33results about How to "Large illuminated area" patented technology

The invention relates to a rapid prototyping apparatus for the manufacturing of three dimensional objects by additive treatment of cross sections comprising a wholly or partially light-sensitive material, said apparatus comprising at least one light source for illumination of a cross section of the light-sensitive material by at least one spatial light modulator of individually controllable light modulators, wherein at least one light source is optically coupled with a plurality of light guides arranged with respect to the spatial light modulator arrangement in such a manner that each light guide illuminates a sub-area of the cross section.According to the invention, it is possible to obtain a significant simplification of an RP design system, just as the apparatuses designed are essentially capable of creating prototypes of any size, according to the invention.

An illumination apparatus for use in an image reading apparatus that forms a reduction image of a read area of an original on an image pickup element by an imaging optical system, includes: a light source illuminating the original; and a light guide guiding light to the original; wherein the light guide has a first surface on which light is incident or that diffuses light, a second surface from which light exits toward the read area, and a third and fourth surfaces arranged between the first and second surfaces in a sub-scanning section perpendicular to a longitudinal direction of the light guide, the third surface arranged on a side closer to an optical axis of the imaging optical system, and the fourth surface arranged on a side farther from the optical axis, wherein the third and fourth surfaces are reflective surfaces having the same paraxial power which is appropriately set.

The invention relates to a supported composite photocatalytic coating and a preparation method thereof. A supported photocatalytic coating and a waterproof adhesive layer are adhered to and combined with a substrate; a specially structured supporting material and a composite TiO2 / g-C3N4 photocatalyst are mixed in a high energy ball milling manner so as to effectively improve the supporting rate of the photocatalyst; and the response range can be widened to visible light from ultraviolet light through the composite photocatalyst, thus realizing effective photocatalysis efficiency. The supported composite photocatalytic coating and the preparation method thereof are simple in process, have relatively high economic and environment benefits and belong to high value-added resource utilization.

A lighting structure includes: an optical transmission medium that transmits pumping light and image light; an objective optical system that is disposed at a distal-end portion of the optical transmission medium; a wavelength conversion unit comprising a fluorescent body that receives the pumping light transmitted through the optical transmission medium and irradiates an object with illuminating light; and a wavelength-selective reflective unit that selectively reflects one of a wavelength of the pumping light and a wavelength of the image light, thereby emits pumping light that is incident thereto through the optical transmission medium into the fluorescent body and emits image light that is incident from the object into the optical transmission medium through the objective optical system.

The invention relates to the technical field of production of lighting lamps, and provides a lamp capable of emitting light through two faces. The lamp capable of emitting light through the two faces comprises a battery box, a lamp rack, a lamp head capable of emitting light through the two faces and a cable storage device, wherein a storage battery is arranged inside the battery box, the lamp rack is arranged on the battery box, the lamp head is arranged at the upper end of the lamp rack, and the cable storage device is arranged at the bottom of the battery box and used for storing cables connecting an externally connected power socket. On one hand, the lamp is capable of emitting light through the two faces, one face of the lamp can be opened or the two faces can be opened at the same time according to lighting needs, and the lamp is flexible to control, wide in irradiation angle, large in lighting area, is practical, and is convenient to use. On the other hand, a cable storage cabinet is arranged at the bottom of the battery box of the lamp, internal cables can be pulled out and directly plugged into the external power socket to provide electricity for the lamp, the lamp can be charged through the storage battery in the battery box or an external connected power supply according to actual conditions, the defect that a traditional lamp is single in power supply mode is overcome, and the applicability of the lamp is reinforced.

A solar garden lamp includes a solar panel, a lamp body, and a bracket, the solar panel is installed on the bracket via a horizontally disposed solar panel support which is connected with the bracket via an erectly first rotating shaft with an electrical motor, the solar panel is rotatable around a front side of the solar panel support, the lamp body is connected with two sides of a fixing element via a horizontally disposed third rotating shaft, the fixing element is installed below the bracket and is connected with the bracket via an erect second rotating shaft, and the lamp body is capable of rotating around a perpendicular line where the third rotating shaft is connected. The solar panel can realize adjustment in two dimensions to meet absorption of solar light. The lamp body can realize the adjustment of each illuminating angle, and realize maximum illumination area.

