62results about How to "No need to increase the size" patented technology

The invention relates to a PACT (powdered activated carbon treatment) process and an PACT process device. The activated carbon-microbial zoogloea culture method comprises the following steps: selecting activated sludge, and culturing until the activated sludge is mature; and adding powdered activated carbon to ensure that the powdered activated carbon serving as a core is wrapped by microorganisms to form activated carbon-microbial zoogloea floccules, and acclimating, thus increasing the specific gravity of the powdered activated carbon and enhancing the precipitability. In the PACT process device, a sludge return tank is added, and the powdered activated carbon is added into the sludge return tank, so that the powdered activated carbon and the microorganisms can form activated carbon-microbial zoogloeae in the sludge return tank, thereby prolonging the retention time of the powdered activated carbon in a water treatment system; and sludge in the sludge return tank is lifted into a sewage inlet at the front end of an aerobic tank through a lifting pump, so that the sludge and sewage can be better mixed, thereby prolonging the retention time of the powdered activated carbon in the aerobic tank and enhancing the treatment effect. On the basis of prolonging the water retention time of the aerobic tank, the invention does not need to increase the volume of the original aerobic tank, and is small in occupied area and easy to implement.

The invention relates to a coal distributing system which comprises a plurality of raw coal barrel bins, coal feeders, a barrel bin lower belt scale, a coal distribution conveying belt and a coal distributing control device, wherein the raw coal barrel bins are used for respectively storing different kinds of raw coal; and the coal feeders are arranged at the lower parts of all raw coal barrel bins along the axis directions of the raw coal barrel bins; each coal feeder is provided with a shell, a circular coal outlet, a coal distributor and a scraper; the shell is in an inverted cone platform shape, the upper part of the shell is opened, and the lower part is provided with a flat plate-shaped base plate; the circular coal outlet is arranged at the central part of the base plate; the coal distributor is conic and is arranged at the upper side of the coal feeder and arranged on a rod-shaped bracket which is fixedly installed on the shell so that the raw coal falling from the raw coal barrel bins uniformly slide to be near to the coal outlet along the conic surface; the scraper is in a curve shape extending along the flat-plate-shaped base plate and is arranged on a rotatable fixed bracket extending out from the coal outlet; and when the scraper rotates, the scraper is used for scraping the raw coal in the coal feeders into the coal outlet. According to the structure, the coal distributing system can realize precise coal distribution and has compact structure.

The invention discloses a high-gain dual-frequency circularly polarized antenna based on a metasurface. The working frequency bands are a K wave band and a Ka wave band. A metal layer of the antenna comprises a micro-strip ring feeder line, a grounding plane with a cross slot and a metasurface. The micro-strip ring feeder line at the lowest position is coupled with the slotted grounding plane at the middle position. The electromagnetic wave energy is coupled to the metasurface of the uppermost layer and is radiated out. The sequential rotation structure of the micro-strip ring feeder line cangenerate a phase difference of 90 degrees so as to excite circular polarization. According to the feed structure, a wide axial ratio bandwidth can be realized; the metasurface can influence the axialratio bandwidth and gain of high and low frequency bands; the gain of the antenna in two frequency bands is greater than 5dBic; and the single-port feed dual-frequency circularly polarized antenna hasgood radiation characteristics in two frequency band bands, and is compact in structure and easy to process, so that antenna has a good application prospect in a wireless communication system.

The invention discloses a gas circuit breaker with a reinforced insulation recovery function. An expansion chamber, a compressed gas chamber, a main nozzle, an auxiliary nozzle, a moving side arc contact and a static side arc contact constitute an arc breaking core component. An arc extinguishing chamber is composed of an inner mixing area and an outer mixing area. Drainage holes of guide cylinders draw insulating gas in the outer mixing area of the arc extinguishing chamber into the inner mixing area of the arc extinguishing chamber, and the insulating gas and arc high-temperature gas are mixed at a first level and cooled in an area closest to a fracture. Drainage holes of a support base draw insulating gas outside the arc extinguishing chamber into the outer mixing area of the arc extinguishing chamber, and the insulating gas and arc gas are mixed at a second level and cooled. Spoilers at exhaust ports reduce the local velocity of high-temperature mixed gas exhausted. A pressure balance hole is arranged in a main contact shielding cover, which reduces the pressure difference between the two sides of the shielding cover. A pressure balance hole is arranged in an insulating cylinder, which reduces the fluctuation of gas pressure inside the insulating cylinder.

