Fresh air precooling structure and duct machine

Abstract

The present invention discloses a fresh air precooling structure and a duct machine, wherein the fresh air precooling structure comprises a precooling component, wherein the precooling component has a precooling cavity; the precooling component further comprises: a fresh air inlet, wherein the fresh air inlet is connected to the precooling cavity and the fresh air outlet of the air conditioner; a fresh air outlet, wherein the fresh air outlet is connected to the precooling cavity and the interior of the air conditioner, and the fresh air enters the interior of the air conditioner through the fresh air outlet after passing through the precooling cavity; the fresh air in the precooling cavity is precooled by heat exchange with cold water on the surface of the precooling component. The fresh air precooling structure of the present invention is provided with a precooling component, which can play a role of precooling, avoid the occurrence of condensation, and also avoid the problem of reduced heat exchange efficiency due to the introduction of fresh air.

Description

Technical Field

[0001] The invention relates to the technical field of air conditioning, and in particular to a fresh air precooling structure and an air duct unit. Background Art

[0002] When users use air conditioning for cooling, the room is sealed and the indoor air quality is poor. You can add a fresh air function to the unit to introduce fresh air from outside to ensure indoor air quality. However, since the entire cavity of the suction duct is a low-temperature area, directly introducing outdoor hot air will cause serious condensation problems inside and outside the unit. Summary of the invention

[0003] The invention discloses a fresh air precooling structure and an air duct machine, which solve the problem that direct introduction of outdoor hot air may cause serious condensation inside and outside the machine unit.

[0004] According to one aspect of the present invention, a fresh air precooling structure is disclosed, including a precooling component, wherein the precooling component has a precooling chamber; the precooling component also includes: a fresh air inlet, wherein the fresh air inlet connects the precooling chamber with the fresh air outlet of an air conditioner; a fresh air outlet, wherein the fresh air outlet connects the precooling chamber with the interior of the air conditioner, and the fresh air enters the interior of the air conditioner through the fresh air outlet after passing through the precooling chamber; the fresh air in the precooling chamber is precooled by heat exchange with cold water on the surface of the precooling component.

[0005] Furthermore, the fresh air precooling node also includes: a heat sink, which is arranged on the inner wall of the precooling chamber, the position of the heat sink corresponds to the position of the guide structure, and the heat sink is used to guide the cold water into the precooling chamber.

[0006] Furthermore, there are a plurality of heat sinks, and the plurality of heat sinks are arranged at intervals on the inner wall of the pre-cooling chamber.

[0007] Furthermore, the precooling assembly includes: a bottom shell; a water receiving tray, wherein the water receiving tray is located on the top of the bottom shell, and the water receiving tray and the bottom shell form the precooling chamber.

[0008] Furthermore, a guide structure is provided on the water receiving tray, and the guide structure is used to guide the cold water to flow through the outer surface of the water receiving tray, so that the fresh air in the pre-cooling chamber can exchange heat with the cold water for pre-cooling.

[0009] Furthermore, the guide structure is a guide groove that extends circuitously on the surface of the water receiving tray.

[0010] Furthermore, the water receiving tray is also provided with a water collecting trough and a drain outlet, the water collecting trough is used to collect cold water, one end of the guide structure is connected to the water collecting trough, and the other end is connected to the drain outlet.

[0011] The fresh air precooling structure also includes: a heat sink, which is arranged on the inner wall of the precooling chamber, the position of the heat sink corresponds to the position of the guide structure, and the heat sink is used to guide the cold water into the precooling chamber.

[0012] Furthermore, the fresh air inlet is arranged on the bottom shell; and the fresh air outlet is arranged on a side of the water receiving tray away from the fresh air inlet.

[0013] Furthermore, there are multiple fresh air outlets, and the multiple fresh air outlets are arranged at intervals on the pre-cooling component.

[0014] Furthermore, the cold water is air-conditioning condensed water.

[0015] According to another aspect of the present invention, a duct air conditioner is disclosed, comprising the above-mentioned fresh air pre-cooling structure.

