阅读说明：本技术 一种桌面空气净化器 (Desktop air purifier ) 是由 邓永珍 邓运春 于 2021-08-09 设计创作，主要内容包括：本发明公开了一种桌面空气净化器,其包括面板以及净化器单元；其净化器单元设置于面板下部,包括外壳体以及净化组件,所述外壳体上设置有横截面呈扇形的面进风口；净化组件包括空气净化滤芯、装配套筒以及驱动单元,空气净化滤芯为扇形滤芯,并在空气净化滤芯上成型有第一扇形孔组；空气净化滤芯的背侧设置导风板,导风板具有弧形的科恩达表面,且导风板的导风方向向上,装配套筒上等间距间隔设置有与第一扇形孔组相匹配的第二扇形孔组,所述空气净化滤芯与所述装配套筒能进行相对转动,并在转动过程中,使得第一扇形孔组与第二扇形孔组叠合以形成连通风道。本发明结构紧凑、设计合理,空气净化效果佳。(The invention discloses a desktop air purifier, which comprises a panel and a purifier unit, wherein the panel is provided with a front panel and a back panel; the purifier unit is arranged at the lower part of the panel and comprises an outer shell and a purifying assembly, wherein the outer shell is provided with a surface air inlet with a fan-shaped cross section; the air purification assembly comprises an air purification filter element, an assembly sleeve and a driving unit, wherein the air purification filter element is a fan-shaped filter element, and a first fan-shaped hole group is formed in the air purification filter element; the dorsal part of air purification filter core sets up the aviation baffle, and the aviation baffle has curved coanda surface, and the wind-guiding direction of aviation baffle upwards, and equidistant interval is provided with the second fan-shaped punch combination with first fan-shaped punch combination assorted on the assembly sleeve, the air purification filter core with the assembly sleeve can carry out relative rotation to in the rotation process, make first fan-shaped punch combination and second fan-shaped punch combination coincide in order to form the intercommunication wind channel. The invention has compact structure, reasonable design and good air purification effect.)

1. A desktop air purifier is characterized by comprising a panel and a purifier unit;

the panel is embedded in the pre-opening position of the desktop, and an air outlet structure is arranged on the panel;

the purifier unit is fixedly arranged at the lower part of the panel and comprises an outer shell and a purifying component, the outer shell is a cylindrical shell, the upper surface and the lower surface of the outer shell are closed, and a surface air inlet with a fan-shaped cross section is arranged on the surface of the outer shell;

the purifying assembly is packaged in the outer shell and comprises an air purifying filter element, an assembling sleeve and a driving unit, the air purifying filter element is a fan-shaped filter element matched with the surface air inlet, the fan-shaped outer side surface of the air purifying filter element is an open surface, the inner side surface of the air purifying filter element is closed, a plurality of fan-shaped holes which are arranged at equal intervals are formed in the closed surface and used as a ventilation channel, and the fan-shaped holes on the inner side surface of the air purifying filter element jointly form a first fan-shaped hole group; the air guide plate is arranged on the back side of the air purification filter element, the outer edge of the air purification filter element is wrapped outside the air guide plate, the air guide plate is provided with an arc-shaped coanda surface, and the air guide direction of the air guide plate is upward; the assembling sleeve is fixedly assembled on the inner sides of the air purification filter element and the air deflector, the outer side surface of the assembling sleeve is attached to the inner side surface of the air purification filter element, second fan-shaped hole groups matched with the first fan-shaped hole groups are arranged on the ring surface corresponding to the cross section of the assembling sleeve at equal intervals, the air purification filter element and the assembling sleeve can rotate relatively, and in the rotating process, the first fan-shaped hole groups and the second fan-shaped hole groups are overlapped to form a communicated air channel;

the assembly sleeve inboard is provided with drive unit assembly position, and drive unit is assembled on the drive unit assembly position, drive unit is DC brushless motor, DC brushless motor certainly the radial air inlet in the face air intake outside to along DC brushless motor's the ascending air-out of center pin axial, and the fixed rubber pole that is the vertical setting of annular that is provided with in the drive unit assembly position is as the air-out guide bar.

