64results about How to "Low working conditions" patented technology

The present invention discloses a quick three-dimensional sampling method for physical data of a building. The present invention adopts a miniature unmanned aircraft to load corresponding types of sensing devices, data recording devices and information returning devices, etc., so as to acquire the physical data (intensity of sound, audio, temperature, humidity, illuminance, light color, gas components, electromagnetic field intensity, air-ion concentration, radiation strength, etc.) and carry out round trip flight in space and continuously acquire the physical data at each point of the path, and position the miniature aircraft by a photogrametry technology. The method concretely comprises the steps of: selection of the miniature unmanned aircraft for indoor flight, selection of sensing devices or sensors for sampling the physical data of the building, establishment of a system synchronous clock, sampling of the physical data of the building and accurate spatial positioning for the sampling points by a close-range photogrammetry method. Since the aircraft is fast in moving speed and is not restricted by the ground movement condition, the isochronism of the data can be ensured even if the number of the spatial sampling is largely increased than that of the ground operations.

The present invention discloses a city domestic rubbish anaerobic schizolysis gasification processing apparatus and technical skill thereof, wherein the apparatus is composed by a rubbish storage hopper, a converting kiln, a compressor, an organic matter converting kiln and a sewage disposal system etc. The technical skill includes no exogenous source low energy consumption dispose and system secondary pollution control technique etc. Technical problems like system oxygen exhaust technology, domestic rubbish dehumidifying technology, flowing technology of solid material inside the system, heating technology during the process etc. are solved through the invention. Harmlessness and zero discharge, energy self-supply and basic energy source and substance recirculation in the process of production, social low cost input and facilitating operation of rubbish treatment, and every saving, exhaust reducing and material cycle in natural world can be realized.

The invention relates to an electrical installation tool, namely a strain-resistant tower drainage plate bolt tightener. The strain-resistant tower drainage plate bolt tightener is characterized in that a long and thin insulating rod (1) is arranged, a connecting rod (4) is hinged to the front end of the insulating rod (1) through a rotary shaft (3), the other end of the connecting rod (4) is fixedly connected with a socket wrench (5), and the socket wrench (5) is matched with an end cap of a drainage plate bolt and a nut. The strain-resistant tower drainage plate bolt tightener has the advantages that a maintainer can complete the drainage plate bolt tightening operation by holding the insulating rod by hand, buckling the socket wrench to the end of the drainage plate bolt and then pushing and pulling the insulating rod, so that high risk operation such as climbing and hanging is avoided, safety is achieved, labor is saved, and hot line work can be carried out. The strain-resistant tower drainage plate bolt tightener has the advantages of being simple in structure, low in manufacturing cost, convenient to carry and operate, low in requirement for operation conditions and the like and is expected to become a necessary tool in the industry.

The invention provides a five-degree-of-freedom robot tail end transmission mechanism which comprises two rotating joints and two servo motors. Rotating axis lines of the rotating joints are orthogonal, and the servo motors are parallelly mounted in the rear. The first servo motor decelerates through a harmonic reducer component and then transmits power to the first hollow rotating joint through a pair of straight gears, so that the first rotating joint rotates, the straight gears are of staggered tooth structures to eliminate a rotary clearance, the second servo motor drives a transmission shaft, the transmission shaft penetrates the first rotating joint and is coaxial with the first rotating joint, the second servo motor is orthogonally transmitted through a pair of bevel gears, then decelerates through a second harmonic reducer component and drives a tail end output shaft, and an axis of the second servo motor is parallel to that of the first servo motor. The transmission mechanism can compress space occupied by the tail end of a robot, so that the robot is compact in structure and accurate and reliable in transmission and has a wide rotating range.

