48results about How to "Optimize the appearance structure" patented technology

The invention discloses an indoor robot SLAM method. The method comprises the following steps: obtaining image data through a camera, wherein the image data comprises RGB images and depth images; using a corner detection algorithm, an LK characteristic point tracing algorithm, and a RANSAC algorithm to process the RGB images and depth images to adjust the position and angle of the camera so as to obtain the RGB image data information under a robot operation system; converting the depth images in a world coordinate system to a ground coordinate, traversing the depth images that are projected on the ground coordinate, setting the gray value of the grid where a barrier stays as a first characteristic value, carrying out traversing to obtain a 2D barrier grid map; through a single line laser radar scanning mode, searching the 2D barrier grid map, when the grid with a grey value equal to the first characteristic value is found, feeding back the distance between the grid and the camera to obtain the distance between a robot and the barrier, obtaining the depth images under a robot operation system, and obtaining an environment 2D map.

The invention relates to the manufacturing of a wave shape spring that modifies the CNC spring roller into several-layer spring equipment for production, for the benefit of improving productivity, quality, feature, dimension, cosmetic for mass production.

This invention relates to line motor, which belongs to line motor field and used in permanent line motor process and its servo control. The invention is composed of stator and rotor, wherein the stator comprises magnetic steel, base socket and the magnetic steel is divided into two rows with one gear groove width crossed; the rotor comprises rotor iron core, coil set and gear groove, slide bench and the rotor is connected to the rotor and has gas gaps with the rotor supported by line rail to make the rotor move along line.

The invention provides a polishing clamp device for metallographic structure analysis and a working method of the polishing clamp device. The polishing clamp device comprises a base, a first connection piece, a second connection piece, a test sample clamping device and an outer shell, wherein the shell is arranged on the outer portion of the test sample clamping device. The base is fixed to a box body of a polishing machine, the first connection piece is fixedly connected with the base, one end of the second connection piece is movably connected with a first connection piece, the other end of the second connection piece is movably connected with the outer shell, and the test sample clamping device is arranged in the outer shell and connected with the outer shell. The device has the advantages that the polishing clamp device is adopted to replace manual operation, so that the work efficiency is greatly improved; positive pressure is stably and elastically provided through springs, so that the polishing test sample is stressed uniformly, the polished surface is balanced, and the polishing quality is improved; the problem about the design of a polishing clamp on the polishing machine is solved, and the polishing clamp device is convenient to disassemble and flexible to adjust.

The invention discloses a bogie frame, a bogie and a rail vehicle. The bogie frame comprises a frame body mainly composed of two side beams, a crossbeam and two end beams, wherein the frame body is shaped like a Chinese character 'ri'. The bogie frame further comprises two wing beams fixed to the outer sides of the corresponding side beams. The two wing beams arranged in the length direction of the crossbeam form cantilever type structures. Motor installation seats are arranged on each wing beam in the longitudinal direction. Preferably, the two ends of each wing beam in the longitudinal direction are both provided with the motor installation seats. The bogie frame has the remarkable beneficial effects of being smooth in appearance, reliable in performance, stable in structure and the like.

The invention discloses a portable photoelectric effect detector including a detector body, a wire box, a radiator, a wire mesh and a front cover plate, one side of the detector body is provided with a wire box, the upper surface of the detector body is provided with a display screen folding groove, and the front cover plate is installed at the inner side position, close to a handle, of the front surface of the detector body. The structure is scientific and reasonable, the use is safe and convenient, the appearance structure of the detector is optimized, the detection data can be visually seen by workers, the detection efficiency of the workers can be improved, the handle and an antislip sleeve are arranged to make the detector portable, the radiator is arranged to increase the heat radiation intensity of the detector, and flame retardation moisture absorbing cotton is arranged to make the environment in the detector dry and to prevent static interference inside the detector as well. The portable photoelectric effect detector is simple in structure and convenient to use, and improves the service life of the detector.