The invention provides a vertical take-off and landing fixed-wing unmanned aerial vehicle including a fuselage; wings are arranged at two sides of the fuselage; the fuselage is internally equipped with a foldable fuselage rotor wing; two sides of the fuselage rotor wing are equipped with fuselage slide plates; the wings are internally provided with a plurality of foldable wing rotor wings, and the top of each wing rotor wing is equipped with an openable-closable wing slide plate device. By adopting the structure, the unmanned aerial vehicle has the following beneficial effects that with adopting of forward driving and combination of the fuselage rotor wing and the wing rotor wings, switching between the vertical take-off and landing and fixed wing flight is convenient to realize. The unmanned aerial vehicle having the structure conveniently hovers at any time during task implementing, so that a camera can conveniently perform fixed-point observation, and at the same time, runways and ejection equipment are not required during take-off and landing. With the combination of the fuselage rotor wing and the wing rotor wings, the balance of the whole fuselage is convenient to control. With the use of the hidden type fuselage rotor wing and the hidden type wing rotor wings, no interference exists between the vertical take-off and landing mode and the fixed wing flight mode, and the size of the wings is not required to be increased. The lifting efficiency of air stream is high.

The invention relates to the technical field of radar. The invention discloses laser radar. The laser radar comprises a laser and a receiving system, the laser is used for emitting a laser to a target to be detected, the receiving system is used for receiving a laser reflected by the target to be detected, the receiving system at least comprises a first receiving system and a second receiving system, the first receiving system and the laser are arranged at intervals, the second receiving system is arranged between the first receiving system and the laser, the first receiving system is used for receiving the laser reflected by the target to be detected in a range from a first near point to a first far point, the second receiving system is used for receiving a laser reflected by the target to be detected in a range from a second near point to a second far point, and the distance from the second near point to the laser is less than the distance from the first near point to the laser, is smaller than or equal to the distance from the second far point to the laser and is smaller than the distance from the first far point to the laser. The laser radar has an ultra-small blind area or even has no blind area and can meet the miniaturization requirement.

The invention discloses a hub motor stator water cooling structure for an electric motor vehicle. On the basis of maintaining the original structure of a motor, a cooling water path structure is arranged on the motor stator to achieve cooling and heat dissipation of the motor. The water cooling structure comprises a cooling liquid inlet channel, an outlet channel, a water inlet loop and a water outlet loop which are arranged at a motor stator shaft, and a cold water channel, a hot water channel, a cooling water channel, an arc groove and an arc groove cover which are arranged at a motor statoryoke. The cooling liquid flows in from the inlet channel, is split by the inlet channel to flow through the cold water channel, the cooling water channel and the hot water channel in order to converge through the water outlet loop, and finally flows out from the outlet channel. The water cooling structure has multiple groups of uniformly distributed cooling cycle branches, is provided with a thermostat valve to regulate the flow of each cooling liquid cycle branch to make cooling more uniform so as to avoid the temperature gradient of the motor, make the cooling effect better, reduce the volume of the motor and meet the demands of lightweight of the vehicle.

