CN203757935U - Water air conditioning system capable of providing indoor heating and refrigerating - Google Patents

Abstract

The utility model discloses a water air-conditioning system capable of providing indoor heating and cooling, which comprises an air circulation system and a water circulation system. Reversing valve, air guide pipe, first cold heat exchanger, second cold heat exchanger, exhaust fan pipe and exhaust fan; water circulation system includes solar collector water tank, cellar storage tank, water separator and collector Water heater, between the solar collector water tank and the heat exchange tank, through the heat source outlet pipe, circulation pump, water separator, water inlet pipe of the heat exchange tank, return pipe of the heat exchange tank, water collector, micro pressure regulating pump and heat source return The water pipe forms a heating pipeline; a cooling pipeline is formed between the cellar storage tank and the heat exchange tank. Compared with the existing air conditioner, the air conditioner system of the utility model can reduce the manufacturing cost by more than 50%, and has the advantages of low power consumption, no pollution and the like.

Description

A water air conditioning system that can provide indoor heating and cooling

technical field

The utility model relates to an air conditioning system technical field, in particular to a water air conditioning system that can provide indoor heating and cooling.

Background technique

Scientists say that knowing new energy sources and using them correctly means knowing the way to the future. At present, the problem of resources and energy is becoming more and more serious. While ensuring comfort and health requirements, how to effectively and rationally allocate and utilize resources and reduce conventional energy consumption has become a problem that people have to face. In recent years, the domestic market economy has developed rapidly, the internal structure of enterprises and industries is constantly changing, and the market competition is fierce. Affected by the relationship between market supply and demand, China's air-conditioning industry has developed rapidly, and new intelligent air-conditioning has occupied the market with a huge capacity. Although the existing air conditioners are ever-changing in appearance, they still cannot change the essential attributes of "chemical refrigeration and heating". In addition, the existing air conditioners consume a lot of power and have high manufacturing costs. There are also some problems in the installation and practical process. For example, the outdoor unit will transfer a lot of heat to the environment during use. It does not meet the requirements of energy saving, emission reduction and environmental protection. The existing household heating equipment and the existing common air conditioner have the disadvantages of high production cost, large power consumption during use, and environmental pollution.

To sum up: the existing household heating and cooling equipment and the existing common air conditioners have the disadvantages of high production cost, large power consumption during use and certain environmental pollution.

Contents of the invention

Purpose of the invention: In order to overcome the deficiencies in the prior art, the utility model provides a water air-conditioning system, which can not only realize heating and cooling, but also overcome the disadvantage of large power consumption of ordinary air-conditioning.

Technical scheme: in order to achieve the above object, the technical scheme of the utility model is as follows:

A water air-conditioning system that can provide indoor heating and cooling, including an air circulation system and a water circulation system, wherein:

The air circulation system includes, intake fan, intake fan pipe, ventilation fan, ventilation fan pipe, water exchange tank, three-way reversing valve, air guide pipe, first cold and heat exchanger, second cold and heat exchanger, exhaust fan Pipeline and exhaust fan, the first cold heat exchanger and the second cold heat exchanger are arranged inside the water exchange tank and connected in series, at the front end of the first cold heat exchanger and the second cold heat exchanger The rear end of the device is respectively connected with the air guide pipe, the three-way reversing valve is arranged on the air guide pipe at the front end of the first cold and heat exchanger, and the ventilation fan pipe is connected to the three-way reversing valve On one port of the water exchange tank, the air inlet fan pipe is arranged on one side of the water exchange tank, and the exhaust fan pipe is arranged on the other side of the water exchange water tank. One end of the air inlet fan pipe is connected to the The air intake fan is connected, and the other end of the air intake fan pipe passes through the inner wall on one side of the heat exchange tank and is connected to the air guide pipe at the front end of the first cold and heat exchanger; the other end of the exhaust fan pipe is connected to the exhaust fan ;

