CN207365149U - A kind of solar energy composite utilizes system - Google Patents

Abstract

The utility model discloses a solar energy comprehensive utilization system, which comprises a solar heat collecting unit, a water tank and a floor heating coil; The first branch is connected with the three layers of the water tank, the second layer of the water tank forms a circuit with the floor heating coil and the solar collector plate group, the first layer of the water tank is connected with the domestic water pipelines such as water baths, and the third layer is connected with the kitchen, etc Domestic water pipe connection. The utility model realizes the intelligent opening of different temperature control valves by setting the threshold values of the three branch temperature control valves, so that water of different temperatures enters the corresponding water tank stratification, and then according to actual living needs, the The water outlets of different temperature layers are connected to the pipes with different temperature water demands to meet the temperature of bathing water, kitchen water and ground heating water, and at the same time improve the reasonable distribution and utilization rate of hot water.

Description

A solar energy comprehensive utilization system

technical field

The utility model belongs to the field of integrated design of solar energy and buildings, in particular to an intelligent comprehensive utilization system of solar energy.

Background technique

Solar buildings are an effective means of utilizing renewable energy, among which solar heating is of great significance to reduce energy consumption and improve indoor thermal comfort of buildings. At present, the end form of solar heating is mainly based on low-temperature floor radiation heating, but on the one hand, due to the overall uniform coil spacing in the same functional room, thermal inhomogeneity occurs in the room, especially in different irradiated areas in deep and large rooms; The hot water of different temperatures obtained by the collector at different times is mixed in the same water tank, which cannot be reasonably distributed and utilized according to the hot water needs of different functions and functions at different times, resulting in low solar energy utilization, so further improvement is necessary.

Contents of the invention

Aiming at the defects existing in the prior art, the purpose of this utility model is to provide a comprehensive utilization system of solar energy to solve the problems of non-uniformity of room heat and low utilization rate of solar energy in the prior art.

In order to solve the above technical problems, the utility model adopts the following technical solutions to achieve:

A comprehensive utilization system of solar energy, comprising a solar heat collection unit, a water tank and a floor heating coil;

The solar heat collecting unit includes a solar heat collecting plate group, a sunshade unit, a sensor and a control unit;

The inclination angle of the solar collector plate group is adjustable;

The control unit is connected with the sensor, the solar heat collecting plate group, and the sunshade unit, and adjusts the opening and closing of the sunshade unit and the inclination angle of the solar heat collecting plate group;

The water tank is divided into the first layer, the second layer and the third layer through the partition board, and the solar collector plate group is connected with the three layers of the water tank through three branches, and the three branches are connected to each other. All are equipped with temperature control valves; the connecting pipeline between the solar heat collecting plate group and the water tank is equipped with an automatic exhaust valve;

The water outlet of the first layer of the water tank is connected to domestic water pipelines such as water baths;

The water outlet of the second layer of the water tank is connected to the water inlet of the floor heating coil through the sub-collector, the water outlet of the floor heating coil is connected to the solar heat collector group through the return pipe, and the return pipe is connected to the water tank The connection of the third layer;

The first layer of the water tank is connected to the second layer through a connecting pipe, and a fourth temperature control valve is provided on the connecting pipe;

The water outlet of the third layer of the water tank is connected with domestic water pipelines such as kitchens.

The utility model also has the following distinguishing technical features:

A first temperature control valve is provided at the water inlet of the first layer of the water tank, and the water temperature threshold of the first temperature control valve is not less than 60°C; a second temperature control valve is provided at the water inlet of the second layer of the water tank, and the water temperature threshold of the first temperature control valve is not less than 60°C; The water temperature threshold of the second temperature control valve is between 50°C and 60°C; the third temperature control valve is installed at the water inlet of the third layer of the water tank, and the water temperature threshold of the third temperature control valve is between 30°C and 50°C .

There are multiple water tanks, and the same temperature layers of adjacent water tanks are connected through connecting pipes, and ball valves are arranged on the connecting pipes; the second layer of the multiple water tanks is connected in parallel to the manifold through connecting pipes, The connecting pipe is provided with an electric valve; the first layer and the second layer of the water tank are provided with electric heating devices.

