CN204786983U - Compound air conditioning system based on rock -bed, evaporation cooling and solar energy power supply - Google Patents

Abstract

The composite air-conditioning system based on rock bed, evaporative cooling and solar power supply disclosed by the utility model is composed of multiple rock bed-evaporative cooling combined cooling systems, and the rock bed-evaporative cooling combined cooling system includes a unit connected through the air pipe network. The evaporative cooling unit and the rock bed cold storage-cooling dual-purpose unit, the evaporative cooling cooling unit is also connected with the solar power generation unit; the evaporative cooling unit is composed of the first evaporative cooling air conditioning unit, the second evaporative cooling air conditioning unit and the It is composed of three evaporative cooling air-conditioning units; the rock bed cold storage-cooling dual-purpose unit is composed of rock bed a and rock bed b arranged under the ground; the solar power generation unit is composed of solar panels and power conversion devices connected by wires. The composite air-conditioning system of the utility model combines the evaporative cooling unit and the rock bed cold storage-cooling dual-purpose unit, which can not only effectively reduce the temperature, but also save energy consumption to a large extent.

Description

Hybrid Air Conditioning System Based on Rock Bed, Evaporative Cooling and Solar Power

technical field

The utility model belongs to the technical field of air conditioning systems, in particular to a composite air conditioning system based on rock beds, evaporative cooling and solar power supply.

Background technique

The existing evaporative cooling technologies mainly include: indirect evaporative cooling technology, direct evaporative cooling technology, and two-stage cooling technology combining indirect and direct.

When using indirect evaporative cooling technology, not only the investment in the secondary fan needs to be considered, but also the electricity bill during the day; if intermittent cooling can be provided for the room, the use of electricity can be reduced, thereby saving electricity bills.

The rock bed is mainly composed of round gravel and pebbles. When in use, the rock bed can be used as the first stage of indirect evaporative cooling, and it can be placed underground to save space on the ground; when the outdoor air is cooled, it is drawn into the In the underground rock bed, in contact with gravel and pebbles, the purpose of cold storage can be achieved. At night, the wet-bulb temperature is lower and evaporative cooling is more efficient, making it easier for the rock bed to store cold.

Based on the advantages of the rock bed, combining the rock bed with the evaporative cooling air-conditioning unit is equivalent to combining the cold storage device with the cooling device, which can not only effectively reduce the temperature, but also save energy to a large extent.

Utility model content

The purpose of this utility model is to provide a composite air-conditioning system based on rock bed, evaporative cooling and solar power supply. Combining the evaporative cooling unit with the rock bed cold storage-cooling dual-purpose unit can not only effectively reduce the temperature, but also Save energy to a great extent.

The technical solution adopted by the utility model is that based on rock bed, evaporative cooling and solar powered composite air-conditioning system, it is composed of multiple rock bed-evaporative cooling combined cooling systems, and the rock bed-evaporative cooling combined cooling system includes The evaporative cooling unit connected to the air pipe network and the rock bed cold storage-cooling dual-purpose unit, the evaporative cooling cooling unit is also connected to the solar power generation unit; The cooling air-conditioning unit and the third evaporative cooling air-conditioning unit are composed; the rock bed cold storage-cooling dual-purpose unit is composed of rock bed a and rock bed b arranged under the ground; the solar power generation unit is connected by a solar panel and a power conversion device through wires composition.

The utility model is also characterized in that:

The first evaporative cooling air-conditioning unit includes a first unit shell and an external water tank a, and the opposite side walls of the first unit shell are respectively provided with an air inlet a and an air supply port a, and the air supply port a passes through the first air duct It is connected with the rock bed a; the housing of the first unit is provided with a filter screen a, a fresh air pre-cooling room a, a first packed evaporative cooling unit and a blower a in sequence according to the flow direction of the air after the air enters, and the fresh air pre-cooling room a passes through the second air Pipe G is connected to rock bed a.

The first packing type evaporative cooling unit includes packing a, a plurality of high-pressure spray pipes are vertically arranged around the packing a, and the lower parts of the multiple high-pressure spray pipes are connected through connecting pipes, and the connecting pipes are connected to the outside through the first water supply pipe. The water tank a is connected, and each high-pressure spray pipe is evenly provided with a plurality of high-pressure micro-mist nozzles a facing the filler a for spraying water; the first water supply pipe is provided with a water pump.

