Multi-stage efficient condensation air conditioner

Abstract

The invention relates to the field of air conditioners, in particular to a multi-stage efficient condensation air conditioner which comprises a box body, a condenser is arranged in an inner cavity of the box body, the bottom of the condenser communicates with a recooler through a pipeline, and the top of the recooler penetrates into the inner cavity of the box body through a pipeline and communicates with a flow dividing mechanism. The bottom of the box body is communicated with a water leakage hopper, the bottom of the water leakage hopper is communicated with a water tank, the recooler is located in an inner cavity of the water tank, and a wet curtain mechanism is installed in the inner cavity of the box body. Air is filtered, humidified and cooled, falling dust can be isolated, the dust is flushed into the water tank along water flow, dust accumulation of fins of the condenser is avoided, the heat exchange capacity of the condenser is improved, the air passing through the fin condenser of the outdoor unit is primarily humidified and cooled, and it is guaranteed that the working condition around the fin condenser is not affected by the environment temperature; the temperature of the air can be reduced through spraying of the wet curtain, the humidity of the air is increased, and the heat exchange amount of the condenser can be improved.

Description

Technical Field

[0001] The invention relates to the field of air conditioners, and in particular to a multi-stage high-efficiency condensing air conditioner. Background Art

[0002] With the continuous progress of society, people's pursuit of a high-quality living environment is increasing, and the demand for heating and cooling of the living environment is increasing, which has led to a significant increase in the use of air conditioners year by year. However, as an electrical device with high energy consumption, the large-scale use of air conditioners not only increases the electricity costs of users, but also has a significant impact on energy consumption and environmental protection. From the user's perspective, having a more efficient and energy-saving air conditioner means that while enjoying a comfortable living environment, it can effectively reduce electricity costs. From a national level, the widespread use of energy-saving air conditioners is of great significance to energy conservation, which can effectively reduce carbon emissions and make positive contributions to the achievement of the global "dual carbon" goals.

[0003] The condenser of a traditional air-cooled air conditioner mainly relies on the fan to promote forced convection between the air and the environment to achieve heat exchange. This heat exchange method makes the heat exchange performance of the condenser extremely susceptible to the influence of the external ambient temperature. When the ambient temperature rises or falls, the energy efficiency of the air conditioner will fluctuate significantly. In particular, when the ambient temperature continues to rise and is close to the thermal temperature difference of the system itself, the heat dissipation will be worse, resulting in a decrease in the cooling effect of the indoor machine, high energy consumption, and obvious disadvantages. During long-term operation, due to the influence of dust and other impurities in the air, dust and scale will gradually accumulate on the surface of the condenser fins. These dirt will form an insulating layer on the surface of the fins, seriously hindering the transfer of heat, thereby greatly reducing the heat exchange efficiency of the condenser and affecting the overall performance of the air conditioner.

[0004] Therefore, we have made improvements to this and proposed an air conditioner with multi-stage high-efficiency condensation. Summary of the invention

[0005] The purpose of the present invention is to address the problem that dust and scale gradually accumulate on the surface of the condenser fins. The dirt forms an insulating layer on the surface of the fins, which seriously hinders the transfer of heat, thereby greatly reducing the heat exchange efficiency of the condenser and affecting the overall performance of the air conditioner.

[0006] In order to achieve the above-mentioned purpose of the invention, the present invention provides an air conditioner with multi-stage high-efficiency condensation to improve the above-mentioned problem.

[0007] The specific application is as follows: A multi-stage high-efficiency condensing air conditioner comprises a box body, an inner cavity of the box body is provided with a condenser, the bottom of the condenser is connected to a subcooler via a pipeline, the top of the subcooler passes through the inner cavity of the box body via a pipeline and is connected to a diversion mechanism, the bottom of the box body is connected to a funnel, the bottom of the funnel is connected to a water tank, the subcooler is located in the inner cavity of the water tank, a wet curtain mechanism is installed in the inner cavity of the box body, the inner cavity of the box body is connected to a first fan via a support plate, the top of the diversion mechanism is connected to a cooling pipe via a pipeline, one side of the cooling pipe is connected to an electronic expansion valve via a pipeline, and one side of the electronic expansion valve is connected to an evaporator.

