Multifunctional array biological signal acquisition sensor module and control method thereof

Abstract

The present invention provides a multifunctional array-type biological signal acquisition sensor module and a control method. The sensor module includes a temperature and humidity-gyroscope composite sensor array, an ultrasonic sensor array, a photoelectric sensor array and an electromagnetic sensor array mounted on a flexible carrier. The photoelectric sensor array and the electromagnetic sensor array are arranged together around the temperature and humidity-gyroscope composite sensor array, and the ultrasonic sensor array is arranged between the electromagnetic sensor array and the temperature and humidity-gyroscope composite sensor array and arranged along the outer edge of the temperature and humidity-gyroscope composite sensor array. The present invention utilizes a multi-level sensor divided into regions, discrete, and non-uniform arrangements, as well as a time-sequenced and function-divided working mode, to improve the flexibility and functional integrity of the composite sensor module in use, optimize the data acquisition method of each type of sensor, improve the energy consumption ratio of the composite sensor module, and solve the mutual interference problem between various sensors.

Description

Technical Field

[0001] The present invention relates to the technical field of biological signal acquisition and analysis, and more specifically, to a multifunctional array biological signal acquisition sensor module and a control method thereof. Background Art

[0002] Bio-signal acquisition sensors have been widely used in the fields of medical, wearable, and scientific research. There are many types of bio-signal acquisition sensors, from traditional discrete photoelectric and electromyographic signal acquisition sensors to fabric-based flexible sensors. The development direction of sensors has been moving towards integration, comfort, and compounding.

[0003] At present, although the types and functions of sensors have developed greatly, due to the increasing diversity of sensor types and functions, there are still major bottlenecks in some aspects, such as how to make various types of sensors cooperate with each other to achieve better acquisition solutions, the mutual interference between various sensors, and the efficiency improvement and energy consumption reduction of composite sensor modules. These problems need to be solved urgently. Summary of the invention

[0004] In view of the technical problems existing in the prior art, the present invention provides a multifunctional array-type biological signal acquisition sensor module and a control method thereof, which optimizes the arrangement of different types of sensors, solves the mutual interference problem between different types of sensors, and can improve sampling efficiency and reduce energy consumption.

[0005] According to a first aspect of the present invention, a multifunctional array-type biological signal acquisition sensor module is provided, comprising a temperature and humidity-gyroscope composite sensor array, an ultrasonic sensor array, a photoelectric sensor array and an electromagnetic sensor array carried on a flexible carrier, wherein the photoelectric sensor array and the electromagnetic sensor array are arranged together around the temperature and humidity-gyroscope composite sensor array, and the ultrasonic sensor array is arranged between the electromagnetic sensor array and the temperature and humidity-gyroscope composite sensor array and arranged along the outer edge of the temperature and humidity-gyroscope composite sensor array; at any detection moment, only one type of sensor array is turned on, and the other types of sensor arrays are turned off;

[0006] The electromagnetic sensor array is used to obtain skin density and skin depth information based on the electromagnetic wave echo signal of the measured area;

[0007] The ultrasonic sensor array is used to collect ultrasonic echo signals of tissues at different depths in the measured area according to the corresponding relationship between depth and frequency;

[0008] The photoelectric sensor array is used to obtain protein distribution information of the measured area according to the photoelectric echo signal of the measured area;

[0009] The temperature and humidity-gyroscope composite sensor array is used to collect skin displacement data and temperature and humidity data of the measured area.

[0010] Based on the above technical solution, the present invention can also make the following improvements.

[0011] Optionally, the electromagnetic sensor array includes a plurality of electromagnetic sensors arranged in an arc shape, and the measured area is located inside the arc area formed by the plurality of electromagnetic sensors;

[0012] Each of the electromagnetic sensors comprises an electromagnetic wave transmitting end and an electromagnetic wave receiving end. The electromagnetic wave transmitting end is used to send an electromagnetic wave detection signal to the measured area, and the electromagnetic wave receiving end is used to receive an electromagnetic wave echo signal.

[0013] Optionally, the ultrasonic sensor array includes a plurality of ultrasonic sensors, and the plurality of ultrasonic sensors are arranged along an inner edge of an arc-shaped area formed by the electromagnetic sensor array;

[0014] The ultrasonic sensor includes an ultrasonic transmitting end and an ultrasonic receiving end. The ultrasonic transmitting end is used to transmit an ultrasonic detection signal of a preset frequency to the measured area, and the ultrasonic receiving end is used to receive an ultrasonic echo signal reflected by tissue at a depth corresponding to the ultrasonic frequency.

