39results about How to "Solve visual" patented technology

The invention discloses a pedestrian re-identification method based on multi-attribute and multi-strategy fusion learning. The method of the invention includes the steps of in an offline training phase, firstly selecting pedestrian attributes which are easy to be judged and have a sufficient distinguishing degree, training a pedestrian attribute identifier on an attribute data set, then labeling attribute tags for a pedestrian re-identification data set by using the attribute identifier, and next, by combining the attributes and pedestrian identity tags, training a pedestrian re-identification model by using a strategy fused with pedestrian classification and novel constraint comparison verification; and in an online query phase, extracting features of a query image and images in a database by using the pedestrian re-identification model, and calculating the Euclidean distance between the feature of the query image and the feature of each image in the database to obtain the image with the shortest distance, which is considered as the result of pedestrian re-identification. In terms of performance, the features in the invention are distinguishable and high accuracy is obtained; and in terms of efficiency, the method of the invention can quickly search for the pedestrian indicated by the query image from the pedestrian image database.

The invention provides a cardiovascular interventional virtual surgery simulation system based on force feedback. The cardiovascular interventional virtual surgery simulation system comprises a displacement collecting unit, a force feedback mechanism, a motor driver, a processor and a computer, wherein the displacement collecting unit comprises a guide wire displacement collecting unit, a balloon catheter displacement collecting unit and a guiding catheter displacement collecting unit; and the force feedback mechanism comprises a guide wire force feedback mechanism, a balloon catheter force feedback mechanism and a guiding catheter force feedback mechanism. The cardiovascular interventional virtual surgery simulation system is used for simulating the movement sense and the force sense in the process of inserting guide wires, catheters and the like in vascular intervention therapy. The surgery accuracy is high, the repeatability is good, the training cycle of doctors can be shortened, and the surgical risk is reduced.

The invention relates to intelligent composite glasses based on polarization positioning and combined positioning. Four groups of front-view cameras and polarizing films are arranged on a glasses frame so as to shoot scene images and polarization images; data processing on polarization signals, scene signals, movement signals and the like is carried out by embedded information processing and comprehensive controlling modules embedded in glasses legs, so that relevant information such as orientations, distances and positions is generated; and after being subjected to visual treatment and synthesized with images such as scenes, the information is transmitted to a display unit arranged at the upper edge of the glasses frame and is displayed. Basic functions of common glasses can be maintained; by the intelligent composite glasses, a user can directly see actual scenes, and can also see a virtual image through the display unit after wearing the glasses; and the virtual image can be a part of the actual scene, and can also be various types of information which is relevant to orientation, ranging, querying, reminding and the like and is displayed in a character or graph mode.

The invention relates to the technical field of display, and provides a display system and a display method. The display system comprises an optical waveguide and a squeezed light field module. The optical waveguide is provided with a first surface and a second surface parallel with the first surface. The first surface comprises a light incidence region and a light outgoing region. Light entering the light incidence region spreads in the optical waveguide, and then emits from the light outgoing region. The squeezed light field module is used to synthetize a squeezed light field including a displayed image, and emits the squeezed light field to the light incidence region. Through the squeezed light field module, the light field is projected and coupled into the optical waveguide, and the light field is coupled out of the optical waveguide, and the light can be seen by human eyes, to realize a near-to-eye display mode and light field display. The system and the method prevent focusing contradiction, light is natural and comfortable and has no spinning sensation, and the system solves problems of dizziness and visual fatigue caused by looking at a stereoscopic vision 3D image formed by two parallactic two-dimensional images by human eyes for long time.

