CN203893343U - Integrated air conditioning unit combining evaporative cooling and mechanical refrigeration - Google Patents

Abstract

The utility model discloses an integrated air conditioning unit combining evaporative cooling and mechanical refrigeration. The integrated air conditioning unit comprises a unit shell, and the inner portion of the unit shell is divided into an upper air channel and a lower air channel. In the lower air channel, the two opposite side walls of the unit shell are provided with an output air inlet and an air supply outlet respectively, an air filter, a tubular indirect evaporative cooler, an evaporator, a direct evaporative cooler and a blower are sequentially arranged between the output air inlet and the air supply outlet, and an air return channel is formed between the tubular indirect evaporative cooler and the evaporator. A condenser and a compressor are arranged in the upper air channel, the condenser is arranged above the tubular indirect evaporative cooler, a water baffle is arranged between the condenser and the tubular indirect evaporative cooler, and a working air outlet is formed in the top wall, corresponding to the top of the condenser, of the unit shell. According to the integrated air conditioning unit, while the two technologies are combined, internal equipment of the unit is arranged reasonably, and therefore the structure of the unit is more compact; the air conditioning unit further has a summer cooling mode and a winter heating mode, and the use rate of the unit is increased.

Description

Integrated air conditioning unit combining evaporative cooling and mechanical refrigeration

technical field

The utility model belongs to the technical field of air-conditioning equipment, in particular to an integrated air-conditioning unit combining evaporative cooling and mechanical refrigeration.

technical background

With the development of my country's economy, people's requirements for environmental comfort are getting higher and higher. However, when traditional mechanical refrigeration is running, it consumes a lot of energy, and its energy-saving potential is also huge. In the context of the national policy of energy conservation and emission reduction, making full use of the dry air energy that exists widely in the air, and combining dry air energy with evaporative cooling technology and mechanical refrigeration technology can effectively reduce the energy consumption of air conditioners. In addition, if the two technologies can be combined and the equipment inside the unit can be reasonably arranged to make the structure more compact and smaller, it will be more conducive to saving the space for placement.

Utility model content

The purpose of the utility model is to provide an integrated air conditioning unit combining evaporative cooling and mechanical refrigeration, which not only has a cooling mode in summer and a heating mode in winter, but also has a compact structure.

The technical solution adopted by the utility model is that the integrated air-conditioning unit combined with evaporative cooling and mechanical refrigeration includes an organic unit casing, and the unit casing is divided into upper and lower air ducts;

In the lower air duct: the output air inlet and the air supply port are respectively arranged on the opposite side walls of the unit shell, and the air filter and the tubular indirect evaporative cooler are arranged in sequence between the output air inlet and the air supply port according to the flow direction of the working air , evaporator, direct evaporative cooler and blower, a return air passage is formed between the tubular indirect evaporative cooler and the evaporator, and the lower part of the side wall of the unit shell corresponding to the lower part of the return air passage is provided with a return air outlet;

A condenser and a compressor are installed in the upper air duct respectively. The condenser is arranged above the tube-type indirect evaporative cooler. A water baffle is set between the condenser and the tube-type indirect evaporative cooler. A working air exhaust port is arranged on the top wall.

The utility model is also characterized in that:

A working air exhaust fan is arranged in the working air exhaust port.

The compressor is arranged above the evaporator;

The compressor is connected with the condenser, the four-way valve and the evaporator in sequence through pipelines to form a closed circuit to form a mechanical refrigeration system.

The tube indirect evaporative cooler is a horizontal tube indirect evaporative cooler.

The horizontal tubular indirect evaporative cooler includes a horizontal heat exchange tube group, a first water distributor is arranged above the horizontal heat exchange tube group, and a first water reservoir is arranged below the horizontal heat exchange tube group. The first water storage tank is connected to the first water distributor through the first water supply pipe, and the first water distributor is provided with a first circulating water pump;

A secondary air flow channel is formed between the horizontal heat exchange tube group and the first water storage tank, and a secondary air inlet is provided on the side wall of the unit housing corresponding to the secondary air flow channel.

The horizontal heat exchange tube group is composed of multiple horizontally arranged heat exchange tubes.

The first water distributor adopts spraying branch pipes or nozzles; the first water reservoir is provided with a replenishment valve.

The direct evaporative cooler includes a filler, a second water distributor is arranged above the filler, a second water reservoir is arranged below the filler, a water filter is arranged in the second reservoir, and the water filter passes through the second water supply pipe It is connected with the second water distributor, and the second water supply pipe is provided with a second circulating water pump.

The filler is paper, metal, porous ceramic or PVC filler.

The second water distributor adopts a spray branch pipe or a nozzle; the second reservoir is provided with a replenishing valve.

