CN216204131U

CN216204131U - Air purifier and elevator

Info

Publication number: CN216204131U
Application number: CN202121992284.9U
Authority: CN
Inventors: 吴建明; 杨帆
Original assignee: Shenzhen Invic Health Environmental Technology Co ltd
Current assignee: Shenzhen Invic Health Environmental Technology Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-04-05
Anticipated expiration: 2031-08-20

Abstract

The application discloses air purifier and elevator relates to air purification and elevator technical field. The air purifier comprises a shell, a fan and a disinfection and purification device. The bottom of the shell is provided with an air inlet, the side wall of the shell is provided with an air outlet, and an airflow channel for communicating the air inlet and the air outlet is formed in the shell; the fan is arranged in the airflow channel and is positioned at the air inlet; the disinfection and purification device is arranged in the airflow channel and is positioned between the outlet of the fan and the air outlet. The application provides an air purifier, through the position setting of air intake, air outlet to and fan and disinfection purifier's setting, realize the air cycle disinfection and sterilization purification in the airtight space, improve the air quality after the purification.

Description

Air purifier and elevator

Technical Field

The application relates to the technical field of air purification and elevators, in particular to an air purifier and an elevator.

Background

With the continuous improvement of the life quality of people, people are more concerned about the living environment of the people. Therefore, an air purification device which can really meet the market demand is needed, the air cleanliness in a closed space can be effectively improved, and the air quality problem in the living environment is improved for people.

Currently, air purification equipment used in an elevator generally realizes air purification inside the elevator by installing a negative ion purifier on a side wall of the elevator car or installing a fan on the top of the elevator car. However, the purification method cannot effectively sterilize and purify the air in the elevator, which causes a problem of poor purification effect.

SUMMERY OF THE UTILITY MODEL

In view of this, the purpose of this application is in order to overcome not enough among the prior art, and this application provides an air purifier to solve among the prior art in the elevator air purification equipment purifying effect poor technical problem.

The present application provides:

an air purifier, comprising:

the air conditioner comprises a shell, wherein an air inlet is formed in the bottom of the shell, an air outlet is formed in the side wall of the shell, and an air flow channel for communicating the air inlet and the air outlet is formed in the shell;

the fan is arranged in the airflow channel and is positioned at the air inlet;

and the disinfection and purification device is arranged in the airflow channel and is positioned between the outlet of the fan and the air outlet.

In some embodiments of this application, air purifier still includes and just imitates the filter screen, just imitate filter screen detachably set up in on the casing, and be located air intake department.

In some embodiments of this application, the installation slot has been seted up on the casing, the installation slot set up in air intake department, just imitate the filter screen movably install in the installation slot.

In some embodiments of the present application, the primary filter screen includes a net rack and a filter screen, the filter screen being installed on the net rack.

In some embodiments of the present application, the housing includes an upper case and a bottom plate, the upper case defines an accommodation space having an opening, the fan and the sterilization and purification device are installed in the accommodation space, the bottom plate cover is disposed at the opening, and the air inlet is disposed on the bottom plate.

In some embodiments of the present application, the side plate of the upper case, on which the air outlet is formed, is an air deflector;

the air deflector comprises a first air guiding part, a second air guiding part and a third air guiding part which are sequentially connected, the first air guiding part and the third air guiding part are respectively and vertically connected with the bottom plate, the second air guiding part is obliquely connected with the bottom plate, a plurality of air outlet holes are respectively formed in the first air guiding part, the second air guiding part and the third air guiding part, and the air outlet holes form the air outlet.

In some embodiments of the present application, a first partition and a second partition are disposed at intervals in the upper shell, and the first partition and the second partition divide the accommodating space into a first installation position, a second installation position and a third installation position;

the first mounting position is used for mounting an electric control element, and the electric control element is respectively and electrically connected with the fan and the disinfection and purification device; the second mounting position and the third mounting position are both located in the airflow channel, the fan is mounted at the second mounting position, the disinfection and purification device is mounted at the third mounting position, and airflow flows from the second mounting position to the third mounting position.

