73results about How to "Flexible width adjustment" patented technology

The invention discloses a device and method for collecting multi-channel sound through a microphone array. The method for collecting the multi-channel sound through the microphone array comprises the steps that M input signals are collected and echo suppression processing is conducted on the M input signals; delay adjusting is conducted on the M input signals through nth-route delay adjusting modules so as to form M nth-route output signals; wave beam forming is conducted on the M nth-route output signals through nth-route self-adaptive wave beam forming modules so as to obtain nth-route signals; the nth-route signals are processed through nth-route processing modules to obtain nth-route channel signals. Through the mode, the device and method can be used for multi-channel sound collection in non-professional environment such as domestic entertainment equipment, and the acoustic image width and the picking-up distance can be flexibly adjusted.

The invention relates to an electric dipole source three-dimensional time domain finite difference direct interpretation imaging method. The method includes the steps of loading Gaussian pulses on an electric dipole source, establishing Maxwell equations and constitutive equations for the ocean air space, the seawater space and the seabed ground space, conducting uniform mesh generation on prism object models of the three spaces, obtaining difference equations of seawater and the seabed ground through a time domain finite difference method according to meshes obtained through mesh generation by consuming that the conductivities and the magnetic conductivities of all the meshes obtained through mesh generation are unchanged, processing the Maxwell equations of ocean air through analysis solutions, calculating the electromagnetic field of the air above the sea surface, processing the boundary conditions of the generation space, setting stabilization conditions, solving the established difference equations through the combination with the processing results of the boundary conditions and the set stability conditions, and obtaining the distribution of the electromagnetic field of the seawater and the seabed ground at any moment.

The invention provides a light bar structure, a light source module and a lamp. The light bar structure comprises a substrate, an electrical unit and a plurality of light emitting diodes; the substrate comprises a first face, the electrical unit comprises a light source setting part, at least one flexible connecting piece and at least one electrical connecting terminal. The light source setting part is connected with the first face of the substrate, and one end of each flexible connecting piece is connected with the light source setting part. Each electrical connecting terminal is correspondingly connected to the other end of one flexible connecting piece, the electrical connecting terminals are arranged on positions which are far from the first face of the substrate, and the light emitting diodes are arranged on the light source setting part. In the light bar structure provided by the invention, by changing the positions of the electrical connecting terminals, the width or the thickness of the light bar structure can be flexibly adjusted, and therefore demands of narrow-edge backlight module can be better satisfied.

The invention relates to an adjustable cargo conveying mechanism and an application method thereof, and the conveying mechanism comprises a long-strip shaped installation plate. The installation plate is uniformly provided with a plurality of vertical T-shaped clamping mouths at intervals in the length direction. An inner side surface of the installation plate is movably provided with a plurality of motor boxes in a clamping manner in the length direction, and an outer side surface is connected with a shipment cabin. The shipment cabin is correspondingly provided with a plurality of shipment channels, extending in the shipment direction, in the length direction of the installation plate. The shipment channels and the motor boxes are set to be corresponding to each other in a one-to-one manner. The interior of each motor box is provided with a motor and a speed reduction gear unit connected with the output shaft of the motor. The output end of each speed reduction gear unit is connected with a disc, and the interior of each shipment channel is provided with a spiral push rod. One end of each push rod is fixedly disposed on the disc in a winding manner, and the other end of each push rod extends in the shipment direction. The beneficial effects of the invention lie in that the conveying mechanism can achieve the flexible adjustment of the motor boxes, and can adjust the width of the shipment channels through the cooperative clamping of a separation plate and the installation plate.

The invention aims at providing a fork moving structure of a forklift. The fork moving structure of the forklift comprises a fork mounting rack arranged on the forklift and a fork, and the fork is arranged on the fork mounting rack. The fork moving structure of the forklift is characterized in that arc-shaped grooves are formed on the upper transverse beam of the fork mounting rack at intervals, threaded holes are formed inside the grooves, the top ends of the fork is provided with mounting plates with a radian identical with that of the grooves, the mounting plates are provided with through holes, the mounting plates are arranged on the grooves and are fastened through screws. Due to the fact that the grooves are formed on the fork mounting rack at intervals and the mounting plates with the same radian as the grooves are arranged on the fork mounting rack, the width of the fork can be adjusted flexibly and the practicability of the forklift can be improved, and accordingly the forklift can be applicable to different working environments; the fork moving structure of the forklift is simple in structure and highly practical.

