58results about How to "Avoid light effects" patented technology

The invention provides an optical touch system applied to electronic equipment with at least one physical surface. The optical touch system comprises an optical unit, an image acquisition unit and a processing unit, wherein the optical unit is arranged on the physical surface and used for generating a first optical effect, the image acquisition unit is arranged on the physical surface, at least partial optical unit is arranged in an acquisition range of the image acquisition unit, a touch operation area is formed by the image acquisition unit and the optical unit, the image acquisition unit is used for capturing second optical effect images which are formed on the first optical effect after an operator for operating the electronic equipment enters the touch operation area, and the processing unit is connected with the image acquisition unit and used for confirming an operator range in the touch operation area according to the second optical effect images. The invention also provides optical touch input display equipment and an optical touch input positioning method. The touch system has low cost and high reliability.

The invention relates to a multifunctional seed storage barrel which comprises a barrel body and a barrel cover, wherein a clapboard is arranged in the barrel body, a mesh cover capable of being opened and closed is arranged on the clapboard, a through hole penetrating through the barrel body is further formed in the barrel body, a seed taking device is arranged on the outer wall of the barrel body, the seed taking device comprises a slide and a slip sheet, the slip sheet capable of sliding up and down is arranged in the slide, a seed taking groove is arranged in the slip sheet, the slip sheet slides downwards to enable the seed taking groove to correspond to the through hole, a seed enters the seed taking groove, the slip sheet is elevated until the seed taking groove is exposed, and then the seed is taken out. The storage barrel can store the seed in a dry closed space, the invasion of humidity and illumination is avoided, the problems that the seed is affected with damp and mildewed and the like are effectively prevented, meanwhile, the barrel is convenient and rapid to operate, and the long-term storage and use of the seed is facilitated.

Disclosed are a lamp, a method of fabricating the same and an LCD having the same. Electrode is disposed on an outer surface of a lamp tube, and an adhesive member is interposed between the electrode and the lamp tube. The adhesive member is hardened and expanded by means of heating, and adheres the electrode to the lamp tube. Thus, voids generated during forming the electrode on the outer surface is removed, and images having a high quality are obtained.

The invention relates to the technical field of lighting equipment and discloses an LED ceiling lighting lamp. The LED ceiling lighting lamp comprises a base, wherein a lampshade is fixedly installed on a front face of the base, a circle of air inlet holes are formed in the side wall of the base, an LED lamp is fixedly installed at the center axis of the bottom side of the base, and a plurality of air outlet holes are formed in the end, away from the lampshade, of the base; a circle of sliding groove is formed in the side wall of the base, and a heat induction deformation ball is fixedly installed at the position of a center shaft in the base. According to the LED ceiling illuminating lamp, when the internal temperature reaches a certain value, the temperature rises to drive a heat induction deformation ball to deform, and then a semi-arc stop block is driven to move under the action of a moving rod, so an air inlet hole is exposed, and air enters the interior of a base; and meanwhile, air enters to drive an airflow plate to rotate under the action of an arc-shaped flow guide plate, so an impact rod impacts a collision rod to achieve air circulation, and heat dissipation of the interior of the lampshade is facilitated.

The invention relates to a method for positioning a rectangular electric device under shadow illumination. The method mainly solves the technical problem that a registration method based on image point features is not ideal in effect in the presence of shadows in the automatic positioning and recognition process of various instruments. The method comprises the following steps: firstly, acquiring acolor image only containing a specified rectangular device by an inspection robot, and respectively carrying out threshold segmentation and morphological operation on an R channel image of the colorimage to obtain a denoised binary image; extracting a contour line of a region with the maximum area from the binary image, judging whether the region is a target device or not by setting an area threshold value, and solving a minimum enclosing rectangle by utilizing the contour line of the region where the target rectangular device is located; and finally, eliminating shadow influence by means ofa pixel vertical and horizontal projection method, so that the accurate position of the rectangular electric device in the image is obtained. High-precision positioning of the rectangular electric device under shadow illumination can be realized.

The invention relates to an on-board warning device for reminding a rear vehicle to use a light. The device comprises a device body, a signal-receiving mechanism, a signal-processing mechanism and a signal output mechanism; the signal-receiving mechanism comprises a photosensitive plate and a photosensitive sensor disposed on the surface of the photosensitive plate; the signal-processing mechanismincludes a photoelectric signal converter and a central processor; the signal output mechanism includes a display and an indicator light both disposed on the rear window wall; and the device is alsoprovided with a Bluetooth receiver matched with the central processor and can also controls the signal output mechanism through the Bluetooth receiver. The device is reasonable in structure, clever indesign and convenient to install and does not affect the normal use of vehicles and effectively prompts a rear vehicle driver to use the light correctly; the existing technical problems facing vehicle drivers that the rear vehicle does not correctly use the high beam light and irradiates a front vehicle for a long time so as to cause a accident easily and the impaired vision of a front vehicle driver and affect normal driving are solved; and for the existing technologies, the device has a good market prospect and development space.

