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 discloses an air-sea interface water boundary layer temperature profile fine measurement buoy. Micro-scale temperature sensor packaging is designed by the aid of a micro-temperature sensor array based on novel heat sensitive materials, microminiaturization of the buoy is achieved, array application can be integrated, real depth of temperature nodes is accurately detected by the aid of a high-accuracy automatic liquid level detection technology based on open capacitance arrays according to 0.02% high-accuracy pressure sensor references of a front end and a tail end, a reasonable self-correction system is designed, parameters are provided for follow-up data processing, and refined depth observation of sea-surface temperature is ensured under normal observation of sea conditions.

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 an LED lamp. The LED lamp comprises a metal lamp base, an aluminum molded radiator, a driving power supply panel, a light source assembly and a PC bulb shell; the light source assembly is composed of a light source board and a plurality of LED lamp bulbs; the aluminum molded radiator is hollow and the top of the aluminum molded radiator is open; the driving power supply panel is arranged in the aluminum molded radiator via the top opening of the aluminum molded radiator; the light source board is connected to the outer bottom of the aluminum molded radiator; the light source board is connected with the driving power supply panel; the upper part of the aluminum molded radiator completely extends into the metal lamp base and is connected with the metal lamp base; the aluminum molded radiator is connected with the metal lamp base to form a heat dissipating assembly; the PC bulb shell is a pear-shaped light diffusion PC bulb shell; the mouth part of the PC bulb shell is connected with the inner side of the bottom of the metal lamp head so that the lower part of the aluminum molded radiator can be completely located in the PC bulb shell, and the light source board is close to the mouth part of the PC bulb shell; the LED lamp has the advantages of simple structure, small volume and simple manufacturing and assembly of the aluminum molded radiator, good heat dissipation property of the whole lamp due to heat dissipation via the lamp head, and good light distribution effect of the whole lamp.

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 discloses a preparation method and application of an easy-to-suture array microtubular nerve regeneration stent. The preparation method comprises the following steps: preparation of an array microtubular inner core, preparation of an electrostatic spinning easy-to-suture nerve stent skin structure, and preparation of the easy-to-suture array microtubular nerve regeneration stent. A regeneration method comprises the following steps that an array microtubular nerve stent physically guides nerve regeneration by use of longitudinally and parallelly arranged array mocrotubular structures; and the easy-to-suture nerve stent skin structure wraps the array microtubular nerve stent to achieve nerve stuffing and is used for suturing of nerve stumps and a bridging stent. Through changes of matching between an array microtubular inner core die and an electrostatic spinning receiving steel bar, the easy-to-suture array microtubular nerve regeneration stent with the length of 10-100 mm and the internal diameter of 1-8 mm can be prepared, and spaces reserved at two ends of the easy-to-suture nerve stent skin structure are 1-5 mm, and stuffing suture of the nerve stumps is facilitated.

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 discloses a marine deck crane comprising a base. Side support beams are arranged on the two sides of the base, the inner wall of the base is provided with a power device, the base is provided with a tower body, the base and the tower body are connected through a slewing bearing, the slewing bearing and the power device are connected to each other, an operation room is arranged in thetower body, a lifting control device is arranged at the bottom of the inner wall of the tower body, a lifting winch is arranged on one side of the tower body, a lazy arm is hinged to the other side of the tower body through a locking pin, the lazy arm and the lifting control device are connected, the other end of the lazy arm is provided with a second pulley device, the top of the tower body is provided with a first pulley device and an electric slewing reduction box, the lifting winch, the first pulley device and the second pulley device are connected through a steel wire rope, and a liftinghook is arranged below the second pulley device. The marine deck crane is simple in structure, the occupied deck area is small, operation and control are simple, and many special engineering operations can be realized.