[0015] Optionally, the photoelectric sensor array includes a plurality of photoelectric sensors arranged in an arc shape, and the measured area is located inside the arc formed by the plurality of photoelectric sensors;

[0016] The photoelectric sensor includes a photoelectric signal transmitting end and a photoelectric signal receiving end. The photoelectric signal transmitting end is used to send a photoelectric detection signal covering the ultraviolet-infrared band to the measured area, and the photoelectric signal receiving end is used to receive a photoelectric echo signal reflected by the tissue of the measured area.

[0017] Optionally, the temperature and humidity-gyroscope composite sensor array includes a plurality of temperature and humidity-gyroscope composite sensors arranged in an array in the middle of the measured area, and the temperature and humidity-gyroscope composite sensor includes a gyroscope and a temperature and humidity sensor;

[0018] The gyroscope is used to sense the skin displacement data of the measured point, and the temperature and humidity sensor is used to detect the skin temperature and humidity data of the measured point.

[0019] According to a second aspect of the present invention, a control method for a multifunctional array-type biological signal acquisition sensor module is provided. Based on the above-mentioned sensor module, the method comprises:

[0020] Obtaining a detection instruction, and obtaining a detection cycle according to the detection instruction;

[0021] All types of sensor arrays respond to the detection instruction in sequence according to the response speed, so that at any detection moment, only one of the electromagnetic sensor array, the ultrasonic sensor array, the photoelectric sensor array and the temperature and humidity-gyroscope composite sensor array is turned on, and the other three are turned off;

[0022] Traverse all types of sensor arrays to obtain detection data of all types of sensor arrays in the current detection cycle.

[0023] Optionally, the sensor arrays of all types respond to the detection instruction in sequence according to the response speed, including:

[0024] According to the difference in response speed, the electromagnetic sensor array and the ultrasonic sensor array are divided into a fast group, and the photoelectric sensor array and the temperature and humidity-gyroscope composite sensor array are divided into a slow group, and the detection priority of the slow group is higher than that of the fast group;

[0025] For the slow group, the detection data is sampled at a fixed slow group sampling period within the detection period; within a single slow group sampling period, the photoelectric sensor array or the temperature and humidity-gyroscope composite sensor array is turned on in a random order; if the sampling data volume of the electromagnetic sensor array or the ultrasonic sensor array in the current on state reaches a preset value, the sensor array in the current on state is turned off;

[0026] For the fast group, within the detection period and when the slow group is turned off, the electromagnetic sensor array or the ultrasonic sensor array is turned on in a random order; if the amount of sampling data of the electromagnetic sensor array or the ultrasonic sensor array in the current turned-on state reaches a preset value, the sensor array in the current turned-on state is turned off.

[0027] Optionally, the method further includes:

[0028] Estimate the skin depth and tissue density of the corresponding detection point according to the phase delay of the electromagnetic wave echo signal of multiple frequencies at each detection point and the amplitude attenuation of the electromagnetic wave echo signal; fit the skin depth and density distribution of the measured area of ​​the organism by combining the skin depth and tissue density of several detection points on the measured area;

[0029] Determine the ultrasonic detection signal frequency corresponding to the current detection target depth according to the corresponding relationship between depth and frequency, output the ultrasonic detection signal according to the ultrasonic detection signal frequency, and receive the ultrasonic echo signal reflected by the tissue in the detected area; extract the tissue image corresponding to the detection target depth according to the ultrasonic echo signal; construct a tissue ultrasound model according to the tissue images corresponding to the depths of several detection targets;

[0030] According to the photoelectric echo signals covering the ultraviolet-infrared band at each detection point, the absorption of light wave signals of each wavelength by specific proteins in the tested area is analyzed, and a skin protein content map is constructed according to the analysis results of the photoelectric echo signals;

[0031] A two-dimensional temperature and humidity map of the skin surface is constructed based on the skin temperature and humidity data of multiple detection points in the measured area; the skin displacement data of a single detection point is compensated based on the temperature and humidity data of the same detection point, and the skin contraction of the measured area is analyzed based on the compensated skin displacement data of multiple detection points.

