815 results about "Heat meter" patented technology

The present invention relates to an automatic meter reading system based on ZigBee wireless communication technology, wherein, the automatic meter reading system comprises a data collector, a repeater, a concentrator, a handheld device and other communication devices, and the communication devices are all provided with ZigBee communication modules. The present invention can provide real-time, high-speed and reliable data communication service, accomplishes the functions such as data freezing, node management, debugging diagnosis and so on, and realizes the networking automatic data reading of electric meters, water meters, gas meters and heat meters.

The invention discloses an intelligent heat supply network integrated system and a control method of the intelligent heat supply network integrated system and relates to a city heating system and a control method of the city heating system. The system comprises a heat source, a heat supply dispatch initial station, a heat exchange station, a primary heat supply pipe network, a secondary heat supply pipe network and a building heat supply pipe network, a main control system, a primary controller, a secondary controller and a building controller are arranged, each stage of heat supply pipe network is provided with a heat meter, a pressure sensor, a temperature sensor and an electric adjusting valve, a circulation pump on the primary network and a circulation pump on the secondary network are respectively provided with a frequency converter, and the building controller, the primary controller and the secondary controller are connected with the main control system; the building controller is electrically connected with the electric adjusting valve of the building heat supply pipe network. The main control system obtains control parameters through the sensors on all the stages of pipe networks, and the working states of the heat supply pipe networks are adjusted and controlled according to the specific values between the parameters and designed values. According to the intelligent heat supply network integrated system, heat and water balance of the heat supply pipe networks is optimally controlled, no utilizable energy is wasted, and the intelligent heat supply network integrated system is green, capable of saving energy, environmentally friendly and beneficial for descendants.

The invention discloses an intelligent object network heat meter and a management system thereof, which belong to heat meters. The heat meter is mounted near a medium pipeline of a heat exchanger and comprises a CPU (central processing unit) controller and a flow metering device. The CPU controller is connected to a flow valve and the flow metering device on the medium pipeline of the heat exchanger, and the CPU controller outputs control signals to control on and off of a flow valve, reads metering data from the flow metering device and deducts initial values stored in an EPPROM (electrically erasable programmable read-only memory) according to metering data information. The intelligent object network heat meter and the management system thereof are simple in structure, functionally realized based on the technique of internet of things, suitable for being mounted and used in various areas, and wide in application range.

The invention provides a heat supply method, device and system based on building heat supply load forecasting. The method includes the steps that a dynamic heat supply heat load is forecast based on the obtained target heating user building envelope condition, the between-neighbor heat transfer condition, the real-time outdoor climatic parameter and the indoor temperature needed by a user; a control signal for controlling a target valve is generated according to the dynamic heat supply heat load and actual heat supply amount data detected by a heat meter, the control signal carries opening degree information and/or on-off time information, and the target valve is a valve for controlling the heating water flow for the target heating user; and the control signal is sent to the target valve,and therefore the target valve executes corresponding motions according to the control signal. The heat supply method, device and system solve the problems that temperature measurement deviations arecaused by different installing positions of an existing room temperature measurement facility and the user has interference in a temperature measurement device, and can solve the technical problem that a heat supply enterprise cannot achieve heat supply according to needs for different users with different room temperature requirements.

A flow temperature heat measuring method based on room temperature and a flow temperature heat measuring system relate to a heat measuring method and a flow temperature heat measuring system. The invention solves the defects of the heat measuring method presently used and the measured heat can be directly used for charging. The method includes the following steps of: determining the actual temperature of all rooms in a building as well as the temperature difference of heat users between supply and return water in actual situation; arranging a heat meter at the entrance of the building as well as a flow controller and a supply and return water temperature sensor in a user inlet; and sending the measured supply and return water temperature and the heat supply quantity of the building to an integrator or a data center to complete heat calculation in a wired or wireless way. The heat measuring system is simple and reliable, convenient in installation, low in fault rate, long in service time and easy for people to understand and accept for heat charge sharing result and in accordance with the consumption level as well as understanding and acceptance degree of Chinese common people, and realizes the heat measuring objective that the heat users in the same building have the same heating area and the same temperature comes with the same heat charge to be paid in the same time.

