Air purification and disinfection device with filter screen self-cleaning function

Abstract

The utility model discloses an air purification and disinfection device with a filter screen self-cleaning function, and relates to the technical field of air purification and disinfection devices. The sealing plate is detachably mounted on the inner wall of one side of the air purification device main body; the air inlet unit is fixedly arranged on the inner wall of the front end of the air purification device main body; and the exhaust unit is fixedly mounted on the inner wall of the back surface of the air purification device main body. According to the air purification device, due to the arrangement of the air inlet unit and the air exhaust unit, external air enters the air purification device body, large-particle-size impurities in the air are filtered through the front impurity filtering screen plate, meanwhile, the front impurity filtering screen plate can be cleaned through cooperation of the impurity removing and cleaning assembly and the back-collision assembly, and the air purification device is convenient to use. And in addition, by means of the arrangement of the odor removal and purification unit, secondary purification treatment is carried out on the air subjected to pre-filtration, and then the utilization efficiency and practicability of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air purification and disinfection devices, in particular to an air purification and disinfection device with a filter self-cleaning function. Background Art

[0002] Air purification and disinfection refers to the process of purifying pollutants in the air environment. It is mostly used for indoor environments contaminated by suspended particles, such as pathogens, such as bacteria, viruses, etc.; inhalable particles, such as dust, smoke, pollen, etc.; life odors, such as human metabolism, musty smell, garbage smell and other pollution, in order to reduce or eliminate the impact of air pollutants. Air disinfection is divided into: dynamic disinfection and static disinfection. The process of air purification and disinfection can be achieved through an air purification and disinfection device.

[0003] For example, an air purification device with Chinese patent publication number: CN212327715U. The air purification device includes: a housing; a filter screen arranged in the housing; a disinfectant generating device, which is arranged in the housing and is used to spray disinfectant on the filter screen. By arranging a device for spraying disinfectant on the filter screen in the air purification device, the bacteria on the filter screen can be sterilized and disinfected, thereby avoiding the problem that the filter screen is prone to breeding bacteria after long-term use.

[0004] In order to solve the problem that the filter cannot be cleaned for a long time, which will cause secondary pollution of indoor air, the existing technology adopts the method of cooperating with each other of filter, disinfectant generating device, disinfectant aerosol generator, disinfectant nozzle and other structures to deal with it. However, there are still problems such as dust and impurities in the air with different particle sizes. A single filter is prone to impurities clogging the filter or poor filtering effect, resulting in reduced utilization efficiency of the air purification device. Utility Model Content

[0005] The purpose of the utility model is to provide an air purification and disinfection device with a filter self-cleaning function to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] An air purification and disinfection device with a filter self-cleaning function, comprising: an air purification device body; a sealing plate detachably mounted on the inner wall of one side of the air purification device body; an air intake unit fixedly mounted on the inner wall of the front end of the air purification device body; an exhaust unit fixedly mounted on the inner wall of the back end of the air purification device body; a filter and impurity removal unit mounted on the inner wall of the air purification device body and located behind the air intake unit; and a deodorization and purification unit arranged behind the filter and impurity removal unit and in front of the exhaust unit, wherein the filter and impurity removal unit comprises a front impurity filter plate detachably mounted on the inner wall of the air purification device body, The setting allows external air to enter the main body of the air purification device, and large-size impurities in the air are filtered through the pre-filter screen plate. The front and back sides of the pre-filter screen plate are respectively provided with a cleaning component and a back-collision component installed on the inner wall of the main body of the air purification device. The pre-filter screen plate can be cleaned by the cooperation of the cleaning component and the back-collision component to avoid clogging caused by excessive impurities on the pre-filter screen plate. The deodorization and purification unit includes a slide seat fixedly installed on the inner wall of the main body of the air purification device, and a barrier purification component is slidably connected to the surface of the slide seat. The deodorization and purification unit is used to perform secondary purification on the pre-filtered air.

[0008] A further improvement of the technical solution of the utility model is that the air intake unit includes an air intake grille fixedly mounted on the inner wall of the air inlet at the front end of the air purification device body, and an air intake duct fixedly connected to the inner surface of the air purification device body is arranged behind the air intake grille.

[0009] A further improvement of the technical solution of the utility model is that the exhaust unit includes an air guide fan fixedly installed on the inner wall of the back side of the air purification device body, and the back side of the air guide fan is magnetically connected to a magnetic partition net.