[0032] Optionally, the method further includes:

[0033] A comprehensive model of the measured area of ​​the organism is constructed based on the skin depth and density distribution of the measured area, the tissue ultrasound model, the skin protein content map, the skin surface temperature and humidity two-dimensional map and the skin contraction of the measured area.

[0034] The present invention provides a multifunctional array-type biological signal acquisition sensor module and a control method thereof, which utilizes a multi-level sensor regional, discrete, and non-uniform arrangement mode, as well as a timing and function-based working mode, thereby greatly improving the flexibility and functional integrity of the composite sensor module in use, optimizing the data acquisition method of each type of sensor, and greatly improving the energy consumption ratio of the composite sensor module through the control method of sampling each type of sensor array in sequence, thereby solving the problem of mutual interference between various sensors. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 A schematic diagram of the arrangement structure of a multifunctional array-type biological signal acquisition sensor module provided by an embodiment of the present invention;

[0036] Figure 2 A schematic diagram of modeling for multi-parameter acquisition of biological skin and tissues by a sensor module combination working mode provided in an embodiment of the present invention;

[0037] Figure 3 A schematic diagram of data collection rules at a certain sampling moment of a sensor module provided by an embodiment of the present invention;

[0038] Figure 4 A schematic diagram of sampling rules for fast group and slow group sensor arrays provided in an embodiment of the present invention.

[0039] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0040] 1. Temperature and humidity-gyroscope composite sensor array, 2. Ultrasonic sensor array, 3. Photoelectric sensor array, 4. Electromagnetic sensor array, 5. Flexible carrier. DETAILED DESCRIPTION

[0041] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0042] See also Figure 1 and Figure 2 , Figure 1 A schematic diagram of the arrangement structure of a multifunctional array-type biological signal acquisition sensor module provided by an embodiment of the present invention, Figure 2 A schematic diagram of modeling multi-parameter acquisition of biological skin and tissues by a sensor module combination working mode provided in an embodiment of the present invention.

[0043] Combination Figure 1 and Figure 2 As shown, an embodiment of the present invention provides a multifunctional array-type biological signal acquisition sensor module, including a temperature and humidity-gyroscope composite sensor array 1, an ultrasonic sensor array 2, a photoelectric sensor array 3 and an electromagnetic sensor array 4 carried on a flexible carrier 5, wherein the photoelectric sensor array 3 and the electromagnetic sensor array 4 are arranged together around the temperature and humidity-gyroscope composite sensor array 1, and the ultrasonic sensor array 2 is arranged between the electromagnetic sensor array 4 and the temperature and humidity-gyroscope composite sensor array 1, and arranged along the outer edge of the temperature and humidity-gyroscope composite sensor array 1; at any detection time, only one type of sensor array is turned on, and the other types of sensor arrays are turned off;

[0044] The electromagnetic sensor array 4 is used to obtain skin density and skin depth information based on the electromagnetic wave echo signal of the measured area;

[0045] The ultrasonic sensor array 2 is used to collect ultrasonic echo signals of tissues at different depths in the measured area according to the corresponding relationship between depth and frequency;

[0046] The photoelectric sensor array 3 is used to obtain protein distribution information of the measured area according to the photoelectric echo signal of the measured area;

[0047] The temperature and humidity-gyroscope composite sensor array 1 is used to collect skin displacement data and temperature and humidity data of the measured area.

[0048] It is understandable that the embodiment of the present invention proposes a multifunctional array-type biological signal acquisition sensor module, which is carried on a flexible carrier 5 and fits the skin of the measured area. It can deform with the skin morphology of the measured area, so it can accurately detect the real-time state of the skin. The sensor module uses various types of sensor arrays, which can extract biological information from multiple aspects and realize the construction of a more complete biological model. The use of multi-level sensor arrays in a regional, discrete, and non-uniform arrangement mode and a time-sequence and function-based working mode greatly improves the flexibility and functional integrity of the composite sensor module in use, and the control method of sampling by each type of sensor array in sequence greatly improves the energy consumption ratio of the composite sensor module, and solves the problem of mutual interference between various sensors.

[0049] Based on the above technical solution, the present embodiment may also be improved as follows.

