105 results about "Infrared beam" patented technology

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 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 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 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.

Surface sensing methods for imaging a scanned surface of a sample via sum-frequency vibrational spectroscopy are disclosed herein. The methods include exposing a sampled location of the scanned surface to a visible light beam and exposing the sampled location to a tunable infrared beam such that the tunable infrared beam is at least partially coincident with the visible light beam. The methods also include varying a frequency of the tunable infrared beam an inducing optical resonance within an imaged structure that extends at least partially within the sampled location. The methods further include receiving at least a portion of an emitted light beam from the sampled location and scanning the visible light beam and the runnable infrared beam across the scanned portion of the scanned surface. The methods also include generating an image of the scanned portion of the scanned surface based upon the receiving and the scanning.

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 invention relates to the technical field of rotating speed measurement, in particular to an instantaneous rotating speed measurement system based on infrared induction, which adopts an infrared detection module to obtain the rotating speed characteristic of a measured rotating shaft, so that the introduction of electromagnetic interference is avoided, and the influence of the electromagnetic interference on the measurement result can be prevented; according to the measurement technology, a differentiating circuit is adopted to detect the voltage slope so as to calculate the rotating speed, a timing mode is not adopted to calculate the rotating speed, the measured result is more instantaneous and accurate, the limitation of minimum rotating speed measurement is avoided, and the measurement range is wider; a transmission area enclosed by a specific heart-shaped curve on the infrared transmission module is in a linear relation with the rotating speed, so that the length of an infrared beam transmitted to an infrared receiver is in a linear relation with the rotating speed, and the rotating speed characteristic can be correctly reflected by detecting the transmitted infrared beam.

The present disclosure relates to an infrared spectrum measurement system, comprising: a wide-spectrum infrared light beam processing module for controlling an initial infrared light beam meeting a preset wavelength range to irradiate a to-be-measured object, so as to obtain a target to-be-measured light beam meeting a target wavelength range, the target wavelength range being less than or equal to the preset wavelength range; a quantum well detection module for encoding and detecting the target to-be-measured light beam based on a super surface unit array, so as to obtain a multi-channel light response signal of the target to-be-measured light beam; a signal acquisition module for reading the multi-channel light response signal in parallel and transmitting the multi-channel light response signal to a data processing module; and the data processing module for decoding the multi-channel light response signal according to a target decoding model and determining infrared spectrum information of the target to-be-measured light beam. The infrared spectrum measurement system of the present disclosure can simultaneously meet the dual measurement requirements of high time resolution and wide spectrum coverage, and improve the accuracy of infrared spectrum measurement.

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 provides an infrared beam axis filtering detection device, which relates to the technical field of detection devices and comprises a workbench, a support frame is fixedly mounted at the top of the workbench, and a first hole is formed in the outer surface wall of the support frame. According to the utility model, the rotating rod is connected with the output end of the servo motor through the belt, and the rotating rod can be driven to rotate when the servo motor operates, so that the positions of the coarse optical filter and the fine optical filter can be exchanged, and the light beams can be ensured to irradiate the optical filters; the optical filters with different central wavelengths and bandwidths can be replaced more conveniently, and automatic switching not only improves the working efficiency, but also reduces errors of manual operation, so that the device is more flexible to use.

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.