CN114569107A - Human motion, heartbeat and respiration monitoring system based on millimeter waves - Google Patents
Human motion, heartbeat and respiration monitoring system based on millimeter waves Download PDFInfo
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- CN114569107A CN114569107A CN202210199099.7A CN202210199099A CN114569107A CN 114569107 A CN114569107 A CN 114569107A CN 202210199099 A CN202210199099 A CN 202210199099A CN 114569107 A CN114569107 A CN 114569107A
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- millimeter wave
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing
Abstract
The invention provides a millimeter wave-based human body motion, heartbeat and respiration monitoring system, which comprises a vital sign detection mechanism, wherein the vital sign detection mechanism is respectively arranged on an installation support in the human body movement range, the installation support is triangular in shape, shock absorption pads are arranged at the corners of the bottom of the installation support, a circular support plate is arranged in the middle of the top end of the installation support, a circular nut is arranged in the middle of the top end of the disc surface of the circular support plate, and a sleeve is arranged in the middle of the top end of the circular nut in a threaded manner, the millimeter wave-based human body motion, heartbeat and respiration monitoring system comprises a vital sign detection mechanism, wherein the vital sign detection mechanism is arranged on the installation support in the human body movement range, the circular nut is arranged in the middle of the disc surface of the circular support plate, and a sleeve is arranged in the middle of the top end of the circular nut in a threaded manner: the method can be conveniently applied to health and activity monitoring radar data and monitoring maps in private places such as hospitals, offices and families for verification and acquisition respectively, and dual privacy safety is provided from the mechanism. Through millimeter wave sign detection case, conveniently make the access with data, combine the convenient speed that will obtain of vital sign radar still to include all motion components. By performing a doppler FFT to perform spectral analysis on the obtained velocity, various components can be resolved.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to a millimeter wave-based human motion, heartbeat and respiration monitoring system.
Background
People hope that the higher the digitization degree is, the better the digitization degree is, the other side also faces the more serious privacy safety problem, the traditional monitoring means generally uses a camera, but in recent years, the privacy leakage problem caused by the camera is frequently reported; the breathing heartbeat is generally measured in a contact manner by using a medical device or a bracelet, but the contact measurement invisibly increases the constraint on the human body.
The millimeter wave radar can well meet the requirements of the people 2 above and well avoid the existing problems. The millimeter wave monitoring radar is used for monitoring indoor movement, and indoor activity conditions are not leaked; the millimeter wave respiration heartbeat radar can be used for carrying out health monitoring on a respiration heartbeat area needing to be monitored. But single sensors have limited functionality.
The system organically integrates the millimeter wave monitoring radar and the respiration heartbeat radar, so that the effect that 1+1> 2 is achieved, and privacy requirements are considered while health monitoring is convenient and unified through a BS framework.
Disclosure of the invention
The invention aims to provide a millimeter wave-based human motion, heartbeat and respiration monitoring system, so as to solve the problem that a millimeter wave radar can well meet the requirements of the people 2 above and well avoid the existing problems. The millimeter wave monitoring radar is used for monitoring indoor movement, and indoor activity conditions are not leaked; the millimeter wave respiration heartbeat radar can be used for carrying out health monitoring on the respiration heartbeat area needing to be monitored. But the single sensor has limited function.
