56results about How to "Realize quantitative adjustment" patented technology

The invention discloses a light attenuation device capable of continuously adjusting the light intensity. The light attenuation device includes a light source, two or more than two integrating spheres; wherein each integrating sphere is provided with a light inlet hole and a light outlet hole, the integrating spheres are in sequential cascade connection,i.e., the light output hole of the previous integrating sphere is connected to the light inlet hole of the next integrating sphere, each connection position between the two integrating spheres which are in sequential cascade connection, is provided with an electronic changeable diaphragm which is used for adjusting the radiation flux of light entering the integrating spheres and light emitted from the integrating spheres. The light attenuation device capable of continuously adjusting the light intensity can achieve sectionally continuous attenuation and quantitative adjustment of the light intensity, the attenuated light intensity is uniformly distributed, and the adjustment range of the attenuation coefficient is wide; the light attenuation device capable of continuously adjusting the light intensity can be applied to a light attenuator capable of widely, continuously and quantitatively adjusting the light intensity, or can be applied to light detection sensitivity detection of a device or equipment, light source radiant quantity and color measurement, spectral characteristic analysis, and the like.

The invention relates to a device and a method for automatically eliminating shortage of lap joint / excessive accumulation phenomenon in low-temperature deposition manufacture. The device comprises a rapid air inflation and deflation feeding device part and a control part, wherein the rapid air inflation and deflation feeding device part comprises a voltage stabilizing source device, an air pressure adjusting device, an air pressure detection device and a storage device; the regulator source device consists of an air compression part and a corresponding pressure regulating valve; the air pressure adjusting device is formed by connecting an inflation valve and an exhaust valve; the air pressure detection device is formed by a sensor connected at a charging barrel inlet in the storage device; the storage device is formed by sequentially connecting a feeding electromagnetic valve and a nozzle by a charging barrel; and an output hole of the regulator source device is connected with an input hole of the air pressure adjusting device. After the device and the method are adopted, the pressure can be rapidly and quantificationally adjusted according to the need, so that the response lag of the fluid flow velocity to the pressure change can be effectively compensated, and the phenomena of excessive accumulation and shortage of lap joint caused in the low-temperature deposition manufacture process can be effectively overcome.

The invention relates to an experimental bed capable of automatically controlling system mechanical properties. The experimental bed comprises a mattress and a bedstead, wherein the mattress consists of a bed core, a fabric composite layer (11), a latex foam bedding layer (12) and a spring substrate plate (15), and the bed core consists of evenly arranged independent bagged springs (13); the bagged springs (13) are independently and fixedly arranged on the spring substrate plate (15) and are provided with linear displacement transducers (14), and the mattress is provided with an adjustable comfort region (8) capable of detecting the morphological changes in human spine; the spring substrate plate consists of a plurality of independent small substrate plates, and each small substrate plate is used for supporting two horizontal rows of independent bagged springs (13); and a linear permanent magnet reciprocating motor (21) is respectively arranged under each small substrate plate. The bagged spring compression amount information collected by an information collector is transmitted to a data processor to obtain the human-bed interface indentation amount. The quantitative research on the human-bed interface shape and pressure in real sleeping and natural prone position states is realized.

The invention relates to the field of blast furnace production. In a method for quantizing and adjusting the edge airflow of a blast furnace, problems existing in the operation of the blast furnace are analyzed by virtue of the relationship between a model calculation result and furnace condition parameters, a distribution mode is optimized, distribution parameters are quantized, the charge systemadjustment of the blast furnace is guided, and blast furnace production is promoted. According to the method disclosed by the invention, a coke load index, a platform width and the like of each areaof the blast furnace are calculated on the basis of the distribution mechanism of the blast furnace; the relationship between the distribution model calculation result and the edge airflow of the blast furnace is obtained in combination with production practice; and a method for quantizing and adjusting edge airflow is disclosed.

