40results about How to "Free circulation" patented technology

The invention provides a privacy transaction method and system, a device and a storage medium. The method comprises: obtaining a first public key pair of a receiver, generating a first random number,generating an elliptic curve public key according to the first random number, and generating a one-time public key according to the first random number; using the one-time public key as the output destination public key of the privacy transaction, using the elliptic curve public key as the input information of the privacy transaction, and packaging the privacy transaction according to the balanceof the privacy contract. The privacy transaction is sent to the block chain network for consensus, and the receiver verifies the privacy transactions, and generates a one-time private key according tothe first private key pair and the elliptic curve public key after the verification is passed. By using the public key pair to generate the one-time target public key, the receiver is guaranteed notto be traced by others.

The invention relates to a power distribution network situation sensing method based on the complex event processing technology and a decision tree, and the method comprises the steps: defining nodes, and generating a decision tree model according to a node rule and status values; obtaining the input data of the decision tree model; calculating and obtaining output data through employing the corresponding formulas of all nodes; comparing the output data of all nodes with expected values, and obtaining the state changes of the nodes; determining the node priority of the decision tree model, and obtaining an inference result. The method greatly improves the capability of a power distribution network for processing mass information and mastering a key situation under the condition of disasters, and provides decision support for the power distribution network for handling natural disasters.

The invention discloses a novel box type transformer station. The novel box type transformer station at least comprises a high-voltage switch chamber, a low-voltage switch chamber and a transformer chamber, wherein the high-voltage switch chamber, the low-voltage switch chamber and the transformer chamber are in echelonment distribution, and equipment lines in the high-voltage switch chamber, the low-voltage switch chamber and the transformer chamber are M-shaped, U-shaped or V-shaped. Different from the prior art, the novel box-type transformer station enables the volume of the box type transformer station to be reduced by 1 to 3 times compared to a conventional transformer station through innovative adoption of an upper-lower multilayer distribution structure, reduces the area of occupied land, facilitates transportation and decreases the transport cost; and a downward pedestal of the conventional box type transformer station does not have to be manufactured, such that the difficulty of a construction project is reduced, the cost is decreased, and unfavorable influences brought by moisture in the half-embedded pedestal to each device in the box type transformer station can be better avoided.

The invention provides a ventilation and heat dissipation control console. The ventilation and heat dissipation control console comprises a console body provided with a hollow cavity. A rear wallboard with a hollow cavity is arranged on the console body in a communicated mode, wherein the hollow cavity of the console body is communicated with the hollow cavity of the rear wallboard. A plurality of air outlets which are communicated with the hollow cavity of the rear wallboard are formed in the rear wallboard. A plurality of air inlets which are communicated with the hollow cavity of the console body are formed in the console body. A fan is fixed inside the part, at the joint of the console body and the rear wallboard, of the hollow cavity of the console body, wherein the fan can guide air inside the hollow cavity of the console body to the hollow cavity of the rear wallboard. The ventilation and heat dissipation control console has the advantages that the control console is of a hollow cavity structure so that the air can flow freely; with the addition of the fan for reinforcement, air circulation inside the control console can be well kept, heat inside the control console is dissipated, air surrounding the control console can be driven to flow, and the air is fresher.

The invention relates to a multi-channel scheduling method for different blockchain system information. A link scheduling module, an energy state sensing module, an intelligent cleaning module, a multi-encryption signature module, an asset dynamic balance module and a user side are included. Through carrying out distributed management on cross-chain transaction data, system resources are intelligently predicted and cleaned; the data transmission efficiency and reliability and the utilization rate of system resources are effectively improved, and the transaction security is effectively improvedby setting multiple signature cold and hot accounts and carrying out dynamic asset balance adjustment, so that the value can be freely, safely and efficiently circulated in different blockchain systems.

