32results about How to "Accurate weight measurement" patented technology

Provided are a flowmeter verification device and a verification method thereof. The device comprises a volume pipe I31, a volume pipe II29, a working piston I and a working piston II which are arranged in the volume pipe I and the volume pipe II, a synchronous motor I and a synchronous motor II which are connected with the working piston I and the working piston II, a photoelectric sensor I and aphotoelectric sensor II which are installed on the volume pipe I, a liquid storage tank 25 connected with the volume pipe II, a data collection unit 40, a computer and the like, a flowmeter to be verified is installed at the two ends of the volume pipe I and the volume pipe II, liquid which is the same as liquid flowing through the flowmeter actually is injected into the volume pipe I, the synchronous motor I and the synchronous motor II drive the working piston I and the working piston II to work to trigger the photoelectric sensor I and the photoelectric sensor II, time for the liquid to flow through the flowmeter to be verified is read, then the liquid is discharged into the liquid storage tank so that the volume of the liquid which flows through the flowmeter to be verified can be measured, the normal flow which flows through the flowmeter to be verified is calculated, according to readout data of the flowmeter to be verified, a readout error is calculated, and according to the error, whether or not the flowmeter is qualified is judged. According to the device and the method, measurement is convenient, and the data is accurate.

The invention relates to the technical field of monitoring devices, and discloses a barreled welding wire allowance monitoring device and a monitoring method thereof. The monitoring device comprises a barrel body, a weight monitoring unit, a height monitoring unit and a control unit, and welding wires are loaded in the barrel body. The weight monitoring unit is used for monitoring the weight of the welding wires. The barrel body is mounted on the weight monitoring unit. The height monitoring unit is used for monitoring the height of the welding wires. The height monitoring unit is mounted in the barrel body. The control unit is electrically connected with the weight monitoring unit and the height monitoring unit. The weight monitoring unit and the height monitoring unit are used for monitoring the welding wire allowance in a segmented mode, the weight of the remaining welding wires can be accurately measured, measurement errors are reduced, whether the welding wires need to be replaced or not at present is judged in advance, and welding wire waste is reduced as much as possible on the premise that production line stopping is not affected.

The invention relates to an electronic balance capable of measuring the size of an object, which comprises a balance body, a balance plate arranged on the balance body, and a weighing sensor fixed below the balance plate. A front panel of the balance body is fixedly provided with a keyboard, a display screen and an operation handle. A rear panel of the balance body is fixedly provided with a rear upright. The rear upright is movably provided with a first measuring plate. The two sides of the balance body are provided with left and right uprights. The two uprights are both movably provided with telescopic rods. The telescopic rods are provided with second and third measuring blocks. The electronic balance can accurately measure not only the weight of the object but also the size of the object, so that the electronic balance is multifunctional and the working efficiency is improved.

The invention discloses an automatic weighing and packaging machine, which includes an automatic bag loading mechanism, a bag clamping mechanism, a vertical feeding mechanism and a bag pushing mechanism; the automatic bag loading mechanism installs the packaging bag on the bag clamping mechanism, and the bag clamping mechanism The material is added into the packaging bag on the bag clamping mechanism through the vertical feeding mechanism. The bag clamping mechanism is provided with a weighing device, and the weighing device weighs the materials in the packaging bag on the bag clamping mechanism. The packaging bag When the material in the bag reaches the predetermined weight, the vertical feeding mechanism stops feeding; the packaging bag containing the material is pushed into the next processing station by the bag pushing mechanism. The present invention designs the automatic weighing packaging machine, transports the material to the packaging bag on the bag clamping mechanism through the vertical feeding mechanism, and sets a weighing device on the bag clamping mechanism, which can improve the weighing accuracy of the material in the packaging bag , reducing the occurrence of dust during the feeding process.

The invention discloses a weighing mechanism used for a seed crystal driving device and belongs to the technical field of vacuum equipment. The weighing mechanism comprises an outer frame, a weighing sensor, an adjusting support and an expansion joint component. The outer frame is fixed on a top flange of a seed crystal shaft. The expansion joint component is hermetically arranged on the lower end surface of the top flange of the seed crystal shaft. The support is fixed on the lower flange of the expansion joint component and positioned on one side of the seed crystal shaft. Adjusting screws that are mounted on the lower flange of the expansion joint component are in contact with the support, and the weighing sensor is fixed on the outer frame and the support respectively. During operation, a sample is connected at the other end of the seed crystal shaft. By adopting the expansion joint seal structure, the measurement range of the weighing sensor is properly selected according to the actual sample and the measurement range of the weighing sensor is effectively reduced; and besides, the weighing sensor that works in the air can accurately measure the weight of the sample in vacuum.The invention solves the problems that the selectivity of the weighing sensor is limited and the mechanism is heavy. The weighing mechanism is advantageous in simple structure and reasonable overall layout.

