A cooling fan

Abstract

A cold air machine includes a water tank, a wet curtain, a first water pan, a second water pan, a first condensing tube and a second condensing tube. The first condensing tube is arranged in the first water pan, and the second condensing tube is arranged in the second water pan. The water tank, the wet curtain, the first water pan and the second water pan are connected in sequence, and the second water pan is connected to the water tank to form a circulating water circuit. The utility model can improve the condensing power and the refrigeration effect by arranging a double-layer condensing tube, namely the first condensing tube and the second condensing tube, so that the cold air machine is suitable for higher power refrigeration. The water tank includes a first water storage chamber and a second water storage chamber, and the first water storage chamber and the second water storage chamber are respectively connected to the wet curtain, that is, the water tank is also double-layered, which can also improve the condensing power. In addition, the first water pan and the second water pan are respectively arranged corresponding to the first condensing tube and the second condensing tube, which can ensure that the first condensing tube and the second condensing tube have better heat exchange efficiency and heat exchange effect.

Description

Technical Field

[0001] The utility model relates to the technical field of air coolers, in particular to an air cooler. Background Art

[0002] Chinese patent document number CN113251526A disclosed an air cooler on August 13, 2021, including a lower water tank, a water receiving pan, a condenser pipe and a wet curtain assembly; the water receiving pan is arranged above the lower water tank, a water flow channel is formed on the water receiving pan, the water flow channel has a water droplet, and the water droplet is connected to the lower water tank; the condenser pipe is arranged in the water flow channel; the wet curtain assembly is located above the water flow channel. This air cooler is equipped with a single condenser pipe for cooling, and the condensing power is low, which is not suitable for high-power cooling.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The utility model aims to provide a cold air fan with simple structure, high condensing power, large refrigeration power, good cooling effect and strong practicality, so as to overcome the shortcomings of the prior art.

[0005] An air cooler designed for this purpose is characterized by comprising a water tank, a wet curtain, a first water tray, a second water tray, a first condenser and a second condenser, the first condenser being arranged in the first water tray, the second condenser being arranged in the second water tray, the water tank, the wet curtain, the first water tray and the second water tray being connected in sequence, and the second water tray being connected to the water tank to form a circulating water circuit.

[0006] The water tank comprises a first water storage chamber and a second water storage chamber, and the first water storage chamber and the second water storage chamber are respectively connected to the wet curtain.

[0007] It also includes a third water pan, the wet curtain, the third water pan and the first water pan are connected in sequence, and the wet curtain, the third water pan, the first water pan, the second water pan and the water tank are arranged up and down in sequence.

[0008] The first water tray is provided with an annular first water channel, the first condenser is annular and located on the first water channel; the second water tray is provided with an annular second water channel, the second condenser is annular and located on the second water channel; the third water tray is provided with a third water channel.

[0009] A water drop hole is provided at the bottom of the wet curtain, a first through hole is provided at the bottom of the first water channel, a second through hole is provided at the bottom of the second water channel, and a third through hole is provided at the bottom of the third water channel. The wet curtain is connected to the third water channel through the water drop hole, the third water channel is connected to the first water channel through the third through hole, the first water channel is connected to the second water channel through the first through hole, and the second water channel is connected to the first water storage chamber and / or the second water storage chamber through the second through hole.

[0010] A first guide slope is arranged on the side wall of the first water channel, and the lower end of the first guide slope is connected to the bottom wall of the first water channel; a second guide slope is arranged on the side wall of the second water channel, and the lower end of the second guide slope is connected to the bottom wall of the second water channel; third guide slopes are respectively arranged on both sides of the bottom wall of the third water channel, and the lower ends of the two third guide slopes are connected to each other.

[0011] A first overflow hole is protrudingly provided on the third water channel, the height of the first overflow hole is higher than the height of the third through hole, and the third water channel is connected to the first water channel through the first overflow hole.

[0012] An overflow trough is protrudingly provided on one side of the third water channel, a second overflow hole is protrudingly provided on the overflow trough, a water passing trough is provided on one side of the first water channel, a water drop trough is protrudingly provided on one side of the second water channel, and the third water channel, the overflow trough, the second overflow hole, the water passing trough, the water drop trough and the second water channel are connected in sequence.

[0013] A water pump is arranged in the first water storage chamber and / or the second water storage chamber, a water inlet hole is arranged on the top of the wet curtain, and the water outlet end of the water pump is connected to the wet curtain through a water pipe and the water inlet hole in sequence.

