74 results about "Heat meter" patented technology

The invention relates to the technical field of heat meter performance test and operation and maintenance management, in particular to a heat supply working condition multi-source parameter real-time acquisition heat meter performance intelligent analysis system, which comprises a working condition simulation subsystem, a multi-source parameter real-time acquisition module, an intelligent analysis engine and data management and visual interaction interface, and a digital twinning virtual calibration module. Multi-dimensional variable working conditions are constructed through the working condition simulation subsystem, the acquisition module realizes high-precision synchronous acquisition, the intelligent analysis engine integrates multiple algorithms to complete data fusion, performance prediction, health degree evaluation and fault early warning, and the data management module realizes whole-process closed-loop management. The heat meter test accuracy and the working condition coverage are improved, intelligent analysis and accurate calibration are achieved, the operation and maintenance cost is reduced, and stable and efficient operation of a heat supply system is guaranteed.

The invention provides a building external window solar heat gain coefficient detection device and a control method thereof. According to the device, a detection chamber is divided into an outdoor environment simulation chamber and a heat metering box environment chamber through a partition wall. And a test piece frame for arranging a tested piece is arranged on the partition wall body. A heat metering box, a cooling circulation system and a data acquisition device are arranged in the heat metering box environment chamber. The heat metering box is provided with an opening located at the test piece frame so as to receive simulation radiation of the outdoor environment simulation chamber penetrating through the tested piece. The detection work of the solar heat gain coefficient of the external window of the building is not influenced by natural conditions such as weather, and the test efficiency is improved. Furthermore, a channel flat pipe and a constant-temperature water bath device in the cooling circulation system are matched with each other, it is guaranteed that the temperature in the environment chamber of the heat metering box is kept stable, and the stability and accuracy of detection data are improved while the structure of the device is simplified.

The invention relates to the technical field of data processing, in particular to a heat supply data monitoring system based on artificial intelligence. The system comprises a return water temperature prediction module, a deviation monitoring module, a thermal load analysis module, a first pipe network state monitoring module, a second pipe network state monitoring module and a parameter correction module. An expected return water temperature target value is calculated, and a deviation monitoring module captures the difference between an actual operation state and a theoretical value based on a heat balance principle; the thermal load analysis module accurately draws a system total load curve through data of a user side intelligent heat meter, when the system is abnormal, fault sources can be intelligently distinguished, whether set parameters are misaligned or not is judged according to a thermal inertia mechanism by recognizing near-end overheating and tail-end underheating, hydraulic instability and physical blockage are accurately positioned, and the system reliability is improved. Meanwhile, self-adaptive optimization of set parameters is achieved, the accuracy and timeliness of fault diagnosis of the heat supply system are improved, and stable and efficient operation of the heat supply system is effectively guaranteed.

The invention relates to the technical field of artificial intelligence, and discloses a heat meter energy consumption behavior abnormity identification method based on a graph neural network, and the method comprises the steps: carrying out the collection and preprocessing of multi-dimensional data; constructing a three-dimensional unified representation model comprising a graph topology encoder, a time domain sequence encoder and a frequency domain feature encoder; a time-frequency joint attention mechanism is realized, and tiny abnormal sensitivity and anti-noise stability are dynamically balanced; constructing a hierarchical self-encoding network, and calculating a reconstruction error on a plurality of abstract hierarchies; calculating an anomaly score based on the reconstruction error distribution characteristics in the unified representation space, and generating an anomaly interpretation report; and optimizing and deploying the model. According to the method, time domain, frequency domain and graph domain information are organically fused, and the detection accuracy rate reaches 95% or above; tiny abnormal signals can be captured, and the abnormal early warning time is advanced to 15-20 days; the false alarm rate is controlled below 3% while high detection sensitivity is maintained; the parameter quantity is reduced by 40%, the calculation complexity is reduced by 58%, and the system maintenance cost is greatly reduced.

