Knee joint bending rehabilitation support with driving device capable of being assembled

By designing a knee bending rehabilitation stent with assembled drive devices, the existing rehabilitation stents are poorly targeted and inaccurately trained, the adjustment and power drive of the stent are achieved, and the possibility of accurate rehabilitation training at home is provided, and the accuracy and safety of rehabilitation training are improved.

CN222676590UActive Publication Date: 2025-03-28NORTHWESTERN POLYTECHNICAL UNIV
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Patent Information

Application Number
CN202421302820.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-03-28
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

When used, the existing rehabilitation stents are poorly targeted and have low body matching. They only provide fixed and local activity functions. It is difficult for patients to accurately judge the bending angle during rehabilitation training, and the insertion and removal of braces lead to secondary pain and prolonged recovery period.

Method used

A knee bending rehabilitation bracket with assembled drive devices is designed, including an upper carbon fiber fixing frame, an angle adjustment module, a power module, an ultrasonic sensor and an electromyography sensor. These components enable the adjustability and power drive of the bracket, supporting telemedicine and precision rehabilitation training.

Benefits of technology

It effectively solves the problem that patients need to go to the hospital for training frequently during the recovery period, provides the possibility of accurate rehabilitation training at home, reduces the secondary pain caused by putting on and taking off braces, and improves the accuracy and safety of rehabilitation training.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of rehabilitation supports, in particular to a knee joint bending rehabilitation support with a driving device capable of being assembled, which comprises an upper carbon fiber fixing frame, an angle adjusting module is arranged at the bottom end of the outer side of the upper carbon fiber fixing frame, and a power module is arranged on the outer side of the angle adjusting module. A first fixing leg enclosure is fixedly arranged at the top end of the outer side of the upper carbon fiber fixing frame, a first adjusting leg enclosure is arranged on the side face of the upper carbon fiber fixing frame, a lower carbon fiber fixing frame is arranged at the bottom end of the inner side of the upper carbon fiber fixing frame, and an ultrasonic sensor is arranged in the lower carbon fiber fixing frame. The beneficial effects of the utility model are that the device effectively solves the problems that a patient needs to go to a hospital to carry out rehabilitation training in the rehabilitation period at present, the patient has wrong actions or cannot accurately judge the training effect when carrying out rehabilitation training at home, and secondary pain is caused by putting on and taking off a brace in the previous training.
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Description

Technical Field

[0001] The utility model relates to the technical field of rehabilitation brackets, in particular to a knee joint bending rehabilitation bracket capable of being assembled with a driving device. Background Art

[0002] Rehabilitation assistive devices are short for "rehabilitation assistive devices". They refer to any product that can improve the participation of people with disabilities in activities, or protect, support, train, measure or replace the body functions and activities of people with disabilities, or prevent injuries, activity restrictions or participation restrictions of people with disabilities, including instruments, equipment and software. Braces are devices used on the limbs, trunk and other parts of the human body to prevent and correct deformities, treat bone, joint, muscle and nerve diseases and compensate for their functions through the action of force. Braces can be divided into the following basic functions: (1) Stabilization and support The use of assistive devices for rehabilitation training has the following therapeutic effects: (1) fix the diseased limb to relieve pain, relieve muscle spasms, promote inflammation or fracture healing; (2) limit abnormal joint movement to improve limb function; (3) correct deformities or prevent the occurrence and aggravation of deformities; (4) reduce local load on the limbs to promote the healing of lesions; (5) help patients with limb dysfunction to exercise muscles to restore some self-care ability; (6) relieve nerve compression symptoms through traction.

