54results about How to "Guaranteed heating needs" patented technology

The invention relates to a heating device of an electronic smoking set and a control method of the device. A microcontroller of the heating device of the electronic smoking set is electrically connected with a buck-boost bridge circuit, a heating unit resistance value sampling circuit, a heating unit and a heating unit resistance value detection module in sequence and then is connected back to the microcontroller; the heating unit resistance value sampling circuit is connected with the heating unit resistance value detection module, a feedback circuit is connected between the buck-boost bridge circuit and the heating unit, and the feedback circuit is connected back to the microcontroller; when the electronic smoking set is used, the temperature of the heating unit is changed, the resistance value is also changed correspondingly, and the heating unit resistance value detection module detects the resistance value of the heating unit, converts the resistance value into corresponding temperature electric signals, and transmits the signals to the microcontroller; the microcontroller compares the temperature electric signals with a set temperature value and sends control signals to the buck-boost bridge circuit, so that the output voltage of the buck-boost bridge circuit is changed, the power of the heating unit is also changed, and accordingly the temperature of the heating unit is adjusted to be stable.

The invention provides an air-conditioning heat pump system for electric cars. The air-conditioning heat pump system comprises a compressor (1), a four-way valve (2), an outdoor air-cooled heat exchanger (3) with an outdoor fan (4), a one-way valve set, a throttle flow path with a main throttle element (9), and an indoor air-cooled heat exchanger (10) with an indoor fan (11). Therefore, the air-conditioning heat pump system is provided with a refrigerating mode and a first heating mode respectively. The compressor (1) comprises an air supplement inlet (1'). The air-conditioning heat pump system further comprises an air supplement flow path with an air supplement device. One end of the air supplement flow path, in front of the main throttle element, is connected to the throttle flow path, and the other end of the air supplement flow path is connected to the air supplement inlet, so that air hotter and more pressurized than low-temperature low-pressure air is selectively supplied to the compressor so as to achieve a second heating mode.

The invention relates to a steam extraction and heating integrated system for electric peak-load shaving of a combined cycle unit and an operation method of the steam extraction and heating integratedsystem. The steam extraction and heating integrated system comprises a gas turbine unit and a steam turbine unit, integrated design of different steam extraction modes is carried out based on the principle of gradient energy utilization, and thus the thermoelectric decoupling operation capacity of the combined cycle unit is effectively improved, and heating requirements of residents are met; in addition, hot water heat storage systems are simultaneously coupled in a heating system and a boiler water feeding system, so that cooperative matching of electric peak-load shaving and heating of thecombined cycle unit is achieved, and the electric peak-load shaving capacity of the combined cycle unit during operation under a pure-condensation condition is improved. By means of the steam extraction and heating integrated system, loss of working capacity in the heating process is effectively lowered while outward heating capacity of the combined cycle unit is deeply exerted. Especially currentsevere electric peak-load shaving policy requirements are met, the deep peak-load shaving capacity of a thermal power generating unit is achieved, the requirement of a power grid for unit peak-load shaving is truly met, and high practical application value is achieved.

The invention provides a micro-energy type energy-saving electric heating system. The system is characterized by comprising an electric heating system body, a time, grade and gear based control system and an insulation system, wherein the electric heating system body mainly comprises an electric heater 1; the time, grade and gear based control system mainly comprises a controller 2; the insulation system mainly comprises an insulation sunshade door window curtain 3; after the electric heater 1 starts to work, the controller 2 collects indoor temperature and compares with the set temperature; when the indoor temperature is less than the set temperature, the controller 2 can control the electric heater 1 based on the indoor temperature condition to run at 1 / 3 gear, 2 / 3 gear and all power according to the heat distribution of a room; when the total operation load is beyond the upper set limit value, the controller 2 can automatically operate high-grade room electric heater 1 according to the set priority level to lower down or close the operation gear or the running low-grade room electric heater 1, and then circulating is performed; the insulation sunshade door window curtain 3 is additionally arranged at the outer part of a door window of the room.

