141 results about "Infrared beam" patented technology

The invention relates to the technical field of intelligent traffic, and discloses a method and device for detecting a thrown object on a road surface, and the method comprises the steps: automatically selecting the wavelength of infrared light according to the environment illumination intensity, and calculating an environment compensation coefficient; the infrared transmitting unit transmits a multi-angle light beam to the infrared receiving unit on the opposite side, and the infrared receiving unit determines the receiving state of the light beam; constructing a fan-shaped infrared beam grid, and determining an area where a suspected target is located; judging whether the suspected target is a thrown object or not, and using an area positioning model for the thrown object to obtain a central position and an effective area; implementing graded alarm; visible light image recognition is replaced by an infrared beam technology, the influence of severe weather on detection precision is effectively overcome through a self-adaptive wavelength selection mechanism, a specific lane where a thrown object is located can be accurately determined in combination with a lane recognition mechanism, and accurate guidance is provided for traffic control and cleaning operation.

The invention discloses a new energy station intrusion detection method based on a linkage technology, equipment and a medium, and relates to the technical field of new energy station safety protection, electronic pulse fences, infrared correlation and video acquisition equipment are deployed, perimeter signals and images are acquired, multi-source data are fused through space-time calibration and a D-S evidence theory, a target is detected by using a YOLOv5 model, and a new energy station intrusion detection result is obtained. Kalman filtering is used for predicting a track, distinguishing normal operation and intrusion behaviors, setting a three-level response mechanism, triggering sound-light alarm, access control blocking and the like, data are stored, a model is optimized regularly, environment self-adaptive adjustment can be achieved, operation areas can be dynamically divided, and the detection reliability is improved. According to the invention, intelligent detection and linkage response of new energy station intrusion are realized, the false alarm rate is significantly reduced, the target detection precision and trajectory prediction accuracy are improved, the response time is shortened, the maintenance cost is reduced, the data security is enhanced, a security guarantee is provided for unattended operation, and the management efficiency and security are improved.

The invention relates to the technical field of basketball sports, and discloses a basketball shooting scoring system and an infrared induction mirror surface diffuse reflection detection method, and the system comprises an infrared emission module which is used for emitting an infrared signal; the infrared receiving module is used for receiving the reflected infrared signal; the mirror reflection structure module is used for reflecting the infrared beam at a preset angle; the data acquisition module is used for acquiring the state of the reflected optical signal; the trajectory analysis module is used for generating spectrum data, and the score output module is used for displaying shooting scores in real time; the method comprises the following steps: transmitting an infrared signal; receiving an infrared signal and generating disturbance data; forming a signal reflection and interference area; generating a path disturbance matrix; track analysis and feature extraction; track judgment and score feedback; and recording data and outputting a result. The design of combining the infrared transmitting module and the infrared receiving module is adopted, an infrared light path can be accurately constructed, and the basketball shooting track can be captured.

The invention relates to an elevator system with a combined LiDAR and visible light sensor guide, in particular to a sensor having a housing extending from a front portion to a rear portion wherein the front portion has a transparent cover glass; an infrared (IR) beam emitter within the housing that emits a first beam along a first path; a visible light beam emitter within the housing that emits a second light beam along a second path that is not consistent with the first path; and a beam guide within the housing that engages the first and second beams such that the first and second beams are coaxial or parallel and exit the front of the housing.

The invention relates to the technical field of metro seats, and provides an electric folding seat with an anti-pinch function and a whole vehicle unified control, the electric folding seat comprises a mounting base, the mounting base is used for integrally mounting the seat, one side of the mounting base is provided with a seat backrest used for supporting the back of a passenger, and the other side of the mounting base is provided with a seat backrest used for supporting the back of the passenger. A seat for hip supporting is arranged at the bottom of the seat backrest, folding and unfolding assemblies used for folding and unfolding the seat are arranged on the two sides of the seat backrest, and by arranging recognizers, telescopic air cylinders and other structures, the recognizers are distributed in mounting through grooves in the two sides of the seat to monitor obstacles on the movement path of the seat in real time; when infrared light beams are shielded, the displacement sensor immediately feeds back position signals of the telescopic shaft, the air cylinder is triggered to move reversely through the CAN bus, clamping injury is avoided, the safety protection efficiency is improved, and through the technical scheme, the problems that in the prior art, the anti-clamping function is insufficient, and the comfort degree is insufficient are solved.

