30results about "Weighing temperature-compensating arrangements" patented technology

The invention relates to the technical field of electronic weighing equipment, in particular to an ORS electronic hoist scale temperature and humidity compensation method and system based on an adaptive neural network, and the method comprises the steps: collecting multi-source heterogeneous data related to an ORS electronic hoist scale; performing parallel processing on the multi-source heterogeneous data through a double-branch adaptive attention neural network; determining a working condition membership degree based on the working condition dynamic quantitative index, and fusing the static compensation amount and the dynamic compensation amount to obtain a total compensation amount; and combining the total compensation amount with an original weighing value, outputting a compensated weighing value, and performing online optimization updating on the double-branch adaptive attention neural network. The technical problems of low measurement precision, poor working condition adaptability, insufficient real-time performance, poor long-term stability and the like in temperature and humidity compensation of an existing ORS electronic hoist scale are mainly solved.

A system and method are disclosed that allow for determining the mass of a fluid within a container by first vibrating the outer surface of the container, where the container contains a fluid, such as a compressed fluid, a gas, a liquid, a mixture of gas and liquid, or a supercritical fluid. Vibration data is then received at the outer surface of the container, and the vibration data is then converted to one or more frequencies. The mass of the fluid in the container is then estimated based on the one or more frequencies.

The present invention relates to a system for measuring load applied to a vehicle axle, a method for measuring load applied to a vehicle axle, a method for calibrating the measuring system, and a device for sensing axle strain. The present invention specifically comprises a solution capable of measuring the load applied to vehicle axles and to the whole vehicle by reading the strain caused to the vehicle axle as a function of forces generated by the loading of the vehicle. The strain-reading device is arranged in an optimised structure that is easy to mount on the vehicle and is configured to prevent interference in the reading of collected data, contributing to improved load measurement. The strain or load values for each axle are sent to a cloud platform, processed and made available to the vehicle driver and / or transport company, so that they can visualise and monitor the weight and distribute the load across the axles according to the measured values. The present invention pertains to the fields of mechanical engineering and measuring systems intended for commercial vehicles.

An electronic refrigerant scale, comprising a housing (1) and a weighing platform (2) horizontally arranged on the housing (1). A solenoid valve (3), a first charging valve (4), and a second charging valve (5) are disposed within the housing (1). The first charging valve (4) and the second charging valve (5) are both vertically arranged, upper ends of the two valves both extend out of the housing (1), a lower end of the first charging valve (4) is in communication with one end of the solenoid valve (3), and a third charging valve (8) and a three-way pipe fitting (9) are further disposed within the housing (1). The third charging valve (8) is vertically arranged, and the weighing platform (2) is provided with a clearance hole (2a) for an upper end of the third charging valve (8) to extend out. One end of the three-way pipe fitting (9) is in communication with the other end of the solenoid valve (3), and the other two ends of the three-way pipe fitting (9) are in communication with a lower end of the second charging valve (5) and a lower end of the third charging valve (8), respectively. Thus, the problem of poor practicability of existing electronic scales is solved.

The application provides an electronic scale calibration method, which comprises the following steps: acquiring the working environment temperature of the electronic scale, searching for the standard zero point internal code value and the standard range internal code value corresponding to the working environment temperature in a pre-stored temperature internal code table, and calculating the internal code weight relationship value according to the standard zero point internal code value and the standard range internal code value; acquiring the actual internal code value of the electronic scale; and calibrating the actual measured weight of the electronic scale based on the actual internal code value, the standard zero point internal code value and the internal code weight relationship value, so as to automatically adjust the measured weight of the electronic scale according to different temperatures and calibrate the electronic scale.

