68results about How to "Fast volume" patented technology

The invention discloses a food modeling and rapid detecting integration method and system adopting portable NIRS (near infrared spectroscopy). According to the method, the portable NIRS is secondarily developed under the windows system, a food detecting and calibrating model is established according to concentration reference values of component index parameters of a calibration set food sample as well as NIRS data, component parameters of a to-be-detected set sample food are detected by the calibrating model, and concentration detection values of to-be-detected components of unknown samples are obtained; an optimal detecting and calibrating model aiming at specific detected food objects can be obtained by adjusting model parameters. The integration system comprises a sample spectrum data collecting module, a sample spectrogram pre-processing module and a model establishment and evaluation analysis module. With the adoption of the method and the system, food components can be rapidly detected, according to the data characteristics of detected objects, the model can be established initiatively, the optimal parameters can be determined, the optimal model can be established, and accordingly, the detection precision of the model is improved.

A method for rendering a volumetric image includes providing a digitized volumetric image comprising a plurality of intensities corresponding to a domain of points in a 3-dimensional space, casting a ray through said volumetric image for a first pass to determine a threshold intensity for said ray, casting said ray through said volumetric image for a second pass, and sampling only those points whose intensity value is selected by said threshold intensity to determine a rendering value for said ray, wherein said rendering value is associated with a pixel from which said ray was cast.

The invention relates to a fiber grating rod force sensor and a using method thereof. The force sensor is characterized in that: rectangular hollow rectangular frames of two associated parallel girders smoothly move and are vertically and fixedly connected; a first fiber grating strain sensor is adhered to a plane of the first associated parallel girder parallel to the rectangular hollow rectangular frames; a second fiber grating strain sensor is adhered to a plane of the second associated parallel girder parallel to the rectangular hollow rectangular frames; and the first fiber grating strain sensor and the second fiber grating strain sensor are connected in series. The sensor has the characteristics of anti-electromagnetic interference, high precision, quick dynamic response, small volume, light weight, simple structure and the like, and also has reliability, stability and simpleness. In addition, the temperature self-compensating fiber grating rod force sensor has relatively low cost, is applied to narrow space, and is subjected to temperature compensation when measuring the stress of an elastic element.

The invention discloses a rapid cooling type aircraft ground air conditioning unit and a control method of the rapid cooling type aircraft ground air conditioning unit. The highest cooling speed and the largest cold quantity input improve the rapid cooling and cold supplying capacity of the aircraft ground air conditioning unit, processed fresh air with a certain flow, cleanliness, proper temperature and high hydrostatic pressure is provided rapidly for an aircraft, the fresh air is fed to a cabin of the aircraft through a special air feeding hose, the fastest and best cooling effect is achieved for the cabin of the aircraft which stops at an aircraft boarding bridge for a short time, physiological requirements of staff in the cabin of the aircraft are met, high comfort level is achieved, the cooling requirements of precision devices in the cabin are met, a comfortable environment is provided for the staff in the cabin and aircraft operators, the metal state of the aircraft operators is improved, and the safety of driving the aircraft is improved. Meanwhile, fuel consumption produced when the aircraft waits on the ground is reduced, the service life of a self-matched expensive air conditioning system of the aircraft is prolonged, the pollution to air environment of an airport is reduced, and high economic and social benefits are achieved.

The invention discloses a biomass boiler monitoring system which can monitor the charge and discharge in a real time manner. The biomass boiler monitoring system can ensure that only biomass fuel is used by the biomass boiler to avoid using fuel with high-pollution emission. The biomass boiler monitoring system comprises a biomass boiler body and a smoke evacuation passage (92). The biomass boiler body is equipped with a camera (10) for monitoring a feed port, and the smoke evacuation passage (92) is equipped with a gas induction monitor (20). The camera (10) and the gas induction monitor (20) are connected with a signal receiver (30), and the signal receiver (30) is connected with a signal recorder (40). The biomass boiler monitoring system can be widely applied to the boiler field.

