Efficient heat exchange double-core air conditioning unit

Abstract

The utility model relates to the technical field of air conditioners, in particular to an efficient heat exchange double-core air conditioning unit which comprises a box body. A first heat exchange core body is arranged on one side of the box body; a second heat exchange core body is arranged on the other side of the box body; the first heat exchange core body is provided with a first air duct and a second air duct; the second heat exchange core body is provided with a third air duct and a fourth air duct; a first air supply cavity is formed between the bottom of the first air duct and one side wall of the box body; and a second air supply cavity is formed between the bottom of the third air duct and the other side wall of the box body. The first heat exchange core body and the second heat exchange core body are simultaneously arranged in the box body, so that the heat exchange efficiency of the whole machine can be effectively improved; in addition, the first evaporator and the second evaporator are arranged on the two sides of the box body respectively, so that the box body can be opened conveniently to disassemble, assemble or maintain the evaporators; in addition, the first air feeder and the second air feeder are arranged, and two rows of air feeders are arranged in the box body, so that the air supply quantity can be effectively improved, and the heat exchange efficiency of the whole machine can be further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning technical field, concretely relates to a double core body air conditioning unit of high -efficient heat transfer. BACKGROUND

[0002] Under the promotion of emerging technologies such as 5G, Internet of Things, cloud computing and artificial intelligence, data centers have experienced explosive growth. In order to meet the needs of these high-performance computing and big data processing, data centers not only need to provide powerful computing capabilities, but also need efficient cooling solutions to ensure the stable operation of equipment. Under this background, indirect evaporative cooling air conditioning units are widely used in the cooling systems of data centers due to their excellent energy-saving performance.

[0003] The indirect evaporative cooling air conditioning unit for data centers generally includes a spraying system, a mechanical refrigeration system, an indoor air system, an outdoor air system, and a heat exchange core for heat exchange between the indoor air and the outdoor air. The existing indirect evaporative cooling air conditioning for data centers mainly has three operating modes: dry mode, wet mode, and mixed mode composed of wet mode and mechanical refrigeration system. Under different meteorological conditions, through the cooperation and switching operation between the evaporative cooling system and the mechanical refrigeration system, seasonal and time period control and adjustment are realized, the condenser of the mechanical refrigeration system is cooled by secondary exhaust air, multi-stage utilization of energy is achieved, and the energy utilization efficiency and the energy efficiency ratio of the system are effectively improved.

[0004] Traditional indirect evaporative cooling air conditioning units usually use a single heat exchange core, which limits the heat exchange area and efficiency, especially under high load conditions, the heat exchange effect is poor, resulting in increased energy consumption. INVENTION CONTENTS

[0005] The utility model discloses a double core body air conditioning unit of high -efficient heat transfer to solve the technical problem of the prior art.

[0006] The utility model discloses a double core body air conditioning unit of high -efficient heat transfer to solve the technical problem of the prior art.

[0007] The first heat exchange core is provided with a first air duct and a second air duct, the second heat exchange core is provided with a third air duct and a fourth air duct, a first air supply cavity is formed between the bottom of the first air duct and one side wall of the cabinet, a second air supply cavity is formed between the bottom of the third air duct and the other side wall of the cabinet, the first air supply cavity is provided with a first evaporator, and the second air supply cavity is provided with a second evaporator.

[0008] The box is provided with a return air outlet and a supply air outlet; the top of the first air duct and the top of the third air duct are communicated with the return air outlet respectively; the first supply air cavity and the second supply air cavity are communicated with the supply air outlet respectively; the first supply air cavity and the supply air outlet are provided with a first supply air fan; the second supply air cavity and the supply air outlet are provided with a second supply air fan.

[0009] The utility model further sets up, the return air outlet includes first return air outlet and second return air outlet, the top of first air duct is communicated with first return air outlet, the top of third air duct is communicated with second return air outlet.

[0010] The utility model further sets up, first return air outlet and second return air outlet are arranged on both sides of the upper portion of the section of the box respectively, the supply air outlet is arranged on the lower portion of the section of the box.