An electronic balance includes an electromagnetic unit including a yoke with a magnet disposed inside, and configured to achieve a balance with a load of a to-be-weighed object by supplying a current to a coil disposed in a magnetic field of the magnet, and a temperature sensor configured to detect a temperature of the electromagnetic unit, wherein the temperature sensor is attached to a flexible board including a sensor attaching portion to which the temperature sensor is attached and a lead wire portion configured to connect the temperature sensor to an A / D converter, a sensor accommodating recess capable of accommodating the temperature sensor is formed on a surface of the yoke, and the temperature sensor is attached to the electromagnetic unit so that the temperature sensor is accommodated in the sensor accommodating recess, and the sensor attaching portion closes the sensor accommodating recess.

Scales for use with cooking appliances such as pressure cookers, and associated systems and methods, are disclosed herein. In several implementations, a scale includes load cells configured to detect a weight of a cooking appliance placed on the scale and any food therein. The scale can further include temperature sensors positioned proximate to corresponding ones of the load cells and configured to detect the temperature proximate to each of the load cells. A processor within or external to the scale is communicatively coupled to the load cells and the temperature sensors, and is configured to determine the weight of the cooking appliance and food based at least in part on the detected weights and the detected temperatures.

A semiconductor wafer mass metrology method comprising: controlling the temperature of a semiconductor wafer by: detecting information relating to the temperature of the semiconductor wafer; and controlling cooling or heating of the semiconductor wafer based on the detected information relating to the temperature of the semiconductor wafer; wherein controlling the cooling or heating of the semiconductor wafer comprises controlling a duration of the cooling or heating of the semiconductor wafer; and subsequently loading the semiconductor wafer onto a measurement area of a semiconductor wafer mass metrology apparatus.

The utility model provides a refrigerant electronic scale, which solves the problem that the existing electronic scale is poor in practicability. The refrigerant electronic scale comprises a shell and a scale pan horizontally arranged on the shell, an electromagnetic valve, a first inflating valve and a second inflating valve are arranged in the shell, the first inflating valve and the second inflating valve are vertically arranged, the upper ends of the first inflating valve and the second inflating valve extend out of the shell, the lower end of the first inflating valve is communicated with one end of the electromagnetic valve, and a third inflating valve and a three-way pipe fitting are further arranged in the shell; the third inflating valve is vertically arranged, and a receding hole for the upper end of the third inflating valve to extend out is formed in the scale pan. And the other two ends of the three-way pipe fitting are respectively communicated with the lower end of the inflating valve II and the lower end of the inflating valve III. The refrigerant electronic scale is relatively practical.

A system and method are disclosed that allow for determination of the pressure or relative amount of fluid within a container by first vibrating the outer surface of the container, where the container contains fluid. Vibration data is then received at the outer surface of the container, and the vibration data is then converted to one or more frequencies using, for example, a discrete Fourier transform. The pressure or relative amount of fluid in the container may then be estimated based on the one or more frequencies (e.g., via direct linear correlation).

The utility model discloses a weighing sensor device applied to a high-temperature environment, which comprises a weighing sensor, the weighing sensor is arranged in a closed shell structure, the shell structure is of a double-layer structure, an accommodating cavity is formed in the double-layer structure, and the accommodating cavity is used for arranging the weighing sensor and accessories; a middle layer is formed between the inner wall and the outer wall of the double-layer structure and connected with the vortex refrigerating system, and cold airflow of the vortex refrigerating system enters the middle layer to isolate external high temperature. Through the combination of the double-layer structure and the vortex refrigeration system, external heat is effectively isolated, heat generated inside is taken away through cold air flow, and it is ensured that the weighing sensor can still keep a normal working temperature range in a high-temperature environment. Due to the adoption of an efficient cooling mechanism, the influence of temperature fluctuation caused by heat conduction on the output of the sensor is reduced, so that the stability and the accuracy of a metering result are improved, and the problem of overload alarm is avoided.

