All-air air conditioning system for preventing airborne propagation of microorganisms

Abstract

The utility model provides an all-air air-conditioning system for preventing airborne propagation of microorganisms, which comprises an air-conditioning unit and an air pipe system, the air pipe system comprises an air supply pipe, an air return pipe and a fresh air pipe, and the air-conditioning unit comprises a casing, and a first purification component, a heat exchange component, a fan component and a second purification component which are arranged in the casing, a ventilation cavity is formed in the machine shell, the ventilation cavity is divided into a first cavity body and a second cavity body through a partition plate, a first air inlet used for communicating with a fresh air pipe and a second air inlet used for communicating with an air return pipe are formed in the side wall of the first cavity body, and the first purification assembly, the heat exchange assembly and the fan assembly are sequentially arranged in the first cavity body in the airflow direction; the second purification assembly is arranged in the second cavity. According to the all-air air conditioning system, air can be sterilized and purified at different levels, the quality of indoor air is improved, germs are prevented from diffusing into the whole place through the air conditioning unit when epidemic situations or other similar situations occur, and safety is improved.

Description

Technical Field

[0001] The present application relates to the technical field of air conditioning equipment, and in particular to a full air conditioning system for preventing the airborne transmission of microorganisms. Background Art

[0002] The closed building environment and limited ventilation conditions make it easy for indoor air to accumulate pollutants, such as dust, bacteria, viruses and other microorganisms, which can be transmitted through the air and pose a threat to human health. Especially for high-standard office buildings such as lecture halls and large conference rooms, the density of people is high, and the requirements for indoor air quality are high. Utility Model Content

[0003] The purpose of this application is to provide a full air conditioning system that prevents the spread of microorganisms through the air, which can sterilize and purify the air at different levels, improve the quality of indoor air, and prevent the spread of pathogens to the entire place through the air conditioning unit when an epidemic or other similar situation occurs, thereby improving safety. The specific plan is as follows:

[0004] A full air conditioning system for preventing airborne transmission of microorganisms comprises an air conditioning unit and an air duct system, wherein the air duct system comprises an air supply pipe for delivering air-conditioned air to a room, a return air pipe for discharging air from the room, and a fresh air pipe for delivering outdoor fresh air to the air conditioning unit, wherein the air conditioning unit comprises:

[0005] A housing, wherein a ventilation cavity is formed in the housing, and the ventilation cavity is divided into a first cavity and a second cavity by a partition, a first air inlet for connecting to a fresh air duct and a second air inlet for connecting to a return air duct are provided on a side wall of the first cavity, a first purification component, a heat exchange component and a fan component are sequentially arranged in the first cavity along the air flow direction, and the fan component is used to drive the air flow to mix through the first air inlet and the second air inlet, and then sequentially pass through the first purification component and the heat exchange component into the second cavity; an air supply port for connecting to the air supply duct is provided on the side wall of the second cavity;

[0006] A second purification component is disposed in the second cavity.

[0007] The beneficial effect is that the outdoor fresh air in the fresh air duct and the return air in the return air duct are mixed in the first cavity, preliminarily purified by the first purification component, and then efficiently purified by the second purification component in the second cavity before being transported to each room, so as to improve the quality of indoor air, avoid the spread of germs to the entire place through the air-conditioning unit when an epidemic or other similar situations occurs, and improve safety.

[0008] Further, the second chamber includes a first chamber and a second chamber, the first chamber is connected to the second chamber through a first regulating valve, and the second purification component is disposed in the first chamber;

[0009] The air supply port comprises a first air supply port and a second air supply port, the first air supply port is opened on the side wall of the first chamber, and the second air supply port is opened on the side wall of the second chamber;

[0010] A second regulating valve is provided at the connection between the first air supply port and the air supply pipe, and a third regulating valve is provided at the connection between the second air supply port and the air supply pipe.

[0011] The beneficial effect is that the opening and closing of the first regulating valve, the second regulating valve and the third regulating valve can be controlled to control whether the air flow delivered to the room is efficiently purified by the second purification component, so as to be suitable for air treatment methods under different conditions during normal times and epidemics.