The water circulation system includes a solar collector water tank, a cellar water storage tank, a water separator and a water collector. The solar collector water tank includes a vacuum heat collector tube, a water tank bracket, a heat source outlet pipe and a heat source return pipe; the cellar The reservoir has a cold source outlet pipe and a cold source return pipe; the two ends of the heat exchange tank are also connected to the water exchange tank inlet pipe and the heat exchange tank return water pipe respectively, and the water exchange tank inlet pipe is provided with The water inlet valve of the heat exchange tank is provided with a water exchange tank return valve on the return pipe of the heat exchange tank, and the water separator and the circulating pump are connected to the water inlet pipe of the heat exchange tank. The return pipe of the hot water tank is connected to the water collector and the micro-pressure regulating pump, and the water inlet of the circulation pump, the water outlet of the cold source water outlet pipe and the water outlet of the heat source water outlet pipe are connected to the three outlets of the first tee. On the port; the water outlet of the micro regulator pump, the return port of the cold source return pipe and the return port of the heat source return pipe are connected on the three ports of the second tee; The heating pipeline is formed between the water tanks through the heat source outlet pipe, circulation pump, water separator, water exchange tank inlet pipe, heat exchange tank return pipe, water collector, micro pressure regulating pump and heat source return pipe; in the cellar The connection between the reservoir and the heat exchange tank is formed by the cold source outlet pipe, circulation pump, water separator, water inlet pipe of the heat exchange tank, return pipe of the heat exchange tank, water collector, micro pressure regulating pump and the return pipe of the cold source Refrigeration lines.

The upper part of the solar water collecting tank is provided with a water inlet pipe connected with an electronic water inlet valve, and a water level controller is installed on the upper end of the inner wall of the solar collecting water tank. The signal input terminal is connected, the lower part of the hot water tank is provided with a shower water outlet connected with a shower water pipe, and an overflow pipe is arranged on the outer wall of the hot water tank; the middle bottom plate of the hot water tank is provided with an auxiliary heating The device is equipped with a temperature sensor and a temperature control switch on the upper part of the hot water tank.

A timer is provided outside the water exchange tank, and a signal output end of the timer is connected to a signal input end of the three-way reversing valve.

Both the first three-way and the second three-way are intelligent control valves, and an intelligent switch is provided on the outside of the water exchange tank, and the signal output ends of the intelligent switch are respectively connected to the first three-way and the second three-way. Signal input connection.

A water inlet pipe is connected to the water collecting tank through an automatic water supply electronic valve.

The inner barrel of the heat exchange tank is made of stainless steel plate, and the cold and heat exchanger is made of thin heat-conducting metal; the outer layer of the inner barrel of the heat exchange tank is covered with high-efficiency thermal insulation material.

The number of bypass ends of the water separator and the water collector are the same; each bypass end of the water separator is respectively connected to the water inlet valves of multiple heat exchange tanks; each bypass end of the water collector The road ends are respectively connected with the return valves of multiple heat exchange tanks.

The refrigeration and heating of the air conditioner of the utility model are realized by controlling the first three-way and the second three-way to switch the heating pipeline and the refrigeration pipeline. The specific working principle is:

System heating. Firstly, through the smart switch, respectively open the positive side port on both sides of the first three-way and the second three-way, and the bypass side port is closed. to the water separator, and then flows to the heat exchange tank through the water separator. The intake fan pipe draws air from the outside (indoor) through the intake fan, and passes into the air guide pipe in the heat exchange tank to enter the first cold and heat exchanger to complete the initial heat absorption, and the gas that completes the initial heat absorption is passed through again into the second cold heat exchanger, the gas after the second heat exchange has fully absorbed heat, because the cold heat exchanger is fully placed in the hot water of the water exchange tank, so that there is a large contact between it and the hot water area, which can satisfy the sufficient heat-absorbing process. The hot air is then delivered to the room (in the room or living room) by the exhaust fan duct.

System cooling. First, open the bypass ports of the first three-way and the second three-way through the smart switch, and the smart switch controls the water inlet of the first three-way positive end and the water outlet of the second three-way positive end to close , the cold source outlet pipe pumps out the cold water from the cellar reservoir through the circulation pump and flows into the water separator, and then diverts it to the heat exchange tank through the water separator. After exchanging heat with the exchanger, it is discharged by the return valve and flows into the water collector , and then transported to the cellar storage tank through a micro pressure regulating pump.

