阅读说明：本技术 脑控打印系统 (Brain-controlled printing system ) 是由 谢卫 于 2020-12-16 设计创作，主要内容包括：本发明涉及一种脑控打印系统,包括信号采集模块、信号处理模块和3D打印模块；信号采集模块包括脑电电极端口、放大器、A/D转换器和第一蓝牙单元,脑电电极端口与放大器连接,放大器与A/D转换器连接,A/D转换器与第一蓝牙单元连接；信号处理模块包括第二蓝牙单元、处理单元和信号输出单元,第二蓝牙单元与第一蓝牙单元无线连接,第二蓝牙单元与处理单元连接,处理单元与信号输出单元连接,信号输出单元还与3D打印模块连接。相对现有技术,本发明能将脑部活动的想象力转化为3D打印实物,便于用户创作出与现实强关联、富有创意的3D打印物,提升创作便利性和效率。(The invention relates to a brain-controlled printing system, which comprises a signal acquisition module, a signal processing module and a 3D printing module; the signal acquisition module comprises an electroencephalogram electrode port, an amplifier, an A/D converter and a first Bluetooth unit, the electroencephalogram electrode port is connected with the amplifier, the amplifier is connected with the A/D converter, and the A/D converter is connected with the first Bluetooth unit; the signal processing module comprises a second Bluetooth unit, a processing unit and a signal output unit, the second Bluetooth unit is in wireless connection with the first Bluetooth unit, the second Bluetooth unit is connected with the processing unit, the processing unit is connected with the signal output unit, and the signal output unit is further connected with the 3D printing module. Compared with the prior art, the method and the device can convert the imagination of brain activities into 3D printed objects, facilitate creation of creative 3D printed products which are strongly related to reality and are rich in originality for users, and improve creation convenience and efficiency.)

1. Brain accuse printing system, its characterized in that: the system comprises a signal acquisition module (1), a signal processing module (2) and a 3D printing module (3);

the signal acquisition module (1) comprises an electroencephalogram electrode port (1.1), an amplifier (1.2), an A/D converter (1.3) and a first Bluetooth unit (1.4), the electroencephalogram electrode port (1.1) is connected with the amplifier (1.2), the amplifier (1.2) is connected with the A/D converter (1.3), and the A/D converter (1.3) is connected with the first Bluetooth unit (1.4);

the EEG electrode port (1.1) collects signals of a human brain, generates an EEG signal and transmits the EEG signal to the amplifier (1.2), the amplifier (1.2) amplifies the EEG signal, and the EEG signal after signal amplification is transmitted to the signal processing module (2) through the first Bluetooth unit (1.4);

the signal processing module (2) comprises a second Bluetooth unit (2.1), a processing unit (2.2) and a signal output unit (2.3), the second Bluetooth unit (2.1) is in wireless connection with the first Bluetooth unit (1.4), the second Bluetooth unit (2.1) is connected with the processing unit (2.2), the processing unit (2.2) is connected with the signal output unit (2.3), and the signal output unit (2.3) is also connected with the 3D printing module (3);

the second Bluetooth unit (2.1) receives the EEG signal and transmits the EEG signal to the processing unit (2.2), the processing unit (2.2) performs modeling according to the EEG signal, generates a model signal and transmits the model signal to the 3D printing module (3); and the 3D printing module (3) performs 3D printing forming according to the model signal.

2. The brain-controlled printing system according to claim 1, wherein: the processing unit (2.2) preprocesses the EEG signal, and CSP feature extraction is carried out on the preprocessed EEG signal to generate feature information; and the characteristic information is introduced into a BP neural network classifier to be converted into a control signal, modeling is carried out according to the control signal, and a model signal is generated and transmitted to a 3D printing module (3).

3. The brain-controlled printing system according to claim 1, wherein: the signal acquisition module (1) is arranged in the helmet and is fixedly connected with the helmet.

4. The brain-controlled printing system according to any one of claims 1 to 3, wherein: the display device also comprises a display module (4), wherein the display module (4) is connected with the signal processing module (2); the signal processing module (2) outputs a model signal to the display module (4), and the signal processing module (2) displays a model pattern according to the model signal.

Technical Field

The invention relates to the technical field of brain-computer interfaces, in particular to a brain-controlled printing system.

Background

The brain is the last black box in the field of human cognition, and particularly, thought conscious activities closely related to higher functions of the brain are core problems which need to be solved by human cognition. Acquiring electrical brain signals has been one of the important means for studying brain physiology and pathology. The electroencephalograph tester thus developed has been widely used. However, the conventional electroencephalogram reading apparatus has relied on electrodes disposed on the head in contact with the skin to obtain the epidermal potential signal at the portion where the brain is in contact with the electrodes, and then the potential signal is converted into an electric wave signal by an electronic device, and the electric wave signal is expressed as various waveform signals on an oscilloscope. In the prior art, the actual object cannot be constructed by fully utilizing imagination, so that the problems need to be solved.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, one objective of the present invention is to provide a brain-controlled printing system capable of transforming imagination of brain activities into 3D printed real objects, and improving creation convenience and efficiency.

