Air pressure balancing device for drainage pipeline of all fresh air air conditioning unit

By designing a new air conditioning unit with a pressure balancing device for the drainage pipe, the problem of condensate not being able to drain under negative pressure was solved, enabling the self-drainage of condensate and removal of impurities, reducing maintenance work and equipment corrosion risks, and extending service life.

CN223755569UActive Publication Date: 2026-01-02ROYAL (WUXI) BIO-PHARM CO LTD
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Patent Information

Application Number
CN202423138703.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2026-01-02
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

The existing air-conditioning unit's drainage pipes are under negative pressure, causing an imbalance in air pressure and preventing condensate from being discharged properly. This affects the air quality inside the air-conditioning unit and causes equipment corrosion.

Method used

A novel air conditioning unit drainage pipe pressure balancing device was designed. A U-shaped bend is formed by the combination of elbow pipe and connecting pipe to achieve liquid seal, and the pressure is balanced with the outside air through the vent pipe to ensure that the condensate can be discharged automatically. At the same time, a tee pipe and plug are set to facilitate the removal of deposited impurities and prevent blockage.

Benefits of technology

It enables the automatic drainage of condensate, reducing maintenance workload and costs, preventing equipment corrosion and microbial growth, and extending service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a full fresh air air conditioning unit drainage pipeline air pressure balancing device which comprises a condensate water disc, a drainage pipe is fixedly installed on the right side of the condensate water disc, a first three-way pipe is fixedly installed on the right side of the drainage pipe, and a first breather pipe is fixedly installed at the upper end of the first three-way pipe. A first elbow pipe is fixedly installed on the right side of the first three-way pipe, and a first connecting pipe is fixedly installed at the lower end of the first elbow pipe. According to the air pressure balancing device for the drainage pipeline of the all fresh air air conditioning unit, a first elbow pipe, a first connecting pipe, a second elbow pipe, a second connecting pipe, a second three-way pipe, a third connecting pipe and a third elbow pipe are used in cooperation, a U-shaped bend can be formed for liquid sealing, and then through the arrangement of the first three-way pipe, a first ventilation pipe, a third three-way pipe and a second ventilation pipe, liquid sealing is achieved; the front end and the rear end of the U-shaped bend can be communicated with the outside air pressure, the air pressure at the two ends is balanced, and therefore condensate water is discharged through the gravity of the condensate water, manual intervention and maintenance are not needed, and the facility maintenance work number and maintenance cost are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of pharmaceutical purification air conditioning unit drainage, concretely is a kind of new air conditioning unit drainage pipeline air pressure balancing device. BACKGROUND

[0002] In the pharmaceutical industry, purification air conditioning unit plays a vital role in the control of production environment. Among them, the full fresh air air conditioning unit faces special drainage problems in the running process because it uses outdoor fresh air. When the hot and humid full fresh air passes through the heat exchanger for heat exchange, a large amount of condensate water is generated, which needs to be collected to the water collecting tray and discharged from the box through the drainage pipeline.

[0003] The existing purification air conditioning unit drainage pipeline usually uses U-shaped bend for liquid seal to prevent external air from entering the air conditioning unit through the drainage pipeline. However, due to the negative pressure zone of the cooling coil and the negative pressure of more than 200 Pa under the pharmaceutical purification requirement, the air pressure at both ends of the U-shaped bend is unbalanced, so that the condensate water in the water collecting tray cannot be discharged, and the water collecting tray will flow into the air conditioning unit if the water collecting height is higher than the water collecting tray height, which will affect the air quality and cause the bracket inside the cabinet to rust and corrode. Therefore, a new air conditioning unit drainage pipeline air pressure balancing device is needed. SUMMARY

[0004] The utility model aims at providing a new air conditioning unit drainage pipeline air pressure balancing device to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a new air conditioning unit drainage pipeline air pressure balancing device, comprising a condensate tray, a drainage pipe is fixedly installed on the right side of the condensate tray, a three-way pipe one is fixedly installed on the right side of the drainage pipe, an air pipe one is fixedly installed on the upper end of the three-way pipe one, an elbow pipe one is fixedly installed on the right side of the three-way pipe one, a connecting pipe one is fixedly installed on the lower end of the elbow pipe one, an elbow pipe two is fixedly installed on the lower end of the connecting pipe one, a connecting pipe two is fixedly installed on the right side of the elbow pipe two, a three-way pipe two is fixedly installed on the right side of the connecting pipe two, a plug is screwedly installed on the right side of the three-way pipe two, a connecting pipe three is fixedly installed on the upper end of the three-way pipe two, an elbow pipe three is fixedly installed on the upper end of the connecting pipe three, a three-way pipe three is fixedly installed on the right side of the elbow pipe three, an air pipe two is fixedly installed on the upper end of the three-way pipe three, and a discharge pipe is fixedly installed on the right side of the three-way pipe three.

