CN110710963A - Narrow-face type radar intelligent monitoring respiratory system - Google Patents
Narrow-face type radar intelligent monitoring respiratory system Download PDFInfo
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Abstract
The invention belongs to the technical field of respiratory monitoring equipment, and relates to a narrow-surface type radar intelligent monitoring respiratory system; the main structure comprises a narrow-surface radar, a cloud server and an inspection terminal; the narrow-surface radar adopts a digital radar structure and is used for collecting and processing the respiration and heart rate information of a detection target; the information acquisition module, the information processing module and the result transmission module of the narrow-face radar are electrically and information-connected in sequence; the cloud server is provided with an information storage module, a receiving end of the information storage module is in electrical information connection with an output end of the result transmission module, the inspection terminal is provided with an information acquisition module, and the receiving end of the information acquisition module is in electrical information connection with the output end of the information storage module; the system is reasonable and complete in structure, adjustable in detection range, capable of accurately reaching 0.1 meter, strong in pertinence of a single detection target, capable of remotely checking detection results and capable of enabling doctors, patient families, farm managers and the like to know the state of the detection target at the first time.
Description
The technical field is as follows:
the invention belongs to the technical field of respiratory monitoring equipment, relates to a device for monitoring respiration by means of radar equipment, and particularly relates to a narrow-surface type radar intelligent monitoring respiratory system.
Background art:
at present, sleep apnea syndrome is a common disease in clinic, and has serious influence on human health. Polysomnography monitoring is the golden standard for clinical diagnosis of sleep apnea syndrome, and requires a plurality of leads to be connected to the body surface of a patient for a long time in the diagnosis process, which brings great inconvenience and physical discomfort to the patient. At present, the biological radar technology is applied to the discrimination of normal sleep breathing and sleep apnea, and the biological radar technology can perform non-contact monitoring on the physiological movement of human body such as heartbeat, breathing and the like through objects such as clothes, bedding and the like.
In the prior art, a chinese patent with publication number CN103637780B discloses a human sleep heart rate and respiration monitoring system, which comprises a front end collecting device for collecting human heart rate and respiration information in a sleep state and a data processing system for analyzing and processing data collected by the front end collecting device, wherein the front end collecting device comprises a radar device for transmitting and receiving transmission signals to the chest of a human body and a camera for collecting images of the sleep process of the human body, the output of the camera is connected with a hard disk video recorder, and the outputs of the radar device and the hard disk video recorder are respectively connected with the data processing system through a network. When other people are present, the detected data is more influenced by the heartbeat and the breath of the other people; chinese patent publication No. CN108392186A discloses a non-contact sleep apnea detecting method, which comprises the following steps: the method comprises the steps that a radar of the intelligent equipment emits modulated continuous waves, one-time fast Fourier transform is carried out in a plurality of periods of the modulated continuous waves, the frequency shift of reflected waves is calculated through a calculation window of the fast Fourier transform, chest movement signals are obtained, the mean value and the variance of the peak value of the chest movement signals are calculated, when the peak value and the mean value of the chest movement signals are smaller than two variances, the peak value of the chest movement signals is ignored, the heuristic peak value of the chest movement signals is obtained, and an apnea-hypopnea index is calculated through the heuristic peak value.
The radar equipment of the existing breathing machine adopts a transmission antenna, the transmission antenna has the problem of point shooting, targets are easy to be misaligned in practical application, the detection effect is poor, most antennas of the radar in the market are of a semi-sphere reflection type, the signal acceptance range is wide, the detection range is increased by using the antenna, but a plurality of detection targets are easy to appear in the detection range, so that the radar is difficult to obtain accurate data; moreover, the existing respirator monitoring equipment cannot meet the requirement of doctors, family members of patients on remote real-time monitoring of the respiratory state of the patients or monitoring of the respiratory health state of animals by a farm manager.
The invention content is as follows:
the invention aims to overcome the defects of the prior art, and designs a narrow-surface type radar intelligent monitoring breathing system aiming at the defects that the single target detection data is inaccurate due to the problems of point shooting, simultaneous acquisition of multiple detection target information and the like of the traditional breathing machine radar device caused by wide detection range, and the detection result can not be checked by multiple terminals.
In order to achieve the above object, the narrow-area radar intelligent monitoring respiratory system according to the present invention comprises: the system comprises a narrow-surface radar, a cloud server and an inspection terminal; the narrow-surface radar adopts a digital radar structure, the detection range of the narrow-surface radar can be adjusted, the detection range can be accurate to 0.1 meter, and the narrow-surface radar is used for collecting and processing the respiration and heart rate information of a detection target; the narrow-surface radar is in electrical information connection with the cloud server, the cloud server is used for storing detection data and results of the narrow-surface radar, the cloud server is in electrical information connection with the inspection terminal, and the inspection terminal is used for checking the data stored by the cloud server.