[0016] Furthermore, the air duct unit includes a heat exchanger, and the heat exchanger is located above the pre-cooling component.

[0017] The fresh air precooling structure of the present invention is provided with a precooling component. Since there is a precooling cavity in the precooling component, when cold water flows over the surface of the precooling component, the cold water first exchanges heat with the precooling component, and the precooling component then exchanges heat with the fresh air in the precooling cavity, thereby transferring the cold water to the fresh air in the precooling cavity, reducing the temperature of the fresh air, playing a precooling role, avoiding the occurrence of condensation, and also avoiding the problem of reduced heat exchange efficiency due to the introduction of fresh air. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a structural schematic diagram of a fresh air precooling structure according to an embodiment of the present invention;

[0019] Figure 2 is an assembly diagram of a fresh air precooling structure of an embodiment of the present invention;

[0020] Legend: 10, pre-cooling component; 11, bottom shell; 111, fresh air inlet; 12, water collecting tray; 121, fresh air outlet; 122, flow guide structure; 123, water collecting trough; 124, drain outlet; 20, pre-cooling chamber; 30, heat sink; 40, heat exchanger. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the embodiments, but is not limited to the contents of the specification.

[0022] like Figure 1As shown, the present invention discloses a fresh air precooling structure, including a precooling component 10, wherein the precooling component 10 has a precooling chamber 20; the precooling component 10 also includes a fresh air inlet 111, a fresh air outlet 121 and a guide structure 122, the fresh air inlet 111 connects the precooling chamber 20 with the fresh air outlet of the air conditioner; the fresh air outlet 121 connects the precooling chamber 20 with the interior of the air conditioner, and the fresh air passes through the precooling chamber 20 and enters the interior of the air conditioner through the fresh air outlet 121; the fresh air in the precooling chamber 20 is precooled by heat exchange with the cold water on the surface of the precooling component 10. The fresh air precooling structure of the present invention is provided with a precooling component 10. Since the precooling component 10 has a precooling chamber 20, when cold water flows through the surface of the precooling component 10, the cold water first exchanges heat with the precooling component 10, and the precooling component 10 then exchanges heat with the fresh air in the precooling chamber 20, thereby transferring the cold water to the fresh air in the precooling chamber 20, reducing the temperature of the fresh air, playing a precooling role, avoiding the occurrence of condensation, and also avoiding the problem of reduced heat exchange efficiency due to the introduction of fresh air.

[0023] In another embodiment, the fresh air precooling junction also includes: a heat sink 30, which is arranged on the inner wall of the precooling chamber 20, and the heat sink 30 is used to introduce the cold energy of the cold water into the precooling chamber 20. The fresh air precooling structure of the present invention, by arranging the heat sink 30, can enable the heat sink 30 to dissipate the cold energy of the cold water on the surface of the precooling component 10 into the precooling chamber 20 faster, thereby improving the efficiency of the fresh air precooling.

[0024] In the above embodiment, there are multiple heat sinks 30, which are arranged at intervals on the inner wall of the precooling chamber 20. The fresh air precooling structure of the present invention can increase the heat exchange area and further improve the fresh air precooling effect by arranging multiple heat sinks 30.

[0025] exist Figure 1 In the illustrated embodiment, the precooling assembly 10 includes: a bottom shell 11 and a water receiving tray 12, the water receiving tray 12 is located on the top of the bottom shell 11, and the water receiving tray 12 and the bottom shell 11 enclose a precooling cavity 20. The fresh air precooling structure of the present invention is provided with the bottom shell 11 and the water receiving tray 12, and the water receiving tray 12 and the bottom shell 11 enclose a precooling cavity 20, so that fresh air can enter the interior of the air conditioner through the precooling cavity 20.