In the working process of the system during heating, the intelligent switch controls the positive side on both sides of the first three-way and the second three-way to be in the open state, and the bypass end to be in the closed state. One end of the heat source outlet pipe is connected to one end of the solar water collecting tank, and the other end of the heat source outlet pipe is connected to the positive end port of the first three-way; the other positive end of the first three-way is connected to the circulation pump, the circulating pump is connected to the water distributor, and the water distributor is connected to the water inlet valve at one end of the heat exchange tank; the other end of the water exchange tank is provided with a return valve connected with a return pipe, and one end of the return pipe is connected to the The return valve is connected, the other end of the return pipe is connected to the water collector in series, and the micro pressure regulating pump is connected to the positive end port of the second three-way; the other positive end of the second three-way is connected to the solar water collecting tank.

The working process of the system when cooling, similarly, when the system is working, the intelligent switch controls the bypass end of the first three-way and the second three-way to be in the open state, and controls the water inlet end and the second three-way end of the first three-way The water outlet in the three-way positive path end is in a closed state. One end of the cold source outlet pipe is connected to the cellar reservoir, and the other end of the cold source outlet pipe is connected to the bypass port of the first three-way; the first three-way is connected to the circulation pump, and the circulation pump is connected to the water separator , the water distributor is connected to the water inlet valve at one end of the water exchange tank; the other end of the water exchange tank is provided with a return valve connected with a return pipe; one end of the return pipe is connected to the return valve, and the return The other end of the water pipe is connected to the water collector in series, and the micro pressure regulating pump is connected to the positive end of the second three-way; the bypass end of the second three-way is connected to one end of the cold source return pipe, and the other end of the cold source return pipe is connected to the cellar Cistern.

The air-conditioning system of the utility model is provided with two air circulation passages, which can make the air-conditioning system complete the ventilation process of indoor air while heating or cooling. There are also two water circulation channels, which can provide heat source through the solar water collection tank to ensure the realization of heating. The cold source is provided by the cellar storage pool to ensure the realization of refrigeration. The utility model has the advantages of energy saving, emission reduction and environmental protection.

Beneficial effect

1. The utility model has the advantages of good cooling and heating effects at low cost, simple structure, low power consumption and no pollution. The two air circulation paths designed by the air circulation system of the utility model not only ensure the heating or cooling function of the system, but also have the function of indoor ventilation.

2. The water circulation system of the utility model is designed with two water circulation paths. When heating, the solar water collector provides heat source to ensure the water circulation heating requirements. When cooling, the cellar storage pool provides cold source to ensure the water circulation refrigeration requirements.

3. Make full use of natural resources. Under normal working conditions, the system does not need to consume additional energy. It is easy to use, economical and environmentally friendly.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model.

Accompanying drawing 2 is the internal structure diagram of the water exchange tank of the present invention.

Accompanying drawing 3 is the structural representation of the utility model hot water tank, and wherein 3 (a) is internal structure diagram; 3 (b) is side view.

Accompanying drawing 4 is the specific embodiment diagram of connecting two heat exchange tanks of the present invention.

Accompanying drawing 5 is the front view of the water exchange tank of the present utility model.

Accompanying drawing 6 is a side view of the water exchange tank of the present invention.

Accompanying drawing 7 is the indoor layout construction figure of the utility model.

In the figure, 1 solar water collection tank, 2 electronic water inlet valve, 3 overflow pipe, 4 auxiliary heater, 5 temperature sensor, 6 temperature control switch, 7 heat source outlet pipe, 8 heat source return pipe, 9 heat exchange tank, 10 Inlet fan pipe, 11 Intake fan, 12 Exhaust fan pipe, 13 Exhaust fan, 14 Three-way reversing valve, 15 Air guide pipe, 16 Water exchange water tank inlet valve, 17 Heat exchange water tank return valve, 18 Ventilation fan pipe, 19 Ventilation fan, 20 The first cold and heat exchanger, 21 The second cold and heat exchanger, 22 Timer, 23 Shower water pipe, 24 Circulation pump, 25 Water separator, 26 Water collector, 27 The first three-way , 28 second tee, 29 micro regulator pump, 30 water level controller, 31 intelligent switch, 32 vacuum heat collector, 33 solar collector heat tank support, 34 cellar storage tank, 35 cold source outlet pipe, 36 cold source Water return pipe, 37 heat exchange tank insulation door, 38 heat exchange tank support.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described further

As shown in Figures 1, 2 and 3, a water air-conditioning system that can provide indoor heating and cooling includes an air circulation system and a water circulation system. The air circulation system includes a three-way reversing system designed inside the heat exchange tank 9 Valve 14, first cold heat exchanger 20, second cold heat exchanger 21.

