An air conditioning unit drainage device

Abstract

This utility model relates to a drainage device for an air conditioning unit. The device includes a drain pan and a drain pipe. The drain pan includes a main body and an accessory. The main body has a downwardly recessed drain cavity with an inclined surface on the inner side. A drain hole is provided on the drain cavity, and the drain pipe communicates with the drain hole. The main body includes an upper plate and a lower plate located below the upper plate. The accessory connects the upper plate and the lower plate, forming a cavity between the upper plate, the lower plate, and the accessory. Insulation material is placed inside the cavity. The accessory is made of plastic. The air conditioning unit drainage device provided by this utility model has a heat-insulating drain pan with a small cold bridge; it can completely drain the condensate dripping from the surface cooler, ensuring thorough and rapid drainage.

Description

Technical Field

[0001] This utility model relates to a drainage device for an air conditioning unit. Background Technology

[0002] The surface cooler is the most common key component in a modular air conditioning unit. Its principle is as follows: low-temperature chilled water flows inside the heat exchange tubes (usually copper tubes) of the surface cooler, cooling and dehumidifying the air passing through the fins via convection heat exchange. This causes water vapor in the air to condense on the surface cooler fins, eventually forming small water droplets that drip down the fins. Therefore, a drain pan is located at the bottom of the surface cooler to facilitate the timely drainage of all dripping water and prevent bacterial growth.

[0003] Currently, drain pans have a cuboid-shaped cavity with a flat bottom, resulting in slow water drainage. Furthermore, the metal material of the drain pan leads to rapid heat transfer and significant thermal bridging. For environments with high cleanliness requirements, such as hospitals, ensuring that all dripping water from the drain pan is drained quickly and completely to meet these requirements is a pressing issue that needs to be addressed. Utility Model Content

[0004] The purpose of this invention is to provide a drainage device for an air conditioning unit, which can drain all and quickly the dripping water in the drain pan.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: An air conditioning unit drainage device includes a drainage tray and a water outlet pipe. The drainage tray includes a tray body and an assembly. The tray body has a downwardly recessed drainage cavity. The inner side of the drainage cavity has an inclined surface. A water outlet hole is opened on the drainage cavity. The water outlet pipe is connected to the water outlet hole. The main body of the plate includes an upper plate and a lower plate disposed below the upper plate. The fitting is used to connect the upper plate and the lower plate. A cavity is formed between the upper plate, the lower plate and the fitting. The cavity is filled with heat-insulating material. The fitting is made of plastic.

[0006] According to some embodiments of the present invention, the inner side of the drainage cavity has a first inclined surface and a second inclined surface, the lower ends of the first inclined surface and the second inclined surface are connected, and the upper ends of the first inclined surface and the second inclined surface extend away from each other.

[0007] According to some embodiments of this utility model, the upper plate is provided with a first insertion part, the lower plate is provided with a second insertion part, and the assembly is provided with a first slot that cooperates with the first insertion part and a second slot that cooperates with the second insertion part.

[0008] According to some embodiments of the present utility model, the upper plate includes an upper plate main body, a first upper connecting part, and a second upper connecting part, wherein the first upper connecting part and the second upper connecting part are respectively disposed on the left and right sides of the upper plate main body. The lower plate includes a lower plate main body, a first lower connecting part, and a second lower connecting part, wherein the first lower connecting part and the second lower connecting part are respectively disposed on the left and right sides of the lower plate main body; The first upper connecting part is located above the first lower connecting part, and the second upper connecting part is located above the second lower connecting part. The first upper connecting part and the first lower connecting part are connected to the first assembly, and the second upper connecting part and the second lower connecting part are connected to the second assembly. The front side of the upper plate main body and the front side of the lower plate main body are connected to the third assembly, and the rear side of the upper plate main body and the rear side of the lower plate main body are connected to the fourth assembly.

[0009] According to some embodiments of this utility model, the upper plate main body and the lower plate main body each include a first segment, a second segment, and a third segment connected sequentially in the front-back direction. The second segment has a first inclined surface and a second inclined surface. The first segment and the third segment both have an upwardly extending stepped structure. The first segment and the third segment are respectively connected to corresponding fittings.

