448 results about "Contact sensor" patented technology

The invention relates to the technical field of equipment state monitoring, in particular to an emergency cut-off valve bolt looseness detection method and system based on multi-modal fusion. The method specifically comprises the following steps of multi-source data synchronous acquisition, accelerometer installation and data processing, environmental adaptability preprocessing, bolt area optical flow feature extraction, Kalman filtering multi-source fusion, bolt looseness detection and loose bolt positioning. According to the emergency cut-off valve bolt looseness detection method based on multi-modal fusion, online, automatic and real-time accurate monitoring and early warning are achieved, the reliability and the anti-jamming capability of the system are remarkably improved, a high-precision and quantifiable objective diagnosis result is provided, good economical efficiency and large-scale deployment feasibility are achieved, and the method is suitable for popularization and application. The industrial pain point that a traditional contact type sensor scheme is difficult to apply to an industrial site with a large number of bolts in a large scale due to too high cost and technical complexity is effectively solved.

The invention relates to the technical field of elevators, in particular to an elevator traction machine vibration reconstruction method and system based on a millimeter wave radar. The method comprises the steps that in the elevator running process, echo signals of a millimeter wave radar are collected; firstly, a continuous phase sequence is obtained through echo signals; generating a rough vibration signal in a radar sight line direction according to a phase-displacement mapping relation, calculating a physical confidence coefficient, constructing a dual-channel physical prior tensor, synthesizing a three-axis reconstruction vibration signal tensor by using a PGGN physical gating generation network, and finally performing physical rationality evaluation on the three-axis reconstruction vibration signal tensor. And adjusting the gating parameters of the anisotropic physical gating unit according to the evaluation result. On the premise that a contact sensor does not need to be installed on the surface of the traction machine for a long time, physical consistency reconstruction of the three-axis vibration signals of the elevator traction machine is achieved.

The invention discloses a child mouth breathing monitoring method, device and equipment and a medium, and the method comprises the steps that a non-contact sensor group is used for synchronously collecting multi-mode physiological data of a target child in the sleep period, and the multi-mode physiological data at least comprises a face thermal imaging video stream, a thoracic and abdominal micro-motion signal and an environment audio signal; the multi-modal physiological data is processed, multi-modal features related to respiration are extracted respectively, and the multi-modal features comprise thermodynamic change features of mouth and nose areas extracted based on a face thermal imaging video stream, respiratory effort waveforms extracted based on thoracic and abdominal micro-motion signals, and the respiratory effort waveforms extracted based on the thoracic and abdominal micro-motion signals; extracting a sound source spatial position and a spectrum feature of breathing sound based on the environment audio signal; inputting the multi-modal features into a pre-trained mouth breathing recognition model, and outputting a judgment result of the functional mouth breathing event of the target child within a specific time period; and generating a mouth breathing monitoring report of the target child based on the judgment result.

The invention provides an equipment vibration measurement device based on machine vision and a laser radar. The equipment vibration measurement device comprises a collaborative sensing system, a visual vibration inversion module, a multi-modal feature fusion and fault knowledge base module and an edge end lightweight intelligent diagnosis module. The collaborative sensing system is used for collecting a video stream of a target area and providing an absolute displacement reference; the visual vibration inversion module is used for processing the video stream to generate a vibration spectrogram; the multi-modal feature fusion and fault knowledge base module is used for constructing a multi-dimensional feature vector and a feature knowledge base; and the edge end lightweight intelligent diagnosis module is used for identifying a fault type and outputting a diagnosis result and confidence. According to the invention, non-contact, high-precision and full-automatic vibration state sensing and fault diagnosis are realized, the core target is to completely get rid of the dependence on a contact sensor, the limitation of a pure vision scheme in a complex industrial environment is overcome, and finally millisecond-level real-time fault identification and early warning are realized on the edge side with limited resources.

The utility model discloses a tray contact type redundancy in-place detection device of a bidirectional telescopic pallet fork. The tray contact type redundancy in-place detection device comprises a bottom plate, a left contact plate, a right contact plate, a spring, a pin shaft, an induction type sensor and a contact type sensor. The two ends of the left contact plate and the two ends of the right contact plate are respectively provided with two sets of concentric round holes, one set of holes of the left contact plate and one set of holes of the right contact plate are hinged together through a pin shaft, the whole bottom plate is in a U shape, the two ends of the bottom plate are provided with through kidney-shaped grooves, and the other set of round holes of the left contact plate and the other set of round holes of the right contact plate can move in notches of the bottom plate through pin shafts. And a spring is connected between the two pin shafts for connecting the left contact plate, the right contact plate and the bottom plate to ensure that the pin shafts lean against the inner sides of the two waist-shaped notches of the bottom plate when the tray is not in place. The device is installed at the two ends of the outer side of the fork teeth of the bidirectional telescopic pallet fork and adjusted to the proper height, the left contact plate and the right contact plate can move towards the bottom plate side under extrusion of the pallet, feedback of the two in-place switches is triggered, and whether the pallet is in place or not can be detected.