[0010] A further improvement of the technical solution of the utility model lies in that: the pre-filter screen plate is slidably connected to the inner wall of the air purification device body, the impurity removal and cleaning component includes a motor fixedly installed on the top of the inner cavity of the air purification device body, the output end of the motor is fixedly connected to a threaded rod with a bottom rotatably connected to the bottom surface of the inner cavity of the air purification device body, a movable block is threadedly sleeved on the outer surface of the threaded rod, and a scraping plate in contact with the surface of the pre-filter screen plate is fixedly connected to the back of the movable block, and a limiting rod is slidably connected to the inner wall of one end of the scraping plate away from the threaded rod, and both ends of the limiting rod are fixedly connected to the inner surface of the air purification device body, and the movable block and the scraping plate are raised and lowered in the air purification device body through the cooperation of the motor and the threaded rod, and the impurities filtered on the pre-filter screen plate are scraped off by the contact between the scraping plate and the surface of the pre-filter screen plate.

[0011] A further improvement of the technical solution of the utility model is that the back-collision component includes a cross bar fixedly connected to the inner wall of the air purification device body and located behind the front filter screen plate, a pulling rope is fixedly connected to the bottom of the cross bar, a rubber plate is fixedly connected to the bottom end of the pulling rope, a magnet column is fixedly connected to the bottom surface of the rubber plate, a magnet block is fixedly installed on the inner wall of the scraper plate, the magnet block and the magnet column are like poles, and the mutual repulsion force between the like poles of the magnet block and the magnet column is utilized so that the rubber plate and the magnet column collide with the front filter screen plate after the magnet block moves, thereby assisting in shaking off impurities on the front filter screen plate.

[0012] A further improvement of the technical solution of the utility model is that the barrier purification component includes an outer frame shell slidably connected to the surface of the slide groove seat, a slide plate is fixedly connected to the outer surface of the outer frame shell, a roller is rotatably connected to the inner wall of the slide plate, and the outer surfaces of the slide plate and the roller are slidably connected to the inner wall of the slide groove seat.

[0013] A further improvement of the technical solution of the utility model lies in that a rear dust filter screen plate is slidably connected to the inner wall of the outer frame shell near the front dust filter screen plate, and the air filtered by the front dust filter screen plate is secondary filtered through the setting of the rear dust filter screen plate to remove small particle size impurities in the air, and a PCM photocatalytic plate is slidably connected to the inner wall of the outer frame shell, and two PCM photocatalytic plates are arranged, one of the PCM photocatalytic plates is arranged behind the rear dust filter screen plate, and the other PCM photocatalytic plate is arranged near the exhaust unit, an activated carbon plate slidably connected to the inner wall of the outer frame shell is arranged between the two PCM photocatalytic plates, and a wind-dissipating grille fixedly connected to the inner wall of the outer frame shell is arranged between the PCM photocatalytic plate and the activated carbon plate, and the combined use of the PCM photocatalytic plate and the activated carbon plate has the effect of purifying the air and deodorizing.

[0014] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0015] 1. The utility model provides an air purification and disinfection device with a self-cleaning filter function. Through the arrangement of an air intake unit and an exhaust unit, outside air is allowed to enter the main body of the air purification device, and large-size impurities in the air are filtered through a pre-filter screen. At the same time, the pre-filter screen can be cleaned by the cooperation of a cleaning component and a back-impact component to avoid blockage caused by excessive impurities on the pre-filter screen. In addition, by utilizing the arrangement of a deodorization and purification unit, the air after pre-filtration is subjected to secondary purification treatment, thereby improving the utilization efficiency and practicality of the device.

[0016] 2. The utility model provides an air purification and disinfection device with a self-cleaning filter function. Through the cooperation of a motor and a threaded rod, a movable block and a scraper plate are raised and lowered in the main body of the air purification device. The scraper plate fits the surface of a front filter screen plate to scrape off impurities filtered thereon. In addition, by utilizing the mutual repulsion between the like poles of a magnet block and a magnet column, the rubber plate and the magnet column collide with the front filter screen plate after the magnet block moves, thereby assisting in shaking off impurities on the front filter screen plate and improving the impurity cleaning effect.

[0017] 3. The utility model provides an air purification and disinfection device with a self-cleaning filter function. Through the setting of a rear dust filter screen, the air filtered by the front filter screen is secondary filtered to remove small particle impurities in the air. The PCM photocatalytic plate and the activated carbon plate are used in combination to purify the air and deodorize, thereby ensuring the functionality and use efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the cross-sectional structure of the filter and impurity removal unit of the utility model;

[0021] Figure 4 For the utility model Figure 3 A schematic diagram of the enlarged structure at point A;

[0022] Figure 5 It is a three-dimensional structural schematic diagram of the barrier purification component of the utility model;

[0023] Figure 6 It is a schematic diagram of the cross-sectional structure of the utility model.