The utility model discloses an optical fiber adapter, which comprises a shell, a connecting sleeve, a shielding door and a reset piece, and adopts the technical scheme that the shielding door is used for shielding a first port of the shell, and the shielding door has a closing trend under the action of the reset piece, so that the shielding door is always in a closed state when no external force is applied; on one hand, damage to human eyes caused by leakage of high-intensity infrared beams can be effectively prevented, and on the other hand, dust can be effectively prevented from entering the adapter, so that the optical transmission stability after optical fiber connection is ensured. Moreover, when the optical fiber connector is in butt joint with the first port, the optical fiber connector can directly abut against the shielding door and is inserted into the first port, in the process, the first port is always blocked, and infrared beams can also be prevented from leaking out, so that an operator does not need to wear a protective tool in the butt joint process, and the assembly convenience is greatly improved.

Various imaging systems and methods for identifying and removing spots associated with infrared beams emitted by a ranging and detection system on digital images of a scene are disclosed. The imaging system generates an image of a single scene on an image sensor with a different spectral response and uses the resulting image signal to reduce or remove spots on the modified digital image. Additionally, the imaging system uses the image signal to monitor the performance of the image sensor and generates an alarm signal indicating that an image sensor malfunction has been detected.

A method for processing a plurality of bird eggs, particularly unfertilized eggs, comprising: a step of transporting a first egg (E1) having a first eggshell color and a second egg (E2) having a second eggshell color along a transport path, wherein the first eggshell color is different from the second eggshell color; a step of illuminating the first egg (E1) with an illumination beam (B) of infrared light, wherein at least a portion of the light is transmitted through the egg (E1) and detected by a near-infrared light detector (5); a step of illuminating the second egg (E2) with an illumination beam (B) of near-infrared light, wherein at least a portion of the light is transmitted through the egg (E2) and detected by a near-infrared light detector (5); and to determine the shell condition of each egg (E1, E2), the step of processing the light detection result of the infrared light detector (5) is included, and the detection of the illumination and / or transmitted light of the eggs (E1, E2) is performed under substantially the same illumination and / or detection conditions, respectively.

This invention provides an intelligent safety management method and system for boiler walkway gratings, relating to the field of industrial safety technology. The method includes: S1, acquiring in real-time the obstruction signal sequence generated by an infrared beam sensor deployed at the grating inlet and the weight signal sequence generated by a pressure sensor deployed below the grating, and synchronizing the obstruction and weight signal sequences with timestamps; S2, inputting the synchronized obstruction and weight signal sequences into a pre-constructed lightweight spatiotemporal feature extraction network to extract multi-dimensional temporal features representing personnel flow, object presence, and weight distribution; and inputting these multi-dimensional temporal features into a risk fusion inference engine built based on Dempster-Shafer evidence theory. This system can eliminate perceptual ambiguity, overcome decision-making rigidity, and mine data value in the harsh edge environment of boiler walkways, achieving progressive intelligent safety management from precise risk identification to dynamic and flexible assessment and early hazard insight.

The invention discloses a zebra fish pain response testing device for Chinese herbal medicine breeding, which comprises a plurality of branch water tanks, the plurality of branch water tanks are connected through a G selection pool to form a six-way water tank, and the plurality of branch water tanks are communicated with the G selection pool; the tail end of each branch water tank is an electric shock end for the zebra fish to receive electrical pain stimulation, the electric shock end is provided with an electrode plate for providing electrical stimulation for the zebra fish, an inlet of the electric shock end is provided with an infrared correlation trigger area for detecting whether the zebra fish passes through or not, and the electrode plate is connected with an electric shock module for providing voltage for the electrode plate. The technology has a multi-channel parallel test capability and an automatic electrical stimulation triggering function, can shorten an experimental period, reduces invalid stimulation, provides stable and reliable data support for pain mechanism research and drug screening, and improves research efficiency and scientificity.

