81results about How to "Increase the irradiation distance" patented technology

The invention discloses an automatic drainage valve of a pedestal pan and a working method thereof. The automatic drainage valve of the pedestal pan consists of a controller and an electric drainage valve, and comprises an optical triangular ranging sensor, a pyroelectric infrared sensor, a single chip for receiving and processing the output signals of the optical triangular ranging sensor and pyroelectric infrared sensor, a driving circuit controlled by the single chip, an electric device driven by the driving circuit, a water stop valve cover controlled by the electric device, a controller shell arranged at the fixed end of the wall and an electric water drainage valve body provided with a pedestal pan water tank fixing mechanism. Through the invention, the stable and reliable water flushing of the automatic drainage valve of the pedestal pan is realized, and the automatic drainage valve is powered by a battery. In the working method of the automatic drainage valve of the pedestal pan, the optical triangular ranging sensor does not work at ordinary times but works intermittently when someone uses the pedestal pan, thereby greatly reducing the power consumption and prolonging the service time and life of the battery.

The invention relates to a non-character line type optical beam digital wall-washer light system. The system comprises a heat-dissipating substrate, wherein at least two groups of LED (light emitting diode) luminous elements are arranged on the heat-dissipating substrate; the LED luminous parts comprise LED luminous tubes which are used to transmit parallel lights, the LED luminous tubes are symmetrically distributed at the two sides of the heat-dissipating substrate. The heat-dissipating substrate in the invention is provided with at least two pairs of LED luminous parts, the LED luminous parts comprise the LED luminous tubes which are symmetrically distributed on the heat-dissipating substrate, the LED luminous tubes emit parallel lights, and the LED luminous tubes and the heat-dissipating substrate are of a structure of a Chinese character 'fei', thus the appearance is beautiful; when the LED luminous tubes emit parallel lights, the dispersion phenomenon in the existing LED illuminating can be reduced, and the irradiation distance of the LED illuminating can be improved; the LED luminous tubes adopt a three-color LED, the color of the emergent light is good, light rays emitted from the LED luminous elements can be controlled by a display controller, so that the heat-dissipating substrate can emit variable color styles. The system in the invention has the advantages of simple and compact structure, wide application range and safe and reliable, is convenient to install and use and can reduce the use-cost.

The invention discloses an LED backlight source structure, comprising a substrate and a plurality of LED chips, the LED chips are linearly arranged on the substrate; wherein, at least one rectangular reflective module is arranged on the substrate, the reflective module is covered on the LED chips, the various inner surfaces of the reflective module are arc-shaped concave surfaces, and the arc curvatures of each two opposite inner surfaces are different. The LED backlight source structure utilizes that the arc-shaped concave surfaces can directionally condense the light of the LED chips and can converge the light which is scattered to the outside by the LED to the direction which needs to irradiate by a backlight source, so that the LED backlight source structure can not only increase the irradiation distance of the light in an effective region, but also prevent the loss of the light in a non-effective light-emitting region of the backlight source, thus improving the luminous efficiency of the LED backlight source in the effective region and increasing the irradiation brightness of the backlight source in the effective region; in addition, the setting of the non-symmetric reflective curved surfaces can obtain the brightness which is needed by the distal edge of a large-sized backlight and ensure the uniformity of the light of the large-sized backlight during the unilateral incidence.

The invention relates to a novel LED explosion-proof lamp, which mainly comprises a lamp shell, an LED light source module integrated and packed by multiple chips, and an LED heat dissipation device, wherein the lamp shell is used for accommodating the LED light source module and the LED heat dissipation device and consists of a lampshade, a lamp body and a bottom cover; the lampshade is arranged on one side of the lamp body, and the other side of the lamp body is provided with the bottom cover; one side of the lamp body is open, and a conical shell with an accommodating space is arranged in the closed other side of the lamp body; the LED heat dissipation device consists of a plurality of heat conducting pipes and a metal substrate; one end of each heat conducting pipe is inserted into a cylindrical insertion hole on the inner wall of the lamp body, and the other side of the heat conducting pipe is inserted into a circular insertion hole of the lamp body and tightly matched by means of an embedded seat; the LED light source module consists of a plurality of LED chips which are connected in series and parallel and fixed on a high heat conducting substrate, the electrified LED chips uniformly excite a phosphor layer, gaps between the chips and the phosphor are filled by using silica gel or air or inert gas, and the formed white light is shaped and distributed by a lens to form a uniform luminous surface; and the heat emitted by the LED light source module is transferred to three different parts on the lamp body through the heat conducting pipes and the metal substrate respectively, so the heat dissipation effect is good.

