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30 results about "Heat metering" patented technology

Heat Metering. Heat metering systems, also called as thermal energy meters, are typically used in multi-residential buildings to optimally allocate heating costs based on usage. They measure the heat consumption of individual residences by measuring the heated water flow. Measurement data is then transferred wirelessly to the central unit.

Heat exchange amount metering method and controller, heat exchange amount metering system, and storage medium

The embodiment of the application provides a heat exchange quantity metering method and a controller, a heat exchange quantity metering system and a storage medium, and belongs to the technical field of heat exchange. The method comprises the following steps: obtaining the inlet flow of each inlet pipeline and the outlet flow of each outlet pipeline within a starting time to an ending time, and obtaining the inlet temperature at the starting time and the outlet temperature at the ending time; performing heat exchange quantity calculation according to the inlet flow, the inlet temperature, the outlet flow and the outlet temperature to obtain an initial heat exchange quantity; determining a refrigerant enthalpy value change amount according to the inlet temperature and the outlet temperature; determining a target error proportion according to the refrigerant enthalpy value change amount and the initial heat exchange quantity; if the target error proportion is greater than an error proportion threshold, increasing the ending time, and re-performing error calculation to obtain the target error proportion; if the target error proportion is less than or equal to the error proportion threshold, taking the initial heat exchange quantity as a target heat exchange quantity. The embodiment of the application can realize heat exchange quantity metering of a complex pipeline.
Owner:深圳市前海能源科技发展有限公司

Mechanical heat meter (ZYT-RLM)

ActiveCN309961700SHeat measurementMechanical engineering
1. Name of the product in this design: Mechanical Heat Meter (ZYT-RLM). 2. Purpose of this design: for heat measurement. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
Owner:NINGBO ZHIYITONG ENERGY TECH CO LTD

Intelligent prediction method and system for production stock of heat metering and regulation and control equipment

The invention relates to the field of equipment production stock prediction, in particular to an intelligent prediction method and system for production stock of heat metering and regulation and control equipment. According to the method, through multi-source data acquisition and preprocessing, feature engineering construction and hybrid model construction and training, prediction result output and feedback optimization can be carried out, and meanwhile, a corresponding intelligent prediction system is provided and comprises a data acquisition and preprocessing module, a feature construction module, a hybrid prediction module, an output module, a feedback module and the like. The technical effects that the demand quantity of each product category of the heat metering and regulation and control equipment can be accurately predicted, production stock can be reasonably arranged according to the prediction result, and the prediction accuracy can be continuously improved through feedback optimization are achieved.
Owner:HANGZHOU ZHONGPEI ELECTRONICS

Internet of Things temperature and flow monitor

The utility model relates to the technical field of heat metering equipment, in particular to an internet of things temperature flow monitor, which is characterized in that an equipment shell is fixedly connected to a replacement pipe, the replacement pipe is provided with heat metering data acquisition points, and the equipment shell covers the heat metering data acquisition points. According to the utility model, an integrated waterproof design is adopted to eliminate hidden dangers of exposed lines; 4G / NB-IoT wireless communication and NFC near field reading are integrated, and stable data transmission is ensured; by simplifying the structural design, the equipment failure rate is reduced, and the cost is reduced. By optimizing data transmission, all-weather accurate monitoring is achieved, operation and maintenance are rapidly inspected in cooperation with a handheld terminal, the maintenance cost is reduced, the operation and maintenance efficiency is improved, fault equipment can be seamlessly replaced, digital upgrading of a heat supply system is promoted, and economic and social benefits are remarkable.
Owner:JINAN THERMAL CO LTD

