32results about How to "Improve weighing accuracy" patented technology

The utility model discloses a plastic wood product production system device which comprises a main material storage and conveying area, an auxiliary material feeding and weighing area and at least one mixed material conveying, extruding and feeding area. A CaCO3 main material storage and conveying unit, a CaCO3 transition unit, two groups of PVC main material storage and conveying units and a wood powder main material storage and conveying unit are arranged in the main material storage and conveying area; a group of auxiliary material pouring bin dedusting and weighing units are arranged in the auxiliary material feeding and weighing area; a mixing unit, a mixture conveying unit and a mixture storage and extrusion feeding unit are arranged in the mixture conveying, extruding and feeding area. The device has the advantages of being efficient in operation, high in weighing precision, good in mixing effect, remarkable in energy conservation, environmentally friendly, high in automation degree and the like.

The invention provides a weighing system and method of a kitchen garbage truck and electronic equipment, and relates to the technical field of kitchen garbage trucks, the system comprises a data acquisition module, a data processing module and a man-machine interaction module, the data acquisition module is used for acquiring data in a barrel lifting mechanism of the kitchen garbage truck, and the data processing module is used for processing the data; oil pressure data of the lifting oil cylinder and angle data of the turnover angle of the turnover frame are obtained; the data processing module is a gateway assembly arranged at the rear end of a cab, and is used for receiving the oil pressure data and the angle data, and carrying out weighing calculation processing based on the oil pressure data and the angle data through a moment balance principle when an overturning angle reaches a preset weighing angle interval to obtain a load mass, a residual mass and a net pouring mass; and the man-machine interaction module is a display screen arranged in a cab and is used for receiving and displaying the loading mass, the residual mass and the net pouring mass sent by the data processing module in real time. According to the invention, the weighing efficiency and the weighing accuracy of the garbage truck can be obviously improved.

The invention relates to a dynamic weighing method based on a piezoelectric acceleration sensor, and belongs to the technical field of dynamic weighing systems, and the method comprises the following steps: S1, installing at least one piezoelectric acceleration sensor on a structural body bearing an object to be weighed, and collecting a vibration acceleration signal of the structural body under a dynamic load in real time; s2, applying an active excitation signal with a preset frequency and a preset amplitude to the structural body through an actuator; s3, acquiring an output signal of the piezoelectric acceleration sensor under the active excitation, and extracting a vibration response component in the output signal; s4, calculating the dynamic mass of the to-be-weighed object based on the vibration response component; and S5, outputting a calculation result of the dynamic quality. According to the dynamic weighing method based on the piezoelectric acceleration sensor, vibration interference is effectively separated and compensated through an active excitation and response analysis mechanism, and the weighing precision in non-static states such as vibration and movement is remarkably improved.

The invention discloses a metal wire inverted take-up machine, belongs to the technical field of metal wire take-up, and aims to solve the problems that existing take-up equipment is dispersed in function and insufficient in straightening, production needs to be interrupted during weighing, and unloading depends on manpower. The take-up machine comprises a pay-off rack, a traction device and a take-up translation device, the pay-off rack, the traction device and the take-up translation device are integrated, so that the whole-process integrated operation of pay-off, straightening, take-up, shearing, weighing and translation unloading is realized, high-precision take-up and weighing can be completed without interruption of production, the production efficiency is improved, the production cost is reduced, and the production efficiency is improved. And the problems of scratching and loosening of the wire rod in the process transfer are effectively avoided.

This application relates to an image processing method, apparatus, and computer device. The method includes: performing face recognition on a target image to obtain a target face region; determining target pixel information for each target pixel in the target face region based on reference pixel information of each reference pixel in a reference face region of each frame of the original image; for each target pixel, converting the target pixel information into color coordinates, and determining the weight of the target pixel based on the hierarchical relationship between the color coordinates and the range of human face coordinates; for each frame of the original image, determining the reference brightness of each reference pixel in the reference face region of the original image based on the weight of each target pixel and the original brightness of each reference pixel in the reference face region of the original image; and determining the current brightness of the target face region based on the reference brightness of each reference pixel in the reference face region. This method can improve the accuracy of face region brightness.

