10results about How to "Increase the light area" patented technology

The application relates to the technical field of tunnel lighting, in particular to a tunnel lighting device utilizing sunlight refraction, which comprises a turning pipe, an inner light guide pipe, an outer light guide pipe and the like. The turning pipe is a pipeline structure with a vertical bend and is used for changing the light transmission direction, the horizontal end of the turning pipe is connected with the inner light guide pipe, and the vertical end of the turning pipe is connected with the outer light guide pipe. The application does not need photoelectric conversion in the whole process, directly uses natural light for illumination, has no power consumption, no carbon emission and no battery replacement problem, and has low operation cost. A large-diameter light collecting cover is used to cooperate with a large-pipe-diameter installation pipe to improve the initial light collecting area. The light is gathered into a collimated light beam through a first focusing lens and a collimating lens, so that the divergence loss is reduced.

The utility model discloses a narrow edge type door and window structure and a door and window. The door and window structure comprises a frame profile mounted at a window; the sash sectional material is movably arranged on the frame sectional material, and glass is installed on the sash sectional material; the locking hardware is mounted on the surface of the glass and detachably connected with the frame profile so as to be switched between a locking state and an unlocking state; when the locking hardware is in an unlocking state, the sash profile and the frame profile can be opened and closed, and when the locking hardware is in a locking state, the sash profile and the frame profile are relatively fixed; the opening hardware is at least partially mounted on the surface of the glass and is connected with the frame profile; the opening hardware can open and close the sash section bar when the locking hardware is in an unlocking state. Therefore, by changing the mounting form of the locking hardware and the opening hardware, the locking hardware and at least one part of the opening hardware are mounted on the surface of the glass, so that the visual surface of the sash profile can be effectively reduced, and further, the light shielding is effectively reduced, so that the overall lighting area of the door and window structure is increased.

The application discloses a straw covering no-tillage seeding machine, and particularly relates to the technical field of agricultural mechanical equipment, which comprises a rack, a moving device, a secondary processing device and a seeding and fertilizing assembly. The moving device driven by a tractor is arranged on the rack hinged to the tractor. The secondary processing device comprises a flow guide cover and a secondary processing cutter roll assembly. The secondary processing cutter roll assembly is in transmission connection with the moving device. The moving device is used for conveying the straw in the width of the rack to the lower side of the secondary processing device. The secondary processing cutter roll assembly is used for crushing the straw and conveying the straw into the flow guide cover. By adjusting the rotating speed of the secondary processing cutter roll assembly, the straw thrown out of the outlet of the flow guide cover can fully cover the ground or cover between the ridges. The seeding and fertilizing assembly is fixedly arranged at the end of the rack far from the tractor. The application can realize two covering modes of the straw covering between the ridges and the straw fully and uniformly covering the ground, meets the covering requirements of different regions, reasonably regulates the ground temperature, and achieves the purpose of water storage and soil conservation.

The utility model discloses a hard lamp strip with double-sided LED lamp beads, and relates to the technical field of illumination. The LED lamp tube comprises a radiating tube, two LED lamp strips and two connecting tubes, the two connecting pipes are installed at the two ends of the radiating pipe, an air inlet pipe and an air outlet pipe are installed at the bottoms of the two connecting pipes respectively, and a fan is installed at the free end of the air inlet pipe. Mounting grooves are formed in the two sides of the heat dissipation pipe, the two LED lamp strips are fixedly connected into the two mounting grooves through screws correspondingly, and silicone grease layers are evenly smeared between the LED lamp strips and the heat dissipation pipe. The light emitting area can be increased through the two LED lamp strips, the illumination range is wider, meanwhile, heat of the two LED lamp strips is conducted into the heat dissipation pipe through the silicone grease layer, then hot air in the heat dissipation pipe is exhausted through the draught fan, the hot air in the heat dissipation pipe can be exhausted along the air outlet pipe, and the heat dissipation effect is better. Therefore, heat generated by the two LED lamp strips can be taken away, the heat dissipation efficiency of the LED lamp strips is improved, and the service life of the LED lamp beads is prolonged.

This utility model discloses a clothes drying rod and a clothes drying machine. The clothes drying rod includes a main drying rod with multiple first stop structures spaced apart along its length. It also includes at least one secondary drying rod, one end of which is rotatably connected to the main drying rod. The secondary drying rod can be switched between an extended state and a retracted state by rotation. In the extended state, the secondary drying rod extends to the outside of the main drying rod to form an extended structure; in the retracted state, the secondary drying rod overlaps with the main drying rod. The secondary drying rod has multiple second stop structures spaced apart along its length. When the secondary drying rod is in the retracted state, the second stop structures correspond to the first stop structures in the thickness direction of the main drying rod, so that clothes hangers can be simultaneously hung on the first and second stop structures. This utility model expands the drying capacity of a clothes drying rod of limited length by setting a rotatable secondary drying rod, and improves the windproof effect of the clothes drying rod by setting the first and second stop structures.