The invention relates to a textile form and style evaluation method based on a dynamic sequence image and belongs to the field of spinning. The textile form and style evaluation method based on the dynamic sequence image is characterized by comprising the following steps: carrying out dynamic shooting on a movement process of a textile fabric by using a CCD (Charge Coupled Device) digital camera to obtain a multi-frame dynamic sequence view of textile movement; extracting characteristic points from all the shot views of the same frame; carrying out stereo matching on the characteristic points of the corresponding views and calculating three-dimensional coordinates of matched points; calculating basic movement physical quantities of a textile from the obtained three-dimensional coordinates of the matched points; extracting dynamic characteristic parameters of the textile according to the basic movement physical quantities and movement characteristics of the textile; measuring physical performances of the textile; carrying out factor analysis on the measured physical quantities; calculating an incidence relation between the dynamic characteristic parameters and the physical performances of the textile; combining a form and style evaluation factor based on the measurement process of the physical performances to obtain a form and style evaluation factor based on the dynamic sequence image to finish the evaluation of the form of the textile.

The invention discloses an ROS-based simulation method for an autopilot of a fixed-wing unmanned aerial vehicle, and the method comprises the steps: building an environment model in Gazebo, or manufacturing a digital elevation model and a satellite image, and importing the digital elevation model and the satellite image into the Gazebo for use. A modular design is adopted for an automatic drivingsystem of a single fixed-wing unmanned aerial vehicle. A whole system comprises a sensor module, a state estimation module, an unmanned aerial vehicle flight control module, a path following module, apath management module and a path planning module. The method comprises the following steps of importing the constructed model of the single fixed-wing unmanned aerial vehicle into the Gazebo, and starting to perform analogue simulation on the autopilot of the single fixed-wing unmanned aerial vehicle; based on the ROS platform, converting traditional fixed-wing unmanned aerial vehicle simulationinto modular open type robot system simulation, and providing the possibility of multi-vehicle simulation by the distributivity of the ROS platform. By utilizing a Gazebo three-dimensional physical simulation platform, the problems that a traditional simulation mode is poor in simulation visual effect, low in simulation degree and unreal in physical simulation effect are solved.

The embodiment of the invention relates to the field of robot control, and discloses a visual calibration method and device and a robot controller. The visual calibration method comprises: an object block is calibrated for the first time, pixel coordinates of the object block are obtained, the mechanical arm is moved manually to accurately grab the object block, moving data of the mechanical arm are recorded, and the proportional relation between the pixel coordinates of a camera and the coordinates of the mechanical arm is determined; obtaining pixel coordinates of a selected object block shot in the visual range of the camera; and determining the coordinates of the selected object block in the mechanical arm coordinate system according to the pixel coordinates of the selected object block and the proportional relation. By means of the mode, the technical problem that visual calibration is lacked at the tail end of an existing mechanical arm or visual calibration is too complex can besolved, and more user-friendly and intelligent visual calibration of the tail end of the mechanical arm is achieved.

The invention relates to a preparation method of color printing ink solvent oil. The color printing ink solvent oil is prepared by utilizing naphthenic base crude oil fractions, adopting a special dearomatization process and a clay decoloring and refining process to produce base oil and adding proportioned unique compound additive, i.e. the solvent-refining process and the clay decoloring and refining process are carried out to the base oil which is then proportioned by a complex additive to finally prepare finished oil. The method does not generate aromatic toxicity and lessens damage to human beings; the color printing ink solvent oil keeps balance between the dissolving capacity and the release property of resin, solves the problems of unstable product indexes, such as water resistance,penetrability, and the like and has good printing performance, printing stability and storage stability of printing ink, light colors, good water resistance, strong penetrability, suitable aniline point, balanced dissolving capacity and release property to resin, no pungent odor and environmental protection. A printing ink product manufactured by the product has good printing quality, thick printing layer, uniform and full colors, bright colors and luster and strong printability.

The invention provides a steel ball number detecting machine, belonging to the field of detection equipment. The detecting machine comprises a worktable, a base, a laser sensor, an electrical control mechanism, a rotating mechanism, a feed mechanism and a sensing controller, wherein the feed mechanism is used for clamping or loosening the products with steel balls; the rotating mechanism is used for driving the laser sensor to rotate in 360 degrees; the laser sensor is used for detecting the positions of the steel balls; the sensing controller is used for setting the parameters indicating whether the steel balls are detected or not; and the electrical control mechanism is used for controlling the laser sensor, the rotating mechanism, the feed mechanism and the sensing controller to act. The detecting machine has the following beneficial effects: being used for detection, the detecting machine realizes large-scale and continuous automatic detection, has the advantages of convenient detection and high detection reliability, solves the problems which are ubiquitous in the prior art and are caused by visual fatigue or absent mind of the detectors, effectively avoids the possibility that the unqualified products flow to the next procedure and eliminates the potential risks of the automobiles therefrom.