The invention relates to a whole vehicle mass and road gradient estimation method which comprises the following steps: when the vehicle speed is smaller than a preset vehicle speed, adopting a presetproportion vehicle full-load value as a vehicle mass estimation value, and calculating the road gradient according to a vehicle longitudinal acceleration sensor measurement value and a vehicle acceleration calculation value; when the vehicle speed is larger than or equal to the preset vehicle speed, adopting the vehicle speed, the vehicle mass and deformation of road gradient as state variables, and the vehicle speed and the longitudinal acceleration as observed variables, establishing an extended Kalman state transition and observation equation, and estimating the vehicle mass and the road gradient according to an extended Kalman filtering formula. According to the whole vehicle mass and road gradient estimation method, when the vehicle mass and the road gradient are estimated, the gradient interval does not need to be set, the requirement for the working condition is low, and the method is suitable for heavy vehicles and various working conditions.

The invention discloses a vacuum connection system of a vacuum pipeline maglev train. The system comprises a transition cabin, a metal bellow and a butt joint frame, a sealed cabin door is arranged atthe front end of the transition cabin, the rear end of the transition cabin is connected with one end of the metal bellow, the other end of the metal bellow is connected with the butt joint frame, the butt joint frame is in butt joint with the maglev train, a telescopic passage is formed in the metal bellow, one end of the telescopic passage is connected with the butt joint frame, a telescopic passage sliding groove is formed in the bottom of the transition cabin, the other end of the telescopic passage is arranged in the telescopic passage sliding groove, an electric cylinder is connected between the transition cabin and the butt joint frame and drives the butt joint frame to move, and the metal bellow moves along the telescopic passage sliding groove along with the telescopic passage, and is used for flexible butt joint between the maglev train and a train station. Passengers can directly enter, energy consumption is low, butt joint speed is high, the efficiency of flight connectionis high, and there are no influences of working conditions of a vacuum pipeline.

The invention discloses a pulsating reciprocating type hydraulic pumping unit, which comprises a balanced type piston pump, a piston rod, a pulsating type piston pump, another pulsating type piston pump, an oil outlet valve, an oil filling valve and piston valve, a gas-liquid separator, a fluid replacement loop and a safe loop. The gas-liquid separator is arranged at the lower end of a pumping unit, the balanced piston pump is arranged at the middle part of the pumping unit, and the pulsating type piston pump is arranged at the upper end of the pumping unit. The pulsating reciprocating type hydraulic pumping unit disclosed by the invention has the characteristics of simple structure, convenience for operation, high efficiency, flexibility and strong applicability.

A magnetic liquid magnetic induction intensity sensor is suitable for magnetic induction intensity measurement. The sensor comprises a weak magnet (1), magnetic liquid (2), a magnetic field probe (3), a phase-shift light sensation displacement sensor (4), an analog-digital converter (5) and a display (6). In an initial state, the magnetic liquid (2) is located in the center of the bottom of the magnetic field probe (3) under the action of the weak magnet (1); after a magnetic field is applied, a peak is generated on the surface of the magnetic liquid (2), the larger the magnetic field intensity is, the higher the peak of the magnetic liquid (2) is, and the smaller the distance between the top of the peak of the magnetic liquid (2) and the light source of the phase-shift light sensation displacement sensor (4) is, so that the larger the output voltage signal is. In a certain range, a good linear relation exists between the input magnetic liquid (2) and the output voltage signal, and the requirements of engineering application can be met. The requirements for working conditions of the magnetic liquid magnetic induction intensity sensor is lower than that of a traditional sensor, the impact resistance and the vibration resistance are achieved, and the application range is wide.

The invention discloses a harmless domestic sludge pyrolysis and carbonization treatment technique. The technique includes pre-stage domestic sludge premixing and standing treatment, pre-dehydration, shaping, dehumidification, granulation, pre-reaction, pre-pyrolysis reaction, full carbonization reaction and other treatment processes, the completely reacted solid carbonized matter is discharged out of a system by a discharger, and is then collected and stored, the gas generated in sludge pyrolysis is separated by a gas condensation and separation system, the uncondensed flammable gas is guided into a gas holder and stored as heat source for the system, and the condensed gas is centrally treated by a reclaimed water system. The invention realizes purposes such as harmless and zero discharge in the process of production, energy self-sufficiency and low consumption in the process of production, resource and basic energy substance recycling, energy saving, discharge reduction and natural substance recycling, and has the advantages of easy operation, low investment cost, remarkable economic benefit, significant discharge reduction effect for the environment and the like.

