CN221648683U - Air purifier - Google Patents

Abstract

The utility model discloses an air purifier, which relates to the field of air purification technology. It includes a casing, a control panel is embedded on the top of the casing, a centrifugal fan and a wind pressure difference sensor are respectively installed in the upper space of the casing, and the centrifugal fan and the wind pressure difference sensor are electrically connected to the control panel, and an air filter element and a dust removal module are respectively installed in the lower space of the casing. The air purifier detects the pressure difference before and after the filter element is filtered by the wind pressure difference sensor, thereby monitoring the clogging state of the filter element. If the pressure difference exceeds the alarm threshold, the purifier enters low-speed purification. At this time, a small blower is used to blow air to the U-shaped blowing pipe, and the filter element rotates at a uniform speed around the filter element under the drive of the hollow rotating table. The blown air is ejected from the air port on the U-shaped blowing pipe to blow away the dust on the surface of the filter element until the pressure difference returns to a normal state. The dust is collected by a dust collecting box, and no manual cleaning is required, making it more worry-free for people to use.

Description

An air purifier

Technical Field

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

Background Art

Air purifiers, also known as air cleaners and air refreshers, are products that can absorb, decompose or transform various air pollutants (generally including PM2.5, dust, pollen, odors and decoration pollution such as formaldehyde, bacteria and allergens, etc.), and effectively improve the cleanliness of the air. They are mainly divided into household, commercial, industrial and building types.

However, the efficiency of general household air purifiers is low. Dust and blockage are easy to appear inside the air purifier during long-term use, which is not convenient for people to clean and maintain it, thereby greatly reducing the working efficiency of the air purifier, failing to meet people's usage needs, and bringing inconvenience to people's work.

Utility Model Content

The utility model provides an air purifier to solve the problems in the background technology.

To achieve the above object, the utility model provides the following technical solutions: an air purifier, comprising a casing, a control panel is embedded on the top of the casing, a centrifugal fan and a wind pressure difference sensor are respectively installed in the upper space of the casing, and the centrifugal fan and the wind pressure difference sensor are electrically connected to the control panel, an air filter element and a dust removal module are respectively installed in the lower space of the casing, and the air filter element is placed in the dust removal module, the dust removal module is electrically connected to the control panel, and a dust collection box is arranged in the bottom space of the casing;

The dust removal module includes a hollow rotating table, a U-shaped blowing pipe, an air slip ring and a small blower. The U-shaped blowing pipe is fixed on the hollow rotating table, and the interface of the U-shaped blowing pipe is connected to the air slip ring. The other end of the air slip ring is connected to the small blower through an air pipe.

Furthermore, an assembly groove is provided on the top of the casing, the control panel is fixed in the assembly groove, and sound insulation cotton is attached to the inner wall of the upper space of the casing.

Furthermore, an air outlet is provided on the top of the casing, and an air inlet is provided on the side wall of the lower space of the casing.

Furthermore, the bottom of the air filter element is a closed structure, and its core cavity is connected to the air inlet of the centrifugal fan.

Furthermore, one detection end of the wind pressure difference sensor is located in the upper space of the casing, and the other detection end thereof is located in the lower space of the casing.

Furthermore, the bottom of the lower space of the casing is inclined, and a dust exhaust port is provided at the bottom of the lower space of the casing.

Furthermore, the dust box is drawn into the bottom space of the casing, and the dust box is located below the dust discharge port.

Compared with the prior art, the utility model provides an air purifier with the following beneficial effects:

The air purifier uses a wind pressure difference sensor to detect the pressure difference before and after the filter element is filtered, thereby monitoring the blockage status of the filter element. If the pressure difference exceeds the alarm threshold, the purifier enters low-speed purification. At this time, a small blower is used to blow air into the U-shaped blowing pipe, and the blown air rotates around the filter element at a uniform speed under the drive of the hollow rotating table. The blown air is ejected from the air port on the U-shaped blowing pipe to blow away the dust on the surface of the filter element until the pressure difference returns to normal. The dust is collected by the dust collection box and no manual cleaning is required, making it more worry-free for people to use.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the structure of the utility model;

Fig. 2 is a partial cross-sectional view of the utility model;

FIG3 is a structural diagram of a dust removal module of the present invention.

