Heating and ventilation equipment

Abstract

The utility model discloses heating and ventilation equipment which comprises a box body, a refrigerant assembly and a water cooling assembly, the box body comprises an air duct, an air inlet and an air outlet, the air inlet and the air outlet are respectively communicated with the air duct, the refrigerant assembly comprises a first heat exchanger arranged in the air duct, and the water cooling assembly comprises a second heat exchanger arranged in the air duct. The first heat exchanger and the second heat exchanger are sequentially arranged in the direction from the air inlet to the air outlet. At least one of the first heat exchanger and the second heat exchanger is used for conducting heat exchange on airflow flowing to the air outlet through the air inlet. When the temperature of cooling water is low, only the water cooling assembly (the refrigerant assembly stops running) is started, the second heat exchanger is used for conducting heat exchange on airflow, the working time of the refrigerant system can be shortened, the energy efficiency of the heating and ventilation equipment is improved, when the temperature of the cooling water is low in winter, only the water cooling assembly is started for conducting heat exchange on the airflow, and the energy efficiency of the heating and ventilation equipment is improved. And the reliability of the heating and ventilation equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of HVAC equipment, in particular to a HVAC equipment. Background Art

[0002] This section merely provides background information related to the present disclosure and is not necessarily prior art.

[0003] In large-scale, high-cooling demand applications such as subways, stations, and shopping malls, direct expansion chillers are generally used as HVAC equipment, effectively reducing project installation costs.

[0004] In the prior art, the energy efficiency improvement of direct expansion chillers is limited by the capacity level of the compressor. At the same time, when the cooling water temperature is low in winter, the pressure at the condensing end is low when the refrigeration system is turned on, which can easily cause the system pressure to be too low, posing a risk of compressor reliability and reducing the reliability of the entire machine. Utility Model Content

[0005] The purpose of the utility model is to at least solve the problem of how to improve energy efficiency and improve the reliability of the whole machine. This purpose is achieved through the following technical solutions:

[0006] The utility model proposes a HVAC device, which comprises:

[0007] A box body, the box body comprising an air duct, an air inlet and an air outlet, the air inlet and the air outlet being respectively connected to the air duct;

[0008] A refrigerant assembly, the refrigerant assembly comprising a first heat exchanger disposed in the air duct;

[0009] A water cooling component, the water cooling component comprising a second heat exchanger arranged in the air duct, and the first heat exchanger and the second heat exchanger are arranged in sequence along the direction from the air inlet to the air outlet;

[0010] Wherein, at least one of the first heat exchanger and the second heat exchanger is used to perform heat exchange on the airflow flowing from the air inlet to the air outlet.

[0011] According to the HVAC equipment of the utility model, when the HVAC equipment is in operation, the airflow enters the air duct through the air inlet, and the airflow entering the air duct flows to the air outlet after passing through the first heat exchanger and the second heat exchanger, and is transported to the desired position through the air outlet. At least one of the first heat exchanger and the second heat exchanger exchanges heat with the passing airflow so that the passing airflow can reach the desired temperature. The first heat exchanger exchanges heat with the airflow through the refrigerant, and the second heat exchanger exchanges heat with the airflow through cooling water. When the temperature of the cooling water is low, only the water cooling component can be turned on (the refrigerant component stops running) and the second heat exchanger is used to exchange heat with the airflow, thereby reducing the working time of the refrigerant system and improving the energy efficiency of the HVAC equipment. In addition, when the cooling water temperature is low in winter, only the water cooling component can be turned on to exchange heat with the airflow, thereby improving the reliability of the HVAC equipment.

[0012] In addition, the HVAC equipment according to the utility model may also have the following additional technical features:

[0013] In some embodiments of the present invention, the water cooling assembly further includes a main water inlet pipe and a main water outlet pipe, and the main water inlet pipe and the main water outlet pipe are respectively connected to the second heat exchanger.

