294 results about "Heat metering" patented technology

The invention provides a heating system heat metering and heat energy-saving control method and a special device thereof. The method comprises the following steps of: calculating heat exchange quantity according to the water inlet and outlet temperature and the flow of a heat supply network pipeline through a controller, wherein the heat exchange quantity is used for metering building heat and serves as the basis of building heating charge; setting an initial target temperature value through the controller, correcting the initial target temperature value in real time according to outdoor environmental temperature, building load characteristics, indoor temperature and energy-saving control strategy so as to obtain a real-time target temperature value, and arranging at least one secondary heat supply network temperature sensor on a water supply and return pipeline of a secondary heat supply network pipeline; comparing the temperature value acquired by the secondary heat supply network temperature sensor with the real-time target temperature value, and correcting. The heat is regulated and controlled when the heat is metered. Therefore, the heat supply is regulated according to the building heating load, and the heating energy consumption and cost are reduced.

The invention discloses a heating metering control system which comprises a temperature control unit for setting heating temperature; a metering control unit for controlling a valve of a heat energy pipeline according to the temperature set by the temperature control unit; the valve of a heating pipeline for controlling hot water to flow into users; a data collection unit for receiving heating data of all the users; and a monitoring and metering unit for monitoring heating status of all the users and metering heating heat and charging, wherein the temperature of inlet water and the temperature of return water are obtained, and the obtained heating data of the users is sent to the data collection unit. The invention further provides a heating metering control method which comprises the steps of controlling the opening or the closing of the valve of the heat energy pipeline according to the set temperature; obtaining the temperature of the inlet water, the temperature of the return water and the opening time of the valve of the heating users; and metering the heating heat and charging according to the starting time of the valve and the difference between the temperature of the inlet water and the temperature of the return water. The users can set the room temperature and realize the use on demand and the charge according to the quantity according to the invention, thereby not only being applicable to the user demands, but also achieving the energy-saving purpose.

The invention relates to a temperature area method based heat metering allocation device, which is characterized by comprising indoor temperature acquisition devices, a heat meter for metering the heat consumed by each building, a building manager and a data calculation central computer, and the indoor temperature acquisition device is arranged in each house or each room; the installation positions of the indoor temperature acquisition devices of users of the same house type in the same building have the same height, and the indoor temperature acquisition devices are in signal connection with the building manager wirelessly or wiredly; and the building manager arranged in each building is used for receiving user room temperature data sent by the indoor temperature acquisition devices and heat data uploaded by the heat meter for metering the heat consumed by each building and transmitting the data to the data calculation central computer through a mobile communication network. The provided method is scientific and reasonable, and the heat charge paid by the user is calculated by the temperature data of each user and the heat data of each building as well as the area of the user.

The invention discloses a heat metering information application service management platform on the basis of an internet of things for the heat supply industry. The heat metering information application service management platform comprises an application layer, a service layer, a network layer and a device layer; signals are transmitted among the application layer, the service layer and the device layer via the network layer; the application layer comprises a heat metering information application service management system; the service layer comprises a heat charging server, a cloud computing server and a heat supply system monitoring server; the network layer comprises a wired internet and/or a wireless internet; the device layer comprises gateways and terminal devices, the terminal devices are connected with the wired internet and/or the wireless internet by the gateways and include household heat meters, a pipe network temperature sensor, a pipe network flow meter, a pipe network pressure meter, a pipe network control valve and heat supply devices, the household heat meters are arranged at user terminals, the pipe network temperature sensor, the pipe network flow meter, the pipe network pressure meter and the pipe network control valve are arranged in a heat transfer pipe network, and the heat supply devices are arranged at heat supply stations; each terminal device has a unique address code. The heat metering information application service management platform has the advantages that running states of the heat meters can be counted and monitored, heat supply conditions can be analyzed, and management and information services can be provided.

The invention discloses a smart heating control system and method based on artificial intelligence and big data of the Internet of Things. The smart heating control system based on the artificial intelligence and the big data of the Internet of Things includes heat metering and regulating units located in rooms of the user ends, a clean energy Internet-of-Things monitoring cloud platform connectedwith heat and power plants, heat exchange stations and the user ends in all places and a display unit connected with a mobile phone terminal and a computer terminal of a centralized control system through wireless communication. Temperature information of the end users can be collected and analyzed, and the industry traditional manner of adjusting the heating temperature through experience is changed, the overall degree of intelligence is improved, the real-time temperature needs of the users are clarified, intelligent control over the entire heating system and intelligent visual management and regulation work of government heating offices and heating companies are realized, and the conditions that constant complaints happen if the heating room temperature for the end users is too low andenergy waste is serious due to the fact that the comfort is poor and windows are opened for discharging hot air if the heating room temperature is too high are avoided.