[0014] It also includes a main unit, wet curtains are distributed around the main unit, and the third water channel is annularly distributed on the third water tray, and the third water channel corresponds to the wet curtains one by one.

[0015] The utility model can improve the condensing power and the cooling effect by arranging a double-layer condenser, namely a first condenser and a second condenser, so that the air cooler is suitable for higher-power cooling. The water tank comprises a first water storage chamber and a second water storage chamber, and the first water storage chamber and the second water storage chamber are respectively connected to a wet curtain, namely the water tank is also double-layered and can also improve the condensing power. In addition, a first water tray and a second water tray are respectively arranged corresponding to the first condenser and the second condenser, so as to ensure that the first condenser and the second condenser have better heat exchange efficiency and heat exchange effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the cooling fan in one embodiment of the utility model.

[0017] Figure 2 It is a cross-sectional view of an air cooler in one embodiment of the utility model.

[0018] Figure 3 It is a cross-sectional view of another aspect of the air cooler in one embodiment of the utility model.

[0019] Figure 4 It is a partial structural schematic diagram of a cooling air machine in one embodiment of the utility model.

[0020] Figure 5 It is a schematic diagram of the assembly structure of a water tank and a water pump in one embodiment of the utility model.

[0021] Figure 6 It is a schematic diagram of the overall structure of the wet curtain in one embodiment of the utility model.

[0022] Figure 7 It is a schematic diagram of the overall structure of the third water tray in one embodiment of the utility model.

[0023] Figure 8 It is a schematic diagram of the overall structure of the first water tray in one embodiment of the utility model.

[0024] Fig. 9 It is a schematic diagram of the overall structure of the second water tray in one embodiment of the utility model. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0026] See also Figure 1-Figure 9 The air cooler comprises a water tank 1, a wet curtain 2, a first water pan 3, a second water pan 4, a first condensing tube 5 and a second condensing tube 6. The first condensing tube 5 is arranged in the first water pan 3, and the second condensing tube 6 is arranged in the second water pan 4. The water tank 1, the wet curtain 2, the first water pan 3 and the second water pan 4 are connected in sequence, and the second water pan 4 is connected to the water tank 1 to form a circulating water circuit; the water in the water tank 1 is pumped to the top of the wet curtain 2 by the water pump 25 and poured onto the wet curtain 2. After the wet curtain 2 is wetted, a part of the water on the wet curtain 2 evaporates and absorbs heat to reduce the temperature of the surrounding air, and another part of the water on the wet curtain 2 flows directly downward and flows to the first water pan 3 to cool the first condensing tube 5, and then the water continues to flow downward into the second water pan 4 to cool the second condensing tube 6, and then the water continues to flow downward back to the water tank 1, and the water pump 25 pumps the water in the water tank 1 to the wet curtain 2 again, and the cycle is repeated so that the condensing tube can always exchange heat with water at a lower temperature, thereby improving the heat exchange efficiency and heat exchange effect.

[0027] The water tank 1 includes a first water storage chamber 7 and a second water storage chamber 8, which are respectively connected to the wet curtain 2. The water pump 25 pumps the water in the first water storage chamber 7 and the second water storage chamber 8 to different wet curtains 2 respectively; the first water storage chamber 7 and the second water storage chamber 8 are separated by a middle partition 29.

[0028] It also includes a third water tray 9, the wet curtain 2, the third water tray 9 and the first water tray 3 are connected in sequence, and the wet curtain 2, the third water tray 9, the first water tray 3, the second water tray 4 and the water tank 1 are arranged up and down in sequence; when another part of the water on the wet curtain 2 flows downward, it first flows to the third water tray 9, and then flows downward to the first water tray 3, so as to prevent another part of the water on the wet curtain 2 from directly splashing onto the first condenser tube 5, but slowly flows to the first condenser tube 5 through the first water tray 3, thereby improving the cooling effect on the condenser tube.

[0029] A first annular water channel 10 is arranged on the first water tray 3, and the first condenser 5 is annular and located on the first water channel 10; a second annular water channel 11 is arranged on the second water tray 4, and the second condenser 6 is annular and located on the second water channel 11; a third water channel 12 is arranged on the third water tray 9; the first water channel 10 and the second water channel 11 are annular and have a small width, and the first condenser 5 and the second condenser 6 are also annular, so that the water flow rate in the first water channel 10 and the second water channel 11 is faster, thereby improving the cooling effect on the condenser.

[0030] The first condensation tube 5 and the second condensation tube 6 are arranged in a spiral shape.