[0006] Preferably, the connecting pipe one is communicated between the elbow pipe one and the elbow pipe two, and the connecting pipe three is communicated between the three-way pipe two and the elbow pipe three.

[0007] Preferably, the connecting pipe two is communicated between the elbow pipe two and the three-way pipe two.

[0008] Preferably, the length of the connecting pipe one is greater than the connecting pipe three.

[0009] Preferably, the pipe diameters of the drain pipe, the connecting pipe one, the connecting pipe two, the connecting pipe three and the discharge pipe are the same.

[0010] Preferably, the elbow pipe one is fixedly installed between the three-way pipe one and the connecting pipe one.

[0011] Preferably, the elbow pipe two is fixedly installed between the connecting pipe one and the connecting pipe two, and the elbow pipe three is fixedly installed between the connecting pipe three and the three-way pipe three.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. the new air conditioning unit drain pipe pressure balancing device, through the cooperation of the elbow pipe one, the connecting pipe one, the elbow pipe two, the connecting pipe two, the three-way pipe two, the connecting pipe three and the elbow pipe three, can form a U-shaped bend for liquid seal, then through the setting of the three-way pipe one and the vent pipe one and the three-way pipe three and the vent pipe two, the front and rear ends of the U-shaped bend can be communicated with the outside air pressure, the air pressure at both ends reaches the balance, so that the condensed water is discharged from the condensed water tray through the self-gravity, without personnel intervention and maintenance, reduces the facility maintenance work quantity and maintenance cost and reduces the equipment corrosion and microorganism breeding in the air conditioning unit.

[0014] 2. the new air conditioning unit drain pipe pressure balancing device, through the setting of the three-way pipe two and the plug, can deposit the impurities and the like carried by the condensed water generated by the surface air cooler at the bottom of the U-shaped pipe during the air conditioning operation, gradually reduces the pipe flow cross section area or even causes the blockage, the plug can facilitate the maintenance and the removal of the deposited dirt and impurities, ensures the normal drainage, and prolongs the service life. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the first overall structure schematic view of the utility model;

[0016] Figure 2 It is the second overall structure schematic view of the utility model;

[0017] Figure 3 It is the front view structure schematic view of the utility model;

[0018] Figure 4 It is the three-way pipe two and the plug installation structure schematic view of the utility model.

[0019] Wherein: 1, the condensate tray; 2, drain pipe; 3, three-way pipe one; 4, air pipe one; 5, elbow pipe one; 6, connecting pipe one; 7, elbow pipe two; 8, connecting pipe two; 9, three-way pipe two; 10, plug; 11, connecting pipe three; 12, elbow pipe three; 13, three-way pipe three; 14, air pipe two; 15, discharge pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides technical scheme: a new air conditioning unit drainage pipeline pressure balance device, including condensate tray 1, the right side fixed mounting of condensate tray 1 has drain pipe 2, the right side fixed mounting of drain pipe 2 has three-way pipe one 3, the upper end fixed mounting of three-way pipe one 3 has air pipe one 4, the right side fixed mounting of three-way pipe one 3 has elbow pipe one 5, the lower end fixed mounting of elbow pipe one 5 has connecting pipe one 6, the lower end fixed mounting of connecting pipe one 6 has elbow pipe two 7, the right side fixed mounting of elbow pipe two 7 has connecting pipe two 8, the right side fixed mounting of connecting pipe two 8 has three-way pipe two 9, the right side screw mounting of three-way pipe two 9 has plug 10, through the setting of three-way pipe two 9 and plug 10, can in the process of air conditioning operation, the impurities etc. that condensate water carried by surface condenser produces deposits in the bottom of U-shaped pipe, gradually reduces the pipe flow cross-sectional area even causes the blockage, using plug 10 can facilitate maintenance and remove the deposited dirt and impurities, ensure that the drainage is normal, prolong the service life, the upper end fixed mounting of three-way pipe two 9 has connecting pipe three 11, the upper end fixed mounting of connecting pipe three 11 has elbow pipe three 12, through the cooperation of elbow pipe one 5, connecting pipe one 6, elbow pipe two 7, connecting pipe two 8, three-way pipe two 9, connecting pipe three 11 and elbow pipe three 12, can form a U-shaped bend and seal, the right side fixed mounting of elbow pipe three 12 has three-way pipe three 13, the upper end fixed mounting of three-way pipe three 13 has air pipe two 14, the right side fixed mounting of three-way pipe three 13 has discharge pipe 15.