The invention discloses a high concentration SO2 conversion acid making technology, and belongs to the technical field of sulfur recycling. The technology comprises the following steps that (1) O2 doped purified wet smoke enters a drying tower to be dehydrated, and then enters a pre-heating exchanger to be heated to preset temperature; (2) the heated purified smoke enters pre-converter catalyst layers to react, SO2 concentration drops by 7% when the smoke passes through each catalyst layer of the pre-converter, and the smoke temperature at the outlet layer is controlled to be lower than 620 DEG C for smoke with arbitrary SO2 concentration at apre-conversion inlet; and (3) the smoke coming out from the pre-converter is cooled to set temperature, first absorption acid making is conducted after the smoke enters a pre-absorption tower, and the smoke absorbing SO3 and with air being distributed enters a traditional SO2 conversion acid making system. The technology is simple, has low requirements on working conditions that equipment such as draught fans and converters need to adapt to, and is a high concentration SO2 conversion technology easy to achieve.

The invention relates to a manufacturing process of a helical wire type ceramic spring, and the process is as follows: slurry configuration, degassing, phase transformation molding, impregnation, drying, sintering and other steps, and the helical wire type ceramic spring can be prepared by a rope coiling effect-auxiliary phase transformation method. Compared with the prior art, the manufacturing process overcomes the shortcomings of high material consumption, high production cost and limited material applicable range of methods in the prior art, and the produced ceramic spring can be used for electrode insulation, heat insulation protection, high temperature spring parts and other various fields.

The invention relates to a sulfur oxide thiobacillus Acidithiobacillus thiooxidans ZJ-1 and an application thereof in heavy metal removal. The bacterial strain is preserved in the China Microbial Culture Preservation Management Committee General Microbiology Center, the preservation number is CGMCC No. 12387. The optimum growth temperature of the bacterial strain ZJ-1 is 28 DEG C, and the optimal growth pH value is 3.0. The bacterial strains can separate out the heavy metals in all kinds of wastes, can be used for the removal of heavy metals in all kinds of wastes and has an important function for preventing the secondary pollution of heavy metals.

The invention discloses a device for controlling DPF(diesel particulate filter)carbon-loaded capture and passive regeneration and a control method. The device comprises a NOx sensor, a DPF parallel assembly and a temperature sensor, wherein the NOx sensor is located on an upstream pipeline of the DPF parallel assembly, and the temperature sensor is located on a downstream pipeline of the DPF parallel assembly. The DPF parallel assembly comprises at least two sets of DPF pipelines arranged in parallel, each DPF pipeline comprises a DPF carrier, an air flow meter, a one-way valve, a differential pressure sensor and a resistance wire, and the resistance wire is located at the front end of each DPF carrier. By comparing each real-time measured numerical value with a threshold value set by the system, the one-way valves are controlled to switch waste gas to flow between the DPF carriers, and the resistance wires are controlled to start / stop heating. According to the carbon loading amount of each DPF, the flowing of waste gas among different DPFs is switched through the one-way valves, the DPFs are actively regenerated through the resistance wires, and the device has the advantages that the temperature controllability is high, the temperature rise is fast, and the over-temperature phenomenon is few.

The invention puts forward a double-random-phase multi-image parallel encryption no-noise recovery method based on a QR (Quick Response) code, and belongs to the field of optical encryption. A traditional double-random-phase multi-image parallel encryption method is characterized in that a decryption effect is seriously affected since a decryption image has a serious crosstalk noise problem due tothe interaction superposition of multi-image information. Certain existing methods used for noise reduction only can inhibit the crosstalk noise to a certain degree but can not remove the crosstalk noise. The principle architecture of the method is the same with the principle architecture of a traditional double-random-phase multi-image parallel encryption system. The difference is that the QR code is taken as a data container, the anti-noise ability of the QR code can be used for effectively eliminating the problem of the crosstalk noise, and the system exhibits better robustness.

