CN110748938A - Intelligent multi-family heating system - Google Patents

Abstract

An intelligent multi-household heating system; the temperature-controlled water tank set in the system is connected to a plurality of thermal storage electric boilers in an array, using valley electricity to heat and store heat, and heat storage energy to supply heat during peak electricity periods, and module control technology is used to optimize output storage. Heat energy, the same heat supply can save heating power; the mixing damper and temperature control water tank set in the system can isolate and separate the hot water with temperature difference, effectively slowing down the mixing speed of heat storage energy and returning waste heat, and balance adjustment The heat energy transfer of each heating water tank isolates the system energy fluctuation from the heat storage energy, and minimizes the heat loss of the heat storage energy; the heating water tank set in this system adopts a space isolation design, so that the system water body and the user terminal water body do not interfere with each other, and the heating of each district is also Without interfering with each other, the operation safety of the system is improved, and the heating energy of solar energy can be absorbed; the system has a reasonable structure and safe operation, which not only reduces the production cost, but also saves energy and improves the effective utilization rate of thermal energy.

Description

Intelligent multi-family heating system

technical field

The invention provides an intelligent multi-household heating system, which belongs to the technical field of heating facilities.

Background technique

In winter in northern my country, the weather is very cold, and heating equipment is often required. In areas without central heating, it is necessary to solve the heating problem by itself. In the past, the common heating method was to use coal stoves for heating, and the heating in the house was often provided by coal-fired boilers or heaters. With the improvement of environmental protection awareness and the deepening of the concept of sustainable development, scattered coal heating Obviously it is no longer suitable for the development situation of our country.

Therefore, the replacement of coal with gas and electricity for heating is replaced by coal, but whether the transformation of gas to coal or electricity is replaced by coal, there is an excessive investment in the transformation. , with valley electricity heating and heat storage, the composite energy electric boiler for single-family heating came into being, and became a coal-to-electricity heating mode parallel to air energy heat pump heating.

However, although the single-family heat-storage composite energy boiler can improve the heating environment, the investment and operation costs of the renovation are still high, especially in terms of safety, there are great hidden dangers-each heat-storage boiler, its 500 Hot water at a high temperature of 90°C is always a danger.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an intelligent multi-household heating system in order to solve the above problems; the temperature control water tank set by the system is connected with a plurality of heat storage electric boilers in an array, and the valley electricity is used to heat and store heat, and the peak electricity period The heat is supplied by the heat storage energy, and the output heat storage energy is optimized by the module control technology, and the same heat supply can save the heating power; The mixing speed of the heat storage energy and the returned waste heat, and balance the adjustment of the heat energy transfer of each heating water tank, isolate the system energy fluctuation from the heat storage energy, and minimize the heat loss of the heat storage energy; The system water body and the user terminal water body do not interfere with each other, and the heating of each district does not interfere with each other, which improves the operation safety of the system, and can also absorb the heating heat energy of solar energy; in addition, the system has a reasonable structure and safe operation, which not only reduces production costs, but also It can save energy, improve the effective utilization rate of heat storage energy, and is suitable for social promotion and use.

In order to achieve the above object, the present invention is achieved by the following technical means:

An intelligent multi-family heating system, which consists of a temperature-controlled water tank, a main controller, a power supply system, a thermal storage electric boiler, an electric heating device, a hybrid damper, a shut-off valve, a water pump, a heat exchanger, a heating water tank, a radiator, a temperature It is composed of a controller, a meter, an electronically controlled three-way valve, a household controller, and a solar collector. The water pipe, the water outlet pipe, the return water pipe and the water outlet pipe are provided with stop valves and water pumps on both ends, and the other ends of the return water pipe and the water outlet pipe are respectively connected with the thermal storage electric boiler, and the thermal storage electric boiler is provided with a first temperature detector, Electric heating device, mixing damper, the other side of the temperature control water tank is connected with the first sub-pipeline, the second sub-pipe The power supply system is connected with the electric heating device through wires.

