Sterilization and disinfection device in fresh air handling unit

Abstract

The utility model relates to the technical field of disinfection devices, and particularly discloses a sterilization and disinfection device in a fresh air handling unit, which comprises a fresh air machine body, an air inlet pipe, an air supply pipe, an air return pipe and an air exhaust pipe, the air inlet pipe and the air exhaust pipe are arranged on one side of the fresh air machine body, and the air supply pipe and the air return pipe are arranged on the other side of the fresh air machine body. A one-way valve is arranged on the air inlet pipe, a connecting pipe is arranged between the air supply pipe and the air return pipe and communicates with the air supply pipe and the air return pipe, switch valves are arranged on the air supply pipe, the air return pipe, the exhaust pipe and the connecting pipe, and a disinfection box is fixedly installed on the top of the fresh air machine body. A pump body is arranged on the side edge of the disinfection box, a conveying pipe is arranged at a water outlet of the pump body, and an atomization spraying disc is arranged at the top of the air inlet pipe. According to the sterilization and disinfection device in the fresh air handling unit, through power of fresh air, disinfectant can be driven to comprehensively and deeply disinfect the interior of the fresh air handling unit body, the disinfection effect is improved, and practicability is high.

Description

Technical Field

[0001] This utility model belongs to the field of disinfection device technology, and in particular relates to a sterilization and disinfection device in a fresh air handling unit. Background Technology

[0002] A fresh air handling unit is an air treatment device used to introduce fresh outdoor air into a room while expelling stale indoor air. The sterilization and disinfection device inside the fresh air handling unit is used to purify the introduced fresh air by killing harmful microorganisms such as bacteria and viruses in the air through ultraviolet light, photocatalysis or other technical means, to ensure that the air entering the room is clean and healthy.

[0003] Existing sterilization and disinfection devices in fresh air handling units mostly use ultraviolet irradiation and other methods for sterilization and disinfection, which to a certain extent meets the basic disinfection requirements. However, ultraviolet sterilization and disinfection can only sterilize and disinfect the surface of the components inside the fresh air handling unit, and it is difficult to achieve a comprehensive and deep disinfection effect inside the unit. In particular, the disinfection effect is limited for the inside and hard-to-reach areas, making it difficult to ensure the hygiene and safety of the entire system. Improvements are needed. Therefore, a sterilization and disinfection device for fresh air handling units is proposed. Utility Model Content

[0004] The purpose of this invention is to provide a sterilization and disinfection device for a fresh air handling unit to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a sterilization and disinfection device for a fresh air handling unit, comprising a fresh air handling unit body, an air inlet pipe, an air supply pipe, a return air pipe, and an exhaust pipe. The air inlet pipe and the exhaust pipe are located on one side of the fresh air handling unit body, and the air supply pipe and the return air pipe are located on the other side of the fresh air handling unit body. A one-way valve is provided on the air inlet pipe. A connecting pipe is provided between the air supply pipe and the return air pipe. The connecting pipe is connected to the air supply pipe and the return air pipe respectively. Switch valves are provided on the air supply pipe, the return air pipe, the exhaust pipe, and the connecting pipe. A disinfection box is fixedly installed on the top of the fresh air handling unit body. A pump body is provided on the side of the disinfection box. A delivery pipe is provided at the outlet of the pump body. An atomizing spray plate is provided on the top of the air inlet pipe. The delivery pipe is connected to the atomizing spray plate.

[0006] Further description of the above solution: By setting up the fresh air unit body, air inlet pipe, air supply pipe, air return pipe, exhaust pipe, one-way valve, connecting pipe, switch valve, disinfection box, pump body, and delivery pipe working together, the fresh air power can drive the disinfectant to carry out comprehensive deep disinfection of the inside of the fresh air unit body, improve the disinfection effect, and is highly practical.

[0007] Preferably, a heat exchange box is provided in the middle of the fresh air unit body, and filter plates are provided on the sides of the heat exchange box.

[0008] Further description of the above scheme: the heat exchange box and the filter plate facilitate heat exchange between the fresh air and the indoor air.

[0009] Preferably, the filter plates are all clamped on the heat exchange box.

[0010] Further description of the above scheme: the filter plates are all clamped on the heat exchange box, which facilitates simple disassembly and maintenance of the filter plates.

[0011] Preferably, the fresh air fan body is provided with uniformly distributed cover plates on one side, and the cover plates are all clamped on the fresh air fan body.

[0012] Further description of the above scheme: the cover plates facilitate opening of the side edges of the fresh air fan body.

[0013] Preferably, the side edges of the cover plates are all fixedly provided with ultraviolet lamps.

[0014] Further description of the above scheme: the side edges of the cover plates are all fixedly provided with ultraviolet lamps, which facilitates ultraviolet sterilization and disinfection of the interior of the fresh air fan body.