The invention relates to a light shading plate for a low-beam module of an automobile headlamp and the automobile headlamp. The light shading plate comprises a first light shading piece and a second light shading piece which are inclined; the upper boundary of the first light shading piece intersects with the upper boundary of the second light shading piece; a cut-off line is formed at the parts where the first light shading piece intersects with the second light shading piece; the first light shading piece is located on one side close to a light source; the cut-off line stretches at the set angle towards the light source side to form the first light shading piece; and the front surface of the first light shading piece is a light reflecting surface and is used for reflecting light. Part of the light emitted by the light source irradiates the light reflecting surface, is reflected by the light reflecting surface and then penetrates through a lens, so that the energy loss is reduced. With the light shading plate and the automobile headlamp, the utilization efficiency for the energy of the light source is higher, meanwhile, the driving comfort and safety of a driver are improved, and the problems that a lot of energy of light sources is lost, low-beam three-zone parts are insufficient in light and regulation requirements are difficult to meet due to existing light shading plates are solved.

The invention provides a solar warning lamp having the characteristics of high brightness, automatic opening and closing, capability of being on and off through remote control by an infrared remote controller and capability of selecting a flicker mode. The solar warning lamp comprises a lamp base, a lamp cover and a lamp housing, wherein a solar panel is arranged on the lamp cover; and the lamp base is provided with a high-energy rechargeable lithium battery, a control circuit board and a light emitting diode connected with the solar panel. A photosensitive switch is arranged on the control circuit board, is automatically closed in the daytime, and is automatically opened at night. A manual switch consisting of a magnet and a reed switch is arranged on the base, and has three gears. The middle gear is a main switch; the right gear is an automatic gear, is closed in the daytime, and is opened at night; and the left gear is located in a working mode in the daytime and at night, and the LED emits light. In addition, an integrated circuit on an electronic control board can be programmed, can be set with multiple flicker modes, and can be remotely controlled through the remote controller. Inner and outer reflecting surfaces are arranged on the lamp housing; vertical strip concave lenses are arranged at the whole periphery of the inner surface; and thirteen layers of convex lenses are transversely arranged on the outer surface. The light emitted by the LED is more uniform through the refraction of the concave lenses and the convex lenses; and the irradiation distance of the warning lamp is largely increased.

The invention relates to the field of laser guidance equipment and particularly relates to an optical system for an onboard laser illumination measurement device. The optical system comprises a laserdevice, a collimation, beam-expanding and emitting unit, an ADP receiving detector and a receiving unit, wherein the collimation, beam-expanding and emitting unit comprises a plane-concave negative lens, a first double-concave negative lens, a second falcate positive lens and a first falcate positive lens which are sequentially and coaxially distributed along the advancing direction of laser emitted by the laser device, and a plane of the plane-concave negative lens is arranged to face towards the laser device; and the receiving unit comprises a first double-convex positive lens, a third falcate positive lens, a second double-concave negative lens, a 1.064mum interference filter, a second double-convex positive lens and a falcate negative lens which are sequentially and coaxially distributed along the advancing direction of laser received by the ADP receiving detector. The optical system has the advantages of high compression ratio and transmittance and is capable of effectively increasing the ranging distance and illumination distance of the laser illumination measurement device.

The invention discloses a light-emitting diode (LED) headlamp for a motorcycle. According to the LED headlamp, a middle bulge, a left bulge and a right bulge are arranged on the bottom surface of a passing light inner lens of a passing light source assembly; the surface of the middle bulge is provided with an arc surface which has the curvature radius of 0-110mm; the middle bulge has a luminous angle within the range from -0.9 degree to 0.9 degree; one surface of the left bulge is an arc surface, and the other surface of the left bulge is a vertical plane; the arc surface has the curvature radius of 214-517mm; the left bulge has a luminous angle within the range of -1 degree to -0.9 degree; one surface of the right bulge is an arc surface, and the other surface of the right bulge is a vertical plane; the arc surface has the curvature radius of 214-618mm; and the right bulge has a luminous angle of 0.9-2.0 degrees. After light rays pass through the passing light inner lens, a passing light type with an obvious dividing line can be obtained, the large-angle light rays can be effectively utilized, and the utilization rate of luminous flux is effectively improved, so that the light irradiation distance and width are obviously increased, and a blind area is prevented from occurring in a passing light irradiation area.