The invention discloses a multifunctional double-layer plant protection box for an electrodynamic unmanned aerial vehicle for plant protection and the unmanned aerial vehicle. The multifunctional double-layer plant protection box comprises an upper box body and a lower box body, wherein a battery containing groove, a wireless receiving module containing groove, a video sending module containing groove and a membrane pump containing groove are formed in the upper end face of the upper box body, a clamping mechanism is arranged on the side wall of the battery containing groove and comprises a spring and a clamping hook, and the wireless receiving module containing groove, the video sending module containing groove and the membrane pump containing groove are provided with threaded holes. The lower box body is used for containing pesticide liquid and is provided with a liquid inlet, an exhausting port and a liquid discharging port, and the liquid discharging port is connected with a liquid discharging pipe. A battery, a wireless receiving module, a video sending module and a membrane pump in the prior art are all installed in the upper box body of the plant protection box, an appearance structure of the electrodynamic unmanned aerial vehicle in the prior art is optimized, and the waterproof, dustproof and scrape-proof capability in the plant protection operating process is also effectively improved.

The invention discloses a high-life tundish cover, and relates to the technical field of tundish manufacturing. The cover comprises a main structure, the main structure is a fireproofing forming body,a framework structure is arranged in the main structure, a baking hole and a stopper rod hole are reserved in the main structure, a protection steel plate fence is arranged on the periphery of the main structure, the two faces, that is the upper non-work face and the lower work face, of the main structure or the lower work face is designed in an arc manner, the tundish cover of the structure is not prone to deforming or collapsing, the use safety is good, the service life is long, and compared with an existing flat plate tundish cover, the service life is prolonged by more than 20%.

The invention belongs to the field of wind tunnel aerodynamic test equipment and specifically relates to a thermo-balance. According to the invention, the flat tail part of a balance support rod is provided with a tetragonal force-sensitive beam structure used for adhering a sensitive element. A protection sleeve is in threaded connection with the balance support rod and sleeves the force-sensitive beam so as to protect the sensitive element adhered to the force-sensitive beam against effect of air flows. According to the invention, deformation of the force-sensitive beam is measured through the sensitive element, so that the aerodynamic force acting on the surface of a model is measured.

The invention discloses a floating oscillating water column type wave energy power generation device with an air energy accumulator. The floating oscillating water column type wave energy power generation device comprises an oscillating water column module, a buoyancy cabin, an air inlet valve rectification module, an air outlet valve rectification module, an air energy storage and pressure stabilization module, a turbine generator set, an anchoring system and the like, wherein the oscillating water column module comprises an L-shaped pipeline and an air chamber, the buoyancy cabin is located above the L-shaped pipeline, the buoyancy cabin and the L-shaped pipeline are closely combined into a whole floating body, the air inlet valve rectification module and the exhaust valve rectification module comprises an air inlet valve with a large cross section area and an exhaust valve with a small cross section area, the energy storage and pressure stabilization module can be composed of a low-pressure storage tank, a medium-pressure storage tank and a high-pressure storage tank which are connected through an one-way valve and a throttling control valve, the turbine generator set comprises a one-way impulse type air turbine and a generator, and the mooring system comprises an anchor, an anchor chain and a windlass. According to the power generation device, a single-floating-body structural design is adopted, reliability is good, adaptability is high, commercialized production and application are facilitated through modularization, and the power generation stability and the power generation efficiency can be improved through the air energy accumulator.

The invention relates to an operation control method and device, and belongs to the technical field of terminals. The method comprises the following steps: when at least one interrupt signal is obtained, obtaining the behavior information of each interrupt signal, wherein the behavior information at least comprises the generation equipment identifier and the receipt time of the interrupt signal; according to the behavior information of each interrupt signal, obtaining an operation instruction corresponding to at least one interrupt signal from a prestored operation instruction database, wherein the operation instruction database stores the operation instruction corresponding to the behavior information; and according to the operation instruction, carrying out operation control. When at least one interrupt signal is received, according to the behavior information of the received interrupt signal, the corresponding operation instruction is obtained so as to carry out the operation control according to the operation instruction. In the process, the terminal does not need to additionally provide operation control options, a touch control panel does not need to be configured for the terminal, a space occupied by the terminal is saved, and the appearance structure of the terminal is optimized so as to lower the production cost of the terminal.