The invention discloses a colored polyurethane paint having elastic handfeel and used for spraying and a preparation method as well as application thereof. The preparation method comprises the steps of taking 17-30 parts by weight of saturated polyester resin with a high hydroxyl value and 10-20 parts by weight of saturated polyester resin with a low hydroxyl value, then adding 0.2-1.0 part by weight of levelling agent, 20-35 parts by weight of butyl acetate, 10-30 parts by weight of dimethylbenzene and 6-8 parts by weight of matt powder, dispersing the mixture at a high speed until the fineness is below 5 microns, and finally adding 0.05-0.15 part of drier, wherein the solid contents of the saturated polyester resin with a high hydroxyl value and the saturated polyester resin with a low hydroxyl value are equal to or more than 40%; the levelling agent is siloxane; the matt powder is silicon dioxide; a solvent is the mixture of butyl acetate and dimethylbenzene; and nano color paste is prepared by grinding nano toners. The paint can be sprayed on plastic shells of electronic and electrical products, and has the advantage of excellent elastic handfeel.

The invention provides a wide screen projection method by utilizing single projection. The method comprises the following steps: converting image signals of different interfaces into an RGB pixel digital signal, a synchronizing signal and a control signal; subdividing the converted RGB pixel digital signal into N numbered frames of small images, wherein N is a natural number larger than 1; scanning each frame of the subdivided small image, and simultaneously outputting a control signal corresponding to the frame of the small image so as to control light path switchover; respectively transmitting the N numbered frames of the scanned small images to an image display device; utilizing a light source to provide light rays, wherein the light rays irradiates at the image display device after being subject to preprocessing; and after processing each frame of the small image, utilizing the corresponding control signals in the step 003 to control the light path switchover so as to respectively project the small images to the corresponding positions on a screen. The invention adopts a single projection technology to realize wide screen projection; and a control IC used in the invention utilizes a group of RGB signal transmission modules, and coordinates with a group of signals to realize wide screen projection.

The invention relates to a highway tunnel entrance and exit shading facility. The facility is suitable for an east-west tunnel entrance and exit with the speed limit ranging from 60 km / h to 80 km / h. The highway tunnel entrance and exit shading facility is composed of a supporting facility at the bottom, a connecting facility on the upper layer, a shading facility body at the top and a sight line induction system. The supporting facility comprises an arc-shaped reinforced concrete stand column; the connecting facility comprises a transverse annular arch frame, a longitudinal connecting steel pipe and an oblique connecting steel pipe; the shading facility body comprises light-transmitting plates with different light transmittances and an oblique shading plate arranged below the light-transmitting plates; the sight line induction system comprises an annular light reflection component and a flexible warning column; the annular light reflection component is a low-frequency annular light reflection component; the flexible warning column is a high-frequency flexible warning column; the reinforced concrete stand column is a medium-frequency reinforced concrete stand column; the transverseannular arch frame is a medium-frequency transverse annular arch frame; and the oblique shading plate is a high-frequency oblique shading plate. Coordination and unification of tunnel lighting energyconservation and driving safety can be achieved.

The invention relates to an electronic police checkpoint system capable of enhancing human eye light adaptive capacity at night. The system can effectively solve the problem that an existing checkpoint system flashing light severely affects the vision of drivers or pedestrians. According to the technical scheme, the system comprises a video detecting and photo capturing device, a light adaptation additional light supplementing device with the lighting brightness increasing gradually in the vehicle coming direction is arranged on the front side of the video detecting and photo capturing device, and a dark adaptation additional light supplementing device with the lighting brightness decreasing gradually in the vehicle going direction is arranged on the rear side of the video detecting and photo capturing device. The electronic police checkpoint system is novel and unique in structure, simple, reasonable, safe, reliable, capable of effectively solving the problem that the checkpoint system flashing light affects the vision of the drivers or the pedestrians, low in cost, convenient to install and good in use effect and has good social and economic benefits.