[0015] Preferably, the fresh air fan body is provided with a controller, and the controller is electrically connected with the fresh air fan body, the on-off valve and the pump body.

[0016] Further description of the above scheme: the controller facilitates automatic control of the whole device.

[0017] Compared with the prior art, the device has the advantages that: through cooperation between the fresh air fan body, the air inlet pipe, the air supply pipe, the air return pipe, the air exhaust pipe, the one-way valve, the connecting pipe, the on-off valve, the disinfection box, the pump body and the conveying pipe, the disinfectant can be driven by the power of the fresh air to comprehensively and deeply disinfect the interior of the fresh air fan body, thereby improving the disinfection effect and being practical. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a perspective view of the device;

[0019] Figure 2 It is a side view of the device;

[0020] Figure 3 It is a sectional view of the device;

[0021] Figure 4 It is a structure view of the cover plate and the ultraviolet lamp.

[0022] LEGEND

[0023] 1, new fan body; 2, air inlet pipe; 3, air supply pipe; 4, return air pipe; 5, exhaust pipe; 6, check valve; 7, connecting pipe; 8, on-off valve; 9, disinfection tank; 10, pump body; 11, conveying pipe; 12, atomizing spray disc; 13, heat exchange tank; 14, filter plate; 15, cover plate; 16, ultraviolet lamp. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely below in conjunction with 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 protection scope of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0026] A sterilization and disinfection device in a fresh air handling unit, comprising a fresh air fan body 1, an air inlet pipe 2, an air supply pipe 3, a return air pipe 4 and an exhaust pipe 5, the air inlet pipe 2 and the exhaust pipe 5 are arranged on one side of the fresh air fan body 1, the air supply pipe 3 and the return air pipe 4 are arranged on the other side of the fresh air fan body 1, a check valve 6 is arranged on the air inlet pipe 2, a connecting pipe 7 is arranged between the air supply pipe 3 and the return air pipe 4, the connecting pipe 7 is communicated with the air supply pipe 3 and the return air pipe 4 respectively, on-off valves 8 are arranged on the air supply pipe 3, the return air pipe 4, the exhaust pipe 5 and the connecting pipe 7, a disinfection tank 9 is fixedly installed on the top of the fresh air fan body 1, a pump body 10 is arranged on the side of the disinfection tank 9, a conveying pipe 11 is arranged on the water outlet of the pump body 10, an atomizing spray disc 12 is arranged on the top of the air inlet pipe 2, and the conveying pipe 11 is communicated with the atomizing spray disc 12.

[0027] In the fresh air handling unit, the air inlet pipe 2 is used to introduce fresh outdoor air into the fresh air fan body 1, the air supply pipe 3 is used to deliver treated fresh air to the indoor, the return air pipe 4 is used to suck indoor air into the fresh air fan body 1, and the exhaust pipe 5 is used to discharge the heat-exchanged old air from the fresh air handling unit.

[0028] The one-way valve 6 on the air inlet pipe 2 ensures that fresh air can only enter from the outside, avoiding backflow. When it is necessary to thoroughly disinfect the inside of the fresh air machine body 1, the fresh air enters the fresh air machine body 1 from the air inlet pipe 2, the air inlet pipe 2, the air supply pipe 3, and the air exhaust pipe 5 are closed at the same time, and the switch valve 8 on the connecting pipe 7 is opened. At this time, a closed loop disinfection environment is formed. When the fresh air enters the fresh air machine body 1 through the air inlet pipe 2, the pump body 10 draws disinfectant from the disinfection tank 9 and delivers it to the atomizing disc 12 at the top of the air inlet pipe 2 through the delivery pipe 11. The atomizing disc 12 atomizes and uniformly sprays the disinfectant in the fresh air. With the power of the fresh air, the disinfectant can cover every corner of the fresh air machine body 1 and penetrate, achieving comprehensive and deep disinfection.

[0029] The fresh air unit internal sterilization and disinfection device can drive the disinfectant to comprehensively and deeply disinfect the inside of the fresh air machine body 1 by the power of the fresh air, improve the disinfection effect, and has strong practicality.

[0030] The fresh air machine body 1 is provided with a heat exchange tank 13 in the middle, and the heat exchange tank 13 is provided with a filter plate 14 on each side.

[0031] The heat exchange tank 13 in the middle of the fresh air machine body 1 is used for heat exchange between fresh air and indoor air, improving energy utilization efficiency. The filter plate 14 arranged on the side of the heat exchange tank 13 plays a filtering role, which can block dust, particulate matter and other impurities in the air, and ensure the air quality entering the fresh air machine body 1.

[0032] The filter plate 14 is clamped on the heat exchange tank 13.