The invention discloses a heat adjusting system and an adjusting method of a dynamic balance type intelligent heat meter, relates to the technical field of heat adjusting systems, and aims to solve the technical problem that an existing heat adjusting system is generally insufficient in dynamic balance ability. Comprising a temperature sensor, a flow sensor and a timing device and is used for collecting historical data of temperature, flow and use time of a user side and real-time operation parameters of a heat supply pipe network in real time, and the real-time operation parameters comprise water supply temperature, water return temperature and pipe network pressure; and the central processing unit is in communication connection with the data acquisition module, receives and stores the historical data and the real-time operation parameters and forms a historical database, the central processing unit integrates a dynamic balance algorithm, and the algorithm analyzes and predicts the heat demand of each user side in real time based on the historical data and the real-time operation parameters. The method has the advantage that the dynamic balance capacity of the heat supply pipe network is improved.

The invention relates to the technical field of heat supply system remote monitoring, and discloses an intelligent heat meter remote data acquisition method based on edge calculation. The method comprises the following four steps: constructing a user-device double-causal network model, realizing an anomaly detection and attribution mechanism based on causal reasoning, developing an interpretable anomaly report generation system and realizing a predictive maintenance suggestion system. By constructing the double-causal network reflecting the causal relationship between the user behavior and the system physical state, accurate attribution of abnormal data is realized, user behavior changes and equipment faults can be accurately distinguished, the diagnosis accuracy is improved, the false alarm rate is reduced, and the user experience is improved. The system is particularly suitable for remote monitoring and maintenance management of heat supply systems of large residential districts, commercial buildings and industrial districts and remote or difficult-to-reach heat supply stations.

Fluid meter, namely heat quantity meter (1) for recording the quantity of cold and / or heat of a fluid, for installation in a supply line (20) or return line (21) of a fluid piping system, comprising - a connection housing (2), - a measuring arrangement for determining flow rates, - a control and evaluation unit (3) as well as - a first temperature sensor (4) which is intended for installation in the flow line (20) and is intended there for determining the temperature in the flow line (20), - a second temperature sensor (5), which is intended for installation in the return line (21) and is intended there for determining the temperature in the return line (21), - wherein a means for determining the temperature of the connection housing (2) of the fluid meter is provided, - wherein a temperature difference between the temperature of the connection housing (2) of the fluid meter and at least one of the temperatures of the first (4) and second temperature sensor (5) can be determined, wherein the control and evaluation unit (3) determines, on the basis of the determined temperature difference between the temperature of the fluid meter and at least one of the temperatures of the first and second temperature sensors (4, 5), which of the temperature sensors (4, 5) is installed in the supply line (20) or return line (21), wherein the measuring arrangement for determining the flow rate is provided as a means for determining the temperature of the connection housing (2) of the fluid meter, where the temperature sensors (4, 5) are automatically assigned to the flow (20) or return (21), wherein the temperature of the connection housing (2) of the fluid meter is determined on the basis of a temperature-dependent transit time of an ultrasonic signal in the fluid, and wherein a look-up table is provided in which the transit times of the ultrasonic signal in the fluid are stored as a function of the corresponding temperature of the fluid and / or the connection housing (2) of the fluid meter and the temperature to be determined of the connection housing (2) of the fluid meter can be derived from the transit time of the ultrasonic signal and the look-up table.

The application discloses a heat meter online fault diagnosis method and system, and relates to the technical field of energy metering.The system runs, real-time data collection and preprocessing are realized through integrated sensor groups, key features are extracted to form a feature vector FVEC, and an online anomaly detection algorithm and a fault type judgment model are used to accurately calculate an anomaly detection index AS and a fault feature probability index TYP.These data can not only reflect the health status of the system in real time, but also further optimize the response strategy and fault judgment by executing an iteration module, so that the system has the ability of self-diagnosis and adaptive adjustment.This optimization process can effectively solve the problem that the traditional heat meter system cannot realize online real-time processing and fault detection, improve the accuracy and response speed of fault identification, avoid equipment damage or energy waste caused by delayed detection, and further ensure the continuous and stable operation of the system.

The invention relates to a graphene-based energy source used in heat meters located in independently heated or cooled spaces, where a graphene-based nano-composite is utilized instead of a battery. It generates electrical energy by leveraging the temperature difference between the heating water flowing through the meter and the ambient temperature, using the Seebeck effect of thermoelectricity. This innovation eliminates the need for batteries in heat meters by transforming the meter itself into a source of energy.