The specific heat of working fluids used in commercial heating systems commonly change with temperature and composition. Conventional heat metering systems assume a fixed value of the specific heat at a nominal temperature. This source of inaccuracy is removed by measuring the specific heat of a working fluid as a heating system operates and using the currently measured value in calculating the heat transferred. The real time specific heat measurement may be made by using a specific heat sensor having either a resistive heating element or a thermoelectric module.

The invention provides a cold and heat metering control and cost allocation system, comprising a main cold and heat meter for measuring total cold and heat values of a building and a plurality of user metering devices. Each user metering device comprises a temperature control instrument for setting and measuring an indoor temperature, a flow meter for measuring a water inlet flow, a control valve for switching on or off sub-user water supply pipelines, and a data processor for receiving and processing various data and controlling the control switch to be switched on and off. The invention provides a cold and heat metering control and cost allocation method, comprising the following steps of: mounting the main cold and heat meter on the building; mounting a plurality of the user metering devices and the data processor; and calculating the refrigerating amount or the heat supply amount of a user by the data processor according to the received various data and the data of the main cold and heat meter. The cold and heat metering control and cost allocation system and method provided by the invention have the advantages of accuracy in metering and low cost.

The invention discloses a heat metering control system based on indoor and outdoor temperature differences and a heat metering proportional calculation and control method. The heat metering control system based on the indoor and outdoor temperature differences comprises an indoor temperature adjustment and control device, an electrically operated valve, a heat meter, an outdoor air temperature probe, an integrating instrument and a computer terminal, wherein the electrically operated valve is installed on a heat supply pipeline in a heat consumer room and connected with the indoor temperature adjustment and control device; the indoor temperature adjustment and control device is connected with the integrating instrument; the heat meter is installed on a heat supply pipeline of a building or a community and is connected with the integrating instrument; the outdoor air temperature probe is connected with the integrating instrument; the integrating instrument is connected with the computer terminal. The indoor and outdoor temperature differences serve as heat metering bases to be led into the most important thermotechnical parameter 'an outdoor air temperature', thus a linear relation is presented by heat consumption and the indoor temperature, the facts that heat is accurately calculated and shared fairly and reasonably are guaranteed, and 'the equal temperature and the equal cost' are realized.

The invention is an on-off time area method heat metering system which is characterized in that an indoor temperature controller is fixedly installed in a room of a user and provided with an anti-moving device, an on-off controller has a multi-split function, the users on the same floor share a on-off controller, an EOV (electrically operated valve) is installed on a heat supplying main pipeline of the users, a building heat meter is installed the main pipeline of a building heat supplying system, an acquisition calculator is installed on the middle floor of a middle unit of a building, the system adopts a centralized power source for supplying power, wireless communication is adopted among the indoor temperature controller, the on-off controller, a repeater and the acquisition calculator, and wire communication is adopted between the building heat meter and the acquisition calculator. The system adopts the centralized power source to supply power for the system, the on-off controller is of a multi-split mode, the entire construction cost of the system is reduced greatly, simultaneously, the system can amend the quantity of heat apportioned by the on-off time area method according to the indoor temperature situation of the user, which makes charging more scientific and reasonable.

The invention discloses a system and a method for metering cooling/heating amount of fan-coil air conditioners. The system comprises a single chip microcomputer, an inlet/outlet temperature sensor, an inlet relative humidity sensor and an air-volume detection device which are connected with I/O ports of the single chip microcomputer. The method for metering cooling amount comprises: 1) reading the air temperature of an inlet and an outlet, the relative humidity of the inlet and air volume; 2) calculating the moisture content of inlet air; 3) judging whether condensed water exists, changing over to 4) if not or changing over to 7) if so; 4) calculating the enthalpy value of inlet/outlet air with no condensed water; 5) calculating the cooling amount of an S period with no condensed water; 6) accumulating cooling amount; 7) calculating the enthalpy value of the inlet/outlet air with condensed water and the heat of the condensed water; 8) calculating the cooling amount of the S period with condensed water; and 9) accumulating cooling amount. The method for metering heating amount comprises: 1) reading the air temperature of the inlet and the outlet, the relative humidity of the inlet and the air volume; 2) calculating the moisture content of inlet air; 3) calculating the enthalpy value of the inlet/outlet air; 4) calculating the heating amount of the S period; and 5) accumulating heating amount.