The present invention relates to a light emitting diode with larger illumination area that includes a LED chip and a shielding layer. The shielding layer is disposed over an incident plane of the LED chip and its length is longer, equal to or shorter than the length of the incident plane of the LED chip. Thus diffraction generates by light emitted from the LED chip passing through the shielding layer so as to increase illumination area of the LED with more uniform brightness.

The invention relates to a chain one-way ratchet wheel two-side driven sun chasing mechanism, belongs to the field of green energy resource and solar energy photo-thermal utilization, and discloses a sun chasing mechanism of a reflector of a gathering irradiation type solar thermal collector. The gathering irradiation type solar thermal collector is much better than a direct-irradiation type solar thermal collector in performance; and the gathering irradiation type solar thermal collector is not widely used due to the fact that a reflector of the gathering irradiation type solar thermal collector must have the sun chasing function, and an original sun chasing mechanism is expensive and heavy and cannot be used for civil use. A chain one-way ratchet wheel two-side driven mechanism provides a simplest reflector sun chasing function. The irradiation strength borne by a heated pipe of the gathering irradiation type solar thermal collector is about 10 times that of the direct-irradiation type solar thermal collector, and a new field for using the solar thermal collector for heating in winter is created. The new structure is integrated with a building easily, outer sun shading of a building is formed, and the main air-conditioner energy consumption caused by the fact that heat is transferred to indoor places from a roof and a wall in summer is saved.

The invention relates to an outside-sunshade and solar-tracking parabolic-reflector solar thermal collector integrated with a building, which is a combination of outside sun shading, energy saving and solar energy utilization for a building. The thermal collectors are horizontally installed and vertically arranged and capable of shading most areas of the building excluding windows, and also obtain the maximal irradiated area unavailable to other solar utilization appliances; a unidirectional solar-tracking parabolic reflective cylindrical lens is capable of reflecting light to a unique heated tube without a vacuum interlayer and realizing high temperature in winter, wherein the intensity of the reflected light is several times as high as that of the direct solar radiation; and a flat can be provided with a plurality of thermal collectors for water heating and warming; and a freeze-proof heat source is provided for ground heating. The pressure of water supply also serves as the solar-tracking power of a reflector, and an outer power supply is not used for a complete machine. The thermal collector can be arranged alone at the upper eave, the roof and the vertical wall of a one-storey house or storied house, and can be used for medium stories which cannot utilize the solar energy in the prior art. The thermal collector employing air as a heat transfer working medium is capable of warming a room at winter, heating a large plastic house and blowing oxygen and warming for a fishpond.

The invention provides a mine explosion-proof straight LED (light-emitting diode) lamp which comprises an LED light source, an explosion-proof cavity, an LED heat radiation plate and the like, wherein the LED heat radiation plate is a semicircular heat radiation plate, a fin body of the heat radiation plate, which is a housing of the LED lamp, is arranged on the LED heat radiation plate, and the non-circumferential part is linked with a semi-circular strip-shaped anti-static light transparent cover; the explosion-proof cavity comprises an explosion-proof cavity body, a lower housing linked at the right end of the explosion-proof cavity body and the like, an intrinsically safe power supply component is arranged in the explosion-proof cavity, and the explosion-proof cavity is linked with the heat radiation plate through the lower housing; and an LED lamp light source is arranged at the non-circumferential part of the heat radiation plate and comprises two rows of LED light source parts with an included angle of 30 degrees. The mine explosion-proof straight LED lamp has the benefits of having large heat radiation surface, improving heat radiation performance of the LED lamp light source, prolonging service life of the LED lamp, reducing shading, being convenient to clean and scrub, increasing a light source divergence angle, enlarging illuminated area of a laneway, being convenient to detach and install and being easy to maintain.

The invention relates to a multi-photon digital treatment head, which belongs to the field of medical accelerators; because the problem of the existing two-photon treatment head is that the light field controlled by it can only be rectangular, which makes it impossible to form a non-rectangular light field. Furthermore, the desired optical field cannot be obtained accurately, and the two-photon therapeutic head has only two energy levels in the X-ray, and the set energy level cannot be changed, which has poor adaptability. The present invention uses different gold target components and fully automatic multi-leaf gratings to pass through the uniform X-ray beam, pass through the upper plate of the bearing, the shielding block, and reach the surface of the upper diaphragm component, and the front and rear directions have been set accordingly. The opening of the upper diaphragm assembly is the opening of the multi-leaf automatic grating that has been set correspondingly along the left and right directions; in the plane directly below the treatment head, the radiation field with the same size and shape as the light field can be directly obtained, which effectively solves the problem of dual The above-mentioned problems of the photon treatment head, and then realize the energy can be set arbitrarily between 6Mev-16Mev, forming a function of strong adaptability of the light field.

