CN113503576A

CN113503576A - Air purifier

Info

Publication number: CN113503576A
Application number: CN202110709942.7A
Authority: CN
Inventors: 胡海荣; 肖樟斌; 施东侠
Original assignee: Ningbo Zhekai Electrical Appliance Co ltd
Current assignee: Ningbo Zhekai Electrical Appliance Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-10-15

Abstract

The utility model provides an air purifier, includes the host computer, is equipped with motor wind wheel subassembly in the host computer, its characterized in that: the main machine is arranged on the base in a left-right rotating mode, an upper air channel and a lower air channel are arranged in the main machine, the motor air wheel assemblies are divided into an upper air channel and a lower air channel which correspond to each other, the upper air channel and the lower air channel are provided with respective air outlets, PTC heating bodies are arranged at the air outlets, air inlet net plates are arranged on the left side and the right side of the main machine, an air outlet net plate is arranged on the front side of the main machine, and rotating shutters capable of guiding the air outlet direction are arranged between the air outlet net plate and the air outlets. The air-out device has the advantages of simple and reasonable structure, convenience and quickness in assembly, capability of adopting double air channels for air-out, adjustable air-out direction and flexibility and convenience in use, can achieve the effect of single air channel high-rotation-speed operation only by adopting low-rotation-speed operation, greatly reduces noise, has uniform air-out, effectively improves the sleeping quality of a user, simultaneously has a heating function, and is convenient to use as a heater in cold seasons.

Description

Air purifier

Technical Field

The invention relates to the technology of air purifiers, in particular to an air purifier.

Background

An air purifier is also called as an air cleaner, an air freshener and a purifier, and is a product capable of adsorbing, decomposing or converting various air pollutants (generally including PM2.5, dust, pollen, peculiar smell, formaldehyde and other decoration pollutants, bacteria, allergens and the like) and effectively improving the air cleanliness. With the rapid development of modern industrial technologies, air pollution is more and more serious, and more families use air purifiers.

Air purifier mainly comprises systems such as motor, fan, air cleaner, and traditional air purifier mostly is single wind channel structure, and the air gets into back filtration purification from the air intake and blows off from the air outlet, in order to improve purification efficiency, reaches good purifying effect, often needs to move the fan at a high speed, must cause big noise like this, especially evening, seriously influences people's sleep quality. In addition, most of the existing air purifiers do not have the heating function, and when the air purifiers are used in cold winter, heaters need to be equipped, so that not only is the space occupied, but also the power consumption is increased.

According to the examination, the traditional chinese patent CN201721895026.2, a dual-air-duct bidirectional air intake air purifier structure, includes a main body, a left air outlet assembly and a right air outlet assembly are arranged in the main body, the left air outlet assembly and the right air outlet assembly respectively include a filter screen frame, a volute, a motor, and a dual-face wind wheel, the motor is connected to the filter screen frame, the dual-face wind wheel is connected to a motor rotating shaft, the volute is connected to the filter screen frame to form an air duct structure, and the motor and the dual-face wind wheel are located in a cavity in the air duct structure; air outlets of the air duct structures in the left air outlet assembly and the right air outlet assembly are communicated with a top opening at the top of the main body; the left air outlet assembly and the right air outlet assembly are arranged in parallel; the filter screen frame setting positions of the left air outlet assembly and the right air outlet assembly respectively correspond to the left opening and the right opening. This clarifier is equipped with two wind channels, but the air outlet is only one, is unfavorable for the circulation of air around after the air-out, and this clarifier also does not have the function of heating moreover.

In addition, chinese patent No. CN201810972071.6, "an air purifier with heating function", includes a machine body, a partition board is fixedly connected to an inner wall of the machine body, a filtering device is disposed at the bottom of the partition board, two sides of the filtering device are both fixedly connected to the inner wall of the machine body, and a gas distributing head is communicated with the bottom of the filtering device. The air purifier can purify air and supply heat to the indoor space by arranging the filtering device, the gas distributing head, the gas inlet pipe, the base, the draught fan, the mixing box, the anion generator, the gas outlet pipe, the cover plate, the mica sheet and the heating wire, so that the effect of heating is achieved; but it is single wind channel structure, has the big and the not even defect enough of air-out of noise.

