33results about How to "Reduce usage load" patented technology

The invention relates to an accelerated data query method in a query system, which provides an accelerated data query method based on a cache of document system according to the features of unchanged saved historical data and frequent query of same data. The invention saves the historical query data and takes it as the cache data for query, so as to accelerate the query. Upon receiving the query quest from user, the system will first of all turn to the query analyzer; the principal function of the query analyzer is to analyze and plan the query condition; then, after passing through a document buffer, the system analyzes whether the data document in the result satisfies the present query need; if not, the query will be carried out in the database and the final result will be fed back to a data processor; then, the data processor will filter and sort the data according to the final query demand and finally feed back the result document to a super stratum application system. Therefore, without increasing the investment on hardware, this query method is able to greatly reduce the occupation of database and system resource, so as to improve the query speed.

Provided is a system and method for controlling overload in a telecommunications network. The network carries a traffic load that may exceed a maximum resource capacity and drive the network into an overload state. The method determines whether an overload state has occurred by comparing a current resource capacity to an overload onset threshold. If the threshold has been exceeded, the method blocks a certain percentage of traffic. An incrementally increasing percentage of traffic is blocked until the resource capacity crosses an overload abatement level. The method then incrementally decreases the percentage of blocked traffic until no traffic is blocked.

The invention aims to provide car ramp auxiliary braking method and device and an electric car, so that the effect of reducing the load of a braking system of a vehicle when the vehicle brakes on a ramp is achieved. The car ramp auxiliary braking method comprises the following steps of detecting whether the current working state of the vehicle meets a ramp auxiliary braking state or not; if the current working state of the vehicle meets the ramp auxiliary braking state, determining a first target demand braking torque for keeping the vehicle speed of the vehicle at the current real-time vehicle speed; and controlling the vehicle in performing motor braking and / or mechanical braking according to the first target demand braking torque.

The invention discloses a street lamp-based city haze treatment device and a treatment method. The treatment device comprises a plurality of treatment apparatuses; the treatment apparatuses each comprise a box body, an air supplying unit, a particle matter filtering unit and a sterilization unit, wherein the box body is erected on a lamp-post of a street lamp through a bracket, a lower part of one side is provided with an air inlet, and an upper end is provided with an air outlet; the air supplying unit is arranged at a lower part of an inner side of the box body, and an air intake end is corresponding to the air inlet; the particle matter filtering unit is arranged in the middle of the inner side of the box body, and the air intake end is corresponding to an air discharge end of the air supplying unit; the sterilization unit is arranged at an upper part of the inner side of the box body, the air intake end is corresponding to the air discharge end of the particle matter filtering unit, and the air discharge end is corresponding to the air outlet; and the treatment device further comprises an integrated controller, a power supply managing device and a ZigBee cloud control system, wherein the integrated controller is used for controlling a street lamp transformer circuit to supply power for a street lamp power supply circuit, and the power supply managing device is connected with the street lamp power supply circuit. By installing the treatment device on street lamps in the city, the fine particles in air close to the earth surface along the street are treated; meanwhile, the automobile exhaust pollution is reduced by a large margin, a healthy activity space is created for residents, and the harm caused by haze is reduced.

The invention discloses an automatic back-washing combination filter. The automatic back-washing combination filter comprises a filtration liquid inlet, a filtration liquid outlet, an oil transfer pump oil return and make-up device and a backwashing filtration device, wherein the oil transfer pump oil return and make-up device comprises a pneumatic three-way valve, a sump oil cavity, an oil tank, an air filter and an oil transfer pump; and the backwashing filtration device comprises a piston shaft, a movable valve disk, an oil distribution block, an upper turntable, a filter drum and a lower turntable. Compared with the prior art, the automatic back-washing combination filter disclosed by the invention has the advantages of reasonable structure, environmental protection, energy conservation, high automation degree and full-automatic operation in the use process, convenience for maintenance, high filter element strength, long service life, high filtration accuracy and stable system pressure, reduced production and maintenance costs; and unmanned supervision on a marine engine room, enough filtration capacity, continuous operation, automatic cleaning, impurity filtration is realized, and interconversion of multiple filtration manners are realized.

