24 results about "Infrared beam" patented technology

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 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.

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.

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 present application relates to the technical field of safety light curtain calibration test, and specifically relates to a multi-channel safety light curtain synchronous calibration and sensitivity test method, which comprises the following steps: setting up a multi-channel safety light curtain, modulating a test signal and emitting an infrared light beam from a light emitter of each channel of the multi-channel safety light curtain, and obtaining a response signal of a light receiver of each channel; regarding an arbitrary channel as a target channel, performing time domain and frequency domain analysis on the test signal and the response signal, extracting a response delay parameter and a signal attenuation degree of the target channel, and then obtaining a time-frequency coefficient of the target channel in combination with the response delay parameter and the signal attenuation degree; obtaining running scene information of the multi-channel safety light curtain, obtaining a sensitivity threshold of the target channel through the time-frequency coefficient and the running scene information, and performing sensitivity calibration on the multi-channel safety light curtain based on the sensitivity threshold. The present application improves the calibration efficiency and test precision of the multi-channel safety light curtain.

The present application relates to the technical field of medical devices, in particular to a near-infrared blood vessel imaging method and device, wherein the near-infrared blood vessel imaging method comprises the following steps: dividing a skin surface blood vessel detection area into multiple detection units, using two parallel linear near-infrared light beams to irradiate the edges of the detection units one by one, and performing follow-up shooting to generate a near-infrared image, and generating a visible image of the entire detection area according to the near-infrared image, the imaging method adopted by the present application is different from conventional large-area detection, can significantly reduce the influence of skin surface reflected light generated by illumination light irradiation, improve the contrast of the blood vessel image, has high detection precision, can discover deep blood vessels, is more suitable for obese patients, and by using the visible light projection mode to re-irradiate the detection area, it is convenient for medical staff to find the blood vessels of the patient, and has progressiveness.

The utility model discloses a kind of metal sheet leveling and flaw detection combined processing equipment, belong to metal sheet processing field, including machine table, the outer wall of the machine table is fixedly installed with first linear guide rail, the top of the first linear guide rail is slidably installed with connecting seat, the bottom of the mounting bracket is fixedly installed with flaw detection camera head.The beneficial effects of the utility model are: by setting infrared leveling mechanism and alignment plate on the both sides of machine table, alignment plate is engraved with identification scale, after placing steel on the top surface of machine table, the height of electric push rod is adjusted according to the thickness of steel, so that infrared laser alignment device is located on the top surface of steel, infrared laser alignment device can be moved vertically by sliding table, and staff can judge whether there is defect by the condition of infrared beam irradiating identification scale, such as infrared beam is blocked or there is the case of too large spacing, then it can be judged that there is local depression or protrusion in plate.

The present application relates to laser processing technology and precision cutting technology field, concretely is a kind of water jet assisted laser and mechanical compound drilling method and device, including the following steps: S1, the silicon carbide material to be processed is clamped and fixed above the infrared coaxial alignment sensor of device guide rail platform, after laser lens calibration focal length, water jet device is opened, and the controller receives the transmittance change of the infrared light beam emitted by the infrared coaxial alignment sensor in the processing process through signal receiving unit to determine the processing termination opportunity by bringing into penetration determination formula;S2, after pre-processing, switching position is carried out through device guide rail platform, and the coaxial calibration of pre-hole and PCD drill bit is completed by means of infrared coaxial alignment sensor;S3, after calibration, PCD drill bit is driven by drilling device according to pre-set parameter, and pre-hole is processed by pecking drill type sizing and reaming, and high-quality silicon carbide through-hole meeting the requirements of size and precision is obtained.

A proposed observation device (22) for observing one or more vehicle occupants (24) in a vehicle interior (26) comprises a lighting unit (30) for emitting infrared light beams (31) and a receiving unit (32) for receiving light beams, wherein the receiving unit (32) has an optical element and an optical sensor, wherein the observation device (22) has a cover element (40), wherein the cover element (40) is arranged on a side (44) of the lighting unit (30) and the receiving unit (32) facing the vehicle interior (26), and wherein the observation device (22) has at least one light beam blocking element (60), wherein the light beam blocking element (60) is arranged on a light path between a disturbing object and the optical sensor.

