CN201020062Y - an air purifier - Google Patents

Abstract

The utility model relates to the technical field of environmental protection, in particular to an air purifier. Including the casing, the front of the casing is the air inlet grille, the control panel and the metal coarse filter, and the rear of the casing includes the easy-to-pull combined filter unit, the ultraviolet photocatalytic treatment unit, the sterilization layer of the air outlet, the air outlet and the fan . The filter unit adopts pleated nano-bamboo charcoal fiber filter, HEPA high-efficiency antibacterial dust removal filter, ULPA filter, activated carbon filter and nano-silver antibacterial net. The ultraviolet photocatalytic treatment unit is to place three U-shaped ultraviolet lamps vertically and equidistantly in a quartz glass cuboid, and the inner wall of the quartz glass is loaded with silver ion-doped granular titanium dioxide photocatalyst three times by sol-gel method. The two lamp tubes of a U-shaped tube are respectively placed in the form of concentric circles. The bacteria-removing layer at the air outlet uses a catechin filter. The motor adopts a shock absorbing device and a bracket, so that the product has lower noise, stable performance and good air purification effect.

Description

an air purifier

technical field

The utility model relates to the technical field of environmental protection, in particular to an air purifier.

Background technique

With the progress of society and the improvement of people's living standards, people pay more and more attention to their own quality of life. Air is the substance that human beings depend on for survival. The rapid development of the real estate industry has also driven the interior decoration industry. The main sources of indoor unclean air are formaldehyde, benzene and other decoration pollution in decoration materials; electromagnetic radiation in the process of household appliances, smokers' smoking smoke and kitchen fumes; dust, pollen and spores from human movement and outdoors and hair pollution; bacterial and viral pollution produced when people are sick; and chemical agent pollution commonly used in daily life. Long-term exposure of the human body to this environment can cause various diseases, and it also makes indoor air purification an inevitable requirement. Not only that, the regeneration and operation of air purifier filter materials should also fully consider various pollution sources in the air.

The front door of the current air purifier casing cannot be opened, and the filter unit is a fixed structure, so it is difficult to maintain or replace.

Contents of the invention

The purpose of the utility model is to provide an air purifier which uses pleated bamboo charcoal fiber, ULPA filter screen, ultraviolet photocatalytic treatment of polluted air and simple regeneration operation of the filter screen.

The technical problem to be solved by the utility model is to provide a filter screen using bamboo charcoal plant fiber, combined with high-efficiency HEPA (HEPA net: High Efficiency Particle Air Filter, high-efficiency air filter) & ULPA (ULPA net: Ultra Low Penetration Air Filter, ultra-efficient Air filter) filter, activated carbon fiber adsorption and ultraviolet photocatalytic treatment sterilization technology air purification system, and rational layout of titanium dioxide photocatalyst network and ultraviolet light source, fully improve the photocatalytic efficiency. And a combined filter layer is adopted. An air purification device used to remove particulate matter, volatile toxic and harmful gases, viruses and bacteria in the air.

The technical scheme of the utility model is realized in the following manner:

An air purifier mainly includes a case, a liquid crystal display located at the front of the case, an on-off key, an air volume adjustment key, and a time control key located on the right side of the liquid crystal display. There is a base at the bottom of the case, a purifier air outlet on the top of the case, a sealing layer on the upper and lower parts of the main body of the case, and a catechin antibacterial filter layer at the air outlet of the purifier in the main body of the case , the photocatalytic unit, the fan unit and the fan base are also installed in the main body of the casing. There is a front door on the front of the casing. There is a handle and an air inlet grille on the front door of the casing. Between the front door of the casing and the photocatalytic unit The room is equipped with an easy-to-pull combined structure filter unit.

The utility model is provided with a metal coarse filter screen behind the air inlet grille.

The easy-to-pull combined filter unit described in the utility model includes five compartments, which are sequentially inlaid with a pleated bamboo charcoal fiber filter layer, a HEPA high-efficiency filter layer, a ULPA filter layer, an activated carbon fiber filter layer, and a nano-silver ion antibacterial layer.