The invention discloses a novel automobile temperature step adjustment system. The technical problems that an automobile parked under conventional conditions is provided with no available effective temperature adjustment system, and the temperature in the automobile is too high are solved. The novel automobile temperature step adjustment system comprises phase-change cold storage systems arranged in an automobile. Each phase-change cold storage system comprises a cold storage cavity and a composite phase-change cold storage material arranged in the cold storage cavity. According to the novel automobile temperature step adjustment system adopting the technical scheme, in the process that the temperature rises after the automobile is parked, different positions in the space in the automobile are filled with the phase-change materials of different phase-change temperatures, each phase-change material generates phase changes and absorbs phase-change latent heat after the temperature in the automobile reaches the phase-change temperature of the corresponding phase-change material, and therefore the temperature in the automobile is reduced. The phase-change process can be maintained in the parking process through the temperature step distribution of the phase-change materials, the temperature in the automobile is effectively controlled, and a certain adjustment function is achieved on the indoor temperatures of automobiles parked in the open air at different environment temperatures in summer.

Provided is a flexible exoskeleton for arm rehabilitation training of patients with shoulder subluxation. The exoskeleton comprises an upper limb flexible binding device worn on the upper limbs of a human body, a power driving device for driving the movement of the upper limb flexible binding device and a transmission device connected between the power driving device and the upper limb flexible binding device, and the upper limb flexible binding device comprises a forearm sleeve, a rotator cuff and a cross binding strap. According to the wearable upper limb flexible exoskeleton robot, the positions of shoulder joints are fixed and corrected by flexible binding of the upper limbs, and the upper arm movement of the human body is driven to assist the patients with the shoulder subluxation totrain upper limb functions to improve the activity capability of daily living so that the upper limbs can conduct antexion and external extension actions.

The invention discloses a container longitudinal hatch coaming and torsion-resistant box integrated installation method which comprises the following steps that a steel plate is cut to take needed plates, and a hatch coaming assembly is assembled; the precision of the hatch coaming assembly is measured and adjusted; the hatch coaming assembly is welded to a torsion box in the upper jig frame assembling stage, so that hatch coaming and torsion box integrated sections are formed; each precision of the integrated section of the hatch coaming torsion box is measured, analyzed and adjusted; in the segment assembling stage, the precision of a block formed by segment assembling is measured and adjusted, the datum line of each segment in the block is analyzed, and the deviation of the datum line is corrected; the datum line is matched with a dock grid line; and then each precision of the whole cabin is measured and adjusted. According to the invention, the use load of the crane is greatly reduced, and the construction period in the ship dock is shortened; and each precision is measured and is ensured to be within a standard tolerance range, so that the level of ship construction design is improved.

The invention discloses an automobile secondary air pump driven by exhaust. The automobile secondary air pump comprises a pump body, a driving impeller, a transmission shaft, an air inlet impeller and an air inlet pipeline, wherein one side of the pump body is provided with a driving cavity, and the other side of the pump body is provided with an air inlet chamber; the front and rear ends of the driving cavity are provided with connectors connected with an exhaust pipeline; the driving impeller is arranged in the driving cavity by virtue of the transmission shaft, and the other end of the transmission shaft extends into the air inlet chamber; the air inlet impeller is arranged at the other end of the transmission shaft; the air inlet pipeline is connected with the air outlet of the air inlet chamber, and the other end of the air inlet pipeline is provided with a connector connected with the exhaust pipeline; the air pump is capable of driving the impeller to rotate by virtue of an exhaust driving force on a vent pipe of an automobile so as to realize an air blowing effect without using an automobile battery power supply, effectively reducing the use load of the automobile battery and improving the waste gas utilization ratio, and is relatively good in economical efficiency and energy conservation and quite good in use effect.

The invention discloses a copper plate automatic feeding line which comprises a copper plate conveying line (1), a feed car (2), a copper plate feeder (4) and a feed forklift (3). The copper plate conveying line (1) can horizontally convey copper plates (5) to the feed car (2), and the feed car (2) can move to a conveying line (6). The feed forklift (3) can fork the copper plates (5) located on the feed car (2) on the conveying line (6) and move the copper plates (5) to the copper plate feeder (4). The copper plate feeder (4) comprises a third conveying mechanism (41), and the third conveyingmechanism (41) can horizontally move the copper plates (5) on the third conveying mechanism (41) and dump the copper plates (5) into a hopper (70) of a smelting furnace (7). By means of the copper plate automatic feeding line, the copper plates on the copper plate automatic feeding line can be automatically conveyed into the hopper, the use loads of the forklift are reduced, and the production efficiency and the automation degree of feeding are improved.

