82results about How to "Change light intensity" patented technology

The invention discloses a white light emitting diode with high color rendering property and a white light emitting diode lamp. The white light emitting diode comprises a heat conducting substrate, a light reflecting cup, a light emitting diode chip and a lead wire frame, wherein the light reflecting cup plays a light mixing role, and small protrusions are arranged on the inner wall surface of the light reflecting cup; the light emitting diode chip outputs at least six lights in different colors and is arranged on the heat conducting substrate to carry out electric combination; the lead wire frame is matched with the bottom of a light emitting cup in shape and size, arranged outside the light reflecting cup, and fixed on the upper surface of a base; an electrode of the chip is electrically connected with a lead wire on the lead wire frame, and a transparent optical material is covered on the chip; and polychromatic lights are evenly mixed through the diffuse reflection of a reflecting wall of the light reflecting cup to produce the white light emitting diode with high color rendering property and high efficiency. By applying the white light emitting diode lamp made of the white light emitting diode and a flat light source, the white light emitting diode lamp eliminates the light energy loss of fluorescent powder in the photochromic conversion process, thereby having high electro-optical conversion efficiency, long service life and convenient batched production.

The present invention discloses a luminaier for underwater shooting self-adaptive chrominance compensating illumination light source, and is characterzed by that in compressive lamp box a support is set, one side of upper portion of said support is equipped with an array plate LED light-emitting lamp, and its another side is equipped with a condenser, the lower portion in the interior of compressive lamp box has a control drive circuit, a compressive glass window is positioned at condenser position, and a scene ranging sensor is placed in the lower portion of interior of the compressive lamp box, and the control drive circuit is respectively connected with scene ranging sensor and array plate LED light-emitting lamp, in which the control drive circuit uses the microprocessor to respectively connect with scene ranging sensor circuit, chromatic ratio circuit and memory and uses the power amplification drive circuit to respectively connect with chromatic ratio circuit and array plate LEDlight-emitting lamp. The interior of microprocessor also has the control software for underwater shooting self-adaptive illumination light source.

The invention discloses a supporting device and a solar energy testing tooling including the same. The supporting device comprises a testing platform, and supports for placing a luminous part are arranged on two sides of the testing platform. At least one support is arranged on the testing platform in sliding mode, and a load bearing mechanism is arranged under the luminous part, connected with the testing platform through a movable mechanism, and moves between an assembling station away from the luminous part and a testing station right below the luminous part through the movable mechanism. The supporting device can guarantee that each product to be tested is arranged at a position which is the same vertical distance away from the luminous part, thereby improving accuracy of the test and test efficiency. Further, the load bearing mechanism provided with a lifting mechanism can adjust the distance between the products to be tested and the luminous part according to test requirements, thereby changing illuminance and determining charge capacity under different illuminance.

The invention discloses a chip and an apparatus for high-flux testing gas-phase photoelectric properties of a semiconductor. The chip comprises an alumina ceramic substrate which is disposed at the bottom of the chip, electrode arrays and electrode pins which are respectively printed on a surface and two sides of the substrate by a screen printing method, and semiconductor photoelectric materials which are printed on each electrode through an ink-jet printing method or the screen printing method. The apparatus comprises a closed testing cavity and an LED light source. A lug boss for placing the chip is mounted on a base plate, and reeds are in a compression-type contact with the electrode pins of the chip. An integrated level of the electrode arrays on the chip can be changed according to different requirements, and has strong expansibility. Various testing conditions of the apparatus, such as wavelengths of the light source, intensity of the light source, atmosphere, humidity, bias voltage, and the like, can be changed conveniently, so that abundant testing results can be obtained and perfect databases can be established. Moreover, the apparatus is simple in structure and small in size, and has good reliability. The chip and the apparatus have important applications in the fields of room temperature gas-sensitive sensors, optical detections, photocatalysis, etc.

The invention discloses an electronic switch based on a photosensitive element, and relates to the field of electronic switches, and the electronic switch based on the photosensitive element comprises a step-down rectification filtering module which is used for converting a 220V alternating current into a direct current lower than 22V; a current-limiting protection module which is used for protecting the circuit; a limited voltage supply module which is used for supplying stable voltage to a signal output judgment module as working voltage; an illumination detection module which is used for detecting the intensity of external illumination, wherein the higher the illumination intensity is, the smaller the output voltage is, the lower the illumination intensity is, the higher the output voltage is. Compared with the prior art, the invention has the following beneficial effects: when the illumination intensity is sensed to reach a threshold value, the switch is automatically turned on to supply power to the load and enable the load to work, and meanwhile, the sensing intensity of the illumination signal can be adjusted, so that the magnitude of voltage signals output by the illumination detection module under the same illumination intensity is different; therefore, the illumination intensity is changed when the switch is turned on.