[0003] Nowadays, with the rapid development of my country's social economy, people's living standards and quality have been significantly improved. The environment and atmosphere of domestic sports have become popular. Not only athletes, but also the general public will actively participate in sports. Therefore, the number of sports injuries has also increased. On the basis of satisfying material life, people have gradually begun to pay attention to and pay attention to their own health problems. Due to the need for physical recovery, people will pay more attention to the use of medical means to promote rehabilitation, and brace products for sports therapy applications have emerged;

[0004] When using existing rehabilitation assistive devices, patients after anterior cruciate ligament rupture surgery may experience a three-month brace wearing period. The existing brace has poor pertinence, low body matching, and only provides fixation and local activity functions. Patients need to put on and take off the brace before and after daily bending training. At the same time, during rehabilitation training, patients cannot accurately judge whether the bending angle meets the standard, and the trainer needs to highly maintain the direction and strength of the force. Secondary surgery and extended rehabilitation period caused by unconscious errors during rehabilitation training often occur, which easily reduces the patient's comfort.

[0005] In order to solve the above problems, the present application proposes a knee flexion rehabilitation support that can be assembled with a driving device. Utility Model Content

[0006] To solve the problems raised in the above background technology. The utility model provides a knee flexion rehabilitation brace with an assembleable driving device, which can effectively solve the tediousness of patients going to the hospital for rehabilitation training during the rehabilitation period, the erroneous movements when doing rehabilitation training at home or the inability to accurately judge the training effect, and the problem of secondary pain caused by putting on and taking off the brace during previous training, and makes up for the lack of rehabilitation function of existing rehabilitation braces on the market.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a knee flexion rehabilitation support with an assembleable driving device, comprising an upper carbon fiber fixing frame, an angle adjustment module is provided at the bottom end of the outer side of the upper carbon fiber fixing frame, a power module is provided at the outer side of the angle adjustment module, a first fixed leg circumference is fixedly provided at the top end of the outer side of the upper carbon fiber fixing frame, a first adjustable leg circumference is provided on the side of the upper carbon fiber fixing frame, a lower carbon fiber fixing frame is provided at the bottom end of the inner side of the upper carbon fiber fixing frame, an ultrasonic sensor is provided inside the lower carbon fiber fixing frame, a second fixed leg circumference is fixedly provided at the bottom end of the outer side of the lower carbon fiber fixing frame, a second adjustable leg circumference is provided on the side of the lower carbon fiber fixing frame, an STM32 chip single-chip microcomputer is provided inside the upper carbon fiber fixing frame, and an electromyography sensor is provided inside the first adjustable leg circumference.

[0008] As a preferred knee flexion rehabilitation brace with an assembleable driving device of the utility model, two straps are provided at the top end of the inner side of the upper carbon fiber fixing frame, and the bottom end of the inner side of the lower carbon fiber fixing frame is respectively connected to the bottom ends of the two straps through adjusting buckles, so that the straps facilitate improving the stability of the brace when it is fixed on the patient's leg.

[0009] As a preferred knee flexion rehabilitation brace with an assembleable driving device of the utility model, the angle adjustment module includes an angle adjustment chuck, an overlying spring, a circular hinge component and a cam part, the cam part is located at the bottom end of the outer side of the upper carbon fiber fixing frame, the circular hinge component is located on one side of the cam part, the overlying spring is located on one side of the circular hinge component, and the angle adjustment chuck is located on one side of the overlying spring. The user can manually adjust the angle adjustment chuck to drive the transmission of the internal overlying spring, the circular hinge component and the cam part, so that the bracket can rotate within a certain range as the leg flexes, or fix the angle so that the leg cannot bend.

[0010] As a preferred knee flexion rehabilitation support with an assembleable drive device of the utility model, the power module includes an outer shell, a base plate, a servo and a rotating shaft, the base plate is located on one side of the angle adjustment chuck, a servo is fixedly provided on one side of the base plate, one end of the servo transmission shaft is fixedly connected to one end of the rotating shaft, the servo is convenient for driving the rotating shaft to rotate, and the outer shell is convenient for protecting the servo.

[0011] As a preferred embodiment of the utility model of a knee flexion rehabilitation support with an assembleable drive device, the side surface of the rotating shaft is rotatably connected to the inside of the base plate, the outer shell is located on one side of the base plate, and the base plate is convenient for fixing the steering gear.

