57results about How to "Good energy gathering effect" patented technology

The invention discloses a nested tidal current generating set of an air guide sleeve paddle-changing horizontal shaft, and belongs to the field of ocean regenerative energy development. The generating set is composed of an outer air guide sleeve, an air guide sleeve support, an inner air guide sleeve, a main shaft, a main shaft bearing, a hub, a blade, a paddle-changing bearing, a paddle-changinggear, a paddle-changing rack, a paddle-changing motor, a storage battery, a generator, a gear box and seal; and the outer air guide sleeve and the inner air guide sleeve form the nested air guide sleeve, the roof of the blade realizes the blade paddle-changing through the paddle-changing motor. The nested tidal current generating set provided by the invention has the advantages that the blade neighbouring tide flow velocity is greatly improved through the nested air guide sleeve, a paddle-changing mechanism causes a horizontal shaft to be adapted to reversing current, the efficiency is obvious high, thereby having self-starting ability at different flow rates; a complete machine structure is concise, the electrical energy output is stable, thereby having cleanness and no pollution.

The invention discloses a retractable blade vertical-axis tidal turbine, which comprises a rotating shaft, a turntable, blades, retractable support arms, eight guide rails, guide rail wheels, baffle plates, a controller and a support part, wherein the guide rails are positioned in the turntable, and are divided into two layers, and each layer comprises four guide rails; the guide rails are uniformly welded on the rotating shaft at intervals of 90 degrees; the guide rail wheels are mounted on the inner surfaces of the guide rails; a retractable support arm is mounted in each guide rail; the support arms are retractably and movably connected with the guide rails through the guide rail wheels; the blades are mounted at the ends, far away from the turntable, of the support arms; the blades are rectangular, and are positioned on the same planes as the upper and lower layers of retractable support arms; the baffle plates are fixedly mounted at the ends, far away from the turntable, of the blades, and are in right-angled connection with the blades; the blades slide in the guide rails through the retractable support arms, and are controlled by the controller to retractably move. According to the retractable blade vertical-axis tidal turbine with such a retractable design, the energy yielding efficiency of the vertical-axis turbine is improved, the size of the whole device is reduced, convenience in transportation and considerable market prospect are achieved, and the submarine mounting cost is reduced.

The invention discloses an inner flame energy-concentrating riser pipe type gas burner, which comprises a big fire burner, a small fire burner, a mixing tube of the big fire burner, a positioning tube of the small fire burner, and a water collector. An inner ring of an annular shell of the big fire burner is an inverted frustum which forms an angle between 20 and 80 DEG with a horizontal plane, and 1 to 5 fire exhaust holes are formed on the inner ring. One end of the mixing tube of the big fire burner is connected with the annular shell and communicated with an inner cavity of the annular shell, while the other end is communicated with a big fire nozzle which is arranged on the lower part of the water collector. The small fire burner comprises a frustum cap shell and an inner cavity of the frustum cap shell, wherein 1 to 5 fire exhaust holes are formed on external side face of the frustum cap shell, and the inner cavity of the frustum cap shell is communicated with a small fire nozzle which is positioned on the lower part of the water collector by a mixing tube of the small fire burner. The inner flame energy-concentrating riser pipe type gas burner has the advantages of reasonable structure, high thermal efficiency, material conservation, convenient processing, excellent energy-saving effect, less exhaust emission and the like.

The invention relates to a diversion cover type elliptical orbit vertical-axis tidal current energy hydraulic turbine generator set, and belongs to the field of utilization of ocean energy. The generator set is characterized by comprising a diversion cover, a guide rail support, an elliptic guide rail, linear bearings, guide arms, straight blades, fixing bolts, a radial bearing, a rotating shaft, a wheel disc, a radial thrust combined bearing, a sealing ring, a supporting frame, an electric brake, a seal box, a gearbox, a generator, a storage battery, a controller, balls, a sliding block, blade bearings and a guide hole. According to the generator set, an energy gathering effect on tidal current energy is improved by the diversion cover, the length of the arm can be changed elliptically through the elliptic guide rail, and the elliptic guide rail can be conveniently arranged on the diversion cover. The generator set has a simple and reliable structure, and the length of the arm is changed in a non-circular mode, so that the capture efficiency of the tidal current energy is improved, and operation reliability and operation stability are improved.

