82 results about "Gas meter" patented technology

This utility model discloses a gas metering box, including a metering box body. Both sides of the metering box body have through-holes for pipes. Sealing sleeves are provided on both the inner and outer sides of the through-holes. The sealing sleeves are fixedly connected to the metering box body by adhesive. The end of the sealing sleeve furthest from the metering box body is inclined inwards, and the edge of this end of the sealing sleeve is turned outwards at a 45-degree angle. A restraining ring is fitted on the outer side of this end of the sealing sleeve. The advantage of this utility model is that by using the sealing sleeve to fit against the outer surface of the gas pipe installed through the through-hole, the gap between the gas pipe and the through-hole is sealed, thus preventing external dust and moisture from entering the metering box body. This seal also prevents the pipes and gas meter installed inside the metering box from being corroded by dust and external moisture.

The utility model discloses a convenient reading device for gas meter, including protective shell, the protective shell front side is installed with the protective door, has opened the inspection window on the protective door, the hinged mirror is hinged to the inspection window, the protective door is connected with the pull rope, the pull rope can drive the rotation of the mirror, the protective door is installed with the cleaning frame, the cleaning frame can clean the inside surface of the mirror.

The utility model belongs to the technical field technical field of gas meter infrared communication technology field, the utility model provides a kind of low-power gas meter infrared communication system, it includes main control module, infrared receiving module, infrared transmitting module, key trigger module, power module, key trigger module is electrically connected with main control module, main control module is electrically connected with infrared receiving module and infrared transmitting module, infrared receiving module includes IRCTRL pin, infrared receiving circuit and IRIN pin, first control circuit is arranged between IRCTRL pin and infrared receiving circuit, infrared transmitting module includes IROUT pin and infrared transmitting circuit, second control circuit is arranged between IROUT pin and infrared transmitting circuit.The utility model among them gas meter infrared communication system, circuit design is simple, the quantity of component used is less, and hardware design cost is low, can close infrared module under non-communication state, effectively prolongs the service life of gas meter, and maintenance cost is reduced.

The utility model discloses a kind of tooling structures of positioning gas meter, it is related to gas meter tooling technical field, including bottom plate, the top of bottom plate is equipped with gas meter main body, by placing gas meter main body at the top of bottom plate, the outer wall of using limit plate and the top of bottom block abut, while the ring plate fixed with limit plate is slid on the outer wall of guide column, so that gas meter main body is firmly installed at the top of bottom plate, avoid being impacted by external force interference to cause gas meter main body to slide at the top of bottom plate, by using two clamps to slide at the top of bottom plate, the outer wall of clamp and the inner wall of concave block slide, while the slider fixed at the bottom end of clamp slides on the inner wall of bottom plate, and clamp is subjected to the spring reset pulling force of spring outer wall sleeve set, so that two clamps firmly install gas meter main body at the top of bottom plate, the inner wall of two insertion posts is respectively sleeved with clamp, so that the bottom end of insertion post and the inner wall of bottom plate are matched and installed.

1. The name of the design product: gas meter joint. 2. The use of the design product: joint for connecting gas meter and pipeline. 3. The design features of the design product: in shape. 4. The picture or photo that best shows the design features: perspective view 1.

The application provides a data communication method, device and storage medium. The method is applied to a gas device including a processing unit and a metering module. The method includes the following steps: obtaining function data, encapsulating the function data into a data frame by using a preset frame structure, sending the data frame to the metering module, and obtaining a response. Flexible data transmission is realized. The preset frame structure encapsulates data, which can accommodate more types of function data, realizes complex data interaction requirements, and thus improves the technical problem of insufficient data transmission capacity of a gas meter in the related art caused by strict limitation of the number of fields, which is difficult to meet the requirements of modern gas management systems on data richness, flexibility and expansibility, and improves the intelligent level of the gas metering device.