Described is a weighing device (1, 1', 1'', 1‴) for process environments with a high pressure and / or temperature variation, particularly for environments which can be sterilised by superheated steam or with vacuum hydrogen peroxide, which comprises a box-shaped body (3), immersed in a compensation chamber (CC), and which has inside it a containment chamber (30) for the weighing instruments (31). Connected to the instruments (31) there is a weighing plate (2) integral with a spacer (21). The spacer (21) extends along a vertical direction (Z) and supports the object to be weighed. The plate (2) is suitable for operating in a process chamber (CP) which can be sterilised and hermetically separated from the compensation chamber (CC). There are also access and sealing means for the containment chamber (30), movable between an open position and a closed position: in the open position, the containment chamber (30) communicates with the outside, in the closed position, the containment chamber (30) is isolated relative to the process chamber (CP). There are also injectors (4, 41, 41', 41", 41"') of a flow entering the containment chamber (30) for cooling said instruments (31) and ejectors (5, 50, 51, 51', 51'', 51‴) of a flow coming out of the containment chamber (30) for controlling the internal pressure. The invention also relates to a process for weighing sterile elements with the device (1, 1', 1", 1‴) according to the invention.

A combination weighing apparatus includes a first stepping motor, which has a heat emitting surface, and a load cell. The load cell has a strain element and an electrical circuit including a first temperature-sensitive resistor. The strain element has a first thin portion to which a first strain gauge is attached, a second thin portion to which a second strain gauge is attached, and a first central portion disposed between them. The first central portion has a first surface that opposes the heat emitting surface of the first stepping motor and a second surface that does not oppose the heat emitting surface. The first temperature-sensitive resistor is secured to the second surface.

The application discloses a kind of load cell, including Wheatstone bridge, the excitation end of the Wheatstone bridge is connected with several compensation modules in series, the compensation module includes strain gauge and temperature compensation module group connected to the strain gauge in parallel, the temperature compensation module group includes several temperature compensation modules in series or parallel, the temperature compensation module includes thermistor in series or parallel, alternatively, includes several thermistors and several fixed resistors, and the thermistor and the fixed resistor are in series or parallel.The load cell of the application, the temperature compensation module is compensated to the strain gauge for non-linear compensation, so as to realize the temperature error in the non-linear error compensation of the load cell, and further improve the weighing precision and the weighing performance of the load cell.

The utility model provides a monomer electromagnetic force sensor for an electronic balance, which relates to the technical field of electronic balances, and comprises a weighing monomer with an integrated structure, the weighing monomer comprises a weighing wall, a micro electromagnetic force balancing unit, a permanent magnet cylinder body and a weighing machine body, and further comprises a composite shielding layer arranged on the periphery of the permanent magnet cylinder body, a thermistor is further installed in the weighing single body, the thermistor is connected with a measuring circuit of the sensor, and the composite shielding layer is composed of a copper outer layer and a permalloy inner layer. According to the utility model, the thermistor is arranged, and the resistance value of the thermistor is obviously changed along with the temperature change, so that the thermistor is reasonably connected with the measuring circuit of the sensor, and the output change of the sensor caused by the temperature change is counteracted by the resistance value change; the temperature compensation mechanism can effectively improve the measurement precision and stability of the sensor in different temperature environments.

A system and method are disclosed, that allow for the determination of a mass of a fluid within a container by first vibrating an external surface of a container, where the container contains a fluid (such as a compressed fluid, a gas, a liquid, a mixture of a gas and liquid, or a supercritical fluid). Then, vibration data is received at the external surface of the container, and the vibration data is then converted into one or more frequencies. The mass of the fluid in the container is then estimated based on the one or more frequencies.

To provide a system and a method for estimating the load of a specially-equipped vehicle and a computer program.SOLUTION: A specially-equipped vehicle having a hydraulic actuator for lifting a cargo box includes: an acquisition unit for acquiring data on the magnitude of a hydraulic pressure on the basis of output from a pressure meter for measuring the magnitude of a hydraulic pressure that acts on the hydraulic actuator; a correction unit for correcting data acquired by the acquisition unit; and an estimation unit for estimating the weight of the load in the cargo box on the basis of the corrected data.SELECTED DRAWING: Figure 4

