CN213713323U

CN213713323U - Air purifier

Info

Publication number: CN213713323U
Application number: CN202020549907.4U
Authority: CN
Inventors: 翁国华
Original assignee: Chuandong Magnetic Electronic Co Ltd
Current assignee: Chuandong Magnetic Electronic Co Ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2021-07-16
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses an air purifier, which comprises a housin, form an installation space in the casing, air intake and air outlet have been seted up on the casing, the air intake with be provided with the filter screen between the air outlet, the filter screen in be provided with the fan between the air outlet, the air-out direction orientation of fan the air outlet still includes pressure differential sensor, pressure differential sensor includes the sensor main part and connects with the electricity first probe, the second probe of sensor main part, first probe set up in between filter screen and the fan, the second probe set up in one side that the filter screen is close to the air intake. The utility model provides an air purifier that can let the user know the behaviour in use of filter screen among the air purifier.

Description

Air purifier

Technical Field

The utility model relates to a purifier, especially an air purifier.

Background

Air purifier mainly comprises filter screen and fan, and air purifier uses a certain time, and the pollutant of accumulation on the filter screen can be more and more, and the filter screen can be blocked to the pollutant to flow rate through air purifier reduces.

At present, air purifiers on the market generally adopt service time to judge whether the service life of a filter screen reaches. However, due to the difference of the local environments where the air purifiers are located, some local air purifiers with poor air quality reach the time for cleaning or replacing the filter screen before the actual setting is carried out.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the problem of solve above-mentioned proposition provides one kind and can judge whether reach the air purifier who needs to change the filter screen moment.

The utility model provides a solution of its technical problem is:

the utility model provides an air purifier, includes the casing, form an installation space in the casing, air intake and air outlet have been seted up on the casing, the air intake with be provided with the filter screen between the air outlet, the filter screen with be provided with the fan between the air outlet, the air-out direction orientation of fan the air outlet still includes pressure differential sensor, pressure differential sensor is used for acquireing the air pressure difference between the filter screen both ends face.

As a further improvement of the technical scheme, an electric control box is arranged in the shell, and the differential pressure sensor is arranged in the electric control box.

As a further improvement of the technical scheme, the differential pressure sensor comprises a sensor main body, and a first probe and a second probe which are electrically connected with the sensor main body, wherein the first probe is arranged between the filter screen and the fan, the second probe is arranged on one side, close to the air inlet, of the filter screen, a first through hole and a second through hole are formed in the electric control box, and the first probe and the second probe respectively extend out of the first through hole and the second through hole.

As a further improvement of the above technical solution, the housing includes a base and a box cover, the box cover is detachably connected to the base, and the box cover covers the base to form the installation space between the base and the box cover.

As a further improvement of the above technical solution, the air inlet includes a plurality of communication holes disposed on the housing, all the communication holes are disposed on the side of the box cover, the area of the filter screen is not smaller than the area surrounded by the communication holes, and the filter screen is fixedly connected to the base.

As a further improvement of the technical scheme, the air outlet comprises a plurality of air outlet holes, and all the air outlet holes are formed in the top surface of the box cover.

As a further improvement of the above technical scheme, the fan includes a motor and an axial flow fan blade, the motor is fixedly connected to the base, the motor is connected to the axial flow fan blade in a driving manner, the wind intensity of the axial flow fan blade is higher than that of the air inlet, and the air outlet side of the axial flow fan blade is opposite to the air outlet.

As a further improvement of the technical scheme, the filter screen comprises a filter screen main body and a square pipe, a channel is formed in the square pipe in a surrounding mode, the square pipe is arranged along the horizontal direction, a side face of the square pipe is provided with a mounting hole communicated with the channel, the mounting hole is formed in the edge of the length direction of the square pipe and extends to the two ends of the square pipe, the thickness of the filter screen main body is smaller than the width of the mounting hole, the filter screen main body is inserted into the mounting hole, and the square pipe is fixedly connected with the inner bottom surface of the shell.

As a further improvement of the above technical scheme, be provided with two protruding edges in the filter screen main part, the fixed slot has been seted up on each protruding edge, the both sides edge of mounting hole inserts two respectively in the fixed slot, the fixed slot with mounting hole edge one-to-one sets up, the both sides face setting of filter screen main part is provided with a baffle respectively, two the baffle shelters from the both ends of passageway.

As a further improvement of the technical scheme, a display screen is arranged on the box cover and electrically connected with the sensor main body.

The utility model has the advantages that: during the use, under the rotation of fan, in the air of external world enters into the installation space through the air intake, the air that enters into in the installation space blows off from the air outlet after the filter screen filters, the filter screen is on the filter screen at foreign matter separation such as dust when filtering, long-time the use can lead to the fact the jam of certain degree to the filter screen to influence the wind pressure on filter screen both sides, obtain the wind pressure of filter screen both sides through this pressure differential transducer, the user can clearly know the in service behavior of filter screen.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic structural view of an embodiment of the present invention;

fig. 2 is a schematic structural view of another embodiment of the present invention;

fig. 3 is a schematic view of a main body and a square tube of the filter screen according to an embodiment of the present invention;

fig. 4 is a schematic diagram of the electrical connection between the display screen and the sensor body according to an embodiment of the present invention.