A sub-metering and monitoring system and method for a district heating system

The present application relates to the field of heating metering and monitoring system, in particular to a kind of for central heating system's household metering and monitoring system and method, the for central heating system's household metering and monitoring system includes: heating control valve body, install on each heating pipeline, can be opened or closed to the household heating pipeline;Real-time monitoring unit, with the heating control valve body communication, for calculating the heating amount according to the running time of the heating control valve body and the heating area of heating pipeline;Remote control end, can receive the heating amount information sent by the real-time monitoring unit, the remote control end analyzes the heating amount information received, and can send control instruction to the heating control valve body through the console therein, the system is equipped with the console, can provide effective guarantee for the stable operation of the whole system, avoid the loss caused by heat metering function suspension.
Owner:XIAN XINGANG DISTRIBUTED ENERGY CO LTD

Heat supply metering device capable of reducing metering deviation

The utility model relates to the technical field of heat supply metering, and discloses a heat supply metering device capable of reducing metering deviation, which comprises a metering instrument body, a connecting pipeline and a heat supply pipe, one end of the connecting pipeline is fixedly connected with the metering instrument body, and the heat supply pipe is aligned with the connecting pipeline. When the sleeve is connected with the heat supply pipe, the end of the connecting pipeline is close to the end of the heat supply pipe, so that the first sealing ring, the second sealing ring and the third sealing ring conduct multiple sealing on the connecting position of the two pipelines at the same time, after the sleeve is connected with the heat supply pipe, the sleeve can be extruded and positioned through the extrusion sleeve, and the sleeve is prevented from loosening; and a fourth sealing ring on the sleeve can achieve a sealing effect again, and in the equipment, when the metering instrument body is connected with the heat supply pipe through a plurality of sealing rings, a multi-sealing effect is achieved, the problem of deviation of the heat supply metering device is solved, and the heat supply metering device is convenient to disassemble and maintain.
Owner:LIAONING SOBOD ENERGY SAVING TECH DEV

Anti-corrosion and anti-scale ultrasonic heat meter

The utility model relates to the technical field of heat supply metering, and discloses an anti-corrosion and anti-scale ultrasonic heat meter which comprises an ultrasonic heat meter body, a connecting pipe is fixedly installed on the left side wall face of the ultrasonic heat meter body, a filter box is fixedly installed on the left side wall face of the connecting pipe, and a lifting filter mechanism is arranged on the inner wall of the filter box. A water inlet pipe is fixedly mounted on the left side wall surface of the filter box, a water outlet pipe is fixedly mounted on the right side wall surface of the ultrasonic heat meter body, and the lifting filter mechanism comprises a mounting frame. According to the ultrasonic heat meter, impurities are effectively prevented from entering the ultrasonic heat meter body to cause blockage and corrosion, the service life of the ultrasonic heat meter body is prolonged, the metering precision of the ultrasonic heat meter body is improved, lifting of the lifting filtering mechanism can be conveniently controlled through the adjusting knob, the threaded rod and the top cover plate, the filter screen can be conveniently detached, replaced and cleaned, and the filtering effect is guaranteed.
Owner:河北远江仪器仪表科技有限公司

Heat metering system for heat supply pipeline

The utility model relates to the field of heat metering of heat supply pipelines, and discloses a heat metering system of a heat supply pipeline, which comprises a solar panel; the storage battery is electrically connected with the solar panel and is used for storing the electric energy generated by the solar panel; the heat metering instrument is electrically connected with the storage battery and used for metering data of the heat supply pipeline; the control module is electrically connected with the storage battery; the wireless transmission module is electrically connected with the storage battery; the wireless receiving module is wirelessly connected with the wireless transmission module; the monitoring platform is electrically connected with the wireless receiving module; the control module is electrically connected with the heat metering instrument and the wireless transmission module. The solar panel is used for power generation, the storage battery is used for storage, normal use of the heat metering instrument, the control module and the wireless transmission module can be guaranteed under the condition that wiring for mains supply is not needed, heat supply pipeline data of the heat supply pipeline is transmitted to the monitoring platform, construction and arrangement are easy, and the working efficiency is improved. The labor intensity is low, the efficiency is high and the maintenance cost is low.
Owner:SHIJIAZHUANG CEEBIC INSTR