[0024] In the figure: 1. air purification device body; 2. sealing plate; 3. air intake unit; 31. air intake grille; 32. air intake duct; 4. exhaust unit; 41. air guide fan; 42. magnetic screen; 5. filtration and impurity removal unit; 51. front impurity filter screen plate; 52. impurity removal and cleaning component; 521. motor; 522. threaded rod; 523. movable block; 524. scraper plate; 525. magnet block; 53. back-collision component; 531. cross bar; 532. pulling rope; 533. rubber plate; 534. magnet column; 6. deodorization and purification unit; 61. slide seat; 62. barrier purification component; 621. outer frame shell; 622. slide plate; 623. roller; 624. rear dust filter screen plate; 625. PCM photocatalytic plate; 626. activated carbon plate; 627. air venting grille. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below in conjunction with the embodiments:

[0026] Example 1

[0027] like Figure 1-6 As shown, the utility model provides an air purification and disinfection device with a filter self-cleaning function, comprising: an air purification device body 1; a control component is arranged on the front of the air purification device body 1, and a sealing plate 2 is detachably mounted on the inner wall of one side of the air purification device body 1; an air intake unit 3 is fixedly mounted on the inner wall of the front end of the air purification device body 1; an exhaust unit 4 is fixedly mounted on the inner wall of the back of the air purification device body 1; a filter and impurity removal unit 5 is mounted on the inner wall of the air purification device body 1 and located behind the air intake unit 3; and a filter and impurity removal unit 5 is arranged on the inner wall of the air purification device body 1 and located behind the air intake unit 3; and a filter and impurity removal unit 5 is arranged on the inner wall of the air purification device body 1 and located behind the air intake unit 3. The deodorizing and purifying unit 6 is located behind the impurity unit 5 and in front of the exhaust unit 4. The filtration and impurity removing unit 5 includes a pre-filter screen plate 51 detachably mounted on the inner wall of the air purifying device body 1. Through the arrangement of the air intake unit 3 and the exhaust unit 4, the outside air enters the air purifying device body 1, and the pre-filter screen plate 51 is used to filter large-size impurities in the air. The front and back sides of the pre-filter screen plate 51 are respectively provided with impurity removing and cleaning components 52 and back collision components 53 mounted on the inner wall of the air purifying device body 1. The impurity removing and cleaning components are used to filter the large-size impurities in the air. 52, the back collision component 53 cooperates to clean the front filter screen 51 to avoid clogging caused by excessive impurities on the front filter screen 51. The deodorization purification unit 6 includes a slide seat 61 fixedly installed on the inner wall of the air purification device body 1, and a barrier purification component 62 is slidably connected on the surface of the slide seat 61. The deodorization purification unit 6 is used to perform secondary purification on the air after pre-filtering. The air intake unit 3 includes an air intake grille 31 fixedly installed on the inner wall of the air inlet at the front end of the air purification device body 1, and a rear portion of the air intake grille 31 is provided. There is an air intake duct 32 fixedly connected to the inner surface of the air purification device body 1, and the exhaust unit 4 includes an air guide fan 41 fixedly installed on the inner wall of the back side of the air purification device body 1. The back side of the air guide fan 41 is magnetically connected to a magnetic screen 42. The air flow is guided by the air guide fan 41, so that the air enters the air intake duct 32 from the air intake grille 31 and is transported to the air purification device body 1 through the air intake duct 32. In addition, the magnetic connection between the magnetic screen 42 and the air guide fan 41 makes the disassembly and maintenance of the magnetic screen 42 more labor-saving.