The invention discloses a pharmaceutical particle packing machine, and solves the technical problems that new quantification cannot be reset after a packing machine is quantified, particles are easy to cake, and the like. The pharmaceutical particle packing machine comprises a support, and further comprises a feeding hopper, wherein the feeding hopper is arranged on the top of the support; a storage and screening mechanism are arranged below the feeding hopper; a discharging hopper is arranged below the storage and screening mechanism; the discharging hopper is fixedly connected to the support; a first adjusting mechanism is arranged at the right end of the lower portion of a discharging opening of the discharging hopper; a second adjusting mechanism is arranged below the first adjusting mechanism; a conveying mechanism is arranged on the left side of the lower portion of the discharging opening; and the lower end of the conveying mechanism is fixedly connected with the bottom surfaceof the support. A screen is arranged in the storage and screening mechanism and is used for screening caked particles, and meanwhile, by cooperation of the first adjusting mechanism and the second adjusting mechanism, different quantities of particles are quantified.

The invention relates to an experimental device and method for researching a thermo-acoustic instability longitudinal and tangential modal coupling mechanism. The experimental device and method are used for researching thermo-acoustic instability modal coupling phenomena of combustion systems such as aerospace engines and ground gas turbines. The device is mainly an electric heating single-heat-source cross-shaped combustion chamber with a variable combustion chamber structure size, longitudinal and tangential mode coupling thermo-acoustic instability which simultaneously exists in a real engine is simulated, and heat source power and flow velocity control is facilitated. The longitudinal and tangential lengths of the combustion chamber may be achieved by modularly increasing or decreasing the number of tube segments and changing the position of the piston within the tangential tube, thereby achieving thermo-acoustic instability of longitudinal and tangential modal coupling at different resonant frequencies. Herein, quick response thermocouple and a pressure sensor are used in an experiment to obtain temperature data and sound pressure signals. By combining analysis methods such as power spectral density calculation, signal filtering, short-time Fourier transform and signal reconstruction, the characteristics and mechanism of thermo-acoustic unstable longitudinal and tangential mode coupling under different combustion chamber structures and sizes, different heat source powers and different air average flow rates can be researched. The experimental device is low in cost and simple in structure, and facilitates understanding and utilization of the thermo-acoustic unstable mode coupling phenomenon.

The invention provides an integrated system of an annular visual field, wherein a common main optical system, and independent subsequent elements and receiving devices are utilized, and three independent modules, namely a high-resolution imaging module, a multibeam laser echo detecting module and an atmosphere echo detecting module. The high-resolution imaging module realizes a visible light multispectral high-resolution imaging function. The multibeam laser echo detecting module realizes a five-beam laser echo receiving function. The atmosphere echo detecting module realizes an atmosphere echo receiving function. Three channels form the annular visual field through reasonable laying. The optical system according to the invention has advantages of high ray machine structure integration degree, high resolution, small size, small weight, etc. Furthermore the integrated system realizes functions of high resolution and high-precision distance measuring to large-area ground objects, cloud aerosol detection and three-dimensional plotting.

The invention discloses an inkjet printing head mechanism, inkjet printing equipment and an ink droplet ejection angle correction method. The inkjet printing head mechanism comprises an inkjet head and a temperature control part, wherein the inkjet head is provided with an inkjet cavity and a nozzle communicated with the inkjet cavity, and the temperature control part is arranged at the position,close to the nozzle, of the inkjet head and is configured to form a temperature difference between the front end position and the rear end position of the nozzle in the printing direction. The inkjetprinting head mechanism can quantitatively correct the emitting angle of ink droplets, so that the inkjet printing precision is improved. The inkjet printing equipment comprises a printing equipment main body and the inkjet printing head mechanism, wherein the inkjet printing head mechanism is arranged on the printing equipment main body. The ink droplet ejection angle correction method is simple,and high in adjustment accuracy.

The invention discloses a light attenuation device capable of continuously adjusting the light intensity. The light attenuation device includes a light source, two or more than two integrating spheres; wherein each integrating sphere is provided with a light inlet hole and a light outlet hole, the integrating spheres are in sequential cascade connection,i.e., the light output hole of the previous integrating sphere is connected to the light inlet hole of the next integrating sphere, each connection position between the two integrating spheres which are in sequential cascade connection, is provided with an electronic changeable diaphragm which is used for adjusting the radiation flux of light entering the integrating spheres and light emitted from the integrating spheres. The light attenuation device capable of continuously adjusting the light intensity can achieve sectionally continuous attenuation and quantitative adjustment of the light intensity, the attenuated light intensity is uniformly distributed, and the adjustment range of the attenuation coefficient is wide; the light attenuation device capable of continuously adjusting the light intensity can be applied to a light attenuator capable of widely, continuously and quantitatively adjusting the light intensity, or can be applied to light detection sensitivity detection of a device or equipment, light source radiant quantity and color measurement, spectral characteristic analysis, and the like.