The invention provides a feed delivery management method based on internet of things equipment, which relates to the technical field of aquaculture. The feed delivery management method based on internet of things equipment comprises the following steps: S1, generating the delivery area information, and setting the feed at the feed barrel inlet; S2: allowing the feed to enter the feed barrel, and stirring the feed in the feed barrel by a stirring controller; 3, judging whether that stir concentration of the feed reaches a predetermined concentration value, and if the stirring concentration of the fee reaches the predetermined concentration value, the feeding controller controlling the feeding of the feed, and executing the step S4; otherwise, the step S2 is continued; S4, sending a deliverysignal to the motion control by a sending controller; S5: moving to another delivery area, and executing step S2. The feed delivery management method based on Internet of things features that that feeding area and the fee amount are accurately controlled, manual feeding is not required, the feed delivery operation for various aquatic products can be carried out, and the use load is small and theuse time is long. The feed delivery management method is simple and practical.

The invention discloses a gas inlet and exhaust treatment system capable of achieving low emission of an internal combustion engine, and relates to the technical field of internal combustion engines. The technical problem that tail gas of the internal combustion engine contains a large amount of harmful gas and carbon cigarette pellet pollutants, the system comprises an inert gas storage tank, an oxygen storage tank, an oxygen generator, a black carbon combustion device and a mixer, the output end of the inert gas storage tank, the output end of the oxygen storage tank and the oxygen output end of the oxygen generator are connected to the same gas supply pipe, the gas supply pipe is connected to a gas inlet pipe of the internal combustion engine, the mixer is arranged on the gas supply pipe, the black carbon combustion device is connected to an exhaust pipe of internal combustion engine through a first tail gas pipe, a fifth control valve is arranged on the first tail gas pipe between the black carbon combustion device and the exhaust pipe, the fifth control valve is connected to the input end of the mixer through a second tail gas pipe, the oxygen output end of the oxygen generator is connected to the input end of the black carbon combustion device through a first blowdown pipe, and a sixth control valve is arranged on the first blowdown pipe.

The invention discloses an air inlet and exhaust treatment system of a low-emission internal combustion engine, and relates to the technical field of internal combustion engines. The technical problem that tail gas of the internal combustion engine contains a large amount of harmful gas and soot particulate pollutants is solved. The system comprises an inert gas storage tank, an oxygen storage tank, an oxygen generator, a black carbon combustion device, a fuel tank and a mixer, wherein the inert gas storage tank, the oxygen storage tank and the oxygen generator are connected to the same gas supply pipe; the gas supply pipe is connected with a gas inlet pipe; the mixer is located on the gas supply pipe; the black carbon combustion device is connected with an exhaust pipe through a first tail gas pipe; a fifth control valve is arranged on the first tail gas pipe and connected with the mixer through a second tail gas pipe; the oxygen generator is connected with the black carbon combustion device through a first gas supplementing pipe; a sixth control valve is arranged on the first gas supplementing pipe; the fuel tank is connected with the black carbon combustion device through a fuel pipe; and a fuel pump and a seventh control valve are sequentially arranged on the fuel pipe from the fuel tank to the black carbon combustion device.

The invention discloses a novel magnetic ring device, which comprises a drum grating gear in a magnetic adsorption tank. One side of the upper end of the drum grating gear is in meshed connection witha transmission gear, and the transmission gear is in rotational connection with a variable-frequency motor through a rotating shaft. A steel-structure mud bucket is fixedly connected to the lower endof the magnetic adsorption tank, the lower end of the steel-structure mud bucket is provided with a second mud outlet hole, a third conveying pipe is fixedly connected to the second mud outlet hole,and the other end of the third conveying pipe is communicated with a magnetic recovery device. By the steel-structure mud bucket arranged below the drum grating gear, part of sludge containing less magnetic powder and high-specific gravity sludge can be settled to relieve service load of the drum grating gear, and accordingly mud leakage and magnetism leakage due to magnetic sludge floccule scattering caused by rotation of the drum grating gear can be avoided; accumulation of magnetic powder and sludge in long-term operation is reduced, the magnetic powder utilization rate is increased, and equipment utilization efficiency is improved; by settling of bottom operating fine granular solid and unwrapped magnetic sludge, treatment capacity is increased, and inflow load is increased.

The invention relates to a method for removing heavier gas components formed by reaction of an oxidative dehydrogenation-producing butadiene device. First, the reaction gas is cooled (0 to 3° C.) to partially condense it, and a crude butadiene rectifying tower is used to condense it down. The heavy components such as benzene and toluene are removed from the liquid phase of the gas, and the uncondensed gas phase re-enters the oil absorption and desorption process to recover the remaining butadiene products. Compared with the prior art, the crude butadiene in the present invention is extracted from the top of the crude butadiene rectifying tower and the side line of the desorption tower respectively, and the crude butadiene obtained at the two places is mixed and then enters the subsequent butadiene. Extraction unit, the reaction generated gas to remove heavy components such as benzene and toluene can reduce the pollution of circulating absorbing oil, reduce the regeneration ratio of absorbing oil and the addition of fresh absorbing oil.