In the figure: 1. Casing; 2. Control panel; 3. Centrifugal fan; 4. Wind pressure difference sensor; 5. Air filter element; 6. Dust removal module; 61. Hollow rotating table; 62. U-shaped blowing pipe; 63. Air slip ring; 64. Small blower; 7. Dust collection box; 8. Assembly groove; 9. Sound insulation cotton; 10. Air outlet; 11. Air inlet; 12. Dust exhaust port.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1 to 3. The utility model discloses an air purifier, including a casing 1, a control panel 2 is embedded on the top of the casing 1, a centrifugal fan 3 and a wind pressure difference sensor 4 are respectively installed in the upper space of the casing 1, and the centrifugal fan 3 and the wind pressure difference sensor 4 are electrically connected to the control panel 2, an air filter 5 and a dust removal module 6 are respectively installed in the lower space of the casing 1, and the air filter 5 is placed in the dust removal module 6, and the dust removal module 6 is electrically connected to the control panel 2, and the bottom space of the casing 1 A dust box 7 is provided, and the wind pressure difference sensor 4 detects the pressure difference before and after the filter element is filtered, so as to monitor the clogging state of the filter element. If the pressure difference exceeds the alarm threshold, the purifier enters low-speed purification. At this time, a small blower 64 blows air to the U-shaped blowing pipe 62, and the air rotates around the filter element at a uniform speed under the drive of the hollow rotating table 61. The blown air is ejected from the air port on the U-shaped blowing pipe 62 to blow away the dust on the surface of the filter element until the pressure difference returns to normal. The dust is collected by the dust box 7, and no manual cleaning is required, making it more worry-free for people to use.

The dust removal module 6 includes a hollow rotating table 61, a U-shaped blowing pipe 62, an air slip ring 63 and a small blower 64. The U-shaped blowing pipe 62 is fixed on the hollow rotating table 61, and the interface of the U-shaped blowing pipe 62 is connected to the air slip ring 63. The other end of the air slip ring 63 is connected to the small blower 64 through an air pipe.

Specifically, a mounting groove 8 is provided on the top of the casing 1 , the control panel 2 is fixed in the mounting groove 8 , and sound insulation cotton 9 is attached to the inner wall of the upper space of the casing 1 .

In this embodiment, the assembly groove 8 is used to provide an installation space for the control panel 2. The control panel 2 is a practical component in the air purifier, and its main function is to provide users with flexible control means.

Specifically, an air outlet 10 is provided on the top of the housing 1 , and an air inlet 11 is provided on the side wall of the lower space of the housing 1 .

In this embodiment, when the purifier is working, air flows in from the air inlet 11 and is discharged from the air outlet 10 after being filtered.

Specifically, the bottom of the air filter element 5 is a closed structure, and the core cavity thereof is connected to the air inlet of the centrifugal fan 3 .

In this embodiment, the air filter 5 is an important component of automobiles, air purifiers, central air conditioners and other equipment. Its function is to filter pollutants such as dust, bacteria, pollen, mold, harmful gases, etc. in the air to make the air fresher and healthier.

Specifically, one detection end of the wind pressure difference sensor 4 is located in the upper space of the casing 1 , and the other detection end thereof is located in the lower space of the casing 1 .

In this embodiment, the air filter element 5 plays an important role in blocking and capturing particulate matter, dust, pollutants, etc. in the air to maintain indoor air quality and protect system equipment. Over time, the filter element may be blocked due to the accumulation of pollutants, resulting in increased wind resistance, and the airflow becomes unsmooth, which reduces the efficiency of the system. This may affect the indoor air quality, increase system energy consumption, and even damage the equipment. Therefore, it is very important to monitor the blockage status of the filter element in real time. The high-pressure end of the wind pressure difference sensor 4 is connected to the front end of the filter element, and the negative pressure end is connected to the rear end of the filter element. The pressure difference between the front and rear ends of the filter element is monitored in real time to provide data support for judging the blockage condition of the filter element.

