Simulated hand visual sensing teaching aid

Abstract

The utility model discloses a simulated hand visual sensing teaching aid which comprises a hand model, the hand model comprises a hand skeleton, silica gel covers the outer side of the hand skeleton, a sensor is installed between the hand skeleton and the silica gel, the sensor is connected with a processing device through a data line, a microprocessor is arranged in the processing device, and the microprocessor is connected with the hand skeleton. The side edge of the processing equipment is electrically connected with a display screen; the hand model, the display screen and the processing equipment are distributed on the support frame from top to bottom; according to the utility model, the hand model is arranged, the inner side of the hand model is provided with the sensor, the sensor is electrically connected with the processing equipment, the processing equipment is used for receiving signals transmitted by the pressure sensor and analyzing and processing the signals, and the processing equipment is connected with the display screen for displaying data information, so that accurate positions of acupuncture points of students can be visually prompted; quantized data are provided for hand massage teaching, and the teaching efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of hand massage teaching technology, specifically a simulated hand visualization sensor teaching aid. Background Technology

[0002] Hand massage, as an important component of traditional Chinese medicine therapy, is widely used in clinical treatment and rehabilitation. However, current teaching of hand massage faces many challenges, affecting the quality and effectiveness of instruction.

[0003] Traditional hand massage instruction relies primarily on teacher demonstrations and student practice. During practice, teacher assessments of student techniques are often based on personal experience and subjective feelings, making it difficult to precisely quantify the pressure and frequency during massage. For example, when judging whether a student's pressure on acupoints is appropriate, teachers lack objective data and can only use vague statements such as "the pressure is a little light" or "the pressure is acceptable." This makes it difficult for students to accurately grasp the standards of correct technique, and learning outcomes are easily influenced by the teacher's subjective factors. Furthermore, differences in teaching standards among different teachers hinder students from systematically and correctly mastering massage techniques.

[0004] Due to the lack of quantitative feedback, students cannot understand the shortcomings of their techniques in a timely and accurate manner during the learning process, requiring them to spend a lot of time repeatedly exploring and trying. Taking the massage techniques for specific acupoints as an example, students may still not be sure whether their techniques are correct even after multiple practices, leading to a prolonged learning cycle and low teaching efficiency. This not only wastes students' learning time and energy but also limits the effective use of teaching resources.

[0005] Standardized massage techniques are crucial in massage instruction. However, the traditional teaching model lacks objective and quantifiable data, making it difficult to establish unified and scientific teaching standards. Different teachers explain and demonstrate the same massage techniques differently, making it difficult for students to develop a unified understanding and standardized operating habits. This negatively impacts the promotion and inheritance of massage instruction and hinders the cultivation of massage professionals with consistent skill levels. Utility Model Content

[0006] The purpose of this invention is to provide a simulated hand visualization sensor teaching tool, which aims to improve the problem that hand massage teaching relies on subjective feedback, makes it difficult to quantify pressure and frequency, and affects teaching efficiency.

[0007] This utility model is implemented as follows: A simulated hand visualization sensor teaching aid includes a hand mold, which includes a hand skeleton. The outside of the hand skeleton is covered with silicone, and a sensor is installed between the hand skeleton and the silicone. The sensor is connected to a processing device via a data cable. The processing device is equipped with a microprocessor, and a display screen is electrically connected to the side of the processing device. It also includes a support frame, and the hand mold, display screen, and processing device are distributed on the support frame from top to bottom.

[0008] Preferably, the support frame includes a base, a first support mechanism, and a second support mechanism. The bottom of the first support mechanism is inserted into the base, and the end of the second support mechanism is sleeved on the first support mechanism. The hand mold is installed on the top of the first support mechanism, and the display screen is installed on the other end of the second support mechanism.

[0009] Preferably, the base includes a fixedly connected bottom frame and a chassis. A fastening bolt is provided through a protruding plate fixedly disposed on the side of the bottom frame. The bottom thread of the fastening bolt is inserted into the side plate. The angle between the side plate and the bottom frame is adjustable.

