45results about How to "Improve rejection rate" patented technology

The invention discloses a finger vein identification method based on fusion of multiple characteristic thresholds. A 2D Gaussian template based on multiple standard deviations is used to calculate a curvature of a finger vein image, a background-area curvature grayscale characteristic, a vein-area curvature grayscale characteristic and a curvature fine line characteristic of the image are extracted; a correlation coefficient method is used to calculate a matching threshold of the background-area curvature grayscale characteristic and the vein-area curvature grayscale characteristic, an MHD algorithm is used to calculate a matching threshold of the curvature fine line characteristic, and a multi-characteristic-threshold fusion decision algorithm is provided to fuse independent identification thresholds of the three characteristics and further to carry out verification and decision. According to the algorithm based on fusion of the thresholds of the three characteristics, background areaavailable information included by the background-area curvature grayscale characteristic is combined, the fuzzy finger vein image identification performance is not decreased obviously, the false rejection rate under a low false accept rate is substantially lower than that of a traditional identification algorithm based on the fine line characteristic only, and the identification algorithm can beutilized reasonably and highly efficiently.

The invention relates to an integrated circuit (IC) card payment authentication method based on fingerprints and finger veins. The method comprises the following steps: registration: a registered terminal acquires registration finger vein information and registration fingerprint information of a cardholder to generate a finger vein template and a fingerprint template, stores the fingerprint template in an IC card and the finger vein template in a background system; trading: a payment terminal obtains site payment fingerprint information and site payment finger vein information acquired when the cardholder pays at site, compares the site payment fingerprint information with the fingerprint template stored in the IC card, if the comparison fails, trading is refused, if the comparison succeeds, the background system compares the site payment finger vein information with the finger vein template stored in the background system, if the comparison fails, the trading is refused, if the comparison succeeds, the trading is authenticated. By adopting the method, the identity authentication security level can be effectively improved.

Disclosed is an online sliver separating device for high moisture content cut tobaccos. The online sliver separating device is mainly composed of a feeding vibration tank, a cut tobacco opening device, a high frequency vibration tank, a two-stage air separator and a discharging vibration tank which are sequentially arranged along the conveying direction of the cut tobaccos. Two opening devices are arranged in a first air separating channel and a second air separating channel which are communicated with each other in the two-stage air separator. Upper pin rollers and lower pin rollers are staggered and are specifically arranged on the opening devices to drop the cut tobaccos to achieve the loosening of the cut tobaccos. A separating method of the online sliver separating device includes that the high moisture content cut tobaccos which are cut in tobacco cutting production lines pass through the cut tobacco opening devices and then are subjected to high frequency vibration by means of the high frequency vibration tank to enable the cut tobaccos to be in wide cut, thin spread and fluffy states, then the cut tobaccos enter into the opening devices in the two-stage air separator, and finally slivers in the cut tobaccos are separated out. By means of the device and the method for separating the silvers, less broken cut tobaccos are produced in the separating process, and the ratio for rejecting the slivers out of the cut tobaccos is obviously increased.

The invention discloses an iris recognition system, an application method thereof and an eigenvalue extraction method for incomplete images in the iris recognition process. The iris recognition system comprises a background cloud server and one or more local iris recognition devices, wherein each local iris recognition device comprises an access controller, an access control drive valve, a local industrial personal computer and an image acquisition unit; each image acquisition unit acquires iris image data, and each local industrial personal computer recognizes the acquired iris image data by use of a stored iris recognition model and controls the access control drive valve by the aid of the access controller according to the recognition result to open access control or keep the access control closed; the local industrial personal computer in each local iris recognition device is in connection communication with the background cloud server to send sample data of the iris recognition model and receive a new iris recognition model, and the background cloud server updates the iris recognition model corresponding to each local iris recognition device on the basis of the received sample data. The iris recognition accuracy can be improved with the passage of time and the application of the system, and meanwhile, the convenience of remote system maintenance and upgrade is improved.