The other end of the first branch pipe is connected to the heat exchanger through the water pump and the heating water tank, one side of the heat exchanger is connected to the temperature control water tank through the return water pipe, and the other side of the heat exchanger is connected to the temperature control water tank through the return water pipe and the water pump. The heating water tank is connected; a temperature controller is arranged in the heating water tank, and the temperature controller is connected with the two water pumps through wires; one side of the heating water tank is provided with a water outlet pipe and a return water pipe, and the return water pipe and the water outlet pipe are both connected with the heating water tank. It is connected to form a loop. The water outlet pipe of the loop is provided with a meter, a water pump and a radiator. The water pump is connected with the second temperature detector and the household controller through a wire.

The other end of the second branch pipe is connected to the heat exchanger through the water pump and the heating water tank, one side of the heat exchanger is connected to the temperature control water tank through the return water pipeline, and the other side of the heat exchanger is connected to the temperature control water tank through the return water pipeline and the water pump. The heating water tank is connected; a temperature controller is arranged in the heating water tank, and the temperature controller is connected with two water pumps through wires; a water outlet pipe and a return water pipe are arranged on one side of the heating water tank, and the water outlet pipe and the return water pipe are connected with the heating water tank A circuit is formed. The water outlet pipe of the circuit is provided with a meter, a water pump, a radiator, and two electronically controlled three-way valves. The two electronically controlled three-way valves are connected to the solar collector through the water outlet pipe. The solar collector is provided with a The thermometer and the household controller are respectively connected with the thermometer, the electronically controlled three-way valve, the water pump and the second thermometer through wires, and the heating branch is an indoor composite energy heating branch.

The other end of the third branch pipe is connected with the heat exchanger through the water pump and the heating water tank, one side of the heat exchanger is connected with the temperature control water tank through the return water pipe, and the other side of the heat exchanger is connected with the return water pipe, the water pump and the temperature control water tank. The heating water tank is connected; the heating water tank is provided with a thermostat, the upper end of the heating water tank is provided with a return water pipe and a water outlet pipe, the return water pipe and the water outlet pipe are connected with the heating water tank to form a loop, and a solar collector is arranged on the loop water outlet pipe , water pump, and the thermometer are connected with three water pumps through wires; one side of the heating water tank is provided with a water outlet pipe and a return water pipe, and the water outlet pipe and the water return pipe are connected with the heating water tank to form a loop, and a meter is set on the loop water outlet pipe , water pump, radiator, the water pump is connected with the second temperature measuring device and the household controller through wires, and the heating branch is a public composite energy heating branch.

The temperature-controlled water tank can be connected with 3 to 7 thermal storage electric boilers. The temperature of the water in the temperature-controlled water tank is monitored by the first thermometer and controlled by the main controller. When the water temperature of the temperature-controlled water tank is lower than 50°C , the water pump transfers the 90°C high temperature hot water in the thermal storage electric boiler to the temperature control water tank in a controlled manner, and the waste heat returned from the temperature controlled water tank returns to the thermal storage electric boiler through the return water pipeline. The high temperature heat storage energy in the heat storage electric boiler is separated.

The thermal storage electric boiler adopts valley electricity for heating and thermal storage, and adopts module control technology to optimize the output thermal storage energy to further save energy.

The temperature of the water in the heating water tank is monitored by a temperature controller. When the temperature of the heating water tank is lower than 45°C, the temperature controller controls the water pump to be connected to the temperature-controlled water tank. The heating water tank is designed with space isolation technology, and the heat source water body is Isolated from user radiator water.

In the indoor composite energy heating branch, when the water temperature in the solar collector is higher than 55°C, the solar collector heats the radiator, and when the temperature value of the second thermometer reaches the indoor temperature set value, The solar collector provides heat source return to the heating water tank, and returns the rich heat energy to the temperature-controlled water tank through the heat exchanger.

In the public composite energy heating branch, when the water temperature in the solar collector is higher than 55°C, the solar collector heats the heating water tank, and the rich thermal energy is returned to the temperature control water tank through the heat exchanger.