[0026] In the above embodiment, the water receiving pan 12 is provided with a guide structure 122, and the guide structure 122 is used to guide the cold water to flow through the outer surface of the water receiving pan 12, so that the fresh air in the pre-cooling chamber 20 is pre-cooled by heat exchange with the cold water. The fresh air pre-cooling structure of the present invention forms a pre-cooling chamber 20 by enclosing the water receiving pan 12 and the bottom shell 11, so that the fresh air can enter the air conditioner through the pre-cooling chamber 20, and the guide structure 122 is arranged on the water receiving pan 12, so that the coldness of the condensed water can be conducted to the pre-cooling chamber 20 through the water receiving pan 12, thereby realizing fresh air pre-cooling.

[0027] In the above embodiment, the guide structure 122 is a guide groove that extends in a circuitous manner on the surface of the water receiving tray 12. The heat sink 30 is connected to the water receiving tray 12. The fresh air precooling structure of the present invention can extend the flow path of the cold water by providing a circuitous guide groove on the surface of the water receiving tray 12, so that the cold water can be more fully conducted to the precooling chamber 20, thereby improving the precooling effect. In order to further improve the precooling effect, the heat sink 30 can be connected to the water receiving tray 12, so that the cold water is directly guided to the heat sink 30 through the water receiving tray, and is quickly transmitted to the precooling chamber through the heat sink 30, greatly improving the precooling effect.

[0028] In the above embodiment, the water receiving tray 12 is also provided with a water collecting trough 123 and a drain port 124, the water collecting trough 123 is used to collect cold water, one end of the flow guide structure 122 is connected to the water collecting trough 123, and the other end is connected to the drain port 124. The fresh air precooling structure of the present invention is provided with a water collecting trough 123 and a drain port 124 on the water receiving tray 12, and the water collecting trough 123 and the drain port 124 are connected through the flow guide structure 122, so that cold water can be collected and discharged through the drain port 124, so as to prevent bacteria from breeding due to excessive cold water. In the process of cold water discharge, the cold water can be precooled to the fresh air through the precooling chamber, so as to effectively utilize the cold water in the cold water, improve energy utilization, avoid the generation of condensation, and also avoid the problem of reduced heat exchange efficiency due to the introduction of fresh air.

[0029] In the above embodiment, the fresh air precooling structure further includes: a heat sink 30, which is arranged on the inner wall of the precooling chamber 20, and the position of the heat sink 30 corresponds to the position of the guide structure 122, and the heat sink 30 is used to introduce the coldness of the cold water into the precooling chamber 20. The fresh air precooling structure of the present invention, by arranging the heat sink 30 and making the heat sink 30 correspond to the position of the guide structure 122, can make the heat sink 30 dissipate the coldness of the cold water in the guide structure 122 to the precooling chamber 20 faster, thereby improving the efficiency of fresh air precooling.

[0030] In the above embodiment, the fresh air inlet 111 is arranged on the bottom shell 11; the fresh air outlet 121 is arranged on the side of the water receiving tray 12 away from the fresh air inlet 111. By arranging the fresh air outlet 121 on the side of the water receiving tray 12 away from the fresh air inlet 111, the path of the fresh air in the precooling chamber 20 can be extended, so that the fresh air can be fully precooled, avoiding the generation of condensation, and also avoiding the problem of reduced heat exchange efficiency due to the introduction of fresh air.

[0031] In the above embodiment, in order to increase the air volume, there are multiple fresh air outlets 121, and the multiple fresh air outlets 121 are arranged at intervals on the pre-cooling component 10.

[0032] In the above embodiment, the cold water is air-conditioning condensed water.

[0033] According to another aspect of the present invention, a duct air conditioner is disclosed, comprising the above-mentioned fresh air pre-cooling structure.

[0034] like Figure 2 As shown, in the above embodiment, the air duct unit includes a heat exchanger 40, and the heat exchanger 40 is located above the precooling assembly 10. The air duct unit of the present invention, by arranging the heat exchanger 40 above the precooling assembly 10, allows the cold water of the heat exchanger 40 to drip directly onto the water receiving tray 12, so that the water collecting tank 123 can collect the cold water of the heat exchanger 40 in the first place, and conduct the cold water to the precooling chamber through the guide structure 122, thereby improving the precooling effect.