The invention provides a fuel treating system and natural gas well-washing and wax-cleaning equipment. The fuel treating system disclosed by the invention comprises a fuel pipeline; the fuel pipeline comprises a gasification heat exchange pipeline and a decompression treatment pipeline which are sequentially communicated with each other along the flowing direction of fuel; the tail end of the decompression treatment pipeline is used for being connected with a combustion device and the initial end of the gasification heat exchange pipeline is used for being connected with an external fuel storage device; the gasification heat exchange pipeline is serially connected with a safety valve, an emergency cut-off valve, a gasifier and a heat exchanger; the heat exchanger is provided with a hot fluid inlet and a hot fluid outlet; the hot fluid inlet is used for being connecting with a hot water device and the hot fluid outlet is used for being connected with a water inlet pipeline of a water pump; and the decompression treatment pipeline is provided with a primary decompression valve. According to the invention, by arranging gasification heat exchange and primary decompression, liquefied natural gas with a pressure value and a temperature value which meet combustion requirements can be guaranteed to be output. The natural gas well-washing and wax-cleaning equipment using the fuel treating system disclosed by the invention uses the liquefied natural gas, reduces the quality and the volume of a whole vehicle and can effectively save the working cost.

The invention discloses a thermal resistance analysis method. The method comprises the following steps: synchronously monitoring the heat source temperature and reference point temperature of a high-power device, and introducing a quasi-thermal balance state judgment method with stable heat source and reference point temperature difference, so that accurate analysis of the thermal resistance information in a customized area of the high-power device can be realized, the reference point position can be accurately customized, and the resolution rate of the thermal resistance structure is effectively improved. The thermal resistance analysis method can be widely applied to accurate measurement of thermal characteristic tests of various high-power devices and has the characteristics of high efficiency, rapidness, wide application range and the like.

The invention provides a turning motion structure and a multi-layer food baking tunnel furnace. The turning motion structure comprises frames, guide rails, chains, support frames and chain wheels, wherein the guide rails are fixedly arranged on the frames and comprise horizontal guide rails and vertical guide rails; each chain wheel is rotatably connected with a rotating shaft fixedly arranged ona frame; a plurality of the chain wheels are arranged along the horizontal direction and the vertical direction of the frames correspondingly; the chains are in transmission connection with the chainwheels and are driven to move by rotation of the chain wheels; each support frame comprises a cross beam and supporting plates arranged at two ends of a cross beam; transmission rollers and guide rollers are arranged on supporting plates; the transmission rollers are fixedly connected with the chains; and the guide rollers can be propped against the guide rails. The turning motion structure provided by the invention has the following advantages: through transmission of the chain wheels and the chains, the support frames can be driven to move along a vertical or horizontal direction; through the guiding rollers, the support frames can move stably on the guide rails; thus, baking trays are prevented from tipping over; multi-layer baking of food in a vertical direction is realized; and the baking efficiency of a tunnel furnace is improved.

A ripple modulation compensation method for input voltage of a single-phase inverter includes: inverter output voltage and full-bridge inverter circuit input voltage are collected while modulating pulse is output; SPWM (sinusoidal pulse width modulation) pulse signals are obtained by processing the inverter output voltage; ripple parameters are extracted from the full-bridge inverter circuit input voltage; according to pulse widths of the ripple parameter compensation SPWM signals, output voltage harmonic caused by ripples can be eliminated from compensated modulation. The method has the advantages that a modulation strategy is compensated only in software, so that hardware cost is saved; input voltage ripple parameters are compensated directly, so that ripple influence can be inhibited effectively and output quality of an inverter system is improved.

The invention discloses a heat pump circulating system with a combined defrosting function and an operation method. The heat pump circulating system comprises a compressor, a four-way valve, an indoorheat exchanger and a flash evaporator, wherein an air supplementing pipeline is arranged between the flash evaporator and a compression cavity. A first electromagnetic valve (11) is arranged on a pipeline between the four-way valve (2) and the indoor heat exchanger (7), a branch is led out from the air supplementing pipeline (9), a second electromagnetic valve (13) is arranged on the branch, andthe other end of the branch is converged with an air inlet pipeline of the compressor. A bypass (14) communicating with the flash evaporator (5) is led out from an exhaust pipeline of the compressor,and a third expansion valve (15) is arranged on the bypass. A composite defrosting method combining reverse defrosting and hot air bypass defrosting is adopted, existing equipment of the system is directly used, the size of a vapor-liquid separator does not need to be increased, the defrosting process is accelerated, and the defrosting time is shortened.