[0012] As a preferred knee flexion rehabilitation brace with an assembleable driving device of the utility model, a placement slot is opened inside the shell, and a light-emitting indicator light is fixed inside the placement slot. The light-emitting indicator light can remind the patient by flashing, staying on or changing color when the patient uses the powered leg intelligent rehabilitation brace.

[0013] As a preferred knee flexion rehabilitation support with an assembleable driving device of the utility model, a wireless charging module chip is fixedly provided on the top of one side of the base plate, and a battery shell is provided on one side of the wireless charging module chip, which is convenient for providing protection for the lithium battery.

[0014] As a preferred knee flexion rehabilitation support with an assembleable driving device of the utility model, a lithium battery is arranged inside the battery shell, and a wireless charging coil is arranged on the top of the wireless charging module chip. The power module part is charged by the wireless charging coil to replenish the lithium battery.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. This device supports telemedicine for doctors and patients through a brace that can provide force for bending training, that is, a detachable power source is specially set on the existing fixed brace, which is installed during rehabilitation training, and the brace becomes movable, and the driving source drives the legs to perform bending training. The driving source can be removed during non-rehabilitation training, and the brace becomes fixed or can be bent independently by the patient in a small range. At the same time, the brace support and fixed part consists of an adjustable carbon fiber fixed bracket, a press-adjustable breathable mesh material strap, and a non-slip and anti-allergic silicone dot lining, which can easily adjust the size of the brace to make it perfectly fit the patient's body. Compared with the technical solution that knee orthosis can only provide fixation and local activity functions, this device effectively solves the tediousness of patients having to go to the hospital for rehabilitation training during the rehabilitation period, the wrong movements or inability to accurately judge the training effect when performing rehabilitation training at home, and the problem of secondary pain caused by putting on and taking off the brace during previous training.

[0017] 2. The design of this device fully considers safety and scientificity, cleverly designs the appearance and internal structure, pays attention to details and user experience, remote doctor control, personal training records, personal medical records and a series of supporting services, combined with intelligent power braces, greatly provide patients with convenient and accurate rehabilitation experience. Doctors can detect the patient's pain level and muscle strength through the electromyography sensing system, and control the power device through the doctor's end to set the exercise intensity and angle suitable for the patient's rehabilitation to drive the patient's knee for accurate and effective rehabilitation training. The present invention makes up for the lack of rehabilitation function of existing rehabilitation brackets on the market. At present, most patients use knee orthotic braces, which are either locked in a fully extended state or have an adjustable range of motion. Therefore, no rehabilitation stimulation is provided to the knee joint and lower limbs, and rehabilitation training needs to be carried out in cooperation with rehabilitation physicians or other rehabilitation equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the installation structure of the rotating shaft of the utility model;

[0021] Figure 3 This is a structural schematic diagram of the angle adjustment module of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the power module of the utility model;

[0023] Figure 5 This is a schematic diagram of the installation structure of the electromyographic sensor of the utility model.

[0024] In the figure:

[0025] 1. Upper carbon fiber fixing frame; 2. Angle adjustment module; 201. Angle adjustment chuck; 202. Overlying spring; 203. Circular hinge member; 204. Cam part; 3. Power module; 301. Shell; 302. Bottom plate; 303. Servo; 304. Rotating shaft; 305. Light indicator; 306. Wireless charging module chip; 307. Battery shell; 308. Lithium battery; 309. Wireless charging coil; 4. First fixed leg circumference; 5. First adjustable leg circumference; 6. Lower carbon fiber fixing frame; 7. Ultrasonic sensor; 8. Second fixed leg circumference; 9. Second adjustable leg circumference; 10. STM32 chip microcontroller; 11. EMG sensor; 12. Strap. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1

[0028] like Figure 1-Figure 5 As shown;

[0029] A knee joint flexion rehabilitation support with an assembleable driving device comprises an upper carbon fiber fixing frame.

