147results about How to "Improve safety and quality" patented technology

The invention discloses an escalator passenger abnormity behavior detection algorithm base on machine vision. The algorithm comprises steps that 1), video image acquisition is carried out; 2), Canny edge detection on an acquired image is carried out; 3), a circle-like zone of an edge image is obtained by utilizing Hough circle transformation; 4), whether the circle-like zone is a human head is determined through a human head gray histogram template; 5), a human head of the image is tracked by utilizing a Mean Shift algorithm; 6), a moving direction and a moving speed of a center point of the circle-like zone of a head portion of each passenger are calculated; and 7), behaviors of passengers are determined through analyzing the moving directions and the moving speeds of the center points of the circle-like zones. Through the algorithm, safety quality of an escalator can be effectively improved, deterioration of situations of emergent events can be prevented, and an injury degree of fall-over passengers on the escalator can be reduced to a maximum degree.

The invention relates to a novel mature high-temperature air drying process of a dry duck, and belongs to the further processing technology field of animal products. The process includes the steps as follows: a raw ingredient duck is processed with the wet salting (in 3 to 8 DEG C for 18 to 24 hours) in salting liquor (that is NaCl of 10 to 13 percent); then the raw ingredient duck is air-dried to maturity for 3 to 4 days in a gradient temperature elevation way, wherein, the humidity is 55 to 63 percent RH, and the temperature is 13 to 28 DEG C, so that the finished product of the dry duck is obtained. The air drying maturing temperature adopted by the invention is obviously higher than the maturing temperature that is 8 to 10 DEG C in the industrial production of the dry duck at present; the endogenous peroxidase activity and the microbial growth in dry duck muscles can be adjusted through regulating the temperature and the humidity during the air drying maturing process; the decomposition and oxidation of the protein and the lipid in the product and the speed of flavor formation can be accelerated; the fat oxidation index is effectively lowered; based on retaining traditional characteristic flavor of the dry duck, the flavor quality of the dry duck product is effectively increased.

A universal bell housing which may be adapted to a variety of automotive engine and transmission combinations and method of making the same is disclosed. The bell housing is made by spin forming a sheet of steel and welding a transmission plate onto the cone. The cone and transmission plate are indexed to mount to a specified engine-transmission combination.

The invention relates to a urease high-yielding Aspergillus sydowii strain and application thereof, and belongs to the field of microbiology. The invention solves a technical problem by providing an urease high-yielding Aspergillus sydowii strain Aspergillus sydowii JNC-U5. The Aspergillus sydowii strain provided by the invention is preserved in China General Microbiological Culture Collection Center (CGMCC) on September 18, 2012, and has a preservation number CGMCC No.6577. The Aspergillus sydowii provided by the invention can produce urease reaching 49.7U, and can be used for production of high-purity urease.

The invention relates to the technical field of agricultural product processing, in particular to a processing and production method of selenium-rich rice. The method mainly comprises the steps of (1) pretreatment of unhusked rice, (2) cleaning up and impurity removal of selenium-rich unhusked rice, (3) magnetic separation and rice hulling, and (4) polishing, color sorting and packaging. Through the technological process, the selenium-rich rice processing technique is simpler, the selenium-rich rice processing quality is improved, the processing cost is reduced, accordingly, the defects that the selenium-rich rice processing procedure is complex, the processing quality is poor, and the cost of rice processing enterprises is severely improved in the prior art are overcome, and the processing and production method of the selenium-rich rice has great practical value and popularization prospects.

The invention discloses an algorithm for detecting object and passenger behaviors on an escalator floor plate based on machine vision, which comprises the steps of 1) acquiring video images; 2) building a background model by using a CodeBook algorithm, and extracting an object and passenger foreground image; 3) performing head feature extraction on the foreground image by using an HOG descriptor; 4) performing head detection on the foreground image by using an AdaBoost cascade classifier; 5) tracking a passenger target by using a Kalman filter; 6) performing contour detection and ellipse fitting on the foreground image by using a Fitzgibbon algorithm; 7) removing the passenger target in the step 6), and tracking an object target by using the Kalman filter; and 8) and judging behaviors of the object and the passenger through analyzing the moving speed and the moving direction of center coordinates of the object and the passenger. According to the algorithm, detection and analysis can be performed on object and passenger behaviors on the escalator floor plate, an emergency plan can be started timely when an exception occurs, and potential hazards of an exceptional situation are enabled to be minimized.