In order to achieve the purpose, the invention provides the following technical scheme: a human motion, heartbeat and respiration monitoring system based on millimeter waves comprises a vital sign detection mechanism, wherein the vital sign detection mechanism is respectively arranged on an installation support in the range of human activity, the installation support is triangular in shape, shock absorption pads are arranged at the bottom corners of the installation support, a round support plate is arranged in the middle of the top end of the installation support, a round nut is arranged in the middle of the top end of the disc surface of the round support plate, a sleeve is arranged in the middle of the top end of the round nut in a threaded manner, a connecting support rod is telescopically inserted in the middle of the top end of the tube body of the sleeve, a millimeter wave sign detection box is arranged at the top end of the connecting support rod, the box body of the millimeter wave sign detection box is square in shape, a vital sign radar is arranged in the box body of the millimeter wave sign detection box, and the vital sign radar is arranged in the box body of the millimeter wave sign detection box, the vital sign radar is including being used for to patient's chest region transmission chirp ware, wherein chirp ware is noninductive multifrequency section transmitter, chirp ware's receiving terminal is the Doppler FFT receiver, vital sign radar still includes non-contact rhythm of the heart detection module, respiratory rate millimeter wave radar sensing module, non-contact rhythm of the heart detection module tin welding sets up the inside at chirp ware, respiratory rate millimeter wave radar sensing module and non-contact rhythm of the heart detection module both way set up, Doppler FFT receiver frequency spectrum frequency channel is adjustable, more than one of chirp ware, chirp ware's frequency of detection is: 23.5-27.5 GHz, the detection angle is as follows: -42 to +42 degree (horizontal) -40 to +20 degree (vertical), and the measuring distance is 0.3 to 4 m.
As a preferred scheme of the invention: the box both sides side of millimeter wave sign detection case is opened and is equipped with the heat dissipation trompil, wherein the hole site both sides side of heat dissipation trompil all corresponds the block and is equipped with the flitch, the inside fixed mounting of face of flitch has square case, the box lateral wall of square case has seted up a plurality of strip trompil of breathing in proper order, the inside of millimeter wave sign detection case embeds there is the PCB circuit board, wherein the circuit has been soldered on the face of PCB circuit board, a plurality of millimeter wave radar has been laid respectively on the surface of circuit, wherein the millimeter wave radar is by MMIC chip, PCB board, and antenna, transceiver module, signal processing module, transmitter, acceptor, voltage-controlled whole ware, amplifier, arithmetic unit, bus and ECU are constituteed.
As a preferred scheme of the invention: the transmitter and the receiver are bidirectionally connected with the voltage-controlled oscillator, the antenna, the transceiver module and the amplifier are bidirectionally arranged, the signal processing module and the operation unit are bidirectionally arranged, and the ECU and the MMIC chip are bidirectionally arranged;
the millimeter wave radar also comprises a radio frequency front end, wherein the radio frequency front end is arranged at one end of the Doppler FFT receiver, and comprises a receiving antenna, a linear VCO, an amplifier and a balanced frequency mixer.
As a preferable scheme of the invention: wherein the radio frequency front end is provided with square case, the top both sides side of radio frequency front end all pastes and tightly is provided with a plurality of linear VCO, the positive surface of radio frequency front end inlays and is equipped with the amplifier, balanced mixer is installed to the avris of amplifier, the bottom avris of amplifier is provided with places the bracket, the surface of balanced mixer all pastes and tightly is equipped with square frame.
As a preferred scheme of the invention: the power of the millimeter wave radar is 25dbm, the frequency is 76-77GHz, the detection angle is +/-75 degrees, the working voltage is 12V, the radiation wave band of the millimeter wave radar is a continuous triangular wave band, the waveforms of the reflection signal and the transmission signal of the millimeter wave radar are the same, the frequency difference between the transmission signal and the reflection signal is the intermediate frequency fb of the mixed frequency output, and a protective cover covers the surface of the Doppler FFT receiver.
As a preferred scheme of the invention: the externally mounted of radio frequency front end has the shell, wherein the top avris of shell is provided with receiving antenna, receiving antenna's bottom both sides avris all is provided with the connecting pad, and is a plurality of millimeter wave radar's the back and doppler FFT receiver electric connection.
As a preferred scheme of the invention: one end of the tube body positioned on the sleeve is connected with a data bus, one side of the data bus is provided with a data access platform used for data control, the data access platforms are electrically connected through a data line, wherein the middle part of the table body of the data access table is provided with a server placing area for activity control, the groove position of the square groove, the surface of the groove position of the square groove is tightly adhered with a square plate, the middle part of the plate surface of the square plate is provided with a data access computer, wherein the surface of the data access computer is correspondingly and tightly provided with a plurality of display screens, the two sides of the data access platforms are correspondingly provided with storage servers, one end of the storage server is connected with a data storage cabinet through a wireless data network, and a placing frame is fixedly mounted at one end of the data storage cabinet.