The easy-to-pull combined filter unit of the utility model is fixed inside the housing by four screws, including the frame and the handle in front of the frame.

The photocatalytic unit described in the utility model includes a quartz glass cuboid reactor, and the glass inner wall of the reactor is coated with silver ion-modified titanium dioxide photocatalysts loaded with three sol-gel methods, and the U-shaped ultraviolet lamp tubes are vertically and equidistantly placed in the reactor. At the bottom of the device, the cylindrical photocatalyst catalytic net is placed concentrically and parallel to the lamp tube.

The utility model is equipped with a catechin antibacterial filter net at the air outlet of the purifier.

The photocatalytic unit of the utility model can adopt an ultraviolet photocatalytic treatment unit or a photocatalytic reactor.

There are three U-shaped ultraviolet lamp tubes described in the utility model.

The utility model has the advantages of:

1. The structure is simple and the purification effect is good. The main pollutants in indoor air are formaldehyde, toluene, dust, germs, and other unpleasant tastes. This practical design uses pleated bamboo charcoal active fiber as the first layer of filter material, which has super adsorption and deodorization functions, can automatically adjust humidity, and can prevent mildew and antibacterial; HEPA and ULPA filters can effectively remove polluted air. The activated carbon fiber filter layer can absorb toxic and harmful gases such as formaldehyde and toluene in the polluted air, with large adsorption capacity, fast adsorption speed and good purification effect; the ultraviolet photocatalytic unit further mineralizes the toxic gases in the polluted air Harmful gas and sterilization; the catechin antibacterial filter at the outlet strengthens and purifies the air, making the air returned to the room cleaner and healthier.

2. The filter material is easy to regenerate. Bamboo charcoal fiber and activated carbon fiber can be regenerated by washing or drying, while the UV photocatalytic system has a very long service life and does not need to be regenerated. The filter unit is an easy-to-pull combined structure, which also reduces the workload of filter layer maintenance.

3. The noise is low. This practical design adopts a shock absorbing device, which greatly reduces the noise pollution generated when the system is working.

4. The rear motor does not need to be cleaned frequently. In this practical design, the turbine motor is placed at the rear of the casing, which is not easily polluted, so it does not need to be cleaned frequently, which reduces the workload of machine maintenance. In addition, the air purifier of the utility model adopts the front door of the casing which can be opened, which is convenient for maintenance.

Description of drawings

Fig. 1 is the schematic diagram of the front view of the appearance of the utility model;

Fig. 2 is the left view of Fig. 1;

FIG. 3 is a schematic top view of FIG. 1;

Fig. 4 is a schematic diagram of the cross-sectional structure of Fig. 3 along the a-a plane;

Fig. 5 is a schematic front view of the appearance of the easy-to-pull filter layer assembly;

Fig. 6 is the left side view of Fig. 5;

Figure 7 is a schematic top view of Figure 5;

Fig. 8 is the three-dimensional schematic diagram of ultraviolet generator;

Fig. 9 is a left side view of Fig. 8 .

In the figure: 1. Case; 2. Liquid crystal display; 3. Open key; 4. Air volume adjustment key; 5. Time control key; 6. Handle; 7. Air inlet grille; 8. Front door of the case; 9. Purification 10. Fan cooling outlet; 11. Main body of the casing; 12. Base; 13. Metal coarse filter; 14. Purifier air outlet; 15. Catechin antibacterial filter; 16. UV lamp; 17. Photocatalytic unit; 18. Fan unit; 19. Easy-to-pull combined structure filter unit; 20. Sealing layer; 21. Fan base; 22. Handle; 23. Screw; 24. Frame; 25. Nano silver ion antibacterial layer; 26 27. ULPA filter layer; 28. HEPA high-efficiency filter layer; 29. Bamboo charcoal fiber filter layer; 30. Quartz glass cuboid reactor; 32. Ultraviolet generator air outlet; 33. Photocatalyst net.