The invention discloses a multi-template face automatic input method in a face recognition system based on a video. The method comprises the following steps: firstly, obtaining a maximum face track ina video scene, automatically storing face pictures at multiple angles as templates according to a certain screening logic, and excluding pictures with too small faces, dynamic blurring and large angles during screening, thereby ensuring the quality of face templates; secondly, conducting illumination compensation on the template which is overexposed or insufficiently exposed, adding the compensated picture into the template of the person, and improving the comparison accuracy; and finally, converting the stored template extraction features into a face feature file, storing the face feature file into a face comparison database, and directly comparing the features, thereby reducing the operation time consumption. According to the input method, automatic collection of the user face is achieved, the input time is short, the user matching degree is low, meanwhile, the input template quality is high, and the recognition accuracy can be effectively improved.

The invention relates to the field of locksets and in particular relates to a fingerprint recognition controller which can improve the convenience in use, the security, the reliability, the generality and the transportability, and greatly reduce the development and manufacturing costs of a terminal application product, so as to improve the popularization and application of the product. The structure of the fingerprint recognition controller comprises a fingerprint acquisition element, a control mainboard, an operation panel and a rear fixing cover, wherein a fingerprint acquisition window is arranged on the operation panel; the fingerprint acquisition element is connected with the operation panel and is used for acquiring fingerprint information through the fingerprint acquisition window on the operation panel; the control mainboard comprises the following structures integrated on the control mainboard: an information storage structure for storing fingerprint information, an information recognition control structure for comparing fingerprint information, a physical function selection and setting mechanism, an input structure for receiving instruction information and an output mechanism for controlling driving equipment and prompting information; and the control mainboard is connected with the fingerprint acquisition element and is integrally fixed with the operation panel and the rear fixing cover.

The invention relates to an air flow and multi-stage drum type electrostatic combined foreign fiber separation device, in particular to the air flow and multi-stage drum type electrostatic combined foreign fiber separation device during unginned cotton processing. The separation device comprises a feeding port, an air flow separation device housing, an air flow separation foreign fiber inlet, an air flow opening, a foreign matter negative pressure conveying pipeline, a conveying slide plate, an electrostatic separation device housing, a motor, a roller, a pulley, a belt, an electrode plate, anelectrostatic electrode, an electrostatic separation foreign fiber inlet, a hair brush, a protective cover, a high-voltage electrostatic generator, a grounding terminal and an unginned cotton outlet;compared with the prior art, the device adopts the principle of air flow and multi-stage drum electrostatic combined sorting, and carries out air flow and multi-stage drum electrostatic combination sorting on foreign fibers, the elimination rate of the foreign fibers is higher, and the efficient separation of the unginned cotton and the foreign fibers can be achieved without damage.

The invention discloses a bottle bottom cleaning device of an empty bottle checking robot. The device comprises a chain way, a water blowing device and a control system and is characterized in that a bottle bottom air suction device is disposed on one side of the front end of the chain way and comprises a base, a vacuum generator, an air suction chamber base, an air pipe and an electromagnetic control valve; the lower end of the air suction chamber base is firmly connected to the base; a suction nozzle is disposed at the center of the upper end along the axial direction; the lower end of the suction nozzle communicates with the inner chamber of the air suction chamber base via the air pipe; the air suction camber base is connected to the vacuum generator via a suction pipe; the vacuum generator is connected to the electromagnetic control valve; and the electromagnetic control valve is controlled by the control system. When an empty bottle is clamped onto the upper end of the air suction chamber base, the electromagnetic control valve can control switching-on and switching-off of the vacuum generator, so that water drops and foams left on the bottle bottom can be sucked, and the bottle bottom becomes much cleaner; and meanwhile, detection of pollution around the equipment can be avoided significantly. Because of the structure, the device disclosed by the invention has the advantages of a novel structure, convenient operations, a high removal rate, and avoidance of all-around splashing of water and foams can be avoided, etc.

