CN109340951B

CN109340951B - Automatic change room air purifier

Info

Publication number: CN109340951B
Application number: CN201811437319.5A
Authority: CN
Inventors: 屠黎丽; 冯雅琴
Original assignee: Huzhou Pinchuang Incubator Co ltd
Current assignee: Huzhou Pinchuang Incubator Co ltd
Priority date: 2018-11-28
Filing date: 2018-11-28
Publication date: 2022-05-24
Anticipated expiration: 2038-11-28
Also published as: CN109340951A

Abstract

The invention discloses an automatic indoor air purifier, which comprises a casing, a filtering mechanism arranged in the casing, and: the cleaning spray head is arranged in the shell and faces the filtering mechanism, and the cleaning spray head sprays cleaning liquid towards the end face of one side of the air outlet of the filtering mechanism; the flow guide piece is positioned at the nozzle of the cleaning spray head, and can movably change the spraying direction of the cleaning liquid to enable the cleaning point to cover the whole filtering surface of the filtering mechanism; and the water receiving tray is arranged at the bottom of the rack and is connected with the drain pipe. So, start inside washing shower nozzle, spout the washing liquid through washing the shower nozzle with the opposite direction with the circulation of air and wash on to filter mechanism, wherein, at the spray rinsing in-process, the direction of guide washing liquid is come through the motion of water conservancy diversion spare for can wash filter mechanism's whole washing face, reach good cleaning performance, and the washing liquid can flow into the water collector after washing, discharges in the drain pipe through the guide of water collector.

Description

Automatic change room air purifier

Technical Field

The invention relates to air purification equipment, in particular to an automatic indoor air purifier.

Background

The air purifier is a product capable of adsorbing, decomposing or converting various air pollutants (generally including PM2.5, dust, pollen, peculiar smell, formaldehyde and other decoration pollutants, bacteria, allergens and the like) and effectively improving the air cleanliness. With the improvement of society and living standard, haze problem caused by urbanization, real estate decoration heat caused by living upgrade, health attention paid by consumers and other problems, the development of air purifiers is greatly developed in recent years.

Chinese patent with application publication No. CN 107883444 a and application date of 2017, 11, month and 8 discloses an automatic indoor air purifier, in which a distance detection module, an air quality detection module, an air purification module, a control module and the like are integrated, so that the intelligence of the air purifier is improved.

In addition, along with the continuous popularization of intelligent manufacturing, the intelligence of air purifier has improved very big degree, but the current clarifier in the existing market, no matter intelligent or ordinary type, filter screen in it all need manual dismantlement to incline after long-time the use, and is very troublesome loaded down with trivial details.

Disclosure of Invention

The invention aims to provide an automatic indoor air purifier which has the advantage of automatically cleaning a filter screen.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides an automatic change indoor air purifier, includes the casing and locates the filtering mechanism in the casing, and:

the cleaning spray head is arranged in the shell and faces the filtering mechanism, and the cleaning spray head sprays cleaning liquid towards the end face of one side of the air outlet of the filtering mechanism;

the flow guide piece is positioned at the nozzle of the cleaning spray head, and can movably change the spraying direction of the cleaning liquid to enable the cleaning point to cover the whole filtering surface of the filtering mechanism;

and the water receiving tray is arranged at the bottom of the rack and is connected with the drain pipe.

So set up, purify the air through filtering mechanism when normal use, and after using a period, the dust of adhesion on the filter than many, behind the bacterium, can start inside washing shower nozzle, it washs to spout the washing liquid with the opposite direction of circulation of air to filtering mechanism through washing the shower nozzle (the washing liquid can be the running water, add the running water of detergent, germicide etc. mixture, wherein, in the spray rinsing process, the direction of guide washing liquid is come through the motion of water conservancy diversion spare, make and to wash filtering mechanism's whole washing face, reach good cleaning performance, and the washing liquid can flow into the water collector after washing, the guide through the water collector is discharged in the drain pipe.

More preferably: the filtering mechanism comprises a cylindrical mounting frame and a filter screen sleeved on the mounting frame; the washing shower nozzle is located in the mounting bracket and the nozzle sets up along the axial lead direction of mounting bracket, be equipped with the center on the water conservancy diversion spare to the bellied periphery of nozzle direction.

Set filter mechanism to the tubular structure to the adoption comes to washing shower nozzle blowout washing liquid effect with the water conservancy diversion spare, after blockking and the guide of water conservancy diversion spare, forms 360 water curtains, and the removal of rethread water conservancy diversion spare makes the water curtain that produces move on filter mechanism, thereby washs whole filtering surface, should set up the structure, makes and washs that the structure is very simple, occupation space is also very little, can reach good effect simultaneously again.