The invention discloses a laser lighting lamp. The laser lighting lamp comprises a light-emitting unit, an installation unit used for fixing the light-emitting unit and a cooling unit connected with the light-emitting unit and the installation unit. The light-emitting unit comprises laser sources. The light-emitting unit comprises a cooling shell and a heat conducting piece, wherein the cooling shell is arranged on the periphery of the installation unit and the heat conducting piece is located between the laser sources and the cooling shell. An outgoing beam of the light-emitting unit is emitted out in the axis of the cooling shell. The laser sources are located on the side face, perpendicular to the outgoing beam, of the installation unit. The heat conducting piece is of an L-shaped structure. The laser sources are used as a lighting source, so that the lighting distance and the lighting brightness are greatly improved. Because of the cooling shell arranged on the periphery of the installation unit in a sleeving manner and the L-shaped-structure heat conducting piece located between the laser sources and the cooling shell, heat generated by the laser source can be rapidly conducted outwards to the cooling shell by two edges and are rapidly dissipated, the situation that a local portion is overheated is avoided, and the stability and safety of the product are guaranteed.

The invention discloses a lighting device. The lighting device comprises a near light module, an far light module and a collimating lens unit, wherein the near light module comprises a near-light light source and a first heat dissipation unit, and the near-light light source comprises at least one LED light source and a reflective bowl corresponding to the LED light source; the far light module islocated in front of the near light module and located above outgoing light of the near light module, and comprises a far-light light source and a second heat dissipation unit; and the collimating lens unit is arranged behind the near light module and the far light module along a light path, the collimating lens unit includes a near light lens corresponding to emergent light of the near light source and an far light lens corresponding to emergent light of the far light source, and the near light lens and the far light lens are formed integrally. By separating the far light module and the nearlight module, the heat dissipation units are separately arranged for heat dissipation, heat can be dissipated efficiently, the heat dissipation efficiency is improved, and the service life is prolonged. The light emitted by the far light source is emergent directly through the far light lens, the arrangement of the reflective bowl is not required, the loss of the light due to the reflection of thereflective bowl is reduced, and the efficiency is further improved.

The invention relates to a mobile phone comprising a mobile phone body, a light source and an optical element. An accommodating space is formed in the mobile phone body, and the light source is accommodated in the accommodating space. The optical element is detachably arranged outside the mobile phone body and located on a light path of the light source, and light emitted by the light source is converged and emitted out after passing through the optical element.

The invention relates to the technical field of an automobile lamp, in particular to an automobile lamp PES unit, an automobile lamp assembly comprising the automobile lamp PES unit and an automobilecomprising the automobile lamp assembly. The automobile lamp PES unit comprises a light source, a primary mirror, a first auxiliary mirror, a second auxiliary mirror and a lens. A light outlet is formed under the lens, and the light source is arranged at the perifocus of the primary mirror. The light emitted by the light source comprises main output light and residual light, the main output lightis reflected by the primary mirror and is projected onto the lens, and the residual light is not projected onto the lens. The first auxiliary mirror is arranged on the light path of the residual light, and the second auxiliary mirror is opposite to the first auxiliary mirror. The residual light is reflected by the first auxiliary mirror and the second auxiliary mirror successively and then is shotout from the light outlet. On the precise that the quantity of the light source and the power are not increased, the visual effect of multiple light sources is realized through a single light source,the lighting effect is improved, and the irradiation brightness and the effective irradiation distance are increased.

The invention discloses a heat radiating desk lamp. The heat radiating desk lamp comprises a supporting rod, a pedestal, a rotating shaft, a lamp body and a storage box, wherein the supporting rod is arranged at the left side of the pedestal; the top of the supporting rod is rotationally connected with a cross arm through the rotating shaft; a laser pen is arranged below the cross arm and is positioned at a position over a mirror; the lamp body is arranged at the right end of the cross arm; the lamp body comprises a face mirror, a lampshade, a lamp holder, an LED (Light-Emitting Diode) substrate and an LED lamp bead; a mirror rack is arranged on the pedestal in a manner of being rotationally connected with the pedestal; the mirror is arranged on the mirror rack in a manner of being rotationally connected with the mirror rack; the storage box is also arranged at the upper portion of the right side of the pedestal; the side surface, adjacent to the mirror, of the storage box is provided with semi-transparent glass; meanwhile, a photosensitive resistor is arranged at a position facing to the semi-transparent glass and at the inner side of the storage box; a cover is arranged at the upper portion of the storage box; an electric control lock is arranged at the joint of the cover and the storage box; a power supply is arranged at the bottom of the storage box; the lamp body and a control switch of the laser pen are arranged on the pedestal. The heat radiating desk lamp disclosed by the invention is uniform in illumination, good in heat radiation effect, long in service life and good in antitheft effect.