[0050] In a possible embodiment, Figure 1 As shown, the electromagnetic sensor array 4 includes a plurality of electromagnetic sensors arranged in an arc shape, and the measured area is located inside the arc area formed by the plurality of electromagnetic sensors;

[0051] Each of the electromagnetic sensors comprises an electromagnetic wave transmitting end and an electromagnetic wave receiving end. The electromagnetic wave transmitting end is used to send an electromagnetic wave detection signal to the measured area, and the electromagnetic wave receiving end is used to receive an electromagnetic wave echo signal.

[0052] It can be understood that the electromagnetic sensor is made of a variable length elastic copper-zinc alloy material as the basic material. Each electromagnetic sensor is composed of two sets of spring structures perpendicular to each other. By changing the size of the spring structure of the electromagnetic sensor, the electromagnetic sensor can receive and transmit 20KHz-5GHz frequency signals. Figure 1 The arrangement method can identify the sample thickness and density information within the area surrounded by the electromagnetic sensor array 4.

[0053] In a possible embodiment, Figure 1 As shown, the ultrasonic sensor array 2 includes a plurality of ultrasonic sensors, and the plurality of ultrasonic sensors are arranged along the inner edge of the arc-shaped area formed by the electromagnetic sensor array 4;

[0054] The ultrasonic sensor includes an ultrasonic transmitting end and an ultrasonic receiving end. The ultrasonic transmitting end is used to transmit an ultrasonic detection signal of a preset frequency to the measured area, and the ultrasonic receiving end is used to receive an ultrasonic echo signal reflected by tissue at a depth corresponding to the ultrasonic frequency.

[0055] It can be understood that the ultrasonic sensor array 2 is composed of multiple piezoelectric sensor units composed of multiple groups of ultrasonic piezoelectric composite materials. Each piezoelectric sensor unit acts as an ultrasonic sensor and can independently realize the ability to transmit and receive ultrasonic signals. A single ultrasonic sensor can realize the transmission and reception of 20KHz-20Mhz frequency signals, and the area of ​​the ultrasonic piezoelectric composite material can vary in size according to the roughness of the surface of the object being measured to ensure that the ultrasonic sensor array 2 fits closely to the surface of the object being measured, thereby ensuring the stability and consistency of the transmission signal.

[0056] In a possible embodiment, Figure 1 As shown, the photoelectric sensor array 3 includes a plurality of photoelectric sensors arranged in an arc shape, and the measured area is located inside the arc formed by the plurality of photoelectric sensors;

[0057] The photoelectric sensor includes a photoelectric signal transmitting end and a photoelectric signal receiving end. The photoelectric signal transmitting end is used to send a photoelectric detection signal covering the ultraviolet-infrared band to the measured area, and the photoelectric signal receiving end is used to receive a photoelectric echo signal reflected by the tissue of the measured area.

[0058] In this embodiment, the photoelectric sensor array 3 is composed of a light source unit (array-type light-emitting tube) and a receiving sensor unit (silicon-based, indium gallium arsenide receiving sensor). The wavelength range of the light source unit and the response wavelength of the receiving sensor unit cover all wavelengths of 10nm-1800nm, that is, the ultraviolet-infrared band. The surface of the silicon-based, indium gallium arsenide receiving sensor contains an adjustable grating structure, which can be used to separate individual spectra. All light source units and receiving sensor units constituting the photoelectric sensor array 3 can be turned on and off individually, and the light emitting angle and receiving angle can be adjusted individually.

[0059] It is understandable that for the lesion part or the part of interest, the photoelectric sensor array 3 can be used to observe the details, and the protein distribution and blood flow of the special part can be observed and recorded. The specific principle is that according to the principle of light transmission and scattering and combined with Lambert-Beer's law (the amount of light absorbed is proportional to the number of molecules that produce light absorption in the light path), the photoelectric sensor array 3 uses 10nm-1800nm ​​adjustable light wave signals to scan the skin lesion part or the part of interest one by one, generate a 3D model of wavelength and light wave signal absorption rate, and use the light wave wavelength and the absorption characteristics of specific proteins to obtain the skin protein content map. At the same time, the hemodynamic principle is combined with the correspondence between different wavelength light wave signals and vascular contraction and relaxation to generate a 3D model of wavelength and blood and vascular dynamics.