[0030] When using existing rehabilitation assistive devices, patients who have undergone anterior cruciate ligament rupture surgery may experience a three-month brace wearing period. The existing brace has poor pertinence, low body matching, and only provides fixation and local activity functions. Patients need to put on and take off the brace before and after daily bending training. At the same time, during rehabilitation training, patients cannot accurately judge whether the bending angle meets the standard, and the auxiliary trainer needs to highly maintain the direction and strength of the force. Secondary surgery and prolonged rehabilitation period caused by unconscious mistakes during rehabilitation training often occur, which easily reduces the patient's comfort. In terms of combined use, this problem is obviously a problem that exists and is difficult to solve. In view of this, in order to solve this technical problem, an angle adjustment module and a power module are added to this application document;

[0031] More specifically:

[0032] like Figures 1 to 5 As shown:

[0033] In combination with the above content: A knee flexion rehabilitation brace with an assembleable driving device comprises an upper carbon fiber fixing frame 1, an angle adjustment module 2 is provided at the bottom end of the outer side of the upper carbon fiber fixing frame 1, a power module 3 is provided at the outer side of the angle adjustment module 2, a first fixed leg girth 4 is fixedly provided at the top end of the outer side of the upper carbon fiber fixing frame 1, a first adjustable leg girth 5 is provided on the side of the upper carbon fiber fixing frame 1, a lower carbon fiber fixing frame 6 is provided at the bottom end of the inner side of the upper carbon fiber fixing frame 1, an ultrasonic sensor 7 is provided inside the lower carbon fiber fixing frame 6, a second fixed leg girth 8 is fixedly provided at the bottom end of the outer side of the lower carbon fiber fixing frame 6, a second adjustable leg girth 9 is provided on the side of the lower carbon fiber fixing frame 6, an STM32 chip single chip microcomputer 10 is provided inside the upper carbon fiber fixing frame 1, and an electromyography sensor 11 is provided inside the first adjustable leg girth 5.

[0034] In this embodiment: the patient's leg that needs to wear the brace is straightened and located in front of the body, the patient unfastens the rehabilitation brace with both hands, puts the leg into the middle of the unfolded rehabilitation brace, and closes the rehabilitation brace so that the upper carbon fiber fixing frame 1 and the lower carbon fiber fixing frame 6 are located on both sides of the leg, and the brace is fixed on the leg by adjusting the first adjustment leg circumference 5 and the second adjustment leg circumference 9, and the two straps 12 are tightened by adjusting the buckle to make the brace fit the leg and be more stable to wear, and the rotating shaft 304 of the power module 3 is inserted into the angle adjustment chuck 201 on the bracket, and the rotating shaft 304 is relatively fixed to the shaft groove in the angle adjustment chuck 201, which can drive the lower carbon fiber fixing frame 6 of the lower part of the brace to rotate. After insertion, the power module 3 can drive the bracket to allow the patient to perform passive flexion rehabilitation training, and the power module 3 is connected to the upper carbon fiber fixing frame 1 with a buckle, which is convenient for disassembly and maintenance.

[0035] In an optional embodiment: two straps 12 are provided at the top of the inner side of the upper carbon fiber fixing frame 1, and the bottom end of the inner side of the lower carbon fiber fixing frame 6 is respectively connected to the bottom ends of the two straps 12 through adjusting buckles.

[0036] In this embodiment: the strap 12 is convenient for improving the stability of the support when it is fixed on the patient's leg.

[0037] In an optional embodiment: the angle adjustment module 2 includes an angle adjustment chuck 201, an overlying spring 202, a circular hinge member 203 and a cam portion 204, the cam portion 204 is located at the bottom end of the outer side of the upper carbon fiber fixing frame 1, the circular hinge member 203 is located on one side of the cam portion 204, the overlying spring 202 is located on one side of the circular hinge member 203, and the angle adjustment chuck 201 is located on one side of the overlying spring 202.