2. The desktop air purifier of claim 1, wherein the included angle between the fan-shaped air inlet and the fan-shaped air inlet is 120-270 °.

3. The desktop air purifier as claimed in claim 1, wherein the outer edge of the panel is provided with a limiting outer edge, the panel is clamped in the pre-opening position of the desktop through the limiting outer edge, and a clamping member is arranged inside the limiting outer edge to fix the desktop air purifier in the pre-opening position.

4. The table top air cleaner of claim 3, wherein the clip is a rubber gasket or a rubber ring or a retaining buckle.

5. The table top air purifier of claim 1, wherein an aerodynamic diffuser is further disposed on the panel, and the outlet structure is preferably a louvered vent or a grid vent disposed on the aerodynamic diffuser.

6. The table top air purifier of claim 1, wherein the outer housing is an ABS plastic housing or a metal housing.

7. The desktop air purifier of claim 1, further comprising a detachable electrostatic screen support disposed between the outer housing and the purifying assembly, the electrostatic screen support having an electrostatic screen disposed thereon.

8. The desktop air purifier of claim 1, wherein the bottom of the outer housing is provided with an interlayer as a component cavity, a control circuit board is disposed in the component cavity, and the driving unit is controlled by the control circuit board.

Technical Field

The invention belongs to the technical field of air purification, and particularly relates to a desktop air purifier which occupies a small space and can be used in a desktop area.

Background

With the increasing progress of society and the rapid development of social economy, environmental problems are continuously induced for the continuous development of environment and resources, so that the indoor environment is increasingly poor due to the existence of a large amount of dust and toxic particles including viruses in urban air and the addition of some harmful volatile matters possibly released from indoor decoration.

In order to improve the quality of life, people often choose to use an air purifier to purify the surrounding air, and eliminate harmful volatile substances in the externally polluted air and the indoor decoration in daily life. However, the common air purifier in the market is usually large in size and is mostly placed at one indoor corner when in use, and the indoor desk or the region of the passenger desk needs the air purifier to work for a period of time and then obtains the purifying effect, so that the requirement of a user on purified air cannot be guaranteed. In addition, in order to pursue the purification effect, the conventional air purifier adopts a high-power fan for circulation, has high noise and is difficult to store in a non-use state.

Therefore, how to provide a desktop air purifier which is convenient, beautiful, comfortable and effective for personal use is a technical problem to be solved urgently in the industry.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a desktop air purifier which can be arranged in a built-in manner on a desk or a passenger-meeting desk so as to solve the defects in the technical background.

The technical problem solved by the invention is realized by adopting the following technical scheme:

a desktop air purifier comprises a panel and a purifier unit;

the panel is embedded in the pre-opening position of the desktop, and an air outlet structure is arranged on the panel;

the purifier unit is fixedly arranged at the lower part of the panel and comprises an outer shell and a purifying component, the outer shell is a cylindrical shell, the upper surface and the lower surface of the outer shell are closed, and a surface air inlet with a fan-shaped cross section is arranged on the surface of the outer shell;

the purifying assembly is packaged in the outer shell and comprises an air purifying filter element, an assembling sleeve and a driving unit, the air purifying filter element is a fan-shaped filter element matched with the surface air inlet, the fan-shaped outer side surface of the air purifying filter element is an open surface, the inner side surface of the air purifying filter element is closed, a plurality of fan-shaped holes which are arranged at equal intervals are formed in the closed surface and used as a ventilation channel, and the fan-shaped holes on the inner side surface of the air purifying filter element jointly form a first fan-shaped hole group; the air guide plate is arranged on the back side of the air purification filter element, the outer edge of the air purification filter element is wrapped outside the air guide plate, the air guide plate is provided with an arc-shaped coanda surface, and the air guide direction of the air guide plate is upward; the assembling sleeve is fixedly assembled on the inner sides of the air purification filter element and the air deflector, the outer side surface of the assembling sleeve is attached to the inner side surface of the air purification filter element, second fan-shaped hole groups matched with the first fan-shaped hole groups are arranged on the ring surface corresponding to the cross section of the assembling sleeve at equal intervals, the air purification filter element and the assembling sleeve can rotate relatively, and in the rotating process, the first fan-shaped hole groups and the second fan-shaped hole groups are overlapped to form a communicated air channel;

