75results about How to "Increase viewing distance" patented technology

The invention discloses headlamp adaptive control method and device. The method comprises the steps of: (1) acquiring the current speed v of an automobile in real time, and acquiring the safe stopping distance S of the automobile at the current speed; (2) acquiring a horizontal deflection angle omega corresponding to the optimum lighting position of the headlamp; (3) acquiring a vertical deflection angle beta corresponding to the optimum lighting position of the headlamp; and (4) outputting control signals to control the turning of the headlamp in real time. The device comprises a control unit (1), and a detection unit (2) and a driving mechanism (3) which are respectively connected with the control unit (1), wherein the detection unit (2) comprises a speed sensor (21), a steering wheel angel sensor (22), a front ride height sensor (23), a rear ride height sensor (24), a sunshine and rain sensor (25) and an acceleration sensor (26). The invention has the advantages of large lighting range, good lighting effect, no reflected glare, simple structure, accurate control, good environmental suitability, safety, reliability and comfortable drive.

The invention discloses a vehicle safety auxiliary video image processing method. Images acquired by a vehicle-mounted video device are processed. The method comprises the image enhancement, noise reduction and strong light inhibition method, the road line detection method and the obstacle monitoring method. According to the processing method of the invention, the improved Retinex algorithm is adopted to perform local enhancement on the images, and at the same time, the dynamic histogram mapping algorithm is adopted to perform overall image enhancement, the two enhancement results are combined in the weight form to obtain the final enhanced images, effects, such as image enhancement, noise elimination, color sharpening, etc., can be realized, the image contrast and definition can be improved to obtain images which are close to the original images and conform to human visual characteristics, and characteristics of road line detection and obstacle distance measurement can be realized.

A speed sensor and a luminance sensor are adopted in the method to induce speed of vehicle and luminance in front of the vehicle. Based on speed and luminance detected, a controller controls motor to actuate reflecting bowl to adjust illumination distance. The invention reduces inconvenience for drivers to switch between headlights on full beam and dipped headlight so as to raise safety in driving car at night.

A stereoscopic image display device includes a display panel for displaying an image; a liquid crystal lens layer positioned under the display panel that refracts light like a lenticular lens depending on application of power, the liquid crystal lens layer including a plurality of nano polymer-dispersed liquid crystals (PDLC); a barrier layer integrally formed under the liquid crystal lens layer that has a light transmitting position and width that change depending on a power applying position, the barrier layer including a plurality of reflective PDLCs; and a backlight unit (BLU) positioned under the barrier layer that is configured to provide light to the display panel.

The invention relates to a tower type traffic safety warning device. The tower type traffic safety warning device comprises a tower base and a support comprising a first front stand bar, a second front stand bar and a rear stand bar, the first front stand bar, the second front stand bar and the rear stand bar are hinged to the lower end of the tower base, and a rotary shaft of the rear stand bar is perpendicular to the extension line of a rotary shaft of the first stand bar and the extension line of a rotary shaft of the second front stand bar respectively; the lower end of the first front stand bar and the lower end of the second front stand bar are respectively provided with a transverse fixing board, and light reflection warning pieces are arranged on the surface of the rear stand bar, the surface of the first front stand bar, the surface of the second stand bar and the surfaces of the transverse fixing boards respectively. The tower type traffic safety warning device is supported stably when placed on the ground, has a long-distance warning effect, can be stretched in, and is easy to carry.

The invention relates to a regional interconnected intelligent solar street lamp control method. According to the method, a control apparatus for adjusting the brightness of solar street lamps in different periods at night is provided, pedestrians or vehicles can be detected through sensors, simultaneous turn-on of a plurality of street lamps adjacent to wireless emitters is controlled through the low-power-consumption wireless emitters, a time-delay circuit is turned on, and the street lamps are turned to low-power-consumption illumination or are turned off after the pedestrians or the vehicles leave for a certain period.