The invention discloses a device routing connection relationship rendering path deduplication method and an electronic device. The method comprises the following steps: S1, acquiring a building information model, extracting an equipment routing connection relationship from the building information model, and storing a connection path between every two parts of equipment in the equipment routing connection relationship in a directed graph data structure to form an equipment connection path group; S2, segmenting each connection path in the equipment connection path group to obtain a plurality ofsegmented paths; and comparing all the segmented paths to obtain the equipment connection path group which does not contain repeated segmented paths. According to the invention, the definition of thevisual model is improved, and the performance pressure is reduced.

The invention discloses a transparent A-column support. The transparent A-column support is composed of a left imaginary line horizontal direction sight line, a left imaginary line vertical direction sight line, an L groove 1, an L groove 2, a left inverted-T-shaped arc structure, human eyes, an inverted-T-shaped arc structure lower end, a right imaginary line horizontal direction sight line, a windshield, an inverted-T-shaped arc structure upper end, a right imaginary line vertical direction sight line, a right inverted-T-shaped arc structure, a support protection buckle, a support connecting buckle, a first support-containing support protection buckle connecting buckle, a second support-containing support protection buckle connecting buckle, a third support-containing support protection buckle connecting buckle, a right arc structure, a left arc structure and the like. The dead-corner-free blind-area-free panorama transparent inverted-T-shaped A-column support is formed through the L groove 1, the L groove 2, a left inverted-T-shaped arc structure 5, a right inverted-T-shaped arc structure 12, the right arc structure 18, the left arc structure 19 and the like.

The invention discloses an assembly quality detection system and method based on a frequency-response function. The system comprises an impact excitation unit, a measurement unit, an analysis unit andan output display unit, wherein at least one measuring point is arranged on a measured substrate, and the impact excitation unit produces a vibration signal in the position of each measuring point; the measurement unit comprises acceleration sensors, the acceleration sensors are arranged in the positions of all the measuring points in the surface, opposite to the acting surface of the impact excitation unit, of the substrate, acceleration signals are collected and transmitted to the analysis unit, and the analysis unit analyzes the collected data and judges whether assembly quality is qualified; the analysis unit transmits an analysis result to the output display unit for display. According to the scheme, a visual system is not needed when the assembly quality of the substrate is detected, and the problems of visual shading, poor light and the like of an operating environment are effectively solved; detection and analysis are realized automatically, manpower is saved, and workload ofa worker is reduced.

The invention relates to a road traffic double-color lighting device, which comprises a light-reflecting lampshade (4), a plurality of white lighting units (1), and a plurality of yellow lighting units (2), wherein the white lighting units (1) and the yellow lighting units (2) are light-emitting diodes, and the white lighting units (1) and the yellow lighting units (2) are respectively connected with a power control unit after grouping parallel connection. The road traffic dual-color lighting device has the advantages that the same device can emit white and / or yellow light to achieve full color visual effect and transmission effect, thereby greatly saving road traffic lighting device laying cost, and improving the applicability of the road traffic lighting device; meanwhile, the device is characterized by time-shared control and grouping setting, thereby adjusting brightness, color, on / off of the road traffic dual-color lighting device as required so as to save energy; and uniformly distributed radiating units can better solve the problem of heat dissipation, and prolong the service life of the device.

The invention provides a projection glass screen and relates to the field of imaging. The projection glass screen is in a layered structure and comprises a transparent glass substrate, a nanometer self-cleaning coating layer and a spectral absorption coating layer. The transparent glass substrate ahs a first surface and a second surface, which are opposite. The nanometer self-cleaning coating layer is contacted with the first surface; and the spectral absorption coating layer is contacted with the second surface. The first surface is a rough plane, and the roughness of the first surface is 0.05-1.5 microns. The projection glass screen can effectively reduce the intensity of reflected light, reduce dazzle light and improve imaging definition.