Working principle: use valley electricity to heat and store heat to establish 90°C water temperature heat storage energy. When the heat supply source supplies heat to the system, the heat storage power boiler delivers the heat storage energy to the temperature control water tank through the water pump through the water outlet pipe, and the heat storage energy ensures the temperature control. The water temperature of the water tank is the working temperature of 50°C, and the temperature-controlled water tank can provide 50°C water temperature working heat for the heating system; when the waste heat returned from the temperature-controlled water tank below 50°C enters the return end of the heat storage electric boiler, under the action of the hybrid damper, The waste heat of the return flow is separated from the high temperature heat storage energy in the heat storage electric boiler.

At the same time, the shut-off valve at the water inlet and outlet of the thermal storage electric boiler is used to cut off the connection between the thermal storage electric boiler and the system, which is convenient for maintenance, loading and unloading under uninterrupted working conditions during heating.

The heating water tank has its own thermostat, which controls the water pump to obtain the required working heat energy from the heat source to ensure that the heating water body output to the user is always 45°C. According to the heating demand of the user, the household controller controls the water pump to obtain hot water from the heating water tank. , and pay heating by meter measurement.

Finally, the heating water tank is used as a composite energy heating platform. Through the household controller, the excess thermal energy of the solar collector installed by the user is fed back to the heating system for a fee, and then balanced and allocated to the required users to save the thermal storage energy of the system; solar collectors The heater is connected to the user's heating system through the water pump, conveying pipeline and heat exchanger. When the water temperature of the solar collector is higher than 55°C, it will supply heating to the user; when the user's room temperature reaches the set value, the water pump will stop heating to the user. The user supplies hot water, and the hot water is controlled by the household controller to flow to the heating water tank, and then the excess heat energy is returned to the system through the heating water tank, and the system is balanced and distributed to each heating water tank.

The present invention mainly has the following beneficial effects:

1. The temperature-controlled water tank set up in the system is connected to a plurality of thermal storage electric boilers in an array. It uses valley electricity to heat and store heat. During peak electricity periods, the thermal storage energy is used for heating. The module control technology is used to optimize the output thermal storage energy. The same amount of heat can be supplied. Save heating power.

2. The mixing damper and temperature control water tank set in the system can isolate and separate the hot water with temperature difference, effectively slow down the mixing speed of heat storage energy and return heat, and balance and adjust the heat energy transfer of each heating water tank to transfer the system energy. The fluctuation is isolated from the heat storage energy, minimizing the heat loss of the heat storage energy.

3. The heating water tank set in the system adopts the space isolation design, so that the water body of the system and the water body of the user terminal do not interfere with each other, and the heating of each district does not interfere with each other, which improves the operation safety of the system, and can also absorb the heating energy of solar energy.

4. The system has reasonable structure and safe operation, which not only reduces production costs, but also saves energy, improves the effective utilization rate of thermal energy storage, and is suitable for social promotion.

Description of drawings

Accompanying drawing 1 is the plane structure schematic diagram of the intelligent multi-household heating system of the present invention;

As shown in the figure, the various parts of the figure are represented by the following Arabic numerals:

Temperature control water tank-1, first thermometer-2, main controller-3, power supply system-4, thermal storage electric boiler-5, electric heating device-6, mixing damper-7, globe valve-8, return water Pipe-9, outlet pipe-10, water pump-11, first sub-pipeline-12, second sub-pipeline-13, heat exchanger-14, heating water tank-15, radiator-16, thermostat-17, metering Table-18, electric control three-way valve-19, second thermometer-20, household controller-21, solar collector-22, third branch-pipe-23.

Below in conjunction with embodiment and description accompanying drawing, the present invention is described in further detail:

Detailed ways

Example 1

As shown in the figure, an intelligent multi-family heating system consists of a temperature-controlled water tank 1, a main controller 3, a power supply system 4, a heat storage electric boiler 5, an electric heating device 6, a mixing damper 7, a stop valve 8, and a water pump. 11. Heat exchanger 14, heating water tank 15, radiator 16, thermostat 17, meter 18, electronically controlled three-way valve 19, household controller 21, and solar collector 22.

