阅读说明：本技术 一种人体运动信息采集系统 (Human motion information acquisition system ) 是由 彭福来 李卫民 王海滨 王星博 许红培 于 2020-07-03 设计创作，主要内容包括：本发明涉及一种人体运动信息采集系统,包括传感器模组阵列,用于采集用户手臂的表面肌电信号和用户手臂肌肉运动的加速度信号；信号处理模块,与传感器模组阵列连接,用于对表面肌电信号进行滤除噪声和干扰；A/D转换器,与信号处理模块连接,用于将滤除噪声和干扰后的表面肌电信号转换成数字信号；无线传输模块,与传感器模组阵列和A/D转换器连接,用于接收加速度信号和数字信号；上位机,与无线传输模块连接,用于接收加速度信号和数字信号。本发明公开的人体运动信息采集系统,不仅能够采集人体运动时产生的表面肌电信号,还能采集人体运动时肌肉的加速度信号,能够多方位采集人体运动信息。(The invention relates to a human motion information acquisition system, which comprises a sensor module array, a data acquisition module and a data processing module, wherein the sensor module array is used for acquiring surface electromyographic signals of user arms and acceleration signals of muscle motions of the user arms; the signal processing module is connected with the sensor module array and used for filtering noise and interference of the surface myoelectric signals; the A/D converter is connected with the signal processing module and used for converting the surface electromyographic signals subjected to noise and interference filtering into digital signals; the wireless transmission module is connected with the sensor module array and the A/D converter and used for receiving the acceleration signal and the digital signal; and the upper computer is connected with the wireless transmission module and is used for receiving the acceleration signal and the digital signal. The human motion information acquisition system disclosed by the invention can not only acquire surface myoelectric signals generated during human motion, but also acquire muscle acceleration signals during human motion, and can acquire human motion information in multiple directions.)

1. A human motion information acquisition system, comprising:

the sensor module array is used for acquiring surface electromyographic signals of the arms of the user and acceleration signals of muscle movement of the arms of the user;

the signal processing module is connected with the sensor module array and used for filtering noise and interference of the surface electromyographic signals;

the A/D converter is connected with the signal processing module and is used for converting the surface electromyographic signals subjected to noise and interference filtering into digital signals;

the wireless transmission module is connected with the sensor module array and the A/D converter and used for receiving the acceleration signal and the digital signal;

and the upper computer is connected with the wireless transmission module and is used for receiving the acceleration signal and the digital signal.

2. The human motion information acquisition system according to claim 1, wherein the sensor module array includes at least two sensor modules, each of the sensor modules being provided with:

the myoelectric electrode is used for collecting surface myoelectric signals of the arm of the user;

the preamplifier is connected with the electromyographic electrode and the signal processing module and used for amplifying the surface electromyographic signal and sending the amplified surface electromyographic signal to the signal processing module;

and the acceleration sensor is connected with the wireless transmission module and used for acquiring an acceleration signal of the muscle movement of the arm of the user and sending the acceleration signal to the wireless transmission module.

3. The human motion information acquisition system according to claim 2, wherein each sensor module is further provided with a circuit board, and the myoelectric electrode, the preamplifier and the acceleration sensor are all arranged on the circuit board.

4. The human motion information acquisition system according to claim 3, wherein the circular disk of the myoelectric electrode is designed in a manner of plating a gold layer on a nickel layer, and the circular disk is connected with the preamplifier through a via hole of the circuit board.

5. The system according to claim 3, wherein the preamplifier is connected to the signal processing module via a wire, and the acceleration sensor is connected to the wireless transmission module via a wire.

6. The human motion information acquisition system according to claim 3, wherein the myoelectric electrodes are designed in a dry electrode manner, and the number of the myoelectric electrodes is two.

7. The system of claim 2, further comprising a strap that is strapped to the arm of the user; the sensor module array, the signal processing module, the A/D converter and the wireless transmission module are all arranged on the belt;

each myoelectric electrode is arranged on one side of the bridle, which is contacted with the skin of the arm of the user, and each preamplifier and each acceleration sensor are arranged on one side of the bridle, which is not contacted with the skin of the arm of the user.

8. The system for collecting body motion information according to claim 7, wherein each of the sensor modules is arranged in an array on the strap.