This invention provides a grating ruler displacement sensor based on an oblique incidence optical path, relating to the field of optical measurement technology, to address to some extent the problem of excessively large readhead size hindering installation in small spaces. The grating ruler displacement sensor based on an oblique incidence optical path provided by this invention includes a readhead module and a grating ruler. The readhead module includes a housing, a PCB, and a light source. The top wall of the housing has a mounting plane for mounting the PCB, which is mounted on the mounting plane. The light source is integrated on the side of the PCB facing the top wall of the housing. A light-emitting aperture is formed on the top wall of the housing corresponding to the position of the light source, allowing light emitted from the light source to exit the housing. The mounting plane is obliquely positioned and forms an angle with the outer surface of the top wall of the housing. The grating ruler is parallel to the outer surface of the top wall of the housing. Using the structure provided in this application, the overall thickness of the readhead can be made very small, thus enabling easy installation in confined spaces such as micro-machine tools and precision displacement stages.

The utility model discloses an LED outdoor lighting device with an adjustable irradiation angle, which comprises a lamp frame, a first lamp panel and a second lamp panel are rotatably connected in the lamp frame, and the first lamp panel and the second lamp panel are arranged in parallel. The LED lamp is provided with the two lamp panels, the two lamp panels are adjusted and driven by the motor, and the two lamp panels can rotate independently, so that the light-emitting surfaces of the lamp panels are opposite, and light rays are gathered and irradiated; when the illumination area needs to be increased, the two lamp panels rotate towards the two sides respectively, the light-emitting faces of the two lamp panels are opposite, so that the illumination area is increased, meanwhile, the two lamp panels can rotate towards the same side, single-side illumination is achieved, and compared with an existing lamp, the LED lamp can carry out adjustment of light condensation, lateral illumination and scattered illumination, and is convenient to use. Various lighting effects are met, and electric adjustment is simple and convenient.

This invention discloses a photovoltaic power generation and energy storage device suitable for complex scenarios, belonging to the field of solar photovoltaic power generation and mobile power supply technology. The device includes a main frame, at least one folding frame rotatably mounted on the side of the main frame, an extension frame hinged to the folding frame, and photovoltaic panel arrays fixed to the folding frame and the extension frame. The main frame is a cubic frame with an integrated power supply box. The folding frame and the extension frame form a multi-stage unfolding mechanism, which, in conjunction with connectors, pneumatic struts, and hydraulically driven top rods, achieves smooth, labor-saving, and rapid unfolding and folding. After unfolding, it forms a large-area, multi-directional photovoltaic array, and a support mechanism provides stable support in complex terrain. This invention integrates power generation, energy storage, transportation, and protection, and has the advantages of rapid unfolding, structural stability, strong terrain adaptability, and ease of transportation and deployment. It is particularly suitable for power supply needs in complex scenarios such as mountainous areas, field exploration, and emergency disaster relief.

The utility model provides a folding lamp, and relates to the technical field of illumination. The folding lamp is provided with a first light emitting side and comprises a plurality of light source modules and a plurality of hinge parts; the plurality of light source modules are sequentially arranged in parallel; a hinge part is arranged between every two adjacent light source modules, and every two adjacent light source modules are hinged through the corresponding hinge part. When the folding lamp is unfolded, the multiple light source modules are sequentially arranged in the first direction, and the surface, facing the first light-emitting side, of each light source module and the surface, facing the first light-emitting side, of each hinge part are light-transmitting faces. The multiple light source modules are hinged, and the surfaces, facing the first light-emitting side, of the light source modules and the surfaces, facing the first light-emitting side, of the hinged parts are arranged to be the light-transmitting faces, so that the convenience of diaphragm appearance detection can be improved, and the whole surface, facing the diaphragm, of the folding lamp is the light-transmitting face; therefore, the transmittance of light emitted by the light source module is improved, shadow and light and shade differences can be reduced, and the brightness of the observed diaphragm is improved.

This application discloses a car roof, including a connecting plate for connecting between a first crossbeam and a second crossbeam, the connecting plate being hollow; the car roof includes a transmission device, the transmission device comprising: a guide rail disposed within the connecting plate; a slider slidably engaged with the guide rail; a driving assembly disposed on the guide rail, the driving assembly causing the slider to move along the length direction of the guide rail; a functional block connected to the slider, the functional block being located inside the vehicle, the bottom wall of the connecting plate having a through groove for the functional block to move; and a storage assembly including a storage box for connecting with the functional block. This application can improve the convenience of sharing and transferring items inside the vehicle.