CN210511990U

CN210511990U - Desktop air purifier of low noise

Info

Publication number: CN210511990U
Application number: CN201921587316.XU
Authority: CN
Inventors: 段洁
Original assignee: Shenzhen Nafa Technology Co ltd
Current assignee: Shenzhen Nafa Technology Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-12
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to the technical field of air purifiers, in particular to a low-noise desktop air purifier, which comprises a shell, wherein a diffuser, a fan, a current collector and a composite filter screen are sequentially arranged in the shell from top to bottom, the bottom of the shell is detachably provided with a filter screen replacing cover, a plurality of arc-shaped pressurizing blades are arranged in the diffuser in an equal dividing way, the pressurizing blades are all arranged in an inclined way, the side surface of the diffuser is provided with a plurality of punching holes, and the middle part of one end of the current collector facing the bottom of the shell is provided with; the utility model has the advantages that the filter screen can be conveniently and rapidly replaced, and when air is introduced upwards through the fan, the air resistance of the air is smaller, so that the air intake of the fan is increased; when the air passes through the plurality of arc-shaped supercharging blades arranged on the diffuser in an inclined mode, the kinetic energy of the air is converted into pressure energy, and the air is discharged indoors more quickly, so that the working efficiency is improved, and the noise to a certain degree can be reduced.

Description

Desktop air purifier of low noise

Technical Field

The utility model relates to an air purifier technical field, more specifically say, relate to a desktop air purifier of low noise.

Background

Because the air quality worsens day by day, people's demand for air purifier also increases by a wide margin, and in the indoor environment of modern society, the region that needs air purifier often is the place of people's main activity, for example indoor, or near the desktop of office, but air purifier generally places in angular position department, and the air purifier among the prior art its filter screen of filter screen change trouble, and some air purifier purification efficiency is lower, the noise is great, need work longer time before can send the air after the purification to indoor or near the desktop.

SUMMERY OF THE UTILITY MODEL

The utility model provides a desktop air purifier of low noise to prior art's above-mentioned defect.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a desktop air purifier of low noise, includes the casing, from the top has set gradually diffuser, fan, collector and compound filter screen in the casing, and the casing bottom can be dismantled and be provided with the filter screen and change the lid, and the equipartition is provided with a plurality of pressure boost blades that are the arc form in the diffuser, and a plurality of pressure boost blades all incline the setting, and the diffuser side is equipped with a plurality of punching a hole, and the collector is provided with the toper arch towards the one end middle part of casing bottom.

Furthermore, an air outlet net is arranged at one end of the shell close to the diffuser, and a plurality of air inlet holes are formed in the surface of one end of the shell, which is positioned at the composite filter screen.

Furthermore, the bottom of the shell is provided with a plurality of downward L-shaped hooks, the filter screen replacing cover is provided with a plurality of clamping grooves with the same number as the L-shaped hooks, and one side of each clamping groove is internally provided with a limiting plate with certain length and width.

Furthermore, a plurality of support columns which are vertical to the base and extend to the upper end of the shell are arranged in the bottom of the shell, and the diffuser and the current collector are fixedly connected with the support columns.

Furthermore, a plurality of vent holes are formed in the side face of the current collector, and a PM2.5 sensor and a negative ion generator are installed on the side face of the current collector at the positions of the vent holes.

Furthermore, the LED lamp panel is installed at the lower position of the composite filter screen in the bottom of the shell.

Furthermore, a rotating plate is arranged in the middle of the filter screen replacing cover, and a plurality of anti-slip pads are arranged at the edge of the filter screen replacing cover.

The beneficial effects of the utility model reside in that: the utility model can be disassembled by reversely rotating the filter screen replacing cover, the filter screen can be conveniently and quickly replaced, when air is introduced upwards through the fan, the air is discharged upwards along the conical convex surface of the collector, the air resistance received by the air is smaller, and therefore, the air intake of the fan is increased; when the air passes through the supercharging blades of a plurality of arc shapes which are arranged on the diffuser in an inclined mode, the kinetic energy of the air is converted into pressure energy, the air is discharged indoors more quickly, and therefore the working efficiency is improved, and due to the porous structure on the side face of the diffuser, noise to a certain degree can be reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:

fig. 1 is a schematic structural view of a low-noise and low-noise desktop air purifier provided by the present invention;

fig. 2 is a first angle exploded view of a low noise, low noise tabletop air purifier according to the present invention;

FIG. 3 is a second angular exploded view of a low noise, low noise tabletop air purifier according to the present invention;

FIG. 4 is an enlarged view of the point A of FIG. 3 according to the present invention;

FIG. 5 is a cross-sectional view of a low noise, low noise tabletop air purifier according to the present invention;

FIG. 6 is a schematic view of a low noise and low noise diffuser for a tabletop air purifier according to the present invention;

fig. 7 is a schematic view of a current collector of a low-noise and low-noise desktop air purifier according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-7, a low-noise and low-noise desktop air purifier comprises a housing 10, a diffuser 20, a fan 30, a current collector 40 and a composite filter screen 50 are sequentially arranged in the housing 10 from top to bottom, the diffuser 20 and the current collector 40 together form an air duct, the fan 30 is installed between the diffuser 20 and the current collector 40, the composite filter screen 50 comprises primary-effect, high-efficiency HEPA, active carbon and other components, a filter screen replacing cover 13 is detachably arranged at the bottom of the housing 10, and a hole larger than the diameter of the composite filter screen 50 is formed at the bottom of the housing 10, in the utility model, the composite filter screen 50 is inserted from the bottom of the housing 10, the filter screen replacing cover 13 is covered to complete the installation of the composite filter screen 50, a plurality of arc-shaped supercharging blades 21 are equally arranged in the diffuser 20, the supercharging blades 21 are all obliquely arranged, a plurality of punching holes 22 are, collector 40 is provided with toper arch 41 towards the one end middle part of casing 10 bottom (as shown in fig. 7, collector bottom up in fig. 7), play wind-guiding and cushioning effect, casing 10 is close to one of diffuser 20 and serves and install out fan net 11, it has seted up a plurality of fresh air inlets on the surface to lie in compound filter screen 50 one end on the casing 10, install LED lamp plate 15 in the casing 10 bottom, LED lamp plate 15 lies in compound filter screen 50's below, casing 10 top lies in out fan net 11 middle part position department and installs controller 16, fan 30 and LED lamp plate 15 electric connection controller 16 respectively, controller 16 passes through power cord connection commercial power or outside power supply unit.