The utility model belongs to the technical field of feeding equipment, it is a granulator ration feeding device, include: through a plurality of weighing sensor support on the support frame screw conveyer auger, set up in the first buffer subassembly of screw conveyer auger feed port, first buffer subassembly includes: hard connection on the support frame compensation cylinder, the feed port of screw conveyer auger is connected to the compensation cylinder upper and lower activity nest, the upper portion of compensation cylinder still be provided with the connecting piece for connecting the discharge gate of bunker. Through the design of first buffer subassembly reduces the impact force of material falling, further improves the accuracy of measurement. The activity nest design of compensation cylinder and the feed port of screw conveyer auger makes screw conveyer auger not directly with bunker equipment contact, reduces the direct contact of bunker equipment and screw conveyer auger because of bunker equipment vibration leads to factors, the influence to screw conveyer auger and weighing sensor, thereby improves the weighing accuracy of feeding device.

The utility model relates to medicine weighing technical field discloses a kind of discharging mechanism of medicine weighing device, including base, the base lower surface is fixedly connected with connecting plate, the base upper surface is fixedly connected with shell, the discharging assembly includes hydraulic rod, blanking pipe and blanking cover, the blanking pipe is fixedly connected in shell inner wall, the blanking cover outer wall is rotatably connected in blanking pipe lower surface, the blanking cover outer wall is fixedly connected with connecting rod, the connecting rod one end is fixedly connected with connecting block, the blanking cover is arranged in shell interior, the blanking cover output end is fixedly connected in connecting block lower surface. In the utility model, discharging assembly is driven connecting block by hydraulic rod, drives connecting rod to rotate blanking cover, realizes the opening and closing of blanking pipe, accurately adjusts medicine falling rate, avoids excess or deficiency, the design simplifies discharging process, improves weighing accuracy and operation reliability, applicable to high-precision medicine subpackaging environment.

This invention provides a hydraulic integrated control system and method for an automatic weighing machine, relating to the field of hydraulic control technology. The system includes: a data receiving module for receiving raw weight signal streams, raw position signal streams, and raw vibration spectrum streams; a clutter filtering module for adaptive cooperative clutter filtering to obtain corrected weight signal streams and corrected position signal streams; a deviation calculation module for calculating real-time feeding lag deviations; a decision module for making feeding speed switching decisions and outputting a feeding gate control command sequence; a feedback module for performing handling task trajectory interpolation feedback to obtain multi-axis cooperative motion commands; and a timing control module. This invention solves the technical problem that existing automatic weighing machines, when performing multi-axis cooperative motions such as handling and conveying, often rely on single-axis control and lack efficient multi-axis cooperative control schemes, leading to reduced equipment accuracy and overall work efficiency.

An automatic metering conveying system and a control method of the automatic metering conveying system are disclosed according to an embodiment. The system may include: a frozen raw material conveying unit configured to convey a frozen raw material; a frozen raw material hopper unit provided so as to discharge the frozen raw material supplied by the frozen raw material conveying unit; a raw material conveying unit different from the frozen raw material conveying unit and configured to convey the raw material; a raw material hopper unit different from the frozen raw material hopper unit and provided to store and discharge the raw material supplied by the raw material conveying unit; and a processor for controlling the frozen raw material conveying unit and the raw material conveying unit such that the frozen raw material conveying unit stops moving based on the frozen raw material being accommodated in the frozen raw material hopper unit in a first preset amount, and the raw material conveying unit stops moving based on the raw material being accommodated in the raw material hopper unit in a second preset amount.