This utility model discloses an alarm device for preventing material spillage, comprising an infrared beam switch transmitter and three infrared beam switch receivers. The infrared beam switch transmitter is mounted on the ground via a pole, and a drive motor is fixed to the top of the pole. The motor output shaft passes through the pole and connects to the central axis of a semi-circular rotating plate. The infrared beam switch transmitter is fixed in the middle of the rotating plate, and a reflective lens is provided on its side. The reflective lens is rotatably connected to the rotating plate via a rotating rod. The rotating rod passes through a second mounting plate and connects to a worm gear, which meshes with a worm. The three infrared beam switch receivers are respectively mounted in the grooves of an arc-shaped slide rail via lockable sliders. The arc-shaped slide rail is fixed to the other side of the vibrating screen feed end by a bracket. A through groove is provided on the side wall of the groove, and an adjusting bolt passes through the through groove and is threadedly connected to the lockable slider. This utility model has the advantages of enabling early warning of spillage trends, high installation adaptability, and low monitoring cost.

This invention belongs to the field of vehicle technology, specifically relating to a vehicle tracking method and system that combines radar and infrared beam co-location. The method constructs a high-density cooperative perception network by overlapping radar signal coverage areas and infrared beam signal paths; it determines the lane information of a vehicle based on its baseline position information when entering a preset detection segment and generates a reference path representing a compliant driving route; it calculates the offset angle based on the vehicle's historical trajectory and current direction of movement to generate a predicted path reflecting its actual driving trend; and it performs path anomaly detection by determining whether there is a non-intersecting area between the predicted path and the reference path within the overlapping segment. This invention improves the accuracy of path anomaly detection by matching the predicted path and the reference path and determining whether there is a non-intersecting area between them within the overlapping segment, thus identifying abnormal driving behaviors such as lane departure.

The application discloses an intelligent energy-saving hydraulic clamp and relates to the technical field of hydraulic clamps.The hydraulic clamp comprises a supporting assembly and a clamping assembly, and the clamping assembly is arranged on the top of the supporting assembly.The infrared sensor emits an infrared light beam, and the emitted infrared light beam is received by a receiving plate.The receiving surface of the receiving plate is coated with a liquid crystal layer.When heated by the infrared ray, the arrangement of liquid crystal molecules in the liquid crystal layer changes, thereby causing color change, and the trajectory of the infrared ray can be displayed.The visual sensor can capture the trajectory formed on the surface of the receiving plate in real time, thereby recording the smoothness and formation time of the trajectory.If the trajectory is smooth, it indicates that the hydraulic clamp does not jam during work.If the trajectory is not smooth, it indicates that the hydraulic clamp jams.The visual sensor transmits abnormal information to the controller, so that the staff can timely maintain the hydraulic clamp.

This invention relates to the field of optical system technology, and more particularly to a dual-band, co-aperture, focusless beam-shrinking optical system, comprising: an aperture stop, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens arranged coaxially along the incident direction of light; the first, second, third, and fifth lenses are positive lenses, and the fourth lens is a negative lens; a parallel incident laser beam and an infrared beam are incident on the first lens through the aperture stop, converge to form a first converging beam which is then incident on the second lens, converge to form a second converging beam which is then incident on the third lens, converge to form a third converging beam which is then incident on the fourth lens, diverge to form a diverging beam which is then incident on the fifth lens, and finally converge to form a parallel outgoing beam. This technical solution allows the laser beam and the infrared beam to share the same set of lenses and propagate along the same optical path, effectively solving the problems of complex structure, large size, and poor optical axis consistency caused by the need for independent design in traditional dual-band systems.

This invention relates to a series of malonate borate nonlinear optical crystals, their preparation methods, and applications. The general molecular formula of this series of compounds is AM[C3H2O4]B(OH)3(H2O). x Where A = K, Rb, Cs; M = K, Rb, Cs, x = 0, 1, molecular weight is 242.08–436.72, prepared by room temperature solution method, orthorhombic crystal system, space group P 212121 (No. 19), with cell parameters a = 6.6168(11) - 7.256(3) Å, b = 9.574(5) - 10.271(3) Å, c = 13.0172(12) - 13.984(5) Å. α =90, β =90, gamma =90, Z =4, V=851.3(4)-1042.2(7)Å 3 The series of malonate borate nonlinear optical crystals obtained by this method have advantages such as a wide transmission band, stable physicochemical properties, moderate mechanical hardness, resistance to breakage, and ease of cutting, polishing, and storage. They can withstand 1064nm infrared light incident on AM[C3H2O4]B(OH)3(H2O). x The crystal can produce green frequency-doubled light with a wavelength of 532nm, and the output intensity is about 0.5-1.2 times that of KDP under the same conditions.

