Purifier in front of return air inlet of central air conditioner

Abstract

The utility model discloses a front purifier for a return air inlet of a central air conditioner. The front purifier comprises a fixed frame and a purifying part, and the purification part is fixed in the fixed frame. The purifier in front of the return air inlet of the central air conditioner is simple in structure, the purifier only needs to be connected to the inner side of the external return air inlet in a clamped mode, external air is sucked in from the return air inlet through the fan in the central air conditioner, then the entering air is purified through the purifying part, the pollution degree of indoor air is reduced, and the indoor environment is protected. Microorganisms are prevented from being dispersed through air conditioner circulating air, and the risk of cross infection is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of air purification, and particularly relates to a purifier in front of the return air outlet of a central air conditioner. Background Art

[0002] A central air conditioning system consists of one or more cold and heat source systems and multiple air conditioning systems. Different from traditional refrigerant air conditioners, this system centrally processes air to meet comfort requirements. It uses the principle of liquid gasification refrigeration to provide the required cooling capacity for the air conditioning system to offset the heat load of the indoor environment; the heating system provides the required heat for the air conditioning system to offset the cooling and heating loads of the indoor environment. The air supply outlet and the return air outlet are both important components of the central air conditioner.

[0003] Currently, generally only louvers are installed in front of the return air outlet of the central air conditioner for decoration, and the air cannot be filtered or sterilized. Over time, it will cause certain harm to the human body. Content of the Utility Model

[0004] The purpose of the utility model is to provide a purifier in front of the return air outlet of a central air conditioner.

[0005] The purifier in front of the return air outlet of the central air conditioner provided by the utility model includes a fixed frame and a purification part; the purification part is fixed in the fixed frame.

[0006] Preferably, the purification part includes multiple groups of bearing rings (5) and purification particles (6); each of the bearing rings (5) is filled with the purification particles (6).

[0007] Preferably, the purification particles (6) are photocatalyst particles.

[0008] Preferably, the purification particles (6) are activated carbon particles.

[0009] Preferably, two adjacent bearing rings (5) are adjacent and fixed to each other, so that their matrix distribution is in a honeycomb shape.

[0010] Preferably, the fixed frame includes a first side plate (1), a second side plate (2), a third side plate (3) and a fourth side plate (4); the first side plate (1), the second side plate (2), the third side plate (3) and the fourth side plate (4) are connected end to end to form a rectangular frame structure; multiple groups of the bearing rings (5) are all fixed in the fixed frame.

[0011] Preferably, edge strips are fixed on the outer walls of the first side plate (1), the second side plate (2), the third side plate (3) and the fourth side plate (4). Those skilled in the art can understand that the edge strips are used for detachable connection with the external return air outlet.

[0012] Preferably, the purification part further includes a first filter screen; the first filter screen is arranged on one side of the fixed frame; the four sides of the first filter screen are respectively fixed to the first side plate (1), the second side plate (2), the third side plate (3) and the fourth side plate (4).

[0013] Preferably, the purification part further includes a second filter screen; the second filter screen is arranged on the other side of the fixed frame; the four sides of the second filter screen are respectively fixed to the first side plate (1), the second side plate (2), the third side plate (3) and the fourth side plate (4).

[0014] Preferably, the purification part further includes an ultraviolet lamp assembly; the ultraviolet lamp assembly is arranged on one side of the purification part; the ultraviolet lamp assembly is fixed inside the external air return opening and can irradiate the purification part; the ultraviolet lamp assembly is electrically connected to an external power supply.

[0015] The advantages of the central air-conditioning air return opening front purifier provided by the present utility model compared with the prior art are as follows:

[0016] 1. Simple structure and convenient installation;

[0017] 2. The honeycomb-shaped purification part has a large exposed area of the purification particles filled inside, thereby improving the filtering or sterilization effect;

[0018] 3. Under the radiation of ultraviolet light, the purification particles will degrade bacteria or viruses in the air, thereby reducing the risk of cross-infection;

[0019] 4. The radiation of the ultraviolet lamp will perform secondary killing on bacteria or microorganisms in the air, thereby further improving the purification effect. Description of the Drawings

[0020] Figure 1 is a schematic structural diagram of the first perspective of the central air-conditioning air return opening front purifier provided by the present utility model;

[0021] Figure 2 is a schematic structural diagram of the second perspective of the central air-conditioning air return opening front purifier provided by the present utility model;

[0022] Figure 3 is Figure 2 an enlarged structural diagram of part A in Detailed Embodiments

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] As Figures 1 - 3 shown, the purifier in front of the central air-conditioning air return opening provided in this embodiment includes a fixed frame and a purification part; the purification part is fixed in the fixed frame. Those skilled in the art can understand that the purifier in front of the central air-conditioning air return opening provided in this embodiment has a simple structure. It only needs to be clamped to the external air return opening, and the external air is sucked in from the air return opening by the internal fan of the central air-conditioning, and then the entering air is filtered or sterilized by the purification part to reduce the pollution degree of the indoor air and also avoid the spread of microorganisms through the air circulation of the air-conditioning, reducing the risk of cross-infection. Further, the purification part includes a plurality of carrier rings 5 and purification particles 6; each carrier ring 5 is filled with the purification particles 6. Those skilled in the art can understand that the air is purified by the purification particles 6, thereby improving the air quality.