An air valve e is arranged in the first air duct;

The mouth of the second air pipe connected to the fresh air pre-cooling chamber a is provided with a damper f, and the mouth of the second air pipe connected to the rock bed a is provided with a temperature sensor a and a damper a.

The second evaporative cooling air-conditioning unit includes a second unit shell and an external water tank b, and the opposite side walls of the second unit shell are respectively provided with an air inlet b and an air supply port b, and the air supply port b passes through the third air duct It is connected with the rock bed b; the housing of the second unit is provided with a filter screen b, a fresh air precooling chamber b, a second packed evaporative cooling unit and a blower b in sequence according to the flow direction of the air after entering, and the fresh air precooling chamber b passes through the fourth air The tube is connected to the rock bed b.

The second packing type evaporative cooling unit includes packing b. There are multiple high-pressure water spray pipes vertically arranged around the packing b. The water tank b is connected, and each high-pressure water spray pipe is evenly equipped with a plurality of high-pressure micro-mist nozzles b facing the filler b to spray water; the second water supply pipe is provided with a water pump.

A damper g is arranged in the third air pipe;

A damper h is installed in the mouth of the fourth air pipe connected to the fresh air pre-cooling chamber b, and a temperature sensor b and a damper b are arranged in the mouth of the fourth air pipe connected to the rock bed b.

The third evaporative cooling air-conditioning unit includes a third unit housing, an air outlet is arranged on the side wall of the third unit housing, and a cold air chamber with a cold air inlet is arranged in the third unit housing, and a gap between the cold air chamber and the air outlet A direct evaporative cooling unit, a water baffle and a fan are arranged in sequence; the cold air inlet is connected to the fifth air pipe, the fifth air pipe is connected to the rock bed a through the sixth air pipe, and the fifth air pipe is also connected to the rock bed a through the seventh air pipe. Bed b connected.

The direct evaporative cooling unit includes a packing block, and a water distribution pipe is arranged above the packing block, and a plurality of nozzles for spraying water facing the packing block are arranged on the water distribution pipe; It is connected with the water distribution pipe, and the water storage pipe is provided with a water pump;

An air valve i is provided at the connection between the fifth air pipe and the cold air inlet;

A temperature sensor c and an air valve c are arranged in the sixth air duct;

The seventh air pipe is provided with a temperature sensor d and an air valve d.

The power conversion device is composed of a controller, a storage battery and an inverter connected in sequence by wires.

The beneficial effects of the utility model are:

(1) The composite air-conditioning system of the utility model reasonably combines the rock bed unit and the evaporative cooling unit, effectively utilizes the cold storage effect of the rock bed and the indirect evaporative cooling effect, and realizes effective cooling of the air.

(2) The composite air-conditioning system of the present utility model uses two rock beds to form a dual-purpose unit for cold storage and cooling, which can be in a reasonable working mode according to the adjustment of the temperature sensor, such as: cooling mode or cold storage mode.

(3) When the composite air-conditioning system of the present invention operates at night, it can utilize the excess electricity stored in the battery in the solar power generation unit during the day.

(4) In the composite air-conditioning system of the present utility model, when two rock beds are used, the temperature passing through the rock beds is relatively low when the ideal cold storage state is not reached, and this part of air can be used to pre-heat the outdoor air. Cold, improve the cooling efficiency.

(5) In the composite air-conditioning system of the present invention, the evaporative cooling unit equipped with a high-pressure micro-mist spraying device is used in the device for providing cooling capacity for the rock bed, and the water tank that cooperates with the high-pressure micro-mist spraying device adopts an external Water tank, convenient for water supply and water change.

(6) In the composite air-conditioning system of the present invention, a temperature sensor and an air valve are arranged in two air pipes connected to the rock bed, and the switch of the air valve can be adjusted according to actual needs.

Description of drawings

Fig. 1 is the structural representation of the composite air-conditioning system of the present utility model;

Fig. 2 is a structural schematic diagram of the solar power generation unit in the composite air conditioning system of the present invention.