The utility model discloses a spectrum detection device for sulfur hexafluoride gas concentration, which relates to the technical field of sulfur hexafluoride concentration detection and comprises a device main body, a detection probe is arranged outside the device body, an adjusting assembly is arranged on one side of the detection probe, an air inlet pipe is fixedly connected to one side of the device body through an external air pump, and a drainage pipe is fixedly connected to the side, away from the air inlet pipe, of the device body. The detection probe emits laser or infrared light beams to directly penetrate through a gas area to be detected, the concentration is inverted by measuring attenuation of transmission light or reflected light, the position of the detection probe is adjusted through the adjusting assembly so as to adapt to different areas, the sulfur hexafluoride gas concentration can be rapidly inspected and detected in real time, and the practicability of equipment is improved. When leakage is found, the device is switched to a suction mode, gas is sucked into the device body through the gas inlet pipe, the concentration and decomposition products are accurately measured, the two modes can be switched according to detection targets, environmental conditions and maintenance capacity, and various requirements are met.

The invention relates to the technical field of material detection, in particular to an infrared inspection device for a helicopter composite material. The device comprises a base 2, a clamping mechanism 4 and a lifting frame are arranged above the base 2, the clamping mechanism 4 is arranged above the lifting frame, and the lifting frame ascends and descends relative to the base 2; the clamping mechanism 4 is sleeved with a sleeve frame 43, a clamping device is arranged below the sleeve frame 43, and the clamping device is clamped at the top of the composite material; the device further comprises an infrared transmitting module 3 and an infrared receiving module 5, the infrared transmitting module 3 and the infrared receiving module 5 are installed on the lifting frame, and the infrared transmitting module 3 and the infrared receiving module 5 synchronously move relative to the lifting frame. The infrared emission module 3 is used for emitting infrared light beams to irradiate the composite material, and the infrared receiving module 5 is used for receiving the infrared light beams transmitted by the composite material.

To improve sampling time while collecting microscopic data on the composition of a sample over a wide field of view.SOLUTION: The system includes an infrared radiation source 200 configured to illuminate a broad area of a sample with a beam of infrared radiation, a probe radiation source 222 configured to illuminate the broad area of the sample with a beam of probe radiation, a collector 212 configured to collect as collected probe radiation at least a portion of the probe radiation from each of a plurality of spatially resolved locations on the sample, and at least one camera 250 configured to detect as collected probe radiation at least a portion of the probe radiation from each of the plurality of spatially resolved locations on the sample and generate a signal indicative of infrared absorption corresponding to each of the plurality of spatially resolved locations.SELECTED DRAWING: Figure 2

The embodiment of the present application provides a device for detecting wear of a subway power supply contact network line, comprising a detection module, the detection module including an infrared laser and an infrared camera, the infrared laser being used to emit an infrared beam to the surface to be tested of the contact network line and forming a detection area on the surface of the contact network line, the infrared camera being used to capture an image to be tested of the detection area; the infrared laser being rotatably arranged at the open end of a U-shaped frame by a rotating support shaft; when the infrared camera is used to capture an image of the detection area, the image capture position of the infrared camera is adjusted by a lateral displacement structure; and an image processor being further provided, the image processor being used to receive the image to be tested captured by the infrared camera, the image processor having a built-in image recognition module, the image recognition module being used to identify the wear condition of the detection area based on the image to be tested. The detection device provided by the embodiment of the present application effectively solves the technical problem of relatively low detection result accuracy of existing detection devices.

The application relates to the field of automatic detection sensors, in particular to an ultrathin area light curtain sensor which comprises a light projector, a light receiver and a warning mechanism, the light projector comprises a base, a circuit board, an infrared beam emitter, a rotating rod and an adjusting assembly, one end of the rotating rod is fixedly connected to the base, the other end of the rotating rod away from the base is rotationally connected to the circuit board, the adjusting assembly is used for driving the rotating rod to rotate, the circuit board is fixedly connected with the infrared beam emitter on the side away from the base, a Fresnel lens is fixedly connected to the side of the infrared beam emitter away from the base, infrared light beams emitted by the infrared beam emitter pass through the Fresnel lens and are output to infrared receiving photoelectric devices, the warning mechanism is electrically connected to the circuit board, and the warning mechanism is used for issuing a signal to warn a user. The application has the effect that the mounting frame can easily receive infrared light beams when being inclined, the effectiveness of the infrared light beams is guaranteed, and the application range of the light curtain sensor is increased.

