40results about "Volume indication and recording devices" patented technology

This utility model discloses an emergency diversion and intelligent early warning system for sewage and drainage risers, including a vertically arranged main sewage pipe and a blockage overflow pipe. A main pipe branch tee is installed on the main sewage pipe. The upper end of the blockage overflow pipe is connected to the main pipe branch tee. A water flow detector is installed inside the connecting pipe between the blockage overflow pipe and the main pipe branch tee to monitor the water flow in the blockage overflow pipe. A horizontally arranged main discharge horizontal pipe is connected to the lower end of the main sewage pipe, and a horizontally arranged overflow horizontal pipe is connected to the lower end of the blockage overflow pipe. This utility model effectively solves the problem of sewage backflow caused by blockage at the bottom of building sewage risers, realizes automatic emergency diversion when the pipe is blocked, and achieves real-time early warning of blockage through the linkage of the water flow detector and the buzzer alarm, allowing for timely intervention and saving maintenance costs.

A system includes a flow sensor contained within a flow sensor housing, a base, and a seal. The base houses a controller that generates at least one operation modification signal, and the flow sensor is separable from and mountable onto the base. A bottom surface of the flow sensor housing includes the seal. The seal forms a liquid-tight engagement between the flow sensor housing and the base when the flow sensor is mounted onto the base.

Measured values of fluid properties for oil, gas, and water at particular operating temperature and operating pressure in a pipe are used to develop fluid phase equilibrium model to calculate fluid properties at other operating temperatures and operating pressures in the pipe. The developed fluid phase equilibrium model is used to generate a fluid property look-up table that establishes correspondence between values of operating temperatures and operating pressures and values of fluid properties for oil, gas, and water. A flowmeter is configured to directly use the fluid property look-up table to measure flowrates of oil, gas, and water in the pipe.

This invention belongs to the technical field of post-grouting cement usage metering equipment, and specifically relates to a post-grouting cement usage metering device for cast-in-place piles. The device includes a negative pressure box, with a connecting pipe fixedly connected to the top of the negative pressure box, a cement slurry flow meter fixedly connected to the bottom of the negative pressure box, and a fixed support fixedly connected to the bottom of the negative pressure box. An air-expelling mechanism is fixedly connected to the inner wall of the fixed support. This invention enables the post-grouting cement usage metering device for cast-in-place piles to not only eliminate cement slurry air bubbles and automatically measure the amount of dry cement used, but also to have temperature control capabilities. This improves the device's resistance to harsh external temperature environments, reduces errors in dry cement usage measurement, and enhances the accuracy and efficiency of dry cement usage measurement. Simultaneously, it improves the reliability of the device and reduces the labor intensity of workers.

The utility model belongs to vortex shedding flowmeter technical field, concretely is a kind of vortex shedding flowmeter with heat insulation effect, including pipeline, the outside welding of pipeline has fixed base, the first limit hole is set in the circumference surface of connecting rod, the inside of two first limit holes is inserted with first limit post, the outside swing joint of fixed base has third heat shield, and third heat shield is fixedly connected with first heat shield and second heat shield by fixed bolt;The bottom of third heat shield is provided with mounting groove, and the inside of mounting groove is fixedly connected with mounting bracket, and the bottom of heat conduction block is fixedly connected with a plurality of radiating fins.The utility model sets up first heat shield, second heat shield, third heat shield, heat conduction block and radiating fin, improves the heat insulation effect and improves the heat dissipation performance simultaneously;By setting slider, limit ring and connecting column, it is convenient to install first heat shield and second heat shield.

The application belongs to the field of gas meters, in particular to a camera gas meter with leakage self-checking function, which comprises a gas metering chamber and a meter fixedly connected to the front end of the gas metering chamber, the top of the gas metering chamber is fixedly connected with two connecting valves, the front end of the meter is provided with a roller counter for recording the amount of gas and a display screen, and the outer side of the roller counter and the display screen is fixedly connected with a protective frame made of transparent material; through such a setting, not only the accurate recording function of the gas usage amount is ensured, the real-time data recorded by the roller counter is directly detected by a high-sensitivity detector, and the data of the roller counter is recorded by the direct shooting method for calibration comparison at regular intervals to ensure the accuracy of the data; at the same time, the rotatable detection roller is used to detect the gas content in the space around the gas meter without dead angle, and cooperates with the camera module again to reduce accidental errors, realizes the function of gas leakage self-checking, and further ensures the safety of the user.