Disclosed is a telescopic lamp shell structure. The telescopic lamp shell structure comprises two main bottom shells, an auxiliary bottom shell, a basic radiating board, a movable radiating board and a light permeable film assembly. A containing groove is formed in the end face of each main bottom shell, wherein a limiting portion is arranged at the position, close to the open end of the containing groove, of the main bottom shell. The two ends of the auxiliary bottom shell are contained in the containing grooves in the two main bottom shells, and matching portions matched with the limiting portions are arranged at the end of the auxiliary bottom shell. One end of the basic radiating board is fixedly connected with one main bottom shell, and the basic radiating board is used for bearing a first light source assembly. One end of the movable radiating board is fixedly connected with the other main bottom shell, the other end of the movable radiating board is in slidable connection with the basic radiating board, and the movable radiating board is used for bearing a second light source assembly. The light permeable film assembly comprises a flexible light permeable film capable of stretched or contracted after being stressed. The telescopic lamp shell structure can be packaged in the retraction state, the packaging space, the packaging cost and single lamp conveying cost are saved, and the telescopic lamp shell structure is convenient to carry and capable of being applicable to different using occasions. The invention further provides an LED ceiling lamp with the telescopic lamp shell structure.

The invention discloses a ceiling lamp. The ceiling lamp comprises a mounting plate, a plurality of sliding connecting rods, and lamp caps which are as much as the sliding connecting rods; a chute is formed in the bottom surface of the mounting plate; the sliding connecting rods are glidingly hung in the chute and extend from the chute; the lamp caps are connected to the extending parts of the sliding connecting rods. According to the ceiling lamp, the chute is formed in the bottom surface of the mounting plate; the plurality of sliding connecting rods are glidingly hung in the chute; each sliding connecting rod is connected with one lamp cap; the quantity of the sliding connecting rods can be changed to change the quantity of the lamp caps of the ceiling lamp, and therefore, the illumination intensity of the ceiling lamp can be changed; in addition, the positions of the sliding connecting rods can be adjusted to adjust the illumination distribution of the ceiling lamp.

The invention relates to a friction illuminating method, relating to the friction illuminating field. The invention is intended to provide the friction illuminating method which controls to generate near-infrared light by changing an environment condition. The friction illuminating method comprises providing a friction illuminating device. The friction illuminating device comprises an accommodating chamber and a friction assembly arranged in the accommodating chamber. The friction assembly comprises a first friction element and a second friction element. The first friction element and the second friction element are arranged in a mutually contacting manner. Material of the first friction element comprises silicon dioxide. Material of the second friction element comprises metal. Additionally, the silicon dioxide and the metal are arranged in a directly contacting manner. The accommodating chamber is vacuumized. The accommodating chamber is filled with carbon dioxide. The first frictionelement rubs against the second friction element in order to generate near-infrared light.

The invention discloses an intelligent street lamp. The intelligent street lamp comprises a lamp pole; a first groove, a first mounting cavity, a connecting cavity and a second mounting cavity are formed in the lamp pole; the connecting cavity communicates with the first groove and the first mounting cavity; the first groove communicates with the second mounting cavity; a first motor is fixedly mounted on the first mounting cavity; a first rotating shaft is fixedly mounted on the driving end of the first motor; and the lower end of the first rotating shaft is rotationally connected to the second mounting cavity through a first bearing. The intelligent street lamp has the advantages that the distance between a bulb and the ground can be adjusted in rainy and foggy weather, so that the illumination area of the bulb on the ground is reduced, light rays are gathered and concentrated, the illumination is brighter, and the brightness generated by working of the bulb in the rainy and foggy weather can also play a good role in illumination; and meanwhile, the angle between the bulb and the lamp pole is adjusted, so that the angle can be adjusted as needed for illuminating different regions, and the requirement for illumination in outdoor public regions can be better met.

The invention discloses a telescopic lamp shell structure which comprises a main shell, two end covers, a radiating board assembly and a light permeable film assembly. The main shell comprises a first side board and a second side board. The side edge of the first side board and the side edge of the second side board are connected in a rotatable mode. The end of the first side board is provided with a limiting portion. The two end covers are connected with the two ends of the main shell respectively. The first side board is rotatable relative to the two end covers. Matching portions matched with the limiting portions are arranged on the end covers. The radiating board assembly comprises a first radiating board and a second radiating board. The side edge of the first radiating board and the side edge of the second radiating board are connected in a rotatable mode. The other side edge of the first radiating board and the other side edge of the second radiating board are connected with the inner side face of the first side board and the inner side face of the second side board respectively in a rotatable mode. The light permeable film assembly comprises a flexible light permeable film which can be stretched or retracted after being stressed. The telescopic lamp shell structure can be packaged when folded, so that the packaging space, the packaging cost and the conveying cost of a single lamp are saved, and the light distribution effect of the lamp can be freely adjusted through the main shell.