The narrow-surface radar comprises an information acquisition module, an information processing module and a result transmission module; the output end of the information acquisition module is electrically and information connected with the receiving end of the information processing module, and the output end of the information processing module is electrically and information connected with the receiving end of the result transmission module; the information acquisition module is used for acquiring respiratory heartbeat frequency information of the detection target, filtering the acquired information, calculating a real-time value of an actual distance between the detection target and the narrow-surface radar, and transmitting the respiratory heartbeat frequency and the real-time value to the information processing module; the information processing module is used for storing a real-time value of the actual distance, analyzing and processing the obtained data to obtain a heart rate frequency value and a breathing frequency value, and judging the health condition of the detection target according to the obtained heart rate frequency value and breathing frequency value; the result transmission module is used for assisting the information processing module to transmit the acquired data information, the detected heart rate frequency value, the detected breathing frequency value and the health condition to the cloud server; the cloud server is provided with an information storage module, a receiving end of the information storage module is in electrical information connection with an output end of the result transmission module, and the information storage module is used for storing data information transmitted by the narrow-area radar; the monitoring terminal is provided with an information acquisition module, a receiving end of the information acquisition module is in electrical information connection with an output end of the information storage module, the information acquisition module is used for calling data information stored by the information storage module, and the monitoring terminal can be intelligent equipment such as a computer, a mobile phone and a tablet.
The narrow-surface radar main body structure comprises a shell, an OLED liquid crystal screen, an audio interface, an HDMI interface, a power interface, a horn antenna, a radar chip, a first USB interface, a second USB interface, an Ethernet interface, a fixed column, a main board, a microprocessor, a memory, a WIFI module, a 4G module and an Ethernet card module; the OLED liquid crystal screen is fixedly arranged on the right side of the upper end face of the shell of the square structure and is used for displaying a detected respiratory frequency value and a detected heart rate frequency value in real time, and workers can conveniently acquire real-time data without a display; the left side of the upper end face of the shell is provided with a horn antenna with a circular truncated cone-shaped barrel-shaped structure, the wide bottom face of the horn antenna penetrates out of the shell wall of the upper end of the shell, the wide bottom face of the horn antenna and the upper end face of the shell are positioned on the same horizontal plane, the narrow bottom face of the horn antenna is fixedly connected with the upper end face of the radar chip, the range of the horn antenna is set according to the distance range of a detection target and a narrow-face radar, and the range band of the horn antenna is adjusted through a narrow-face radar external computer; the horn antenna transmits the acquired signals to the radar chip, four end corners of the radar chip are fixedly connected with the fixed column, the lower end of the fixed column is fixedly connected with the lower end face of the shell, and the OLED liquid crystal screen, the horn antenna and the radar chip are combined to form the information acquisition module; the radar chip carries out filtering processing on the acquired information and calculates an actual distance value between a detection target and the narrow-surface radar, and the radar chip transmits the filtered information and the actual distance value to the main board; the main board is positioned at the lower end of the radar chip and is fixed at the bottom of the shell; a microprocessor is fixedly arranged on the mainboard, the microprocessor adopts a 64-bit 4-core 1.4GHZ processor, and the microprocessor is in electrical information connection with the radar chip; the microprocessor processes the information and the actual distance value filtered by the radar chip, calculates a breathing frequency value and a heart rate frequency value, and stores the breathing frequency value and the heart rate frequency value calculated each time into a memory; the microprocessor can also call preset standard breath frequency values and heart rate frequency values and breath frequency values and heart rate frequency values recorded in the previous time from the memory, and compare and analyze the preset standard breath frequency values and heart rate frequency values with the breath frequency values and the heart rate frequency values calculated at the time to judge the health state of the detection target; the microprocessor can display a real-time curve graph of the calculated respiratory frequency value and the heart rate frequency value through an external display; the main board is also fixedly provided with a memory, the memory is in electrical information connection with the microprocessor, and the memory is used for storing the respiratory frequency value and the heart rate frequency value calculated by the microprocessor; the microprocessor and the memory are combined to form an information processing module; the right side of the mainboard is provided with an Ethernet card module which is respectively in electrical information connection with the microprocessor and the Ethernet interface, the Ethernet interface is fixedly arranged at the lower part of the right side wall of the shell, and the Ethernet card module and the Ethernet interface adopt the existing Ethernet communication structure; the WIFI module and the 4G module are arranged on the right side of the main board, the WIFI module adopts an existing WIFI communication structure, the 4G module adopts an existing 4G communication structure, and the WIFI module, the 4G module or the Ethernet card module is used for the microprocessor to transmit the acquired respiration and heart rate data, the calculated respiration frequency value and heart rate frequency value and the health state of the detection target to the cloud server; the right side wall of the shell is also fixedly provided with a first USB interface and a second USB interface, the first USB interface and the second USB interface are respectively in electrical information connection with the microprocessor, and the first USB interface and the second USB interface are respectively used for externally connecting a mouse and a keyboard; the lower part of the front end face of the shell is fixedly provided with a power supply interface, the power supply interface is electrically connected with the microprocessor, and the power supply interface is used for externally connecting a power supply; the right side of the power supply interface is fixedly provided with an HDMI interface, the HDMI interface is in electrical information connection with the microprocessor, and the HDMI interface is used for being externally connected with a display; the HDMI interface, the Ethernet interface, the WIFI module, the 4G module and the Ethernet card module are combined to form a result transmission module; the right side of the HDMI is fixedly provided with an audio interface, the audio interface is in electrical information connection with the microprocessor, and the audio interface is used for externally connecting audio equipment to output voice alarm prompt information; the narrow-surface radar is automatically controlled by a microprocessor, the detection result is accurate, and the operation is convenient.