[0010] According to some embodiments of the present invention, the device further includes a support member disposed between the upper plate and the lower plate, the support member being used to support the upper plate and the lower plate.

[0011] According to some embodiments of the present invention, the support member includes a base plate and two support plates, the two support plates being respectively disposed at both ends of the same side of the base plate, and the support plates abutting against the inner side of the upper plate.

[0012] According to some embodiments of this utility model, the first inclined surface and the second inclined surface are both planar or upwardly convex arc-shaped surfaces.

[0013] According to some embodiments of this utility model, four mounting accessories are provided, and the four mounting accessories are respectively arranged around the main body of the tray.

[0014] According to some embodiments of this utility model, the lower ends of the first inclined surface and the second inclined surface are connected by a bottom surface, which is a plane.

[0015] According to some embodiments of the present invention, the device further includes a reinforcing member disposed on the disk body and located above the first inclined surface and the second inclined surface.

[0016] According to some embodiments of this utility model, the device further includes a profile connected to the drainage tray. The profile includes an upper connector, a middle connector, and a lower connector. The upper connector and the lower connector are respectively engaged with opposite sides of the middle connector. An upper extension is provided on the upper surface of the upper connector, and a lower extension is provided on the lower surface of the lower connector. The upper extension and the lower extension are directly opposite each other. One end of the tray body is connected between the upper extension and the lower extension. The profile is connected to the upper plate and the lower plate of the drainage tray by fasteners.

[0017] According to some embodiments of this utility model, a sealing strip is provided between the upper plate and the upper extension; and / or, the device further includes a base, the base being disposed under the lower extension of the profile, one end of the fastener passing sequentially through the upper extension, the upper plate, the lower plate, the lower extension, and the base and extending a certain distance beyond the base, the base being made of metal.

[0018] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art: The air conditioning unit drainage device provided by this utility model has a heat-insulated drainage tray with a small cold bridge; it can drain all the condensate dripping from the surface cooler and discharge it quickly. Attached Figure Description

[0019] Appendix Figure 1 A structural diagram from a first-view perspective of the air conditioning unit drainage device provided by this utility model; Appendix Figure 2 A structural view of the air conditioning unit drainage device provided by this utility model from a second perspective. Appendix Figure 3 A front view of the air conditioning unit drainage device provided by this utility model; Appendix Figure 4 A front view of the connection between the drain tray and the profile of the air conditioning unit drainage device provided by this utility model; Appendix Figure 5 For the appendix Figure 4 Enlarged view of the central drainage tray and its profile; Appendix Figure 6 Structural diagram of the drain tray of the air conditioner box drainage device provided by this utility model; Appendix Figure 7 For the appendix Figure 6 Enlarged view of one end of the central drainage tray; Appendix Figure 8 Top view of the air conditioning unit drainage device provided by this utility model; Appendix Figure 9 Structural diagram of the drain tray of the air conditioner box drainage device provided by this utility model; Appendix Figure 10 Structural diagram of the upper and lower plates of the drain tray of the air conditioning unit drainage device provided by this utility model; Appendix Figure 11 A structural diagram showing the connection between the first lower connecting part and the second lower connecting part of the drain pan of the air conditioner box drainage device provided by this utility model and the assembly. Appendix Figure 12 A structural diagram of the first upper connecting part of the drain tray of the air conditioner box drainage device provided by this utility model; Appendix Figure 13 A structural diagram showing the connection between the first lower connecting part of the drain pan and the assembly of the air conditioning unit drain device provided by this utility model; Appendix Figure 14 A structural diagram of the first lower connecting part of the drain pan of the air conditioning unit drainage device provided by this utility model.

