CN112197368A

CN112197368A - Air purifying device

Info

Publication number: CN112197368A
Application number: CN202011185618.1A
Authority: CN
Inventors: 邓祥; 孙娅丽; 刘书兴; 周文通; 王运发
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-01-08

Abstract

The invention discloses an air purification device, which comprises a shell, wherein an air inlet is formed in the side wall of the bottom of the shell, an air outlet is formed in the top wall of the shell, a filter screen assembly and a fan assembly are sequentially arranged in the shell along the air circulation direction, the air purification device also comprises a vibrating piece, the vibrating piece is connected with the filter screen assembly, an air speed sensor is arranged at the air outlet, and when the real-time air speed detected by the air speed sensor is smaller than the threshold air speed, the vibrating piece is started to clean the filter screen assembly. According to the air purification device, the air speed sensor is arranged at the air outlet to detect whether the filter screen body is blocked, and when the filter screen body is detected to be blocked, the vibration piece is started to vibrate the filter screen body, so that dust and viruses attached to the surface of the filter screen body are shaken off and collected by the dust collection box, and the cleaning of the filter screen body is completed.

Description

Air purifying device

Technical Field

The present disclosure relates to air cleaning apparatuses, and particularly to an air cleaning apparatus with a self-cleaning function.

Background

Current air purification device adopts the filter screen to intercept virus, dust more, and virus, dust depend on the filter screen surface after being intercepted, lead to the filter screen to block up gradually, and ventilation performance descends, influences air purification device performance. Therefore, the air purification device needs to frequently replace the filter screen, which causes waste.

Disclosure of Invention

The invention aims to provide an air purification device, which aims to solve the technical problem that the disinfection efficiency is reduced after dust is accumulated on a filter screen of the conventional air purification device.

In order to achieve the purpose, the specific technical scheme of the air purification device is as follows:

the utility model provides an air purification device, includes the shell, and shell bottom lateral wall is equipped with the air intake, and the shell roof sets up the air outlet, along the circulation of air direction, sets gradually filter screen subassembly and fan subassembly in the shell, still includes the vibrating part, and the vibrating part is connected with the filter screen subassembly, and air outlet department is equipped with air velocity transducer, and when the real-time wind speed that air velocity transducer detected was less than the threshold value wind speed, opens the vibrating part, clean filter screen subassembly.

Further, the filter screen subassembly includes the filter screen body, and the filter screen body is fixed all around on the frame, and the quantity of vibrating part is two, and two vibrating parts are respectively with the outer wall connection that the frame is relative, set up the backup pad on the inner wall that the shell is relative respectively, and two vibrating parts are fixed respectively in the backup pad.

Furthermore, the vibrating piece is an ultrasonic oscillator, the ultrasonic oscillator comprises an ultrasonic generator and a vibrating plate, the ultrasonic generator is fixed on the supporting plate, the ultrasonic generator is connected with the vibrating plate, and the vibrating plate is fixedly connected with the outer frame.

Further, the vibration plate is of an arc-shaped elastic structure and protrudes towards the outer frame.

Furthermore, a dust collection box is arranged at the bottom of the shell, the opening of the dust collection box is upward, and dust shaken off from the surface of the filter screen component is collected in the dust collection box.

Furthermore, the dust collection box is connected with the exhaust fan, so that negative pressure is formed in the dust collection box, or an electrostatic adsorption component is arranged in the dust collection box.

Further, still include and lead the dirt frame, lead the dirt frame and set up in the dust collection box top, lead the dirt frame and be connected with elevating system, when clean filter screen subassembly, rise and lead the dirt frame and shelter from the air intake.

Further, lead the dirt frame and include the square bounding wall the same with shell inner wall shape, set up the gap that holds the bounding wall between dust collection box and the shell, the bounding wall roof is equipped with the slope and leads the dirt board, leads the bottom of dirt board and inclines towards the dust collection box direction.

Furthermore, elevating system is including setting up the elevator motor in leading the dirt frame top, and elevator motor fixes in the frame, is equipped with the screw rod in elevator motor's the drive shaft, and the bottom of screw rod extends to the dust collection box, connects the connecting rod on leading the dirt board, and the end connection of connecting rod is on the outer wall of screw thread post, and the screw thread post is screwed on the screw rod.

Furthermore, when the dust guide frame descends to the lowest position, the top surface of the dust guide frame is positioned below the lowest end of the air inlet.

Furthermore, a heating plate is arranged in the shell at the upstream of the filter screen component.

The air purification device has the following advantages:

according to the air purification device, the air speed sensor is arranged at the air outlet to detect whether the filter screen body is blocked, when the filter screen body is detected to be blocked, the vibration piece is started to vibrate the filter screen body, dust and viruses attached to the surface of the filter screen body are shaken off and collected by the dust collection box, the filter screen body is cleaned, the disinfection efficiency is improved, the service life of the filter screen is prolonged, the use cost of a user is reduced, the consumption of the filter screen is reduced, and the environment is protected.