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 provides a main control circuit of a centralized meter reading system. The main control circuit comprises a main chip, a power module, an SRAM (Static Random Access Memory) data storage module, a clock module, a man-machine operation interface, an SD (Secure Digital) card, an LCD (Liquid Crystal Display) liquid crystal display screen, a GPRS (General Packet Radio Service) wireless communication module, an MBUS (Meter-Bus) channel selection module, an MBUS communication module, a 485 communication module and an RS232 converter, wherein the power module is used for providing voltages. The communication modes of the main control circuit are optionally wireless and wired modes; the GPRS remote communication function is capable of providing reliable operations and high-efficiency operations for remote monitoring and operations; meanwhile, a concentrator and meters are connected in two manners of 485 and MBUS, and therefore, the main control circuit is simple and convenient in construction and good in compatibility with commercial heat meters; in addition, the MBUS communication module is matched with the MBUS channel selection module, and simultaneous working of a plurality of channels and district networking are realized by virtue of channel selection, and therefore, the market requirements are met to the utmost extent; the whole circuit is good in data acquisition effect and high in instantaneity and accuracy; besides, real-time reliable operations can be realized by use of the man-machine operation interface.

The invention provides an energy management system applied to industrial park. The system comprises an energy management center server, a data acquisition unit and an auxiliary communication device. The energy management center server is connected with the data acquisition unit, the data acquisition unit is connected with the auxiliary communication device, and the auxiliary communication device is connected with a field device and a power dispatching mechanism. The field device comprises a power conversion system (PCS), a battery management system (BMS), a photovoltaic grid-connected inverter, a wind-power converter, a gas-driven combined cooling-heating-power supply system, a ground-source heat pump system, branch circuit switchgears, an ammeter, a gas meter, a heat meter and an environmental monitor. According to the energy management system applied to industrial park, energy production and consumption processes are monitored in real time by collecting energy production and consumption information of the industrial park in order to count and analyze the energy production and consumption, and based on energy-saving diagnosis, energy-saving suggests are formed; and the energy source is uniformly dispatched by planning a coordination control strategy, thereby exerting functions of optimizing energy medium balance, improving environmental-protection quality, reducing comprehensive energy consumption of enterprises and reducing energy utilization costs of the enterprises on the industrial park.

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 belongs to the technical field of heating regulation and control of buildings and particularly relates to a Zigbee-based central heating regulation and control system of a public building. The technical scheme disclosed by the invention is of the Zigbee-based central heating regulation and control system of the public building. The Zigbee-based central heating regulation and control system of the public building comprises a building calorimeter and a building heating valve, as well as a temperature collector, a building coordinator, a remote monitoring computer and a terminal mobile phone. The Zigbee-based central heating regulation and control system disclosed by the invention can improve the degree of satisfaction of users with different thermal requirements, the single-point temperature collection is accurate, the precision is high, heat users are guided to reasonably use heat from the heat user ends, and the energy utilization rate of the building is further improved. Simultaneously, a flexible temperature regulation way is provided, and the regulation and control demands of the different users can be better met; and the remote real-time monitoring based on Internet is realized, real-time inquiry, regulation and control through mobile phone short messages can be realized, and the use of each user can be facilitated.

The invention relates to a thermal control device for prepaying with a noncontact-type smart IC card, mounted in a thermal power station of a civil central heating system. The device mainly comprises a shell and components in the shell, i.e. a power supply, a contact-type operation controller, a noncontact-type smart IC card reader, public communication network modules of CDMA (Code Division Multiple Access)/GPRS (General Packet Radio Service)/ADSL (Asymmetric Digital Subscriber Line), and the like, an RS (Recommended Standard) 485 MOD-BUS communication module, an M-BUS heat meter communication module, a multi-branch electric valve control module, a multi-branch electric valve state detection module, and the like. By the device, the prepaying functions of the IC card for central heating, the storage of paying data, transaction records, heat consumption data, and the like can be realized. The device is used for collecting a heat meter according with an M-BUS communication standard protocol, transmitting partial data to local other smart equipment through an RS 485 interface and transmitting the information of the real-time data, the transaction records, the heat consumption data, and the like to an upper management system through communication interfaces of the public communication networks of CDMA/GPRS/ADSL, and the like so that heat supply enterprises can acknowledge the heat consumption requirements and the transaction conditions of heat users in time, and the modern management levels of the heat supply enterprises are improved.

