CN220229407U - Purifying and sterilizing central air conditioner - Google Patents

Abstract

The utility model relates to the technical field of air conditioning equipment, in particular to a purifying and sterilizing type central air conditioner which comprises a shell, an active carbon double-layer primary filter, a photocatalysis medium-effect filter, a plasma ionization device and an ozone catalytic decomposition high-efficiency filter, wherein fresh air enters the shell through the active carbon double-layer filter and is mixed with indoor return air in a fresh air mixing and filtering device, mixed air passes through the device, dust and sundries are filtered out, secondary filtration is carried out through the photocatalysis medium-effect filter, smaller dust and sundries are filtered out, a large amount of effective microorganisms are killed, and the plasma ionization device is used for sterilizing, and finally the air is sent into the ozone catalytic decomposition high-efficiency filter of an air outlet to filter out ozone in the air, so that the air is purified and sterilized, and is sent into each room, and the problem that the existing air conditioning equipment cannot meet the air quality requirement and is inconvenient to use is solved.

Description

A purification and disinfection type central air conditioner

Technical field

The utility model relates to the technical field of air conditioning equipment, in particular to a purification and disinfection type central air conditioner.

Background technique

At present, many public buildings in China have simplified filtration devices in order to save investment and reduce operating costs. Most air conditioning systems only have one coarse-efficiency filter. In order to save floor space and facilitate design and construction, a combination of various brands is used. The filters configured in air conditioning units are also crude, which is quite common in some older air conditioning buildings. The primary filter can only effectively filter out large particles, which is obviously not enough to meet indoor air quality requirements. Low filtration efficiency is also the main reason why bacteria and other microorganisms breed on wet surfaces such as surface coolers, water baffles, and water collection trays in air-conditioning boxes. The air-conditioning equipment itself also becomes a source of pollution, leading to the deterioration of indoor air quality. Therefore, a An air conditioning equipment capable of disinfecting and purifying the air.

Utility model content

The purpose of this utility model is to provide a purification and disinfection type central air conditioner, aiming to solve the problem that existing air conditioning equipment cannot meet the demand for air quality and is inconvenient to use.

In order to achieve the above purpose, the utility model provides a purification and disinfection type central air conditioner, which includes a housing, an activated carbon double-layer primary effect filter, a photocatalytic medium effect filter, a plasma ionization device and an ozone catalytic decomposition high efficiency filter. The shell is provided with a return air outlet, a fresh air outlet and an air inlet. The activated carbon double-layer primary filter includes a double-layer filter and an automatic winding device. The photocatalytic medium-efficiency filter includes an ultraviolet lamp and a photocatalytic filter. The plasma ionization device includes a power supply device and a discharge medium tube;

The double-layer filter is disposed on the side of the housing close to the return air outlet, the automatic winding device is disposed on the side of the housing close to the double-layer filter, and the ultraviolet lamp tube and the The housing is connected and located on one side of the housing, the photocatalytic filter is provided on the side of the ultraviolet lamp tube, the power supply device is provided on the side of the housing close to the ultraviolet lamp tube, and the The discharge medium tube is arranged on the side of the power supply device, and the ozone catalytic decomposition high-efficiency filter is arranged on the side close to the air inlet.

Wherein, the purification and disinfection type central air conditioner further includes an air blower, and the air blowers are respectively arranged on the sides of the fresh air outlet and the return air outlet.

Wherein, the purification and disinfection type central air conditioner also includes a preheating section, a surface cooling section, a humidification section and a reheating section. The surface cooling section is arranged on the side of the housing close to the power supply device. The surface cooling section The reheating section is provided on the side of the housing close to the preheating section, the humidification section is provided on the side of the housing close to the surface cooling section, and the reheating section is provided on the side of the housing close to the humidification section. one side.