Disclosed is a heat energy fee-charging network system in a public building, which belongs to the building central heating household heat metering technique field. The system comprises an intelligent control energy-saving valve, a heat energy master gauge and a computer management platform (6), the intelligent control energy-saving valve includes an electric three-way valve (9) and an intelligent controller (3), the electric three-way valve (9) is arranged at the inlet of a water inlet pipe (2) of each group of radiators (5) in the public building, the electric three-way valve (9) is connected with the intelligent controller (3), and the heat energy master gauge is connected with the computer management platform (6). The system is applied to various types of central heating systems (administrative office buildings, schools, apartments, etc.) in the existing public building; and the system has the advantages of balanced heat in buildings, solving the heat maladjustment problem (upper hot and lower cold), and energy saving; being capable of stating the valve adjustment time according to the work and rest time (including weekends and holidays) and realizing energy saving; and high reliability and high energy saving rate.

The invention provides a multifunctional experiment apparatus used for an emergent relief experiment research during runaway reaction. The whole process simulation of the runaway reaction is carried out, therefore useful data is provided for engineering design and type selecting of a safe relief apparatus, and essential data is provided for reactivity hazard assessment. The simulation experiment device comprises a reaction kettle, a pressure bearing kettle, a charging system, a relief control system, a temperature-control system, a pressure control system, a relief collection treatment system, a data acquisition and storage system, an automatic operation and control system and safe subsidiary facilities. The simulation experiment device has the advantages of novel structure design, strong function, convenient experiment, less time consumption and large reactant dosage; the invention employs pressure tracking and temperature tracking technology for realizing adiabatic heat metering test, the thermal inertia is small, the measured experiment data can be directly used in engineering, the whole process simulation of the runaway reaction is carried out, the useful data is provided for reactivity hazard assessment and emergent relief apparatus design.

The invention discloses a water conservancy balance heat metering system and method, and relates to the technical field of devices or methods for measuring heat. The system comprises indoor wireless temperature sensors, indoor temperature controllers, flow switch-on and switch-off controllers, building heat meters and data acquirers, wherein each building heat meter is positioned at a total heating inlet of the corresponding building; each flow switch-on/switch-off controller is mounted on a branch pipe of an entrance of the corresponding house; each indoor temperature controller is positioned in the corresponding house and is connected with a control end of the corresponding flow switch-on and switch-off controller in a wired or wireless mode; each sensor is arranged in the corresponding house; each data acquirer is arranged in the corresponding building; and the data acquirers are used for acquiring relevant information of the sensors, the indoor temperature controllers, the flow switch-on and switch-off controllers and the building heat meters. According to the method, water conservancy working condition balance is implemented by an adjusting means, users can accept the relatively reasonable apportion mode, heating cost is reduced, energy conservation and emission reduction are promoted, and comfort level of residents is improved.

The invention provides a heat metering wireless temperature control system based on a fuzzy control algorithm. The heat metering wireless temperature control system comprises a fuzzy controller module, a temperature detection and control module, a wireless communication module, a motor driving valve module and a flow measurement module. The temperature detection and control module detects the indoor temperature in real time, carries out inquiring and displaying of temperature setting and heat energy consumption, and transmits temperature data detected in real time to the wireless communication module; the wireless communication module outputs the temperature data detected in real time to the fuzzy controller module and transmits heat data stored in a fuzzy controller to the temperature detection and control module; the fuzzy controller module calculates according to input indoor actual temperature signals by means of the fuzzy control algorithm, outputs output valve opening signals to the motor driving valve module, drives a motor to operate, and controls valve opening of a radiating device; the flow measurement module is used for measuring heat consumption values and outputting the heat values to the fuzzy controller module.

The invention discloses a heat meter based on a movable Venturi pipe flowmeter, which belongs to the technical field of metering heating systems. Aiming at the current situation of the defects that a heating system is poor in water quality, a heat meter adopts a mechanical mode and a differential pressure mode or an ultrasonic flowmeter is easily blocked and the like in our nation, the heat meteradopts a movable Venturi pipe flowmeter as a core forming part of the heat meter, the flowmeter uses a movable Venturi pipe, two structure modes are available that two ends of the movable Venturi pipe are respectively provided with an elastic membrance, or a corrugated pipe, or only one end of the movable Venturi pipe is provided with an elastic membrance or a corrugated pipe, and movable gaps ofthe flowmeter are filled with a flexibleness filter medium or provided with filter membrances to form a blocking preventing mechanism of the flowmeter; as the flowmeter has the advantages of being simple in structure, low in price, small in flow resistance loss, long in service life, high in accuracy, hard to block and the like, the heat meter based on the flowmeter can be used for solving the problem that the conventional heat meter is difficult to expand; and the heat meter can meet urge requirements of household heat metering heating systems on together-used household heat meters.