As a preferred scheme of the invention: the data access platform is characterized in that a supporting base is arranged at the bottom of a table top of the data access platform, a data transmission module is arranged on the surface of the supporting base, a wireless data access module is arranged at one end of the data transmission module, and one end of the wireless data access module is arranged in a two-way mode with a mobile client through a wireless data network.
Compared with the prior art, the invention has the beneficial effects that:
1) the invention provides a health monitoring system without invading privacy, which can be conveniently applied to the respective verification and acquisition of health and activity monitoring radar data and monitoring maps in privacy places such as hospitals, offices, families and the like, and provides double privacy safety from mechanism. The method has the advantages of flexible deployment, strong expansibility, visualization, simple and convenient operation and the like, data can be conveniently accessed through the millimeter wave sign detection box, and the obtained speed still comprises all motion components by combining the vital sign radar. By performing a doppler FFT to perform spectral analysis on the obtained velocity, various components can be resolved;
2) convenient data analysis of going on of vital sign radar through setting up, the linear frequency modulation pulser of setting, so that the in-process transmission that detects at data is used for human vital sign's detection, the linear frequency modulation pulser of setting, at the in-process that carries out data detection, do the millisecond with human vital sign data and detect, and obtain human vital sign data, the millimeter wave radar of setting, at the in-process of doing data feedback, the access to between the data has been reached, through non-contact rhythm of the heart detection module so that accomplish further detection with data, the respiratory rate millimeter wave radar sensing mode of setting is when daily use, can accomplish the record feedback with the data of personnel's breathing heartbeat class.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic structural diagram of a millimeter wave sign detection box according to the present invention;
FIG. 3 is a schematic structural diagram of a vital sign radar of the present invention;
fig. 4 is a schematic structural diagram of the millimeter wave radar of the present invention.
In the figure: 1. a vital sign detection mechanism; 11. mounting a bracket; 12. a shock pad; 13. a circular support disc; 14. a round nut; 15. a sleeve; 16. connecting a support rod; 2. a millimeter wave sign detection box; 21. a vital sign radar; 22. a chirp generator; 23. a Doppler FFT receiver; 24. a non-contact heart rate detection module; 25. a respiration rate millimeter wave radar sensing module; 26. a circuit; 27. a millimeter wave radar; 3. a radio frequency front end; 31. a receiving antenna; 32. a linear VCO; 33. an amplifier; 34. a balanced mixer; 4. a data bus; 41. a data access station; 42. a server placement area; 43. a square plate; 44. Data access to a computer; 45. a display screen; 46. a storage server; 47. a data storage cabinet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a human body movement, heartbeat and respiration monitoring system based on millimeter waves comprises a vital sign detection mechanism 1, wherein the vital sign detection mechanism 1 is respectively arranged on a mounting bracket 11 in the human body movement range, the mounting bracket 11 is triangular in shape, shock absorption pads 12 are respectively arranged at the bottom corners of the mounting bracket 11, a round supporting plate 13 is arranged in the middle of the top end of the mounting bracket 11, a round nut 14 is arranged in the middle of the top end of the disc surface of the round supporting plate 13, a sleeve 15 is arranged in the middle of the top end of the round nut 14 in a threaded manner, a connecting support rod 16 is telescopically inserted in the middle of the top end of a tube body of the sleeve 15, a millimeter wave sign detection box 2 is arranged at the top end of the connecting support rod 16, the box body of the millimeter wave sign detection box 2 is square in shape, a vital sign radar 21 and a vital sign radar 21 are arranged inside the box body of the millimeter wave sign detection box 2, the vital sign radar 21 comprises a chirp device 22 for transmitting chirp to the chest area of a patient, wherein the chirp device 22 is an noninductive multiband transmitter, the receiving end of the chirp device 22 is a doppler FFT receiver 23, the vital sign radar 21 further comprises a non-contact heart rate detection module 24 and a respiration rate millimeter wave radar sensing module 25, the non-contact heart rate detection module 24 is soldered inside the chirp device 22, the respiration rate millimeter wave radar sensing module 25 is bidirectionally arranged with the non-contact heart rate detection module 24, the frequency spectrum frequency band of the doppler FFT receiver 23 is adjustable, more than one chirp device 22, and the detection frequency of the chirp device 22 is: 23.5-27.5 GHz, and the detection angle is as follows: the horizontal angle is-42 degrees to +42 degrees and the vertical angle is-40 degrees to +20 degrees, and the measuring distance is 0.3 to 4 m.