The invention relates to a moving bed biofilm reactor deposition integrated denitrification reaction tower. The moving bed biofilm reactor deposition integrated denitrification reaction tower comprises a moving bed biofilm reactor and a deposition pool arranged at the periphery of the side wall of the moving bed biofilm reactor, the moving bed biofilm reactor is loaded with suspended filler, an aeration device is arranged at the edge of the bottom, a jet flow water distributor is further arranged in the center of the bottom, a water inlet is formed, a deposition pool inlet is further formed inthe side wall, a sludge reflowing opening is formed below the deposition pool, sludge flowing out of the sludge reflowing opening is mixed with inlet water, is afterwards jetted out of the edge of the bottom of the moving bed biofilm reactor through the jet flow water distributor and is then in contact with the suspended filler to form mixed liquid, and then through upward lifting of the aerationdevice, a hydraulic circulation denitrification environment of aerobic and anoxic alternating is formed. The deposition function is integrated while efficient denitrification is achieved, the technical problems that the suspended filler in the tower-type denitrification reactor is easily lost and running and flowing are not uniform are solved, the structure is compact, the occupied area is small,running is simple, timely power-free sludge reflowing is achieved, and energy is obviously saved.

The invention relates to a device for improving air quality, in particular to a device for improving the air quality of a pig house. The invention aims at providing the device for improving the air quality of the pig house of which the structure is simple, the effect on improving the air quality is good and the air can freely circulate. The device for improving the air quality of the pig house comprises a water tank, a water pump, water draining tubes, a left bearing pedestal, a right bearing pedestal, a motor, a screw rod, a nut, a spraying tube, a nozzle, a water discharging tube, an electric winding wheel, a pulling wire, a slanted roof and mesh enclosure, wherein the water tank is arranged at the right end of the top outside the pig house, the water pump is arranged at the left side of the bottom inside the pig house, water draining tubes are arranged at the bottom of the left and right sides outside the pig house, the left bearing pedestal, the right bearing pedestal and the motor are arranged from left to right on the top inside the pig house in sequence, and the screw rod is arranged between the left bearing pedestal and the right bearing pedestal. According to the device for improving the air quality of the pig house, the effects of being simple in structure, good in air quality improving effect, and capable of letting the air freely circulate are achieved.

The invention relates to the technical field of rice cultivation and in particular relates to a rice machine transplanting dry land tray-free rice seedling raising method. The method comprises the following steps: (1) preparing a rice seedling bed; (2) preparing seed rice; (3) preparing before seeding; (4) seeding; (5) managing the rice seedling bed; and (6) pulling up rice seedlings and performing machine transplanting. According to the method, because the bottom of the rice seedling bed is compacted to form a dense layer, rice seedlings are raised on a part above the dense layer, and a phenomenon that the root system of the rice seedlings grows to penetrate into the dense layer is avoided. Due to the presence of the dense layer, the root system of the rice seedlings grows on the part above the dense layer, the seedlings are easily taken, and the problem that the root system of the rice seedlings is damaged can be effectively solved. In addition, growth of the rice seedlings is not influenced at all, and nutrient, air and water needed by the rice seedlings can freely circulate. Moreover, according to the method, the rice seedling bed is separated in the process of raising rice seedlings by utilizing separators, and later-stage seedling taking and machine transplanting are promoted.

The invention relates to an energy-saving type hot wall heated brick bed and a construction method of the energy-saving type hot wall heated brick bed, and belongs to the field of human life. The energy-saving type hot wall heated brick bed comprises a bed body and a bed face plate, wherein the bed body is a cavity, and bed face plate supporting columns are arranged in the bed body. Due to the fact that only the bed face plate supporting columns used for supporting the bed face plates are arranged in the bed body, smoke can freely circulate in the bed body without being blocked, and the bed face can dissipate heat evenly; a heat preservation and thermal insulation layer is arranged in the bed body, heat which is dissipated outdoors is reduced, the energy utilization ratio is high, and the fuel utilization ratio is high; due to the fact that an ash blocking stack is arranged in the middle of a bed hot wall flue, ash which is discharged outdoors is reduced, and environmental pollution is reduced. The energy-saving type hot wall heated brick bed is simple in structure, low in cost, convenient to popularize and use, wide in application prospects, and capable of effectively improving the comprehensive utilization efficiency of construction energy consumption, and has certain guiding significance in low-energy-consumption buildings and green buildings.

