68results about How to "Convenient production and life" patented technology

The invention discloses a top-down real-time big data query optimization method based on a bushy tree. The method comprises the following steps of (1) analyzing a query sentence, and constructing an initial query super-graph according to the analyzed query sentence; (2) stepwise decomposing the initial query super-graph in a top-down mode according to the level based on a lowest cost principle for a query plan tree until an optimal query plan tree of the initial query super-graph is obtained, so that real-time big data query optimization is completed. According to the method, a searching space of the bushy tree is constructed, an optimal cost model and a pruning policy are combined, and the sizes of disk I / O (Input / Output), network transmission and an intermediate result are taken into comprehensive consideration, so that the generation of an optimal connection sequence is guaranteed, the query efficiency is improved, the development of a real-time big data query technology is promoted, the service quality of real-time big data query is improved, and the production and the life of people are facilitated.

The invention discloses a fog collaborative cloud data sharing method based on attribute-based encryption. The method comprises the following steps: 1, initializing a system; the authorization mechanism generates a system public key, a system master key, a private key of the cloud service provider, a public key of the fog node and a private key of the fog node; 2, performing data encryption; the user encrypts the shared data based on the shared content key and then sends the encrypted shared data to the fog node; 3, performing data preprocessing; the fog node receives ciphertext data transmitted from a user, and outputs a preprocessed classification result and indexes of related data information entries; 4, re-encrypting the data; the fog node operates an algorithm, re-encrypts the shareddata based on a professional access strategy, and encrypts related professional entries corresponding to each piece of data; 5, performing data decryption; as long as the attributes of the cloud service provider can meet personalized and professional access policies, the cloud service provider can decrypt the shared ciphertext. According to the method, professional information classification and effective data analysis of the shared data can be conveniently realized.

The invention relates to a rear wheel set separable and unfoldable multi-box sleeve type collection multifunctional mobile selling service cart which can be convenient to collect and unfold and comprises a cart body, a fixed box, a mobile box, an unfolding device, a fixed wheel set, a running wheel set, a mobile box chassis box and a mobile box chassis. According to the service cart disclosed by the invention, the defect of single box of the existing container truck is overcome, many practical functions can be developed, and the service space can be moved, folded and unfolded, so that a brand new vehicle-mounted service mode and many practical functions are provided, and the service cart has great practical value and market space, and can bring great convenience to the production and living of people.

The invention discloses a wood-plastic composite material and a preparation method thereof. The wood-plastic composite material comprises the following raw materials in part by weight: 30 to 50 percent of saw dust, 30 to 50 percent of waste polyethylene, 5 to 20 percent of waste polypropylene, 5 to 10 percent of aluminate, 0.5 to 1 percent of modifier, 4 to 5 percent of stearic acid, 0.5 to 1 percent of zinc stearate and 4 to 5 percent of ethylene wax. The preparation method comprises: weighing raw material; drying the saw dust; mixing, filling the waste polyethylene and waste polypropylene in an open mill, adding the modifier, stearic acid, zinc stearate and ethylene wax, plasticizing and sheeting to obtain a plasticized blank; and shearing the plasticized blank into small thin sheets, subjecting the small thin sheets to hot-forming, preparing a standard sample, removing flashing, and performing secondary hot-forming to obtain wood-plastic composite material. The wood-plastic composite material has high compatibility, interface compatibility and good mechanical properties and brings great convenience for production and life.

The invention discloses a composition and work principle of a photovoltaic water pump system, and the system comprises a solar cell photovoltaic array, a DC chopper, a frequency converter, a water pump, and a water storage device. The solar cell photovoltaic array is electrically connected with the DC chopper, and the DC chopper is electrically connected with the frequency converter. The frequencyconverter is electrically connected with a motor and the water pump, and the water inlet of the water pump is communicated with a water storage device through a water pipe. The solar cell photovoltaic array is electrically connected with an ASTPM module through a winding group, and the ASTPM module is in bidirectional connection with a central processor. The invention relates to the technical field of photovoltaic water pumps. The system causes no pollution, needs little maintenance, does not consume other resources, prevents the natural environment and human behaviors from causing the severer ecological environment, greatly improves the ecological environment, can prevent the land deterioration and desertification, and guarantees the good production and the life of the people.

