CN210511281U

CN210511281U - Control assembly and air purifier

Info

Publication number: CN210511281U
Application number: CN201921857639.6U
Authority: CN
Inventors: 龚梦洋
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-05-12
Anticipated expiration: 2029-10-31

Abstract

The utility model provides a control assembly and air purifier, control assembly includes leaded light spare (1), inside has cavity (21) and adiactinic casing (2), and first fixed subassembly (4) and first light source (3), leaded light spare (1) press from both sides and establish between casing (2) and first fixed subassembly (4), leaded light spare (1) is including leading light portion (15) and light-emitting portion (16) be connected with leading light portion (15), lead light portion (15) upper surface and the laminating of first fixed subassembly (4) and form reflection of light face (13), first light source (3) are located casing (2) and face the lower surface of leading light portion (15), the light that first light source (3) incided leading light portion (15) jets out from light-emitting portion (16) after the length direction reflection of light portion (15) is followed through reflection of light face (13). The utility model discloses can the light show comparatively even.

Description

Control assembly and air purifier

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a control assembly and air purifier.

Background

As society develops, air quality also becomes increasingly poor. In order to improve the quality of life, people often choose to use an air purifier to purify the surrounding air in daily life.

The existing air purifier is generally provided with a light assembly, and the indoor air environment quality of a user is reminded through different light effects of the light assembly or different colors of light. Specifically, the light assembly generally comprises a lampshade and an LED lamp arranged behind the lampshade, the LED lamp is generally a point-shaped or strip-shaped light source, and when the LED lamp is used, light of the LED lamp penetrates through the lampshade and is incident to eyes of a user.

However, in the existing point-shaped or strip-shaped LED lamp, because the light emitting range is limited to a local area, when the light emitted by the LED lamp is incident on the lamp cover with a large area, the problem of uneven light display occurs.

SUMMERY OF THE UTILITY MODEL

The utility model provides a control assembly and air purifier can make the light show comparatively evenly.

In a first aspect, the utility model provides a control assembly, including the leaded light spare, inside has cavity and the lightproof casing, and first fixed subassembly and first light source, the leaded light spare presss from both sides and establishes between casing and first fixed subassembly, the leaded light spare is including leading the optical part and the portion of light-emitting that is connected with leading the optical part, lead the optical part upper surface and laminate with first fixed subassembly and form the reflection of light face, first light source is located the casing and towards the lower surface of leading the optical part, the light that first light source incides the optical part jets out from the portion of light-emitting after the length direction reflection of optical part is followed to the reflection of light face.

The light guide part is arranged on the light guide part, the first light source faces the lower surface of the light guide part, and for the first light source in a point shape or a strip shape, the emergent light of the first light source is emitted from the light emitting part after being incident on the light guide part and firstly passes through the normal light guide function of the light guide part.

In one possible embodiment, a light reflecting surface is formed on an end of the upper surface of the light guide portion away from the light emergent portion, and the light reflecting surface is an inclined surface.

Thus, the reflecting path of the incident light from the first light source is long, and the light reflecting surface is an inclined surface, so that the light from the lower surface of the light guide part can be reflected to the side light emitting part.

In a possible implementation manner, the light guide member is an annular hollow light guide member, the light guide portion and the light emitting portion are sequentially arranged along a radial direction of the light guide member, the first fixing assembly is formed with a first annular rib and a second annular rib, the first annular rib is attached to the upper surface of the light guide portion, the second annular rib is attached to the inner ring side of the light guide member, and a light reflecting surface is formed at the joint of the first annular rib and the second annular rib.

The leaded light spare is annular leaded light spare, can realize the light effect of 360 rounds around the control assembly like this, novel structure, and it compares with planar leaded light spare, and the light scattering is even.

