along the circumference of the inner ring 11 is A, the width of the magnet 121 along the circumference of the inner ring 11 is B, and the spacing between any two adjacent magnets 121 is C, wherein A>B+2C. The width A of the charging coil 111 along the circumference of the inner ring 11 is greater than the width B of the magnet 121 along the circumference of the inner ring 11 and twice the spacing C between the magnets 121, so that when the outer ring 12 rotates to any position, the charging coil 111 can correspondingly cut the magnet 121 and cut the magnetic flux lines, ensuring that the charging coil 111 can continuously generate induced current when the outer ring 12 rotates, thereby improving the utilization rate of the rotation of the outer ring 12; and can simultaneously cut the magnetic flux lines of the two magnets 121, so that the two ends of the charging coil 111 move in two magnetic fields with different polarities, thereby improving the induction efficiency of the charging coil 111, so that the charging coil 111 induces a larger induced current, and improves the charging efficiency of the charging coil 111 for the rechargeable battery 13.

[0042] In one embodiment, the ring body 1 further includes an energy storage element, and the plurality of charging coils 111 are electrically connected to the energy storage element, which is electrically connected to the rechargeable battery 13, and the energy storage element is used to store the induced current generated by the charging coil 111. Since the outer ring rotation force on which power generation depends is random, which may be the relative movement between fingers or the relative movement between an object and fingers, and the action time may be intermittent, an energy storage element is arranged in the circuit of coil power generation, and the energy storage element stores the intermittently generated tiny current and sends it to the rechargeable battery 13, so that the charging coil 111 can output a stable and balanced current to the rechargeable battery 13.

[0043] In one embodiment, the ring body 1 further includes a main controller, which is electrically connected to the rechargeable battery 13. The main controller can control the rechargeable battery 13 to supply power to the charging coil 111. The charging coil 111 is energized to form a magnetic field, and the magnet 121 interferes with the magnetic field so that the magnet 121 drives the outer ring 12 to vibrate along the axial direction of the ring body 1 relative to the inner ring 11. Because the charging coil 111 is in the magnetic field of the magnet 121, when the charging coil 111 is energized, a magnetic field is formed around the charging coil 111, and the magnet 121 interferes with the magnetic field of the charging coil 111 to generate a force along the axial direction of the ring body 1. However, since the charging coil 111 is located on the inner ring 11, the inner ring 11 is in contact with the wearer's skin and has a large resistance, and therefore the charging coil 111 is fixed, so the magnet 121 is subjected to a thrust, driving the outer ring 12 to vibrate together. When a pulse current with changing direction is passed through the charging coil 111, the force on the magnet 121 will also change direction continuously, and the force acting on the outer shell will also change continuously. The overall performance is that the outer ring 12 vibrates back and forth, which can simulate the vibration effect of the vibrator motor and remind the wearer. The application scenario is the scene with notification reminders such as incoming phone calls, low battery, poor physical condition and timely medical treatment.

[0044] In one embodiment, a buckle is provided in the charging compartment 21, and the buckle is used to abut against the outer periphery of the outer ring 12, so that the outer ring 12 is fixed in the charging compartment 21. When charging in the charging compartment 21, since the charging coil 111 generates an induced current for charging by using the principle of electromagnetic induction, the magnetic field generated by the electromagnetic coil 22 will also interfere with the magnet 121 on the outer ring 12, which may cause the outer ring 12 to vibrate, etc. Therefore, by setting the buckle to abut against the outer periphery of the outer ring 12, abnormal vibration of the outer ring 12 during charging is avoided, thereby improving the stability and safety of the smart ring when charging.

[0045] The above descriptions are only optional embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention's specification and drawings, or directly / indirectly applied in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A smart ring, characterized in that: include: A ring body, the ring body comprising an inner ring, a rechargeable battery and an outer ring, the outer circumference of the inner ring is provided with a plurality of charging coils at intervals along its circumferential direction; the plurality of charging coils are all electrically connected to the rechargeable battery, the outer ring is sleeved outside the inner ring and is in sliding contact with the inner ring, and the inner circumference of the outer ring is provided with a plurality of magnets at intervals along its circumferential direction, the magnetic poles of any two adjacent magnets are opposite, and the inner ring can rotate relative to the outer ring so that the charging coils generate an induced current; A charging box, wherein a charging chamber is formed in the charging box, and a plurality of electromagnetic coils are arranged on the outer circumference of the charging chamber. A controller is also arranged in the charging box, and the plurality of electromagnetic coils are electrically connected to the controller. The controller is used to control the current flow direction of the plurality of electromagnetic coils when power is turned on to change the polarity of the charging magnetic field generated by each electromagnetic coil, so that the charging coil of the ring body placed in the charging chamber generates an induced current, and the rechargeable battery is charged by the induced current.

2. The smart ring according to claim 1, characterized in that: The outer periphery of the inner ring includes a magnetic sensitive area and a functional area outside the magnetic sensitive area. A plurality of charging coils are arranged at intervals in the magnetic sensitive area, and the functional area is provided with the rechargeable battery.

3. The smart ring as claimed in claim 2, characterized in that: The magnetic sensitive area is provided with a plurality of mounting frames at intervals along the circumference of the inner ring, and threading holes are formed on the mounting frames. The number of the charging coils is consistent with the number of the mounting frames and they are wound around the threading holes of the corresponding mounting frames in a one-to-one correspondence, and each of the charging coils forms a ring structure, and the axial direction of the charging coil is the same as the axial direction of the inner ring.

4. The smart ring as claimed in claim 3, characterized in that: Each of the magnets is a U-shaped magnet, the openings of the plurality of magnets are all facing the inner ring and form a rotating channel with the inner ring, and the plurality of mounting frames and the plurality of charging coils are all located in the rotating channel.

5. The smart ring as claimed in claim 4, characterized in that: The magnet includes a bottom plate and a first side plate and a second side plate respectively arranged on both sides of the bottom plate, the first side plate and the second side plate are respectively located on both sides of the charging coil along the axial direction of the inner ring, the first side plate and the second side plate respectively correspond to the two magnetic poles of the magnet, and the polarities of the first side plates of any two adjacent magnets are different.

6. The smart ring as claimed in claim 2, characterized in that: The functional area is also provided with a health monitoring module electrically connected to the rechargeable battery, and the health monitoring module includes a detection component and a processing component. The inner ring is provided with an avoidance hole at a position corresponding to the functional area. The detection component is used to pass through the avoidance hole and detect and obtain the wearer's health information, and the processing component is used to process the health information and send the processed health information to an external device.

7. The smart ring according to any one of claims 1 to 6, characterized in that: The width of the charging coil along the circumference of the inner ring is A, the width of the magnet along the circumference of the inner ring is B, and the distance between any two adjacent magnets is C, wherein A>B+2C.

8. The smart ring according to any one of claims 1 to 6, characterized in that: The ring body also includes an energy storage element, and the plurality of charging coils are electrically connected to the energy storage element, and the energy storage element is electrically connected to the rechargeable battery, and the energy storage element is used to store the induced current generated by the charging coil.

9. The smart ring according to any one of claims 1 to 6, characterized in that: The ring body also includes a main controller, which is electrically connected to the rechargeable battery. The main controller can control the rechargeable battery to supply power to the charging coil. The charging coil is energized to form a magnetic field. The magnet interferes with the magnetic field so that the magnet drives the outer ring to vibrate along the axial direction of the ring body relative to the inner ring.

10. The smart ring according to any one of claims 1 to 6, characterized in that: A buckle is provided in the charging bin, and the buckle is used to abut against the outer periphery of the outer ring so that the outer ring is clamped in the charging bin.

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