64results about How to "Accurate weighing results" patented technology

The invention relates to the technical field of sensors and provides an I-beam type vehicle dynamic weighing sensor. The I-beam type vehicle dynamic weighing sensor comprises an I-beam type elastic body, a measurement unit, power transmission blocks and an insulating protective sleeve, wherein a through cavity is formed in the I-beam type elastic body, the measurement unit and the power transmission blocks are arranged in the cavity, the measurement unit can be accommodated between the power transmission blocks in a pre-tightened mode, the measurement unit comprises an upper electrode, piezoelectric materials and a lower electrode from top to bottom in sequence, the horizontal surface of the insulating protective sleeve is arranged between the upper electrode and the lower electrode, through holes are formed in the horizontal surface of the insulating protective sleeve at equal intervals, the shape of each through hole is matched with that of each piezoelectric material, the insulating protective sleeve is made from an insulating material, and the piezoelectric materials are placed in the through holes. By the adoption of the I-beam type vehicle dynamic weighing sensor, insulation resistance is increased, a measurement result is more accurate, the pressure acting on the measurement unit is reduced, the piezoelectric materials are protected against damage caused by pressure, and service life is prolonged.

The invention discloses an automatic dosing machine with the mobile receiving function. The automatic dosing machine comprises a storing container, a receiving container, a sliding component, a control component and a rack. The storing container is installed on the rack, and a discharging outlet of the storing container is located above the receiving container. The receiving container is placed on the sliding component. The sliding component is installed on the rack. The control component is installed on the rack and respectively connected with a storing container control mechanism and a sliding component control mechanism. The storing container control mechanism receives a control instruction of the control component, and dosing materials stored in the storing container are sent out; the sliding component control mechanism receives a control instruction of the control component, and drives the receiving container arranged on the sliding component to move to the position below the storing container. The receiving container receives dosing materials discharged by the storing container. The automatic dosing machine has the automatic dosing material discharging and mobile receiving functions, and is simple in structure, low in cost and convenient to clean.

The invention discloses a suitcase, comprising a housing (1) and a hanging ring (2) arranged in the central section of the upper end of the housing (1), which is characterized in that: a weight inductor (4) which can induct the weight of the suitcase when the hanging ring (2) is lifted is arranged in the housing (1), a display unit (3) which can display weight information is arranged on the housing (1), and the weight inductor (4) is electrically connected with the display unit (3). The suitcase has the advantages of ability to weigh the weight, ability to immediately inform the passengers the man-portable luggage weight, and ability to avoid overweight of man-portable luggage effectively when using; furthermore, of simple, fast and convenient weighing process, high accurate performance of weighing result, and strong practical performance.

The invention belongs to the field of machinery, and particularly relates to a method of rotary-connection cabin pressure removing of a metering feeder and a rotary-connection cabin pressure removingdynamic weighing and feeding machine. The weighing and feeding machine comprises a rotary-connection hanging frame, a rotary-connecting material receiving device, a hinge shaft, a rotary-connection weighing and material conveying device, a weighing sensor, a speed sensor and an arithmetic unit, wherein the weighing sensor is arranged at the end part, far away from a feeding machine supporting hinge point, of the rotary-connection weighing and material conveying device, the weighing sensor senses the change of the applied force of the rotary-connection weighing and material conveying device, the weighing sensor cooperates with the speed sensor to calculate the weight of a material conveyed by the rotary-connection weighing and material conveying device through the arithmetic unit. Accordingto the method and the machine, manpower and material resources are saved, a dirty, disorder, bad and abominable labor scene is changed into an environment which is clean, order, free of leaking material, and free of dust, so that the long-term stability and reliability of the weighing are ensured, and the working efficiency and the working quality are improved.

