69results about How to "Unified testing standards" patented technology

The invention discloses an automatic detection system for the traditional-Chinese-medicine quality. Traditional-Chinese-medicine original images are collected, outlines of target areas are partitioned, the images are subjected to noise removing, a neural network PCNN corresponds to the images, central neuron corresponds to pixel points of the images, multi-wavelength LED lamps are illumed respectively, several LED lamps capable of motivating remarkable fluorescence signals are selected and alternately illumed, traditional-Chinese-medicine samples with fluorescence spectrums of 300 nm-1,100 nm are collected, the one-dimensional time-series signal characteristics of all two-dimensional images are extracted, characteristic information is stored, the airspace characteristics of traditional-Chinese-medicine microscopic images are extracted, and the traditional-Chinese-medicine quality is detected. According to the automatic detection system, the traditional-Chinese-medicine external parameters are synthetically evaluated with the electronic technology, the traditional-Chinese-medicine inherent quality is automatically detected by combing traditional-Chinese-medicine chemical-component content parameters, safety detection parameters and conventional detection parameters, the detection standard is objective and uniform, and accurate medicine making can be achieved.

The invention discloses a method for detecting positional deviation between multilayer flexible printed wiring boards, which includes the following steps: A) a registration mark is respectively arranged at the same positions of layers that need paraposition on the multilayer flexible printed wiring boards; B) the registration marks of layers that need paraposition are compared to judge if the registration marks are at least partially overlapping; if so, the positional deviation among layers is considered within an acceptable range; otherwise, the positional deviation among layers is not considered within an acceptable range. The registration mark in the step A is a line mark which can detect the deviation amount between two axial locations which are mutually vertical on a surface; the line width of the line mark has the same size as that of the registration mark which need paraposition. The method has the advantages that the of digitally quantifying detecting result is digitally quantified,; meeting the detecting requirement of paraposition of arbitrary precision is met and raising the detecting efficiency is raised.

The invention relates to a communication-in-moving antenna tracking performance detecting method based on a six-freedom-degree swinging table and belongs to the field of communication-in-moving antenna detecting field. A system used in the method comprises the six-freedom-degree swinging table, a spectrometer and a data processing upper computer. A tested communication-in-moving antenna is arranged on the six-freedom-degree swinging table. Down-going signals (output by an LNB) of the communication-in-moving antenna are connected with the spectrometer through a coaxial electric cable. The data processing upper computer is connected with the spectrometer through an LAN interface. According to the method, the detecting standard is unified, detecting is comprehensive, accuracy is high, and universality is high.

An optical automatic detection system for TFT-LCD defects comprises an automatic focal length adjustable lens, an industrial camera, a screen capture rotating mechanism, a screen lightening device, avision controller, a detection result displayer, a mechanical hand and a controller. When TFT-LCD defects are automatically detected, the screen lightening device firstly drives the TFT-LCD to displaya first detection picture, meanwhile, an instruction is transmitted to the vision controller, the vision controller receives the instruction and then controls the industrial camera to take a picture,and a picture processing procedure of the corresponding detection picture is operated. Then, a second detection picture is detected, and circular operation is sequentially performed till all the TFT-LCD detection pictures are displayed and detection is completed. Finally, the result is sent to the detection result displayer. In order to improve the detection accuracy, the vision controller controls the focal length adjustable lens to perform automatic focusing. In order to improve the detection efficiency, the screen capture rotating mechanism at the tail end of the mechanical hand performs rapid picking and placing. The system has the advantages of being high in detection accuracy rate and detection efficiency.