The invention belongs to the field of light-rail train accessories, disaster reduction and prevention and smart cities and specifically relates to a sound-insulation protection device of a light-railtrain. The device comprises a sound-insulation hood component and a rainwater treatment device. Comprehensive utilization of solar energy is realized through installation of solar panels outside the sound-insulation hood component; electric power generated can be used by an LED lamp panel disposed inside a sound-insulation hood; through use of the LED lamp panel, a vehicle can be guided and indicated; and the LED lamp panel can also be used as an advertising board, so installation cost is reduced for an operator. A rainwater collector and the rainwater treatment device are disposed, so impactsof rainwater on train running are reduced; possibility in urban water logging during rainy seasons is reduced; and rainwater can be disposed at an initial stage.

The invention relates to a method of manufacturing a sound absorbing panel (107) according to which a reflective wall (112) is added to at least one part of one of the faces (111, 113) of a set of sound absorbing cells. The method according to the invention is remarkable in that at least one passage (118) on one portion of the thickness (E) of said assembly is formed on the face (111, 113) opposite said one of the faces (111, 113), said passage (118) forming at least one main communication channel (119) between the cells and is intended for the circulation of a deicing fluid.

The invention relates to a breast pump, belonging to the field of human life. In the invention, the area near the bottom of a breast pump cup bulges outwards to form a spherical milk collection cup, a boss is arranged on the bottom of the breast pump cup, the center of the boss is provided with a through hole, a groove is made on the boss starting from the through hole and is taken as a vent groove, the vent groove is communicated with the through hole, and a baffle or an end cover is arranged on the boss; a rubber ball is directly sheathed and connected to the rear part of the breast pump cup to supply negative pressure to the whole breast pump during pumping; when pumping, milk is pumped out, and simultaneously the baffle or the end cover can block the milk from entering into the rubber ball; each part of the milk collection cup adopts arc transition, with no dead angle easy to produce milk scale existing; after using, the rubber ball tightening ring and the rubber ball are taken off, the end cover can be conveniently poked off from the back of the suction hole at the bottom of the breast pump cup, thus ensuring each part of the breast pump to be rinsed respectively. As a result, the potential health hazard caused by accumulation of milk scale on the prior simple breast pumps can be fundamentally eradicated.

The invention belongs to the technical field of ocean energy utilization, and provides a wave energy heat storage type seawater temperature difference power generation device. The wave energy heat storage type seawater temperature difference power generation device comprises a floater energy obtaining system, a platform system and an anchoring system. A whole set of friction liquid is used for heating and heat storage, a power generation device is arranged in a platform, and thus the adaptive capacity of the whole system to the external environment is improved. The manner of friction heating of a flywheel and liquid is adopted, and heat generation is efficient. An inner ratchet wheel and pawl device is used for controlling movement of the flywheel, the flywheel rotates in one direction allthe time, when the rotating speed of the flywheel exceeds the rotating speed of the inner ratchet wheel, external wave energy cannot be transmitted to the flywheel through movement of the inner ratchet wheel, and therefore the rotating speed upper limit of the flywheel is limited, and the safety of a flywheel system is protected. A heat collection pipeline makes direct contact with hot liquid, and heat transmission is efficient. A water permeable net protects the safety of a heat dissipation pipeline, and cold seawater can freely circulate around the heat dissipation pipeline. Compared with atraditional ocean temperature difference power generation device, energy consumed for extracting deep cold seawater is saved.