[0060] In a possible embodiment, Figure 1As shown, the temperature and humidity-gyroscope composite sensor array 1 includes a plurality of temperature and humidity-gyroscope composite sensors arranged in an array in the middle of the measured area, and the temperature and humidity-gyroscope composite sensor includes a gyroscope and a temperature and humidity sensor;

[0061] The gyroscope is used to sense the skin displacement data of the measured point, and the temperature and humidity sensor is used to detect the skin temperature and humidity data of the measured point.

[0062] It is understandable that the temperature and humidity-gyroscope composite sensor array 1 is composed of array-arranged temperature and humidity sensors and gyroscopes, and each temperature and humidity sensor corresponds to a gyroscope sensor to form a temperature and humidity-gyroscope composite sensor. The detection data of the temperature and humidity sensor can be used to calibrate the environmental compensation of adjacent gyroscope sensors, and can also monitor the temperature and humidity distribution range and distribution pattern on the surface of the object being measured. For example, the skin compression and real-time sweat and temperature output in the motion state can be obtained through the temperature and humidity-gyroscope composite sensor array 1, and the data collected by other sensor arrays can be used for dynamic comparison experiments, thereby demonstrating the dynamic model change trend of temperature and humidity body position and skin tissue in the motion state.

[0063] Based on the above-mentioned embodiment, this embodiment further provides a control method of a multifunctional array biological signal acquisition sensor module, including:

[0064] Obtaining a detection instruction, and obtaining a detection cycle according to the detection instruction;

[0065] like Figure 3 As shown, all types of sensor arrays respond to the detection instruction in sequence according to the response speed, so that at any detection moment, only one of the electromagnetic sensor array 4, the ultrasonic sensor array 2, the photoelectric sensor array 3 and the temperature and humidity-gyroscope composite sensor array 1 is turned on, and the other three are turned off;

[0066] Traverse all types of sensor arrays to obtain detection data of all types of sensor arrays in the current detection cycle.

[0067] It is understandable that, since multiple types of sensor arrays are distributed on the sensor module, each type of sensor needs to function without being interfered by other types of sensors, so this embodiment proposes an effective timing operation control mode.

[0068] like Figure 3 As shown, the electromagnetic sensor array 4 is distributed on the outermost side of the sensor module. When it is working, it needs to radiate a large amount of energy. At this time, other sensors that can receive electromagnetic energy or radiation energy, such as the photoelectric sensor array 3 and the ultrasonic sensor array 2, are turned off, and the temperature and humidity-gyroscope composite sensor array 1 is also turned off.

[0069] Similarly, when the photoelectric sensor array 3 is working, the electromagnetic sensor array 4 is turned off, the temperature and humidity-gyroscope composite sensor array 1 is turned off, and the ultrasonic sensor array 2 is turned off.

[0070] When a large range of signal fluctuations of the gyroscope is detected, the temperature and humidity-gyroscope composite sensor array 1 is temporarily turned off, and then the photoelectric sensor array 3 is started for detection. If there is no abnormality, the temperature and humidity-gyroscope composite sensor array 1 is turned on again. At the same time, the photoelectric sensor array 3, the ultrasonic sensor array 2 and the electromagnetic sensor array 4 remain turned off.

[0071] That is to say, at any detection moment, only one type of sensor array is running, and the other types of sensor arrays are turned off to avoid mutual interference between different types of sensor arrays and ensure detection accuracy.

[0072] In a possible embodiment, Figure 4 As shown, the sensor arrays of all types respond to the detection instructions in sequence according to the response speed, including:

[0073] According to the difference in response speed, the electromagnetic sensor array 4 and the ultrasonic sensor array 2 are divided into a fast group, and the photoelectric sensor array 3 and the temperature and humidity-gyroscope composite sensor array 1 are divided into a slow group, and the detection priority of the slow group is higher than that of the fast group;

[0074] For the slow group, the detection data is sampled at a fixed slow group sampling period within the detection period; within a single slow group sampling period, the photoelectric sensor array 3 or the temperature and humidity-gyroscope composite sensor array 1 is turned on in a random order; if the sampling data volume of the electromagnetic sensor array 4 or the ultrasonic sensor array 2 in the current on state reaches a preset value, the sensor array in the current on state is turned off;

[0075] For the fast group, during the detection period and when the slow group is turned off, the electromagnetic sensor array 4 or the ultrasonic sensor array 2 is turned on in a random order; if the amount of sampling data of the electromagnetic sensor array 4 or the ultrasonic sensor array 2 in the current turned-on state reaches a preset value, the sensor array in the current turned-on state is turned off.

