Water pan base assembly of air handling unit

By integrating the water tray and base of the air handling unit into a single assembly, and using PVC connectors and foam filling to form an insulated cavity, the problems of insufficient sealing and strength are solved, resulting in better sealing and durability.

CN224018528UActive Publication Date: 2026-03-20SHANDONG GRAD GROUP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-15
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The condensate pans of existing air handling units have poor sealing performance, posing a risk of leakage, and their overall strength is insufficient, affecting the installation area and environment.

Method used

The water tray and base are integrated into a single unit, with PVC connectors forming an insulated cavity. The water tray and base frame are filled with expanded foam material to form a whole, increasing strength and preventing gaps.

Benefits of technology

The improved sealing and overall strength of the water pan prevent condensate from overflowing, enhancing the unit's durability and ease of maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a water tray base assembly of an air handling unit, which is characterized in that a sealing plate is arranged in a base frame, a water tray is arranged above a base, and an inserting section is arranged at the upper part of the water tray; a connecting piece is arranged on the periphery of the water disc, a heat preservation and insulation bin is arranged on the connecting piece, and an inserting groove and a water disc cushion block are arranged below the heat preservation and insulation bin. The plug-in groove is used for being matched with the plug-in section in a plug-in manner; a heat insulation layer is filled between the water disc and the sealing plate. The base frame and the sealing plate serve as an outer side enclosure structure, the water pond serves as an inner side enclosure structure, an interlayer is formed through the connecting pieces and filled with the polyurethane foaming material heat preservation material, the heat preservation effect of the water pond is achieved, and the water pond and the base frame are filled into an integral assembly through expansion of the foaming material. The existence of each corner gap is avoided; the supporting piece is pressed on the turnup of the water disc, fixing holes are formed in the two ends to be fixed with the connecting piece, and components such as a heat exchanger and a fan of the unit can be fixed on the supporting piece, prevented from being soaked in water and more durable.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to air handling unit accessory technical field, especially to a kind of air handling unit water pan base assembly. BACKGROUND

[0002] It is known that air handling unit will produce condensate water in cooling state, so condensate water tray is needed to be set in the unit to receive condensate water, and the tray is usually located at the bottom of the unit.

[0003] In the prior art, the outer wall of the condensate water tray needs to be insulated, for example, by sticking insulation cotton, so as to keep warm and avoid condensate water from being produced on the outer wall of the tray. Such a unit is usually installed indoors, and the condensate water will cause the installation area to be flooded, affecting the use and the surrounding environment. Furthermore, the base and the tray of the existing unit are two components, which are separately manufactured and then assembled together. The overall strength of such a structure is weak, and gaps are inevitably formed during assembly, which may cause water leakage. If glue is used for sealing, it is not conducive to the later maintenance and repair of the unit.

[0004] Therefore, as a person skilled in the art, it is urgent to design an air handling unit water pan base assembly, which aims to improve the sealing performance of the tray and increase the overall strength of the tray while avoiding condensate water overflow. SUMMARY

[0005] To overcome the shortcomings of the prior art, the utility model provides an air handling unit water pan base assembly, which integrates the tray and the base into one combined component. The base frame and the sealing plate serve as the outer enclosure structure, and the tray serves as the inner enclosure structure. A heat insulation cavity is formed by the PVC connecting piece, which not only keeps the tray warm but also makes the tray and the base frame into one whole component by filling with foaming material, so as to avoid gaps in corners and improve the strength.

[0006] The utility model adopts the following technical scheme to solve the technical problems:

[0007] An air handling unit water pan base assembly includes a base frame, and a sealing plate is arranged in the base frame. A tray is arranged above the base frame, and the upper part of the tray is provided with a plug-in section. Connecting pieces are arranged around the tray, and a heat insulation and heat preservation bin is arranged on the connecting pieces. A plug-in slot and a tray cushion are arranged below the heat insulation and heat preservation bin. The plug-in slot is used for plug-in matching with the plug-in section. A heat insulation layer is filled between the tray and the sealing plate.

[0008] The base frame is composed of a hoisting beam and a connecting beam. The hoisting beam is provided with a hoisting hole and a support edge I. The connecting beam is provided with a connecting beam end plate and a support edge II. The support edge I and the support edge II jointly support the sealing plate.

[0009] The water tray is provided with a drain pipe, and the lifting beam or the connecting beam is provided with a through hole for assembling the drain pipe.