The utility model discloses a kind of gas meter sealing protection structure, belong to gas meter protection technical field, its technical scheme main points include the protection structure of gas meter body outside bolted, the outside of the protection structure is fixedly connected with auxiliary structure, the inside of the fixed frame is slidably connected with the outside of movable frame, the inside of the movable frame is fixedly connected with the outside of transparent plate, the bottom of movable frame front side is bolted with the rear side of mounting handle, the inner wall of movable frame is bonded with the outer wall of iron column, the top of iron column is magnetically connected with the bottom of magnetic attraction block, the sealing protection structure of existing gas meter is mostly simple fixed shell, it is difficult to provide comprehensive physical protection, there are many limitations, and these shells generally lack flexible operation window, user needs to disassemble shell when viewing gas meter reading, operation is cumbersome and internal element is easy to damage.

This application provides a gas meter. The gas meter includes: a meter housing having a receiving cavity and an assembly port communicating with the receiving cavity, the assembly port being used to connect to an external pipeline; a gas valve including: a valve frame fixed within the receiving cavity, the valve frame including a valve chamber and an airflow channel communicating with the valve chamber, the airflow channel communicating with the assembly port, and a pressure tapping port on the side wall of the airflow channel; a valve core movably disposed within the valve chamber, the valve core being used to open and close the valve chamber; and a pressure detection device disposed on the valve frame, the pressure detection device being adapted to detect the pressure within the airflow channel through the pressure tapping port. The gas meter of this application, by placing the pressure detection device on the valve frame inside the meter housing, avoids making openings in the meter housing, thus improving the safety of the gas meter.

This invention discloses a diaphragm gas meter and system based on wireless power transmission, relating to the field of gas metering equipment technology. It includes a gas meter body with a built-in power receiving module and an external power supply device connected externally. Furthermore, a wireless power supply system for the diaphragm gas meter is deployed internally within the gas meter body. This invention completely eliminates the need for traditional batteries, eliminating the need for regular battery replacements, significantly reducing maintenance costs and manpower. It is particularly suitable for locations with concealed or inaccessible installations, improving the convenience of gas meter use. The invention employs a double insulation structure: an insulating outer shell and insulating isolation layer for the external power supply device, and an insulating isolation layer for the built-in power receiving module. This ensures safe isolation between the internal circuitry of the gas meter and the external power source, effectively preventing safety hazards such as electrical sparks. It meets the usage requirements of industrial sites with strict explosion-proof requirements, ensuring the safety of personnel and equipment.

The utility model discloses a gas table production and assembly equipment, including separating conveyer belt, the separating conveyer belt frame lower surface is fixedly installed with control cabinet in the position of front end, the separating conveyer belt frame lower surface is fixedly installed with support frame in the position of rear end. The utility model discloses a gas table production and assembly equipment is responsible for spare part delivery through separating conveyer belt, and separates gas table spare through separating structure, and the spare on the conveyer belt is separated into many parts, and can make every volume big gas table spare align every volume small gas table spare, and the worker is convenient to take and assembles, and the worktable provides the operation platform of height -adjustable on the gas table production and assembly equipment station, can adjust according to the height of staff on the station, has improved the convenience and comfort of operation, and the round -corner groove on the surface of operating panel can reduce the possibility of gas table spare from operating panel rolling down, and has antiskid fixed structure.

This utility model discloses an NB diaphragm gas meter that is easy to assemble quickly, relating to the field of gas meter manufacturing technology. It includes a first mounting component and a first sealing element. An mounting frame is fixed to the inner cavity of the first sealing element, and a first positioning rod is fixed to one side of the mounting frame. A limit buckle is provided at the bottom of the first positioning rod, and the limit buckle is fixed to the inner wall of the first sealing element. A main board component is provided in the inner cavity of the first sealing element. The beneficial effects of this utility model are that the synergistic cooperation of the snap-fit ​​quick-installation mechanism and the integrated positioning and guiding structure significantly improves installation efficiency and positioning accuracy, effectively solving the problems of cumbersome disassembly and assembly and difficult alignment. It ensures the reliability of equipment connection, avoids time loss due to repeated adjustments, and achieves convenient 'alignment and installation' operation and stable locking, greatly improving the assembly quality and maintenance convenience of the gas meter.

The application provides a gas meter control method and system, a gas meter, an alarm and a user equipment. The method is applied to a gas meter, the gas meter is in communication connection with an alarm, and the gas meter control method comprises the following steps: receiving a control instruction sent by a user equipment through the alarm; the control instruction is used for controlling the gas meter to execute a target operation; executing the target operation according to the control instruction; switching from a low-power consumption state to an online state, and sending an execution result of the target operation to the user equipment, or sending the execution result of the target operation to the user equipment through the alarm when in the low-power consumption state. The application realizes that the gas meter can execute the control instruction in time when the gas meter is in the low-power consumption state, thereby improving the effect of gas service processing efficiency.

The article relating to the present design is, for example, a mounting device that is attached to a gas meter and used to attach auxiliary equipment such as a communication device or load measuring instrument for the gas meter, as shown in the "Reference Diagram Showing the State of Use".

This utility model belongs to the field of power supply detection technology for gas meter controllers, specifically disclosing a battery load capacity detection circuit. It includes a control unit, a simulated load detection unit, and an alarm indication unit. The control unit outputs a control signal to the simulated load detection unit, which generates a simulated load upon receiving the control signal. The control unit's acquisition terminal can collect the voltage of the tested battery before and after the load. The control unit is connected to the alarm indication unit to control the alarm indication unit to issue an alarm indication. When the load voltage of the tested battery is lower than a preset voltage threshold or the voltage drop before and after the load exceeds a preset threshold, the alarm indication unit issues an alarm. The battery load capacity detection circuit provided by this utility model has a fast response speed, can quickly detect whether the battery meets the usage requirements, significantly improves the reliability of gas meter use, and has a simple structure, strong practicality, can be integrated into existing products, and is easy to promote and apply.

The utility model discloses a kind of gas active safety defense devices, it is related to gas safety equipment technical field, including shell, one side in the shell is equipped with air inlet pipe, another side in the shell is equipped with air outlet pipe, one end of the air inlet pipe and the air outlet pipe respectively with gas pipeline air inlet pipe and gas pipeline air outlet pipe intercommunication after penetrating out the shell, another end of the air inlet pipe and the air outlet pipe is communicated with gas meter after penetrating out the shell;Valve is installed on the air inlet pipe, valve front pressure sensor and valve rear pressure sensor are respectively installed on the air inlet pipe located the two sides of valve before and after;Flow sensor is installed on the air outlet pipe.The utility model gas active safety defense device can detect the data of gas pipeline in real time, can determine that gas pipeline under pressure, overpressure, gas over flow, leakage, earthquake and other abnormalities in time, and actively cut off gas pipeline, greatly improve the security of gas use.

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 relates to gas meter technical field discloses an intelligent gas meter based on NFC, including protection shell, the outside front side fixedly connected with display screen of protection shell, the inside fixedly connected with anti -back flow mechanism of air inlet, the inside sliding connection has rubber pad of connection protection pipe, the inside fixedly connected with push limit stop of rubber pad, the bottom fixedly connected with telescopic column of push limit stop, the outside of telescopic column is covered telescopic spring, the outside sliding connection has limit shell of telescopic spring. In the utility model, after gas enters, push rubber pad and limit stop, drive telescopic column and telescopic spring, promote the opening of connection protection pipe, and gas is exported uniformly through the uniform flow support column, and enters transmission pipe and carries out detection, thereby ensuring that the gas to be detected does not appear backflow phenomenon, so that the gas is not confused, guaranteeing detection accuracy and improving gas detection efficiency.