The invention discloses a food processing machine. The food processing machine comprises a cup body, a machine body and a weighing device, wherein the cup body is arranged on the machine body; the weighing device is used for measuring the weight of a to-be-carried object, and comprises an upper fixing frame, a weighing sensor, a lower fixing frame and a base; the upper fixing frame is fixedly arranged at the bottom part of the machine body; the weighing sensor is provided with a first end and a second end, and the second end is opposite to the first end; the first end of the weighing sensor is fixedly arranged on the upper fixing frame, and the second end of the weighing sensor is fixedly arranged on the lower fixing frame; the lower fixing frame is fixedly arranged on the base; the base is separated from the machine body, and is arranged on a worktable surface of the food processing machine. The food processing machine has the advantages that action force generated on the weighing device is reduced, and the problem of easiness in shortening of the service life of a weighing device in the existing food processing machine is solved.

The invention relates to a weight calibration method based on precise weighing. The method comprises the following steps: acquiring a first image of an object to be weighed on an objective table in real time by using a monitoring device; determining the deviation degree of the actual position and the target position based on the position of the to-be-weighed object on the objective table in the first image, and setting a first correction coefficient according to the actual deviation degree; when the actual signal of the sensor array on the objective table is converted through the conversion unit, correcting the actual signal through the first correction coefficient, and obtaining a first correction value; displaying the first correction value as a to-be-displayed value, wherein the to-be-displayed value is the weight of the to-be-measured object; expressing the degree of the to-be-measured object deviating from the center position of the objective table through the first correction coefficient, and then correcting the influence on the reference signal, so that the corrected signal value can be equivalent to the fact that the object to be weighed is placed in the center of the objective table, errors caused by position deviation are effectively corrected, accurate weight measurement is achieved, and the measurement precision is improved.

The invention belongs to the technical field of conveyor belts and particularly relates to a non-contact type belt conveying weighing and deviating warning device. The device comprises a sensing device, a data processing device and a synchronizer, wherein the sensing device is used for obtaining outline information data of a belt and materials on the belt perpendicular to the conveying direction of the belt, the data processing device is used for obtaining the area of the cross section of the materials on the belt according to the outline information data, the data processing device is combined with conveying speed of the belt, running time and material density to obtain material mass conveyed within the corresponding running time of the belt, the data processing device can compare shape outlines of the belt obtained during different periods, and when deviation values of the belt shape outlines obtained during the different periods reach set values, the data processing device sends out a warning signal; and the synchronizer is used for enabling the sensing device and the belt to work synchronously. The device has few components and is low in cost. Moreover, in the measuring process, the device does not make contact with the belt, measuring precision is high, and the fault rate is low.

The invention provides a slurry stirrer for road construction, which comprises a base, the base comprises a feeding device, a stirring barrel is arranged on the upper surface of the base, the feeding device is arranged on one side of the stirring barrel, the feeding device comprises a shell, a telescopic foot rod is arranged on the upper surface of one side of the base, the shell is arranged at the top end of the telescopic foot rod, and a feeding hopper is arranged on the top surface of the shell. A weighing cavity is formed under the feeding hopper and comprises an electric gate, the electric gate is arranged on the inner wall of one side of the weighing cavity, a fixing base is arranged on the bottom face of the other side of the weighing cavity, a vibration assembly is arranged on the bottom face of the fixing base, the top face of the vibration assembly is connected with an elastic assembly, the upper end of the elastic assembly is connected with a first inclined plate, and a gravity sensing device is arranged on the upper surface of the first inclined plate. A second inclined plate is arranged below the weighing cavity, a square through hole is formed in the outer wall of one side of the shell, the second inclined plate is connected with the square through hole, and a feeding channel is formed in the outer surface of the square through hole.

The invention discloses a gunpowder weighing device with a re-weighing function. The device comprises a supporting device which is provided with aprimary weighing area and a secondary weighing area, adischarging device, a conveying device and a static electricity eliminating device, wherein the discharging device is used for adding gunpowder; the conveying device is provided with a gunpowder cup, the gunpowder cup is used for receiving the gunpowder discharged by the discharging device in the primary weighing area, and the conveying device drives the gunpowder cup to be transferred to the secondary weighing area from the primary weighing area so as to weigh the gunpowder cup loaded with the gunpowder for multiple times; and the static electricity eliminating device is used for eliminating static electricity of the gunpowder in the gunpowder cup which is subjected to primary weighing and / or secondary weighing. The influence of static electricity on gunpowder weighing can be reduced, the gunpowder weighing accuracy is improved, and the device is applied to the field of gunpowder and explosive weighing equipment.