The invention relates to a portable right-angle prism installation parameter calibrator. Light emitted by a light source passes through a beam splitter a, and is transmitted onto a beam splitter b, then transmitted to a beam splitter c and divided into two routes of light by the beam splitter c, one route passes through the beam splitter c to irradiate a target object, the other route vertically goes up, and irradiates the target object via a reflector, moreover, a condenser and an autocollimating reticle are installed between the light source and the beam splitter a, a laser pointer is installed under the beam splitter c, the laser beam emitted by the laser pointer can serve as pointing light for the upward reflection of light by the beam splitter c, and the coaxiality between the light of the laser pointer and the emergent light of the beam splitter c is adjusted by an adjusting base.

The invention provides a marine telescopic crane which is simple in structure and convenient to operate, can realize flexible lifting, is suitable for the lifting working conditions of different working radiuses, effectively avoids the phenomenon that a steel wire rope deviates and jumps out of a groove, improves the working efficiency and the use safety, and has high use and popularization values. The marine telescopic crane comprises a base fixed on a deck, wherein a tower body is mounted on the base through a slewing bearing; a basic boom is hinged to one side of the top of the tower body; a hydraulic winch is mounted at the upper end of the basic boom; a telescopic boom is mounted in the basic boom; a pulley device is mounted at the end part of the telescopic boom; one end of the steel wire rope is connected with the hydraulic winch; the other end of the steel wire rope bypasses the pulley device and is connected with a lifting hook; a first fixing piece is arranged on one side of the lower part of the tower body; a second fixing piece is arranged at the bottom of the basic boom; and a derricking oil cylinder is mounted between the first fixing piece and the second fixing piece.

The invention discloses a shell structure of electronic equipment and electronic equipment. The electronic equipment comprises a main body; the shell structure comprises an appearance shell; the mainbody and the appearance shell are connected through a detachable connecting piece; the appearance shell comprises a U-shaped middle shell; the middle shell covers the top surface, left side surface and right side surface of the main body; and during disassembly, the detachable connecting piece is pulled out from the bottom of the electronic equipment, so that the main body is separated from the appearance shell. According to the shell structure and the electronic equipment of the invention, the main body of the electronic equipment is connected with the appearance shell through the detachableconnecting piece. When the electronic equipment is to be used, only the detachable connecting piece needs to be pulled out, so that the main body and the appearance shell can be quickly disassembled,and therefore, the electronic equipment is convenient use. The appearance shell comprises the U-shaped middle shell; and the disassembly position is arranged at the bottom of the electronic equipment,so that the disassembly position is more concealed, and therefore, the appearance of the electronic equipment can be effectively improved, and the use requirements of users are met. Compared with electronic equipment of which the plurality of screws need to be screwed from the outside, the electronic equipment of the invention is improved in appearance structure and can assist in saving manual operation cost.

The invention provides a mobile terminal, which comprises a shell, a touch screen, a CPU, a drive IC and a volume key ceramic wafer, wherein the touch screen is arranged on the surface of the shell; the CPU is electrically connected to the drive IC and is arranged in the shell; the volume key ceramic wafer is arranged between the touch screen and the shell and is used for transmitting the piezoelectric effect which is generated under the pressure to the drive IC to analyze; and the drive IC transmits the analyzed data to the CPU to carry out volume adjustment. According to the mobile terminal provided by the invention, an entity volume key is cancelled and the appearance structure of a machine body is optimized, so that the die cost of structural members is reduced, the product yield of the structural members is improved while a gap between the structural members is reduced, and thus the difficulties in electrostatic discharge and water resistance are reduced.

The invention provides a rotary switch device for an MIC tube of a headset and the headset. The rotary switch device comprises elastic pieces and an elastic piece contact plate. The elastic pieces are fixed to the MIC tube, the elastic piece contact plate is fixed to a cavity and provided with bonding pads, and the bonding pads and the elastic pieces are electrically connected to an MIC circuit. When the MIC tube is rotated around a protruding column to a certain angle, the bonding pads make contact with the elastic pieces, so that the MIC circuit is communicated, namely the MIC is in an open state. The MIC tube originally needs to rotate in use, the elastic pieces rotating along with the MIC tube and the bonding pads fixed along with the MIC tube are arranged, and therefore the on-off states of the MIC are controlled through rotation of the MIC tube. Thus, an MICMute key is omitted for the headset, appearance and structural design of the headset is facilitated, and appearance attractiveness of the headset is enhanced.