More preferably: the flow guide piece is controlled by a driving motor to do reciprocating motion along the axial lead direction of the mounting rack.

So set up, the required mounting structure of driving motor is fairly simple, directly through circuit and control panel to it control can.

More preferably: the center of the circumferential surface of the bulge of the flow guide part is provided with a driving rod, and the end part of the driving rod is connected with a driving motor through a spiral lifting mechanism.

So set up for when converting the removal of water conservancy diversion spare from driving motor's rotation, the removal of water conservancy diversion piece can be comparatively slow, and spiral elevating system is single direction drive, takes locking structure certainly, and this makes the corresponding also can be greatly in the optional space of motor, can select comparatively cheap motor to use according to the circumstances.

More preferably: the flow guide piece is controlled by a driving cylinder to do reciprocating motion along the axial lead direction of the mounting rack.

So set up, drive simple structure, stability, but need set up structures such as trachea, air pump, the shared space can be great.

More preferably: the included angle between each radial direction of the circumferential surface and the axis is gradually changed, the flow guide piece is rotatably connected to the driving rod, and a plurality of spiral grooves are formed in the circumferential surface of the flow guide piece.

So set up, through the gradual change setting, there is the difference in height in the position that the water curtain that makes the formation sprays on the filter screen, rethread helicla flute and the setting of rotation connection for under the effect of rivers, the rotation can take place for the guide, thereby can make the guide when same position, wash the area and become one section torus from a ring line, cover bigger area, thereby make the guide can wash the filter screen of bigger area at littleer live range ability.

More preferably: the drain pipe is a siphon pipe.

So set up, through the setting of siphon, can discharge fast when making the water collector internal water accumulation to a certain extent to can be cleaner with the dirty thing emission that washs down, be difficult to take place the jam problem again simultaneously.

More preferably: the water receiving tray is integrally arranged in an inclined mode, a concave depression is formed in the water receiving tray, and the drain pipe is connected to the depression of the water receiving tray.

So set up for rivers can all flow to the depression point department, thereby more quick discharge sewage.

More preferably: filtering mechanism sets up along vertical direction, the water collector is cyclic annular and locates filtering mechanism's the bottom outside, the water collector inside and outside diameter undercut forms the water conservancy diversion ditch, the degree of depth of water conservancy diversion ditch is less than the degree of depth of low point.

So set up, can all lead the water conservancy diversion ditch with the pollutant in the sewage in, thereby hollow point of rethread water conservancy diversion ditch discharges.

More preferably: the drain pipe is a siphon pipe.

So set up, through the setting of siphon, can discharge fast when making the water collector internal water accumulate to the certain degree to can be cleaner with the comparison of the dirty thing emission that washs down, be difficult to take place the jam problem again simultaneously.

More preferably: an ultraviolet germicidal lamp is arranged in the machine shell.

With the arrangement, the filter mechanism can be cleaned more cleanly by combining cleaning and ultraviolet sterilization.

In conclusion, the invention has the following beneficial effects: after air purifier uses a period, can directly wash the filter screen through inside cleaning system is automatic, after accomplishing the washing simultaneously, perhaps in the use, can carry out degree of depth sterilization through the ultraviolet ray, improve purifying effect.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is a schematic view of a water pan according to a first embodiment;

FIG. 3 is a side view of a water pan according to the first embodiment;

FIG. 4 is a schematic structural view of the second embodiment;

FIG. 5 is a side view of a baffle member according to a third embodiment;

FIG. 6 is a schematic structural view of a deflector according to a third embodiment;

in the figure, 1, a housing; 11. a mounting cavity; 12. an air inlet; 13. an air outlet; 2. a filtering mechanism; 21. a mounting frame; 22. a filter screen; 3. cleaning the spray head; 4. a flow guide member; 41. a drive rod; 42. a spiral lifting mechanism; 43. a drive motor; 44. a circumferential surface; 45. a helical groove; 5. a water pan; 51. a diversion ditch; 52. depressions; 6. an ultraviolet germicidal lamp; 7. a driving cylinder; 8. a water inlet pipe; 9. and a water discharge pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Example 1: an automatic indoor air purifier is shown in figure 1 and comprises a machine shell 1, a filtering mechanism 2, a cleaning spray head 3, a flow guide piece 4 and a water receiving disc 5, wherein an installation cavity 11 is arranged in the machine shell 1, an air inlet 12 and an air outlet 13 are arranged on the machine shell 1, the air inlet 12 is arranged on the side wall of the machine shell, the air outlet 13 is arranged at the top of the machine shell, and a suction fan is arranged at the air inlet 12. The air inlet 12 and the air outlet 13 are both communicated with the mounting cavity 11.