One side of the heat exchange tank 9 is provided with an air intake fan pipeline 10; one end of the air intake fan pipeline 10 is connected with the air intake fan 11; the other end of the air intake fan pipeline 10 passes through the water exchange tank 9 One side of the inner wall is connected with the positive road end port of the three-way reversing valve 14; the other side positive road end port of the three-way reversing valve 14 is connected with one end of the air guide pipe 15; the other end of the air guide pipe 15 is connected in series Connect the first cold heat exchanger 20, the second cold heat exchanger 21 is connected with one end of the exhaust fan pipe 12 that is connected to the other side end of the water exchange tank 9, and the other end of the exhaust fan pipe 12 is connected with the exhaust fan. 13 connections.

The outside of described heat exchange tank 9 is provided with intelligent switch 31, is provided with first tee 27 and second tee 28 in water circulation system; The signal output end of described intelligent switch 31 is connected with first tee 27 and second respectively. The signal input end of the tee 28 is connected.

1. System heating, firstly open the positive end port on both sides of the first three-way 27 and the second three-way 28 through the smart switch 31, the bypass end port is in the closed state, and the heat source outlet pipe 7 collects solar heat through the circulation pump 24 The hot water from the water tank 1 is pumped out and flows into the water separator 25, and then diverted to the heat exchange tank 9 through the water separator to exchange heat with the cold and heat exchanger. The pressure pump 29 is transported to the solar collector water tank 1; the airflow circulation described air intake fan pipe 10 draws air from the outside (indoor) through the air intake fan 11, and passes into the air guide pipe 15 in the heat exchange water tank 9 to enter the first cooling system. The heat exchanger 20 completes the initial heat absorption, and the gas passed through the initial heat exchange passes into the second cold heat exchanger 21. Since the cold heat exchanger is fully immersed in the hot water in the heat exchange tank 9, it is compatible with the hot water. There is a large contact area between them, and the gas after two heat exchanges has been fully absorbed, and then the hot air is transported to the room (room or living room) by the exhaust fan pipe 12.

2. System refrigeration, in the same way, first control the bypass end of the first three-way 27 and the second three-way 28 to be in the open state through the intelligent switch 31, and control the water inlet end and the second three-way end of the first three-way 27 The water outlet in the positive path end of the tee 28 is in a closed state. The cold source outlet pipe 35 draws the cold water from the cellar reservoir 34 through the circulation pump 24 and flows into the water separator 25, and then diverts it to the heat exchange tank 9 through the water separator. Discharge, flow into the water collector 26, then pass through the micro pressure regulating pump 29 into the second tee, and flow out to the cellar storage tank 34 through the bypass end port. The air flow circulates through the intake fan duct 10 to extract air from the outside (indoor) through the intake fan 11, and passes it into the air guide pipe 15 in the heat exchange tank 9, and then enters the first cold and heat exchanger 20 to complete the primary cooling. The cooled gas passes into the second cold heat exchanger 21 again. Since the cold heat exchanger is fully immersed in the cooling water of the water exchange tank 9, there is a larger contact area between it and the cooling water. The exchanged gas has been fully cooled, and then the cooled gas is delivered to the room (room or living room) by the exhaust fan duct 12 .

As shown in Figures 1, 2 and 3, the working process of the system during heating, the smart switch 31 controls the two sides of the first three-way 27 and the second three-way 28 to be in the open state, and the bypass end is in the closed state. One end of the heat source outlet pipe 7 is connected to one end of the solar water collecting tank 1, and the other end of the heat source outlet pipe 7 is connected to the positive end port of the first tee 27; The end is connected to the circulating pump 24, and the circulating pump 24 is connected to the water separator 25, and the water separator 25 is connected to the water inlet valve 16 at one end of the water exchange tank 9; the other end of the water exchange tank 9 is provided with a return valve 17 is connected with a water return pipe, one end of the water return pipe is connected with the water return valve 17, the other end of the water return pipe is connected with the water collector 26 in series, and the micro pressure regulating pump 29 is connected with the positive end port of the second tee 28; The other positive end of the tee 28 is connected to the solar collector water tank.