The fifth temperature control valve is provided on the connecting pipeline between the second layer of the water tank and the sub-collector, and the pipeline is also connected to the tap water pipeline; the first layer of the water tank is connected to the tap water pipeline; The water pipe is connected with the tap water pipeline.

The floor heating coils are divided according to the different irradiated areas of the room, and the coils are laid according to the densely populated area near the window, the sparsely distributed area in the middle, and the regular area far from the window.

The window is a double-glazed window, the outer window of the double-glazed window is inclined, and the inclination angle is set according to the local geographical latitude to maximize solar energy; In the interlayer of the double-glazed window, the sunshade unit and the sensor are arranged on the outer window.

Both the outer window and the inner window of the double-glazed window are provided with openable fans, one end of the openable fan can rotate around the window, and the other end of the openable fan is connected to the bottom of the window through the telescopic rod. connection; the control unit controls the opening and closing of the openable fan.

The sensors include radiation heat flow sensors, light sensors and temperature sensors.

The solar heat collecting plate group includes a solar heat collecting plate, a fixing frame and a rotating shaft, and the rotating shaft is installed on a pre-embedded part of the wall; the fixing frame is a galvanized steel frame and is rigidly connected with the rotating shaft; the solar energy The heat collecting plate is installed on the fixed frame.

The sunshade unit includes a motor, a rotating system, louvers and a pull cord, the motor is connected to the rotating system, the pull cord is connected to the rotating system, the louvers are connected in series through the pull cord; the motor drives the rotating system to rotate, and then controls the The pull cord changes the angle of rotation of the louvers.

Compared with the prior art, the beneficial effects of the utility model are:

(1) The utility model realizes the intelligent opening of different temperature control valves by setting the threshold values of the first temperature control valve, the second temperature control valve and the third temperature control valve, so that water of different temperatures enters the corresponding The water tanks are layered; then, according to the actual living needs, the water outlets of different temperature layers are connected to the pipes of different temperature water needs, which can meet the temperature of bathing water, kitchen water and ground radiant water, and improve the rationality of hot water. Allocate usage.

(2) The utility model is provided with a fourth temperature control valve between the hot water layer and the warm water layer. Through the intelligent opening of the fourth temperature control valve, too much hot water in the hot water layer enters the warm water layer to realize the heating of hot water. Effective utilization; and the utility model can be based on the actual water consumption required by the household, the number of solar collector plates in the solar panel group mechanism and the capacity of the water tank can be connected in parallel.

(3) In the utility model, the solar heat collecting plate is set in the interlayer between the double-glazed windows, and the outer window is set to be inclined, and the inclination angle is set according to the local geographical latitude; Under the premise of surface design and safety requirements, it not only ensures the optimization of solar heat collection area and window area, but also improves the integration of solar energy and buildings.

(4) The utility model uses the control unit to centrally control the sunshade louver system in the outer layer of the window, the openable fan of the hollow glass window and the solar panel group mechanism, and realizes the intelligent opening of the window and the intelligent rotation of the solar panel group mechanism. It not only improves the heat collection efficiency of solar panels, but also improves the problem of poor indoor thermal comfort caused by the high temperature of the working medium in the solar heat collection pipeline; it also improves the ventilation efficiency of windows in the transition season and summer and the insulation in winter Effect.

(5) In the layout of floor heating coils in this utility model, the coil spacing is divided by different irradiation areas in the same functional room facing south, and the coils are laid according to the densely distributed area near the windows, the sparsely distributed area in the middle, and the conventional area far from the windows. Improve the phenomenon of uneven heating of the room.

(6) The utility model patent combines measurement components, control components and execution components, realizes the integration of measurement and control and electromechanical, makes the device more convenient to use and has good promotion and practical value, and has good economic and social benefits .

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the system of the present invention.

Fig. 2 is the structural schematic diagram of the intelligent window of the utility model that the heat collecting plate group and the window are integrated; (a) is the side view of the window structure, (b) is the front view of the window structure, (c) is the solar collector Schematic diagram of the structure of the hot plate.

Fig. 3 is a structural schematic diagram of a layered water storage device for solar heat collection of the present invention.