The utility model discloses an on-line weighing assembly of a photovoltaic frame, comprising a left substrate and a right substrate, the upper surface of the left substrate is provided with at least one left weighing sensor, the upper surface of the right substrate is provided with at least one right weighing sensor corresponding to the left weighing sensor, and the right substrate is provided with at least one right weighing sensor corresponding to the right weighing sensor. One end of each of the left weighing sensor and the right weighing sensor which are symmetrically arranged in pairs is mounted on the left substrate and the right substrate, the other end of each of the left weighing sensor and the right weighing sensor extends to the outer sides of the left substrate and the right substrate in opposite directions, and a deformation sensing area is arranged between the two ends of each of the left weighing sensor and the right weighing sensor; the deformation sensing areas are located on the outer sides of the left substrate and the right substrate, and the upper surfaces of the ends, close to each other, of the left weighing sensor and the right weighing sensor are each provided with a cushion block. According to the utility model, real-time weighing of a long-strip-shaped workpiece can be realized, the contact area between the long-strip-shaped workpiece and the workpiece and interference on the workpiece are small, and the long-strip-shaped workpiece weighing device has good weighing precision.

The utility model discloses a heavy load assembly line with weighing function belongs to heavy load assembly line technical field, include: base, the shape of base is rectangle, roller line, roller line is located the top of base, just has the weighing sensor between roller line and base, wherein, when material is transported to the roller line, the weighing sensor carries out the weighing, the utility model discloses in the process of transmission material, the weight of material is measured, reduces the time of back and forth carrying weighing, improves the efficiency of packing line.

This utility model discloses a belt scale with a cleaning effect, including a conveyor belt, multiple support components, a first scraping component, a second scraping component, and a roller brush assembly. The conveyor belt is positioned between two support plates via rollers. The multiple support components are respectively positioned below the return section of the conveyor belt and are in contact with the conveyor belt. The return section of the conveyor belt is equipped with a speed measuring roller and a weighing mechanism, which are respectively connected to a controller. The first scraping component is inclinedly positioned between the two support plates. The second scraping component reciprocates and is positioned on the scraping surface of the first scraping component, and is connected to a drive mechanism. The roller brush assembly is rotatably positioned below the return section of the conveyor belt and is connected to the drive mechanism via a transmission component. Thus, the reciprocating motion of the second scraper can promptly remove material adhering to the first scraper, preventing it from sticking back to the conveyor belt. This improves the surface cleaning effect of the conveyor belt and enhances the weighing accuracy of the belt scale.

This utility model discloses a device for measuring the growth indicators of marine fish, specifically a base plate, and further includes: two sets of weighing components for measuring the weight of marine fish; an adjusting component for adjusting the distance between the two sets of weighing components, and the adjusting component is located on the top of the base plate; and a fixing component for fixing the marine fish, and the fixing component is located on the weighing components. The adjusting component includes side plates, which are fixedly installed on both sides of the top of the base plate. A screw is rotatably connected between the two sets of side plates via bearings, and the thread directions at both ends of the screw are opposite from the middle. Both ends of the screw are threadedly connected to sliders. This utility model, by setting a fixing component on the weighing components, enables the fixing of marine fish during the measurement of their growth indicators, thereby improving the accuracy of weighing the marine fish.

The utility model relates to material conveying and metering equipment field, concretely relates to a high accuracy weight loss formula feeding machine, including hopper for storing the material of waiting to feed material, the bottom of hopper is equipped with the discharge pipe, the top of hopper is equipped with the feed inlet, spiral conveying subassembly sets up below the discharge pipe, including rotatable screw shaft and be used for driving the drive motor of the rotation of screw shaft, drive motor fixed connection is in the shell of hopper, the end of screw shaft is connected with the output shaft of drive motor through universal coupling, the periphery of screw shaft is equipped with spiral blade, for continuously, rationally conveying material from discharge pipe to downstream equipment. Through being provided with buffer assembly, elastic rubber pad is used for absorbing the environmental vibration in low frequency to medium frequency range, still be equipped with the limiting guide column of through rubber pad to limit excessive displacement in the horizontal direction of hopper, thereby reduce the influence of external vibration to the weighing sensor.