In the drawings: 1-installation space, 2-sensor body, 3-first probe, 4-second probe, 5-electronic control box, 6-box cover, 7-base, 8-communication hole, 9-air outlet hole, 10-axial flow fan blade, 11-motor, 12-square tube, 13-installation hole, 14-raised edge, 15-fixing groove, 16-display screen and 17-filter screen body.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1-4, an air purifier, includes the casing, form a installation space 1 in the casing, air intake and air outlet have been seted up on the casing, the air intake with be provided with the filter screen between the air outlet, the filter screen with be provided with the fan between the air outlet, the air-out direction orientation of fan the air outlet still includes differential pressure sensor, differential pressure sensor is used for acquireing the air pressure difference between the filter screen both ends face.

In this embodiment, during the use, under the rotation of fan, external air enters into installation space 1 through the air intake in, the air that enters into in installation space 1 blows off from the air outlet after the filter screen filters, the filter screen is on the filter screen at foreign matter separation such as dust when filtering, long-time the use can lead to the fact the jam of certain degree to the filter screen, thereby influence the wind pressure on filter screen both sides, obtain the wind pressure of filter screen both sides through this pressure differential transducer, the user can clearly know the in service behavior of filter screen.

The utility model provides an air purifier that can let the user know the behaviour in use of filter screen among the air purifier.

Further as a preferred embodiment, an electronic control box 5 is arranged in the housing, and the differential pressure sensor is arranged in the electronic control box 5. This simple structure, setting convenience, through the setting of this structure, can effectively protect electric control element such as differential pressure sensor.

Further as preferred embodiment, the differential pressure sensor includes sensor body 2, and first probe 3, second probe 4 of electricity connection sensor body 2, first probe 3 set up in between filter screen and the fan, second probe 4 set up in the filter screen is close to one side of air intake, first through-hole, second through-hole have been seted up on the automatically controlled box 5, first probe 3 with second probe 4 is followed respectively first through-hole, second through-hole stretch out. The structure is simple and the arrangement is convenient. Through the arrangement of the first probe and the second probe, the air pressure difference between the two end faces of the filter screen can be obtained.

Further as a preferred embodiment, the housing includes a base 7 and a box cover 6, the box cover 6 is detachably connected to the base 7, and the box cover 6 covers the base 7 so that the installation space 1 is formed between the base 7 and the box cover 6. This simple structure, convenient to set up, during the use, the user can adopt the screw connection lid 6 and base 7, perhaps, this base 7 is connected to lid 6 accessible buckle cooperation.

Further as a preferred embodiment, the air inlet includes a plurality of communication holes 8 disposed on the housing, all the communication holes 8 are disposed on the side of the box cover 6, the area of the filter screen is not smaller than the area surrounded by the communication holes 8, and the filter screen is fixedly connected to the base 7. The structure is simple and the arrangement is convenient.

Further as a preferred embodiment, the air outlet includes a plurality of air outlets 9, and all of the air outlets 9 are disposed on the top surface of the box cover 6. This simple structure, convenient to set up, during the use, adopt a plurality of exhaust vents 9, avoid adopting a great exhaust vent 9, can play and reduce the dust and directly enter into from installation space 1.

Further as a preferred embodiment, the fan includes a motor 11 and an axial-flow fan blade 10, the motor 11 is fixedly connected to the base 7, the motor 11 is connected to the axial-flow fan blade 10 in a driving manner, the wind intensity of the axial-flow fan blade 10 is higher than that of the air inlet, and the air outlet side of the axial-flow fan blade 10 is opposite to the air outlet 9. The structure is simple, the arrangement is convenient, the axial flow fan blade 10 is driven by the motor 11 to rotate, the position of the axial flow fan blade 10 is higher than the height of the air inlet, so that when the axial flow fan blade 10 rotates, the communication hole 8 and the outside generate air pressure difference, and the outside air enters and exits the installation space 1 from the communication hole 8.

Further as preferred embodiment, the filter screen includes filter screen main part 17, square pipe 12, enclose into a passageway in the square pipe 12, square pipe 12 sets up along the horizontal direction, a side of square pipe 12 has been seted up and has been linked to the mounting hole 13 of passageway, mounting hole 13 is followed the length direction of square pipe 12 extends to the both ends of square pipe 12, filter screen main part 17's thickness is less than mounting hole 13's width, filter screen main part 17 inserts in the mounting hole 13, square pipe 12 fixed connection the bottom surface in the casing. The square pipe is simple in structure and convenient to set, and dust falling from the filter screen main body 17 can be placed in the square pipe 12 during use.