The present invention relates to a weight calibration method based on accurate weighing, the method comprises using a monitoring device to acquire a first image of an object to be weighed on a stage in real time; placing the object to be weighed on the stage based on the first image The position above determines the deviation degree between the actual position and the target position, and the first correction coefficient is set with the actual deviation degree; Make corrections to obtain the first correction value; display the first correction value as the value to be displayed, the value to be displayed is the weight of the object to be measured, and the degree to which the object to be weighed deviates from the center position of the stage is represented by the first correction coefficient , and then correct the influence of the reference signal, so that the corrected signal value can be equivalent to placing the object to be weighed in the center of the stage, effectively correcting the error caused by the position offset, realizing accurate weight measurement and improving measurement accuracy .

The invention discloses a dung-urine separator and a metabolism cage for livestock nutrition research; the dung-urine separator comprises a bottom plate and side plates arranged on two sides of the bottom plate; the bottom plate and the side plates form a groove shape; the front portion of the bottom plate is provided with an urine outlet; the height of one end, close to the urine outlet, of the bottom plate inner surface is lower than that of the other end, far away from the urine outlet, of the bottom plate inner surface; the height of one end, close to the urine outlet, of the side plate inner surface is lower than that of the other end, far away from the urine outlet, of the side plate inner surface; the middle portion and rear portion of the bottom plate inner surface are provided with dung baffle plates, and the bottom of the dung baffle plates are provided with holes; a forage baffle plate is arranged above the urine outlet. The dung-urine separator can fully separate the livestock dung from urine, thus solving dung and urine separate collection problems, and providing guarantee for experiment results.

The invention discloses a conveying method for steel. The conveying method includes the following steps that the steel is conveyed to a conveying belt, and a height-adjustable supporting frame with a scaleplate is arranged on the conveying belt; the weight of each piece of steel is obtained, and the weight of the steel on the conveying belt is obtained according to the height of the steel; the steel on the conveying belt is conveyed to a warehouse. According to the conveying method for steel, the total weight of the steel can be calculated according to the height of the steel on the conveying belt, and the weight can be accurately measured when the steel is conveyed to the warehouse.

The invention relates to a sleep process metabolic rate detection method based on linear correlation coefficient interference removal. The method comprises the following steps: measuring the weight of a bed once every first preset time, identifying steady states according to measured values, and screening out effective sleep steady states according to correlation coefficients of linear regression analysis of the steady states; calculating the sum of the weight loss values in the effective sleep steady-state periods as an absolute weight loss value in the sleep period; and calculating the sleep metabolism rate using the absolute weight reduction value during sleep. According to the method, the absolute weight loss of the person sleeping on the bed is measured, the metabolic quantity is calculated according to the weight loss in the sleeping process, and due to the fact that weight measurement is more direct than heat measurement, the metabolic condition of the person can be reflected more truly; various interference factors influencing the body weight in the sleep process can be eliminated by adopting a method for calculating the body weight loss value in the duration of each steady state, and the steady state containing interference can be removed by calculating the correlation coefficient of linear regression analysis.

The invention relates to a seed-crystal transmission gear, belonging to the technical field of vacuum equipment. The seed-crystal transmission gear comprises a seed shaft, a water-electricity connection mechanism, a weighing mechanism, an adjusting platform and a supporting mechanism, wherein a leadscrew-nut structure connected with a fixed support of the adjusting platform is arranged on the supporting mechanism, and a lead screw is connected with a second output shaft of an electric motor; and the seed-crystal transmission gear further comprises an auxiliary drive mechanism which is connected with the lead screw, and the manual operation is available during the interruption of a power supply. In the invention, a structure with combination of a conducting slip ring and a rotating joint is used in the water-electricity connection mechanism, so that the connection between electricity and water is realized during the autorotation of a seed rod. An expansion-joint seal structure is used in the weighing mechanism, such that a weighing sensor can choose the measuring ranges properly according to actual samples, and the weighing sensor in the atmosphere can measure the weights of the samples in vacuum precisely. Double guide rails and a slider are used in the precision adjustment to ensure flexible movement; the use of a micrometer head not only leads to the more convenient operation, but also realizes the vernier adjustment and the precision adjustment. A structure of aluminum profiles is used in the supporting mechanism, such that the weight is lightened effectively, and the supporting mechanism is beautiful overall.

The present invention involves the field of monitoring device technology, and a barrel welding wire margin monitoring method is disclosed. The monitoring device includes barrels, weight monitoring units, high monitoring units, and control units.The monitoring unit is used to monitor the weight of the welding wire; the barrel body is installed on the weight monitoring unit; the height monitoring unit is used to monitor the height of the welding wire;The control unit is connected to the electrical connection of the weight monitoring unit and the high monitoring unit.The present invention uses dual methods of heavy monitoring unit and high monitoring unit to monitor the welding wire margin waste, which can accurately measure the weight of the remaining welding wire, reduce the measurement error, and predict whether the current period of time needs to be replaced.Reduce welding welding waste as much as possible under the premise of production suspension.