The invention discloses a tobacco shred processing production line hemp rope removing device. A tobacco shred processing production line comprises one or more belt conveyers, wherein a rotating rake roller is arranged under the blanking end of at least one belt conveyer, the surface of the rake roller is provided with outward protruding rake nails, each rake nail is provided with a ball, and the diameter of each ball is larger than that of each rake nail. The rotating rake roller is arranged under the blanking end of the belt conveyer, so that when tobacco shreds fall from the blanking end of the belt conveyer, hemp ropes doped in the tobacco shreds are wound on the rake roller, and accordingly the purpose of removing the hemp ropes is achieved. The tobacco shred processing production line hemp rope removing device is high in removing rate and can thoroughly remove hemp ropes, threads and other sundries different in length. The layout of an original tobacco shred processing production line is not needed. The tobacco shred processing production line hemp rope removing device is simple in structure, low in manufacture cost, capable of greatly relieving manual labor intensity and stable in removing effect.

A delivery device of a capsule detector is disclosed, and belongs to the field of medicine container manufacturing equipment. Conventional capsule detector delivery device cannot adapt to shooting and screening of inside ends of a capsule. The delivery device comprises a driving mechanism, an inner baffle plate, an outer baffle plate, a rejecting mechanism, and vertically overlaid rotary disk and bottom disk; the driving mechanism is in transmission connection with the rotary disk; the rotary disk is provided with multiple open slots arranged in a circle, and the length of each open slot is larger than the length of a capsule; the inner baffle plate is composed of a side plate part and a separating plate part in head-to-tail connection; the side plate part is arc and stretches across the open slots; the distance between the bottom surface of the side plate part and the top surface of the bottom disk is less than the diameter of a capsule, and the distance between the inner wall of the side plate part and the inner end of each open slot is equal to the length of a capsule; the separating plate part divides the rotary disk into a material falling zone and a shooting zone; the outer baffle plate is arranged at the lateral side of the rotary disk in the shooting zone; the finishing end of the shooting zone is provided with a capsule channel; the inlet end of the separating plate part is provided with a slipping through hole; the outer baffle plate is provided with an outer end shooting opening; and a vent of the rejecting mechanism is at the bottom disk under the open slots. The delivery device helps to realize shooting and screening on the inner ends of a capsule.

The invention discloses a gesture recognition method based on a regional full convolutional network. The method comprises: for an input gesture image, performing feature extraction through a full convolutional network to obtain a set of feature maps and generate a candidate box, a position sensitive sub-network generating a position sensitive score map, and scoring each gesture category through apooling layer, so that positioning and classification of target gestures are realized. The method is mainly characterized in that the whole regional full convolutional network is of a shared full convolutional structure. The whole structure is end-to-end learning, complex calculation is avoided while the high-precision recognition rate is achieved, the OHEM technology is combined. The network model has the higher rejection rate on negative samples, practical application is facilitated, and the method has important significance in the field of human-computer interaction.

The invention discloses a cigarette tow density adjusting device, and belongs to the field of cigarette equipment in the cigarette industry. The device comprises a compaction wheel, an adjusting assembly and a fixing support, the adjusting assembly comprises a connecting frame, an adjusting shaft, a spring and an adjusting wheel, the compaction wheel is rotatably mounted at the upper end of the connecting frame, the fixing support comprises a mounting end face and a fixing end face, the fixing end face is fixedly connected with a filament suction beam fixing seat, and a mounting hole is formedin the mounting end face. The adjusting shaft penetrates through the mounting hole, the upper end of the adjusting shaft is fixedly connected to the lower end of the connecting frame, the lower end of the adjusting shaft is connected with the adjusting wheel, and the spring sleeves the adjusting shaft and is supported between the lower end of the connecting frame and the mounting end face. According to the device, the gram weight deviation of a single cigarette is reduced, the empty end rejection rate of the cigarette is reduced, meanwhile, the residual cigarette amount is reduced, the cigarette index stability is improved, and the factory production and manufacturing level is continuously improved.