[0012] Further, a fourth regulating valve is provided at the connection between the first air inlet and the fresh air duct, and a fifth regulating valve is provided at the connection between the second air inlet and the return air duct;

[0013] The beneficial effect is that the air intake and return air volumes of the room can be adjusted by the fourth regulating valve and the fifth regulating valve.

[0014] Furthermore, a first muffler is provided at the mixing section of the first air inlet and the second air inlet, and the first muffler is used to muffle the mixed airflow input by the fresh air duct and the return air duct;

[0015] A second muffler is provided in the second chamber for muffle the airflow to be delivered;

[0016] The air supply duct and the air return duct are respectively provided with a third muffler for muffle the air flow in the air supply duct and the air return duct.

[0017] Furthermore, fire dampers are provided on the air supply duct and the air return duct respectively.

[0018] Furthermore, the first purification component includes a primary air filter, a medium-efficiency air filter and a bipolar electrostatic dust removal filter.

[0019] Furthermore, a nanophoton purifier is also provided at the fan assembly for sterilizing and purifying the airflow.

[0020] Furthermore, the second purification component is a high efficiency filter.

[0021] Furthermore, the casing is provided with a plurality of inspection doors.

[0022] The beneficial effect of the utility model is that the utility model can perform different levels of sterilization and purification on the air through the arrangement of the first purification component, the nanophoton purifier and the second purification component, thereby improving the quality of indoor air, preventing the spread of pathogens to the entire place through the air-conditioning unit when an epidemic or other similar situations occurs, and improving safety.

[0023] In some embodiments, both the first cavity and the second cavity are provided with silencing facilities, which can effectively reduce the noise of the air conditioning unit, and the air duct is also provided with silencing equipment to meet the indoor low noise requirements. In addition, in the event of a severe infectious epidemic, the normal operation state of the air conditioning unit can be effectively switched to the epidemic operation state. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of a full air conditioning system for preventing airborne transmission of microorganisms according to the utility model;

[0025] Explanation of the reference numerals: 11, casing; 111, first cavity; 112, second cavity; 111'a, first air inlet; 111'b, second air inlet; 1121, first chamber; 1122, second chamber; 112'a, first air supply outlet; 112'b, second air supply outlet; 12, first purification component; 13, heat exchange component; 14, fan component; 15, second purification component; 16, nanophotonic purifier; 21, air supply duct; 22, return air duct; 23, fresh air duct; 31, first regulating valve; 32, second regulating valve; 33, third regulating valve; 34, fourth regulating valve; 35, fifth regulating valve; 41, first muffler; 42, second muffler; 43, third muffler; 5, fire damper; 6, inspection door. DETAILED DESCRIPTION

[0026] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0027] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of this application.

[0028] like Figure 1As shown, this embodiment provides a full air conditioning system for preventing airborne transmission of microorganisms, the full air conditioning system includes an air conditioning unit and an air duct system, the air duct system includes an air supply pipe 21 for delivering the air-conditioned air purified by the air conditioning unit to the room, a return air pipe 22 for discharging the air in the room, and a fresh air pipe 23 for delivering outdoor fresh air to the air conditioning unit. Specifically, the air conditioning unit includes a housing 11 and a first purification component 12, a heat exchange component 13, a fan component 14 and a second purification component 14 arranged in the housing 11. A ventilation cavity is formed in the housing 11, and the ventilation cavity is divided into a first cavity 111 and a second cavity 112 by a partition, as shown in FIG. Figure 1 As shown, in this embodiment, the second cavity 112 is located above the first cavity 111. Of course, the second cavity 112 can also be located on the left side of the first cavity 111. Here, the first cavity 111 and the second cavity 112 are arranged to perform segmented purification of the airflow, and the airflow processed in the first cavity 111 is transported to the second cavity 112 for further processing through the fan assembly 14, thereby improving the purification effect of the full air conditioning system of this embodiment. Furthermore, a first air inlet 111'a for connecting to the fresh air duct 23 and a second air inlet 111'b for connecting to the return air duct 22 are provided on the side wall of the first cavity 111. A first purification component 12, a heat exchange component 13 and a fan component 14 are sequentially arranged in the first cavity 111 along the air flow direction. The fan component 14 is used to drive the air flow to mix through the first air inlet 111'a and the second air inlet 111'b, and then enter the second cavity 112 through the first purification component 12 and the heat exchange component 13 in sequence. An air supply port for connecting to the air supply duct 21 is provided on the side wall of the second cavity 112, and a second purification component 15 is arranged in the second cavity 112. Specifically, the first purification component 12 includes a primary air filter 121, a medium-efficiency air filter 122 and a bipolar electrostatic dust filter 123, wherein the primary air filter 121 is used to filter particles larger than 5um in the air, with a filtration efficiency of 90%; the medium-efficiency air filter is used to filter particles larger than 1um in the air, with a filtration efficiency of 85%; the bipolar electrostatic dust filter 123 is used to sterilize and purify the air; the heat exchange component 13 is used to heat or cool the air flow passing through to achieve the heating or cooling effect in the room; the fan component 14 is used to blow the air flow processed by the first purification component 12 and the heat exchange component 13 to the second cavity 112, and in addition, a nanophoton purifier 16 is also provided at the fan component 14 for further sterilization and purification of the air flow purified by the first purification component 12; the second purification component 15 is a high-efficiency filter, which is used to efficiently purify and filter the air flow transported by the fan component 14, and can filter particles larger than 0.3um in the air, with a filtration efficiency of 99%.