The process of shifting long copper bar continuously and tin plating with jet flow includes passing the long copper bar through a miniature electroplating bath, and jetting plating solution to the copper bar in high speed upwards with jetting pipes for electroplating the four surfaces of the copper bar in continuous moving. The process has high homogeneity of plating solution and great allowed current density. The present invention has the advantages of low investment, simple operation, capacity of realizing complete plating and local plating, high plating quality, etc.

A method for rendering a volumetric image includes providing a digitized volumetric image comprising a plurality of intensities corresponding to a domain of points in a 3-dimensional space, casting a ray through said volumetric image for a first pass to determine a threshold intensity for said ray, casting said ray through said volumetric image for a second pass, and sampling only those points whose intensity value is selected by said threshold intensity to determine a rendering value for said ray, wherein said rendering value is associated with a pixel from which said ray was cast.

The invention discloses a method and a device for manufacturing surface porous heat transfer tubes. The method is characterized by comprising the following steps: a, carrying out pretreatment of removing dust and washing on the surface of base tubes; b, uniformly mixing metal powder, a pore-forming agent and an adhesive according to a set ratio to form metal powder adhesive coating; c, coating the surfaces of the base tubes with the metal powder adhesive coating, wherein the thickness of the coating is 0.15 to 0.85mm; and d, sintering through an induction coil heating device, enabling the base tubes coated with the metal powder adhesive coating to continuously pass through the induction coil, sintering the base tubes while the base tubes are being moved forward for 20 to 50 seconds, and cooling the base tubes to obtain the surface porous heat transfer tubes. The method and the device are fast in heating speed, low in energy consumption, and high in efficiency.

The invention relates to a hydrogen generator, specifically relates to a simple self-control pressure hydrogen generator, which comprises a fuel case(1) of a fuel inlet(2) and a catalytic reactor(6) fixedly arranged on the fuel case(1). An inner shell(3) in the fuel case separates the fuel case into two parts, namely, an inner chamber, i.e. a fuel reaction chamber(5) and an outer chamber, i.e. a fuel storing chamber(4); wherein, a gap is reserved between the bottom of the inner shell(3) and the bottom of the fuel case(1); moreover, the catalytic reactor(6) is positioned in the fuel reaction chamber(5) and can be removed, being convenient and quick to replace. The hydrogen generator provided by the invention has the advantages of simple structure, convenient operation, stable performance, self-control pressure and high safety, belonging to the hydrogen generator field for providing hydrogen to the fuel batteries.

The invention discloses a helicopter rotary steering engine and a helicopter. The helicopter rotary steering engine comprises a power source and a speed reduction output assembly. The helicopter rotary steering engine and the helicopter are compact in structure, small in size and convenient to mount and dismount; a circuit board is fixed at the bottom of the steering engine lower shell through a silica gel block that plays a role in buffering and protecting the circuit board, so that circuit pins are protected from being damaged, and heat dissipation of the circuit board is facilitated; the shell is made of an aluminum alloy material and light in weight, high in strength and rapid in heat dissipation; each group of gears are positioned by adopting double bearings, so that the whole movement is more stable and reliable, the noise is low, tooth surface meshing is increased, tooth surface abrasion is reduced, and the service life of the gear groups are prolonged; a motor and a potentiometer are arranged in parallel, so that the space is effectively shortened, the size of the shell is reduced, and the weight of the shell is reduced; and each pair of rolling bearings is directly embedded in the shell structure, the integrated design improves the strength, and the arrangement space is saved.

The heat exchanger as one accessory for boiler or steam condensating equipment includes casing, end caps with heat source end pipe and heat exchanger pipes, and flat heat source core pipes arranged in certain intervals inside the enclosure comprising the casing and the end caps. The heat source core pipes are connected to the heat exchange pipes and they are produced with metal section and through welding and punching. The heat exchanger has high heat load, high heat exchange rate, small volume, low cost and wide application range.