[0025] Further, the purification particles 6 are photocatalyst particles. Those skilled in the art can understand that photocatalyst particles are prior art in this field and will not be elaborated here.

[0026] Further, the purification particles 6 are activated carbon particles.

[0027] Further, two adjacent carrier rings 5 are adjacent to and fixed to each other, and their matrix distribution is in a honeycomb shape. Those skilled in the art can understand that the honeycomb structure can increase the exposed area of the purification particles 6 as much as possible without affecting ventilation, thereby improving the air filtration or sterilization effect.

[0028] Further, the fixed frame includes a first side plate 1, a second side plate 2, a third side plate 3, and a fourth side plate 4; the first side plate 1, the second side plate 2, the third side plate 3, and the fourth side plate 4 are connected end to end to form a rectangular frame structure; a plurality of carrier rings 5 are all fixed in the fixed frame.

[0029] Further, side strips (not shown in the figure) are fixed on the outer walls of the first side plate 1, the second side plate 2, the third side plate 3, and the fourth side plate 4. Those skilled in the art can understand that the side strips are used for detachable connection with the external air return opening.

[0030] Furthermore, the purification part further includes a first filter screen (not shown in the figure); the first filter screen is arranged on one side of the fixed frame; the four sides of the first filter screen are respectively fixed to the first side plate 1, the second side plate 2, the third side plate 3 and the fourth side plate 4. Those skilled in the art can understand that the first filter screen can perform the first step of filtering on the air and at the same time prevent the purification particles 6 from falling off the bearing plate.

[0031] Furthermore, the purification part further includes a second filter screen (not shown in the figure); the second filter screen is arranged on the other side of the fixed frame; the four sides of the second filter screen are respectively fixed to the first side plate 1, the second side plate 2, the third side plate 3 and the fourth side plate 4.

[0032] Furthermore, the purification part further includes an ultraviolet lamp assembly (not shown in the figure); the ultraviolet lamp assembly is arranged on one side of the purification part; the ultraviolet lamp assembly is fixed inside the external air return opening and irradiates the purification part; the ultraviolet lamp assembly is electrically connected to an external power supply. Those skilled in the art can understand that the ultraviolet lamp assembly is composed of common ultraviolet lamps, ultraviolet lamp strips or ultraviolet lamp beads. The degradation of photocatalyst particles can be accelerated by the irradiation of the ultraviolet lamp; at the same time, the radiation of the ultraviolet lamp can also kill microorganisms in the air.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A purifier before the return air outlet of a central air conditioner, characterized in that: It includes a fixing frame and a purification unit; the purification unit is fixed in the fixing frame; The purification unit comprises a plurality of groups of carrying rings (5) and purification particles (6); each of the carrying rings (5) is filled with the purification particles (6); The two carrying rings (5) are adjacent to each other and fixed to each other, so that their matrix distribution is honeycomb-shaped; The purification part also includes an ultraviolet lamp assembly; the ultraviolet lamp assembly is arranged on one side of the purification part; the ultraviolet lamp assembly is fixed on the inner side of the external return air outlet and irradiates the purification part; the ultraviolet lamp assembly is electrically connected to an external power supply.

2. The central air conditioner return air outlet purifier according to claim 1, characterized in that: The purified particles (6) are photocatalyst particles or activated carbon particles.

3. The central air conditioner return air outlet purifier according to claim 2, characterized in that: The fixing frame comprises a first side plate (1), a second side plate (2), a third side plate (3) and a fourth side plate (4); the first side plate (1), the second side plate (2), the third side plate (3) and the fourth side plate (4) are connected end to end to form a rectangular frame structure; and a plurality of groups of the bearing rings (5) are fixed in the fixing frame.

4. The central air conditioner return air outlet purifier according to claim 3, characterized in that: The outer walls of the first side plate (1), the second side plate (2), the third side plate (3) and the fourth side plate (4) are all fixed with edge strips.

5. The central air conditioner return air outlet purifier according to claim 4, characterized in that: The purification unit further comprises a first filter screen; the first filter screen is arranged on one side of the fixing frame; the first filter screen is respectively fixed around the first side plate (1), the second side plate (2), the third side plate (3) and the fourth side plate (4).

6. The central air conditioner return air outlet purifier according to claim 5, characterized in that: The purification unit also includes a second filter screen; the second filter screen is arranged on the other side of the fixing frame; the fourth sides of the second filter screen are respectively fixed to the first side plate (1), the second side plate (2), the third side plate (3) and the fourth side plate (4).

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