[0029] To sum up, the full air conditioning system of this embodiment, through the arrangement of the first purification component, the nanophotonic purifier and the second purification component, performs different levels of sterilization and purification on the airflow passing through, which can effectively improve the indoor air quality and prevent the spread of germs to the entire place through the air conditioning unit when an epidemic or other similar situations occurs.

[0030] In order to make the full air conditioning system suitable for air treatment methods under different conditions during normal times and epidemics, during normal times, it is only necessary to purify the airflow passing through the first purification component 12 and the nanophoton purifier 16. During an epidemic, the first purification component 12, the nanophoton purifier 16 and the second purification component 15 are required to purify the airflow passing through in turn. Specifically, the second cavity 112 is divided into a first cavity 1121 and a second cavity 1122, the first cavity 1121 and the second cavity 1122 are connected through a first regulating valve 31, and the second purification component 15 is arranged in the first cavity 1121; the air supply port includes a first air supply port 112'a and a second air supply port 112'b, the first air supply port 112'a is opened on the side wall of the first cavity 1121, and the second air supply port 112'b is opened on the side wall of the second cavity 1122; the second regulating valve 32 is arranged at the connection between the first air supply port 112'a and the air supply pipe 21, and the second air supply port 112'b is connected to the air supply pipe 2 1 is provided with a third regulating valve 33; therefore, normally, only the third regulating valve 33 needs to be opened, the first regulating valve 31 and the second regulating valve 32 are closed, and the airflow purified by the first purification component 12 and the nanophoton purifier 16 is directly delivered to each room through the third regulating valve 33; in the event of an epidemic, the first regulating valve 31 and the second regulating valve 32 are opened, the third regulating valve 33 is closed, and the airflow purified by the first purification component 12 and the nanophoton purifier 16 enters the first chamber 1121 through the first regulating valve 31, and then is purified by the second purification component 15 and delivered to each room through the second regulating valve 32.

[0031] Furthermore, a fourth regulating valve 34 is provided at the connection between the first air inlet 111'a and the fresh air duct 23, and a fifth regulating valve 35 is provided at the connection between the second air inlet 111'b and the return air duct 22; thus, the air intake and return air volumes of the room can be adjusted by the fourth regulating valve 34 and the fifth regulating valve 35, so that the room supply air volume is greater than the return air volume, thereby preventing microorganisms from spreading through the air.

[0032] Furthermore, in order to meet the requirement of low indoor noise, silencers are respectively provided in the air-conditioning unit and in the air duct. Specifically, a first silencer 41 is provided in the mixing section between the first air inlet 111'a and the second air inlet 111'b. The first silencer 41 is used to silence the mixed airflow input from the fresh air duct 23 and the return air duct 22; a second silencer 42 is provided in the second chamber 1122 for silencing the airflow to be delivered; a third silencer 43 is respectively provided on the supply air duct 21 and the return air duct 22 for silencing the airflow in the supply air duct 21 and the return air duct 22.