The invention provides a novel water-proof balance, comprising a base, a mainboard, a weighing sensor, a weighing disc support, a leveling screw, a power supply, a weighing disc, and a display screen connected with the mainboard, wherein a water storage disc is arranged between the weighing disc and the base; the weighing sensor is directly connected with the weighing disc by passing through the water storage disc; and a plurality of water outlet notches are arranged on the surface of the weighing disc, and two surfaces adjacent to the surface of the weighing disc are slopes; therefore, the structure is favorable for discharging unnecessary water on the surface of the weighing disc. The balance is reasonable in design and simple and convenient for weighing; by adopting the unique structural design of the surface of the weighing disc, the unnecessary water carried on weighed articles can be discharged more easily, so that the weighing result of the articles can be more precise; and the water can be effectively prevented from permeating into the mainboard of the balance, thereby avoiding the short circuit of an inner line, prolonging the service life of the balance, and improving the safety of the balance.

The invention relates to the field of wireless communication and discloses a vehicle-mounted wireless weighing system. The vehicle-mounted wireless weighing system comprises a controller, a plurality of weighing sensors, an AD converter, a data processor and a wireless transceiver, the weighing sensors are mounted on a vehicle axle housing, each weighing sensor is provided with a Zigbee module, the AD converter is connected with the weighing sensors and is used for converting voltage into digital signals, the data processor is connected with the AD converter and is used for converting the digital signals into weight values, the wireless transceiver is connected with the data processor and is used for receiving and transmitting signals, and the wireless transceiver transmits the data to the controller. The vehicle-mounted wireless weighing system has advantages that the wireless data transmission is realized through inserting the Zigbee module in each weighing sensor, when maintaining, overhauling or running the vehicle, no cable is exposed, and accordingly the failure of the vehicle-mounted weighing system due to circuit damage is avoided, and the vehicle weighing system can be maintained conveniently.

The invention discloses an automobile cross-lane driving behavior detection method in a dynamic flat plate scale weighing area. The method comprises the steps: establishing a road vehicle dynamic weight measurement area building information model; performing cross-lane behavior detection, analyzing the images acquired by the cameras on the two sides, detecting a vehicle target, and if the centralpoint of a vehicle bounding box in an image frame acquired by the camera on one side is located on the longitudinal central line of the image, selecting the images acquired by the cameras on the two sides at the moment corresponding to the image frame, and triggering wheel landing point detection; projecting the wheel landing point to the building information model of the dynamic weighing area; analyzing the number of vehicles and the front-back position relation of the vehicles according to the position relation of the wheel landing points in the ground coordinate system of the building information model of the dynamic weighing area to obtain the corresponding relation between different vehicle tires and the peak value of the weight curve of the flat scale, and calculating the vehicle weighing result according to the corresponding relation. According to the invention, an accurate weight measurement result can still be obtained when an automobile crosses a road.

The invention discloses a vehicle dynamic weighing system, comprising a weighing sensor, a charge amplifier and a controller. The weighing sensor comprises two groups of quartz sensors which are paved in a staggered manner; each group of the quartz sensors comprises two quartz piezoelectric sensors; the two quartz piezoelectric sensors in the each group of the quartz sensors are respectively transversely arranged on a left half lane and a right half lane at a front position and a back position; when a vehicle passes through the weighing sensor, the controller respectively calculates a vehicleweight value according to waveform signals generated by each group of the quartz sensors; and the calculated vehicle weight values are averaged, so as to obtain a final vehicle weighing value. The two groups of the quartz sensors are arranged in a parallel and staggered manner, so that an abnormal condition is effectively treated. Even if the vehicle passes through a sensor laying road section ata non-uniform velocity or in an 'S' shape, the deviation is corrected by averaging through calculation results of the two groups of the quartz sensors, so that the weighing result is more accurate.

The invention belongs to mine, metallurgy and port equipment, and particularly relates to an impact-free interference removal high-precision gravimetric feeder. The feeder consists of a receiving part and a weighing transfer part, wherein the receiving end of the weighing transfer part is positioned at the discharge hole of the receiving part. The gravimetric feeder has reasonable and compact structure, optimized weighing mode, no interference, low fault and high precision.