[0014] In some embodiments of the present invention, the refrigerant component further includes:

[0015] compressor;

[0016] The third heat exchanger includes a refrigerant circulation part and a water circulation part which are thermally connected. The refrigerant circulation part, the compressor and the first heat exchanger constitute a refrigerant circulation system. The water circulation part is respectively connected to the main water inlet pipe and the main water outlet pipe.

[0017] In some embodiments of the present invention, the water cooling assembly further includes:

[0018] A first tee piece, the first tee piece comprising a first joint, a second joint and a third joint, the main water inlet pipe being connected to the first joint;

[0019] a first water inlet pipe, one end of which is connected to the second joint, and the other end of which is connected to the third heat exchanger and communicated with the water circulation part;

[0020] A second water inlet pipe, one end of the second water inlet pipe is connected to the third joint, and the other end of the second water inlet pipe is connected to the second heat exchanger.

[0021] In some embodiments of the present invention, the water cooling assembly further includes:

[0022] A second tee piece, wherein the second tee piece comprises a fourth joint, a fifth joint and a sixth joint, and the main water outlet pipe is connected to the fourth joint;

[0023] a first water outlet pipe, one end of which is connected to the fifth joint, and the other end of which is connected to the third heat exchanger and communicated with the water circulation part;

[0024] A second water outlet pipe, one end of which is connected to the sixth joint, and the other end of which is connected to the second heat exchanger.

[0025] In some embodiments of the present invention, the water cooling assembly further includes a first control valve and a second control valve, wherein the first control valve is disposed on the first water inlet pipe or the first water outlet pipe, and the second control valve is disposed on the second water inlet pipe or the second water outlet pipe;

[0026] And / or, the water cooling component also includes a drain valve, which is arranged on the lowest one of the main water outlet pipe, the first water outlet pipe and the second water outlet pipe, and the drain valve is located at the lowest position of the pipeline.

[0027] In some embodiments of the present invention, the first heat exchanger is a coil-fin heat exchanger;

[0028] And / or, the second heat exchanger is a coil fin heat exchanger;

[0029] And / or, the third heat exchanger is a shell and tube heat exchanger.

[0030] In some embodiments of the present invention, the second heat exchanger is arranged on a side of the first heat exchanger away from the air inlet.

[0031] In some embodiments of the present invention, the HVAC equipment also includes a filter assembly, which is arranged in the air duct and between the first heat exchanger and the air inlet, and the filter assembly is used to filter the airflow flowing from the air inlet to the air outlet.

[0032] In some embodiments of the present invention, the HVAC equipment also includes a fan assembly, which is disposed in the air duct and between the second heat exchanger and the air outlet, and the fan assembly provides driving force for the airflow to flow from the air inlet to the air outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not to be considered as limiting the present invention. Moreover, the same reference numerals are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0034] Figure 1 The structure diagram of the HVAC equipment according to some embodiments of the present utility model is schematically shown;

[0035] Figure 2 The structure diagram of the HVAC equipment according to some embodiments of the present utility model is schematically shown;

[0036] Figure 3 The structure diagram of the HVAC equipment according to some embodiments of the present utility model is schematically shown;

[0037] Figure 4 The structure diagram of the HVAC equipment according to some embodiments of the present utility model is schematically shown;

[0038] Figure 5 The structure diagram of HVAC equipment according to some embodiments of the utility model is schematically shown.

[0039] The reference numerals are as follows:

[0040] 100. HVAC equipment;

[0041] 10. Box body;

[0042] 11. First part; 111. Air inlet; 12. Second part; 121. Air outlet; 13. Air duct;

[0043] 20. Refrigerant components;

[0044] 21. first heat exchanger; 22. compressor; 23. third heat exchanger;

[0045] 30. Water cooling components;

[0046] 301, second heat exchanger; 302, second outlet pipe; 303, second inlet pipe; 304, second control valve; 305, main inlet pipe; 306, main outlet pipe; 307, first control valve; 308, first outlet pipe; 309, first inlet pipe; 310, second three-way fitting; 311, first three-way fitting;

[0047] 40. Fan assembly. DETAILED DESCRIPTION

[0048] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0049] It should be understood that the terms used herein are only for the purpose of describing specific example embodiments and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive, and therefore specify the existence of stated features, steps, operations, elements and / or parts, but do not exclude the existence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0050] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0051] For ease of description, spatial relative terms may be used herein to describe the relationship of one element or feature relative to another element or feature as shown in the figure, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure is turned over, then the elements described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." can include both upper and lower orientations. The device can be oriented otherwise (rotated 90 degrees or in other directions) and the spatial relative descriptors used in the text are interpreted accordingly.