The invention belongs to the field of electromagnetism incremental forming, and discloses a multi-coil coupling non-mold electromagnetism incremental forming device and method. The method comprises the steps that (a) the non-mold electromagnetism incremental forming device is provided, and the device comprises a plurality of form-wound coils and a plurality of upper and lower built-in coils; (b) afinite element model of the non-mold electromagnetism incremental forming device is constructed to simulate an electromagnetism incremental process of to-be-formed board materials, so that simulationparameters of simulated forming parts and simulation parameters of the form-wound coils and built-in coils in the finite element model are acquired; (c) the to-be-formed board materials are placed among the built-in coils, according to the simulation parameters obtained in the step (b), corresponding parameters are set to achieve compression and electromagnetism incremental forming of the to-be-formed board materials, therefore a preforming part is acquired; (d) the form-wound coils at the upper and lower sides are selected from all the form-wound coils, so that the forming coils move along the forming hook face of the preforming part to carry out shaping. By adopting the method, the forming device has light weight, and the acquired part is good in the surface quality and high in formingaccuracy.

The invention discloses a double-foot driving non-resonant piezoelectric linear motor and an electric excitation method. The motor comprises a stator, a linear guide rail, a ball sliding table, a pre-pressure mechanism and a base, wherein the stator is mainly composed of four rhombic flexible frames and four laminated piezoelectric ceramic groups which are installed in the flexible frames in a one-to-one correspondence mode in the specific direction, the stator is located between the linear guide rail and the pre-pressure mechanism, keeps in contact with the front end face of an upper slidingblock of the linear guide rail under the pre-pressure effect of the pre-pressure mechanism and enables the piezoelectric linear motor to be powered off and self-locked. According to the invention, thestator is of an integrated symmetrical structure, so that it is convenient to process and assemble, the processing error of the stator has little influence on the precision of the motor, a good contact state between double driving feet of the stator and the linear guide rail can be better ensured, and large-stroke actuation is provided while high precision and large thrust are realized. Specificexcitation voltage signals are respectively applied to the four laminated piezoelectric ceramic groups, so that the stator can drive the linear guide rail to perform linear motion.

The invention discloses a gas shielded welding telescopic nozzle capable of spraying stable airflow. The gas shielded welding telescopic nozzle comprises a nozzle seat, a telescopic sleeve and a gas screen, or further comprises a locking nut or a locking protective sleeve or a dustproof sleeve. An air screen is arranged at the inner upper part of the telescopic sleeve, and nozzle telescopic adjusting scales are arranged on the outer surface of the lower section of the upper part of the telescopic sleeve; self-sealing / instant self-locking telescopic threaded connection is formed between external threads on the upper portion of the telescopic sleeve and internal threads of the nozzle base so that the length of the nozzle can be adjusted. The locking nut or the locking protective sleeve is screwed on the lower section of the external thread at the upper part of the telescopic sleeve and plays a role in locking the telescopic thread connection in advance; and the dustproof sleeve is fixedly connected with the lower end of the nozzle seat after passing through the smooth outer surface of the lower section of the upper part of the telescopic sleeve, plays a dustproof role on an unmeshed threaded surface in the nozzle seat, and plays a limiting and anti-screwing role on the telescopic sleeve. The nozzle has the functions of locking, anti-rotation, quantitative adjustment and dust prevention, is simple in structure and convenient to use, and can spray stable protective airflow.