The inclination value of the horn antenna is 10 degrees, the height value of the horn antenna 13 is 3 centimeters, and the farthest distance of signal transmission and reception of the horn antenna reaches 1.2 meters at most; and the optimal detection distance between the position of the horn antenna of the narrow-area radar and the detection target is 1 meter.
The narrow-surface type radar intelligent monitoring breathing system comprises the following specific working steps:
the first step is as follows: installing the narrow-surface radar in a place where a detection target is located, wherein the maximum detection distance between the installation position of the narrow-surface radar and the detection target is not more than 1.2 m, and adjusting a detection range band by the narrow-surface radar through a computer;
the second step is that: firstly, a horn antenna collects the respiration and heart rate information of a detection target by sending and receiving electromagnetic signals, the horn antenna transmits the collected respiration and heart rate information to a radar chip, then the radar chip carries out filtering processing on the collected respiration and heart rate information, meanwhile, the radar chip calculates the actual distance value between the detection target and a narrow-face radar according to the time difference value of the sending and receiving electromagnetic signals, and finally, the radar chip transmits the filtered respiration and heart rate information and the actual distance value to a microprocessor;
the third step: the microprocessor and the like store the obtained actual distance values into the memory at equal time intervals, and the time intervals can be set to be 2 seconds; determining a distance value range with high actual distance value distribution probability according to all actual distance values acquired by using the narrow-surface radar for the first time, adjusting the distance between the installation position of the narrow-surface radar and a detection target according to the determined distance value range when the narrow-surface radar is used again, and controlling the detection distance between the narrow-surface radar and the detection target to be 1 m;
the fourth step: firstly, the microprocessor carries out waveform decomposition on the acquired respiration and heart rate information to obtain a small-amplitude sine wave and a large-amplitude sine wave, wherein the obtained small-amplitude sine wave is a heart rate waveform, and the obtained large-amplitude sine wave is a respiration waveform; then, the microprocessor respectively carries out frequency calculation according to the peak value of the heart rate waveform and the peak value of the respiration waveform to obtain a heart rate frequency value and a respiration frequency value; the calculation formula for calculating the heart rate or the respiratory rate is as follows:
frequency 60/(waveform rise time + waveform fall time);
the fifth step: firstly, the microprocessor calls a preset standard respiratory frequency value and a preset heart rate frequency value from a memory, and the respiratory frequency value and the heart rate frequency value recorded in the previous time, and compares and analyzes the respiratory frequency value and the heart rate frequency value calculated in the current time to judge the health state of a detected target;
and a sixth step: the microprocessor stores the calculated respiratory frequency value and the calculated heart rate frequency value into the memory, the microprocessor transmits the calculated respiratory frequency value and the calculated heart rate frequency value to the OLED liquid crystal screen for display, the processor generates a curve graph of all the recorded respiratory frequency values and heart rate frequency values, and simultaneously transmits the acquired respiratory and heart rate data, the calculated respiratory frequency value and heart rate frequency value, the health state of the detection target and the curve graph to the cloud server, and the monitoring terminal is used for acquiring all data stored by the cloud server at any time.
Compared with the prior art, the designed narrow-surface type radar intelligent monitoring breathing system is reasonable and complete in structure, scientific and practical, the radar antenna adopts a horn antenna structure with a small inclination angle, the acquisition range is limited, the spot-shooting problem of a lens antenna is effectively avoided, the specific narrow umbrella surface detection is formed, the detection range is adjustable and can be accurate to 0.1 meter, the single detection target is strong in pertinence, the detection data accuracy is high, the detection result can be remotely checked, doctors, patients and farm managers can know the detection target state at the first time, and the narrow-surface type radar intelligent monitoring breathing system is strong in operability and friendly in application environment.
Description of the drawings:
fig. 1 is a schematic block diagram of the main structure of a narrow-surface type radar intelligent monitoring respiratory system related to the invention.
Fig. 2 is a schematic block diagram of the modular structure of the narrow-area radar intelligent monitoring respiratory system related to the invention.
Fig. 3 is a schematic structural diagram of a narrow-area radar according to the present invention.
Fig. 4 is a schematic diagram of the internal structure of the narrow-area radar according to the present invention.