The invention discloses a touch display device, which comprises a display panel, a transparent cover plate and an isolation strip, wherein the display panel comprises a frame and a light source region, and the display panel is used for emitting an optical signal; the transparent cover plate is arranged above a light emitting surface of the display panel, and a gap exists between the transparent cover plate and the display panel; the isolation strip is an isolation strip with a hole, and is used for blocking dust particles in the air from passing through; and the isolation strip is arranged along the frame, the isolation strip is arranged in the gap, and the isolation strip, the display panel and the transparent cover plate define a cavity without an opening. According to the touch displaydevice, free circulation of air on two sides of the isolation strip is realized, and the dust particles in the air are isolated from entering between the display panel and the transparent cover plate,so that too large temperature difference cannot be generated on the two sides of the isolation strip, namely water mist is prevented. The invention further provides display equipment with the beneficial effects.

The invention provides vinylon, silk and acetate fiber blended yarn which is composed of, by weight, 45-55 parts of vinylon, 40-50 parts of silk and 25-35 parts of acetate fibers. The vinylon, silk and acetate fiber blended yarn integrates characteristics of the vinylon, the silk and the acetate fibers to bring advantages of the same into play.

The invention discloses an anti-bulging tire. The tire comprises a tire and a force guide structure, the force guide structure is positioned in the tire and connected with the inner wall of the tire,the force guide structure comprises a rubber strip and a connecting pin; the rubber strip is arranged at the lower tangent point of the rim edge of the tire and surrounds the inner wall through connecting the connecting pins with the inner wall; one tire is provided with at least two force guide structures located on the inner wall of the lower tangent point of two rim edges of the tire. Accordingto the anti-bulging tire, when the tire presses a concave pit or a convex obstacle at a high speed, the air layer reduction ratio of the flat tire can be reduced, a part of force borne by the tire isconducted to a vehicle damping system through the force guide structure, and the situation that the flat tire bulges and is damaged can be reduced.

The invention discloses a box modularized haven wharf, and belongs to the field of development and engineering of large floating structures. One end of an offshore end main body is connected with land, the other end of the offshore end main body is detachably and fixedly connected with one end of a wharf main body; the wharf body is relatively fastened with a sea-bed through a plurality of lower box piles capable of moving up and down; the offshore end main body is relatively fastened with the sea-bed through a plurality of offshore end piles capable of moving up and down on the offshore end main body; one end, away from the land, of the wharf main body is equipped with a concave area; and a small and medium-sized naval vessel sheltering area is arranged in the concave area. The inventionprovides the novel box modularized haven wharf which avoids the defects that a construction period is long and a marine environment is harmed in a process of reclaiming land from the sea to constructan airport, and has the advantages of being quick in construction, simple in construction, capable of avoiding breaking the marine environment and the like.

The invention discloses a soil heavy metal pollution barrier layer material and a preparation method and application thereof.The barrier layer material is prepared by mixing urea-formaldehyde resin, a carbonizer and a stabilizer, carbonizing the mixture in the nitrogen atmosphere, then adding potassium hydroxide and an activating agent, conducting activation through two-stage heating, and finally, washing with HCl and deionized water to obtain the barrier layer material. The method for preparing the soil heavy metal pollution barrier layer material is simple in process and low in production cost, two-stage heating is innovatively adopted, raw materials can be fully utilized, the barrier effect of a finished product is optimal, the specific surface area of the prepared barrier layer material is larger than 1000 m < 2 >/g, and the prepared barrier layer material has high heavy metal adsorption capacity and can be used for preparing the soil heavy metal pollution barrier layer material. And the adsorption is very stable. The invention further provides two using methods of the soil heavy metal pollution blocking layer material, the effect of blocking soil heavy metal pollution can be achieved by fully adjusting measures to local conditions, and wide application prospects are achieved.