[0010] Preferably, the first support mechanism includes a vertical rod and a first sleeve. The bottom of the vertical rod is inserted into a bottom cylinder fixedly installed above the chassis, and the first sleeve is hinged to a top plate installed at the top of the vertical rod.

[0011] Preferably, a fixing plate is fixedly installed above the top plate, and a buckle groove is provided on the upper side of the top plate. The buckle groove is set perpendicular to the fixing plate, and the end of the buckle groove away from the fixing plate is set as an opening. A clamping plate is installed on the side of the fixing plate by bolts, and a buckle block is fixedly installed at the bottom of the clamping plate. The buckle block is installed in the buckle groove.

[0012] Preferably, a connecting plate is fixedly installed below the first sleeve. The connecting plate is located between the fixed plate and the clamping plate, and the plug rods fixedly installed on the clamping plate are inserted into the slots on the side wall of the connecting plate. The plug rods and slots are set to the same even number, and the plug rods and slots are evenly distributed around the bolt.

[0013] Preferably, the second support mechanism includes a connecting rod assembly, a second sleeve, a first clamping plate, and a second clamping plate. The second sleeve is fixedly disposed at one end of the connecting rod assembly and is sleeved on the vertical rod. The first clamping plate and the second clamping plate are connected by bolts and sleeved on the other end of the connecting rod assembly.

[0014] Preferably, the linkage assembly includes a first link, a second link, and a third link. The second link is made of aluminum, and the first link and the third link are fixedly disposed at both ends of the second link, while the third link is connected to the second sleeve.

[0015] Preferably, a retaining bolt is threaded through the sidewalls of the first sleeve and the second sleeve, the end of the retaining bolt at the second sleeve contacts the vertical rod, the first sleeve is sleeved on the end post at the end of the hand mold, and the end of the retaining bolt at the first sleeve contacts the end post.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. This utility model includes a hand mold with a sensor on its inner side. The sensor is electrically connected to a processing device, which receives and analyzes the signal from the pressure sensor. The processing device is also connected to a display screen that shows the data, providing students with a clear indication of the accurate location of acupoints. This provides quantitative data for hand massage instruction and improves teaching efficiency.

[0018] 2. This utility model is equipped with a support frame, which can stably support the hand mold, display screen, and processing equipment, ensuring their stable installation. In addition, the hand mold can be adjusted relative to the support frame to allow for adjustment of the hand mold's state according to teaching needs, thus improving the flexibility of the device.

[0019] 3. This utility model sets multiple FSR sensors on the inside of the hand mold, covering key acupoints such as Hegu and Laogong and tendon attachment points, which can monitor the strength and frequency of massage techniques in real time and provide objective data support.

[0020] 4. This utility model meets the needs of various teaching scenarios such as classroom demonstrations, teacher guidance, and student self-study by providing three data display methods: built-in OLED screen, wired connection to a computer, and wireless Bluetooth connection to a mobile phone. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the hand mold of this utility model;

[0023] Figure 3 This is a structural schematic diagram of the base, the first support mechanism, and the second support mechanism of this utility model;

[0024] Figure 4 This is a structural schematic diagram of the base of this utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the second support mechanism of this utility model;

[0026] Figure 6 This is a structural schematic diagram of the first support mechanism of this utility model.

[0027] In the diagram: 1. Hand mold; 11. Sensor; 12. End post; 13. Data cable; 2. Display screen; 3. Processing equipment; 4. Base; 41. Chassis; 42. Bottom frame; 43. Bottom cylinder; 44. Side plate; 45. Fastening bolt; 5. First support mechanism; 51. Vertical rod; 52. Top plate; 53. Fixing plate; 54. Clip groove; 55. Clip block; 56. Clamping plate; 57. Connecting plate; 58. First sleeve; 6. Second support mechanism; 61. First clamping plate; 62. Second clamping plate; 63. First connecting rod; 64. Second connecting rod; 66. Third connecting rod; 65. Second sleeve. Detailed implementation method:

[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] The following description, in conjunction with the accompanying drawings and specific embodiments, provides further details:

[0030] like Figure 1 , Figure 2As shown, to facilitate teachers and students in obtaining objective massage data during hand massage teaching and to adjust massage teaching and training in a timely manner, this embodiment provides a hand massage model. The model includes a hand mold 1, a display screen 2, and a processing device 3. The hand mold 1 includes a hand skeleton, silicone, and sensors 11 (configured as FSR sensors). The hand skeleton is made using 3D printing technology. The sensors 11 are mounted on the hand skeleton, and silicone is used to cover the outside of the hand skeleton and sensors 11 to simulate muscle skin. Multiple sensors 11 are provided, located at acupoints such as Hegu, Laogong, and Yangxi, and at tendon attachment points. Multiple sensors 11 are connected to the processing device 3 via data lines 13 (such as SPI, I2C serial bus, etc.). The processing device 3 internally integrates a microprocessor, a signal amplifier, a power module, etc., and has connectors on its external side. The microprocessor receives signals from the pressure sensors and analyzes and processes them. The signal amplifier amplifies the weak signals from the pressure sensors to ensure accurate identification by the microprocessor. The power module provides power to the entire teaching aid. Specifically, it uses a 3.7V lithium battery (capacity 1000mAh to 3000mAh), which is charged via a TP4056 charging management module and boosted to 5V using an MT3608 boost module, providing a stable power supply to the system. This power supply design supports three modes: built-in OLED screen display, wired connection to a computer, and wireless Bluetooth connection to a mobile phone, ensuring stable operation in different scenarios and under all three modes. The processed information is displayed on screen 2 to intuitively indicate the accurate location of acupoints to students, providing quantitative data for hand massage instruction and improving teaching efficiency.

[0031] Sensor 11 is an Interlink FSR 402 sensor with a diameter of 13mm. This model has high sensitivity and is suitable for precise pressure measurement when attached to acupoints and tendon attachment points. Specifically, a total of 10 sensors 11 are set and attached to the following locations:

[0032] 1. Hegu (LI4): Located at the web between the thumb and index finger;

[0033] 2. Laogong (PC8): Located in the center of the palm, where the tip of the middle finger touches when making a fist;

[0034] 3. Shenmen (HT7): Located at the wrist crease, in the depression on the little finger side;

[0035] 4. Yangxi (LI5): Located on the wrist, in the depression on the thumb side;

[0036] 5. Zhongzhu (TE3): Located on the back of the hand, behind the interphalangeal space between the ring and little fingers;

[0037] 6. Flexor digitorum profundus tendon (FDP) index finger: located at the base of the index finger, on the palmar side;

[0038] 7. Flexor digitorum profundus tendon (FDP) in the middle finger: located at the base of the middle finger, on the palmar side;

[0039] 8. Flexor digitorum profundus tendon (FDP) ring finger: located at the base of the ring finger, on the palmar side;

[0040] 9. Flexor digitorum profundus tendon (FDP) Little finger: Located at the base of the little finger, on the palmar side;

[0041] 10. Extensor digitorum constrictor (EDC): Located on the back of the hand, covering the interphalangeal space from the index finger to the little finger.

[0042] The selection of the sensor locations is based on the needs of hand anatomy and massage teaching, covering key acupoints and tendon attachment points to comprehensively monitor the strength and frequency of massage techniques and ensure the integrity of teaching data.

[0043] The silicone material used is 0-degree silicone (Shore A0), which is highly flexible, provides excellent simulation, and is suitable for simulating the feel of human skin and muscles. The silicone layer thickness is controlled at 2-3mm to ensure a realistic feel without affecting the sensor's sensitivity.

[0044] The sensor and processing device are connected via DuPont wires. The FSR sensor is connected to the analog input pins (such as A0-A5) of the ESP32 microcontroller. The ESP32 microcontroller, as the core processing unit, is responsible for reading sensor data, driving the OLED screen, and managing wired and wireless communications.