The utility model provides a kind of silicon sand raw material unloading sand opening flow real-time display and voice alarm device, including belt weigher, PLC controller, host computer, audible alarm lamp and LED intelligent display screen, the belt weigher is installed on belt conveyor, the analog output port of belt weigher is electrically connected with the PLC controller in centralized control room, the PLC controller and host computer the PLC digital output of PLC controller and audible alarm lamp electrically connected.The utility model has the beneficial effect as follows, the utility model is discharged by the belt weigher of installation in belt conveyor Flow acquisition, after being handled by PLC controller etc., real-time flow value is shown in on-site discharge port, so that discharging driver can be according to current real-time flow, the inclination angle of vehicle rear discharge hopper is remotely controlled by remote controller, artificially effectively control vehicle discharge speed, prevent conveying belt equipment overload use, greatly prolong the service life of equipment.

The application belongs to the technical field of Internet of Things water meters, and discloses an intelligent anti-inversion Internet of Things water meter, which comprises a water pipe, one end of the water pipe is provided with a water inlet, the end of the water pipe far from the water inlet is provided with a water outlet, the water inlet and the water outlet are communicated with each other, a turbine sensor is installed in the water inlet, a water meter main body is installed on the water pipe, the water meter main body comprises a shell installed on the water pipe, a screen arranged on the shell, a data controller installed in the shell and a signal module installed in the shell, the data controller and the turbine sensor are connected with each other, the data controller and the signal module are connected with each other, and an anti-backflow assembly for preventing water flow from flowing back is arranged in the water pipe. The application has the effect of improving the practicability of the device.

A backlit meter counter comprises several transparent plastic digit wheels mounted side-by-side on a digit wheel shaft. Each digit wheel has a total reflective surface surrounding the shaft. The reflective surface reflects light along the axial direction of the digit wheel onto a semi-transparent digit wheel character surface to form a character backlight. The scattered light from the digit wheels illuminates a scale plate, providing backlight for the scale marking layer. A light-emitting lamp is arranged at the axial end face of the digit wheel array, and a reed switch is arranged near the dial surface as an electrical control interface for controlling the backlight switch. A low self-discharge rate battery powers the backlight system. The counter components and backlight circuit are all sealed within the counter housing.

This invention provides a flow monitoring method, which includes: within a monitoring period, acquiring the current state of at least one switch in a flow path based on a sampling frequency, wherein the current state of at least one switch can determine the current state of the flow path; creating or updating monitoring slices based on the difference between the current state of the flow path and the state obtained in the previous sampling, to obtain multiple monitoring slices; determining the cumulative conduction metering value of the fluid path based on the monitoring period length and the multiple monitoring slices; and outputting alarm information or executing a preset control operation when the cumulative conduction metering value is greater than or equal to a preset metering threshold.

The utility model provides a kind of water supply flowmeter of internet of things, including shell, water pipe is inserted in the middle part of shell, shell is set through and is covered with first cover plate and second cover plate respectively, the inside of shell is provided with two coils, the inner wall of water pipe is provided with lining, electrode is provided on the lining, contact is provided on water pipe, one end of contact and the back surface of electrode are electrically connected, and the other end extends out water pipe radially.

A flow metering system includes a flow meter coupled to a plurality of sensors and configured to measure volume of fluid flowing through the flow meter. The system also includes a metrology computer coupled to the flow meter and the sensors. The metrology computer is configured to receive live values from a plurality of sensors during a first time period, train an artificial intelligence engine based on the live values received during the first time period, and detect a sensor failure based on a deviation between a live value from the sensor and a predicted value for the sensor. The predicted value is based on live values from other of the plurality of sensors and the artificial intelligence engine.

A method of analyzing a liquid in an agricultural sprayer includes directing, with a drum housing (16) and a central passage housing (23), a fluid along a vortex flow path (24) within the drum housing (16) and around an axis to revolve a projectile (30) within the drum housing (16) and around the axis S-S. A light beam is emitted across a path of the projectile (30) and the fluid. An optical sensor (12) receives a first reflection of the light beam from the fluid and a second reflection of the light beam from the projectile (30). The optical sensor (12) communicates data about the first and second reflections to a controller (39), and the controller (39) assesses the first and second reflections to determine a turbidity of the fluid flowing along the vortex flow path (24).