[0011] The utility model further sets up, the top of first air duct and first return air outlet are provided with first return air filter screen, the top of third air duct and second return air outlet are provided with second return air filter screen.

[0012] The utility model further sets up, the middle part of the box is provided with exhaust cavity, the bottom of second air duct and the bottom of fourth air duct are arranged on both sides of exhaust cavity respectively, first condenser and second condenser are arranged in exhaust cavity, first air duct and second air duct are crossed and arranged, third air duct and fourth air duct are crossed and arranged.

[0013] The box is provided with an exhaust outlet communicated with the exhaust cavity; an exhaust fan is arranged between the exhaust cavity and the exhaust outlet; the box is provided with a fresh air outlet; the top of the second air duct and the top of the fourth air duct are communicated with the fresh air outlet respectively.

[0014] The utility model further sets up, the fresh air outlet includes first fresh air outlet and second fresh air outlet, the top of second air duct is communicated with first fresh air outlet, the top of fourth air duct is communicated with second fresh air outlet.

[0015] The utility model further sets up, first fresh air outlet is arranged on one side wall of the box, second fresh air outlet is arranged on the other side wall of the box, the exhaust outlet is arranged in the middle part of the top surface of the box.

[0016] The utility model further sets up, first fresh air outlet is provided with first fresh air filter screen, second fresh air outlet is provided with second fresh air filter screen.

[0017] The utility model further sets up, one end of first condenser and one end of second condenser abut.

[0018] The utility model further sets up, first heat exchange core body and second heat exchange core body are all air-to-air heat exchanger, the cross section shape of first heat exchange core body and the cross section shape of second heat exchange core body are all square.

[0019] The utility model discloses the beneficial effect: the utility model discloses a first heat exchange core body and second heat exchange core body are set up simultaneously in the box, can effectively improve the heat exchange efficiency of whole machine, in addition, first evaporator and second evaporator are set up respectively at the both sides of the box, and the box is opened to evaporator and is disassembled or is maintained conveniently, in addition, through setting up first air blower and second air blower, two rows of air blowers are set up in the box, can effectively improve the air supply air volume, can further improve the heat exchange efficiency of whole machine. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model makes further explanation to the practical new type with the drawing, but the embodiment in the drawing does not constitute any limit to the utility model, and for the ordinary skill in the art, under the premise of not paying the creative labor, still can obtain other drawings according to the following drawing.

[0021] Figure 1 It is the structure schematic diagram of the utility model;

[0022] Among them: 1, the box;2, first heat exchange core body;21, first air duct;22, second air duct;3, second heat exchange core body;31, third air duct;32, fourth air duct;4, first air supply cavity;41, first evaporator;42, first air blower;5, second air supply cavity;51, second evaporator;52, second air blower;6, air supply port;61, first return air port;62, second return air port;63, first return air filter screen;64, second return air filter screen;7, exhaust cavity;71, first condenser;72, second condenser;73, exhaust fan;8, exhaust port;81, first fresh air port;82, second fresh air port. DETAILED DESCRIPTION

[0023] The utility model makes further description to the practical new type in combination with the following embodiment.

[0024] From Figure 1 It can be known that the high-efficiency heat exchange double-core air conditioning unit comprises a box body 1;One side of the box body 1 is provided with a first heat exchange core 2;The other side of the box body 1 is provided with a second heat exchange core 3;The first heat exchange core 2 and the second heat exchange core 3 are spaced apart, that is, the first heat exchange core 2 and the second heat exchange core 3 do not directly contact each other;

[0025] The first heat exchange core 2 is provided with a first air duct 21 and a second air duct 22;The second heat exchange core 3 is provided with a third air duct 31 and a fourth air duct 32;The bottom of the first air duct 21 and one side wall of the box body 1 form a first air supply cavity 4;The bottom of the third air duct 31 and the other side wall of the box body 1 form a second air supply cavity 5;The first air supply cavity 4 is provided with a first evaporator 41;The second air supply cavity 5 is provided with a second evaporator 51;

[0026] The box 1 is provided with a return air inlet and an air supply inlet 6; the top of the first air duct 21 and the top of the third air duct 31 are communicated with the return air inlet respectively; the first air supply cavity 4 and the second air supply cavity 5 are communicated with the air supply inlet 6 respectively; the first air supply cavity 4 and the air supply inlet 6 are provided with a first air supply fan 42; the second air supply cavity 5 and the air supply inlet 6 are provided with a second air supply fan 52.