[0022] Please refer to Figures 2-4In the embodiment, the connecting pipe one 6 is communicated between the elbow pipe one 5 and the elbow pipe two 7, the connecting pipe three 11 is communicated between the three-way pipe two 9 and the elbow pipe three 12, the connecting pipe two 8 is communicated between the elbow pipe two 7 and the three-way pipe two 9, the length of the connecting pipe one 6 is greater than the connecting pipe three 11, so that the two ends of the U-shaped bend are prevented from being located at the same height, the pipe diameters of the drain pipe 2, the connecting pipe one 6, the connecting pipe two 8, the connecting pipe three 11 and the discharge pipe 15 are the same, so that installation can be facilitated, the elbow pipe one 5 is fixedly installed between the three-way pipe one 3 and the connecting pipe one 6, the elbow pipe two 7 is fixedly installed between the connecting pipe one 6 and the connecting pipe two 8, and the elbow pipe three 12 is fixedly installed between the connecting pipe three 11 and the three-way pipe three 13.

[0023] Working principle: through the cooperation of the elbow pipe one 5, the connecting pipe one 6, the elbow pipe two 7, the connecting pipe two 8, the three-way pipe two 9, the connecting pipe three 11 and the elbow pipe three 12, a U-shaped bend for liquid sealing can be formed, then through the setting of the three-way pipe one 3 and the vent pipe one 4 and the three-way pipe three 13 and the vent pipe two 14, the front and rear ends of the U-shaped bend can be communicated with the external air pressure, so that the air pressures of the two ends are balanced, so that the condensed water is discharged from the condensate pan 1 through the self-gravity, without the intervention and maintenance of personnel, the number of facility maintenance work and the maintenance cost are reduced, and the corrosion of equipment and the breeding of microorganisms in the air conditioning unit are reduced, through the setting of the three-way pipe two 9 and the plug 10, when the impurities carried by the condensed water generated by the surface air cooler deposit at the bottom of the U-shaped pipe, gradually reduce the pipe flow cross-sectional area or even cause blockage, the plug 10 can facilitate maintenance and removal of the deposited dirt and impurities, ensure normal drainage, and prolong the service life.

[0024] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein.

[0025] The above description of the disclosed embodiments enables those skilled in the art to implement or use the utility model, various modifications of the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A new fresh air air conditioning unit drain pipe air pressure balancing device, comprising a condensate water pan (1), characterized in that: The right side of the condensate pan (1) is fixedly installed with a drain pipe (2), the right side of the drain pipe (2) is fixedly installed with a three-way pipe one (3), the upper end of the three-way pipe one (3) is fixedly installed with a vent pipe one (4), the right side of the three-way pipe one (3) is fixedly installed with an elbow pipe one (5), the lower end of the elbow pipe one (5) is fixedly installed with a connecting pipe one (6), the lower end of the connecting pipe one (6) is fixedly installed with an elbow pipe two (7), the right side of the elbow pipe two (7) is fixedly installed with a connecting pipe two (8), the right side of the connecting pipe two (8) is fixedly installed with a three-way pipe two (9), the right side of the three-way pipe two (9) is threadedly installed with a plug (10), the upper end of the three-way pipe two (9) is fixedly installed with a connecting pipe three (11), the upper end of the connecting pipe three (11) is fixedly installed with an elbow pipe three (12), the right side of the elbow pipe three (12) is fixedly installed with a three-way pipe three (13), the upper end of the three-way pipe three (13) is fixedly installed with a vent pipe two (14), the right side of the three-way pipe three (13) is fixedly installed with a discharge pipe (15).

2. The air pressure balancing device for the drain pipe of a new all-fresh air air conditioning unit according to claim 1, characterized in that: The connecting pipe one (6) is communicated between the elbow pipe one (5) and the elbow pipe two (7), and the connecting pipe three (11) is communicated between the three-way pipe two (9) and the elbow pipe three (12).

3. The air pressure balancing device for the drain pipe of a new all-fresh air air conditioning unit according to claim 1, characterized in that: The connecting pipe two (8) is communicated between the elbow pipe two (7) and the three-way pipe two (9).

4. The drainage pipe air pressure balancing device of a new all-fresh-air air conditioning unit according to claim 1, characterized in that: The length of the connecting pipe one (6) is greater than that of the connecting pipe three (11).

5. The new air conditioning unit drain pipe air pressure balancing device according to claim 1, characterized in that: The drain pipe (2), the connecting pipe one (6), the connecting pipe two (8), the connecting pipe three (11) and the discharge pipe (15) have the same pipe diameter.

6. The new air conditioning unit drain pipe air pressure balancing device according to claim 1, characterized in that: The elbow pipe one (5) is fixedly installed between the three-way pipe one (3) and the connecting pipe one (6).

7. The new air conditioning unit drain pipe air pressure balancing device according to claim 1, characterized in that: The elbow pipe two (7) is fixedly installed between the connecting pipe one (6) and the connecting pipe two (8), and the elbow pipe three (12) is fixedly installed between the connecting pipe three (11) and the three-way pipe three (13).