An antifreeze constant temp gas water heater with a electric proportion valve for grading automatically, wherein the electric proportion valve is configured as a single-chip (25), a valve sheet (27), a gas valve core (4), a valve seat (28), a stepping motor (16), a photohead (12), a initialize switch (13), a water exit heat meter (1), a incoming flow heat meter (3), a hall water flowmeter (6) setting temperature value for providing proportional control data to the single-chip (25); implementing automatic switch between anti flash fire and fire row, gliding steadily linear scale gas supply, and the adjusting performance with little heat load is better than that of the constant-temperature water heater of the electromagnetic proportion valve greatly. The gas water heater effects with good usage, utility, energy-saving, water-saving are further increased because the product is low cost, advanced structure and remarkable effect. The gas water heaters without constant temperature regulating heat load in little range is placed gradually.

The invention discloses a collecting system for collecting water, gas, heat and electricity meter data. The collecting system comprises a system main station, a concentrator, a collector, a water meter, an electricity meter, a heat meter and a gas meter, wherein the concentrator is in transmission connection with the system main station; the collector is in transmission connection with the concentrator; the water meter, the electricity meter, the heat meter and the gas meter are in transmission connection with the collector; the collector comprises a collection unit, a conversion unit and a first transmission unit; the concentrator comprises a second transmission unit used for transmitting the data of the water meter, the electricity meter, the heat meter and the gas meter from the collector to the system main station; the system main station comprises an analysis unit used for analyzing the received data of the water meter, the electricity meter, the heat meter and the gas meter into an original data format. The transmission format of the data of the water meter, the gas meter and the heat meter is converted into the data transmission format matched with the electricity meter, so that the data of the water meter, the gas meter and the heat meter can be merged into an electricity meter collection system for concentrated collection; the problem that the data of the water meter, the electricity meter, the heat meter and the gas meter cannot be collected in a unified way is solved.

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 relates to a heat supply measurement sharing method based on heating area, indoor and outdoor temperature difference and heating time, belonging to the field of centralized heat supply. The technical scheme is as follows: an effective energy consumption concept is introduced from the aspect of actual utility provided for heating users by a heat supply system; effective heat consumption under different outdoor environment temperatures and indoor heating temperatures of the users can be projected by weakening heat loss or gain due to factors such as structures of buildings, heat conduction and heat radiation among different rooms of users, and the like; the product of temperature difference and time corresponding to each of sampling periods of user rooms under real-time outdoor environment temperature and indoor heating temperature is metered; and finally heat measured by building heat meters according to the product of heating area, heating temperature difference and heating time of the users is shared, and the value of the shared heat is taken as the basic evidence for charging the users, therefore, multiple contradictions and problems existed when household metering is carried out by utilizing the traditional metering method are greatly solved.

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 provides a mobile phone remote-controllable wireless area heating metering management system, which comprises a Zigbee wireless bus-based intelligent control ultrasonic heat-energy local measurement and control network and a remote heating metering management network, wherein the intelligent control ultrasonic heat-energy local measurement and control network and the remote heating metering management network perform remote wireless network communication based on a GPRS/GSM communication module. The mobile phone remote-controllable wireless area heating metering management system can solve problems on improvement on on-site by-the-door indoor heating metering and the remote wireless centralized management of heat meters and the problem that users cannot view heating information and remotely control heating in real time any time anywhere under the condition that the users are dispersed in an area or that the outdoor centralized mounting of the individual heat meters is impracticable, reduce the labor cost and labor intensity of heating companies, enable the users to view the heating information any time anywhere and perform heating, heating stopping and heating load adjustment suitable for own houses by controlling electric control valves, and save energy sources and heating cost.