In the figure, A. the first evaporative cooling air-conditioning unit, B. the second evaporative cooling air-conditioning unit, C. the third evaporative cooling air-conditioning unit;

1. Filter a, 2. Fresh air pre-cooling chamber a, 3. High-pressure micro-mist nozzle a, 4. Packing a, 5. Blower a, 6. Air inlet a, 7. Air supply a, 8. Air inlet b, 9. Filter screen b, 10. Fresh air pre-cooling chamber b, 11. High-pressure micro-mist nozzle b, 12. Packing b, 13. Blower fan, 14. Air supply port b, 15. Cold air chamber, 16. Cold air inlet, 17. Water distribution pipe, 18. Packing block, 19. Water baffle, 20. Fan, 21. Air outlet, 22. Water collection tank, 23. External water tank a, 24. Rock bed a, 25. Rock bed b, 26. Temperature Sensor a, 27. Damper a, 28. Temperature sensor b, 29. Damper b, 30. Temperature sensor c, 31. Damper c, 32. Temperature sensor d, 33. Damper d, 34. External water tank b, 35. Damper e, 36. Damper f, 37. Damper g, 38. Damper h, 39. Damper i, 40. Solar panel, 41. Controller, 42. Battery, 43. Reverse Transformer;

G1. First air duct, G2. Second air duct, G3. Third air duct, G4. Fourth air duct, G5. Fifth air duct, G6. Sixth air duct, G7. Seventh air duct.

Detailed ways

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

The utility model is based on rock bed, evaporative cooling and solar power supply composite air conditioning system, its structure is shown in Figure 1 and Figure 2, it is composed of multiple rock bed-evaporative cooling combined cooling system; each rock bed-evaporative cooling combined cooling system The system includes an evaporative cooling unit and a rock bed cold storage-cooling dual-purpose unit connected through an air pipe network, and the evaporative cooling unit is also connected with a solar power generation unit.

The evaporative cooling unit, as shown in FIG. 1 , is composed of a first evaporative cooling air-conditioning unit A, a second evaporative cooling air-conditioning unit B and a third evaporative cooling air-conditioning unit C arranged on the ground.

The rock bed cold storage-cooling dual-purpose unit, as shown in Fig. 1, is composed of rock bed a24 and rock bed b25 arranged under the ground.

The first evaporative cooling air-conditioning unit A includes a first unit shell and an external water tank a23. The opposite side walls of the first unit shell are respectively provided with an air inlet a6 and an air supply port a7. The air supply a7 passes through the first air The pipe G1 is connected with the rock bed a24; the shell of the first unit is provided with a filter screen a1, a fresh air precooling chamber a2, a first packed evaporative cooling unit and a blower a5 in sequence according to the air flow direction after the air enters, and the fresh air precooling chamber a2 passes through the first The second duct G2 is connected with the rock bed a24.

The first packing type evaporative cooling unit includes packing a4, a plurality of high-pressure spray pipes are vertically arranged around the packing a4, and the lower parts of the multiple high-pressure spray pipes are connected through connecting pipes, and the connecting pipes are connected to the outside through the first water supply pipe. The water tank a23 is connected, and each high-pressure spray pipe is evenly equipped with a plurality of high-pressure micro-mist nozzles a3 facing the filler a4 to spray water.

A water pump is arranged on the first water supply pipe.

An air valve e35 is disposed in the first air duct G1.

A damper f36 is provided in the mouth of the second air pipe G2 connected to the fresh air pre-cooling chamber a2, and a temperature sensor a26 and a damper a27 are provided in the mouth of the second air pipe G2 connected to the rock bed a24.

The second evaporative cooling air-conditioning unit B includes a second unit shell and an external water tank b34, and the opposite side walls of the second unit shell are respectively provided with an air inlet b8 and an air supply port b14, and the air supply port b14 passes through the third air The pipe G3 is connected with the rock bed b25; the housing of the second unit is provided with a filter screen b9, a fresh air precooling chamber b10, a second packed evaporative cooling unit and a blower b13 in sequence according to the flow direction of the air after entering, and the fresh air precooling chamber b10 passes through the first The four ducts G4 are connected to the rock bed b25.