the assembly sleeve inboard is provided with drive unit assembly position, and drive unit is assembled on the drive unit assembly position, drive unit is DC brushless motor, DC brushless motor certainly the radial air inlet in the face air intake outside to along DC brushless motor's the ascending air-out of center pin axial, and the fixed rubber pole that is the vertical setting of annular that is provided with in the drive unit assembly position is as the air-out guide bar.

As a further limitation, the included angle of the fan-shaped air inlet corresponding to the surface air inlet is 120-270 degrees.

As a further limitation, the outer edge of the panel is provided with a limiting outer edge, the panel is clamped in the pre-hole position of the desktop through the limiting outer edge, a clamping piece is arranged on the inner side of the limiting outer edge to fix the desktop air purifier in the pre-hole position, and the clamping piece is a rubber gasket or a rubber ring sleeve or a fixing buckle.

As a further limitation, an aerodynamic diffusion cover is further disposed on the panel, and the air outlet structure is preferably a louvered air outlet or a grid air outlet and is disposed on the aerodynamic diffusion cover.

As a further limitation, the outer casing is an ABS plastic casing or a metal casing.

As a further limitation, the inner side surface of the air purification filter element and the outer side surface of the assembling sleeve are provided with matched tooth-shaped meshing surfaces, the tooth-shaped meshing surfaces comprise a first convex tooth and a second convex tooth which are arranged oppositely, the first convex tooth and the second convex tooth are respectively arranged on the air purification filter element and the assembling sleeve, and in the process that the air purification filter element and the assembling sleeve rotate relatively, the first fan-shaped hole group and the second fan-shaped hole group are switched between a completely-overlapped state and a staggered state.

As a further limitation, a detachable static filter screen support is further arranged between the outer shell and the purification assembly, and a static filter screen is arranged on the static filter screen support.

As a further limitation, the bottom of the outer casing is provided with an interlayer as an element cavity, a control circuit board is arranged in the element cavity, and the drive unit is controlled by the control circuit board.

Has the advantages that: the desktop air purifier has a compact structure and is convenient to operate, the air purifying filter element is arranged in a fan shape and matched with the fan-shaped air inlet surface to match different air channels, so that two air purifying modes with different states and using effects are realized, the desktop air purifier can be used by individuals on desktops in offices or rooms without unified air purifying equipment, the air purifying effect is good, the output purified air can effectively cover effective breathing space around the head of the user, the application range of the purifier is greatly improved, the consumable material is low in invalid loss and more uniform in loss, and the consumable material is long in service life.

Drawings

FIG. 1 is a structural cross-sectional view of a preferred embodiment of the present invention.

FIG. 2 is a cross-sectional view of the preferred embodiment of the present invention.

Wherein: 1. a table top plate; 2. a seal ring; 3. a panel; 4. a rubber ring sleeve; 5. an aerodynamic diffuser shroud; 6. a grid air outlet hole; 7. an outer housing; 8. a face air inlet; 9. an electrostatic filter screen; 10. a filter element body; 11. a filter element housing; 12. assembling the sleeve; 13. an air outlet guide rod; 14. a DC brushless motor; 15. a motor mounting seat; 16. assembling a base; 17. a partition plate; 18. an element cavity; 19. an air deflector; 20. a fan-shaped hole I; 21. and (4) a fan-shaped hole II.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 and 2, in the present embodiment, the desktop air purifier includes a panel 3 and a purifier unit, an upper portion of the purifier unit is detachably assembled and connected with the panel 3 by a snap fit and a screw member, the panel 3 is a whole circular aluminum alloy plate, and an outer edge of the panel 3 is provided with a limiting outer edge. An assembly hole is correspondingly arranged on the desktop plate 1 of the desk body to be assembled, an assembly space is reserved at the lower part of the assembly hole to accommodate the purifier unit, and the outer diameter of the limiting outer edge corresponding to the panel 3 is larger than the aperture of the assembly hole on the desktop plate 1 so as to be lapped on the outer edge of the assembly hole on the desktop plate 1 to complete assembly.

