BEAM SPLITTER SYSTEM OF BRIGHTNESS METER/COLORIMETER

For the spectroscopic system of luminance meter/colorimeter, the spectroscope is comprised of spectroscopic reflection prism, parallel glass plate and regulator for field of view. The spectroscopic reflection prism is glued together with the parallel glass plate and placed near exit pupil of main object glass. The regulator for field of view with circular pylome is placed on imaging plane of main object glass.

Colour sensation sensing device for measuring light radiation in hemisphere space

A chromatic sensor for measuring optical radiation in hemispherical space: its optical system is comprised of object glass B, integrating lens J, and optical fiber bundle L, in which the tail of the optical fiber bndle L is divided into three sub-bundles L1, L2 and L3, its upper end is coaxilly mounted with the object glass B and the integrating lens J1 which is placed at the imaging plane of the object glass B. Advantages: (1) reflecting mirror is avoided, no polarization occurs, (2) moving parts are light in wt., (3) convenient installation and adjustment.

AUTOCORRELATION SYSTEM OF WAVE LENGTH FOR DISPERSOR

This invention features that a light barrier which benefits the use of computer for test, measure and correction, a circular disc with radial slot, two photoelectric couplers, two micro button switches and a step motor are used. Compared with existing techniques, it has such advantages as automatization of wave length correction, increasing the repeatability of wave length correction by two times, fast correction and simple operation.

Optical characteristics tester for light engine of projector

Establishment method of reservoir water harvesting index and method for evaluating reservoir water harvesting capability

The invention discloses a method for establishing a reservoir water harvesting index for representing reservoir water harvesting capacity. The method comprises the following steps: acquiring a reservoir related data set comprising reservoir rock mineral composition data, reservoir fluid property data and pore structure data; according to the reservoir related data set, determining data items which can be used for representing the reservoir water capturing capability; according to the data items, calculating a total rock evaluation coefficient M and a gas logging evaluation coefficient G; and constructing a reservoir water harvesting index FS according to the total rock evaluation coefficient M and the gas logging evaluation coefficient G. According to the method, the reservoir water harvesting index representing the reservoir water harvesting capacity is obtained by analyzing the relationship among the drilling fluid and cementing fluid water loss, rock mineral components and reservoir ...

BEAM SPLITTER SYSTEM OF BRIGHTNESS METER/COLORIMETER

OBJECT LENS OF TELESCOPE OF ROMOTELY MEASURING LIGHT RADIATION

... 一种适合于远距光辐射测量用的望远物镜，其特征是它有一个可沿轴向移动的透镜滑动座，对于目标距为无限远、定标距和最近距调焦时，其象方孔径角始终保持不变，成象面上获得的光能量为恒定值。用这种望远物镜作为以光电探测器为接收器的光辐射仪的主物镜，能完全消除光学原理误差，使该仪器的精度提高一个数量级以上。 ...

Filament LED night -light

The utility model provides a filament LED night -light, including filament LED light source, its characterized in that the anodal direct welding position of filament LED light source is in through electronic ballast on electronic ballast's printed circuit board positive electrode installation in night -light location and be in filament LED light source installation location in the night -light. The utility model discloses at E27 in can deciding filament LED light source exact, in the E14 lamp holder, and processing technology is simple, and the cost is low, filament LED light source can become an installation assembly with electronic ballast, put in right place in one step in the installation, avoid using complicated glass stem packaging structure, do not need glass sealing equipment, need not hold the ballast plus the plastic part yet, easy popularization and application, evidently saves the energy, it has obvious manufacturing and cost advantage in the night -light to be applied to.

Electrodeless fluorescent lamp simulation lamp making device

The invention provides an electrodeless fluorescent lamp simulation lamp making device which comprises a quartz ultraviolet excitation source, a laminar glass part and a measurement and analysis device, wherein the quartz ultraviolet excitation source is formed by simulating internal spectrums of an electrodeless fluorescent lamp, and the laminar glass part simulates electrodeless bulb shell glass and is positioned between the quartz ultraviolet excitation source and a brightness meter in the measurement and analysis device. The invention further provides an electrodeless fluorescent lamp simulation lamp making method. The process of obtaining an actual ratio of fluorescent powder with three primary colors of the electrodeless lamp can be simplified, an actual light source is no longer manufactured in each testing process, the complicated lamp making process of coating a bulb shell, baking tubes, adding amalgam, accessing a vacuum system, exhausting air, charging inert gas and cutting the ...

Geotextile trimming device

The invention discloses a geotechnical cloth edge cutting device which comprises a frame body and an edge cutting and coiling unit arranged on the frame body and further comprises a tension adjusting unit, the edge cutting and coiling unit and the tension adjusting unit are sequentially arranged on the frame body in the moving stroke direction of geotechnical cloth, and the tension adjusting unit comprises a telescopic mechanism. A tension roller used for abutting against the geotechnical cloth is rotationally arranged at the output end of the telescopic mechanism, a pressure detection assembly is arranged on the surface of the tension roller, and the pressure detection assembly is used for detecting the pressure applied to the tension roller in the moving stroke of the geotechnical cloth; the telescopic mechanism controls the movement of the tension roller based on a detection signal of the pressure detection assembly; the pressure detection assembly is arranged on the tension roller, ...

Mounting frame of meteorological monitoring equipment

The invention provides a mounting frame of meteorological monitoring equipment, comprising a fixed seat, a front frame, a front frame flange, a rear frame body and a rear frame body flange. One end of the front frame is fixed on the fixed seat, the other end of the front frame is fixed on the front frame flange, one end of the rear frame body is fixed on the rear frame body flange, the other end of the rear frame body is provided with a mounting rod of the meteorological monitoring equipment, the vertical edge of the front frame flange is articulated with the vertical edge of the rear frame flange, and the front frame flange is movably connected with the rear frame flange through bolts. The mounting frame of the meteorological monitoring equipment realizes the free folding function through a rotating shaft mechanism, lowers the mounting difficulty degree of the meteorological monitoring equipment, is more convenient to mount and maintain and effectively prevents the meteorological monitoring ...

Colour sensation sensor for measuring light radiation in hemisphere space

Optical characteristics tester for light engine of projector

An optical characteristics tester for the light engine of projector is composed of light engine tester, optical fibres, spectrum analyzer, computer and output device. Said light engine tester consists of lighting device, optical workpiece holder, integration-ball light gathering unit, and luminometer. Its advantage is the ability to respectively test each optical unit in the light engine.

Device and method for online detection of air exhaust and air inflation of electrodeless lamp luminophor

The invention provides a device for online detection of air exhaust and air inflation of an electrodeless lamp luminophor, comprising a liftable heating cover, a high-frequency generator, a high-frequency coil, a vacuum system, an inert gas supplying device, a vacuum meter, a color luminance meter, a computer and amalgam, wherein the amalgam is connected with a cylinder; the cylinder can be attracted by magnet; and the contour of the cylinder coincides with that of an amalgam imbedded conduit which is connected with the luminophor and inserted in the cylinder. The invention also provides a method for detecting the air inflation of the electrodeless lamp luminophor by utilizing the device for the online detection of the air exhaust and the air inflation. According to the detection device and the detection method which are provided by the invention, air inflation and cut-off operations do not need to be frequently carried out; an air inflation test can be carried out under the conditionof ...