The invention discloses a wet vibrating string curtain type dust extraction fan used in a coal mine and an application method thereof. The fan is characterized in that spray heads are arranged at the four sides of an air channel of a drawer-type anti-explosion ventilator; a section of air drum is connected at the outlet of the air channel; a sprinkler head and a vibrating string curtain are arranged inside the air drum; the sprinkler head sprinkles towards the vibrating string curtain; and a drain outlet is arranged below the outlet of the air drum. The vibrating string curtain is formed in such a manner that vertically strained steel strings are distributed on a frame. The application method of the fan includes the steps that a pressurized water pipe is connected with the spray heads and the sprinkler head through quick connectors; when dusty air passes through the air channel, the dust is wetted by mist spray and is attached, detained and captured on the vibrating string curtain; the captured dust on the vibrating string curtain falls off under the vibration generated by air impact and is flushed by water spray; and finally the dust mixture is discharged from the drain outlet along with the water flow under the action of dead load. According to the wet vibrating string curtain type dust extraction fan, the dust concentration in the tunneling process can be greatly reduced, the dust intake volume of the underhole operators is reduced, the operating environment is improved, the visual range and the visibility of the operators are increased and the safety in the tunneling operation is enhanced.

The invention belongs to the technical field of civil construction equipment, and particularly provides a safety guardrail with good warning performance and used for civil construction. The scheme isprovided for solving the problems of the poor warning effect at night and unadjustable height. The safety guardrail comprises a fixed base, wherein the top of the fixed base is connected with a firstsupporting column through bolts, the outer wall of the top of the first supporting column is in threaded connection with a first installation column, the bottom of the outer wall of the first supporting column is connected with a fixed base plate through threads, and the top of the outer wall of the first supporting column is connected with a fastening nut through threads. The top of the first supporting column is connected with a supporting rod through bolts, and the top of the supporting rod is connected with a supporting frame shaped like a Chinese character 'tian' through bolts. A solar cell panel, a storage battery and an MPPT controller are arranged, the solar cell panel converts solar energy into electric energy through the MPPT controller, the electric energy is stored in the storage battery through a wire, and the storage battery provides energy for the whole safety guardrail, so that much energy is saved, and the safety guardrail is environmentally friendly and economical.

The invention discloses an urban traffic information indicator system with complementation between solar energy and alternating current. The urban traffic information indicator system with the complementation between the solar energy and the alternating current comprises a power supply system, a controller, a sampling unit, a memory unit, a display unit, an electrical level switching circuit, a clock calendar chip and an upper computer, wherein the power supply system supplies power for the controller and the controller controls the power supply system, the sampling unit collects road traffic information and transmits the road traffic information to the controller, the memory unit is connected with the controller, the display unit displays current traffic information in real time, the electrical level switching circuit is connected with the controller and the display unit and converts electrical level of a transistor-transistor logic(TTL) to electrical level of a radio station (RS) 232, the clock calendar chip is connected with the controller, and the upper computer is arranged in a command center and transmits wireless information with the controller through a wireless transmission unit. Changing-over between the alternating current and the solar energy power supply is achieved, the current road condition information is transmitted to an urban traffic command center in real time, various road signs and important word prompt message can be displayed at the same time, the road condition information which is strong in timeliness and is strong in pertinence is provided for drivers, and traffic pressure can be released to a large degree.

The invention discloses intelligent electronoluminescence methods and devices, and relates to the field of fishing tackles for fishing. Multiple methods and multiple devices are included; one device is composed of a device shell, a micro circuit board and a pin type battery, wherein the device shell is made of a soft-elastic transparent material, one end of the device shell can be inserted into a floating tail, the middle of the device shell is loaded into the micro circuit board, the other end of the device shell can be inserted into a pin type battery, and the micro circuit board integrates an LED, a single chip microcomputer, an acceleration sensor and a battery socket; the devices detect the motion states of the devices through the acceleration sensors, acceleration data in the vertical direction is transmitted to a program of the single chip microcomputer in real time for analysis and adjustment, on and off of different LED are determined according to the judging results, fishermen are prompted according to different color changes, and therefore fish messages are learned. The intelligent electronoluminescence methods and devices have the advantages of being easy to use, miniature, lightweight, high in speed and precision, intelligent, capable of saving energy, easy to interpret, firm, durable and high in adaptability.