[0045] To meet the needs of real-time viewing and analysis of hand massage data in different teaching scenarios, in addition to the built-in OLED screen (SSD1306, 128x64 pixels), the system also supports the following two data display methods:

[0046] Wired connection to computer: Connect the processing device to the computer via USB cable, and transmit data via serial port. The computer can use the Arduino IDE's serial monitor or a custom Python script to receive and display the data;

[0047] Wireless Bluetooth connection to mobile phone: Utilizing the Bluetooth function of ESP32, data is transmitted to the mobile phone, which receives and displays the data through an APP developed by MIT App Inventor.

[0048] The three data presentation methods mentioned above can be flexibly adapted to classroom demonstrations or student self-study, thereby improving teaching efficiency.

[0049] The system is programmed using the Arduino IDE, based on the C++ language, and integrates the Adafruit_SSD1306 library (for driving the OLED screen display) and the BluetoothSerial library (for implementing Bluetooth communication) to achieve data reading, display, and transmission.

[0050] like Figure 1 As shown, in order to place the hand mold 1, display screen 2, and processing device 3 relatively stably, a support frame is also provided. The hand mold 1, display screen 2, and processing device 3 are distributed on the support frame from top to bottom, and thus are stably installed under the action of the support frame. In addition, the hand mold 1 and display screen 2 can be adjusted relative to the support frame, which improves the flexibility of the device.

[0051] like Figure 3 As shown, specifically, the support frame includes a base 4, a first support mechanism 5, and a second support mechanism 6. The bottom of the first support mechanism 5 is inserted into the base 4, and the end of the second support mechanism 6 is sleeved on the first support mechanism 5. The hand mold 1 is installed on the top of the first support mechanism 5, and the display screen 2 is installed at the end of the linkage assembly (i.e., the end away from the second sleeve 65).

[0052] like Figure 4 As shown, to ensure the support frame is stably placed on the workbench, the base 4 includes side plates 44, a bottom frame 42, and a chassis 41. The chassis 41 is fixedly installed at the end of the bottom frame 42, and the side plates 44 are adjustablely installed on the side of the bottom frame 42. Therefore, the angle formed between the side plates 44 and the bottom frame 42 can be adjusted as needed, thereby ensuring the support frame is stably placed with the cooperation of the side plates 44, the bottom frame 42, and the chassis 41. The processing equipment 3 is stably installed above the bottom frame 42.

[0053] like Figure 4 As shown, in order to achieve a stable connection between the side plate 44 and the bottom frame 42, a protruding plate is fixedly provided on the side of the bottom frame 42, and a channel is provided on the protruding plate. A fastening bolt 45 is inserted through the channel. The bottom thread of the fastening bolt 45 is inserted into the end of the side plate 44. Therefore, the restriction between the side plate 44 and the bottom frame 42 can be released by removing the fastening bolt 45, and the side plate 44 can be controlled to rotate around the fastening bolt 45. Then, under the action of the fastening bolt 45, the side plate 44 and the bottom frame 42 are stably connected.

[0054] like Figure 6As shown, to stably support the hand mold 1, the first support mechanism 5 includes a vertical rod 51 and a first sleeve 58. The bottom of the vertical rod 51 is bolted into the base cylinder 43, and the base cylinder 43 is fixedly installed on the chassis 41. Therefore, the vertical rod 51 is vertically installed above the chassis 41. A top plate 52 is fixedly installed at the top of the vertical rod 51. The first sleeve 58 is hinged to the top plate 52 and is fitted onto the end post 12 at the end of the hand mold 1. With the cooperation of the vertical rod 51 and the first sleeve 58, the hand mold 1 can be stably installed. The end post 12 and the first sleeve 58 can be easily disassembled as needed, allowing the hand mold 1 to be removed from the support frame to meet different usage requirements.

[0055] like Figure 6 As shown, in order to adjust the orientation of the palm and back of the hand of the hand mold 1 according to the needs, a pressing bolt is threaded through the side wall of the first sleeve 58, and the end of the pressing bolt is set to press against the end post 12. While ensuring that the hand mold 1 is stably installed relative to the vertical rod 51, it provides convenience for controlling the rotation of the hand mold 1 around the central axis of the end post 12 according to the needs, thereby facilitating comprehensive teaching by teachers and students.