The invention relates to an illumination device (10) for motor vehicle (22), wherein the illumination device (10) comprises at least one infrared light source (11) which is adapted to emit light in the infrared range. The illumination device (10) is configured to emit a multitude of infrared light beams or infrared light cones (13) generated by the at least one infrared light source (11) from a multitude of infrared light emitting positions (12) dispersed over an area, wherein said infrared light emitting positions (12) are spaced at least 1 cm apart from each other.

This application provides a green fiber laser, comprising, in sequence, a high repetition rate (PRR) polarization-maintaining fiber laser, a first Brewster window, a second half-wave plate, a first plano-convex lens, a laser crystal, a second plano-convex lens, and a first dichroic mirror. The PPR fiber laser outputs a high repetition rate polarization-maintaining fundamental frequency signal light. The first Brewster window is an optical lens placed at a Brewster angle, and the 1000-1100nm fundamental frequency signal light passing through the first Brewster window has a specific polarization state. The second half-wave plate can be rotated to adjust the polarization state rotation angle of the infrared beam after passing through the first Brewster window. By using the second half-wave plate and the first Brewster window to adjust the polarization state rotation angle to a suitable polarization state, the optical-to-optical conversion efficiency of the entire system is greatly improved, resulting in high repetition rate, high energy conversion efficiency, high power, and stable green light output.

This utility model relates to the field of safety protection technology and provides an infrared beam sensor testing device. The infrared beam sensor has a transmitter and a receiver, and includes: a bracket; a guide mechanism disposed on the bracket; a shielding plate disposed on the guide mechanism and capable of sliding under the guidance of the guide mechanism; the transmitter and receiver are respectively arranged on both sides of the shielding plate; and a power mechanism, one end of which is disposed on the bracket and the other end is connected to the shielding plate, the power mechanism being capable of driving the shielding plate to move between a first position and a second position. This utility model uses a remotely operable power mechanism to drive the shielding plate to move along the guide mechanism, thereby blocking or not blocking infrared light, to achieve remote testing of the effectiveness of the infrared beam sensor. It eliminates the need for dedicated personnel to conduct regular on-site inspections, saving labor costs, improving testing efficiency, and features a simple structure and strong operability.

This application relates to the field of basketball sports technology, and discloses a basketball shooting scoring system and an infrared sensing specular diffuse reflection detection method. The system includes: an infrared emitting module for emitting infrared signals; an infrared receiving module for receiving reflected infrared signals; a specular reflection structure module for reflecting the infrared beam at a preset angle; a data acquisition module for acquiring the state of the reflected light signal; a trajectory analysis module for generating spectral data; and a scoring output module for displaying the shooting score in real time. The method includes: infrared signal emission; infrared signal reception and disturbance data generation; signal reflection and interference region formation; path disturbance matrix generation; trajectory analysis and feature extraction; trajectory determination and scoring feedback; and data recording and result output. This invention adopts a design combining an infrared emitting module and an infrared receiving module, which can accurately construct an infrared light path and capture the trajectory of a basketball shot.

An air intake module for an aircraft turbomachine extending along a longitudinal axis oriented from upstream to downstream and including an inner wall and an outer wall defining together a vein for circulating an air flow, a plurality of guide vanes of the air flow extending radially in the vein and each comprising an upstream leading edge, at least one stator member fixedly mounted on the inner wall and on the outer wall and extending radially in the vein upstream of the guide vanes, the stator member comprising an infrared wave emitting device configured to emit an infrared beam on the leading edge of at least one of the guide vanes for de-icing it.

The utility model discloses a kind of detection pole piece disc slitting knife gap's device and pole piece production system, belong to battery technical field, including disc slitting knife, infrared emission component, infrared receiving component and display, the infrared emission component is set to one side of the disc slitting knife, the infrared emission component is for emitting infrared beam perpendicular to the surface of the disc slitting knife, the infrared beam is at least partially blocked by the surface of the disc slitting knife;The infrared receiving component is set to the other side of the disc slitting knife, the infrared receiving component is oppositely arranged with the infrared emission component, the infrared receiving component is for receiving the infrared beam not blocked by the surface of the disc slitting knife;Display is connected with the infrared receiving component, and display is for real-time display the quantity of infrared beam received by the infrared receiving component.The utility model reaches the technical effect that the notch damage of disc slitting knife can be found in time, reduces security risk.