An ultraviolet irradiating apparatus is provided to control power supplied to each light emitting diode by disposing an ultraviolet light emitting diode of a line type as an ultraviolet source for forming a light irradiation region of a thin and long shape emitted from an ultraviolet irradiating apparatus and by independently supplying power to each ultraviolet light emitting diode. An ultraviolet irradiating apparatus includes an ultraviolet irradiating part(10) for irradiating ultraviolet rays, a power part for supplying power to the ultraviolet irradiating part, and a control part for supplying a control signal to the power part. The ultraviolet irradiating part includes a plurality of ultraviolet light emitting diode and a plurality of convex lenses(13). The plurality of ultraviolet light emitting diodes are disposed in parallel with each other on a print substrate(12), made of a line type. The plurality of convex lenses are disposed at the light emitting part of the plurality of ultraviolet light emitting diodes, corresponding to each ultraviolet light emitting diode. Power is independently supplied from the power part to the plurality of ultraviolet light emitting diode, and the power is controlled by the control part. A cylindrical lens(15) is installed at the light emission part of the convex lens, collecting the light collected by the convex lens in one direction.

The invention discloses a solar integrated road lamp which comprises a base. A lower lamp rod is arranged on the base. An upper lamp rod is assembled at the top end of the lower lamp rod through a lamp rod assembling bolt. Two supporting columns extend out of the top end of the upper lamp rod and are in a Y shape. The two supporting columns are a photovoltaic board supporting column and a lamp head supporting column respectively. The photovoltaic board supporting column extends upwards vertically. Two supporting columns also extend out of the bottom end of the upper lamp rod and are in a Y shape. The two supporting columns are an assembling supporting column and an oblique battery box limiting supporting column. The vertical assembling supporting column is used for being inserted into the top end of the upper lamp rod for assembling. A battery box is arranged on the side face of the assembling supporting column of the upper clamp rod. The base is fixedly arranged on a foot margin component pre-buried below the ground. A photovoltaic board support is assembled on the photovoltaic board supporting column of the upper lamp rod. A photovoltaic board is arranged on the photovoltaic board support. The photovoltaic board support comprises a frame. A photovoltaic board assembling hole for assembling of the photovoltaic board is formed in the frame. A solid center plate is arranged at the center of the frame.

The invention discloses an outdoor constant-temperature biological incubator. The outdoor constant-temperature biological incubator comprises a cylindrical box body and an upper cover rotationally connected to the upper end of the cylindrical box body, wherein the upper cover is of an annular structure, an annular step is arranged on the inner ring of the upper cover, a heat absorbing plate for sealing the upper cover is fixed on the inner wall of the lower side of the upper cover, a circle of sealing gasket is fixed on the lower wall of the heat absorbing plate, a vertical groove in the vertical direction and an inclined groove which is inclined upwards are formed in the inner ring of the upper cover, the projection of the inclined groove on the vertical surface is a quarter circle, a sliding ball is connected to the inside of the vertical groove in a sliding mode, and the sliding ball is fixedly connected with an upper transparent plate. The outdoor constant-temperature biological incubator has the advantages that the incubator capable of automatically realizing constant temperature under sunlight irradiation is provided, and when the temperature in the box body does not reach apreset temperature, the two layers of transparent plates abut against the heat absorbing plate; and when the temperature is gradually increased to be close to the preset temperature, operations are carried out as shown in the specification until the sunlight cannot irradiate the heat absorbing plate completely.

The invention discloses an embedded-type-based spotlight energy-saving control system and a control circuit thereof. The system comprises a mounting plate, a first light barrel and a second light barrel, an electric extensible rod and a supporting column are mounted on two sides of the bottom end of the mounting plate respectively, a fixing plate is fixedly arranged at each of the output end of the electric extensible rod and the bottom end of the supporting column, an arc-shaped fixing strip is rotatably connected on each of two sides of each fixing plate, the bottom ends of the arc-shaped fixing strips are slidably connected with the first light barrel and the second light barrel respectively, four light condensing plates are equidistantly hinged at one end of the first light barrel, anda LED light component is mounted on one side of the inside of the first light barrel. Through matched using of the electric extensible rod, the fixing plate and the arc-shaped fixing strips, irradiation angle of the spotlight can be changed flexibly by changing extension and contraction of the electric extensible rod, and operation is more convenient and quicker.