[0031] A water drop hole 13 is provided at the bottom of the wet curtain 2, a first through hole 14 is provided at the bottom of the first water channel 10, a second through hole 15 is provided at the bottom of the second water channel 11, and a third through hole 16 is provided at the bottom of the third water channel 12. The wet curtain 2 is connected to the third water channel 12 through the water drop hole 13, the third water channel 12 is connected to the first water channel 10 through the third through hole 16, the first water channel 10 is connected to the second water channel 11 through the first through hole 14, and the second water channel 11 is connected to the first water storage chamber 7 and / or the second water storage chamber 8 through the second through hole 15; the second through hole 15 is located at the bottom of the side wall of the second water channel 11; in this embodiment, the first water storage chamber 7 is a large water storage chamber, the second water storage chamber 8 is a small water storage chamber, and the second through hole 15 is connected to the first water storage chamber 7.

[0032] A first guide slope 17 is provided on the side wall of the first water channel 10, the lower end of the first guide slope 17 is connected to the bottom wall of the first water channel 10, and the first through hole 14 is located on the bottom wall of the first water channel 10; a second guide slope 18 is provided on one side wall of the second water channel 11, the lower end of the second guide slope 18 is connected to the bottom wall of the second water channel 11, and the second through hole 15 is located at the bottom of the other side wall of the second water channel 11; third guide slopes 19 are respectively provided on both sides of the bottom wall of the third water channel 12, the lower ends of the two third guide slopes 19 are connected to each other, and the third through hole 16 is located at the lower ends of the two third guide slopes 19; the guide slopes can ensure that the water falling from the wet curtain 2 can be gathered on the water channel, further improving the cooling effect on the condenser.

[0033] A first overflow hole 20 is protrudingly provided on the third water channel 12. The height of the first overflow hole 20 is higher than that of the third through hole 16. The third water channel 12 is connected to the first water channel 10 through the first overflow hole 20. When the amount of water in the third water channel 12 is large, it can overflow to the first water channel 10 through the first overflow hole 20 to prevent water from overflowing from the third water tray 9.

[0034] An overflow groove 21 is protrudingly provided on one side of the third water channel 12, and a second overflow hole 22 is protrudingly provided on the overflow groove 21. A water passing groove 23 is provided on one side of the first water channel 10, and a water drop groove 24 is protrudingly provided on one side of the second water channel 11. The third water channel 12, the overflow groove 21, the second overflow hole 22, the water passing groove 23, the water drop groove 24 and the second water channel 11 are connected in sequence; when the amount of water in the third water channel 12 is large, it can overflow to the first water channel 10 through the second overflow hole 22 to prevent water from overflowing from the third water tray 9.

[0035] A water pump 25 is provided in the first water storage chamber 7 and the second water storage chamber 8 , a water inlet hole 26 is provided on the top of the wet curtain 2 , and the water outlet of the water pump 25 is connected to the wet curtain 2 through a water pipe 27 and the water inlet hole 26 in turn.

[0036] It also includes a main unit 28, wet curtains 2 are distributed on the rear side and left and right sides of the main unit 28, the third water channel 12 is distributed in a ring on the third water tray 9, the third water channel 12 corresponds to the wet curtains 2 one by one, and another part of the water on each wet curtain 2 falls on the corresponding third water channel 12; the water pump 25 pumps the water in the first water storage chamber 7 to each wet curtain 2, and the water pump 25 pumps the water in the second water storage chamber 8 to one of the wet curtains 2.

[0037] The first water channel 10 is provided with a first water barrier 30 for separating the first water channel 10, and the first through hole 14 is located on one side of the first water barrier 30; the second water channel 11 is provided with a second water barrier 31 for separating the second water channel 11, and the second through hole 15 is located on one side of the second water barrier 31; the above structure can ensure that water flows throughout the first water channel 10 and the second water channel 11, thereby ensuring heat exchange with the condenser.

[0038] A plurality of third water-blocking ribs 32 are distributed in an annular manner on the third water tray 9 , and the third water-blocking ribs 32 divide the third water tray 9 into a third water channel 12 distributed in an annular manner.