The invention discloses an auxiliary fixing mechanism for a cantilever stand column of a gantry crane. The auxiliary fixing mechanism comprises a crane body and a cantilever, wherein one end, away from the crane body, of the cantilever is fixedly equipped with a hoisting mechanism; the bottom end of the crane body is fixedly equipped with four supporting frames; and the bottoms of the supporting frames are provided with travelling cars. According to the auxiliary fixing mechanism disclosed by the invention, a first mounting frame, a first connecting rod, a supporting rod, a hydraulic telescopic pole, a second mounting frame, a second connecting rod and a supporting table are arranged, so that while the supporting rod works to shrink inwards, the supporting rod is movably hinged with the first connecting rod and the second connecting rod through a rotary shaft, and the first connecting rod and the second connecting frame are driven to move downwards towards one end away from the supporting frame while the supporting rod shrinks inwards, and therefore, the supporting rod moves downwards to fit to ground, the contact area between the device and ground is increased, auxiliary supporting is achieved on the supporting frames, and the stand column of the device is supported.

The invention belongs to the technical field of converter flue gas waste heat utilization, and relates to a converter gas waste heat utilization system and method. The system comprises a flue gas cooler connected with a vaporization smoke hood, a coal gas dehydrator connected with a dust removal system, a flue gas-water heat exchanger arranged between the flue gas cooler and the coal gas dehydrator and communicating with the flue gas cooler and the coal gas dehydrator through gas paths correspondingly, and a lithium bromide unit communicating with a water path of the flue gas-water heat exchanger, wherein the lithium bromide unit is further connected with a cold load user and a heat load user. According to the system, the temperature behind the flue gas cooler is utilized, hot water with the constant pressure of 130 DEG C or above is formed to serve as a driving heat source of the lithium bromide unit, and coal gas is further cooled; and meanwhile, the latent heat of water vapor in thecoal gas is utilized to primarily dehydrate the coal gas, so that the use load of the coal gas dehydrator is reduced.

The invention provides a domestic sewage treatment system for ships, which includes a regulating tank and an anoxic pond, wherein the regulating pond is connected with the hull drainage system, the upper part of the regulating pond is provided with a preliminary filter, the bottom of the regulating pond is provided with a first pump body, and the second A pump body is connected with the mechanical grille, and the outlet of the mechanical grille is connected with the anoxic tank through a connecting pipe. There are several mixing gas pipes at the bottom of the anoxic tank, and an auxiliary material adding mechanism is installed at the top of the anoxic tank. An overflow tank is provided on the side, and is connected with the membrane bioreaction tank through the overflow tank. A membrane reaction mechanism is arranged in the membrane bioreaction tank, and a blower mechanism is arranged above the membrane reaction mechanism. This solution greatly reduces the usage load of fresh water resources on board and effectively saves resources.

The invention relates to the technical field of engines and discloses a series-parallel engine and a control method thereof. The engine comprises an engine body, an internal combustion engine, a driving shaft, a driven shaft, a transmission belt, a clutch and a motor, wherein the internal combustion engine is arranged in the engine main body; the driving shaft is arranged in the engine body and connected with the power output end of the internal combustion engine; he driven shaft is arranged in the engine main body and is opposite to the driving shaft; the driving belt is connected with the driving shaft and the driven shaft; the clutch is arranged on one side of the driven shaft and used for controlling the transmission belt to be separated from or connected with the driven shaft; a poweroutput end of the motor is connected with the driven shaft and used for driving the driven shaft to rotate. The engine is advantaged in that a transmission belt is adopted to replace a traditional CVT speed change system, transmission efficiency is improved, and production cost is reduced; meanwhile, the structure is simpler, the size is smaller, and requirements of a motorcycle power system aremet.

