CN104566711B - The photovoltaic drive-type Evaporative Cooling Air-conditioning System combined is utilized with rainwater recycle - Google Patents

Abstract

It is disclosed by the invention to utilize the photovoltaic drive-type Evaporative Cooling Air-conditioning System combined with rainwater recycle, include combined type Evaporative Cooling Air Conditioning, combined type Evaporative Cooling Air Conditioning is connected with rainwater recycle processing and utilizing system and photovoltaic generating system respectively.The present invention and rainwater recycle make full use of solar energy and rainwater using the photovoltaic drive-type Evaporative Cooling Air-conditioning System combined, can reach good refrigeration while effective water saving and economize on electricity.

Description

Photovoltaic driven evaporative cooling air conditioning system combined with rainwater recycling

technical field

The invention belongs to the technical field of air-conditioning equipment, and in particular relates to a photovoltaic-driven evaporative cooling air-conditioning system combined with rainwater recycling.

Background technique

As the main part of building energy consumption, traditional air conditioners are a problem that cannot be underestimated in today's increasingly prominent energy problems.

The refrigerant used in traditional air conditioners is freon, which has great damage to the ozone layer and is easy to pollute the environment; in order to improve this situation, many air conditioners now use water as the cooling medium. Need to consume a large amount of water resources, so that the water consumption increased significantly. There is still water shortage in many parts of our country. Therefore, today when energy problems, environmental problems and water use problems are becoming more and more prominent, we must not only establish awareness of water saving, power saving and environmental protection, but also use them in some places such as the northwest region of our country Local solar energy, dry air energy and other renewable and clean energy serve our production and life.

As an environmentally friendly and energy-saving air conditioner, evaporative cooling air conditioner is very suitable for use in Northwest my country and other regions. It can use the local abundant solar energy resources and drive it through photovoltaic power generation technology. It will be more energy-saving. If rainwater is recycled, it can be more environmentally friendly. Save electricity and water.

Contents of the invention

The purpose of the present invention is to provide a photovoltaic-driven evaporative cooling air-conditioning system combined with rainwater recycling, which can fully utilize solar energy and rainwater, and can effectively save water and electricity while achieving a good cooling effect.

The technical solution adopted in the present invention is that the photovoltaic-driven evaporative cooling air-conditioning system combined with rainwater recycling includes a composite evaporative cooling air-conditioner, which is connected to the rainwater recycling system and the photovoltaic power generation system respectively.

The present invention is also characterized in that,

The composite evaporative cooling air conditioner includes an air-conditioning shell, and a heat exchange core is arranged inside the air-conditioning shell. A water distribution device and a water retaining plate are arranged above the heat exchange core in turn, and a DC exhaust fan is arranged side by side above the water retaining plate. , DC blower; the water distribution device is composed of a spray pipe and a plurality of downward spray nozzles evenly arranged on the spray pipe, and the spray pipe is connected with the rainwater recycling system; the air conditioner shell corresponding to the heat exchange core An air inlet is provided on the side wall; an air outlet is provided on the side wall of the air conditioner housing corresponding to the DC exhaust fan, and the air outlet is connected with an air supply pipe extending into the room; The air outlet and the exhaust outlet are connected with a secondary air duct.

The rainwater recovery treatment and utilization system includes a water tank connected to the exterior wall of the building and a water collection tank installed on the top of the building; a water inlet is arranged on the top of the water tank, and a filter is arranged in the water tank near the water inlet, and the spray pipe passes through the water supply The pipe extends into the water tank; the water supply pipe is respectively equipped with a water treatment device and a DC water pump; the sump is surrounded by a baffle set on the top edge of the building, and a corner of the sump is connected to a bell mouth, and the bell mouth extends into the water tank through the rainwater pipe Inside.

The air inlet and the air outlet are respectively arranged on two opposite casing walls.

An air filter is arranged in the air inlet.

The nozzle is connected with an electric control valve.

The heat exchange core is composed of ceramic tube groups and heat pipe groups arranged in parallel up and down; the ceramic tube group is composed of multiple horizontally arranged ceramic tubes, and the end of each ceramic tube is blocked according to the air flow direction; the heat pipe group is composed of multiple horizontally arranged Each heat pipe is composed of a heat pipe condensation end and a heat pipe evaporation end. The heat pipe evaporation end is close to the air inlet; a row of small holes are arranged on the surface of the heat exchange core along the air flow direction from bottom to top along the diagonal. .