The invention relates to an environment-friendly intelligent plant lamp and a realization method thereof. The environment-friendly intelligent plant lamp comprises a human body movement sensor, a light ray sensor, a first conditioning circuit, a second conditioning circuit, a controller, an LED drive circuit, LED illumination lamps and an EEPROM connected with the controller, wherein the input end of the first conditioning circuit is connected with the human body movement sensor, and the output end of the first conditioning circuit is connected with the controller; the input end of the second conditioning circuit is connected with the light ray sensor, and the output end of the second conditioning circuit is connected with the controller; the input end of the LED drive circuit is connected with the controller, and the output end of the LED drive circuit is connected with the LED illumination lamps; and the LED drive circuit comprises a plurality of LED drive sub-circuits and the plurality of LED illumination lamps, and the output end of each LED drive sub-circuit is connected with one LED illumination lamp. The contradiction of different preference of people and plants for light can be coordinated through the technical scheme of the invention.

The invention provides an accurate modeling method for a complex structure pipeline based on a rocket body entity, and the method comprises the following steps: acquiring a box body entity point cloudmodel of a rocket body by using scanning equipment, and creating a conduit model by taking the point cloud model as a boundary and combining a conduit trend and a pipe bending process. According to the complex structure pipeline accurate modeling method based on the rocket body real object, the problem that a traditional carrier rocket sampling guide pipe is inaccurate in visual and hand breakingmachining is solved.

The invention discloses a manufacturing process for uvioresistant organic silica gel. The manufacturing process comprises the following steps that 1, by weight, organic silicon adhesive, hydroxide polysiloxane, dibutyl tin diacetate , compound stabilizer, lubricant, 5-30 parts of enhancer, 0.02-0.05 part of pigment, 5-8 parts of flexibilizer and 30-40 parts of ultraviolet light absorber are made into paste, and the upper surface of an original silica gel layer is coated with the paste in a one-off mode, wherein the ultraviolet light absorber is chlorinated benzotriazole type ultraviolet light absorber; 2, thermo curing and photo curing are conducted on the coated original silica gel layer, so that the uvioresistant organic silica gel is obtained, the thermo curing temperature ranges from 80 DEG C to 120 DEG C, and the thermo curing time ranges from 10S to 30S. By means of the manufacturing process, the formula is modified, the method that the ultraviolet light absorber and organic silica gel function layer parent stock are mixed, heated and molten and then are drawn to form the organic silica gel is adopted, and the problems that in the prior art, organic silica gel is colored, and the visual effect is affected are solved. By means of the weather resistance of the organic silica gel, the ultraviolet light absorber is not prone to transferring, and the timeliness of the uvioresistant function is greatly prolonged.

The invention discloses a stainless steel wiredrawing technology, and relates to the field of stainless steel production. The stainless steel wiredrawing technology comprises the following steps that1, the surface of a stainless steel sheet is degreased; 2, the front face of the stainless steel sheet is covered with a photocureable coating material; 3, a film material is pasted onto the front face of the stainless steel sheet; and 4, photocuring is conducted. After the stainless steel sheet is subjected to degreasing, passivating, cleaning and air drying, the photocureable coating material issmeared onto the front face of the stainless steel sheet, the side with the treating agent is covered with the film material, thus, the photocureable coating material makes contact with the stainlesssteel sheet along lines on the film material, accordingly, the photocureable coating material reacts with the stainless steel sheet along the lines on the film material, and chemical wiredrawing is conducted on the stainless steel metal sheet.

The invention discloses an ultraviolet-resistant organosilicon adhesive which comprises an original silicon adhesive layer and a functional layer. The functional layer comprises the following components in parts by weight: 50-70 parts of organosilicon adhesive, 30-50 parts of hydroxy polysiloxane, 3-5 parts of dibutyltin diacetate, 1.2-2 parts of composite stabilizer, 1-2 parts of lubricant, 5-30 parts of reinforcer, 0.02-0.05 part of pigment, 5-8 parts of toughener and 30-40 parts of ultraviolet absorbent. The ultraviolet absorbent is a chlorobenzotriazole ultraviolet absorbent. By improving the formula, the ultraviolet absorbent and organosilicon adhesive functional layer master batch are mixed and molten by heating, and drawn to form the organosilicon adhesive, thereby solving the problem that color in the organosilicon adhesive in the prior art influences the visual effect. Meanwhile, by the aid of the weather resistance of the organosilicon adhesive, the ultraviolet absorbent can not easily migrate, thereby greatly prolonging the timeliness of the ultraviolet-resistant function.