The invention discloses a health tea weighing feeding device. More than two vibration feeders are one-to-one corresponding to weighing hoppers. When material weighing feeding is carried out, materials from each vibration feeder are weighed by a one-to-one corresponding weighing hopper, and then are fed. The load of a single weighing hopper is reduced. The speed of weighing of large dose can be accelerated. The problem of slow weighing speed of a large quantity of materials in the prior art is solved. The requirement of health tea mixed material packaging is met. The weighing result of each weighing hopper is accurate. The health tea weighing feeding device is suitable for weighing feeding of lightweight-material-based health tea.

The invention discloses a full-automatic pulverized coal sampling and analyzing meter. The full-automatic pulverized coal sampling and analyzing meter comprises a sampler, an analyzing system, a control unit and a weighing device and is characterized in that the sampler and the analyzing system are sequentially fixed to the support from top to bottom, and the output port of the sampler is communicated with the input port of the analyzing system; the sampler is used for sampling pulverized coal and inputting the pulverized coal samples into the analyzing system, the analyzing system is used for classifying the pulverized coal samples according to different particle sizes, the weighing device is used for weighing the pulverized coal samples different in particle size, and the control unit is used for controlling operation of the sampler, the analyzing system and the weighing device. The full-automatic pulverized coal sampling and analyzing meter improves accuracy of analysis results, reduces labor intensity of operators, has no adverse effect on operator health and environment and improves working efficiency as the test time is fixed.

The invention provides a pulsator washing machine comprising a tank body, lift rods comprising lift rod springs, a drum body arranged in the tank body through the lift rods, a photoelectric sensor unit arranged in the tank body and used for measuring the vertical displacement of the drum body, and a controller connected with the photoelectric sensor unit and used for judging the weight and / or the displacement of the drum body according to the vertical displacement detection values of the photoelectric sensor unit. According to the embodiments of the invention, the pulsator washing machine can weigh clothes put therein accurately and has the advantages of accurate weighing results, good washing effect, energy conservation and water saving.

The present invention is applicable to the technical field of electronic equipment, and provides a detection method and apparatus of a weighing mode, and an electronic scale. The detection method of aweighing mode comprises the steps: acquiring sensing data through a sensing array, wherein the sensing array comprises at least one sensing unit; obtaining a sensing pattern according to the sensingdata; according to the sensing pattern, determining whether a user corresponding to the sensing data uses a preset weighing mode for weighing; and if the user uses the preset weighing mode for weighing, obtaining the weighing data of the user. The detection method and apparatus of a weighing mode can distinguish the weighing mode, thus obtaining more accurate weighing results.

The invention discloses an electronic balance support platform with a tube spirit level. The support platform comprises a base, support rods, a balance support plane, a damping device, a balance platform plane and a tube spirit level, wherein the support rods stand on the base; the balance support plane is arranged on the support rods; the balance platform plane is connected with the balance support plane through the damping device; and the tube spirit level stands on the balance platform plane. According to the electronic balance support platform with the tube spirit level provided by the invention in such a mode, the heights of the support rods can be adjusted through an adjusting handle, so that the height of the electronic balance can be adjusted so as to be applicable to requirements in different working environments; because of the influence of walking of surrounding people and the change of the environment to the weighing result of the electronic balance is low by the damping device,, thereby the damping to the electronic balance is realized; the tube spirit level can be used for detecting whether the electronic balance is kept horizontal; and due to the electronic balance support platform, the weighing result of an article is more accurate.

The invention provides a method for reducing a vehicle load error and a computer readable storage medium. The method comprises the following steps: establishing a mapping relationship between a numerical value of a strain gauge and the weight of a standard weight; filtering the numerical value of the strain gauge by adopting a Butterworth low-pass filter to obtain the numerical value of the straingauge after the first filtering; performing empirical mode decomposition on the numerical value of the strain gauge after the first filtering to reconstruct a signal to obtain the numerical value ofthe strain gauge after the second filtering; extracting a feature vector of the time sequence weight data by utilizing wavelet transform; inputting the feature vector into a multi-classification support vector classifier model, and identifying the running state of the vehicle; and outputting the weight of the vehicle in real time according to the running state of the vehicle and the value of the strain gauge after the secondary filtering. Errors brought to the strain gauges by the external environment are effectively eliminated, so that the weighing result is more accurate, and the real and stable vehicle load is obtained.