The invention discloses an energy-saving type single room heat supplying regional control system and method. The system comprises a temperature detecting unit, a control box, a main control system anda heat supplying system; the method comprises the steps that the control box is adopted for setting preset data for each room; the temperature detecting unit is used for collecting temperature data of each room; the collected temperature data is contrasted with preset data to obtain feedback information, and the feedback information is sent to the main control system; the main control system generates a control instruction according to the feedback information and sends the control instruction to the heat supplying system, and the heat supplying system supplies heat to the rooms needing heatsupply. According to the energy-saving type single room heat supplying regional control system and method, time setting and temperaturesetting are conducted on each room, the main control system is adopted for controlling the heat supplying system to supply heat individually according to temperature test feedback, and under the premise that a user has different requirements for different rooms anddifferent time periods, it is effectively ensured that the elaborate management is achieved, resources are saved to the greatest extent, andthe cost of the user is reduced.

The invention provides heat management control method and system for an engine, and belongs to the field of vehicles. The heat management control method comprises the following steps of judging a current working state of the engine; acquiring the air inlet temperature, the water outlet temperature and the cylinder block temperature of the engine; and according to the current working state, the airinlet temperature, the water outlet temperature and the cylinder block temperature of the engine, the flow of cooling liquid among an engine cylinder block, an engine cylinder cover, a heat radiatorand a warm wind core body of a vehicle is controlled, so that the working temperature of the engine is controlled. The invention further provides the corresponding heat management system. According tothe heat management control method and the system provided by the invention, the engine can be protected, meanwhile, the fuel economy of the engine is effectively improved, and the emission is reduced.

A solar building foundation thermal storage heat supplying system in an alpine region stores solar energy by using a building foundation. The solar building foundation thermal storage heat supplying system comprises a solar thermal collector, a fan heater, a storing / dissipating heat coiler, a thermal preservation foundation heat storing layer, a soil temperature measurement probe, a temperature controller, an expansion water tank, a heat storing recycling pump, a heat supplying recycling pump, a valve and the like. At the initial stage of heat supplying, heat is stored by the solar thermal collector to a foundation, and in sunny days, according to the demand, the heat is supplied into a room through the fan heater, or the heat is stored for the standby application through the storing / dissipating heat coiler; and in rainy days or at nights, the stored heat of the foundation is dissipated to supply heat for the room, and at extreme cold nights, an antifreezing rebound valve is slightly opened to prevent a thermal collecting pipeline from being burst. The oil temperature measurement probe is interlocked with the temperature controller, and excessive heat storing of the foundation can be prevented; meanwhile, the foundation dissipates heat to the room through a floor, a base pillar, a wall body and a floor slab, and the floor, the base pillar, the wall body and the floor slab have high heat-transfer capabilities; and the inner surface of a spacing enclosing structure is high in temperature, and the thermal environment is more comfort. According to the solar building foundation thermal storage heat supplying system in the alpine region, the heat storing property of the building foundation is skillfully used, defects of instability and intermittent of solar energy are overcome, and the heat supplying demand of the alpine regions where conventional energy resources are insufficient and solar energy resources are rich is solved.

The invention discloses heat-storage heating equipment for heating by using gas. The equipment comprises a phase-change material heat storage box, a heating box, a water storage tank, an oil storage tank and a heating and heat-exchanging box, wherein a heat-conduction oil heat exchange tube is arranged in the phase-change material heat storage box; a water heater, an oil heater and a gas heating device are arranged in the heating box; the water heater is connected with the water storage tank through a water circulation pipeline; an oil liquid outlet of the oil storage tank is successively connected with a liquid inlet end of a heat-conduction oil circulation tube through a heat-conduction oil discharging and circulating tube; a liquid outlet end of the heat-conduction oil circulation tubepasses through the oil heater and is subsequently connected with the inlet of the heat-conduction oil heat exchange tube of the phase-change material heat storage box; the outlet of the heat-conduction oil heat exchange tube of the phase-change material heat storage box is connected with the heating and heat-exchanging box; the inlet of the heat-conduction oil heat exchange tube is connected withthe outlet of the heat-conduction oil heat exchange tube through the heat-conduction oil heat exchange tube; the heating and heat-exchanging box is connected with the oil storage tank through a heat-conduction oil returning and circulating tube; a forced circulation pump is mounted in the water circulation pipeline; a heat-conduction oil main circulation pump is mounted on the heat-conduction oilcirculation tube or the heat-conduction oil returning and circulating tube.