The invention discloses a heat metering system, which comprises a metering control unit composed of a total heat meter of a building, a building allocation device and an on/off controller, and a user terminal unit composed of an on/off control valve, a flow adjusting valve, a room temperature controller, a water inlet temperature sensor, a water return temperature sensor and a thermoreceptor. In addition, a heat metering allocation method of the heat metering system is also provided by the invention; the room temperature controller detects indoor temperature in real time; the on/off controller transmits a start command to the on/off control valve of the user to supply heat when the temperature is lower than the temperature set by the user; and the on/off controller transmits a close command to the on/off control valve of the user to stop heat supply when the temperature is higher than the temperature set by the user. Hierarchical control and module design are carried out by the system disclosed by the invention; the quantity and the structure of each sub-system can be flexibly adjusted according to the engineering actual situation and safely protected layer by layer, and basic life needs and effective heat metering control of the user can be ensured.

The invention relates to a household-based heat metering method and a household-based heat metering device, and belongs to the field of heating ventilation air conditioning technologies. The technical scheme is as follows: summation of heat used by all users in a building is measured by a heat meter of the building, and the total heating load is apportioned by each user according to an on-off time area method. In a heat apportionment process, the turn-on time of an on-off control valve of a user heating system and a user heating area are taken as the apportionment basis, apportionment factors are introduced and are used for carrying out real-time correction on the apportionment heat. By introducing the apportionment factors, key parameters, which are involved with direct measurement of the heat such as the water flow, the inlet temperature and the outlet temperature of the heating system, are integrated into integrating of the apportionment factors, i.e. the accuracy of the apportionment measurement is corrected in a real-time manner by the direct measurement method, so that the reasonability and the accuracy of the household-based heat metering, and the adaptability under the complicated work conditions are further improved.

The invention provides a method for measuring heat consuming user heating load of a vertical single tube cocurrent type system and a heating metering distributing system of the vertical single tube cocurrent type system, and relates to a heating metering distributing system. The method for measuring heat consuming user heating load of the vertical single tube cocurrent type system and the heating metering distributing system of the vertical single tube cocurrent type system solve the problem that an existing vertical single tube cocurrent type system in buildings is difficult to remould. A flow controller locking balanced flow is placed on each stand pipe of each apartment, each stand pipe is provided with a water supply temperature sensor and a water returning temperature sensor, each user family is provided with a room temperature sensor, and a calorimeter is placed in a total building heating entry well. Heat dissipating capacity of each stand pipe and radiators at each floor and equivalent heat consumed by each heat consuming user are measured according to the measured water supply temperature and water returning temperature of each stand pipe and the measured room temperature in each user. The method for measuring the heat consuming user heating load of the vertical single tube cocurrent type system and the heating metering distributing system of the vertical single tube cocurrent type system are suitable for heat metering reformations of a vertical single tube cocurrent type system connected on the single side, a vertical single tube cocurrent type system connected on two sides without a crossing tube and a vertical single tube cocurrent type system connected on two sides with a crossing tube and radiators at the same user.

The invention provides a heating control system and a heating control method. The heating control system comprises a heat metering database unit, a representative room temperature storage unit, a comparing unit and a heat adjusting and controlling unit. The heat metering database unit comprises collected heat user room temperature data, and representative room temperature is output through calculation; the representative room temperature storage unit is used for storing the representative room temperature output by the heat metering database unit; the comparing unit receives the representative room temperature in the representative room temperature storage unit and compares the representative room temperature with the preset temperature so as to output comparing data; the heat adjusting and controlling unit receives the comparing data output in the comparing unit, and adjusts and controls the heat magnitude through the comparing data; and the heat adjusting and controlling unit outputs the adjusted and controlled heat to the heat user room temperature. The heating control method for the heating control system is further included. According to the control system and the control method, the room temperature of a heat user can be utilized for adjusting the total heat supply amount, so that a heating station can accurately adjust the heat in time.

The invention provides a prediction method and system for regional cooling, heating, cooling and heating loads. The method comprises the steps that regional environment temperature and humidity data and heat meter data are collected; collecting historical data, preprocessing the acquired historical data, and generating a data training set and a test set; adopting an LSTM-based Seq2Seq recurrent neural network model, and utilizing the data training set and the test set to perform model training and testing; importing the trained model file by adopting a TensorFlow framework, and deploying and running the trained model file; and outputting a future cold and heat load prediction value by taking historical data before the current time period as input of model prediction. The LSTM-based self-learning multi-dimensional time sequence multi-step prediction method for the Seq2Seq recurrent neural network model provided by the invention has the advantages of better fitting and expansibility andhigher algorithm accuracy. A load prediction system is combined with an existing automatic control system, and data sharing is achieved. Prediction results are applied to operation, energy can be saved, consumption can be reduced, and operation cost is reduced.