[0008] As a preferred technical solution of the present application, one side of the evaporator is connected to a compressor via a pipeline, the compressor is connected to a condenser via a pipeline, and a second fan is installed on one side of the evaporator.

[0009] As a preferred technical solution of the present application, the wet curtain mechanism includes a honeycomb filter plate, the front side of the honeycomb filter plate penetrates to the outside of the box and is connected to a sealing plate, the top of the inner wall of the box is connected to a longitudinal tube, the bottom of the longitudinal tube is connected to a nozzle, the top of the longitudinal tube is connected to a U-shaped tube, the top of the U-shaped tube is connected to a water pump through a pipeline, one side of the water pump is connected to a water sink, and the liquid inlet end of the water sink penetrates to the inner cavity of the water sink.

[0010] As a preferred technical solution of the present application, one side of the sealing plate contacts the box body, the surface of the box body is connected to a limiting block via a damping shaft, the rear side of the limiting block contacts the sealing plate, and the front side of the sealing plate is connected to a handle.

[0011] As a preferred technical solution of the present application, a water leakage net is inlaid at the bottom of the inner wall of the box body, the water leakage net is located on both sides of the honeycomb filter plate, and the water leakage net is located on the top of the funnel.

[0012] As a preferred technical solution of the present application, the top of the right side of the water tank is connected to a water inlet pipe, and the bottom of the right side of the water tank is connected to a drain valve.

[0013] As a preferred technical solution of the present application, a liquid level sensor is connected through the top of the water tank, and the top of the liquid level sensor penetrates to the top of the water tank.

[0014] As a preferred technical solution of the present application, the subcooler includes a connecting pipe, two connecting pipes are connected by a spiral pipe, and the number of the spiral pipes is several.

[0015] As a preferred technical solution of the present application, the diversion mechanism includes a square circular tube, the interior of the square circular tube is connected to a vertical tube, the number of the vertical tubes is several, and the surface of the vertical tubes is connected to heat dissipation fins.

[0016] As a preferred technical solution of the present application, protective nets are provided on both sides of the box.

[0017] Compared with the prior art, the present invention has the following beneficial effects: In the scheme of this application: 1. In order to solve the problem in the prior art that dust and scale will gradually accumulate on the surface of the condenser fins, and the dirt will form a heat insulation layer on the surface of the fins, which seriously hinders the transfer of heat, thereby greatly reducing the heat exchange efficiency of the condenser and affecting the overall performance of the air conditioner, the present application provides a box, a condenser, a wet curtain mechanism, a recooler, a water funnel, a water tank, a first fan and an evaporator to filter and humidify the air, which can isolate the falling dust and allow the dust to be washed into the water tank along the water flow, thereby avoiding dust accumulation on the condenser fins and improving the heat exchange capacity of the condenser. The air passing through the fin condenser of the external unit is initially humidified and cooled, which ensures that the working conditions around the fin condenser are not affected by the ambient temperature. The air temperature can be reduced by spraying with a wet curtain, and the air humidity is increased, which can improve the heat exchange capacity of the condenser. 2. The present application has the advantages of low failure rate of traditional air-cooled air conditioners and high energy efficiency of water-cooled air conditioners and evaporative air conditioners. On the one hand, the condensation and evaporation capacity of the entire air-conditioning system is improved, that is, a stable and optimal condensation condition is achieved, and the air-cooled heat dissipation is completely prevented from being affected by the ambient temperature and the condensation condition is always in a fluctuating change, thereby achieving an overall improvement in the energy efficiency of the system; on the other hand, the problems of dirt, fouling, corrosion and perforation existing in the existing air-conditioning system are effectively solved, the reliability and durability of the air conditioner are improved, and a high-performance, stable and reliable air-conditioning product is provided to users; 3. The water from top to bottom flows into the bottom water tank through evaporation cooling by the wet curtain mechanism. The refrigerant inside the recooler immersed in the water tank is cooled twice, which improves the supercooling degree of the refrigerant and improves energy efficiency. The recooler is immersed at the bottom of the water tank, so the dust is easy to clean and the recooler is not easy to scale. 4. By recycling the condensed water of the evaporator to cool the cooling pipe three times, the supercooling of the refrigerant is further improved, thereby further improving the energy efficiency of the system. In addition, the evaporation efficiency is further improved by increasing the evaporator area and increasing the air volume of the evaporating fan, providing a stronger guarantee for the improvement of energy efficiency. The bottom of the water tank is open, and the dust and mud on the surface of the recooler can be easily cleaned during use to ensure that the thermal efficiency can always be maintained within the preset ideal range. At the same time, the water channel is only set in the external unit part, which greatly shortens the water path, not only saving costs, but also making the maintenance of the entire system easier. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the principle flow of the multi-stage high-efficiency condensing air conditioner provided in this application; Figure 2A partial three-dimensional schematic diagram of a multi-stage high-efficiency condensing air conditioner provided in the present application; Figure 3 A partial perspective side view of the multi-stage high-efficiency condensing air conditioner provided in the present application; Figure 4 A cross-sectional schematic diagram of a wet curtain mechanism of a multi-stage high-efficiency condensing air conditioner provided in the present application; Figure 5 Schematic diagram of the connecting pipes and spiral pipes of the multi-stage high-efficiency condensing air conditioner provided in this application.