The invention discloses a method and a device for detecting the wall of a cylindrical transparent bottle. The method comprises image acquisition and image processing. A light source is arranged on one side of the bottle for back lighting, a set of optical acquisition systems are established on the other side of the bottle, the multi-angle one-time imaging of the bottle wall is realized after the multi-stage reflection of reflecting mirrors, a camera takes images through the reflecting mirrors, one optical acquisition system is arranged respectively for the image acquisition of the bottle wall at an entrance and the image acquisition of the bottle wall at an exit, and the bottle is turned for 90 degrees between the optical acquisition system at the entrance and the optical acquisition system at the exit. The invention has the advantages that the demand of high-speed online detection is satisfied, the method substitutes for the traditional manual detection method, the detection standard is more stable and reliable, the structure is compact and the detection efficiency is high.

The invention relates to an automatic ultrasonic flaw-detecting machine for tray type large shell section parts. The machine comprises a tray and a track traveling trolley, and is characterized in that the tray is annular; the lower surface of the tray is fixedly connected with a three-jaw chuck; the tray is provided with an annular guide rail; the track traveling trolley is placed on and matched with the guide rail of the tray; the inner and outer sides of the track traveling trolley are respectively connected, by revolute pairs, with an inner big swivel arm and an outer big swivel arm driven by an oil cylinder; the inner big swivel arm and the outer big swivel arm are respectively connected, by revolute pairs, with an inner tubular detecting small arm and an outer tubular detecting small arm driven by an oil cylinder; the inner tubular detecting small arm and the outer detecting small arm are respectively provided with detecting small arms; the inner detecting small arm and the outer detecting small arm are connected with a telescopic link by sliding pairs; and the tail end of the telescopic link is provided with an ultrasonic probe. The advantages of the machine are as follows: a workpiece can be randomly set and positioned on a working table, and does not need rotation to save energy; the negative effect of the workpiece rotation fluctuation on detection is removed, and the stability is high; and the entire flaw-detecting machine is placed on the workpiece, a rack is omitted, and positioning is convenient.

An electrode assembly and a secondary battery using the same, the electrode assembly including: first and second electrode plates, which are wound with a separator disposed therebetween; and first and second electrode tabs respectively adhered to the first and second electrode plates. The first electrode plate extends from a bottom surface of the electrode assembly, has a groove, and is bent at the groove. The secondary battery includes: the electrode assembly; a can to house the electrode assembly; and a cap assembly to seal the can. The first electrode tab is connected to the bottom of the can.

The invention relates to a personnel material scheduling system based on an artificial intelligence technology. The personnel material scheduling system is technically characterized by comprising an on-site constructor information card, an intelligent safety helmet, a face recognition gate machine, an intelligent monitoring camera, a handheld intelligent terminal and an upper computer system, the intelligent monitoring camera is used for monitoring personnel operation in a factory area in real time and outputting collected video information to the upper computer system in real time; the face recognition gate is installed at an entrance of a construction plant and used for reading information cards of on-site constructors and authenticating identities in combination with face recognition to be approved and entered. A GPS positioning module, an image acquisition module and a voice alarm module are installed on the intelligent safety helmet and used for outputting position information of on-site constructors to an upper computer system of an on-site work station in real time in a wireless mode. According to the invention, effective management and control on construction site personnel are realized, and digital scheduling is carried out on the B supply material, so that the construction safety and quality of the whole project are improved.