[0027] Specifically, the high-efficiency heat exchange double-core air conditioning unit can effectively improve the heat exchange efficiency of the whole machine by simultaneously arranging the first heat exchange core 2 and the second heat exchange core 3 in the box 1. In addition, under the action of the first air supply fan 42 and the second air supply fan 52, the indoor return air enters the first air duct 21 and the third air duct 31 from the return air inlet, and then enters the first air supply cavity 4 and the second air supply cavity 5 respectively, and after passing through the first evaporator 41 and the second evaporator 51 respectively, the cold air is sent to the indoor from the air supply inlet 6. The first evaporator 41 and the second evaporator 51 are arranged on both sides of the box 1, which facilitates the disassembly and maintenance of the evaporator by opening the side plate of the box 1. In addition, by arranging the first air supply fan 42 and the second air supply fan 52, two rows of air supply fans are arranged in the box 1, which can effectively improve the air supply volume, thereby further improving the heat exchange efficiency of the whole machine.

[0028] The high-efficiency heat exchange double-core air conditioning unit comprises a box 1, a first heat exchange core 2, a second heat exchange core 3, a first air duct 21, a second air duct 22, a third air duct 31, a first air supply cavity 4, a second air supply cavity 5, a first evaporator 41, a second evaporator 51, a first air supply fan 42 and a second air supply fan 52.

[0029] Through the above arrangement, the indoor return air enters the first air duct 21 and the third air duct 31 from the first return air inlet 61 and the second return air inlet 62 respectively, which increases the space of the return air passage, makes the indoor return air flow temperature of the first air duct 21 of the first heat exchange core 2 and the third air duct 31 of the second heat exchange core 3 more uniform, and the more uniform the air flow temperature is, the higher the heat exchange efficiency at the heat exchange core is. At the same time, the left and right arrangement makes the whole structure more reasonable and reliable.

[0030] The high-efficiency heat exchange double-core air conditioning unit comprises a box 1, a first heat exchange core 2, a second heat exchange core 3, a first air duct 21, a second air duct 22, a third air duct 31, a first air supply cavity 4, a second air supply cavity 5, a first evaporator 41, a second evaporator 51, a first air supply fan 42 and a second air supply fan 52.

[0031] The first return air filter screen 63 is arranged between the top of the first air duct 21 and the first return air outlet 61, and the second return air filter screen 64 is arranged between the top of the third air duct 31 and the second return air outlet 62. Through the above arrangement, impurities can be prevented from entering the first air duct 21 and the third air duct 31.

[0032] The high-efficiency heat exchange double-core air conditioning unit has the following arrangement: the middle part of the box body 1 is provided with an exhaust cavity 7; the bottom of the second air duct 22 and the bottom of the fourth air duct 32 are arranged on the two sides of the exhaust cavity 7 respectively; the first condenser 71 and the second condenser 72 are arranged in the exhaust cavity 7; the first air duct 21 and the second air duct 22 are arranged in a cross manner; the third air duct 31 and the fourth air duct 32 are arranged in a cross manner. Through the above arrangement, indirect heat exchange of the air flow of the first air duct 21 and the second air duct 22 is facilitated, and indirect heat exchange of the air flow of the third air duct 31 and the fourth air duct 32 is facilitated.