The invention provides a heat metering heat allocating method and device. The heat metering heat allocating method includes the steps of conducting real-time modification on an opening time ratio of an on-off valve in each allocating period through a built-in correcting algorithm and then conducting real-time allocation, modification and accumulation on building heat in the allocating period. According to the heat metering heat allocating device, a room temperature signal end of a room temperature controller is communicated with a room temperature signal end of an on-off controller, a comprehensive signal end of the on-off controller is communicated with a comprehensive signal end of a collecting calculator, an outdoor temperature signal end of an outdoor temperature sensor is communicated with an outdoor temperature signal end of the collecting calculator, and a signal output end of a thermal meter is communicated with a thermal meter signal input end of the collecting calculator. Modification is conducted on allocated heat of users through collection of supply water temperatures and return water temperatures of the users and outdoor temperatures, meanwhile, modification is conducted on the heat dissipation area of each user through collection of indoor temperatures, the supply water temperatures, the return water temperatures and the outdoor temperatures, and therefore accuracy and reasonability of heat allocation are improved.

The invention belongs to the technical fields of heat supply and heating and relates to a calorimeter signal acquisition device. The calorimeter signal acquisition device comprises a heat conducting unit and two temperature sensors, wherein the heat conducting unit is provided with two end faces; one end face of the heat conducting unit is in contact with a heat-carrying fluid and is called heat collecting surface, and the other end face of the heat conducting unit is provided with a heat radiator and is called heat radiating surface; the outer surface of the entire heat conducting unit is provided with a heat preserving layer or an insulating layer apart from the two end faces; the heat conducting unit comprises a sensor for measuring a heat flow relevant signal between the two end faces; and the two temperature sensors are used for measuring the temperature change of the heat-carrying fluid which flows through the heat collecting surface. The invention further provides two kinds of calorimeters having the signal acquisition device and provides a method for computing heat amount. The calorimeters and the signal acquisition device provided by the invention have the advantages of high measuring accuracy, large measurement range, high low-flow-speed accuracy, simple structure and low cost.

The invention discloses an intelligent remote-transmitting heat meter based on a temperature difference and impeller complementary power generation technology and a working method of the intelligent remote-transmitting heat meter. The intelligent remote-transmitting heat meter is composed of a power supply system, an intelligent control system, a heat measurement system and a communication system, wherein the power supply system collects the dissipated heat energy and the fluid dynamic energy of a pipeline to support the working of the heat measurement system and the communication system, the intelligent control system controls the charge and discharge processes of lithium ion circuits of the power supply system and the switching of working modes of a gauge in different seasons, and the communication system transmits the flow data obtained by the heat measurement system to a user terminal. On the basis of the existing power supply system and the measurement system, since the power generation technology of a power supply system working medium and the temperature difference of the ambient temperature is combined with the power generation technology that a motor is driven by the impeller who is driven by fluid in the pipeline and a wireless remote-transmitting function is increased, the low cost and the energy-saving performance can meet the requirements of times.

The invention provides a fan coil gauge control device and heat gauge method, which consists of temperature controller and meter reader. The temperature controller is fixed in the fan coil air-conditioning room, whose input end connects the temperature sensor and the output end connects fan coil high-medium-low controller by communication interface and meter reader, which comprises the following steps: 1) checking high-medium-low working heat value or cold value which sets in the temperature controller by contrasting product introduction; 2) gauging working program of temperature controller by present marking; 3) reading each fan coil heat equivalent which provides date individually after the heating or refrigerating season.

The invention discloses a multi-building united temperature area method heat metering system based on wireless temperature acquisition, and relates to a heating metering system. In the system, a wireless temperature sensor and a wireless temperature acquisition device are connected in a wireless communication mode, so that the number of cables arranged in a heating user room is reduced, building decoration in the heating user room is prevented from being damaged, and construction difficulty and construction cost are reduced simultaneously. All heat distribution operation, data processing and data storage of the system are finished by a heat distribution server arranged in a data center machine room instead of the conventional building distributor, so that data loss caused by the failure of front-end equipment is avoided, and data safety and data reliability are ensured. A plurality of united metering units can share one heat distribution server, so that system cost and deployment difficulty are greatly reduced. A plurality of heat distribution servers can be arranged in one data center machine room, so that data centralized management is realized, a carrier-grade framework is met, distribution operation is more accurate, and charging is fairer and more reasonable.