[0056] like Figure 1 , Figure 2 As shown, in order to adjust the orientation of the hand mold 1 when not in use and reduce the spatial size of the model, a fixing plate 53 is fixedly installed above the top plate 52, and a clamping plate 56 is installed on the side of the fixing plate 53 by bolts. A connecting plate 57 is fixedly installed below the first sleeve 58. The connecting plate 57 is located between the fixing plate 53 and the clamping plate 56, and the bolts pass through the connecting plate 57. Therefore, the clamping plate 56 and the fixing plate 53 can be controlled to squeeze the connecting plate 57 under the action of the bolts, so that the hand mold 1 is stably in a certain orientation under the action of resistance, and provides convenience for adjusting the orientation of the hand mold 1 as needed.

[0057] like Figure 6 As shown, in order to stably install the clamping plate 56 on the top plate 52, a snap-fit ​​groove 54 is provided on the upper side of the top plate 52. The snap-fit ​​groove 54 is set vertically to the fixing plate 53, and the end of the snap-fit ​​groove 54 away from the fixing plate 53 is set as an opening. A snap-fit ​​block 55 is fixedly provided at the bottom of the clamping plate 56. The snap-fit ​​block 55 is installed in the snap-fit ​​groove 54. Therefore, the clamping plate 56 can be stably installed by the cooperation of the snap-fit ​​block 55 and the snap-fit ​​groove 54.

[0058] like Figure 6As shown, in order to enhance the strength of the connecting plate 57 relative to the clamping plate 56 and the fixing plate 53, multiple insert rods are fixedly installed on the side of the clamping plate 56 near the fixing plate 53, and multiple slots are provided on the side wall of the connecting plate 57 away from the fixing plate 53. The insert rods and slots are set to the same even number, and the insert rods and slots are evenly distributed with the bolt as the center. Therefore, when the clamping plate 56 is close to the connecting plate 57, the insert rods are inserted into the slots, and the connecting plate 57 is stably installed relative to the fixing plate 53 and the clamping plate 56 with the cooperation of the insert rods and slots.

[0059] like Figure 5 As shown, to stably support the display screen 2, the second support mechanism 6 includes a connecting rod assembly, a second sleeve 65, a first clamping plate 61, and a second clamping plate 62. The second sleeve 65 is fixedly installed at one end of the connecting rod assembly, and a pressing bolt is threaded through the side wall of the second sleeve 65. Simultaneously, the second sleeve 65 is fitted onto the vertical rod 51, and the end of the pressing bolt presses against the vertical rod 51, thus ensuring stable installation of the second sleeve 65 and the connecting rod assembly relative to the vertical rod 51. The first clamping plate 61 and the second clamping plate 62 are bolted together and fitted onto the other end of the connecting rod assembly. The second clamping plate 62 is bolted together and fitted against the back side of the display screen 2. Therefore, under the action of the connecting rod assembly, the display screen 2 is stably installed on the side of the vertical rod 51.

[0060] like Figure 5 As shown, when the first clamping plate 61 and the second clamping plate 62 are fitted onto the connecting rod assembly, it is necessary to adjust the pressure they exert on the connecting rod assembly so that the first clamping plate 61 and the second clamping plate 62 and the connecting rod assembly are in a state where they can rotate relative to each other under external force. This allows the instructors to rotate the first clamping plate 61 and the second clamping plate 62 relative to the connecting rod assembly as needed, thereby adjusting the tilt angle of the display screen 2.

[0061] like Figure 5 As shown, in order to adjust the position of the display screen 2 relative to the vertical rod 51 while the second sleeve 65 is stably connected to the vertical rod 51, the linkage group includes a first link 63, a second link 64, and a third link 66. The second link 64 is made of a bendable material such as aluminum or copper, and the first link 63 and the third link 66 are respectively fixed at both ends of the second link 64. At the same time, the third link 66 is connected to the second sleeve 65. Therefore, the instructor can apply force to the linkage group to adjust the degree of bending of the linkage group and realize the adjustment of the position of the display screen 2.

