Efficient, energy-saving and high-comfort air conditioner fresh air system capable of preventing microbial airborne propagation

Abstract

The utility model discloses an efficient, energy-saving and high-comfort air-conditioning fresh air system capable of preventing airborne propagation of microorganisms, which comprises a combined fresh air handling unit and an air pipe pipeline system communicated with the combined fresh air handling unit, and an air pipe pipeline comprises an air supply pipe, an air return pipe, a fresh air pipe and an exhaust pipe. The combined fresh air handling unit comprises a machine shell, a purification assembly, a first heat recovery heat pipe, a surface air cooler, an air feeder, a second heat recovery heat pipe and an exhaust fan, the purification assembly, the first heat recovery heat pipe, the surface air cooler, the air feeder, the second heat recovery heat pipe and the exhaust fan are arranged in the machine shell, a ventilation cavity is formed in the machine shell and divided into a first cavity located on the lower portion and a second cavity located on the upper portion through a partition plate, and the first heat recovery heat pipe is located in the first cavity. The second heat recovery heat pipe is located in the second cavity, and the first heat recovery heat pipe communicates with the second heat recovery heat pipe and is used for achieving heat exchange and energy recovery. According to the utility model, the first heat recovery heat pipe is additionally arranged in the first cavity, and the second heat recovery heat pipe is additionally arranged in the second cavity, so that waste heat discharged from a room can be reused, the energy consumption is effectively reduced, and the carbon emission is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of air-conditioning equipment, and in particular to a high-comfort air-conditioning fresh air system which is efficient, energy-saving and prevents the air transmission of microorganisms. Background Art

[0002] The air conditioning fresh air system is an efficient, environmentally friendly and comfortable indoor air treatment system that can significantly improve indoor air quality and improve people's quality of life.

[0003] As people's requirements for indoor air quality increase, fresh air systems will be used in more fields, and higher requirements will be placed on air-conditioning fresh air systems. Among them, reducing energy consumption and reducing carbon emissions have become issues that need to be urgently addressed by air-conditioning fresh air systems. Utility Model Content

[0004] The purpose of this application is to provide a high-comfort air conditioning and fresh air system that is energy-efficient and prevents the spread of microorganisms through the air. By setting a first heat recovery heat pipe and a second heat recovery heat pipe, the air conditioning and fresh air system can effectively reduce energy consumption and carbon emissions without additional energy consumption. The specific scheme is as follows:

[0005] A highly efficient and energy-saving high-comfort air conditioning fresh air system that prevents airborne transmission of microorganisms, comprising a combined fresh air unit and an air duct system connected to the combined fresh air unit, wherein the air duct system comprises an air supply duct, a return air duct, a fresh air duct and an exhaust duct, and the combined fresh air unit comprises:

[0006] A casing, wherein a ventilation cavity is formed in the casing, and the cavity is divided into a first cavity located at the bottom and a second cavity located at the top by a partition, and the casing is provided with a fresh air inlet and an air supply port connected to the first cavity, and a return air inlet and an air exhaust port connected to the second cavity, the fresh air inlet is connected to a fresh air duct for conveying outdoor fresh air to the first cavity; the air supply port is connected to the air supply duct for conveying processed air-conditioned fresh air to the air-conditioned room; the return air inlet is connected to the return air duct for returning the air in the air-conditioned room to the second cavity; the exhaust port is connected to the exhaust duct for exhausting the return air in the second cavity to the outside;

[0007] A purification component, a blower, a first heat recovery heat pipe and a surface cooler are sequentially arranged in the first cavity from the fresh air inlet to the air outlet, and the blower drives the gas to flow from the fresh air inlet through the purification component to the first heat recovery heat pipe, the surface cooler and the air outlet;

[0008] A second heat recovery heat pipe and an exhaust fan are sequentially arranged in the second cavity from the return air inlet to the exhaust outlet, and the exhaust fan is used to drive the air flow from the return air inlet to the exhaust outlet through the second heat recovery heat pipe;

[0009] The second heat recovery heat pipe is in communication with the first heat recovery heat pipe for achieving heat exchange.

[0010] Furthermore, the second heat recovery heat pipe is located above the first heat recovery heat pipe.