The invention discloses a preparation method of nitrite reductase, comprising the following steps: inoculating lactobacillus in a MRS culture medium to culture a first generation strain and then to culture a second generation strain; inoculating the second generation strain in a MRS fermentation culture medium to culture for 30-48h; adding sodium nitrite solution in the fermentation solution to culture for 16-32h; collecting precipitate; adding buffer solution in precipitate to fully suspend the fermentation liquor precipitate, adding lysozyme solution and treating the mixture by ultrasonication to obtain broken cell solution, collecting supernatant; filtrating the supernatant and collecting the filtrate; separating the filtrate with a sephadex chromatographic column to obtain precipitate, namely, nitrite reductase and adding 10-50% of starch in the precipitate to obtain the enzyme product. The enzyme preparation prepared by the method can be used to remove the residue of nitrite in food, feed and environment, improves the food safety and quality and prevents the poisoning, cancer and the like caused by nitrite.

The invention discloses a poecilobdella manillensis indoor breeding device. The poecilobdella manillensis indoor breeding device mainly comprises a breeding box, a mesh bag and a multi-layer breeding rack, wherein the mesh bag and the multi-layer breeding rack are arranged in the breeding box in a matched mode. On the basis, an artificial blood sucking poecilobdella manillensis indoor breeding method is established based on the biological nature of the poecilobdella manillensis, the mature poecilobdella manillensis breeding is carried out through the indoor multi-layer breeding rack / box, the escaping preventing mesh bag, a manual feeding platform and a water storage temperature control system, and the poecilobdella manillensis larva can be directly bred into the mature individual. By means of the device and method, the occupied space is small, the unit area yield / cultivation benefit which is 2-4 times that of existing indoor pool cultivation is large, the breeding survival rate is more than 85 percent and is improved by 15 percent compared with an ordinary method, the breeding period is shortened by one to two months, and the safety quality of the matured poecilobdella manillensis is high.

The invention discloses a feed feeding and mixing device with a function of screening impurities for the pig breeding industry. The feed feeding and mixing device comprises a bottom plate; the top ofthe bottom plate is fixedly connected with a mixing box; the four corners of the bottom of the bottom plate are separately and fixedly connected with a mixing structure. The feed feeding and mixing device is provided with the bottom plate, the mixing box, the moving structures, supporting legs, springs, roller wheels, a first transmission case, a second transmission case, a feed chute, a support pillar, a first motor, a stirring column, stirring blades, a screen box, a sieve plate, blanking pipes, a second motor, a cam, a driving plate, a sliding chute, reset spring, a transmission column, a discharge pipe, a sealing cover, a regulating valve, a guide block, a push rod, an anti-slip sleeve, an open slot, through holes and a material limiting port which are cooperatively used, thus improving the safety and quality of pork and enhancing the practicality; the feed feeding and mixing device with the function of screening impurities for the pig breeding industry has the advantage of screening the impurities of feed, so that the practicality of the mixing device is improved.

The invention discloses an abnormal behavior detection method and system for a smart community, and relates to the field of community safety monitoring. The method comprises the following steps: acquiring images in a video shot by a monitoring camera frame by frame; inputting the image into a human body detection model for analysis to judge whether a human body exists in the image or not; when thehuman body exists in the image, inputting the human body into an abnormal behavior detection model for abnormal behavior detection and obtaining a result. The system is designed based on the method,human body detection is carried out by using deep learning, and then three abnormal behaviors possibly existing in a community are judged by using the trained fall detection model, fighting model andcrowd judgment model, wherein a Mahalanobis distance, an Euclidean distance and an IOU are used in the algorithm. The method can adapt to complex scenes of a community environment, the probability oferror identification is greatly reduced, and the method has important significance for improving community management and safety quality.

The invention discloses an escalator floor plate video monitoring method by combination of machine visual sense and infrared array. The method includes the steps of acquiring video images and infrared images, 2) coordinate registering for the video images and infrared images, 3) using CodeBook algorithm to establish a background model, extracting article and passenger foreground images, 4) using infrared images to detect pedestrians in foreground images, 5) using a Kalman filter to track passenger targets, 6) using Fitzgibbon algorithm to conduct contour detection and ellipse fitting for the foreground images, 7) eliminating passenger targets in 6) and using the Kalman filter to track article targets, and 8) monitoring the floor plate area by analyzing the moving speed and moving direction of the articles and passenger center coordinates. Articles and passenger behavior on an escalator floor plate can be detected and analyzed through the algorithm. When abnormity occurs, an emergency solution can be timely started to minimize the potential damage of the abnormity.

The invention discloses a machine vision-based passenger crossing handrail detection algorithm. The algorithm comprises steps of 1) collecting a video image and selecting a region of interest (ROI region); 2) using a codebook algorithm to establish a background model of the video and performing a background difference; 3) performing image processing on the foreground obtained; 4) determining whether there is a passenger in the foreground through the gray histogram template of an armrest belt; 5) using the camshift algorithm to track the part of the foreground belonging to the human body; 6) calculating the size of the area corresponding to the foreground of the human body, and the coordinates of the center point; and 7) analyzing whether there is a passenger crossing the handrail through the ratio of the on-handrail area to the outside-of-foreground area as well as the relationship between their center positions. The algorithm of the invention can effectively improve the safety quality of the escalator, avoid the further deterioration of the situation after the emergency, and minimize the damage caused by passengers climbing the handrail on the escalator.

The invention provides a method for removing environment hormone dimethyl phthalate in water body; the treated water is mainly used for water supplying in towns and cities and being stored in water plants; the method comprises the following steps: (1) flocculating agent-poly-dimethyl diallyl ammonium chloride is added in a reactor with source water, and the source water and the flocculating agent are completely stirred uniformly. (2) The source water treated in the step (1) is placed still for a while, and then the source water is discharged for subsequent treatment after carrying out flocculating settling. In the invention, the poly-dimethyl diallyl ammonium chloride is used as the flocculating agent to adsorb dimethyl phthalate in source water, and then the content of the dimethyl phthalate is effectively reduced through flocculating settling, so as to greatly improve the municipal engineering water supplying safety and hygienic quality. The method has the characteristics of convenient operation, low treating cost, easily-controlled conditions and stable treatment effect and can remove more than 60 percent of dimethyl phthalate organic matters in source water.

A universal bellhousing which may be adapted to a variety of automotive engine and transmission combinations and method of making the same is disclosed. The bellhousing is made by spin forming a sheet of steel and welding a transmission plate onto the cone. The cone and transmission plate are indexed to mount to a specified engine-transmission combination.

The invention discloses a mining method tunnel construction method and structure through which a tunnel can penetrate through surrounding rock poor in geological condition. The surrounding rock is provided with a large-span V-shaped funnel. The structure comprises a pipe shed, a plurality of steel pipes with the external inserting angle being 5-15 degrees are arranged within the 120-150 degree range of an arch part of the tunnel planned to be constructed, the annular interval is 250-350 mm, each steel pipe is 6-18 m long, each steel pipe is exposed by 1m, the exposed lower end of each steel pipe is provided with a flange for preventing slurry from leaking outside after grouting ends, the upper end of each steel pipe stretches into the surrounding rock on the other side of the V-shaped funnel after passing the surrounding rock on one side of the V-shaped funnel and the space of the V-shaped funnel, and slutty outlet holes are evenly distributed in the portion, located in the space of the V-shaped funnel, of each steel pipe and pipe segments in the surrounding rock on the two sides of the V-shaped funnel. Through the method and structure, a good advanced supporting effect can be achieved, it can be guaranteed that the tunnel safely penetrates through the geological section, and construction safety and construction quality are effectively guaranteed.