For matching assembly, the outer shell 7 of the purifier unit is of a cylindrical structure, the bottom surface of the outer shell is closed, and the upper part of the outer shell 7 is sleeved with a rubber ring sleeve 4 as a clamping piece to clamp the purifier unit at the position corresponding to the assembly hole, so that the displacement or noise generation caused by vibration in the use process is prevented; in addition, the outer side of the rubber ring sleeve 4 is filled with a gap between the panel 3 and the table top plate 1 through the sealing ring 2, so that the waterproof and dustproof effects are realized.

The upper portion of panel 3 is provided with aerodynamic force diffusion cover 5, and aerodynamic force diffusion cover 5 is evagination cambered surface structure to the shaping has grid exhaust vent 6 as the air-out structure on its surface, and aerodynamic force diffusion cover 5 and grid exhaust vent 6's cooperation can be used to become the cambered surface air-out with vertical to air-out, makes the air-out softer.

In this embodiment, the outer casing 7 of the purifier unit is an ABS plastic casing with better cost, and in other embodiments, the outer casing 7 may also be a metal casing with better heat dissipation performance and better texture, the outer casing 7 includes an upper cavity and a lower cavity, the upper cavity and the lower cavity are separated by a partition 17, the lower cavity at the lower part of the partition 17 is an element cavity 18, a control circuit board is disposed in the element cavity 18, and the control circuit board controls driving and controlling of each element in the device.

The upper cavity body on the upper portion of the partition board 17 is a purification cavity, a purification component is arranged in the purification cavity, a surface air inlet 8 is formed in the side wall of the outer shell 7 corresponding to the purification cavity, the surface air inlet 8 is a fan-shaped air inlet with an included angle of 240 degrees, and the surface air inlet 8 faces outwards, as shown in fig. 2. An electrostatic filter screen support is concentrically arranged on the inner side of the outer shell 7, and an electrostatic filter screen 9 is arranged on the electrostatic filter screen support to filter the inlet air of the opposite air inlet 8 for the first time, namely electrostatic dust removal; the electrostatic filter support is of a detachable structure so as to be detached after being used for a period of time to clean dust accumulated on the electrostatic filter 9.

The inner side of the electrostatic filter screen 9 is concentrically provided with an air purification filter element for filtering air entering the electrostatic filter screen, the air purification filter element is a fan-shaped filter element with an included angle of 240 degrees, and the outer side of the air purification filter element is an open surface to correspond to the surface air inlet 8. The air purification filter element comprises a filter element body 10 and a filter element shell 11, wherein the filter element body 10 is consistent with the core structure of a commercially available air filter, the filter element shell 11 is U-shaped, the upper part, the lower part and the inner side of the filter element body 10 are wrapped and sealed, a plurality of fan-shaped holes I20 which are arranged at equal intervals are formed in the wrapping edge of the inner side surface to be used as a ventilation channel, and the fan-shaped holes I20 in the filter element shell 11 jointly form a first fan-shaped hole group. The back side of the air purification filter element is provided with an air deflector 19, the air deflector 19 is correspondingly in a 120-degree fan shape to form a complete ring surface with the air purification filter element, the outer edge of the air deflector 19 is wrapped by the outer edge of the air purification filter element, the air deflector 19 is an arc-shaped plate body with a smooth inner surface, an arc-shaped coanda surface is arranged on the inner side surface, and the air guiding direction of the air deflector 19 is upward through the arrangement of the coanda surface.