The invention relates to a welding quality detection device and a detection method thereof. The welding quality detection device comprises a mounting rack, a loading piece and a driving mechanism, wherein the mounting rack is provided with a detection platform; the detection platform is provided with a detection plug; the detection plug is provided with a detection slot; the groove of the detection slot is internally provided with an inserting part and a testing probe. The detection method comprises the following steps: firstly moving the loading piece to a first preset position by the drivingmechanism so that the welding part of a product to be detected is matched with the inserting part, and then moving the loading piece to a second preset position by the driving mechanism so that the welding part of the product to be detected is matched with the testing probe so as to test whether welding is qualified. Due to the fact that the welding part is firstly matched with the inserting part, if the problem such as welding instability exists in the welding part, frictional force generated in the inserting process can enable an instable part to fall off, and the welding part cannot be passed when the welding part is matched with the testing probe for testing in later period, so that the testing result whether the welding part is qualified is obtained. Artificial viewing of naked eyesis not needed by using the mechanism, so that the welding detection efficiency is improved, and the production cost is also reduced.

The invention relates to the technical field of chemical experiment equipment, in particular to a rotary evaporator and in particular to a rotary evaporator capable of accurately achieving fraction quantification. The invention provides the rotary evaporator capable of accurately achieving fraction quantification. According to the rotary evaporator, a conventional spherical collection bottle is improved into a structure that a liquid discharge hole is formed in the bottom of the collection bottle, so that a fraction liquid can be discharged under a condition that the collection bottle is not detached down; meanwhile, due to a metering tube with scales in the position of the liquid discharge hole, variations of fraction quantities can be visibly observed, distillation can be immediately stopped when a fraction meets a designed accurate quantity, the precisely quantified fraction can be accurately discharged, components of fractions and indexes for reflecting quality of the fractions canbe tested, property differences of fractions of a same distillation sample at different distillation stages can be studied, and unification of detection standards can be achieved.

The invention relates to the technical field of chemical experiment equipment, in particular to a rotary evaporator and in particular to a rotary evaporator capable of accurately achieving quantification of a concentrated liquid. According to the rotary evaporator capable of accurately achieving quantification of the concentrated liquid, a distillation bottle is improved into a structure that a liquid discharge hole is formed in the bottom, so that a concentrated liquid can be discharged on premise that the distillation bottle is not detached and the negative pressure inside a distillation system is not greatly affected; meanwhile, due to a metering tube with scales in the position of the liquid discharge hole, variations of quantities of the concentrated liquid can be visibly observed, distillation can be immediately stopped when the quantity of the concentrated liquid meets a designed accurate quantity, the precisely quantified concentrated liquid can be accurately discharged, indexes such as reaction yield can be tested, unification of detection standards can be achieved, properties of different concentrated liquids of same yield and properties of a same sample of different concentration degrees can be studied and compared.

The invention provides a vehicle fastener online detection device used for the technical field of vehicle fastener production equipment. The vehicle fastener online detection device comprises a systemframework (1), the system framework (1) is provided with a fastener conveying disc (2) and a limiting ring (5); a plurality of fastener clamping grooves (4) are formed in the outer ring of the fastener conveying disc (2) in a clearance mode; the limiting ring (5) is arranged on the outer ring of the fastener conveying disc (2); the system framework (1) is provided with a plurality of fastener body detection sensors (8); and each fastener body detection sensors (8) is of a structure capable of aligning a corresponding fastener detection position (9). According to the vehicle fastener online detection device and an online detection method, the vehicle fastener can be conveniently detected after machining, accuracy of the detection result is improved; and meanwhile, good quality fasteners meeting requirements and inferior-quality fasteners can be respectively collected, automation is improved and scale production requirements are met.

The invention provides a ball seat coating area for a spherical hinge and a partition detecting method of coating zone fitting degree. The method includes steps of acquiring a vertical view of a ballseat assembled and coated by the spherical hinge by a gray camera; traversing all pixel points of the vertical view under a Matlab environment; after removing noise through image pretreatment, performing edge detection on the gray level image on the basis of a regional growth method of a seed point so as to solve the coordinate value of every pixel point where a boundary line of the ball seat coating area locates; further carrying out secondary partitioning on the zone in the boundary line; finally confirming the zone of the inner spherical face of the ball seat represented by different fitting degrees in the ball seat coating zone on the basis of the gray value of the pixel point. The detecting method has good stability of detecting result, real and reliable data; meanwhile, the method provides real and effective basic data for the other related experiments of the spherical hinge; therefore, the detecting efficiency of the whole detecting chain of the spherical hinge product is also improved.