[0011] Furthermore, the high-comfort air-conditioning fresh air system of the utility model also includes a regulating valve, including a first regulating valve and a second regulating valve. The first regulating valve is arranged in the fresh air duct to control the delivery volume of outdoor fresh air; the second regulating valve is arranged in the exhaust duct to control the discharge volume of return air.

[0012] Furthermore, a silencer device is also provided in the combined fresh air unit, and the silencer device includes a first silencer device and a second silencer device, the first silencer device is arranged in the first cavity, close to the air supply port, and the second silencer device is arranged in the second cavity, close to the return air inlet.

[0013] Furthermore, a muffler is also provided on the air duct, and the muffler includes a first muffler and a second muffler, the first muffler is provided on the air supply duct, and the second muffler is provided on the air return duct.

[0014] Furthermore, the high-comfort air conditioning fresh air system of the utility model also includes fire dampers, which are respectively arranged on the supply air duct and the return air duct.

[0015] Furthermore, the air blower is also provided with a nanophoton purifier for sterilizing and purifying the air.

[0016] Furthermore, a humidifier is also provided at the surface cooler for humidifying the dry air.

[0017] Furthermore, the purification component includes a primary air filter, a medium-efficiency air filter and an electrostatic dust removal filter.

[0018] Furthermore, the casing is provided with a plurality of inspection doors.

[0019] The beneficial effect of the utility model is as follows: the utility model achieves the purpose of heat exchange by adding a first heat recovery heat pipe in the first cavity, adding a second heat recovery heat pipe in the second cavity, and connecting the first heat recovery heat pipe with the second heat recovery heat pipe. When the return air in the second cavity flows through the second heat recovery heat pipe, the heat is transferred to the second heat recovery heat pipe. The second heat recovery heat pipe transfers the heat to the first heat recovery heat pipe located in the first cavity, and then the fresh air flowing through is preheated or precooled in advance through the first heat recovery heat pipe, which can effectively reduce energy consumption and reduce carbon emissions. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of a high-comfort air conditioning fresh air system of the utility model that is efficient, energy-saving and prevents the airborne transmission of microorganisms;

[0021] Numbers in the figure: 11, casing; 111, first cavity; 112, second cavity; 1111, fresh air inlet; 1112, supply air outlet; 1121, return air inlet; 1122, exhaust outlet; 12, purification component; 13, first heat recovery pipe; 15, surface cooler; 13, supply air fan; 16, second heat recovery pipe; 17, exhaust fan; 181, first silencer; 182, second silencer; 21, supply air duct; 22, return air duct; 23, fresh air duct; 24, exhaust duct; 31, first regulating valve; 32, second regulating valve; 41, first muffler; 42, second muffler; 5, fire damper. DETAILED DESCRIPTION

[0022] 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.

[0023] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0024] like Figure 1As shown, this embodiment provides a high-comfort air-conditioning fresh air system that is efficient, energy-saving and prevents the spread of microorganisms through the air, including a combined fresh air unit and an air duct system connected to the combined fresh air unit, the air duct system including a supply air duct, a return air duct, a fresh air duct and an exhaust air duct, the combined fresh air unit includes a casing 11 and a purification component 12, a supply air fan 13, a first heat recovery heat pipe 14, a surface cooler 15, a second heat recovery heat pipe 16, and an exhaust fan 17 arranged in the casing 11. Specifically, a ventilation cavity is formed in the housing 11, and the cavity is divided into a first cavity 111 located at the bottom and a second cavity 112 located at the top by a partition. A fresh air inlet 1111 and an air outlet 1112 connected to the first cavity 111 are provided on the housing 11. The fresh air inlet 1111 and the air outlet 1112 are located on both sides of the housing 11. A purification component 12, a blower 13, a first heat recovery heat pipe 14 and a surface cooler 15 are sequentially arranged between the fresh air inlet 1111 and the air outlet 1112. The blower 13 is used to drive the air flow from the fresh air inlet 1111 through the purification component 12 to the A first heat recovery heat pipe 14, a surface cooler 15, and an air supply port 1112; in addition, a return air inlet 1121 and an exhaust port 1122 connected to the second cavity 112 are provided on the casing 11, and a second heat recovery heat pipe 16 and an exhaust fan 17 are sequentially arranged between the return air inlet 1121 and the exhaust port 1122. The exhaust fan 17 is used to drive the air flow from the return air inlet 1121 to the exhaust port 1122 through the second heat recovery heat pipe 16. The second heat recovery heat pipe 16 is connected to the first heat recovery heat pipe 14 for heat exchange, and the second heat recovery heat pipe 16 is located above the first heat recovery heat pipe 14. Furthermore, the fresh air inlet 1111 is connected to the fresh air duct 23, the air supply outlet 1112 is connected to the air supply duct 21, the return air inlet 1121 is connected to the return air duct 22, and the exhaust outlet 1122 is connected to the exhaust duct 24. Thus, outdoor fresh air is transported to the fresh air inlet 1111 of the first cavity 111 through the fresh air duct 23, and is sequentially processed by the purification component 12, the first heat recovery heat pipe 14 and the surface cooler 15 in the first cavity 111, and then transported to each air-conditioned room by the air supply duct 21; the dirty air in each air-conditioned room is transported to the return air inlet 1121 of the second cavity 112 by the return air duct 22, and is discharged by the exhaust pipe 24 after passing through the second heat recovery heat pipe 16, thereby realizing the renewal exchange of indoor and outdoor air through circulation. It should be noted here that: in this embodiment, the fresh air inlet 1111 and the exhaust port 1122 are respectively located on both sides of the casing 11, which can prevent the indoor air discharged from the exhaust port 1122 from directly entering the air conditioning unit from the fresh air inlet 1111, thereby affecting the quality of the fresh air.