As shown in the figure, the temperature control water tank 1 is provided with a first temperature detector 2, and a number of return water pipes 9 and water outlet pipes 10 are arranged on one side of the temperature control water tank 1. There are cut-off valve 8, water pump 11, the other ends of return water pipe 9 and water outlet pipe 10 are respectively connected with thermal storage electric boiler 5, and thermal storage electric boiler 5 is provided with first temperature measuring device 2, electric heating device 6, mixing damper 7 , the other side of the temperature control water tank 1 is connected to the first sub-pipeline 12, the second sub-pipeline 13 and the third sub-pipeline 23 through pipes, and the first temperature detector 2 is connected to the power supply system 4 through wires, the main controller 3 Connection, the power supply system 4 is connected to the electric heating device 6 through wires.

The other end of the first branch pipe 12 is connected to the heat exchanger 14 through the water pump 11 and the heating water tank 15, one side of the heat exchanger 14 is connected to the temperature control water tank 1 through the return pipe 9, and the other The side is connected with the heating water tank 15 through the return water pipe 9 and the water pump 11; the heating water tank 15 is provided with a thermostat 17, and the thermostat 17 is connected with the two water pumps 11 through wires; one side of the heating water tank 15 is provided with a water outlet pipe 10 and the return water pipeline 9, the return water pipeline 9 and the water outlet pipeline 10 are connected with the heating water tank 15 to form a loop, and the loop water outlet pipeline 10 is provided with a meter 18, a water pump 11, and a radiator 16. The thermometer 20 and the household controller 21 are connected, and the heating branch is an indoor heating branch.

The other end of the second branch pipe 13 is connected to the heat exchanger 14 through the water pump 11 and the heating water tank 15, one side of the heat exchanger 14 is connected to the temperature control water tank 1 through the return pipe 9, and the other The side is connected with the heating water tank 15 through the return water pipe 9 and the water pump 11; the heating water tank 15 is provided with a thermostat 17, and the thermostat 17 is connected with the two water pumps 11 through wires; one side of the heating water tank 15 is provided with a water outlet pipe 10 and the return water pipe 9, the water outlet pipe 10 and the return water pipe 9 are connected with the heating water tank 15 to form a loop, and the loop water outlet pipe 10 is provided with a meter 18, a water pump 11, a radiator 16, and two electronically controlled three-way valves 19 , the two electronically controlled three-way valves 19 are connected to the solar collector 22 through the water outlet pipe 10, the solar collector 22 is provided with a thermometer 20, and the household controller 21 is connected to the thermometer 20, the electric The control three-way valve 19, the water pump 11, and the second temperature detector 20 are connected, and the heating branch is an indoor composite energy heating branch.

The other end of the third branch pipe 23 is connected to the heat exchanger 14 through the water pump 11 and the heating water tank 15, one side of the heat exchanger 14 is connected to the temperature control water tank 1 through the return pipe 9, and the other side of the heat exchanger 14 is connected. The side is connected to the heating water tank 15 through the return water pipeline 9 and the water pump 11; It is connected with the heating water tank 15 to form a loop, the water outlet pipe 10 of the loop is provided with a solar collector 22 and a water pump 11, and the temperature detector 20 is connected with the three water pumps 11 through wires; one side of the heating water tank 15 is provided with water outlet pipes 10 and 11 The return water pipe 9, the water outlet pipe 10 and the return water pipe 9 are connected with the heating water tank 15 to form a loop. The loop water outlet pipe 10 is provided with a meter 18, a water pump 11, and a radiator 16. The water pump 11 is connected to the second thermometer through wires. 20. The household controllers 21 are connected to each other, and the heating branch is a public composite energy heating branch.