The invention relates to the technical field of intelligent health monitoring, and particularly discloses a multi-modal AI-fused senior non-inductive assessment method and system and electronic device.The method comprises the following steps that in the daily living environment of the senior, original multi-modal data reflecting the physiological and behavior states of the senior are collected in a non-inductive mode through at least two non-contact sensors; and preprocessing the original multi-modal data, and extracting a single-modal health feature vector from the data of each modal by using a preset feature extraction model. According to the invention, non-inductive data acquisition is realized by deploying the non-contact multi-mode sensor in the daily environment of the elderly, the elderly does not need to cooperate deliberately, and the use convenience and acceptability are effectively improved; through preprocessing and feature extraction of multi-modal data, multi-dimensional health features can be mined from visual, audio and radar data, the limitation of single data dimension in the traditional technology is broken through, and comprehensive representation of physiological and behavior states of old people is realized.

The invention relates to the technical field of personnel state monitoring, in particular to a non-contact intelligent monitoring method for a fatigue state of an operator, which comprises the following steps of: a, acquiring a face heat distribution image and a dynamic behavior video stream through a non-contact sensor array; b, extracting facial thermal features based on a multispectral fusion algorithm; c, analyzing behavior characteristics through a space-time attention neural network; d, fusing physiological and behavior characteristics, and outputting a fatigue level; and e, triggering a multi-level linkage early warning mechanism according to the fatigue level. A common direct contact type sensor brings discomfort to operators and affects normal work, manual observation has subjectivity, misjudgment is prone to occurring, and real-time and comprehensive monitoring cannot be achieved. Compared with the prior art, the non-contact physiological feature sensor and the non-contact behavior feature sensor can be used for detecting a worker together, direct contact with the worker is not needed, interference to the working state of the worker is reduced, long-time continuous monitoring can be achieved, and misjudgment is avoided.

The invention discloses a wafer clamping and rotating device. The wafer clamping and rotating device comprises a clamping mechanism and a driving mechanism, the clamping mechanism comprises a side arm and a clamping jaw; the clamping jaw is installed on the side arm through a crumple structure, the crumple structure comprises an installation groove formed in the inner side face of the side arm, a connecting block connected with the clamping jaw is arranged in the installation groove, a gap is formed between the connecting block and the installation groove to form a buffer area, a supporting shaft is connected in the clamping jaw, and a first penetrating hole and a second penetrating hole which are communicated are formed in the connecting block and the side arm. The second penetrating hole is divided into a thick section part and a thin section part, a pressure spring arranged on the supporting shaft in a sleeving mode is arranged in the thick section part, a guide shaft is connected into the connecting block, a through hole is formed in the side arm, the free end of the guide shaft penetrates through the through hole, and a contact sensor is arranged on the outer side face of the side arm. Thus, through the pressure spring and the buffer area, part of clamping impact force transmitted by the clamping jaw can be effectively counteracted, rigid contact force between the clamping jaw and the wafer is converted into flexible buffer force, and breakage caused by direct extrusion of the wafer due to too large clamping force is avoided.

The invention, which relates to the technical field of audio experience, discloses an immersive audio experience-oriented sound sound field orientation system comprising a position sensing module, a sound field modeling module, a characteristic sound wave generation module, an array control module and a space feedback adjustment module. The position and orientation information of a target user in a three-dimensional space is obtained in real time through a non-contact sensor, a real-time acoustic propagation model containing reflection surface distribution and material characteristics is constructed, a multi-channel acoustic signal is generated based on the model, a loudspeaker array is driven to produce sound through a beam control parameter set, and the sound transmission effect is achieved. According to the invention, the spatial focusing of the sound beam in the target direction is realized, the sound production delay and phase difference of each loudspeaker unit are dynamically adjusted based on the direction deviation information of the received sound pressure, and a closed-loop control path is formed. The method is suitable for various scenes such as virtual reality, intelligent cinemas and voice interaction.