The filtering mechanism 2, the cleaning spray head 3, the flow guide piece 4 and the water receiving disc 5 are all installed in the installation cavity 11.

The filter mechanism 2 divides the installation cavity 11 into two chambers in the housing, and the two chambers are respectively communicated with the air inlet 12 and the air outlet 13, so that the air entering from the air inlet 12 can be discharged from the air outlet 13 after being filtered by the filter mechanism 2.

The filtering mechanism 2 comprises a mounting frame 21 and a filtering net 22, wherein the mounting frame 21 is of a cylindrical structure and is vertically arranged in the machine shell 1 along the axial lead direction. The filter screen 22 is also cylindrical, and is sleeved on the mounting frame 21 to form a wrapping structure, so that air entering from the air inlet 12 enters from the outer side of the filter screen 22 to the inner side and is discharged from the air outlet 13.

Wherein, the filter screen 22 is provided with at least two layers along the radial direction to form a graded filtering structure.

A coarse filter (not shown) is arranged at the air inlet 12 of the casing 1 for blocking large particles such as hair at the air inlet 12 to prevent them from entering and blocking the filter screen 22 to affect the filtering effect.

The cleaning nozzle 3 is arranged on the axis of the mounting frame 21 and is arranged at the bottom of the filtering mechanism 2, and a liquid inlet pipe communicated with the outside is arranged on the side wall of the cleaning nozzle.

The cleaning spray head 3 is arranged along the vertical direction, the spray nozzle faces upwards, the flow guide piece 4 is arranged above the spray nozzle, the end face of one end of the flow guide piece facing the spray nozzle is circular, and the end face is a conical circumferential surface 44 with the center protruding towards the direction of the spray nozzle. The cleaning liquid sprayed from the nozzle impacts the conical circumferential surface 44, a water curtain structure of 360 degrees is formed under the guiding action of the conical circumferential surface 44, and then the formed water curtain has enough water pressure to impact the filter screen 22 and wash away the dirt on the filter screen 22 through the arrangement of the water pressure at the nozzle.

The water pressure at the nozzle is at least 0.6MPA, wherein, during the downward movement of the guide, the gap between the guide and the nozzle is reduced, and the generated water pressure is correspondingly increased, so that the basic water pressure is set when the guide 4 is lifted to the top, so as to ensure that the formed water curtain can impact the top of the filter screen 22.

The center of the conical circumferential surface 44 is integrally provided with a driving rod 41, the driving rod 41 extends into the cleaning nozzle 3 from the nozzle, the end part of the driving rod 41 penetrates through the cleaning nozzle 3 and penetrates out of the cleaning nozzle 3, and the cross section of the driving rod 41 is in a regular quadrilateral shape, so that the driving rod 41 is axially positioned and inserted on the cleaning nozzle 3. The driving rod 41 is sealed with a sealing member between the driving rod 41 and the through hole of the cleaning head 3, and keeps the driving rod 41 movable on the cleaning head 3.

A screw elevating mechanism 42 is connected to an end of the driving rod 41, and a screw of the screw elevating mechanism 42 is integrally provided at the end of the driving rod 41. The worm of the spiral elevating mechanism 42 is connected with a rotating shaft of a driving motor 43, and the worm is integrally provided with the rotating shaft in the embodiment. The driving motor 43 drives the rotating shaft to rotate, then drives the turbine in the spiral lifting mechanism 42 to rotate, and the turbine drives the screw rod to move up and down after rotating, so as to drive the guide piece to ascend and descend in the vertical direction.

The water pan 5 is arranged at the outer side of the bottom end of the filtering mechanism 2, and is shown in the attached drawing 2, the water pan 5 is in a ring shape, the inner circle of the ring shape is connected to the filtering mechanism 2, and the outer circle of the ring shape is connected to the inner wall of the casing 1. The circular water pan 5 is provided with a diversion canal 51, and the diversion canal 51 is formed by the downward sinking of the two edges of the inner circle and the outer circle to the space between the two edges.

As shown in fig. 3, the diversion canal 51 is disposed obliquely along the circumferential direction, and a recessed depression 52 is formed on the water pan 5, and the depth of the depression 52 is smaller than that of the diversion canal 51.

An opening is arranged at the depression 52, the opening is connected with a drain pipe 9, and the drain pipe 9 is a siphon pipe.

As shown in fig. 1, a plurality of ultraviolet germicidal lamps 6 are fixed to the inner wall of the housing 1.