The temperature-controlled water tank 1 can be connected with 3 to 7 thermal storage electric boilers 5. The temperature of the water in the temperature-controlled water tank 1 is monitored by the first thermometer 2 and controlled by the main controller 3. When the temperature-controlled water tank 1 When the water temperature is lower than 50°C, the water pump 11 will controlly deliver the 90°C high-temperature hot water in the thermal storage electric boiler 5 to the temperature-controlled water tank 1, and the waste heat returned from the temperature-controlled water tank 1 returns to the thermal storage electric boiler 5 through the return water pipe 9. Under the action of the hybrid damper 7 , the backflow waste heat and the high-temperature heat storage energy in the heat storage electric boiler 5 are separated.

The thermal storage electric boiler 5 uses valley electricity for heating and thermal storage, and adopts module control technology to optimize the output thermal storage energy to further save energy.

The temperature of the water in the heating water tank 15 is monitored by the temperature controller 17. When the temperature of the heating water tank 15 is lower than 45°C, the temperature controller 17 controls the water pump 11 to be connected to the temperature-controlled water tank 1. The heating water tank 15 uses a space The isolation technology design isolates the heat source water body from the user radiator 16 water body.

In the indoor composite energy heating branch, when the water temperature in the solar collector 22 is higher than 55°C, the solar collector 22 heats the radiator 16, and when the temperature value of the second thermometer 20 reaches the indoor temperature setting. When the value is fixed, the solar collector 22 provides heat source return to the heating water tank 15 , and returns the rich thermal energy to the temperature-controlled water tank 1 through the heat exchanger 14 .

In the above-mentioned public compound energy heating branch, when the water temperature in the solar collector 22 is higher than 55°C, the solar collector 22 provides heating to the heating water tank 15, and returns the rich thermal energy to the temperature-controlled water tank 1 through the heat exchanger 14. .

This technology uses valley electricity to heat and store heat to establish 90°C water temperature storage energy. When the heat supply source supplies heat to the system, the water outlet of the heat storage electric boiler 5 transmits the heat storage energy to the temperature control water tank 1 through the water pump 11 through the water outlet pipe 10. The thermal energy ensures that the water temperature of the temperature-controlled water tank 1 is 50°C working temperature, and the temperature-controlled water tank 1 can provide the heating system with 50°C water temperature working heat energy.

The temperature control water tank 1 isolates the temperature fluctuation of the system from the heat storage energy, reducing the consumption of heat storage energy. , so that the residual heat of the return flow is separated from the high temperature heat storage energy in the heat storage electric boiler 5 .

At the same time, the cut-off valve 8 at the water inlet and outlet ends of the thermal storage electric boiler 5 is used to cut off the connection between the thermal storage electric boiler 5 and the system, which is convenient for maintenance, loading and unloading under uninterrupted working conditions during heating.

In addition, the working heat energy of the temperature-controlled water tank 1 is to maintain the water temperature of 50°C, which is controlled by the main controller 3. The main controller 3 uses the module control technology to control the water pumps 11 between the thermal storage electric boilers 5 and the temperature-controlled water tank 1 to work according to the instructions. , in the mode of ensuring the heating capacity of the system with the minimum energy output, the thermal storage electric boiler 5 instructed to work transmits thermal storage energy to the temperature-controlled water tank 1 to maintain its stable working thermal energy at 50°C.

The temperature control water tank 1 converts the heat storage energy into working heat energy, and its function is to provide a heat source of working heat energy to the heating system, and supply the working heat energy to the parallel heating water tanks 15 through the water pump 11 and the conveying pipeline; The heat source and the heat storage energy are isolated from each other to reduce the loss of heat storage energy. The heating water tank 15 is connected to the radiator 16 of each user terminal through the heat exchanger 14 to supply heat energy to the user. The heating water tank 15 isolates the water body at the heat source end from the water body at the user end At the same time, the heating water tanks 15 are also isolated from each other in the water body. The adoption of this isolation technology ensures the safe operation of the system during the heat energy transfer process.