Through setting up first annular flange and second annular flange, can press from both sides the light guide part and establish in the semi-enclosed space that first annular flange and second annular flange enclose, all restrict light as far as possible in the light guide part. In addition, the first annular rib is attached to the upper surface of the light guide part, and the second annular rib is attached to the inner ring side of the light guide part, so that light can be prevented from being emitted from the light guide part to be refracted in the air, and the luminance loss is caused.

In a possible embodiment, the first fixing component is formed with a first fixing seat extending downward, and the first fixing seat is matched with the housing to fix the first light source.

Thereby, the first light source can be fixed inside the housing.

In a possible embodiment, the first fixing seat includes a first extending portion extending downward to a side of the first light source.

Therefore, the first extending part is shielded at the side of the first light source, and the light emitted from the first light source cannot be dispersed to the periphery due to shielding of the first extending part, so that the light source is fully utilized.

In a possible embodiment, the first fixing assembly comprises a second fixing seat, the second fixing seat is connected with the first fixing seat, and the first annular rib and the second annular rib are formed on the second fixing seat.

In one possible embodiment, the second annular rib extends downwardly into contact with the first extension.

Therefore, the second annular rib and the first extending part are shielded on the side of the first light source together, and light emitted by the first light source is prevented from being diffused to the side.

In a possible embodiment, the first fixing assembly further includes a display plate, the first fixing base further includes a bottom wall portion, an edge of the bottom wall portion is connected to a top end of the first extending portion, and the display plate is located in a space surrounded by the bottom wall portion and the second annular rib, and/or the display plate is located in a space surrounded by the bottom wall portion, the second annular rib, and the first extending portion.

The display panel is located in a space defined by the bottom wall portion and the second annular rib, namely, the display panel is located above the bottom wall portion, and the first light source is located below the bottom wall portion, so that light rays of the first light source cannot cause interference on display of the display panel.

In a possible implementation manner, the lighting device further comprises a lamp panel for fixing the first light source, the housing comprises an upper housing and a bottom housing, the first fixing assembly and the lamp panel are detachably fixed to the upper housing, and the first fixing seat in the first fixing assembly is detachably fixed to the bottom housing.

Like this, first fixed subassembly and lamp plate are fixed on last casing, and first fixed subassembly is fixed on the drain pan, just so with last casing, first fixed subassembly, lamp plate and drain pan fixed as a whole.

In a possible embodiment, the light emergent portion is embedded in an outer side wall of the housing, and an extending direction of the light emergent portion and an extending direction of the light guide portion form an included angle.

Since the light emergent portion is embedded on the outer side wall of the shell, the light emergent portion is exposed on the outer side wall of the shell, and therefore light emitted from the light emergent portion can be seen by a user.

In one possible embodiment, the first light sources are arranged in a ring.

The first light source is corresponding to the light guide piece in shape, so that light emitted by the light emitting part of the light guide piece is more uniform.

The second aspect, the utility model provides an air purifier, including clarifier host computer and foretell control assembly, control assembly sets up in clarifier host computer top.

The structure of the present invention and other objects and advantages thereof will be more clearly understood from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a cross-sectional view of a control assembly according to an embodiment of the present invention;

fig. 2 is an exploded view of a control assembly according to a first embodiment of the present invention;

fig. 3 is an exploded view of another angle of the control assembly according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating a control assembly in a first state during an installation process according to an embodiment of the present invention;

fig. 5 is a schematic view illustrating a control assembly in a second state during installation according to an embodiment of the present invention;

fig. 6 is a schematic view illustrating a control assembly in a third state during an installation process according to an embodiment of the present invention;

fig. 7 is a schematic view illustrating a control assembly in a fourth state during installation according to an embodiment of the present invention;

fig. 8 is a schematic view illustrating a control assembly in a fifth state during installation according to an embodiment of the present invention;

fig. 9 is a schematic view illustrating a control assembly in a sixth state during installation according to an embodiment of the present invention;

fig. 10 is a schematic view of another angle of the control assembly in a sixth state during installation according to an embodiment of the present invention;

fig. 11 is an exploded view of an air purifier provided by the second embodiment of the present invention.