[0020] In the attached diagrams above: 1-disc main body, 11-upper plate, 111-upper plate main body, 1111-first upper plate, 1112-second upper plate, 1113-third upper plate, 1114-fourth upper plate, 1115-fifth upper plate, 1116-sixth upper plate, 1117-first slope, 1118-second slope, 112-first upper connection part, 113-second upper connection part; 12-Lower plate, 121-Lower plate main body, 1211-First lower plate, 1212-Second lower plate, 1213-Third lower plate, 1214-Fourth lower plate, 1215-Fifth lower plate, 1216-Sixth lower plate, 122-First lower connecting part, 123-Second lower connecting part; 2-Assemblies; 3-Supporting components; 4-Reinforcing components; 5-Profile, 51-Upper connector, 511-Upper extension, 52-Intermediate connector, 53-Lower connector, 531-Lower extension; 6-Sealing strip; 7-Base; 8-Water outlet pipe; 9-Internal threaded interface; 10-Fastener. Detailed Implementation

[0021] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] See Figures 1 to 14 The air conditioning unit drainage device shown includes a drain pan and a drain pipe 8. The drain pan includes a main body 1 and an accessory 2. The main body 1 includes an upper plate 11 and a lower plate 12 located below the upper plate 11. The accessory 2 connects the upper plate 11 and the lower plate 12, forming a cavity between the upper plate 11, the lower plate 12, and the accessory 2. Insulation material is placed inside the cavity. Both the upper plate 11 and the lower plate 12 are made of metal, while the accessory 2 is made of plastic. The drain pan is fixed inside the air conditioning unit by connecting to a profile 5, which is made of metal. The accessory 2 is close to the profile 5, providing heat insulation and minimizing cold bridge (if the metal drain pan is connected to the metal profile 5, heat transfer is rapid, causing the cooling water temperature to rise).

[0024] A drainage cavity is formed between the upper surface of the upper plate 11 and the assembly 2. The inner side of the drainage cavity has a first inclined surface 1117 and a second inclined surface 1118. The lower ends of the first inclined surface 1117 and the second inclined surface 1118 are connected, and the upper ends of the first inclined surface 1117 and the second inclined surface 1118 extend away from each other. A water outlet hole is opened on the drainage cavity, and the water outlet pipe 8 is connected to the water outlet hole. The first inclined surface 1117 and the second inclined surface 1118 are provided to facilitate water to flow quickly into the bottom of the drainage cavity along the first inclined surface 1117 and the second inclined surface 1118 and be discharged through the water outlet pipe 8, so that the drainage is thorough.

[0025] In some embodiments, the upper plate 11 is provided with a first insertion part, the lower plate 12 is provided with a second insertion part, and the assembly 2 is provided with a first slot that mates with the first insertion part and a second slot that mates with the second insertion part.

[0026] In this example, assembly 2 includes a main body and a connecting part. The connecting part is located on one side of the main body and is U-shaped or V-shaped. A first groove is formed between one end of the main body and one end of the connecting part, and a second groove is formed between the other end of the main body and the other end of the connecting part.

[0027] In some embodiments, the upper plate 11 includes an upper plate main body 111, a first upper connecting part 112, and a second upper connecting part 113. The first upper connecting part 112 and the second upper connecting part 113 are respectively disposed on the left and right sides of the upper plate main body 111. The first upper connecting part 112 and the second upper connecting part 113 have the same structure and are symmetrically arranged. The lower plate 12 includes a lower plate main body 121, a first lower connecting part 122, and a second lower connecting part 123. The first lower connecting part 122 and the second lower connecting part 123 are respectively disposed on the left and right sides of the lower plate main body 121. The first lower connecting part 122 and the second lower connecting part 123 have the same structure and are symmetrically arranged.

[0028] The upper plate main body 111 is located above the lower plate main body 121, the first upper connecting part 112 is located above the first lower connecting part 122, and the second upper connecting part 113 is located above the second lower connecting part 123. The first upper connecting part 112 and the first lower connecting part 122 are connected to the first assembly 2, and the second upper connecting part 113 and the second lower connecting part 123 are connected to the second assembly 2. The front side of the upper plate main body 111 and the front side of the lower plate main body 121 are connected to the third assembly 2, and the rear side of the upper plate main body 111 and the rear side of the lower plate main body 121 are connected to the fourth assembly 2. The front and rear sides refer to... Figure 2 The meanings of m and n in the text.