The invention discloses a brightness transformation domain intra-frame prediction coding and decoding method and a system, and belongs to the field of video coding and decoding. According to the coding and decoding method, a high energy-accumulation performance of a transformation domain and relevance between a current coding block and an adjacent coded block are adopted for transformation domain intra-frame prediction of a transform domain information block; redundancy of intra-frame information is eliminated; the coding process can be rough divided into a prediction module, a transformation module, a quantification module, a reordering module, an entropy coding module, and the like; the used transformation method is a transform method of the transformation module of the subsequent coding process; a calculation load is not increased additionally; and as the transformation domain has the characteristic of high energy-accumulation performance compared with a space domain, the coding and decoding method and the system can improve the intra-frame prediction performance.

The invention discloses an integer transformation method for video coding. The method comprises the following steps of: based on the Discrete Cosine Transform (DCT) of the conventional time-frequency conversion algorithm, setting a threshold value for error control, solving a quantitative integer parameter so as to perform integer approximation on a transformation parameter of the DCT, solving an optimal approximation integer orthogonal transformation matrix, and performing time-frequency conversion on a video signal by using the integer transformation matrix. The integer transformation matrix, which is used for performing the time-frequency conversion on the signal, provided by the embodiment of the invention is simple and convenient to compute, has the energy aggregation close to DCT, and can effectively compress the signal.

The invention aims to provide a folded-shape external-mixing type atomization sprayer based on special-shaped hole airflow assistance. The sprayer is formed by assembling a plurality of detachable type parts designed in a split manner. The sprayer comprises a water pipe, a connecting and sealing piece of the water pipe, a spliced hole connecting assembly, a pneumatic connector and a spray nozzle. In use, airflow sprayed out of an atomizing hole acts on fog drop groups at a certain angle, the fog drop groups are further crushed to achieve secondary atomization, the average diameter of liquid is reduced, the liquid distribution uniformity is improved, and therefore the atomizing quality is improved. Airflow sprayed out of a folded-shape hole acts on the fog drop groups at a certain angle, the airflow will narrow the effective covering area of the atomized liquid drops to achieve shape folding, and the spraying and applying accuracy and the pesticide utilizing rate of the sprayer are improved.

The invention relates to a water turbine based on combined type multi-stage tidal current energy power generation. The water turbine comprises a flow guide cover and a rotating wheel composed of a bearing supporting frame, a rotating shaft and an impeller. The impeller comprises a plurality of pyriform line wing type blades, the rotating wheel is fixedly arranged at the 2/3 position of the middlesection of the flow guiding cover, and the two ends of the flow guiding cover are each in a horn shape, wherein an inlet of the flow guiding cover is slim, and an outlet of the flow guiding cover is thick. The middle section is in a leaner shape, and the top and the bottom of the flow guiding cover are both the horizontal plane. The pyriform line wing type blades take the rotating shaft as the center on a blade fixing plate and circumferentially distributed in space and welded and fixed to the bearing supporting frame, and X and Y represent the spatial coordinate values of a key point on the section wing type curve of one single pyriform line wing type blade correspondingly. The water turbine is simple in structure and high in efficiency, can be used for sea tidal current energy power generation and can also be used for power generation under the micro tidal current energy conditions such as mountains, plains, mountain springs, small reservoirs and streams.

The invention provides a method and a system for predicted encoding and decoding in a chrominance frame of a transform domain. The method is used for eliminating the redundancy degree of information in the frame by utilizing the high energy gathering property of the transform domain and the correlation of the current encoding block and the adjacent encoded block, wherein the encoding flow can be roughly divided into a prediction block, a transform block, a variant block, a rearranging block, an entropy encoding block and the like. The method has the advantages that the used transform method is the transform algorithm of the transform block of the subsequent encoding flow, so the additional increasing of calculation amount is not needed; in addition, compared with the space domain, the transform domain has higher energy gathering property, so the prediction property in the frame is improved.