The invention discloses a rapid nondestructive detection system and method for the freshness of eggs and relates to the technical field of nondestructive detection of agricultural products. The rapidnondestructive detection method comprises the following steps: controlling a camera lens module to acquire an images of an egg to be detected by utilizing a single chip microcomputer, and carrying outimage processing analysis to obtain long-axis and short-axis data of the egg; calculating initial mass and volume of the egg through a corresponding mathematical model; meanwhile, measuring current egg weight of the egg through a weighing sensor; finally, importing initial density and current density of the egg into a formula and calculating to obtain the density loss rate of the egg. According to the rapid nondestructive detection system and method, disclosed by the invention, a multi-sensor fusion technology is utilized and rapid nondestructive detection of the freshness of the eggs can befinished; a plurality of models are used for calculating gradually; the models have good linearity and the detection accuracy is high; based on an embedded type system, the high-reliability, extendable and easy-to-upgrade system is simple in structure and low in cost and can be widely applied; the system is small in volume and is easy to carry, is applicable to multiple scenes and is easy to popularize.

The invention discloses a hydrogen leakage intelligent detection system based on a wireless sensing network, which comprises a hydrogen sensitive probe module, a wireless communication network module and a signal analysis processing module. The hydrogen sensitive probe module is connected with the signal analysis processing module through the wireless communication network module, after completing calibration, the hydrogen sensitive probe module makes filtering and modulation to a data signal, the wireless communication network module acquires and converses the analog data signal, makes processing according to the calibration result, makes judgment according to the processing result, transmits the processing result to a concourse center in a wireless way, and then transmits to a information analysis processing module. The hydrogen leakage intelligent detection system based on a wireless sensing network has the advantages of small size, low cost, convenient installation, strong anti-interference capability, quick response speed, and high safety.

The invention provides a three-degree-of-freedom motor with a double-stator structure, and relates to the field of deflection type motion motors. The motor comprises an outer stator, an inner stator and a rotor. Coil windings with variable turns are distributed on the inner stator and the outer stator, corresponding autorotation and deflection permanent magnets are distributed on the rotor, an output shaft and a fixed shaft are connected through an oil film and arranged in the center of the motor, and the output shaft further comprises a corresponding sensor capable of detecting the motion state and the motion speed of the rotor. The autorotation permanent magnets and the deflection permanent magnets are isolated through the magnetism isolating layers, and mutual interference between the permanent magnets is avoided to a great extent; the three-degree-of-freedom motor has the advantages of being simple in structure, small in size, sensitive in control, free of electromagnetic interference, convenient to control and the like, and is applied to the fields of medical detection, robot joints, factory workshop cutting, mechanical bionic eyes and the like.

The invention relates to the technical field of muffle furnaces, and discloses a muffle furnace. The muffle furnace comprises a lower heat insulating cover, an upper heat insulating cover and a crucible bracket, wherein a first heating trough is formed in the lower heat insulating cover, and resistance wires are arranged at the bottom of the first heating trough; the upper heat insulating cover isrotatably connected to the upper part of the lower heat insulating cover and is matched with the lower heat insulating cover for use, the upper heat insulating cover is provided with a second heatingtrough, and the second heating trough is matched with the first heating trough to form a heating cavity; and the crucible bracket is rotatably mounted on the lower heat insulating cover, the cruciblebracket is located in the heating cavity and is provided with a plurality of through holes for communicating the first heating trough with the second heating trough. According to the muffle furnace,the resistance wires are arranged at the bottom of the first heating trough, when an object to be heated is heated, a crucible containing the object to be heated is placed on the crucible bracket or the object to be heated is directly placed on the crucible bracket, and the heating speed is high. The muffle furnace is small in size and easy to carry, the upper opening design overcomes the technical prejudice in the prior art, the temperature in the muffle furnace can be reduced more quickly, the operation is more convenient, the crucible bracket is rotatable, so that the operation is safer.

The invention discloses a condensation device for rapidly cooling high-temperature smoke. The condensation device comprises a tank body. A fixed saddle device is installed below the tank body. Smoke inlet and outlet devices are installed at the two ends of the tank body. A dual water-cooling condensation device is installed in the tank body. A rapid assembly type condensate water tank device is arranged in each smoke inlet and outlet device. Smoke in cooling smoke pipes is cooled through heat absorption water pipes and spiral fins, cooling is conducted by making the outer side surfaces of thecooling smoke pipes make contact with water, the flow path of the high-temperature smoke is increased through the spiral fins, and therefore the high-temperature smoke can be rapidly and effectively cooled through the dual cooling manner; the maximum temperature difference decrease effect can be achieved through a condenser within the effective volume, and the condensation effect can be more powerful; and by means of circular water tanks which are rapidly detached and installed, the condenser can be rapidly repaired and cleaned.