The invention discloses a mobile phone shell capable of spontaneously dissipating heat. The mobile phone shell comprises a frame and a shell. The shell is arranged in the frame. The shell comprises asilica gel surface and a heat dissipation surface. A camera hole is formed in the heat dissipation surface. High-temperature layers and low-temperature layers are alternately arranged on the heat dissipation surface. The high-temperature layer comprises a plurality of high-pressure grooves which are arranged up and down, the low-temperature layer comprises a plurality of low-pressure grooves whichare arranged up and down, the side walls of the low-pressure grooves are coated with heat dissipation gel. One sides, close to a mobile phone, of the low-pressure grooves are provided with heat conduction silica gel, and connecting holes are formed among the plurality of low-pressure grooves which are connected up and down. Different heat conduction effects of different materials are utilized, ahigh-temperature environment and a low-temperature environment which are opposite to each other are manufactured on a heat dissipation surface, air pressure difference is manufactured by utilizing different air pressures in the low-temperature environment and the high-temperature environment, air flow is formed due to the air pressure difference, and heat energy is carried in the air flow process,so that the heat dissipation purpose is achieved.

The invention discloses a biomacromolecule microreactor based on protein film isolation and fixation. Firstly, functional biomacromolecules needing isolation are loaded in the inner parts and the surfaces of CaCO3 granules by a co-precipitation method, or are loaded on the surfaces of the CaCO3 granules by a direct adsorption method, then a protein film is used for wrapping the surfaces of the CaCO3 granules, and finally, an internal CaCO3 formwork is removed through EDTA or etching with an acid solution, so that isolation and fixation of the functional biomacromolecules on the microcosmic level are realized, and further the development of physiological functions of the biomacromolecules is not influenced. The microreactor is simple in preparation method, low in cost and environmentally-friendly, microcosmic isolation of the functional biomacromolecules including various protein, enzymes, antibodies, lipid, polypeptide, DNA, RNA and the like can be realized, the microreactor has broaduniversality, large-scale industrial application is easy to realize, and the size and the shape of the microreactor for performing isolation on the biological macromolecules can be adjusted and controlled through the formwork.

The invention discloses a solar power generating battery alloy tile and a solar component. The solar power generating battery alloy tile comprises a side frame which is composed of a pair of rectangular pipe shaped first aluminum steel synthetic materials and a pair of rectangular pipe shaped second aluminum steel synthetic materials, and a photovoltaic plate and a heat isolating plate respectively fixed on the upper and lower sides of the side frame, wherein the first aluminum steel synthetic materials are respectively provided with two parallel clamping grooves along the length direction thereof; the second aluminum steel synthetic materials are respectively provided with two parallel clamping grooves along the length direction thereof; the clamping grooves of the first aluminum steel synthetic materials and the clamping grooves of the second aluminum steel synthetic materials clamp the photovoltaic plate and the heat isolating plate; the heat isolating plate is clamped between the pipe walls at the inner sides of the first aluminum steel synthetic materials or the second aluminum steel synthetic materials; the photovoltaic plate is clamped between the pipe walls at the outer sides of the first aluminum steel synthetic materials or the second aluminum steel synthetic materials; a bottom plate and a cover plate are respectively located on the two sides of the side frame which is composed of the first aluminum steel synthetic materials and the second aluminum steel synthetic materials.

The invention discloses a low-voltage control electric appliance for building electrical design and a fault detection method. The low-voltage control electric appliance comprises a low-voltage electric appliance cabinet shell, wherein a cabinet door is hinged to the front end of the low-voltage electric appliance cabinet shell; an air switch which is installed at the front end of the cabinet door, wherein a warning board is arranged below the air switch; an electric appliance installation bin which is installed in the low-voltage electric appliance cabinet shell, wherein clamping grooves which are evenly distributed at equal intervals are formed in the left wall and the right wall of the electric appliance installation bin, and an installation plate is arranged in the electric appliance installation bin. Compared with an existing device, the low-voltage control electric appliance for building electrical design and the fault detection method have the advantages that the low-voltage electric appliance elements can be mounted and placed in a classified manner through the arranged electric appliance mounting bin, the position of the mounting plate in the electric appliance mounting bin can be changed according to needs, a user can freely match the mounting plate, and meanwhile, the internal space of the electric appliance mounting bin is saved; and through holes are formed in the mounting plate, so that air can freely circulate, and the heat dissipation performance in the low-voltage electric appliance cabinet shell is improved.