CN219510992U - Drainage structure for air treatment unit - Google Patents

Abstract

The utility model discloses a drainage structure for an air treatment unit, and aims to solve the defect that bacteria are easy to breed when a condensation bin of the existing air treatment unit drains water in a gravity mode or even after accumulating water level to reach a drainage line. The utility model comprises a condensation bin for collecting condensation water and a drain pipe connected to the bottom of the condensation bin, wherein the drain pipe is connected with a plurality of siphon structures at the plane position of the bottom of the condensation bin, each siphon structure comprises a lower groove and a fairing covered on the lower groove, an annular gap is arranged between the fairing and the notch of the lower groove, a water inlet cavity is arranged between the lower groove and the fairing, and the bottom of the lower groove is communicated with the drain pipe. The utility model can better discharge condensed water in the condensed water bin through the siphon structure, and avoid the condensed water from being retained in the condensed water bin, thereby improving the sanitation level of the air treatment unit.

Description

Drainage structure for air treatment unit

Technical Field

The utility model relates to the technical field of refrigeration air conditioners, in particular to a drainage structure for an air treatment unit.

Background

The large-scale air treatment unit, especially when handling a large amount of new trend in summer, can produce a large amount of air condensate, need pass through the drain pipe, discharge the comdenstion water.

Condensed water in a condensed water bin in the existing air treatment unit is easy to retain, so that bacteria are bred in the air treatment unit, and the bacteria enter a space communicated with the air treatment unit through gas circulation.

The existing drainage mode using gravity requires that the drain pipe is connected to the lowest position, and the installation posture of the air treatment unit is required. Based on the current situation, the utility model aims to realize a drainage structure for an air treatment unit, and condensed water in the air treatment unit can be more thoroughly discharged by utilizing a siphon structure, so that the sanitary condition of the air treatment unit is facilitated.

Disclosure of Invention

The utility model overcomes the defect that bacteria are easy to breed when the condensate bin of the existing air treatment unit drains water in a gravity way or even after the accumulated water level reaches a drain line, and provides the drain structure for the air treatment unit, which can drain condensate in the air treatment unit more thoroughly by utilizing a siphon structure, thereby being beneficial to the sanitary condition of the air treatment unit.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a drainage structure for air handling unit, is including the condensation storehouse that is used for collecting the condensate and connect the drain pipe in the condensation storehouse bottom, and the drain pipe is connected with a plurality of siphon structures in condensation storehouse bottom plane position, and siphon structure includes the lower pocket and the radome that the lid was adorned on the lower pocket, is equipped with annular gap between the notch of radome and lower pocket, is equipped with the intake chamber between lower pocket and the radome, the bottom intercommunication drain pipe of lower pocket.

The utility model utilizes the lower groove and the fairing to form a siphon structure, utilizes the annular gap to feed water, reduces the opening size of the head end of the water outlet, can perform high-speed liquid discharge only at the extremely low liquid level of the condensate bin, generates negative pressure in the water discharge process, and sucks the liquid by utilizing the siphon effect. The plurality of siphon structures are arranged to adapt to different postures of the air treatment unit, so that the installation requirement of the air treatment unit is reduced. According to the utility model, the water condensation bin of the air treatment unit can drain water more thoroughly, so that bacterial breeding is reduced.

Preferably, there is also included a one-way structure disposed at the end of the drain pipe, the one-way valve being configured to allow the condensate in the drain pipe to flow outwardly in one direction. The one-way structure allows drainage without allowing foreign objects to invade the drain.

Preferably, the drain pipe comprises a first section and a second section, the second section being a water storage section, the first section having a smaller diameter than the second section. Because of adopting the siphon structure, the drain pipe does not have air invasion when siphon drainage, only needs thinner drain pipe to realize the drainage function, and the second section can be used as the retaining section, realizes the water seal function.