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 provides an aviation-sealing-based hollow sealing ball defective gas screening device, relates to the technical field of defective screening devices, and solves the problems that a defective product is prone to being clamped in screen holes during screening, so that a next ball cannot be screened through the screen holes, and feeding, screening, separation of the defective product from the screen holes and pneumatic discharging of the defective product cannot be achieved through structural improvement and driving of one electric element. The aviation-sealing-based hollow sealingball defective gas screening device comprises a screening barrel and a plate body, wherein a feeding pipe is connected to the screening barrel, and a screening structure is connected to the screeningbarrel in a sliding mode. Due to the fact that the left end face of the plate body is subjected to oblique angle treatment, switching between a sealing state and an opening state of the three screen holes can be achieved through left-right movement of the plate body, the defective product can be ejected out of the screen holes through the plate body with the left end face subjected to the obliqueangle treatment, and then follow-up clearing of the defective product is facilitated.

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 MIC tube rotary switch device of a headset and the headset, the rotary switch device includes: a spring and a contact plate of the spring, the spring is fixed on the MIC tube; the contact plate of the spring is fixed in the cavity On the body, a pad is provided on the contact plate of the elastic piece; the pad and the elastic piece are respectively electrically connected to the MIC circuit; when the MIC tube rotates around the protruding column to a certain angle, the pad and the elastic piece Contact, so that the MIC circuit is connected, that is, the MIC is in the open state. The MIC tube needs to have a rotating action when in use, so by setting the shrapnel that rotates with the MIC tube and the fixed pad, the switch of the MIC is controlled through the rotation of the MIC tube; this saves the MIC Mute button on the headset, which is convenient for the headset. The appearance and structural design enhance the appearance of the headset.

The invention provides a novel vertical up-and-down L-shaped sealing and cutting machine. The novel vertical up-and-down L-shaped sealing and cutting machine comprises a main frame, a film conveying system, a film pulling system and a film collecting system; the film conveying system is arranged on the main frame; the film pulling system is fixed to the main frame; and the film collecting system is fixed into the main frame and located below the film pulling system. According to the novel vertical up-and-down L-shaped sealing and cutting machine, the film conveying system and the film collecting system are contained in the main frame, the film pulling system is fixed, and thus the novel vertical up-and-down L-shaped sealing and cutting machine is simpler in structure and occupies the smaller size.

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.

The invention relates to a wet iron ore powder bin device capable of preventing arching and arch breaking and an application method. The wet iron ore powder bin device comprises a bin straight barrel, a bin cone, lining plates, driving devices, drum hammers, supports, drum membranes and a weighing belt weigher, wherein the lower end of the bin straight barrel is connected with the upper end of the bin cone; the lower end of the bin cone is a discharging port; the bin cone is of an asymmetric structure with inconsistent side tapers; the lining plates are fixed on the inner surfaces of the bin straight barrel and the bin cone; holes are formed in the bin cone and the lining plates in the bin cone in the circumferential direction; the drum hammers are arranged in the holes, and are arranged at the holes in the inner sides of the lining plates. the drum hammers are connected with push rods of the driving devices; the driving devices are installed on the supports; the supports are fixed onto the bin cone; and the weighing belt weigher is installed below the discharging port. The device further comprises a computer, wherein the driving devices and the weighing belt weigher are electrically connected with the computer. According to the wet iron ore powder bin device capable of preventing arching and arch breaking and the application method provided by the invention, the arching prevention measures are taken from three aspects, and arching prevention and arch breaking can be achieved for wet iron ore powder.

The invention discloses a remote household appliance control method based on mobile phone identification. The remote household appliance control method based on the mobile phone identification comprises the following steps: S1, a face image of a mobile phone owner or other appointed users is acquired in advance; S2, feature information of the acquired face image is extracted, and is stored in a storage unit of the mobile phone; S3, before the mobile phone is connected with a remote household appliance, the face image of the current user is acquired through a mobile phone camera; S4, a main control unit of the mobile phone extracts feature information of the face image of the current user and compares the feature information with pre-stored feature information, if the compared result is accordant, the mobile phone remote connection is completed; and if the compared result is not accordant, the mobile phone connection is stopped; and S5, a judged result is output through a mobile phone display unit.

