CN103830885A - Portable action command control device and method based on vital sign signals - Google Patents

Abstract

The invention discloses a portable action command control device and method based on vital sign signals. The portable action command control device based on the vital sign signals comprises a vital sign signal acquisition module, an input signal conversion module, a processor, a data storage module, a display module, an output signal conversion module, a command control module, a signal output module and a command voice output module, wherein after biological signals are acquired by the vital sign signal acquisition module, the biological signals enter the processor through the input signal conversion module, the processor is electrically connected with the data storage module and the display module, the signals pass through the output signal conversion module and the command control module after being extracted by the processor and then are output to the command voice output module through the signal output module, and then a voice command is sent out. By the adoption of the portable action command control device and method based on the vital sign signals, real-time vital sign data can be provided for patients or healthy people, so that the patients or healthy people can be guided on the aspect of health care and exercise, and the action intensity and frequency can be adjusted in time.

Description

Portable action command control device and method based on vital sign signal

technical field

The invention belongs to the field of experimental sports health care equipment, and in particular relates to a portable action command control device and method based on vital sign signals.

Background technique

Heart rate and breathing are the basic vital signs of the human body, and have important monitoring value in sports and health rehabilitation. Existing monitoring devices are built on sensor-based applications.

In modern automation equipment, the wide application of various sensors enables people to monitor and control various parameters of equipment work, and adjust them in real time. It is also widely used in the field of sports and health care.

The following types are widely used in medical institutions: 1. ECG monitor is a non-invasive monitoring method that continuously observes and monitors the electrical activity of the heart through the display screen, and can monitor the electrical activity of the heart for a long period of time. 2. Ordinary electrocardiogram machine, to observe the real-time electrocardiographic activity of the tracing electrocardiogram. Both of the above two need to be monitored in a static bed. The accuracy is high and the instrument is large, which is suitable for hospital use. 3. The wireless ECG monitor is a combination of ECG monitoring technology and mobile computing technology. It can measure, monitor and record the user's ECG data. It is portable, easy to use, and accurate in results. It can monitor ECG when going out. Data logging, data can be stored or sent to other terminal devices.

The above-mentioned several common ECG monitoring devices, as a monitoring method, cannot guide users to make behavior adjustments in real time according to the data results. Small size, easy to carry, real-time detection, timely feedback, and good information transmission and sharing performance are the future development directions of vital sign detection.

In terms of disease prevention and health care, rehabilitation health care and physical exercise play an extremely important role. Studies have shown that appropriate functional exercise can adjust the body's metabolic function, improve cardiopulmonary function, improve body coordination, improve blood circulation, and relieve adverse emotional reactions. Improve the body's immunity and reduce the number of attacks. However, in reality, individual cardiopulmonary function and exercise capacity are not the same, and there has been a lack of effective and objective basis for the appropriate intensity of exercise and the correct specification of movements. Therefore, the cardiopulmonary parameter detection device that can be worn in daily activities can be used as a guide Patients or healthy people provide real-time cardiopulmonary function data in health care exercises, and after processing according to the collected vital sign parameters, they can adjust the intensity and frequency of movements in real time, which has great practical significance in rehabilitation and sports health care.

Contents of the invention

One of the technical problems to be solved by the present invention is to provide a portable action command control device based on vital sign signals. According to the vital sign signal, it guides the user to adjust the behavior in real time. It is small in size, easy to carry, real-time detection, timely feedback, and has good information transmission and sharing performance.

The second technical problem to be solved by the present invention is to provide a portable motion command control method based on vital sign signals.

In order to solve the problems of the technologies described above, the present invention adopts the following technical solutions:

In one aspect of the present invention, a portable action instruction control device based on vital sign data collection is provided, including: a vital sign signal collection module, an input signal conversion module, a processor, a data storage module, a display module, an output signal conversion module, Instruction control module, signal output module and instruction voice output module; after the biological signal collected by the vital sign signal acquisition module, enters the processor through the input signal conversion module; the processor is connected with the data storage module and the display module, and the data storage module The display module is used to save data, and the display module is used to display the results; after the signal is extracted by the processor, it passes through the output signal conversion module and then the command control module, and then the signal output module outputs to the command voice output module to issue voice commands.