The working process when the system is refrigerated, in the same way, when the system is working, the intelligent switch 31 controls the bypass end of the first three-way 27 and the second three-way 28 to be in an open state, and controls the inlet and outlet of the first three-way 27 positive path end. The water end and the water outlet end in the normal path end of the second tee 28 are in a closed state. One end of the cold source outlet pipe 35 is connected to the cellar reservoir 34, and the other end of the cold source outlet pipe 35 is connected to the bypass end port of the first three-way 27; the first three-way 27 is connected to the circulation pump 24, The circulation pump 24 is connected to the water separator 25, and the water separator 25 is connected to the water inlet valve 16 at one end of the water exchange tank 9; the other end of the water exchange tank 9 is provided with a return valve 17 connected with a return pipe, One end of the return pipe is connected to the return valve, the other end of the return pipe is connected to the water collector 26 in series, and the micro pressure regulating pump 29 is connected to the positive end of the second three-way 28; the bypass of the second three-way 28 One end is connected to one end of the cold source return pipe 36, and the other end of the cold source return pipe 36 is connected to the cellar reservoir 34.

The air-conditioning system of the utility model is provided with two air circulation passages, which can make the air-conditioning system complete the ventilation process of indoor air while heating or cooling. There are also two water circulation channels, which can provide a heat source through the solar water collecting tank 1 to ensure the realization of heating. The cold source is provided by the cellar storage pool 34 to ensure the realization of refrigeration. The utility model has the advantages of energy saving, emission reduction and environmental protection.

A timer 22 is provided outside the heat exchange tank 9 ; the signal output end of the timer 22 is connected to the signal input end of the three-way reversing valve 14 . The timer 22 controls the positive path at both ends of the three-way reversing valve 14 to be open for a set period of time to complete the indoor cooling or heating process; after the set period of time, the timer 22 controls the three-way valve The intake end in the positive path ends on both sides of the reversing valve 14 is closed, and the bypass end of the three-way reversing valve 14 is opened to complete the ventilation process of indoor air and outdoor air.

A temperature sensor 5, a temperature control switch 6 and an auxiliary heater 4 are arranged in the collecting water tank 1; the signal output end of the temperature sensor 5 is connected with the signal input end of the temperature control switch 6; the temperature control switch The signal output end of 6 is connected with the auxiliary heater 4 signal input end. When running into cloudy and rainy weather, when solar energy cannot provide enough heat for heating, it can be intelligently heated by the auxiliary heater 4 .

The water inlet pipe of the hot water tank 1 is connected to the hot water tank through the automatic water supply electronic valve 2; a water level controller 30 is installed on the inner wall of the hot water tank; the signal output terminal of the water level controller 30 Connect with the signal input terminal of automatic water supply electronic valve 2. When the water volume in the hot water tank is lower or higher than a certain set value, it can automatically supply water or stop water supply.

An overflow pipe 3 is installed on the upper side wall of the hot water tank 1. When the water level controller 30 is damaged or cannot read the water level or when the automatic water supply electronic valve 2 keeps supplying water to the hot water tank, the redundant The water is discharged from the overflow pipe 3; the bottom side of the hot water tank is provided with a shower water outlet connected with a shower water pipe 23.

The water inlet of the heat exchange tank 9 is connected with a water inlet valve 16, and the water distributor 25 is connected in series at the water inlet valve; Connect the water collector 26, and the number of bypass ends of the water separator 25 and the water collector 26 is the same; each bypass end of the water separator 25 is respectively connected with the water inlet valves of a plurality of heat exchange tanks ; Each bypass end of the water collector 26 is respectively connected to the return valves of multiple heat exchange tanks. It can be realized that the hot water coming out from the solar collector water tank 1 or the cold water coming out from the cellar reservoir 34 can be divided into several circuits and flow into a plurality of heat exchange tanks at the same time, which can provide heating or cooling for multiple rooms at the same time.

The inner barrel of the heat exchange tank is made of stainless steel sheets, which can prevent the water tank and accessories from rusting due to long-term contact with cooling water; the cold and heat exchanger is made of thin heat-conducting metal, which can fully exchange heat and cold with the incoming airflow The outer layer of the inner barrel of the heat exchange tank is covered with high-efficiency thermal insulation materials to prevent heat and cold exchange with the outside world; the material for the exposed pipes or in-wall pipes is PVC pipes, and the outer layer of the pipes is covered with high-efficiency thermal insulation materials.