The invention discloses a valve debugging and diagnosis integration device and an analysis method. The integration device comprises a sensor, a transmitter unit, a data acquisition and processing unit, a control and analysis unit, a monitoring and operation unit, a driving unit and a system power supply. According to the invention, installation and debugging after the maintenance can be performed on four kinds of valves like electric switch valves, electric adjusting valves, pneumatic switch valves and pneumatic adjusting valves; comprehensive and quantitative automatic analysis can be performed on operation performance parameters of debugged or operated valves; manufacturing, installation, maintenance and debugging quality of the valves can be checked; potential defects in the valves can be found in advance so that the defects can be eliminated in advance; the production benefit and safety in the production process are improved; meanwhile, related parameters and test steps in the debugging and operation performance parameter analysis processes are automatically stored and reports are generated, so analysis can be easily performed after a valve fails in the production processes; and in addition, by use of AI and DI channels of the device, real-time acquisition or monitoring can be performed on all kinds of physical quantity in the production processes; and the integration device has functions of a high speed recorder.

The invention discloses a slag salvaging cylindrical drill for a drilled pile. The slag salvaging cylindrical drill is characterized in that a cylinder is arranged, a drilling rod is arranged at a neutral axis position of the cylinder, and the top end of the drilling rod penetrates through the top of the cylinder and is provided with a flange disc; the inner part of the cylinder is separated into semi-cylindrical cylinders at two sides by a longitudinal clapboard; a bottom steel beam is arranged at the bottom of the cylinder and is at a position crossing with the bottom edge of the longitudinal clapboard, drilling teeth are arranged on the bottom steel beam at intervals, the bottom steel beam divides the semi-cylindrical cylinders into salvaging bins and storing bins, the salvaging bins are open sectors and the storing bins are sectors of which the bottoms are sealed with steel meshes; and the salvaging bins in the semi-cylindrical bins at two sides are arranged at diagonal positions. According to the invention, the phenomena of pipe plugging, hole collapse and chambered holes in the drilling construction can be effectively reduced, and the construction progress and the safety quality of a pile foundation are ensured.

The invention relates to the technical field of intelligent air conditioners and discloses a method, device, equipment and system for sleep environment control in a home system. The home system comprises a cloud control device, an air conditioner and a non-contact sleep device, wherein the air conditioner and the non-contact sleep device are in communication connection with the cloud control device. The method comprises steps that the current user sleep state information, monitored by the non-contact sleep device, of a user within the action range of the air conditioner is obtained; the current user sleep state information is analyzed, and the first current user sleep state information corresponding to a first user with the highest user category priority is determined; and according to the first current user sleep state information, the air conditioner is controlled to operate. The method is advantaged in that the intelligent scene of the sleep environment is realized, and home intelligence is improved.

The invention relates to a preparation method of a multi-effect organic foliage conditioner, which comprises the following steps: mixing biomass charcoal and water in a mass ratio of 1:(20+ / -5), stirring uniformly to obtain a mixed solution, leaching the mixed solution at the high temperature of 80-85 DEG C for 3+ / -1 hours, oscillating in an oscillating table at the rotation speed of 180+ / -30 r / min for 24+ / -3 hours to obtain a biomass charcoal extracting solution, and carrying out vacuum filtration on the biomass charcoal to obtain the liquid foliage conditioner of which the pH value is 8-11 and the total organic carbon (TOC) content is 297-566.7 mg / L. On the premise of reducing the input of the inorganic fertilizer, the foliage conditioner can increase the yield by 58.94%, obviously enhances the contents of vitamin C and soluble proteins in pakchoi, lowers the content of nitrates, and improves the grade and safety quality of vegetables.

The present invention provides a software security detection method for code reuse programming. The method comprises five stages: instruction sequence disassembling, basic functional code snippet collecting, attack code generation, attack code recording and software security reporting. In the instruction sequence disassembling stage, a byte sequence before returning an instruction is disassembled. In the basic functional code snippet collecting stage, an instruction sequence collected in the previous stage is input; it is determined whether the instruction sequence belongs to a basic function; and the instruction sequence, if belonging to the basic function, is collected as a code snippet of the basic function. In the attack code generation stage, code snippets of all basic functions are combined according to a predefined attack template to generate an attack code; for a code snippet that has a side effect and that is contained in the attack code, the side effect of the code snippet is eliminated by using a side effect elimination policy, so as to ensure normal implementation of the function of the attack code. In the attack code recording stage, the attack code, from which the side effect is removed successfully, is recorded in a corresponding test result file.

