A Bluetooth communication device for lower limb walking aids

Abstract

A Bluetooth communication device for lower limb walking aids belongs to the field of electronics industry. The utility model is composed of a Bluetooth module circuit, a voice module circuit, a gyroscope module circuit and a motor interface module circuit. One end of the Bluetooth module is connected to the serial port 1 of the MCU for wireless communication; one end of the voice module is connected to the data line of the MCU for controlling voice broadcasting; one end of the gyroscope module is connected to the IIc communication line of the MCU for posture monitoring; one end of the motor interface is connected to the serial port 2 and serial port 3 of the MCU, and the other end is connected to the left motor and the right motor for power output. Its advantages are: 1. Through Bluetooth communication, the interference of the environment on the sensor is reduced and the system stability is improved. 2. The Bluetooth of the 2.4Ghz frequency band is adopted, which has strong anti-interference ability. 3. The connectivity is strong, and the transmission process algorithm can be formulated in a one-to-many connection situation and the security can be guaranteed. 4. Low power consumption, no power consumption. 5. The circuit is simple, scalable, portable and low cost.

Description

Technical Field

[0001] The utility model belongs to the electronics industry, and in particular relates to a Bluetooth communication device for lower limb walking aid equipment. Background Art

[0002] The exoskeleton lower limb training system is a wearable system used to support medical equipment. In this system, the main device is the exoskeleton lower limb trainer. In order for the main device to drive people with lower limb disability to move, the exoskeleton lower limb training system is needed to provide power to the left and right lower limb joints of the human body. The exoskeleton lower limb training system can achieve the most powerful lower limb power operation manually or through WeChat applet. Usually, a set of exoskeleton lower limb training includes a power assist device, which means that a power assist device controls the left and right lower limbs separately. The purpose of this design is to increase the flexibility and adaptability of the system, so that medical equipment can reach the required position quickly and accurately, and improve work efficiency.

[0003] The disadvantage of the prior art is that a hand controller is used for communication, the hand controller has poor portability, a limited transmission distance, and is inconvenient for connecting multiple devices. Summary of the invention

[0004] The purpose of the utility model is to upgrade the existing power-assisting device without making major changes to the existing system, so as to achieve the purpose of stably realizing power-assisting.

[0005] The technical solution of the utility model is that the device as a whole is composed of a Bluetooth module circuit, a voice module circuit, a gyroscope module circuit and a motor interface module circuit.

[0006] One end of the Bluetooth module is connected to the serial port 1 of the MCU for wireless communication; one end of the voice module is connected to the data line of the MCU for controlling voice broadcast; one end of the gyroscope module is connected to the IIc communication line of the MCU for posture monitoring; one end of the motor interface is connected to the serial port 2 and serial port 3 of the MCU, and the other end is connected to the left motor and the right motor for power output.

[0007] Beneficial effects of the utility model:

[0008] 1. Through Bluetooth communication, the interference of the environment on the sensor is reduced and the system stability is improved;

[0009] 2. Good anti-interference performance, using 2.4Ghz frequency band Bluetooth, with strong anti-interference ability, able to maintain stable communication connection in complex environments;

[0010] 3. Strong connectivity, the transmission process algorithm can be formulated and security can be guaranteed in one-to-many connection situations;

[0011] 4. Low power consumption. The Bluetooth module is small in size and low in power consumption, and can be integrated with various devices without consuming electricity;

[0012] 5. Simple circuit, scalability, strong portability and low cost; BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a connection relationship block diagram of the utility model.

[0014] Figure 2 This is a circuit connection diagram of the Bluetooth module of the present utility model.

[0015] Figure 3 This is a circuit connection diagram of the voice module of the utility model.

[0016] Figure 4 This is a circuit connection diagram of the gyroscope module of the present utility model.

[0017] Figure 5 This is the circuit connection diagram of the motor interface module of the utility model. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the present invention and make the above-mentioned purposes, features and advantages more obvious and understandable, the present invention is further described in detail below in conjunction with embodiments.

[0019] The technical solution of the utility model is composed of a Bluetooth module circuit, a voice module circuit, a gyroscope module circuit and a motor interface module circuit.

[0020] like Figure 1 As shown, one end of the Bluetooth module is connected to the serial port 1 of the MCU for wireless communication; one end of the voice module is connected to the data line of the MCU for controlling voice broadcast; one end of the gyroscope module is connected to the IIc communication line of the MCU for posture monitoring; one end of the motor interface is connected to the serial port 2 and serial port 3 of the MCU, and the other end is connected to the left motor and the right motor for power output.

[0021] Bluetooth module: such as Figure 2 As shown, a 2.4Ghz Bluetooth module is used, and a serial port is connected to the MCU for data transmission and software debugging.

[0022] Voice module circuit: Figure 3 As shown, the voice chip outputs voice, the MCU outputs the sound through communication with the Bluetooth module, and then the sound is amplified by the amplifier.

[0023] Gyroscope module circuit: Figure 4 As shown, the gyroscope sensor measures the angle and then transmits it back to the MCU mainboard motor interface module circuit.

[0024] The two motors communicate with the motor driver board respectively, such as Figure 5 shown.

Claims

1. A Bluetooth communication device for lower limb walking aids, consisting of a Bluetooth module circuit, a voice module circuit, a gyroscope module circuit and a motor interface module circuit, characterized in that: One end of the Bluetooth module is connected to the serial port 1 of the MCU for wireless communication; one end of the voice module is connected to the data line of the MCU for controlling voice broadcast; one end of the gyroscope module is connected to the IIc communication line of the MCU for posture monitoring; one end of the motor interface is connected to the serial port 2 and serial port 3 of the MCU, and the other end is connected to the left motor and the right motor for power output.

2. A Bluetooth communication device for lower limb walking aid according to claim 1, characterized in that: The Bluetooth module uses a 2.4Ghz frequency band Bluetooth module.

3. A Bluetooth communication device for lower limb walking aid according to claim 1, characterized in that: The MCU outputs the sound by communicating with the Bluetooth module, and then the sound is amplified by the amplifier.

4. A Bluetooth communication device for lower limb walking aid according to claim 1, characterized in that: The gyroscope sensor measures the angle and transmits it back to the MCU mainboard motor interface module circuit.

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