[0052] like Figures 1 to 5 As shown, according to an embodiment of the present utility model, a HVAC device 100 is proposed, wherein the HVAC device 100 includes a box body 10, a refrigerant component 20 and a water cooling component 30.

[0053] Specifically, the box body 10 is provided with an air inlet 111, an air outlet 121 and an air duct 13, wherein the air duct 13 is arranged inside the box body 10, the air inlet 111 and the air outlet 121 are respectively arranged on the box body 10 and communicated with the air duct 13, and the air inlet 111 is communicated with the air outlet 121 through the air duct 13. The refrigerant assembly 20 includes a first heat exchanger 21, which is arranged in the air duct 13, and the water cooling assembly 30 includes a second heat exchanger 301, which is also arranged in the air duct 13. When the airflow passes through the air inlet 111 and flows to the air outlet 121 in the air duct 13, at least one of the first heat exchanger 21 and the second heat exchanger 301 exchanges heat with the passing airflow.

[0054] It should be understood that in the present application, the refrigerant assembly 20 has a refrigerant circulation path, and the refrigerant exchanges heat with the airflow passing through the first heat exchanger 21 in the first heat exchanger 21 so that the temperature of the airflow passing through the first heat exchanger 21 meets the requirements.

[0055] In addition, cooling water can be circulated in the second heat exchanger 301, and the circulating cooling water exchanges heat with the air flow passing through the second heat exchanger 301, so that the temperature of the air flow passing through the second heat exchanger 301 meets the requirements.

[0056] According to the HVAC device 100 of the present invention, when the HVAC device 100 is in operation, the airflow enters the air duct 13 through the air inlet 111, and the airflow entering the air duct 13 flows to the air outlet 121 after passing through the first heat exchanger 21 and the second heat exchanger 301, and is transported to a desired location through the air outlet 121. At least one of the first heat exchanger 21 and the second heat exchanger 301 exchanges heat with the passing airflow so that the passing airflow can reach a desired temperature. The first heat exchanger 21 performs heat exchange with the airflow through the refrigerant, and the second heat exchanger 301 performs heat exchange with the airflow through the cooling water. When the temperature of the cooling water is low, only the water cooling component 30 can be turned on (the refrigerant component 20 stops running) and the second heat exchanger 301 is used to exchange heat with the airflow, thereby reducing the working time of the refrigerant system and improving the energy efficiency of the HVAC equipment 100. In addition, when the cooling water temperature is low in winter, only the water cooling component 30 can be turned on to exchange heat with the airflow, thereby improving the reliability of the HVAC equipment 100.

[0057] It should be pointed out that in the present application, the temperature of the cooling water circulating in the water cooling component 30 is lower than the set temperature of the air flow (that is, the target temperature of the air flow). At this time, the air flow passing through the second heat exchanger 301 can be cooled by cooling water so that the temperature of the air flow can meet the requirements.

[0058] In addition, in the HVAC equipment 100 in the present application, the first heat exchanger 21 and the second heat exchanger 301 can be operated individually or together.

[0059] For example, when the temperature of the cooling water is higher than the set temperature of the airflow, only the refrigerant assembly 20 is in operation, and only the refrigerant circulating in the refrigerant assembly 20 exchanges heat with the passing airflow in the first heat exchanger 21 .

[0060] For example, when the temperature of the cooling water is lower than the first preset temperature (the temperature of the cooling water is lower than the set temperature of the airflow, but the temperature of the cooling water is not much different from the set temperature of the airflow), in order to improve the heat exchange efficiency, the refrigerant component 20 and the water cooling component 30 can operate simultaneously, and the first heat exchanger 21 and the second heat exchanger can jointly exchange heat with the passing airflow.