[0039] The main unit 28 is provided with a compressor 33, an evaporator, a wind wheel and an expansion valve. The evaporator, the compressor 33, the condenser (the first condenser 5 and the second condenser 6) and the expansion valve are connected in sequence, and the expansion valve is connected to the evaporator, so that the evaporator, the compressor 33, the condenser and the expansion valve form a circulation flow path. The refrigerant undergoes temperature and pressure changes in the circulation flow path, and realizes evaporation heat absorption in the evaporator and condensation heat release in the condenser; the above structure is the prior art and is not described in detail here; an air inlet connected to the outside is provided on one side of the wet curtain 2, and the evaporator is provided on the other side of the wet curtain 2. The hot air from the outside is cooled for the first time through the wet curtain 2, and then cooled for the second time through the evaporator. The cold air formed after cooling is sent out of the air cooler through the wind wheel. The above structure is the prior art, and reference can be made to patent CN213454004U.

[0040] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A cooling fan, characterized in that: The invention comprises a water tank (1), a wet curtain (2), a first water tray (3), a second water tray (4), a first condensation pipe (5) and a second condensation pipe (6), wherein the first condensation pipe (5) is arranged in the first water tray (3), the second condensation pipe (6) is arranged in the second water tray (4), the water tank (1), the wet curtain (2), the first water tray (3) and the second water tray (4) are connected in sequence, and the second water tray (4) is connected to the water tank (1), so as to form a circulating water circuit.

2. The air cooler according to claim 1, characterized in that: The water tank (1) comprises a first water storage chamber (7) and a second water storage chamber (8), and the first water storage chamber (7) and the second water storage chamber (8) are respectively connected to the wet curtain (2).

3. The air cooler according to claim 2, characterized in that: It also comprises a third water pan (9), the wet curtain (2), the third water pan (9) and the first water pan (3) are connected in sequence, and the wet curtain (2), the third water pan (9), the first water pan (3), the second water pan (4) and the water tank (1) are arranged in sequence up and down.

4. The air cooler according to claim 3, characterized in that: The first water tray (3) is provided with a first annular water channel (10), and the first condenser tube (5) is annular and located on the first water channel (10); the second water tray (4) is provided with a second annular water channel (11), and the second condenser tube (6) is annular and located on the second water channel (11); and the third water tray (9) is provided with a third water channel (12).

5. The air cooler according to claim 4, characterized in that: A water drop hole (13) is provided at the bottom of the wet curtain (2), a first through hole (14) is provided at the bottom of the first water channel (10), a second through hole (15) is provided at the bottom of the second water channel (11), and a third through hole (16) is provided at the bottom of the third water channel (12); the wet curtain (2) is connected to the third water channel (12) through the water drop hole (13), the third water channel (12) is connected to the first water channel (10) through the third through hole (16), the first water channel (10) is connected to the second water channel (11) through the first through hole (14), and the second water channel (11) is connected to the first water storage chamber (7) and / or the second water storage chamber (8) through the second through hole (15).

6. The air cooler according to claim 5, characterized in that: A first guiding slope (17) is provided on the side wall of the first water channel (10), and the lower end of the first guiding slope (17) is connected to the bottom wall of the first water channel (10); a second guiding slope (18) is provided on the side wall of the second water channel (11), and the lower end of the second guiding slope (18) is connected to the bottom wall of the second water channel (11); and third guiding slopes (19) are respectively provided on both sides of the bottom wall of the third water channel (12), and the lower ends of the two third guiding slopes (19) are connected to each other.

7. The air cooler according to claim 5, characterized in that: A first overflow hole (20) is protrudingly provided on the third water channel (12); the height of the first overflow hole (20) is higher than the height of the third through hole (16); and the third water channel (12) is connected to the first water channel (10) via the first overflow hole (20).

8. The air cooler according to claim 7, characterized in that: An overflow groove (21) is protrudingly provided on one side of the third water channel (12), a second overflow hole (22) is protrudingly provided on the overflow groove (21), a water passage groove (23) is provided on one side of the first water channel (10), and a water drop groove (24) is protrudingly provided on one side of the second water channel (11); the third water channel (12), the overflow groove (21), the second overflow hole (22), the water passage groove (23), the water drop groove (24) and the second water channel (11) are sequentially connected.

9. The air cooler according to claim 5, characterized in that: A water pump (25) is arranged in the first water storage chamber (7) and / or the second water storage chamber (8), a water inlet hole (26) is arranged at the top of the wet curtain (2), and a water outlet end of the water pump (25) is connected to the wet curtain (2) via a water pipe (27) and the water inlet hole (26) in sequence.

10. The air cooler according to claim 9, characterized in that: It also includes a main unit (28), the wet curtains (2) are distributed around the main unit (28), the third water channels (12) are distributed in an annular manner on the third water tray (9), and the third water channels (12) correspond one to one with the wet curtains (2).

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