The invention discloses a staggered construction method for external attachment floor type tower cranes of a super high-rise building structure. The staggered construction method comprises the following steps: 1, mounting and positioning the double floor type tower cranes; 2, attaching a first tower crane of the first floor type tower crane on a wall; 3, jacking the first floor type tower crane; 4, hoisting a core cylinder; 5, constructing a steel-structure outer framework and attaching a second tower crane of the second floor type tower crane on the wall; 6, jacking the second floor type tower crane; 7, lifting the core cylinder again; 8, constructing the steel-structure outer framework again; 9, taking a (N+2Q)th layer of the steel-structure outer framework as an Nth layer structure of the steel-structure outer framework and circulating step 2. According to the staggered construction method disclosed by the invention, two sets of the common floor type tower cranes are distributed onan external wall of a building in a manner of staggering up and down and are used for carrying out alternating jacking construction, so that the engineering investment of construction units is reduced; the staggered construction method is not restricted by regional power supply of regions, is economical and reasonable and is convenient and safe to mount and dismount; a building technological levelof super high-rise buildings is promoted and reference and evidence are provided for construction of similar buildings in the industry.

The invention discloses a UWB-based intelligent wearable device use method and an intelligent wearable device, and the method comprises the following steps: when team formation is started, an invitation is sent by default; when an invitation smaller than the own number is received, the invitation is stopped, and the opposite side is taken as a group leader; when an invitation smaller than the current group leader is received, the smaller group leader is used as the group leader; replying the invitation after receiving the invitation of the group leader; a display module, an embedded controller module, a heart rate monitoring module, a timing module, a step counting module, a physical ability detection module, a Bluetooth module, a GPS module, a UWB module, an antenna module, an alcohol detection module, an air quality detection module, a GSR detection module, an ECG detection module and a body temperature detection module are sequentially arranged in a wrist-worn shell. Personalized services matched with user requirements can be provided, and the functions of the wearable device are enriched; and various body functions of the wearer can be accurately obtained, so that the game progress can be reasonably arranged.

The invention relates to a method and a device for capturing complex smoke on the surface of a smelting pot. The method comprises the following steps: arranging a cover on an edge opening of the smelting pot to cover the edge opening, and forming an opening for a stirring shaft to enter and exit in the center of the cover top; the cover top is provided with a plurality of flap plates and a flue gas pipeline connected with a dust collecting system, and the movable cover plate can be opened and closed, so that the requirements of feeding, slag salvaging and observation of the smelting pot are met, and meanwhile, the flue gas is prevented from leaking; an automatic reset feeding flap plate is arranged at the connecting position of the rear end of the cover cap and the feeding device, the flap plate is pushed open during feeding, automatic reset closing is achieved after feeding, and it is guaranteed that smoke does not leak out. The cover top of the device is divided into a feeding melting area, a stirring operation area, a flue gas collecting area and a feeding and slag salvaging operation area which are respectively provided with a feeding loose blade, a sealing loose blade, a flue connected with a dust collecting system and a slag salvaging loose blade. The method and the device provided by the invention are easy to manufacture and install, simple and convenient to operate, and capable of fully capturing flue gas to ensure normal operation of a dust collection system without influencing normal implementation of various operations of a pot surface platform.

The invention discloses a ship steam boiler, and relates to the technical field of ship fittings. A heater is arranged in a boiler body; a temperature controller is arranged out of the boiler body; the side wall of the boiler body is connected with a cold water inlet; a hot water outlet and a steam outlet are formed in the upper end of the boiler body; and a leakage valve is arranged at the lower end of the boiler body. The ship steam boiler further comprises a reflux pipe and a water quality filter; one end of the reflux pipe is connected with the hot water outlet, and the other end is connected with the side wall of the boiler body; the water quality filter is arranged on the cold water inlet; and a semipermeable membrane is arranged in the water quality filter. The ship steam boiler can provide a filter effect for cold water used in the boiler, greatly protects equipment in the boiler from being corroded by seawater, prolongs the service life, and is higher in practicability.

The invention discloses an intelligent packaging type movable toilet. The intelligent packaging type movable toilet comprises a collecting base, a toilet body, an exhaust fan and an air filtering device, wherein the toilet body is fixed to the upper end surface of the collecting base, and an inner cavity A and a through hole A are formed in the collecting base; and an opening and closing door, aninner cavity B, a groove B, a through hole B, a water inlet pipe, a water outlet pipe A and a water outlet pipe B are arranged on the toilet body, the exhaust fan is fixed in the through hole B, the air filtering device is located in the groove B of the toilet body, and an exhaust pipe of the exhaust fan communicates with the air filtering device. According to the movable toilet, a toilet shell isarranged to be a water storage tank, the use load of the toilet is reduced while the use space of the movable toilet is saved, besides, air in the toilet is pumped out through the air filtering device, and the surrounding environment of the movable toilet is purified.