The application relates to the field of mobile and wireless security technology, and discloses a device and a method for interfering with a wearable photoplethysmography device, the device comprising: an infrared light source configured to emit a modulated infrared light beam; and a control unit configured to generate a modulation waveform and control the infrared light source to emit the infrared light beam according to the modulation waveform so as to change heart rate and blood oxygen saturation readings of the wearable photoplethysmography device; wherein the control unit is configured to generate the modulation waveform using an adaptive genetic algorithm based on an upper layer structure and a lower layer structure, and the algorithm is used to optimize an index related to a manipulation effect so as to improve the manipulation effect on the readings. In this way, controllable interference data can be quickly and accurately generated in a medical health data security test process, so as to ensure the accuracy and reliability of the medical health data security test process. In addition, confusion and deception of data attack behaviors can be realized, and the security of medical health data is improved.

The invention relates to the technical field of imaging, and discloses imaging observation equipment and an image generation method thereof, and the image generation method of the imaging observation equipment comprises the steps: collecting an infrared image, and recognizing and positioning a target object through the infrared image; projecting an infrared beam to a target object; a target object image is obtained by carrying out digital imaging on a target object irradiated by an infrared light beam. According to the method, the target object needing to be observed is searched and positioned by using the infrared imaging technology, and the target object is subjected to light supplementing irradiation of the infrared light beam, so that the imaging observation equipment can perform digital imaging with higher resolution on the target object under the condition of auxiliary light supplementing of the infrared light beam; therefore, a clearer image of the target object is obtained under the condition that the target object is not disturbed, and a reliable data basis is provided for animal observation and data acquisition.

The invention relates to a resolution target for infrared imaging, the target comprising a plurality of patterns formed on the front face of a support (22), laterally spaced in pairs in a main plane, and intended to form dark patterns on a light background when the resolution target is illuminated by the infrared beam. Each pattern is formed by a Fabry-Pérot-type resonant cavity (CR) comprising a lower reflector (23) and an upper reflector (25) between which an intermediate layer (24) is located; wherein the lower reflector (23), located on the side of the support (22), is less reflective than the upper reflector (25). The intermediate layer (24) extends continuously from one resonant cavity (CR) to another, and thus also extends into an intermediate zone (ZI) surrounding the resonant cavities in the main plane.

The invention discloses a temperature measuring probe and a temperature measuring instrument method for measuring the temperature of a furnace end of a coke oven, and belongs to the technical field of application of temperature measuring instruments. The temperature measurement probe comprises a housing, a shaping lens group, a light folding member and an infrared detection device. The shell is provided with a light inlet and a light channel communicated with the light inlet; the shaping lens group, the light folding piece and the infrared detection device are sequentially arranged in the light channel; wherein the light folding piece changes the propagation direction of the infrared light passing through the shaping lens group from a first direction to a second direction; the first direction is the direction in which an external infrared beam enters the light inlet, and the detection end of the infrared detection device is used for acquiring an infrared signal of the infrared beam propagating from the second direction; the infrared detection device is used for being electrically connected with the processor, and the processor is used for obtaining the temperature value of the coke oven burner according to infrared signals. The miniature design of the temperature measuring probe is realized, so that the temperature measuring probe can smoothly enter narrow spaces such as a coke oven observation hole and the like.

The application discloses a device and method for measuring infrared refractive index of materials, which comprises an infrared light source assembly, a collimating mirror, a first filter group, a converging lens, a displacement platform and a photoacoustic power assembly arranged in sequence along the horizontal axis direction; the displacement platform carries the material to be measured and can move in the preset range of the focal point of the converging lens along the horizontal axis direction; the infrared light beam is emitted by the infrared light source assembly, the parallel light of a specific spectral band after the collimating mirror and the first filter group is incident to the converging lens, the focused light beam passes through the material to be measured moving in the preset range to form a test light beam, the test light beam enters the photoacoustic power assembly, the photoacoustic power assembly detects and analyzes the change of the light power caused by the movement of the material to be measured, and the infrared refractive index of the material to be measured is given. The application has simple light path, high measurement precision, wide measurement band and strong application in the measurement of the refractive index change of materials.