[0019] Indicated in the figure: 1. Box body; 2. Condenser; 3. Subcooler; 30. Connecting pipe; 31. Spiral pipe; 4. Diverter mechanism; 40. Square round pipe; 41. Vertical pipe; 42. Heat dissipation fin; 5. Funnel; 6. Sink; 7. Wet curtain mechanism; 71. Honeycomb filter plate; 72. Sealing plate; 73. Longitudinal pipe; 74. Nozzle; 75. U-shaped pipe; 76. Water pump; 77. Limit block; 78. Leakage net; 8. First fan; 9. Cooling pipe; 10. Evaporator; 11. Compressor; 12. Second fan; 13. Drain valve; 14. Liquid level sensor; 15. Protective net; 16. Electronic expansion valve; 17. Water inlet pipe. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0021] As described in the background art, dust and scale will gradually accumulate on the surface of the condenser fins. The dirt will form an insulating layer on the surface of the fins, which will seriously hinder the transfer of heat, thereby greatly reducing the heat exchange efficiency of the condenser and affecting the overall performance of the air conditioner.

[0022] In order to solve this technical problem, the present invention provides a multi-stage high-efficiency condensation air conditioner, which is applied to the field of air conditioners.

[0023] Specifically, please refer to Figure 1 , Figure 2 and Figure 3A multi-stage high-efficiency condensing air conditioner comprises a box body 1, a condenser 2 is arranged in the inner cavity of the box body 1, the bottom of the condenser 2 is connected with a subcooler 3 through a pipeline, the top of the subcooler 3 penetrates through the inner cavity of the box body 1 through a pipeline and is connected with a diversion mechanism 4, the bottom of the box body 1 is connected with a funnel 5, the bottom of the funnel 5 is connected with a water tank 6, the subcooler 3 is located in the inner cavity of the water tank 6, a wet curtain mechanism 7 is installed in the inner cavity of the box body 1, the inner cavity of the box body 1 is connected with a first fan 8 through a support plate, the top of the diversion mechanism 4 is connected with a cooling pipe 9 through a pipeline, one side of the cooling pipe 9 is connected with an electronic expansion valve 16 through a pipeline, and one side of the electronic expansion valve 16 is connected with an evaporator 10.

[0024] The present application filters and humidifies the air to cool it, which can isolate the falling dust and allow the dust to be washed into the water tank 6 along the water flow, thereby avoiding dust accumulation on the fins of the condenser 2 and improving the heat exchange capacity of the condenser 2. The preliminary humidification and cooling of the air passing through the external unit fin condenser 2 ensures that the working conditions around the fin condenser 2 are not affected by the ambient temperature. The temperature of the air can be reduced by spraying with a wet curtain, and the air humidity is increased, which can improve the heat exchange of the condenser.