The utility model relates to the technical field of heat meters, and discloses an anti-blocking heat meter, which comprises a meter body, a data display is fixedly assembled on the top of the meter body, a first filter bin and a second filter bin are arranged on the right side of the meter body, a first filter element and a second filter element are respectively arranged in an inner cavity of the first filter bin and an inner cavity of the second filter bin, and the first filter element and the second filter element are connected through a pipeline. The first filtering bin communicates with the interior of the meter body through a first connecting pipe, the second filtering bin communicates with the first connecting pipe through a second connecting pipe, and a water outlet pipe penetrates through an inner cavity of the meter body. Through the arrangement of the first filtering bin, the second filtering bin, the first valve, the second valve and the one-way valve, the first centering filter element is replaced by closing the first valve, water flows into the meter body through the second filtering bin, and the one-way valve prevents the water from entering the first filtering bin; therefore, the problem that the heat meter cannot work during maintenance due to the fact that operation can be carried out only when the main valve is closed when the filter element of the existing heat meter is replaced is solved.

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.

The utility model relates to a heat meter with water loss prevention and alarm functions, and belongs to the technical field of heat meters. Which comprises a microcontroller, an ultrasonic sensor, a temperature sensor, an analog-to-digital converter, a power supply module, a communication interface circuit and a display screen, and is characterized in that a liquid level sensor and an alarm circuit module are connected to corresponding pins of the microcontroller. The ultrasonic heat meter has the advantages that the ultrasonic heat meter not only has all functions of an existing ultrasonic heat meter, but also monitors the water level in a pipeline in real time through the liquid level sensor, and when the water level is lower than a preset value, the electric adjusting valve installed on the water inlet pipe is automatically closed, so that water loss of the system is automatically prevented; when an abnormal condition of water loss or overtemperature of the system is detected, a buzzer and an LED indicating lamp in the alarm circuit module send an alarm signal to remind a user of timely processing, and the microcontroller sends the abnormal condition to a far-end monitoring center through the communication interface circuit at the same time.

The utility model provides a stand column type column base meter of a quick-release heat meter, and belongs to the technical field of pipeline fittings. The stand column type base meter solves the problems that an existing base meter is prone to loosening and difficult to disassemble and assemble, and comprises a base meter body provided with a water outlet end and a water inlet end, the water outlet end and the water inlet end are each provided with a connecting pipe assembly, each connecting pipe assembly is provided with two symmetrically-arranged installation shells, and one side of each installation shell is provided with a hinge structure. One side of the mounting shell is provided with two half-section screws, the other side of the mounting shell is provided with the half-section screws, the two half-section screws are oppositely and obliquely arranged, each half-section screw is provided with a locking nut, the side wall of each locking nut is uniformly provided with a plurality of through holes, and each through hole is internally provided with a limiting rod.

The invention provides a heat supply management system which comprises a terminal layer, a data concentration layer and a cloud platform, the terminal layer is provided with an intelligent heat meter, an intelligent temperature controller and a behavior reporting terminal, and the cloud platform is provided with a data access module and a data processing module. According to the heat supply management system, processing of multi-source data is achieved, dynamic adjustment of the heat price along with the cost and meteorological fluctuation is achieved, association of the energy-saving behavior of the user and the heat supply cost can be achieved, then the energy-saving behavior of the user is guided, and the multi-dimensional requirement is met.

The utility model discloses a central heating energy station in northern areas, which belongs to the field of heating energy systems and comprises a valve body and an ACS air source heat pump unit group. The ACS air source heat pump unit group is communicated with a Heat electric heater and a WM flowmeter through a pipeline; the Heat electric heater is communicated with the EST energy storage tank through a pipeline, and the Heat electric heater is further sequentially communicated with a DV1 conversion valve group, a heat meter HM and a V1 tail end water supply hand valve through pipelines; the WCS water source heat pump is communicated with an EST energy storage tank through a pipeline, and an evaporator of the WCS water source heat pump is further communicated with a WM flowmeter through an ASCP source side circulating pump and an SV2 check valve in sequence. The utility model aims to solve the problems of stable heat supply during concentrated defrosting of air sources in high-humidity weather and capability attenuation of compensating air sources at night in low-temperature weather.

