Water retaining structure and air conditioning system

Abstract

The utility model provides a water retaining structure and an air conditioning system. The water retaining structure comprises a heat exchanger and a water pan arranged at the bottom of the heat exchanger. A liquid inlet and outlet collecting pipe is arranged on one side of the heat exchanger; the first side of the liquid inlet and outlet collecting pipe is a heat exchange area of the heat exchanger, the second side of the liquid inlet and outlet collecting pipe is provided with a sealing plate used for sealing a front cavity and a rear cavity of the heat exchanger, the third side of the liquid inlet and outlet collecting pipe is provided with a first water baffle, and the fourth side of the liquid inlet and outlet collecting pipe is provided with a second water baffle. The first water baffle is fixed to the sealing plate, the second water baffle is fixed to the first water baffle, and the bottom of the first water baffle and the bottom of the second water baffle are located in the water pan. According to the water retaining structure and the air conditioning system, condensate water can be effectively prevented from being splashed out of the water pan, and safe and effective operation of equipment is guaranteed.

Description

Technical Field

[0001] The present application relates to the technical field of air-conditioning equipment, and in particular to a water retaining structure and an air-conditioning system. Background Art

[0002] The control of the temperature and humidity environment inside the data center computer room depends on the indoor air conditioning terminal, that is, the wind wall air conditioner. The wind wall air conditioner in the computer room has the characteristics of high efficiency, high sensible heat ratio, high reliability and flexibility, and can meet the increasing server heat dissipation, constant humidity control, air filtration and other requirements of the data center computer room.

[0003] In the process of implementing this application, the inventors found that there are at least the following problems in the prior art: during the use of the wind wall air conditioner, condensed water will be generated on the header of the heat exchanger, and most of the condensed water will flow along the header into the water receiving pan at the bottom, but some of the condensed water will not be able to flow down along the outer wall of the header due to the vibration of the air conditioner and the obstruction of the branch pipe. At this time, the condensed water will drip, and when the dripping condensed water falls into the water receiving pan, it is very easy to splash, causing the condensed water to fall on the outside of the water receiving pan. Since the data center computer room has very strict requirements on the temperature and humidity environment, once condensed water splashes, it will cause great damage to the server and other equipment. Therefore, this situation must be resolutely prevented in the computer room of the data center. Summary of the invention

[0004] Based on this, the present application provides a water retaining structure and an air conditioning system to improve the problem of condensed water splashing in the prior art.

[0005] To achieve the above purpose, the technical solution of the embodiment of the present application is implemented as follows:

[0006] On the one hand, an embodiment of the present application provides a water retaining structure for an air-conditioning system, comprising a heat exchanger and a water receiving pan arranged at the bottom of the heat exchanger; an inlet and outlet liquid manifold is arranged on one side of the heat exchanger; a first side of the inlet and outlet liquid manifold is a heat exchange area of ​​the heat exchanger, a second side of the inlet and outlet liquid manifold is provided with a sealing plate for sealing the front and rear cavities of the heat exchanger, a first water retaining plate is arranged on the third side of the inlet and outlet liquid manifold, and a second water retaining plate is arranged on the fourth side of the inlet and outlet liquid manifold, the first water retaining plate is fixed on the sealing plate, the second water retaining plate is fixed on the first water retaining plate, and the bottoms of the first water retaining plate and the second water retaining plate are respectively located in the water receiving pan.

[0007] In one of the embodiments, a drain valve and an exhaust valve are provided at one end of the inlet and outlet liquid manifold close to the water receiving tray, and the second water baffle is fixed to the first water baffle by a quick-release fastener.

[0008] In one embodiment, the inlet and outlet liquid manifolds include an inlet manifold and an outlet manifold, the inlet manifold is provided with a liquid inlet, the outlet manifold is provided with a liquid outlet, and the inlet and outlet are arranged at a height higher than the second water baffle.

[0009] In one of the embodiments, a first flange is provided on the top of the second water baffle plate, and the first flange is bent in a direction away from the inlet and outlet liquid manifold.

[0010] In one embodiment, the height of the second water baffle does not exceed 1 / 3 of the height of the inlet and outlet liquid headers.

[0011] In one embodiment, the height of the first water baffle is the same as the height of the second water baffle.