As a preferred technical solution, the vital sign signal acquisition module includes a heart rate (HR) signal acquisition module and a respiratory rate (RR) signal acquisition module; Set sensitive parameter values, the sound-sensitive sensor is placed at the apical beat or the strongest heart sound, that is, outside the fifth intercostal space clavicular midline; the respiratory frequency signal acquisition module uses a pressure-sensitive sensor, and the pressure-sensitive sensor is placed on the In the elastic fixation belt, it is located on the midaxillary line of the fifth intercostal space. Preferably, the pressure sensitive sensor is a resistive pressure sensitive sensor.

As a preferred technical solution, the device also includes: a signal front-end processing module and a signal back-end processing module; the signal front-end processing module is used to receive the biological signal collected by the vital sign signal acquisition module and transmit it to the The input signal conversion module; the signal front-end processing module includes a signal amplification circuit; the signal back-end processing module is used to receive the signal of the command control module and convert the command signal into a wireless signal and transmit it to the signal output module.

As a preferred technical solution, the processor completes data parameter extraction and data transmission, analyzes according to heart rate HR and respiratory rate RR data, completes the proposal and classification of exercise intensity features, and sends a signal to the command control module according to the results; When the rhythm changes (such as arrhythmia), it will record and issue prompt instructions.

As a preferred technical solution, the data storage module can be stored using a general-purpose Micro SD card. The display module may be a liquid crystal display, and the display content includes: the display screen adopts a general-purpose liquid crystal display, and the display results include heart rate HR (unit: times/min), respiratory rate RR (unit: times/min), vital sign intensity : High Strength, Medium Strength, Normal Strength, Low Strength.

As a preferred technical solution, the command control module adjusts the voice frequency and playback speed of the preset action command according to the signal command transmitted by the processor.

As a preferred technical solution, the signal output module may be a wired earphone or a wireless bluetooth earphone.

In another aspect of the present invention, a portable motion command control method based on vital sign signals is provided, comprising the steps of:

(1) Collect the respiratory frequency signal through the respiratory frequency signal acquisition module, and collect the heart rate signal through the heart rate signal acquisition module;

(2) The above-mentioned signal is converted into a digital signal and then enters the processor for analysis based on heart rate and respiratory rate data to complete the extraction and classification of exercise intensity features, and the analyzed data is stored through the data storage module and displayed through the display module;

(3) After the signal is extracted by the processor, it sends a signal to the command control module according to the result, and adjusts the voice frequency and playback speed of the preset action command;

(4) Then the command signal is output from the signal output module to the command voice output module to issue a voice command.

As a preferred technical solution, in step (2), the analysis based on heart rate and respiratory rate data to complete the extraction and classification of exercise intensity features specifically includes: establishing the relationship between the vital sign level signal and the action command mode, and processing according to the calculation result: If the heart rate is greater than 120 beats/min, enter the high-intensity mode; if the heart rate is 100 beats/min-120 beats/min, enter the medium-intensity mode; if the heart rate is 70 beats/min-100 beats/min, enter the normal-intensity mode; if the heart rate is 70 beats/min-60 beats/min /min enters the low-intensity mode, and the heart rate is less than 60 beats/min to give the warning sign mode.

Compared with the prior art, the beneficial effect of the present invention is that: the present invention can guide the user to adjust the behavior according to the vital sign signal in real time, and the present invention is small in size, easy to carry, real-time detection, timely feedback, and has good performance of information transmission and sharing. The present invention is applied in sports health care and physical exercise as an auxiliary device for sports, a cardiopulmonary parameter detection device that can be worn in daily activities, and can provide immediate cardiopulmonary function data for guiding patients or healthy people in health care and exercise, and according to the collected life After the physical sign parameters are processed, the action intensity and frequency can be adjusted immediately, which has great practical significance in rehabilitation and sports health care.

Description of drawings

Fig. 1 is a working principle diagram of the device of the present invention.

Fig. 2 is a schematic structural frame diagram of the hardware system of the device of the present invention.

Fig. 3 is a program flow chart of the main processor of the present invention.