Heat supply metering system

The invention provides a heat supply metering system, and relates to the technical field of intelligent heat supply. The system comprises a plurality of terminal equipment groups, a data concentrator and a cloud platform, wherein each terminal equipment group comprises a room temperature collector and an intelligent valve. The room temperature collector is used for collecting room temperature information in real time, the intelligent valve is used for recording starting information, the data concentrator is used for reporting the room temperature information and the starting information to the cloud platform, and the cloud platform is used for sending the starting information to the target terminal equipment group according to the room temperature information reported by the room temperature collector in the target terminal equipment group and the starting information reported by the intelligent valve. And determining the effective heat consumption duration of a target terminal user to which the target terminal device group belongs in a preset time period, and determining the heat supply charging information of the target terminal user in the preset time period according to the effective heat consumption duration. According to the heat supply metering system, by introducing a multi-dimensional and relevance data acquisition and intelligent analysis mechanism, the problem that the metering result is unreasonable due to the fact that the metering parameter is single is effectively solved.
Owner:HUANENG SONGYUAN THERMAL POWER CO LTD +1

Variable air volume system household heat metering method based on VAV household metering

The invention discloses a variable air volume system household heat metering method based on VAV household metering, which monitors the total power of a central air conditioner room in a BMS, the instant power of a COP and an AHU fan of a central air conditioner system, the air supply temperature, the VAV tail end air supply volume and the indoor temperature in real time, and executes the following steps: 1, calculating the air conditioner refrigerating capacity used by a VAV tail end user i at the moment t; 2, calculating the AHU fan power shared by the user i at the moment t; 3, the central air conditioner room system power shared by the user i at the t moment is calculated; 4, calculating the power consumption of the VAV user j from the moment d to the moment e; and 5, calculating the electricity consumption of the users included in each independent area in the VAV system. According to the invention, the electricity consumption of each independent area (user) in the VAV system can be accurately obtained, and fair and just energy consumption allocation and emission reduction are realized on the basis.
Owner:SHANGHAI GAS ENG DESIGN & RES

Experimental platform for hot steam detection

The invention discloses an experimental platform for hot steam detection, and relates to the technical field of heat metering platforms, and the experimental platform specifically comprises a water purification unit; the pure water pipeline is communicated with the pure water unit; the dosing unit is connected to the pure water pipeline in parallel; the steam generator is communicated with the pure water pipeline, and one end of the air inlet pipeline is communicated with the steam generator; the superheater is communicated with the other end of the gas inlet pipeline; the gas outlet channel is communicated with the superheater; the steam buffer tank is communicated with the air outlet channel; the cooling water tank is communicated with the top of the steam buffer tank; the exhaust channel is communicated with the bottom of the steam buffer tank; the blow-off pipeline is respectively communicated with the steam generator and the superheater; the technical problem that the hot steam supply amount of an existing municipal network cannot be detected is solved.
Owner:JIANGSU ANXIN BOILER

Internet of things temperature flow monitor

1. The name of the design product: Internet of Things temperature flow monitor. 2. The use of the design product: for heating and heat metering. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:JINAN THERMAL CO LTD

Multi-sensor detecting device for light-heat performance of light-transmitting roof and detecting method thereof

The present application belongs to the technical field of building envelope light-thermal performance detection, and specifically relates to a light-transmitting roof light-thermal performance multi-sensor detection device and a detection method thereof. The light-transmitting roof light-thermal performance multi-sensor detection device comprises a heat metering device, a supply-return air system, a supply-return water system, a control system, an external environment simulation device, an external environment box, an artificial light source, a light-transmitting roof test piece installed at the lower side wall of the external environment box, a spraying device comprising a nozzle, a first light source radiation intensity sensor, a second light source radiation intensity sensor and a first illuminance sensor arranged in the external environment box, wherein the first light source radiation intensity sensor is located below the artificial light source and above the nozzle, and the second light source radiation intensity sensor and the first illuminance sensor are located below the nozzle and above the light-transmitting roof test piece. The present application can accurately evaluate the light-thermal performance of the light-transmitting roof under the spraying condition.
Owner:SOUTH CHINA UNIV OF TECH