The beneficial effects of the utility model are:

(1) The integrated air conditioner unit of the present utility model is formed by combining evaporative cooling technology and mechanical refrigeration technology, wherein the secondary air generated by the indirect evaporative cooler can provide the condenser of the mechanical refrigeration system with a temperature lower than that of the outdoor air. The cold air at the air temperature, because the temperature of the air entering the condenser as the cooling medium drops, the condensation temperature also drops accordingly, the input power is small, and the cooling capacity increases.

(2) The integrated air-conditioning unit of the present utility model, by rationally arranging the equipment inside the unit, makes the structure of the whole unit compact, which is more conducive to use in places with small spaces.

(3) When the integrated air conditioner unit of the present utility model is used in winter, the mechanical refrigeration system is converted into a heat pump system through the switching mode of the four-way valve, which saves the investment in heating equipment.

Description of drawings

Fig. 1 is a structural schematic diagram of the utility model integrated air conditioning unit.

In the figure, 1. Working air exhaust fan, 2. Four-way valve, 3. Compressor, 4. Packing, 5. Blower fan, 6. Evaporator, 7. Air return port, 8. Horizontal heat exchange tube group, 9. Secondary air inlet, 10. Output air inlet, 11. Air filter, 12. Water baffle, 13. Condenser, 14. Air supply port, 15. First water distributor, 16. First water storage tank, 17. The first water supply pipe, 18. The second water distributor, 19. The second water storage tank, 20. The second water supply pipe.

Detailed ways

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

The integrated air conditioning unit combined with evaporative cooling and mechanical refrigeration of the utility model has a structure as shown in Figure 1, including an organic unit casing, and the unit casing is divided into upper and lower air passages; in the lower air passage: on the opposite side walls of the unit casing The output air inlet 10 and the air supply port 14 are respectively provided, and the air filter 11, the tube-type indirect evaporative cooler, the evaporator 6, and the direct evaporator Cooler and blower 5, a return air passage is formed between the tubular indirect evaporative cooler and the evaporator 6, the lower part of the return air passage corresponds to the lower part of the side wall of the unit housing is provided with a return air outlet 7; the upper air duct is respectively provided with a condenser 13 and The compressor 3 and the condenser 13 are arranged above the tube-type indirect evaporative cooler. A water baffle 12 is arranged between the condenser 13 and the tube-type indirect evaporative cooler. There is a working air exhaust port.

A working air exhaust fan 1 is arranged in the working air exhaust port.

The compressor 3 is arranged above the evaporator 6, and the compressor 3 is connected with the condenser 13, the four-way valve 2, and the evaporator 6 in turn through pipelines to form a closed loop, constituting a mechanical refrigeration system.

The tubular indirect evaporative cooler is a horizontal tubular indirect evaporative cooler, and its structure is shown in Figure 1, including a horizontal heat exchange tube group 8, and a first water distributor is arranged above the horizontal heat exchange tube group 8 15. A first water reservoir 16 is provided below the horizontal heat exchange tube group 8, and the first water reservoir 16 is connected to the first water distributor 15 through the first water supply pipe 17, and the first water distributor 15 is provided with A secondary air flow channel is formed between the first circulating water pump, the horizontal heat exchange tube group 8 and the first storage tank 16 , and a secondary air inlet 9 is provided on the side wall of the unit housing corresponding to the secondary air flow channel.

The structure of the direct evaporative cooler, as shown in Figure 1, includes a packing 4, a second water distributor 18 is arranged above the packing 4, a second water reservoir 19 is arranged below the packing 4, and the second water reservoir 19 A water filter is arranged inside, and the water filter is connected to the second water distributor 18 through the second water supply pipe 20, and the second water supply pipe 20 is provided with a second circulating water pump.

Both the first water distributor 15 and the second water distributor 18 use spraying branch pipes or nozzles; the first water storage tank 16 and the second water storage tank 19 are both provided with replenishment valves.

The horizontal heat exchange tube group 8 is composed of multiple heat exchange tubes arranged horizontally; the filler 4 is made of paper, metal, porous ceramic or PVC filler.

The working process of the integrated air conditioning unit combined with evaporative cooling and mechanical refrigeration of the utility model is as follows:

Summer cooling mode: Turn on the working air exhaust fan 1 and the supply fan 5. In this mode, all the equipment in the unit casing are turned on. The specific method is as follows:

The working air enters the casing of the unit from the secondary air inlet 9, and fully contacts the circulating water sprayed by the first water distributor 15 outside the heat exchange tubes in the horizontal heat exchange tube group 8 for heat and moisture exchange. The tube wall enables the output air entering the horizontal heat exchange tube group 8 from the output air inlet 10 to be wet-cooled. The working air exhaust fan 1 is discharged outside through the working air exhaust port; the output air outside the horizontal heat exchange tube group 8 is sent to the direct evaporative cooler for treatment after being dehumidified and enthalpy-reduced by the evaporator 6, and finally passed through the blower 5 Send into the air-conditioning area with air supply port 14.