The invention relates to the field of rod traffic sign manufacturing, in particular to an all-transparent type luminous road sign. The all-transparent type luminous road sign comprises a box body and a bottom plate for the box body which are composed of frame profiles and skeleton profiles. The all-transparent type luminous road sign is characterized in that the skeleton profiles are horizontally arranged in the box body, vertically installed angle aluminums are connected between the frame profiles and the skeleton profiles, a panel of the box body is transparent panel, the ends of the skeleton profiles are fixedly connected with transparent strengthening ribs, and the transparent strengthening ribs are fixed to the inner side of the transparent panel. A reflecting film is stuck on the outer side of the transparent panel. The all-transparent type luminous road sign has the advantages that a sign panel is luminous entirely, and the visual range of the sign is improved; transparent PC alloy is bonded to the pane through the reflecting film, the structural strength is higher through the adoption of the transparent strengthening ribs, the full transparence is realized, and light reflecting function of a common sign is possessed at the same time.

The invention relates to the technical field of image processing, in particular to a model manufacturing method based on LOD, a model manufacturing device based on LOD, a storage medium and electronicequipment. The method comprises the steps of acquiring a high-order model and a corresponding poster, and dividing and combining the poster into a poster and a public poster; manufacturing a corresponding low-surface-number model according to a preset rule based on the high-order model; distributing the poster according to the low-surface-number model to obtain UV of the poster corresponding to the low-surface-number model; and baking the poster according to the UV of the low-surface-number model to obtain a low-order model. The manufacturing efficiency of the model can be improved, and the research and development cost, the time cost and the model iteration cost can be effectively reduced.

The invention discloses tunnel illumination lamps and a tunnel illumination system capable of improving a visual range. Each of the tunnel illumination lamps comprises a substrate provided with a light source assembly, wherein a luminous film coats the surface of each of the substrates; each of the luminous films contains a luminous material; the theoretical chemical composition of the luminous materials is as follows: M(1-x-y-z)Al2O4:xEu<2+>,2xDy,yR<3+>,zCe<3+>; the tunnel illumination system comprises the tunnel illumination lamps which are symmetrically mounted on the height, being 2.0 m to5.0 m, of the two sides of a tunnel arched wall; and a plurality of retroreflective induction labels are arranged on the arched top which is positioned between the tunnel illumination lamps. According to the tunnel illumination lamps and the tunnel illumination system capable of improving the visual range disclosed by the invention, the effective visual range of human eyes in a light environmentis effectively improved, the phenomena of black holes and blind light of entrances and exits of tunnels can be eliminated or reduced, and the safety during driving is ensured.

The invention discloses an LED light-emitting structure and a spike with the same. The LED light-emitting structure comprises a transparent shell (1), an LED luminous body (2) with a light condensingelement, a separation body (3) and an air layer (4), the LED luminous body (2) is packaged in the transparent shell (1) through the separation body (3), light emitted by the LED luminous body (2) is mainly condensed by the condensing element, incident by an inner inclined surface (1b), refracted by a side wall with a certain thickness, emitted by an outer inclined surface (1a), emitted in the horizontal direction, mainly emitted in the upward direction and supplemented by emitted in the horizontal direction, and the LED luminous body (2) emits light in the horizontal direction to generate a local structure capable of generating upward displacement. The horizontal emergent light intensity ratio is high, the light energy utilization rate is high, the structural design allowance delta H and the power supply design allowance are improved, the structural strength is high, the forming process of the shell is facilitated, the light emitting intensity ratio in the horizontal direction and theupward direction are reasonably distributed so as to be more suitable for different emphasis points of vehicles and pedestrians, and the diversified requirements of roads are well met.

The invention relates to the technical field of traffic safety of expressways and especially relates to an expressway danger-avoiding lane guidance system. The system comprises a four-stage mark guidance system and a four-layer linear guidance system. The four-stage mark guidance system comprises a first danger-avoiding lane forecast sign, a second danger-avoiding lane forecast sign, a curve warning sign, a danger-avoiding lane warning sign, a portal type danger-avoiding lane guide sign and a danger-avoiding lane confirmation sign. The four-layer linear guidance system comprises a warning typelinear guidance mark, a circular base type delineator, a protruding road sign, a rectangular delineator, a flexible warning column and an anti-collision barrel. The four-stage mark guidance system provides perfect way-finding information, a purpose of inducing an out-of-control vehicle to a braking slope bed of a danger-avoiding lane is achieved, and a probability that a truck driver misses the danger-avoiding lane is remarkably reduced. The four-layer linear guidance system realizes contour guidance and horizontal, longitudinal and transverse linear guidance of a danger-avoiding lane sectionand adjacent main line obstacles, and reduces the probability of colliding with a front vehicle and the obstacles.