An image-identification random sampling consistency algorithm based on a voting decision and a least square method is disclosed. A voting decision mode is introduced so as to find out a point pair which is most possible to be right; and a least square method principle is adopted to calculate a rotation translation transformation matrix. The rotation translation transformation matrix calculated in the invention is accurate and stable, and a calculation speed is fast. Each calculation result is not fluctuated randomly. In the invention, an image comparison method is optimized and the algorithm is good for a subsequent learning function of a data processing chip, which means that characteristic information of a reference image is continuously increased; and false rejection rate is effectively improved and the data processing chip is intelligent. Through continuously updating the rotation translation transformation matrix, image splicing can be high-efficiently and accurately realized.

The invention relates to ginsenoside and an ultrasonic extraction method thereof. The extraction method comprises the steps of sample treatment, ultrasonic extraction, silica gel adsorption, eluent decolorization, concentration drying and the like. The extraction method is short in extraction time, low in extraction temperature and high in extraction efficiency. Besides, an ethanol solution is adopted as a solvent in the whole extraction and separation process, other toxic organic solvents are not used, and environmental pollution is small while the extraction efficiency is guaranteed. According to the method, a chromatographic separation technology is adopted, and impurities in the extract are thoroughly removed, so that the quality of the ginsenoside product is obviously improved.

The invention relates to a cigarette case packaging detection process. The cigarette case packaging detection process sequentially comprises the steps of conveying, detecting, removing and collectingand is realized based on a cigarette case packaging detection system. The cigarette case packaging detection system is sequentially provided with a paper feeding mechanism, a detection mechanism, a removing mechanism and a collecting mechanism in the conveying direction of a conveying belt. To-be-detected packaging paper is conveyed to the detection mechanism at a uniform speed piece by piece at intervals through the paper feeding mechanism. Good products or defective products are detected through the detection mechanism. The good products enter the rear collecting mechanism directly through agood product channel. The defective products are introduced into a defective product channel to enter the rear collecting mechanism through the removing mechanism. According to the cigarette case packaging detection process, an integrated production process is formed through the conveying and detection of the to-be-detected packaging paper and the separating, conveying and collecting of the goodproducts and the defective products, and detecting automation is realized. All working procedures are tightly matched through a device, so that the detection efficiency and the detection accuracy areimproved, and the labor intensity is reduced.

The invention belongs to the technical field of tobacco shred foreign matter detection, and particularly relates to a pulse spectrum online imaging detection method and device for tobacco shred low-chromaticity-difference plastic foreign matter. The method mainly comprises the three steps of tobacco shred negative-pressure thin-layer feeding, tobacco shred pulse line scanning recognition and foreign matter positive-pressure online removal. According to the invention, tobacco shreds which are in a loose state and are high in cross-linking degree form a fixed and continuous thin layer on the surface of a conveying roller through negative pressure adsorption force, so that the probability of detecting and removing plastic foreign matters with low chromaticity difference in the tobacco shreds is improved; the surface of the roller is subjected to regional coding, so that intelligent linkage between pulse line scanning recognition and positive pressure online removal is realized; and the characteristic signals of the low-chromaticity-difference plastic foreign matters can be efficiently obtained in real time by performing pulse type light emitting on a low-chromaticity-difference plastic characteristic wavelength LED linear array light source and combining with a line scanning camera, so that the limitation of detecting the low-chromaticity-difference plastic foreign matters in the tobacco shreds in the existing conventional technology is overcome, and efficient removal of the low-chromaticity-difference plastic foreign matters in the tobacco shreds is realized.

The embodiment of the invention discloses an impurity recognition and removal device for agricultural stem-leaf products, and a working method thereof. The impurity recognition and removal device comprises a feeding conveyor belt, an ultraviolet light detecting imaging device, a feeding slideway, a discharging conveyor belt and a programmable logic controller (PLC), wherein the ultraviolet light detecting imaging device is arranged above the feeding conveyor belt; an ultraviolet light emitted by the ultraviolet light detecting imaging device can completely shine on a material on the feeding conveyor belt; the ultraviolet light detecting imaging device is connected with the PLC through a computer image processor; the feeding slideway is arranged inclinedly; the feeding conveyor belt and thedischarging conveyor belt are connected to two ends of the feeding slideway; a blanking device is arranged on the feeding slideway and is connected with the PLC; and the PLC controls the blanking device to remove impurities in the material. The impurity recognition and removal device for the agricultural stem-leaf products, and the working method thereof provided by the invention solve the problems of narrow application range, high technology difficulty, and non-ideal impurity removal effect of an existing impurity removal device for the agricultural stem-leaf products.