The utility model discloses a novel Internet of Things ultrasonic heat meter, which comprises a measuring tube, a connecting seat is arranged in the middle of the upper side of the measuring tube, cavities are formed in the inner walls of the two sides of the connecting seat, clamping assemblies are arranged in the cavities, a threaded seat is embedded in one side of each cavity, one side of each threaded seat is in threaded connection with a fastening bolt, and the other side of each threaded seat is in threaded connection with the fastening bolt. One side of the fastening bolt is tightly attached to the clamping assembly, the upper side of the connecting seat is provided with an opening, a connecting block is inserted into the opening, the upper side of the connecting block is provided with a heat meter main body, and the front side of the heat meter main body is provided with an intelligent control module. According to the technical scheme, the upper side of the measuring tube is provided with the connecting seat, and the connecting seat is matched with the connecting block, the fastening bolt and the clamping assembly, so that the heat meter main body can be rapidly and conveniently installed, the number of ultrasonic heat meters is reduced, and the working efficiency of workers is improved.

The invention provides a shallow coaxial well heat absorption and discharge heat exchange test device, which relates to the technical field of geothermal energy resource exploration equipment, and comprises a heat preservation water tank, a water outlet of the heat preservation water tank is connected with a coaxial well water inlet through a circulating pump, a heat meter and a coaxial well water inlet temperature sensor, and the coaxial well water outlet is connected with an electric heater. A water outlet of the electric heater is connected with a second quick connector, an electric heater outlet water temperature sensor is arranged between the water outlet of the electric heater and the second quick connector, and a first quick connector is arranged at a water inlet of the heat preservation water tank; under the winter heat absorption working condition, an air source heat pump and an air source heat pump outlet water temperature sensor at a water outlet of the air source heat pump are connected between the first quick connector and the second quick connector; under the summer heat removal working condition, the first quick connector and the second quick connector are connected with the corrugated pipe; the electric heater outlet water temperature sensor, the air source heat pump outlet water temperature sensor and the heat meter are all connected with the control detection cabinet. Two working conditions of heat absorption in winter and heat extraction in summer are accurately simulated through one set of device.

The utility model discloses a calorimeter concentrator with an NFC function, which relates to the technical field of intelligent metering instruments and comprises a shell, a display screen, keys and an NFC communication module are mounted on the shell, a control unit is arranged in the shell, and the display screen, the keys and the NFC communication module are all electrically connected with the control unit. The heat meter concentrator with the NFC function solves the technical problems that a heat meter concentrator in the prior art is low in data reading efficiency, not convenient enough and the like, and the heat meter concentrator with the NFC function is convenient and fast in data reading, high in reading efficiency, high in reliability and high in reliability. And meanwhile, the functions of parameter setting, user authentication, data encryption, real-time feedback and the like can be conveniently and rapidly carried out through the mobile equipment.

The novel ultrasonic heat meter pressure-resistant shell comprises a pipeline, a first shell body and a second shell body are arranged on the front side and the rear side of the pipeline respectively, arc-shaped open grooves matched with the pipeline in diameter are formed in the inner side of the first shell body and the inner side of the second shell body respectively, and a top cover is rotationally connected to the upper side of a first opening. The utility model relates to the technical field of ultrasonic heat meters, and has the beneficial effects that according to the technical scheme, the first shell and the second shell which are detachable are arranged on the outer side of the pipeline and are matched through a plurality of groups of connecting assemblies, so that the first shell and the second shell can be quickly connected and fixed on the outer side of the pipeline; meanwhile, the upper side of the first housing is provided with the movable top cover, thereby facilitating the subsequent maintenance and other operations of the ultrasonic heat meter.

The invention discloses a situation awareness method, device and equipment for an ultrasonic heat (cold) scale and a medium. According to the method, time difference type ultrasonic arrival time signals, echo envelope signals, volume flow signals, inlet and outlet temperature signals and the like are collected; after pretreatment, physical property situations (proportion, gas content, viscosity, Pr and specific heat consistency), flow situations (Reynolds number and water hammer / pulsation voiceprint), heat exchange situations (thermal load density, thermal shock index, delta T-Q decoupling and Pr thermal diffusion) and interference situations (cavitation risk, local blockage and voiceprint dispersion) are calculated, and standardized scoring and threshold early warning are carried out on each index. According to the scheme, online identification of medium physical property evolution, flow stability, heat exchange capability and interference risk can be realized without newly adding hardware, and the method is suitable for data center liquid cooling, building HVAC and other scenes.