[0076] For example, the detection cycle is 10s, the sampling times of the slow group within 10s is set to 100 times, and the sampling interval is 100ms. However, in the actual sampling process, the photoelectric sensor array 3 or the temperature and humidity-gyroscope composite sensor array 1 in the slow group only takes 5ms to complete the sampling. The photoelectric sensor array 3 and the temperature and humidity-gyroscope composite sensor array 1 are sampled in a random sequence without any particular order. It takes a total of 10ms for the two to complete a single sampling, and the remaining 90ms is the overall sleep time of the slow group. Since the detection priority of the slow group is higher than that of the fast group, and the response sensitivity of the fast group is higher than that of the slow group, the electromagnetic sensor array 4 and the ultrasonic sensor array 2 in the fast group only need to be randomly turned on within 90ms of the slow group's sleep to complete the sampling and can be turned off. During the detection cycle, each sensor array is automatically turned off after completing the sampling, which can save the energy consumption of the sensor module to the greatest extent.

[0077] In the slow group or fast group, all sensor arrays adopt random opening and closing working modes. Each individual sensor in each sensor array independently selects the working period and working duration, as long as the number of data sampled within a period of time reaches the set value. In this way, according to probability theory, sensors with fast response speeds will complete the sampling task first and then enter the closed state, thereby saving power consumption. At the same time, for the slow group sensor array with slow response, data is collected according to the interval time method. After the sensor array completes sampling in each interval time period, it turns to the closed state. In this way, power consumption is saved to the greatest extent while ensuring that the data is completed within the specified time.

[0078] In a possible embodiment, after the detection data of each sensor array is obtained, the method further includes constructing a biological model using the detection data of each sensor array, specifically including:

[0079] 1. The electromagnetic sensor array 4 located in the outer circle of the sensor module works first, and transmits electromagnetic wave detection signals to the measured area of ​​the organism in a 20KHz-5GHz frequency sweep mode. As the electromagnetic wave frequency changes, the depth of electromagnetic waves penetrating the skin tissue will change. According to the phase delay of the electromagnetic wave echo signals of multiple frequencies at each detection point and the amplitude attenuation of the electromagnetic wave echo signals, the skin depth and tissue density of the corresponding detection point are estimated; combined with the skin depth and tissue density of several detection points on the measured area, the skin depth and density distribution of the measured area of ​​the organism are fitted.

[0080] 2. After obtaining the skin density and depth distribution collected by the electromagnetic sensor array 4, the output signal frequency of the ultrasonic sensor can be determined based on the correspondence between depth and frequency. For example, if the ultrasonic sensor wants to observe the tissue image of the skin at a depth of 1 cm, then first obtain the frequency-depth correspondence collected by the electromagnetic sensor by looking up the table, determine the appropriate ultrasonic detection signal frequency or frequency orientation, and then set the working frequency of the ultrasonic sensor, output the ultrasonic detection signal according to the ultrasonic detection signal frequency, and receive the ultrasonic echo signal reflected by the tissue in the measured area. The ultrasonic sensor array 2 extracts the tissue image corresponding to the detection target depth (1 cm) according to the ultrasonic echo signal, such as the image and distribution of blood, tissue fluid, and tumor, and constructs a tissue ultrasonic model based on the tissue images corresponding to several detection target depths to complete the image distribution modeling.

[0081] 3. For the lesion site or the site of interest, the details are observed through the photoelectric sensor array 3. The absorption of light wave signals of each wavelength by specific proteins in the measured area is analyzed according to the photoelectric echo signals covering the ultraviolet-infrared band at each detection point of the site. The protein distribution and blood flow conditions in special sites can be observed and recorded, and a skin protein content map is constructed according to the analysis results of the photoelectric echo signals.

[0082] 4. Construct a two-dimensional temperature and humidity map of the skin surface based on the skin temperature and humidity data of multiple detection points in the measured area; compensate the skin displacement data of a single detection point based on the temperature and humidity data of the same detection point, and analyze the skin contraction of the measured area based on the compensated skin displacement data of multiple detection points.

[0083] It can be understood that the temperature, humidity and gyroscope composite sensor array 1 can be used to obtain skin compression and real-time sweat and temperature output in motion. Combined with the data collected by other sensor arrays, dynamic comparison experiments can be performed to demonstrate the dynamic model change trend of temperature, humidity, body position and skin tissue in motion.

[0084] After obtaining the detection data of each type of sensor array, a comprehensive model of the measured area of ​​the organism is constructed based on the skin depth and density distribution of the measured area, the tissue ultrasound model, the skin protein content map, the skin surface temperature and humidity two-dimensional map and the skin contraction of the measured area.

[0085] The present invention provides a multifunctional array-type biological signal acquisition sensor module and a control method thereof. The sensor module is attached to the measured area through a flexible carrier 5 and can be deformed synchronously with the measured area to obtain more accurate detection data. The use of multi-level sensors in a regional, discrete, and non-uniform arrangement mode, as well as a time-sequence and function-based working mode, greatly improves the flexibility and functional integrity of the composite sensor module in use, optimizes the data acquisition method of various types of sensors, and greatly improves the energy consumption ratio of the composite sensor module through the control method of sampling in sequence by various types of sensor arrays, solving the problem of mutual interference between various sensors.

[0086] It should be noted that in the above embodiments, the description of each embodiment has its own emphasis, and for parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0087] Those skilled in the art will appreciate that embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0088] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded computer, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0089] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0090] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 A step that specifies a function in one or more boxes.

[0091] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0092] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A multifunctional array biological signal acquisition sensor module, characterized in that: The invention comprises a temperature and humidity-gyroscope composite sensor array (1), an ultrasonic sensor array (2), a photoelectric sensor array (3) and an electromagnetic sensor array (4) mounted on a flexible carrier (5); the photoelectric sensor array (3) and the electromagnetic sensor array (4) are arranged together around the temperature and humidity-gyroscope composite sensor array (1); the ultrasonic sensor array (2) is arranged between the electromagnetic sensor array (4) and the temperature and humidity-gyroscope composite sensor array (1) and arranged along the outer edge of the temperature and humidity-gyroscope composite sensor array (1); at any detection time, only one type of sensor array is turned on, and the other types of sensor arrays are turned off; The electromagnetic sensor array (4) is used to obtain skin density and skin depth information based on the electromagnetic wave echo signal of the measured area; The ultrasonic sensor array (2) is used to collect ultrasonic echo signals of tissues at different depths in the measured area according to the corresponding relationship between depth and frequency; The photoelectric sensor array (3) is used to obtain protein distribution information of the measured area according to the photoelectric echo signal of the measured area; The temperature and humidity-gyroscope composite sensor array (1) is used to collect skin displacement data and temperature and humidity data of a measured area.

2. A multifunctional array biological signal acquisition sensor module according to claim 1, characterized in that: The electromagnetic sensor array (4) comprises a plurality of electromagnetic sensors arranged in an arc shape, and the measured area is located inside the arc-shaped area formed by the plurality of electromagnetic sensors; Each of the electromagnetic sensors comprises an electromagnetic wave transmitting end and an electromagnetic wave receiving end. The electromagnetic wave transmitting end is used to send an electromagnetic wave detection signal to the measured area, and the electromagnetic wave receiving end is used to receive an electromagnetic wave echo signal.

3. The multifunctional array biological signal acquisition sensor module according to claim 2, characterized in that: The ultrasonic sensor array (2) comprises a plurality of ultrasonic sensors, and the plurality of ultrasonic sensors are arranged along the inner edge of the arc-shaped area formed by the electromagnetic sensor array (4); The ultrasonic sensor includes an ultrasonic transmitting end and an ultrasonic receiving end. The ultrasonic transmitting end is used to transmit an ultrasonic detection signal of a preset frequency to the measured area, and the ultrasonic receiving end is used to receive an ultrasonic echo signal reflected by tissue at a depth corresponding to the ultrasonic frequency.

4. The multifunctional array biological signal acquisition sensor module according to claim 1, characterized in that: The photoelectric sensor array (3) comprises a plurality of photoelectric sensors arranged in an arc shape, and the measured area is located inside the arc formed by the plurality of photoelectric sensors; The photoelectric sensor includes a photoelectric signal transmitting end and a photoelectric signal receiving end. The photoelectric signal transmitting end is used to send a photoelectric detection signal covering the ultraviolet-infrared band to the measured area, and the photoelectric signal receiving end is used to receive a photoelectric echo signal reflected by the tissue of the measured area.