[0038] In this embodiment: the user can manually adjust the angle adjustment chuck 201 to drive the internal overlying spring 202, circular hinge member 203 and cam portion 204, so that the bracket can rotate within a certain range as the leg bends, or fix the angle so that the leg cannot bend.

[0039] In an optional embodiment: the power module 3 includes a shell 301, a base plate 302, a servo 303 and a rotating shaft 304, the base plate 302 is located on one side of the angle adjustment chuck 201, the servo 303 is fixedly provided on one side of the base plate 302, and one end of the transmission shaft of the servo 303 is fixedly connected to one end of the rotating shaft 304.

[0040] In this embodiment, the steering gear 303 is convenient for driving the rotating shaft 304 to rotate, and the housing 301 is convenient for protecting the steering gear 303 .

[0041] In an optional embodiment, the side surface of the rotating shaft 304 is rotatably connected to the inside of the bottom plate 302 , and the housing 301 is located on one side of the bottom plate 302 .

[0042] In this embodiment: the bottom plate 302 is convenient for fixing the steering gear 303 .

[0043] In an optional embodiment: a placement groove is provided inside the housing 301 , and a light-emitting indicator light 305 is fixedly provided inside the placement groove.

[0044] In this embodiment: the light indicator 305 can remind the patient by flashing, being always on, or changing color when the patient uses the powered intelligent leg rehabilitation support.

[0045] In an optional embodiment: a wireless charging module chip 306 is fixedly provided on the top of one side of the bottom plate 302 , and a battery shell 307 is provided on one side of the wireless charging module chip 306 .

[0046] In this embodiment, the battery shell 307 is convenient for providing protection for the lithium battery 308 .

[0047] In an optional embodiment: a lithium battery 308 is provided inside the battery shell 307 , and a wireless charging coil 309 is provided on the top of the wireless charging module chip 306 .

[0048] In this embodiment: the power module 3 is charged by a wireless charging ring to replenish the power of the lithium battery 308.

[0049] The working principle and use process of the utility model are as follows: the first step is that the patient sits on a stool, with the leg to be worn on the front of the body straightened, unfastens the rehabilitation brace with both hands, puts the leg into the middle of the unfolded rehabilitation brace, closes the rehabilitation brace so that the upper carbon fiber fixing frame 1 and the lower carbon fiber fixing frame 6 are located on both sides of the leg, and the bracket is fixed on the leg by adjusting the first adjustment leg circumference 5 and the second adjustment leg circumference 9, and the two straps 12 are tightened by adjusting the buckle to make the bracket fit the leg and be more stable to wear. The second step is to insert the rotating shaft 304 of the power module 3 into the angle adjustment chuck 201 on the bracket, and rotate The shaft 304 is relatively fixed to the shaft groove in the angle adjustment chuck 201, which can drive the lower carbon fiber fixing frame 6 of the brace to rotate. After insertion, the power module 3 can drive the bracket to enable the patient to perform passive flexion rehabilitation training. The power module 3 and the upper carbon fiber fixing frame 1 are connected by a buckle, which is convenient for disassembly and easy to maintain. In the third step, the patient can connect the rehabilitation bracket to the app through Bluetooth, and use the app on the mobile phone to view his own data, follow up the training progress, obtain rehabilitation knowledge, etc., so that home rehabilitation training is more accurate and effective. At the same time, the doctor can make an appointment with the doctor on the app for telemedicine, saving time for face-to-face consultation in the hospital. In the fourth step, the doctor can detect the patient's pain level and muscle strength through the electromyographic sensor 11, and control the power module 3 through the doctor-side app, set the precise movement strength and angle to drive the patient's knee to perform efficient rehabilitation training. The power module 3 is controlled by the STM32 chip single-chip microcomputer 10, and the servo 303 is controlled to rotate at a certain angle according to the requirements sent by the back-end doctor-side app to provide remote control. The electromyographic device is controlled by the STM32 chip single-chip microcomputer 10, and the back-end sends instructions to start the power supply and start the ultrasonic sensor 7. When After the ultrasonic sensor 7 senses that the housing 301 of the power module 3 is plugged in and fixed, the light indicator 305 and the electromyographic sensor 11 are started, and the STM32 chip microcontroller 10 transmits the electromyographic signal to the background, and obtains the required data after processing. In the fifth step, the bracket is equipped with an angle adjustment chuck 201, an overlying spring 202, a circular hinge component 203, and a cam part 204 for adjusting the angle. After the power module 3 is removed and connected, normal use of the patient is guaranteed. The power module 3 uses radio technology to power the lithium battery 308 through the wireless charging module chip 306 to provide power for the machine.

[0050] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A knee joint bending rehabilitation support with an assembleable driving device, comprising an upper carbon fiber fixing frame (1), characterized in that: An angle adjustment module (2) is provided at the bottom end of the outer side of the upper carbon fiber fixing frame (1), a power module (3) is provided at the outer side of the angle adjustment module (2), a first fixed leg circumference (4) is fixedly provided at the top end of the outer side of the upper carbon fiber fixing frame (1), a first adjustable leg circumference (5) is provided on the side of the upper carbon fiber fixing frame (1), a lower carbon fiber fixing frame (6) is provided at the bottom end of the inner side of the upper carbon fiber fixing frame (1), an ultrasonic sensor (7) is provided inside the lower carbon fiber fixing frame (6), a second fixed leg circumference (8) is fixedly provided at the bottom end of the outer side of the lower carbon fiber fixing frame (6), a second adjustable leg circumference (9) is provided on the side of the lower carbon fiber fixing frame (6), an STM32 chip single chip microcomputer (10) is provided inside the upper carbon fiber fixing frame (1), and an electromyographic sensor (11) is provided inside the first adjustable leg circumference (5).

2. A knee joint bending rehabilitation support with an assembleable driving device according to claim 1, characterized in that: The top end of the inner side of the upper carbon fiber fixing frame (1) is provided with two straps (12), and the bottom end of the inner side of the lower carbon fiber fixing frame (6) is respectively connected to the bottom ends of the two straps (12) via adjustment buckles.

3. A knee joint bending rehabilitation support with an assembleable driving device according to claim 1, characterized in that: The angle adjustment module (2) comprises an angle adjustment chuck (201), an overlying spring (202), a circular hinge component (203) and a cam portion (204); the cam portion (204) is located at the bottom end of the outer side of the upper carbon fiber fixing frame (1); the circular hinge component (203) is located on one side of the cam portion (204); the overlying spring (202) is located on one side of the circular hinge component (203); and the angle adjustment chuck (201) is located on one side of the overlying spring (202).

4. A knee joint bending rehabilitation support with an assembleable driving device according to claim 3, characterized in that: The power module (3) comprises a housing (301), a base plate (302), a steering gear (303) and a rotating shaft (304); the base plate (302) is located on one side of the angle adjustment chuck (201); a steering gear (303) is fixedly provided on one side of the base plate (302); one end of a transmission shaft of the steering gear (303) is fixedly connected to one end of the rotating shaft (304).

5. A knee joint bending rehabilitation support with an assembleable driving device according to claim 4, characterized in that: The side surface of the rotating shaft (304) is rotatably connected to the inside of the bottom plate (302), and the housing (301) is located on one side of the bottom plate (302).

6. A knee joint bending rehabilitation support with an assembleable driving device according to claim 5, characterized in that: A placement groove is provided inside the housing (301), and a light-emitting indicator light (305) is fixedly provided inside the placement groove.

7. A knee joint bending rehabilitation support with an assembleable driving device according to claim 6, characterized in that: A wireless charging module chip (306) is fixedly provided at the top end of one side of the bottom plate (302), and a battery shell (307) is provided at one side of the wireless charging module chip (306).

8. The knee joint bending rehabilitation support with an assembleable driving device according to claim 7, characterized in that: A lithium battery (308) is arranged inside the battery shell (307), and a wireless charging coil (309) is arranged on the top of the wireless charging module chip (306).