CN217330042U

CN217330042U - Fresh air conditioning unit with sterilization function

Info

Publication number: CN217330042U
Application number: CN202123309998.8U
Authority: CN
Inventors: 齐丛亮; 吴傲立; 陈旭生
Original assignee: Jiangsu Zhongke Ruisai Pollution Control Engineering Co ltd
Current assignee: Jiangsu Zhongke Ruisai Pollution Control Engineering Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-08-30
Anticipated expiration: 2031-12-27

Abstract

The utility model provides a fresh air conditioning unit with sterilization function, which comprises a shell, wherein one end of the shell is provided with a fresh air filtering section and an air exhaust section, and the other end is provided with an indoor return air filtering section and an indoor air supply section; a full heat exchange section, a sterilization component, a refrigeration and heating component, an air supply fan and a silencing component are sequentially arranged in the shell; wherein an electric ventilation valve is arranged between the indoor return air filtering section and the sterilization component; the indoor air supply section comprises an air supply filter screen, an air supply flange and an indoor air supply outlet which are arranged in sequence; the indoor return air filtering section comprises a return air filtering screen, a return air flange and an indoor return air inlet which are arranged in sequence; the air exhaust section comprises an air exhaust fan, an air exhaust flange and an outdoor air outlet which are arranged in sequence; the fresh air filtering section comprises a fresh air port, a fresh air flange and a fresh air filtering net which are matched with each other. The utility model has simple structure and sterilization function; high disinfecting and purifying efficiency, stability and reliability.

Description

Fresh air conditioning unit with sterilization function

Technical Field

The utility model belongs to the technical field of air purification, a fresh air conditioning unit with sterilization function is related to.

Background

Since the new crown epidemic situation, people have higher and higher requirements on air quality, especially on air cleanliness and safety index. In indoor public places including offices, hospitals and the like, which are areas where people gather, the demand for air is higher. Most of fresh air blowers, central air conditioners and the like which run on the market only have a fresh air function or refrigeration and heating function, and rarely provide a disinfection function, and the demand on the aspect is increasing. The problems of improving indoor air quality environment (including disinfection and sterilization), and promoting physical and mental health of the masses and the sustainable development requirement of national economy and ecology are urgently needed to be solved.

Most of fresh air blowers, central air conditioners and the like which run on the market only have a fresh air function or refrigeration and heating function, and rarely provide a disinfection function, and the demand on the aspect is increasing.

Disclosure of Invention

In order to solve the problem, the utility model provides a fresh air conditioning unit with sterilization function, simple structure has the sterilization function, has fresh air conditioning function again, carries out the heat exchange with indoor outer air heat, and is energy-concerving and environment-protective, and the security is high. The filter screens at all levels are convenient to disassemble, replace and clean; high disinfecting and purifying efficiency, stability and reliability.

A fresh air conditioning unit with a sterilization function comprises a shell, wherein one end of the shell is provided with a fresh air filtering section and an air exhaust section, and the other end of the shell is provided with an indoor return air filtering section and an indoor air supply section; a full heat exchange section, a sterilization component, a refrigeration and heating component, an air supply fan and a silencing component are sequentially arranged in the shell; wherein an electric ventilation valve is arranged between the indoor return air filtering section and the sterilization component; the indoor air supply section comprises an air supply filter screen, an air supply flange and an indoor air supply outlet which are arranged in sequence; the indoor return air filtering section comprises a return air filtering screen, a return air flange and an indoor return air inlet which are arranged in sequence; the air exhaust section comprises an air exhaust fan, an air exhaust flange and an outdoor air outlet which are arranged in sequence; the fresh air filtering section comprises a fresh air port, a fresh air flange and a fresh air filtering net which are matched with each other.

Preferably, the sterilization component comprises a photocatalyst filter screen and an ultraviolet lamp which are arranged in sequence; photocatalyst filter screen and ultraviolet lamp's doublestage is used, can carry out efficient disinfection with the air that carries out the exchange or the air of indoor circulation, can effectively promote safe index, the purification efficiency to outdoor new trend and indoor dirty air, reliable and stable, life cycle is long.

Preferably, the total heat exchange section is a rotary wheel type total heat exchanger; the electric ventilation valve is a two-way ventilation valve.

Preferably, the fresh air filter screen, the air supply filter screen and the return air filter screen are clamped on the side surface of the shell through a buckle plate, the shell is a hollow closed cavity, an opening is formed in the side edge of the shell 1, so that the filter screens can be conveniently dismounted, replaced and cleaned, and the filter screens are clamped with the shell through the buckle plate; the shell is a hollow closed cavity, and an opening is formed in the side edge of the shell, so that the filter screen can be conveniently disassembled, replaced and cleaned, and the filter screen is clamped with the shell through a pinch plate.

Preferably, the air supply filter screen is of a multi-stage filter structure; can realize the high-efficient filtration to fine particulate matter, including PM 2.5 and Volatile Organic Compounds (VOCs).