Drawings

FIG. 1 is a cross-sectional view of an air cleaning device of the present invention in normal operation;

FIG. 2 is a sectional view showing a clean state of the air cleaning apparatus according to the present invention;

FIG. 3 is a schematic view of a screen mounting structure according to the present invention;

fig. 4 is a schematic structural view of the dust guiding frame of the present invention.

The reference numbers in the figures illustrate: 1. a housing; 11. an air inlet; 12. an air outlet; 13. a support plate; 2. a heat generating plate; 3. a screen assembly; 31. a filter screen body; 32. an outer frame; 4. an ultrasonic generator; 5. a vibrating plate; 6. a fan assembly; 7. a wind speed sensor; 8. a dust collection box; 9. a dust guide frame; 91. enclosing plates; 92. a dust guide plate; 93. a connecting rod; 94. a threaded post; 10. a lifting motor; 101. a screw; 102. and a frame.

Detailed Description

For better understanding of the objects, structure and function of the present invention, an air cleaning device according to the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, the application provides an air purification device, can be used to disinfecting machine, equipment such as air purifier, including shell 1, shell 1 bottom lateral wall is equipped with air intake 11, shell 1 roof sets up air outlet 12, along the circulation of air direction, filter screen subassembly 3 and fan subassembly 6 set gradually in the shell 1, air purification device is at the in-process of long-term use, a large amount of dust of attaching to on the filter screen subassembly 3, viruses etc., influence dust collection efficiency, so this air purification device still includes the vibrating piece, the vibrating piece is connected with filter screen subassembly 3, be equipped with air velocity transducer 7 on the shell 1 of air outlet 12 department, when the real-time wind speed that air velocity transducer 7 detected is less than the threshold value wind speed, open the vibrating piece, filter screen subassembly 3 vibrates thereupon, shake off the dust that attaches to filter screen subassembly 3 surface.

As shown in fig. 3, the strainer assembly 3 includes a strainer body 31, the periphery of the strainer body 31 is fixed on an outer frame 32, the number of the vibrating members is two, the two vibrating members are respectively connected with the outer wall of the outer frame 32, the inner wall of the housing 1 is provided with a support plate 13, and the two vibrating members are respectively fixed on the support plate 13.

The vibrating piece is ultrasonic oscillator, and ultrasonic oscillator includes supersonic generator 4 and vibrating plate 5, and supersonic generator 4 fixes in backup pad 13, and supersonic generator 4 connects vibrating plate 5, and vibrating plate 5 passes through sticky fixed connection with frame 32.

In order to guarantee that filter screen body 31 fully contacts with vibration plate 5, supersonic generator 4, vibration plate 5 is arc elastic structure, and vibration plate 5 is towards frame 32 protrusion, and when guaranteeing filter screen subassembly 3 clean, supersonic generator 4's vibration effectively transmits filter screen body 31 on, promotes clean effect.

In order to collect dust, the bottom of the housing 1 is provided with a dust box 8, the opening of the dust box 8 faces upwards, and dust shaken off from the surface of the filter screen assembly 3 is collected in the dust box 8.

In order to promote dust collection efficiency, the dust collection box 8 is connected with the exhaust fan, so that negative pressure is formed in the dust collection box 8, and the dust collection efficiency is promoted, or an electrostatic adsorption component is arranged in the dust collection box 8, so that falling dust and the like are firmly adsorbed on the inner wall of the dust collection box 8, and secondary pollution is avoided.

In the automatically cleaning in-process, in order to prevent that the dust that drops, virus from air intake 11 outflow, polluted environment, air purification device still includes leading dirt frame 9, leads dirt frame 9 and sets up in dust collection box 8 top, leads dirt frame 9 and is connected with elevating system, and when air purification device started cleaning function, the rise leads dirt frame 9 and makes and lead dirt frame 9 and shelter from air intake 11, and on air purification device normally worked, lead dirt frame 9 and descend, opens air intake 11.

As shown in fig. 4, the dust guiding frame 9 includes a square surrounding plate 91 having the same shape as the inner wall of the housing 1, a gap for accommodating the surrounding plate 91 is provided between the dust box 8 and the housing 1, an inclined dust guiding plate 92 is provided on the top wall of the surrounding plate 91, and the bottom end of the dust guiding plate 92 is inclined toward the dust box 8, so that the bottom opening of the dust guiding plate 92 is located at the inner side of the top opening of the dust box 8, thereby facilitating the collection of dust.

The lifting mechanism comprises a lifting motor 10 arranged above the dust guide frame 9, the lifting motor 10 is fixed on a rack 102, a screw 101 is arranged on a driving shaft of the lifting motor 10, the bottom end of the screw 101 extends towards the dust collection box 8, a connecting rod 93 is connected to the dust guide plate 92, the end part of the connecting rod 93 is connected to the outer wall of a threaded column 94, the threaded column 94 is screwed on the screw 101, the lifting motor 10 is started, the screw 101 rotates, and the threaded column 94 lifts along the screw 101, so that the dust guide frame 9 is lifted in the shell 1.