The present application relates to the technical field of pest monitoring and prevention, and particularly relates to a multi-light-path infrared opposite-shooting triggering device and method of a buried termite monitoring equipment. The method comprises the following steps: sensing the condensation water vapor condition in a monitoring cabin to control the preset dehumidification brush to sweep water droplets and condensation; identifying the light path state between an infrared transmitting end and an infrared receiving end in an infrared opposite-shooting triggering module, and establishing an infrared light path reference signal according to the light path state; controlling the infrared transmitting end to output light signals to form a plurality of light paths that pass through the necessary cross section of the monitoring cabin; the infrared receiving end synchronously receives the light signals of the corresponding light paths and performs signal preprocessing to obtain light path infrared detection data; and the infrared light path reference signal is used to detect the light path blocking features in the light path infrared detection data to identify effective termite passing events. The present application helps to reduce manual inspection and maintenance frequency, reduce operation and maintenance cost, and improve the reliability of termite monitoring.

This invention discloses a method for measuring the surface temperature of an infrared optical element irradiated by laser, belonging to the field of infrared thermometry technology. The method includes the following steps: using an infrared optical lens to receive the thermal radiation emitted from the surface of the infrared optical element after laser irradiation and imaging it onto the modulation surface of a spatial light modulator; the spatial light modulator switches a preset binary coding pattern sequence to spatially modulate the thermal radiation image; a single-point infrared detector receives the spatially modulated infrared beam, converts the light intensity signal into a one-dimensional time-series electrical signal, and performs digitization processing; based on the preset coding sequence and the digitized one-dimensional time-series electrical signal, a two-dimensional temperature field distribution on the surface of the infrared optical element under test is obtained through a calculation and reconstruction algorithm. This invention uses the above method to replace traditional area array infrared thermal imagers to achieve high-precision, interference-resistant, and low-cost laser thermal effect measurement, and is particularly suitable for monitoring and analyzing the temperature field of optical elements under strong infrared laser irradiation.

A head up display device includes an image generation unit, an imaging unit, an infrared light splitting element, and at least one infrared light detecting element. The infrared light splitting element is located on a transmission path of at least one ambient light beam, and configured to split an infrared light beam from the at least one ambient light beam. The at least one infrared light detecting element is located on a transmission path of the infrared light beam of the at least one ambient light beam, and configured to detect light intensity of the infrared light beam. When the at least one infrared light detecting element detects that the light intensity of the infrared light beam exceeds a predetermined threshold, the head up display device reduces light intensity of a portion of the at least one ambient light beam transmitted to the image generation unit.

This device (10) is configured to be positioned at the top of a vehicle windshield (100) comprising a housing (20) and a rear-vision mirror (40) integrated into the housing (20) configured to reflect visible light to reproduce a road scene. It further comprises an optical module (60) including a source emitting a beam (F2) of infrared light, housed within the housing (20). The mirror (40) forms a dichroic optical component configured to allow the passage of infrared light through the mirror (40) and towards a predefined target area (Z), such as a driver's seat of the motor vehicle. Figure 1

1. Name of the product in this design: Rotatable Multi-Angle Infrared Beam (YET611). 2. Purpose of this product design: It is used to detect obstacles. When an obstacle blocks the infrared light, the product outputs an on / off signal through the interface; the user uses this on / off signal to control the operation of related equipment. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model relates to pipeline positioning technical field, concretely relates to a kind of welding positioning device for HDPE pipeline, including mesa, recess is opened in the length direction on mesa upper surface;At least two sliding seats are slidably arranged in the recess;The upper surface of each sliding seat is fixedly provided with the clamping group for clamping the end of pipeline and the support group for supporting the bottom of pipeline;The clamping group includes the clamping frame fixed on the sliding seat, chuck center on one of the sliding seat is fixedly provided with infrared emitter, chuck center on the other sliding seat is fixedly provided with infrared receiver matched with infrared emitter;The infrared light beam emitted by infrared emitter is received by infrared receiver, for indicating and adjusting the axial alignment of two chucks, to realize the axial alignment of the two HDPE pipelines being clamped, by setting infrared emitter in chuck center and infrared receiver in the other chuck, the axial alignment of two pipelines when welding can be accurately adjusted.

This invention provides an infrared beam anti-interference device and method for sowing monitoring, belonging to the field of agricultural sowing technology. The device includes a main control module, a pulse drive module, an infrared beam module, and a signal processing module. The main control module is electrically connected to the pulse drive module, the infrared beam module, and the signal processing module. The main control module is used to output timing control and high-frequency pulse signals, receive detection signals and determine the next sowing state, and simultaneously complete control processing including parameter configuration and timing synchronization. The pulse drive module is used to execute high-frequency pulse signals from the main control module and supports time-division multiplexing control. The infrared beam module is configured to use high-frequency pulse signals for signal transmission and reception and electrical signal conversion under the time-division multiplexing mechanism. The signal processing module is used to process the electrical signals into detection parameters that can be recognized by the main control module. The anti-interference method is based on the above-mentioned anti-interference device. This solution can significantly improve signal recognition accuracy and greatly reduce stray light interference.