A plurality of air outlets for downward air supply are uniformly arranged on the air supply pipe extending into the room.

A diffuser is arranged at the tuyere.

Photovoltaic power generation system, including photovoltaic panels, photovoltaic panels are connected to photovoltaic controllers and battery packs in turn through wires; battery packs are respectively connected to composite evaporative cooling air conditioners and DC water pumps through wires; secondary air ducts are set on the edge of photovoltaic panels , the secondary air duct is provided with a plurality of injection ports facing the photovoltaic panels.

The beneficial effects of the present invention are:

1. The photovoltaic-driven evaporative cooling air-conditioning system of the present invention is driven by direct current. The power of the whole system comes from solar photovoltaic panels to generate electricity, and a battery pack is installed inside it as an energy storage device for night, rainy days and insufficient sunlight. use.

2. In the photovoltaic-driven evaporative cooling air-conditioning system of the present invention, the heat exchange core adopts a horizontal structure in which a heat pipe group and a ceramic pipe group are combined, and a part of the water in the primary air chamber is used to cool the condensing end of the heat pipe, which improves the preheating time. cold effect.

3. The photovoltaic-driven evaporative cooling air-conditioning system of the present invention is equipped with a rainwater treatment and recycling system as daily water for the compound evaporative cooling air-conditioning system.

4. The photovoltaic-driven evaporative cooling air-conditioning system of the present invention can realize cascade utilization of energy by reusing secondary air to cool photovoltaic panels.

Description of drawings

Fig. 1 is a structural schematic diagram of a photovoltaic-driven evaporative cooling air-conditioning system of the present invention;

Fig. 2 is a structural schematic diagram of a composite evaporative cooling air conditioner in the photovoltaic-driven evaporative cooling air conditioning system of the present invention;

Fig. 3 is a structural schematic diagram of the photovoltaic power generation system in the photovoltaic-driven evaporative cooling air-conditioning system of the present invention.

In the figure, 1. Composite evaporative cooling air conditioner, 2. Secondary air duct, 3. Injection port, 4. Photovoltaic panel, 5. Bell mouth, 6. Rainwater pipe, 7. Water tank, 8. Filter, 9. Direct current Water pump, 10. Water treatment device, 11. Baffle plate, 12. Air filter, 13. Ceramic tube group, 14. Small hole, 15. Heat pipe condensing end, 16. Heat pipe evaporating end, 17. Electric control valve, 18. Nozzle, 19. Water baffle, 20. DC blower, 21. DC exhaust fan, 22. Air outlet, 23. Air outlet, 24. Air supply pipe, 25. Diffuser, 26. Photovoltaic controller, 27. Battery pack, 28. spray pipe, 29. air inlet, 30. water inlet.

detailed description

The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

The photovoltaic-driven evaporative cooling air-conditioning system combined with rainwater recycling in the present invention has a structure as shown in Figure 1, including a composite evaporative cooling air conditioner 1, which is connected to a rainwater recycling treatment and utilization system, and a composite evaporative cooling air conditioner 1 The cooling air conditioner 1 is connected to the photovoltaic power generation system through wires, and the composite evaporative cooling air conditioner 1 is connected with a secondary air duct 2 .

The composite evaporative cooling air conditioner 1, as shown in Figure 1 and Figure 2, includes an air conditioner housing, a heat exchange core is arranged inside the air conditioner housing, and a water distribution device and a water baffle 19 are sequentially arranged above the heat exchange core. The top of the water retaining plate 19 is provided side by side with a DC exhaust fan 21 and a DC blower 20; the water distribution device is composed of a spray pipe 28 and a plurality of downward spraying nozzles 18 evenly arranged on the spray pipe 28, and the spray pipe 28 It is connected with the rainwater recycling system; the side wall of the air-conditioning housing corresponding to the heat exchange core is provided with an air inlet 29; the side wall of the air-conditioning housing corresponding to the DC exhaust fan 21 is provided with an air outlet 23, and the air outlet 23 is connected with The air supply pipe 24 extending into the room; the air outlet 22 is arranged on the top wall of the air conditioner housing corresponding to the DC blower 20 , and the air outlet 22 is connected with the secondary air duct 2 .

The air inlet 29 and the air outlet 23 are respectively arranged on two opposite casing walls.

An air filter 12 is arranged in the air inlet 29 .

The nozzle 18 is connected with an electric control valve 17 .