[0010] The heat insulation compartment of the connecting piece comprises a middle heat insulation compartment and side heat insulation compartments, the side heat insulation compartments are arranged on the left and right sides of the middle heat insulation compartment, water tray cushion blocks are connected below the heat insulation compartments, and horizontal insertion grooves are arranged between the water tray cushion blocks and the heat insulation compartments.

[0011] The middle heat insulation compartment is internally provided with a metal plate for internal support.

[0012] The connecting piece is made of PVC, plastic or glass fiber reinforced plastic.

[0013] The air handling unit water tray base assembly has the following beneficial effects: the base frame and the sealing plate are used as outer side enclosure structures, the water tray is used as an inner side enclosure structure, a sandwich layer is formed through the connecting piece, the sandwich layer is filled with polyurethane foaming material, the water tray has the heat preservation effect, the water tray and the base frame are filled as a whole through the foaming material, the strength is improved, the support piece is pressed on the water tray flange, the two ends are provided with fixed holes and are fixed with the connecting piece, the heat exchanger and the fan of the unit are fixed on the support piece, the unit is not soaked by water, and the unit is more durable. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a front view structure schematic view of the utility model;

[0016] Figure 3 It is Figure 2 It is a structure enlarged schematic view of the middle A area;

[0017] Figure 4 It is a base frame structure schematic view;

[0018] Figure 5 It is a lifting beam structure schematic view;

[0019] Figure 6 It is a connecting beam structure schematic view;

[0020] Figure 7It is a schematic view of water tray structure;

[0021] Figure 8 It is a schematic view of connecting piece structure;

[0022] Figure 9 It is a schematic view of supporting piece structure;

[0023] In the drawing, 1 is base frame, 11 is hoisting beam, 111 is hoisting right angle plate, 112 is supporting edge I, 113 is hoisting hole, 12 is connecting beam, 121 is connecting beam right angle plate, 122 is supporting edge II, 123 is connecting beam end plate, 124 is through hole, 13 is sealing plate; 2 is connecting piece, 21 is side edge heat insulation bin, 22 is middle heat insulation bin, 23 is supporting plate, 24 is plug-in slot, 25 is water tray cushion block; 3 is water tray, 31 is vertical edge, 32 is horizontal folding edge, 33 is water tray bottom surface, 34 is drain pipe; 4 is supporting piece, 41 is connecting end; 5 is air handling unit, 6 is heat insulation layer. DETAILED DESCRIPTION

[0024] The present application will be described in detail below through specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosed content of the specification; however, it should be noted that the following specific embodiments do not technically limit the technical solutions, and those skilled in the art can further extend the technology under the guidance of the following technical solutions. The protection scope of the present patent application is subject to the claims.

[0025] Embodiment 1: As shown in the drawing: the present embodiment provides an air handling unit water tray base assembly, which comprises a base frame 1, the base frame 1 is provided in a square structure, and a sealing plate 13 is arranged in the base frame 1. As shown in the drawing, the base frame 1 is composed of a hoisting beam 11 and a connecting beam 12, the hoisting beam 11 adopts a hoisting right angle plate 111, a supporting edge I 112 is arranged at the bottom of the hoisting right angle plate 111, and hoisting holes 113 are arranged at both ends of the hoisting right angle plate 111; the connecting beam 12 comprises a connecting beam right angle plate 121, a supporting edge II 122 is arranged at the bottom of the connecting beam right angle plate 121, connecting beam end plates 123 are arranged at the front and rear ends of the connecting beam 12, and the hoisting beam 11 and the connecting beam 12 are assembled and connected through the connecting beam end plates 123. The supporting edge I 112 and the supporting edge II 122 jointly realize horizontal support of the sealing plate 13. Figures 3 to 6

[0026] ​A square water tray 3 is mounted on top of the base frame 1. The water tray 3 has vertical edges 31 around its perimeter. A horizontal folded edge 32 is provided at the top of the vertical edges 31 for use as a connector. The bottom of the vertical edges 31 is the bottom surface 33 of the water tray. A drain pipe 34 is also provided on the vertical edges 31. The connecting beam 12 has through holes 124 for the insertion and assembly of the drain pipe 34.