This utility model is a purification and disinfection type central air conditioner. The double-layer filter can effectively filter airborne pollen, dust mites, fibers and other particulate matter. The removal efficiency can reach more than 99.7%. It is mainly aimed at the purification of national standard PM2.5 and comprehensively To prevent secondary pollution, the double-layer filter is mainly used to remove odors and absorb harmful gases such as formaldehyde and ammonia. The double-layer filter can be detached from the automatic winding device for easy replacement and cleaning; the ultraviolet ray The lamp provides ultraviolet light with a wavelength of 254nm for the TiO2 photocatalytic filter. The ultraviolet lamp can destroy the cell structure of viruses, germs and other microorganisms, thereby achieving the inactivation effect, and the ultraviolet lamp is in the photocatalytic state. There are distributions on the front and back of the filter, which can not only fully sterilize ultraviolet light, but also uniformly and fully irradiate ultraviolet rays on the photocatalytic filter, so that it can carry out efficient filtration and sterilization, and the designed three-dimensional mesh structure of the filter The net can increase the gap (generally greater than 96%), increase the contact area with the air, and has small resistance to air circulation, which can improve the air purification efficiency; the discharge medium tube has a central circular structure, and the high-voltage electrode is rolled into a cylinder The shape is closely attached to the inner wall of the discharge medium tube and fixed inside the discharge medium tube, thereby ensuring that the high-voltage electrode is not exposed, improving the safety of the sterilization process, and also increasing the discharge area and discharge uniformity, and based on the medium Barrier discharge plasma sterilization technology, the outer surface of the discharge medium tube will form a surface dielectric barrier discharge, ionize the local air into plasma, and use the active groups and charged particle effects of the plasma to kill harmful microorganisms, achieving Sterilization effect; the ozone catalytic decomposition high-efficiency filter can effectively eliminate residual ozone generated due to plasma sterilization to avoid spreading into the air and causing harm to the human body; when in use, fresh air enters the activated carbon double-layer filter through the activated carbon double-layer filter. In the shell, the return air from the room is mixed in the new return air mixing and filtering device. The mixed air passes through the device to filter out dust and debris, and then passes through the photocatalytic medium-efficiency filter for secondary filtration. Smaller dust and debris and kill a large number of effective microorganisms. Then it is further sterilized by the plasma ionization device, and finally the air is sent to the ozone catalytic decomposition high-efficiency filter of the air outlet to filter out the ozone in the air. At this point, the air is purified and disinfected and is sent to the pipeline connected In each room, it solves the problem that existing air conditioning equipment cannot meet the needs of air quality and makes it inconvenient to use.

Description of drawings

In order to more clearly explain the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly introduced below.

Figure 1 is a schematic diagram of the overall structure of a purification and disinfection type central air conditioner of the present invention.

Figure 2 is an overall front view of a purification and disinfection type central air conditioner of the present invention.

Figure 3 is a schematic structural diagram of a plasma ionization device of a purification and disinfection type central air conditioner according to the present invention.

101-Shell, 102-Activated carbon double-layer primary filter, 103-Photocatalytic medium-efficiency filter, 104-Plasma ionization device, 105-Ozone catalytic decomposition high-efficiency filter, 106-Return air outlet, 107-Fresh air outlet, 108 -Air inlet, 109-double-layer filter, 110-automatic winding device, 111-UV lamp, 112-photocatalytic filter, 113-power supply device, 114-discharge medium tube, 115-air blower, 116-preheating section, 117-surface cooling section, 118-humidification section, 119-reheating section.

Detailed ways

Please refer to Figures 1 to 3. Figure 1 is a schematic structural diagram of the entire purification and disinfection type central air conditioner of the present invention. Figure 2 is an overall front view of the purification and disinfection type central air conditioner of the present invention. Figure 3 is a schematic diagram of the overall structure of the purification and disinfection type central air conditioner of the present invention. Structural diagram of a plasma ionization device for a purification and disinfection type central air conditioner of the utility model.

The utility model is a purification and disinfection type central air conditioner, which includes a housing 101, an activated carbon double-layer primary filter 102, a photocatalytic intermediate filter 103, a plasma ionization device 104, an ozone catalytic decomposition high-efficiency filter 105, a blower 115, Preheating section 116, surface cooling section 117, humidification section 118 and reheating section 119. The housing 101 is provided with a return air outlet 106, a fresh air outlet 107 and an air inlet 108. The activated carbon double-layer primary filter 102 includes a double-layer Filter 109 and automatic winding device 110. The photocatalytic medium-efficiency filter 103 includes an ultraviolet lamp tube 111 and a photocatalytic filter 112. The plasma ionization device 104 includes a power supply device 113 and a discharge medium tube 114. Through the aforementioned solution It solves the problem that existing air conditioning equipment cannot meet the demand for air quality and makes it inconvenient to use.