9. The system for collecting human motion information of claim 1, wherein the wireless transmission module uses bluetooth for wireless transmission.

10. The system for collecting human motion information of claim 1, further comprising a power module for supplying power to the information collecting system.

Technical Field

The invention relates to the technical field of information acquisition, in particular to a human motion information acquisition system.

Background

The surface electromyographic signals are bioelectric signals generated on the surface of the skin in the process of human body movement, and can reflect the activity condition of muscles to a certain extent. The information such as human body movement intention can be identified by processing and analyzing the surface myoelectric signals.

The surface electromyogram signal has wide application prospects in human-computer interfaces, medical rehabilitation and game entertainment, but with continuous complication and refinement of the applications, the motion information analysis by simply acquiring the surface electromyogram signal cannot meet specific application requirements.

Disclosure of Invention

The invention aims to provide a human motion information acquisition system which can acquire human motion information in multiple directions without simply acquiring surface electromyographic signals during human motion.

In order to achieve the purpose, the invention provides the following scheme:

a human motion information acquisition system comprising:

the sensor module array is used for acquiring surface electromyographic signals of the arms of the user and acceleration signals of muscle movement of the arms of the user;

the signal processing module is connected with the sensor module array and used for filtering noise and interference of the surface electromyographic signals;

the A/D converter is connected with the signal processing module and is used for converting the surface electromyographic signals subjected to noise and interference filtering into digital signals;

the wireless transmission module is connected with the sensor module array and the A/D converter and used for receiving the acceleration signal and the digital signal;

and the upper computer is connected with the wireless transmission module and is used for receiving the acceleration signal and the digital signal.

Optionally, the sensor module array includes two at least sensor modules, each the sensor module all is provided with:

the myoelectric electrode is used for collecting surface myoelectric signals of the arm of the user;

the preamplifier is connected with the electromyographic electrode and the signal processing module and used for amplifying the surface electromyographic signal and sending the amplified surface electromyographic signal to the signal processing module;

and the acceleration sensor is connected with the wireless transmission module and used for acquiring an acceleration signal of the muscle movement of the arm of the user and sending the acceleration signal to the wireless transmission module.

Optionally, each sensor module is further provided with a circuit board, and the myoelectric electrode, the preamplifier and the acceleration sensor are all arranged on the circuit board.

Optionally, the circular disc of the myoelectric electrode is designed in a manner of plating a gold layer on a nickel layer, and the circular disc is connected with the preamplifier through the via hole of the circuit board.

Optionally, the preamplifier is connected to the signal processing module through a wire, and the acceleration sensor is connected to the wireless transmission module through a wire.

Optionally, the myoelectric electrodes are designed in a dry electrode mode, and the number of the myoelectric electrodes is two.

Optionally, the information acquisition system further comprises a belt, the belt being tied to the arm of the user; the sensor module array, the signal processing module, the A/D converter and the wireless transmission module are all arranged on the belt;

each myoelectric electrode is arranged on one side of the bridle, which is contacted with the skin of the arm of the user, and each preamplifier and each acceleration sensor are arranged on one side of the bridle, which is not contacted with the skin of the arm of the user.

Optionally, each of the sensor modules is arranged in an array on the belt.

Optionally, the wireless transmission module performs wireless transmission by using bluetooth.

Optionally, the information acquisition system further comprises a power module, the power module is used for supplying power to the information acquisition system, and according to the specific embodiment provided by the invention, the invention discloses the following technical effects:

the invention discloses a human motion information acquisition system, which comprises a sensor module array, a data acquisition module and a data processing module, wherein the sensor module array is used for acquiring surface electromyographic signals of user arms and acceleration signals of muscle motions of the user arms; the signal processing module is connected with the sensor module array and used for filtering noise and interference of the surface myoelectric signals; the A/D converter is connected with the signal processing module and used for converting the surface electromyographic signals subjected to noise and interference filtering into digital signals; the wireless transmission module is connected with the sensor module array and the A/D converter and used for receiving the acceleration signal and the digital signal; and the upper computer is connected with the wireless transmission module and is used for receiving the acceleration signal and the digital signal. The human motion information acquisition system disclosed by the invention can not only acquire surface myoelectric signals generated during human motion, but also acquire muscle acceleration signals during human motion, and can acquire human motion information in multiple directions.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

Fig. 1 is a structural diagram of a human motion information acquisition system according to an embodiment of the present invention;

FIG. 2 is a block diagram of a sensor module according to an embodiment of the present invention;

FIG. 3 is a structural diagram of a myoelectric electrode according to an embodiment of the present invention;

fig. 4 is a schematic installation diagram of a human motion information acquisition system according to an embodiment of the present invention.

