701results about "Weighing apparatus for continuous material flow" patented technology

The invention provides a combined judgment method and system for the shield deslagging quantity, and relates to the technical field of underground tunnel construction, and the method comprises the following steps: obtaining a first deslagging quantity measured by a slag transfer groove, a first weight measured by a weight system and a first volume measured by a volume system every first tunneling distance, a weight system and a volume system are arranged on the belt conveyor; the first weight is converted to obtain a second volume corresponding to the first weight, the first deslagging amount is compared with the first volume and the second volume, three transverse deviations are obtained, and the transverse deviations are the absolute value of the difference value between any two volumes; and if all the transverse deviations are smaller than the first preset threshold value, it is judged that the deslagging amount within the first tunneling distance is normal. According to the scheme, the three modes of slag transfer tank measurement, weight system measurement and volume system measurement are used in a combined mode, errors caused by a single measurement mode are reduced, and the measurement accuracy of the slag tapping amount is improved.

The invention discloses an omnidirectional tension iterative compensation type array electronic belt scale measuring device and method. The device comprises a signal acquisition module, a signal processing module, a dynamic iterative compensation and fusion module, a redundancy check module and an integral operation module. Multi-source signal synchronous acquisition is realized through an array type weighing unit, a three-axis tension detection unit and a speed detection unit, dynamic gain amplification, anti-aliasing filtering and AD conversion are carried out, then a three-axis tension signal is adopted to carry out dynamic iteration compensation on a weighing signal, belt deformation compensation, transverse deviation correction and frequency domain vibration suppression are executed, and the weighing precision is improved. And environmental interference is eliminated in combination with redundant cross check. And finally, the real-time coal feeding amount is output through integral operation. According to the method, the limitation of traditional static compensation is broken through, errors caused by tension fluctuation, mechanical vibration and transverse deviation are effectively restrained through the multi-dimensional dynamic fusion compensation technology, the anti-interference capacity is high, and high-reliability metering support is provided for energy efficiency management of the coal-fired unit.

The invention discloses an automatic verification device and method for a weighing coal feeder device. The automatic verification device comprises a weight calibration system, a weight verification control system, a sensor calibration system and a weighing coal feeder. According to the invention, the weight of the standard weight most suitable for the current calibration requirement is dynamically calculated and selected through the weight calibration system based on historical data, environmental parameters and the like of the weighing sensor, so that the calibration precision and flexibility are greatly improved, and variable working condition requirements can be met; according to the invention, an automatic weight verification control system is designed, horizontal displacement, lifting adjustment and state switching of the weight are realized, and the calibration process is fully automatic; the output data of the sensor are collected in real time through the sensor calibration system, dynamic correction is carried out in combination with multiple times of weighing error calculation and historical data, drift and error trends of the weighing sensor are analyzed in real time in combination with parameters such as temperature, humidity and vibration, and error correction values are generated, so that the accuracy of weighing data is ensured.

An X-ray inspection apparatus includes a conveyance unit configured to convey articles, an X-ray irradiation unit configured to irradiate the articles conveyed by the conveyance unit with X-rays, an X-ray detection unit configured to detect X-rays transmitted through the articles, an image generation unit configured to generate an X-ray transmission image based on a detection result by the X-ray detection unit, and a calculation unit configured to calculate, based on the X-ray transmission image, the total amount of the articles conveyed per predetermined time by the conveyance unit.

The utility model relates to a floating balance type electronic belt scale of a belt filter, which is provided with an equipment main body of the filter, filter cloth in circulating transmission is arranged on the equipment main body, the filter cloth is supported by a plurality of first carrier rollers on the equipment main body, the filter cloth is in driving fit with an adhesive tape, and the adhesive tape is wound on two driving wheels. A weighing bridge frame module consisting of more than two second carrier rollers, floating type balancing frames and weighing sensors is arranged at the discharging end of the equipment main body, the second carrier rollers are mounted at the bottoms of the floating type balancing frames, the floating type balancing frames are arranged on the left side and the right side of the filter cloth, and the weighing sensors are arranged on the floating type balancing frames. A weighing sensor is correspondingly arranged at the bottom of the floating type balancing frame and installed at the end of the equipment body. The electronic weighing scale overcomes the defects that an existing electronic weighing scale cannot adapt to a wide vacuum belt filter and has large requirements for installation space, can be installed without changing the main body structure of the vacuum belt filter, and is high in applicability.

Method and digital signage server for optimizing placement of digital signage content based on audience segments of a plurality of digital signage players. A plurality of segments for the players are stored at the server. Characteristics for a plurality of contents are received at the server. A matching algorithm is executed by the server, comparing the characteristics of the plurality of contents with items of the segments for the plurality of players, to identify for each content a target segment matching the characteristics of the content. One of the contents is selected and a plurality of candidate players is determined among the plurality of players, each candidate player having the target segment of the selected content. The server further identifies one or more target players from the plurality of candidate players for displaying the selected content, based on metric thresholds of respective corresponding metrics defined for the candidate players.

An inspection device in a radiation protection housing comprises an electromagnetic radiation-based inspection device, especially an X-ray device and a weighing device. The inspection device an endless conveyor belt for transporting products in a transport direction from an entry region to an inspection region, from there to a region for weighing, and from there to an exit region of the inspection device. An upper run of the endless conveyor belt in its path from the region for weighing to the exit region, traverses a height difference in in a height direction by means of an inclined region. The conveyor belt circulates around at least part of the inclined region and the weighing device, looking in the transport direction, is disposed immediately in front of the inclined region in the inspection device.

The invention relates to the technical field of iron and steel industry, in particular to an internet of things weighing monitoring method and system based on the iron and steel industry, and the method comprises the following steps: continuously collecting the weight information of steel materials based on a weight sensor installed on a conveyor belt, recording the weight value and the corresponding timestamp of each material in real time, and removing the noise and abnormal values in the data; and obtaining a cleaned weight data set. According to the invention, the real-time change of the weight of the material is accurately monitored through the time sequence analysis and anomaly detection technology, so that the iron and steel industry can accurately control the use of the material, unnecessary waste is avoided, the real-time performance and accuracy of data processing are improved, production personnel are allowed to discover production deviation in real time through continuously updated weight prediction information, and the production efficiency is improved. According to the method, rapid intervention, rapid identification of abnormal weight points and reason analysis are carried out, material loss caused by misoperation or equipment faults can be greatly reduced, and the continuity of the production process is further ensured by adjusting production parameters in real time.

The invention relates to the technical field of data processing and analysis, and further relates to a copper concentrate multi-source fusion grade and moisture content rapid estimation system, which comprises an acquisition and fusion unit used for acquiring an element response sequence, a spectral reflection sequence, a mass flow sequence and a mileage sequence, forming an alignment time index on a material track grid, and obtaining a material track grid; an aligned multi-source observation sequence is obtained; the decision estimation unit is used for running a ternary determinacy intersection decision algorithm on each material section unit in the aligned multi-source observation sequence and material track grids; and the result issuing unit is used for receiving batch records of the test system, positioning a batch window according to the alignment time index, generating a parameter snapshot and a traceability log, and issuing a process control result and a trade settlement result at the same time.

The utility model discloses a flexible stirring scale. A weighing mechanism comprises four groups of weighing modules which are fixedly arranged on the top surface of a supporting frame in a pairwise symmetrical manner; the stock bin mechanism is fixedly arranged in the supporting frame through the weighing module. An upper shell and a lower shell of the stock bin mechanism are fixedly connected in a sealed mode, and the upper shell and the material cover assembly are fixedly connected in a sealed mode. The conveying mechanism is arranged at the bottom of the lower shell and used for conveying materials in the stock bin mechanism. The two flexible beating assemblies are used for improving the mobility of materials in the stock bin mechanism. The vibration mechanism is arranged on the outer side wall face, located between the two flexible beating assemblies, of the lower shell and used for regularly beating the wall face of the lower shell. The flexible stirring scale provided by the utility model can realize continuous conveying and accurate continuous metering of sheet-shaped and block-shaped materials which are extremely poor in flowability and are afraid of being broken in the conveying and metering process, the materials are conveyed smoothly, and the weighing and metering are accurate.

The invention discloses an electronic belt scale dynamic deviation rectification control system based on an AI algorithm, relates to the technical field of belt deviation rectification control, and solves the technical problems of low overall data transmission efficiency and low deviation rectification efficiency caused by lack of effective analysis and adjustment in the aspects of communication protocol optimization and mechanism response delay. According to the method, the data transmission quantity and the communication interaction times are reduced, the communication efficiency is improved, the requirement of the system for computing resources is reduced, the stability of the system in a complex industrial environment is enhanced, and the system is suitable for industrial application. Belt deviation misjudgment and deviation correction abnormity caused by the communication problem are reduced, and a model can be established through the execution response optimization module by obtaining historical data and related data of an execution mechanism to analyze the correlation between the belt deviation amount and the response of the execution mechanism.

A gravimetric metering unit for bulk material includes a metering device, which has a container for bulk material to be metered and a base unit. The base unit has a screw conveyor, which is operably held in position and driven by means of a holder. The screw conveyor and the holder can be axially plugged together and are designed such that they can be operably fastened to each other by means of a plug-in connection. The plug-in connection is a magnetic connection.

An apparatus and method for automatically weighing dough pieces from the rounding conveyor, dynamically weighing the dough pieces. The weight information is analyzed by a weighing mechanism which can include a weigh conveyor or other means for weighing to determine whether it represents the weight of pieces or the empty weight, and may be used to provide a signal proportional to the weight of a dough portion, or group of dough portions in order to automatically adjust the rate at which dough is fed to the dividing mechanism, thereby increasing or decreasing the dough piece weights to maintain the desired amount of dough per piece.

Wireless technique of measuring the gross weight of sheet material on a finished reel spool generates real time weight readings. An apparatus for determining the gross weight of sheet material on a roll includes: a spool that is equipped with an RFID tag to identify its tare weight and / or its spool identification number wherein the spool is configured to wind the sheet of material; means for lifting a roll of material that is wound on the spool and comprises a sensor configured to sense a force produced by the roll of material when lifted and transmitting wireless signals that include information representative of the force produced by the roll; and means for calculating the gross weight of the sheet of material wound on the roll. The actual weight measurements achieve fast dynamic correlations to the online weight measurements. Operating parameters of actuators and sensors can be adjusted following verification.

The invention discloses a multi-mode self-adaptive UHPC fiber dispersion metering device and method.The device comprises a dispersion bin and a belt conveying device, a weighing device is assembled on the belt conveying device so as to dynamically weigh fiber materials on the belt conveying device in real time, and the upper end and the lower end of the dispersion bin are connected with a discharging bin and a discharging hopper respectively; a discharging opening communicated with the discharging hopper is formed in the middle of the dispersing bin, a material distributing disc is rotationally arranged on the discharging opening, a main shaft is assembled in the middle of the material distributing disc, a first motor is installed at the top of the discharging bin through a support, and an output shaft of the first motor is in transmission connection with the main shaft; through the multi-mode self-adaptive design, the device can automatically adjust the dispersion strength, switch the filter sieve plate and adapt to flow control parameters according to the characteristics of different types of fibers such as synthesis, minerals and metals, realizes efficient and uniform dispersion and accurate metering of the fibers, effectively adapts to the production requirements of multi-formula UHPC (Ultra High Performance Concrete), and greatly improves the application range and production flexibility of the device; and the UHPC quality stability is ensured.

The invention relates to the technical field of weighing equipment, in particular to a control system for a mining intrinsic safety type belt weigher. The system comprises a conveying device used for conveying materials, an energy supply device used for supplying energy to the conveying device and a belt weigher used for measuring the materials, gravity information and speed information are obtained through a weighing unit and a testing unit in the belt weigher respectively, and then a conversion unit processes the gravity information and the speed information to obtain a pressure difference signal and a pulse signal; then the extraction unit obtains an instantaneous quantity and a cumulant based on the processing of the differential pressure signal and the pulse signal, the analysis unit judges whether the operation of the belt weigher in the current measurement period is qualified or not based on the calculated cumulant, if yes, the cumulant is output, and if not, the reason is determined and a corresponding correction instruction is generated; operating parameters of the corresponding devices or units are adjusted through the control unit based on the instructions; the self-adjustment of the system is realized by adjusting operation parameters, so that the material measurement precision of the belt weigher in the system is improved.

A device (1) for small-volume bulk material is described, comprising a singulation arrangement (3) and a measuring device (23) arranged below the singulation arrangement (3), wherein the measuring device (23) includes at least one measuring station with which a bulk material can be measured. A transport device (19) is provided between the singulation arrangement (3) and the measuring device (23), with which the bulk material can be fed to the at least one measuring station of the measuring device (23).

A weighing apparatus includes: a transport unit capable of transporting an article; a weighing unit connected to the transport unit and configured to output an original signal related to a weight; and a weighing control unit configured to output a weighing value of the article by processing the original signal, wherein the weighing control unit is configured: to determine whether or not to adjust a zero point on the basis of a determination signal obtained by applying a first filter to the original signal; to generate an adjustment signal obtained by applying a second filter having more stages than the first filter to the original signal or the determination signal in a case where it is determined that the zero point is to be adjusted; and to perform adjustment of the zero point on the basis of the adjustment signal.

The invention provides a chip collecting device, a control method and device and a medium. The scrap collecting device comprises a conveying part, at least part of the conveying part is movably arranged, and the conveying part is provided with a bearing face used for bearing scraps; the dust suction part is arranged on one side of the conveying part, and a dust suction opening of the dust suction part faces the bearing surface so as to be used for sucking splashed sweeps; the weight detection piece is arranged on the conveying part and is used for detecting the weight of the scraps on the conveying part; the conveying part, the dust collection part and the weight detection part are all connected with the control part, so that the moving speed of at least part of the conveying part and the air volume of the dust collection part are controlled according to the detection result of the weight detection part. By means of the technical scheme, the problem that in the prior art, the automation degree of a chip collecting device is low can be solved.

The invention discloses a sintering feeding process belt weigher mutual verification system based on a time sequence and a control method, and belongs to the technical field of sintering equipment control, the sintering feeding process belt weigher mutual verification system comprises sintering feeding equipment and a verification system, and a material metering device and a water adding flow meter of the sintering feeding equipment are both connected with the verification system; the verification system comprises a data processing module, a time table module, an abnormity analysis module and a data alarm module, the data processing module is connected with the time table module, the data processing module and the time table module are connected with the abnormity analysis module, and the abnormity analysis module is connected with the data alarm module. According to the invention, the material balance theory and the time sequence algorithm are organically combined to realize mutual verification between the belt weighers, abnormal measurement data are judged, and a producer is prompted to carry out calibration and maintenance in time, so that the accuracy and stability of the measurement data in the sintering and feeding process are ensured, and the accuracy and robustness of a related control model are improved.

The invention discloses a long-term stable and reliable high-precision belt scale based on artificial intelligence, particularly relates to the field of electronic belt scales, and comprises an environment sensing module, a data acquisition module, a multi-modal data fusion module, a self-learning calibration module, an intelligent fault early warning module and a dynamic control module. According to the long-term stable and reliable high-precision belt weigher based on artificial intelligence, full-dimensional data acquisition is realized through a multi-sensor cooperative monitoring technology of an environment sensing module, the acquisition precision of environmental parameters is improved, and the metering stability in a complex environment is improved; through transfer learning of the self-learning calibration module and the convolutional neural network technology, the dynamic compensation parameter updating frequency is improved, and the metering precision attenuation rate in the whole life cycle is reduced; the weight is driven by the servo motor to be automatically loaded, updating of the self-learning calibration model is triggered in real time, the frequency of manual intervention and the maintenance cost are reduced, and the shutdown requirement of traditional chain code verification is avoided.

The invention relates to a belt weigher weighing precision compensation method based on multi-sensor data fusion. According to the method, an original weighing signal and an electromagnetic interference signal of the belt weigher in a running state and a baseline noise signal in a no-load state are synchronously acquired, a feature vector is extracted based on the electromagnetic interference signal, and an intermodulation noise component in the weighing signal is predicted by using a nonlinear system identification model in combination with the baseline noise signal. Then, the noise component is subtracted from the original weighing signal through an adaptive cancellation algorithm to obtain a local compensation weighing signal, and finally, a final weighing signal is generated based on a plurality of local compensation weighing signals through a signal-to-noise ratio weighted fusion algorithm, so that intermodulation noise caused by electromagnetic interference generated by the variable frequency driver is effectively suppressed. The weighing precision and the anti-interference capability of the belt weigher are improved.

An apparatus and method for automatically removing dough pieces from overhead dough proffer, statically weighing the dough pieces and reinserting them back in to the proofer they were removed from in the process stream. The weight information is analyzed by a weighing mechanism which can include a weigh bucket or other means for weighing to determine whether it represents the weight of pieces or the empty weight, and may be used to provide a signal proportional to the weight of a dough portion, or group of dough portions in order to automatically adjust the rate at which dough is fed to the dividing mechanism, thereby increasing or decreasing the dough piece weights to maintain the desired amount of dough per piece.

A device and a method for weighing a roll of continuous web material on a spool at a weigh-ing station in a continuous process is described, which has fewer mechanical parts and is safer to use than prior devices and methods. The device is arranged adjacent to at least one of a pair of guide rails and comprises a damper and a load cell. wherein the load cell is integrated into at least one guide rail.