Description of reference numerals:

100-a control component; 1-a light guide; 2-a shell; 3-a first light source; 4-a first fixation assembly; 5-a display panel; 13-a light-reflecting surface; 15-a light guide part; 16-a light emitting portion; 21-a hollow cavity; 22-a second fixed seat; 24-a first fixed seat; 25-a lamp panel; 26-a bottom shell; 27-an upper housing; 221-a first annular rib; 222-a second annular rib; 223-a first mounting hole; 224-circuit protection cover; 225-mounting notches; 231-a third fastener; 241-a first extension; 242 — a second mounting hole; 243-a second fastener; 240-bottom wall portion; 251-a third mounting hole; 271-a first fastener; 200-an air purifier; 300-purifier main unit.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Fig. 1 is a sectional view of a control assembly according to an embodiment of the present invention, fig. 2 is an exploded view of a control assembly according to an embodiment of the present invention, fig. 3 is an exploded view of another angle of the control assembly provided in the embodiment of the present invention, as shown in fig. 1-3, the utility model provides a control assembly 100, including light guide member 1, the inside casing 2 that has cavity 21 and not light tight, and first fixed subassembly 4 and first light source 3, light guide member 1 presss from both sides and establishes between casing 2 and first fixed subassembly 4, light guide member 1 includes light guide part 15 and light-emitting part 16 connected with light guide part 15, light guide part 15 upper surface and the laminating of first fixed subassembly 4 form reflective surface 13, first light source 3 is located casing 2 and faces the lower surface of light guide part 15, the light that first light source 3 incides light guide part 15 jets out from light-emitting part 16 after the length direction reflection of light guide part 15 is followed through reflective surface 13.

In the above-described embodiment, the light reflecting surface 13 is formed on the upper surface of the light guide part 15, and the first light sources 3 face the lower surface of the light guide part 15, so that the first light sources 3 in a dot shape or a stripe shape emit light from the light emitting part 16 after the light emitted from the first light sources 3 enters the light guide part 15 by the normal light guiding action of the light guide member 1, and in addition, the light is reflected in the longitudinal direction of the light guide part 15 by the light reflecting surface 13 and then emitted from the light emitting part 16, thereby performing the light uniformizing action on the light sources and making the light display uniform.

Here, the light guide portion 15 of the light guide member 1 may receive light from the first light source 3 and transmit the light to the light exit portion 16 with a minimum loss of light. The first light source 3 may be an LED lamp or the like according to actual needs, and may be a point-like first light source 3 or a strip-like first light source 3. A hollow cavity 21 is formed inside the housing 2 so as to accommodate the light guide 1, the first light source 3, and other devices. The light guide part 15 of the light guide member 1 is disposed in the hollow cavity 21, and the light emitting surface of the first light source 3 is disposed toward the light guide part 15, so that the emergent light of the first light source 3 is incident into the light guide member 1 from the light guide part 15, and the light emitting part 16 is exposed outside the housing 2, so that the light transmitted in the light guide member 1 is guided out of the light emitting part 16 and is seen by a user.

In order to make the reflection path of the incident light from the first light source 3 longer, the light reflecting surface 13 may be an inclined surface to reflect the light from the lower surface of the light guide part 15 to the light emergent part 16 on the side, and specifically, optionally, the light reflecting surface 13 is formed at one end of the upper surface of the light guide part 15 far from the light emergent part 16, and the light reflecting surface 13 is an inclined surface.

In the embodiment of this application, leaded light 1 is annular cavity leaded light, can realize 360 light effects of round around the control assembly 100 like this, novel structure, and it compares with planar leaded light 1, and the light scattering is even.