The invention relates to a process for making fresh-keeping pea bean jelly and particularly belongs to the technology of food production. The process comprises eleven steps of primary smashing, primary filtering and sieving, primary cold water stirring, primary white pea whole powder dissolving and stirring, primary boiling water for being pasty, primary stewing, primary cooling,primary sterilizing, secondary sterilizing, secondary cooling and carrying out ex-factory inspection. According to the invention, the materials are easy to obtain and unique, the operation is simple and convenient, and the problems of low security and the like caused by over-simplified process in the prior art; in the process, pea is adopted as a raw material, so that the original taste and color of the bean jelly can be preserved and also the nutritional value of the bean jelly can be increased, and thus the pea bean jelly is a snack food for the special taste.

The invention discloses an information issuing method, device and system. The information issuing method comprises that a first information issuing request of first type information is obtained, the first information issuing request is carried with the identification of a user issuing the first type information, then the authentication result of the user identification is obtained; if the authentication result is that the user identification passes the authentication, a corresponding information input interface is generated in dependence on the first information issuing request, the first type information to be issued is obtained through an information acquisition interface in the information input interface, then a second information issuing request of the first type information is generated in dependence on the first type information to be issued, and the second information issuing request carried with the first type information to be issued and the user identification is sent to a network side. By employing the above scheme, the first type information can be managed and controlled effectively, and influence of management and control of the first type information on other type information (such as common information) is greatly reduced.

The invention discloses an absorbing and compressing treatment machine for waste metal. The machine comprises a machine body and a handcart, wherein the handcart comprises a base board, universal wheels and a pushing handle; the machine body is fixedly connected to the base board; a feeding port is formed in the front end of the machine body; an absorbing pipe is connected to the outside of the feeding port of the machine body, and a heating furnace is arranged at the inside of the feeding port of the machine body; a hydraulic pump is arranged at the rear end of the heating furnace, and a connecting pipe is arranged between the input end of the hydraulic pump and the heating furnace; the hydraulic pump is connected to a compressor; a roller of which two sides are provided with rotating devices is arranged in the compressor, and the rotating devices are fixedly connected to the inner wall of the compressor; a guide rail is arranged on the inner wall of the compressor, and a fixing seat is slidably connected into the guide rail; the rotating devices are fixedly connected to the fixing seat; a rolling groove is formed in the bottom end of the compressor. According to the abovementioned mode, the machine has the advantage of being capable of absorbing the waste metal and compressing the waste metal.

A herbiciding fertilizer able to speed up the erosion of wheat straw for rice field contains proportionally fertilizer component N+P2O5+K2O+Zn, bacterial component, and herbicide component.

The invention discloses a novel multifunctional operation trolley used in the power industry, and mainly relates to the field of power construction equipment. The novel multifunctional operation trolley comprises a bodywork assembly, a ground lead take-up and pay-off winding frame, an operation rod placing frame, an insulation apparel placing frame, a nameplate placing box, a foldable insulating ladder and a multifunctional ground gun. The bodywork assembly comprises a bottom steel plate, triangular wheels and a pull rod assembly, and a bundling rope is arranged on the bottom steel plate; the multifunctional ground gun comprises an insulation ground bar and an electrical inspection device, and the electrical inspection device comprises a fixed supporting rod, a small flashlight, a connecting and supporting insulation rod, an electroscope generator and an electroscope spring contact. The novel multifunctional operation trolley has the advantages that by adopting the triangular wheels, the novel multifunctional operation trolley can conveniently goes upstairs and downstairs, the equipment can be regularly classified, sorted and placed on a bodywork, management and placement are in order, and the construction efficiency is greatly improved; all construction equipment can be transported in a one-off mode, and time waste is avoided.