The invention provides multi-channel mildewed tea seed kernel sorting equipment, and belongs to the technical field of tea seed oil processing. The defect that mildewed tea seed kernels are prone to being mixed in tea seed oil processing in the prior art is overcome. The multi-channel mildewed tea seed kernel sorting equipment comprises a vibration disc, first arrangement grooves, second arrangement grooves and a controller, the upper ends of the first arrangement grooves are fixedly connected with an outlet of the vibration disc, the first arrangement grooves and the second arrangement grooves are aligned in a one to one mode, a fixing frame is fixedly arranged on each of the first arrangement grooves and the second arrangement grooves, a rotating mechanism is arranged between the first arrangement grooves and the second arrangement grooves, and a set of mildewed tea seed kernel screening system is arranged on each of the first arrangement grooves and the second arrangement grooves. The mildewed tea seed kernel screening system comprises a mildewing detection mechanism for judging whether tea seeds are mildewed or not according to the color of tea seed kernels and a high-speed pneumatic sorting mechanism for removing the mildewed tea seed kernels. According to the equipment, the removal rate of the mildewed tea seed kernels can be improved, and improving of the finished product quality of tea seed oil is facilitated.

The invention discloses a deseeding robot for stipa baicalensis, wherein the deseeding robot comprises a mobile carrier, a cutter floating mechanism, a forage grass cutting mechanism and a grass seedcollecting mechanism. The mobile carrier comprises a vehicle frame and walking wheels; the cutter floating mechanism is arranged on one side of the vehicle frame; the cutter floating mechanism includes a fixed platform, a transmission lead screw, a lead screw sliding block, a lead screw motor, a guide rod and a cutter platform, and the fixed platform and the vehicle frame are fixed; the transmission lead screw and the guide rod are vertically arranged on the upper part of the fixed platform, and the transmission lead screw and the guide rod are provided with the lead screw sliding block; the lead screw sliding block is fixedly provided with the cutter platform, and the cutter platform is provided with the forage grass cutting mechanism; the forage grass cutting mechanism includes a fixed cutter and a rotary cutter; the grass seed collection mechanism includes a collection funnel and a collection box, and the collection box is arranged on the upper part of the vehicle frame; the collection box is connected with the collection funnel through a conveying box. The deseeding robot for stipa baicalensis can more effectively remove stipa baicalensis in a pasture, pasture harvesting is more efficient and energy-saving and the pasture is not damaged.

The invention discloses a cigarette empty end detection system, which comprises a power supply, a synchronization unit, a data acquisition unit, an analog-to-digital conversion unit, a main control unit, and a rejection unit; the output terminal of the synchronization unit and the input of the analog-to-digital conversion unit and the rejection control unit Both terminals are connected, the synchronization unit is used to provide a synchronous clock signal for the analog-to-digital conversion unit, the main control unit and the rejection control unit, the output terminal of the capacitive sensor is connected to the input terminal of the analog-to-digital conversion unit, and the output terminal of the analog-to-digital conversion unit The input end of the main control unit is connected, and the output end of the main control unit is connected with the rejecting unit; a kind of cigarette end detection system of the present invention adopts the capacitive sensor with good stability and can adapt to various complex environments as the detection device, The hardware circuit adopts programmable control FPGA as the main processing chip, which not only can meet the complex and changeable production environment of the tobacco factory, but also improves the rejection rate of problematic cigarettes and greatly improves the quality of the product.