When the utility model is used, the fan 30 is started through the controller 16, when the fan 30 works, air is pumped into the composite filter screen 50 from the air inlet, and the filtered air passes through the air channel formed by the collector 40 and the diffuser 20 and is discharged from the air outlet net 11; when air is introduced upwards through the fan 30, the air is discharged upwards along the surface of the conical protrusion 41 of the current collector 40, and the air is subjected to smaller wind resistance, so that the air inlet volume of the fan 30 is increased; when the air passes through the plurality of arc-shaped pressurizing blades 41 which are arranged on the diffuser 20 in an inclined mode, the kinetic energy of the air is converted into pressure energy, the air is discharged indoors more quickly, and therefore the working efficiency is improved, and due to the porous structure on the side face of the diffuser 20, noise can be reduced to a certain degree.

The bottom of casing 10 is provided with a plurality of L shape couple 12 down, is provided with a plurality of joint grooves 131 the same with L shape couple 12 quantity on the filter screen is changed and is covered 13, is provided with the limiting plate 132 (as shown in fig. 3, fig. 4) of certain length and width in joint groove 131 one side, and filter screen is changed and is covered 13 middle part and be provided with the rotor plate 133 that is convenient for rotate filter screen and change lid 13, and filter screen is changed and is covered 13 border position department and be provided with a plurality of slipmats 134.

Insert L shape couple 12 to the joint groove 131 do not be provided with the one end of limiting plate 132 on, rethread rotor plate 133 rotates the filter screen and changes lid 13, the one end that makes joint groove 131 be provided with limiting plate 132 rotates to L shape couple 12 department (marks as clockwise rotation), can change lid 13 with the filter screen and install in the casing 10 bottom, change lid 13 (anticlockwise rotation) through the counter-rotating filter screen, make L shape couple 12 be located joint groove 131 do not be provided with the one end of limiting plate 132, can change lid 13 with the filter screen and pull down, the operation is got up convenient and fast.

Install a plurality of perpendicular to bases in the bottom of casing 10 and extend to the support column 14 of casing 10 upper end, diffuser 20 and current collector 40 and support column 14 fixed connection, the utility model discloses well diffuser 20 and current collector 40 pass through the screw and are connected with support column 14.

The side surface of the current collector 40 is provided with a plurality of ventilation holes, the side surface of the current collector 40 is provided with a PM2.5 sensor 42 and an anion generator 43 at the positions of the ventilation holes, the PM2.5 sensor 42 and the anion generator 43 are electrically connected with the controller 16, when the PM2.5 sensor 42 detects that the value of PM2.5 in the air passing through the current collector 40 exceeds a preset value, a signal is sent to the controller 16, and the controller 16 starts the anion generator 43 to improve the air quality.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. The utility model provides a desktop air purifier of low noise, includes casing (10), from the top has set gradually diffuser (20), fan (30), collector (40) and compound filter screen (50) in casing (10), its characterized in that, casing (10) bottom can be dismantled and be provided with filter screen change lid (13), the equipartition is provided with a plurality of pressure boost blades (21) that are the arc form in diffuser (20), and is a plurality of pressure boost blades (21) all incline to set up, diffuser (20) side is equipped with a plurality of (22) that punch a hole, collector (40) are provided with toper arch (41) towards the one end middle part of casing (10) bottom.

2. The low-noise desktop air purifier as claimed in claim 1, wherein an air outlet net (11) is installed on one end of the housing (10) close to the diffuser (20), and a plurality of air inlet holes are opened on the surface of one end of the composite filter screen (50) on the housing (10).

3. The low-noise desktop air purifier as claimed in claim 1, wherein a plurality of downward L-shaped hooks (12) are arranged at the bottom of the housing (10), a plurality of clamping grooves (131) with the same number as the L-shaped hooks (12) are arranged on the filter screen replacing cover (13), and a limiting plate (132) with a certain length and width is arranged in one side of each clamping groove (131).

4. A low noise desk top air cleaner as defined in claim 1, wherein a plurality of support posts (14) are installed in the bottom of the housing (10) and are perpendicular to the base and extend to the upper end of the housing (10), and the diffuser (20) and the collector (40) are fixedly connected to the support posts (14).

5. The low noise desk air purifier as claimed in claim 1, wherein said current collector (40) has a plurality of ventilation holes formed on its side, and a PM2.5 sensor (42) and an anion generator (43) are installed on the side of the current collector (40) at the positions of the ventilation holes.

6. A low noise desk top air purifier as defined in claim 1, wherein the LED lamp panel (15) is mounted in the bottom of the housing (10) at a position below the composite filter screen (50).

7. A low noise desktop air cleaner as claimed in claim 1, wherein said screen replacing cover (13) is provided with a rotation plate (133) in the middle, and said screen replacing cover (13) is provided with a plurality of anti-slip pads (134) at the edge position.