Implanted device charging heat management method, device and equipment and storage medium

The invention discloses an implanted device charging heat management method, device and equipment and a storage medium. The method comprises the steps that under the condition that it is determined that charging preparation work of the implanted device is completed, a heat metering value sequence of the implanted device is obtained, and a residual heat metering value in a first time period is determined according to the heat metering value sequence; under the condition that the residual heat metering value is larger than the lowest preset threshold value, starting charging and energy supplementing work of the implanted device, determining an accumulated heat metering value of the implanted device in a first time period according to the detected device surface temperature of the implanted device and a preset temperature interval, and determining the accumulated heat metering value of the implanted device in a second time period according to the accumulated heat metering value. According to the accumulated heat metering value and the residual heat metering value, the wireless charging work of the implanted device is subjected to heat management, so that intelligent switching between the accumulated heat metering threshold value and the traditional instantaneous temperature threshold value can be realized, the safety and the charging efficiency are maximized, the charging interruption frequency is reduced, and the total charging time is shortened; therefore, the wireless charging experience of the user is obviously improved.
Owner:SCENERAY

A method for filling in thermal metrology data based on dual-channel generative adversarial networks

This invention pertains to the field of thermal energy management and heating system data processing. It discloses a method for filling in missing data in heat metering data based on a dual-channel generative adversarial network (GAN). The dual-channel GAN ​​design enables multi-dimensional modeling of both heat metering data and auxiliary data simultaneously, significantly improving the accuracy of missing data filling. By combining the data with a GRU generator, the method can better capture the time dimension information in the heat metering data, achieving better generation results. Utilizing external weather and date information as auxiliary inputs, which are then directly input into the generator, is more suitable for capturing complex time dependencies and helps generate filling data that conforms to time logic.
Owner:ZHEJIANG UNIV OF TECH

Light-transmitting roof light-heat performance detection device and detection method thereof under various weather conditions

The present application belongs to the technical field of building envelope light-thermal performance detection, and specifically relates to a light-thermal performance detection device for light-transmitting roof under various meteorological conditions and a detection method thereof. The light-thermal performance detection device for light-transmitting roof under various meteorological conditions comprises a heat metering device, a supply-return air system, a supply-return water system, a control system, an external environment simulation device, an external environment box and an artificial light source. A light-transmitting roof test piece is installed at the lower side wall of the external environment box. The external environment simulation device and a spraying device are used to simulate the environmental conditions under different steady-state meteorological conditions and dynamic meteorological conditions in the spraying condition. The spraying device comprises a nozzle. First light source radiation intensity sensors, second light source radiation intensity sensors and first illuminance sensors are further arranged in the external environment box. The present application can accurately evaluate the light-thermal performance of the light-transmitting roof under the spraying condition.
Owner:SOUTH CHINA UNIV OF TECH

Biomass gas heat metering system

ActiveCN224594289UProcess engineeringFuel gas
The utility model discloses a biomass gas heat metering system, include: main gas pipeline, branch gas pipeline, purification subassembly, calorific value analyzer and controller, be provided with main flowmeter on main gas pipeline, branch gas pipeline with main gas pipeline intercommunication, be provided with the flowmeter before purification and the flowmeter after purification on branch gas pipeline, and the flowmeter before purification and the flowmeter after purification are placed respectively in the gas inlet end and the gas outlet end of branch gas pipeline, purification subassembly is located on branch gas pipeline between the flowmeter before purification and the flowmeter after purification, and purification subassembly is used for purifying the gas in branch gas pipeline, and calorific value analyzer is located in the gas outlet end of branch gas pipeline, and main flowmeter, the flowmeter before purification, the flowmeter after purification, calorific value analyzer all are connected with controller. The heat metering system in the utility model can improve the accuracy and reliability of heat metering.
Owner:BEIJING HUIYU ENERGY CO LTD