The invention discloses a dustproof material which comprises 10 to 99 percent of base material and 1 to 90 percent of titanium dioxide powder according to weight percentage, and the sum of the base material and the titanium dioxide powder is 100 percent. The dustproof material contains the titanium dioxide powder so as to have dustproof performance, can be widely applied to multiple fields of home appliances and the like, bringings convenience to the production and life of people, is wide in application range, is beneficial to wide production and popularization, and has great production practical significance.

The invention discloses a banknote checking all-in-one machine with a POS payment function. The banknote checking all-in-one machine comprises a frame, a banknote checking part and a POS part. The frame comprises a bottom plate, a protective cover, a first vertical plate, a second vertical plate and a POS casing. The first vertical plate, the second vertical plate and the bottom of the POS casing are fixed on the bottom plate. A rear vertical plate is connected between the first vertical plate and the second vertical plate. Both ends of the rear vertical plate are fixedly connected with the first vertical plate and the second vertical plate. The bottom of the rear vertical plate is fixedly connected with the bottom plate. A banknote guide plate is fixed in the notch of the rear vertical plate. The first vertical plate and the second vertical plate are hinged with the top plate connection part of a top plate through a top plate rotating pin. The first vertical plate and the second vertical plate are hinged with a pick-up plate through a pick-up rotating shaft. The first vertical plate and the second vertical plate are fixedly connected with both ends of a connection bar on the hinge joint of the pick-up plate. The second vertical plate, the outer side of the POS casing, the third vertical plate and the third auxiliary vertical plate are connected to form a dust collection installation cavity. The invention further discloses a banknote checking method based on the banknote checking all-in-one machine with the POS payment function.

The invention discloses a field bus adapter with line collecting devices. The field bus adapter comprises an adapter body, a left line collecting device and a right line collecting device. The adapter body includes an adapter shell and an adapter core circuit board. Each of the left and right line collecting devices comprises a left-wheel line collecting device, a right-wheel line collecting device, and an internally hollowed connection rod. The left-wheel line collecting device is provided with a rotating disc, a rotating shaft connected with the rotating disc, and a micro electrical machine motor. A cylindrical groove is inwardly disposed on the transverse center position of the rotating disc. The rotating shaft is disposed in the connection rod. The micro electrical machine motor is located in a right position below the connection rod and a battery compartment is arranged at a left position below the connection rod. The battery compartment is connected to the micro electrical machine motor via a wire. The field bus adapter has advantages of simple structure, novel and practicable design, and uses the wheel-type line collecting devices, greatly saves space, improves the aesthetical degree of the whole equipment, and makes daily life more convenient and tidy.

The invention belongs to the field of city inland river governance and provides a city inland river building layout. The city inland river building layout is mainly characterized in that a rod section bridge which is communicate with ether side of a culvert bridge main bridge ejected above an inland river is ejected above an inland river reach in the downstream direction, houses are constructed on the outer sides of two banks of the road section bridge respectively, and air draft chimneys which are communicated with the houses are arranged on the lower portion of the inner sides of the two banks of the road section bridge. The city inland river building layout has the obvious advantages of making full use of space, saving land, changing a city inland river governance method, improving city traffic conditions, bringing convenience to production and life of citizens and the like.

The invention provides a beaker washing device. The beaker washing device comprises a iron frame platform, a cross-shaped clamp, an adjustable-speed motor, a connector, pins, a hair brush, a to-be-washed beaker, magnet limiting blocks and a speeder; the cross-shaped clamp is fixedly connected with the iron frame platform and is arranged on the upper part of the iron frame platform; the adjustable-speed motor is fixedly connected with the cross-shaped clamp; the connector is placed under the adjustable-speed motor; the pins are capable of adjusting positions and are placed under the connector;the hair brush is fixedly connected with the pins; the magnet limiting blocks are fixedly connected with the iron frame platform; the to-be-washed beaker is placed on the upper parts of the magnet limiting blocks; and the speeder is connected with the adjustable-speed motor. According to the beaker washing device, in the washing process of beakers, the singleness is avoided, and the washing problem of the beakers with various specifications can be effectively solved.