[0029] See Figure 11-12 Both the first upper connecting part 112 and the second upper connecting part 113 include a first upper horizontal plate. Figure 12 (as indicated by a), the first upper longitudinal plate ( Figure 12 (as indicated by b in the middle), the first upper horizontal plate is connected to and perpendicular to the first upper vertical plate, and one end of the first upper horizontal plate is flipped downward to form a flange, which is the first snap-fit ​​part.

[0030] The first lower connecting part 122 and the second lower connecting part 123 include a second upper horizontal plate and a second upper vertical plate. The first upper horizontal plate is located above the second upper horizontal plate. The second upper horizontal plate is connected to and perpendicular to the second upper vertical plate. The two ends of the second upper horizontal plate are turned upward to form flanges, which are second snap-fit ​​parts. The end of the second upper vertical plate facing the lower plate main body 121 is provided with a connecting edge that connects to the lower plate main body 121. The first and second upper vertical plates are provided with through holes through which one end of the water supply pipe 8 passes.

[0031] In some embodiments, both the upper plate main body 111 and the lower plate main body 121 include a first segment, a second segment, and a third segment connected sequentially in the front-rear direction. The second segment has a first inclined surface and a second inclined surface. Both the first and third segments have an upwardly extending stepped structure. The first and third segments are respectively connected to the corresponding fittings 2. The first and third segments are provided to facilitate connection with the profile 5.

[0032] Specifically, see Figure 10The first section of the upper plate main body 111 includes a first upper plate 1111, a second upper plate 1112, and a third upper plate 1113 connected in sequence. The first upper plate 1111 is connected to the first inclined surface 1117, and the third upper plate 1113 is connected to the assembly 2. The first upper plate 1111 and the third upper plate 1113 are horizontally arranged. The second upper plate 1112 is perpendicular to both the first upper plate 1111 and the third upper plate 1113, and the third upper plate 1113 is positioned higher than the first upper plate 1111. The third section of the upper plate main body 111 has a fourth upper plate 1114, a fifth upper plate 1115, and a sixth upper plate 1116 connected in sequence. The fourth upper plate 1114 is connected to the second inclined surface 1118, and the sixth upper plate 1116 is connected to the assembly 2. The fifth upper plate 1115 is perpendicular to both the fourth upper plate 1114 and the sixth upper plate 1116. The fourth upper plate 1114 is parallel to the sixth upper plate 1116, and the sixth upper plate 1116 is positioned higher than the fourth upper plate 1114.

[0033] The first section of the lower plate main body 121 includes a first lower plate 1211, a second lower plate 1212, and a third lower plate 1213 connected in sequence. The first lower plate 1211 is connected to the first inclined surface of the lower plate main body 121, and the third lower plate 1213 is connected to the assembly 2. The first lower plate 1211 and the third lower plate 1213 are horizontally arranged, and the second lower plate 1212 is perpendicular to both the first lower plate 1211 and the third lower plate 1213. The third lower plate 1213 is positioned higher than the first lower plate 1211. The third section of the lower plate main body 121 has a fourth lower plate 1214, a fifth lower plate 1215, and a sixth lower plate 1216 connected in sequence. The fourth lower plate 1214 is connected to the second inclined surface of the lower plate main body 121, and the sixth lower plate 1216 is connected to the assembly 2. The fifth lower plate 1215 is perpendicular to both the fourth lower plate 1214 and the sixth lower plate 1216. The fourth lower plate 1214 is parallel to the sixth lower plate 1216, and the sixth lower plate 1216 is positioned higher than the fourth lower plate 1214.