The invention relates to an energy gathering device which is characterized by comprising a mounting table, mounting frames, rotating frames, reflectors, arc-shaped sliding rails, connecting rods, sliding parts, driving devices and pull ropes, wherein the mounting frames are arranged on the mounting table; the rotating shaft of each rotating frame is rotationally arranged on the corresponding mounting frame, and the rotating shaft of each reflector is rotationally arranged on the corresponding rotating frame; the arc-shaped sliding rails are arranged on the mounting table, the sliding parts arearranged in the arc-shaped sliding rails in a sliding mode, the connecting rods are respectively connected with the sliding parts and the reflectors, and the radians of the arc-shaped sliding rails are different so that the rotating directions of all reflectors are different; the pull ropes are fixedly connected with the sliding parts; and the pull ropes are wound on the corresponding driving devices, and the driving devices pull the pull ropes to move. The energy gathering device has the advantages that the energy gathering effect is good; the reflection angles of the reflectors can be adjusted and controlled according to different sun irradiation angles, and the shapes of the arc-shaped sliding rails are easy to determine, thereby realizing driving linkage of the reflectors; and batch production can be realized.

The invention relates to an energy-gathering joint-cutting pipe. The energy-gathering joint-cutting pipe comprises a pipe body, a first sleeve fixing hole, centering foam, energy-gathering joint-cuttings, air interval fixing holes, fixing screws, a second sleeve fixing hole, a sleeve and a detonator wire hole, wherein the energy-gathering joint-cuttings are located on the two radial sides of energy-gathering pipes and are symmetrical about the central axes of the energy-gathering pipes; the sleeve is a connecting piece used for connecting the two energy-gathering pipes and needs to be matched with the fixing screws for use; the sleeve fixing holes are located in the two ends of the pipe bodies of the energy-gathering pipes and the sleeve; and the centering foam is connected with the pipe bodies of the energy-gathering pipes in an adhesive mode, and the energy-gathering pipes are fixed to the central positions of blast holes. The steel energy-gathering pipes improve the constraint effect on explosives, so that the energy-gathering effect is more remarkable; and non-coupling explosive charging and radial interval explosive charging are adopted in the blast holes, the centering foam is used for guaranteeing that the circle centers of the energy-gathering pipes coincide with the circle centers of the blast holes, and the directions of the energy-gathering joint-cuttings are consistent with the pre-splitting direction, so that the unit consumption of the explosives is greatly reduced, blasting vibration is effectively controlled, and meanwhile, the construction cost is reduced.

The invention discloses an energy gathering ring and a stove burner. The energy gathering ring comprises an annular lower layer body, an annular upper layer body, and at least one middle layer body, wherein the lower layer body is provided with an annular cavity with an upward opening; the upper layer body and the lower layer body are coaxially arranged, and an opening of the annular cavity is covered with the upper layer body; and the at least one middle layer body is fixed in the annular cavity, and a plurality of annular air heat insulation layers which are distributed up and down are isolated between the lower layer body and the upper layer body. The middle layer bodies are arranged in the annular cavity, so that the air heat insulation layers can be formed between every two adjacent middle layer bodies, between the adjacent upper layer body and the middle layer body and between the adjacent middle layer body and the lower layer body, the air heat insulation layers can effectively reduce heat conduction between the layer bodies, the loss of heat from the upper layer body to the lower layer body is reduced, heat absorption of a cookware is enhanced, and the energy gathering effect of the energy gathering ring is better.

The invention discloses a whirlwind type multi-layer air inlet hood installed inside a biomass combustion furnace. The whirlwind type multi-layer air inlet hood comprises surface hoods and whirlwind blades, and is characterized in that the multi-layer air inlet hood consists of two or more surface hoods; a fire hole is formed in the center of the surface hoods; and the whirlwind blades are uniformly installed at an inner wall of the surface hoods. The whirlwind blades are linear-shaped or arc-shaped and are uniformly distributed with the fire hole in an oblique incidence manner; the whirlwind blades are installed in a certain angle with the inner walls of the surface hoods; and a plurality of surface hoods are overlapped so as to form a multi-layer air inlet. The whirlwind type multi-layer air inlet hood is simple in structure, scientific in air inlet mode and excellent in energy concentration effect, pyrolysis and combustion of tar and steam are prompted, the heat efficiency is improved, the energy consumption of the biomass energy is reduced, and the carbon discharge is reduced. The whirlwind type multi-layer air inlet hood is applicable to a biomass combustion stove.