[0033] The filter plate 14 is clamped on the heat exchange tank 13, which is convenient for installation and disassembly of the filter plate 14, and also facilitates subsequent maintenance and replacement, ensuring the continuous filtering effect of the filter plate 14.

[0034] The fresh air machine body 1 is provided with evenly distributed cover plates 15 on one side, and the cover plates 15 are clamped on the fresh air machine body 1.

[0035] When it is necessary to maintain or check the inside of the fresh air machine body 1, the operator can open the cover plate 15 to expose the internal structure of the fresh air machine body 1, which is convenient for cleaning, repairing or replacing parts and other operations.

[0036] The cover plate 15 is provided with an ultraviolet lamp 16 on each side.

[0037] The cover plate 15 is provided with an ultraviolet lamp 16 on each side, which is convenient for ultraviolet sterilization and disinfection of the inside of the fresh air machine body 1.

[0038] The fresh air machine body 1 is provided with a controller, and the controller is electrically connected with the fresh air machine body 1, the switch valve 8, and the pump body 10.

[0039] The setting controller facilitates automatic control of the whole device.

[0040] Working principle:

[0041] In the fresh air handling unit, the air inlet pipe 2 is used to introduce fresh outdoor air into the fresh air handling unit body 1, the air supply pipe 3 is used to deliver the treated fresh air to the indoor, the air return pipe 4 is used to suck the indoor air into the fresh air handling unit body 1, and the air exhaust pipe 5 is used to exhaust the old air after heat exchange from the fresh air handling unit;

[0042] The one-way valve 6 on the air inlet pipe 2 ensures that the fresh air can only enter from the outside, avoiding backflow, when it is necessary to sterilize the inside of the fresh air handling unit body 1 comprehensively, the fresh air enters the fresh air handling unit body 1 from the air inlet pipe 2, the air inlet pipe 2, the air supply pipe 3, and the air exhaust pipe 5 are closed at the same time, and the on-off valve 8 on the connecting pipe 7 is opened, at this time, a closed circulating sterilization environment is formed, when the fresh air enters the fresh air handling unit body 1 through the air inlet pipe 2, the pump body 10 pumps the sterilization liquid from the sterilization tank 9 and delivers it to the atomizing disc 12 at the top of the air inlet pipe 2 through the delivery pipe 11, the atomizing disc 12 atomizes and uniformly sprays the sterilization liquid in the fresh air, using the power of the fresh air, the sterilization liquid can cover every corner inside the fresh air handling unit body 1 and penetrate, realizing comprehensive and deep sterilization;

[0043] The sterilization and disinfection device in the fresh air handling unit can drive the sterilization liquid to comprehensively and deeply sterilize the inside of the fresh air handling unit body 1 by the power of the fresh air, improve the sterilization effect, and has strong practicality.

[0044] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A sterilization and disinfection device in a fresh air handling unit, comprising a fresh air handling unit body (1), an air inlet pipe (2), an air supply pipe (3), an air return pipe (4), and an air exhaust pipe (5), characterized in that, The air inlet pipe (2) and the exhaust pipe (5) are arranged on one side of the fresh air machine body (1), the air supply pipe (3) and the return air pipe (4) are arranged on the other side of the fresh air machine body (1), the air inlet pipe (2) is provided with a one-way valve (6), the air supply pipe (3) and the return air pipe (4) are provided with a connecting pipe (7), the connecting pipe (7) is communicated with the air supply pipe (3) and the return air pipe (4) respectively, the air supply pipe (3), the return air pipe (4), the exhaust pipe (5) and the connecting pipe (7) are provided with on-off valves (8), the top of the fresh air machine body (1) is fixedly provided with a disinfection box (9), the side of the disinfection box (9) is provided with a pump body (10), the water outlet of the pump body (10) is provided with a conveying pipe (11), the top of the air inlet pipe (2) is provided with an atomizing spray disc (12), the conveying pipe (11) is communicated with the atomizing spray disc (12).

2. The device according to claim 1, characterized in that, The fresh air machine body (1) is provided with a heat exchange box (13) in the middle, and the heat exchange box (13) is provided with filter plates (14) on the side.

3. The device according to claim 2, characterized in that, The filter plates (14) are clamped on the heat exchange box (13).

4. The device according to claim 1, characterized in that, The fresh air machine body (1) is provided with evenly distributed cover plates (15) on one side, and the cover plates (15) are clamped on the fresh air machine body (1).

5. The device according to claim 4, characterized in that, The side of the cover plate (15) is fixedly provided with an ultraviolet lamp (16).

6. The device according to claim 1, characterized in that, The fresh air machine body (1) is provided with a controller, and the controller is electrically connected with the fresh air machine body (1), the on-off valve (8) and the pump body (10).

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