The novel stepped hydraulic lift includes at least two hydraulic cylinders set on the bearing cage and at least two set of supports fitting the hydraulic cylinders, and the supports, guide tracks and power supply wires are set around the passage. It is superior owing to its stepped mode resulting in great elevation height with short stroke hydraulic cylinders and increased bearing capacity, and double channel and one-way network loop motion mode resulting in fast speed and great transport amount. It is suitable especially for high rise building and is safe, simple in structure and reliable, and has many other advantages.

The invention belongs to the technical field of sewage treatment and specifically relates to a sewage treatment machine. The sewage treatment machine comprises an outer barrel, an inner barrel and a drug barrel, wherein a water injection pipe, a drainage pipe and an interlayer are arranged between the outer barrel and the inner barrel; an upper-layer stirring rod, a middle-layer stirring part anda lower-layer stirring rod are arranged in the inner barrel; a water leaking net for supporting a floc is arranged at the bottom of the inner barrel; the drug barrel is communicated with the bottom ofthe interlayer; a drug injection port opening is formed in the drug barrel; a driving rod, a driven rod and a water drawing mechanism for drawing water in the interlayer into the inner barrel are arranged in the interlayer; a spiral rod is arranged at one end of the driving rod; a bevel gear I is arranged at the other end of the driving rod; a water wheel is also arranged on the driving rod; a bevel gear II, a driving gear, a first bevel gear pair and a second bevel gear pair are also arranged on the driven rod. According to the scheme, the stirring speed can be automatically reduced according to the generation of the floc in a coagulation process, and the coagulation process is simplified.

The invention belongs to the technical field of patch power components and relates to a heat conduction structure of the patch power components on a circuit board. A plurality of installation positions for installing the patch power components are arranged on the circuit board, a through hole which penetrates the circuit board is formed in each installation position for installing each patch power component on the circuit board, a patch power component is installed on each installation position on the circuit board, and each electrode slice of each patch power component is electrically connected with a corresponding circuit on the circuit board. The heat conduction structure of the patch power components on the circuit board has the advantages that heat generated by the patch power components in the process of working is transmitted to the wall of a shell instantly by means of insulation heat conduction liquid and then dissipated into the air by means of heat dissipation slices on the wall of the shell. The heat conduction structure of the patch power components on the circuit board is rapid in heat dissipation, small in size, little in used raw material, low in cost, low in failure rate, and long in service life.

Provided is a server rack that, with a compact structure, efficiently cools a server and safely prevents damage to the server by a liquid coolant. The server rack (100) cools a server with cold air, and comprises: a shelf board on which the server is placed; a plurality of columns that directly or indirectly support the shelf board; an air current generating fan that generates an air current between multiple shelf boards placed at an interval in the extension direction of the columns and in a direction along the shelf boards; and an air cooler that is placed integrally with the server rack on the upstream side of the air current, and that cools air with a coolant. The air cooler has a coolant path for circulating the coolant, and a liquefied gas (RF), which serves as the coolant, flows in from a coolant inlet positioned on one end of the coolant path, is sent through the coolant path while evaporating, and is discharged from a coolant outlet positioned on the other end of the coolant path.

The invention relates to an indoor and outdoor integrated combined positioning device and belongs to the technical field of positioning. With the indoor and outdoor integrated combined positioning device adopted, full-airspace coverage position information service can be provided for people. The indoor and outdoor integrated combined positioning device comprises a data acquisition module and a combined positioning module; the data acquisition module is used for acquiring magnetic field data, angular velocity data, acceleration data, wireless signal data, an air pressure altitude data magnetic field and satellite navigation data; and the combined positioning module is connected with the data acquisition module and is used for receiving the data acquired by the data acquisition module, judging whether a current positioning condition is in a room or not, and performing the positioning solving of people through inertial navigation positioning, magnetic field matching positioning, wireless positioning, air pressure altitude measurement and map constraint on the basis of a particle filter framework if the current positioning condition is in a room, and performing the positioning solving of the people through a combined positioning method including satellite positioning. With the system of the invention adopted, full-airspace coverage position information service can be provided for the people. The system is used for emergency rescue, safety management, positioning navigation and other scenes.