The utility model provides a kind of gas meter with intelligent adjusting function, it is related to gas meter technical field, including gas meter main part;The inside front end intermediate position of gas meter main part is fixedly installed with display controller, and the inside front lower position of gas meter main part is slidably connected with push-pull cover, and battery is placed in the inside position of push-pull cover.It is equipped with safety pipe, stretching part, closure pad and other structures when abnormal situation such as gas leakage occurs, and circuit board can control stretching part to stretch, so that the taper position of closure pad is attached to the taper groove of safety pipe, rapidly cut off gas supply, effectively avoid the occurrence of dangerous accident.Solve the problem that traditional gas meter lacks effective automatic gas supply cut-off mechanism, when gas leakage and other dangerous situations occur, gas delivery cannot be timely blocked in larger security risks.

The utility model discloses a gas meter with anti -back flow function, the utility model relates to gas meter technical field. This gas meter with anti -back flow function includes the shell, the inside of shell is provided with the monitoring mechanism for monitoring gas flow, the monitoring mechanism includes: flow measurement subassembly, and the gas flow is calculated through the time required for ultrasonic wave propagation in fluid, anti -back flow subassembly, including the connecting pipe of setting in the shell inside, the inside fixed mounting of connecting pipe has the draft tube, the center of draft tube inserts and installs the movable column, and the open hole of annular distribution is designed to the pipe top, and the open hole position of this open hole and sealing washer is mutually staggered, and even if there is the extremely small adhesion gap, and the open hole structure of staggered open hole structure can further block the gas backflow channel, and the close adhesion of sealing washer and connecting pipe arc surface, and the poor problem of the tightness of anti -back flow structure is solved from the'force adhesion + structure dislocation'dual dimension.

This invention belongs to the field of water meter technology, specifically a hidden camera visual recognition smart valve-controlled water meter. It includes a water meter body, a control box housing mounted on top of the water meter body, a control box cover mounted on top of the control box housing, and a counting mechanism and a vision component installed inside the control box housing. The counting mechanism includes a mounting base fixed inside the control box housing, and a multi-level digital wheel group composed of multiple digital wheels rotatably mounted on the top of the mounting base. The digital wheels include a first group of staggered digital wheels and a second group of digital wheels. Compared to traditional manual meter reading, this invention is more efficient and less labor-intensive in reading data, significantly reducing meter reading costs and manpower. Building upon the traditional pulse-based meter reading method of smart water meters, it combines a hidden camera structure design to achieve dual meter reading methods. Furthermore, it possesses excellent anti-vandalism and anti-interference performance, strong structural protection, and adaptability to complex installation environments.

A flow meter (1) includes a flow tube (3) and sensors (19a, 19b), that generate signals for measuring a fluid flow through the flow tube. An electronics housing (5) accommodates a battery (23) and a printed circuit board, PCB (15). The PCB is equipped with electronics. A pair of elongate connector elements (29) electrically connect axial end contacts (27) of the battery with the PCB for powering the electronics and / or sensors by the battery. The battery is arranged at a distance (D3) to the PCB. The pair of elongate connector elements includes a first end section (31), connected to the PCB, a contact section (33), connected to one of the end contacts of the battery, and a second end section (35). The electronics housing includes inward protrusions. The second end sections of the pair of elongate connector elements abut axially against the inward protrusions to fix the battery axially.

The application discloses an intelligent water meter system based on AI visual identification, relates to the field of intelligent water meters, and realizes full-automatic and high-precision collection of water meter readings through installation of an AI camera terminal, and robust segmentation and identification of the digit wheel digits and the pointer angle under complex illumination and stain environments; the application innovatively internally embeds synchronous error checking logic based on a mechanical transmission principle, can mark potential faults of inconsistency between the pointer and the digit wheel readings in real time, after data convergence of a cloud platform, not only constructs a time sequence database to support fine water consumption analysis, regional leakage early warning and scheduling optimization, but also can perform deep diagnosis on error marks reported by the terminal, quantitatively evaluate the mechanical fault grade, and generate a maintenance work order; the application does not need to transform the original meter, greatly reduces deployment and operation and maintenance costs, simultaneously upgrades traditional meter reading to intelligent management with automatic identification of the whole meter dial and intelligent decision support, and significantly improves the efficiency and reliability of water operation.