[0033] Furthermore, fire dampers 5 are provided on the air supply duct 21 and the air return duct 22 respectively.

[0034] Furthermore, a plurality of inspection doors 6 are provided on the casing 11 .

[0035] It should be understood that the present application is not limited to the precise structures that have been described above and shown in the drawings, and that various modifications and changes may be performed without departing from the scope thereof. The scope of the present application is limited only by the appended claims.

Claims

1. An all-air air conditioning system for preventing airborne transmission of microorganisms, comprising an air conditioning unit and an air duct system, wherein the air duct system comprises an air supply pipe (21) for delivering air-conditioned air to a room, a return air pipe (22) for discharging air from the room, and a fresh air pipe (23) for delivering outdoor fresh air to the air conditioning unit, characterized in that: The air conditioning unit includes: A casing (11), wherein a ventilation cavity is formed in the casing (11), and the ventilation cavity is divided into a first cavity (111) and a second cavity (112) by a partition, and a first air inlet (111'a) for connecting to a fresh air duct (23) and a second air inlet (111'b) for connecting to a return air duct (22) are provided on a side wall of the first cavity (111), and a first purification component (12), a heat exchange component (13) and a fan component (14) are sequentially arranged in the first cavity (111) along an air flow direction, and the fan component (14) is used to drive the air flow to mix through the first air inlet (111'a) and the second air inlet (111'b), and then sequentially pass through the first purification component (12) and the heat exchange component (13) to enter the second cavity (112); and an air supply port for connecting to an air supply duct (21) is provided on a side wall of the second cavity (112); A second purification component (15), wherein the second purification component (15) is disposed in the second cavity (112).

2. The all-air conditioning system according to claim 1, characterized in that: The second chamber (112) comprises a first chamber (1121) and a second chamber (1122), the first chamber (1121) and the second chamber (1122) are connected via a first regulating valve (31), and the second purification component (15) is disposed in the first chamber (1121); The air supply port comprises a first air supply port (112'a) and a second air supply port (112'b), wherein the first air supply port (112'a) is opened on the side wall of the first chamber (1121), and the second air supply port (112'b) is opened on the side wall of the second chamber (1122); A second regulating valve (32) is provided at the connection between the first air supply port (112'a) and the air supply pipe (21), and a third regulating valve (33) is provided at the connection between the second air supply port (112'b) and the air supply pipe (21).

3. The all-air conditioning system according to claim 2, characterized in that: A fourth regulating valve (34) is provided at the connection between the first air inlet (111'a) and the fresh air duct (23), and a fifth regulating valve (35) is provided at the connection between the second air inlet (111'b) and the return air duct (22); Thus, the air intake and return air volumes of the room can be adjusted through the fourth regulating valve (34) and the fifth regulating valve (35).

4. The all-air conditioning system according to claim 2, characterized in that: A first muffler (41) is provided at the mixing section of the first air inlet (111'a) and the second air inlet (111'b), and the first muffler (41) is used to muffle the mixed air flow input from the fresh air duct (23) and the return air duct (22); A second muffler (42) is provided in the second chamber (1122) for muffle the airflow to be delivered; The air supply pipe (21) and the air return pipe (22) are respectively provided with a third muffler (43) for muffle the air flow in the air supply pipe (21) and the air return pipe (22).

5. The all-air conditioning system according to claim 1, characterized in that: The air supply pipe (21) and the air return pipe (22) are respectively provided with fire dampers (5).

6. The all-air conditioning system according to claim 1, characterized in that: The first purification component (12) comprises a primary air filter, a medium air filter and a bipolar electrostatic dust removal filter.

7. The all-air conditioning system according to claim 1, characterized in that: The fan assembly (14) is also provided with a nanophoton purifier (16) for sterilizing and purifying the airflow.

8. The all-air conditioning system according to claim 1, characterized in that: The second purification component (15) is a high efficiency filter.

9. The all-air conditioning system according to claim 1, characterized in that: The casing (11) is provided with a plurality of inspection doors (6).

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