The labels in the figure are represented as: 1-water tank, 2-floor heating coil, 3-window, 4-solar collector plate group, 5-shading unit, 6-sensor, 7-control unit, 9-automatic exhaust valve , 10-water bath and other domestic water pipelines, 11-water collector, 12-return pipe, 13-connecting pipe, 14-fourth temperature control valve, 15-kitchen and other domestic water pipelines, 16-ball valve, 17-electric Valve, 18-electric heating device, 19-fifth temperature control valve, 20-tap water pipeline, 21-mixing pump;

(1-1)-first layer, (1-2)-second layer, (1-3)-third layer, (1-4)-partition, (1-5)-shell, (1 -6)-insulation layer, water inlet pipe (1-7), water outlet pipe (1-8);

(3-1)-outer window, (3-2)-inner window, (3-3)-openable fan, (3-4)-intermediate layer, (3-5)-telescopic rod;

(4-1)-solar collector plate, (4-2)-fixed frame, (4-3)-rotating shaft;

(5-1)-motor, (5-2)-rotating system, (5-3)-louver, (5-4)-pull rope;

(6-1)-radiative heat flow sensor, (6-2)-light sensor, (6-3)-temperature sensor, (6-4)-base plate;

(8-1)-the first temperature control valve, (8-2)-the second temperature control valve, (8-3)-the third temperature control valve.

The specific content of the present utility model will be further explained in detail below in conjunction with the accompanying drawings and specific embodiments.

Detailed ways

The specific embodiments of the present utility model are provided below, and it should be noted that the present utility model is not limited to the following specific embodiments, and all equivalent transformations done on the basis of the technical solution of the application all fall into the protection scope of the present utility model.

Example 1

As shown in Figures 1 to 3, this embodiment provides a comprehensive solar energy utilization system, including a solar heat collection unit, a water tank 1 and a floor heating coil 2;

The solar heat collecting unit comprises a solar heat collecting plate group 4, a sunshade unit 5, a sensor 6 and a control unit 7; the solar heat collecting plate group 4 comprises a solar heat collecting plate 4-1, a fixed mount 4-2 and a rotating shaft 4-3, 4-3 is installed on the embedded part of the wall; the fixed frame 4-2 is a galvanized steel frame, which is rigidly connected with the rotating shaft 4-3; the solar collector plate 4-1 is installed on the fixed frame 4-2, and the solar collector The heat plate 4-1 can rotate around the rotating shaft 4-3, so that the inclination angle of the heat collecting plate can be adjusted. The solar heat collecting plate 4-1 is an all-glass vacuum heat collecting tube, and the working fluid in the heat collecting tube is water. The quantity of the solar heat collecting panels 4-1 can be calculated according to the resident population and the size of the room, and the arrays are connected in parallel.

The sunshade unit 5 includes a motor 5-1, a rotating system 5-2, a louver 5-3 and a stay rope 5-4, the motor 5-1 is connected to the turning system 5-2, and the stay rope 5-4 is connected to the turning system 5-2 The louvers 5-3 are connected in series through the stay ropes 5-4; the motor drives the rotation system to rotate, and then controls the stay ropes to change the rotation angle of the louvers.

The radiation heat flow sensor 6-1, the light sensor 6-2 and the temperature sensor 6-3 are respectively connected on the control unit 7, and the radiation heat flow sensor 6-1, the light sensor 6-2 and the temperature sensor 6-3 monitor the outdoor temperature and the sun height Angle changes and solar radiation intensity, the signal is transmitted to the control unit 7. The radiation heat flow sensor 6-1 is provided with the solar radiation intensity threshold of the city to which it belongs. When it is greater than this value, the louvers 5-3 will be closed, that is, perpendicular to the sun’s rays; Threshold, when the temperature is high or low, the fan 3 can be turned off; when the temperature is medium and the solar radiation intensity is positive, the fan 3-3 can be turned on, and the ventilation effect has been reached.

The water tank 1 is divided into the first layer 1-1, the second layer 1-2 and the third layer 1-3 through the dividing plate 1-4, the first layer is a hot water layer, the second layer is a warm water layer, and the third layer is a Each layer of the low-temperature water layer is connected with a water inlet pipe 1-7 and an outlet pipe 1-8, and each water inlet pipe 1-7 is provided with a uniform temperature control valve. The heat collecting tube of the solar heat collecting plate 4-1 is connected with three layers of the water tank through three branches, and an automatic exhaust valve 9 is provided on the connecting pipeline to generate the gas in the heating process of the drain.