Fig. 4 is a schematic diagram of the structure of the device in use according to the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

1. The working principle structure frame diagram of the device of the present invention is shown in Fig. 1 . It includes: the vital signs information collection module (mainly the collection of heart rate and respiratory frequency, the collection of respiratory frequency is obtained through the collection of respiratory signals, and then the chest expansion activity is obtained, and then the respiratory frequency is obtained; the collection of heart rate is collected through the collection of heart sound signals, and then the first Heart sound S1, and then get heart rate), feature analysis of vital sign information, data storage and display, classification of exercise pattern intensity, adjustment of action command frequency, wired and discovery output, and voice broadcast of action commands. The characteristics of the classification of motion patterns defined based on the vital sign signal, and the adjustment range of the frequency of action commands based on the strength of the motion pattern.

2. The structural framework of the hardware system of the device of the present invention is shown in FIG. 2 . The heart sound signal is collected from the sound sensitive sensor of the human body, and the respiratory signal is collected by the piezoresistive sensor through the change of the thoracic expansion circumference caused by the respiratory movement, and the detection front-end performs pre-processing on the signal (the signal front-end processing module is used to receive the vital signs) The biological signal collected by the signal acquisition module is processed and then transmitted to the input signal conversion module), including signal amplification and filtering processing, and the signal of a specific frequency range and amplitude value is screened out, and passed through the converter (that is, the input signal in Figure 2 The conversion module, that is, the A/D conversion module), converts the analog signal into a digital signal and sends it to the processor. The processor completes the analysis of heart rate and respiratory rate, grades the intensity pattern of vital sign signals, and performs data storage (data storage module in Figure 2) and display (display module in Figure 2), and sends command control signals through the output The signal conversion module (that is, the D/A conversion module) converts the digital signal into an analog signal, and then controls the frequency of the action command through the command control module. The command is completed through the signal wireless output module or through the signal output module (that is, wired output). , the action command is broadcast through the command voice output module, which can be completed by an ordinary Bluetooth headset. It may also include a signal back-end processing module, which is used to receive the signal from the instruction control module, convert the instruction signal into a wireless signal, and transmit it to the signal output module. The specific types of the above modules are not limited.

3. See Figure 3 for the working process of the processor. Including: information collection of heart rate (HR) and respiratory rate (RR), HR adopts acoustic sensor to monitor the first heart sound S1 feature to obtain heart rate signal; RR uses pressure sensitive sensor to detect thoracic circumference change characteristics to obtain RR signal; obtain vital signs Intensity level signal; establish the relationship between the vital sign level signal and the action command mode; process according to the calculation results: the heart rate is greater than 120 beats/min and above enters the high-intensity mode, the heart rate is 100 beats/min-120 beats/min enters the medium-intensity mode, and the heart rate is 70 beats/min /min～100 beats/min to enter normal intensity mode, heart rate 70 beats/min～60 beats/min to enter low intensity mode, heart rate less than 60 beats/min to give warning sign mode; then adjust the voice frequency and speed of action commands.

4. The heart rate (HR) signal acquisition module uses a sound-sensitive sensor, and sets sensitive parameter values according to the frequency change of the first heart sound. Place it at the apical beat or the strongest heart sound, that is, outside the midclavicular line of the fifth intercostal space. The respiratory rate (RR) signal acquisition module adopts a piezoresistive sensor (that is, a pressure-sensitive sensor), and the specific type is resistive. Placed in an elastic strap around the chest, at the midaxillary line in the fifth intercostal space. The specific amplification circuit, power frequency notch filter, feedback circuit and connection mode are not specifically limited.

5. The data storage module adopts the commonly used memory storage Micro SD card, which has the advantages of small size, large capacity, fast data transmission, hot swap support, flexibility, versatility and security. The display module adopts a general-purpose LCD display, and the display results include heart rate HR (unit: times/min), respiratory rate RR (unit: times/min), vital signs intensity: high intensity (heart rate greater than 120 times/min), medium Intensity (heart rate 100 beats/min to 120 beats/min), normal intensity (heart rate 70 beats/min to 100 beats/min), low intensity (heart rate 70 beats/min to 60 beats/min), warning signs (heart rate less than 60 times/min).