In some embodiments of the present application, a gear control module is disposed on the upper case, and the gear control module is electrically connected to the electric control element and is configured to control a rotation speed of the fan.

In some embodiments of the present application, the air purifier further includes two connection plates, two of the connection plates being disposed at opposite sides of the housing, for mounting the housing on an external device.

In some embodiments of the present application, the sterilization purification apparatus is a plasma generator or an ultraviolet sterilization lamp assembly.

The application also provides an elevator, including above-mentioned arbitrary embodiment the air purifier, air purifier install in the car of elevator.

In some embodiments of the present application, the air cleaner is secured to a side wall or top of the car by a connection plate of the air cleaner.

In some embodiments of the present application, the top of the car includes a first top plate and a second top plate arranged from top to bottom, an installation cavity is formed between the first top plate and the second top plate, and a connection plate of the air purifier is connected with the first top plate, so that the air purifier is fixed in the installation cavity; the air inlet is arranged on the second top plate, and is communicated with an air return inlet communicated with the car and an air supply outlet of the car.

In some embodiments of the present application, a mounting frame is disposed on the first top plate, and the connecting plate is connected to the mounting frame, so that the air purifier is fixed in the mounting cavity.

The beneficial effect of this application is: the application provides an air purifier, can be used for installing in airtight space, like elevator or indoor etc.. Air in the closed space enters through the air inlet of the shell, is guided to the disinfection and purification device through the fan to be disinfected and purified, and then returns to the closed space from the air outlet. In the process, the air circulation sterilization and purification in the closed space can be realized through the fan and the sterilization and purification device. Meanwhile, the air inlet is positioned at the bottom of the shell, so that air can conveniently enter the air flow channel, and the air sterilization and purification efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 illustrates a schematic perspective view of an air purifier according to an embodiment of the present application;

FIG. 2 illustrates a perspective view schematic of an air purifier according to an embodiment of the present application;

FIG. 3 illustrates another perspective view schematic of an air purifier according to an embodiment of the present application;

FIG. 4 is a schematic sectional view taken along line A-A in FIG. 3;

FIG. 5 is an enlarged view of the portion B of FIG. 4;

FIG. 6 illustrates a further perspective structural view of an air purifier in accordance with some embodiments of the present application;

FIG. 7 illustrates an exploded view of an air purifier in accordance with an embodiment of the present application;

FIG. 8 is a schematic diagram illustrating a partial control scheme for an air purifier according to an embodiment of the present application;

fig. 9 shows a schematic view of an air cleaner installed in an elevator according to some embodiments of the present application;

fig. 10 shows a schematic view of an air cleaner concealed within an elevator in some embodiments of the present application;

fig. 11 shows a schematic view of another perspective of the air cleaner concealed within an elevator in some embodiments of the present application;

FIG. 12 is a schematic sectional view taken along line H-H in FIG. 11;

fig. 13 shows a schematic sectional structure view of the L-L direction in fig. 11.

Description of the main element symbols:

100-an air purifier; 10-a housing; 11-a base plate; 111-mounting a slot; 12-upper shell; 121-top plate; 122-a first side panel; 123-a second side plate; 124-third side plate; 1241-wind deflector; 1241 a-a first wind-guiding part; 1241 b-a second wind-guiding part; 1241 c-a third wind scooper; 125-a fourth side panel; 126-air outlet; 127-a first separator; 128-a second separator; 13-air inlet; 14-air outlet; 15-a first mounting position; 16-a second mounting position; 17-a third mounting position; 20-a fan; 30-a disinfection and purification device; 40-primary effect filter screen; 50-an electrically controlled element; 51-power indicator light; 52-power interface; 53-power switch; 54-a communication interface; 55-gear control module; 60-connecting plates; 200-an elevator; 201-car; 2011-first top plate; 2012-a second top panel; 2013-installing the cavity; 202-a mounting frame; 203-air return inlet; 204-air supply outlet; 205-maintaining the mouth; 300-air.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example one

As shown in fig. 1 to 4, an embodiment of the present application provides an air purifier 100, which is mainly applied to an enclosed space to sterilize and purify air in the enclosed space. The closed space can be an elevator, a bedroom, a hospital ward and the like.