A heat metering device suitable for different load rates

The utility model discloses a heat metering device suitable for different load rates, comprising high load rate heat metering device, low load rate heat metering device and large diameter equal diameter tee joint, wherein the high load rate heat metering device comprises large diameter heat meter, large diameter heat supply pipeline A and two large diameter valves A, and the low load rate heat metering device comprises small diameter heat meter, small diameter heat supply pipeline, two variable diameter pipes, two sections of large diameter heat supply pipeline B, two large diameter valves B and two large diameter elbows. The device can be used for heat metering under high load rate and heat metering under low load rate, thereby effectively improving the accuracy of trade settlement.
Owner:NORTH CHINA MUNICIPAL ENG DESIGN & RES INST

A method for determining ablation heat dose based on a magnetic resonance detection signal

The present application relates to the field of tumor ablation, in particular to a kind of ablation heat metering determination method based on nuclear magnetic resonance detection signal, comprising: according to the function relationship of the effective heat conduction coefficient of tissue and relative contrast determined by the multiple sets of temperature data collected by carrying out thermal ablation to tumor model;Relative contrast is determined according to the T1 signal and T2 signal of the tumor tissue and healthy tissue of patient respectively;Heat conduction coefficient is determined according to relative contrast and function relationship;The ablation heat metering required for carrying out tumor thermal ablation to patient is determined according to heat conduction coefficient.
Owner:SHANGHAI JIAOTONG UNIV

Adaptive temperature control heat metering device and its operation method

This application provides an adaptive temperature-controlled heat metering device and its operation method, belonging to the technical field of heating systems. It includes a calculation and control unit, an inlet water pipe, a heat dissipation end, and a return water pipe. Temperature sensors are installed in both the inlet and return water pipes. The regulating valve assembly includes an active valve, a floating regulating chamber, and a passive valve. The floating regulating chamber is divided into regulating chamber one and regulating chamber two by a floating piston, with a regulating spring clamped between the floating piston and regulating chamber two. The inlet end of the active valve is connected to regulating chamber one, and the outlet end is connected to regulating chamber two. The valve core of the passive valve is fixedly linked to the floating piston. Due to the self-balancing effect of the floating piston, the pressure difference across the active valve remains constant regardless of whether the opening of the active valve increases or decreases, preventing whistling noise. The calculation and control unit can obtain the system flow rate value based on the valve orifice area and the aforementioned pressure difference value, and realize heat metering based on the supply and return water temperatures measured by the supply and return water temperature sensors.
Owner:WEIHAI FRESE FLUID CONTROL TECH CO LTD

Heat meter with flow monitoring function

The utility model relates to the technical field of heat meters, in particular to a heat meter with a flow monitoring function, which comprises a turbine flowmeter, two ends of the turbine flowmeter are respectively connected with a water inlet pipe and a water outlet pipe through detachable connection, and a meter body shell is fixed on the turbine flowmeter through detachable connection. A microprocessor electrically connected with a magnetoelectric sensor of the turbine flowmeter is fixed in the meter body shell, ultrasonic flow sensors are fixed on the water inlet pipe and the water outlet pipe, and a temperature sensor is fixed at one end, close to the turbine flowmeter, of each of the water inlet pipe and the water outlet pipe; and the power supply module supplies power to the electric energy meter. The device has the advantages that flow monitoring is carried out in the mode that the turbine flow meter and the ultrasonic flow sensor are combined, the accuracy and reliability of flow measurement are improved, the flow monitoring requirements under various complex working conditions can be met, and a powerful guarantee is provided for accurate heat metering.
Owner:LUOYANG XINAO ENERGY DEV CO LTD