The invention discloses a method for determining an ophthalmic chloramphenicol solution, which comprises all detection items of chloramphenicol eye drop in Chinese Pharmacopoeia. The determination of rosmarinic acid is added in the determination items. Compared with the prior art, the method can determine rosmarinic acid influencing the validity period of chloramphenicol eye drop, thus ensuring the validity period of chloramphenicol eye drop above 2 years. Accordingly, the method facilitates unification of determination standard of chloramphenicol eye drop and facilitates production and sale for manufactures as well as usage for consumers.

The invention discloses a method for determining an ophthalmic chloramphenicol solution with long shelf life, which comprises all detection items of chloramphenicol eye drop in Chinese Pharmacopoeia. The determination of soybean isoflavone is added in the determination items. Compared with the prior art, the method can determine soybean isoflavone influencing the validity period of chloramphenicol eye drop, thus ensuring the validity period of chloramphenicol eye drop above 2 years. Accordingly, the method facilitates unification of determination standard of chloramphenicol eye drop and facilitates production and sale for manufactures as well as usage for consumers.

The invention relates to the technical field of flat sheet surface defect detection and in particular discloses a solar backboard detection system. Line sources and photographing cameras are arranged on the front surface and the back surface of a solar backboard to synchronously detect the surface defects on the front surface and the back surface of the solar backboard; the distances S1 from the lenses of the cameras to photographing regions are 420-430mm, the photographing angles alpha of the lenses of the cameras relative to the solar backboard plane are 16-18 degrees, the distances S2 from the line sources to irradiating regions are 78-80mm, and the included angles beta between the light of the line sources and the solar backboard plane are 35-39 degrees. Multiple threshold values can be adjusted while the surface defects on the front surface and the back surface of the solar battery are precisely detected, so that one piece of equipment can meet detection of different products. The detection system replaces a conventional manual detection mode and has the advantages of being high in detection precision, uniform in detection standard, high in detection efficiency and low in manual cost.

The invention discloses a color line fluidity detection device. The color line fluidity detection device comprises a detection platform for color lines to flow, a color line accommodating mechanism, atemperature adjusting mechanism and an angle adjusting mechanism, wherein the detection platform is provided with a flow channel for a color line to flow, a distance measurement structure for measuring the flow distance of the color line and a mounting groove for placing a color line accommodating mechanism, the color line accommodating mechanism is at least used for accommodating the color lineto be detected, and the color line accommodating mechanism is detachably arranged in the mounting groove; the temperature adjusting mechanism is connected with the detection platform in a heat conduction mode, the detection platform is connected with the color line accommodating mechanism in a heat conduction mode, the angle adjusting mechanism comprises an angle-adjustable supporting frame, and the detection platform is fixedly arranged on the supporting frame. The color line fluidity detection device provided by the embodiment of the invention is simple in structure, convenient to assemble and use, and capable of accurately formulating research, development and production standards.

The invention discloses an opening strength detector for a storage battery, comprising an upright post and a guide post, wherein the upright post is arranged between an upper worktable and a lower worktable; the guide post is movably connected with an upper sliding press block and a lower sliding press block; the upper sliding press block is in threaded connection with a screw rod arranged on the upright post; the lower sliding press block below the upper sliding press block is provided with a pressure gauge; during detection, the upper sliding press block is pressed on a contact of the pressure gauge; and an inclined press block is arranged below the lower sliding press block. The opening strength detector has high detection speed and unified detection standard. By using the opening strength detector, partition boards which do not meet the quality requirement can be checked in time and the defects that the qualities for net work procedure and the later batteries are influenced because the partition board between battery cells is triggered by a thumb of an operator is damaged in the process of polar group manual grooving can be avoided.