The invention provides a pot rack, a gas stove and a processing method of the pot rack, relates to the technical field of gas stoves, and aims to alleviate the technical problem of serious heat lossescaused by poor energy gathering effects of a pot rack in the prior art. The pot rack comprises a body, a through hole for a combustor to penetrate through is formed in the middle of the body, the body comprises a top plate and a bottom plate, and a closed cavity is defined by the top plate and the bottom plate; and an open energy gathering cavity is formed in the outer surface of the top plate and is communicated with the through hole. The gas stove comprises the pot rack. The machining method of the pot rack comprises the following steps that center holes are machined in the top plate and the bottom plate; the top plate and the bottom plate are stretched through a die to form profile structural parts; and corresponding edges of the top plate and the bottom plate are welded to form the closed cavity, and the center holes of the top plate and the bottom plate are coaxial. According to the pot rack, the gas stove and the processing method of the pot rack, heat losses can be reduced.

The invention discloses an energy gathering disc assembly which comprises an upper-layer disc, a lower base assembly, a smoke collecting cover and at least three furnace lugs. At least one flue gas collecting hole is annularly formed in one end, far away from a combustor, of the upper-layer disc at intervals. A cavity structure is defined by the lower base assembly and the upper-layer disc, and the lower base assembly abuts against the combustor at the position corresponding to a second through hole in a clearance fit mode. The smoke collecting cover and the lower base assembly are detachably fixed in a height-adjustable mode, and the smoke collecting cover and the lower base assembly define a cavity structure for containing the upper-layer disc. At least three furnace lugs are annularly arranged on the upper-layer disc at equal intervals, penetrate through the upper-layer disc and are fixed with the upper-layer disc, and the furnace lugs are detachably fixed with the lower base assembly. The energy gathering disc assembly is simple in structure, the energy gathering effect is improved, heat resistance is increased, heat loss is reduced, and heat efficiency is improved.

The invention discloses a universal stove rack. By eliminating a ring-shaped support seat, support feet are used as matched support points of a gas cooker countertop, the stove rack can flexibly cooperate with an energy focusing disc, supporting surface mating blocks abut against the energy focusing disc, and cookware supporting feet are formed by the supporting surface mating blocks. By means ofthe universal stove rack, telescopic adjustment rods telescopically adjust the overall length of the universal stove rack, so that adaptability to placement of the energy focusing disc of the gas cooker countertop is achieved. By means of bulbs, the directions of the supporting surface mating blocks can be adjusted universally, so that the matching stability of the universal stove rack, the energyfocusing disc as well as a pot body is improved, and the combustion efficiency of a burner and the energy gathering effect of the energy focusing disc are improved.

The invention discloses a blast hole inner multi-point energy-gathered micro perforation type blasting method and an installation structure thereof. The method includes the steps that firstly, explosive column plasticity is utilized, 1-6 energy-gathered covers with pointed-cone-shaped tops and bottom pressing edges are inserted into an explosive column from the side face of the explosive column through the pointed-cone-shaped structures on the tops till the bottom pressing edges of the energy-gathered covers face outwards and are attached to the surface of the explosive column, then the energy-gathered covers are fixed to the explosive column, manufacturing of an energy-gathered blasting cartridge is completed, and it is ensured that all the energy-gathered covers are arranged on the sameside of the explosive column; secondly, multiple energy-gathered blasting cartridges manufactured according to the first step are input into a blast hole, during inputting, it is ensured that the energy-gathered hole directions of the energy-gathered covers on the energy-gathered blasting cartridges face the free face in the radial direction, and the energy-gathered blasting cartridges are in clearance fit with the blast hole; and thirdly, blasting is conducted according to the blasting networking step of conventional deep hole blasting. By means of the blast hole inner multi-point energy-gathered micro perforation type blasting method and the installation structure thereof, the drilling number and the explosive unit consumption are reduced, the blasting efficiency is improved, and the drilling and blasting cost is obviously saved.