Fig. 5 is a schematic diagram of a principle of a slant structure of the horn antenna according to the present invention.
Fig. 6 is a schematic block diagram of the principle of the modular structure of the main board according to the present invention.
The specific implementation mode is as follows:
the invention is further illustrated by the following examples in conjunction with the accompanying drawings.
Example 1:
the narrow face formula radar intelligent monitoring respiratory that this embodiment relates to, its major structure includes: the system comprises a narrow-surface radar 1, a cloud server 2 and an inspection terminal 3; the narrow-surface radar 1 adopts a digital radar structure, the detection range of the narrow-surface radar 1 can be adjusted, the detection range can be accurate to 0.1 meter, and the narrow-surface radar 1 is used for collecting and processing the respiration and heart rate information of the detection target 4; the narrow-area radar 1 is in electrical information connection with the cloud server 2, the cloud server 2 is used for storing detection data and results of the narrow-area radar 1, the cloud server 2 is in electrical information connection with the inspection terminal 3, and the inspection terminal 3 is used for inspecting the data stored by the cloud server 2; the narrow-face radar 1 comprises an information acquisition module 5, an information processing module 6 and a result transmission module 7; the output end of the information acquisition module 5 is electrically and information connected with the receiving end of the information processing module 6, and the output end of the information processing module 6 is electrically and information connected with the receiving end of the result transmission module 7; the information acquisition module 5 is used for acquiring respiratory heartbeat frequency information of the detection target 4, filtering the acquired information, calculating a real-time value of an actual distance between the detection target 4 and the narrow-surface radar 1, and transmitting the respiratory heartbeat frequency and the real-time value to the information processing module 6; the information processing module 6 is used for storing a real-time value of the actual distance, analyzing and processing the obtained data to obtain a heart rate frequency value and a respiratory frequency value, and judging the health condition of the detection target 4 according to the obtained heart rate frequency value and respiratory frequency value; the result transmission module 7 is used for assisting the information processing module 6 to transmit the acquired data information, the detected heart rate frequency value, the detected breathing frequency value and the health condition to the cloud server 2; the cloud server 2 is provided with an information storage module, a receiving end of the information storage module is in electrical information connection with an output end of the result transmission module 7, and the information storage module is used for storing data information transmitted by the narrow-area radar; the inspection terminal 3 is provided with an information acquisition module, a receiving end of the information acquisition module is in electrical information connection with an output end of the information storage module, the information acquisition module is used for calling data information stored by the information storage module, and the inspection terminal 3 can be intelligent equipment such as a computer, a mobile phone and a tablet.
The main structure of the narrow-surface radar 1 according to the embodiment includes a housing 8, an OLED liquid crystal screen 9, an audio interface 10, an HDMI interface 11, a power interface 12, a horn antenna 13, a radar chip 14, a first USB interface 15, a second USB interface 16, an ethernet interface 17, a fixing column 18, a main board 19, a microprocessor 20, a memory 21, a WIFI module 22, a 4G module 23, and an ethernet card module 24; the OLED liquid crystal screen 9 is fixedly arranged on the right side of the upper end face of the shell 8 with the square structure, and the OLED liquid crystal screen 9 is used for displaying a detected respiratory frequency value and a detected heart rate frequency value in real time, so that a worker can conveniently acquire real-time data without a display; a horn antenna 13 with a truncated cone-shaped barrel-shaped structure is arranged on the left side of the upper end face of the shell 8, the wide bottom face of the horn antenna 13 penetrates out of the shell wall of the upper end of the shell 8, the wide bottom face of the horn antenna 13 and the upper end face of the shell 8 are in the same horizontal plane, the narrow bottom face of the horn antenna 13 is fixedly connected with the upper end face of the radar chip 14, the range of the horn antenna 13 is set according to the distance range of the detection target 4 and the narrow-face radar 1, and the range band of the horn antenna 13 is adjusted by an external computer of the narrow-face radar 1; the horn antenna 13 transmits the acquired signals to the radar chip 14, four end corners of the radar chip 14 are fixedly connected with the fixed columns 18, the lower ends of the fixed columns 18 are fixedly connected with the lower end face of the shell 8, and the OLED liquid crystal screen 9, the horn antenna 13 and the radar chip 14 are combined to form the information acquisition module 5; the radar chip 14 carries out filtering processing on the acquired information and calculates an actual distance value between the