Further as preferred embodiment, be provided with two protruding limit 14 on the filter screen main part 17, seted up fixed slot 15 on each protruding limit 14, two are inserted respectively to the both sides edge of mounting hole 13 in the fixed slot 15, fixed slot 15 with mounting hole 13 edge one-to-one sets up, the both sides face setting of filter screen main part 17 is provided with a baffle respectively, two the baffle shelters from the both ends of passageway. The square pipe type filter screen is simple in structure and convenient to set, the filter screen main body 17 and the square pipe 12 can be conveniently installed or detached through the mutual matching of the edges of the installation holes 13 of the fixing grooves 15, when the square pipe type filter screen is used, the filter screen main body 17 is inserted into the installation holes 13 from one end of the square pipe 12 along the length direction of the square pipe 12, in the process, the edges of the fixing grooves 15 and the installation holes 13 are connected in a sliding mode, and the edges of the installation holes 13 enter the fixing grooves 15; in addition, during the use, this baffle can adopt transition fit with the inner wall of square pipe 12, and during the installation, the inner wall of baffle sliding connection square pipe 12 through the setting of this baffle, can effectual surrounding from the dust that the filter screen main part 17 dropped in the square pipe 12.

In a further preferred embodiment, a display screen 16 is disposed on the box cover 6, and the display screen 16 is electrically connected to the sensor body 2. The wind pressure difference sensor is simple in structure and convenient to set, and during use, the wind pressure difference detected by the pressure difference sensor can be displayed on the display screen 16, so that a user can know the air pressure difference between the first probe 3 and the second probe 4 of the sensor main body 2 conveniently. In practical use, a control panel is provided in the electric control box 5 by those skilled in the art, the sensor body 2 is electrically connected to the control panel, and the control panel is electrically connected to the display.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. An air cleaner, comprising a housing, in which a mounting space (1) is formed, characterized in that: the air outlet of the fan faces the air outlet, and the air outlet pressure sensor is used for acquiring air pressure difference between two end faces of the filter screen.

2. An air cleaner according to claim 1, wherein: an electric control box (5) is arranged in the shell, and the differential pressure sensor is arranged in the electric control box (5).

3. An air cleaner according to claim 2, wherein: differential pressure sensor includes sensor main part (2) and electricity and connects first probe (3), second probe (4) of sensor main part (2), first probe (3) set up in between filter screen and the fan, second probe (4) set up in the one side that the filter screen is close to the air intake, first through-hole, second through-hole have been seted up on automatically controlled box (5), first probe (3) with second probe (4) are followed respectively first through-hole, second through-hole stretch out.

4. An air cleaner according to claim 3, wherein: the casing includes base (7), lid (6), connection can be dismantled in lid (6) base (7), lid (6) cover base (7) make base (7) with form between lid (6) installation space (1).

5. An air cleaner according to claim 4, wherein: the air inlet comprises a plurality of communicating holes (8) formed in the shell, all the communicating holes (8) are formed in the side face of the box cover (6), the area of the filter screen is not smaller than the area surrounded by the communicating holes (8), and the filter screen is fixedly connected with the base (7).

6. An air cleaner according to claim 4, wherein: the air outlet comprises a plurality of air outlet holes (9), and all the air outlet holes (9) are formed in the top surface of the box cover (6).

7. An air cleaner according to claim 6, wherein: the fan comprises a motor (11) and axial flow fan blades (10), the motor (11) is fixedly connected with the base (7), the motor (11) is driven to be connected with the axial flow fan blades (10), the wind intensity of the axial flow fan blades (10) is higher than that of the air inlet, and the air outlet side of the axial flow fan blades (10) is opposite to the air outlet hole (9).

8. An air cleaner according to claim 1, wherein: the filter screen includes filter screen main part (17), square pipe (12), enclose into a passageway in square pipe (12), square pipe (12) set up along the horizontal direction, a side of square pipe (12) has been seted up and has been linked to the mounting hole (13) of passageway, mounting hole (13) are followed the length direction of square pipe (12) extends to the both ends of square pipe (12), the thickness of filter screen main part (17) is less than the width of mounting hole (13), filter screen main part (17) insert in mounting hole (13), square pipe (12) fixed connection the bottom surface in the casing.

9. An air cleaner according to claim 8, wherein: be provided with two protruding limit (14) on filter screen main part (17), fixed slot (15) have been seted up on each protruding limit (14), insert two respectively at the both sides edge of mounting hole (13) in fixed slot (15), fixed slot (15) with mounting hole (13) edge one-to-one sets up, the both sides face setting of filter screen main part (17) is provided with a baffle respectively, two the baffle shelters from the both ends of passageway.

10. An air cleaner according to claim 4, wherein: the sensor is characterized in that a display screen (16) is arranged on the box cover (6), and the display screen (16) is electrically connected with the sensor body (2).