Detailed ways

The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

Below in conjunction with accompanying drawing, the utility model is further described.

As can be seen from Figures 1 to 9, the utility model is an air purifier for removing particulate matter, volatile toxic and harmful gases, viruses and bacteria in the air. It mainly includes a casing 1, the front part of the casing is a liquid crystal display 2, an opening key 3 located on the right side of the liquid crystal display, an air volume adjustment key 4, a time control key 5, a front door handle 6 of the casing, an air inlet grille 7, The front door of the casing 8, the upper part of the purifier 9, the cooling outlet of the fan 10, the main body of the casing 11, the base of the casing 12, the air outlet of the purifier 14, the sealing layer 20 located at the upper and lower parts of the main body 11, and the sealing layer 20 located in the main body 11 of the casing The catechin antibacterial filter screen 15, the photocatalytic unit 17, the fan unit 18, the easy-to-pull combined structure filter unit 19 and the fan base 21 at the air outlet.

See Figure 1. Fig. 1 is a schematic front view of the appearance of the purifier. It first includes a casing 1 . And the liquid crystal display screen 2 that is positioned at the upper part of the front of the casing can display the operating status of the air cleaner. 3 is the on/off control key of the air purifier, which can be used to manually control the on/off of the air purifier, 4 is the air volume adjustment key, with three levels of medium, high and low, and 5 is the time control key, which can adjust the running time of the air purifier. 6 is the front door handle. What 7 represents is the intake grille on the front door of the air cleaner.

See Figure 2. 9 represents the top of the air cleaner, including the air outlet 14, and the front display screen and the electric wires of the control buttons are also connected to the circuit by the top 9 of the air cleaner. The front door 8 of the air cleaner can be opened, so that the filter unit 19 of the easy-to-pull combined structure in the main body 11 of the cleaner can be taken out. The front portion of the casing front door 8 is an air inlet grille 7, and the rear portion is a metal coarse filter screen 13, which can preliminarily filter out larger particles in the air.

See Figure 3. FIG. 3 is a schematic top view of FIG. 1 . Air cleaner air outlet 14 is positioned at the top 9 of cleaner casing. The polluted air returns to the room from exit 14 after being purified.

See Figure 4. Fig. 4 is a schematic cross-sectional view of plane a-a. 19 is an easy-to-pull combined structure filter unit of an air cleaner, and the photocatalytic unit 17 can adopt an ultraviolet photocatalytic treatment unit or a photocatalytic reactor. The ultraviolet lamp tube 16 is a U-shaped ultraviolet lamp tube located in the photocatalytic unit 17, and 18 is the fan unit. 20 is the sealing layer material of the purifier cavity inner wall. The polluted air flows in from the metal coarse filter screen 13 and then enters the easy-to-pull combined structure filter unit 19 to be filtered, then enters the photocatalytic unit 17 to be photocatalytically treated, and finally passes through the catechin antibacterial filter screen 15 to filter from the 14 air Air comes out from the air outlet of the purifier.

Fig. 5 is a schematic front view of the appearance of the filter unit with the combined structure of the easy-to-pull filter. It includes a handle 22, four fixing screws 23, and a frame 24. The filter unit 19 adopts an easy-to-pull combined structure filter unit.

FIG. 6 is a left side view of FIG. 5 . As can be seen from Figure 6, the easy-to-pull combined structure filter unit 19 includes a pleated bamboo charcoal fiber filter layer 29, a HEPA high-efficiency filter layer 28, a ULPA filter layer 27, an activated carbon fiber filter layer 26, and a nano-silver ion antibacterial layer 25. On the frame 24 of the composite. After the filter layer is saturated with adsorption, open the front door 8, pull out the filter unit 19 with the easy-to-pull combined structure with the handle 22, and take out the filter discs that need to be regenerated for processing.

FIG. 7 is a schematic top view of FIG. 5 .