The invention discloses a workpiece three-dimensional point cloud registration method based on direction histogram signature features, and belongs to the field of machine vision. The method comprisesthe steps: extracting the key points of a workpiece target point cloud through an internal signature description algorithm; adopting a direction histogram signature feature descriptor to carry out feature description extraction on the key points; randomly sampling the key points, and searching and extracting registration point pairs by combining secondary constraints, namely neighborhood constraints and distance constraints, in offline calculated template feature description; solving a rotation matrix and a translation vector by utilizing dual quaternion to realize initial registration of thepoint cloud, and realizing accurate registration of the point cloud by utilizing an iterative closest point algorithm on the basis of an initial pose provided by the initial registration. Compared with conventional registration based on a two-dimensional image, the method has the advantages that the influence of illumination can be avoided, the requirement for the placement position of an object is lowered, and the accurate pose relation between the template and the target, namely the rotation matrix and the translation matrix between the template and the target, can be obtained.

The invention discloses a composite braided fiber rope, which includes a rope core (1) (2), and the rope core (1) (2) is formed by twisting a plurality of rope strands (2) (1). Each rope strand (2) (1) is formed by twisting a plurality of rope yarns, and each rope yarn is twisted and formed by a plurality of monofilaments made of stainless steel fibers; it is characterized in that: the rope core (1 ) (2) is wrapped with an inner waterproof layer (3), and the inner waterproof layer (3) is wrapped with an outer protective layer (4); the inner waterproof layer (3) is an EVA foam self-adhesive tape through a spiral winding method Pressed and wound. The invention has the advantages that it can overcome the disadvantages of the prior art, and the structural design is reasonable and novel.

The invention discloses an LED street lamp based on a high-brightness coaxial light source. The LED street lamp comprises a street lamp pole and heat dissipation holes, a base is fixedly arranged on the outer side of the lower end of the street lamp pole, a connecting column is fixedly mounted on the outer side of one end of the street lamp pole, an LED street lamp body is fixedly mounted on the outer side of one end of the connecting column, and an ultrasonic insect expelling device is fixedly arranged on the outer side of one end of the LED street lamp body. According to the LED street lampbased on the high-brightness coaxial light source, a coaxial LED light source array, a coating film splitting filter, the ultrasonic insect expelling device and a standby small lamp are arranged, illumination provided by the coaxial light source is more uniform than that of a traditional light source, the illumination degree and the illumination uniformity of the street lamp are improved, meanwhile, the light loss is reduced, mosquitoes around the street lamp can be effectively repelled by the aid of the ultrasonic waves, the influence on the illumination effect is avoided, the standby illumination is further provided, the trouble about damage to the headlamp is solved, people can use the lamp conveniently, and a better application prospect is brought about.

The invention belongs to the field of LED lamps, and particularly relates to a safety explosion-proof lamp for coal underground construction. The lamp comprises a lamp body, wherein the upper end of the lamp body is fixedly connected with a cooling liquid tank, evaporation liquid is contained in the cooling liquid tank, the upper end of the cooling liquid tank is rotationally communicated with anevaporation pipe, the inner side wall of the evaporation pipe is fixedly connected with a horizontally-arranged rotary disc, a plurality of through exhaust holes are formed in the rotary disc, the plurality of exhaust holes are formed in an inclined manner, a plurality of fan blades which are arranged in an annular array are fixedly mounted at the upper end of the evaporation pipe, cooling channels communicated with the evaporation pipe are formed in the fan blades, the evaporation pipe is coaxially sleeved with a fixing ring, the ends, which are away from the evaporation pipe, of the fan blades are rotatably connected with the inner side wall of the fixing ring, and the side wall of the cooling liquid box is rotatably communicated with a plurality of return pipes. The evaporation liquid circularly flows in the cooling liquid tank, the evaporation pipe and the cooling channels, and a good heat dissipation and cooling effect can be achieved without other driving devices.

The invention discloses a positioning tool for steel structure welding, and relates to the technical field of welding. The positioning tool comprises a bearing plate, wherein limiting grooves are symmetrically formed in the top of the bearing plate, movable plates are movably clamped in inner cavities of the two limiting grooves, extension rods are fixedly connected to the bottoms of the two movable plates, threaded rods are fixedly connected to the bottom ends of the two extension rods, the bottom ends of the two threaded rods are movably connected with the bottoms of the inner walls of the two limiting grooves in a penetrating mode correspondingly, locking pieces are in threaded connection with the positions, located below the bearing plate, of the outer walls of the two threaded rods, rotating blocks are fixedly connected to the bottom ends of the two threaded rods, and positioning blocks are arranged at the tops of the two movable plates. According to the positioning tool for steelstructure welding, the movable plates and the rotating blocks are arranged, the rotating blocks are moved and rotated to drive the movable plates to be disengaged from the limiting grooves, rotate bya certain angle, and then enter the limiting grooves again, positioning work on steel structures in different directions is achieved, and the applicability of the positioning tool for steel structurewelding is improved.

