63results about How to "Irradiation distance is far" 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.

An automobile headlamp based on laser excitation of a fluorescence optical fiber comprises a laser module, an optical fiber and the fluorescence optical fiber, wherein the laser module is used for emitting a laser; the optical fiber is connected with the laser module and used for transmitting the laser emitted by the laser module; and one end of the fluorescence optical fiber is connected with the optical fiber, and a lens is processed on the other end surface of the fluorescence optical fiber. According to the automobile headlamp based on laser excitation of the fluorescence optical fiber, the design of the automobile headlamp is greatly simplified; the structure is compact; the laser module is easy to replace; through connection of the optical fiber, the laser module can be placed in places outside the automobile headlamp, so that a better heat dissipation effect is achieved; and in addition, the automobile headlamp has a farther irradiation distance.

The invention discloses a laser dazzler with an adjustable laser beam divergence angle. The laser dazzler comprises a laser emitting device, a concave lens, a convex lens, a transmission motor and a control circuit; the laser emitting device, the concave lens and the convex lens are placed in sequence from left to right and are positioned on the same axis; the distance position between the laser emitting device and the concave lens is fixed, and the distance between the concave lens and the convex lens is changed through the movement of the convex lens; a control circuit comprises a laser emitting module and a motor control module; the laser emitting module is connected with the laser emitting device; the motor control module is connected with the transmission motor. The control circuit ofthe laser dazzler with the adjustable laser beam divergence angle can realize the functions of adjusting pulse frequency, pulse width and emitting power by changing the duty cycle of a driving signalof the laser emitting device.

The invention discloses an illumination simulation system for a lunar surface topogram environment comprehensive simulation testing field, which comprises a dysprosium lamp and a plurality of dysprosium lamps, wherein the dysprosium lamp is arranged on a unilateral wall body of the lunar surface topogram testing field in a sealed dark space for simulating oblique fire of the sunlight, and has a power not less than 4KW; and the plurality of dysprosium lamps are distributed on peripheral wall bodies of the testing field and have the power not less than 1.2KW. The illumination simulation system is realized by the dysprosium lamps; the color temperature of the dysprosium lamps can reach 5,600K which is close to spectral characteristic of the sun; and the dysprosium lamps can obtain better CCD imaging effect and have the advantages of high luminous efficiency, high color temperature stability, stable illumination intensity, long service life, even illumination, long irradiating distance, large irradiated area, etc.

The invention discloses an illumination method taking LEDs as a light source, wherein, the LEDs are intensively arranged on an LED fixing plate to form an array; each LED and the LED fixing plate form a certain setting angle so that the light emitted by the LED is shed to an illuminating unit corresponding to the LED; a convex lens is arranged in front of the LED; and the LED is positioned between single focus and twice focus of the convex lens; and the distance between the LED and the convex lens can be adjusted. After the proposal is adopted, because each LED is arranged according to different angles and forms correspondence to the illuminating unit on the illuminating side, the light emitted by each LED forms a condensed light spot instead of complete diverging light on the illuminating side, thereby the illuminating distance is long; the arranging intervals of the LEDs and the position of the convex lens are adjusted so that images of all LEDs on the illuminating side are closely arranged and distributed in the whole area; residual light on the edges of the LEDs is omitted so that the edge brightness of the illuminating side of an LED illumination device is high; therefore, the illumination of the whole LED illumination device is even and the range of the illuminating side is increased.

The invention provides an optical fiber conduction laser vehicle lamp which comprises a laser module, an optical fiber, a reflection cup and a fluorescent piece. The laser module is used for emitting laser. One end of the optical fiber is connected with the laser module, and the optical fiber is used for transmitting laser emitted by the laser module. The reflection cup is connected with the other end of the optical fiber. The fluorescent piece is arranged in the reflection cup, and fluorescent matter is arranged on the fluorescent piece. Laser is transmitted into the reflection cup through the optical fiber, the laser is irradiated to the fluorescent piece, the florescent matter is motivated to generate white light beams, and the reflection cup reflects and processes the white light beams to form parallel light beams.