[0025] The embodiment of the utility model enables the waste heat discharged from the air-conditioned room to be reused by setting the first heat recovery heat pipe 14 and the second heat recovery heat pipe 16, which can effectively reduce energy consumption and carbon emissions. Specifically, when the waste gas discharged from the air-conditioned room flows through the second heat recovery heat pipe, the heat is transferred to the second heat recovery heat pipe, and the second heat recovery heat pipe transfers the heat to the first heat recovery heat pipe located in the first cavity, and then the fresh air flowing through is preheated or precooled in advance by the first heat recovery heat pipe, and then the fresh air flowing through is heated or cooled by the surface cooler 15, so as to realize the reuse of the waste heat discharged from the air-conditioned room and achieve the purpose of high efficiency and energy saving.

[0026] Specifically, the purification component 12 includes a primary air filter 121, a medium-efficiency air filter 122 and an electrostatic dust filter 123. Among them, 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. Further, a nanophoton purifier is also provided on the rear side of the air blower 13 for further sterilization and purification of the air, improving the quality of indoor air, and avoiding the spread of germs to the room through the air conditioning unit when an epidemic or other similar situations occurs, thereby improving safety. Further, a humidifier is also provided on the rear side of the surface cooler 15 for humidifying the air treated by the surface cooler 15 to avoid excessive dryness of the indoor air in winter, so as to improve the user's comfort. Optionally, the humidifier is a wet film humidifier, and of course it can also be other spray humidifiers.

[0027] Furthermore, in order to improve the heat exchange efficiency between the first heat recovery heat pipe 14 and the second heat recovery heat pipe 16 , in this embodiment, the first heat recovery heat pipe 14 and the second heat recovery heat pipe 16 are both of a warped-fin structure.

[0028] Furthermore, in order to adjust the air intake and return air volumes of the room so that the room supply air volume is greater than the return air volume, this embodiment is provided with a first regulating valve 31 on the fresh air duct 23 for controlling the delivery volume of outdoor fresh air, and a first regulating valve 31 is provided on the exhaust duct 24 for controlling the discharge volume of return air.

[0029] Furthermore, in order to reduce the noise generated by the system, a first silencer 181 and a second silencer 182 are provided in the combined fresh air unit. The first silencer 181 is provided in the first cavity 111, near the air supply port 1112, and the second silencer 182 is provided in the second cavity 112, near the return air inlet 1121. Furthermore, in order to further process the noise and reduce the noise in the air-conditioned room, the present embodiment is provided with a first silencer 41 on the air supply duct 21, and a second silencer 42 on the return air duct 22, for noise reduction processing of the noise in the air duct.

[0030] Furthermore, in order to improve the safety of the system, a fire damper 5 is further provided on the air duct in this embodiment. Specifically, the fire damper 5 is provided on the air supply duct 21 and the air return duct 22 respectively.