detection target 4 and the narrow-surface radar 1, and the radar chip 14 transmits the filtered information and the actual distance value to the main board 19; the main board 19 is positioned at the lower end of the radar chip 14, and the main board 19 is fixed at the bottom of the shell 8; the main board 19 is fixedly provided with a microprocessor 20, the microprocessor 20 adopts a 64-bit 4-core 1.4GHZ processor, the microprocessor 20 has strong processing capacity and can drive a display and a mouse keyboard, and the microprocessor 20 is in electrical information connection with the radar chip 14; the microprocessor 20 processes the information and the actual distance value filtered by the radar chip 14, calculates a breathing frequency value and a heart rate frequency value, and stores the breathing frequency value and the heart rate frequency value calculated each time into the memory 21; the microprocessor 20 can also retrieve preset standard respiratory frequency value and heart rate frequency value from the memory 21, and respiratory frequency value and heart rate frequency value recorded last time, and compare and analyze the respiratory frequency value and the heart rate frequency value calculated this time, and judge the health state of the detection target 4; the microprocessor 20 can display a real-time curve graph of the calculated respiratory frequency value and the calculated heart rate frequency value through an external display; the main board 19 is also fixedly provided with a memory 21, the memory 21 is electrically connected with the microprocessor 20, and the memory 21 is used for storing the respiratory frequency value and the heart rate frequency value calculated by the microprocessor 20; the microprocessor 20 and the memory 21 are combined to form an information processing module 6; an Ethernet card module 24 is arranged on the right side of the main board 19, the Ethernet card module 24 is respectively in electrical information connection with the microprocessor 20 and the Ethernet interface 17, the Ethernet interface 17 is fixedly arranged on the lower portion of the right side wall of the shell, and the Ethernet card module 24 and the Ethernet interface 17 adopt the existing Ethernet communication structure; a WIFI module 22 and a 4G module 23 are further arranged on the right side of the main board 19, the WIFI module 22 adopts an existing WIFI communication structure, the 4G module 23 adopts an existing 4G communication structure, and the WIFI module 22, the 4G module 23 or the Ethernet card module 24 is used for the microprocessor 20 to transmit the acquired respiration and heart rate data, the calculated respiration frequency value and heart rate frequency value and the health state of the detection target 4 to the cloud server 2; a first USB interface 15 and a second USB interface 16 are fixedly arranged on the right side wall of the shell 8, the first USB interface 15 and the second USB interface 16 are respectively in electrical information connection with the microprocessor 20, and the first USB interface 15 and the second USB interface 16 are respectively used for externally connecting a mouse and a keyboard; the lower part of the front end face of the shell 8 is fixedly provided with a power supply interface 12, the power supply interface 12 is electrically connected with the microprocessor 20, and the power supply interface 12 is used for externally connecting a power supply; the right side of the power supply interface 12 is fixedly provided with an HDMI interface 11, the HDMI interface 11 is in electrical information connection with the microprocessor 20, and the HDMI interface 11 is used for externally connecting a display; the result transmission module 7 is formed by combining the HDMI interface 11, the Ethernet interface 17, the WIFI module 22, the 4G module 23 and the Ethernet card module 24; the right side of the HDMI 11 is fixedly provided with an audio interface 10, the audio interface 10 is in electrical information connection with the microprocessor 20, and the audio interface 10 is used for externally connecting audio equipment to output voice alarm prompt information; the narrow-surface radar 1 is automatically controlled by the microprocessor 20, the detection result is accurate, and the operation is convenient.
The slope value of the horn antenna 13 according to this embodiment is determined through a plurality of sets of simulation experiments, and the statistical data in table 1 show that: when the inclination of the horn antenna 13 is 10 degrees, the detection effect is optimal; the receiving range of the signal of the horn antenna 13 with the inclination larger than 10 degrees of the horn antenna 13 is wide, the breathing frequency of a plurality of detection targets 4 can be easily received, the breathing data of a single detection target 4 can not be accurately detected, and the receiving range of the signal of the horn antenna 13 with the inclination smaller than 10 degrees is small, so that the problem that the breathing frequency signal of the detection target 4 can not be received can be caused;
TABLE 1 horn antenna inclination test recording table
In the embodiment, when the inclination of the horn antenna 13 is 10 °, the height value of the horn antenna 13 is obtained through a simulation experiment (see table 2 for experimental records): when the height value of the horn antenna 13 is 3 cm, the detection effect is optimal, the cost is not high, and the farthest distance of signal transmission and reception reaches 1.2 m at most; and the optimal detection distance is 1 meter.
Table 2 horn antenna height value test recording table with inclination of 10 deg
The narrow-surface type radar intelligent monitoring respiratory system related to the embodiment comprises the following specific working steps:
the first step is as follows: installing the narrow-area radar 1 in a place where the detection target 4 is located, wherein the maximum detection distance between the installation position of the narrow-area radar 1 and the detection target 4 is not more than 1.2 m, and adjusting a detection range band of the narrow-area radar 1 through a computer;
the second step is that: firstly, a horn antenna 13 collects the respiration and heart rate information of a detection target 4 by sending and receiving electromagnetic signals, the horn antenna 13 transmits the collected respiration and heart rate information to a radar chip 14, then the radar chip 14 carries out filtering processing on the collected respiration and heart rate information, meanwhile, the radar chip 14 calculates the actual distance value between the detection target 4 and a narrow-area radar 1 according to the time difference value of the sending and receiving electromagnetic signals, and finally, the radar chip 14 transmits the filtered respiration and heart rate information and the actual distance value to a microprocessor 20;
the third step: the microprocessor 20 stores the obtained actual distance values into the memory 21 at equal time intervals, wherein the time intervals can be set to be 2 seconds; determining a distance value range with high actual distance value distribution probability according to all actual distance values obtained by using the narrow-surface radar 1 for the first time, adjusting the distance between the installation position of the narrow-surface radar 1 and the detection target 4 according to the determined distance value range when the narrow-surface radar is used again, and preferably controlling the detection distance between the narrow-surface radar 1 and the detection target 4 to be 1 meter;
the fourth step: firstly, the microprocessor 20 carries out waveform decomposition on the acquired respiration and heart rate information to obtain a small-amplitude sine wave and a large-amplitude sine wave, wherein the obtained small-amplitude sine wave is a heart rate waveform, and the obtained large-amplitude sine wave is a respiration waveform; then, the microprocessor 20 respectively performs frequency calculation according to the peak value of the heart rate waveform and the peak value of the respiration waveform to obtain a heart rate frequency value and a respiration frequency value; the calculation formula for calculating the heart rate or the respiratory rate is as follows:
frequency 60/(waveform rise time + waveform fall time)
The fifth step: firstly, the microprocessor 20 calls a preset standard respiratory frequency value and a preset heart rate frequency value from the memory 21, and the respiratory frequency value and the heart rate frequency value recorded in the previous time, and compares and analyzes the respiratory frequency value and the heart rate frequency value calculated in the current time to judge the health state of the detection target 4;
and a sixth step: the microprocessor 20 stores the breathing frequency value and the heart rate frequency value calculated this time into the memory 21, the microprocessor 20 transmits the breathing frequency value and the heart rate frequency value calculated this time to the OLED liquid crystal screen 9 for display, the processor 20 generates a curve graph from all recorded breathing frequency values and heart rate frequency values, meanwhile, the processor 20 transmits the acquired breathing and heart rate data, the calculated breathing frequency value and heart rate frequency value, the health state of the detection target 4 and the curve graph to the cloud server 2, and the monitoring terminal 3 is used for acquiring all data stored by the cloud server 2 at any time.
Example 2:
the method for detecting the human body by applying the narrow-surface type radar intelligent monitoring breathing system comprises the following steps:
(1) the patient can lie or sit on the bed according to the self condition and faces the narrow-surface radar 1, the narrow-surface radar 1 transmits and receives electromagnetic signals to the patient, the breathing frequency value of the patient is collected and calculated, the heartbeat frequency value is collected according to the breathing frequency of the patient and the fluctuation condition of the chest and abdomen and is stored in the memory 21 of the narrow-surface radar 1 for monitoring,
(2) the microprocessor 20 displays the breathing frequency value and the heart rate frequency value of the patient in real time through the OLED liquid crystal screen 9, the microprocessor 20 calls a preset standard breathing frequency value and the heart rate frequency value from the memory 21 and the breathing frequency value and the heart rate frequency value recorded in the previous time, and compares and analyzes the breathing frequency value and the heart rate frequency value which are calculated at this time to judge the health state of the patient;
(3) the processor 20 generates a curve graph by using all recorded respiratory frequency values and heart rate frequency values, meanwhile, the processor 20 transmits acquired respiratory and heart rate data, calculated respiratory frequency values and heart rate frequency values, the health state of a patient and the curve graph to the cloud server 2, detection data are remotely checked through a computer or a mobile phone, the narrow-face radar 1 is adopted, the detection range can be accurate to 0.1 meter, only the only patient in the monitoring range can receive detection, and the respiration and heartbeat of an attendant cannot be received mistakenly.
Example 3:
the method for detecting the animal by using the narrow-plane type radar intelligent monitoring respiratory system comprises the following steps:
(1) in the cattle raising process in the animal husbandry, the narrow-face radar 1 is installed at a drinking water position of a cattle shed or a position where cattle herds need to go every day, the horn antenna 13 is aligned to the cattle or the cattle herds, and the monitoring signal receiving distance and the installation position of radar equipment are set according to the moving range and the actual condition of the cattle shed and the cattle herds;
(2) after the narrow-surface radar 1 is set, the cattle can enter a test range when drinking water, the narrow-surface radar 1 acquires the respiratory heartbeat frequency value of the cattle in real time, and the respiratory heartbeat frequency value is stored in a memory 21 of the narrow-surface radar 1 so as to be convenient for historical contrastive analysis and viewing;
(3) the microprocessor 20 displays the respiratory frequency value and the heart rate frequency value of the cow in real time through the OLED liquid crystal screen 9, the microprocessor 20 calls a preset standard respiratory frequency value and a preset heart rate frequency value from the memory 21 and the respiratory frequency value and the heart rate frequency value recorded in the previous time, and compares and analyzes the respiratory frequency value and the heart rate frequency value which are calculated at this time to judge the health state of the cow;
(4) the processor 20 generates a curve graph from all the recorded breathing frequency values and heart rate frequency values, meanwhile, the processor 20 transmits the acquired breathing and heart rate data, the calculated breathing frequency values and heart rate frequency values, the health state of the cattle and the curve graph to the cloud server 2, and the detection data are remotely checked through a computer or a mobile phone;
(5) the cloud server 2 is provided with identity number information and preset numerical values of each cow, the cloud server 2 can record and display the tested cow after each cow is tested on the same day, the narrow-face radar 1 can not test the cow again on the same day so as to avoid data repetition, if the cow is not tested, the untested number can be displayed, the untested cow is manually pulled to the narrow-face radar 1 for detection, and after the acquisition is completed, the cattle is preferentially and intensively raised according to the health condition of the cow, so that the raising cost is reduced; adopt narrow face formula radar 1, detection range area can be accurate to 0.1 meter, can be with one of them individuality of accurate transmission of electromagnetic signal, when one ox carried out information acquisition, can not influenced by the ox next door.
Claims (10)
1. The utility model provides a narrow face formula radar intelligent monitoring respiratory which characterized in that: the main structure comprises a narrow-surface radar, a cloud server and an inspection terminal; the narrow-surface radar adopts a digital radar structure, the detection range of the narrow-surface radar can be adjusted, the detection range can be accurate to 0.1 meter, and the narrow-surface radar is used for collecting and processing the respiration and heart rate information of a detection target; the narrow-surface radar is in electrical information connection with the cloud server, the cloud server is used for storing detection data and results of the narrow-surface radar, the cloud server is in electrical information connection with the inspection terminal, and the inspection terminal is used for checking the data stored by the cloud server.
2. The narrow-face radar intelligent monitoring respiratory system of claim 1, wherein: the narrow-surface radar comprises an information acquisition module, an information processing module and a result transmission module; the output end of the information acquisition module is electrically and information connected with the receiving end of the information processing module, and the output end of the information processing module is electrically and information connected with the receiving end of the result transmission module; the cloud server is provided with an information storage module, a receiving end of the information storage module is in electrical information connection with an output end of the result transmission module, the inspection terminal is provided with an information acquisition module, and the receiving end of the information acquisition module is in electrical information connection with the output end of the information storage module.
3. The narrow-face radar intelligent monitoring respiratory system of claim 2, wherein: the information acquisition module is used for acquiring respiratory heartbeat frequency information of the detection target, filtering the acquired information, calculating a real-time value of an actual distance between the detection target and the narrow-surface radar, and transmitting the respiratory heartbeat frequency and the real-time value to the information processing module;
the information processing module is used for storing a real-time value of the actual distance, analyzing and processing the obtained data to obtain a heart rate frequency value and a breathing frequency value, and judging the health condition of the detection target according to the obtained heart rate frequency value and breathing frequency value;
the result transmission module is used for assisting the information processing module to transmit the acquired data information, the detected heart rate frequency value, the detected breathing frequency value and the health condition to the cloud server;
the information storage module is used for storing data information transmitted by the narrow-area radar;
the information acquisition module is used for calling the data information stored by the information storage module.
4. The narrow-face radar intelligent monitoring respiratory system of claim 3, wherein: the narrow-surface radar comprises a shell, an OLED liquid crystal display, an audio interface, an HDMI interface, a power interface, a horn antenna, a radar chip, a first USB interface, a second USB interface, an Ethernet interface, a fixed column, a main board, a microprocessor, a memory, a WIFI module, a 4G module and an Ethernet card module; an OLED liquid crystal screen is fixedly arranged on the right side of the upper end face of the shell of the square structure; a horn antenna with a truncated cone-shaped barrel-shaped structure is arranged on the left side of the upper end face of the shell, and the narrow bottom face of the horn antenna is fixedly connected with the upper end face of the radar chip; the four end corners of the radar chip are fixedly connected with the fixed columns, and the lower ends of the fixed columns are fixedly connected with the lower end face of the shell; the main board is positioned at the lower end of the radar chip and is fixed at the bottom of the shell; a microprocessor is fixedly arranged on the mainboard and is in electrical information connection with the radar chip; the mainboard is also fixedly provided with a memory which is in electrical information connection with the microprocessor; an Ethernet card module is arranged on the right side of the mainboard, the Ethernet card module is respectively in electrical information connection with the microprocessor and an Ethernet interface, and the Ethernet interface is fixedly arranged on the lower part of the right side wall of the shell; a WIFI module and a 4G module are also arranged on the right side of the mainboard; the right side wall of the shell is also fixedly provided with a first USB interface and a second USB interface, and the first USB interface and the second USB interface are respectively in electrical information connection with the microprocessor; the lower part of the front end surface of the shell is fixedly provided with a power interface which is electrically connected with the microprocessor; the right side of the power supply interface is fixedly provided with an HDMI interface which is in electrical information connection with the microprocessor; the right side of HDMI interface is fixed with the audio interface, and the audio interface is connected with microprocessor telematic.
5. The narrow-face radar intelligent monitoring respiratory system of claim 4, wherein: the wide bottom surface of the horn antenna penetrates out of the upper end casing wall of the casing, the wide bottom surface of the horn antenna and the upper end surface of the casing are in the same horizontal plane, the range of the horn antenna is set according to the distance range between a detection target and the narrow-surface radar, and the range band of the horn antenna is adjusted through a narrow-surface radar external computer; the inclination value of the horn antenna is 10 degrees, the height value of the horn antenna 13 is 3 centimeters, and the farthest distance of signal transmission and reception of the horn antenna reaches 1.2 meters at most.
6. The narrow-face radar intelligent monitoring respiratory system of claim 5, wherein: the detection distance between the position of a horn antenna of the narrow-area radar and a detection target is 1 meter.
7. The narrow-face radar intelligent monitoring respiratory system of claim 5, wherein: the OLED liquid crystal display, the horn antenna and the radar chip are combined to form an information acquisition module, the microprocessor and the memory are combined to form an information processing module, and the HDMI, the Ethernet interface, the WIFI module, the 4G module and the Ethernet card module are combined to form a result transmission module.
8. The narrow-face radar intelligent monitoring respiratory system of claim 7, wherein: the microprocessor adopts a 64-bit processor with 4 cores and 1.4GHZ, the first USB interface and the second USB interface are respectively used for externally connecting a mouse and a keyboard, the power supply interface is used for externally connecting a power supply, the HDMI interface is used for externally connecting a display, and the audio interface is used for externally connecting audio equipment to output voice alarm prompt information.
9. The narrow-face radar intelligent monitoring respiratory system of claim 8, wherein: the narrow-surface type radar intelligent monitoring breathing system comprises the following specific working steps:
the first step is as follows: installing the narrow-surface radar in a place where a detection target is located, wherein the maximum detection distance between the installation position of the narrow-surface radar and the detection target is not more than 1.2 m, and adjusting a detection range band by the narrow-surface radar through a computer;
the second step is that: firstly, a horn antenna collects the respiration and heart rate information of a detection target by sending and receiving electromagnetic signals, the horn antenna transmits the collected respiration and heart rate information to a radar chip, then the radar chip carries out filtering processing on the collected respiration and heart rate information, meanwhile, the radar chip calculates the actual distance value between the detection target and a narrow-face radar according to the time difference value of the sending and receiving electromagnetic signals, and finally, the radar chip transmits the filtered respiration and heart rate information and the actual distance value to a microprocessor;
the third step: the microprocessor and the like store the obtained actual distance values into the memory at equal time intervals, and the time intervals can be set to be 2 seconds; determining a distance value range with high actual distance value distribution probability according to all actual distance values acquired by using the narrow-surface radar for the first time, adjusting the distance between the installation position of the narrow-surface radar and a detection target according to the determined distance value range when the narrow-surface radar is used again, and controlling the detection distance between the narrow-surface radar and the detection target to be 1 m;
the fourth step: firstly, the microprocessor carries out waveform decomposition on the acquired respiration and heart rate information to obtain a small-amplitude sine wave and a large-amplitude sine wave, wherein the obtained small-amplitude sine wave is a heart rate waveform, and the obtained large-amplitude sine wave is a respiration waveform; then, the microprocessor respectively carries out frequency calculation according to the peak value of the heart rate waveform and the peak value of the respiration waveform to obtain a heart rate frequency value and a respiration frequency value; the calculation formula for calculating the heart rate or the respiratory rate is as follows:
frequency 60/(waveform rise time + waveform fall time);
the fifth step: firstly, the microprocessor calls a preset standard respiratory frequency value and a preset heart rate frequency value from a memory, and the respiratory frequency value and the heart rate frequency value recorded in the previous time, and compares and analyzes the respiratory frequency value and the heart rate frequency value calculated in the current time to judge the health state of a detected target;
and a sixth step: the microprocessor stores the calculated respiratory frequency value and the calculated heart rate frequency value into the memory, the microprocessor transmits the calculated respiratory frequency value and the calculated heart rate frequency value to the OLED liquid crystal screen for display, the processor generates a curve graph of all the recorded respiratory frequency values and heart rate frequency values, and simultaneously transmits the acquired respiratory and heart rate data, the calculated respiratory frequency value and heart rate frequency value, the health state of the detection target and the curve graph to the cloud server, and the monitoring terminal is used for acquiring all data stored by the cloud server at any time.
10. The narrow-face radar intelligent monitoring respiratory system of claim 9, wherein: narrow face formula radar intelligent monitoring respiratory can use the medical field to detect patient, also can be applied to animal husbandry and detect the animal.
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