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.

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 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 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 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.

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 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.

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.