In this embodiment: millimeter wave sign detection case 2's box both sides side is opened and is equipped with the heat dissipation trompil, wherein the both sides of hole site of heat dissipation trompil all correspond the block and be equipped with the attaching plate, the inside fixed ann of face of attaching plate is equipped with square case, the box lateral wall of square case has seted up a plurality of strip trompil of breathing in proper order, the inside of millimeter wave sign detection case 2 is built-in to have the PCB circuit board, wherein the face of PCB circuit board has soldered circuit 26, a plurality of millimeter wave radar 27 has been laid respectively on the surface of circuit 26, wherein millimeter wave radar 27 is by the MMIC chip, the PCB board, the antenna, transceiver module, signal processing module, the transmitter, the acceptor, the pressure control is put the ware of swinging entirely, amplifier 33, the arithmetic unit, bus and ECU constitute.
A plurality of soldering circuits are conveniently arranged on the circuit board in a soldering mode through the arranged PCB, data sensed in the front are conducted mutually by combining the MMIC chip and the antenna arranged above, and the arranged voltage-controlled oscillator emits linear frequency modulation pulses to the chest area of a patient when data are adjusted through the vital sign radar 21. Due to the motion of the chest, the reflected signal is phase modulated. Modulation encompasses all components of motion, including heartbeat and respiration induced motion. The radar transmits a plurality of chirps according to a predetermined time interval in order to combine the plurality of data for analysis purposes.
In this embodiment: the emitter and the receiver are bidirectionally connected with the voltage-controlled oscillator, the antenna, the transceiving module and the amplifier 33 are bidirectionally arranged, the signal processing module and the arithmetic unit are bidirectionally arranged, and the ECU and the MMIC chip are bidirectionally arranged;
the millimeter wave radar 27 further comprises a radio frequency front end 3, the radio frequency front end 3 is installed at one end of the doppler FFT receiver 23, and the radio frequency front end 3 comprises a receiving antenna 31, a linear VCO32, an amplifier 33, and a balanced mixer 34.
The adopted millimeter wave radar 27 emits directional millimeter waves with corresponding wave bands through the transmitting antenna, when the millimeter waves meet an obstacle target, the millimeter waves are reflected back, the reflected millimeter waves are received through the receiving antenna 31, according to the Doppler effect, the frequency change of the millimeter wave radar 27, the relative speed of the transmitting end and the tracking target are closely related, and according to the change of the frequency of the reflected millimeter waves, Shanxi love you have detection application on the data wave bands.
In this embodiment: wherein radio frequency front end 3 is provided with square case, and the top both sides of radio frequency front end 3 all pastes and tightly is provided with a plurality of linear VCO32, and amplifier 33 is inlayed on the positive surface of radio frequency front end 3, and balanced mixer 34 is installed to amplifier 33's avris, and amplifier 33's bottom avris is provided with places the bracket, and balanced mixer 34's surface all pastes and tightly is equipped with square frame.