The utility model discloses a kind of multi-channel ultrasonic heat meters, the utility model relates to heat meter technical field, including installation pipe, further include: filter structure, the filter structure is set to one side of installation pipe, for preventing the impurities carried in the fluid flowing, the influence caused to multi-channel ultrasonic heat meter body measurement, protective structure, set to the outer wall of installation pipe, for the external protection of multi-channel ultrasonic heat meter body, the filter structure includes threaded filter cartridge, the threaded filter cartridge is set to one side of installation pipe, this multi-channel ultrasonic heat meter is provided with filter structure, by connecting cylinder cover through thread cover and threaded filter cartridge thread connection, it is convenient to disassemble and assemble to clean or replace filter component, connecting frame and rubber plug enhance the sealing and connection stability, screw hole frame can be fixed with flange mounting disc by bolt, ensure that filter structure installation firm, make filtration process stable and reliable, effectively intercept impurities, guarantee heat meter measurement accuracy.

The utility model discloses a socket type heat-resistant polyethylene filter and ultrasonic heat meter base meter integrated pipe section, and relates to the technical field of filters and ultrasonic heat meters. Comprising a tubular shell, two first positioning holes communicated with the interior of the shell are formed in the shell in a spaced mode, a temperature sensor is further arranged on one side, corresponding to one first positioning hole, of the shell, and a reflection column is arranged at the position, corresponding to the first positioning hole, in the shell; the shell is made of a heat-resistant and corrosion-resistant material; a filter is arranged on a shell pipeline at the front end of the upstream first positioning hole; the filter comprises a tubular filter shell, one end of the filter shell is connected to the bottom of the shell, a certain angle is formed between the axial direction of the filter shell and the axial direction of the shell, a filter screen is arranged in the filter shell, an annular filter insert is arranged on the inner side wall of the end, away from the shell, of the filter shell, and a plug is inserted into the inner wall of the annular filter insert. And the plug is detachably connected with the annular filter insert.

The utility model discloses a full-automatic heat meter flow calibrating device which comprises a calibrating box body, the lower end of one side of the calibrating box body is connected with the input end of a conveying pump through a mounting pipeline, a processing mechanism is arranged on the mounting pipeline, and a calibrating pipeline is arranged on one side of the calibrating box body. The verification pipeline is of a concentric-square-shaped pipeline structure composed of a first verification pipe and a second verification pipe, the verification pipeline is provided with a verification mechanism, one end of the verification pipeline is provided with a first connecting pipe, the other end of the verification pipeline is connected with the verification box through a second connecting pipe, and the end, close to the first connecting pipe, of the installation pipeline is provided with an assembling mechanism. A heat meter body is arranged between the mounting pipeline and the first connecting pipe through an assembling mechanism, and a valve is arranged at the end, close to the verification box body, of the mounting pipeline. By arranging a series of structures, double-pipeline double-flow verification of the heat meter is realized, verification has contrast, verification is accurate, locking, clamping, sealing and assembling of the heat meter are realized, and the heat meter is convenient to disassemble and assemble during verification.

The present invention discloses a repeater and an extended meter reading method for accessing a heat meter collector MBUS bus, and relates to the technical field of heat data acquisition of a residential building heat supply system, the repeater comprises: a repeater, which comprises an MBUS slave interface as an uplink interface and an MBUS master interface as a downlink interface, and is accessed to the MBUS bus through the interfaces; the independent power supply module is used for supplying power to the repeater and the downlink MBUS connected with the repeater; the data storage module is used for pre-storing the meter number and brand information of the newly-added heat meter mounted on the repeater and the corresponding communication current change characteristics and communication data formats of the newly-added heat meter; and the signal processing module is used for monitoring the level change of the uplink MBUS, copying a level signal to the downlink MBUS, monitoring the current change of the downlink MBUS, matching a corresponding communication data format, and carrying out data analysis and forwarding. According to the invention, centralized meter reading of multi-unit / multi-building heat meters can be realized.