A three-way core-pulling mechanism of an injection mold comprises an upper doubling plate, a lower doubling plate; the upper doubling plate is provided with a cavity, the lower doubling plate is provided with a through hole, the lower doubling plate is provided with die feet, an upper thimble plate, a lower thimble plate and a thimble, the die feet are provided with a mold core, a plastic part is arranged between the mold core and the cavity, the plastic part is provided with an upper oblique rib, a lower oblique rib and a side panel, the side panel is provided with a side hole, the three-way core-pulling mechanism is characterized in that a controlled distance kerve, an upper oblique chute and oblique spring slots are arranged in the cavity, the upper doubling plate is provided with a controlled distance pull rod connected with a controlled distance pull plate, the controlled distance pull plate is matched with the controlled distance kerve, the upper oblique chute is internally provided with an upper oblique sliding block, the lower part of the upper oblique chute is provided with an upper rib slot matched with the upper oblique rib, baffles are arranged at two sides of the upper oblique sliding block, the oblique spring slots are internally provided with oblique springs of which the upper ends contact the baffles, an oblique guide column is arranged under the cavity, the mold core is provided with a side core-pulling sliding block provided with a side lug and an oblique guide hole, the mold core is internally provided with a lower oblique chute internally provided with a lower oblique sliding block, the upper end of the lower oblique sliding block is matched with the lower oblique rib, an oblique guide slot is arranged in the lower oblique sliding block, one side of the mold core is provided with an oil pumping cylinder connected with a bent pin, and the bent pin is matched with the oblique guide slot.

The invention discloses a noise reduction device for a transformer, a transformer oil tank and a transformer. The noise reduction device includes: a noise reduction board, and an insulating layer covering the surface of the noise reduction board; the noise reduction board includes: at least two cardboard layers, and a metal sheet layer arranged between adjacent cardboard layers; Moreover, the topmost layer and the bottommost layer of the noise reduction board are both cardboard layers. The noise reduction device has the advantages of low cost and good noise reduction effect. Moreover, since the noise reduction device can be arranged in the idle space in the transformer oil tank, there is no need to avoid the line, and it is not necessary to increase the volume of the transformer. At the same time, the straight inner wall of the transformer is also conducive to simplifying the structure of the noise reduction device, making it easy to process and realize industrial production.

The invention discloses an intelligent terminal and a control method therefor. The intelligent terminal comprises a touch display screen, a controller and a touch panel, wherein the controller is electrically connected with the touch display screen and the touch panel; and the touch panel is integrated in a camera accessory of the intelligent terminal. Existing components of the intelligent terminal are reasonably utilized without additionally increasing costs, so that the intelligent terminal is richer in function, the convenience is provided for users, and the user experience is improved. Moreover, holes do not need to be additionally formed in other parts of a back housing of the intelligent terminal for mounting the touch panel, and the intelligent terminal can be more attractive without increasing the original volume of the intelligent terminal.

The invention discloses an integrated power combustion device. The integrated power combustion device comprises a power combustor, a single-chip microcomputer, a gas device, a power adapter and an operation interface; an aerodynamic gas device is arranged on one side of the power combustor, and the other side of the power combustor is connected with the gas device; a fuel gas injection pipe, a gasinverted-cone-shaped fluid director, a mixed gas gathering device, a wave-shaped net, a fire spraying cover, an ignition device and a flame detection device are arranged in the power combustor; and the fuel gas device comprises a fuel gas pipeline, a fuel gas electromagnetic valve, a fuel gas pressure stabilizing valve and a fuel gas pressure sensor. Compared with the prior art, the integrated power combustion device has the advantages that the pressure of gas entering a house can be stabilized and balanced, flame is in a thin transparent sharp corner shape during burning, combustion productsof carbon monoxide, nitric oxide and carbon dioxide can be greatly reduced at the same time, the burning speed is high, the burning intensity and heat explosive power are high, time is saved, the energy-saving and low carbon effect is remarkable, the combustor is small in size, the requirement for high-heat-load firepower can be met, and the manufacturing cost of metal materials is saved.