The invention discloses a body type light source based measurement and control system for large-area section flow field measurement. The measurement and control system comprises a test module, a central control module and a terminal control module; according to the invention, by adopting a body type light source to illuminate, a single-light-source illuminating area is increased, and bad influence of overlapping of multiple light sources on overall measurement is avoided; the measurement and control system disclosed by the invention applies depths of field of cameras and a specific focused image implemented by multi-camera post-processing synthesis to implement measurement on a specific section flow field, and compared to a conventional particle image speed measurement system, ensures measurement accuracy when implementing large-area measurement; the system can implement high-speed large-area section flow field measurement by connection of a synchronizer and a control system, and the system is simple in optical structure and convenient to arrange and apply; and by multi-camera synchronous acquisition and setting of exposure signals, large-area particle image acquisition can be implemented, and even high-speed fluid motion also can be measured by adopting a low-speed industrial camera.

The invention belongs to the technical field of illumination lamp production, and provides a slide way type lamp capable of emitting light from two faces. The slide way type lamp capable of emitting light from the two faces comprises a lamp support, a lamp cap with the two light-emitting faces and a battery box, wherein the lamp cap with the two light-emitting faces is arranged at the upper end of the lamp support, the battery box comprises a box body and a box cover, the lamp support is arranged on the box cover, and the box body is in slide way type coordination connection with the box cover. The slide way type lamp capable of emitting light from the two faces can emit light from the two faces, one of the two faces can be powered on according to the illumination requirement, the two faces can be simultaneously powered on as well, and the slide way type lamp is flexible in control, wide in illuminating angle, large in illuminating area, practical and convenient to use. Meanwhile, the box body of the battery box of the lamp is in slide way type coordination with the box cover, when parts inside the battery box need to be maintained, a user only needs to slide the box cover open from one side, the assembly is completed by sliding the box cover back in the reverse direction after the parts are maintained, the slide way type lamp is quite convenient and rapid to use, and time and labor are saved.

The invention discloses a measurement and control system for large-area cross-sectional flow field measurement based on a body-type light source, including a test module, a central control module, and a terminal control module; Due to the overlapping of multiple light sources, the entire measurement is adversely affected; the present invention uses the depth of field of the camera, and the specific specific focus image realized by the multi-camera post-processing synthesis to realize the measurement of the flow field of a specific section. Compared with the traditional particle image velocimetry system, in While realizing large-area measurement, the accuracy of measurement is guaranteed; the system is connected with the control system through a synchronizer, which can realize high-speed large-area cross-sectional flow field measurement. The exposure signal setting can realize large-area particle image acquisition, and even use low-speed industrial cameras to measure high-speed fluid motion.

The invention provides a reflecting mirror sun chasing mechanism with the swing rod positioning function, and relates to the field of green energy and solar energy photothermal utilization. A sun chasing mechanism of an agglomeration and radiation type solar heat collector reflecting mirror is provided; due to the fact that an agglomeration and radiation type solar heat collector must make the reflecting mirror to have the sun chasing function, and an original sun chasing mechanism is expensive and heavy and cannot be used for civil, although the performance of the agglomeration and radiation type solar heat collector is obviously superior to that of a direct shooting type solar heat collector, the agglomeration and radiation type solar heat collector cannot be widely used. The reflecting mirror sun chasing mechanism with the swing rod positioning function provides the most simple reflecting mirror sun chasing function. The irradiation strength of a heating pipe of the agglomeration and radiation type solar heat collector is about 10 times that of a heating pipe of the direct shooting type solar heat collector, and therefore the new field of the solar heat collector to winter heating is started. A new structure and a building are easily integrated, external sunshade of the building is formed, and main energy consumption, caused by heat transfer of roofs and walls to a room in summer, of an air conditioner is saved.