The invention relates to a bolt fastened type ocean high-pressure reinforced thermoplastic pipe (RTP) connector. The bolt fastened type ocean high-pressure RTP connector is mainly composed of an inner dabber, an outer fastening sleeve and a taper locking sleeve arranged between the inner dabber and the outer fastening sleeve, wherein the inner dabber comprises a sealing flange, a connection shaft neck, a first fastening flange and an inner pipe sleeve; the outer fastening sleeve comprises a second fastening flange and an outer casing pipe with taper; the taper locking sleeve is composed of multiple clamping shaft pieces evenly distributed in the circumferential direction of a pipe body; the multiple clamping shaft pieces are arranged at intervals to form a ring; the clamping shaft pieces are wedge blocks with the thickness continuously decreasing in the axial direction; the inner surfaces of the wedge blocks are inward arc faces, the outer surfaces of the wedge blocks are conical faces, and the conical faces of the clamping shaft pieces are in contact fit with the inner conical face of the outer casing pipe and provided with multiple positioning grooves. The bolt fastened type ocean high-pressure RTP connector is convenient to disassemble and assemble, low in requirement for equipment and working conditions and capable of being reused, and saves the cost.

The invention discloses a variable-speed and constant-frequency power generation system based on a screw expander. The variable-speed and constant-frequency power generation system comprises the screw expander, a drive mechanism, an asynchronous generator, a four-quadrant frequency converter, a controller, a pressure feedback device and / or an output power feedback device, wherein an output shaft of the screw expander is connected with a rotor of the asynchronous generator through the drive mechanism; a power supply side of the four-quadrant frequency converter is connected with a power grid, and a motor side is connected with the asynchronous generator; an output end of the pressure feedback device and / or an output end of the output power feedback device are / is connected with an input end of the controller; an output end of the controller is connected with a signal input end of the four-quadrant frequency converter. The invention further discloses a variable-speed and constant-frequency power generation method based on the screw expander. The power generation system based on the screw expander can adapt to gas flow change under the condition that internal and external pressure ratios of the screw expander are not changed, the working efficiency is high, and high-efficiency power generation can be also realized when the gas flow is small.

The invention relates to a calibrator, in particular to a natural gamma ray calibrator or a natural gamma ray spectral calibrator. The technical proposal is as follows: the calibrator comprises an activity layer and an interlayer, wherein the activity layer is arranged in the interlayer. In order to solve the technical problems that the prior calibrator has inconvenient use, rigorous working condition, high cost and the like, the invention provides the calibrator which has the advantages of small volume, high safety, low requirements on the working condition, low cost, and long service life.

The invention discloses a multi-stage injection impact type turbine engine. The multi-stage injection impact type turbine engine comprises a plurality of turbine engine bodies which are connected with one another in series. A steam exhaust pipe of the previous stage of the turbine engine body in every two adjacent turbine engine bodies is connected with a nozzle of the next stage of the turbine engine body, the ends of rotation shafts of the every two adjacent turbine engine bodies are matched with each other to be connected, and a nozzle of the first stage of the turbine engine body is connected with a steam generator pipeline. The tail end of a rotation shaft of the last stage of the turbine engine body is connected with a spindle of an electric generator and drives the electric generator to generate electricity. The structure of a prime motor related in the multi-stage injection impact type turbine engine is compact and simple, occupied area can be made small easily, manufacturing cost is low, cost is reduced, complex working conditions can be adapted and working efficiency is improved.

An experiment system of virtual microwave technique is prepared as finalizing local area network-setting by connecting 30-40 sets of computers through exchange board and network, selecting one set of computer from them as server, erecting server version software of said system on selected computer and finalizing databank-setting on it, erecting client version software on all computers and finalizing client network end-setting on them, connecting said server to said client computers through exchange board and realizing call control between server software system and client software system through Guest account number of Windows operation system.