The invention discloses a car coupler state detection and execution control circuit and a car coupler automatic picking and hanging system and method, and relates to the technical field of railway vehicle automation control, and the car coupler state detection and execution control circuit comprises a state detection unit which comprises a plurality of non-contact sensors arranged at different detection positions of a car coupler; the safety execution unit comprises a 2oo2 interlocking structure formed by a first relay and a second relay which are connected in series, a through-type Hall current sensor arranged on a main loop between the first relay and the second relay, and a third relay for controlling the extension and retraction directions of an electric push rod; the power supply management unit comprises a 24VDC power supply input terminal, a fuse, a reverse connection protection diode and a surge suppression TVS (Transient Voltage Suppressor) tube; wherein the output end of the state detection unit is connected to the input port of the controller, and the output port of the controller is connected to the control end of the safety execution unit. The safety of the system is improved through a hardware-level redundant architecture, and the reliability of coupler state detection is improved through multi-sensor fusion.

According to the fault early warning system for the wind power booster station provided by the invention, the limitation of traditional single-point monitoring is broken through by fusing the infrared ultrasonic technology and the ultrahigh frequency technology through the non-contact sensor, so that the early fault detection rate is greatly improved; the composite heat dissipation system suppresses the temperature rise of a transformer hot spot based on a dynamic heat management mechanism of a phase change material and a heat pipe, and the energy-saving efficiency is improved; the edge calculation early warning center converts temperature, partial discharge, strain and other multi-source heterogeneous data into a unified health degree index through a weighted fusion algorithm, and in combination with an equipment topology correlation analysis model, the positioning accuracy of a fault source is greatly improved, and the early warning response time delay is greatly reduced.

The utility model relates to the technical field of liquid level sensing, in particular to a non-contact capacitance liquid level sensor which comprises a cavity outer wall and further comprises a first capacitance plate and a second capacitance plate which are arranged on the cavity outer wall, the first capacitance plate and the second capacitance plate are shortened to form interdigitals, and the interdigitals are arranged in the direction perpendicular to the liquid level change direction. When the liquid level in the cavity rises or falls, the dielectric constant of the liquid is different from that of the air, so that the capacitance value between the interdigital electrodes changes. Liquid level measurement can be achieved by measuring capacitance changes and combining the signal processing module to calculate the corresponding relation between the capacitance and the liquid level. The sensor is mounted on the outer wall of the cavity and does not need to be in direct contact with liquid, so that the problems of pollution, corrosion and mechanical wear of a traditional contact sensor are avoided, and the service life and reliability of the sensor are improved. In addition, the device has the advantages of stable measurement, quick response, high precision and the like.

The utility model relates to the technical field of stamping, in particular to an aluminum alloy decorating part stamping device which comprises a machine body, a rotating disc, a stamping mechanism, a discharging mechanism, a fixed die and a material leaking groove. A butt joint block is welded to the rear end of the fixed die, and an air groove penetrating through the butt joint block and the fixed die is formed in the inner side of the butt joint block; an opening of one side, facing the waste cavity, of the air groove is smaller than that of the other side; a pressurization box fixed to the machine body through a fixing frame is arranged on the rotating disc, a cavity of the pressurization box is communicated with the outside through an external pipe, an electromagnetic valve is arranged in front of a pressurization cavity of the pressurization box, and a contact sensor used in cooperation with the pressurization box is further arranged outside the pressurization box. The pressurizing box is arranged on the rotating disc, meanwhile, an existing mold is upgraded, the butt joint block matched with the pressurizing box is additionally arranged, the gas groove with the width gradually reduced is formed in the butt joint block, gas in the pressurizing box enters the waste cavity through the gas groove, secondary cleaning is conducted on residual waste in the waste cavity, and therefore complete waste discharging is achieved.

The invention discloses a non-contact multi-source sensing fusion pet health assessment system and method. The system comprises a data acquisition module, a central processing module, a communication module, a terminal module and a pet wearing device. Some basic data are collected through the pet wearing device, data are collected through a plurality of non-contact sensors of the collection module, all the collected data are fused and integrated through the central processing module, a preset health calculation formula is input, a pet health score is output, and an owner is helped to know the health state of the pet in time.