Winter heating mode: only the working air exhaust fan 1 is turned on, and the four-way valve 2 in the mechanical refrigeration system is switched to winter mode, so that the mechanical refrigeration system becomes a heat pump system, as follows:

The air enters from the output air inlet 10, is humid-heated by the condenser 13, then enters the direct evaporative cooler for isenthalpic humidification and cooling, and finally is sent into the room through the blower 5 and the air supply port 14.

The integrated air-conditioning unit combining evaporative cooling and mechanical refrigeration of the utility model is composed of a horizontal tubular indirect evaporative cooler, a compressor, a condenser, an evaporator, a four-way valve, a direct evaporative cooler and other auxiliary equipment. The equipment is respectively arranged in the upper and lower floors of the unit shell. By rationally arranging the equipment, the entire air conditioning unit has a compact structure, a reduced volume, and a floor area saved. In addition, the integrated air-conditioning unit combined with evaporative cooling and mechanical refrigeration of the utility model has two operating modes, which are summer cooling mode and winter heating mode, which improves the utilization rate of the unit.

Claims (10)

1. the integral air conditioner unit that evaporative cooling is combined with mechanical refrigeration, is characterized in that, includes machine unit shell, is divided into upper and lower two air channels in machine unit shell;

In described lower air duct: machine unit shell is respectively arranged with output air intake (10), air outlet (14) on relative two side, between described output air intake (10) and air outlet (14), according to control air flow direction, be disposed with air cleaner (11), tube type indirect evaporative cooler, evaporimeter (6), direct evaporative cooler and pressure fan (5), described tube type indirect evaporative cooler and evaporimeter form return air channel between (6), and machine unit shell lower sidewall corresponding to described return air channel bottom is provided with return air inlet (7);

In described upper air duct, be respectively arranged with condenser (13) and compressor (3), described condenser (13) is arranged at the top of tube type indirect evaporative cooler, between described condenser (13) and tube type indirect evaporative cooler, be provided with water fender (12), on the machine unit shell roof of the top correspondence of described condenser (13), be provided with control air exhaust outlet.

2. according to integral air conditioner unit claimed in claim 1, it is characterized in that, in described control air exhaust outlet, be provided with control air exhaust blower (1).

3. according to integral air conditioner unit claimed in claim 1, it is characterized in that, described compressor (3) is arranged at the top of described evaporimeter (6);

Described compressor (3) is connected to form closed-loop path with condenser (13), cross valve (2), evaporimeter (6) successively by pipeline, forms mechanical refrigeration system.

4. according to integral air conditioner unit claimed in claim 1, it is characterized in that, described tube type indirect evaporative cooler is horizontal pipe indirect evaporation cooler.

5. according to integral air conditioner unit claimed in claim 4, it is characterized in that, described horizontal pipe indirect evaporation cooler, include horizontal set of heat exchange tubes (8), the top of described horizontal set of heat exchange tubes (8) is provided with the first water-locator (15), the below of described horizontal set of heat exchange tubes (8) is provided with the first cistern (16), described the first cistern (16) is connected with the first water-locator (15) by the first feed pipe (17), on described the first water-locator (15), is provided with the first water circulating pump;

Between described horizontal set of heat exchange tubes (8) and the first cistern (16), form the auxiliary air passage that flows, described auxiliary air flows on machine unit shell sidewall corresponding to passage and is provided with auxiliary air entrance (9).

6. according to integral air conditioner unit claimed in claim 5, it is characterized in that, described horizontal set of heat exchange tubes (8) is comprised of many horizontally disposed heat exchanger tubes.

7. according to integral air conditioner unit claimed in claim 5, it is characterized in that, described the first water-locator (15) adopts spray arm or nozzle; In described the first cistern (16), be provided with water compensating valve.

8. according to integral air conditioner unit claimed in claim 1, it is characterized in that, described direct evaporative cooler, include filler (4), the top of described filler (4) is provided with the second water-locator (18), the below of described filler (4) is provided with the second cistern (19), in described the second cistern (19), be provided with water filter, described water filter is connected with the second water-locator (18) by the second feed pipe (20), on described the second feed pipe (20), is provided with the second water circulating pump.

9. according to integral air conditioner unit claimed in claim 8, it is characterized in that, what described filler (4) adopted is papery, metal, porous ceramics or PVC filler.

10. according to integral air conditioner unit claimed in claim 8, it is characterized in that, described the second water-locator (18) adopts spray arm or nozzle; In described the second cistern (19), be provided with water compensating valve.