For this specific embodiment, the double-layer filter 109 is provided on the side of the housing 101 close to the return air outlet 106 , and the automatic winding device 110 is provided on the housing 101 close to the double-layer filter 109 On one side of the ultraviolet lamp tube 111, the ultraviolet lamp tube 111 is connected to the housing 101 and is located on one side of the housing 101. The photocatalytic filter 112 is provided on the side of the ultraviolet lamp tube 111. The power supply device 113 is disposed on the side of the housing 101 close to the ultraviolet lamp tube 111, the discharge medium tube 114 is disposed on the side of the power supply device 113, and the ozone catalytic decomposition high-efficiency filter 105 is disposed close to the inlet. On one side of the air outlet 108, the double-layer filter 109 can effectively filter airborne pollen, dust mites, fibers and other particulate matter, with a removal efficiency of more than 99.7%. It is mainly aimed at the purification of national standard PM2.5 and comprehensively eliminates secondary pollution. The double-layer filter 109 is mainly used to remove odors and absorb harmful gases such as formaldehyde and ammonia. The double-layer filter 109 can be detached from the automatic winding device 110 to facilitate replacement and cleaning; the ultraviolet lamp tube 111 is to provide ultraviolet light with a wavelength of 254nm for the TiO2 photocatalytic filter. The ultraviolet lamp tube 111 can destroy the cell structure of viruses, bacteria and other microorganisms, thereby achieving the inactivation effect, and the ultraviolet lamp tube 111 is in the light state. The catalytic filter 112 is distributed on the front and back, which can not only fully sterilize ultraviolet light, but also uniformly and fully irradiate ultraviolet rays on the photocatalytic filter, so that it can perform high-efficiency filtration and sterilization, and the designed three-dimensional mesh structure The filter screen can increase the gap (generally greater than 96%), increase the contact area with the air, and have small resistance to air circulation, which can improve the air purification efficiency; the discharge medium tube 114 has a central circular structure, and the high-voltage electrode Rolled into a cylinder shape, it closely adheres to the inner wall of the discharge medium tube 114 and is fixed inside the discharge medium tube 114. This ensures that the high-voltage electrode is not exposed, improves the safety of the sterilization process, and increases the discharge area and uniformity of discharge. property, and based on dielectric barrier discharge plasma sterilization technology, the outer surface of the discharge dielectric tube 114 will form a surface dielectric barrier discharge, ionizing the local air into plasma, and utilizing the active groups and charged particle effects of the plasma to eliminate harmful Microorganisms are killed to achieve the sterilization effect; the ozone catalytic decomposition high-efficiency filter 105 can effectively eliminate the residual ozone generated due to plasma sterilization to avoid spreading into the air and causing harm to the human body; during use, fresh air passes through the activated carbon The double-layer filter enters the housing 101 and is mixed with the return air from the room in the new return air mixing and filtering device. The mixed air passes through the device to filter out dust and debris, and then passes through the photocatalytic medium-efficiency filter. Device 103 performs secondary filtration to filter out smaller dust and debris and kill a large number of effective microorganisms. Then it is further sterilized by the plasma ionization device 104, and finally the air is sent to the ozone catalytic decomposition high-efficiency filter 105 of the air outlet to filter out the ozone in the air. At this point, the air is purified and disinfected and sent to the pipeline. Each connected room solves the problem that existing air conditioning equipment cannot meet the air quality requirements and makes use inconvenient.

Among them, the air blowers 115 are respectively disposed on the sides of the fresh air outlet 107 and the return air outlet 106, and the sterilized air is sent to the ozone catalytic decomposition high-efficiency filter 105 of the air outlet through the air blower 115. Filter within.

Secondly, the surface cooling section 117 is provided on the side of the housing 101 close to the power supply device 113. The surface cooling section 117 is provided on the side of the housing 101 close to the preheating section 116. The humidification The section 118 is provided on the side of the housing 101 close to the surface cooling section 117 , and the reheating section 119 is provided on the side of the housing 101 close to the humidification section 118 . The plasma ionization device 104 further After sterilization, the air is cooled or heated through the surface cooling section 117 or the preheating section 116 to make the air reach the required temperature point, and then humidified through the humidifying section 118 until the humidity requirement required by the system is reached. Specified air supply status point.