A standard fly-over crossing communication system in urban area is disclosed. A 50-km position is defined as the origin point of coordinate system and also as the city center. A city is checked by quasi-kilometer lines. The geographic position is expresented by relative coordinates. The address is digitalized. Two communication layers are used in the city. The subway and bus are used as main communication neans. The municipal facilities including water supplying pipeline, sewer, power transmission lines, gas pipeline, etc are such arranged that they are not crossed with road.

An illuminating system capable of being controlled by any remote control is characterized by comprising a switch (C1), a light emission driving device (C2), a light emitting device (C3), a receiving head (C4) and a decoding and memory device (C5), an alternating current is connected with the power source input end of the light emission driving device (C2) through the output end of the switch (C1), the signal output end of the receiving head (C4) is connected with the signal input end of the decoding and memory device (C5), the signal output end of the decoding and memory device (C5) is connected with the control signal end of the light emission driving device (C2), and the power source output end of the light emission driving device (C2) is connected with the light emitting device (C3). By means of the illuminating system, a special remote control is not required for an illuminating device. Opening, closing and light adjustment of the illuminating system can be controlled through any remote control. A user can use a key, not used frequently, of the remote control to control the illuminating device by learning and remembering the coding of the remote control, and controlling by any remote control can be achieved really.

The invention discloses a deodorant for wastes in production of livestock products. The deodorant comprises the following substances by mass: 2 to 10 parts of camphor, 30 to 50 parts of amino sulfonic acid, 10 to 20 parts of boric acid, 10 to 15 parts of formaldehyde and a proper amount of essence, with the balance being ethanol. The deodorant provided by the invention has good deodorization effect on wastes in production of livestock products; the raw materials for the deodorant are easily available; production cost is low; and the deodorant effectively cleans the production environment for livestock product.

The invention discloses a charging converter capable of converting absorbed electromagnetic wave into electric energy, which is applied to all electronic products equipped with a rechargeable battery and comprises: an induced current generating unit, a charging circuit, a forward current storage capacitor, a reverse current storage capacitor and a rechargeable battery. The charging converter can be applied to any electronic product equipped with a rechargeable battery by the following steps: an electromagnetic wave sensing device is arranged in an electronic product for sensing and absorbing the self-generated electromagnetic radiation and electromagnetic radiation from outside space; the absorbed electromagnetic wave is converted into tributary current and stored in the equipped rechargeable battery for re-providing electrical energy for the electronic product, thus minimizing the impact of the harmful electromagnetic wave on human body, prolonging the normal service life of the electronic product, reducing the times of manual charging of the electronic product by users, bringing convenience to users in life and production, enhancing the product using feel of users, and having great significance to production practice.

The invention discloses a photovoltaic pump system and a design method. The photovoltaic pump system comprises a solar cell module, an inverter, a grid-connected batch meter, a frequency converter, anelectric tower and a water pump. The solar cell module is connected with the inverter in series through a wire. The inverter is electrically connected with the grid-connected batch meter through a wire. The grid-connected batch meter is electrically connected with the frequency converter through a wire. The frequency converter is electrically connected with the electric tower and the water pump through wires. The water pump is arranged in a water storage tank and communicates with a sprayer head arranged at the upper end of the water storage tank through a pipeline. Plants are arranged at thelateral end of the sprayer head. The photovoltaic pump system and the design method have the advantages of being free of pollution, not needing much repairing, not consuming other energies and the like, avoid the problem that the ecological environment gets worse and worse due to the influences of the natural environment and man-made sabotage, prevent great waste of resources, greatly improve theecological environment, and better guarantee the good life of people.