The invention relates to the technical field of commercial kitchen oil fume purification, in particular to a purification system and purification method of a commercial oil fume purification all-in-one machine, and the purification system comprises an electric field monitoring unit, a self-adaptive regulation and control unit and a prediction maintenance unit, an electric field monitoring unit collects electric field intensity data of parallel polar plates through a distributed non-contact sensor array, injects spatial position codes to generate a three-dimensional matrix, and combines a polarization drift feature analysis method to identify a local abnormal region and generate an abnormal feature vector; the self-adaptive regulation and control unit dynamically modulates high-voltage power supply output parameters based on the vector, converges the field intensity of an abnormal area to a safety range, stabilizes an edge electric field synchronously through an edge auxiliary electrode array, and the prediction maintenance unit constructs an oil contamination accumulation prediction model by combining the electric field abnormal accumulation duration and the diffusion trend; and when the risk reaches a threshold value, gradient depressurization cleaning in a low-load period is triggered, the problems of unstable purification efficiency and untimely maintenance are solved, and the operation and maintenance cost is reduced.

The invention provides a real-time reasoning method for physical attributes of an object, and relates to the technical field of data processing, and the method comprises the steps: collecting original sensing data of a target object through a multi-mode non-contact sensor, carrying out the preprocessing of the original sensing data of the target object, obtaining multi-source heterogeneous sensing data, and carrying out the real-time reasoning of the physical attributes of the object; performing time synchronization, space alignment and data cleaning on the multi-source heterogeneous sensing data to obtain pre-processed data, and extracting visual features, geometric features and thermodynamic features associated with physical attributes of an object from the pre-processed data to obtain a multi-dimensional physical feature vector; through collaborative design of multi-mode non-contact perception, data standardization processing, multi-dimensional feature extraction, deep neural network reasoning and database output, real-time inference of physical attributes of an object is realized, and reliable data is provided for intelligent decision control.

The invention relates to a mental stress assessment method based on a non-contact sensor and HRV data analysis. The method comprises the following steps: acquiring a historical RR interval data set and a target day RR interval data set, and correspondingly generating a plurality of different interval characteristics based on RR interval data; calculating a quality score of the RR interval data; carrying out average calculation on the quality scores of all RR interval data contained in each sleep stage to obtain a stage average value corresponding to each sleep stage label; calculating a stability score value corresponding to each sleep stage based on the average value of each stage, and determining an optimal sleep stage; extracting all target day RR interval data of the optimal sleep stage, and generating a target day HRV value; generating a historical HRV sequence based on the historical RR interval data set; and performing numerical processing on the target day HRV value based on the constructed detrending model and the historical HRV sequence to generate a mental assessment HRV sequence, and generating a mental stress assessment result based on the mental assessment HRV sequence.

The utility model discloses a high-efficiency energy-saving type steam dewatering pressure pump, which belongs to the technical field of steam dewatering, and is characterized in that the high-efficiency energy-saving type steam dewatering pressure pump comprises a bottom plate, and an automatic controller is arranged on the front side of the bottom plate, an automatic dewatering mechanism is arranged, and a sliding rod and a top ball are driven to move up and down by utilizing the characteristic that a floating ball ascends and descends along with the water level in a dewatering shell; when the water level rises, the floating ball floats upwards, the top ball is close to the contact type sensor, the contact type sensor transmits a signal to the automatic controller, the automatic controller accurately controls the pressurization pumping drainage structure to be opened according to the signal, condensed water is drained in time, and when the water level drops, the floating ball drops, the top ball is away from the contact type sensor, and the automatic controller controls the pressurization pumping drainage structure to be closed. The process effectively overcomes the interference of steam pressure fluctuation on drainage, and compared with a traditional floating ball type drain valve, drainage is more timely and more accurate, condensation water accumulation is prevented, the steam conveying efficiency is guaranteed, meanwhile, the operation cost is reduced, the water hammer phenomenon is reduced, and the service life of equipment is prolonged.