FIG. 8 is a perspective view of the ultraviolet photocatalytic unit 17 . It comprises a quartz glass cuboid reactor 30, the glass inner wall of said reactor 30 is coated with titanium dioxide photocatalyst loaded with silver ion modification for three times, also comprises three U-shaped ultraviolet lamp tubes 16, and 6 cylinders outside said lamp tube Shaped photocatalyst catalytic net 33. 32 is the air outlet of the ultraviolet generating device.

FIG. 9 is a left side view of the photocatalytic unit 17 . The U-shaped ultraviolet lamp tubes 16 are placed vertically and equidistantly on the bottom of the cuboid.

When the utility model works, the indoor polluted air is sucked into the air inlet grille 7 by the blower fan, and after preliminary purification by the metal coarse filter screen 13, it enters the easy-to-pull combined structure filter unit, passes through the pleated bamboo charcoal fiber filter layer 29, and the HEPA high-efficiency filter layer 28. After ULPA filter layer 27, activated carbon fiber filter layer 26, and nano-silver ion antibacterial layer 25, enter the ultraviolet photocatalytic unit 17 for treatment, pass through the catechin antibacterial filter screen after photocatalytic treatment and disinfection, and return to to indoors.

After the filter layer material of the easy-to-pull combined structure filter unit 19 is adsorbed and saturated, the front door of the housing can be opened directly, the screw 23 of the combined frame 24 is loosened, and the easy-to-pull combined structure unit frame 24 and the filter material to be regenerated are taken out. It can be used again after re-inserting.

Claims (8)

1. air purifier, mainly comprise a casing (1), be positioned at the forward liquid crystal display of casing (2), be positioned at the on ﹠ off switch (3) on liquid crystal display (2) the right, air quantity adjusting key (4), time control key (5), be provided with blower fan thermovent (10) at the casing rear portion, be provided with base (12) at bottom of shell, be provided with depurator air outlet (14) at the casing top, top in chassis body (11) and bottom are provided with sealant (20), depurator air outlet (14) in chassis body (11) locates to be equipped with catechin antimicrobial filtering layer (15), photocatalysis unit (17) also is housed in chassis body (11), fan unit (18) and base plate (21), it is characterized in that: be provided with Qianmen (8) in the casing front portion and on the casing Qianmen, be provided with handle (6), air inlet grid (7) is equipped with easy-to-pull combinative structure filter element (19) between casing Qianmen (8) and photocatalysis unit (17).

2. air purifier according to claim 1 is characterized in that, is provided with metal coarse filtration net (13) in the back of described air inlet grid (7).

3. air purifier according to claim 1, it is characterized in that, described easy-to-pull combination filter element (19), comprise five compartments, inlayed accordion bamboo carbon fiber filter course (29), HEPA high efficiency filter layer (28), ULPA filter course (27), NACF filter course (26), nano silver ion antibiotic layer (25) successively.

4. according to claim 1 or 3 described air purifiers, it is characterized in that described easy-to-pull combination filter element (19) is fixed on enclosure interior by four screws (23), comprises the handle (22) of framework (24) and framework front.

5. air purifier according to claim 1, it is characterized in that, described photocatalysis unit (17), comprise a quartz glass cuboid reactor (30), glass inwall at reactor scribbles sol-gal process load silver ion modified titanium dioxide photocatalyst three times, U type ultraviolet lamp tube (16) vertically equidistantly is positioned over reactor bottom, cylindrical photocatalyst catalysis net (33) and the concentric parallel placement of fluorescent tube.

6. air purifier according to claim 1 is characterized in that, at described depurator air outlet place theine antibiotic filter screen (15) together is housed.

7. air purifier according to claim 1 or 5 is characterized in that described photocatalysis unit (17) can adopt ultraviolet catalytic processing unit or photo catalysis reactor.

8. air purifier according to claim 1 or 5 is characterized in that described U type ultraviolet lamp tube (16) is three.

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