[0028] Example 2

[0029] like Figure 1-6As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the front filter screen plate 51 is slidably connected to the inner wall of the air purification device body 1, and the impurity removal cleaning component 52 includes a motor 521 fixedly installed on the top of the inner cavity of the air purification device body 1, and the output end of the motor 521 is fixedly connected with a threaded rod 522 that is rotatably connected to the bottom of the inner cavity of the air purification device body 1, and a movable block 523 is threadedly sleeved on the outer surface of the threaded rod 522, and a scraping plate 524 in contact with the surface of the front filter screen plate 51 is fixedly connected on the back of the movable block 523, and the scraping plate 524 is slidably connected to the inner wall away from one end of the threaded rod 522 with a limiting rod, and both ends of the limiting rod are fixedly connected to the inner surface of the air purification device body 1, and the back collision component 53 includes a fixed connection on the inner wall of the air purification device body 1 and located behind the front filter screen plate 51 The bottom of the cross bar 531 is fixedly connected with a pulling rope 532, and the bottom end of the pulling rope 532 is fixedly connected with a rubber plate 533. The bottom surface of the rubber plate 533 is fixedly connected with a magnet column 534. A magnet block 525 is fixedly installed on the inner wall of the scraper plate 524. The magnet block 525 and the magnet column 534 have the same magnetic poles. The output shaft of the motor 521 drives the threaded rod 522 to rotate, and drives the movable block 523 and the scraper plate 524 to rise and fall in the air purification device body 1. The scraper plate 524 is fitted with the surface of the pre-filter mesh plate 51 to scrape off the impurities filtered thereon. At the same time, the force of mutual repulsion between the same magnetic poles of the magnet block 525 and the magnet column 534 makes the rubber plate 533 and the magnet column 534 hit the pre-filter mesh plate 51 when falling after the magnet block 525 moves, so as to assist in shaking off the impurities on the pre-filter mesh plate 51.

[0030] Example 3

[0031] like Figure 1-6As shown, on the basis of Examples 1-2, the utility model provides a technical solution: preferably, the barrier purification component 62 includes an outer frame shell 621 slidably connected to the surface of the slide slot seat 61, a slide plate 622 is fixedly connected to the outer surface of the outer frame shell 621, a roller 623 is rotatably connected to the inner wall of the slide slot seat 61, the outer surfaces of the slide plate 622 and the roller 623 are slidably connected to the inner wall of the slide slot seat 61, a rear dust filter screen plate 624 is slidably connected to the inner wall of the outer frame shell 621 near the front impurity filter screen plate 51, a PCM photocatalytic plate 625 is slidably connected to the inner wall of the outer frame shell 621, and two PCM photocatalytic plates 625 are provided, one PCM photocatalytic plate A PCM photocatalytic plate 625 is arranged behind the rear dust filter screen plate 624, and another PCM photocatalytic plate 625 is arranged near the exhaust unit 4. An activated carbon plate 626 slidingly connected to the inner wall of the outer frame shell 621 is arranged between the two PCM photocatalytic plates 625, and a wind-relief grille 627 fixedly connected to the inner wall of the outer frame shell 621 is arranged between the PCM photocatalytic plate 625 and the activated carbon plate 626. Through the setting of the rear dust filter screen plate 624, the air filtered by the front filter screen plate 51 is secondary filtered to filter out small particle impurities in the air, and the PCM photocatalytic plate 625 and the activated carbon plate 626 are used in combination to disinfect, purify and deodorize the air.

[0032] The working principle of the air purification and disinfection device with filter self-cleaning function is described in detail below.

[0033] like Figure 1-6As shown, when in use, the device is first started, and the air guide fan 41 is used to guide the air flow, so that the air enters the air purification device body 1 through the air intake grille 31 and the air intake duct 32, and cooperates with the front filter screen plate 51 to filter large-size impurities in the air, and then the air filtered by the front filter screen plate 51 is filtered for the second time through the rear filter screen plate 624 to filter out small-size impurities in the air, and the PCM photocatalytic plate 625 and the activated carbon plate 626 are used in combination to purify and deodorize the air, so that the air is discharged from the air guide fan 41 to complete the purification cycle. If it is necessary to clean the impurities on the front filter screen plate 51, the threaded rod 522 is driven by the output shaft of the motor 521 Rotate to drive the movable block 523 and the scraper plate 524 to rise and fall in the air purification device body 1, and utilize the scraper plate 524 to fit with the surface of the pre-filter screen plate 51 to scrape off the impurities filtered thereon, and at the same time cooperate with the mutual repulsion of the like poles of the magnet block 525 and the magnet column 534, so that after the magnet block 525 moves, the rubber plate 533 and the magnet column 534 will hit the pre-filter screen plate 51 when falling, and assist in shaking off the impurities on the pre-filter screen plate 51 to ensure the use effect of the device. If the device needs to be repaired and maintained as a whole, the sealing plate 2 can be removed from the air purification device body 1, and the pre-filter screen plate 51 and the barrier purification component 62 can be removed as needed for maintenance.