The invention discloses a preparation process of an anti-ultraviolet electric insulating tube. The preparation process of the anti-ultraviolet electric insulating tube is characterized by comprising the following steps that 1, PVC 15-50%, magnesium hydroxide 15-50%, nano calcium carbonate 20-55%, an initiator 0.1-2.0%, an antioxidant 0.05-1.0%, calcium stearate 0.1-1% and an ultraviolet absorber 30-40% are adopted by weight, wherein the ultraviolet absorber is slurry prepared from chlorinated benzotriazole ultraviolet absorbent according to weight parts and is uniformly applied to the upper surface of a base tube to form a function layer; 2, the coated base tube is subjected to thermal curing and photocuring to complete preparation, wherein the thermal curing temperature is 80-120 DEG C, the time is 10-30 seconds, the photocuring strength is 80-120 W / cm, the dosage is 100-400 J / cm<2>, and the irradiation time is 5-20 seconds. The formula is improved, and the problem that base tube films in the prior art are colored and accordingly a visual effect is influenced is solved by adopting a method including the steps of mixing an ultraviolet absorbent and a base tube functional layer masterbatch, performing heating and melting and then performing film-drawing forming to obtain base tube films.

The inventive patent of the present invention discloses a transparent A-pillar structure, a line of sight in the horizontal direction of the left dotted line, a line of sight in the vertical direction of the left dotted line, groove 1, groove 2, the left I-shaped structure, the human eye, the lower end of the I-shaped structure, and the right Dotted line horizontal line of sight, windshield, upper end of I-shaped structure, right dotted line vertical line of sight, right I-shaped structure, bracket protection buckle, bracket connection buckle, bracket protection buckle with bracket connection buckle 1, bracket protection buckle with bracket connection buckle 2. The bracket protection buckle includes the bracket connection buckle 3. The arc structure on the left side and the arc structure on the right side. The present invention consists of 3. groove one and 4. groove two and 5. the left side I-shaped structure and 12. the right side I-shaped structure and 18. the left side arc structure and 19. the right side arc structure to form no dead angle. Panoramic view of the blind area with a curved A-pillar structure.

A photovoltaic power station operation and maintenance device disclosed by the present invention comprises a shell and a cleaning brush, a solar assembly is installed at the top end of the shell, the cleaning brush is installed on a horizontally distributed transverse shaft, the top end of a vertical shaft is connected with a motor installed on the shell, and two second conical teeth are symmetrically arranged up and down. The edges of the two second conical teeth are engaged with the first conical teeth, and the two second conical teeth are rotationally installed on the vertical shaft through one one-way bearing. According to the operation and maintenance device for the photovoltaic power station, two groups of cleaning brushes rotate in different directions, so that surface dust is prevented from being sprung to other board areas in the maintenance process, the dust is gathered in the device, air pressure is generated by using rotating power to thoroughly discharge the dust, and meanwhile, the operation and maintenance device has the functions of hot spot detection and hot spot marking; the characteristic that the surface temperature of the hot spot is high is utilized to drive the memory alloy material to deform and generate driving force to complete marking of the position of the hot spot, and faster overhauling is achieved.

The invention discloses a multilevel transparent windscreen wiper. The multilevel transparent windscreen wiper is composed of a high-strength transparent windscreen wiper locater, a high-strength transparent center shaft, a high-toughness soft windscreen wiper interlayer, a first high-toughness transparent windscreen wiper layer, a first high-toughness transparent brush layer, a second high-toughness transparent soft windscreen wiper layer, a second high-toughness transparent brush layer, a high-strength transparent windscreen wiper support, a high-strength transparent windscreen wiper driving wall, a first high-strength transparent driving support port, a driving motor, a second high-strength transparent driving support port, a first high-strength transparent clamping groove reinforcing rib, a second high-strength transparent clamping groove reinforcing rib and the like. The high-strength transparent windscreen wiper support 8, the high-strength transparent windscreen wiper driving wall 9, the driving motor 11 and other components form a multifunctional scraper device for dust, rainwater and the like.