5. The multifunctional array biological signal acquisition sensor module according to claim 2, characterized in that: The temperature and humidity-gyroscope composite sensor array (1) comprises a plurality of temperature and humidity-gyroscope composite sensors arranged in an array in the middle of the measured area, and the temperature and humidity-gyroscope composite sensor comprises a gyroscope and a temperature and humidity sensor; The gyroscope is used to sense the skin displacement data of the measured point, and the temperature and humidity sensor is used to detect the skin temperature and humidity data of the measured point.

6. A control method for a multifunctional array biological signal acquisition sensor module, based on the sensor module of any one of claims 1 to 5, characterized in that: include: Obtaining a detection instruction, and obtaining a detection cycle according to the detection instruction; All types of sensor arrays respond to the detection instruction in sequence according to the response speed, so that at any detection moment, only one of the electromagnetic sensor array (4), the ultrasonic sensor array (2), the photoelectric sensor array (3) and the temperature and humidity-gyroscope composite sensor array (1) is turned on, and the other three are turned off; Traverse all types of sensor arrays to obtain detection data of all types of sensor arrays in the current detection cycle.

7. The control method of a multifunctional array biological signal acquisition sensor module according to claim 6, characterized in that: The sensor arrays of all types respond to the detection instruction in sequence according to the response speed, including: According to the difference in response speed, the electromagnetic sensor array (4) and the ultrasonic sensor array (2) are divided into a fast group, and the photoelectric sensor array (3) and the temperature and humidity-gyroscope composite sensor array (1) are divided into a slow group, and the detection priority of the slow group is higher than that of the fast group; For the slow group, detection data is sampled at a fixed slow group sampling period within the detection period; within a single slow group sampling period, the photoelectric sensor array (3) or the temperature and humidity-gyroscope composite sensor array (1) is turned on in a random order; when the amount of sampling data of the electromagnetic sensor array (4) or the ultrasonic sensor array (2) in the currently turned-on state reaches a preset value, the sensor array in the currently turned-on state is turned off; For the fast group, within the detection cycle and when the slow group is closed, the electromagnetic sensor array (4) or the ultrasonic sensor array (2) is turned on in a random order; if the amount of sampling data of the electromagnetic sensor array (4) or the ultrasonic sensor array (2) in the current turned-on state reaches a preset value, the sensor array in the current turned-on state is turned off.

8. The control method of a multifunctional array biological signal acquisition sensor module according to claim 6 or 7, characterized in that: Also includes: Estimate the skin depth and tissue density of the corresponding detection point according to the phase delay of the electromagnetic wave echo signal of multiple frequencies at each detection point and the amplitude attenuation of the electromagnetic wave echo signal; fit the skin depth and density distribution of the measured area of ​​the organism by combining the skin depth and tissue density of several detection points on the measured area; Determine the ultrasonic detection signal frequency corresponding to the current detection target depth according to the corresponding relationship between depth and frequency, output the ultrasonic detection signal according to the ultrasonic detection signal frequency, and receive the ultrasonic echo signal reflected by the tissue in the detected area; extract the tissue image corresponding to the detection target depth according to the ultrasonic echo signal; construct a tissue ultrasound model according to the tissue images corresponding to the depths of several detection targets; According to the photoelectric echo signals covering the ultraviolet-infrared band at each detection point, the absorption of light wave signals of each wavelength by specific proteins in the tested area is analyzed, and a skin protein content map is constructed according to the analysis results of the photoelectric echo signals; A two-dimensional temperature and humidity map of the skin surface is constructed based on the skin temperature and humidity data of multiple detection points in the measured area; the skin displacement data of a single detection point is compensated based on the temperature and humidity data of the same detection point, and the skin contraction of the measured area is analyzed based on the compensated skin displacement data of multiple detection points.

9. The control method of a multifunctional array biological signal acquisition sensor module according to claim 8, characterized in that: Also includes: A comprehensive model of the measured area of ​​the organism is constructed based on the skin depth and density distribution of the measured area, the tissue ultrasound model, the skin protein content map, the skin surface temperature and humidity two-dimensional map and the skin contraction of the measured area.

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