[0012] In one of the embodiments, the liquid inlet manifold is fixed to the frame of the heat exchanger through a first manifold fixing member, and the liquid outlet manifold is fixed to the sealing plate through a second manifold fixing member.

[0013] In one embodiment, the liquid inlet is connected to a liquid inlet pipe, the liquid outlet is connected to a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are respectively connected to the liquid inlet and the liquid outlet via a fourth side of the inlet and outlet manifold.

[0014] In one of the embodiments, a second flange is provided on the top of one side of the water receiving tray, and the second flange is bent toward the fourth side of the inlet and outlet liquid manifold and away from the inlet and outlet liquid manifold.

[0015] On the other hand, an embodiment of the present application provides an air conditioning system, comprising the water retaining structure as described above.

[0016] The present application has at least the following beneficial effects: the water retaining structure of the embodiment of the present application is respectively provided with a heat exchanger, a sealing plate, a first water retaining plate and a second water retaining plate on the four sides of the inlet and outlet liquid collecting pipe, and the bottoms of the first water retaining plate and the second water retaining plate are located in the water receiving tray, which can effectively prevent the condensed water on the inlet and outlet liquid collecting pipe from dripping and splashing out of the water receiving tray, thereby ensuring the safe and stable operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the water retaining structure of an embodiment of the present application.

[0018] Figure 2 for Figure 1 Schematic diagram of the main structure of the water retaining structure (after removing the second water retaining plate).

[0019] Figure 3 for Figure 1 An enlarged schematic diagram of point A.

[0020] The meanings of the symbols in the accompanying drawings are as follows:

[0021] 1. Heat exchanger; 11. Liquid inlet pipe; 12. Liquid outlet pipe; 13. Branch pipe; 14. Liquid inlet header; 15. Liquid outlet header; 16. Second header fixing piece; 2. Water receiving tray; 21. Second flange; 3. First water baffle plate; 4. Second water baffle plate; 41. First flange; 5. Sealing plate; 6. Butterfly screw; a. First side; b. Second side; c. Third side; d. Fourth side. DETAILED DESCRIPTION

[0022] The technical solution of the present application is further elaborated in detail below in conjunction with the accompanying drawings and specific embodiments of the specification.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit the implementation of this application. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating positions or positional relationships, are based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In the description of the present application, unless otherwise specified, "multiple" means two or more.

[0025] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0026] See also Figure 1 and Figure 2The water retaining structure of the embodiment of the present application is used for an air conditioning system, and includes a heat exchanger 1 and a water receiving pan 2 arranged at the bottom of the heat exchanger 1. An inlet and outlet liquid manifold is provided on one side of the heat exchanger 1, and the inlet and outlet liquid manifold includes an inlet manifold 14 and an outlet manifold 15. The first side a of the inlet and outlet liquid manifold is the heat exchange area of ​​the heat exchanger 1, the second side b of the inlet and outlet liquid manifold is provided with a sealing plate 5 for sealing the front and rear cavities of the heat exchanger, the third side c of the inlet and outlet liquid manifold is provided with a first water retaining plate 3, and the fourth side d of the inlet and outlet liquid manifold is provided with a second water retaining plate 4. Among them, the first side a of the inlet and outlet liquid manifold is adjacent to the second side b and the fourth side d respectively, the second side b of the inlet and outlet liquid manifold is opposite to the fourth side d, and the first side a of the inlet and outlet liquid manifold is opposite to the third side c. The first water retaining plate 3 is fixed on the sealing plate 5, the second water retaining plate 4 is fixed on the first water retaining plate 3, and the bottoms of the first water retaining plate 3 and the second water retaining plate 4 are respectively located in the water receiving pan 2.

[0027] Specifically, the heat exchanger 1 of this embodiment is a coil heat exchanger 1, which is in a rectangular parallelepiped shape as a whole. The heat exchanger 1 also includes a heat exchange coil (not shown) and a branch pipe 13. The heat exchange coil is located inside the heat exchanger 1. One end of the heat exchange coil is connected to the branch pipe 13, and the other end is connected to the liquid outlet header 15. There are multiple heat exchange coils, and both ends of each heat exchange coil are respectively connected to the branch pipe 13 and the liquid outlet header 15. The other end of the branch pipe 13 is connected to the liquid inlet header 14.