The invention discloses a double-unit coupling peak shaving method and device based on electricity and heat load cooperative scheduling of a whole plant, and belongs to the technical field of cogeneration and thermal power flexibility. The device includes a first thermoelectric unit, a second thermoelectric unit, a first cooling steam system and a second cooling steam system. According to the method and the device, peak-shaving operation strategies of the two units are generated on the premise of meeting an external heat supply load requirement, not only the civil heating requirement is met, but also economic benefits of the peak-shaving operation of the whole plant are maximized, the design of the device is reasonable, the structure is simple, and performance is reliable.

The invention belongs to the field of building decorative materials, in particular to an electric heating movable floor and a heating system consisting of the electric heating movable floor. The electric heating movable floor comprises a floor substrate mainly manufactured by pressing a calcium sulfate material and is characterized in that the floor substrate is provided with a connection through hole, the upper surface of the floor substrate is provided with a wiring slot in which an electric heating wire is embedded, a start point and an end point of the wiring slot are communicated with the connection through hole in which a power supply connector is arranged, two ends of the electric heating wire are connected with the power supply connector, and a panel is adhered on the upper surface of the floor substrate. According to the invention, the decoration on the ground is firstly realized, the requirements of persons on good appearance and cleanness of the ground are met, and the heating system consisting of the electric heating movable floor disclosed by the invention meets requirements of the persons on indoor heating and is convenient for the persons to carry out single control.

The invention belongs to the technical field of centralized heating control, and particularly relates to a boiler intelligent control system, which comprises an original boiler controller and a boiler intelligent controller, wherein the boiler intelligent controller comprises a control bottom plate, a touch screen interface, a video screen interface, a voice broadcasting interface, a power source module, an SD (secure digital) card slot, a wireless transmitting module, a GPRS (general packet radio service) power amplifier, a control switch group, a boiler selection conversion card and the like. The boiler intelligent control system has the advantages that the boiler intelligent control system is connected with the existing boiler controller in parallel for use, so more intelligent control is realized; the problems of blindness of running adjusting, larger randomness, and difficulty in simultaneous heat insulation and energy saving in the existing empirical type are solved; the convenience and rapidity in use and operation are realized, the working reliability is good, the required intelligent heating is realized, the energy-saving and environment-friendly effects are realized, the practicality is high, and the popularizing value is high; the boiler intelligent control system is particularly suitable for the control, adjusting, management and running of centralized heating systems of boiler rooms of residential districts, office buildings, schools and enterprise organizations.

The invention discloses an electric heating rod group which is applied to an emulsified asphalt tank of an asphalt spreading paver to realize heating and thermal insulation functions on an emulsified asphalt material in the tank body. The electric heating rod group comprises a junction box (1), a connection flange (2), an internal thread short steel pipe (3), a temperature switch (4) and a heating rod body (5), wherein the junction box (1) is connected with the connection flange (2) through a bolt; the internal thread short steel pipe (3) is welded at the center of the connection flange (2); the temperature switch (4) is mounted at the center of the heating rod group through the internal thread short steel pipe (3); and the heating rod body (5) is divided into nine round heating rods which are of a U-shaped structure and are uniformly welded on the connection flange (2). The electric heating rod group disclosed by the invention meets the need for the heating power of a large-capacity tank body, and realizes flexible temperature rise by reducing the power of a single heating rod so as to avoid an excessive short-time heat value; and meanwhile, the temperature switch is integrated in the electric heating rod group, and the start / stop of the electric heating rod group can be separately controlled so as to realize an effect on preventing local overheating.