Referring to fig. 1 and 2 together, the air purifier 100 of the present embodiment includes a housing 10, a blower 20, and a sterilizing and purifying device 30. The bottom of the casing 10 is provided with an air inlet 13, so that air can enter the casing 10 from the air inlet 13 conveniently, meanwhile, the side wall of the casing 10 is provided with an air outlet 14, an airflow channel for communicating the air inlet 13 with the air outlet 14 is formed in the casing 10, and the air entering from the air inlet 13 flows along the airflow channel.

The fan 20 is disposed in the airflow channel and located at the air inlet 13, and the disinfection and purification device 30 is disposed in the airflow channel and located between an outlet of the fan 20 and the air outlet 14. The air entering from the air inlet 13 flows out from the outlet of the fan 20 to the disinfection and purification device 30 under the action of the fan 20, and flows back to the closed space from the air outlet 14 after being disinfected, sterilized and purified by the disinfection and purification device 30.

The embodiment of this application provides an air purifier 100, during the use, the air in the confined space gets into through the air intake 13 of casing 10, disinfects and purifies to disinfection purifier 30 department through fan 20 drainage, wherein, disinfection purifier 30 can use plasma generator, disinfects to disinfect the air through the positive and negative ion that plasma generator produced and purifies, then returns to in the confined space from air outlet 14. In the process, the air circulation sterilization and purification in the closed space can be realized through the fan 20 and the sterilization and purification device 30, and the air quality is further improved.

As shown in fig. 4, 5 and 7, wherein the hollow arrows in fig. 4 point in the air flow direction. In some embodiments of the present application, optionally, the air purifier 100 further includes a primary filter screen 40, wherein the primary filter screen 40 is detachably disposed on the housing 10 and located at the air inlet 13. In this embodiment, the primary filter screen 40 is installed at the air inlet 13, so that the air entering from the air inlet 13 is filtered and purified by the primary filter screen 40, then enters the fan 20, goes to the secondary sterilization and purification of the sterilization and purification device 30 from the outlet of the fan 20, and then is sent out from the air outlet 14. The quality of air purification is improved by the arrangement of the primary filter screen 40.

Specifically, a mounting slot 111 is formed in the housing 10, the mounting slot 111 is disposed at the air inlet 13, and the primary filter screen 40 is movably mounted in the mounting slot 111. In addition, the mounting slot 111 may be formed on the bottom plate 11 of the housing 10, so as to occupy no internal space of the housing 10, thereby reducing the volume of the whole device. The rack can slide in installation slot 111 and take out, and like this, the rack can be taken out in installation slot 111 according to predetermineeing the direction, and then the dirt of filter screen on the clearance rack, and the scale removal of being convenient for is maintained. In addition, the filter screen does not need to be disassembled and assembled, and the filter screen can be directly drawn out along the preset direction for replacement, so that the maintenance efficiency is improved.

As shown in fig. 4, 5 and 7, in the above filter screen embodiment of the present application, optionally, the primary filter screen 40 includes a screen frame and a filter screen, the filter screen is mounted on the screen frame, and the screen frame is detachably connected to the housing 10.

Furthermore, a handle can be designed on the net rack, so that the net rack is convenient for an operator to hold when being pulled out.

It can be understood that the net rack of the primary filter screen 40 can also be provided with an activated carbon adsorption module, and the outlet of the fan 20 can also be provided with a filter screen to realize multiple filtration and purification.