The present invention discloses a vehicle-mounted surface unevenness monitoring method based on multiple sets of laser lines. A monitoring device includes laser line emitters, an imaging device, an image acquisition device, an information processing device and a road condition warning device. The imaging device is responsible for the real-time monitoring of an image formed by laser line signals emitted by the laser line emitters on a road surface to obtain a road surface image signal. The image acquisition device reads the road surface image signal and converts the signal into a digital signal, then transmits the signal to the information processing device to carry out analysis calculation, a road surface pit depth or raised height is obtained and is compared with a vehicle minimum groundclearance h, and a driver is timely notified through the road condition warning device when passing requirements are not satisfied. The method has the advantages of a simple and convenient algorithm and a reliable conclusion, the real-time monitoring of road surface unevenness is facilitated and is timely delivered to the driver, and the driving safety is greatly improved.

The invention relates to the technical field of pilot lamps, and discloses an auxiliary pilot lamp for road traffic. The auxiliary pilot lamp comprises a ground; a fixed seat is fixedly mounted at thetop of the ground; a vertical bar is fixedly mounted at the top of the fixed seat; a mounting plate is fixedly mounted at the top of the right side surface of the vertical bar; a pilot lamp is fixedly mounted on the front of the mounting plate; and a backup power supply and a main power supply are fixedly mounted at the bottom of an inner cavity of the ground in sequence from left to right. According to the auxiliary pilot lamp for road traffic, the backup power supply and the main power supply are arranged, so that when an urban road is power off, the electromagnetic field of an electric magnet disappears due to losing power of the main power supply, a first magnet is pulled to the back of a baffle plate and then is electrically connected with a first connector under the tensile force ofa compression spring, and the pilot lamp can continue working after the urban road is power off, thereby ensuring the working efficiency of the pilot lamp, reducing the probability of traffic accidents and improving the practicability of the pilot lamp.

The present invention provides an environment monitoring instrument based on an IOT. The environment monitoring instrument comprises a micrometer head, a control device, a calibrated scale, a circuit board, battery equipment, a measuring device, lifting adjustment equipment, a monitoring device, base equipment, rotation equipment, a level gauge, a guide plate and a sliding groove. The micrometer head is arranged at the lower part right side position of the control device. The calibrated scale is arranged at the right side position of the circuit board. The battery equipment is arranged at the upper part position of the sliding groove. The measuring device is arranged at the middle position of the calibrated scale. The lifting adjustment equipment is arranged at the upper part connection position of the base equipment. According to the environment monitoring instrument, through arranging the control device, the measuring device and the monitoring device, the environment monitoring instrument is convenient to use, the operation is fast, the measurement effect is improved, thus the functional diversity is improved, the maintenance cost is reduced, and a best use effect is achieved.

The invention discloses a light emergent angle adjustable LED wall washer lamp. The light emergent angle adjustable LED wall washer lamp comprises an LED wall washer lamp outer cover and fixed supports. A PCB substrate is mounted in the LED wall washer lamp outer cover. Dense LED lamp beads are mounted on the PCB substrate. The inner surface of the LED wall washer lamp outer cover is provided witha coating solar absorption coating. The two sides of the LED wall washer lamp outer cover are provided with lamp bases. The lamp bases are connected with a light condenser through supporting columns.The outer surface of the light condenser is provided with a light transmitting plate. The lamp bases are connected with a driving motor through a rotary spindle. The fixed supports are mounted on therotary spindle. The bottom ends of the fixed supports are provided with supporting bases. The rotating angle of the LED wall washer lamp can be controlled through the driving motor to achieve automatic angle adjustment. Labor force is saved. The light condenser is arranged above the LED wall washer lamp outer cover. The light condenser can gather light emitted from the LED lamp beads and then shoots the light out, so that the illumination distance is longer, and the generated brightness and the lighting effect are more obvious.

The invention relates to an energy-saving-type green laser marking device. The energy-saving-type green laser marking device comprises a control circuit, an outer cylinder body, an inner cylinder body, a laser source, a lens and a cylindrical lens, wherein the outer cylinder body is internally provided with a columnar cavity body; the inner cylinder body is arranged in the columnar cavity body and is internally provided with a columnar cavity body; the lens is vertical to the central line of the inner cylinder body and is arranged at the middle part in the inner cylinder body; the laser source is a green glow semiconductor laser device which is arranged at one side with a laser inlet of the outer cylinder body; the cylindrical lens is arranged at one side with a laser outlet of the outer cylinder body; the lens is arranged between the green glow semiconductor laser device and the cylindrical lens; the green glow semiconductor laser device is connected with the energy-saving control circuit. The energy-saving-type green laser marking device provided by the invention is long in irradiation distance, low in use power, and good in laser stability.