As shown in accompanying drawings 4, 5, 6 and 7, the water distributor 25 is connected in series at the inlet valve 16 of the heat exchange tank 9; the water collector is connected in series at the return valve 17 of the heat exchange tank 9 26; and the number of bypass ends of the water separator 25 and the water collector 26 is the same; each bypass end of the water separator 25 is respectively connected to the inlet valves of a plurality of heat exchange tanks; Each bypass end of the water tank 26 is respectively connected with return valves of multiple heat exchange tanks. As shown in accompanying drawing 4, there are two bypass ends of the water separator 25 and the water collector 26 in the utility model; connected to the water valve; the two bypass ends of the water collector 26 are respectively connected to the return valves of the two water exchange tanks; the main port of the water separator 25 is connected to the circulation pump 24; the water collecting The main port of the device 26 is connected with a micro regulator pump 29. Such a design allows two heat exchange tanks to be placed in two rooms for heating or cooling respectively.

If a room has a square area of 15 square meters and a height of 3 meters, the volume of this room or living room is 45 cubic meters. According to the geographical location, the indoor temperature in East China is humid and cold for about three months in winter, and the temperature is 0-2 degrees. A water air-conditioning system that can provide indoor heating and cooling has been invented. In winter, the water temperature of the solar water collection tank is about 60-65 degrees. When the rainy weather is ignored, the air volume of the exhaust fan pipe is about 1.5 cubic meters per minute, and the air volume of the intake fan pipe is also 1.5 cubic meters per minute. meters, then the temperature can be raised to 12 degrees in about ten minutes, and 18-20 degrees in fifteen minutes. For the heat absorption of the cold air flow, the temperature of the hot water in the hot water tank will continue to decrease. After a period of time, the signal will be sent to the auxiliary heater according to the reading set by the temperature sensor of the hot water tank, and the auxiliary heater will start to work. The water temperature is gradually rising. When the water temperature reaches the maximum reading of the temperature sensor design, the auxiliary heater is automatically turned off, so that the temperature of the collecting water tank is always kept at 60-65 degrees, so as to ensure the heat energy exchanged by the heat exchange tank. If in summer, during the cooling process of the system, the cold water in the cellar reservoir is pumped through the circulating pump, and then flows into the heat exchange tank through the water separator. Under normal circumstances, the water temperature at 5-10 meters underground is 15-18 degrees, which ensures The amount of cooling required to replace the hot water tank.

Under normal working conditions, the total power consumption of the system is 170W, of which the intake fan is 35W, the exhaust fan is 45W, the circulation pump is 60W, the micro regulator pump is 30W, and the power of the auxiliary heater is 500W (frequently used in rainy or extreme weather ), compared with the existing household air conditioner, it can save more than 50% of electricity consumption, and more importantly, the water heater and the heating device can be used at the same time. The utility model has the function of exchanging air, and the water air-conditioning air circulation device of the present invention belongs to natural circulation, has good heating and cooling effects, simple structure, fully utilizes the energy of natural resources, and meets environmental protection requirements.

The above is only the preferred mode of the present utility model. It should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the principle of the present utility model. These improvements and modifications It should also be regarded as the protection scope of the present utility model.

Claims (7)

