Water collecting and draining device for fan coil

By designing a combined structure of water guiding module and water collection module, the problem of condensate accumulation in fan coil units was solved, achieving efficient condensate flow and discharge, and improving installation accuracy and efficiency.

CN223869444UActive Publication Date: 2026-02-03GUANGDONG PHNIX ENERGY TECH CO LTD
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Patent Information

Application Number
CN202520348812.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-02-03
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

Even after improving heat transfer efficiency, existing fan coil unit water collection devices struggle to effectively improve installation accuracy and condensate flow rate, leading to condensate buildup.

Method used

A water collection and drainage device including a water guiding module and a water collecting module was designed. By utilizing the combined structure of a water guiding channel, a water collecting channel, a limiting unit and a drain outlet, the flow rate of condensate is increased, and the condensate is discharged in a concentrated manner by a water pump.

Benefits of technology

It improves installation accuracy and efficiency, prevents condensate buildup, and enhances the flow rate and drainage efficiency of condensate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a water collecting and draining device for a fan coil, which comprises a water collecting module, the water collecting module comprises a first disc body, the first disc body comprises a water guide bottom plate and a circle of water guide enclosure surrounding the edge of the water guide bottom plate; the water catchment groove is formed in the water guide bottom plate; the water guiding groove is formed in the water guiding bottom plate, and the water guiding groove is communicated with the water collecting groove; the limiting unit is arranged on the water guide bottom plate in the water removal and catchment tank; and the first water outlet is communicated with the water collecting tank. The installation precision and the installation efficiency of the water guide and drainage device can be improved, meanwhile, the flow speed of condensate water is increased, and accumulation of the condensate water is prevented.
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Description

Technical Field

[0001] This utility model relates to the field of fan coil unit technology, and in particular to a water collection and drainage device for fan coil units. Background Technology

[0002] Fan coil units (FCUs) are an important component of terminal equipment in air conditioning systems. They achieve heat exchange through internal coils. During dehumidification or heating, condensation occurs due to the direct contact and temperature difference between the fan coil unit's surface and water vapor in the air. To ensure the normal operation of the equipment, a drip tray below the coil collects the condensate droplets and guides them out of the system.

[0003] In existing technologies, to improve the heat transfer efficiency of fan coil units, inclined fins are used compared to straight fins on the coil, which can significantly improve the heat transfer rate of laminar and turbulent flow. Therefore, when fan coil units with the above structure are operating, higher requirements are placed on the design of the condensate tray below them. Utility Model Content

[0004] Based on this, the purpose of this utility model is to overcome the defects or deficiencies of the prior art and provide a water collection and drainage device for fan coil units.

[0005] A water collection and drainage device for fan coil units includes a water collection module, the water collection module comprising:

[0006] The first plate includes a water-guiding bottom plate and a water-guiding enclosure formed around the edge of the water-guiding bottom plate;

[0007] and a water collection channel, wherein the water collection channel is formed on the water guide base plate;

[0008] And a water guide channel, wherein the water guide channel is formed on the water guide base plate and the water guide channel is connected to the water collection channel;

[0009] And a limiting unit, which is installed on the water guide bottom plate inside the water collection tank;

[0010] and a first drain outlet, which is connected to the water collection trough.

[0011] Compared with the prior art, the water collection and drainage device for fan coil units described in this utility model can improve the installation accuracy and efficiency of the water guiding and drainage device, while increasing the flow rate of condensate and preventing the accumulation of condensate.

[0012] In one embodiment, the limiting unit may be a limiting plate or a plurality of limiting blocks.

[0013] In one embodiment, the limiting plate or limiting block is parallel to the axis of the water collection channel.

[0014] In one embodiment, the water guide plate has a certain slope at the connection with the water collection channel; the water collection channel is opened on the central axis of the water guide plate.

[0015] In one embodiment, the water guiding base plate has a certain slope at the connection with the water guiding channel; there are several water guiding channels, which are symmetrically distributed at equal intervals along the water collection channel.

[0016] In one embodiment, the water guiding plate includes a first base plate, a second base plate, and a third base plate, all of which are rectangular plates; the water collecting trough is disposed on the central axis of the first base plate, and the second and third base plates are respectively disposed on the two long sides of the first base plate, with the second and third base plates inclined at a certain angle toward the water collecting trough; and a plurality of water guiding troughs are provided on both the second and third base plates.

[0017] In one embodiment, the limiting unit is a limiting plate disposed at the connection between the first base plate and the second base plate, and its tilt angle is consistent with the tilt angle of the fins on the coil.

[0018] In one embodiment, the water collection and drainage device further includes a water collection module that is connected in communication with the water guiding module, the water collection module comprising:

[0019] The system includes a second basin, a water collection base plate, and a water collection enclosure forming a ring around the edge of the water collection base plate. The water collection base plate is positioned lower than the water guiding base plate.

[0020] and a water inlet is provided on the second plate, the water inlet is provided on the water collection enclosure, and the water inlet is connected to the first drain outlet in the water guiding module;

[0021] and a drainage unit disposed on the second plate, the drainage unit being used to drain the collected condensate.