The heat exchange core body is composed of a ceramic tube group 13 arranged in parallel up and down and a heat pipe group; the ceramic tube group 13 is composed of a plurality of horizontally arranged ceramic tubes, and the end of each ceramic tube is blocked according to the air flow direction; the heat pipe group is composed of It consists of a plurality of horizontally arranged heat pipes, each heat pipe is composed of a heat pipe condensation end 15 and a heat pipe evaporation end 16, and the heat pipe evaporation end 16 is close to the air inlet 29; the surface of the heat exchange core is from bottom to top along the direction of air flow. A row of small holes 14 are arranged in turn on the corner line.

The air supply pipe 24 protruding into the room is evenly provided with a plurality of downward air supply outlets; each air outlet is provided with a diffuser 25 .

The rainwater recovery treatment utilization system includes a water tank 7 connected to the exterior wall of the building and a sump arranged on the top of the building; a water inlet 30 is arranged on the top of the water tank 7, and a filter screen 8 is arranged in the water tank 7 near the water inlet 30 , the water tank 7 is connected with the spray pipe 28 through the water supply pipe; the water supply pipe is respectively provided with a water treatment device 10 and a DC water pump 9; Bell mouth 5 is arranged, is used for collecting rainwater, and bell mouth 5 is connected with water tank 7 through rainwater pipe 6, and rainwater pipe 6 is fixed on the exterior wall of building.

The photovoltaic power generation system, as shown in Figure 1 and Figure 3, includes a photovoltaic panel 4, and the photovoltaic panel 4 is connected to a photovoltaic controller 26 and a storage battery pack 27 in sequence through wires; the storage battery pack 27 is composed of a plurality of storage batteries connected in series; Connect with compound evaporative cooling air conditioner 1 and DC water pump 9 respectively through wires.

There are multiple photovoltaic panels 4, and the photovoltaic panels 4 are arranged on the top of the building or on the side wall facing the sun. The secondary air duct 2 is arranged at the edge of the photovoltaic panel 4 , and a plurality of injection ports 3 facing the photovoltaic panel 4 are arranged on the secondary air duct 2 .

The working principle of each system in the photovoltaic-driven evaporative cooling air-conditioning system combined with rainwater recycling and utilization according to the present invention:

Composite evaporative cooling air conditioner 1: the outside air enters the air conditioner shell through the air inlet 29, and is first filtered by the air filter 12, after filtering out impurities such as dust, it enters the ceramic tube group 13 and the heat pipe evaporation end 16 of the heat pipe group at the same time; The small holes 14 on the heat core body respectively enter the primary air chamber and the secondary air chamber; the heat pipe group uses the cooling capacity of the water sprayed from the primary air chamber to cool the heat pipe condensation end 15 to improve the cooling effect of the heat pipe evaporation end 16; The air comes out through the small hole 14 of the evaporating end 16 of the heat pipe to become the secondary air, and the water sprayed by the nozzle 18 undergoes a direct evaporative cooling process outside the ceramic tube, that is, after the air in the ceramic tube is pre-cooled, it is blown by the DC blower 20 It is discharged into the secondary air duct 2 under the action of the air, and finally sprayed onto the surface of the photovoltaic panel 4 through the injection port 3 to cool down; while the air in the ceramic tube continues to advance after being pre-cooled, and also comes out through the small hole 14 to become primary air. At this time, according to the situation, the user adjusts the amount of water sprayed by the nozzle 18 controlled by the electric control valve 17. Finally, the water is filtered out by the water baffle 19 and sent to the room along the air supply pipe 24 under the action of the DC exhaust fan 21. The gas is uniformly dispersed by the diffuser 25 .

The rainwater recovery treatment and utilization system utilizes the recovered rainwater after being filtered and used, which avoids the problem of large water consumption of the air conditioner and can effectively save water consumption.

The photovoltaic power generation system is used to directly drive the operation of the compound evaporative cooling air conditioner 1. The DC power generated by the photovoltaic panel 4 is processed by the photovoltaic controller 26 and then supplied to the operation of the compound evaporative cooling air conditioner 1 and the DC water pump 9, which solves the problem of power consumption and makes the system redundant. The stored electricity is stored in the storage battery 27 for use at night and in rainy days; in addition, the photovoltaic panels 4 are cooled by secondary wind, which realizes cascade utilization of energy.