[0034] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. An air purification and disinfection device with a filter self-cleaning function, comprising: Air purification device body (1); A sealing plate (2) detachably mounted on an inner wall of one side of the air purification device body (1); An air intake unit (3) fixedly mounted on the inner wall of the front end of the air purification device body (1); An exhaust unit (4) fixedly mounted on the inner wall of the back side of the air purification device body (1); A filter and impurity removal unit (5) installed on the inner wall of the air purification device body (1) and located behind the air intake unit (3); and a deodorizing and purifying unit (6) arranged behind the cleaning and impurity removing unit (5) and in front of the exhaust unit (4), characterized in that: the cleaning and impurity removing unit (5) includes a front impurity filter screen plate (51) detachably mounted on the inner wall of the air purification device body (1), the front and back sides of the front impurity filter screen plate (51) are respectively provided with an impurity removal cleaning component (52) and a back collision component (53) mounted on the inner wall of the air purification device body (1), and the deodorizing and purifying unit (6) includes a slide groove seat (61) fixedly mounted on the inner wall of the air purification device body (1), and a barrier purification component (62) is slidably connected to the surface of the slide groove seat (61).

2. The air purification and disinfection device with filter self-cleaning function according to claim 1, characterized in that: The air intake unit (3) comprises an air intake grille (31) fixedly mounted on the inner wall of the air intake port at the front end of the air purification device body (1); an air intake duct (32) fixedly connected to the inner surface of the air purification device body (1) is arranged behind the air intake grille (31).

3. The air purification and disinfection device with filter self-cleaning function according to claim 1, characterized in that: The exhaust unit (4) comprises an air guide fan (41) fixedly mounted on the inner wall of the back side of the air purification device body (1), and the back side of the air guide fan (41) is magnetically connected to a magnetic isolation net (42).

4. The air purification and disinfection device with filter self-cleaning function according to claim 1, characterized in that: The front impurity filter screen plate (51) is slidably connected to the inner wall of the air purification device body (1); the impurity removal cleaning component (52) comprises a motor (521) fixedly mounted on the top of the inner cavity of the air purification device body (1); the output end of the motor (521) is fixedly connected to a threaded rod (522) whose bottom is rotatably connected to the bottom surface of the inner cavity of the air purification device body (1); a movable block (523) is threadedly sleeved on the outer surface of the threaded rod (522); the back of the movable block (523) is fixedly connected to a scraping plate (524) in contact with the surface of the front impurity filter screen plate (51); the scraping plate (524) is slidably connected to a limiting rod on the inner wall of one end away from the threaded rod (522); and the two ends of the limiting rod are fixedly connected to the inner surface of the air purification device body (1).

5. The air purification and disinfection device with filter self-cleaning function according to claim 4, characterized in that: The back-collision component (53) comprises a cross bar (531) fixedly connected to the inner wall of the air purification device body (1) and located behind the front impurity filter screen plate (51); a pulling rope (532) is fixedly connected to the bottom of the cross bar (531); a rubber plate (533) is fixedly connected to the bottom end of the pulling rope (532); a magnet column (534) is fixedly connected to the bottom surface of the rubber plate (533); a magnet block (525) is fixedly installed on the inner wall of the impurity scraping plate (524); the magnet block (525) and the magnet column (534) have the same magnetic poles.

6. The air purification and disinfection device with filter self-cleaning function according to claim 1, characterized in that: The barrier purification component (62) includes an outer frame shell (621) slidably connected to the surface of the slide groove seat (61), a slide plate (622) is fixedly connected to the outer surface of the outer frame shell (621), a roller (623) is rotatably connected to the inner wall of the slide plate (622), and the outer surfaces of the slide plate (622) and the roller (623) are slidably connected to the inner wall of the slide groove seat (61).

7. The air purification and disinfection device with filter self-cleaning function according to claim 6, characterized in that: A rear dust filter screen plate (624) is slidably connected to a position near the front dust filter screen plate (51) on the inner wall of the outer frame shell (621), and a PCM photocatalytic plate (625) is slidably connected to the inner wall of the outer frame shell (621). Two PCM photocatalytic plates (625) are provided, one PCM photocatalytic plate (625) is provided behind the rear dust filter screen plate (624), and the other PCM photocatalytic plate (625) is provided near the exhaust unit (4). An activated carbon plate (626) slidably connected to the inner wall of the outer frame shell (621) is provided between the two PCM photocatalytic plates (625), and a wind-dispersing grille (627) fixedly connected to the inner wall of the outer frame shell (621) is provided between the PCM photocatalytic plate (625) and the activated carbon plate (626).

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