[0028] The lower part of the inlet manifold 14 is provided with a liquid inlet, which is connected to the inlet pipe 11. The lower part of the outlet manifold 15 is provided with a liquid outlet, which is connected to the outlet pipe 12. The inlet pipe 11 and the outlet pipe 12 are respectively connected to the inlet and the outlet through the fourth side of the inlet and outlet manifold. The inlet and the outlet are arranged at a height higher than the height of the second water baffle 4. The refrigerant passes through the inlet manifold 14 and the branch pipe 13 from the inlet pipe 11 in sequence, and then enters the heat exchange coil. After heat exchange with the outside air in the heat exchange coil, the refrigerant flows out from the outlet pipe 12 through the outlet manifold 15.

[0029] The sealing plate 5 and the second water baffle plate 4 are respectively located on opposite sides of the inlet and outlet liquid headers. The inlet liquid header 14 is detachably fixed to the frame of the heat exchanger 1 through a first header fixture (not shown). The outlet liquid header 15 is detachably connected to the sealing plate 5 through a second header fixture 16. The connection between the sealing plate 5 and the heat exchanger 1 is tightly fitted and used to seal and isolate the front and rear cavities to prevent air leakage, so that the airflow can fully enter the interior of the heat exchanger 1 to exchange heat with the heat exchange coil, thereby improving the heat exchange efficiency of the heat exchanger.

[0030] like Figure 1 and Figure 3As shown, since the inlet pipe 11 and the outlet pipe 12 have certain requirements for the installation height, the installation height cannot be too high, and the inlet pipe 11 and the outlet pipe 12 are arranged above the second water baffle 4, therefore, the height of the second water baffle 4 should not be too high, and there is no specific requirement for the height of the first water baffle 3, for example, it can be flush with the top of the inlet manifold 14 or the outlet manifold 15. Under the premise of taking into account the water-blocking effect and the manufacturing cost, the height of the first water baffle 3 and the second water baffle 4 can be set to not exceed 1 / 3 of the height of the inlet manifold 14. This height can not only play a good water-blocking effect, but also save materials, and can also take into account the problem of the installation height of the inlet pipe 11 and the outlet pipe 12. At the same time, the height of the second water baffle 4 can be set to be the same as the height of the first water baffle 3. In order to prevent the second water baffle 4 from contacting with the liquid inlet pipe 11 and the liquid outlet pipe 12 and causing wear thereof, a certain distance can be maintained between the top of the second water baffle 4 and the liquid inlet pipe 11 and the liquid outlet pipe 12, and at the same time, a first flange 41 is provided at the top of the second water baffle 4, and the distance between the first flange 41 and the liquid inlet manifold 14 gradually decreases from the top to the bottom. That is, the first flange 41 is inclined outwardly relative to the second water baffle 4 (the first flange 41 is bent in a direction away from the liquid inlet and outlet manifolds), and the first flange 41 can prevent the second water baffle 4 from directly contacting the liquid inlet pipe 11 and the liquid outlet pipe 12 and causing wear thereof, and at the same time, the first flange 41 can also play a further role in water blocking and drainage. The first water baffle 3 and the second water baffle 4 have the same height, which means that the overall height of the first water baffle 3 and the height from the bottom of the second water baffle 4 to the top of the first flange 41 are the same.

[0031] like Figure 3 As shown, since the bottom of the liquid inlet manifold 14 and / or the liquid outlet manifold 15 (the end close to the water receiving tray 2) is usually provided with components such as a drain valve (not shown) and an exhaust valve (not shown), they need to be regularly maintained. In order to make maintenance easier to operate, the first water baffle 3 can be detachably connected to the sealing plate 5, and the first water baffle 3 and the second water baffle 4 can be detachably connected. For example, the end of the first water baffle 3 away from the second water baffle 4 can be connected to the sealing plate 5 through a connector such as an ordinary screw, and the end of the first water baffle 3 close to the second water baffle 4 can be detachably connected to one end of the second water baffle 4 through a quick-release fastener. The quick-release fastener can be, for example, a butterfly screw 6. The butterfly screw 6 is very convenient to disassemble and assemble, and can be operated by hand without using tools. When maintenance is required, the butterfly screw 6 can be manually unscrewed, and the second water baffle 4 can be removed to maintain the drain valve and the exhaust valve. After the maintenance is completed, the butterfly screw 6 can be directly manually tightened to complete the installation of the second water baffle 4, which is very convenient and quick.