The utility model describes a purification and disinfection type central air conditioner. The double-layer filter 109 can effectively filter airborne pollen, dust mites, fibers and other particulate matter. The removal efficiency can reach more than 99.7%. It is mainly aimed at the national standard PM2.5. Purify and completely eliminate secondary pollution. The double-layer filter 109 is mainly used to remove odors and adsorb harmful gases such as formaldehyde and ammonia. The double-layer filter 109 can be detached from the automatic winding device 110 to facilitate Replace and clean; the ultraviolet lamp 111 provides ultraviolet light with a wavelength of 254nm for the TiO2 photocatalytic filter. The ultraviolet lamp 111 can destroy the cell structure of viruses, bacteria and other microorganisms, thereby achieving the inactivation effect, and the The ultraviolet lamps 111 are distributed on the front and back of the photocatalytic filter 112, which can not only fully sterilize the ultraviolet light, but also uniformly and fully irradiate the ultraviolet rays on the photocatalytic filter, so that it can perform high-efficiency filtration and sterilization. , and the designed three-dimensional mesh structure filter can increase the gap (generally greater than 96%), increase the contact area with the air, and have small resistance to air circulation, which can improve the air purification efficiency; the discharge medium tube 114 It has a central circular structure. The high-voltage electrode is rolled into a cylinder shape and closely adheres to the inner wall of the discharge medium tube 114 and is fixed inside the discharge medium tube 114. This ensures that the high-voltage electrode is not exposed, improves the safety of the sterilization process, and also It can increase the discharge area and discharge uniformity, and based on the dielectric barrier discharge plasma sterilization technology, the outer surface of the discharge medium tube 114 will form a surface dielectric barrier discharge, ionizing the local air into plasma, and utilizing the activity of the plasma The effect of groups and charged particles kills harmful microorganisms and achieves a sterilization effect; the ozone catalytic decomposition high-efficiency filter 105 can effectively eliminate residual ozone generated due to plasma sterilization to avoid spreading into the air and causing harm to the human body; in When in use, fresh air enters the housing 101 through the activated carbon double-layer filter, and is mixed with the return air from the room in the new return air mixing and filtering device. The mixed air passes through the device to filter out dust and debris, and then Secondary filtration is performed through the photocatalytic medium-efficiency filter 103 to filter out smaller dust and debris and kill a large number of effective microorganisms. Then it is further sterilized by the plasma ionization device 104, and then cooled or heated by the surface cooling section 117 or the preheating section 116 to make the air reach the required temperature point, and then humidified by the humidification section 118. When the humidity requirement required by the system reaches the designated air supply state point, it is sent to the ozone catalytic decomposition high-efficiency filter 105 of the air outlet through the air blower 115 for filtration. At this point, the air is purified and disinfected and is It is sent into each room connected by the pipeline, thereby solving the problem that existing air conditioning equipment cannot meet the air quality requirements and makes use inconvenient.

What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Those of ordinary skill in the art can understand all or part of the processes for implementing the above embodiments, and implement them according to this application. Equivalent changes made to the claims of the application will still fall within the scope of this application.

Claims (3)

1. A central air conditioner with purification and disinfection functions is characterized in that,

the device comprises a shell, an active carbon double-layer primary filter, a photocatalysis intermediate filter, a plasma ionization device and an ozone catalytic decomposition high-efficiency filter, wherein the shell is provided with an air return port, a fresh air port and an air inlet, the active carbon double-layer primary filter comprises a double-layer filter screen and an automatic winding device, the photocatalysis intermediate filter comprises an ultraviolet lamp tube and a photocatalysis filter screen, and the plasma ionization device comprises a power supply device and a discharge medium tube;

the double-layer filter screen set up in the shell is close to one side of return air inlet, automatic winding device set up in the shell is close to one side of double-layer filter screen, ultraviolet tube with the shell is connected, and is located one side of shell, photocatalysis filter screen set up in ultraviolet tube's side, power supply unit set up in the shell is close to one side of ultraviolet tube, discharge medium tube set up in power supply unit's side, ozone catalytic decomposition high-efficient filter set up in be close to one side of air intake.

2. A central air conditioner of the type of decontamination, as set forth in claim 1, wherein,

the purification and disinfection type central air conditioner further comprises an air feeder, wherein the air feeder is respectively arranged at the side edges of the fresh air port and the return air port.

3. A central air conditioner of the type of decontamination, as set forth in claim 2, wherein,

the purification and disinfection type central air conditioner further comprises a preheating section, a surface cooling section, a humidifying section and a reheating section, wherein the surface cooling section is arranged on the side, close to the power supply device, of the shell, the surface cooling section is arranged on the side, close to the preheating section, of the shell, the humidifying section is arranged on the side, close to the surface cooling section, of the shell, and the reheating section is arranged on the side, close to the humidifying section, of the shell.