Description of the symbols: the system comprises a sensor module 1, a myoelectric electrode 2, a preamplifier 3, an acceleration sensor 4, a circuit board 5 and a lead 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention aims to provide a human motion information acquisition system which can acquire human motion information in multiple directions without simply acquiring surface electromyographic signals during human motion.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Fig. 1 is a structural diagram of a human motion information acquisition system according to an embodiment of the present invention. As shown in fig. 1, the system includes a sensor module array, a signal processing module, an a/D converter, a wireless transmission module, and an upper computer. The sensor module array is connected with the signal processing module and the wireless transmission module, the signal processing module is connected with the A/D converter, the A/D converter is connected with the wireless transmission module, and the wireless transmission module is further connected with the upper computer. The sensor module array is used for collecting surface electromyographic signals of user arms and acceleration signals of muscle movement of the user arms, the signal processing module is used for filtering noise and interference on the surface electromyographic signals, the A/D converter is used for converting the surface electromyographic signals subjected to noise and interference filtering into digital signals, the wireless transmission module is used for receiving the acceleration signals and the digital signals, and the upper computer is used for receiving the acceleration signals and the digital signals transmitted by the wireless transmission module. In this embodiment, the wireless transmission module uses bluetooth for wireless transmission.

In this embodiment, the sensor module array includes at least two sensor modules. Fig. 2 is a structural diagram of a sensor module according to an embodiment of the present invention, and as shown in fig. 2, the sensor module 1 is provided with a myoelectric electrode 2, a preamplifier 3, an acceleration sensor 4, a circuit board 5, and a lead 6. The myoelectric electrode 2, the preamplifier 3 and the acceleration sensor 4 are all arranged on the circuit board 5. The myoelectric electrode 2 is used for collecting surface myoelectric signals of the arm of the user. The preamplifier 3 is connected with the myoelectric electrode 2 and the signal processing module, and the preamplifier 3 is used for amplifying the surface myoelectric signal and sending the amplified surface myoelectric signal to the signal processing module. The acceleration sensor 4 is connected with the wireless transmission module and used for collecting acceleration signals of muscle movement of the arm of the user and sending the collected acceleration signals to the wireless transmission module. In the present embodiment, the preamplifier 3 is connected to the signal processing module through a wire 6, and the acceleration sensor 4 is connected to the wireless transmission module through a wire 6.

Fig. 3 is a structural diagram of a myoelectric electrode according to an embodiment of the present invention, and as shown in fig. 3, the number of the myoelectric electrodes 2 is two. In the embodiment, the myoelectric electrode 2 is designed in the form of a dry electrode, the disc thereof is designed in the form of a gold-plated layer on a nickel layer, and the disc is connected with the preamplifier 3 through a via hole of the circuit board 5.

Fig. 4 is an installation schematic diagram of a human motion information acquisition system according to an embodiment of the present invention, and as shown in fig. 4, the system further includes a power module and a strap. Wherein the power module is used for supplying power to the whole system, and the bridle is tied on the arm of a user. The sensor module array, the signal processing module, the A/D converter and the wireless transmission module are all arranged on the belt. The myoelectric electrodes 2 are arranged on one side of the belt, which is contacted with the skin of the arm of the user, and the preamplifier 3 and the acceleration sensor 4 are arranged on one side of the belt, which is not contacted with the skin of the arm of the user. In this embodiment, the sensor modules may be arranged in an array on the belt.

According to the specific embodiment provided by the invention, the invention discloses the following technical effects:

the invention discloses a human motion information acquisition system which can not only acquire surface myoelectric signals generated during human motion, but also acquire muscle acceleration signals during human motion, and can acquire human motion information in multiple directions.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to assist in understanding the core concepts of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.