Ultrasonic heat meter (balanced type)

1. Name of the designed product: ultrasonic heat meter (balance type). 2. Use of the designed product: for heat metering. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.
Owner:TIANJIN JINCHAOLIDA TECH CO LTD

Heat metering system

The utility model discloses a heat metering system, which comprises a mounting clamp, a heat metering device and a heat metering device, the clamping plates are arranged on the mounting clamp in an arc shape and used for clamping the two sides of the pipeline; the externally-attached flow sensor is embedded in the middle of the pair of clamping plates and used for being attached to the outer wall of the pipeline. The externally-attached temperature sensors are embedded in the two ends of the pair of clamping plates and used for being attached to the outer wall of the pipeline. The utility model has the following advantages and effects: through the cooperation of the externally attached flow sensor and the externally attached temperature sensor, the convenient measurement of the flow and temperature of the medium in the pipeline is realized, so that the accurate metering and real-time metering of the heat energy can be realized under the conditions of not damaging the pipeline, not stopping and not interfering the heat energy flow.
Owner:CIMC FRESH & COLD CHAIN TECH HEBEI CO LTD

Household heat metering method for multi-split air conditioning system

The invention discloses a household heat metering method for a multi-split system. The household heat metering method comprises the following steps that 1, the total power of the multi-split system is determined; 2, calculating the total power consumption of the multi-split system; 3, determining a power influence coefficient of each indoor unit; 4, evaluating the basic power distribution of each indoor unit of the multi-split air conditioning system in a non-working state; 5, calculating the power of the outdoor unit distributed by each running indoor unit; 6, the actual power of each indoor unit in the working state is determined; and 7, calculating the energy consumption of each indoor unit. The method solves the problems that in household metering of an existing multi-split air conditioning system, fairness is insufficient, metering precision is limited, and actual energy consumption of all users cannot be truly reflected.
Owner:SHANGHAI GAS ENG DESIGN & RES

Modularized heat metering structure

The utility model discloses a modularized heat metering structure, which comprises a communicating pipe seat, a mounting module and a measuring module, the communicating pipe seat is provided with a flow channel and a communicating hole which are communicated with each other, the mounting module comprises a mounting seat, the mounting seat is mounted on a mounting part of the communicating pipe seat, a separator is arranged in a mounting hole of the mounting seat, and the measuring module is arranged on the mounting seat. Plugging blocks are symmetrically arranged on the separator in a sliding manner, the plugging blocks abut against each other in a default state to plug the loading hole, the measuring module comprises a meter, the meter is mounted on the mounting seat so that the detection end of the meter abuts against the plugging blocks to relatively slide away from the plugging blocks, and the detection end extends into the communicating hole through the loading hole. According to the modularized heat metering structure provided by the utility model, the mounting module is arranged on the communicating pipe seat, and the measuring module and the mounting module can be detachably mounted and arranged, so that if the meter is damaged, the meter can be dismounted and replaced without stopping the flow of the medium liquid in the communicating pipe seat, and the mounting module and the measuring module are not required to be replaced. And rapid dismounting and actual maintenance of the meter are facilitated.
Owner:YINGZE NO 2 HEATING BRANCH OF TAIYUAN HEATING GRP CO LTD

Intelligent self-balancing ultrasonic heat meter and control system

The invention discloses an intelligent self-balancing ultrasonic heat meter and a control system, and relates to the technical field of central heating, building air conditioner metering and hydraulic balance regulation, the intelligent self-balancing ultrasonic heat meter comprises an intelligent integral controller, one end of the intelligent integral controller is fixedly provided with an actuator, and one side surface of the actuator is fixedly provided with a self-operated balance valve. According to the invention, a meter-valve integrated design is adopted, and the ultrasonic flow sensor, the paired temperature sensor, the self-operated balance valve and the intelligent integral controller are integrated in one shell, so that the system structure is obviously simplified, and complex pipeline arrangement, extra control circuit and box body requirements caused by separation of a heat meter and a hydraulic balance valve in a traditional scheme are reduced; the installation operation is more convenient and efficient, deployment of heat metering and flow adjusting functions can be completed only through one-time installation, the installation cost and the construction difficulty are reduced, and meanwhile the fault risk possibly caused by too many connecting points is reduced.
Owner:CANGZHOU BOHAI CHUANGXIN IOT TECHNOLOGY CO LTD