Disclosure of Invention

The invention aims to solve the technical problem of providing the air purifier with the heating function, which has the advantages of reasonable structure, convenience in assembly, low noise and uniform air outlet, can realize double-air-channel air outlet and can adjust the air outlet direction.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an air purifier, includes the host computer, is equipped with motor wind wheel subassembly in the host computer, its characterized in that: the main machine is arranged on the base in a left-right rotating mode, an upper air channel and a lower air channel are arranged in the main machine, the motor air wheel assemblies are divided into an upper air channel and a lower air channel which correspond to each other, the upper air channel and the lower air channel are provided with respective air outlets, PTC heating bodies are arranged at the air outlets, air inlet net plates are arranged on the left side and the right side of the main machine, an air outlet net plate is arranged on the front side of the main machine, and rotating shutters capable of guiding the air outlet direction are arranged between the air outlet net plate and the air outlets.

As an improvement, the main machine is of a vertical box body structure with left and right openings and front ends open, rectangular groove holes for placing the filters are concavely arranged at the left and right openings of the main machine, the filters are left and right rectangular HEPA filters, the filters are arranged in the rectangular groove holes and are clamped and fixed with the main machine through left and right air inlet screen plates.

And the upper and lower double air channels are upper and lower double volute air channels formed by closing a left half air channel and a right half air channel, two groups of motor air wheel assemblies are respectively arranged in the upper air channel and the lower air channel, the upper air channel and the lower air channel both supply air in a left-right bidirectional mode, air outlets of the upper air channel and the lower air channel are front sides, and the air outlet net plate is closed and arranged at the position of an opening at the front end of the main machine in a clamping mode.

Further, a fixed bracket is arranged at the inner side of the air outlet net plate in the host machine, the upper, lower, left and right edges of the fixed bracket are propped against the inner wall of the host machine for fixing, the left and right sides of the host machine are respectively provided with an air outlet grille corresponding to the front side of the fixed bracket, the fixed bracket is provided with an upper air outlet and a lower air outlet corresponding to an upper air channel and a lower air channel, the rotary shutters are two groups corresponding to the air outlets, each group of rotary shutters is two symmetrical left and right groups, a synchronous motor for driving the rotating shutter to rotate is arranged in the middle of the fixed bracket, the rotating shutter is in transmission connection with the synchronous motor through a transmission mechanism, when the left and right rotating shutters rotate to a closed state, the two rotating shutters are shielded in parallel in front of the air outlet, and air is discharged from two sides, when the left and right rotating shutters rotate to 90 degrees, the two rotating shutters are vertically positioned at the left and right sides of the air outlet, and the air is discharged forwards.

And the synchronous motor is arranged in the middle of the fixed support and positioned between the upper air outlet and the lower air outlet, mounting plates for mounting the rotary shutters are convexly arranged on the upper side and the lower side of the upper air outlet and the lower side of the fixed support, one ends of the upper group of rotary shutters and the lower group of rotary shutters, which are far away from the synchronous motor, are rotatably arranged on shaft holes of the mounting plates, and the other ends of the rotary shutters penetrate through a guide port of the other mounting plate and are connected with the transmission mechanism.

Still further, the rotating louver is formed by connecting blades and an L-shaped rotating shaft, wherein the blades are fixed on a longitudinal long shaft of the L-shaped rotating shaft, the end part of the longitudinal long shaft of the L-shaped rotating shaft is one end far away from a synchronous motor, a transmission mechanism comprises a driving transmission gear, a driven transmission gear and a left transmission shaft and a right transmission shaft, the driving transmission gear is connected with an output shaft of the synchronous motor, the driven transmission gear is meshed with the driving transmission gear, the upper end and the lower end of the transmission shaft are respectively connected with the end parts of transverse short shafts of the L-shaped rotating shafts of the upper rotating louver and the lower rotating louver on the same side, a waist-shaped hole is longitudinally arranged in the middle part of the transmission shaft, a convex shaft is arranged at the front ends of the driving transmission gear and the driven transmission gear and is matched and connected with the corresponding waist-shaped hole of the transmission shaft, the driving transmission gear and the driven transmission gear are driven to rotate through positive and negative rotation of the synchronous motor, and rotation of the L-shaped rotating shaft is realized, thereby controlling the opening and closing angle of the rotating shutter.

Furthermore, two microswitches which can stop rotating the rotating shutter when the rotating shutter rotates to a 90-degree vertical state and a 180-degree closed state are also arranged on the fixed support.