The invention relates to an intelligent wireless vehicular embedded analytical equipment for automobile exhaust, which includes housing with gaseous current alley way, central processing element and wireless transfers unit electrically connects with central processing element set in, the wireless transfers unit wireless connects with wireless vehicle speed sensor set at the automobile. In the gaseous current alley way, there sets gas pressure sensor which electrically connects with central processing element, nitrous oxides feeler unit, gas flow meter, oxygen gas feeler unit, heat meter, oxycarbide and oxyhydride feeler unit. This invention can get the concentration values of oxygen gas, nitrous oxides, oxycarbide and oxyhydride contained in automobile exhaust and the flow, pressure, temperature and other parameters of automobile exhaust at one time, which makes comprehensive and perfect judgment on the exhaust discharged by the automobile, obtains the mass discharged values of automobile exhaust, and wirelessly sends to detecting person or unit in long distance, and the detecting efficiency of the invention is high.

The invention relates to a monitoring system and method of a heat supply network and can solve the problem of low utilization ratio of heat energy in the prior art. The key point of the technical scheme is as follows: the monitoring system of the heat supply network comprises an upper computer and a sub-monitoring system which comprises a controller, a primary side electric regulating valve, a primary side heat supply network circulating pump speed controller, a secondary side heat supply network circulating pump speed controller and a make-up water pump speed controller; the primary side electric regulating valve is electrically connected with the controller; the controller is electrically connected with a secondary side heat supply network circulating pump via the secondary side heat supply network circulating pump speed controller and is electrically connected with a primary side heat supply network circulating pump via the primary side heat supply network circulating pump speed controller; the make-up water pump speed controller is electrically connected with a make-up water pump; a water make-up startup circuit is connected on the make-up water pump speed controller; a sensorand a heat meter are arranged on the heat supply network and electrically connected with the controller; and the controller communicates with the upper computer via a communication network. The largest utilization ratio of the heat energy can be ensured through various control modes.

The invention aims to provide a remote meter reading method of a public utility meter. In the method provided by the invention, an improved and encrypted M-Bus (meter bus) transmission mode is adopted, thus the transmission mode is simplified. In order to achieve the effects, in the remote meter reading method of the public utility meter provided by the invention, a host and a slave are adopted, and the host is in communication connection with the slave through a bus and provides working power for the slave. The method comprises the following steps: a communication configuration step, a encryption step and a communication step which are carried out between the host and the slave, wherein the communication configuration step comprises a bus initialization step and an equipment determination step; the communication step is carried out after the encryption step; the communication step comprises a data reading step and a transmission interruption step after the communication step; the data reading step comprises data requesting; the slave replies and reads the data; the receiving processing is carried out on the data through the slave; and the receiving processing is divided into interruption receiving processing and link layer processing. Because the technical scheme of the invention is adopted, the M-Bus can be used for conveniently and safely realizing the functions of starting the networking and remote meter reading of meters such as an electricity meter, a water meter, a heat meter and the like.

The invention discloses a metering control system for a single-tube cocurrent heating mode, which is used for realizing the household metering and control adjustment of the single-tube cocurrent heating mode. The system comprises three-way valves, a temperature controller, a metering controller, a monitoring terminal, a regional heat meter and a network data collector, wherein the three-way valves are respectively arranged at an inlet of each radiator in a room of each heating user; the temperature controller and the metering controller are arranged in the room of each heating user, the temperature controller is used for obtaining the temperature set by the user and measuring the indoor temperature, and the metering controller is used for controlling the switching on or off of all the three-way valves in the room according to control signals sent by the temperature controller; the monitoring terminal is used for obtaining the heat value shared by each heating user; and the regional heat meter and the network data collector are arranged in a heating building or a heating unit, the regional heat meter is used for metering the total heat value used by all the hating users in the heating building or the heating unit, and the network data collector is used for receiving the accumulated starting time and the total heat value sent by the metering controller. The invention also discloses a metering control method for the single-tube cocurrent heating mode.