The invention discloses a preset complete weighing narrow-strip high-speed weighing system. The system comprises a prefabricated member, two narrow-strip high-speed weighing table tops, a coil type vehicle separator and a data processing unit. The prefabricated member is formed by integrally pouring cement mortar and reinforcing steel bars at a time. And two narrow-strip-type high-speed weighing table tops with extended weighing table tops are buried in the prefabricated member at intervals. Two built-in narrow strip type high-speed weighing table tops are utilized to weigh the same tire of the same truck twice, the two weighing results supplement each other, and finally, the load capacity of the truck is calculated, so that the defect of incomplete weighing of a narrow strip type weighingdevice due to small contact area between the narrow weighing platforms and the tire is overcome. Therefore, the system is high in measurement precision and high in measurement result accuracy. Due tothe fact that the prefabricated member is an integrated prefabricated member and can be machined in a factory in advance, on-site installation is easy, the construction period is short, 72-hour rapidtraffic on a highway can be achieved, the technical requirement for on-site constructors is low, and the construction cost is low.

The invention provides a washing machine control method and device, electronic equipment and a storage medium, and belongs to the technical field of household appliances. The control method includes the following steps: obtaining a sinking height of an outer drum of a washing machine, wherein the sinking height is collected after washing is placed in the outer drum of the washing machine; determining a target weight corresponding to the sinking height according to a preset corresponding relation between the sinking height and the weight of the washing; determining target water inflow based on the target weight; and adding water to the washing machine according to the target water inflow. Namely, the weight of the washing is determined according to the sinking height of the outer drum of the washing machine after the washing is placed, and then the water inflow is determined according to the weight of the washing, so that a weighing result of the washing is not affected by the material of the washing, motor assembly and the like, the weighing error is reduced, and the weighing result is more accurate.

The invention discloses a concrete batching device. The concrete batching device comprises a mixing mechanism. The mixing mechanism comprises a mixing drum. A fixing circular plate is arranged at thetop of the mixing drum. A rotary rod is arranged on the fixing circular plate in a penetrating mode. Mixing vanes are arranged on the rotary rod. A first motor is arranged at the top of the fixing circular plate. The rotary rod penetrates through the fixing circular plate and is in transmission connection with the first motor. Fixing straight bars are arranged on the two sides of the first motor correspondingly. A first dust flue is arranged on the fixing straight bars in a penetrating mode. Suction heads are arranged at the ends of the first dust flue. An air blower is arranged on the first dust flue. A second dust flue is arranged at the top of the first dust flue. A water bath connecting pipe is arranged at the top end of the second dust flue. Compared with traditional manual work, theconcrete batching device is high in automation degree, labor output is effectively reduced, dust produced in the processing process is effectively treated, meanwhile, weighing results are more accurate than results of manual weighing, and thus the quality of processed concrete is ensured.

The invention provides an anti-cheating truck scale and a truck weighing platform, and relates to the technical field of truck weighing equipment. The anti-cheating truck scale comprises a scale body,a weighing device, an alarm device and a controller, wherein the weighing device is arranged on the scale body, the alarm device is connected with the scale body, and the controller is connected withthe weighing device and the alarm device; and the scale body is used for weighing the weight of a vehicle on the scale body, the weighing device is used for sensing the weight of the vehicle on the scale body, the alarm device is used for detecting the position of the vehicle relative to the scale body, and the controller is used for processing signals transmitted by the weighing device and the alarm device. The anti-cheating truck scale solves a technical problem that the truck scale used in the prior art is low in work efficiency and poor in control effect for a vehicle on the truck scale and the like.