The invention relates to a clothes quick-drying machine based on full lamination type design. The clothes quick-drying machine can quickly dry clothes. The clothes quick-drying machine comprises a heat holding cover capable of being opened and closed, ultraviolet lamps, a storage box, a full lamination type clothes hanger body, vent holes, a PTC heater, a fan, an exhaust hole, a supporting rod, a control device, a base, a plug, a motor, rollers and a remote control unit. The clothes quick-drying machine is characterized in that the heat holding cover capable of being opened and closed is arranged on the upper portion of the supporting rod, a control device is arranged in the middle of the supporting rod, and the base is arranged on the lower portion of the supporting rod; the ultraviolet lamps are arranged on the top of the heat holding cover capable of being opened and closed, the storage box and the full lamination type clothes hanger body are arranged in the heat holding cover capable of being opened and closed, and the exhaust hole is formed in the lower portion of the heat holding cover capable of being opened and closed; the PTC heater and the fan are arranged in the full lamination type clothes hanger body. The control device is composed of an indicator lamp, a power switch button, a clothes scented water switch button and an automatic mode button; the base is composed of the motor, the plug and the rollers. The clothes quick-drying machine has the advantages of being capable of rapidly drying the clothes, having an antibacterial function and a faint scent function and being easy to move and capable of being remotely controlled.

The invention discloses a 24V solar DC limo prefabricated house application system which comprises a shell serving as a limo body or the external wall of a prefabricated house, wherein a solar panel and a wind driven generator are arranged at the top of the shell; a DC electric kettle, a DC electric pressure cooker, an electric blanket, a DC transformer, a DC refrigerator, a fuel-fired air heater,an exhaust fan, a DC LED lamp, a DC sound box and a DC electric fan; the DC transformer is connected with a notebook computer and a DC television set; the exhaust fan is arranged on the side wall ofthe shell and is used for ventilating the interior of the shell; a bed, a water storage tank and a gravity type water purifier are arranged in the shell. The system disclosed by the invention can reliably ensure the power demand of field workers, and provides various services for the life and work of the field workers in all dimensions as well as proper-temperature environment for the field workers and clean water, and meets the needs for cooking, heating water, work and cultural entertainment of users.

Embodiments of the invention provide a bird driving device. The bird driving device includes a bird driving unit and a fixing device for fixing the bird driving unit; the fixing device is fixedly installed on electrical equipment; the bird driving unit includes an electricity generation module, a storage battery, a loudspeaker, a controller and a bright light emitting module; the power output endof the electricity generation module is respectively and electrically connected to the power input ends of the storage battery, the controller and the bright light emitting module; the power output end of the storage battery is respectively and electrically connected to the power input end of the controller and the bright light emitting module; the output end of the controller is respectively andelectrically connected to the loudspeaker and the bright light emitting module; and the electricity generation module, the storage battery, the loudspeaker, the controller and the bright light emitting module are installed on the fixing device. The bird driving device can be properly selected and used by field towers and transformer substations that power supplies are inconveniently provided; andthe problems of bird nests on power towers and bird trouble over airports can be solved.

The invention discloses an emergency plugging device for a valve leakage opening. The emergency plugging device comprises a lower shell. An upper shell is movably mounted on the outer surface of the upper end of the lower shell. An externally-connected water pipe is fixedly mounted on the outer surface of the upper end of the upper shell. A sealing ring is fixedly mounted at the position, locatedon one side of the externally-connected water pipe, of the center of the outer surface of the upper end of the upper shell. A throttle valve is movably mounted on the outer surface of the upper end ofthe externally-connected water pipe. A water outlet pipe is movably mounted on the outer surface of one side of the throttle valve. A connecting flange is movably mounted on the outer surface of oneside of the water outlet pipe. According to the emergency plugging device for the valve leakage opening, when water leaking occurs on a valve, the emergency plugging device is used as a standby valve,normal using of a water pipe is not affected when the valve is repaired, fast mounting can be achieved, operation is easy, using is convenient, leakage plugging can be conducted timely, the leakage plugging effect is very good, double-layer leakage plugging is achieved, it is ensured that air or liquid in a pipeline is not leaked outwards, using is convenient for people, and better using prospects are brought.

The invention discloses an optimized access hood which comprises a cushion plate and a hood body. The hood body is mounted on the right side of the cushion plate, first springs are mounted on the upper and lower sides of the inner wall of the right side of the hood body, a first insertion plate is mounted on the top end of each of the springs, a plurality of slots are formed in the outer wall of the first insertion plate, two second insertion blocks are inserted into connecting blocks, and a second pull rod is mounted on the outer wall of each of second insertion blocks. According to optimizedaccess hood disclosed by the invention, a first insertion block escapes the slots by pulling a first pull rod, so that a screw moves upward or downward along a nut and the second insertion plates orthird insertion plates move upward or downward therelong to achieve a purpose of changing the size of the opening of the hood body. The ventilating heat efficiency can be regulated manually to be accelerated, and the connecting rods are inserted into the second insertion plates, so that when the two second insertion plates and the third insertion plates are closed, the optimized access hood is more stable, the inner heat of the hood body is uniform, the utilization efficiency is high, and convenience is brought to production and life.