The application discloses a data storage and synchronization method for a water meter, comprising the following steps: S100, selecting a threshold value, and dividing an integer part and a mantissa part; S200, adding the mantissa part obtained each time to form a mantissa cumulative value and writing the mantissa cumulative value into storage; S300, when the mantissa cumulative value exceeds the threshold value, carrying to the integer part; S400, reading the latest number of the integer part and the latest number of the mantissa part; and S500, comparing the latest number of the integer part and the latest number of the mantissa part. In the scheme, the measurement data is split through measurement accuracy, and the data accumulation scheme of carrying through the threshold value between the mantissa part and the integer part can be applied to all measurement devices for calculating cumulative measurement data through single measurement data. The data synchronization scheme between the integer part and the mantissa part can complete the synchronization of data before and after power-on without increasing the number of storage operations, the data storage period is no longer fixed, and device reset will not cause the loss of measured data.

To calculate the flow rate of a fluid while avoiding increase of size of the whole device even when the flow rate of the fluid is large.SOLUTION: A flow rate calculation device is for calculating the flow rate of a fluid flowing in a main flow passage, and includes: a specific flow passage and a bypass flow passage branching from a main flow passage and dividing a fluid; a first fluid resistive element provided in the specific flow passage; a second fluid resistive element provided in the bypass flow passage; a container arranged in the downstream side of the first fluid resistive element in the specific flow passage; a pressure sensor for detecting the pressure in the container; and a flow rate calculation unit for calculating the flow rate of a first branch fluid branching into the specific flow passage on the basis of change of the pressure in the container and calculating the flow rate of the fluid flowing in the main flow passage on the basis of the calculated flow rate of the first branch fluid and the flow division ratio of the first flow fluid resistive element and the second fluid resistive element.SELECTED DRAWING: Figure 1

The application belongs to the technical field of water meter reading tools, and discloses a water meter well meter reading device for urban and rural water supply, which comprises a telescopic rod, a multifunctional fork head and a waterproof camera. One end of the telescopic rod is provided with a clamping piece, and the clamping piece is used for fixing a mobile phone. The multifunctional fork head is arranged at the end of the telescopic rod away from the clamping piece and is used for turning over a water meter cover. The waterproof camera is arranged at the end of the telescopic rod away from the clamping piece and protrudes from the multifunctional fork head. The waterproof camera is electrically connected with the mobile phone in a detachable manner. By arranging the waterproof camera and electrically connecting the waterproof camera with the mobile phone, the problem that a meter reading personnel cannot see the numbers due to environmental factors, personal vision and the like and thus causes an error of an excessive parameter is solved.

The utility model relates to water gauge technical field discloses a sealed thing networking non -magnetic water gauge, including the meter body, the upper surface fixedly connected with upper casing has on the meter body, the upper surface of upper casing is pasted with the flap, is provided with the sealing assembly in the flap inner wall, the sealing assembly includes the sealing ring, the sealing ring outer wall pastes in the flap inner wall, the spring is fixedly connected with the sealing ring in the upper casing inner wall bottom, one end of spring is fixedly connected with the sealing ring, the flap outer wall is fixedly connected with fixed block no.

The invention relates to a computer-implemented method comprising: obtaining a series of successive time-domain pulses from a meter of water consumption that is placed on a water inlet pipe serving at least one dwelling, each pulse representing consumption of a predefined volume of water at an emission time; detecting a use associated with a first pulse having an emission time greater than or equal to the sum of the emission time of the immediately preceding pulse in the series and of a predefined threshold; associating successively with the use immediately subsequent pulses in the series, provided that the difference between the emission time of the last pulse associated with the use, and the emission time of the immediately subsequent pulse is less than said predefined threshold; computing a volume of water consumed during the use, said volume of water consumed during the use being equal to the number of pulses associated with the use multiplied by said predefined volume; classifying the use into a type of use, depending on said volume of water consumed during the use.