[0033] The box body 1 is provided with an exhaust outlet 8 which is in communication with the exhaust cavity 7; the exhaust cavity 7 and the exhaust outlet 8 are provided with an exhaust fan 73; the box body 1 is provided with a fresh air outlet; the top of the second air duct 22 and the top of the fourth air duct 32 are in communication with the fresh air outlet respectively.

[0034] During the operation of the unit, outdoor fresh air enters the second air duct 22 and the fourth air duct 32 from the fresh air outlet under the action of the exhaust fan 73, is mixed in the exhaust cavity 7 after heat exchange and temperature rise, and is discharged from the exhaust outlet 8 after passing through the first condenser 71 and the second condenser 72, so as to discharge the heated outdoor fresh air and the heat of the first condenser 71 and the second condenser 72 out of the box body 1.

[0035] The high-efficiency heat exchange double-core air conditioning unit has the following arrangement: the fresh air outlet includes a first fresh air outlet 81 and a second fresh air outlet 82; the top of the second air duct 22 is in communication with the first fresh air outlet 81; the top of the fourth air duct 32 is in communication with the second fresh air outlet 82. Through the above arrangement, outdoor fresh air enters the second air duct 22 and the fourth air duct 32 from the first fresh air outlet 81 and the second fresh air outlet 82 respectively, so that the structure of the entire unit is more reasonable and reliable.

[0036] The first fresh air outlet 81 is arranged on one side wall of the box body 1, the second fresh air outlet 82 is arranged on another side wall of the box body 1, and the air outlet 8 is arranged on the top surface of the box body 1. Through the above arrangement, the air flow can stably flow, the fresh air outlets are arranged on the opposite left and right side walls of the unit, so that the area of the fresh air outlet is larger, and under the same air flow speed, the outdoor fresh air volume participating in heat exchange is also larger, so that the outdoor cold source that can be used is also more in the same working time of the unit, so that the unit runs more energy-saving, and the opposite arrangement of the left and right sides makes the overall structure of the unit stable and reliable.

[0037] The first fresh air outlet 81 is arranged on one side wall of the box body 1, the second fresh air outlet 82 is arranged on another side wall of the box body 1, and the air outlet 8 is arranged on the top surface of the box body 1. Through the above arrangement, the air flow can stably flow, the fresh air outlets are arranged on the opposite left and right side walls of the unit, so that the area of the fresh air outlet is larger, and under the same air flow speed, the outdoor fresh air volume participating in heat exchange is also larger, so that the outdoor cold source that can be used is also more in the same working time of the unit, so that the unit runs more energy-saving, and the opposite arrangement of the left and right sides makes the overall structure of the unit stable and reliable.

[0038] The first fresh air outlet 81 is arranged on one side wall of the box body 1, the second fresh air outlet 82 is arranged on another side wall of the box body 1, and the air outlet 8 is arranged on the top surface of the box body 1. Through the above arrangement, the air flow can stably flow, the fresh air outlets are arranged on the opposite left and right side walls of the unit, so that the area of the fresh air outlet is larger, and under the same air flow speed, the outdoor fresh air volume participating in heat exchange is also larger, so that the outdoor cold source that can be used is also more in the same working time of the unit, so that the unit runs more energy-saving, and the opposite arrangement of the left and right sides makes the overall structure of the unit stable and reliable.

[0039] The first fresh air outlet 81 is arranged on one side wall of the box body 1, the second fresh air outlet 82 is arranged on another side wall of the box body 1, and the air outlet 8 is arranged on the top surface of the box body 1. Through the above arrangement, the air flow can stably flow, the fresh air outlets are arranged on the opposite left and right side walls of the unit, so that the area of the fresh air outlet is larger, and under the same air flow speed, the outdoor fresh air volume participating in heat exchange is also larger, so that the outdoor cold source that can be used is also more in the same working time of the unit, so that the unit runs more energy-saving, and the opposite arrangement of the left and right sides makes the overall structure of the unit stable and reliable.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited to the scope of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the present application.