Preferably, the air supply fan and the air exhaust fan are both direct current fans; convenient operation and control and low design cost.

The utility model discloses a theory of operation is:

1. when the two-way ventilation valve is opened, the indoor air conditioner is in an internal circulation purification mode, an indoor air return inlet, a sterilization assembly, a refrigeration and heating assembly, an air supply fan, a silencing assembly and an indoor air supply outlet are sequentially communicated to form an internal circulation air duct, indoor dirty air is sterilized, efficiently filtered, adjusted in temperature and then discharged into the room again, and internal circulation of the indoor air is completed.

2. The sterilization component comprises a photocatalyst filter screen and an ultraviolet lamp, the photocatalyst filter screen and the ultraviolet lamp are used in two stages, the exchanged air or the indoor circulating air can be efficiently sterilized, the safety index and the purification efficiency of outdoor fresh air and indoor dirty air can be effectively improved, and the sterilization component is stable and reliable and long in service cycle.

3. The utility model combines the fresh air conditioner and the sterilization component together, introduces outdoor fresh air, discharges indoor turbid air, exchanges heat with indoor and outdoor air heat through the total heat exchanger, preheats or precools the newly introduced fresh air, increases (reduces) fresh air enthalpy value, reduces the load of the air conditioning system, achieves energy-saving effect, achieves disinfection and sterilization effect through the sterilization component, and improves air safety index; meanwhile, the refrigerating and heating assembly can be opened and closed according to the change of indoor temperature, so that the indoor comfort level is ensured; the built-in high-efficient filter screen of casing has guaranteed indoor cleanliness factor, and the terminal amortization subassembly that increases of unit reduces the unit noise simultaneously.

The utility model has the advantages that: the functional sections are matched to form a fresh air external circulation sterilization air conditioning functional group and an internal circulation sterilization air conditioning group.

Drawings

FIG. 1 is a schematic structural view of the present invention;

list of reference numerals:

wherein 1-a shell; 2-fresh air filtering section; 3-a total heat exchange section; 4-a sterilization component; 5, a refrigerating and heating component; 6-air supply fan; 7-a sound attenuating assembly; 8-indoor air supply section; 9-indoor return air filtering section; 10-an electrically operated vent valve; 11-an exhaust section; 21-fresh air filter screen; 22-a fresh air flange; 23-fresh air port; 41-photocatalyst filter screen; 42-ultraviolet lamp; 111-outdoor air outlet; 112-exhaust flange; 113-an exhaust fan; 81-air supply filter screen; 82-a supply flange; 83-indoor air supply outlet; 91-return air filter screen; 92-return air flange; 93-indoor return air inlet.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1, the fresh air handling unit with a sterilization function of this embodiment includes a housing 1, where the housing 1 is a hollow sealed cavity.

One end of the shell 1 is provided with a fresh air filtering section 2 and an air exhaust section 11, and the other end is provided with an indoor return air filtering section 9 and an indoor air supply section 8; the shell 1 is internally provided with a total heat exchange section 3, a sterilization component 4, a refrigeration and heating component 5, an air supply fan 6 and a silencing component 7 in sequence; the total heat exchange section 3 is a rotary wheel type total heat exchanger; wherein an electric ventilation valve 10 is arranged between the indoor return air filtering section 9 and the sterilization component 4; the electrically operated vent valve 10 is a two-way vent valve.

The indoor air supply section 8 comprises an air supply filter screen 81, an air supply flange 82 and an indoor air supply outlet 83 which are arranged in sequence; the air supply filter screen 81 is of a multi-stage filter structure; can realize the high-efficient filtration of fine particulate matters (including PM 2.5) and Volatile Organic Compounds (VOCs).

The indoor return air filtering section 9 comprises a return air filtering screen 91, a return air flange 92 and an indoor return air inlet 93 which are arranged in sequence.

The exhaust section 11 includes an exhaust fan 113, an exhaust flange 112 and an outdoor exhaust port 111 arranged in sequence. The fresh air filtering section 2 comprises a fresh air port 23, a fresh air flange 22 and a fresh air filtering net 21 which are matched with each other.

This embodiment is opened when two-way vent valve 10, is in the inner loop and purifies the mode, indoor return air inlet 93, sterilization subassembly 4, refrigeration heating subassembly 5, air supply fan 6, amortization subassembly 7, and indoor supply-air outlet 83 communicates in proper order, constitutes the inner loop wind channel, carries out sterilization and high-efficient filtration with indoor dirty air through the inner loop wind channel, and the temperature of having adjusted is indoor again discharged, accomplishes the inner loop of room air.

As shown in fig. 1, the outdoor fresh air inlet 23, the indoor supply air outlet 83, the indoor return air inlet 93, and the outdoor exhaust air outlet 111; the pipe diameters of the fresh air inlet 23, the indoor air supply outlet 83, the indoor air return inlet 93 and the outdoor air outlet 111 can be changed randomly according to different indoor air supply rates or different indoor air exchange rates, and the pipe joint is novel and practical in structure and convenient to install and put into production.