1. A water air-conditioning system that can provide indoor heating and cooling, characterized in that: comprise an air circulation system and a water circulation system, wherein: The air circulation system includes, intake fan (11), intake fan duct (10), ventilation fan (19), ventilation fan duct (18), heat exchange tank (9), three-way reversing valve (14), and air duct (15), the first cold heat exchanger (20), the second cold heat exchanger (21), the exhaust fan duct (12) and the exhaust fan (13), the first cold heat exchanger (20 ) and the second cold heat exchanger (21) are arranged inside the water exchange tank and connected in series, at the front end of the first cold heat exchanger (20) and the rear end of the second cold heat exchanger (21), respectively The air guide pipe (15) is connected, the three-way reversing valve (14) is arranged on the air guide pipe at the front end of the first cold and heat exchanger (20), and the ventilation fan pipe (18) is connected to On one port of the three-way reversing valve, the air intake fan pipe (10) is provided on one side of the heat exchange tank (9), and The exhaust fan duct (12), one end of the intake fan duct (10) is connected to the intake fan (11), and the other end of the intake fan duct (10) passes through the heat exchange tank (9) The inner wall on one side is connected to the air duct at the front end of the first cold heat exchanger (20); the other end of the exhaust fan duct (12) is connected to the exhaust fan (13); A water circulation system, including a solar water collection tank (1), a cellar water storage tank (34), a water separator (25) and a water collector (26), and the solar water collection tank (1) includes a vacuum heat collection tube (32), water tank support (33), heat source outlet pipe (7), and heat source return pipe (8); the cellar reservoir (34) has a cold source outlet pipe (35) and a cold source return pipe (36) ; The two ends of the heat exchange tank (9) are respectively connected with a water exchange tank inlet pipe and a water exchange tank return pipe, and a water exchange tank inlet valve (16) is arranged on the water exchange tank inlet pipe, A water exchange tank return valve (17) is provided on the water exchange water tank return pipe, and the water separator (25) and circulation pump (24) are connected to the water exchange water tank inlet pipe. The water collector (26) and the micro regulator pump (29) are connected to the return pipe of the heat exchange tank, the water inlet of the circulating pump (24), the water outlet of the cold source outlet pipe (35) and the heat source The water outlet of the water outlet pipe (7) is connected to the three ports of the first tee (27); the water outlet of the micro regulator pump (29), the water return port of the cold source return pipe (36) and the heat source return pipe The water return port of (8) is connected to the three ports of the second tee (28); between the solar water collection tank (1) and the heat exchange tank (9) through the heat source outlet pipe (7) , circulating pump (24), water separator (25), inlet pipe of heat exchange tank, return pipe of heat exchange tank, water collector (26), micro pressure regulating pump (29) and heat source return pipe (8) to form a heating pipe Road; between the cellar reservoir (34) and the heat exchange tank (9), through the cold source outlet pipe (35), circulation pump (24), water separator (25), water exchange tank inlet pipe , the water return pipe of the heat exchange tank, the water collector (26), the micro pressure regulating pump (29) and the cold source return pipe (36) form a refrigeration pipeline. 2. A water air-conditioning system capable of providing indoor heating and cooling according to claim 1, characterized in that: a water inlet pipe connected to an electronic water inlet valve (2) is provided on the upper part of the solar water collection tank, and in the A water level controller (30) is installed on the upper end of the inner wall of the water collecting tank, the signal output end of the water level controller (30) is connected to the signal input end of the automatic water supply electronic valve (2), and the water collecting tank (1 ) is provided with a shower water outlet connected with a shower water pipe (23), and an overflow pipe (3) is provided on the outer wall of the hot water tank; an auxiliary heater is provided on the middle bottom plate of the hot water tank (1) (4), a temperature sensor (5) and a temperature control switch (6) are provided on the upper part of the hot water tank (1). 3. A water air-conditioning system capable of providing indoor heating and cooling according to claim 1, characterized in that: a timer (22) is set outside the water exchange tank (9), and the timer (22 ) is connected to the signal input end of the three-way reversing valve (14). 4. A water air-conditioning system capable of providing indoor heating and cooling according to claim 1, characterized in that: the first three-way and the second three-way are intelligent control valves, and the water exchange tank (9 ) is provided with an intelligent switch (31), the signal output terminals of the intelligent switch (31) are respectively connected to the signal input terminals of the first three-way (27) and the second three-way (28). 5. A water air-conditioning system capable of providing indoor heating and cooling according to claim 1, characterized in that: a water inlet pipe is connected to the hot water tank (1) through an automatic water supply electronic valve (2). 6. A water air-conditioning system capable of providing indoor heating and cooling according to claim 1, characterized in that: the inner barrel of the water exchange tank (9) is made of stainless steel plate, and the cold heat exchanger It is made of thin heat-conducting metal; the outer layer of the inner barrel of the heat exchange tank is covered with high-efficiency thermal insulation materials. 7. A water air-conditioning system capable of providing indoor heating and cooling according to claim 1, characterized in that: the number of bypass ends of the water separator (25) and the water collector (26) are the same; Each bypass end of the water separator (25) is respectively connected to the water inlet valves of multiple heat exchange tanks; each bypass end of the water collector (26) is respectively connected to the return water of multiple heat exchange tanks valve connection.