The invention discloses a weighing sensor cascade software compensation method and system, and the method comprises the steps: reading a compensation parameter from a power-down storage device, obtaining weighing and temperature signals through an acquisition circuit, carrying out the filtering and noise reduction, carrying out the two-point linearization processing of the weighing signal, and carrying out the calculation of the two-point linearization processing. Zero-point temperature compensation, sensitivity temperature compensation, nonlinear lag compensation, weight conversion and creep compensation are sequentially completed, and finally the weight is converted and a weighing signal after cascade compensation is output. According to the invention, the signal stability and accuracy are improved by adopting cascade compensation logic; parameterization adjustment adapts to multiple types of sensors, and environment and working condition changes can be dynamically adapted; hardware dependence is simplified, and production and maintenance cost is reduced; the method has strong anti-interference capability and adaptability to complex working conditions, and is suitable for multiple fields.

The invention discloses a vehicle container weighing method and system and a mine truck. The method comprises the steps that wheel rotating speed data, vehicle posture data, axle strain data and pressure data of a container lifting oil cylinder are acquired; according to the wheel rotating speed data, the vehicle posture data and the axle strain data, the current operation state of the vehicle is recognized; based on the current operation state of the vehicle, selectively starting load compensation for the pressure data of the container lifting oil cylinder to obtain weighing data of the container; and outputting the weighing data of the container. According to the invention, the weighing stability and precision of the mine truck under the dynamic condition can be improved.

The invention provides a temporary storage device, detection equipment and a detection process, and relates to the technical field of semiconductors, the temporary storage device comprises a bin body, a bin cover, an air inlet part and an air exhaust part, one side of the bin body in a first direction is provided with an opening part, and the air inlet part is communicated with the interior of the bin body; a plurality of layers of containing parts used for containing parts to be processed are sequentially arranged in the bin body in the second direction, in the second direction, a gap layer is formed between the first layer of containing part and the bin wall of the bin body, and a gap layer is formed between every two adjacent layers of containing parts. Each gap layer is respectively communicated with different sub-exhaust parts, and the first direction is perpendicular to the second direction. By independently controlling the air exhaust amount of each sub air exhaust part, the problem that the treatment effect of a part corresponding to the gap layer with small air flow is poor due to the fact that the difference of the air flow of the gap layers is too large can be avoided, and the treatment uniformity is guaranteed.

A temperature compensation method for a weighing device, wherein the scale is provided with a temperature sensor, the method is performed by a processor, and includes, when the scale is powered on: receiving a first ambient temperature from the temperature sensor at a first time point; receiving a second ambient temperature from the temperature sensor at a second time point; obtaining a first compensation value associated to a default temperature threshold and a relationship between the first ambient temperature and the second ambient temperature, and obtaining a cumulative compensation value updated by the default temperature threshold; and obtaining a calibrated target temperature that is a target temperature of a subject sensed by the temperature sensor being calibrated by the cumulative compensation value, wherein the first time point is earlier than the second time point. The present disclosure also provides a weighing device with temperature sensing function.

The application discloses a preheating-free waiting electronic balance weighing method, which comprises the following steps: collecting the real-time temperature of a permanent magnet in response to the start of an electronic balance; obtaining the real-time intrinsic magnetic field intensity of the permanent magnet with respect to a first coil at the real-time temperature; adjusting the current intensity flowing into a second coil according to the real-time intrinsic magnetic field intensity, so that the magnetic field intensity of the region where the first coil is located is maintained within a first preset magnetic field intensity range; issuing a magnetic field intensity adjustment completion reminder to enable a user to perform a first skin-removing zero operation on the electronic balance in response to the magnetic field intensity of the region where the first coil is located being within the first preset magnetic field intensity range; stopping the energization of the second coil and issuing a preheating completion reminder to enable the user to perform a second skin-removing zero operation on the electronic balance in response to the permanent magnet reaching a thermal equilibrium temperature; and weighing a to-be-measured object in response to the object being placed on a scale pan. The application can eliminate the preheating waiting time while ensuring the weighing accuracy.