The working principle is as follows: in normal use, air enters the housing through the air inlet 12, is filtered by the filter screen 22 and then exits through the air outlet 13.

When the filter screen 22 needs to be cleaned after being used for a period of time, clean water or configured cleaning solution is introduced from the water inlet pipe 8 and then is sprayed out from the cleaning spray head 3. When the water flow is sprayed out, the water flow is sprayed onto the flow guide part 4 under the action of water pressure, and after the blocking and the guiding of the conical circumferential surface 44, a water curtain of 360 degrees is formed, and the water curtain impacts the filter screen 22 under the action of the water pressure.

When the cleaning nozzle 3 is started, the driving motor 43 rotates under the control of a circuit or a chip, the driving motor 43 rotates in a mode of forward rotation and reverse rotation which are repeated continuously, the forward rotation time and the reverse rotation time are the same, and the guide piece is slowly lifted and lowered in a reciprocating mode through rotation at a slow speed, so that the formed water curtain is lifted and lowered in a reciprocating mode, and the whole filter screen 22 is cleaned in an impact mode.

Example 2: as shown in fig. 4, the difference from embodiment 1 is that the guide member 4 is controlled by a driving cylinder 7 to reciprocate along the axial line of the mounting frame 21.

Example 3: as shown in fig. 5 and 6, the difference from embodiment 1 is that the angle between the radial direction and the axial line of the circumferential surface 44 of the guide member is gradually changed.

The guide member 4 is rotatably connected to the driving rod 41, and a plurality of spiral grooves 45 are formed on a circumferential surface 44 of the guide member 4.

Through the gradual change setting, there is the difference in height in the position that makes the water curtain that forms spraying on filter screen 22, rethread helicla flute 45 and the setting of rotation connection for under the effect of rivers, the guide can take place to rotate, thereby can make the guide when same position, wash the area and become one section torus from a ring line, cover bigger area, thereby make the guide can wash filter screen 22 of bigger area at littleer moving distance ability.

Example 4: the difference from embodiment 2 is that the angle between each radial direction of the circumferential surface 44 of the guide and the axial line is gradually changed.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides an automatic change indoor air purifier, includes casing (1) and locates filtering mechanism (2) in casing (1), characterized by still includes:

the cleaning sprayer (3) is arranged in the shell (1) and faces the filtering mechanism (2), and the cleaning sprayer (3) sprays cleaning liquid towards the end face of one side of the air outlet of the filtering mechanism (2);

the flow guide piece (4) is positioned at the nozzle of the cleaning spray head (3), and can movably change the spraying direction of the cleaning liquid to enable the cleaning point to cover the whole filtering surface of the filtering mechanism (2);

the water receiving tray (5) is arranged at the bottom of the rack and is connected with the drain pipe (9);

the filtering mechanism (2) comprises a cylindrical mounting frame (21) and a filtering net (22) sleeved on the mounting frame (21); the cleaning spray head (3) is arranged in the mounting frame (21), the spray nozzle is arranged along the axial lead direction of the mounting frame (21), and the stream guidance piece (4) is provided with a circumferential surface (44) with the center protruding towards the direction of the spray nozzle;

a driving rod (41) is arranged in the center of a raised circumferential surface (44) of the flow guide piece (4), included angles between the radial directions of the circumferential surface (44) and an axis line are gradually changed, the flow guide piece (4) is rotationally connected to the driving rod (41), and a plurality of spiral grooves (45) are formed in the circumferential surface (44) of the flow guide piece (4); the end part of the driving rod (41) is connected with a driving motor (43) through a spiral lifting mechanism (42), or

The flow guide piece (4) is controlled by a driving cylinder (7) to do reciprocating motion along the axial lead direction of the mounting rack (21);

an ultraviolet germicidal lamp (6) is arranged in the machine shell (1).

2. An automated indoor air purifier as claimed in claim 1, wherein: the drain pipe (9) is a siphon pipe.

3. An automated room air purifier as claimed in claim 1, wherein: the water receiving tray (5) is integrally arranged in an inclined mode, a concave depression point (52) is formed on the water receiving tray (5), and the drain pipe (9) is connected to the depression point (52) of the water receiving tray (5).

4. An automated room air purifier as claimed in claim 3, wherein: filtering mechanism (2) set up along vertical direction, water collector (5) are cyclic annular and locate the bottom outside of filtering mechanism (2), water collector (5) inside and outside diameter undercut forms water conservancy diversion ditch (51), the degree of depth of water conservancy diversion ditch (51) is less than the degree of depth of hollow point (52).

5. An automated room air purifier as claimed in claim 4, wherein: the drain pipe (9) is a siphon pipe.