The invention discloses a mechanical energy remote controller, which comprises a remote controller circuit board, wherein the remote controller circuit board is connected with a direct current generating device. The mechanical energy remote controller can work normally without power provided by dry batteries, which effectively saves energy, reaches the environment-friendly purpose, brings convenience to production and life of a user, enhances the product use experience for the user, avoids pollution of the environment by the dry batteries, and has significant production practice significance.

The invention discloses a wet electrostatic dust remover. An intake channel is mounted at the top of an electrostatic dust remover body; an air feeder is mounted at the top of the intake channel; a metal electrode plate is embedded at the bottom of the intake channel; one side of the metal electrode plate is connected with a high-voltage generator; under driving by the air feeder, after air with dust passes through an electric field formed by the metal electrode plate, the dust can carry with the same charge; the charged dust can be absorbed on the surfaces of electric conduction dust collecting plates under the effect of the electric field after entering between the electric conduction dust collecting plates; after the dust removal is finished, a water pump can be used again for cleaningthe surfaces of the electric conduction dust collecting plates, so that water with the dust flows into a waste water separation chamber at the bottom; after a period of time for precipitation, the water can be layered from sludge; at this time, a reflux pump can be controlled to suck the water from a floating water sucking ball; and the water is conveyed into the water pump by a hose for reuse. The electrostatic dust remover is more convenient to clean and higher in dust absorbing efficiency, and achieves more convenience for people life.

The invention discloses an underground pipe gallery pipeline made from a low-cost high-performance composite material and belongs to the field of constructional engineering. Specifically, water supply, water recycle, drainage, heat supply and fuel gas composite material pipelines of an underground pipe gallery are manufactured at a super-low cost. According to each pipeline, a pipeline inner layeris formed in the mode that continuous basalt fibers wind an inner core mold, a pipeline middle layer is formed in the mode that a large number of super-fine basalt fibers coat the outer surface of the pipeline inner layer, the continuous basalt fibers wind the exterior of the pipeline middle layer to achieve pipeline formation, after pipeline formation, an outer mold covers the pipeline for pressurization, and heat preservation and shape setting are conducted to complete pipe manufacturing. The pipeline made from the low-cost high-performance composite material is simple in manufacturing technology and low in manufacturing cost, the tensile strength and compressive strength of the pipeline are higher than those of pipelines made from steel and plastic composite materials, after use, the application cost of the underground pipe gallery is greatly lowered, and the service life of the underground pipe gallery pipeline is greatly prolonged.

The invention relates to equipment for preparing distilled water by utilizing waste heat of tail flue gas of a gas-fired boiler, particularly relates to an energy-saving distilled water machine for the gas-fired boiler, and aims to solve the problem that a large amount of heat energy is lost due to the fact that the tail flue gas of the boiler is directly discharged into the atmosphere. Accordingto the equipment, the flue gas direction can be adjusted through a tail flue guide device, and then a distilled water device is turned on or off. When the distilled water device is turned on, flue gaswashes a finned tube below the distilled water device to perform convective heat exchange, and heat is transferred to tap water in the distilled water device to generate steam. The steam rises, encounters cooling water at top, is condensed into distilled water, flows into a distilled water collecting device along a steel plate and then is discharged from an outlet, the tail flue gas guide deviceis provided with a bypass flue which passes through an adjustable baffle, the tap water tank and the cooling water tank enable the water level in the water tank and the water level in the equipment tobe kept consistent through the theory of communicating vessels, a floating ball liquid level switch is arranged on the liquid level, and then automatic water supplementing and automatic condensate water replacing are achieved.