A system and method are disclosed, that allow for the determination of a mass of a fluid within a container by first vibrating an external surface of a container, where the container contains a fluid (such as a compressed fluid, a gas, a liquid, a mixture of a gas and liquid, or a supercritical fluid). Then, vibration data is received at the external surface of the container, and the vibration data is then converted into one or more frequencies. The mass of the fluid in the container is then estimated based on the one or more frequencies.

A weighing device for process environments with a high pressure and / or temperature variation, particularly for environments which can be sterilised by superheated steam or with vacuum hydrogen peroxide, which includes a box-shaped body, immersed in a compensation chamber, and which has inside it a containment chamber for the weighing instruments. A weighing plate is integral with a spacer. The spacer extends along a vertical direction and supports the object to be weighed. Access and sealing devices for the containment chamber are, movable between open and closed positions: in the open position, the containment chamber communicates with the outside, in the closed position, the containment chamber is isolated relative to the process chamber. There are also injectors of a flow entering the containment chamber for cooling said instruments and ejectors of a flow coming out of the containment chamber for controlling the internal pressure.

A combination weighing apparatus includes a first stepping motor 51, which has a heat emitting surface HS, and a load cell 90. The load cell 90 has a strain element 90a and an electrical circuit including a first temperature-sensitive resistor R1. The strain element 90a has a first thin portion TH1 to which a first strain gauge 1G1 is attached, a second thin portion TH2 to which a second strain gauge 2G1 is attached, and a first central portion C1 disposed between them. The first central portion C1 has a first surface C1A that opposes the heat emitting surface HS of the first stepping motor 51 and a second surface C1B that does not oppose the heat emitting surface HS. The first temperature-sensitive resistor R1 is secured to the second surface C1B.

A system and method are disclosed, that allow for the determination of a pressure of a fluid, or the relative amount of fluid within a container by first vibrating an external surface of a container, where the container contains a fluid. Then, vibration data is received at the external surface of the container, and the vibration data is then converted into one or more frequencies using, e.g., a discrete Fourier transform. The pressure, or relative amount of fluid in the container, may then be estimated based on the one or more frequencies (e.g., via a direct linear correlation).

The invention relates to the technical field of kitchen utensils and intelligent health management, in particular to a lever weighing pot. The invention provides a lever weighing pot. According to the technical scheme, the lever weighing pot comprises a pot body; the lever weighing panhandle comprises a panhandle shell, a three-stage lever mechanism and a strain gauge sensor, the three-stage lever mechanism and the strain gauge sensor are arranged in the panhandle shell, the rear end of the three-stage lever mechanism is hinged to the panhandle shell through a rotating hinge, and the front end of the three-stage lever mechanism extends out of the panhandle shell to be connected with a pan body; the three-stage lever mechanism is provided with an elastic heat insulation force transmission piece, and when the three-stage lever mechanism is stressed, pressure is transmitted to the strain gauge sensor through the elastic heat insulation force transmission piece. The scheme has the advantages that the weighing precision is kept in a high-temperature environment, lateral stress interference is reduced, and real-time weighing and nutrition management in the cooking process are achieved.

A silo content monitoring system (100) for a silo (102) fitted with a rotatable discharge auger (114, 118). The system has a strain gauge (150) affixed to at least one of the support struts (124) supporting the silo shell (104) above the ground. The strain gauge output (1500) is proportional to the compressive strain in the said silo strut (124), and is used to obtain an estimate of the silo's weight, and hence the weight of the silo's content, by subtracting a tare value. The system also has a motion sensor (152), which detects rotation of the discharge auger (118). A central processor of the system calculates: during a night time interval, an overnight silo content weight measurement (1502) based on the strain gauge (150) readings; and during a daytime interval, an estimated dispensed weight by subtracting a certain weight for each rotation or part-rotation of the auger (118). By doing this, the system (100) is able to display, on a read-out device (158), a dead reckoning silo content weight estimate (174), which is the overnight silo content weight measurement, minus the estimated dispensed weight since the last overnight silo content weight measurement.