FIELD: underwater equipment.SUBSTANCE: invention is intended for precise automatic docking and fixation of autonomous unmanned underwater vehicles (AUVs) using bottom mooring devices (BMDs). For automatic docking and fixation of an autonomous unmanned underwater vehicle on bottom mooring devices, an underwater vehicle is used with the ability to detect bottom mooring devices using a hydroacoustic navigation system installed on it. Using the onboard control system, the underwater vehicle stabilizes its position in the working area of the manipulator with a given orientation to its grip; simultaneously with the last command, a signal is sent using the hydroacoustic navigation system of the underwater vehicle about its arrival in the area of the bottom mooring device. After receiving this hydroacoustic signal from the hydroacoustic navigation system, a machine vision system installed near the manipulator's grip is turned on, and with its help, the spatial location of the clamp of the gripping device located in the bow part of the underwater vehicle’s hull is detected, and then, with the help of the technical vision system and the manipulator control system, its open grip is smoothly moved towards the clamp until the contact sensor, located inside the gripper jaws, is triggered; upon the signal from the contact sensor, the gripper jaws are closed, fixing the underwater vehicle in the water space. Using the manipulator control system, the corresponding control signals are sent to the manipulator drives, smoothly moving the underwater vehicle to the bottom mooring device platform; during this movement, the underwater vehicle’s thrusters maintain its horizontal position; said movement of the underwater vehicle by the manipulator is completed after the activation of the locking devices located, respectively, on the underwater vehicle and the bottom mooring device. After said fixation, using contactless devices located inside the fixing devices, the underwater vehicle's batteries are recharged via a cable-rope, information is exchanged between this underwater vehicle and the accompanying vessel, or the underwater vehicle is quickly lifted onto this vessel using a winch.EFFECT: precise and rapid docking of the AUV with the charging device or with the device for its rapid ascent to the surface, as well as rigid fixation of the AUV at a given point in the water space when the onboard equipment of this apparatus performs arbitrary working operations.1 cl, 1 dwg

The invention relates to the technical field of treadmills, in particular to a treadmill capable of reducing tumbling and improving safety, which comprises a treadmill shell, a support and a step belt, the support and the step belt are arranged on the shell, a support plate is arranged on the shell, the support plate is positioned in the step belt, and a control panel for controlling functions of the whole treadmill is fixedly arranged on the support. A mounting groove is formed in the handrail, a shifting piece is rotationally arranged in the mounting groove, first contact sensors are fixedly arranged on the groove wall of the mounting groove, the first contact sensors are electrically connected with the control panel, the shifting piece is located between the two first contact sensors, and a telescopic spring is fixedly connected between the shifting piece and the mounting groove; when the shifting piece makes contact with one first contact sensor, the control panel controls the step belt to accelerate, and when the shifting piece makes contact with the other first contact sensor, the control panel controls the step belt to decelerate.

We provide an anomaly detection system capable of detecting abnormalities in humans. [Solution] An anomaly detection system comprising: a first motion detection unit 301 that detects movements of a person 20 that are greater than a motion threshold using a non-contact sensor 10; a presence location determination unit 302 that, if it has detected movements greater than the motion threshold, determines whether a person is present in a location 30 where the non-contact sensor 10 can detect movements of a person 20 that are less than the motion threshold; a second motion detection unit 303 that detects movements of a person 20 that are less than the motion threshold if it has determined that a person is present in a location 30 where it can detect movements of a person 20 that are less than the motion threshold; and an anomaly determination unit 304 that, if it has not detected movements less than the motion threshold, determines that something is wrong with the person 20.

This utility model relates to the field of metal processing technology, and particularly to a feeding device for stainless steel bar processing. It includes a conveyor belt module and a second pushing module arranged parallel to each other. A first pushing module is positioned between the conveyor belt module and the second pushing module, facing towards the second pushing module. A transition ramp is provided between the first and second pushing modules, and a lifting door is installed in the transition ramp. Contact sensors and laser rangefinders are positioned opposite each other at the front and rear ends of the conveyor belt module. The conveyor belt module includes a horizontal conveyor belt and baffles vertically arranged on both sides of the horizontal conveyor belt. The baffle near the second pushing module has a notch-connected transition ramp, and the baffle also has a notch-connected feeding ramp. This utility model has a reasonable structure, and the feeding, conveying, measuring, and screening processes are connected quickly and smoothly. Bars that pass the measurement are conveyed to the next stage, while bars that fail the measurement are conveyed to a collection bin.

The application discloses a heat radiator profile cutting and rotating processing integrated process and relates to the heat radiator profile processing technical field.The process comprises the following steps: S1, feeding; S2, clamping and positioning; S3, cutting; S4, reference detection and compensation; S5, boss processing; and S6, unloading.The cutting, reference detection and compensation and boss processing are integrated in the same station, the double steel saws are arranged in series, the non-contact sensor is used for on-line detection of the cutting end face, the rotating reference and the sawing starting position are compensated in real time, the profile cutting and the high-precision processing of the end boss are completed once clamping is achieved, the transfer link in the traditional segmented processing is eliminated, the workpiece bump damage is avoided, the processing precision and the good product rate are obviously improved through the closed-loop control mechanism, and the flexible processing of various boss shapes such as the circular shape and the polygonal shape can be adapted.