The second packing type evaporative cooling unit includes packing b12, and a plurality of high-pressure water spray pipes are vertically arranged around the packing b12. It is connected to the water tank b34, and each high-pressure water spray pipe is evenly equipped with a plurality of high-pressure micro-mist nozzles b11 facing the filler b12 to spray water.

A water pump is arranged on the second water supply pipe.

A damper g37 is arranged in the third air duct G3.

A damper h38 is installed in the mouth of the fourth air pipe G4 connected to the fresh air pre-cooling chamber b10, and a temperature sensor b28 and a damper b29 are installed in the mouth of the fourth air pipe G4 connected to the rock bed b25.

The third evaporative cooling air conditioner unit C includes a third unit casing, an air outlet 21 is arranged on the side wall of the third unit casing, and a cold air chamber 15 with a cold air inlet 16 is arranged in the third unit casing, and the cold air chamber 15 A direct evaporative cooling unit, a water baffle 19 and a fan 20 are arranged in sequence between the air outlet 21; the cold air inlet 16 is connected to the fifth air pipe G5, and the fifth air pipe G5 is connected to the rock bed a24 through the sixth air pipe G6. The fifth air pipe G5 is also connected to the rock bed b25 through the seventh air pipe G7.

The direct evaporative cooling unit includes a packing block 18, a water distribution pipe 17 is arranged above the packing block 18, and a plurality of nozzles for spraying water facing the packing block 18 are arranged on the water distribution pipe 17; a water collecting tank 22 is arranged below the packing block 18 , The water collecting tank 22 is connected with the water distribution pipe 17 through the water storage pipe, and the water storage pipe is provided with a water pump.

An air valve i39 is provided at the connection between the fifth air duct G5 and the cold air inlet 16 .

A temperature sensor c30 and a damper c31 are arranged in the sixth air duct G6.

A temperature sensor d32 and a damper d33 are arranged in the seventh air pipe G7.

The solar power generation unit, as shown in FIG. 2 , is composed of a solar panel 40 and a power conversion device connected by wires; the power conversion device is composed of a controller 41 , a storage battery 42 and an inverter 43 sequentially connected by wires.

The functions of the three main units in the composite air-conditioning system based on the rock bed, evaporative cooling and solar power supply of the utility model are as follows:

Evaporative cooling unit: the first evaporative cooling air-conditioning unit A, the second evaporative cooling air-conditioning unit B and the third evaporative cooling air-conditioning unit C are all used to cool down the air.

Rock bed cold storage-cooling dual-purpose unit: It is composed of rock bed a24 and rock bed b25 installed under the ground, which can effectively store cold energy and cool down the air. It is a device that can store cold and supply cold .

Solar power generation unit: use renewable clean energy to provide electricity for the operation of the evaporative cooling unit, effectively saving electricity.

The working process of the composite air-conditioning system based on rock bed, evaporative cooling and solar power supply of the utility model is as follows:

The outdoor air respectively flows into the first evaporative cooling air-conditioning unit A and the second evaporative cooling air-conditioning unit B in the evaporative cooling unit;

In the first evaporative cooling air conditioning unit A:

The air is filtered by the filter a1 and enters the first packing type evaporative cooling unit. The air exchanges heat and moisture with the water sprayed by the high-pressure micro-mist nozzle a3 at the packing a4 to complete the cooling process (the spray water comes from an external water tank a23, the purpose of using the external water tank a23 is to change the water conveniently); the cooled air is sent to the rock bed a24 through the first air pipe G1; after being treated by the rock bed a24, the temperature of the air is further reduced Air works in the following ways:

The cold air enters the fresh air precooling chamber a2 to precool the fresh air through the second air pipe G2 (open the air valve f36 and the air valve a27), and the rock bed a24 at this time is used as a cold storage device;

When the temperature sensor a26 detects that the temperature of the air in the second air pipe G2 is the same as that of the air entering the rock bed a24 through the first air pipe G1 (indicating that the cold storage is completed), the air valve a27 should be closed to use the rock bed a24 as a cooling device, the cold air sent by the rock bed a24 enters the cold air chamber 15 in the third evaporative cooling air-conditioning unit C through the sixth air pipe G6 and the fifth air pipe G5 (open the air valve c31 and the air valve i39) successively, and cool air The air flows into the filler block 18 in the direct evaporative cooling unit, and exchanges heat and moisture with the water sprayed out of the nozzle to complete the cooling process. Under the effect of 20, be sent into indoor by air outlet 21.