The invention discloses a household double-tail-end air source heat pump-electric energy storage heat supply air conditioner device and a work method. The system comprises an air source heat pump unit, a heat storage water tank and a tail end device. A first heat exchanger, a second heat exchanger and a third heat exchanger are arranged in the heat storage water tank. The tail end device comprisesa fan coil, a floor radiation heating system and a domestic hot water system. A refrigerating coil and a hot water coil are arranged in the fan coil. When the air source heat pump unit communicates with the first heat exchanger, heat is stored in the heat storage water tank through the first heat exchanger, and heat is supplied to the user side; the second heat exchanger is directly connected with the electric heating system, and when the electric heating system is started, the electric heating system is used for heating water in the heat storage water tank, heat is stored in the heat storagewater tank through the second heat exchanger, and heat is supplied to the user side; the third heat exchanger communicates with the hot water coil, the floor radiation heating system and the domestichot water system; and when the air source heat pump unit communicates with the refrigerating coil, cold is supplied to the user side.

The invention discloses an air conditioner system and an economizer electronic expansion valve control method. The air conditioner comprises a compressor, an outdoor heat exchanger, a use-side heat exchanger, an economizer, a four-way valve, an economizer electronic expansion valve, a control unit, a use-side discharge water temperature sensor, an outdoor temperature sensor, an economizer electronic expansion valve downstream temperature sensor and a compressor rotation speed sensor, wherein the use-side discharge water temperature sensor, the outdoor temperature sensor, the economizer electronic expansion valve downstream temperature sensor and the compressor rotation speed sensor are connected with the control unit. The air conditioner system has the advantages that by collecting use-side discharge water temperature, outdoor temperature, economizer electronic expansion valve downstream temperature and compressor rotation speed and using a two-dimensional fuzzy controller to control the opening degree of the economizer electronic expansion valve, and the system gets rid of the dependence of the prior art on superheat degree; the system does not depend on the superheat degree, control stability of the economizer electronic expansion valve is achieved, low-temperature heating ability can be increased effectively, energy efficiency ratio can be increased evidently, and the system's adaptability to various working conditions is increased.

The invention relates to an air conditioning system for a car. The air conditioning system is characterized in that a first air flowing shell is used for guiding air flow; an evaporator is arranged inthe first air flowing shell, and all the air flow in the first air flowing shell flows through the evaporator; a first air blower is arranged in the first air flowing shell and used for generating air flow; a first outflow hole leads the air flow in the first air flowing shell to flow to the outside of the shell. According to the air conditioning system, the least number of valves are arranged onrefrigerant circuits, meanwhile, air flow guide devices are arranged in air flowing shells respectively, and the switching between a refrigeration / dehumidification work mode and a heating work mode of the system is achieved through the teamwork of the valves and the air flow guide devices. According to the air conditioning system for the car, while the size of the system is reduced, the refrigeration / heating efficiency of the system is improved, that is, it is achieved that the size is small and the efficiency is high with fewest components.

The invention discloses an automobile air conditioner control method and system and anautomobile. The method comprises the steps of judging whether the automobile meets a low-temperature heating condition or not after an air conditioner controller obtains a heating instruction, and transmitting a low-temperature heating mode starting signal to a gearbox controller if the automobile meets the low-temperature heating condition,and after the gearbox controller receives the low-temperature heating mode starting signal, determining the gear shifting point of the gearbox according to a low-temperature heating gear shifting curve, the gear shifting point of the low-temperature heating gear shifting curve beinghigher than the gear shifting point of a gear shifting curve under the normal working condition so as to control the gearbox to delay gear shifting. According to the method, the hardware cost and weight of the whole automobile are not increased, the rotating speed of the engine is indirectly adjusted by changing the gear shifting curve of the gearbox controller, the effect of dynamically increasing the starting water temperature is achieved, and the problem that the cost needs to beincreased when the heating performance of an air conditioner of an existing internal combustion engine automobile is improved is solved.

The invention discloses a method for preheating a canalization molten-salt section during producing alumina and relates to a method for preheating a molten-salt heating section before pump starting of canalization molten-salt during producing alumina. The method is characterized in that the preheating of the canalization molten-salt section is realized in such a way that dead steam in a self-evaporation system is adopted to heat ore pulp in a canalization stripping pipe and molten salt in an interlayer of the canalization stripping pipe is preheated through the heated ore pulp. Compared with the prior art, the method for preheating a canalization molten-salt section during producing alumina adopts steam heating, low fault compared with electric tracing cords, lower investment and running cost than electric tracing, short heating time, can achieve temperature needed for the start of the canalization device in short time, can preheat the whole system through self-evaporation systems of a canalization system at all levels and is beneficial to establishing heat balance after the canalization device starts.

