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 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 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.

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 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 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.