Specifically, the bottom of the lower space of the casing 1 is inclined, and a dust exhaust port 12 is provided at the bottom of the lower space of the casing 1 .

In this embodiment, the bottom of the lower space of the housing 1 is inclined, which is conducive to the dust gathering to the dust outlet 12.

Specifically, the dust box 7 is pulled out into the bottom space of the housing 1 , and the dust box 7 is located below the dust discharge port 12 .

In this embodiment, the dust falls from the dust outlet 12 into the dust box 7 for collection, and the dust box 7 only needs to be taken out regularly to pour out the dust.

When in use, the wind pressure difference sensor 4 detects the pressure difference before and after the filter element is filtered, so as to monitor the blockage state of the filter element. If the pressure difference exceeds the alarm threshold, the purifier enters low-speed purification. At this time, the small blower 64 blows air to the U-shaped blowing pipe 62, and the hollow rotating table 61 drives the filter element to rotate at a uniform speed. The blown air is ejected from the air port on the U-shaped blowing pipe 62 to blow away the dust on the surface of the filter element until the pressure difference returns to normal. The dust is collected by the dust collecting box 7, and no manual cleaning is required, making it more worry-free for people to use.

To sum up, the air purifier detects the pressure difference before and after the filter element is filtered by the wind pressure difference sensor 4, so as to monitor the blockage state of the filter element. If the pressure difference exceeds the alarm threshold, the purifier enters low-speed purification. At this time, the small blower 64 blows air to the U-shaped blowing pipe 62, and rotates around the filter element at a uniform speed under the drive of the hollow rotating table 61. The blown air is ejected from the air port on the U-shaped blowing pipe 62 to blow away the dust on the surface of the filter element until the pressure difference returns to normal. The dust is collected by the dust collecting box 7, and no manual cleaning is required, making it more worry-free for people to use.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. An air purifier, comprising a casing (1), characterized in that: a control panel (2) is embedded on the top of the casing (1), a centrifugal fan (3) and a wind pressure difference sensor (4) are respectively installed in the upper space of the casing (1), and the centrifugal fan (3) and the wind pressure difference sensor (4) are both electrically connected to the control panel (2), an air filter element (5) and a dust removal module (6) are respectively installed in the lower space of the casing (1), and the air filter element (5) is placed in the dust removal module (6), and the dust removal module (6) is electrically connected to the control panel (2), and a dust collection box (7) is arranged in the bottom space of the casing (1); The dust removal module (6) comprises a hollow rotating platform (61), a U-shaped blowing pipe (62), an air slip ring (63) and a small blower (64); the U-shaped blowing pipe (62) is fixed on the hollow rotating platform (61), and an interface of the U-shaped blowing pipe (62) is connected to the air slip ring (63); the other end of the air slip ring (63) is connected to the small blower (64) via an air pipe. 2. An air purifier according to claim 1, characterized in that: an assembly groove (8) is provided on the top of the casing (1), the control panel (2) is fixed in the assembly groove (8), and sound insulation cotton (9) is attached to the inner wall of the upper space of the casing (1). 3. An air purifier according to claim 1, characterized in that: an air outlet (10) is provided on the top of the casing (1), and an air inlet (11) is provided on the side wall of the lower space of the casing (1). 4. An air purifier according to claim 1, characterized in that the bottom of the air filter element (5) is a closed structure, and its core cavity is connected to the air inlet of the centrifugal fan (3). 5. An air purifier according to claim 1, characterized in that one detection end of the wind pressure difference sensor (4) is located in the upper space of the casing (1), and the other detection end thereof is located in the lower space of the casing (1). 6. An air purifier according to claim 1, characterized in that the bottom of the lower space of the casing (1) is inclined, and a dust exhaust port (12) is provided at the bottom of the lower space of the casing (1). 7. An air purifier according to claim 6, characterized in that the dust box (7) is pulled out into the bottom space of the casing (1), and the dust box (7) is located below the dust outlet (12).