As shown in fig. 3 and 7, in any of the above embodiments of the present application, optionally, the housing 10 includes an upper shell 12 and a bottom plate 11, the upper shell 12 defines a containing space with an opening, the blower 20 and the disinfection and purification device 30 are installed in the containing space, the bottom plate 11 is covered on the opening, and the air inlet 13 is arranged on the bottom plate 11. Meanwhile, the installation slot 111 can be opened on the bottom plate 11, and the primary filter screen 40 is slidably installed in the installation slot 111 through the net rack, so that the primary filter screen is convenient to detach and maintain. Specifically, a plurality of air holes may be formed in the bottom plate 11, and the air inlet 13 is formed by the plurality of air holes. The plurality of air holes can be arranged to form a cross shape, can also form a combined graph of a rectangular shape and a cross shape, and of course, the plurality of air holes can also be arranged to form a circle or an ellipse, and the like.

As shown in fig. 3, further, the upper case 12 includes a top plate 121, a first side plate 122, a second side plate 123, a third side plate 124, and a fourth side plate 125. The first side plate 122, the second side plate 123, the third side plate 124 and the fourth side plate 125 are sequentially connected end to form a rectangular shell with two open ends, the top plate 121 covers the top of the rectangular shell, the bottom plate 11 covers the top of the rectangular shell, and the top plate 121 and the rectangular frame form the accommodating space.

Specifically, the first side plate 122 and the third side plate 124 are disposed opposite to each other, and the second side plate 123 and the fourth side plate 125 are disposed opposite to each other. Wherein, the air outlet 14 is provided on the third side plate 124.

As shown in fig. 1, in the embodiment of the present application in which the housing 10 includes the upper shell 12 and the bottom plate 11, a side plate of the upper shell 12, on which the air outlet 14 is opened, is an air deflector 1241, and the air outlet 14 is opened on the air deflector 1241, so as to facilitate outflow of air.

Specifically, the air guide plate 1241 includes a first air guide portion 1241a, a second air guide portion 1241b and a third air guide portion 1241c, which are connected in sequence, the first air guide portion 1241a and the third air guide portion 1241c are respectively connected to the bottom plate 11 vertically, the second air guide portion 1241b is connected to the bottom plate 11 obliquely, and the first air guide portion 1241a, the second air guide portion 1241b and the third air guide portion 1241c are respectively provided with a plurality of air outlet holes 126 (refer to fig. 1 and 4), and the air outlet holes 126 form the air outlet 14. In this embodiment, second air-guiding portion 1241b is located between first air-guiding portion 1241a and third air-guiding portion 1241 c. The second air guiding portion 1241b and the bottom plate 11 are obliquely arranged, and an included angle formed between the air outlet surface where the second air guiding portion 1241b is located and the plane where the bottom plate 11 is located is an acute angle. The design makes the air coming out of the second air guiding part 1241b far away from the installation surface of the casing 10, so that the air after disinfection, sterilization and purification can be blown to the middle direction of the closed space.

As shown in fig. 7, in some embodiments of the present application, a first partition 127 and a second partition 128 are disposed at intervals in the upper shell 12, and the first partition 127 and the second partition 128 divide the accommodating space to form a first mounting position 15, a second mounting position 16 and a third mounting position 17. The first mounting position 15 is used for mounting an electric control element 50, and the electric control element 50 is electrically connected to the fan 20 and the disinfection and purification device 30, and is used for controlling the start-stop and working state modes of the fan 20 and the disinfection and purification device 30. The second mounting position 16 and the third mounting position 17 are both located in the airflow channel, the fan 20 is mounted at the second mounting position 16, the disinfection and purification device 30 is mounted at the third mounting position 17, and airflow flows from the second mounting position 16 to the third mounting position 17. Through the arrangement of the first mounting position 15, the second mounting position 16 and the third mounting position 17, the electric control element 50, the fan 20 and the disinfection and purification device 30 are more compactly mounted, the volume of the whole machine is reduced, and the occupied space is further reduced.

As shown in fig. 6, in particular, a power indicator 51, a power interface 52, a power switch 53 and a communication interface 54 are mounted on the first side plate 122, an external power source is inserted into the power interface 52 to provide power for the air purifier 100, and the electronic control element 50 is electrically connected to the power interface 52. The power switch 53 controls the start of the electronic control element 50, and meanwhile, the power indicator lamp 51 can indicate the power supply state, so that an operator can know the power supply and power off states conveniently.