[0034] The first upper plate 1111 of the upper plate main body 111 is located above the first lower plate 1211 of the lower plate main body 121. The third upper plate 1113 of the upper plate main body 111 is located above the lower upper plate of the lower plate main body 121. The width of the third upper plate 1113 of the upper plate main body 111 is greater than the width of the third lower plate 1213 of the lower plate main body 121. The fourth upper plate 1114 of the upper plate main body 111 is located above the fourth lower plate 1214 of the lower plate main body 121. The sixth upper plate 1116 of the upper plate main body 111 is located above the sixth lower plate 1216 of the lower plate main body 121. The width of the sixth upper plate 1116 of the upper plate main body 111 is greater than the width of the sixth lower plate 1216 of the lower plate main body 121.

[0035] Or see Figure 3-5The first segment of the upper plate main body 111 includes a first upper plate and a second upper plate connected in sequence. The first upper plate is vertically arranged and connected to a first inclined surface, while the second upper plate is horizontally arranged and perpendicular to the first upper plate. The third segment of the upper plate main body 111 includes a third upper plate and a fourth upper plate connected in sequence. The third upper plate is vertically arranged and connected to the first inclined surface, while the fourth upper plate is horizontally arranged and perpendicular to the third upper plate. The first segment of the lower plate main body 121 includes a first lower plate and a second lower plate connected in sequence. The first lower plate is vertically arranged and connected to the first inclined surface, while the second lower plate is horizontally arranged and perpendicular to the first lower plate. The third segment of the lower plate main body 121 includes a third lower plate and a fourth lower plate connected in sequence, with the third lower plate perpendicular to the fourth lower plate.

[0036] In a preferred embodiment, four fittings 2 are provided, and the four fittings 2 are respectively arranged around the disk body 1.

[0037] In some embodiments, both the first inclined surface 1117 and the second inclined surface 1118 are planar or upwardly convex arc-shaped surfaces. The lower ends of the first inclined surface and the second inclined surface are connected by a bottom surface, which is a planar surface.

[0038] In some embodiments, the device further includes a support member 3 disposed within the upper plate 11 and the lower plate 12. The support member 3 is used to support the upper plate 11 and the lower plate 12. The support member 3 is preferably disposed between the first segment of the upper plate main body 111 and the first segment of the lower plate main body 121, and between the third segment of the upper plate main body 111 and the third segment of the lower plate main body 121.

[0039] Specifically, the support member 3 includes a base plate and two support plates, which are respectively disposed at opposite ends on the same side of the base plate, and the support plates abut against the inner side of the upper plate.

[0040] In some embodiments, the device further includes a reinforcing member 4, which is disposed on the body 1 of the tray and located above the first inclined surface 1117 and the second inclined surface 1118. The reinforcing member 4 is connected to the first and third sections of the upper plate to enhance the strength of the drainage tray.

[0041] In this example, the profile 5 is connected to the drainage tray. There are two profiles 5. The profile 5 includes an upper connector 51, a middle connector 52, and a lower connector 53. The upper connector 51 and the lower connector 53 are respectively engaged with the opposite sides of the middle connector 52. The upper connector 51 has an upper extension 511 on its upper surface, and the lower connector 53 has a lower extension 531 on its lower surface. The upper extension 511 and the lower extension 531 are directly opposite each other and are arranged in parallel. One end of the tray body 1 is connected between the upper extension 511 and the lower extension 531. The profile 5 is connected to the upper plate and the lower plate of the drainage tray by fasteners 10.

[0042] Preferably, the device further includes a base 7, which is disposed on the side of the lower extension 531 of the profile 5 away from the upper extension 511. One end of the fastener 10 passes through the upper extension 511, the upper plate 11, the lower plate 12, the lower extension 531, and the base 7 in sequence and extends out of the base 7 by a certain distance. The base 7 is made of metal. The base 7 is provided to enhance the connection strength between the drain pan and the profile 5.

[0043] In a preferred embodiment, a sealing strip 6 is provided between the upper plate 11 and the upper extension 511 to improve sealing. A sealant is applied between the upper extension 511, the sealing strip 6, and the upper plate 11. Figure 5 (as indicated by e in the middle), further improving the overall sealing performance.

[0044] In this example, the insulation material includes foam material or insulation cotton, and the foam material is polyurethane.