The invention discloses an N-channel M-bit integrated optical waveguide tunable delay line which is mainly applied to the field of a phase array radar. For aiming at problems of low delay precision, relatively large size, relatively large weight, low space utilization rate, low reconfigurability of a delay line and nontunable delay in the delay line, through cascading an MZI optical switch unit and a delay line unit for forming an M-bit tunable optical waveguide delay line, and changing a power which is applied to an optical switch electrode based on a thermo-optic effect, a phase relation between optical waves on two interference arms is changed, thereby realizing selection for different paths, selecting different delay line units, further selecting different delay time, making time delayprecision deltat reach a picosecond magnitude, and satisfying a requirement for higher and higher working frequency of the radar. Through adjusting length difference between an external arc waveguideand an inner arc waveguide of the delay line unit, the delaying amount is adjusted for realizing tunable delaying amount. The N-channel M-bit integrated optical waveguide tunable delay line satisfiesa requirement for higher and higher working frequency of the radar and furthermore has a wide application prospect.

The invention discloses a rear-stage pump control system and control method for a vacuum system. The rear-stage pump control system comprises a vacuum chamber, a rear-stage pump, a front-stage pump, an electric control valve, a vacuum sensor and a control unit, wherein a gas pumping port of the rear-stage pump communicates with the vacuum chamber, and a gas exhausting port of the rear-stage pump communicates with a gas pumping port of the front-stage pump through the electric control valve; and a signal input interface of the control unit is connected with the vacuum sensor and a built-in temperature sensor of the rear-stage pump, and a control output interface of the control unit is connected with a front-stage pump controller, a rear-stage pump controller and an input interface of an electric control valve controller. According to the rear-stage pump control system and control method for the vacuum system, by arranging the control unit, the front-stage pump and the rear-stage pump can be controlled to be started / stopped in real time conveniently, the rotating speed of the rear-stage pump can be adjusted conveniently, the vacuum degree of the vacuum chamber and the working temperature of the rear-stage pump are measured in time, the pumping speed of the rear-stage pump can be adjusted conveniently, the service life of the rear-stage pump is guaranteed, the working stability ofthe rear-stage pump is guaranteed, and power consumption is reduced; and the whole vacuum system has the advantages of being small in size and high in pumping speed, integration of the whole vacuum system is facilitated, and compared with a front-stage pump peripheral mode, the gas circuit structure is simplified.

The invention discloses a local packaging type comprehensive processing method and processing monitoring platform for garbage. By means of feeding, smashing, primary compressing, packaging compressing, sterilizing, disinfecting, deodorization and vacuumizing treatment of an integrated processing station, compressed blocky garbage is achieved, and then is transported away. In the process, automaticmonitoring of an Internet of Things is performed, and the loading amount of the garbage, the waste water liquid level, the environment temperature and the environment gas state are included. Comparedwith a traditional garbage processing manner, a current and traditional commodity garbage processing station can be replaced very easily and effectively, fast and comprehensive processing on the garbage is achieved, transporting pollution is avoided, and automatic monitoring can be effectively carried out.

The invention relates to the technical field of battery testing, and discloses a battery formation gas detection device and method. The battery formation gas detection device comprises a liquid storage device, a transparent bent pipe and a gas chromatography-mass spectrometer, wherein the transparent bent pipe is filled with liquid, one end of the transparent bent pipe is selectively communicatedwith an air outlet of a to-be-formed battery, the other end of the transparent bent pipe is communicated with the liquid storage device communicated with the atmosphere, and a pipe body between two ends of the transparent bent pipe is lower than any end of the transparent bent pipe; the gas chromatography-mass spectrometer is selectively communicated with one end, communicated with the air outletof the to-be-formed battery, of the transparent bent pipe; when the transparent bent pipe is communicated with the to-be-formed battery, the forming gas in the to-be-formed battery is conveyed into the transparent bent pipe, and part of liquid is pressed into the liquid storage device; when the gas chromatograph-mass spectrometer is communicated with the transparent bent pipe, liquid in the liquidstorage device flows back to the transparent bent pipe, so that the formed gas in the transparent bent pipe is pressed into the gas chromatograph-mass spectrometer, and the volume, the components andthe content of each component of the formed gas can be conveniently and quickly detected.