When the dust guide frame 9 descends to the lowest position, the top surface of the dust guide frame 9 is located below the lowest end of the air inlet 11.

Besides, the lifting mechanism can also be a gear rack linear driving mechanism.

Set up heating plate 2 in the shell 1 between filter screen subassembly 3 and the elevating system, heating plate 2 includes two-layerly, and every heating plate 2 includes the polylith, and every layer of heating plate 2 sets up side by side, and two-layer heating plate 2 alternately sets up, and the cavity between each heating plate 2 forms the wind gap that passes through that supplies the circulation of air, and heating plate 2 circular telegram back toasts filter screen body 31 to eliminate virus etc. on the filter screen body 31, play disinfection's effect.

This air purification device sets up air velocity transducer 7 in air outlet 12 department to whether detect filter screen body 31 and block up, when detecting filter screen body 31 and block up, open cleaning device, make filter screen subassembly 3 vibration, will depend on dust, the virus on filter screen body 31 surface and shake off, and be collected by dust collection box 8, it is clean to accomplish the filter screen body, promote disinfection efficiency, extension filter screen life-span, reduce user's use cost, reduce filter screen consumption, the environmental protection.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides an air purification device, including shell (1), shell (1) bottom lateral wall is equipped with air intake (11), shell (1) roof sets up air outlet (12), along the circulation of air direction, set gradually filter screen subassembly (3) and fan subassembly (6) in shell (1), a serial communication port, the vibration piece is still included, the vibration piece is connected with filter screen subassembly (3), air outlet (12) department is equipped with air velocity transducer (7), when the real-time wind speed that detects in air velocity transducer (7) is less than the threshold value wind speed, open the vibration piece, clean filter screen subassembly (3).

2. The air cleaning device according to claim 1, wherein the screen assembly (3) comprises a screen body (31), the screen body (31) is fixed to the outer frame (32) at the periphery, the number of the vibrating members is two, the two vibrating members are respectively connected to the outer walls of the outer frame (32), the supporting plates (13) are respectively arranged on the inner walls of the housing (1), and the two vibrating members are respectively fixed to the supporting plates (13).

3. The air cleaning device according to claim 2, wherein the vibrating member is an ultrasonic oscillator, the ultrasonic oscillator comprises an ultrasonic generator (4) and a vibrating plate (5), the ultrasonic generator (4) is fixed on the supporting plate (13), the ultrasonic generator (4) is connected with the vibrating plate (5), and the vibrating plate (5) is fixedly connected with the outer frame (32).

4. An air cleaning device according to claim 3, wherein the vibration plate (5) is of an arc-shaped elastic structure, and the vibration plate (5) is projected toward the outer frame (32).

5. The air cleaning device according to claim 1, wherein a dust box (8) is provided at the bottom of the housing (1), the dust box (8) is opened upward, and dust shaken off the surface of the screen assembly (3) is collected in the dust box (8).

6. Air cleaning apparatus according to claim 5, characterized in that the dust box (8) is connected to a suction fan to create a negative pressure in the dust box (8), or that an electrostatic adsorption unit is provided in the dust box (8).

7. The air cleaning device according to claim 5, further comprising a dust guide frame (9), wherein the dust guide frame (9) is arranged above the dust collection box (8), the dust guide frame (9) is connected with the lifting mechanism, and when the filter screen assembly (3) is cleaned, the dust guide frame (9) is lifted to shield the air inlet (11).

8. The air cleaning device as claimed in claim 7, wherein the dust guiding frame (9) comprises a square enclosure (91) having the same shape as the inner wall of the housing (1), a gap for accommodating the enclosure (91) is provided between the dust box (8) and the housing (1), an inclined dust guiding plate (92) is provided on the top wall of the enclosure (91), and the bottom end of the dust guiding plate (92) is inclined toward the dust box (8).

9. The air purification device according to claim 8, wherein the lifting mechanism comprises a lifting motor (10) arranged above the dust guide frame (9), the lifting motor (10) is fixed on the frame (102), a screw rod (101) is arranged on a driving shaft of the lifting motor (10), the bottom end of the screw rod (101) extends towards the dust collection box (8), a connecting rod (93) is connected on the dust guide plate (92), the end part of the connecting rod (93) is connected on the outer wall of the threaded column (94), and the threaded column (94) is screwed on the screw rod (101).

10. The air cleaning apparatus according to claim 7, wherein the top surface of the dust guide frame (9) is located below the lowest end of the air inlet (11) when the dust guide frame (9) is lowered to the lowest position.

11. Air cleaning apparatus according to claim 7, characterized in that a heat generating plate (2) is provided in the housing (1) between the screen assembly (3) and the lifting mechanism.