[0032] like Figure 1 and Figure 3As shown, in order to further increase the water retaining effect of the water retaining structure, a second flange 21 can also be provided on the top of the water receiving tray 2, and the second flange 21 is bent toward the fourth side of the inlet and outlet liquid header and away from the inlet and outlet liquid header. The inclined second flange 21 can also play the role of water retaining and drainage to prevent condensed water from splashing outward.

[0033] The embodiment of the present application also provides an air conditioning system, comprising a compressor, a condenser, an expansion valve and the above-mentioned water retaining structure. The liquid inlet pipe 11 of the water retaining structure is connected to the outlet of the expansion valve, and the liquid outlet pipe 12 is connected to the inlet of the compressor.

[0034] The water retaining structure of the embodiment of the present application, when condensed water drips from the inlet and outlet liquid collecting pipes, the first water retaining plate, the second water retaining plate, the sealing plate and the heat exchanger respectively play a role in preventing condensed water from splashing in four directions, effectively preventing condensed water from splashing out of the water receiving tray, thereby ensuring the safe operation of the data center equipment. At the same time, the second water retaining plate is connected to the first water retaining plate by quick-release fasteners, which can facilitate the maintenance of internal components and improve work efficiency.

[0035] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0036] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A water retaining structure for an air conditioning system, characterized in that: It includes a heat exchanger and a water receiving pan arranged at the bottom of the heat exchanger; an inlet and outlet liquid collection pipe is arranged on one side of the heat exchanger; the first side of the inlet and outlet liquid collection pipe is the heat exchange area of ​​the heat exchanger, the second side of the inlet and outlet liquid collection pipe is provided with a sealing plate for sealing the front and rear cavities of the heat exchanger, the third side of the inlet and outlet liquid collection pipe is provided with a first water baffle plate, and the fourth side of the inlet and outlet liquid collection pipe is provided with a second water baffle plate, the first water baffle plate is fixed on the sealing plate, the second water baffle plate is fixed on the first water baffle plate, and the bottoms of the first water baffle plate and the second water baffle plate are respectively located in the water receiving pan.

2. The water retaining structure according to claim 1, characterized in that: A drain valve and an exhaust valve are provided at one end of the inlet and outlet liquid collecting pipe close to the water receiving tray, and the second water baffle is fixed to the first water baffle by a quick-release fastener.

3. The water retaining structure according to claim 1, characterized in that: The inlet and outlet liquid manifolds include an inlet manifold and an outlet manifold, the inlet manifold is provided with a liquid inlet, the outlet manifold is provided with a liquid outlet, and the inlet and outlet are arranged at a height higher than the second water baffle.

4. The water retaining structure according to claim 3, characterized in that: A first flange is provided on the top of the second water baffle plate, and the first flange is bent in a direction away from the inlet and outlet liquid manifold.

5. The water retaining structure according to claim 4, characterized in that: The height of the second water baffle does not exceed 1 / 3 of the height of the inlet and outlet liquid headers.

6. The water retaining structure according to claim 5, characterized in that: The height of the first water baffle plate is the same as the height of the second water baffle plate.

7. The water retaining structure according to claim 3, characterized in that: The liquid inlet header is fixed to the frame of the heat exchanger through a first header fixing piece, and the liquid outlet header is fixed to the sealing plate through a second header fixing piece.

8. The water retaining structure according to claim 3, characterized in that: The liquid inlet is connected to a liquid inlet pipe, and the liquid outlet is connected to a liquid outlet pipe. The liquid inlet pipe and the liquid outlet pipe are respectively connected to the liquid inlet and the liquid outlet via the fourth side of the liquid inlet and outlet manifold.

9. The water retaining structure according to claim 1, characterized in that: A second flange is provided on the top of one side of the water receiving tray, and the second flange is bent toward the fourth side of the inlet and outlet liquid header and away from the inlet and outlet liquid header.

10. An air conditioning system, characterized in that: It comprises the water retaining structure as claimed in any one of claims 1 to 9.

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