Further, still be equipped with humidification mechanism in the host computer, humidification mechanism includes that water tank and humidification are cotton, and humidification mechanism sets up in the host computer bottom and is close to left position, is equipped with temperature and humidity sensor and overheat protection switch in the host computer.

Further, the base is discoid shaking head base, and the host computer is installed on the base with the ability of left and right sides rotation, is equipped with the synchronous machine that can drive the host computer and rotate about in the base.

And finally, a top cover is arranged at the upper end of the host, a display screen is arranged on the top cover, a power panel, a touch panel, a remote control receiving circuit and a photosensitive element are arranged in the host and below the display screen, and the left side and the right side of the upper end of the host are concavely provided with a portable part which is convenient to carry.

Compared with the prior art, the invention has the advantages that: an upper air duct and a lower air duct are arranged in the main machine, and air is discharged through the double air ducts, so that air is uniformly discharged, and noise is greatly reduced; the heating body is arranged at the air outlet, so that the air in the air outlet can be heated, and the heating effect is achieved; the air outlet is also provided with a rotary shutter capable of guiding the air outlet direction, and the synchronous motor controls the rotary shutter to rotate, so that the air outlet can be selected to be air outlet forwards or air outlet from two sides; the oscillating base is adopted as the base, so that the machine can oscillate at a wide angle when in use, and the full circulation of surrounding air is facilitated; the air inlet screen plate is arranged on the host machine in a clamping manner, so that the air inlet screen plate is convenient to disassemble and assemble, and the filter is convenient to replace and clean; the top cover is also fixed in a clamping mode, so that the power panel can be conveniently replaced and daily maintenance can be conveniently carried out. The air-out device has the advantages of simple and reasonable structure, convenience and quickness in assembly, capability of adopting double air channels for air-out, adjustable air-out direction and flexibility and convenience in use, can achieve the effect of single air channel high-rotation-speed operation only by adopting low-rotation-speed operation, greatly reduces noise, has uniform air-out, effectively improves the sleeping quality of a user, simultaneously has a heating function, and is convenient to use as a heater in cold seasons.

Drawings

FIG. 1 is an exploded view of an embodiment of the present invention;

fig. 2a to 2b are schematic diagrams of the operation of the rotating louver according to the embodiment of the present invention, in which fig. 2a is a schematic diagram of the operation of two sides of the rotating louver when the rotating louver rotates to a 180 ° closed state, and fig. 2b is a schematic diagram of the operation of the rotating louver when the rotating louver rotates to a 90 ° state and the air is blown forward;

FIG. 3 is a longitudinal cross-sectional view of the present invention taken in the left-right direction;

FIG. 4 is a schematic structural view of a fixing bracket; (ii) a

FIG. 5 is an exploded view of FIG. 4;

FIG. 6 is a side view of FIG. 5;

FIG. 7 is an exploded view of FIG. 3;

FIG. 8 is a longitudinal cross-sectional view of the present invention taken in a front-to-back direction;

fig. 9 is a schematic view of the structure of the water tank and the humidifying cotton.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 9, an air purifier comprises a main unit 1 and a base 30, wherein the main unit 1 is rotatably arranged on the base 30, a motor wind wheel assembly 2, a filter 3 and a humidifying mechanism are arranged in the main unit 1, an upper air duct and a lower air duct 10 are arranged in the main unit 1, the motor wind wheel assembly 2 is correspondingly divided into an upper air duct and a lower air duct, the upper air duct and the lower air duct are respectively provided with an air outlet 40, a PTC heating element 5 is arranged at the air outlet 40, air inlet mesh plates 11 are arranged on the left side and the right side of the main unit 1, an air outlet mesh plate 12 is arranged on the front side of the main unit, and a rotary louver 6 capable of guiding the air outlet direction is arranged between the air outlet mesh plate 12 and the air outlet 40.