The invention relates to an imaging spectrum measuring device, in particular to the imaging spectrum measuring device detecting a space target. The technic proposal of the invention is that: the invention is the imaging spectrum measuring device, the device comprises a spectrum imaging camera and an optical path measuring compensating device connected with the spectrum imaging camera, the optical path measuring compensating device comprises a reflector and a deformable mirror DM, the deformable mirror DM is arranged on an incidence optical path of the spectrum imaging camera, the reflector is arranged on the incidence optical path of the deformable mirror DM. the invention aims at providing the imaging spectrum measuring device and solving the technical problems of bigger errors of the measuring caused by the atmospheric dithering and the atmospheric scattering, etc. in the background technology.

The invention discloses an industrial waste gas incineration treatment system. The system comprises a heat storage type thermal incinerator, an acid-alkaline adsorption mechanism, a buffering tank mechanism and an explosion-proof fan; a gas inlet of the acid-alkaline adsorption mechanism is connected with a waste gas source to be treated; a gas inlet of the buffering tank mechanism is connected with a gas outlet of the acid-alkaline adsorption mechanism. According to the system provided by the application, necessary countermeasures are taken against hazard factors in a using process of the heat storage type thermal incinerator, so that the overall treatment process is safe and reliable. The industrial waste gas incineration treatment system has the characteristics that the investment is low; the occupied area is small; the mounting period is short; the requirements on working conditions are low; waste gas can contain a plurality or organic components; the treatment air volume range islarge; the purifying rate is high; full-automatic control is realized; the operation is simple; the operating cost is low. The industrial waste gas incineration treatment system has good structural design and high-quality equipment configuration; the purposes of environment-friendly treatment of VOCs in industrial waste gas, energy conservation and emission reduction, and up-to-standard emission of exhaust are achieved.

The invention relates to a biosensor containing an allosteric transcription factor, and a kit and application of the same to micromolecular detection.

The invented method consists of two parts: laser beacon transmission and the beacon receiving. The corresponding device includes the laser beacon emitter and the beacon receiver. The beacon receiver is a Faraday effect device for filtering. The laser beacon emitter uses the frequency sweep type semiconductor laser beacon emitter. The invention has the advantages of low power consumption, high output efficiency, easy to realize large power, more narrow bandwidth, visual field extended to 3 times, as well as simple structure, high automation degree and reliable operation etc.

The invention provides a granular raw material granularity measurement system and method, electronic equipment and a storage medium. The measurement system comprises a calibration module, which is used for carrying out the calibration of the actual size of a sample based on a preset scale, and fixing intelligent equipment through a sampling box, wherein the sampling box is provided with an LED light source for controlling the brightness of a shot sample picture, and a hopper for placing granular raw materials and a vibration base for driving the hopper to vibrate to uniformly disperse the granular raw materials are arranged at the bottom of the sampling box; a preprocessing module which is used for carrying out binarization processing on the calibrated sample image; a segmentation module which is used for segmenting the preprocessed image into different connected regions; a granularity analysis module which is used for obtaining a scale parameter of at least one particle based on a preset scale and is used for obtaining a measurement result of the granular raw material based on the scale parameter of at least one particle. The system and method has the advantages of convenience in use, finer quantization granularity and the like, and provides convenience for introducing a digital image analysis and detection technology.

The invention discloses a method for preparing melonal by utilizing decarboxylation of 2,3-epoxy-3,7-dimethyl-6-octenic acid and relates to the technical field of fine chemical engineering. The method comprises the following steps: adding industrial grade white oil into a reaction kettle, and raising the temperature of the reaction kettle to a decarboxylic reaction temperature under vacuum conditions; continuously dripping a melonal precursor alpha,beta-epoxy acid aqueous solution into the reaction kettle at the same dripping speed, maintaining the temperature and reacting after dripping completion, enabling the melonal produced in the reaction to immediately realize azeotrope with water, cooling through a condenser pipe, collecting cooling liquid into a receiving tank, standing the cooling liquid collected in the receiving tank, performing water diversion so as to obtain the product melonal, and immediately discharging carbon dioxide produced in the reaction from the top of the condenser pipe. According to the method disclosed by the invention, the decarboxylic reaction is rapidly carried out in a manner of dripping the raw materials into the white oil heated to the decarboxylic reaction temperature, the heating time of the raw materials is reduced, and side reactions are avoided. Moreover, By virtue of a manner of simultaneously performing decarboxylic reaction and azeotropic distillation of the product, the melonal produced in the reaction is immediately separated out of the reaction system.