[0025] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0026] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] Example 1, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 A multi-stage high-efficiency condensing air conditioner comprises a box body 1, a condenser 2 is arranged in the inner cavity of the box body 1, the bottom of the condenser 2 is connected with a subcooler 3 through a pipeline, the top of the subcooler 3 penetrates through the inner cavity of the box body 1 through a pipeline and is connected with a diversion mechanism 4, the bottom of the box body 1 is connected with a funnel 5, the bottom of the funnel 5 is connected with a water tank 6, the subcooler 3 is located in the inner cavity of the water tank 6, a wet curtain mechanism 7 is installed in the inner cavity of the box body 1, the inner cavity of the box body 1 is connected with a first fan 8 through a support plate, the top of the diversion mechanism 4 is connected with a cooling pipe 9 through a pipeline, one side of the cooling pipe 9 is connected with an electronic expansion valve 16 through a pipeline, and one side of the electronic expansion valve 16 is connected with an evaporator 10.

[0029] By arranging the housing 1, the condenser 2, the wet curtain mechanism 7, the recooler 3, the water funnel 5, the water tank 6, the first fan 8 and the evaporator 10, the air is filtered and humidified and cooled, which can isolate the dust from falling and allow the dust to be washed into the water tank 6 along the water flow, thereby avoiding dust accumulation on the fins of the condenser 2 and improving the heat exchange capacity of the condenser 2. The air passing through the fin condenser 2 of the external unit is initially humidified and cooled to ensure that the working conditions around the fin condenser 2 are not affected by the ambient temperature. The air temperature can be reduced by spraying the wet curtain, and the air humidity is increased, which can improve the heat exchange of the condenser 2.

[0030] One side of the evaporator 10 is connected to a compressor 11 through a pipeline, the compressor 11 is connected to the condenser 2 through a pipeline, and a second fan 12 is installed on one side of the evaporator 10 .

[0031] By providing the second fan 12, the evaporator 10 is cooled to facilitate evaporation and heat absorption.

[0032] The wet curtain mechanism 7 includes a honeycomb filter plate 71, the front side of the honeycomb filter plate 71 penetrates to the outside of the box body 1 and is connected to a sealing plate 72, the top of the inner wall of the box body 1 is connected to a longitudinal tube 73, the bottom of the longitudinal tube 73 is connected to a nozzle 74, the top of the longitudinal tube 73 is connected to a U-shaped tube 75, the top of the U-shaped tube 75 is connected to a water pump 76 through a pipeline, one side of the water pump 76 is connected to the water tank 6, and the liquid inlet end of the water tank 6 penetrates to the inner cavity of the water tank 6.

[0033] By setting a honeycomb filter plate 71, the gas entering the inner cavity of the box body 1 is filtered to prevent impurities from entering and contacting the condenser 2, thereby protecting the condenser 2. By setting a longitudinal tube 73, a nozzle 74, a U-tube 75 and a water pump 76, the water source in the inner cavity of the water tank 6 is absorbed and sprayed on both sides of the honeycomb filter plate 71 through the nozzle 74, so as to flush the honeycomb filter plate 71 and flush away the dust on the surface of the honeycomb filter plate 71. At the same time, the gas is cooled and humidified. By setting a sealing plate 72, the connection between the honeycomb filter plate 71 and the box body 1 is sealed, and the sealing effect is good.

[0034] One side of the sealing plate 72 contacts the box body 1 , the surface of the box body 1 is connected to a limit block 77 via a damping shaft, the rear side of the limit block 77 contacts the sealing plate 72 , and the front side of the sealing plate 72 is connected to a handle.

[0035] By setting a limit block 77, the sealing plate 72 is limited, thereby improving the stability of the sealing plate 72 and the honeycomb filter plate 71. By setting a handle, it is convenient to pull the sealing plate 72 and the honeycomb filter plate 71 to move, and to facilitate the disassembly of the honeycomb filter plate 71.