The invention discloses a solar lighting lighthouse, which belongs to the field of photoelectric equipment. A solar lighting lighthouse, including a tower body, which is vertical and connected to the ground, and has a photovoltaic power generation system; a lamp, which is located at the top of the tower body, emits light after being energized; a magnetic rotation photovoltaic module is connected to the tower body in rotation, and the magnetic rotation photovoltaic module The photovoltaic surface is always facing the direction of light. The photovoltaic surface is connected with the photovoltaic power generation system. The north side of the tower body is connected with the rotation of the tower body; it can drive the photovoltaic surface to rotate without power loss, so that the single-sided photovoltaic surface is always facing the sunlight, reducing the number of equipment for photovoltaic panels, reducing manufacturing costs, and improving light energy. Absorption, reduce energy loss.

The invention discloses a high-energy light beam energy collection device in a vacuum environment. A cavity assembly comprises a cavity, an opening is formed in the front side of the cavity, and a front cover is arranged at the opening in the front side of the cavity; glass is arranged at the opening in the middle of the front cover; an air inlet and an air outlet are formed in the left side and the right side of the cavity respectively, an air inlet pipeline is installed in the air inlet, and an air outlet pipeline is installed in the air outlet. The back face of the cavity is a conical face protruding forwards, a rear cover is arranged at the bottom of the conical face, a back face liquid flow channel is formed between the rear cover and the back face of the conical face, and a liquid inlet is formed in the rear cover; liquid runners are arranged on the upper, lower, left and right side surfaces of the cavity, and a liquid outlet is formed in the tail end of the liquid runner on one of the upper, lower, left and right side surfaces; the device adapts to a high-energy light beam collecting device in a vacuum environment, has a self-cleaning function, and realizes the test of the high-energy light beam generator in the vacuum environment.

The invention relates to a floodlight which comprises a lamp holder and a supporting device. The lamp holder comprises a lamp holder front casing, a transparent piece, a sealing ring, an aluminum substrate, a lamp holder back casing and a first locking ring. A first snap ring portion is arranged on the lamp holder front casing, a first groove ring portion is arranged on the lamp holder back casing in a fitted mode, and the first locking ring is movably arranged, surrounds the first snap ring portion and adjusts a self locking state. A plurality of radiating grooves are arranged on the back face of the aluminum substrate, the front face of the aluminum substrate is polished, a plurality of floodlight light-emitting diodes (LEDs) are annularly arranged on the front face of the aluminum substrate, and the sealing ring and the transparent piece are sequentially arranged on the lamp holder front casing in a pressed mode through the front face of the aluminum substrate. A plurality of cable through holes and a plurality of connection end portions are respectively arranged on the front face of the aluminum substrate, each cable through hole is respectively used for passing through each cable on the outside, and each connection end portion is respectively connected with the corresponding cable. The lamp holder back casing enables the aluminum substrate, the sealing ring and the transparent piece to be fixed on the lamp holder front casing through a plurality of bolts. A plurality of radiating holes are arranged in a shape of a concentric circle. By means of the technical scheme, the floodlight is good in sealing performance, good in radiating performance, light and handy in structure, convenient to carry and good in floodlight performance.

The invention relates to a reflector sun tracking photoelectric logic control and machine system, belongs to the field of green energy resource and solar light and heat utilization, and discloses a gathering and shooting type solar heat collector. 10 times of sunlight direct shooting strength can be gathered to a heated pipe. The new field of using a solar thermal collector for heating in winter is created. The construction cost is low, the heat efficiency is high, and a direct shooting type solar heat collector must be weeded out. According to the system, photocells are adopted as energy resources, a magnet pulls a reflector to track the sun and also serves as an additional weight of the reflector, and the structure is simple. The overall machine does not need a motor and an external power source, the machine and a building are integrated, an external sunshade of a building is formed, main air conditioner energy consumption caused by the fact that the roof and the walls transfer heatto the indoor place in summer is avoided, and the system is used for heating in winter.

The invention relates to a reflector sun tracking photoelectric logic control and machine system, belongs to the field of green energy resource and solar light and heat utilization, and discloses a gathering and shooting type solar heat collector. 10 times of sunlight direct shooting strength can be gathered to a heated pipe. The new field of using a solar thermal collector for heating in winter is created. The construction cost is low, the heat efficiency is high, and a direct shooting type solar heat collector must be weeded out. According to the system, photocells are adopted as energy resources, a magnet pulls a reflector to track the sun and also serves as an additional weight of the reflector, and the structure is simple. The overall machine does not need a motor and an external power source, the machine and a building are integrated, an external sunshade of a building is formed, main air conditioner energy consumption caused by the fact that the roof and the walls transfer heatto the indoor place in summer is avoided, and the system is used for heating in winter.