The water inlet pipe 1-7 of the first layer 1-1 of the water tank is provided with a first temperature control valve 8-1, and the water temperature threshold of the first temperature control valve 8-1 is not less than 60°C; the water inlet pipe of the second layer 1-2 of the water tank 1-7 is provided with a second temperature control valve 8-2, the water temperature threshold of the second temperature control valve 8-2 is between 50°C and 60°C; There is a third temperature control valve 8-3, and the water temperature threshold of the third temperature control valve 8-3 is between 30°C and 50°C.

The first layer 1-1 and the second layer 1-2 are connected through the connecting pipe 13, and the connecting pipe 13 is provided with a fourth temperature control valve 14. layer) when the water yield was too much, hot water entered the warm water layer by connecting pipe 13.

The outlet pipe 1-8 of the first floor 1-1 of the water tank is connected with water pipelines 10 in toilets such as water baths, and supplies domestic hot water such as bathing; The water pipeline 15 is connected for domestic hot water such as washing vegetables.

The second layer 1-2 of the water tank is connected to the water inlet of the floor heating coil 2 through the connecting pipe 13 and the sub-collector 11 to provide ground radiation heating. In the form of spacing, the coils are laid according to the densely populated area near the window, the sparsely distributed area in the middle, and the regular area far from the window. The water outlet of the floor heating coil 2 is connected to the heat collecting pipe of the solar collector plate 4-1 through the return pipe 12, and the return pipe 12 is connected to the third layer 1-3 of the water tank.

There is a fifth temperature control valve 19 on the connecting pipeline between the second layer 1-2 of the water tank and the sub-collector 11. This pipeline is also connected to the tap water pipeline 20 through the mixing pump 21 and the electric valve 17. When the water temperature required by the coil is higher When low, the water in the second layer of the water tank is mixed with the tap water pipeline and flows into the water sub-catchment 11.

An electric heating device 18 can be arranged in the first layer 1-1 and the second layer 1-2 of the water tank. 18 starts heating to meet the needs of shower hot water and ground radiation heating respectively.

In order to meet a large amount of water consumption and reduce the floor area of the water tank, multiple water tanks 1 can be provided, and the number of water tanks can be determined according to the actual water consumption required by the residents. The same temperature layers of adjacent water tanks are connected through the connecting pipe 13, and the connecting pipe 13 is provided with a ball valve 16; An electric valve 17 is provided on it.

The difference between another technical solution and Embodiment 1 is: the solar thermal collector plate group 4, the sunshade unit 5, the sensor 6 and the control unit 7 are arranged on the form 3; the form 3 is a double-glazed window, and the double-glazed window The outer window 3-1 is inclined, and the inclination angle is set according to the local geographical latitude to maximize solar energy gain. The outer layer window 3-1 of double-glazed window and the lower part of inner layer window 3-2 are all provided with and can open fan 3-3, and an end of fan 3-3 that can be opened can rotate around form 3, and fan can be opened. The other end of the other end is connected with form bottom by telescopic rod 3-5. The solar collector plate group 4 is set in the middle interlayer 3-4 of the double-glazed window, and the sunshade unit 5 is set on the outer window 3-1; the radiation heat flow sensor 6-1, the light sensor 6-2 and the temperature sensor 6- 3 is located on the base plate 6-4, and the base plate 6-4 is installed on the outer layer window 3-1. The control unit 7 is also connected with the window 3 , the solar collector plate group 4 and the sunshade unit 5 .

The control method of the solar energy comprehensive utilization system of the present utility model specifically comprises:

In the morning, when the radiation heat flow sensor 6-1 senses the solar radiation intensity, that is, when the solar radiation intensity is greater than zero, if the temperature sensor 6-3 senses that the outdoor temperature value is less than the average temperature of the hottest month in the local area and not less than the coldest month in the local area During the average temperature of the temperature (such as summer and part of the transition season in the morning), the control unit 7 controls the window controller to open the hollow glass window to open the fan 3-3 and rotate the solar collector plate 4-1, and make the inclination angle of the two is the latitude angle of the city to which it belongs; at the same time, the light sensor 6-2 starts to track the variation of the solar altitude angle, and the control module controls the window opening controller to rotate the solar collector plate 4-1 and controls the sunshade system to rotate the louvers 5-3, so that the solar energy The heat collecting plate 4-1 is always kept perpendicular to the sun's rays, and the louver 5-3 is always kept parallel to the sun's rays, so as to ensure that the solar energy maximizes the heat collecting area.