The invention relates to an experimental bed capable of automatically controlling system mechanical properties. The experimental bed comprises a mattress and a bedstead, wherein the mattress consists of a bed core, a fabric composite layer (11), a latex foam bedding layer (12) and a spring substrate plate (15), and the bed core consists of evenly arranged independent bagged springs (13); the bagged springs (13) are independently and fixedly arranged on the spring substrate plate (15) and are provided with linear displacement transducers (14), and the mattress is provided with an adjustable comfort region (8) capable of detecting the morphological changes in human spine; the spring substrate plate consists of a plurality of independent small substrate plates, and each small substrate plate is used for supporting two horizontal rows of independent bagged springs (13); and a linear permanent magnet reciprocating motor (21) is respectively arranged under each small substrate plate. The bagged spring compression amount information collected by an information collector is transmitted to a data processor to obtain the human-bed interface indentation amount. The quantitative research on the human-bed interface shape and pressure in real sleeping and natural prone position states is realized.

The embodiment of the invention provides a random magnetic tunnel junction device with a controllable overturning probability and an application method, and belongs to the field of semiconductor devices. The device comprises a basic magnetic tunnel junction sandwich structure which comprises a reference layer, a tunneling barrier layer and a free layer from top to bottom; a top end electrode which is positioned above the reference layer and is provided with a top end electrode port; a regulation and control layer which is located below the free layer and used for providing a bias magnetic field for the free layer, and the regulation and control layer comprises an exchange bias field layer and a bottom end electrode which are arranged in an overlapped mode; two ends of the bottom end electrode are respectively provided with a bottom end first electrode port and a bottom end second electrode port; the top end electrode port, the bottom end first electrode port and the bottom end second electrode port are used in a single or any combination mode so as to regulate and control the overturning probability of the random tunnel junction device. According to the scheme of the invention, the overturning probability of the random magnetic tunnel junction device is controllable.

The invention provides an encoding disc aligning device. The encoding disc aligning device comprises a base (1) and a bearing chamber arranged at the center of the base (1); the encoding disc aligning device further comprises a rotating shaft (2) of which the bottom extends into the bearing chamber and an encoding disc (3) which sleeves the top of the rotating shaft (2); and the base (1) is provided with an aligning device which is located at the horizontal direction side of the rotating shaft (2) and can move in a horizontal direction so as to adjust eccentric magnitude between the center of the encoding disc (3) and the center of the rotating shaft (2). With the encoding disc aligning device of the invention adopted, quantitative adjustment of the eccentric magnitude of the encoding disc in an installation process can be effectively realized; requirements for the working skills of workers in an encoding disc aligning process can be effectively decreased, and work efficiency can be improved; and the working performance and measuring accuracy of a photoelectric encoder can be effectively ensured. The invention also relates to an encoding disc aligning method using the device.

The invention provides an integrated system of an annular visual field, wherein a common main optical system, and independent subsequent elements and receiving devices are utilized, and three independent modules, namely a high-resolution imaging module, a multibeam laser echo detecting module and an atmosphere echo detecting module. The high-resolution imaging module realizes a visible light multispectral high-resolution imaging function. The multibeam laser echo detecting module realizes a five-beam laser echo receiving function. The atmosphere echo detecting module realizes an atmosphere echo receiving function. Three channels form the annular visual field through reasonable laying. The optical system according to the invention has advantages of high ray machine structure integration degree, high resolution, small size, small weight, etc. Furthermore the integrated system realizes functions of high resolution and high-precision distance measuring to large-area ground objects, cloud aerosol detection and three-dimensional plotting.

The invention provides an oil-water well quantitative parameter-adjustment distribution-adjustment flow-adjustment line method. The oil-water well quantitative parameter-adjustment distribution-adjustment flow-adjustment line method comprises the steps of 1, building a relation expression of an oil-water well bottom pressure after parameter adjustment and distribution adjustment; 2, drawing a graph represented by the formula drawn in the step 1 in a rectangular coordinate system; 3, selecting points meeting adjustment requirements on the graph drawn in the step 2; 4, converting the points selected in the step 3 into adjustment of a related oil-water well. The oil-water well quantitative parameter-adjustment distribution-adjustment flow-adjustment line method has the advantages of being wide in application range, easy and feasible, and precise in adjustment and can be widely used for parameter-adjustment distribution-adjustment flow-adjustment line work of a water-drive reservoir complex in lithology, large in permeability difference, protruding in water logging and water channeling and imbalanced in exploitation and improve the oil reservoir development and management level.