The heating water tank 15 has its own temperature controller 17, which controls the water pump 11 to obtain the required working heat energy from the heat source end, so as to ensure that the heating water body output to the user is always 45°C. [Note: The temperature isolation system uses solar heating to reduce the consumption of thermal storage energy]

Each heating water tank 15 is connected to a user group [about 5 to ²⁰ households in a 100m2 dwelling] through a conveying pipeline. According to the heating demand of the user, the household controller 21 controls the water pump 11 to obtain hot water from the heating water tank 15. , and pay heating by meter 18.

Finally, the heating water tank 15 is used as a composite energy heating platform. Through the household controller 21, the excess thermal energy of the solar collector 22 installed by the user is fed back to the heating system for a fee, and then balanced and allocated to the required users to save the thermal storage energy of the system. ; The solar collector 22 is connected to the user's heating system through the water pump 11, the conveying pipeline, and the heat exchanger 14. When the water temperature of the solar collector 22 is higher than 55 ℃, it provides heating to the user; when the user's room temperature reaches the set point When the value is set, the water pump 11 stops supplying hot water to the user, and the hot water is controlled by the household controller 21 to flow to the heating water tank 15, and then returns excess heat energy to the system through the heating water tank 15, which is balanced and distributed to each heating water tank 15 by the system.

It should be noted that the above descriptions are only preferred embodiments of the present invention, and cannot limit the implementation scope of the present invention at one time. Therefore, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (9)