But if the temperature sensor 6-4 senses that the outdoor temperature value is less than the average temperature of the coldest month in the local area (such as the morning in winter and some transitional seasons), the control module controls the window controller to close the indoor and outdoor hollow glass windows and open the fan 3 -3. To prevent the outdoor cold wind from entering the room, the solar collector plate 4-1 is still in working condition. After the solar thermal collector plate 4-1 starts to collect heat, according to the solar thermal collector plate collects solar energy in different periods to heat water at different temperatures, and the water outlet is set by three temperature control valve thresholds (not less than 60°C, not less than 50°C) ℃ and less than 60 ℃, not less than 30 ℃ and less than 50 ℃) control the hot water layer, warm water layer, and low temperature water layer entering the water tank 1, the hot water layer directly supplies domestic hot water such as bathing, and the warm water layer directly supplies ground radiation heating , the low-temperature water layer is directly used for domestic hot water such as washing vegetables and replenishing water for solar collector panels. When the water in the warm water layer is insufficient or the water in the hot water layer is too much, hot water enters the warm water layer through the connecting pipe, and when the outlet water temperature of the hot water layer and the warm water layer of the water tank does not reach the threshold set by the temperature control valve 14, the electric auxiliary heater 18 starts Heating to meet the needs of shower hot water and geothermal heating respectively. in

The warm water layer ground heating coil 2 of the water tank 1, the tap water is mixed with the water in the warm water layer outlet pipe 1-8 of the water tank through the water mixing pump 21, and the temperature required for ground radiation heating is controlled by the temperature control valve 19. The device 11 respectively controls the room coil system (such as bedroom, living room, kitchen and bathroom) for daytime hours. The return water of the room coil system returns to the solar thermal collector plate 4-1 through the sub-collector 11 and the mixed water pump 21. If the water is insufficient, it can be replenished by the low-temperature layer water of the water tank or tap water. The hot water layer of the water tank communicates with the warm water layer through the connecting pipe 13. When the water in the warm water layer is insufficient or the water in the hot water layer is too much, the hot water enters the warm water layer through the connecting pipe, and the outlet water temperature of the hot water layer and the warm water layer of the water tank does not reach the temperature. When the threshold value set by the control valve 14 is reached, the electric auxiliary heater 18 starts heating to meet the needs of ground radiation heating.

At noon, when the radiant heat flow sensor 6-1 senses that the solar radiation intensity is greater than the average value of the local radiation intensity maximum month, if the temperature sensor 6-3 senses that the outdoor temperature value is less than the local temperature average value of the hottest month and not less than the local maximum temperature value. When the temperature is average in cold months (such as some transitional seasons and summer), the control module controls the sunshade louvers 5-3 to rotate and close, that is, to be perpendicular to the sun’s rays, so as to achieve the purpose of stopping heat collection by the solar collector plate, but at this time the insulating glass The window can be opened and the fan 3-3 is still opened to enhance indoor and outdoor ventilation;

If the temperature sensor senses that the outdoor temperature value is not less than the temperature average value of the hottest month in the local area (such as at noon in summer), the control unit 7 controls the window controller to close the indoor and outdoor hollow glass windows and open the fan 3-3 to avoid outdoor Hot (cold) wind enters the room.

If the temperature sensor senses that the outdoor temperature value is less than the local coldest month's average temperature (such as winter), the control unit controls the rotation of the solar collector plate 4-1 so that its inclination is the latitude angle of the city; 2 Start to track the change of the solar altitude angle, the control unit controls the window opening controller to rotate the solar heat collecting plate 4-1 and controls the sunshade system to rotate the louvers 5-3, so that the solar heat collecting plate 4-1 is always kept perpendicular to the sun’s rays 1. The louvers are always kept parallel to the sun's rays to ensure that the solar energy maximizes the heat collection area. After the solar heat collecting plate 4-1 starts collecting heat, the working conditions of the water tank 1 and the ground radiation heat are the same as in the morning.