The utility model relates to the technical field of production equipment, and discloses an automatic metering scale which comprises a metering scale body and a buffer device, the metering scale body comprises a hopper, a supporting frame and a weighing sensor, the hopper is provided with a weighing cavity with an opening in the upper end, the weighing cavity is located in the hopper, and the supporting frame is located outside the weighing cavity and supported on the outer hopper wall of the hopper; the weighing sensor is used for weighing materials in the symmetrical material cavity, and the weighing sensor is located at the joint of the hopper and the supporting frame; the buffering device comprises a support located outside the weighing cavity and a buffering plate located in the weighing cavity, and the buffering plate is installed on the support, is close to the opening and is used for decelerating materials falling into the weighing cavity. The buffer plate is located at the position, close to the opening, in the weighing cavity, the falling materials are directly collided and decelerated, the impact force of the materials is reduced, it is ensured that the materials can slowly fall into the weighing cavity after being effectively decelerated, damage to all parts of the automatic weighing scale caused by huge impact force is avoided, and the service life of the automatic weighing scale is prolonged.

The utility model relates to the technical field of seed packaging, in particular to a multi-station discharging scale which comprises a rack, a storage hopper for storing materials is fixed to the top end of the outer wall of the rack, and a discharging hopper is arranged on the inner wall of the rack and located below the storage hopper. A weighing component for weighing discharged materials is arranged between the top end of the outer wall of the storage hopper and the bottom end of the outer wall of the storage hopper, the weighing component comprises a material conveying mechanism and a weighing hopper, and the material conveying mechanism is installed on the inner wall of the machine frame and located below a discharging opening of the storage hopper. A worker can control the material blocking plate frame to rotate through the second servo motor, so that the material blocking plate frame can shield an opening in the bottom of the conveying hopper, the opening in the bottom of the conveying hopper can be completely opened when a large number of seeds need to be conveyed, and the opening in the bottom of the conveying hopper can be shielded when conveying of the seeds needs to be limited; and therefore, the seed weighing precision of the hopper body can be improved, and personnel can use the hopper more conveniently.

The application discloses a weighing system and a calibration method thereof. The weighing system comprises: a first limiter for separating a total weighing section conveying frame from a straight section conveying frame; a second limiter for separating a main bearing weighing section conveying frame from the straight section conveying frame; a third limiter for separating an auxiliary bearing weighing section conveying frame from the straight section conveying frame; a transmission roller connected with a conveying belt; a total weighing section data acquisition module comprising a first speed sensor and at least four first weight sensors; a main bearing weighing section data acquisition module comprising a second speed sensor and at least four first weight sensors; an auxiliary bearing weighing section data acquisition module comprising a third speed sensor and at least four third weight sensors; and a weight calculation module for calculating the mass of a material to be measured. The weighing system designed in the embodiment of the application is simple in design, saves the design cost, and increases the accuracy of the weighing result.

The utility model discloses a kind of filling and sealing systems, including magnetic levitation conveying mechanism, and multiple groups of clamp being arranged on magnetic levitation conveying mechanism, magnetic levitation conveying mechanism is sequentially provided with first feeding station, filling and weighing station, second feeding station, combination station and detection station along conveying direction, first feeding station is used to input first container body for magnetic levitation conveying mechanism, filling and weighing station is used to fill material in first container body and weigh, second feeding station is used to input second container body for magnetic levitation conveying mechanism, combination station is used to combine second container body and first container body and form container whole, detection station includes foreign matter detection mechanism, clamp includes first mover and second mover, which are all arranged on magnetic levitation conveying mechanism.The present filling and sealing system has the advantages of improving production efficiency and weighing accuracy, reducing labor cost, and facilitating material feeding.

The invention is suitable for the technical field of weighing, and provides a printing and dyeing powder automatic weighing system, which comprises a workbench and a stock bin assembly, the stock bin assembly comprises a feeding hopper installed on the workbench, one end of the feeding hopper is provided with a butt joint mechanism, a driving assembly and a weighing assembly, the driving assembly is used for being in butt joint with the stock bin assembly and providing driving force during discharging, and the weighing assembly is connected with the workbench. The device solves the problems that due to the fact that fall feeding is affected by multiple factors, the material amount is unstable, the weighing precision is deviated, a graded discharging independent channel scheme is redundant in structure, the feeding speed switching is not smooth, and a switching section is prone to being accumulated, blocked and compacted. According to the system, through cooperation of the top drive assembly and the material control assembly, a two-stage material control and adjustment mode is achieved, namely, in the fast feeding stage, efficient feeding is achieved through a channel gap, a slow feeding mode is switched to a small-diameter spiral blade when the target weight is approached, the material gushing phenomenon is reduced, the weighing accuracy is improved, and the subsequent dyeing and color fixing process effect is guaranteed.