6. The wearing and using structure of the device of the present invention is shown in FIG. 4 . When the device is worn, it is located at the level of the fifth intercostal space (i.e., the apex of the heart), the device is located at the apical beat, and the breathing sensor (i.e., the piezoresistive sensor) is located at the level of the fifth intercostal space and the midaxillary line, where the movement of the thoracic cage with respiratory expansion is more obvious . The device of the present invention adopts two fixing belts, a horizontal fixing belt and a vertical fixing belt, to be fixed on the human body, and there is a longitudinal fixing belt at the midline of the left clavicle of the human body to prevent the horizontal fixing belt from slipping off.

Claims (10)

1. A portable action command control device based on vital sign signals, characterized in that it includes: vital sign signal acquisition module, input signal conversion module, processor, data storage module, display module, output signal conversion module, command control module , a signal output module and an instruction voice output module; the biological signal collected by the vital sign signal acquisition module enters the processor through the input signal conversion module; the processor is connected with the data storage module and the display module, and the data storage module is used to save The data and the display module are used to display the results; after the signal is extracted by the processor, it passes through the output signal conversion module and then the command control module, and then the signal output module outputs to the command voice output module to issue voice commands. 2. The device according to claim 1, wherein the vital sign signal acquisition module comprises a heart rate signal acquisition module and a respiratory frequency signal acquisition module; the heart rate signal acquisition module adopts a sound-sensitive sensor, according to the first heart sound The frequency change of the frequency changes to set the sensitive parameter value, and the sound-sensitive sensor is placed at the apical beat or the strongest heart sound, that is, outside the fifth intercostal space clavicular midline; the respiratory frequency signal acquisition module uses a pressure-sensitive sensor, and the pressure-sensitive sensor is placed at the In the elastic fixation belt around the chest, it is located at the midaxillary line in the fifth intercostal space. 3. The device according to claim 2, wherein the pressure sensitive sensor is a resistive pressure sensitive sensor. 4. The device according to claim 1, wherein the device further comprises: a signal front-end processing module and a signal back-end processing module; the signal front-end processing module is used to receive the biological data collected by the vital sign signal collection module. The signal is processed and then transmitted to the input signal conversion module; the signal front-end processing module includes a signal amplification circuit; the signal back-end processing module is used to receive the signal of the command control module and convert the command signal into a wireless signal before transmitting to the Signal output module. 5. The device according to claim 1, wherein the processor completes data parameter extraction and data transmission, analyzes according to heart rate and respiratory rate data, completes the extraction and classification of exercise intensity features, and sends a signal to command control module. 6. The device according to claim 1, wherein the command control module adjusts the voice frequency and playback speed of the preset action command according to the signal command transmitted by the processor. 7. The device according to claim 1, wherein the data storage module adopts a Micro SD card; the display module adopts a liquid crystal display, and the display content includes: heart rate HR, respiratory rate RR, vital signs intensity: high Intensity, Medium Intensity, Normal Intensity, Low Intensity. 8. The device according to claim 1, wherein the signal output module adopts a wired earphone or a wireless bluetooth earphone. 9. A portable action instruction control method based on vital sign signals, characterized in that it comprises the following steps: (1) collect a respiratory frequency signal through a respiratory frequency signal acquisition module, and collect a heart rate signal through a heart rate signal acquisition module; (2) the above After the signal is converted into a digital signal, it enters the processor and is analyzed according to the heart rate and respiratory rate data to complete the extraction and classification of exercise intensity features. The analyzed data is stored by the data storage module and displayed by the display module; (3) The signal is processed After extraction, the device sends a signal to the command control module according to the result, and adjusts the voice frequency and playback speed of the preset action command; (4) Then the command signal is output from the signal output module to the command voice output module to issue a voice command. 10. The method according to claim 8, characterized in that, in step (2), the analysis based on heart rate and respiratory frequency data to complete the extraction and classification of exercise intensity features is specifically: establishing vital sign level signals and actions The command mode relationship is processed according to the calculation results: if the heart rate is greater than 120 beats/min, enter the high-intensity mode; if the heart rate is 100 beats/min-120 beats/min, enter the medium-intensity mode; if the heart rate is 70 beats/min-100 beats/min, enter the normal-intensity mode , the heart rate is 70 beats/min to 60 beats/min to enter the low-intensity mode, and the heart rate is less than 60 beats/min to give the warning sign mode.

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