The invention relates to a high-precision high-stability hysteresis comparator. 100 refers to an amplifier circuit, Vin refers to the input end of an amplifier, and an output signal of the amplifier is output to a threshold generating circuit 200 through 101 so as to control the threshold generating circuit. Vth+ and Vth- are threshold input ends, and the threshold generating circuit 200 generates threshold voltage according to selection and transmits the threshold voltage to the amplifier 100 for comparison. The amplifier adopts a rail-to-rail structure, and can realize comparison in a full range from volt current condenser (VCC) to ground (GND); and the threshold generating circuit consists of an alternative transmission gate, and threshold level is input externally. The comparator has high power supply stability and is insusceptible to external temperature change.

The invention discloses a drip irrigation belt shallow-buried device with an automatic locking function. The drip irrigation belt shallow-buried device with the automatic locking function comprises adrip irrigation belt conveying mechanism, and a hydraulic braking mechanism. A drip irrigation belt rolling plate in the drip irrigation belt conveying mechanism is rotatably installed on a support base and winded by a drip irrigation belt. The drip irrigation belt rolling plate is provided with the hydraulic braking mechanism. Along a conveying route of the drip irrigation belt, a wheel frame below the support base is successively provided with a guide sleeve corresponding to the drip irrigation belt rolling plate, a fixed pulley corresponding to the guide sleeve and a moveable pulley which is positioned above the inner side of the fixed pulley and can be upwards and downwards moved, and a drip irrigation belt press wheel which is positioned below the moveable pulley and installed at therear side of a furrow opener. The drip irrigation belt shallow-buried device is capable of stopping the rotated conveying of the drip irrigation belt rolling plate in time in an emergency shutdown process, and effectively preventing the winding and congestion of the drip irrigation belt; realizing single independent profiling depth limit, flexibly adjusting the burying depth and the laying width of the drip irrigation belt, and guaranteeing the consistent laying depth of the drip irrigation belt; and simultaneously laying the multiple drip irrigation belts, high in working efficiency, and goodin laying effect.

The present invention discloses a trestle type spraying machine which is driven to walk by power. Based on different working environment, the trestle type spraying machine can be classed into two types which are respectively used in paddy field and dry land. The one used in paddy field comprises a supporting frame, wherein, a pesticide spraying component transversely arranged is fixed on the supporting frame, a lifting guard transversely arranged is installed at the front lower part of the pesticide spraying component and on the supporting frame, a ship shaped glider is arranged at the lower part of the supporting frame, walking power is supplied by the ship shaped glider, and a hand lever is arranged on the supporting frame. Because of application of the lifting guard, during the pesticide spraying process of the trestle type spraying machine in accordance with the present invention, crops are firstly pushed to expose positions which are marked with drones where pests dwell at middle parts and lower part of crops, then the pesticide spraying component sprays pesticide liquid to the upper parts, middle parts and lower parts of crops in uniform and standard manner, thereby radically resolving the problem that the pesticide spraying equipment in existence can not spray pesticide liquid in uniform, correct and standard manner. In addition, mechanization working can be realized by utilization of power for driving, and utilization of the pesticide spraying component with a certain width is capable of improving working efficiency in vast scale.

The present invention relates to an automatic reset module in an integrated circuit. The automatic reset module comprises a multiple-valued low-voltage reset detection module and a power-on reset module; the multiple-valued low-voltage reset detection module and the power-on reset module adopt the same external power supply for supply power, and one of the multiple-valued low-voltage reset detection module and the power-on reset module is selected to perform reset operation of the integrated circuit; the multiple-valued low-voltage reset detection module LVR and the power-on reset module POR are cooperatively used, when the VDD voltage value is rapidly increased, the power-on reset module POR allows the circuit to start work form a reset state; and when the VVD voltage value is slowly increased, the multiple-valued low-voltage reset detection module LVR allows the circuit to start work form a reset state. Through cooperation of two rest modules, the operation reliability of the whole integrated circuit is greatly improved.

The invention relates to a special-shaped multi-dimensional phase change radiator, and belongs to the technical field of radiators. The special-shaped multi-dimensional phase change radiator comprisesa base plate and fins, wherein at least two groups of fins are vertically fixed on the base plate, straight grooves are formed between the adjacent groups of fins, and the fins are not arranged at the grooves; an included angle is formed between each fin and each groove, and the included angle is an acute angle; and a first cavity is formed in the base plate, a second cavity is formed in each fin, the first cavity communicates with the second cavities, and a phase change working medium is stored in the first cavity and the second cavities. According to the special-shaped multi-dimensional phase change radiator, the problems that an existing natural convection radiator is very non-uniform in heat distribution in a natural convection application, the high-temperature area is mainly concentrated in the upper and middle part of the base plate, the heat exchange efficiency of the fins is not high, and the temperature difference is large are solved.

The invention discloses a gripper structure of an automatic loading-unloading robot for part processing. The gripper structure can solve problems that clamping is not firm and parts can fall off easily due to irregular shapes of the parts when an existing robot gripper structure is used to grip the parts with the irregular shapes for loading and unloading during use of the existing robot gripper structure because the parts of different types have different sizes and shapes, the parts have diversified types, and a lot of the parts have the irregular shapes; and a part of gripper arms can get broken and damaged during gripping due to partial protrusion of the parts with the irregular shapes can be solved. The gripper structure comprises a top frame and a top base firmly installed on the topof the top frame, wherein four big grippers are installed on the bottom of the top frame; a power source is firmly installed on the top of the top base; a PLC is firmly installed on the top of the power source; lateral slide grooves are formed in inner walls of two sides of the top frame; and a bottom slide groove is formed in the outer wall of the bottom of the top frame.

The invention relates to a small parcel rapid unloading machine for logistics and belongs to the technical field of logistics machinery. The machine comprises a lifting conveyor, the lower end of the lifting conveyor is rotationally connected with a moving base, a goods receiving trolley is arranged on the portion, close to the lower end of the lifting conveyor, of one side of the moving base, and the upper end of the lifting conveyor is movably connected with a horizontal conveyor. The portion, away from the lifting conveyor, of one end of the horizontal conveyor is provided with an adjustable conveying shovel, and the portion, close to one end of the adjustable conveying shovel, of the top of the horizontal conveyor is provided with a raking and sucking manipulator. According to the machine, through the cooperation of the adjustable conveying shovel and the raking and sucking manipulator, active in-batch receiving of small parcels in a carriage can be achieved, the unloading process of the small parcels is more automatic, manual burden is greatly reduced, and the goods are automatically transferred out of a vehicle through the cooperation of the horizontal conveyor and the lifting conveyor, and finally, are stacked to the goods receiving trolley. Automatic unloading and stacking are achieved, and more convenience and high efficiency are achieved.

The invention discloses a camouflage clip which comprises a first clip body and a second clip body, wherein the first clip body and the second clip body are mutually hinged and are respectively semicircular; the ends of the two clip bodies are hinged by a hinge shaft; the other ends of the two clip bodies are mutually occluded; a torsion spring sleeves the hinge shaft; two ends of the torsion spring are respectively abutted against the two clip bodies for applying clipping forces by which the two clip bodies are occluded; an adjusting slot hole is formed in the hinge end of the first clip body; the hinge shaft and the hinge end of the second clip body can move towards the stretching directions of the clip bodies along the adjusting slot hole; one group of inserting pipes for inserting camouflage objects are uniformly distributed on each of the outer walls of the two clip bodies; mushroom-shaped suspending sheets are respectively and symmetrically arranged at the occluding ends of the two clip bodies; the camouflage objects are inserted and bound by the inserting pipes and the suspending sheets; the adjusting slot hole is formed in the hinge end of one clip body by using the working principle of slip-joint pliers, so the width of a clip mouth is flexibly adjusted, and further the camouflage clip can be clamped on equipment which have multiple sizes and require camouflage; the camouflage clip is convenient for use and is flexible and quick for disassembly and assembly; the camouflage effectiveness is greatly improved.

The invention provides a cigarette filter stick packaging paper tape center line glue coating device and a method. The device comprises a glue supply mechanism, a packaging paper tape supply mechanism and a gluing mechanism, and is characterized in that the gluing mechanism comprises a first mold, a second mold and a power mechanism for driving the first mold and the second mold to synchronously swing, wherein the the working surface of the first mold is a horizontal plane, and a glue inlet groove with a glue inlet, a glue storage groove and glue outlet grooves with glue outlets are formed in the working surface; the working surface of the second mold is a horizontal plane; the first mold and the second mold are tightly connected into a whole through the opposite working surfaces, and the glue inlet groove with the glue inlet, the glue storage groove and the glue outlet grooves with the glue outlets in the first mold form glue supply channels which communicate with one another; and the first mold and the second mold which are tightly connected into a whole are connected with a power machine through a mounting mechanism, and the power machine drives the first mold and the second mold which are tightly connected into a whole to synchronously swing at a set angle. The gluing thickness is uniform, pollution to equipment is avoided, the packaging paper tape is unobstructed, and the gluing mechanism is kept clean and moist.

The invention provides a first-in first-out rod-shaped object storage device with variable volume. The device comprises a cabinet with an inlet and an outlet. A plurality of layers of conveying channels are arranged on the cabinet body; every two layers of conveying channels are composed of two symmetrical conveying belts, the head ends as well as the tail ends of the two conveying belts are arranged side by side, one head end of one conveying belt and the tail end of the other conveying belt are connected with blanking baffles which move oppositely and are provided with grooves in the inner sides, and the grooves in the inner sides of the blanking baffles which move oppositely are opposite are staggered up and down. The width of the material storage channel can be increased, the storage amount can be increased; the width of the material storage channel can be reduced, the storage amount can be reduced. Materials can only be sequentially stored from top to bottom after entering, a first-in first-out storage mode is achieved. Moreover, the structure is simple, width adjustment is flexible, performances are stable and reliable, and the occupied space is small while the storage amountis increased.

The invention discloses a gripper structure of an automatic loading-unloading robot for part processing. The gripper structure can solve problems that clamping is not firm and parts can fall off easily due to irregular shapes of the parts when an existing robot gripper structure is used to grip the parts with the irregular shapes for loading and unloading during use of the existing robot gripper structure because the parts of different types have different sizes and shapes, the parts have diversified types, and a lot of the parts have the irregular shapes; and a part of gripper arms can get broken and damaged during gripping due to partial protrusion of the parts with the irregular shapes can be solved. The gripper structure comprises a top frame and a top base firmly installed on the topof the top frame, wherein four big grippers are installed on the bottom of the top frame; a power source is firmly installed on the top of the top base; a PLC is firmly installed on the top of the power source; lateral slide grooves are formed in inner walls of two sides of the top frame; and a bottom slide groove is formed in the outer wall of the bottom of the top frame.

The invention discloses a badminton aided training device for sports. The device comprises two mounting cylinders, the two mounting cylinders are vertically arranged, winding shafts are arranged in the two mounting cylinders, a ball net is arranged between the two mounting cylinders, strip-shaped grooves are formed in the opposite side walls of the two mounting cylinders, the two ends of the ball net penetrate through the strip-shaped grooves and are wound around the two winding shafts respectively, limiting pieces for fixing the winding shafts are arranged on the side walls of the mounting cylinders, lifting rods are fixedly connected to the lower ends of the two mounting cylinders, the lower ends of the lifting rods are slidably sleeved with vertical cylinders, fixing mechanisms used for fixing the lifting rods are arranged on the side walls, close to the upper ends, of the vertical cylinders; and the lower ends of the vertical cylinders are fixedly connected with bases. The training device can effectively train ball serving; the height and width of the device can be flexibly adjusted according to actual training requirements, so that a better training effect is obtained; and meanwhile, the device is convenient to transfer and stable to place.

The invention discloses an adjustable floor connection buckle, comprising a mortise pressing board, a rabbet pressing board, and a fixed bottom board. A mortise and a trapezoid pressing head are respectively arranged at the two vertical sides of the mortise pressing board; the rabbet pressing board is arranged between the mortise pressing board and the fixed bottom board; a board pressing tongue is arranged at one vertical side of the rabbet pressing board, and an inverse T-shaped head is arranged at the other side of the rabbet pressing board; an edge step nested with one vertical side bottom part of the mortise pressing board is arranged at the other vertical side of the fixed bottom board; the fixed bottom board and the mortise pressing board are integrally connected with the rabbet pressing board through a plurality of connection screws; and the connected mortise pressing board is as thick as a floor to be spliced. According to the adjustable floor connection buckle provided by the invention, the rabbet pressing board is pushed, so that the width of the adjustable floor connection buckle provided by the invention can be flexibly adjusted; and furthermore, a certain stretching space is reserved for a floor, so that a stretching space is reserved for the floor deformed after moisture absorption and expansion. Therefore, the floor is prevented from being arced or a joint is prevented from being widened.

The invention discloses an optical light splitting device and a light splitting photovoltaic system. The optical light splitting device comprises an optical substrate and a plurality of optical thin films; the optical thin films form light splitting areas with different light splitting properties respectively; and the light splitting area formed by each optical thin film transmits incident light of one of a short wave band, a medium wave band and a long wave band. The combination of light rays of different wave bands is achieved through the plurality of optical thin films and the optical substrate, and the requirement for flexibly adjusting a light transmission ratio is met, so that photovoltaic cells with different PN junctions arranged in mapping areas can obtain solar spectral bands matched with the photovoltaic cells and a proper amount of solar radiation energy, the currents output by the PN junctions on the photovoltaic cells are uniformly output, and the photoelectric conversionefficiency of the solar cells is further improved; and especially for the multi-junction photovoltaic cells, the light splitting photovoltaic system can greatly improve the photoelectric conversion efficiency of the multi-junction photovoltaic cells.