[0036] A water leakage net 78 is inlaid at the bottom of the inner wall of the box body 1 . The water leakage net 78 is located on both sides of the honeycomb filter plate 71 . The water leakage net 78 is located on the top of the water funnel 5 .

[0037] The top of the water tank 6 is open, so that the dust and mud on the surface of the subcooler 3 can be easily cleaned during use, ensuring that the thermal efficiency can always be maintained within the preset ideal range. At the same time, the water channel is only set in the external unit part, which greatly shortens the water channel path, not only saving costs but also making the maintenance of the entire system easier.

[0038] The top of the right side of the water tank 6 is connected to a water inlet pipe 17 , and the bottom of the right side of the water tank 6 is connected to a drain valve 13 .

[0039] By providing the water inlet pipe 17, it is convenient to replenish the water source into the inner cavity of the water tank 6, and by providing the drain valve 13, it is convenient to discharge the water source in the inner cavity of the water tank 6 and replace the water source.

[0040] A liquid level sensor 14 is connected through the top of the water tank 6 , and the top of the liquid level sensor 14 penetrates to the top of the water tank 6 .

[0041] By providing a liquid level sensor 14 for detecting the height of the water level in the inner cavity of the water tank 6, it is convenient for the operator to add water in time when the water tank 6 is short of water.

[0042] Example 2 further optimizes the multi-stage high-efficiency condensing air conditioner provided in Example 1. Specifically, Figure 4 and Figure 5 As shown, the subcooler 3 includes a connecting pipe 30 , and a spiral pipe 31 is connected between two connecting pipes 30 , and the number of the spiral pipes 31 is several.

[0043] By providing the spiral tube 31 and the connecting tube 30 , the contact area with water is increased, which makes it easier for water to absorb the heat on the surfaces of the spiral tube 31 and the connecting tube 30 , so as to quickly cool them down and achieve a good cooling effect.

[0044] The flow dividing mechanism 4 includes a square circular tube 40 . The interior of the square circular tube 40 is connected to a vertical tube 41 . There are a plurality of vertical tubes 41 . The surfaces of the vertical tubes 41 are connected to heat dissipation fins 42 .

[0045] By setting up the square circular tube 40, the vertical tube 41 and the heat dissipation fins 42, after the water source enters the square circular tube 40, it is diverted through the vertical tube 41, thereby increasing the flow area of ​​the water source and enabling better contact with the air for cooling. By setting up the heat dissipation fins 42, it is convenient to absorb the heat on the surface of the vertical tube 41 and facilitate the dissipation of heat.

[0046] Both sides of the box body 1 are covered with protective nets 15. By providing the protective nets 15, external objects are prevented from entering the inner cavity of the box body 1, and the inner cavity components of the box body 1 are protected.

[0047] The use process of the multi-stage high-efficiency condensing air conditioner provided by the present invention is as follows: The first fan 8 is controlled by an external controller to make the gas flow. The gas passes through the protective net 15, the honeycomb filter plate 71, the diversion mechanism 4 and the condenser 2 in sequence. The water source is transported by controlling the water pump 76. The water source in the inner cavity of the water tank 6 passes through the water pump 76, the U-shaped tube 75, the longitudinal tube 73 and the nozzle 74 in sequence, and is sprayed on the two side surfaces of the honeycomb filter plate 71 to spray and rinse the honeycomb filter plate 71, rinse off the dust in the air, cool down and humidify the gas, and avoid dust contact with the condenser 2. The first fan 8 dissipates the heat of the refrigerant on the inner wall of the condenser 2. When the refrigerant enters the inside of the subcooler 3, the water source in the water tank 6 absorbs the heat on the surface of the subcooler 3, cools the refrigerant for a second time, and cools the cooling pipe 9 for a third time by recovering the condensed water of the evaporator 10, thereby further improving the supercooling degree of the refrigerant.