The invention relates to a laser welding gun which comprises a welding gun body and a galvanometer motor installed on the welding gun body, and the welding gun body is connected with a protective cover of the galvanometer motor. An air cooling assembly used for directly blowing and cooling the protective cover is installed on the protective cover, and heat dissipation assemblies are arranged on the welding gun body and the protective cover. The protective cover connected to the welding gun body can play a good role in protecting the galvanometer motor, return light heat received by the welding gun body is prevented from being transmitted to the galvanometer motor, the air cooling assembly is installed on the protective cover of the galvanometer motor, and the heat dissipation assembly is arranged on the welding gun body and the protective cover. And the overall heat dissipation effect of the laser welding gun can be enhanced.

The invention discloses a comprehensive energy saving method for distillation of liquor. Flash evaporation is carried out in order to recover heat energy in hot water after cold water condenses wine steam in the form of steam, the steam and secondary steam in a wine steamer are used for carrying out warming and supercharging through increasing enthalpy by phase transition and a stream ejector, in order to realize simultaneous high efficient recovery as well as warming and supercharging of low grade hot water heat energy and secondary steam heat energy, and realize the purpose of spot utilization. Compared with the traditional wine steaming system, the energy consumption is reduced by 30% or above, the system does not have power consumption and moving parts, the structure is simple, installation is simple, maintenance workload is small, and the method is very suitable for engineering needs. In the traditional liquor brewage process, except the wine distilling system with large energy consumption, hot water is extracted through flash evaporation in order to obtain steam, the steam passes through the phase transition enthalpy increasing system and the phase transition enthalpy increasing heat pump with steam spraying, the temperature and the pressure of the steam heat energy are increased and reach nearby the requirements for applications, and the problems of large energy consumption and unnecessary carbon emission caused by the energy consumption in the traditional liquor brewage process and the like are solved.

The invention provides an offshore fan prefabricated high pile bearing platform foundation structure. The offshore fan prefabricated high pile bearing platform foundation structure comprises a bearingplatform structure, upper pipe piles, lower pipe piles and steel structure joints; the bearing platform structure consists of a cylindrical section, and a conical transition section with the top as acircular table; the cylindrical section and the conical transition section are integrally molded; the conical transition section is positioned above the cylindrical section; multiple upper pipe pilesare provided; one ends are peripherally and uniformly fixed on the lower surface edge of the bearing platform structure, and the other ends are fixedly connected with the lower pipe piles through thesteel structure joints; and included angles between the upper pipe piles and a horizontal plane of the bearing platform structure are smaller than 90 degrees. In addition, the invention further provides an installation method of the offshore fan prefabricated high pile bearing platform foundation structure.

The invention discloses a flexible pressure sensor containing a CNT composite organic material, and relates to the field of flexible film sensors. The flexible pressure sensor comprises a first flexible substrate, a first electrode, an active sensing layer, a second electrode and a second flexible substrate from top to bottom, wherein the active sensing layer is located between the first flexible substrate and the second flexible substrate, the first electrode and the second electrode are respectively fixed on the first flexible substrate and the second flexible substrate, and the first electrode and the second electrode are in a cross mode; and the active sensing layer is made of multi-walled carbon nanotubes (CNT) and polymethyl methacrylate, and the active sensing layer is manufactured in an additive manufacturing mode. The invention also discloses a preparation method of the flexible pressure sensor. According to the invention, the high-temperature-resistant and high-pressure-resistant organic composite material is used for the active sensing layer, so that the preparation process and the printing process of the slurry are optimized, and the requirements on high-temperature-resistant, wide-range and high-precision pressure sensing in industry and consumer electronics are met.