The intermediate frequency signal output by the front-end mixing is amplified by the intermediate frequency and sent to the post-stage data processing part. The basic target of the data processing part is to eliminate unnecessary signals such as clutter and interference signals, and process the mixed signal amplified by the intermediate frequency, and extract information such as target distance and speed from the signal spectrum.
In this embodiment: the power of the millimeter wave radar 27 is 25dbm, the frequency is 76-77GHz, the detection angle is +/-75 degrees, the working voltage is 12V, the radiation waveband of the millimeter wave radar 27 is a continuous triangular waveband, the waveforms of the reflection and the transmission signals of the millimeter wave radar 27 are the same, the frequency difference between the transmission signal and the reflection signal is the intermediate frequency fb of the mixed frequency output, and a protective cover covers the surface of the Doppler FFT receiver 23.
Each pulse is subjected to a range fast setup transform FFT and a range bin corresponding to the position of the chest of the person is selected. Each chirp records the phase of the signal over the selected distance. From this, the phase change is calculated and thus the speed is derived. The obtained velocity still includes all motion components. By performing a doppler FFT to perform spectral analysis on the obtained velocity, various components can be resolved.
In this embodiment: the radio frequency front end 3 is externally provided with a housing, wherein the top side of the housing is provided with a receiving antenna 31, two sides of the bottom of the receiving antenna 31 are provided with connecting pads, and the back surfaces of the millimeter wave radars 27 are electrically connected with the doppler FFT receiver 23.
The adopted receiving antenna 31 achieves the extensive operation of the millimeter wave radar 27 under the adjustment effect of the data, so as to realize the regulation and control of the data.
In this embodiment: one end of the tube body of the sleeve 15 is connected with a data bus 4, one end of the data bus 4 is provided with a data access platform 41 for data control, the data access platforms 41 are electrically connected through data wires, wherein, the middle part of the body of the data access platform 41 is provided with a server placing area 42 for active control, the slot position of the server placing area 42, the surface of the slot position of the server placing area 42 is closely provided with a square plate 43, the middle part of the plate surface of the square plate 43 is provided with a data access computer 44, wherein, the surface of the data access computer 44 is correspondingly provided with a plurality of display screens 45, the two sides of the data access platforms 41 are correspondingly provided with storage servers 46, one end of the storage server 46 is connected to a data storage cabinet 47 through a wireless data network, and a placement frame is fixedly mounted at one end of the data storage cabinet 47.
The data access computer 44 is used for storing the front data, and the data storage cabinet 47 is arranged, so that the data can be stored
The adjustment between the structures is achieved by the adjustment of the set data access computer 44, and the set data storage cabinet 47 is arranged.
In this embodiment: the bottom of the table top of the data access table 41 is provided with a support base, the surface of the support base is provided with a data transmission module, one end of the data transmission module is provided with a wireless data access module, and one end of the wireless data access module is arranged in a bidirectional mode with the mobile client through a wireless data network.
The data is conveniently stored through the arranged data access platform 41, and the data is stored after the arranged wireless data access module.