The invention provides a laser flashlight. The laser flashlight comprises a flashlight body, a power source, a lighting module and a control switch. The power source is arranged on the inside of the flashlight body. The lighting module is arranged at the front end of the flashlight body. The control switch is mounted on the flashlight body in an embedded mode. The power source is connected with the lighting module and the control switch correspondingly. The lighting module includes an optical device and an optical device barcket. The optical device is fixed to the inside of the optical device bracket. The optical device includes a laser light source, a collimator lens, a focusing lens, a fluorescent powder film and a reflection cup arranged on the optical device bracket in sequence from bottom to top. The laser light source is installed in the center of the bottom of the optical device bracket. A light transmission cover is arranged on the top of the optical device bracket. The top of the reflection cup is closely connected with the light transmission cover. The laser flashlight is simple in structure, the light energy loss is greatly reduced, and the utilization rate of light energy is improved; the laser flashlight has the advantages of good in directivity, far in irradiation distance and the like; and the actual lighting demand can be satisfied well.

An energy-saving lamp of mine car is prepared as connecting multiresonant auto-exciting oscillator circuit to automatic conversion circuit being connected to automatic voltage regulation circuit, connecting automatic voltage regulation circuit to voltage stabilized circuit being connected to low-high voltage conversion circuit, connecting low-high voltage conversion circuit and voltage stabilized circuit as well as automatic voltage regulation circuit separately to multiresonant auto-exciting oscillator circuit.

The invention provides a reflective curved surface LED lamp which comprises a reflecting device, a light-emitting device and a heat radiating device, wherein the reflecting device is a transparent protective cover 11 plated with a reflective film 10; and the light-emitting device consists of a light-emitting chip 5, a substrate 4, a leading wire 3 and a leading wire support 2, the whole light-emitting device is placed in a solid lens 1 molded by one-time plastic injection, the light-emitting chip 5, the leading wire 3, one end of the leading wire support 2, the inner surface of the substrate 4 and the like are wrapped in the solid lens 1, and the heat radiating device comprises a semiconductor refrigeration piece 7 and a heat radiating sheet 6. The heat radiating device is mounted on the outer surface of the substrate, and the whole light-emitting device and the heat radiating device are arranged on the lower surface of the reflecting device. The reflective curved surface LED lamp can solve the technical problems that divergent light with large angle is converged in a smaller range, thereby leading the radiation distance to be farther and leading the positioning of a light beam to be better. The requirements on the structure and materials of the reflective curved surface LED lamp are very simple, thereby being easy to carry out large-scale production and realizing broad prospects.

The invention provides a manufacturing method of a diffractive optical element. The method comprises the following steps: determining parameters of the diffractive optical element; designing the diffractive optical element; manufacturing a diffractive optical element mother set; and assembling to form the diffractive optical element. The method can be applied to the field of 3D structured light, and is long in projection distance and high in precision.

The invention relates to the technical field of mine detection, and provides a hole drilling cableless detection system for mines for hole drilling detection. The hole drilling cableless detection system has the specific technical scheme that the hole drilling cableless detection system for mines disclosed by the invention comprises an upper computer and a host in communication connection, whereinthe host is respectively connected with a detecting pipe and a depth finder; the detecting pipe comprises a video signal processing control circuit board, an azimuth angle measurement integrated circuit board and a signal processing circuit board which are respectively connected with a parameter acquisition control circuit board; the parameter acquisition control circuit board is connected with abattery pack; the battery pack is connected with a voltage stabilization protection circuit board; the video signal processing control circuit board is connected with a camera; the azimuth angle measurement integrated circuit board is connected with a three-axis tilt angle sensor and a three-axis azimuth angle sensor; and the signal processing circuit board is connected with a natural gamma probe. The hole drilling cableless detection system for mines disclosed by the invention has the advantages that the hole drilling depth, the geological structure and the hole drilling track can be simultaneously detected, and the operation is convenient.