The light guide part 15 and the light outlet part 16 are sequentially arranged along the radial direction of the light guide part 1, the first fixing component 4 is provided with a first annular rib 221 and a second annular rib 222, the first annular rib 221 is attached to the upper surface of the light guide part 15, the second annular rib 222 is attached to the inner ring side of the light guide part 1, and a light reflecting surface 13 is formed at the joint of the first annular rib 221 and the second annular rib 222. By providing the first annular rib 221 and the second annular rib 222, the light guide part 15 can be clamped in a semi-closed space surrounded by the first annular rib 221 and the second annular rib 222, so that all light rays can be limited in the light guide part 15 as much as possible. In addition, the first annular rib 221 is attached to the upper surface of the light guide portion 15, and the second annular rib 222 is attached to the inner ring side of the light guide member 1, so that the light emitted from the light guide portion 15 is prevented from being refracted in the air, and the loss of luminance is avoided. In addition, the first annular rib 221 is attached to the upper surface of the light guide part 15, and the second annular rib 222 is attached to the inner ring side of the light guide member 1, specifically, there is no gap between the first annular rib 221 and the upper surface of the light guide part 15, and there is no gap between the second annular rib 222 and the inner ring side of the light guide member 1. In addition, a light reflecting surface 13 is formed at the joint of the first annular rib 221 and the second annular rib 222, specifically, the light reflecting surface 13 is formed at the boundary of the first annular rib 221 and the second annular rib 222. Of course, the light reflecting surface 13 may be formed by one surface or a plurality of surfaces continuous to each other.

The light reflecting surface 13 may be formed in various manners, for example, by coating a light reflecting material on the surfaces of the first and second

annular ribs

221 and 222 opposite to the light guide part 15, and specifically, the first and second

annular ribs

221 and 222 may be formed as a plated member, for example, as a black plated member. Alternatively, the light guide 15 may be coated with a light reflecting material on the outer surface thereof.

In a possible embodiment, the first fixing assembly 4 is formed with a first fixing seat 24 extending downward, and the first fixing seat 24 cooperates with the housing 2 to fix the first light source 3. Thereby, the first light source 3 can be fixed inside the housing 2.

In the embodiment of the present application, when the first light source 3 is a point light source or a strip light source, the emitted light is easy to diverge to the periphery, so as to avoid this. The first fixing base 24 may include a first extension portion 241, and the first extension portion 241 extends downward to a side of the first light source 3. Therefore, the first extending portion 241 is shielded at the side of the first light source 3, and the light emitted from the first light source 3 is shielded by the first extending portion 241, so that the light is not scattered all around, which is beneficial to the full utilization of the light source.

Further, the first fixing assembly 4 includes a second fixing seat 22, the second fixing seat 22 is connected to the first fixing seat 24, and the first annular rib 221 and the second annular rib 222 are formed on the second fixing seat 22. As shown in fig. 1, the first annular rib 221 and the second annular rib 222 are formed at the edge of the second fixing seat 22, and the first annular rib 221 and the second annular rib 222 may have an included angle therebetween, for example, an included angle of 90 °.

In one possible embodiment, the second annular rib 222 extends downward into contact with the first extension 241. As shown in fig. 1, the second annular rib 222 may be disposed at an outer position of the first extending portion 241, such that the second annular rib 222 and the first extending portion 241 are shielded at a side of the first light source 3 together, and light emitted from the first light source 3 is prevented from being emitted to the side.

In addition, optionally, the first fixing member 4 further includes a display panel 5, and the display panel 5 is used for displaying some working information and the like of the control member 100. The first fixing base 24 further includes a bottom wall 240, an edge of the bottom wall 240 is connected to a top end of the first extending portion 241, and the display panel 5 is located in a space surrounded by the bottom wall 240 and the second annular rib 222, or the display panel 5 is located in a space surrounded by the bottom wall 240, the second annular rib 222 and the first extending portion 241. When the display panel 5 is located in the space enclosed by the bottom wall portion 240 and the second annular rib 222, that is, the display panel 5 is located above the bottom wall portion 240, and the first light source 3 is located below the bottom wall, the light of the first light source 3 does not interfere with the display of the display panel 5.