The invention relates to an active heat storage and release compound greenhouse for an environment with a large temperature difference. Compared with the prior art, the active heat storage and releasecompound greenhouse has the advantage that the defect that an active heat storage and release mode cannot meet the planting requirements of multiple crops is overcome. A plurality of heat transfer control members are mounted at the bottom of a load-bearing microporous plate, and the tops of the heat transfer control members are communicated with the load-bearing microporous plate. A plurality ofhigh-plant crop planting boxes are put on the upper portion of the load-bearing microporous plate, and are arranged in a regular array. Short-plant crop planting containers are arranged between the adjacent high-plant crop planting boxes. The bottoms of the short-plant crop planting containers are communicated with the load-bearing microporous plate. Heat conductive cloth is laid on portions, located in the short-plant crop planting containers, of the load-bearing microporous plate. Planting soil is laid on the heat conductive cloth. The active heat storage and release compound greenhouse canbe applicable to co-planting of tree-shaped crops and short-plant crops, heating of the roots of the tree-shaped crops is ensured, and heat release directly acts on the planting soil for the crops toenable the planting soil to have high heat release efficiency.

The invention discloses an outdoor warm tent in winter, comprising: a support frame and a tent main body, the support frame includes a first support frame and a second support frame, the tent main body includes a first tent main body and a second tent main body; The first support frame is arranged above the second support frame, and the second support frame is set on the ground. The two ends of the first support frame are provided with fixed connectors, and the first tent main body is arranged on the fixed connector through the fixed connectors. Between the first support frame and the second support frame, the second tent main body is arranged above the first support frame through a fixed connector; the fixed connector is also provided with a rotating connecting rod for supporting the second tent main body, And the rotating connecting rod is provided with a light concentrating plate; the fixed connecting piece is provided with fixed feet, and a windshield layer is arranged around the inside of the fixed feet, and the windshield layer is coated with a far-infrared coating. The invention makes the inside of the tent form a sealed thermal environment, locks the heat inside the tent without loss, and ensures the heating demand.

The invention discloses a solar photovoltaic and fuel gas wall-hanging stove integration system, which belongs to the field of heat supply. The solar photovoltaic and fuel gas wall-hanging stove integration system comprises a fuel gas wall-hanging stove and a solar panel, wherein a water tank is arranged in the fuel gas wall-hanging stove; the top end of the water tank is connected with a cold water inlet pipe; a combustion pipe is arranged in the water tank; the bottom end of a combustion chamber communicates with a fuel gas inlet pipe and an air inlet pipe; an igniter is installed in the combustion chamber; the water tank is provided with a hot water outlet pipe; the hot water outlet pipe is connected with a heat supply pipeline; photovoltaic power generation panels are evenly laid on the solar panel; a bracket is provided with an inverter and an accumulator; the accumulator is connected with an electric heater through a wire; and the electric heater is embedded in the water tank ofthe fuel gas wall-hanging stove. By use of the system disclosed by the invention, water in the water tank can be heated through the electric heater, a use ratio of solar energy is guaranteed, the utilization of fuel gases is reduced, energy sources are saved, the solar energy can conveniently guarantee to be used to a maximum degree, resource requirements are reduced, and the system is convenientin use.

The invention discloses a real-time control system and method for guaranteeing the heat output of a solid heat storage and supply system. The control system comprises a heat storage body and a heat exchanger, the air inlet and outlet sides of the heat storage body and the heat exchanger are communicated through an air pipeline, the heat exchanger is communicated with a heat consumer through a water pipeline, a fan is arranged on the air inlet side of the heat storage body, a water supply pipe temperature sensor and a heat meter are arranged on the water supply side of the heat exchanger, and a water return pipe temperature sensor is arranged on the water return side of the heat exchanger. The method comprises the following steps of reading indoor and outdoor real-time temperature of heating, calculating indoor and outdoor temperature difference, calculating an adjusting coefficient, calculating required water supply temperature, adjusting primary side air supply quantity, judging whether actual water supply temperature meets requirements or not, and collecting operation data. The heating heat load is intelligently regulated and controlled in real time according to the indoor and outdoor temperatures of the heating room, the heating requirement of a user is guaranteed, the constant indoor temperature in the heating room is guaranteed, energy is saved to the maximum extent, resource waste is reduced, and the operation cost is reduced.