Firstly, the radar sends monitoring data to a storage server 46 through a data bus, the monitoring data are analyzed and monitored through the storage server 46 uniformly, then the data send a monitoring request to the server from a client side, a data access computer 44 returns a response and acquires verification information, if the verification is passed, the server displays the data to the client side according to the authority, and because the detection information of the millimeter wave radar 27 does not relate to images or body information, the millimeter wave radar can be conveniently applied to private spaces such as changing rooms, toilets, bedrooms and the like, and users can easily monitor the data and directly inform that the service is disconnected;
the client can customize the radar monitoring area to display the map and upload the map to the server during working, and relative coordinate display can be performed without the map. The radar map can be acquired through the server or imported and acquired by a local map file, and privacy confidentiality can be further improved because the map and the radar data are acquired separately;
the client can locally edit, save and upload map and radar installation information; in consideration of flexibility and convenience of use, the map file storage, updating and downloading functions are opened at the server side, and the map, the radar setting authority and the service login are independently verified and are orthogonal and independent. The client can acquire radar data after radar data verification, can acquire a map and radar configuration information after map configuration verification, or can directly upload and display related information from local;
monitoring the millimeter wave radar 27 provides the target motion status, velocity, and relative radar position. The heartbeat breath radar can provide breath and heartbeat values of a human body in a detection area, 2 radars are collected to a server through a data bus, and the server can draw a motion track according to radar information and monitor the work of the linear frequency modulation pulser 22 in a linkage mode;
the client can draw an alarm area on line or upload an alarm area file, and can also download the alarm area file for the next use, and once moving objects move to a monitoring area, the alarm function (sound and light, telephone, short message and the like) of the server can be triggered;
when the living body moves to the respiration rate millimeter wave radar sensing module 25, the non-contact heart rate detection module 24 is triggered, the server monitors data according to a preset respiration heart rate threshold value, and alarms (such as reporting to an emergency center) when an abnormal value occurs.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. Human motion, heartbeat, respiration monitoring system based on millimeter wave, including vital sign detection mechanism (1), its characterized in that, vital sign detection mechanism (1) is divided and is established installing support (11) in human home range, the appearance of installing support (11) is three horn shapes, the bottom edge of installing support (11) all is equipped with shock pad (12), the top middle part of installing support (11) is provided with circular supporting disk (13), circular nut (14) have been seted up at the quotation top middle part of circular supporting disk (13), the top middle part threaded mounting of circular nut (14) has sleeve pipe (15), wherein the body top middle part of sleeve pipe (15) is flexible to be alternated and is equipped with connecting stay bar (16), millimeter wave sign detection case (2) is installed on the top of connecting stay bar (16), the box appearance of millimeter wave sign detection case (2) is square, wherein the inside vital sign radar (21) that is provided with of box of millimeter wave sign detection case (2), vital sign radar (21) is including being used for to patient's chest region transmission chirp ware (22), wherein chirp ware (22) are non-inductive multiband transmitter, the receiving end of chirp ware (22) is Doppler FFT receiver (23), vital sign radar (21) still includes non-contact heart rate detection module (24), respiratory rate millimeter wave radar sensing module (25), non-contact heart rate detection module (24) soldering sets up in the inside of chirp ware (22), respiratory rate radar sensing module (25) and non-contact heart rate detection module (24) two-way setting, Doppler receiver (23) frequency spectrum adjustable millimeter wave, more than one of said chirpers (22), the detection frequency of said chirpers (22) being: 23.5-27.5 GHz, the detection angle is: -42 to +42 degree (horizontal) -40 to +20 degree (vertical), and the measuring distance is 0.3 to 4 m.
2. The millimeter wave based human motion, heartbeat, and respiration monitoring system of claim 1, wherein: the box both sides side of millimeter wave sign detection case (2) is opened and is equipped with heat dissipation trompil (24), wherein the hole site both sides side of heat dissipation trompil (24) all corresponds the block and is equipped with the attaching plate, the inside fixed mounting of face of attaching plate has square case, the box lateral wall of square case has seted up a plurality of strip trompil of breathing in proper order, the inside of millimeter wave sign detection case (2) embeds there is the PCB circuit board, wherein solder has welded circuit (26) on the face of PCB circuit board, a plurality of millimeter wave radar (27) have been laid respectively on the surface of circuit (26), wherein millimeter wave radar (27) are by MMIC chip, PCB board, antenna, transceiver module, signal processing module, transmitter, receiver, voltage-controlled whole ware, amplifier (33), arithmetic unit, bus and ECU constitute.
3. The millimeter wave based human motion, heartbeat, and respiration monitoring system of claim 2, wherein: the transmitter and the receiver are bidirectionally connected with the voltage-controlled oscillator, the antenna, the transceiver module and the amplifier (33) are bidirectionally arranged, the signal processing module and the arithmetic unit are bidirectionally arranged, and the ECU and the MMIC chip are bidirectionally arranged;
the millimeter wave radar (27) further comprises a radio frequency front end (3), the radio frequency front end (3) is arranged at one end of the Doppler FFT receiver (23), and the radio frequency front end (3) comprises a receiving antenna (31), a linear VCO (32), an amplifier (33) and a balanced mixer (34).