In a possible embodiment, the lighting panel 25 is further included for fixing the first light source 3, the housing 2 includes an upper housing 27 and a bottom housing 26, the first fixing assembly 4 and the lighting panel 25 are detachably fixed to the upper housing 27, and the first fixing seat 24 in the first fixing assembly 4 is detachably fixed to the bottom housing 26. Here, the lamp panel 25 may be formed in a ring shape corresponding to the light guide 1. In the above scheme, the first fixing assembly 4 and the lamp panel 25 are fixed on the upper casing 27, and the first fixing assembly 4 is fixed on the bottom casing 26, so that the upper casing 27, the first fixing assembly 4, the lamp panel 25 and the bottom casing 26 are fixed into a whole. The light exit portion 16 may be embedded at a boundary position of the bottom case 26 and the upper case 27. This makes it possible to fix the light guide 1 to the housing 2. The light-emitting part 16 is embedded at the interface position of the bottom shell 26 and the upper shell 27 to expose the light-emitting part 16 to the outer side wall

In order to extract the light of the light-emitting portion 16, the light-emitting portion 16 may be embedded in the outer sidewall of the housing 2, and the extending direction of the light-emitting portion 16 and the extending direction of the light guide portion 15 form an angle. The light exit portion 16 is exposed on the outer sidewall of the housing 2 so that the light exiting from the light exit portion 16 can be seen by a user. The angle between the extending direction of the light emergent portion 16 and the extending direction of the light guide portion 15 means that the light emergent portion 16 is inclined with respect to the light guide portion 15, especially the light emergent portion 16 is vertically arranged with respect to the horizontally arranged light guide portion 15, so that the light emergent area of the light emergent portion 16 can be increased.

In the embodiment of the present application, the first light source 3 corresponds to the shape of the light guide member 1, so that the light emitted from the light emitting portion 16 of the light guide member 1 can be more uniform. For example, the first light sources 3 may be annularly arranged on the lamp panel 25.

The following describes an assembly process of the control assembly 100 of the present embodiment. Fig. 4 is a schematic view of a control assembly provided by a first embodiment of the present invention being in a first state during installation, fig. 5 is a schematic view of a control assembly provided by a first embodiment of the present invention being in a second state during installation, fig. 6 is a schematic view of a control assembly provided by a first embodiment of the present invention being in a third state during installation, fig. 7 is a schematic view of a control assembly provided by a first embodiment of the present invention being in a fourth state during installation, fig. 8 is a schematic view of a control assembly provided by a first embodiment of the present invention being in a fifth state during installation, fig. 9 is a schematic view of a control assembly provided by a first embodiment of the present invention being in a sixth state during installation, fig. 10 is a schematic view of another angle of a control assembly provided by a first embodiment of the present invention being in a sixth state during installation, as shown in fig. 2, 4-10, a plurality of, for example, four first fastening members 271 are disposed on the back surface (the surface close to the inner side of the housing 2) of the upper housing 27, threaded holes are disposed in the first fastening members 271, the corresponding positions of the second fixing base 22 are respectively provided with a number of first mounting holes 223 equal to the number of the first fastening members 271, a circuit protection cover 224 is further disposed in the middle region of the second fixing base 22, the shape of the circuit protection cover 224 matches the contour of the upper surface of the circuit on the display panel 5, and the edge size of the display panel 5 is smaller than or equal to the inner edge size of the second annular rib 222, so that the display panel 5 is located inside the inner edge of the second annular rib 222.

The mounting process is as follows, as shown in fig. 4, first the first fastening member 271 of the upper housing 27 is aligned with the first mounting hole 223, and the first mounting hole 223 of the second fixing base 22 is sleeved on the first fastening member 271, so that the second fixing base 22 is located on one side of the upper housing 27, which is located on the upper side of the upper housing in fig. 4. Then, as shown in fig. 5, the display panel 5 is placed inside the second annular rib 222, and thus the display panel 5 is mounted on the second fixing base 22.