Preferably, the unidirectional structure is disposed at the bottom of the water storage section. When the water accumulated in the water storage section is increased, the height is increased, the pressure at the bottom is greater than the opening limit of the unidirectional structure, and the unidirectional structure can open drainage until the water level reaches below the safety line.

Preferably, the unidirectional structure comprises a water blocking plate and an elastic piece, wherein the water blocking plate is positioned outside the drain pipe, and the elastic piece props the water blocking plate against the tail end of the water storage section. The unidirectional structure provides a function of counteracting and balancing the water pressure by the elastic member.

Preferably, the water blocking plate is conical, and when the water blocking plate is pressed against the water storage section, the tip end of the water blocking plate extends into the water storage section. When the acting force provided by the water pressure exceeds the elastic force, the water shutoff plate moves downwards to expose the annular water outlet, so that water is discharged.

Preferably, the head end of the drain pipe is higher than the tail end, the first section is in a horizontal state, and the water storage section is a vertically arranged pipe body.

Compared with the prior art, the utility model has the beneficial effects that: the utility model can better discharge condensed water in the condensed water bin through the siphon structure, and avoid the condensed water from being retained in the condensed water bin, thereby improving the sanitation level of the air treatment unit.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic illustration of the present utility model in the drainage;

in the figure:

the device comprises a condensate sump 1, a drain pipe 2, a lower groove 3, a fairing 4, an annular gap 5, a water inlet cavity 6, a support column 7, a split grid 8, a first section 9, a water storage section 10, a water shutoff plate 11 and an elastic piece 12.

Detailed Description

The disclosure is further described below with reference to the drawings and examples.

In the present disclosure, terms such as "fixedly coupled," "connected," and the like are to be construed broadly and refer to either a fixed connection or an integral or removable connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the disclosure may be determined according to circumstances, and should not be interpreted as limiting the disclosure, for relevant scientific research or a person skilled in the art.

Examples:

the utility model provides a drainage structure for air handling unit, as shown in fig. 1, 2, including the congeal water storehouse 1 that is used for collecting the condensate and connect the drain pipe 2 in congeal water storehouse 1 bottom, drain pipe 2 is connected with a plurality of siphon structures in congeal water storehouse 1 bottom plane position. The siphon structure comprises a lower groove 3 and a fairing 4 covered on the lower groove 3, an annular gap 5 is arranged between the fairing 4 and the notch of the lower groove 3, a water inlet cavity 6 is arranged between the lower groove 3 and the fairing 4, and the bottom of the lower groove 3 is communicated with the drain pipe 2.

In the embodiment, the lower groove 3 and the fairing 4 form a siphon structure, and water is fed through the annular gap 5, so that the opening size of the head end of the water outlet is reduced. The air can be limited to enter only at the extremely low liquid level of the condensate bin 1, so that vortex is eliminated, high-speed liquid discharge is performed, negative pressure is generated in the water discharge process, and liquid is sucked by utilizing a siphon effect. The plurality of siphon structures are arranged to adapt to different postures of the air treatment unit, so that at least one siphon structure is guaranteed to be near the lowest position, the installation requirement of the air treatment unit is reduced, and the effect of reducing the retention of condensed water is achieved. According to the utility model, the condensate bin 1 of the air treatment unit can drain water more thoroughly, so that bacterial breeding is reduced.

A plurality of support columns 7 are arranged between the fairing 4 and the lower groove 3. In some embodiments, the side wall of the fairing 4 is fixedly connected with a plurality of diversion gratings 8 along the radial direction, and the diversion gratings 8 are arranged to divert water flow and reduce turbulence, similar to the existing siphon structure.