The invention relates to the technical field of solid electric heat storage, and provides a complementary solid electric heat storage unit. The complementary solid electric heat storage unit aims to solve the problems that a heat storage body is wasted due to the fact that the temperature difference between a cold end and a hot end of the heat storage body is large and heat storage of the heat storage body is unsaturated due to the fact that the heat storage body inside a traditional solid electric heat storage boiler is not uniform in heat storage and the heat storage body enters and exits while being heated, and the specified requirement of one for use and one for backup is not met in a heating system. The complementary solid electric heat storage unit comprises an outer shell and a solid electric heat storage boiler arranged in an inner cavity of the outer shell, wherein the outer side of the solid electric heat storage boiler is coated with a heat preservation layer, the air inletend of the solid electric heat storage boiler is connected with the air outlet end of a heat exchanger through an upper air duct, and the heat exchanger is arranged in the inner cavity of the outer shell; and the air inlet end of the heat exchanger is connected with the air outlet end of the solid electric heat storage boiler through a lower air duct, and a fan is arranged on the lower air duct. The complementary solid electric heat storage unit is particularly suitable for cooperative work of two heating systems required by heat supply for continuous heat supply, and has high social use valueand application prospect.

The invention relates to a wall-hanging furnace maintenance method, device, a wall-hanging furnace and a heating system. The wall-hanging furnace maintenance method comprises: collecting the operationparameter information of the wall-hanging furnace; according to the operation parameter information, the operation state of the wall-hanging furnace is judged; the operation state of the wall-hangingfurnace is shown. According to the wall-hanging furnace maintenance method, the operation state of the wall-hanging furnace is judged by collecting an actual effluent temperature, an actual backwatertemperature and an actual water flow information during the operation of the wall-hanging furnace, and the operation status of the wall-hanging furnace is displayed to users, thereby reminding the users of timely maintenance when the operation state of the wall-hanging furnace is not ideal, effectively reducing the risk of serious wall-hanging furnaces blockage, ensuring the users' heating needs,making the wall-hanging furnace run in a good state, and prolonging the service life of the wall-hanging furnace.

The invention provides a wall-hanging stove capable of synchronously heating and bathing and a control method of the wall-hanging stove. The wall-hanging stove comprises a sleeve type heat exchanger and a controller, the two ends of an outer ring pipeline of the sleeve type heat exchanger are connected with a heating water return pipe and a heating water outlet pipe of a heating waterway respectively, and the two ends of an inner ring pipeline of the sleeve type heat exchanger are connected with a bathroom water inlet pipe and a bathroom water outlet pipe of a bathroom waterway respectively. A variable-frequency water pump is arranged on the heating water return pipe, a bathroom water outlet temperature sensor is arranged at the position, close to the water outlet, of the bathroom water outlet pipe, and the variable-frequency water pump and the bathroom water outlet temperature sensor are both connected with the controller. Heating and bathroom modes can be carried out at the same time, even if a user needs to use domestic hot water for a period of time, the machine cannot stop the heating mode, heating can be carried out all the time, the indoor environment temperature is maintained, the heating requirement is met, and the experience effect of the user is greatly improved.