[0022] In one embodiment, the drainage unit includes a water pump located at the lowest point of the water collection base plate.

[0023] In one embodiment, the drainage unit includes a second drain outlet, which is located at the lowest point of the water collection base plate.

[0024] To better understand and implement this invention, the following detailed description is provided in conjunction with the accompanying drawings. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the water guiding and drainage device of this utility model;

[0026] Figure 2 This is a top view of the water guiding module of this utility model.

[0027] Figure 3 This is a cross-sectional structural schematic diagram of the water guiding module of this utility model;

[0028] Figure 4 This is a schematic diagram showing the cooperation between the limiting unit and the inclined fin of this utility model;

[0029] Figure 5 This is a top view of the water collection module of this utility model. Detailed Implementation

[0030] The present invention will now be described in detail with reference to the accompanying drawings.

[0031] The present invention will now be described in detail with reference to the accompanying drawings.

[0032] like Figures 1 to 2 As shown, the present invention provides a water guiding and drainage device for a fan coil unit, comprising a water guiding module 100 and a water collecting module 200. After the condensate flows down from the coil, it is collected by the water guiding module 100 into the water collecting module 200, and then discharged through the water collecting module 200.

[0033] The water guiding module 100 includes a first disc 110, and a water collecting trough 120, a water guiding trough 130, a limiting unit 140, and a first drain outlet (not shown) disposed on the first disc 110. The water guiding trough 130 communicates with the water collecting trough 120, and the water collecting trough 120 communicates with the first drain outlet. The water guiding trough 130 is used to collect condensate flowing into the water guiding and drainage device into the water collecting trough 120, and then flow into the water collection module 200 through the first drain outlet. The limiting unit 140 is disposed on the first disc 110. Except within the water collecting trough 120, this application does not limit the position of the limiting unit 140 on the first disc 110. It is used to provide a limiting function for the fins to improve the installation accuracy and efficiency of the water guiding and drainage device.

[0034] The first plate 110 includes a water-guiding base plate 111 and a water-guiding enclosure 112 forming a ring around the edge of the water-guiding base plate 111. Specifically, the shape of the first plate 110 is determined by the actual coiling equipment used, and its area must be consistent with the area where condensate water is left in the coil.

[0035] In some embodiments, the water-guiding base plate 111 consists of three plates, specifically including a first base plate 111A, a second base plate 111B, and a third base plate 111C. The first base plate 111A, the second base plate 111B, and the third base plate 111C are all square plates with two long sides and two short sides. The second base plate 111B and the third base plate 111C are respectively disposed on the two long sides of the first base plate 111A, and the second base plate 111B and the third base plate 111C are inclined towards the side in which the water is used. The water collecting trough 120 is disposed on the central axis of the first base plate 111A, and the water collecting trough 120 is disposed on the central axis of the first base plate 111A. One end of the water tank 120 is connected to the short side of the first base plate 111A; the water guide troughs 130 are respectively disposed on the end face of the second base plate 111B facing the third base plate 111C and on the end face of the third base plate 111C facing the second base plate 111B; the limiting unit 140 is a limiting plate, which is disposed at the connection between the first base plate 111A and the second base plate 111B, and its inclination angle is consistent with the inclination angle of the fins 400 on the coil; the first drain outlet is disposed on the water guide enclosure 112 and is connected to the end of the water collection trough 120 that is connected to the short side of the first base plate 111A.

[0036] The water collection channel 120 is formed on the water guiding base plate 111, and the water guiding base plate 111 has a certain slope at the connection with the water collection channel 120 to facilitate the flow of condensate into the water collection channel 120. Furthermore, the water collection channel 120 is formed on the central axis of the water guiding base plate 111. Furthermore, the water collection channel 120 can be a straight channel or a curved channel; this application does not impose any limitation. In this embodiment, the water collection channel 120 is a straight channel.

[0037] The water guide channel 130 is formed on the water guide base plate 111 and is connected to the water collection channel 120.

[0038] In some embodiments, there are multiple water guide channels 130, which are distributed along both sides of the water collection channel 120; further, the multiple water guide channels 130 are symmetrically or alternately distributed along the water collection channel 120; further, the water guide channels 130 are distributed at equal intervals.

[0039] Furthermore, the water guide plate 111 has a certain slope at the connection with the water guide channel 130 so that the condensate can more easily flow into the water guide channel 130.

[0040] The water guide channel 130 can be a straight channel or a curved channel, and this application does not impose any restrictions. In this embodiment, the water guide channel 130 is a straight channel.

[0041] The limiting unit 140 is disposed on the water guide base plate 111.

[0042] Specifically, the limiting unit 140 may be a limiting plate or several limiting blocks. Further, the limiting plate or limiting blocks are parallel to the axis of the water collection tank 120.

[0043] like Figure 3 The diagram shown is a schematic diagram of the cooperation between the limiting unit 140 and the inclined fin 400.

[0044] The first drain outlet (not shown in the figure) is located on the first plate 110 and is connected to the water collection trough.