The invention discloses a special sunshine rose grape organic fertilizer and a preparation method thereof. The organic fertilizer comprises modified starch which is prepared from starch which is subjected to magnetization modification with chitosan and sodium salt. The preparation method of the organic fertilizer comprises the following steps: fermenting plant ash, livestock excrement and grape wine distillers' grains with EM (Effective Microorganism) bacteria, and drying so as to obtain a composted fertilizer; dissolving a nitrogen phosphorus and potassium fertilizer, a growth regulator, bamboo vinegar and trace elements with water, adding the composted fertilizer, kieselguhr, attapulgite, nicotinamide and crotonic anhydride, and pelletizing so as to obtain fertilizer granules; dissolvingstarch with water, heating to implement gelatinization, adding chitosan, sodium metasilicate and sodium pyrophosphate, and carrying out magnetization modification so as to obtain modified starch; spraying the modified starch on the fertilizer granules, and drying, thereby obtaining the special organic fertilizer. The special organic fertilizer disclosed by the invention is comprehensive in nutrition, reasonable in proportioning, good in slow release property, good in permeability, high in stability and large in granule density, and the preparation method is simple in process, good in operability, easy in raw material, low in cost, rapid in granule molding and high in finished product rate.

The invention belongs to the technical field of sewage treatment, and specifically relates to a sewage treatment process; a coagulation machine is used for coagulation treatment, and the coagulation machine includes an outer barrel, an inner barrel and a medicine barrel; a water injection pipe and a drainage pipe are arranged between the outer barrel and the inner barrel and the interlayer; the upper stirring rod, the middle stirring part and the lower stirring rod are arranged in the inner barrel, and the leaking net for supporting the floc is arranged at the bottom of the inner barrel; the active rod, the passive rod and the pumping mechanism are arranged in the interlayer; the active rod is equipped with Screw rod, bevel gear 1 and water wheel; bevel gear 2, driving gear, first bevel gear pair and second bevel gear pair are arranged on the passive rod. The coagulation treatment steps include: A, adding coagulant; B, water injection; C, pumping water; D, standing still; E, draining. This scheme can automatically reduce the stirring speed according to the generation of flocs in the coagulation process, and simplify the coagulation process.

The invention discloses an intelligent metasurface based on a latch, a control method of the intelligent metasurface and a controller, and belongs to the field of wireless communication. The structure of the control circuit board is improved, the improved control circuit board comprises a scanning line driving circuit and a plurality of latches, the scanning line driving circuit is used for gating the latches according to scanning signals after receiving the scanning signals sent by the controller, and the latches are used for outputting level signals to be loaded on the corresponding RIS units when being gated, and when the gate is not gated, keeping the latch state. The latch can stably latch the signal characteristic for a long time, the RIS unit is gated to correspond to the latch, the working state of the intelligent metasurface reflection unit is controlled, and due to the fact that the latch is small in area, high in speed and low in cost, the number of gates needed for completing the same function is smaller than that of a trigger, the intelligent metasurface is higher in integration degree, smaller in size and faster in response. Limited pins of the scanning drive circuit are connected with the controller, so that the controller with few IO ports can be selected, and the control cost is reduced.

A chassis internal connection structure for a server includes a casing having an accommodating space. A motherboard is arranged in a computation zone and includes a first central processor and a first connection port. A plurality of data processing units is arranged in a data link zone. A bus assembly includes a flexible bus cable and connectors. The connectors comprise a motherboard connector singularly arranged on one end of the flexible bus cable and data processing unit connectors arranged on another end thereof. The motherboard connector is electrically connected to the first connection port, and the data processing unit connectors are correspondingly connected to the data processing units respectively. The data processing units are connected to the first central processor via the bus assembly. Accordingly, the chassis internal connection structure is simplified.