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 relates to the technical field of sealing and sound insulation, and discloses an invisible magnetic attraction structure and a door. The invisible magnetic attraction structure comprises a magnetic attraction assembly installed between a door frame and a door plate, wherein the magnetic attraction assembly comprises a first magnetic part installed on the door frame and a second magnetic part installed on the door plate and attracted to the first magnetic part; a sealing strip is arranged on a door stop of the door frame; the first magnetic part is installed between the sealing strip and the door stop; the second magnetic part comprises an installation base and a magnetic block; the installation base is installed in an outer frame of the door plate and corresponds to the first magnetic part in position; and the magnetic block is installed on the side, close to the first magnetic part, of the installation base. According to the invisible magnetic attraction structure and the door, the sealing and sound insulation effects are good, the design of the invisible structure is adopted, the attractiveness is high, the invisible magnetic attraction structure and the door can adapt to installation of doors of various colors, the structure is simple, installation is convenient and fast, and the use reliability of products is improved.

The invention discloses a 3D printing method for a circuit board with a space three-dimensional circuit. The 3D printing method comprises the following steps that a circuit board structure model and a circuit line are designed by utilizing three-dimensional modeling software; the circuit board structure model is hierarchically sliced by utilizing slicing software, and structure and circuit line information in slicing layers is identified; identification information of each layer is inputted to FDM equipment equipped with double nozzles; deposition and formation are performed layer by layer by the double nozzles according to the structure information and the circuit line information of each layer, a formed piece is enabled to drop a height of preset layer thickness when deposition and formation of one slicing layer are completed in the formation process, the next slicing layer is deposited on the formed slicing layer by the double nozzles continuously, and circulating stacking is performed layer by layer until printing of the whole circuit board is completed; and post-processing is performed on the circuit board so that the required circuit board is obtained. According to the method, the conventional manufacturing process is greatly simplified, the manufacturing period is shortened, manufacturing cost is reduced and degree of freedom of electronic product appearance structure design can be substantially enhanced.

The invention aims at providing a novel valve-controlled sealed maintenance-free lead-acid storage battery case which achieves the purposes that the volume and the weight of the original product are reduced, the weight-ratio energy and the volume-ratio energy are increased, the free maintenance of a battery is finally realized and the problems of pollution to the environment due to overflowing of electrolyte from the battery and the like are avoided. The novel valve-controlled sealed maintenance-free lead-acid storage battery case comprises a case body and a cover body and is characterized by comprising two parts, namely, the case body and the cover body, wherein the case body is internally provided with a case body bottom groove; and the two ends of the case body are respectively provided with a lifting through hole. The novel valve-controlled sealed maintenance-free lead-acid storage battery case provided by the invention has the beneficial effects that the novel valve-controlled sealed maintenance-free lead-acid storage battery case is 2*3-structure valve-controlled sealed lead-acid storage battery case for dry charge (or wet charge); for the battery, a front terminal can be provided with outwards-extending electrode device, so that the phenomenon that connecting lines are frequently disassembled to cause damage of the terminal can be effectively prevented; and the battery can be delivered in the form of dry charge, so that the transportation and the storage are convenient.

The invention provides an expansion joint waterproof structure for bridge engineering construction, relates to the technical field of bridge engineering, and solves the problems that auxiliary fixation with a bridge body and elastic looseness prevention of fixing bolts cannot be realized while expansion is met, and multiple waterproofing and contraction buffering cannot be realized through structural improvement. The expansion joint waterproof structure for bridge engineering construction comprises a bridge bodies; the number of the bridge bodies is two, the two bridge bodies are rotationally connected through a connecting plate, and a waterproof plate and a baffle are installed between the two bridge bodies. Grooves A are symmetrically punched in the waterproof plate, and the grooves A match clamping grooves. The grooves A are connected with the clamping grooves in a clamped mode, and the grooves A and the clamping grooves jointly form an auxiliary connecting structure and an auxiliary water blocking structure of the two bridge bodies and the waterproof plate.