An installation notch 225 is further provided at a position corresponding to the first fastening member 271 on the annular light guide member 1, as shown in fig. 6, the installation notch 225 is aligned with the first fastening member 271, and the light guide member 1 is installed on the side of the second fixing base 22 in a manner that the first fastening member 271 is inserted into the installation notch 225, wherein the light guide member 1 is sleeved outside the second annular rib 222, that is, the inner edge portion (light guide portion 15) of the light guide member 1 and contacts with the second annular rib 222.

The first fixing seat 24 is provided with a second mounting hole 242, the position of the second mounting hole 242 corresponds to the position of the first fastening member 271, and is the same as the diameter of the threaded hole of the first fastening member 271, and the first fixing seat 24 is further provided with a second fastening member 243, and during specific installation, as shown in fig. 7, the second mounting hole 242 is aligned with the threaded hole of the first fastening member 271, and the first fixing seat 24 is placed on the first extending portion 241 of the second fixing seat 22.

The position that corresponds each other with second mounting hole 242 on lamp plate 25 is equipped with third mounting hole 251, and lamp plate 25 is also the annular structure, and its inner fringe portion just in time can cup joint the outside at second fastener 243, during specific installation, as shown in fig. 8, aligns third mounting hole 251 and second mounting hole 242 to place lamp plate 25 on first fixing base 24. And four fasteners, for example, screws, are screwed into the threads of the first fasteners 271 through the third mounting holes 251 and the second mounting holes 242, whereby the upper case 27, the second fixing base 22, the display panel 5, the light guide 1, the first fixing base 24, and the lamp panel 25 can be fixed together.

In addition, as shown in fig. 3, 9 and 10, a third fastening member 231 is provided in the bottom case 26, the third fastening member 231 is also provided with a threaded hole, the installation position of the third fastening member 231 is the same as the installation position of the second fastening member 243, specifically, during installation, the threaded hole of the third fastening member 231 is aligned with the threaded hole of the second fastening member 243, the bottom case 26 is installed on the upper side of the lamp panel 25, and the fastening member is screwed into the threaded hole of the third fastening member 231 and the threaded hole of the second fastening member 243, so that the installation of the control assembly 100 can be completed.

The control assembly of this embodiment, including the leaded light spare, the inside has cavity and the lightproof casing of cavity, and first fixed subassembly and first light source, the leaded light spare presss from both sides and establishes between casing and first fixed subassembly, the leaded light spare includes the leaded light portion and the light-emitting portion who is connected with the leaded light portion, the leaded light portion upper surface laminates with first fixed subassembly and forms the reflection of light face, first light source is located the casing and towards the lower surface of leaded light portion, the light that first light source incides the leaded light portion jets out from light-emitting portion after the length direction reflection of leaded light portion is followed to the reflection of light face. The light guide part is arranged on the light guide part, the first light source faces the lower surface of the light guide part, and for the first light source in a point shape or a strip shape, the emergent light of the first light source is emitted from the light emitting part after being incident on the light guide part and firstly passes through the normal light guide function of the light guide part.

Example two

Fig. 11 is an exploded view of an air purifier provided by the second embodiment of the present invention. As shown in fig. 11, the present embodiment provides an air purifier 200, which includes a purifier main body 300 and the control assembly 100, wherein the control assembly 100 is disposed above the purifier main body 300. Specifically, the light guide member 1 is arranged on the upper portion of the purifier main body 300, is a light emitting region, and can select different colors of light to display according to air quality, for example, red can be displayed when the air quality is poor, green can be displayed when the air quality is good, and blue can be displayed when the air quality is general.