The utility model discloses an electronic belt scale, which relates to the technical field of weighing equipment and comprises a weighing frame, brackets are arranged on the weighing frame at intervals, horizontal carrier rollers are arranged on the brackets, side rollers are arranged at two ends of each horizontal carrier roller, and an obtuse angle is formed between each horizontal carrier roller and each side roller. The wireless pressure sensors are embedded into the surfaces of the carrier rollers and the side rollers, the carrier rollers and the side rollers roll along with belt transmission, respective IDs are arranged in the wireless pressure sensors, different serial numbers are marked on the horizontal carrier rollers or the side rollers, and the wireless pressure sensors with the different IDs are matched with the different serial numbers; the speed measuring sensor is arranged at the bottom of the weighing frame and abuts against the belt at the bottom to measure the speed; the weighing display controller is arranged on one side of the belt and connected with the weighing sensor, the speed measuring sensor and the wireless pressure sensor. According to the utility model, a faulted horizontal carrier roller or a faulted side roller can be quickly and accurately replaced in a compilation manner.

The invention discloses a carbon emission monitoring management method and device, and relates to the technical field of carbon emission monitoring management, and the method comprises the steps: multi-source data acquisition, adaptive calibration analysis, carbon emission deviation positioning management and early warning prompt, based on the acquired multi-source data, a corresponding theoretical carbon emission value and an actually measured emission value are generated, and the carbon emission value and the actually measured emission value are calculated. According to the method, whether a self-adaptive calibration mechanism generated by corresponding carbon emission prediction of the industrial park is triggered or not is predicted, a corresponding adjustment state transition matrix is obtained through analysis, monitoring and management of carbon emission data are achieved, intelligent and efficient carbon emission is achieved, and meanwhile, according to a multi-source data dynamic calibration mechanism, a multi-source data dynamic calibration mechanism is obtained. According to the method, the consistency and reliability of carbon emission data can be remarkably improved, system errors of traditional single-source monitoring are effectively reduced, automatic identification and positioning of error sources are efficiently achieved, the robustness of the system is improved, and intelligent and efficient carbon emission monitoring management is achieved.

The invention relates to the technical field of weight measurement of transported articles, in particular to a computer-aided high-efficiency weight measurement method and device, and the method comprises the steps: calculating the weight of an article according to the distribution of abnormal values in a weight sequence of the article collected by a sensor on a conveyor belt, and the overall weight difference between the sensor and other sensors; determining a deviation calibration factor of each weight sequence at the current moment; and correcting each weight sequence based on the deviation calibration factor, correcting the measured weight of the article twice by using a recursive filter for each corrected weight sequence, and taking the result of the two times of correction as the actual weight of the measured article. The invention aims to improve the accuracy of dynamically measuring the weight of the object.

The utility model is suitable for the technical field of online checkweighers, and provides an online checkweigher with a protection function, which comprises an online checkweigher body, and a conveyor belt is arranged on the online checkweigher body. The bottom plate is fixedly arranged at the bottom of the on-line weight checking machine body; the two screw rods are rotationally mounted on the bottom plate, and the same supporting plate is mounted on the two screw rods in a threaded manner; the multiple damping pads are fixedly installed on the supporting plate, and springs are fixedly installed at the tops of the multiple damping pads; the placing plate is fixedly mounted on the plurality of springs, and a groove for placing a collecting box is formed in the placing plate; and the driving mechanism is assembled on the bottom plate and is used for lifting the collecting box. According to the on-line weight checking machine with the protection function, the problem that in the using process of an existing on-line weight checking machine, due to the fact that buffering measures for the collecting box are lacked, articles subjected to weight detection are prone to being damaged when entering the collecting box is solved.

The invention relates to a fruit conveying line dynamic weighing method and system based on a multi-angle slope. The method comprises the following steps: acquiring a normal force data set of a target fruit passing through at least three preset slopes at different angles within a preset time, and performing preprocessing; the average value of the preprocessed normal force data set is calculated, and the corresponding masses of the target fruit passing through the slopes of the different angles are calculated based on the average value, the preset gravitational acceleration and the different angles; and calculating the mass corresponding to the target fruit passing through the slopes of different angles based on a weighted average method, and compensating the mass based on a preset high-speed motion correction factor to obtain a mass value corresponding to the target fruit. According to the method, the normal force is directly measured through the short slopes with different inclination angles, the weighted average algorithm is combined to calculate the mass, the single-point contact error caused by rolling is eliminated, the slopes are designed according to the characteristics that the fruits are round and easy to roll, pressure changes are captured, motion compensation is carried out, and the measurement stability of the fruits with irregular skins is ensured.