Claims

1. A high-efficiency heat exchange dual-core air conditioning unit, characterized in that: The utility model provides a heat exchange device, including box (1), one side of box (1) is equipped with first heat exchange core (2), the other side of box (1) is equipped with second heat exchange core (3), and first heat exchange core (2) is spaced apart with second heat exchange core (3), First heat exchange core (2) is equipped with first air duct (21) with second air duct (22), and second heat exchange core (3) is equipped with third air duct (31) with fourth air duct (32), the bottom of first air duct (21) and the sidewall of box (1) form first air supply cavity (4) between, the bottom of third air duct (31) and the other sidewall of box (1) form second air supply cavity (5) between, and first air supply cavity (4) is equipped with first evaporator (41), and second air supply cavity (5) is equipped with second evaporator (51), Box (1) is equipped with air return port and air supply port (6), and the top of first air duct (21) and the top of third air duct (31) are communicated with air return port respectively, and first air supply cavity (4) and second air supply cavity (5) are communicated with air supply port (6) respectively, and first air supply cavity (4) and air supply port (6) are equipped with first air supply fan (42) between, and second air supply cavity (5) and air supply port (6) are equipped with second air supply fan (52) between.

2. The high-efficiency heat exchange dual-core air conditioning unit of claim 1, wherein: Air return port includes first air return port (61) and second air return port (62), and the top of first air duct (21) is communicated with first air return port (61), and the top of third air duct (31) is communicated with second air return port (62).

3. The high-efficiency heat exchange dual-core air conditioning unit of claim 2, wherein: First air return port (61) and second air return port (62) are arranged on the both sides of the upper part of the cross section of box (1) respectively, and air supply port (6) is arranged on the lower part of the cross section of box (1).

4. The high-efficiency heat exchange dual-core air conditioning unit of claim 2, wherein: The top of first air duct (21) and first air return port (61) are equipped with first air return filter screen (63) between, and the top of third air duct (31) and second air return port (62) are equipped with second air return filter screen (64) between.

5. The high-efficiency heat exchange dual-core air conditioning unit of claim 1, wherein: The middle part of box (1) is equipped with exhaust cavity (7), and the bottom of second air duct (22) and the bottom of fourth air duct (32) are arranged on the both sides of exhaust cavity (7) respectively, and first condenser (71) and second condenser (72) are arranged in exhaust cavity (7), and first air duct (21) and second air duct (22) are cross arranged, and third air duct (31) and fourth air duct (32) are cross arranged, Box (1) is equipped with exhaust port (8) communicated with exhaust cavity (7), and exhaust cavity (7) and exhaust port (8) are equipped with exhaust fan (73) between, and box (1) is equipped with fresh air port, and the top of second air duct (22) and the top of fourth air duct (32) are communicated with fresh air port respectively.

6. The high-efficiency heat exchange dual-core air conditioning unit of claim 5, wherein: Fresh air port includes first fresh air port (81) and second fresh air port (82), and the top of second air duct (22) is communicated with first fresh air port (81), and the top of fourth air duct (32) is communicated with second fresh air port (82).

7. The high-efficiency heat exchange dual-core air conditioning unit of claim 6, wherein: The first fresh air outlet (81) is arranged on a side wall of the cabinet (1); the second fresh air outlet (82) is arranged on another side wall of the cabinet (1); and the exhaust air outlet (8) is arranged on the middle part of the top surface of the cabinet (1).

8. The high-efficiency heat exchange dual-core air conditioning unit of claim 6, wherein: The first fresh air outlet (81) is provided with a first fresh air filter screen; and the second fresh air outlet (82) is provided with a second fresh air filter screen.

9. The high-efficiency heat exchange dual-core air conditioning unit of claim 5, wherein: One end of the first condenser (71) abuts against one end of the second condenser (72).

10. The high-efficiency heat exchange dual-core air conditioning unit of claim 1, wherein: The first heat exchange core (2) and the second heat exchange core (3) are both air-to-air heat exchangers; and the cross-sectional shape of the first heat exchange core (2) and the cross-sectional shape of the second heat exchange core (3) are both square.

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