[0061] For example, when the temperature of the cooling water is lower than the second preset temperature (the temperature of the cooling water is lower than the set temperature of the airflow, but the temperature of the cooling water is significantly different from the set temperature of the airflow, and the second preset temperature is lower than the first preset temperature), only the water cooling component 30 is running. At this time, only the cooling water circulating in the water cooling component 30 exchanges heat with the passing airflow in the second heat exchanger 301.

[0062] In addition, in the present application, the box body 10 is a rectangular parallelepiped structure, including a first part 11 and a second part, wherein the first part 11 and the second part 12 are connected in a detachable manner (such a setting facilitates the layout and installation of each component and also facilitates transportation), the water cooling component 30 and the refrigerant component 20 are jointly arranged in the first part 11 or the second part 12, the air inlet 111 is opened on the first part 11, and the air outlet 121 is opened on the second part 12. At the same time, the air inlet 111 is opened at the top of the first part 11, and the air outlet 121 is also opened at the top of the second part 12. When the airflow enters the air duct 13 through the air inlet 111, the airflow enters in a vertical direction. After entering the air duct 13, the airflow turns 90° and then passes horizontally through the first heat exchanger 21 and the second heat exchanger 301 and flows to the air outlet 121. When the airflow after heat exchange reaches the bottom of the air outlet 121, the airflow turns 90° and is discharged through the air outlet 121 in the vertical direction.

[0063] In some embodiments of the present invention, Figures 1 to 5 As shown, the water cooling assembly 30 also includes a main water inlet pipe 305 and a main water outlet pipe 306 respectively connected to the second heat exchanger 301. Specifically, the second heat exchanger 301 has a cooling channel, the main water inlet pipe 305 and the main water outlet pipe 306 are respectively connected to the second heat exchanger 301, and the main water inlet pipe 305 and the main water outlet pipe 306 are respectively connected to the two ends of the cooling channel. When the second heat exchanger 301 is used to exchange heat with the passing airflow, the cooling water flows into the second heat exchanger 301 through the main water inlet pipe 305, and the cooling water exchanges heat with the passing airflow through the second heat exchanger 301. The cooling water after heat exchange flows out through the main water outlet pipe 306 to improve the heat exchange effect of the second heat exchanger 301 on the passing airflow.

[0064] It should be noted that the main water inlet pipe 305 and the main water outlet pipe 306 are connected to a cooling water source so that cooling water can be continuously supplied to meet usage requirements.

[0065] In some embodiments of the present invention, Figures 1 to 5 As shown, the refrigerant assembly 20 also includes a third heat exchanger 23 and a compressor 22. The third heat exchanger 23 includes a water circulation part and a refrigerant circulation part, and the water circulation part and the refrigerant circulation part are thermally connected. Among them, the compressor 22, the first heat exchanger 21 and the refrigerant circulation part constitute a refrigerant circulation system, and the main water inlet pipe 305 and the main water outlet pipe 306 are respectively connected to the water circulation part.

[0066] Specifically, the first heat exchanger 21, the third heat exchanger 23 and the compressor 22 constitute a refrigerant circulation system, wherein one of the first heat exchanger 21 and the third heat exchanger 23 serves as an evaporator and the other serves as a condenser. When cooling the airflow, the first heat exchanger 21 serves as an evaporator and the third heat exchanger 23 serves as a condenser.

[0067] When the refrigerant system cools the passing airflow, the main water inlet pipe 305 and the main water outlet pipe 306 are connected to the water circulation part of the third heat exchanger 23, and the cooling water is used to exchange heat with the refrigerant in the third heat exchanger 23 to reduce the temperature of the refrigerant. By connecting the cooling water to the second heat exchanger 301 and the third heat exchanger 23 respectively, the water cooling assembly 30 can not only exchange heat with the airflow, but also with the refrigerant, thereby simplifying the overall structure and reducing the manufacturing cost of the HVAC equipment 100.