[0045] In this example, one end of the water outlet pipe 8 is provided with an internal thread interface 9, and the other end of the water outlet pipe 8 extends out of the drain cavity.

[0046] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. An air conditioning unit drain apparatus, comprising: The device includes a drain pan and a water outlet pipe. The drain pan includes a pan body and an assembly. The pan body has a downwardly recessed drain cavity. The inner side of the drain cavity has an inclined surface. A water outlet hole is opened on the drain cavity. The water outlet pipe is connected to the water outlet hole. The main body of the plate includes an upper plate and a lower plate disposed below the upper plate. The fitting is used to connect the upper plate and the lower plate. A cavity is formed between the upper plate, the lower plate and the fitting. The cavity is filled with heat-insulating material. The fitting is made of plastic.

2. The air conditioning unit drain according to claim 1, wherein, The inner side of the drainage cavity has a first inclined surface and a second inclined surface, the lower ends of the first inclined surface and the second inclined surface are connected, and the upper ends of the first inclined surface and the second inclined surface extend away from each other.

3. The air conditioning unit drain according to claim 1 or 2, wherein, The upper plate is provided with a first insertion part, the lower plate is provided with a second insertion part, and the assembly is provided with a first slot that mates with the first insertion part and a second slot that mates with the second insertion part.

4. The air conditioning unit drainage device according to claim 2, characterized in that, The upper plate includes an upper plate main body, a first upper connecting part, and a second upper connecting part, wherein the first upper connecting part and the second upper connecting part are respectively disposed on the left and right sides of the upper plate main body; The lower plate includes a lower plate main body, a first lower connecting part, and a second lower connecting part, wherein the first lower connecting part and the second lower connecting part are respectively disposed on the left and right sides of the lower plate main body; The first upper connecting part is located above the first lower connecting part, and the second upper connecting part is located above the second lower connecting part. The first upper connecting part and the first lower connecting part are connected to the first assembly, and the second upper connecting part and the second lower connecting part are connected to the second assembly. The front side of the upper plate main body and the front side of the lower plate main body are connected to the third assembly, and the rear side of the upper plate main body and the rear side of the lower plate main body are connected to the fourth assembly.

5. The air conditioning unit drainage device according to claim 4, characterized in that, Both the upper plate main body and the lower plate main body include a first segment, a second segment, and a third segment connected sequentially along the front-to-back direction. The second segment has a first inclined surface and a second inclined surface. Both the first segment and the third segment have an upwardly extending stepped structure, and the first segment and the third segment are respectively connected to the corresponding assembly parts.

6. The air conditioning unit drainage device according to claim 1, characterized in that, The device further includes a support member disposed between the upper plate and the lower plate, the support member being used to support the upper plate and the lower plate.

7. The air conditioning unit drainage device according to claim 2, characterized in that, The first and second inclined surfaces are both planar or upwardly convex arc surfaces; and / or, four of the four fittings are provided, and the four fittings are respectively arranged around the perimeter of the disk body.

8. The air conditioning unit drainage device according to claim 2, characterized in that, The device also includes a reinforcing member, which is disposed on the disk body and located above the first inclined surface and the second inclined surface.

9. The air conditioning unit drainage device according to claim 1, characterized in that, The device further includes a profile connected to the drainage tray. The profile includes an upper connector, a middle connector, and a lower connector. The upper connector and the lower connector are respectively engaged with opposite sides of the middle connector. An upper extension is provided on the upper surface of the upper connector, and a lower extension is provided on the lower surface of the lower connector. The upper extension and the lower extension are directly opposite each other. One end of the tray body is connected between the upper extension and the lower extension. The profile is connected to the upper and lower plates of the drainage tray by fasteners.

10. The air conditioning unit drainage device according to claim 9, characterized in that, A sealing strip is provided between the upper plate and the upper extension; and / or, the device further includes a base, the base being disposed under the lower extension of the profile, one end of the fastener passing sequentially through the upper extension, the upper plate, the lower plate, the lower extension, and the base and extending a certain distance beyond the base, the base being made of metal.

Images