The technical scheme for solving the technical problems is as follows: the brain-controlled printing system comprises a signal acquisition module, a signal processing module and a 3D printing module;

the signal acquisition module comprises an electroencephalogram electrode port, an amplifier, an A/D converter and a first Bluetooth unit, wherein the electroencephalogram electrode port is connected with the amplifier, the amplifier is connected with the A/D converter, and the A/D converter is connected with the first Bluetooth unit;

the EEG electrode port collects signals of a human brain, generates an EEG signal and transmits the EEG signal to the amplifier, the amplifier amplifies the EEG signal, and the EEG signal after signal amplification is transmitted to the signal processing module through the first Bluetooth unit;

the signal processing module comprises a second Bluetooth unit, a processing unit and a signal output unit, the second Bluetooth unit is wirelessly connected with the first Bluetooth unit, the second Bluetooth unit is connected with the processing unit, the processing unit is connected with the signal output unit, and the signal output unit is also connected with the 3D printing module;

the second Bluetooth unit receives the EEG signal and transmits the EEG signal to the processing unit, the processing unit carries out modeling according to the EEG signal, generates a model signal and transmits the model signal to the 3D printing module; and the 3D printing module performs 3D printing and forming according to the model signal.

On the basis of the technical scheme, the invention can be further improved as follows.

Further, the processing unit preprocesses the EEG signal, and performs CSP feature extraction on the preprocessed EEG signal to generate feature information; and importing the characteristic information into a BP neural network classifier to be converted into a control signal, modeling according to the control signal, generating a model signal and transmitting the model signal to a 3D printing module.

Furthermore, the signal acquisition module is arranged in the helmet and is fixedly connected with the helmet.

The display module is connected with the signal processing module; the signal processing module outputs a model signal to the display module, and the signal processing module displays a model pattern according to the model signal.

The invention has the beneficial effects that: can turn into 3D with the imagination of brain activity and print the material object, the user of being convenient for creatively makes with reality strong relevance, be rich in creative 3D printed matter, promotes creation convenience and efficiency.

Drawings

FIG. 1 is a block diagram of a brain-controlled printing system according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the device comprises a signal acquisition module, 1.1, an electroencephalogram electrode port, 1.2, an amplifier, 1.3, an A/D converter, 1.4 and a first Bluetooth unit;

2. the Bluetooth device comprises a signal processing module, 2.1, a second Bluetooth unit, 2.2, a processing unit, 2.3 and a signal output unit;

3. 3D printing module, 4, display module.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1, the brain-controlled printing system includes a signal acquisition module 1, a signal processing module 2 and a 3D printing module 3;

the signal acquisition module 1 comprises an electroencephalogram electrode port 1.1, an amplifier 1.2, an A/D converter 1.3 and a first Bluetooth unit 1.4, wherein the electroencephalogram electrode port 1.1 is connected with the amplifier 1.2, the amplifier 1.2 is connected with the A/D converter 1.3, and the A/D converter 1.3 is connected with the first Bluetooth unit 1.4;

the EEG electrode port 1.1 is used for collecting signals of human brain, generating EEG signals and transmitting the EEG signals to the amplifier 1.2, the amplifier 1.2 is used for amplifying the EEG signals, and the EEG signals after signal amplification are transmitted to the signal processing module 2 through the first Bluetooth unit 1.4;

the signal processing module 2 comprises a second bluetooth unit 2.1, a processing unit 2.2 and a signal output unit 2.3, the second bluetooth unit 2.1 is wirelessly connected with the first bluetooth unit 1.4, the second bluetooth unit 2.1 is connected with the processing unit 2.2, the processing unit 2.2 is connected with the signal output unit 2.3, and the signal output unit 2.3 is also connected with the 3D printing module 3;

the second bluetooth unit 2.1 receives the EEG signal and transmits the EEG signal to the processing unit 2.2, the processing unit 2.2 performs modeling according to the EEG signal, generates a model signal and transmits the model signal to the 3D printing module 3; and the 3D printing module 3 performs 3D printing and forming according to the model signal.

In the above embodiment, the processing unit 2.2 preprocesses the EEG signal, performs CSP feature extraction on the preprocessed EEG signal, and generates feature information; and importing the characteristic information into a BP neural network classifier to be converted into a control signal, modeling according to the control signal, generating a model signal and transmitting the model signal to the 3D printing module 3.

In the above embodiment, the signal acquisition module 1 is disposed in the helmet and is fixedly connected to the helmet.

In the above embodiment, the display device further includes a display module 4, and the display module 4 is connected to the signal processing module 2; the signal processing module 2 outputs a model signal to the display module 4, and the signal processing module 2 displays a model pattern according to the model signal.

In the embodiment, a signal acquisition module 1 is used for acquiring an EEG signal of a brain, the EEG signal is amplified, a signal processing module 2 is used for processing the signal, the EEG signal is converted into a model signal, and a 3D printing module 3 is controlled to perform 3D printing; can turn into 3D with the imagination of brain activity and print the material object, the user of being convenient for creatively makes with reality strong relevance, be rich in creative 3D printed matter, promotes creation convenience and efficiency.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.