The sterilization component 4 comprises a photocatalyst filter screen 41 and an ultraviolet lamp 42 which are arranged in sequence; the double-stage use of photocatalyst filter screen 41 and ultraviolet lamp 42 can carry out efficient disinfection and sterilization with the air that carries out the exchange or the air of indoor circulation, can effectively promote safety index, purification efficiency to outdoor new trend and indoor dirty air, and is reliable and stable, life cycle length.

As shown in fig. 1, the fresh air filter screen 21, the air supply filter screen 81 and the return air filter screen 91 are connected to the side face of the shell 1 through a buckle plate in a clamping manner, and are convenient to install and disassemble.

The air supply fan 6 and the air exhaust fan 113 of the present embodiment are both direct current fans; the operation and control are convenient, and the design cost is low.

In the embodiment, the fresh air conditioner is combined with the sterilization component, outdoor fresh air is introduced, indoor turbid air is discharged, heat exchange is carried out on indoor and outdoor air heat through the total heat exchanger 3, the newly introduced fresh air is preheated or precooled, the enthalpy value of the fresh air is increased (reduced), and the load of an air conditioning system is reduced; the energy-saving effect is achieved, the sterilization component 4 has the effects of disinfection and sterilization, and the air safety index is improved; meanwhile, the refrigerating and heating assembly 5 can be opened and closed according to the change of indoor temperature, so that the indoor comfort level is ensured; the built-in high-efficient filter screen of unit has guaranteed indoor cleanliness factor, and the terminal amortization section that increases of unit reduces the unit noise simultaneously.

As shown in fig. 1, when the bidirectional ventilation valve 10 is closed, the outdoor fresh air inlet 23, the total heat exchanger 3, the sterilization component 4, the refrigeration and heating component 5, the air supply fan 6, the silencing component 7 and the indoor air supply outlet 8 are sequentially communicated to form a fresh air inlet channel, and outdoor fresh air passes through the air inlet channel, is subjected to multi-stage filtration, sterilization and temperature regulation and then enters the room; the indoor return air inlet 93, the total heat exchanger 3, the exhaust fan 113 and the outdoor exhaust outlet 111 sequentially form an exhaust channel, indoor dirty air is exhausted through the exhaust channel, and the fresh air inlet channel and the exhaust channel form an external circulation air duct.

As shown in fig. 1, the outdoor fresh air inlet 2, the indoor supply air outlet 83, the indoor return air inlet 93 and the outdoor exhaust outlet 111 are all pipe joints in a round sky and square earth, and it should be understood that the pipe diameters of the indoor supply air outlet 83 and the indoor return air inlet 93 can be changed arbitrarily according to different indoor supply air volumes or different indoor air exchange volumes required indoors, and the structure is novel and practical, and is convenient to install and put into production.

The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.

Claims

1. The utility model provides a fresh air conditioning unit with sterilization function, includes casing (1), its characterized in that: one end of the shell (1) is provided with a fresh air filtering section (2) and an air exhaust section (11), and the other end is provided with an indoor return air filtering section (9) and an indoor air supply section (8); a total heat exchange section (3), a sterilization component (4), a refrigeration and heating component (5), an air supply fan (6) and a silencing component (7) are sequentially arranged in the shell (1); wherein an electric ventilation valve (10) is arranged between the indoor return air filtering section (9) and the sterilization component (4); the indoor air supply section (8) comprises an air supply filter screen (81), an air supply flange (82) and an indoor air supply outlet (83) which are arranged in sequence; the indoor return air filtering section (9) comprises a return air filtering screen (91), a return air flange (92) and an indoor return air inlet (93) which are arranged in sequence; the air exhaust section (11) comprises an air exhaust fan (113), an air exhaust flange (112) and an outdoor air outlet (111) which are arranged in sequence; the fresh air filtering section (2) comprises a fresh air port (23), a fresh air flange (22) and a fresh air filtering net (21) which are matched with each other.

2. The fresh air conditioning unit with the sterilization function as claimed in claim 1, wherein: the sterilization component (4) comprises a photocatalyst filter screen (41) and an ultraviolet lamp (42) which are arranged in sequence.

3. The fresh air conditioning unit with the sterilization function as claimed in claim 1, wherein: the total heat exchange section (3) is a rotary wheel type total heat exchanger; the electric ventilation valve (10) is a two-way ventilation valve.

4. The fresh air conditioning unit with the sterilization function as claimed in claim 1, wherein: fresh air filter screen (21), air supply filter screen (81) and return air filter screen (91) pass through the buckle joint in the side of casing (1).

5. The fresh air conditioning unit with the sterilization function as claimed in claim 1, wherein: the air supply filter screen (81) is of a multi-stage filter structure.

6. The fresh air conditioning unit with the sterilization function as claimed in claim 1, wherein:

the air supply fan (6) and the air exhaust fan (113) are both direct current fans.