The invention relates to the technical field of photovoltaic power generation, and discloses a distributed solar power generation device and system based on Internet of Things control, rotating frames are rotated by a certain angle by turning over a motor so as to obtain an optimal illumination angle, and meanwhile, a certain fixing effect is achieved on a rotating shaft and the plurality of rotating frames, so that the rotating shaft and the plurality of rotating frames can be fixed. A plurality of driving air cylinders are controlled to operate at the same time, so that a plurality of driving telescopic rods drive telescopic blocks to move in opposite directions, and then a plurality of extension frames are driven by a plurality of connecting blocks to extend towards one side from the lower part of a corresponding rotating frame under the guide action of corresponding guide columns and T-shaped sliding grooves; therefore, the multiple solar sailboards and the extension sailboard are fully exposed under illumination, more radiation energy is obtained in unit time, the solar energy obtaining rate is improved, compared with the prior art that multiple sailboards are vertically distributed, the daylighting influence among the multiple sailboards can be avoided, the overall height of the device can be reduced, and the high-altitude risk is reduced.

The invention discloses a building lighting device with the angle convenient to adjust, and relates to the technical field of building lighting devices. The building lighting device comprises a supporting plate, a light guide pipe and a top plate, wherein a triangular light guide plate is fixedly connected to the upper surface of the supporting plate; light reflecting plates are arranged on the left side and the right side of the triangular light guide plate and hinged to the upper surface of the supporting plate; a cleaning mechanism is arranged between the light reflecting plates and the triangular light guide plate and fixedly connected to the lower surface of the top plate; and a water tank is arranged on the upper surface of the top plate. According to the building lighting device, byarranging a first steering mechanism, the first steering mechanism can drive a connecting pipe to rotate during work, the connecting pipe can rotate in a third shaft sleeve, and therefore the supporting plate can rotate to adjust the positions of the triangular light guide plate and the light reflecting plates; and two sets of extrusion rollers in an adjusting mechanism can get close to each other or get away from each other, and therefore the light reflecting plates can be extruded, the angles of the light reflecting plates are changed, the light receiving angles of the light reflecting plates can be changed, and the lighting efficiency is greatly improved.

The invention discloses a high-heat-dissipation type anti-explosion LED industrial illuminating lamp, and relates to the technical field of industrial illuminating lamps. Comprising a protective cover, a device shell is fixed to the top of the protective cover, a mounting ring is fixed to the top of the device shell, connecting equipment is fixed to the inner wall of the device shell, and an illuminating lamp is fixed to the bottom of the connecting equipment. According to the high-heat-dissipation type anti-explosion LED industrial lighting lamp, when the temperature in the device shell is too high, carbon dioxide gas filled in a sealing barrel is expanded, then a piston block drives a push rod to move, an extrusion plate moves downwards, and when the extrusion plate descends to a designated position, the extrusion plate is driven to rotate; through cooperation of a limiting mechanism, a sliding rod, a third spring, a cylinder, a sliding groove, a rotating rod, a cam, a baffle, a fourth spring and a connecting rod, a dustproof net is vibrated, then dust attached to the dustproof net can be vibrated, and the situation that a large amount of dust and the like are attached to the dustproof net, the dustproof net is shielded, and then heat dissipation in the device shell is affected is prevented.

The invention discloses a textile crease detection method based on deep learning, and the method comprises the steps: firstly collecting a plurality of original gray images of a textile, detecting a textile crease binary image corresponding to the gray images of the textile, and obtaining a textile crease sample set; then, carrying out sample enhancement on the textile original grayscale image sample set and the corresponding textile crease sample set to obtain an amplified sample set; training a textile crease detection semantic segmentation deep convolutional neural network by using the amplified sample set; and performing textile crease detection by using the trained semantic segmentation deep convolutional neural network in combination with a block chain technology. By means of the textile crease detection device and method, in textile crease detection, the detection precision can be improved, manual parameter adjustment is reduced, the illumination influence is overcome, and the safety in the data processing process can be improved.

. The fixed mounting structure for the high-brightness white-light LED lighting lamp comprises a wall body, a mounting plate, a high-brightness white-light LED lamp body, a lampshade, a mounting box, a wire, a controller and a first fixing mechanism. A movable ring can be fixed by clamping a ball in a first annular groove, a lampshade can be fixed, in the whole process, the lampshade only needs to be supported by two hands and moves upwards, the lampshade is easy and convenient to mount, a user only needs to support the lampshade by two hands and rotate the lampshade during dismounting, and when the ball corresponds to the notch in position, the movable ring downwards moves, and the movable ring and the lampshade are dismounted together. If the position of the mounting hole deviates, the mounting plate can be mounted at the beginning only by inserting a square ring into the mounting box and rotating the mounting plate to align the adjusting hole with the mounting hole, so that a mounting person can conveniently find the hole in the mounting plate.