[0031] Furthermore, in order to facilitate maintenance of the equipment in the combined fresh air unit, a plurality of inspection doors are provided on the casing 11 of the present embodiment.

[0032] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A highly efficient and energy-saving high-comfort air conditioning fresh air system that prevents airborne transmission of microorganisms, comprising a combined fresh air unit and an air duct system connected to the combined fresh air unit, wherein the air duct comprises an air supply pipe (21), a return air pipe (22), a fresh air pipe (23) and an exhaust pipe (24), characterized in that: The combined fresh air unit includes: A housing (11), wherein a ventilation cavity is formed in the housing (11), and the cavity is divided into a first cavity (111) located at the bottom and a second cavity (112) located at the top by a partition plate, and the housing (11) is provided with a fresh air inlet (1111) and an air supply port (1112) connected to the first cavity (111), and a return air inlet (1121) and an air exhaust port (1122) connected to the second cavity (112), and the fresh air inlet (1111) and the return air outlet (1122) are connected to the first cavity (111). The first cavity (111) is connected to the fresh air duct (23) for conveying outdoor fresh air to the first cavity (111); the air supply port (1112) is connected to the air supply duct (21) for conveying processed conditioned fresh air to the air-conditioned room; the return air inlet (1121) is connected to the return air duct (22) for conveying the air in the air-conditioned room back to the second cavity (112); the exhaust port (1122) is connected to the exhaust duct (24) for discharging the return air in the second cavity (112) to the outside; A purification component (12), a blower (13), a first heat recovery heat pipe (14) and a surface cooler (15) are sequentially arranged in the first cavity (111) from the fresh air inlet (1111) to the air outlet (1112); the blower (13) drives the gas to flow from the fresh air inlet (1111) through the purification component (12) to the first heat recovery heat pipe (14), the surface cooler (15) and the air outlet (1112); A second heat recovery heat pipe (16) and an exhaust fan (17) are sequentially arranged in the second cavity (112) from the return air inlet (1121) to the exhaust outlet (1122); the exhaust fan (17) is used to drive the air flow from the return air inlet (1121) to the exhaust outlet (1122) through the second heat recovery heat pipe (16); The second heat recovery heat pipe (16) is in communication with the first heat recovery heat pipe (14) for achieving heat exchange.

2. The high comfort air conditioning fresh air system according to claim 1, characterized in that: The second heat recovery heat pipe (16) is located above the first heat recovery heat pipe (14).

3. The high comfort air conditioning fresh air system according to claim 1, characterized in that: It also includes regulating valves, including a first regulating valve (31) and a second regulating valve (32), wherein the first regulating valve (31) is arranged on the fresh air duct (23) and is used to control the delivery volume of outdoor fresh air; and the second regulating valve (32) is arranged on the exhaust duct (24) and is used to control the discharge volume of return air.

4. The high comfort air conditioning fresh air system according to claim 1, characterized in that: A silencer device is also provided in the combined fresh air unit, and the silencer device comprises a first silencer device (181) and a second silencer device (182), wherein the first silencer device (181) is provided in the first cavity (111) and is close to the air supply port (1112), and the second silencer device (182) is provided in the second cavity (112) and is close to the return air inlet port (1121).

5. The high comfort air conditioning fresh air system according to claim 1, characterized in that: A silencer is also provided on the air duct, and the silencer comprises a first silencer (41) and a second silencer (42), wherein the first silencer (41) is provided on the air supply duct (21), and the second silencer (42) is provided on the air return duct (22).

6. The high comfort air conditioning fresh air system according to claim 1, characterized in that: It also includes a fire damper (5), which is respectively arranged on the air supply pipe (21) and the air return pipe (22).

7. The high comfort air conditioning fresh air system according to claim 1, characterized in that: The air blower (13) is also provided with a nanophoton purifier for sterilizing and purifying the air.

8. The high comfort air conditioning fresh air system according to claim 1, characterized in that: The surface cooler (15) is also provided with a humidifier for humidifying the dry air.

9. The high comfort air conditioning fresh air system according to claim 1, characterized in that: The purification component (12) comprises a primary air filter (121), a medium-efficiency air filter (122) and an electrostatic dust removal filter (123).

10. The high comfort air conditioning fresh air system according to claim 1, characterized in that: The casing (11) is provided with a plurality of inspection doors.

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