This invention relates to the field of gas meter technology, and in particular to a gas meter-linked electronic-mechanical alarm device. The gas meter has a rodent-repelling structure on its front side, which is linked to an alarm component. The rodent-repelling structure includes a feed frame fixed to the front of the gas meter, with an opening on one side and an openable top for placing bait to attract rodents. A hinge is mounted on the front of the gas meter, and a torsion spring is externally mounted on the hinge's movable shaft. A first rotating shaft is rotatably connected to the front of the gas meter via a support block, and a striking plate is fixed externally to the first rotating shaft. By directly integrating the rodent-repelling structure into the front of the gas meter, the bait in the feed frame attracts rodents to gnaw on the stop lever, triggering the torsion spring to drive the striking plate in conjunction with a flexible air cushion to trap the rodents. This achieves active rodent removal without requiring additional space, preventing gas leaks and meter malfunctions caused by rodent damage at the source.

This invention discloses an IoT-based intelligent monitoring and control system for ultrasonic gas meters, comprising: an original sequence construction module for constructing an original flow sequence; a dual-sequence separation module for reconstructing a baseline flow sequence and an evolved flow sequence; a correlation calculation module for calculating global correlation; a correlation comparison module for comparing the global correlation with a correlation threshold; a state determination module for generating a valve opening command or a state instability command; a state response module for calculating weighted fluctuation amplitude; a mutation acquisition module for obtaining mutation density and mutation distribution entropy based on M weighted fluctuation amplitudes; and a gas control module for performing flow control of the gas meter based on the mutation density and mutation distribution entropy. This invention achieves a fundamental distinction between real leakage signals and environmental noise under complex operating conditions, improving the accuracy of ultrasonic gas meter monitoring and control.

This invention relates to the field of gas metering equipment technology, specifically disclosing a diaphragm gas meter and system based on self-healing nanocomposite materials. Based on the self-healing nanocomposite material diaphragm, it integrates a sensor network, intelligent algorithms, and a control execution unit. First, embedded sensors collect diaphragm strain data in real time, and a crack propagation model is used to predict the evolution trend and safety cycle of microcracks. Then, based on the prediction results and environmental parameters, a reinforcement learning algorithm determines the optimal repair strategy and drives a micro-actuator to perform targeted and quantitative active repair stimulation on the risk area. Finally, the system continuously evaluates the repair efficiency and dynamically generates material and structural optimization suggestions for specific operating environments through machine learning analysis of historical data. This achieves intelligent management of the entire process from damage prediction and intelligent repair to material self-adaptation, significantly improving the metering accuracy, safety, reliability, and service life of the gas meter under harsh operating conditions.

This utility model proposes a positioning fixture for assembling a gas meter housing, relating to the field of diaphragm gas meter housing assembly technology. It includes an upper housing and a lower housing. The upper housing is provided with an inlet pipe and an outlet pipe with external threads. It also includes an assembly table, a first positioning frame, a lifting assembly, a mounting plate, a first through hole, a second through hole, a second positioning frame, and a nut. This application can accurately define the upper and lower housings of the gas meter sequentially. Then, by automatically lowering the upper housing, the accurate assembly of the gas meter housing can be completed in one go, without deviation and thus without rework. The assembly and positioning effect of the gas meter housing is better, and the device structure is simple and easy to operate.

This invention discloses a gas meter tooling assembly line device based on the Industrial Internet of Things (IIoT), comprising a support frame, a transmission unit for transporting tooling on the support frame, and a pressing unit and a lifting unit for fixing the tooling to the transmission unit. The lifting unit includes a lifting cylinder and a support plate. The lifting cylinder is fixed to the bottom of the transmission unit, and the support plate is connected to the output shaft of the lifting cylinder. The top of the support plate has a rotating unit and several telescopic units. The rotating unit includes a first air bladder, and the support plate has a cavity communicating with the first air bladder through a conduit. The lifting cylinder can deliver pressurized gas into the cavity. When the telescopic units retract into the support plate, they can block the conduit. This invention can temporarily fix the tooling on the assembly line, and can also detect whether the tooling is skewed and adjust the skewed tooling.

The utility model discloses a rotary valve for gas meter, including gas meter main part, the top of gas meter main part is provided with the air inlet, the surface screw thread connection of air inlet has the air pipe, the surface middle part of air pipe is provided with the valve housing, the surface rotation of valve housing is connected with valve stem, the surface fixed connection of valve stem has the identification mechanism, the lower surface sleeve of valve stem is connected with sealing mechanism. This rotary valve for gas meter, through the setting of identification mechanism, when using, manual rotation valve stem makes the indication arrow of valve stem lower surface setting on the angle plate on the valve housing surface rotation, and the user can observe the position of indication arrow on the angle plate to judge the angle size of valve plate inside valve housing, thereby realizes the effect of accurate regulation gas delivery flow, avoids the problem that " over -adjustment " or " under -adjustment " is easy to appear when adjusting, provides the convenience for the user.

The article relating to the present design is, for example, a mounting device that is attached to a gas meter and used to attach auxiliary equipment such as a communication device or load measuring instrument for the gas meter, as shown in the "Reference Diagram Showing the State of Use".

This invention discloses a combined protective gas meter box, relating to the technical field of gas meter boxes. It includes a gas box with a door connected to its surface via hinges. A sealing bladder is provided on the side of the gas box in contact with the door. A transparent window is provided on the door. A gas pipeline is connected inside the gas box via a fixing assembly. A storage base is provided at the bottom of the gas box, and an operator is installed at the top inside the gas box. A display screen is mounted on the surface of the operator, and a gas delivery assembly is provided on the storage base. This combined protective gas meter box enhances the sealing effect when the door is closed by expanding the sealing bladder. The display screen reads gas meter data and displays the device status, reducing the problems of frequent door opening affecting the internal structure of the gas box, decreasing sealing performance, and allowing external debris to enter, thus improving the stability of equipment operation. The overall structure is simple, reducing installation and maintenance costs.

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 relates to the field of gas metering IoT safety monitoring technology, specifically a gas meter remote monitoring system based on risk assessment. The system includes: a gas meter terminal collecting operational rhythm data and uploading it to a safety management platform; adjusting its operational access status in response to control commands or re-authentication requests issued by the platform; the safety management platform receiving the operational rhythm data and inputting it into a preset federated edge risk assessment model; outputting risk warning information containing quantified threat levels and identifying abnormal communication; generating safety alarms and calculating the cumulative number of safety alarms within a preset time window as a safety alarm fatigue index; determining the system trust environment status based on the index and formulating access control policies to issue control commands or re-authentication requests to the gas meter terminal; this invention enables continuous risk perception and dynamic control in low-power, long-cycle wake-up gas meter networks.

The embodiment of the present application provides a kind of performance test optimization method and system of ultrasonic gas meter, the method comprises: collecting gas meter historical data and carrying out dynamic zero calibration, obtain the time series of the historical flow data after calibration, to construct the probabilistic model of user gas consumption;When the probabilistic model output is non-gas period, obtain the current gas flow, determine whether small leakage occurs based on the stability of gas flow;When the probabilistic model output is gas period, obtain the current gas flow, determine whether the gas flow is greater than the threshold of small leakage, if so, obtain the time domain feature, frequency domain feature and correlation feature of gas flow, and make hierarchical decision based on this, determine whether small leakage occurs;When it is determined that small leakage occurs, send valve closing instruction and be associated to relevant platform and bound user through Internet of Things.

1. Name of the designed product: ultrasonic gas meter. 2. Use of the designed product: for measuring the amount of gas used. 3. Design points of the designed product: in the shape of the product. 4. Picture or photo that best shows the design points: perspective view.