In the afternoon, when the radiation heat flow sensor senses that the solar radiation intensity is greater than zero and less than the average value of the local radiation intensity maximum month, if the temperature sensor senses that the outdoor temperature value is not less than the local temperature average value of the hottest month (such as summer) and less than the local During the average temperature of the coldest month (such as winter), the control unit 7 controls the sunshade louvers 3-3 to rotate and open, and keeps the louvers 3-3 parallel to the sun's rays to ensure that the solar energy maximizes the heat collection area; the control unit 7 Control the window controller to close the indoor and outdoor hollow glass windows and open the fan 3-3 to prevent the outdoor hot (cold) wind from entering the room. If the temperature sensor senses 6-3 that the outdoor temperature value is less than the local average temperature of the hottest month and not less than the local average temperature of the coldest month (such as summer and transition season), the control unit controls the window controller to open the hollow window. The glass windows can be opened to enhance indoor and outdoor ventilation. After the solar heat collecting plate 4-1 starts collecting heat, the working conditions of the layered water tank and the ground radiation heat are the same as the morning period.

At night, when the radiation heat flow sensor senses that the solar radiation intensity is less than zero, if the temperature sensor senses that the outdoor temperature value is not less than the average temperature of the hottest month in the local area (such as summer) and is less than the average temperature of the coldest month in the local area ( Such as winter), the control module controls the window controller to close the hollow glass window and can open the fan 3-3 and the rotating solar collector plate 4-1 to be in a vertical state, and the shutter 5-3 is closed; if the temperature sensor 6-3 senses the outdoor temperature When the value is less than the average temperature of the local hottest month and not less than the average temperature of the local hottest month (such as summer and transition season), the control unit 7 controls the window controller to open the hollow glass window and open the fan 3-3 to Enhance indoor and outdoor ventilation. The warm water layer (first floor 1-2) of the water tank 1 is connected to the room floor heating coil 2, and the tap water is mixed with the water in the warm water layer outlet pipe 1-8 of the water tank 1 through the mixing pump 21, and is controlled by the temperature control valve 19 to reach the ground radiation. The temperature required by thermal heating is respectively controlled by the sub-collector 11 for the room coil system (such as bedroom and bathroom) at night. The return water of the room coil system returns to the pipeline of the solar collector plate 4-1 through the sub-collector 11 and the water mixing pump 21. If the water is insufficient, it can pass through the low-temperature layer of the water tank (the third layer 1-3). Water or tap water for rehydration. The hot water layer (the first layer 1-1) of the water tank communicates with the warm water layer through the connecting pipe 13. When the water in the warm water layer is insufficient or the water in the hot water layer is too much, the hot water enters the warm water layer through the connecting pipe, and the hot water layer and warm water in the water tank When the outlet water temperature of the layer does not reach the threshold set by the temperature control valve 14, the electric heating device 18 starts heating to meet the heating needs of the ground radiation.

Claims (10)