The invention relates to a chain one-way ratchet wheel two-side driven sun chasing mechanism, belongs to the field of green energy resource and solar energy photo-thermal utilization, and discloses a sun chasing mechanism of a reflector of a gathering irradiation type solar thermal collector. The gathering irradiation type solar thermal collector is much better than a direct-irradiation type solar thermal collector in performance; and the gathering irradiation type solar thermal collector is not widely used due to the fact that a reflector of the gathering irradiation type solar thermal collector must have the sun chasing function, and an original sun chasing mechanism is expensive and heavy and cannot be used for civil use. A chain one-way ratchet wheel two-side driven mechanism provides a simplest reflector sun chasing function. The irradiation strength borne by a heated pipe of the gathering irradiation type solar thermal collector is about 10 times that of the direct-irradiation type solar thermal collector, and a new field for using the solar thermal collector for heating in winter is created. The new structure is integrated with a building easily, outer sun shading of a building is formed, and the main air-conditioner energy consumption caused by the fact that heat is transferred to indoor places from a roof and a wall in summer is saved.

The invention discloses a soil conveying device of a transplanter. The device comprises supporting wheels, a conveying platform, a conveying mechanism, a soil scraper mechanism, a transmission mechanism and a profiling mechanism, wherein the platform is connected with a tractor; the supporting wheels, the soil scraper mechanism, the profiling mechanism and the transmission mechanism are sequentially arranged on the platform along the direction of the tractor; the transmission mechanism comprises a first transmission part and a second transmission part; the first transmission part is connectedwith rear wheels and transmission wheels of the tractor; and the second transmission part is connected with the soil scraper mechanism and the transmission wheels. According to the device, the use ofthe tractor can effectively save soil, seal holes punched on a plastic film during planting, improve the heat preservation effect of the soil, inhibit the growth of weeds and increase the illuminatedarea of the plastic film.

The vascular imaging search stick disclosed by the invention belongs to the field of medical devices and includes a light emitting part (1), a light guide column (2), a hand-held part (3), and a light source (4). The light emitting part (1) and the light source (4) ) is connected through a light guide post (2), the light guide post (2) is connected to the hand-held part (3), and the light source (4) is placed in the hand-held part (3). When in use, place the search rod on the lower part of the retina, through the difference in light transmittance between the blood vessels and the tissue, you can clearly see the direction of the blood vessels, avoid damaging the blood vessels during the operation, and reserve more blood vessels on the retina for the patient , Intestinal survival plays an important role; it can also be used for exploration, stripping, and compression of deep tissues in the abdominal cavity to stop bleeding.

Arc rack positioning mirror sun tracking mechanism. Green energy, solar thermal utilization field. The solar tracking mechanism of the reflector of the concentrated solar collector. The performance of the concentrating solar collector is obviously better than that of the direct solar collector. It has not been widely used because the concentrating solar collector must enable the reflector to have the function of tracking the sun. The original solar tracking mechanism is expensive and cumbersome and cannot be used in civilian applications. The sun tracking mechanism of the mirror positioned by the arc rack provides the simplest sun tracking function of the mirror. The intensity of radiation received by the heating tube of the concentrating solar collector is about 10 times that of the direct solar collector, thus creating a new field for solar collectors to be used for heating in winter. Moreover, the new structure is easy to integrate with the building, forming the external sunshade of the building, and saving the main energy consumption of the air conditioner, which is the heat transfer from the roof and the wall to the room in summer.

The invention relates to a multifunctional LED lamp which comprises a base, a supporting rod, a connecting rod, a light-emitting ring assembly, a circuit board, a circuit and a power source DC plug. The base, the supporting rod, the connecting rod and the light-emitting ring assembly are connected in sequence. The circuit board is detachably mounted in the base; and the light-emitting ring assembly is connected with the circuit board through the circuit. The light-emitting ring assembly comprises a plurality of light-emitting rings, and the edge of each light-emitting ring is provided with anLED lamp strip. The power source DC plug is electrically connected with the circuit board. The LED lamp has the beneficial effects that through cooperation of the base, the supporting rod, the connecting rod, the light-emitting ring assembly, the circuit board, the circuit and the power source DC plug, the structure is simple, operation is convenient, the production and manufacturing cost is low,and dismounting is convenient.