In this embodiment, since the air purifier employs the above-mentioned control component, the light reflecting surface is formed on the upper surface of the light guide part, and the first light source faces the lower surface of the light guide part, for the first light source in a dot shape or a stripe shape, after the emergent light of the first light source enters the light guide part, the emergent light firstly passes through the normal light guiding function of the light guide part and is emitted from the light emitting part, and in addition, the emergent light is reflected by the light reflecting surface along the length direction of the light guide part and is emitted from the light emitting part, so that the light source has the function of light uniformization, and the light display is more uniform.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A control assembly is characterized by comprising a light guide member (1), a shell (2) which is provided with a hollow cavity (21) inside and is not light-permeable, a first fixing assembly (4) and a first light source (3), the light guide member (1) is clamped between the shell (2) and the first fixing component (4), the light guide member (1) includes a light guide portion (15) and a light exit portion (16) connected to the light guide portion (15), the upper surface of the light guide part (15) is attached to the first fixing component (4) to form a light reflecting surface (13), the first light source (3) is positioned in the shell (2) and faces to the lower surface of the light guide part (15), the light rays incident on the light guide part (15) from the first light source (3) are reflected by the light reflecting surface (13) along the longitudinal direction of the light guide part (15) and then emitted from the light emitting part (16).

2. The control assembly according to claim 1, wherein the light reflecting surface (13) is formed on an end of the upper surface of the light guide portion (15) far away from the light emergent portion (16), and the light reflecting surface (13) is an inclined surface.

3. The control assembly according to claim 1, wherein the light guide member (1) is an annular hollow light guide member, the light guide portion (15) and the light exit portion (16) are sequentially arranged along a radial direction of the light guide member (1), the first fixing assembly is formed with a first annular rib (221) and a second annular rib (222), the first annular rib (221) is attached to an upper surface of the light guide portion (15), the second annular rib (222) is attached to an inner annular side of the light guide member (1), and the light reflection surface (13) is formed at a joint of the first annular rib (221) and the second annular rib (222).

4. Control assembly according to claim 3, characterized in that the first fixing assembly is formed with a downwardly extending first fixing seat (24), which first fixing seat (24) cooperates with the housing (2) for fixing the first light source (3).

5. The control assembly according to claim 4, characterized in that the first fixing seat (24) comprises a first extension (241), the first extension (241) extending down to the side of the first light source (3).

6. Control assembly according to claim 5, characterized in that the first fixing assembly (4) comprises a second fixing seat (22), the second fixing seat (22) being connected to the first fixing seat (24), and in that the first annular rib (221) and the second annular rib (222) are formed on the second fixing seat (22).

7. The control assembly of claim 6, wherein the second annular rib (222) extends downwardly into contact with the first extension (241).

8. The control assembly of claim 7, wherein the first fixing assembly further comprises a display plate (5), the first fixing base (24) further comprises a bottom wall portion (240), an edge of the bottom wall portion (240) is connected with a top end of the first extending portion (241), the display plate (5) is located in a space enclosed by the bottom wall portion (240) and the second annular rib (222), or the display plate (5) is located in a space enclosed by the bottom wall portion (240), the second annular rib (222) and the first extending portion (241).

9. The control assembly according to claim 6, further comprising a lamp panel (25) for fixing the first light source (3), wherein the housing (2) comprises an upper housing (27) and a bottom housing (26), the first fixing assembly (4) and the lamp panel (25) are detachably fixed to the upper housing (27), and the first fixing seat (24) in the first fixing assembly (4) is detachably fixed to the bottom housing (26).

10. A control assembly according to any one of claims 1 to 9, wherein the light outlet portion (16) is embedded in an outer side wall of the housing (2), and an extending direction of the light outlet portion (16) forms an angle with an extending direction of the light guide portion (15).

11. Control assembly according to any of claims 3-9, characterized in that the first light source (3) is arranged in a ring.

12. An air purifier, comprising a purifier main body (300) and the control assembly (100) of any one of claims 1 to 10, wherein the control assembly (100) is arranged above the purifier main body (300).