The invention discloses a use method of a precise blending device for an asphalt pavement reclaimed material and belongs to the field of road engineering machinery. The method comprises the following steps: calculating a target amount of the reclaimed material according to a use proportion of a reclaimed asphalt mixture, opening a weighing door below a transition hopper, closing the weighing door after required the material enters a weighing hopper, calculating precise weight of the reclaimed material actually required according to the weight of actually weighed aggregate and powder in a raw station after weighing the aggregate and the powder in the raw station, discharging the required weight of the reclaimed material from a discharge door by a reduced metering manner in the weighing hopper and accomplishing the whole weighing process, wherein the weight of the material metered for the first time is greater than the target weight. According to the method, the weighing hopper in the precise blending device carries out secondary weighing of the reclaimed material to ensure a more accurate weighing result, the proportion precision of the reclaimed material, the aggregate and the powder is improved, and the property stability of the reclaimed asphalt mixture is ensured truly.

The invention discloses an air particulate matter automatic monitoring system and a monitoring method. The system comprises a cabinet body, a temperature-humidity controller and an intelligent controlsystem; a constant-temperature and constant-humidity box body is arranged in the cabinet body; a main sample disk, a secondary sample disk, a balance weighing device and a particulate sampler are arranged in the constant-temperature and constant-humidity box body; the sampling pipe connected with the particulate sampler is arranged at the top of the cabinet body; a sample-changing manipulator isarranged between the main sample disk and the secondary sample disk; sample conveying manipulators are arranged among the main sample disk, the balance weighing device and the particulate sampler; a sample disk isolation hood for separating the secondary sample disk from the constant-temperature and constant-humidity box body is arranged at the external of the secondary sample disk; a side-openingwindow is arranged at one side of the secondary sample disk on the cabinet body, and a main window is formed in the front of the cabinet body. The monitoring system disclosed by the invention integrates the weighing, the balancing, the sampling and the data processing; the manual intervention is avoided, the weighing accuracy and the stability are improved, the labor intensity is effectively relieved, and the timeliness is guaranteed.

The invention discloses an all-fiber sensing belt conveyor weighing device and a weighing method thereof. The weighing device comprises a belt conveyor belt (1), a weighing frame (2), a belt conveyor rolling wheel (3), a fiber weighing sensor, a speed fiber sensor, a fiber splicing box (8) and a control room (16). The belt conveyor rolling wheel (3) is arranged on the weighing frame (2). The belt conveyor belt (1) is arranged on the belt conveyor rolling wheel (3). The fiber weighing sensor is arranged on the weighing frame (2). The speed fiber sensor is connected with the belt conveyor rolling wheel (3). The fiber weighing sensor and the speed fiber sensor are respectively connected with the fiber splicing box (8) via fibers. The fiber splicing box (8) and the control room (16) are connected via the fibers. The control room (16) processes the received signals and displays weighing weight and belt speed. The weighing device is suitable for more accurate weighing of bulk materials in dusty, moist and corrosive operation occasions and / or flammable and explosive operation occasions.

The invention provides a drum washing machine comprising a tank body, lifting springs, a drum body arranged in the tank body through the lifting springs, photoelectric sensor units arranged in the tank body to detect the vertical displacement amount and / or displacement of the drum body, and a controller connected with the photoelectric sensor units and used for judging the weight and / or the displacement of the drum body according to the vertical displacement detection values of the photoelectric sensor units. According to the embodiments of the invention, the drum washing machine can weight placed clothes accurately and has the advantages of accurate weighing results, good washing effect, energy conservation and water saving.

The invention relates to a split automatic water adding rice cooker, belongs to the field of household appliances, and aims to solve the problems that a rice cooker in the prior art cannot be added with water automatically and is inconvenient to carry. According to the technical scheme, the split automatic water adding rice cooker comprises a rice cooker main body and a base, wherein the rice cooker main body is provided with a top cover and a liner; the base is provided with an electromagnetic heating coil; a weighing mechanism is arranged between the rice cooker main body and the base and is used for weighing the weight of the rice cooker main body; a water inlet tube which is provided with a hollow fixed part and a hollow movable part is arranged on the base in a penetrating manner; the fixed part communicates with a water tank arranged on the base; and in a moving process of the water inlet tube, a water outlet end of the movable part is connected with or separated from the top cover. The rice cooker main body can be separated from the base, and is convenient to carry; the water tube can move; the weighing result of the weighing device is accurate, and water is added automatically through the water tube; and the electromagnetic heating coil only heats the liner, and the circumstance that the shell of the rice cooker main body is easily damaged after being heated is avoided.