As shown in fig. 8, in an embodiment of the present application, optionally, a gear control module 55 is disposed on the upper shell 12, and the gear control module 55 is electrically connected to the electronic control element 50 for controlling the rotation speed of the fan 20. In this embodiment, the setting of the gear control module 55 can select and control the rotation speed of the fan 20, that is, according to different requirements, the gear control module 55 is operated to select the gear corresponding to the fan 20, so as to realize the rotation speed of the fan 20 at the gear. It should be noted that the shift control module 55 can select a dial switch.

As shown in fig. 1 to 3 and 6, in an embodiment of the present application, optionally, the air purifier 100 further includes two connecting plates 60, and the two connecting plates 60 are disposed on two opposite sides of the housing 10 for mounting the housing 10 on an external device. In this embodiment, for example, one connecting plate 60 is disposed on one side of the housing 10, and the other connecting plate 60 is disposed on the other side of the housing 10, and the two sides of the housing 10 where the connecting plates 60 are mounted are not provided with air outlets. The connecting plate 60 is connected with the side wall bolt of the external equipment, and can be hung on the side wall of the external equipment or mounted on the top plate of the external equipment. If the air purifier 100 is installed in the car 201 of the elevator 200, the connecting plate 60 is connected with the side wall of the car 201 in a bolt connection mode, and the air purifier 100 is hung in the car 201. The connection plate 60 may also be mounted on top of the car 201. These installations all adopt a surface mount method in which the air cleaner 100 is installed in the elevator.

In any embodiment of the present application, the disinfecting and purifying device 30 is a plasma generator or an ultraviolet disinfecting lamp assembly, but other devices with disinfecting, disinfecting and purifying functions can be adopted. Optionally, the fan 20 is a volute centrifugal fan 20, the air draft capability of the volute centrifugal fan 20 is strong, and the volute centrifugal fan can be matched with the air inlet 13 at the bottom of the casing 10 and the air outlet 14 on the side wall, so that the air can flow circularly.

Example two

As shown in fig. 9 to 11, an elevator 200 is further provided in an embodiment of the present application, including the air purifier 100 in any one of the first embodiment, where the air purifier 100 is installed in a car 201 of the elevator 200. The circulating disinfection and purification of the air 300 environment in the car 201 are realized, the quality of the air 300 in the car 201 is changed, and the riding comfort of a user is improved.

As shown in fig. 9, in one embodiment of the present application, the air cleaner 100 is optionally fixed to a sidewall or a top of the car 201 by a connection plate 60. In the present embodiment, the air cleaner 100 is mounted on the side wall of the car 201. Specifically, the air cleaner 100 is fixed to the sidewall of the car 201 by fixedly connecting the connecting plate 60 to the sidewall of the car 201, for example, by fixing the connecting plate 60 to the sidewall of the car 201 by bolts. The air cleaner 100 may be fixedly installed on the top of the car 201, and may be installed on the top of the car 201 through the connection plate 60. Due to the cubic design of the housing 10, the appearance of the elevator 200 is not affected even when the elevator is open.

As shown in fig. 11 and 13, wherein the hollow arrows in fig. 13 point in the air flow direction. In some embodiments of the present application, optionally, the top of the car 201 includes a first top plate 2011 and a second top plate 2012 arranged from top to bottom, a mounting cavity 2013 is formed between the first top plate 2011 and the second top plate 2012, and the connecting plate 60 is connected to the first top plate 2011, so that the air purifier 100 is fixed in the mounting cavity 2013; and an air return opening 203 communicated with the car 201 is formed in the position, opposite to the air inlet 13, of the second top plate 2012, and an air supply opening 204 communicated with the air outlet 14 and the car 201 is formed in the position. In the present embodiment, the air cleaner 100 may be installed in the elevator 200 in a concealed manner for the newly designed elevator 200.