1. The name of the design product: Contact sensor (M5). 2. The use of the design product: For sensor. 3. The design points of the design product: In shape. 4. The picture or photo that best shows the design points: Perspective view 1.

An aerosol generating device 1 includes a heating unit for heating an aerosol source, a housing 11 accommodating the heating unit and including a top surface 15 provided with an opening or a delivery port for insertion of the aerosol source through which the heated aerosol source is delivered to the outside, a right side surface 14 provided in a direction intersecting the top surface 15, and a right upper curved surface 19 provided between the top surface 15 and the right side surface 14, a contact sensor 100 for detecting a motion on the right upper curved surface 19, and a control unit for performing a process in response to the motion detected by the contact sensor 100.

An example method for determining cognitive load is described herein. The method includes receiving a cardiac signal measured by a non-contact sensor; determining a heart rate variability (HRV) metric based on the cardiac signal; and determining a cognitive load of a subject based on the HRV metric. An example system for determining cognitive load is also described herein. The system includes a non-contact sensor; a computing device operably coupled to non-contact sensor, the computing device including a processor and a memory, the memory having instructions thereon, that, when executed, cause the processor to: receive a cardiac signal measured by a non-contact sensor; determine a heart rate variability (HRV) metric based on the cardiac signal; and determine a cognitive load of a subject based on the HRV metric.

A system, and the like, capable of improving user-friendliness when a work machine is diagnosed in a form intended by a user using a terminal device having a wireless communication function, are provided. A second external request signal based on a designated attribute regarding a designated work machine 200 designated through a terminal input interface 101 and a unique identifier read in non-contact manner from a designated component 222 with a non-contact sensor mounted on a terminal device 100 is transmitted to a real machine communication station 210 mounted on the designated work machine 200. Then, a second external response signal representing information regarding the designated component 222 in response to the second external request signal is transmitted from the real machine communication station 210 to the terminal device 100, and the information that is a diagnostic result of the designated component is output to a terminal output interface 102.

To provide a rotation transmission device capable of efficiently arranging a non-contact sensor as an example.SOLUTION: A rotation transmission device according to an embodiment includes, for example, a rotation body configured to rotate around a first rotation axis, a first gear separated from the rotation body in one axial direction along the first rotation axis, configured to rotate integrally with the rotation body around the first rotation axis, and having an outer diameter smaller than that of the rotation body, a second gear rotatable around a second rotation axis parallel to the first rotation axis, meshing with the first gear, and having an outer diameter different from that of the first gear, and a non-contact sensor having a detection unit separated from the first rotation axis by more than half of the outer diameter of the first gear in a direction orthogonal to the first rotation axis and separated from the rotation body in the axial direction, and configured to detect a rotation angle of the rotation body by the detection unit.SELECTED DRAWING: Figure 2

Security systems and methods thereof perform false alarm detection and diagnostics. A management station identifies at least one instance of an alarm at an access-controlled door within a predetermined time period. The management station also determines the possible root cause based on the two or more instances occurring within the predetermined time period. Each instance includes an alarm pattern including a door ok signal received from the door contact sensors and a door forced signal received from the door contact sensors subsequent to receiving the door ok signal. The door ok signal is associated with alignment of door contact sensors. The door forced signal is associated with misalignment of the door contact sensors. The door ok signal and the door forced signal correspond to the same instance. A remote device receives from the management station a notification distinguishing the possible root cause from a security hazard.

The present application relates to the field of respiratory heart rate monitoring, and discloses a non-contact heart rate and respiration recorder, which comprises a host computer, a wireless charging base, a charging cable and a terminal device, wherein the host computer is internally provided with a non-contact sensor module, a processor, a battery and a wireless communication module, and the shell adopts a waterproof sealing structure. In use, the host computer is placed under a pillow, and a heart beat and respiration channel signal is collected through the non-contact sensor, and after filtering, normalization and artifact removal, the signal forms a heart beat observation and a respiration observation under the action of parameters such as a sampling rate, a time window length, a vertical offset and a coupling stiffness, and is subjected to joint optimization under the constraints of spectral matching and cross-modal coherence, and finally outputs a heart rate and a respiration rate. The device does not need to wear an electrode, is stable in detection, and is suitable for long-term home health monitoring and clinical assistance.