4. The millimeter wave based human motion, heartbeat, and respiration monitoring system of claim 3, wherein: wherein radio frequency front end (3) are provided with square case (31), the top both sides side of radio frequency front end (3) all pastes and tightly is provided with a plurality of linear VCO (32), the positive surface of radio frequency front end (3) inlays and is equipped with amplifier (33), balanced mixer (34) are installed to the avris of amplifier (33), the bottom avris of amplifier (33) is provided with places the bracket, the surface of balanced mixer (34) all pastes and tightly is equipped with square frame.
5. The millimeter wave based human motion, heartbeat, and respiration monitoring system of claim 3, wherein: the power of the millimeter wave radar (27) is 25dbm, the frequency is 76-77GHz, the detection angle is +/-75 degrees, the working voltage is 12V, the radiation wave band of the millimeter wave radar (27) is a continuous triangular wave band, the waveforms of the reflection and the transmission signals of the millimeter wave radar (27) are the same, the frequency difference between the transmission signal and the reflection signal is the intermediate frequency fb of the mixed frequency output, and a protective cover covers the surface of the Doppler FFT receiver (23).
6. The millimeter wave based human motion, heartbeat, and respiration monitoring system of claim 3, wherein: the externally mounted of radio frequency front end (3) has the shell, wherein the top avris of shell is provided with receiving antenna (31), the bottom both sides avris of receiving antenna (31) all is provided with the connecting pad, and is a plurality of the back and the doppler FFT receiver (23) electric connection of millimeter wave radar (27).
7. The millimeter wave based human motion, heartbeat, and respiration monitoring system of claim 1, wherein: one end of the pipe body positioned on the sleeve (15) is connected with a data bus (4), one side of the data bus (4) is provided with a data access platform (41) used for data control, the data access platforms (41) are electrically connected through a data line, the middle of the platform body of the data access platform (41) is provided with a server placing area (42) used for active control, the slot position of the square slot (42), the surface of the slot position of the square slot (42) is tightly attached with a square plate (43), the middle of the plate surface of the square plate (43) is provided with a data access computer (44), the surface of the data access computer (44) is correspondingly and tightly attached with a plurality of display screens (45), the two side sides positioned on the plurality of data access platforms (41) are correspondingly provided with storage servers (46), wherein one end of the storage server (46) is communicated with a data storage cabinet (47) through a wireless data network, one end of the data storage cabinet (47) is fixedly provided with a placing frame.
8. The millimeter wave based human motion, heartbeat, respiration monitoring system of claim 7, wherein: the data access platform comprises a data access platform (41), and is characterized in that a supporting base is arranged at the bottom of a table board of the data access platform, a data transmission module is arranged on the surface of the supporting base, a wireless data access module is arranged at one end of the data transmission module, and one end of the wireless data access module is arranged in a bidirectional mode with a mobile client through a wireless data network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210199099.7A CN114569107A (en) | 2022-03-02 | 2022-03-02 | Human motion, heartbeat and respiration monitoring system based on millimeter waves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210199099.7A CN114569107A (en) | 2022-03-02 | 2022-03-02 | Human motion, heartbeat and respiration monitoring system based on millimeter waves |
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|---|---|
| CN114569107A true CN114569107A (en) | 2022-06-03 |
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|---|---|---|---|
| CN202210199099.7A Withdrawn CN114569107A (en) | 2022-03-02 | 2022-03-02 | Human motion, heartbeat and respiration monitoring system based on millimeter waves |
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| Country | Link |
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| CN (1) | CN114569107A (en) |
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2022
- 2022-03-02 CN CN202210199099.7A patent/CN114569107A/en not_active Withdrawn
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Application publication date: 20220603 |