The utility model discloses a glue amount measuring mechanism of dispensing equipment, which comprises a left substrate and a right substrate, the upper surface of the left substrate and the upper surface of the right substrate are respectively provided with a weighing sensor, one ends of the two symmetrically arranged weighing sensors are respectively arranged on the left substrate and the right substrate, and the other ends of the two symmetrically arranged weighing sensors are respectively arranged on the left substrate and the right substrate. A deformation sensing area is arranged between the two ends of the weighing sensor, and a cushion block is installed on the upper surface of the end, located on the outer sides of the left base plate and the right base plate, of the weighing sensor. A first movable plate capable of moving back and forth and a second movable plate capable of moving in the opposite direction of the first movable plate are further mounted on the upper surfaces of the left base plate and the right base plate. According to the utility model, real-time weighing of a long-strip-shaped workpiece can be realized, the contact area with the workpiece and the interference on the workpiece are small, the two ends of the workpiece can be clamped and positioned before weighing, so that the workpiece is positioned right above the weighing sensor, and the weighing precision and the weighing consistency of each workpiece are further improved.

The present application relates to a kind of self energy harvesting beam type dynamic vehicle weighing system and method, belong to vehicle dynamic weighing technical field, self energy harvesting beam type dynamic vehicle weighing system includes self energy harvesting module, weighing module, computing module, self energy harvesting module is used to obtain the beam vibration energy when vehicle passes simply supported beam bridge, beam vibration energy is converted into electric energy, and the voltage value of the electric energy is determined, weighing module is used to respond electric energy start, and after the voltage value of electric energy is converted into voltage signal, voltage signal is sent to computing module;Computing module is used to convert voltage signal into bridge dynamic response parameter, based on bridge dynamic response parameter to vehicle axle load is inverted, to determine vehicle axle load, improve dynamic vehicle weighing precision and efficiency.

This invention discloses a laundry washing device and control method, comprising: a housing; an outer drum disposed within the housing; a lifting member retractably suspended between the housing and the outer drum; and a weighing device mounted on the lifting member, which provides weight feedback by sensing the extension and retraction of the lifting member. The weighing device has mounting brackets at both ends of a spring portion of the lifting member and deformation plates fixed to the mounting brackets. The mounting brackets have two mounting portions fixed to both ends of the spring portion and a frame body connecting the two mounting portions. The weighing device, mounted on the lifting member, does not continuously bear the entire weight of the laundry washing device. Weight sensing is only performed when clothes are added, causing the lifting member to extend or retract. This reduces the impact of long-term stress on accuracy, allowing the weighing device to maintain high weighing accuracy over a long period and ensuring the reliability of the laundry washing device during long-term use. The mounting frame of the weighing device has two mounting parts fixed at both ends of the spring part and a frame body connecting the two mounting parts. This structural design makes the installation of the deformation plate more stable, can accurately reflect the expansion and contraction of the lifting parts, and thus accurately measure the weight. In addition, the overall structure is simple and reasonable, easy to install and maintain, and conducive to improving the production efficiency and quality stability of the laundry equipment.

The invention relates to the technical field of packaging and weighing, in particular to a combined scale driving control method, a driving board and a combined scale control system. The control method comprises the following steps: when a mainboard instruction is received, obtaining a target execution mechanism identifier and a control parameter from the mainboard instruction; determining a target driving chip based on the target execution mechanism identifier, and judging whether a driving interface of the target driving chip is a fault interface or not; if the driving interface is a fault interface, controlling a driving interface change-over switch to change a driving line connected to the fault interface to a corresponding standby driving interface, and updating the target execution mechanism identifier and the control parameter to a driving chip corresponding to the standby driving interface; and if the driving interface is a normal interface, calling preset motion control data corresponding to the target driving chip, and driving the target driving chip to control a corresponding execution mechanism to act according to the preset motion control data and the control parameters. The reliability and maintainability of the combined scale driving system are improved so as to balance the driving integration level and the weighing operation efficiency.