Household heat metering method based on fan coil

The invention discloses a household heat metering method based on a fan coil. The household heat metering method comprises the following steps that 1, the power PCPU, t of a central air conditioner at the t moment and the fresh air volume mi, t of an indoor unit at the t moment are obtained; 2, the total electricity utilization power Pto, t of the central air conditioner at the t moment is calculated; 3, calculating the power consumption Et, d-e of the central air conditioner from the moment d to the moment e; 4, calculating the power coefficient Fi, t of the ith indoor unit at the moment t; 5, calculating the power Pin, un, i and t of the ith indoor unit at the moment t under the condition that the corresponding fan coil does not work; 6, the fresh air power POA, un, i, t of the ith indoor unit at the moment t is calculated; 7, calculating the power Pin, occ, i, t distributed to the outdoor unit at the t moment in the ith indoor unit; 8, calculating the energy consumption Ein, h, k-> l of the hth indoor unit from the moment k to the moment l; 9, sharing the shared energy consumption to obtain converted energy consumption; and 10, counting the indoor units of all the independent areas, and then superposing the corresponding converted energy consumption. According to the invention, fair, just and accurate household metering can be realized.
Owner:SHANGHAI GAS ENG DESIGN & RES

Heat supply charging and heat metering data credible management method based on block chain

The invention discloses a heat supply charging and heat metering data credible management method based on a block chain, and the method comprises the following steps: S1, constructing a hierarchical system architecture which comprises a metering layer, an edge layer, a block chain layer and an application layer; s2, deploying an intelligent heat meter with a digital signature function in a metering layer, collecting heat data and signing; s3, collecting and verifying heat data through a data concentrator at an edge layer, packaging the heat data into transaction data and signing the transaction data; s4, performing uplink storage on the transaction data in a block chain layer through an alliance chain network consensus mechanism; and S5, providing data query, cost calculation and audit tracing services in an application layer. The heat metering data is stored in a distributed mode through the block chain technology, the digital signature and the Merkle tree structure are combined, it is ensured that the data are tampered-proof in the whole process from collection, transmission to storage, any party cannot modify the data independently, and the credibility and transparency of the data are improved.
Owner:HUANENG POWER INT INC DALIAN POWER PLANT

External heat consumption metering device for heat supply pipe network

The utility model discloses an external heat consumption metering device for a heat supply pipe network, which belongs to the technical field of heat metering and comprises a top mounting block positioned on the heat supply pipe network, two connecting arms are rotationally mounted on two sides of the top mounting block, torsional springs are mounted at rotational joints of the two connecting arms, and the torsional springs are connected with the top mounting block. One end of each of the two connecting arms is rotatably provided with an ultrasonic converter, the two ultrasonic converters are respectively positioned on the heat-supply pipe network and can measure and detect the flow of the heat-supply pipe network, and the two connecting arms can be conveniently rotated and adjusted during installation, so that the distance between the two ultrasonic converters can be flexibly changed, and the flow of the heat-supply pipe network can be measured and detected. The ultrasonic transducer is mounted on the heat-supply pipe network, then the ultrasonic transducer is directly attached to the heat-supply pipe network, mounting can be completed only through single binding of the binding band, and due to the fact that the torsional spring always provides resilience force for the two connecting arms, the bottoms of the two ultrasonic transducers can be attached to the heat-supply pipe network more firmly under the combined action of the torsional spring and the binding band.
Owner:NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG