CN211345643U

CN211345643U - Air conditioning system combining solar water heater and active evaporative cooling technology

Info

Publication number: CN211345643U
Application number: CN201921776951.2U
Authority: CN
Inventors: 黄翔; 罗杰任; 田振武; 寇凡; 金洋帆
Original assignee: Xian Polytechnic University
Current assignee: Xian Polytechnic University
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-08-25
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses an air conditioning system combining a solar water heater and an active evaporative cooling technology, which comprises solar chimneys and evaporative cooling wind towers arranged at two sides of a room, wherein the top of the room is also provided with the solar water heater; the evaporative cooling air tower comprises an air inlet positioned at the top of the tower, a filtering unit, a fan, a direct evaporative cooler, a water baffle and an air outlet communicated with a room are sequentially arranged in the air inlet according to the air flowing direction, the direct evaporative cooler is connected with the solar water heater, and a rain-proof cap b is further arranged at the air inlet. The utility model discloses air conditioning system has both solved the indoor ventilation problem in summer of building through using solar water heater, evaporative cooling technique and solar energy chimney simultaneously, can realize cooling, humidification process to the air effectively simultaneously, reduces indoor pollutant, has improved the annual utilization ratio of solar energy.

Description

Air conditioning system combining solar water heater and active evaporative cooling technology

Technical Field

The utility model belongs to the technical field of air conditioning equipment, concretely relates to air conditioning system of compound solar water heater and active evaporative cooling technique.

Background

The evaporative cooling technology is characterized in that the heat is taken away by utilizing the latent heat of vaporization when fluid boils in principle; the cooling effect of evaporative cooling is more pronounced because the latent heat of vaporization of a fluid is much greater than the specific heat of the fluid.

The solar water heater is a heating device for converting solar energy into heat energy, and heats water from low temperature to high temperature so as to meet the requirement of hot water in life and production of people. The solar water heater is divided into a vacuum tube type solar water heater and a flat plate type solar water heater according to the structural form, and mainly uses the vacuum tube type solar water heater as a main part. The vacuum tube type domestic solar water heater is composed of heat collecting tube, water storage tank and support, and can convert solar energy into heat energy, and mainly depends on the vacuum heat collecting tube, and the vacuum heat collecting tube can utilize the principle of that hot water floats upwards and cold water sinks to make water produce microcirculation to obtain the required hot water.

The solar hot water technology is widely applied in China, but the annual utilization rate of solar energy is still not high, the solar hot water technology is combined with an evaporative cooling ventilation air conditioner, the solar hot water technology has the advantages of energy conservation, environmental protection, reproducibility and the like, and the annual utilization rate of the solar energy can be greatly improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a compound solar water heater and active evaporative cooling technology's air conditioning system has solved the problem that current air conditioning system is low to energy utilization.

The utility model adopts the technical proposal that the air conditioning system combining the solar water heater and the active evaporative cooling technology comprises a solar chimney and an evaporative cooling wind tower which are positioned at the two sides of a room, and the top of the room is also provided with the solar water heater;

the evaporative cooling air tower comprises an air inlet positioned at the top of the tower, a filtering unit, a fan, a direct evaporative cooler, a water baffle and an air outlet communicated with a room are sequentially arranged in the air inlet according to the air flowing direction, the direct evaporative cooler is connected with the solar water heater, and a rain-proof cap b is further arranged at the air inlet.

The utility model is also characterized in that,

the filtering unit is specifically a primary filter.

The direct evaporative cooler comprises plant fiber filler, a water distributor is arranged at the top of the plant fiber filler, a circulating water tank is arranged at the bottom of the plant fiber filler, the water distributor is connected with the circulating water tank through a water supply pipe, and a solar water heater is further connected to the water supply pipe.

A circulating water pump is arranged on the water supply pipe;

and a water replenishing pipe and a water discharging pipe are also distributed on the circulating water tank.

The solar chimney is a channel formed by sealing a room wall and a transparent glass plate, the top of the solar chimney is provided with an air outlet, and the room wall is provided with an indoor air inlet.

A rain-proof cap a is arranged at the air outlet.

The wall body of the room forming the solar chimney is specifically a Trombe wall.

The outer wall of the Trombe wall is coated with a heat insulation material layer; the outer wall of the transparent glass plate is coated with a heat absorbing material layer.

The utility model has the advantages that:

(1) the utility model discloses air conditioning system utilizes solar energy and auxiliary fan as the drive power of air current channel in the formula of ventilating evaporation cooling wind tower down, compares current evaporation cooling technique, has both solved the indoor ventilation problem in summer of building, reduces indoor pollutant, has reduced indoor temperature simultaneously again, has improved the utilization ratio of solar energy;

(2) the air conditioning system of the utility model can strengthen the Trombe wall to absorb the solar radiation heat by coating the heat absorption material layer outside the Trombe wall, thereby effectively reducing the heat transfer from the hot air in the solar chimney to the indoor;

(3) the utility model discloses air conditioning system uses to pack as the breakwater, can be detained the water droplet that brings out because of the air current flows in the tower in the wind tower on the one hand, and on the other hand when this part of air current was filled, can further carry out the heat and moisture exchange with the water film on filling, further increases the cooling range of air, improves the cooling effect.

Drawings

Fig. 1 is a schematic structural diagram of an air conditioning system of the composite solar water heater and active evaporative cooling technology of the present invention.

In the figure, 1, a rain-proof cap a, 2, an air outlet, 3, an air inlet, 4, a water distributor, 5, a heat absorbing material layer, 6, a primary filter, 7, a rain-proof cap b, 8, plant fiber filler, 9, a water supply pipe, 10, a circulating water pump, 11, a water replenishing pipe, 12, a drain pipe, 13, a water baffle, 14, a circulating water tank, 15, a Trombe wall, 16, a heat insulation material layer, 17, an evaporative cooling air tower, 18, a solar chimney, 19, a transparent glass plate, 20, a solar water heater, 21, an air outlet, 22, an indoor air inlet, 23, a fan,

Detailed Description

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

The air conditioning system combining the solar water heater and the active evaporative cooling technology of the utility model comprises a solar chimney 18 and an evaporative cooling wind tower 17 which are positioned at the two sides of a room, and a solar water heater 20 is arranged at the top of the room as shown in figure 1;

the evaporative cooling wind tower 17 comprises a wind inlet 3 positioned at the top of the tower, a filtering unit, a fan 23, a direct evaporative cooler, a water baffle 13 and a wind outlet 21 communicated with a room are sequentially arranged in the wind inlet 3 according to the air flowing direction, the direct evaporative cooler is connected with the solar water heater 20, and a rain-proof cap b7 is further arranged at the wind inlet 3.

The water baffle 13 can be obliquely arranged, so that the contact area between air and the water baffle 13 is increased, the water passing amount is reduced, and the water retaining effect is better.

The filtering unit is specifically a primary filter 6 for filtering impurities such as impurities.

The direct evaporative cooler comprises a plant fiber filler 8, a water distributor 4 is arranged at the top of the plant fiber filler 8, a circulating water tank 14 is arranged at the bottom of the plant fiber filler 8, the water distributor 4 and the circulating water tank 14 are connected through a water supply pipe 9, and a solar water heater 20 is further connected to the water supply pipe 9. The solar water heater 20 may deliver the prepared hot water to a kitchen, a toilet, etc. through a water pipe.

A water supply pipe 9 is provided with a circulating water pump 10; a water replenishing pipe 11 and a water discharging pipe 12 are also distributed on the circulating water tank 14; the water supply pipe 11 and the water discharge pipe 12 supply water to the circulation tank 14.

The solar chimney 18 is formed by sealing a room wall and a transparent glass plate 19, the top of the solar chimney 18 is provided with an air outlet 2, and the room wall is provided with an indoor air inlet 22.

A rain-proof cap a1 is arranged at the air outlet 2.

The wall of the room constituting the solar chimney 18 is specifically a Trombe wall 15.

The outer wall of the Trombe wall 15 is coated with a heat insulation material layer 16, and the heat insulation material layer 16 prevents indoor heat from dissipating; the outer wall of the transparent glass plate 19 is coated with a heat absorbing material layer 5 which can absorb heat generated by solar irradiation.

The utility model discloses air conditioning system's of compound solar water heater and active evaporative cooling technique working process as follows:

(1) the working process of the wind system is as follows:

the air in the solar chimney 18 is heated by solar radiation, the air inside and outside the solar chimney 18 forms temperature difference, the temperature difference further forms density difference, the air in the solar chimney 18 is driven to move from bottom to top, the indoor air passes through the passage of the solar chimney 18 continuously through the indoor air inlet 22 and is discharged from the air outlet 2, and therefore the outdoor air is driven to be sent into the room;

outdoor fresh air firstly enters the evaporative cooling air tower 17 through the air inlet 3, is filtered by the primary filter 6, is subjected to isenthalpic cooling by the direct evaporative cooler, and is sent into a room through the air outlet 21, so that indoor air is continuously discharged, and outdoor fresh air is continuously sent in and circulates repeatedly.

If the indoor air quantity is required, the air quantity can be adjusted by the fan 23.

(2) The working process of the water system is as follows:

water supply pipe 11 and water discharge pipe 12

The water supplementing pipe 11 injects water into the circulating water tank 14, the water is sent into the water distributor 4 along the water supply pipe 9 under the power action of the circulating water pump 10, and the water is sprayed by the water distributor 4 and then uniformly distributed along the plant fiber filler 8 to form a water film which is subjected to heat and moisture exchange with air, wherein one part of the water is taken away by the air and falls on the water retaining filler 13, and the other part of the water falls back into the circulating water tank 14;

the other part of the circulating water is communicated to a kitchen of a user through the solar water heater 20, and a toilet is used by the user and is circulated;

when the water level is too low, the water replenishing pipe 25 starts replenishing water to meet the requirement.

The utility model discloses air conditioning system has both solved the indoor ventilation problem in summer of building through using solar water heater 20, evaporative cooling technique and solar energy chimney 18 simultaneously, can realize cooling, humidification process to the air effectively simultaneously, reduces indoor pollutant, has improved the annual utilization ratio of solar energy.

Claims

1. The air conditioning system combining the solar water heater and the active evaporative cooling technology is characterized by comprising solar chimneys (18) and evaporative cooling wind towers (17) which are positioned at two sides of a room, wherein the top of the room is also provided with the solar water heater (20);

the evaporative cooling air tower (17) comprises an air inlet (3) positioned at the top of the tower, a filtering unit, a fan (23), a direct evaporative cooler, a water baffle (13) and an air outlet (21) communicated with a room are sequentially arranged in the air inlet (3) according to the air flowing direction, the direct evaporative cooler is connected with a solar water heater (20), and a rain-proof cap b (7) is further arranged at the air inlet (3).

2. Air conditioning system according to claim 1, characterized in that the filter unit is embodied as a primary filter (6).

3. The air conditioning system as claimed in claim 1, wherein the direct evaporative cooler comprises plant fiber filler (8), a water distributor (4) is arranged on the top of the plant fiber filler (8), a circulating water tank (14) is arranged on the bottom of the plant fiber filler (8), the water distributor (4) and the circulating water tank (14) are connected through a water supply pipe (9), and a solar water heater (20) is further connected to the water supply pipe (9).

4. Air conditioning system according to claim 3, characterized in that a circulating water pump (10) is provided on the water supply pipe (9);

and a water replenishing pipe (11) and a water discharging pipe (12) are also distributed on the circulating water tank (14).

5. The air conditioning system as claimed in claim 1, wherein the solar chimney (18) is a channel sealed by a room wall and a transparent glass plate (19), the top of the solar chimney (18) is an air outlet (2), and the room wall is provided with an indoor air inlet (22).

6. Air conditioning system according to claim 5, characterized in that a rain-proof cap a (1) is arranged at the air outlet (2).

7. Air conditioning system according to claim 5, characterized in that the room walls that make up the solar chimney (18) are in particular Trombe walls (15).

8. Air conditioning system according to claim 7, characterized in that the Trombe wall (15) is coated on its outer wall with a layer (16) of insulating material; the outer wall of the transparent glass plate (19) is coated with a heat absorbing material layer (5).