1. The name of the design product: ultrasonic meter pipe section (four sound path diameter). 2. The use of the design product: used for matching ultrasonic water meter and ultrasonic heat meter, optimizing the flow state in the pipe to accurately measure the flow, and protecting the sensor probe. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model discloses a heat meter capable of sealing cover protection, and specifically relates to the heat meter technology field, the heat meter comprises a heat meter body, one side surface of the heat meter body is provided with a plugging port, the internal part of the plugging port is connected with a connecting line, the top part of the heat meter body is provided with a sealing cover protection mechanism, and the sealing cover protection mechanism is connected with the connecting line. A rotating mechanism is arranged on one side of the heat meter body; the sealing cover protection mechanism comprises a protection cover which is installed on the top of the heat meter body. The sealing cover mechanism and the wiring protection mechanism are arranged, the fixing nut and the rotating rod are connected to extrude the sealing rubber ring, the sealing effect is improved, it is avoided that heat dissipation is affected or internal elements are short-circuited due to dust accumulation, and meanwhile it is avoided that due to damp, electronic elements are damaged and corroded, and the measurement precision is reduced; the connection part of the connecting line and the through groove is sealed and protected, thereby preventing the connecting line from loosening, and further preventing dust and water from entering the heat meter from the plugging port.

The invention relates to the field of building energy conservation and environmental protection, in particular to a building heat supply energy consumption detection system and an energy conservation grade evaluation method. The system is composed of a building heat meter or a household heat meter, a room temperature controller, an outdoor air temperature collector, an electric valve and a computing center, and data are collected and transmitted through NB wireless remote communication. Based on a unique temperature difference heat index calculation method, a building energy consumption heat index, a temperature difference load rate and converted design temperature difference heat consumption are calculated by integrating various factors, and then the energy-saving grade is determined by comparing with local non-energy-saving building design parameters. According to the invention, energy consumption can be dynamically monitored in the heating season, and instance verification is provided for building energy-saving design; help is provided for energy-saving operation of hot enterprises; and an accurate and effective scientific basis is provided for national evaluation of the building energy-saving grade.

The utility model relates to the technical field of heat supply metering, and discloses a flow stabilization and scale inhibition type ultrasonic heat meter which comprises a flow stabilization assembly, a sealing cover is movably installed on the right side wall face of the flow stabilization assembly, the flow stabilization assembly and the scale inhibition assembly are arranged, flow stabilization and scale inhibition treatment can be effectively carried out on water flow entering an ultrasonic heat meter body, and the heat supply efficiency is improved. A water inlet bent pipe in the flow stabilizing assembly and an inclined baffle plate on the inner wall of the water inlet bent pipe are designed, so that the water flow speed can be slowed down, the generation of vortexes is reduced, the water flow is more stable, and the problems of sediment bonding and scaling caused by the vortexes are avoided; according to the ultrasonic heat meter, impurities, particles and harmful substances in water can be filtered and adsorbed step by step, scaling and corrosion are further prevented, the metering precision of the ultrasonic heat meter is improved, the service life of the ultrasonic heat meter is prolonged, the maintenance cost is reduced, and the ultrasonic heat meter has remarkable economic and social benefits.

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.

The application is suitable for the field of heating technology, and provides a method and system for on-demand heating, which comprises the following steps: dividing charging units into first charging units and second charging units; the heat transferred between the first charging units does not affect the indoor temperature of each first charging unit; the heat transferred between the second charging units affects the indoor temperature of each second charging unit; for the first charging units, installing a heat meter and an intelligent flow control valve at the entrance of each first charging unit, and performing heating based on the flow uploaded to the cloud platform by the intelligent flow control valve, and charging based on the heat displayed by the heat meter; for the second charging units, installing an intelligent flow control valve at the entrance of each household of the second charging units, and performing heating based on the flow uploaded to the cloud platform by the intelligent flow control valve, and charging based on the required temperature in the household. The application can provide a method for on-demand heating, implement on-demand heating and charge for heating, and promote the behavior of energy saving of the household.