645 results about "Infrared emitter" patented technology

This invention relates to a pair of intelligent, multimodal smart eyeglasses designed for adaptive vision, biometric ocular monitoring, and predictive emergency response. The system integrates multilayer lenses filled with electrochromic gel and surrounded by elastic structures to enable dynamic focal length modulation in response to user visual behavior. An array of sensors—including visible light, ultraviolet, micro-cameras, infrared emitters, gyroscopes, and ultrasonic transceivers—collects multispectral data to evaluate environmental and physiological parameters. Real-time data processing is performed by an embedded quantum microcontroller, which manages light transmittance, detects eye fatigue, maps ocular surfaces, and identifies hemodynamic abnormalities such as fainting, seizure, or ocular stroke. Advanced imaging techniques, such as ultrasonic ptychography and wave diffraction analysis, enable non-invasive 3D mapping of ocular layers and internal eye motion. The system also supports wireless communication with external platforms including smartphones, vehicles, and brain-machine interfaces, enabling proactive safety interventions. These features work in tandem to support early diagnosis of critical conditions, protect vision, and personalize user experiences through machine learning and adaptive feedback mechanisms.

The invention discloses an automatic hoisting and positioning system and method for prefabricated parts, and relates to the technical field of building construction. The system comprises a tower crane, a frequency conversion trolley, a three-axis pan-tilt stabilizer, a receiver positioning device and an infrared emitter which are coaxial, an intelligent terminal control system with a pre-stored BIM model, and an integrated inertial sensing unit and a dome camera monitoring system. The intelligent terminal generates target coordinates through the BIM positioning reference module, the real-time deviation calculation module quantifies three-dimensional positioning and axis perpendicularity deviation, and the compensation instruction generation module drives targeted adjustment; through combination of infrared dual-mode switching, frame line deviation correction and inertia swing dynamic suppression, precise positioning and obstacle avoidance cooperation is realized. According to the method, through the closed-loop process of benchmark setting, obstacle avoidance lifting, fine compensation and standard confirmation, it is guaranteed that the positioning deviation is not larger than 0.8 mm, the axis perpendicularity is not larger than 0.3 degree, and the inertia swing is not larger than 10 cm, the problems that traditional hoisting is poor in precision and large in inertia interference are solved, and the installation quality and the operation efficiency are improved.

The invention relates to the technical field of peroxide crosslinked polyethylene pipe manufacturing, and discloses a peroxide crosslinked polyethylene pipe manufacturing system and a crosslinking furnace thereof.The crosslinking furnace comprises a first furnace body, a second furnace body and a third furnace body, the first furnace body is provided with a first crosslinking cavity with a front opening and a rear opening, and a pipe can penetrate through the first crosslinking cavity; the first infrared emitter is arranged on the first furnace body, and infrared rays of the first infrared emitter are emitted into the first cross-linking cavity; the second furnace body is provided with a second cross-linking cavity with front and back openings, the second cross-linking cavity can allow the pipe to penetrate through, and the first furnace body and the second furnace body are sequentially arranged in the movement direction of the pipe; the second infrared emitter is arranged on the second furnace body, infrared rays of the second infrared emitter enter the second cross-linking cavity, and the wavelength of the infrared rays emitted by the second infrared emitter is smaller than that of the infrared rays emitted by the first infrared emitter. The inner layer and the outer layer of the pipe can be synchronously heated through infrared rays with different wavelengths, so that the cross-linking reaction of the pipe is more uniform, and the quality of the pipe is improved.

The utility model discloses an automatic leveling platform of a printer, which relates to the technical field of 3D (three-dimensional) printers and comprises a supporting platform, a leveling component is arranged on the bottom surface of the supporting platform, a movable component is arranged on each end surface of the supporting platform, and a detachable component is arranged on the top surface of the supporting platform. The mounting base is correctly mounted on the 3D printer, after mounting is completed, water with the same volume is input into the transparent pipes, the floating blocks float, the infrared sensors and the infrared emitters are kept horizontal, and due to the arrangement of the U-shaped base, the bearing and the mounting shaft, the transparent pipes on the sleeve frame rapidly change angles under the action of gravity through the balancing weights, so that the transparent pipes are prevented from falling off. At the moment, if the supporting platform is not in a horizontal state and the values of the miniature height sensors are different, the PLC drives the electric push rods to conduct correction, and when the infrared sensors are adjusted to continuously receive infrared rays emitted by the infrared emitters, the PLC drives the electric push rods to stop, so that leveling is completed.

The embodiment of the invention provides a self-cleaning method and a cleaning system, the self-cleaning method and the cleaning system are applied to the cleaning system, the cleaning system comprises cleaning equipment and a base, the cleaning equipment comprises a machine body and a ground brush, a rolling brush and a water segregator are arranged in the ground brush, and a suction device is arranged in the machine body; the base is provided with a cleaning tank used for containing the rolling brush, an infrared heating device is arranged in the base and used for heating the rolling brush, the infrared heating device comprises an infrared emitter and a transmission part, and the infrared emitter and the transmission part are both located below the rolling brush; the method comprises the following steps: in response to a spin-drying instruction, controlling the cleaning equipment to enter a spin-drying mode; in the spin-drying mode, the water segregator is closed, the rolling brush rotates, the infrared heating device is used for heating, and the rolling brush makes contact with the transmission part, so that the rolling brush can be ironed by the transmission part while spin-drying is conducted. Multifunctional self-cleaning can be achieved without a plurality of heaters, the infrared emitter is started in the spin-drying stage, preheating can be conducted in advance, the drying efficiency is improved, and the rolling brush can be ironed.

The invention discloses an all-dimensional deviation preventing device for mine geological drilling, and relates to the technical field of mine geological drilling, the all-dimensional deviation preventing device comprises a drilling frame, a plurality of fixing frames are fixedly connected to the peripheral edge of the drilling frame, and a plurality of mounting plates are fixedly connected to the positions, close to the fixing frames, of the peripheral edge of the drilling frame; the top of the fixing frame is fixedly connected with a fixing shell and an auxiliary shell, and rails are arranged on the inner walls of the bottoms of the fixing shell and the auxiliary shell. According to the all-dimensional anti-deviation device for mine geological drilling, after the angle box rotates, parallel infrared rays generated by the multiple infrared emitters on one side of the angle box vertically irradiate the surface of the detection plate, and after photosensitive sensors at different positions detect signals, the angle box is turned on; the deflection angle of the angle box is detected by comparing signal positions, so that the inclination angle change of the drilling pipe in a three-dimensional space is detected at any time, and the effect of detecting whether the angle of the drilling pipe deviates or not at any time in the mine drilling process is achieved.

The invention provides a cold heading cutting forming mechanism and a using method, and belongs to the technical field of cold heading machining. Comprising a forming mechanism body, a forming cavity is formed in the inner side of the front portion of the upper end of the forming mechanism body, a cold heading cutter is arranged on the right side of the forming cavity, a protective mounting module is arranged at the upper end of the cold heading cutter, and a control panel is arranged above the right end of the protective mounting module. Through cooperation of the infrared emitter and the infrared reflecting mirror, the cross block and the cold heading cutter holder are adjusted to be perpendicular to each other according to the action of infrared reflection, and then when a metal wire is cut, once the cutting angle of the cold heading cutter deviates due to abrasion or other factors, the cross block and the cold heading cutter holder can be adjusted to be perpendicular to each other. When the metal wire is processed, the infrared emitter and the infrared reflecting mirror deviate, at the moment, the programmable logic controller receives a signal and transmits the signal to the control panel, and the cold heading cutter is powered off in time, so that the cold heading cutter is protected, and the safety of the metal wire during processing can be improved.

The invention relates to the technical field of bearing flexibility detection, in particular to a flexibility detection device for a bearing, which comprises a workbench, the upper surface of the workbench is fixedly connected with a supporting block, the inner wall of the supporting block is provided with a first cylinder, and the telescopic end of the first cylinder is fixedly connected with a sliding plate in sliding connection with the supporting block. When the flexibility of the bearing is detected, the bearing outer ring is fixed through the limiting assembly, then the bearing inner ring is controlled to rotate, power output is stopped, the bearing inner ring continues to rotate under the action of inertia, the number of rotation turns of the bearing inner ring is calculated through cooperation of the infrared emitter and the reflection block, and the flexibility of the bearing is detected. Therefore, a bearing flexibility detection result is obtained, the accuracy of bearing detection is ensured, the difference of manual detection is avoided, the uniformity of detection standards is ensured, the working efficiency is high, the production cost is reduced, and the requirements of modern automatic production can be met.

The invention discloses an intelligent laser oral implanting robot for clinical application. The intelligent laser oral implanting robot comprises a robot system, a CT imaging system, an optical positioning and tracking system, a supporting device and a control platform. The robot system comprises a base, a fixing frame, a mechanical arm and a laser transmitter, and the laser transmitter is used for drilling holes in bone tissues; the CT imaging system comprises a radiation source and a detector and is used for scanning and collecting oral information of a patient before an operation; the optical positioning and tracking system comprises an infrared emitter, an infrared stereo camera and a dynamic reference frame and is used for dynamically scanning and collecting oral cavity information of a patient in an operation; the control platform receives data information collected by the CT imaging system and the optical positioning and tracking system, and the working state of the robot system is planned and timely adjusted. Advanced image reconstruction, intelligent path planning, dynamic navigation and laser cutting technologies are combined, the accuracy of the laser cutting path can be ensured, and accurate cutting and precision control of the alveolar bone are achieved.

The utility model provides an auxiliary positioning tool for punching a pump shell, and belongs to the technical field of positioning tools. The positioning auxiliary tool for pump shell punching comprises a positioning mechanism, a fixing mechanism and a pump shell body, the positioning mechanism comprises a fixing base, a rotating shaft is connected to the center of the top of the fixing base through a bearing, a machine shell is installed at the bottom of the fixing base, a first motor is installed in the machine shell, and the output end of the first motor is in transmission connection with the rotating shaft; an infrared emitter is installed at the position, close to the edge, of the top of the fixed base, a rotating disc is installed at the top of the rotating shaft, an annular groove and four sets of grooves are formed in the top of the rotating disc, the four sets of grooves are connected with the annular groove at equal intervals, and infrared receivers are installed at the positions, under the centers of the grooves, of the bottom of the fixed base. According to the technical scheme, the four sets of infrared receivers and the four sets of infrared emitters are used for achieving the purposes of reducing the positioning cost and improving the drilling accuracy.

The invention relates to the technical field of fluororubber piece tensile force detection, in particular to a fluororubber piece tensile force testing device which comprises a testing table, and the top end of the testing table is fixedly connected with a testing cover; and the self-adaptive clamping mechanism is arranged in the testing cover, the self-adaptive clamping mechanism comprises two symmetrical supporting plates, and two symmetrical fixing plates are fixedly connected to the outer walls of the opposite sides of the two supporting plates. The moving distance of the clamping plate is measured through an infrared distance meter composed of a first infrared emitter, a first infrared receiver and a PLC, then the thickness of the fluororubber part is obtained, the PLC adjusts the magnitude of current introduced into an electromagnetic block in a self-adaptive mode according to the thickness of the fluororubber part, and the thickness of the fluororubber part is measured through the repulsive force of the electromagnetic block to a permanent magnet block. The permanent magnet blocks push the clamping plates to clamp the fluororubber piece, the clamping force can be automatically adjusted according to the thickness of the fluororubber piece, excessive clamping is avoided, and it can be guaranteed that the fluororubber piece cannot be loosened during a tensile test.

The invention relates to the technical field of ophthalmologic operations, and provides an intelligent head position recognition and correction system in ophthalmologic operations, comprising: an intelligent pillow which is designed according to human head engineering, is provided with a self-adaptive adjustment module, and is used for performing automatic fine adjustment according to head contours and body types of different patients to ensure that the heads of the patients are stably supported; the infrared eyeball tracker is installed on a mechanical arm beside an operating bed, the infrared eyeball tracker is composed of a high-sensitivity infrared emitter, a wide-view-angle receiver and a matched optical filter, and the infrared eyeball tracker can stably work in a complex light environment and accurately capture infrared signals reflected by eyeballs. Through the high-precision nine-axis inertial measurement unit integrated in the intelligent pillow, various fine actions such as translation, rotation and inclination of the head can be monitored accurately in all directions, and the measurement precision reaches the sub-millimeter level and the sub-degree level. Therefore, the system can timely and accurately obtain the head position change information, and a reliable basis is provided for subsequent judgment and processing.

The utility model provides an adjustable edge cutting device for coated paper production, which comprises a device host and a cutting adjusting mechanism, the top surface of the device host is provided with a conveyor belt, the top surface of the device host is fixedly connected with a supporting guide rail, the outer side surface of the supporting guide rail is in sliding connection with a cutting host, and the cutting host is provided with a cutting adjusting mechanism. The adjustable edge cutting device comprises a cutting main machine, a cutting adjusting mechanism is arranged on the surface of the outer side of the cutting main machine, an edge cutting and compacting mechanism is arranged on the surface of the bottom of the cutting main machine, and a cutting tool is fixedly connected to the surface of the outer side of the edge cutting and compacting mechanism. A servo motor drives a threaded rotating shaft to rotate, so that a cutting tool fixed to a movable base moves finely, a clamping plate limits the moving range in a sliding groove, the moving stability and precision are ensured, meanwhile, an infrared transmitter on the movable base is matched with an infrared receiver on a device main machine, the moving distance is monitored in real time, and the working efficiency is improved. And automatic control is realized.

The invention relates to the field of food processing, in particular to a forming device for infant rice cake making. The existing forming device is inconvenient to realize quantitative blanking, so that the specifications of rice cakes are not uniform enough, food pollution is easily caused by waste residues in the manufacturing process, and the pressed and formed rice cakes are easily adhered to a mold and are not easy to demold. The invention discloses a forming device for making infant rice cakes. The forming device comprises six bottom blocks and the like. A bottom plate is fixedly connected among the six bottom blocks, two guide rails are fixedly connected to the bottom plate, two supporting bent arms are fixedly connected to the bottom plate, and electric sliding blocks are slidably connected to the two guide rails. The baffle is blocked between the infrared transmitter and the infrared receiver, so that the feeding time of the rice milk is controlled, the rice milk is more convenient to feed quantitatively, and the pressed rice cakes are more uniform in specification.

The invention relates to the technical field of lithium battery production, in particular to a high-power long-strip-shaped lithium ion battery aluminum plastic film cutting device and method. Comprising a conveying support, a fixing support installed on one side of the conveying support, an aluminum plastic film installation mechanism arranged on the conveying support, an automatic feeding mechanism, an automatic discharging mechanism and a cutting mechanism arranged on the fixing support, a circulating water pump and a refrigeration box are installed at the bottom of a water tank, and a pressing and fixing mechanism is installed on the fixing support. Through the arrangement of the cooling mechanism, the phenomenon of cutting layering caused by heat transfer during cutting is prevented, the cutting quality is improved, through the arrangement of the pressing and fixing mechanism, the situation that the cutting edge is curled due to the fact that an aluminum plastic film is bent during cutting is prevented, and through the arrangement of the automatic feeding mechanism and the automatic discharging mechanism, the cutting efficiency is improved. The operation safety is improved, the manual labor effect is reduced, through the infrared transmitter, the device has the automatic metering function, and the use convenience is improved.

The utility model relates to the technical field of drop hammer impact experiments, in particular to a drop hammer impact experiment device for pipeline detection, which comprises a pipeline storage box, an impact drop hammer structure is arranged above the pipeline storage box, and a repeated springback prevention structure is mounted on the upper surface of the pipeline storage box. And the repeated springback prevention structure comprises a fixing block, a first electric telescopic rod, a bulletproof baffle, an infrared transmitter and an infrared receiver, a pipeline clamping structure is arranged in the pipeline storage box, and a groove to be hammered and punched is formed in the upper surface of the pipeline storage box. According to the utility model, the falling impact hammer can be prevented from repeatedly and continuously impacting the pipeline to be detected by the falling impact hammer through fixing and clamping after the falling impact hammer is impacted by the repeated springback prevention structure, so that the impact detection result is prevented from being influenced, and the accurate detection value of the pipeline cannot be obtained.

The utility model discloses mixed feed additive split charging equipment, which relates to the technical field of feed processing and comprises a base plate, a split charging mechanism is arranged at the top of the base plate, a mixed discharging mechanism is arranged above the split charging mechanism, and vertical plates are fixedly mounted on the front side and the rear side of the top of the base plate. And first electric push rods are fixedly installed on the opposite faces of the two vertical plates correspondingly, hot melting plates are fixedly installed at the output ends of the two first electric push rods correspondingly, an infrared transmitter is fixedly installed below the front side of the vertical plate on the rear side of the top of the base plate, and the subpackaging mechanism comprises an annular rotating disc and a servo motor. According to the mixed feed additive subpackaging device, the subpackaging mechanism, the vertical plate, the first electric push rod, the hot melting plate and the infrared transmitter are matched with one another, so that mixed feed additives can be rapidly and circularly subpackaged during subpackaging, repeated manual taking and placing of subpackaging bags are not needed, the labor intensity is effectively reduced, and the subpackaging efficiency is improved.

The utility model relates to the technical field of textile, and discloses a needle inspection machine for textile, which comprises a feeding conveyor, an inspection machine body is arranged on the feeding conveyor, a connecting frame is fixedly mounted between the feeding conveyor and a first discharging conveyor, movable rollers are uniformly and rotatably mounted on the connecting frame, a mounting frame is fixedly mounted on the connecting frame, and the movable rollers are rotatably mounted on the mounting frame. An auxiliary classification assembly is arranged on the installation frame, an infrared emitter is fixedly installed on one side of the connecting frame, and an infrared receiver is fixedly installed on the side, opposite to the infrared emitter, of the connecting frame. According to the utility model, the auxiliary classification assembly is arranged, unqualified textiles are pushed to the unqualified product collection area for centralized collection, and qualified textiles can be normally conveyed to the qualified product collection area for centralized collection, so that the textiles are classified and collected in a centralized manner when broken needle inspection is carried out on the textiles; subsequent personnel can conveniently carry out centralized treatment on unqualified textiles containing broken needles, and the overall inspection and treatment efficiency is improved.

A cooking appliance for cooking food has a cooking chamber (14), at least one infrared emitter (28) for heating food arranged in the cooking chamber (14), and a microwave source for supplying microwaves to the cooking chamber (14). The cooking appliance has a reflector with at least one reflector tube (34) that directs infrared rays (42) from the infrared emitter (28). The reflector tube (34) is dimensioned such that it acts as a microwave shield for the infrared emitter (28).

The present disclosure provides a heat treatment device and process equipment, which relate to the field of semiconductor processing technology. The heat treatment device includes: a reaction chamber, having a receiving space for receiving a workpiece; an infrared transmitter, a first receiver and a second receiver, the infrared light emitted by the infrared transmitter can be irradiated to the workpiece; the first receiver is used to receive the reflected light reflected by the workpiece; the second receiver is used to receive the transmitted light through the workpiece; a first adjustment mechanism is connected to the reaction chamber, and is used to adjust the position of the infrared light emitted by the infrared transmitter to irradiate the workpiece; wherein, under the adjustment of the first adjustment mechanism, the infrared light can move along the radial direction of the workpiece; a second adjustment mechanism is connected to the reaction chamber; under the adjustment of the second adjustment mechanism, the reflected light can be incident on the first receiver; a third adjustment mechanism is connected to the reaction chamber; under the adjustment of the third adjustment mechanism, the transmitted light can be incident on the second receiver.

The utility model discloses an aluminum oxide grain size control device which comprises a fastening frame, side protection plates are installed on the two sides of the inner side of the fastening frame, an infrared emitter A is installed on one side of each side protection plate, a rectangular installation plate is installed at the upper position between the side protection plates, a feeding belt is installed on the inner side of the fastening frame, and an infrared emitter B is installed on the upper portion of the rectangular installation plate. An aluminum oxide crystal grain storage cavity is formed in the feeding belt, aluminum oxide crystal grains are placed on the aluminum oxide crystal grain storage cavity, a control box is installed on one side of the outer side of a fastening frame, a fastening plate is installed at the top of the fastening frame, and the two ends of the fastening plate are connected with the fastening frame through connecting blocks. And an infrared emission instrument B is mounted at the bottom of the fastening plate. The feeding belt is installed on the inner side of the aluminum oxide crystal grain detection device, the aluminum oxide crystal grain storage cavity is formed in the feeding belt, three aluminum oxide crystal grains can be placed in the aluminum oxide crystal grain storage cavity at the same time, and the detection efficiency is greatly improved by detecting the three aluminum oxide crystal grains.

The utility model discloses a design tool which belongs to the technical field of cultural design and comprises a measuring scale, a sliding groove is formed in the measuring scale, a baffle is fixedly connected to the middle of the sliding groove, a first sliding block is arranged on the left side of the baffle, a second sliding block is arranged on the right side of the baffle, a first protruding block is fixedly connected to the bottom of the first sliding block, and an infrared emitter is arranged at one end of the first protruding block. The bottom of the first sliding block is fixedly connected with a first convex block, the bottom of the second sliding block is fixedly connected with a second convex block, the right side of the second convex block is fixedly connected with an infrared receiver, the right side of the infrared receiver is provided with a controller, and the right side of the controller is provided with a display screen. Measurement is carried out through an infrared receiver, a controller and a display screen, the accuracy of a measurement result is improved, related tools can be placed in an arranged containing box, a clamping block is connected into a clamping groove, a lock is connected into a through hole, the containing box is locked, the tools are prevented from falling off and being lost, and the safety performance of the containing box is improved.

The present invention provides a packaging bag transportation line with a stacking detection mechanism, which is used to solve the technical problem that some transportation equipment in the prior art cannot detect the stacking state of packaging bags, which is easy to affect subsequent processes. The present invention discloses a packaging bag transportation line with a stacking detection mechanism, including a base plate; a detection plate, the detection plate is fixedly arranged at the front end of the base plate; an infrared transmitter, the infrared transmitter is fixedly arranged at the front end of the base plate and arranged above the detection plate; an infrared receiver, the infrared receiver is fixedly arranged on the base plate and is opposite to the infrared transmitter up and down; a first conveyor belt, the first conveyor belt is arranged at the front end of the base plate and is opposite to the detection plate up and down; the stacking state of the packaging bags is detected by the cooperation of the infrared transmitter and the infrared receiver, so that workers can observe the integrity of the packaging bags.

The utility model relates to an automatic conveyor for door closer production, which comprises a frame, a conveying component and an automatic feeding component, the automatic feeding component comprises a straight plate, the straight plate is provided with a supporting seat, the supporting seat is provided with a first sliding chute, a second sliding chute and a third sliding chute, the first sliding chute is provided with a first spring, and the second sliding chute is provided with a second spring. The first spring is provided with a sliding block matched with the first sliding groove, the supporting seat is provided with a limiting groove, the sliding block is provided with a clamp matched with the limiting groove, the second sliding groove is provided with a second spring, the second spring is provided with a limiting block matched with the second sliding groove, the limiting block is provided with a sliding rod, and the sliding rod is provided with a pressing block. The supporting base is provided with an empty groove, a motor is installed in the empty groove, a take-up roller is installed at the power output end of the motor, a rope is installed on the take-up roller, a through hole is formed in the first sliding groove, a first guide roller and a second guide roller which are matched with the rope are installed in the empty groove, and the rope is fixedly connected with the sliding block. The supporting seat is provided with an infrared receiver, and the frame is provided with an infrared emitter.

The special-shaped angle cutting machine for the coop supporting beam comprises a workbench, an installation frame is vertically installed on the surface, close to the edge, of the top of the workbench, a driving air cylinder is installed on the surface of the top of the installation frame, and the output end of the driving air cylinder penetrates through the surface of the installation frame to be connected with an installation plate. A mounting block is movably mounted on the surface of the bottom end of the mounting plate, a cutting blade is vertically mounted on the surface of the bottom end of the mounting block, a threaded rod is vertically mounted at the top of the mounting block, and an arc-shaped sliding way is formed in the surface of the mounting plate in a penetrating mode. According to the special-shaped cutting device for the coop supporting beam, the mounting plate, the arc-shaped sliding way, the mounting block, the cutting blade, the threaded rod, the threaded extrusion cylinder and the rotating cover are arranged and used in cooperation, the direction of the cutting blade can be adjusted conveniently, and therefore special-shaped cutting of the coop supporting beam can be achieved; and the coop supporting beam can be conveniently and rapidly positioned when being cut.

The utility model relates to an underwear processing and cutting device which comprises a workbench, a cutting area is arranged in the center of the workbench, a cutting mechanism, an infrared receiver and a pressing plate are arranged on the workbench, an infrared emitter used for indicating the position of fabric to be cut is arranged on the pressing plate, and the infrared receiver is arranged around the cutting area. The pressing plate has the advantages that the infrared transmitter is arranged on the pressing plate, the edge contour of the fabric can be indicated when the pressing plate presses the edge of the fabric, the fabric does not need to be placed at a specific position, and use is convenient and fast; a movable pressing block is arranged on the pressing plate and can adapt to fabrics of different sizes.

The invention discloses an automatic seam aligning and correcting device for submerged-arc welding based on infrared positioning, relates to the technical field of submerged-arc welding, and aims to solve the technical problems that a worker needs to manually align a seam at present, the efficiency is low, the precision is poor, and the labor intensity is high. Comprising a machining table, a moving mechanism arranged on the machining table, a welding mechanism arranged on the moving mechanism and a correcting mechanism arranged on the welding mechanism, the moving mechanism comprises a moving box arranged at the rear end of the machining table, the welding mechanism comprises a fixing plate, and an infrared emitter and a camera are arranged at the lower end of a third mounting plate. And the correcting mechanism comprises a correcting pipe, a sixth mounting plate and a scraping plate, and the correcting pipe is mounted at the tail end of the fourth mounting plate. The automatic welding device has the advantages that the welding gun can be automatically monitored and adjusted, compulsive deviation correction is achieved in cooperation with the correction pipe, welding precision is guaranteed, the pressure plate controls the size of a welding seam, the scraper automatically cleans welding slag, the welding efficiency and quality are greatly improved, and the labor cost is reduced.

A portable optical spectroscopy system may provide noninvasive imaging of human tissue. The system may comprise a multi-wavelength near-infrared emitter source including at least one multi-chip light source configured to sequentially emit light at multiple wavelengths. A local controller may be configured to control a light emission sequence at two or more wavelengths. A sensor may be aligned in reflectance geometry with the emitter sources and configured to detect diffusely reflected near infrared light from biological tissue. A remote processor may be configured to reconstruct two-dimensional images of tissue optical properties in real time. Sequential NIR illumination from at least one source may be aligned with the sensor detector. The multi-wavelength near-infrared emitter source may comprise wavelengths selected from 670 nm, 810 nm, and 950 nm corresponding to absorption characteristics of deoxyhemoglobin, oxyhemoglobin, water, and fat. The system may generate cross-sectional images displaying spatial distribution of tissue constituents.

A display may use a waveguide to provide image light to an eye box. An emitter may emit infrared light collimated at different angles relative to a collimated axis and divergent along an orthogonal axis. The waveguide may propagate the infrared light and may include overlapping one-dimensional diffractive gratings with parallel periodic structures. Each grating may diffract, towards the eye box, a respective portion of the infrared light from a respective incident angle onto a respective output angle relative to the collimated axis. A camera may capture glints of the infrared light as reflected off a user's eye at the eye box for performing gaze tracking. The emitter and the gratings may effectively form a one-dimensional line of infrared emitters overlapping the eye box while allowing the optical emitter to remain invisible to a user.

The application discloses a kind of multi-modal signal acquisition device and system of fusion near infrared and ear brain electricity, for brain electricity signal acquisition, including earphone main body, earplug ear electricity collector, near infrared emitter, detection device;Wherein, the earphone main body is ear cover type structure;The earplug ear electricity collector is fixedly connected with the inner wall of ear cover of the earphone main body, and the earplug ear electricity collector is compatible with human ear;N the near infrared emitter is installed in the ear cover and scalp contact place of the earphone main body;M the detection device is installed in the ear cover and scalp contact place of the earphone main body.The electrode of the present application is fully contacted with human body, and is stably contacted in a large area, and is not easy to slide or fall off, and the concealment is considered.