[0062] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A simulated hand visual teaching aid, characterized by, The hand mold (1) comprises a hand skeleton, a silica gel is covered on the outside of the hand skeleton, and a sensor (11) is installed between the hand skeleton and the silica gel, the sensor (11) is connected with a processing device (3) through a data line (13), a microprocessor is arranged in the processing device (3), and a display screen (2) is arranged on the side of the processing device (3) in an electrical connection; the hand mold (1), the display screen (2) and the processing device (3) are arranged on the support frame from top to bottom.

2. The visualized sensing teaching aid of claim 1, wherein The support frame comprises a base (4), a first supporting mechanism (5) and a second supporting mechanism (6), the bottom of the first supporting mechanism (5) is inserted and installed in the base (4), and the end of the second supporting mechanism (6) is sleeved on the first supporting mechanism (5); the hand mold (1) is installed on the top of the first supporting mechanism (5), the display screen (2) is installed on the other end of the second supporting mechanism (6), and the processing device (3) is installed on the base (4).

3. The visualized sensing teaching aid of claim 2, wherein, The base (4) comprises a bottom frame (42) and a bottom disc (41) fixedly connected, a fastening bolt (45) is arranged through the protruding plate fixedly arranged on the side of the bottom frame (42), the bottom of the fastening bolt (45) is screwed into the side plate (44), and the included angle between the side plate (44) and the bottom frame (42) is adjustable.

4. The visualized sensing teaching aid of claim 3, wherein, The first supporting mechanism (5) comprises a vertical rod (51) and a first sleeve (58), the bottom of the vertical rod (51) is inserted and installed in the bottom cylinder (43) fixedly arranged above the bottom disc (41), and the first sleeve (58) is hingedly connected with the top disc (52) installed on the top of the vertical rod (51).

5. The visualized sensory teaching aid of claim 4, wherein, A fixed plate (53) is fixedly arranged above the top disc (52), the upper side of the top disc (52) is provided with a buckle groove (54) arranged vertically to the fixed plate (53), one end of the buckle groove (54) away from the fixed plate (53) is arranged as an opening, a clamping plate (56) is arranged on the side of the fixed plate (53) through a bolt, a buckle block (55) is fixedly arranged on the bottom of the clamping plate (56), and the buckle block (55) is installed in the buckle groove (54).

6. The visualized sensory teaching aid of claim 5, wherein, A connecting plate (57) is fixedly arranged below the first sleeve (58), the connecting plate (57) is located between the fixed plate (53) and the clamping plate (56), a plug rod fixedly arranged on the clamping plate (56) is inserted into a plug groove in the side wall of the connecting plate (57), the plug rod and the plug groove are arranged as the same even number, and the plug rod and the plug groove are uniformly distributed around the bolt.

7. The visualized sensory teaching aid of claim 4, wherein, The second supporting mechanism (6) comprises a connecting rod set, a second sleeve (65), a first clamping plate (61) and a second clamping plate (62), the second sleeve (65) is fixedly arranged at one end of the connecting rod set, the second sleeve (65) is sleeved on the vertical rod (51), and the first clamping plate (61) and the second clamping plate (62) are sleeved on the other end of the connecting rod set through a bolt.

8. The visualized sensory teaching aid of claim 7, wherein, The connecting rod set comprises a first connecting rod (63), a second connecting rod (64) and a third connecting rod (66), the second connecting rod (64) is made of aluminum material, and the first connecting rod (63) and the third connecting rod (66) are fixedly arranged at two ends of the second connecting rod (64) respectively, and the third connecting rod (66) is connected with the second sleeve (65).

9. The visualized sensory teaching aid of claim 7, wherein, A pressing bolt is threadedly and penetratingly arranged on the side wall of the first sleeve (58) and the second sleeve (65), the end of the pressing bolt at the second sleeve (65) is in contact with the vertical rod (51), the first sleeve (58) is sleeved on the end column (12) at the end of the hand mold (1), and the end of the pressing bolt at the first sleeve (58) is in contact with the end column (12).

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