The present invention adopts a card-type spacer-type convection barrier, which includes two or more light-transmitting plates forming an interlayer. The double-layer light-transmitting plates are sealed and connected to the spacers around the light-transmitting plates, transparent fins, and fin installation barriers. It is characterized in that the spacers form a rectangular side frame, and the fins are installed on the retaining strips and the spacers are buckled through the slots. Molecular sieves or hygroscopic agents can be placed in the cavity formed between the two, and the transparent wings are vertically and parallelly arranged on the upper and lower sides. The lower fins are installed between the retaining bars. Since the above-mentioned spacers are set to form a rectangular side frame, and the fins are installed and fastened with the spacers through the slots, the manufacturing and installation process is simpler and the cost is reduced; at the same time, transparent wings are vertically and parallelly arranged on the upper, The lower fins are installed between the retaining bars, so the downward tension or gravity can be used to hang the fins, which can effectively fix the fins and solve the problem of easy sagging of the middle part of the fins when the width of the light-transmitting sandwich panel is large. It causes visual discomfort, thereby improving the reliability of use and expanding the application range of width. Compared with the existing technology, the vertical and parallel arrangement of the fins can limit the upper and lower convection and front and rear backflow of the heated air. The thermal insulation performance and light transmittance of the light-transmitting plate are improved in the same range.

The invention discloses a transparent inverted-T-arc-shaped support. According to the transparent inverted-T-arc-shaped support, a left horizontal dotted sight line, a left vertical dotted sight line, a first L-shaped groove, a second L-shaped groove, a left inverted-T-arc-shaped structure, human eyes, an inverted-T-arc-shaped structure lower end, a right horizontal dotted sight line, a windshield, an inverted-T-arc-shaped structure upper end, a right vertical dotted sight line, a right inverted-T-arc-shaped structure and the like are included. A no-dead-corner panoramic transparent inverted-T-arc-shaped support body is formed by the first L-shaped groove 3, the second L-shaped groove 4, the left inverted-T-arc-shaped structure 5 and the right inverted-T-arc-shaped structure 12. A transparent inverted-T-arc-shaped support body is formed by embedding one side of the windshield into the first L-shaped groove 3 and embedding a transparent sealing strip into the second groove 4 for vehicle door sealing. The inverted-T-arc-shaped structure upper end 10 and a canopy of a vehicle are connected to form a canopy and a vehicle body as a whole. The inverted-T-arc-shaped structure lower end 7 and the vehicle body of the vehicle are connected to form a firm integrity.

The invention belongs to the technical field of building structures, and particularly relates to a composite inner wall with sound absorption and image display functions and application thereof. The composite inner wall with the sound absorption and image display functions comprises a first layer, a second layer, a third layer, a fourth layer and a fifth layer from inside to outside, wherein the first layer is a foundation inner wall, the second layer is a keel, the third layer is a porous sound absorption plate, the fourth layer is a photochromic coating, and the fifth layer is a coated optical filter. According to the composite inner wall with the sound absorption and image display functions and the application thereof, the porous sound absorption material is applied to the inner wall ofa subway train tunnel for sound absorption and noise reduction for the first time, and the problems that when a subway train runs in a following way, the noise coupling reverberation duration of a tunnel train is long, and the sound pressure level is high are solved; and meanwhile, the photochromic technology is combined, the photochromic coating is formed on the surface of the porous sound absorption plate, and therefore a dynamic pattern can be formed on the inner wall of the tunnel, visual fatigue of a driver is eliminated, the attraction of commercial advertisements is improved, and thedual functions of noise reduction and image display are achieved. The coated optical filter matched with the composite inner wall is further additionally arranged, and the noise reduction and image display functions are further improved through the synergistic effect.