In this embodiment, an assembling sleeve 12 is concentrically disposed inside a ring surface formed by the air deflector 19 and the air purification filter element, an outer side surface of the assembling sleeve 12 is attached to an inner side surface of the filter element housing 11 in the air purification filter element, a plurality of fan-shaped holes II 21 are formed in a cylinder surface of the assembling sleeve 12 at equal intervals, the size of the fan-shaped holes II 21 is matched with that of the fan-shaped holes I20, and a second fan-shaped hole group is formed, the air purification filter element and the assembling sleeve 12 can rotate relative to each other, in the rotating process, the first fan-shaped hole group and the second fan-shaped hole group are overlapped according to the pattern of fig. 2 to form a communicating air duct, and also after the rotating process, the first fan-shaped hole group and the second fan-shaped hole group are dislocated to form a closed surface.

In another embodiment, in order to facilitate the switching of the communicating air duct in the fully open or closed state during the rotation of the air purifying filter element and the assembling sleeve 12, the upper end and/or the lower end of the air purifying filter element and the assembling sleeve 12 are/is provided with matched tooth-shaped meshing surfaces, the tooth-shaped meshing surfaces comprise first convex teeth and second convex teeth which are arranged oppositely, the first convex teeth and the second convex teeth are arc-top convex teeth and are respectively arranged on the air purifying filter element and the assembling sleeve 12, and in the relative rotation process of the air purifying filter element and the assembling sleeve 12, the first fan-shaped hole group and the second fan-shaped hole group are switched between the fully overlapped state and the staggered state, so as to realize the switching of the fully open or closed state of the communicating air duct.

A driving unit mounting position is arranged on the inner side of the mounting sleeve 12, a motor mounting seat 15 is arranged on the driving unit mounting position, a brushless direct current motor 14 is mounted on the motor mounting seat 15, and the brushless direct current motor 14 radially enters air from the outer side of the surface air inlet 8 and axially and upwards exits air along the central shaft of the brushless direct current motor 14. Meanwhile, a rubber base is arranged at the base of the motor mounting seat 15, the rubber base can reduce vibration of the brushless DC motor 14 in the operation process, and a rubber rod which is vertically arranged in an annular shape is arranged at the outer edge of the rubber base and serves as an air outlet guide rod 13.

The air purifier of this embodiment has two kinds of operating condition, under first operating condition, first fan-shaped punch combination and second fan-shaped punch combination are according to the coincide of figure 2 pattern in order to form the intercommunication wind channel, direct current brushless motor 14 is in low power running state this moment, outside air gets into equipment from face air intake 8, get into filter element body 10 after electrostatic precipitator through electrostatic strainer 9, through filter element body 10 purify the back under the negative pressure effect through the inboard region of intercommunication wind channel direct entering assembly sleeve 12 to upwards spill over the air after purifying from aerodynamic diffusion cover 5 through grid exhaust vent 6 through direct current brushless motor 14 effect. The first operating state is a normal mode operating state.

In the second working state, the first fan-shaped hole group and the second fan-shaped hole group are staggered to form a closed surface, at the moment, the direct current brushless motor 14 is in a high-power running state, external air enters the device from the surface air inlet 8, enters the filter element body 10 after being subjected to electrostatic dust removal through the electrostatic filter screen 9, and because the inner side of the filter element body 10 is closed, under the high negative pressure state, the external air moves circularly in the filter element body 10 and overflows from the two sides of the filter element body 10 after passing through the whole filter element body 10, the air hammer effect generated at both sides of the filter element body 10 hits the air deflector 19, and is guided on the coanda surface of the air deflector 19, and flows upward by the dc brushless motor 14, in the process, an irregular large-flow purified airflow is easily formed, so that the discomfort possibly generated for a user by the air outlet is reduced, the airflow needs to be rectified and buffered by the air outlet guide rod 13 and then overflows from the aerodynamic diffusion cover 5 through the grid air outlet 6. The second operating state is a power mode operating state.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.