[0068] In some embodiments of the present invention, Figures 2 to 5 As shown, the water cooling assembly 30 further includes a first three-way piece 311 , a first water inlet pipe 309 and a second water inlet pipe 303 .

[0069] Specifically, the first three-way piece 311 includes three joints, namely, a first joint, a second joint and a third joint. The first joint is connected to the main water inlet pipe 305, the second joint is connected to one end of the first branch water inlet pipe 309, the third heat exchanger 23 is connected to the other end of the first branch water inlet pipe 309, the water circulation part is connected to the first branch water inlet pipe 309, the third joint is connected to one end of the second branch water inlet pipe 303, and the second heat exchanger 301 is connected to the other end of the second branch water inlet pipe 303.

[0070] The main water inlet pipe 305, the first water inlet pipe 309 and the second water inlet pipe 303 are connected respectively by the first three-way piece 311, and the first water inlet pipe 309 is connected to the water circulation part of the third heat exchanger 23, and the second water inlet pipe 303 is connected to the second heat exchanger 301. The water inlet structure of the water cooling assembly 30 is simple, which effectively reduces the manufacturing cost and is also convenient for disassembly and assembly of the pipeline.

[0071] It should be pointed out that all connection positions between the first three-way piece 311, the main water inlet pipe 305, the first branch water inlet pipe 309, the second branch water inlet pipe 303, the second heat exchanger 301 and the third heat exchanger 23 are detachable connections, which facilitates disassembly and assembly, thereby improving the efficiency of disassembly and assembly.

[0072] In some embodiments of the present invention, Figures 2 to 5As shown, the water cooling assembly 30 further includes a second three-way piece 310, a first outlet water pipe 308 and a second outlet water pipe 302. The second three-way piece 310 includes three joints, which are a fourth joint, a fifth joint and a sixth joint. The fourth joint is connected to the main outlet water pipe 306, the fifth joint is connected to one end of the first outlet water pipe 308, the third heat exchanger 23 is connected to the other end of the first outlet water pipe 308, the water circulation part is connected to the first outlet water pipe 308, the sixth joint is connected to one end of the second outlet water pipe 302, and the second heat exchanger 301 is connected to the other end of the second outlet water pipe 302.

[0073] The main water outlet pipe 306, the first water outlet pipe 308 and the second water outlet pipe 302 are connected respectively by the second tee piece 310, and the first water outlet pipe 308 is connected to the water circulation part of the third heat exchanger 23, and the second water outlet pipe 302 is connected to the second heat exchanger 301. The water outlet structure of the water cooling assembly 30 is simple, which effectively reduces the manufacturing cost and is also convenient for disassembly and assembly of the pipeline.

[0074] It should be pointed out that all connection positions between the second three-way piece 310, the main water outlet pipe 306, the first water outlet pipe 308, the second water outlet pipe 302, the second heat exchanger 301 and the third heat exchanger 23 are detachable connections, which facilitates disassembly and assembly, thereby improving the efficiency of disassembly and assembly.

[0075] In some embodiments of the present invention, Figures 1 to 5 As shown, the water cooling assembly 30 also includes two control valves, which are a first control valve 307 and a second control valve 304. The first control valve 307 can be arranged at the first water inlet pipe 309 (such as Figure 3 and Figure 5 ), it can also be arranged on the first outlet pipe 308 (as shown Figure 2 and Figure 4 The second control valve 304 can be arranged on the second water inlet pipe 303 (as shown in FIG. Figure 4 and Figure 5 ), it can also be arranged on the second outlet pipe 302 (as shown Figure 2 and Figure 3 shown).