The invention relates to a fireproofing lint fabric capable of focusing light in a noctilucent layer. The fireproofing lint fabric comprises a spandex lint fabric body (1), wherein an anti-radiation layer (2) is arranged on the upper surface of the spandex lint fabric body, a wear-proof layer (4) is arranged on the upper surface of the anti-radiation layer (2), and an antibacterial layer, a fireproofing layer, a waterproof layer and a closed-fit layer are sequentially arranged on the lower surface of the spandex lint fabric body; and a lining fabric layer is arranged on the back of the closed-fit layer and comprises a noctilucent layer, a light focusing layer is arranged above the noctilucent layer, a plurality of protruded prismatic bodies are arranged on the light focusing layer, and the noctilucent layer is a fabric blended with noctilucent fibers, and the prismatic bodies are triquetrum bodies. The fireproofing lint fabric has stereoscopic impression as well as the functions of resisting bacteria, radiation, fire, water, wear and the like and is capable of focusing light in the noctilucent layer.

The invention discloses an intelligent pedestrian crossing early warning system and belongs to the technical field of traffic management. The system comprises early warning devices arranged on road plate bricks or green belts on two sides of a road and wireless solar light emitting spikes buried on pedestrian crosswalk lines, wherein infrared detection devices are installed on the road plate bricks at two ends of the pedestrian crossing line, each infrared detection device comprises two symmetrically-arranged infrared emission columns, infrared detectors for emitting infrared light oppositelyare installed on the infrared emission columns, the early warning device comprises an installation stand column, a battery box, a light emitting sign, a broadcaster and a solar panel are installed onthe installation stand column, and an early warning control system is installed in the battery box. The system is advantaged in that pedestrian crossing is accurately detected through the two infraredcorrelation columns, a driver is reminded through the light emitting signs and the buried wireless solar light emitting spikes, pedestrians are warned through voice broadcast at the same time, safetyof pedestrian crossing is improved, and the false alarm rate of the early warning device is further reduced.

A multifunctional rescue street lamp comprises a rotating base, a water pump, a rotating shaft, a telescopic lamp pole, a fixing bolt, a lamp holder pole, a base rotating shaft, a telescopic rod rotating motor, a telescopic rod telescopic motor, a spray head, a lifting hook, a lamp holder and a water valve. Through the rotation and telescoping of the telescopic lam pole, the street lamp can be switched into different modes; the water pump and the spray head are arranged to put out fire; and the lifting hook can be used for rescuing faulty vehicles, so the problem that a common street lamp is single in function and cannot conduct rescue is solved.

The invention discloses an infrared endoscope auxiliary device which comprises a cooling system for decreasing human blood temperature, a dilution system for reducing the hemoglobin concentration in blood, and a control system for monitoring and controlling the operation of the cooling system and the dilution system. The infrared endoscope auxiliary device improves the imaging quality of an infrared endoscope by reducing the hemoglobin concentration in the blood and decreasing the blood temperature at a surgical site, thereby reducing body damage to a patient and improving the quality of an operation.

The invention discloses a preparation method of an area light source DFLED lamp capable of emitting light in delayed mode. The preparation method comprises the steps of spin-coating, spray-coating orroll-coating a conductive tin indium oxide film with an aniline and polyvinyl carbazole mixed solution, and drying to form an electron hole layer; spin-coating, spray-coating or roll-coating CsPbBr3 quantum dots on the electron hole layer; spin-coating, spray-coating and roll-coating zinc oxide sol prepared by chemical combination on the CsPbBr3 quantum dot light-emitting layer to form an electrontransport layer, and carrying out vacuum evaporation on the electron transport layer to form an aluminum electrode; adhering wires on the electron transport layer and the aluminum electrode by usingconductive silver adhesive respectively; spraying, shower-coating or roll-coating long-afterglow UV paint emitting blue-green light on the other surface of the conductive tin indium oxide film, and forming a time-delay light-emitting area light source film through light curing; and bonding an aluminum electrode on the upper layer of the uniformly brushed heat-conducting insulating silica gel on aheat dissipation aluminum plate to obtain the area light source DFLED lamp with the time-delay light-emitting effect.