The invention discloses a heat supply method and system based on oil-water classification type ship exhaust gas residual heat. The system comprises a ship exhaust gas heat-collecting system, a temperature control system, an oil-water heat exchange system and a ship heat supply system. The ship exhaust gas heat-collecting system comprises a ship exhaust gas residual heat heat-collecting device, andthe heat transfer medium is heat conducting oil. The temperature control system comprises an electric auxiliary heater and a temperature regulator, the oil-water heat exchange system is between the heat conducting oil and heat supply water, and the heat transfer medium of the ship heat supply system is the heat supply water. The heat supply method adopts a separate dual-loop system of heat collecting and heat supply, the heat conducting oil circulates and absorbs the residual heat of the ship exhaust gas in the ship exhaust gas residual heat heat-collecting device and exchanges heat energy with the heat supply water in the oil-water heat exchange system to complete the heat supply task in the ship heat supply system, and the advantages of low heat loss and high stability are achieved.

The invention discloses a combined heat and power generation central heating system with the heat supply network side coupled with electric thermal storage peak regulation and an operation method. Thecombined heat and power generation central heating system comprises a turbine, a condenser, a hot supply network initial station, a circulating pump, a near end heat exchange station, a far end heatexchange station, a hot water thermal storage tank, an electrically heated boiler, near end heat users and far end heat users. The near end heat exchange station and the far end heat exchange stationare connected in series or in parallel. The near end heat users and the far end heat users are connected in series or in parallel. The far end heat exchange station is arranged at the tail end of a primary network, and the far end heat users are arranged at the tail end of a secondary network. The far end heat exchange station is provided with an electric thermal storage system. The far end heat users are provided with electric thermal storage systems. According to the combined heat and power generation central heating system, power grid electricity peak regulation and the combined heat and power generation central heating system are coupled, power grid side electricity peak regulation is achieved, and the problem that heat supply to the tail end user in a combined heat and power generation heat supply network is excessively insufficient is solved at the same time; and in this way, the combined heat and power generation central heating system guarantees the civil heating demand, has remarkable economic and social benefits and has great practical value.

The invention provides a motor punching sheet of a heating compressor of a heat pump, a motor, and a compressor employing the motor. The punching sheet comprises a stator punching sheet and a rotor punching sheet, wherein the number of slots of the stator punching sheet is M and the number of slots of the rotor punching sheet is N. moreover, the number of slots of the stator punching sheet and the number of slots of the rotor punching sheet meet a formula: M=N+k, wherein k is an even number which is not less than 2. The specific setting of the number of slots of the stator punching sheet and the number of slots of the rotor punching sheet enables the yoke part and tooth part of the motor to be uniform in size, thereby guaranteeing the relatively uniform flux density, and avoiding the saturation of the flux density of an iron core. The motor punching sheet meets the requirements of big-torque operation of the motor.

The invention discloses an oil-water based staged solar heating method and device. The device comprises a solar heat collection system, a temperature control system, an oil-water heat exchange systemand a user heating system. The solar heat collection system comprises solar heat collection pipes and groove type single-axis reflection heat collection plates, and heat conduction oil serves as a heat transfer medium. The temperature control system comprises an electric auxiliary heater and a temperature adjuster. The oil-water heat exchange system is located between the heat conduction oil and heating water. The heating water serves as a heat transfer medium of the user heating system. According to the oil-water based staged solar heating method and device, the dual loop system with heat collection and heating separated is adopted, the heat conduction oil cyclically absorbs solar energy in a solar heat collection field, the heat conduction oil and the heating water achieve heat energy exchange in the oil-water heat exchange system, and the heating task in the user heating system is completed; and the advantages of low heat losses and high stability are achieved.

The invention provides a centralized control method of an electric heating system, a terminal and a storage medium. The method comprises the steps that power grid information of a target station area is monitored in real time; if the power grid information of the target station area meets the alternate stopping condition of the electric heating equipment, the indoor temperature change rate of each electric heating user in the target station area in the historical stopping time period of the electric heating equipment is obtained; based on the indoor temperature change rate of each electric heating user in the historical outage time period of the electric heating equipment, dividing the electric heating users in the target area into a plurality of turn stop groups, and determining the turn stop time of each turn stop group; and finally, the electric heating equipment in the target area is stopped in turn in a turn stopping mode at the corresponding turn stopping time. By means of the scheme, the situation that the indoor temperature difference of a user changes greatly in the outage time period of the electric heating equipment can be avoided, and therefore the utilization rate of coal-to-electricity matched power grid equipment is increased on the premise that the heating requirement of the user is met.