The drain pipe 2 comprises a first section 9 and a second section, or an arc section for connecting the first section 9 and the second section or the first section 9 and the siphon structure, the second section is a water storage section 10, and the diameter of the first section 9 is smaller than that of the second section. Because of the siphon structure, the drain pipe 2 does not have air invasion during siphon drainage, the drain function can be realized only by the thinner drain pipe 2, and the second section can be used as the water storage section 10 to realize the water seal function. Also included is a one-way structure disposed at the end of the drain pipe 2, the one-way valve being configured to allow the condensate in the drain pipe 2 to flow outwardly in one direction. The one-way structure allows drainage without allowing foreign objects to invade the drain pipe 2. The unidirectional structure is disposed at the bottom of the water storage section 10. When the water accumulated in the water storage section 10 increases, the height becomes high, the pressure at the bottom is greater than the opening limit of the unidirectional structure, and the unidirectional structure opens the water drainage until the water level reaches below the safety line. The head end of the drain pipe 2 is higher than the tail end, the first section 9 is in a horizontal state, and the water storage section 10 is a vertically arranged pipe body. The utility model can pump condensed water into the drain pipe 2 by utilizing siphon and gravity, and uses the second section of the drain pipe 2 as water storage to form corresponding water seal and isolate the water seal from the external environment. Thus, the drainage of the air treatment unit is considered, the invasion of external objects or organisms is avoided, and the air treatment unit has better sanitary characteristic.

In some embodiments, the unidirectional structure comprises a water shutoff plate 11 and an elastic member 12, wherein the water shutoff plate 11 is positioned outside the drain pipe 2, and the elastic member 12 presses the water shutoff plate 11 against the tail end of the water storage section 10. The unidirectional structure provides a function of counteracting and balancing the water pressure by the elastic member 12. Wherein, the water shutoff plate 11 is the toper, and when water shutoff plate 11 supported and pressed in retaining section 10, the pointed end of water shutoff plate 11 stretches into retaining section 10. When the acting force provided by the water pressure exceeds the elastic force, the water shutoff plate 11 moves downwards to expose the annular water outlet, so that water is discharged. Specifically, the water shutoff plate 11 is fed through a shaft and a guiding structure formed by a set of sleeves, the elastic piece 12 is arranged between the water shutoff plate 11 and the corresponding sleeve body, and the other end of the sleeve body is fixedly arranged.

In other embodiments, the drain pipe 2 is not an integral structure, and according to the first section 9 and the second section, the first pipe body and the second pipe body are respectively, the second pipe body is constructed into a pipe body arranged along the height direction through a concrete form, the tail end of the first pipe body is connected in the second pipe body, and the tail end of the second pipe body is communicated with an external drain pipe 2.

The above-described embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.

Claims (7)

1. A drainage structure for air handling unit, characterized by, including the congeal water storehouse that is used for collecting the condensate water and connect the drain pipe in congeal water storehouse bottom, the drain pipe is connected with a plurality of siphon structures in congeal water storehouse bottom plane position, and siphon structure includes the lower pocket and covers the radome on the lower pocket, is equipped with annular gap between the notch of radome and lower pocket, is equipped with the intake chamber between lower pocket and the radome, the bottom intercommunication drain pipe of lower pocket.

2. A drainage structure for an air treatment unit according to claim 1, further comprising a one-way structure disposed at the end of the drain pipe, the one-way structure being configured to allow condensation water in the drain pipe to flow outwardly in one direction.

3. A drainage structure for an air treatment unit according to claim 2 wherein the drainage tube comprises a first section and a second section, the second section being a water storage section, the first section having a smaller diameter than the second section.

4. A drainage structure for an air treatment unit according to claim 3, wherein the one-way structure is provided at the bottom of the water storage section.

5. A drainage structure for an air treatment unit according to claim 2, wherein the one-way structure comprises a water blocking plate and an elastic member, the water blocking plate is located outside the drain pipe, and the elastic member presses the water blocking plate against the tail end of the water storage section.

6. The drain structure for an air treatment unit according to claim 5, wherein the water blocking plate is tapered, and a tip of the water blocking plate extends into the water storage section when the water blocking plate is pressed against the water storage section.

7. A drainage structure for an air treatment unit according to claim 3, wherein the head end of the drainage pipe is higher than the tail end, the first section is in a horizontal state, and the water storage section is a vertically arranged pipe body.