The invention discloses a silk fibroin hemostatic material and a preparation method thereof. The preparation method comprises the following steps: adding photosensitizer riboflavin into a silk fibroinaqueous solution, and performing uniform mixing to obtain a mixed solution; continuously introducing oxygen into the mixed solution, and keeping oxygen tension in the mixed solution in a saturated state; pouring the oxygen-saturated mixed solution into a transparent die, and performing cooling; irradiating the mixed solution with ultraviolet light to obtain cross-linked silk fibroin hydrogel, andcontrolling the temperature of the mixed solution in the ultraviolet light irradiation process to be 0-8 DEG C; taking out the silk fibroin hydrogel from the die, and performing drying to obtain silkfibroin xerogel; and crushing the silk fibroin xerogel into powder to obtain the silk fibroin hemostatic material. Through cross-linking in a low-temperature environment, the preparation method can effectively reduce the reaction temperature, effectively limit the generation of a crystalline structure, and greatly improve the swelling capacity and the rapid blood suction performance of the material.

The invention discloses a light source component. The light source component comprises a light source, a convergent parallel mirror component, a scattering sheet and a first convergent lens, wherein the light source comprises a central light source and a peripheral light source which are independently controlled, and the peripheral light source is arranged at the periphery of the central light source; light emitted by the light source passes through the convergent parallel mirror component, is converged and then is parallelly emitted; the light emitted from the convergent parallel mirror component is emitted through the scattering sheet; the light emitted from the scattering sheet is emitted through the first convergent lens; light emitted by the peripheral light source passes through theconvergent parallel mirror component, the scattering sheet and the first convergent lens and then is emitted toward a central area; and light emitted by the central light source passes through the convergent parallel mirror component, the scattering sheet and the first convergent lens and then is emitted toward a peripheral area which surrounds the central area. According to the light source component, the peripheral part and the central part of a light irradiation range can be independently adjusted.

The invention relates to the technical field of cell culture, and discloses a cell culture incubator convenient for taking culture dishes. The cell culture incubator comprises an incubator body, wherein a driving shaft is movably connected to the inner bottom surface of the incubator body, a connecting rod transmission mechanism is connected to the driving shaft, and thermal insulation doors are fixed connected to the inner side wall of the incubator body through fixing rods; and heat preservation layer frames are fixedly connected to the inner top surface of the incubator body, and a water sprayer is fixedly connected to the surface of each heat preservation layer frame. When a worker needs to take the culture dishes, button switches are pressed down in advance, each button switch drivesa corresponding tray to do reciprocating motion, the culture dishes on a placing frame are lifted up and then placed on taking trays in the moving process of the trays, at the moment, due to the gravity effect of the culture dishes, a lead screw is not meshed with the driving shaft any more, and the trays stop moving, at the moment, the worker rotates the button switches to reset the button switches due to the acting force of springs, an incubator cover can be opened, and the culture dishes can be taken out, so that the effect of taking the culture dishes conveniently is achieved.

The invention belongs to the field of lighting devices and specifically discloses a lamp capable of increasing an irradiation distance. The lamp comprises a housing, an LED lamp bulb located within the housing, and a reflecting cup arranged to cover the LED lamp bulb and connected with the housing; the lamp further comprises a plurality of lenses connected with the reflecting cup in a circumferential direction; each lens is circular-ring-shaped, and a face, close to the LED lamp bulb, of the lens is toothed, while the other face of the lens is a plane. The lamp is capable of increasing the irradiation distance.

The invention is applicable to the field of lighting, and provides a lamp reflector and a searchlight. The lamp reflector comprises a main reflector, wherein the main reflector comprises a parabolic reflecting surface; the bottom of the main reflector is provided with a first through hole through which a light source passes; a semispherical auxiliary reflecting mirror is arranged in the main reflector; the auxiliary reflecting mirror is arranged opposite to an opening of the main reflector, and central axes of the auxiliary reflecting mirror and the main reflector are overlapped; and the centre of sphere of the auxiliary reflecting mirror is overlapped with a focus of the reflecting surface. One semispherical auxiliary reflecting mirror is coaxially arranged in the conventional parabolic reflector, the centre of sphere of the auxiliary reflecting mirror is overlapped with the focus of the parabolic reflector, and original direct light is reflected along an original path through the auxiliary reflecting mirror and reflected back again at a small solid angle after passing through the focus of the parabolic reflector, so the utilization ratio of the light is improved, and the range of the lamp is expanded and the brightness of lighting is further improved.