1. A solar energy comprehensive utilization system is characterized in that: comprising a solar heat collecting unit, a water tank (1) and a floor heating coil (2); The solar heat collecting unit includes a solar heat collecting plate group (4), a sunshade unit (5), a sensor (6) and a control unit (7); The inclination angle of the solar thermal collector plate group (4) is adjustable; The control unit (7) is connected with the sensor (6), the solar heat collecting plate group (4), and the sunshade unit (5), and adjusts the opening and closing of the sunshade unit and the inclination angle of the solar heat collecting plate group; The water tank (1) is divided into a first layer (1-1), a second layer (1-2) and a third layer (1-3) through a partition (1-4), and the solar heat collecting The plate group (4) is connected with the three layers of the water tank through three branches, and temperature control valves are arranged on the three branches; the solar heat collecting plate group (4) and the water tank (1) An automatic exhaust valve (9) is provided on the connecting pipeline; The water outlet of the first layer (1-1) of the water tank is connected with domestic water pipelines (10) such as water baths; The water outlet of the second layer (1-2) of the water tank is connected to the water inlet of the floor heating coil (2) through the manifold (11), and the water outlet of the floor heating coil (2) is connected through the return pipe (12) be connected with the solar thermal collector plate group (4), and the connection of the return pipe (12) and the third layer (1-3) of the water tank; The connection between the first layer (1-1) and the second layer (1-2) of the water tank is connected through a connecting pipe (13), and a fourth temperature control valve (14) is provided on the connecting pipe (13). ); The water outlet of the third layer (1-3) of the water tank is connected with domestic water pipelines (15) such as kitchens. 2. The comprehensive solar energy utilization system according to claim 1, characterized in that: a first temperature control valve (8-1) is provided at the water inlet of the first layer (1-1) of the water tank, and the first temperature control valve The water temperature threshold of the valve (8-1) is not less than 60°C; A second temperature control valve (8-2) is provided at the water inlet of the second layer (1-2) of the water tank, and the water temperature threshold of the second temperature control valve (8-2) is between 50°C and 60°C; A third temperature control valve (8-3) is provided at the water inlet of the third layer (1-3) of the water tank, and the water temperature threshold of the third temperature control valve (8-3) is between 30°C and 50°C. 3. The solar energy comprehensive utilization system as claimed in claim 1, characterized in that: there are multiple water tanks (1), and the same temperature layers of adjacent water tanks are connected through connecting pipes (13), and the connecting pipes ( 13) is provided with a ball valve (16); the second layer (1-2) of the plurality of water tanks is connected in parallel to the sub-collector (11) through the connecting pipe (13), and the connecting pipe (13) An electric valve (17) is provided; An electric heating device (18) is arranged in the first layer (1-1) and the second layer (1-2) of the water tank. 4. The solar energy comprehensive utilization system as claimed in claim 1, characterized in that: the fifth temperature control valve ( 19), the pipeline is also connected with the water pipe (20); the first layer (1-1) of the water tank is connected with the water pipe (20); the return pipe (12) is connected with the water pipe (20) connect. 5. The comprehensive utilization system of solar energy as claimed in claim 1, characterized in that: said floor heating coil (2) divides the coil spacing form according to the different irradiation areas of the room, according to the densely populated area near the window, the sparsely distributed area in the middle and Lay coils in conventional areas far from windows. 6. The comprehensive utilization system of solar energy as claimed in claim 1, characterized in that: the solar heat collection unit is arranged on the window (3), and the window (3) is a double-glazed window, and the The outer window (3-1) of the double-glazed window is inclined, and the inclination angle is set according to the local geographical latitude to maximize solar energy; The solar thermal collector plate group (4) is arranged in the interlayer (3-4) of the double-glazed window, and the sunshade unit (5) and the sensor (6) are arranged in the outer layer window (3-1) superior. 7. The comprehensive utilization system of solar energy as claimed in claim 6, characterized in that: the outer window (3-1) and the inner window (3-2) of the double-glazed window are provided with openable fans. (3-3), one end of the openable fan (3-3) can rotate around the window, and the other end of the openable fan is connected to the bottom of the window through a telescopic rod (3-5); the control unit (7) Control the opening and closing of the openable fan (3-3). 8. The comprehensive solar energy utilization system according to claim 1, characterized in that: said sensor (6) includes a radiation heat flow sensor (6-1), a light sensor (6-2) and a temperature sensor (6-3) . 9. The comprehensive utilization system of solar energy as claimed in claim 1, characterized in that: the solar thermal collector plate group (4) comprises a solar thermal collector plate (4-1), a fixed frame (4-2) and a rotating shaft ( 4-3), the rotating shaft (4-3) is installed on the embedded part of the wall; the fixing frame (4-2) is a galvanized steel frame, which is rigidly connected with the rotating shaft (4-3); the described The solar heat collecting plate (4-1) is installed on the fixed frame (4-2). 10. The comprehensive utilization system of solar energy according to claim 1, characterized in that: the sunshade unit (5) comprises a motor (5-1), a rotating system (5-2), louvers (5-3) and pull cords (5 -4), the motor (5-1) is connected with the rotation system (5-2), the stay cord (5-4) is connected with the rotation system (5-2), and the shutter (5-2) is connected with the rotation system (5-2). 3) connected in series through the pull cords (5-4); the motor drives the rotation system to rotate, and then controls the pull cords to change the rotation angle of the louvers.