The invention relates to a method for removing hemp thread and hemp velvet from threshing and redrying, which belongs to the technical field of threshing and redrying and impurity removal. The methodcomprises seven steps of weighing, mixing, pressing, air drying, cutting, processing and hanging. By the adoption of the method for removing the hemp thread and hemp velvet from threshing and redrying, a characteristic of mutual adhesion of the hemp thread and the hemp velvet is utilized, the hemp thread and the hemp velvet are mixed and pressed, a prepared hemp thread and hemp velvet impurity-removing board is firm and durable; the hemp thread and the hemp velvet are manufactured into a hemp thread and hemp velvet impurity-removing board according to a mass ratio of 1 to 3, so that the hemp velvet provided by a surface of the prepared impurity-removing board has good adsorption and bonding effects; in a process of conveying tobacco leaves, the hemp thread and hemp velvet impurity-removingboard is in contact with the tobacco leaves and rubs with the tobacco leaves to generate static electricity, so that impurities such as the hemp thread, the hemp velvet and the like mixed in the tobacco leaves are absorbed; the structure is simple, a removal rate of the hemp thread and the hemp velvet is high, and cleaning is convenient.

The invention belongs to the technical field of artificial reproduction of fish fry, and discloses a method for removing female pseudobagrus fulvidraco and male pseudobagrus fulvidraco hybrid offspring deformed fry. The method comprises the following steps that 1, fry are temporarily raised in a cement pool; 2, micro flowing water is kept in the temporary raising pool, an uninterrupted inflation state is kept, and temporary raising is carried out for 70-75 hours; 3, the fry which are scattered, not clustered and float after gradually dying are directly removed, the fry in a clustered state are taken out through tulle or siphon or the fry are directly centralized in a fry box from a drainage opening to be taken out, and a fry culture stage is executed. According to the method, the female pseudobagrus fulvidraco and male pseudobagrus fulvidraco hybrid offspring deformed fry are removed, operation is easy, the requirement on equipment is low, and the removal rate is high.

The invention discloses a USB terminal detection device which comprises a rack, conveying belts, a feed tray, a camera, sensors and a controller. The conveying belts are arranged on the two sides of the rack, the feed tray is arranged at one end of the rack, the camera is arranged above the conveying belts, the top of the camera is fixed to the rack, the sensors are arranged on the two sides of the conveying belts, and the controller is connected with the conveying belts, the camera and the sensors through cables. Thus, the USB terminal detection device has the advantages of being high in reliability, precise in positioning, compact in structure, high in detection speed, precision and removal rate, capable of reducing cost effectively and the like, and has broad market prospects in the electronic detection market.

The invention provides a rough cleaning and sorting method of tomatoes. All immature and mature tomatoes are put in flowing water, the flowing water is divided into an upper circulation channel and a low circulation channel in the flowing process, and thus, the immature fruits and the mature fruits enter the upper circulation channel and the lower circulation channel due to different buoyancy forces. The invention also provides a rough cleaning and sorting device of tomatoes. Compared with the prior art, the rough cleaning and sorting method and device of tomatoes, provided by the invention, have the advantages that by virtue of rationalized arrangement of a multi-level gravity type sorting device and rationalized design of transfer circulation channels, the removing ratio of green fruits is improved from the source, combination of rough cleaning and sorting is realized, processes are simplified, and the cost is reduced; a circulation channel gate is designed to be adjustable, so that the degree of automation of a system is improved; weight sorting is rationalized in rough cleaning, so that the workload of an independent sorting system is alleviated; and the opening and closing of the device are freely and simply controlled, so that the excessive loss of the device is reduced, and the service life of the device is prolonged.

The invention belongs to the technical field of artificial reproduction of fish fry, and discloses a method for removing female pseudobagrus fulvidraco and male pseudobagrus fulvidraco hybrid offspring deformed fry. The method comprises the following steps that 1, fry are temporarily raised in a cement pool; 2, micro flowing water is kept in the temporary raising pool, an uninterrupted inflation state is kept, and temporary raising is carried out for 70-75 hours; 3, the fry which are scattered, not clustered and float after gradually dying are directly removed, the fry in a clustered state are taken out through tulle or siphon or the fry are directly centralized in a fry box from a drainage opening to be taken out, and a fry culture stage is executed. According to the method, the female pseudobagrus fulvidraco and male pseudobagrus fulvidraco hybrid offspring deformed fry are removed, operation is easy, the requirement on equipment is low, and the removal rate is high.