A guide apparatus includes a pair of guide rails (2), magnet units (11), pedestals (12), a sensor unit (13), a magnetic guide control apparatus as a control unit (14), and projected parts (181, 182). The magnet unit (11) includes electromagnets (113A, 113B, 114A, 114B) and permanent magnets (111, 112) and magnetic poles (11C, 11S1, 11S2) thereof are opposed to a blade (21) of the guide rail (2) from three directions with a gap. The projected parts (181, 182) are formed with side parts of a tip part of a central magnetic pole (11C) opposite to a tip surface (21a) of the blade (21) of the guide rail (2) among the magnetic poles of the magnet unit (11) being brought closer to the guide rail than a center section thereof.

The invention discloses monodisperse strong-magnetism immunologic nanoparticles. The particle size of the monodisperse strong-magnetism immunologic nanoparticles ranges from 5 nm to 5 microns. The invention further discloses a preparation method of the monodisperse strong-magnetism immunologic nanoparticles. The method includes the following steps that firstly, ferroferric oxide nanoparticles are prepared; secondly, monodisperse silicon hydroxyl magnetic nanoparticles are prepared; thirdly, monodisperse amination magnetic nanoparticles are prepared; fourthly, the monodisperse strong-magnetism immunologic nanoparticles are prepared. The monodisperse strong-magnetism immunologic nanoparticles and the preparation method thereof have the advantages that superparamagnetism is good, the magnetic content is high, dispersity is good, the agglomeration phenomenon dose not exist, the appearance is regular and standard, the particle size is unified and controllable, and functional modification is easy.

The invention relates to the technical field of connectors and discloses a connector which comprises an insulating body assembly and a plurality of terminal assemblies arranged side by side, each terminal assembly comprises a connecting terminal and a contact terminal; the connecting terminals are arranged in the insulating body assembly, the front ends of the contact terminals are exposed out ofthe insulating body assembly, tail parts of the contact terminals are provided with accommodating holes, the contact terminals sleeve the front ends of the connecting terminals, the sleeving length isadjustable, and the front ends of the connecting terminals are in elastic contact with inner walls of the accommodating holes. The contact terminals are contracted in a manner of moving towards the direction of the connecting terminals and are not contracted in a bending manner by elastic deformation. Therefore, the part exposed out of the insulating body assembly does not need to be bent, the space occupied by the contact terminals can be reduced, more terminal assemblies can be arranged in the limited space of the connector without increasing the volume of the connector, and the requirementof miniaturization development of the connector is met.

The invention discloses an X-ray detector anti-collision device, method and proximity sensor thereof. The proximity sensor comprises a sensing antenna plate which is made of X-ray transmissive material and is positioned at one side, where X-ray signals are received, of the X-ray detector, for detecting the capacitance signals in a detected area; and an analog-to-digital conversion module which iselectrically connected with the sensing antenna plate and is used for converting the capacitance signals into digital capacitance values from analog quantity. The technical solution in the invention can realize the anti-collision protection of the X-ray detector.

The invention belongs to the technical field of washing machines, and particularly relates to a detergent put-in device and a washing machine. The detergent put-in device comprises a box body and a put-in structure, wherein the box body is arranged on the upper side of an inner tub of the washing machine and used for containing a detergent, the lower portion of the put-in structure is connected with the interior of the box body to form a put-in channel, the put-in channel is controlled by an element capable of being pressed to reciprocate to be opened and closed, and the upper portion of the put-in structure is provided with a liquid outlet pipe which is connected with the put-in channel and puts the detergent into the inner tub. The detergent put-in device is simple in structure, low in cost and convenient to popularize, and convenient semi-automatic put-in can be realized.