In the second evaporative cooling air conditioning unit B:

The air enters the second packed evaporative cooling unit after being filtered by the filter net b9, and the air exchanges heat and moisture with the water sprayed by the high-pressure micro-mist nozzle b11 at the packing b12 to complete the cooling process (the spray water comes from an external Water tank b34, the purpose of using external water tank b34 is to facilitate water change); the cooled air is sent to the rock bed b25 through the third air pipe G3; after being treated by the rock bed b25, the temperature of the air is further reduced, and the Cold air works in the following ways:

The cold air enters the fresh air pre-cooling chamber b10 to pre-cool the fresh air through the fourth air pipe G4 (open the air valve h38 and the air valve b29), and the rock bed a24 at this time is used as a cold storage device;

When the temperature sensor b28 detects that the air temperature in the fourth air pipe G4 is the same as that of the air entering the rock bed b25 through the third air pipe G3 (indicating that the cold storage is completed), the valve b29 should be closed, and the rock bed b25 should be used as a cooling device ; This moment, the cold air sent by the rock bed b25 enters in the cold air chamber 15 in the third evaporative cooling air-conditioning unit C through the seventh air pipe G7, the fifth air pipe G5 (open air valve d33 and air valve i39) successively, and the cold air The filling block 18 that flows into the direct evaporative cooling unit exchanges heat and moisture with the water sprayed out of the nozzle to complete the cooling process; Under the action of air outlet 21, it is sent into the room.

When the rock bed a24 is used as a cooling device for cooling, the rock bed b25 is used as a cold storage device for cold storage.

The composite air-conditioning system based on the rock bed, evaporative cooling and solar power supply of the utility model is equipped with an evaporative cooling cooling unit, a rock bed cold storage-cooling dual-purpose unit and a solar power generation unit; the rock bed cold storage-cooling dual-purpose unit The rock bed a24 and the rock bed b25 are set, and when one of them is used as a cold storage device, the other is used as a cooling device, that is, the rock bed cold storage-cooling dual-purpose unit is regarded as an intermittent cooling and cold storage device. Combined with an evaporative cooling unit, the air temperature can be effectively adjusted while saving energy consumption; in addition, the solar power generation unit can use the excess electricity stored during the day for cold storage and cooling at night.

Claims (10)

1. based on rock-bed, evaporative cooling and solar powered compound air-conditioning system, it is characterized in that, combine cooling system by multiple rock-bed-evaporative cooling to form, described rock-bed-evaporative cooling associating cooling system, include the evaporative cooling unit and the dual-purpose unit of rock-bed cold-storage-cooling that are connected by airduct net, described evaporative cooling cooling unit is also connected with solar power generation unit;

Described evaporative cooling unit, forms by being arranged at ground first Evaporative Cooling Air Conditioning unit (A), the second Evaporative Cooling Air Conditioning unit (B) and the 3rd Evaporative Cooling Air Conditioning unit (C);

The dual-purpose unit of described rock-bed cold-storage-cooling, by being arranged at underground rock-bed a (24) and rock-bed b (25) forms;

Described solar power generation unit, is connected to form by wire by solar panel (40) and electric power reforming unit.

2. compound air-conditioning system according to claim 1, it is characterized in that, described first Evaporative Cooling Air Conditioning unit (A), include the first machine unit shell and external water tank a (23), the two side that described first machine unit shell is relative is respectively arranged with air inlet a (6) and air outlet a (7), described air outlet a (7) is connected with rock-bed a (24) by the first airduct (G1);

Enter rear flow direction by air in described first machine unit shell and be disposed with screen pack a (1), pre-cooling of fresh air room a (2), the first material filling type evaporative cooling unit and pressure fan a (5), pre-cooling of fresh air room a (2) is connected with rock-bed a (24) by the second airduct G (2).