The invention provides a walnut picker. The walnut picker comprises an elastic container, a first rod body, a second rod body, a third rod body and a grass raking machine; the first rod body, the second rod body and the third rod body are designed through nesting, the elastic container is movably connected with the first rod body, and the grass raking machine is movably connected with the third rod body. According to the walnut picker, the problems of quick picking and accurate picking are solved, man-hour waste and fruit missing are avoided, and the walnut picker can have the advantages of being low in tool cost and high in work efficiency.

The invention belongs to the field of bionic low-altitude aircrafts and particularly relates to an insect-like flapping-wing aircraft. The insect-like flapping-wing aircraft is mainly characterized in that at least one set of movable wings is arranged on the outer side, each set of movable wings includes at least one pair of insect-like flapping wings which are provided with at least two main wing ribs, flexible auxiliary wing ribs are connected between the main wing ribs, flexible cloth films are arranged on the meshed rib surfaces, the main wing ribs make the flapping wings to extend or retract around a reversing transmission shaft through movable hinge pin covers under the action of a splay controller and an incidence angle adjuster, the flapping wings flap circularly from top to bottom, and thus the aircraft can fly to the air, fly forwards or backwards, and hover or land. Compared with the prior art, the insect-like flapping-wing aircraft is simple in structure, low in cost and flexible in flight, has low requirements for environment and can be easily popularized.

The invention provides a brand new Internet of things control method for electrical equipment. A microprocessor receives an instruction from an information instruction promotion server, controls open and close of a relay control switch according to the instruction and controls a flow direction of a current in an external connection circuit line so as to realize an energization state of external-connection electrical equipment. The Internet of things controller realizes remote control of the external-connection electrical equipment. People do not need to directly contact switches of household appliances which are installed with the Internet of things controller. People production and lives become convenient; life quality is improved; usage safety is increased; a fire hazard risk caused by long time connection of the household appliances is reduced and a social integration value is increased.

The invention discloses a distributed data acquisition system using a cable magnetic field for power supply. The distributed data acquisition system comprises an alternating current source, a cable, a wireless energy acquisition circuit, and a data acquisition device. The transmitting end of the system adopts an underwater cable having a complete waterproof function, and the wireless energy acquisition circuit and the data acquisition device are packaged in a completely sealed way, and therefore underwater working is realized. The magnetic field is generated in the signal transmitting cable of the transmitting end by the alternating current, and the current is sensed in peripheral wireless energy acquisition coils, and therefore a one-to-many wireless electric energy transmission system is realized. The data acquisition device is used to monitor environmental parameters, which are transmitted to an upper computer, and therefore real-time monitoring of underwater severe environment is realized.

The invention discloses an intermediate relay coil soft fault detection method, solves the problems that an existing relay coil detection method is complex and cannot effectively detect soft faults, and belongs to the field of relay fault detection. The method comprises the steps that S1, two groups of data samples which comprises a group A and a group B are established, the group A is a normal scattering parameter of an intermediate relay coil, and the group B is a scattering parameter obtained after a soft fault of the intermediate relay coil occurs; S2, acquiring scattering parameters of anintermediate relay coil to be measured, S2, respectively adding the scattering parameters into the group A and the group B established in the step S1, clustering, if the scattering parameters of theintermediate relay to be tested are the same as those of the group A, determining that the intermediate relay to be tested is normal, if the scattering parameters of the intermediate relay to be tested are the same as those of the group B, determining that the intermediate relay to be tested has a soft fault; wherein the scattering parameter comprises a frequency corresponding to a phase angle ofzero in the phase-frequency characteristic.

The invention provides a hoistable part storage tool. The hoistable part storage tool comprises a hoisting ring, a hoisting rope, a first storage box, connecting ropes, a second storage box and a hook, wherein the two ends of the hoisting rope are fixed to the two sides of the first storage box; the hoisting ring is connected to the hoisting rope; the hook is arranged at the bottom of the first storage box; the first storage box and the second storage box are movably connected through the hook, and the first storage box and the second storage box are stably connected through the connecting ropes at the two ends; the connecting ropes are arranged on the top surface of the second storage box; and the hook is arranged at the bottom of the second storage box. The hoistable part storage tool can effectively solve the problem of integral functions of drying, wiping, transporting and fixing of parts.