The invention discloses a changeable spectrum cover suitable for the small facility agriculture study and a spectrum adjusting method of the changeable spectrum cover. The changeable spectrum cover comprises an inner cover body and an outer cover body. The inner cover body is arranged in the outer cover body in a sleeved mode, the inner cover body can move along the inner wall of the outer cover body in the axis direction of the outer cover body, and the outer cover body is provided with a fixing assembly used for fixing the inner cover body. The inner cover body is composed of an inner frame and a plurality of transparent panels covering the side faces and the top face of the inner frame. The outer cover body is composed of an outer frame and a plurality of transparent panels covering the side faces of the outer frame. The inner frame and the outer frame are further provided with a plurality of filter coating clamping grooves so that needed filter coatings can be arranged on the surfaces of the transparent panels. According to the spectrum adjusting method, the spectrum adjustment of the local environment in the cover can be carried out through the changeable spectrum cover, and the spectrum environments needed by different plants can be simulated. Different spectrum signals can be simulated by adjusting the types and the matching of the filter coatings, and the changeable spectrum cover is suitable for the growth study of various indoor and outdoor plants.

The invention relates to the field of LED lamp equipment, in particular to annular LED lamp equipment and an automatic replacement method thereof. The annular LED lamp equipment comprises a first supporting plate fixedly installed on a wall, a fixed supporting device is arranged on the first supporting plate, a fast installation lamp holder capable of adjusting the brightness is arranged on one side in the fixed supporting device, and an automatic replacement device capable of adjusting the irradiation angle is arranged in the fixed supporting device. Different seventh sliding blocks can move to be matched with eighth sliding blocks by starting a first electromagnet, the lamplight intensity is changed to meet the requirements of different scenes, a servo motor can drive a gear to rotate, the lamplight angle is adjusted, an air bag buffers an LED lamp, when a certain lamp is damaged, a lamp holder is rotated inwards to the bottom so that a third sliding block can be disengaged, and the LED lamp can be replaced. And a second electromagnet is started to suck the damaged lamp into an air cavity, an electric annular sliding block is rotated, and then a sliding plate is used for pushing a new lamp into a second sliding groove.

The invention discloses a tracking sensor for a solar concentrator plate. The tracking sensor comprises a light-pervious semi-transparent solid bar, a connection tube (3) and a photo-sensitive sensor (4), wherein the light-pervious semi-transparent solid bar is divided into more than two sections, the sections are wrapped and connected through the connection tube (3), and at least a pair of two adjacent sections of the light-pervious semi-transparent solid bar is separated; in the two outermost sections of the light-pervious semi-transparent solid bar, a solar concentration inlet (1) is formed in the top end of one section of the light-pervious semi-transparent solid bar (2), and the other section of the light-pervious semi-transparent solid bar (2) is connected with the photo-sensitive sensor (4). By means of the arrangement of the more than two sections of the light-pervious semi-transparent solid bar, damage of heat conduction to a photo-sensitive component can be effectively isolated. Meanwhile, with the combination of the light-pervious semi-transparent solid bar, effective attenuation is achieved, and light intensity of the photo-sensitive component is achieved. By means of the design, work stability, service life and measurement accuracy of the photo-sensitive sensor are effectively guaranteed.

A vehicle illumination intensity adjusting system for meeting and following vehicles comprises a high beam, a distance measuring module, an illumination intensity sensor, a microcontroller and a powersource, wherein the microcontroller is electrically connected with the distance measuring module, the illumination intensity sensor, the high beam and the power source. The microcontroller receives adistance signal and an illumination intensity signal and processes the distance signal and the illumination intensity signal, and the microcontroller sends corresponding control signals to the high beam in a meeting mode and a following mode to control the illumination intensity of the high beam so as to change the illumination intensity of the high beam. The illumination intensity of the high beam can be adjusted according to the meeting mode and the following mode, the illumination intensity of the high beam of the vehicle can be reduced, the visual hidden danger caused by the high beam tovehicle driving is reduced, the possibility of traffic accidents is reduced, and the driving safety at night is improved.

The invention discloses a shape light machine capable of adjusting light source brightness, and belongs to the field of light source brightness adjusting. The shape light machine capable of adjusting the light source brightness comprises a light machine body, an adjusting end, a contraction end, a light reflecting structure and a light source fixing end; and a light machine lens used for adjusting the focal length of a lens is arranged on the side face of the light machine body, a driving fixing frame is arranged on the side face of the ray machine lens, a driving motor is fixedly connected to the side face of the driving fixing frame, an adjusting end used for adjusting illumination intensity is arranged on the rear side face of the ray machine lens, a contraction end is arranged on the rear side of the adjusting end, and a light source fixing end used for adjusting the distance of a light source is arranged on the rear side of the contraction end. The shape light machine is characterized in that: a lens protection structure convenient to disassemble is achieved, cleaning is convenient, the protection effect is achieved, the focal length is adjusted, meanwhile, the brightness of projected light and reflection interference of a light source are adjusted, the use experience and the impression effect are improved, the distance between the light source and the lens structure is independently adjusted, and the light brightness is increased.