3. compound air-conditioning system according to claim 2, it is characterized in that, described first material filling type evaporative cooling unit, include filler a (4), the surrounding of described filler a (4) is vertically provided with many high pressure spray shower pipes, the bottom of many high pressure spray shower pipes is communicated with by tube connector, tube connector is connected with external water tank a (23) by the first feed pipe, every root high pressure spray shower pipe is evenly provided with multiple high-pressure fine-spray nozzle a (3) towards filler a (4) shower water; Described first feed pipe is provided with water pump.

4. compound air-conditioning system according to claim 2, is characterized in that, is provided with air-valve e (35) in described first airduct (G1);

Be provided with air-valve f (36) in the mouth of pipe that described second airduct (G2) is connected with pre-cooling of fresh air room a (2), in the mouth of pipe that described second airduct (G2) is connected with rock-bed a (24), be provided with temperature sensor a (26) and air-valve a (27).

5. compound air-conditioning system according to claim 1, it is characterized in that, described second Evaporative Cooling Air Conditioning unit (B), include the second machine unit shell and external water tank b (34), the two side that described second machine unit shell is relative is respectively arranged with air inlet b (8) and air outlet b (14), described air outlet b (14) is connected with rock-bed b (25) by the 3rd airduct (G3);

Enter rear flow direction by air in described second machine unit shell and be disposed with screen pack b (9), pre-cooling of fresh air room b (10), the second material filling type evaporative cooling unit and pressure fan b (13), described pre-cooling of fresh air room b (10) is connected with rock-bed b (25) by the 4th airduct (G4).

6. compound air-conditioning system according to claim 5, it is characterized in that, described second material filling type evaporative cooling unit, include filler b (12), the surrounding of described filler b (12) is vertically provided with many high pressure water jet pipes, the bottom of many high pressure water jet pipes was communicated with by communicating pipe, communicating pipe is connected with external water tank b (34) by the second feed pipe, every root high pressure water jet pipe is evenly provided with multiple high-pressure fine-spray nozzle b (11) towards filler b (12) shower water; Described second feed pipe is provided with water pump.

7. compound air-conditioning system according to claim 5, is characterized in that, is provided with air-valve g (37) in described 3rd airduct (G3);

Be provided with air-valve h (38) in the mouth of pipe that described 4th airduct (G4) is connected with pre-cooling of fresh air room b (10), in the mouth of pipe that described 4th airduct (G4) is connected with rock-bed b (25), be provided with temperature sensor b (28) and air-valve b (29).

8. compound air-conditioning system according to claim 1, it is characterized in that, described 3rd Evaporative Cooling Air Conditioning unit (C), include the 3rd machine unit shell, one sidewall of described 3rd machine unit shell sets out air port (21), be provided with the cold air chamber (15) of band cold air inlet (16) in described 3rd machine unit shell, between described cold air chamber (15) and air outlet (21), be disposed with direct evaporating-cooling unit, water fender (19) and blower fan (20); Described cold air inlet (16) is connected with tendencies pipe (G5), described tendencies pipe (G5) is connected with rock-bed a (24) by the 6th airduct (G6), and described tendencies pipe (G5) is also connected with rock-bed b (25) by the 7th airduct (G7).

9. compound air-conditioning system according to claim 8, it is characterized in that, described direct evaporating-cooling unit, include filling block (18), the top of described filling block (18) is provided with water distributor (17), described water distributor (17) is provided with multiple nozzle towards filling block (18) shower water; The below of described filling block (18) is provided with header tank (22), and described header tank (22) is connected with water distributor (17) by water pipe, and described water pipe is provided with water pump;

Described tendencies pipe (G5) and cold air inlet (16) junction are provided with air-valve i (39);

Temperature sensor c (30) and air-valve c (31) is provided with in described 6th airduct (G6);

Temperature sensor d (32) and air-valve d (33) is provided with in described 7th airduct (G7).

10. compound air-conditioning system according to claim 1, is characterized in that, described electric power reforming unit is made up of the controller connected successively by wire (41), battery (42) and inverter (43).