Referring to fig. 13, specifically, the connecting plate 60 is fixedly mounted on the first top plate 2011 and is located in the mounting cavity 2013, the mounting cavity 2013 also functions as an air duct, and the air 300 sent out from the air outlet 14 can flow along the mounting cavity 2013 and then be discharged into the car 201 of the elevator 200 from the air supply outlet 204. The concealed installation mode is adopted, so that the air 300 in the car 201 is sterilized and purified, and the appearance of the car 201 is not influenced.

As shown in fig. 11, further, a maintenance opening 205 may be provided at the return air opening 203, and the area of the maintenance opening 205 is larger than that of the bottom plate 11 of the housing 10, so as to facilitate maintenance of the air purifier 100.

As shown in fig. 12, in the embodiment of the first top plate 2011 and the second top plate 2012 of the present application, a mounting bracket 202 is disposed on the first top plate 2011, and the connecting plate 60 is connected to the mounting bracket 202. In the present embodiment, the air cleaner 100 may be mounted on the mounting block 202 by using the connection plate 60, and the mounting block 202 may extend along one end of the first top plate 2011 to the other end of the first top plate 2011. Specifically, the mounting brackets 202 having the same number as the connecting plates 60 may be provided, the two mounting brackets 202 are arranged in parallel, the two connecting plates 60 are respectively and correspondingly mounted on the two mounting brackets 202, and the two connecting plates 60 may be selectively mounted at different positions of the first top plate 2011.

It should be noted that in any of the above embodiments, the housing 10 and the connecting plate 60 may be made of stainless steel material, and the color of the housing is matched with that of the car 201 of the elevator 200.

To sum up, the embodiment of the application provides an air purifier, can be used for installing in airtight space, like elevator or indoor etc.. Air in the airtight space gets into through the air intake of casing, through the first effect filter screen filtration purification back, and the rethread fan drainage is disinfected once more to disinfection purifier department and is purified, then gets back to in the airtight space from the air outlet, realizes the air cycle disinfection in the airtight space and disinfects the purification, improves the air quality in the airtight space.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. An air purifier, comprising:

the fan is arranged in the airflow channel and is positioned at the air inlet;

2. The air purifier of claim 1, further comprising a primary filter screen detachably disposed on the housing and located at the air inlet.

3. The air purifier of claim 2, wherein the housing has a mounting slot formed therein, the mounting slot being disposed at the air inlet, the primary filter screen being movably mounted in the mounting slot.

4. The air purifier as claimed in any one of claims 1 to 3, wherein the housing comprises an upper case and a bottom plate, the upper case defines a receiving space having an opening, the blower and the sterilizing and purifying device are mounted in the receiving space, the bottom plate is covered at the opening, and the air inlet is formed in the bottom plate.

5. The air purifier of claim 4, wherein the side plate of the upper shell provided with the air outlet is an air deflector;

6. The air cleaner of claim 4, wherein a first partition and a second partition are disposed at intervals in the upper housing, and the first partition and the second partition divide the accommodating space into a first mounting position, a second mounting position, and a third mounting position;

7. The air purifier as claimed in claim 6, wherein a gear control module is disposed on the upper housing, and the gear control module is electrically connected to the electric control element for controlling a rotation speed of the fan.

8. The air cleaner of claim 1, further comprising two connection plates disposed on opposite sides of the housing for mounting the housing to an external device.

9. An elevator, characterized by comprising an air cleaner as claimed in any one of claims 1-8, said air cleaner being mounted in the car of the elevator.

10. The elevator according to claim 9, wherein the top of the car comprises a first top plate and a second top plate arranged from top to bottom, a mounting cavity is formed between the first top plate and the second top plate, and a connecting plate of the air purifier is connected with the first top plate so that the air purifier is fixed in the mounting cavity; the air inlet is arranged on the second top plate, and is communicated with an air return inlet communicated with the car and an air supply outlet of the car.