[0035] During use, condensed water on the surface of the heat exchanger 40 drops into the water collecting tank 123 and is guided to the drain port 124 through the guide structure 122 for discharge. When the condensed water flows along the guide structure 122, it transfers its own cold energy to the water receiving pan 12, and the water receiving pan 12 transfers the cold energy to the heat sink 30, and conducts the cold energy to the pre-cooling chamber 20 through the heat sink 30. At the same time, the high-temperature fresh air from the outside enters the pre-cooling chamber 20 through the fresh air inlet 111, and absorbs the cold energy emitted by the heat sink 30, so that the temperature of the high-temperature fresh air is reduced to form low-temperature fresh air. The low-temperature fresh air enters the duct fan from the fresh air outlet 121 to achieve pre-cooling, thereby effectively utilizing the cold energy in the condensed water, improving energy utilization, avoiding the occurrence of condensation, and also avoiding the problem of reduced heat exchange efficiency due to the introduction of fresh air.

[0036] Obviously, the above-mentioned embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is impossible to list all the embodiments here. Any obvious changes or modifications derived from the technical solution of the present invention are still within the scope of protection of the present invention.

Claims

1. A fresh air precooling structure, characterized in that: The invention comprises a precooling component (10), wherein the precooling component (10) has a precooling chamber (20); the precooling component (10) further comprises: A fresh air inlet (111), the fresh air inlet (111) being connected to the pre-cooling chamber (20) and a fresh air outlet of an air conditioner; A fresh air outlet (121), the fresh air outlet (121) being connected to the pre-cooling chamber (20) and the interior of the air conditioner, and the fresh air passes through the pre-cooling chamber (20) and then enters the interior of the air conditioner through the fresh air outlet (121); The fresh air in the precooling chamber (20) exchanges heat with the cold water on the surface of the precooling component (10) for precooling; The precooling component (10) comprises: Bottom shell (11); a water receiving pan (12), the water receiving pan (12) being located on the top of the bottom shell (11), the water receiving pan (12) and the bottom shell (11) enclosing the pre-cooling chamber (20), the water receiving pan (12) being provided with a flow guiding structure (122), the flow guiding structure (122) being used to guide cold water to flow through the outer surface of the water receiving pan (12), so that fresh air in the pre-cooling chamber (20) exchanges heat with cold water for pre-cooling; The fresh air precooling structure further comprises a heat sink (30), wherein the heat sink (30) is arranged on the inner wall of the precooling chamber (20), the position of the heat sink (30) corresponds to the position of the guide structure (122), and the heat sink (30) is used to guide the cold water into the precooling chamber (20).

2. The fresh air precooling structure according to claim 1 is characterized in that: There are a plurality of heat sinks (30), and the plurality of heat sinks (30) are arranged at intervals on the inner wall of the pre-cooling chamber (20).

3. The fresh air precooling structure according to claim 1 is characterized in that: The flow guide structure (122) is a flow guide groove that extends in a circuitous manner on the surface of the water receiving tray (12).

4. The fresh air precooling structure according to claim 1 is characterized in that: The water receiving tray (12) is also provided with a water collecting trough (123) and a water outlet (124); the water collecting trough (123) is used to collect cold water; one end of the flow guiding structure (122) is connected to the water collecting trough (123), and the other end is connected to the water outlet (124).

5. The fresh air precooling structure according to claim 1 is characterized in that: The fresh air inlet (111) is arranged on the bottom shell (11); The fresh air outlet (121) is arranged on a side of the water receiving tray (12) away from the fresh air inlet (111).

6. The fresh air precooling structure according to claim 1 is characterized in that: There are a plurality of fresh air outlets (121), and the plurality of fresh air outlets (121) are arranged at intervals on the precooling component (10).

7. The fresh air precooling structure according to claim 1 is characterized in that: The cold water is air-conditioning condensed water.

8. A duct machine, characterized in that: It comprises the fresh air pre-cooling structure described in any one of claims 1 to 7.

9. The air duct machine according to claim 8, characterized in that: The air duct unit comprises a heat exchanger (40), and the heat exchanger (40) is located above the precooling assembly (10).

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