The photovoltaic-driven evaporative cooling air-conditioning system combined with rainwater recycling in the present invention utilizes solar energy and dry air to clean energy, and directly drives the operation of the compound evaporative cooling air-conditioner 1 through the photovoltaic power generation system to cool down the building; by using the compound evaporative cooling The secondary air discharged from the air conditioner 1 cools the surface of the photovoltaic panel 4, realizes cascade utilization of energy, and also improves the power generation efficiency of the photovoltaic panel 4 in summer; in addition, it is also combined with the rainwater recycling system to solve the problem of air conditioning. The problem of water use is to use rainwater as the daily water use of the unit. The photovoltaic-driven evaporative cooling air-conditioning system combined with rainwater recycling and utilization in the present invention realizes the concepts of power saving, water saving and environmental protection, and has certain practical application value.

Claims (4)

1. utilize the photovoltaic drive-type Evaporative Cooling Air-conditioning System combined with rainwater recycle, it is characterised in that include combined type Evaporative Cooling Air Conditioning (1), the combined type Evaporative Cooling Air Conditioning (1) respectively with rainwater recycle processing and utilizing system and photovoltaic generation System is connected；

The combined type Evaporative Cooling Air Conditioning (1), includes and heat exchange core body is provided with air-conditioner housing, air-conditioner housing, described to change Direct current has been arranged side by side in being sequentially arranged above above water-distributing device and water fender (19), the water fender (19) for hot core body Exhaust blower (21), direct current pressure fan (20)；The water-distributing device is by shower (28) and is uniformly arranged on many on shower (28) Individual nozzle (18) composition sprayed downwards, the shower (28) is connected with rainwater recycle processing and utilizing system；The heat exchange core Air inlet (29) is provided with the corresponding air-conditioner housing side wall of body；The corresponding air-conditioner housing side wall of the direct current exhaust blower (21) On be provided with air outlet (23), the air outlet (23) is connected with the ajutage (24) for stretching into interior；The direct current pressure fan (20) exhaust outlet (22) is provided with the corresponding air-conditioner housing roof in top, the exhaust outlet (22) is connected with Secondary Air airduct (2)；

The rainwater recycle processing and utilizing system, includes the water tank (7) being connected with skin and is arranged at building top The water leg in portion；

It is provided with the top of the water tank (7) in water inlet (30), the water tank (7) and water inlet (30) place is provided with filtering Net (8), the shower (28) is stretched into water tank (7) by feed pipe；Water treatment facilities is respectively arranged with the feed pipe And DC water pump (9) (10)；

The water leg is surrounded by the baffle plate (11) for being arranged at top of building edge, and one jiao of the water leg is connected with loudspeaker Mouth (5), the horn mouth (5) is stretched into water tank (7) by rain pipe (6)；

The air inlet (29) is respectively arranged on relative two housings wall with air outlet (23)；

Airstrainer (12) is provided with the air inlet (29)；

Electrically-controlled valve (17) is connected with the nozzle (18)；

The heat exchange core body above and below by be arrangeding earthenware group (13) in parallel and heat pipe heat is constituted；

The earthenware group (13) is made up of many horizontally disposed earthenwares, by the end of every earthenware of air-flow direction Closure；The heat pipe heat is made up of many horizontally disposed heat pipes, and every heat pipe is by condensation end of heat pipe (15) and heat pipe evaporation ends (16) constitute, the heat pipe evaporation ends (16) are close to air inlet (29) place；Along air flow side on the surface of the heat exchange core body To being diagonally disposed with row's aperture (14) from bottom to top.

2. photovoltaic drive-type Evaporative Cooling Air-conditioning System according to claim 1, it is characterised in that described to stretch into indoor Multiple air ports blown downwards are evenly arranged with ajutage (24).

3. photovoltaic drive-type Evaporative Cooling Air-conditioning System according to claim 2, it is characterised in that set at the air port There is air diffuser (25).

4. photovoltaic drive-type Evaporative Cooling Air-conditioning System according to claim 1, it is characterised in that the photovoltaic generation system System, includes photovoltaic panel (4), the photovoltaic panel (4) is connected with photovoltaic controller (26) and batteries in turn by wire (27)；The batteries (27) are connected with combined type Evaporative Cooling Air Conditioning (1), DC water pump (9) respectively by wire；

The Secondary Air airduct (2) is arranged on the edge of photovoltaic panel (4), the Secondary Air airduct (2) and is provided with multiple faces To the jet (3) of photovoltaic panel (4).