1. An intelligent multi-family heating system, comprising a temperature-controlled water tank (1), a main controller (3), a power supply system (4), a thermal storage electric boiler (5), an electric heating device (6), and a hybrid damper (7), globe valve (8), water pump (11), heat exchanger (14), heating water tank (15), radiator (16), thermostat (17), meter (18), electric control three It consists of a through valve (19), a household controller (21) and a solar collector (22). 1) A number of return water pipes (9) and water outlet pipes (10) are arranged on one side, and shut-off valves (8) and water pumps (11) are arranged on both ends of the return water pipes (9) and water outlet pipes (10). The other ends of the water pipe (9) and the water outlet pipe (10) are respectively connected with the heat storage electric boiler (5), and the heat storage electric boiler (5) is provided with a first temperature measuring device (2), an electric heating device (6), a mixing The damper (7) is provided on the other side of the temperature control water tank (1) to be connected with the first sub-pipeline (12), the second sub-pipeline (13) and the third sub-pipeline (23) through pipes, and the first thermometer (2) The main controller (3) is connected with the power supply system (4) through wires, and the power supply system (4) is connected with the electric heating device (6) through wires. 2. An intelligent multi-family heating system according to claim 1, characterized in that: the other end of the first branch pipe (12) is connected to the heat exchanger (14) through a water pump (11) and a heating water tank (15) Connection, one side of the heat exchanger (14) is connected to the temperature control water tank (1) through the return pipe (9), and the other side of the heat exchanger (14) is connected to the heating system through the return pipe (9) and the water pump (11). The water tank (15) is connected; a temperature controller (17) is arranged in the heating water tank (15), and the temperature controller (17) is connected with the two water pumps (11) through wires; one side of the heating water tank (15) is provided with a water outlet The pipeline (10) and the return water pipeline (9), the return water pipeline (9) and the water outlet pipeline (10) are all connected with the heating water tank (15) to form a loop, and the loop water outlet pipeline (10) is provided with a meter (18) , a water pump (11), a radiator (16), the water pump (11) is connected with the second thermometer (20) and the household controller (21) through wires, and the heating branch is an indoor heating branch. 3. An intelligent multi-household heating system according to claim 1, characterized in that: the other end of the second branch pipe (13) is connected to the heat exchanger (14) through the water pump (11) and the heating water tank (15) Connection, one side of the heat exchanger (14) is connected to the temperature control water tank (1) through the return pipe (9), and the other side of the heat exchanger (14) is connected to the heating system through the return pipe (9) and the water pump (11). The water tank (15) is connected; a temperature controller (17) is arranged in the heating water tank (15), and the temperature controller (17) is connected with the two water pumps (11) through wires; one side of the heating water tank (15) is provided with a water outlet The pipeline (10) and the return water pipeline (9), the water outlet pipeline (10) and the return water pipeline (9) are connected with the heating water tank (15) to form a loop, and the loop water outlet pipeline (10) is provided with a meter (18), A water pump (11), a radiator (16), two electrically controlled three-way valves (19), and the two electrically controlled three-way valves (19) are connected to the solar collector (22) through a water outlet pipe (10), and the solar energy The heat collector (22) is provided with a temperature detector (20), and the household controller (21) is connected to the temperature detector (20), the electronically controlled three-way valve (19), the water pump (11), the second The temperature detector (20) is connected, and the heating branch is an indoor composite energy heating branch. 4. An intelligent multi-household heating system according to claim 1, characterized in that: the other end of the third branch pipe (23) is connected to the heat exchanger (14) through the water pump (11) and the heating water tank (15) Connection, one side of the heat exchanger (14) is connected to the temperature control water tank (1) through the return pipe (9), and the other side of the heat exchanger (14) is connected to the heating system through the return pipe (9) and the water pump (11). The water tanks (15) are connected to each other; the heating water tank (15) is provided with a thermostat (17), and the upper end of the heating water tank (15) is provided with a return water pipe (9) and a water outlet pipe (10), and the return water pipe (9) and The water outlet pipe (10) is connected with the heating water tank (15) to form a loop, the loop water outlet pipe (10) is provided with a solar collector (22) and a water pump (11), and the thermometer (20) is connected to the three water pumps through wires (11) are connected; one side of the heating water tank (15) is provided with a water outlet pipe (10) and a return water pipe (9), and the water outlet pipe (10) and the water return pipe (9) are connected with the heating water tank (15) to form a loop , the loop water outlet pipe (10) is provided with a meter (18), a water pump (11), a radiator (16), and the water pump (11) communicates with the second thermometer (20) and the household controller (21) Connected to each other, the heating branch is a public composite energy heating branch. 5. An intelligent multi-household heating system according to claim 1, characterized in that: the temperature control water tank (1) can be connected with 3 to 7 thermal storage electric boilers (5), and the temperature control water tank (1) The temperature of the water is monitored by the first thermometer (2) and controlled by the main controller (3). When the temperature of the water in the temperature control water tank (1) is lower than 50°C, the water pump (11) will move the heat storage boiler (5). The 90°C high-temperature hot water is controlled and delivered to the temperature-controlled water tank (1), and the waste heat returned from the temperature-controlled water tank (1) is returned to the heat storage electric boiler (5) through the return water pipe (9), and is in the mixing damper (7). Under the action, the backflow waste heat and the high temperature heat storage energy in the heat storage electric boiler (5) are separated. 6. An intelligent multi-household heating system according to claim 1, characterized in that: the thermal storage electric boiler (5) adopts valley electricity for heating and thermal storage, and adopts module control technology to optimize the output thermal storage energy to further save energy. 7. An intelligent multi-household heating system according to claim 1, characterized in that: the temperature of the water in the heating water tank (15) is monitored by a thermostat (17), and when the temperature of the heating water tank (15) is low At 45°C, the thermostat (17) controls the water pump (11) to be connected to the temperature control water tank (1), and the heating water tank (15) is designed with space isolation technology to isolate the heat source water body from the user radiator (16) water body . 8. The intelligent multi-household heating system according to claim 3, characterized in that: in the indoor composite energy heating branch, when the water temperature in the solar collector (22) is higher than 55°C, the solar collector (22) (22) Heating the radiator (16), when the temperature value of the second thermometer (20) reaches the indoor temperature set value, the solar collector (22) provides the heat source to return to the heating water tank (15), and passes through the The heat exchanger (14) returns the rich thermal energy to the temperature-controlled water tank (1). 9. An intelligent multi-household heating system according to claim 4, characterized in that: in the public compound energy heating branch, when the water temperature in the solar collector (22) is higher than 55°C, the solar collector (22) (22) Heating is provided to the heating water tank (15), and the rich thermal energy is returned to the temperature-controlled water tank (1) through the heat exchanger (14).

Images