[0076] The first control valve 307 and the second control valve 304 are provided, and the control of the first control valve 307 and the second control valve 304 is used to control the flow direction of the cooling water. For example, when the airflow passing through is heat exchanged only through the second heat exchanger 301, the first control valve 307 is closed and the second control valve 304 is opened, and the cooling water is only circulated in the second heat exchanger 301. For another example, when the airflow is heat exchanged only through the first heat exchanger 21, the first control valve 307 is opened and the second control valve 304 is closed, and the cooling water is only circulated in the water circulation part of the third heat exchanger 23 to exchange heat with the refrigerant circulating in the refrigerant system. For another example, when the airflow is heat exchanged by the first heat exchanger 21 and the second heat exchanger, the first control valve 307 and the second control are both opened, a part of the cooling water is heat exchanged with the airflow passing through the second heat exchanger 301, and the other part of the cooling water is circulated in the water circulation part of the third heat exchanger 23 to exchange heat with the refrigerant circulating in the refrigerant system.

[0077] It should be noted that, in the present application, both the first control valve 307 and the second control valve 304 are solenoid valves.

[0078] In some embodiments of the present invention, the water cooling assembly 30 also includes a drain valve, wherein the drain valve is arranged on the lowest one of the first outlet water pipe 308, the second outlet water pipe and the main outlet water pipe 306, and the drain valve is arranged at the lowest position of the pipeline.

[0079] A drain valve is set up. When the temperature is low in winter, the cooling water is discharged through the drain valve to reduce the residual cooling water in the pipeline, thereby reducing the occurrence of freezing and cracking of the pipeline.

[0080] In some embodiments of the utility model, the first heat exchanger 21 is a coil-fin heat exchanger. Specifically, the first heat exchanger 21 is arranged vertically with the air duct 13, and the first heat exchanger 21 is arranged as a coil-fin heat exchanger, so as to increase the heat exchange area of ​​the airflow, thereby improving the heat exchange effect of the airflow. In addition, the coil-fin heat exchanger has a simple structure and low manufacturing cost.

[0081] In some embodiments of the utility model, the second heat exchanger 301 is a coil-fin heat exchanger. Specifically, the second heat exchanger 301 is arranged vertically with the air duct 13, and the second heat exchanger 301 is arranged as a coil-fin heat exchanger, so as to increase the heat exchange area of ​​the airflow, thereby improving the heat exchange effect of the airflow. In addition, the coil-fin heat exchanger has a simple structure and low manufacturing cost.

[0082] In some embodiments of the present invention, the third heat exchanger 23 is a shell and tube heat exchanger. Specifically, the third heat exchanger 23 is used for heat exchange between cooling water and refrigerant. Setting the third heat exchanger 23 as a shell and tube heat exchanger can simplify the structure and reduce the manufacturing cost while meeting the heat exchange between the refrigerant and cooling water. At the same time, it can also reduce the space occupied, so that the space utilization rate of the HVAC equipment 100 is effectively improved.

[0083] In some embodiments of the present invention, Figures 1 to 5 As shown, the second heat exchanger 301 is spaced apart from the first heat exchanger 21 and is located on the side of the first heat exchanger 21 away from the air inlet 111. Specifically, in the present application, the refrigerant components 20 are all arranged on the same side of the second heat exchanger 301. The second heat exchanger 301 is arranged on the side of the first heat exchanger 21 away from the air inlet 111, which improves the convenience of the layout of the refrigerant component 20, thereby facilitating the disassembly and assembly of the refrigerant component 20 and improving the efficiency of the disassembly and assembly of the refrigerant component 20.

[0084] In some embodiments of the present invention, the HVAC equipment 100 further includes a filter assembly disposed in the air duct 13 , and the filter assembly is disposed between the air inlet 111 and the first heat exchanger 21 .

[0085] A filter assembly is provided between the air inlet 111 and the first heat exchanger 21 so as to filter the airflow first and reduce the adhesion of foreign matter such as hair carried in the airflow to the heat exchanger, thereby reducing the impact on the heat exchange effect of the heat exchanger.

[0086] It should be pointed out that, in the present application, the filter component may be a filter net or a filter sponge or other components.

[0087] In some embodiments of the present invention, Figures 1 to 5 As shown, the HVAC equipment 100 further includes a fan assembly 40 disposed in the air duct 13 , and the fan assembly 40 is disposed between the air outlet 121 and the second heat exchanger 301 .