[0027] A ring of connectors 2 is provided around the water tray 3, and the connectors 2 are located above the base frame 1. Figure 3 , 8 As shown, the connector 2 is provided with a heat insulation chamber, which includes a central heat insulation chamber 22 and side heat insulation chambers 21. There are two side heat insulation chambers 21, located on the left and right sides of the central heat insulation chamber 11. A water tray pad 25 is connected below the heat insulation chamber, and a horizontal insertion groove 24 is formed between the water tray pad 25 and the heat insulation chamber. When assembling the water tray 3 and the connector 2, the horizontal folded edge 32 at the top of the vertical edge 31 is inserted into the insertion groove 24, forming a single unit with the water tray 3. Furthermore, a support plate 23 is provided inside the central heat insulation chamber 22, which strengthens the connector 2. Because the connector 2 is located on the water tray 3, it is made of PVC, plastic, or fiberglass to prevent liquid corrosion. In this embodiment, PVC is preferred.

[0028] After the above structure is assembled, the space between the water tray 3 and the sealing plate 13 is filled with a heat insulation layer 6. The advantages of the above structure after adopting the connector 2 are as follows: 1. The PVC connector 2 can effectively insulate against heat transfer; 2. The heat insulation chamber can reduce the amount of material used, and the combination of the intermediate heat insulation chamber 22 and its internal support plate 23 can ensure vertical support strength; the connector 2 can serve as a spacer between the water tray 3 and the base frame 1, and the interlayer between them is filled with heat insulation material; 3. The insertion slot 24 of the PVC connector 2 is inserted into the horizontal folded edge 32, ensuring a stable vertical installation structure; 4. The support plate 23 inside the intermediate heat insulation chamber 22 of the PVC connector 2 is made of stainless steel, which can prevent slippage when the air handling unit 5 and the support plate 23 on the water tray 3 are fixed to the connector 2.

[0029] Furthermore, such as Figure 1 As shown, in order to improve the overall strength of the connector 2, a support 4 is provided inside the frame composed of the connector 2. The support 4 has connecting ends 41 at both ends, and the overall reinforcement of the quadrilateral connector 2 is achieved through the connecting ends 41.

[0030] In summary, the utility model discloses the base frame 1 and the sealing plate 13 as the outer side enclosure structure, the water tray 3 as the inside enclosure structure, form a sandwich through the connecting piece, and the sandwich inside fills the polyurethane foaming material heat preservation material as the heat insulation layer 6, has played the heat preservation effect of water tray, makes the water tray and the base frame through the foaming material inflation filling and is an integral whole spare, avoids each corner gap existence, improves the strength simultaneously, the support 4 is pressed on the horizontal turn -over edge 32 of water tray, and the both ends are provided with the lifting hole 113 and are fixed with the connecting piece, and the heat exchanger and fan of air handling unit and other components can be fixed on the support, avoid being soaked by water, more durable.

Claims

1. A water pan base assembly for an air handling unit, characterized in that: The device includes a base frame, within which a sealing plate is installed; a water tray is installed above the base frame, and an insertion section is installed on the upper part of the water tray; connectors are installed around the water tray, and thermal insulation chambers are installed on the connectors, with insertion grooves and water tray pads installed below the thermal insulation chambers; the insertion grooves are used for insertion and matching with the insertion section; and a thermal insulation layer is filled between the water tray and the sealing plate.

2. The air handling unit water pan base assembly as described in claim 1, characterized in that: The base frame consists of a lifting beam and a connecting beam. The lifting beam is provided with a lifting hole and a support edge I. The connecting beam is provided with a connecting beam end plate and a support edge II. The support edge I and the support edge II together provide support for the sealing plate.

3. The air handling unit water pan base assembly as described in claim 2, characterized in that: The water tray is equipped with a drain pipe, and the hoisting beam or connecting beam is provided with through holes for assembling the drain pipe.

4. The air handling unit water pan base assembly as described in claim 1, characterized in that: The heat insulation chamber of the connector includes a middle heat insulation chamber and side heat insulation chambers. There are two side heat insulation chambers, which are arranged on the left and right sides of the middle heat insulation chamber. A water tray pad is connected below the heat insulation chamber, and there is a horizontal insertion groove between the water tray pad and the heat insulation chamber.

5. The air handling unit water pan base assembly as described in claim 4, characterized in that: The intermediate heat insulation chamber is equipped with metal plates for internal support.

6. The air handling unit water pan base assembly as described in claim 1, characterized in that: The connectors are made of PVC, plastic, or fiberglass.

7. The air handling unit water pan base assembly as described in claim 1, characterized in that: The frame composed of the connecting parts has a support member inside, and the support member has a connecting end at both ends.