[0045] Specifically, the first drain outlet can be set at the bottom of the water collection trough 120 in the first base plate 1111, or it can be set on the water guide barrier 112 on the first plate 110.

[0046] The water collection module 200 is connected in a through manner to the water guiding module 100. It includes a second plate 210, an inlet 220 disposed on the second plate 210, and a drainage unit 230 disposed on the second plate 210. The condensate flowing out from the first drain outlet 150 in the water guiding module 100 first enters the second plate 210 through the inlet 220, and then the collected condensate is discharged through the drainage unit 230.

[0047] The second plate 210 includes a water collection base plate 211 and a water collection enclosure (not shown) forming a circle around the edge of the water collection base plate 211; the water collection base plate 211 is located at a lower position than the water guiding base plate 111 and is used to collect condensate flowing in from the water collection tank 120.

[0048] The water inlet 220 is installed on the water collection enclosure, and the water inlet 220 is connected to the first drain outlet 150 in the water guiding module 100.

[0049] The drainage unit 230 is used to drain the collected condensate;

[0050] In some embodiments, the drainage unit 230 includes a water pump (not shown) disposed at the lowest point of the water collection base plate 211;

[0051] In some embodiments, the drainage unit 230 includes a second drain outlet 231, which is disposed at the lowest point of the water collection base plate 211.

[0052] Furthermore, the water guiding and drainage device also includes an installation edge 300, which is fixedly installed on the water guiding enclosure 112 and / or the water collecting enclosure, for fixing the water guiding and drainage device on the fan coil unit assembly.

[0053] Compared with existing technologies, this invention can improve the installation accuracy and efficiency of the water guiding and drainage device, while increasing the flow rate of condensate and preventing the accumulation of condensate.

[0054] The terminology used in the embodiments of this application is for the purpose of describing particular embodiments only and is not intended to limit the embodiments of this application. The singular forms “a,” “the,” and “the” used in the embodiments and claims of this application are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that, unless otherwise stated, “a plurality” means two or more; the terms “first,” “second,” “third,” etc., are used only to distinguish and not to describe a particular order or sequence, nor should they be construed as indicating or implying relative importance. The term “and / or” as used herein refers to and includes any or all possible combinations of one or more associated listed items. When the above description relates to drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. In the description of this application, those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0055] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A water collection and drainage device for fan coil units, characterized in that: Includes a water collection module, the water collection module comprising: The first plate includes a water-guiding bottom plate and a water-guiding enclosure formed around the edge of the water-guiding bottom plate; and a water collection channel, wherein the water collection channel is formed on the water guide base plate; And a water guide channel, wherein the water guide channel is formed on the water guide base plate and the water guide channel is connected to the water collection channel; And a limiting unit, which is installed on the water guide bottom plate inside the water collection tank; and a first drain outlet, which is connected to the water collection trough.

2. The water collection and drainage device for fan coil units according to claim 1, characterized in that: The limiting unit may be a limiting plate or several limiting blocks.

3. The water collection and drainage device for fan coil units according to claim 2, characterized in that: The limiting plate or limiting block is parallel to the axis of the water collection channel.

4. The water collection and drainage device for fan coil units according to claim 3, characterized in that: The water guide plate has a certain slope at the connection with the water collection channel; the water collection channel is opened on the central axis of the water guide plate.

5. The water collection and drainage device for fan coil units according to claim 4, characterized in that: The bottom plate of the water guide plate has a certain slope at the connection with the water guide channel; there are several water guide channels, which are symmetrically distributed at equal intervals along the water collection channel.

6. The water collection and drainage device for fan coil units according to claim 5, characterized in that: The water guiding base plate includes a first base plate, a second base plate, and a third base plate, all of which are rectangular plates. The water collection channel is located on the central axis of the first base plate, and the second and third base plates are respectively located on the two long sides of the first base plate. The second and third base plates are inclined at a certain angle toward the water collection channel. Several water guiding channels are provided on both the second and third base plates.

7. The water collection and drainage device for fan coil units according to claim 6, characterized in that: The limiting unit is a limiting plate, which is set at the connection between the first base plate and the second base plate, and its tilt angle is consistent with the tilt angle of the fins on the coil.

8. The water collection and drainage device for fan coil units according to claim 7, characterized in that: The water collection and drainage device also includes a water collection module that is connected in communication with the water guiding module, the water collection module comprising: The system includes a second basin, a water collection base plate, and a water collection enclosure forming a ring around the edge of the water collection base plate. The water collection base plate is positioned lower than the water guiding base plate. and a water inlet is provided on the second plate, the water inlet is provided on the water collection enclosure, and the water inlet is connected to the first drain outlet in the water guiding module; and a drainage unit disposed on the second plate, the drainage unit being used to drain the collected condensate.

9. The water collection and drainage device for fan coil units according to claim 8, characterized in that: The drainage unit includes a water pump, which is located at the lowest point of the water collection base plate.

10. The water collection and drainage device for fan coil units according to claim 8 or 9, characterized in that: The drainage unit includes a second drain outlet, which is located at the lowest point of the water collection base plate.