[0048] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0049] Obviously, the embodiments described above are only some embodiments of the present invention, rather than all embodiments. The preferred embodiments of the present invention are given in the accompanying drawings, but they do not limit the patent scope of the present invention. The present invention can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive. Although the present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific embodiments, or to perform equivalent replacements for some of the technical features therein. Any equivalent structure made using the contents of the specification and drawings of the present invention, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the present invention.

Claims

1. A multi-stage high-efficiency condensing air conditioner, characterized in that: The invention comprises a box (1), wherein a condenser (2) is arranged in the inner cavity of the box (1), the bottom of the condenser (2) is connected to a subcooler (3) through a pipeline, the top of the subcooler (3) penetrates through a pipeline to the inner cavity of the box (1) and is connected to a diversion mechanism (4), the bottom of the box (1) is connected to a water funnel (5), the bottom of the water funnel (5) is connected to a water tank (6), the subcooler (3) is located in the inner cavity of the water tank (6), a wet curtain mechanism (7) is installed in the inner cavity of the box (1), the inner cavity of the box (1) is connected to a first fan (8) through a support plate, the top of the diversion mechanism (4) is connected to a cooling pipe (9) through a pipeline, one side of the cooling pipe (9) is connected to an electronic expansion valve (16) through a pipeline, and one side of the electronic expansion valve (16) is connected to an evaporator (10).

2. A multi-stage high-efficiency condensing air conditioner according to claim 1, characterized in that: One side of the evaporator (10) is connected to a compressor (11) via a pipeline, and the compressor (11) is connected to a condenser (2) via a pipeline. A second fan (12) is installed on one side of the evaporator (10).

3. A multi-stage high-efficiency condensing air conditioner according to claim 2, characterized in that: The wet curtain mechanism (7) comprises a honeycomb filter plate (71), the front side of the honeycomb filter plate (71) penetrates to the outside of the box body (1) and is connected to a sealing plate (72), the top of the inner wall of the box body (1) is connected to a longitudinal tube (73), the bottom of the longitudinal tube (73) is connected to a nozzle (74), the top of the longitudinal tube (73) is connected to a U-shaped tube (75), the top of the U-shaped tube (75) is connected to a water pump (76) through a pipeline, one side of the water pump (76) is connected to a water tank (6), and the liquid inlet end of the water tank (6) penetrates to the inner cavity of the water tank (6).

4. A multi-stage high-efficiency condensing air conditioner according to claim 3, characterized in that: One side of the sealing plate (72) is in contact with the box body (1); the surface of the box body (1) is connected to a limit block (77) via a damping shaft; the rear side of the limit block (77) is in contact with the sealing plate (72); and the front side of the sealing plate (72) is connected to a handle.

5. A multi-stage high-efficiency condensing air conditioner according to claim 4, characterized in that: A water leakage net (78) is inlaid at the bottom of the inner wall of the box body (1), and the water leakage net (78) is located on both sides of the honeycomb filter plate (71). The water leakage net (78) is located on the top of the water funnel (5).

6. A multi-stage high-efficiency condensing air conditioner according to claim 5, characterized in that: The top of the right side of the water tank (6) is connected to a water inlet pipe (17), and the bottom of the right side of the water tank (6) is connected to a drain valve (13).

7. A multi-stage high-efficiency condensing air conditioner according to claim 6, characterized in that: A liquid level sensor (14) is connected through the top of the water tank (6), and the top of the liquid level sensor (14) penetrates to the top of the water tank (6).

8. The multi-stage high-efficiency condensing air conditioner according to claim 1, characterized in that: The subcooler (3) comprises a connecting pipe (30), two connecting pipes (30) are connected by a spiral pipe (31), and the number of the spiral pipes (31) is a plurality.

9. The multi-stage high-efficiency condensing air conditioner according to claim 1, characterized in that: The flow dividing mechanism (4) comprises a square circular tube (40), the interior of the square circular tube (40) is connected to a vertical tube (41), the number of the vertical tubes (41) is several, and the surface of the vertical tubes (41) is connected to a heat dissipation fin (42).

10. The multi-stage high-efficiency condensing air conditioner according to claim 1, characterized in that: Both sides of the box body (1) are provided with protective nets (15).

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