The invention discloses a method for determining real data of a weighing system, an interference term formula of the weighing system is obtained through a test method, and the system solves the problem of vacuum force interference caused by vacuum force and water flow fluctuation. Through a mode of testing vacuum force and water flow force data, a relation formula of the vacuum force and the water flow force along with the vacuum value and the water flow is obtained, then vacuum force deviation and cooling water flow interference deviation are eliminated, real data needed by the weighing system are obtained in real time, and the weighing precision of the weighing system is improved.

The utility model relates to preservative adding equipment technical field, and disclose a kind of preservative adding equipment, including the storage tank being located in the one side of mixing device, the communication frame that is connected with mixing device inside is equipped in the lower portion of storage tank, fixedly installed with the communication of downcomer between storage tank and communication frame, fixedly installed with drive motor on the upper portion of storage tank, fixedly installed with the rotating shaft extending into downcomer of drive motor output end, rotating shaft is located in the inboard surface of storage tank and is fixedly installed with several stirring vane, rotating shaft is located in the side of downcomer and is fixedly installed with feed auger, weighing platform that is adapted to the position of downcomer is equipped in communication frame, push unit is equipped in communication frame and is adapted to weighing platform and is used to push.The utility model in the present application, by setting stirring vane can effectively prevent the preservative in storage tank from bunching, improve the weight accuracy when adding preservative, and by setting feed auger reduce the situation that the preservative adding equipment appears to be blocked.

The utility model provides a high-stability metering device for mortar production, belongs to the technical field of mortar production, and aims to solve the problems that output signals of a weighing sensor fluctuate when mortar raw materials fall down, and weighing accuracy is affected. Comprising a measuring bin body, a raw material measuring scale, a guide supporting frame, a guide mounting frame, a limiting connecting plate, a guide connecting plate and a raw material bearing sieve. The raw material metering scale is arranged at the lower part of the metering bin main body; the guide support frame is positioned behind the measuring bin main body; the guide mounting frames are connected to the left side and the right side of the guide supporting frame in a sliding manner; the limiting connecting plates are fixedly connected to the front side and the rear side of the guide mounting frame; the guide connecting plate is connected to the upper part of the limiting connecting plate in a sliding manner; the raw material bearing sieve is in bolted connection with the upper part of the guide connecting plate; according to the utility model, the fluctuation generated by the output signal of the weighing sensor is reduced, and the weighing accuracy of the metering scale is improved.

The utility model provides a kind of stirring station intelligent metering device, it is related to measuring equipment technical field, including base, the top of base is equipped with controller, the side of controller is equipped with scale table, the top of scale table is equipped with gear box, the side close to controller of gear box is equipped with first servo motor, material is slowly slid to bottom feed hopper along inclined inner wall under the action of gravity, avoid instantaneous concentrated impact weighing sensor, to reduce dynamic interference and improve weighing accuracy.Feed hopper bottom is connected with the feed inlet of material conveying pipe, two parallelly arranged reverse-rotating spiral conveying shafts are arranged in material conveying pipe, material is uniformly sent to discharge port by stable spiral propulsion, and is continuously discharged by discharge port, the whole process realizes the buffering, shunting, stable conveying of material, effectively solve the problems such as large impact load caused by material directly free-fall impact weighing bin from bin, forced increase of sensor range, reduction of measurement accuracy etc.

The utility model is suitable for grain processing equipment technical field, especially relate to a kind of automatic weighing device for coarse grain by-product, including weighing frame, and the bottom of weighing frame is provided with several weighing sensors, the top of weighing frame is provided with support seat, and the surface of support seat is connected with several support rods, the inside of support seat is provided with buffer bin, and the upper and lower ends of buffer bin are respectively provided with feeding flange and discharging flange.The utility model is provided with pneumatic telescopic rod and hook claw structure inside weighing frame, realizes automatic hooking and releasing to bag handle, avoids bag body inclination or collapse, guarantees that weighing process is stably carried out;Weighing frame bottom is provided with multiple weighing sensors, improves weighing precision, and realizes equipment level adjustment in combination with support footing.