The invention provides a size-adjustable platform-door threshold cover plate which is mounted between a platform and a train door. The platform-door threshold cover plate structurally comprises a basic block I, a basic block II and a plurality of threshold cover plate widening bars. The section of the connector is basic block I is concave, the section of the connector of the basic block II is convex, the threshold cover plate widening bars are clamped between the two sections to splice the platform-door threshold cover plate, and the 10005mm standard value of the gap limit requirement of the train door and the edge of the platform is satisfied. The size-adjustable platform-door threshold cover plate has the advantages that the problem that that the gap between the train door and the edge of the platform is large due to construction errors is properly solved, the problem that the gap between the train door and the edge of the platform is larger than a safety standard is solved thoroughly, and safety of passengers getting on and off a train is guaranteed; the problem that the gap between the train door and the edge of the threshold cover plate is excessively large is solved, and danger caused by the fact that the feet of passengers step into the gap during operation is avoided.

The invention discloses a commercial vehicle frame assembly. The assembly comprises left and right longitudinal beams, the left and right longitudinal beams have U-shaped sections, openings are formedinwards, the left and right longitudinal beams are connected and integrated by a plurality of cross beams, left and right outer flanging beams extending to the front ends of the left and right longitudinal beams are fixed on the outer sides of the front end belly surfaces of the left and right longitudinal beams, and the two ends of a first cross beam assembly are respectively installed at the lower portions of the front ends of the left and right outer flanging beams; the cross sections of the left and right outer flanging beams are of U-shaped structures, openings are outwards formed, the left and right outer flanging beams are fixedly connected to the outer sides of the belly surfaces of the left and right longitudinal beams back to back, a cavity between the outer sides of the belly surfaces of the left and right outer flanging beams forms a heat dissipation device compartment, and the first cross beam assembly is connected to the lower aerofoil and the outer sides of the belly surfaces of the left and right outer flanging beams by mounting brackets at both ends. The assembly increases the design space of a heat dissipation device in the Y direction by widening the width of the vehicle frame heat dissipation device compartment without greatly increasing the cost so that the vehicle frame can be matched with an engine with more horsepower of a vehicle type of the same class.

The invention discloses a method for realizing ultra-fine package lead based on photolithography and electroplating. The method comprises a step of coating a surface of a substrate with the fixation of a chip and metal pads with a layer of dry film photoresist, a step of carrying out photolithography and development and showing through holes in a dry film on the chip and the metal pads, a step ofpreparing a seed layer on a formed surface, a step of coating the surface of the seed layer with a layer of dry film photoresist, a step of carrying out photolithography and development again such that the through holes on the metal pads and the seed layer under a lead between the through holes are exposed, a step of plating the surface of the exposed seed layer with a layer of copper and forminga lead between the metal pads, and a step of removing the dry film photoresist and the seed layer as sacrificial layers and finally forming a floating lead interconnect structure. According to the method, wire bonding is replaced by the photolithography and electroplating process, the connection between the chip and the substrate pads is achieved, the size of the lead is not restricted by a traditional wire bonding process, and so the feature size of the lead can be further reduced to the precision of photolithography.

The invention relates to a power semiconductor chip and a formation method thereof. The power semiconductor chip comprises an annular junction terminal region and a cell region, wherein the annular junction terminal region is arranged at an edge of the power semiconductor chip, the cell region is encircled by the annular junction terminal region, a cell array is formed in the cell region, a cell is a power transistor, the cell region comprises more than two sub-regions, one of the sub-regions is a cell sub-region and is arranged in the center of the cell region, the other sub-regions are in annular shapes and are sequentially arranged around the central sub-region, the length of the cell channel in the same sub-region is same, and the length of the cell channel in the central sub-region issmaller than the length of the cell channel in the other sub-regions. The power semiconductor chip is uniform in heat distribution and high in reliability during the working process.

The invention discloses a diffraction experiment device and an experiment method thereof, and belongs to the field of experiment instruments. The diffraction experiment device comprises a fixed trackand a movable track which are connected in a telescopic fit mode, and a light source assembly, a baffle assembly and an optical screen assembly which are in sliding fit with the tracks are sequentially arranged on the fixed track and the movable track. The baffle assembly comprises a second bottom plate, first baffles are arranged on the two sides of the second bottom plate in a sliding fit mode,a top plate is connected to the tops of the first baffles on the two sides, and the width of the gap between the first baffles on the two sides is adjustable. According to the diffraction experiment device and the experiment method thereof, the defects that in the prior art, diffraction experiment instruments are inconvenient to use and single in experiment condition are overcome, the defect thatthe experiment distance and the experiment condition are lost can be overcome when the experiment device is used for an experiment, and the experiment process is convenient to use.