[0088] A fan assembly 40 is provided to provide power for the airflow to flow in the air duct 13, so that the airflow has a good flow speed during the process of flowing through the air inlet 111, the air duct 13 and the air outlet 121, so as to improve the heat exchange efficiency of the airflow and meet the use requirements.

[0089] It should be noted that the fan assembly 40 includes a mounting frame and at least one fan. The mounting frame is installed in the box body 10, and the at least one fan is installed on the mounting frame.

[0090] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A HVAC equipment, characterized in that: The HVAC equipment includes: A box body, the box body comprising an air duct, an air inlet and an air outlet, the air inlet and the air outlet being respectively connected to the air duct; A refrigerant assembly, the refrigerant assembly comprising a first heat exchanger disposed in the air duct; A water cooling component, the water cooling component comprising a second heat exchanger arranged in the air duct, and the first heat exchanger and the second heat exchanger are arranged in sequence along the direction from the air inlet to the air outlet; Wherein, at least one of the first heat exchanger and the second heat exchanger is used to perform heat exchange on the airflow flowing from the air inlet to the air outlet.

2. The HVAC equipment according to claim 1, characterized in that: The water cooling assembly further includes a main water inlet pipe and a main water outlet pipe, and the main water inlet pipe and the main water outlet pipe are respectively connected to the second heat exchanger.

3. The HVAC equipment according to claim 2, characterized in that: The refrigerant component also includes: compressor; The third heat exchanger includes a refrigerant circulation part and a water circulation part which are thermally connected. The refrigerant circulation part, the compressor and the first heat exchanger constitute a refrigerant circulation system. The water circulation part is respectively connected to the main water inlet pipe and the main water outlet pipe.

4. The HVAC equipment according to claim 3, characterized in that: The water cooling assembly also includes: A first tee piece, the first tee piece comprising a first joint, a second joint and a third joint, the main water inlet pipe being connected to the first joint; a first water inlet pipe, one end of which is connected to the second joint, and the other end of which is connected to the third heat exchanger and communicated with the water circulation part; A second water inlet pipe, one end of the second water inlet pipe is connected to the third joint, and the other end of the second water inlet pipe is connected to the second heat exchanger.

5. The HVAC equipment according to claim 4, characterized in that: The water cooling assembly also includes: A second tee piece, wherein the second tee piece comprises a fourth joint, a fifth joint and a sixth joint, and the main water outlet pipe is connected to the fourth joint; a first water outlet pipe, one end of which is connected to the fifth joint, and the other end of which is connected to the third heat exchanger and communicated with the water circulation part; A second water outlet pipe, one end of which is connected to the sixth joint, and the other end of which is connected to the second heat exchanger.

6. The HVAC equipment according to claim 5, characterized in that: The water cooling assembly further includes a first control valve and a second control valve, wherein the first control valve is arranged on the first water inlet pipe or the first water outlet pipe, and the second control valve is arranged on the second water inlet pipe or the second water outlet pipe; And / or, the water cooling component also includes a drain valve, which is arranged on the lowest one of the main water outlet pipe, the first outlet water pipe and the second outlet water pipe, and the drain valve is located at the lowest position of the pipeline.

7. The HVAC equipment according to claim 3, characterized in that: The first heat exchanger is a coil fin type heat exchanger; And / or, the second heat exchanger is a coil fin heat exchanger; And / or, the third heat exchanger is a shell and tube heat exchanger.

8. The HVAC equipment according to any one of claims 1 to 7, characterized in that: The second heat exchanger is arranged on a side of the first heat exchanger away from the air inlet.

9. The HVAC equipment according to claim 8, characterized in that: The HVAC equipment also includes a filter assembly, which is arranged in the air duct and between the first heat exchanger and the air inlet, and is used to filter the airflow flowing from the air inlet to the air outlet.

10. The HVAC equipment according to claim 7, characterized in that: The HVAC equipment also includes a fan assembly, which is arranged in the air duct and between the second heat exchanger and the air outlet. The fan assembly provides a driving force for the airflow to flow from the air inlet to the air outlet.

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