The invention discloses a tobacco bundle density adjusting device, which belongs to the field of cigarette equipment in the cigarette industry. The device includes a compaction wheel, an adjustment assembly and a fixed bracket, the adjustment assembly includes a connecting frame, an adjustment shaft, a spring and an adjustment wheel, wherein the upper end of the connecting frame is rotated to install the compaction wheel, and the fixed bracket includes an installation end surface, a fixed The end face, its fixed end face is fixedly connected with the wire suction beam fixing seat, the installation end face is provided with a mounting hole, the adjusting shaft is set through the mounting hole, and its upper end is fixedly connected to the lower end of the connecting frame, and the lower end of the adjusting shaft is connected to the adjusting wheel , the spring is sleeved on the adjusting shaft and supported between the lower end of the connecting frame and the installation end surface. The device reduces the deviation of the gram weight of a single cigarette, reduces the cigarette short rejection rate, reduces the amount of residual smoke, improves the stability of cigarette indicators, and continuously improves the production level of the factory.

The invention relates to a full-automatic product detection machine. The full-automatic product detection machine is successively provided with a paper feeding mechanism (1), a detection mechanism (2), an eliminating mechanism (3) and a collecting mechanism (4) in the conveying direction of a conveyor belt; wrapping paper to be detected is alternately conveyed into the detection mechanism (2) at aconstant speed piece by piece through the feeding mechanism (1), good products or defective products are detected by the detection mechanism (2), the good products directly enter the rear collectingmechanism (4) through a good product channel, and the defective products are imported into a defective product channel by the eliminating mechanism (3) and enter the rear collecting mechanism (4). According to the full-automatic product detection machine, from collection of convey of the wrapping paper to be detected, detection and separate convey and collection of the good products and defectiveproducts, an integrated technological process is formed, detection automation is realized, each working procedure is closely matched through the full-automatic product detection machine, the detectionefficiency and the detection accuracy are improved, and labor intensity is lowered.

The invention provides a biomass fuel impurity separating method and device. The method comprises the steps that unseparated biomass fuel is placed on a primary conveyor belt, and a dispersing rolleris arranged at a discharge end of the primary conveyor belt and used for dispersing impurities such as stones and clods wrapped with biomass fuel floc; and separating is conducted, specifically, a secondary conveyor belt which is arranged obliquely with the upwards moving direction is mounted below the discharge end of the primary conveyor belt and used for receiving dispersed biomass fuel, in theascending process of the secondary belt, the biomass fuel with light weight and high friction force is discharged along with ascending of the belt, and impurities such as stones and clods with high specific gravity and low friction force slide down along the oblique secondary belt, so that the fuel is separated from the impurities. The method and device have the advantages that the separation effect is good, the removing rate is high, and the problems that the impurities destroy conveying mechanical equipment in the conveying process along the conveyor belts, damages a hood and affects deslagging after entering a furnace hearth, and consequently a boiler fails are effectively solved.

The invention relates to the technical field of system testing, in particular to an automatic card swiping device of an access control system. The device comprises an electric turntable, a glass disc, a base, cards, a card reader bottom box and card readers, the electric turntable and the card readers are installed on the base, the card readers are distributed in an annular array mode with the electric turntable as the center, the glass disc is arranged on the electric turntable, the center of the glass disc and the center of the electric turntable are overlapped, and the cards are placed on the glass disc. The cards and the card reader are correspondingly arranged, so that the card passes through the card reader when the glass disc is rotated. According to the invention, the number of access controllers, card readers and cards is increased, and the rotating speed of the electric turntable and the number of automatic card swiping devices are adjusted, so that higher rejection rate and false identification rate indexes are tested. The stability of the access control system is tested by continuously and circularly swiping a plurality of cards for 7*24 hours, and whether the access control system has the phenomena of data loss, alarm omission, false alarm and the like can be judged by comparing calculation data with card swiping data and alarm data counted by management software.