The utility model discloses a work bar structure and a high-altitude operation boom truck. The work bar structure comprises a work bar; the first mounting bracket is vertically mounted at the bottom of the working column and is positioned on the first side edge of the working column; the second mounting bracket is vertically mounted at the bottom of the working column and is positioned on the second side edge of the working column; the second side edge is opposite to the first side edge; the infrared sensor device comprises an infrared sensor emitter and an infrared sensor receiver, the infrared sensor emitter is arranged on the first mounting bracket, the infrared sensor receiver is arranged on the second mounting bracket, and an infrared beam formed between the infrared sensor receiver and the infrared sensor emitter is parallel to the bottom of the working column; and the control device is arranged on the working column and electrically connected with the infrared sensor device, and the control device is used for controlling the working column to stop descending under the condition that the infrared light beams are shielded. The bottom of the work bar can be prevented from touching the ground, and the failure rate of equipment is reduced.

The embodiments of this specification provide a method, system, equipment and medium for measuring the deformation of a high-speed rotating blade, wherein the system includes a blade, a phase locking device and a computer; the blade is arranged on a hub, and the hub is controlled by a computer to drive the blade to rotate; the phase locking device includes an infrared photoelectric trigger switch and a camera group connected to a synchronous controller, and before the experiment, the synchronous controller controls each camera of the camera group to synchronously shoot the blade to generate image group one, and sends it to the computer; during the experiment, the blade rotates, and the computer controls the infrared photoelectric trigger switch to send an infrared beam to the blade, and after receiving the reflected beam, sends a high-level pulse signal to the synchronous controller, and the synchronous controller controls each camera of the camera group to synchronously shoot the blade to generate image group two and send it to the computer; the blade displacement is obtained by calculation by the computer.

The invention discloses a particulate matter monitoring method and system based on an echelette grating channel, and particularly relates to the technical field of industrial particulate matter monitoring, and the method comprises the following steps: S1, an echelette grating is arranged at the side of a particulate matter output channel, the echelette grating comprises a transmitting end and a receiving end, and the transmitting end transmits a plurality of parallel infrared beams; according to the channel particulate matter monitoring method and system based on the echelette grating, a traditional video image recognition method is replaced with an echelette grating detection technology, particulate matter accumulation detection is carried out through multiple parallel infrared light beams and analog quantity voltage signals, the influence of environment illumination changes on recognition accuracy is avoided, and meanwhile the recognition accuracy is improved. The infrared grating and the vibrating screen vibrate at the same frequency through rigid connection, the problem of light beam deviation or image blurring caused by high-frequency vibration of equipment is effectively solved, the monitoring reliability and stability in a complex industrial environment are remarkably improved, and the false alarm rate and the missing report rate are greatly reduced.

The utility model discloses an oil cylinder with a displacement detection structure, and relates to the technical field of oil cylinders and accessories thereof. The oil cylinder comprises an oil cylinder body, wherein an oil cylinder frame is clamped on the outer side of the oil cylinder body; a feedback assembly is fixedly installed at the top shaft end of a piston rod of the oil cylinder body and comprises a cover plate connected to the top shaft end of the piston rod in a sleeving mode, a side plate is further fixedly installed on the side wall of the top of the cover plate, a feedback plate is embedded in the bottom side wall of the edge of the side plate, and a detection assembly is installed on the bottom side wall of the oil cylinder frame. The detection assembly comprises a mounting plate inserted into the lock rod, an infrared distance meter is further mounted in the box body, and the box body and the side plate are further connected through a protection assembly. The detection assembly is installed on the oil cylinder frame in a sliding insertion mode, the feedback assembly is fixed to the shaft end of the piston rod through the locking piece, the installation mode is simple and convenient, and infrared light beams of an infrared distance meter in the detection assembly are protected and prevented from being shielded through the protection assembly.