The invention discloses an online weighing method for materials in a bucket of a hydraulic excavator. The online weighing method comprises the steps that the pressure value P1 of a bucket rod hydraulic cylinder and the pressure value P2 of a hydraulic cylinder of the bucket are obtained in real time; the center of a hinge point of an excavator base and a movable arm is used as an original point, the horizontal advancing direction is used as an x axis, the direction perpendicular to the x axis is used as a y axis, the inclination angle theta of a bucket rod relative to the horizontal plane is obtained in real time, and theta is positive above the X axis and negative below the X axis; the length lAB of a bucket rod hydraulic cylinder and the length lDE of a bucket hydraulic cylinder are obtained in real time; and then the data processor of the material weighing module substitutes the obtained data into a formula, so that the weight of the materials in the bucket can be obtained. According to the weighing method, the influence of gravity centers of all parts and materials of the excavator and the influence of a non-horizontal working surface on online weight metering of the materials in the bucket are considered, so that a material weight metering result is more accurate; therefore, online metering of the weight of the materials excavated by the excavator bucket in the construction process and statistical metering of the total amount of the materials excavated by the excavator in engineering construction are achieved, and a foundation is laid for achieving digital and intelligent construction.

The invention discloses a heavy bob-controlled thermobalance, which comprises a weighing component, a balance, a tube electric furnace, a pulley and a heavy bob, wherein the weighing component is arranged on the balance; the upper part of the weighing component is arranged in the cavity of the tube electric furnace; the tube electric furnace is connected with the heavy bob through the pulley; and the heavy bob is used for controlling the position of the tube electric furnace. Through the way, the heavy bob-controlled thermobalance provided by the invention is simple in structure, is convenient to operate, is easy to manufacture, has a wide weighing room temperature range, and can adapt to various temperature applications; and due to the application of an electronic balance, an object measuring result is more accurate, and obtained experimental data are more reliable.

The invention provides a method for determining backfilling rate of a regenerated cut stem product, and relates to the technical field of production of regenerated cut stems. The method comprises thefollowing steps of (1) weighing the empty regenerated cut stem m(empty) and a backfilling liquid m(liquid) of regenerated cut stem; (2) drying the backfilled regenerated cut stem; (3) obtaining a finished product of regenerated cut stem, and weighing, wherein the mass of the finished product of regenerated cut stem is m(cut stem); (4) determining the water content w(empty) of the empty regeneratedcut stem and the water content w(cut stem) of the finished product of regenerated cut stem; (5) at least manufacturing five types of finished products of regenerated cut stem with different backfilling rates; (6) determining the content N% of total plant alkaline in the finished products of regenerated cut stem; (7) analyzing a linear regression equation of 'total plant alkaline-backfilling rate', namely C=a*N+b; (8) determining the content N(determining)% of total plant alkaline in the to-be-determined finished products of regenerated cut stem; (9) substituting the N(determining) into the linear regression equation, namely C=a*N+b. The method can be used for conveniently and accurately determining the backfilling rate of the regenerated cut stem.

The invention discloses a carbon black scale and relates to the machinery field. The carbon black scale comprises a scale frame, a scale bucket skeleton, a lining, weighing sensors, a bottom plate and a butterfly valve, wherein the scale bucket skeleton is welded at an outer side of the lining, the scale frame is connected with the scale bucket skeleton through the weighing sensors and maintenance suspension rods, the bottom plate is arranged at a lower portion of the lining, the butterfly valve is mounted at a bottom portion of the bottom plate and is below the lining, the weighing sensors and the maintenance suspension rods are identical in number, are respectively 3 and are circumferentially distributed on the scale bucket skeleton, and a top portion of the lining is provided with an air-back inlet assembly and an air-back outlet assembly which are both communicated with an inner portion of the lining. The carbon black scale is advantaged in that the multiple weighting sensors are employed to weigh materials, a weighing result is more scientific, reasonable and accurate, the structure of a weighing portion is novel in design, and good stability, simple integral structure and low maintenance cost are realized.