The concrete structure is as follows: the main machine 1 is a vertical box structure with left and right openings and front openings, rectangular slots 16 for placing the filters 3 are concavely arranged at the left and right openings of the main machine 1, the filters 3 are left and right rectangular HEPA filters, and the filters 3 are arranged in the rectangular slots 16 and are clamped and fixed with the main machine 1 through left and right air inlet screen plates 11. The upper and lower double air ducts 10 are upper and lower double volute air ducts formed by a left half air duct 101 and a right half air duct 102 in an involution manner, two groups of motor air wheel assemblies 2 are respectively arranged in the upper air duct and the lower air duct, the upper air duct and the lower air duct both supply air in a left-right bidirectional manner, air outlets 40 of the upper air duct and the lower air duct are front sides, and the air outlet net plate 12 is involuted and arranged at a position of an opening at the front end of the main machine 1 in a clamping manner. A fixed support 4 is arranged in the main machine 1 and on the inner side of an air outlet screen plate 12, the upper edge, the lower edge, the left edge and the right edge of the fixed support 4 are abutted and fixed with the inner wall of the main machine 1, the air outlet grids 14 are respectively arranged on the left side and the right side of the main machine 1 corresponding to the front sides of the fixed support 4, the fixed support 4 is provided with an upper air outlet 40 and a lower air outlet 40 corresponding to an upper air channel and a lower air channel, the rotating shutters 6 are two groups of upper air outlets 40 and lower air outlets 40, each group of rotating shutters 6 is two symmetrical left and right, a synchronous motor 8 for driving the rotating shutters 6 to rotate is arranged in the middle of the fixed support 4, and the rotating shutters 6 are in transmission connection with the synchronous motor 8 through a transmission mechanism 9. The synchronous motor 8 is arranged in the middle of the fixed support 4 and positioned between the upper air outlet 40 and the lower air outlet 40, and mounting plates 41 for mounting the rotary shutter 6 are convexly arranged on the upper side and the lower side of the upper air outlet 40 and the lower air outlet 40 on the fixed support 4. The rotary louver 6 is assembled by a blade 61 and an L-shaped rotating shaft 62, wherein the blade 61 is fixed on the longitudinal long shaft of the L-shaped rotating shaft 62, the end of the longitudinal long shaft of the L-shaped rotating shaft 62 is the end far away from the synchronous motor 8, the end is rotatably arranged on the shaft hole of the corresponding mounting plate 41, and the other end passes through the guide port of the other mounting plate 41 and is connected with the transmission mechanism 9. The transmission mechanism 9 comprises an active transmission gear 91, a passive transmission gear 92 and a left transmission shaft and a right transmission shaft 93, wherein the active transmission gear 91 is connected with an output shaft of the synchronous motor 8, the passive transmission gear 92 is meshed with the active transmission gear 91, the upper end and the lower end of the transmission shaft 93 are respectively connected with the ends of the transverse short shafts of the L-shaped rotating shafts 62 of the upper rotating shutter 6 and the lower rotating shutter 6 which are on the same side, the middle part of the transmission shaft 93 is longitudinally provided with a kidney-shaped hole, the front ends of the active transmission gear 91 and the passive transmission gear 92 are provided with convex shafts 911 and 921 which are inserted into the corresponding kidney-shaped holes of the transmission shaft 93, the active transmission gear 91 and the passive transmission gear 92 are driven to rotate through the positive and negative rotation of the synchronous motor 8, the rotation of the L-shaped rotating shafts 62 is realized, and the opening and closing angle of the rotating shutters 6 is further controlled. When the left and right rotating shutters 6 rotate to a 180-degree closed state, the two rotating shutters 6 are shielded in parallel in front of the air outlet 40, air is exhausted from two sides at the time, when the left and right rotating shutters 6 rotate to 90 degrees, the two rotating shutters 6 are vertically positioned at the left and right sides of the air outlet 40, and air is exhausted forwards at the time; the fixed bracket 4 is also provided with two micro switches 42, the micro switches 42 are respectively arranged at the left side and the front side of the fixed bracket 4 and are in interference fit with the rotating shutter 6, so that the rotating shutter 6 can stop rotating when rotating to a 90-degree vertical state and a 180-degree closed state.

The humidifying mechanism comprises a water tank 7 and humidifying cotton 70, the humidifying mechanism is arranged at the bottom of the main machine 1 close to the left side, and a temperature and humidity sensor and an overheating protection switch are arranged in the main machine 1. The base 30 is a disk-shaped shaking head base, the main body 1 is installed on the base 30 in a manner of rotating left and right, a synchronous motor capable of driving the main body 1 to rotate left and right is arranged in the base 30, the shaking head principle of the base 30 is consistent with the prior art, and excessive description is omitted here.

In addition, a top cover 13 is arranged at the upper end of the main machine 1, a display screen is arranged on the top cover 13, a power panel, a touch panel, a remote control receiving circuit and a photosensitive element are arranged in the main machine 1 and below the display screen, and portable parts 15 convenient to carry are concavely arranged on the left side and the right side of the upper end of the main machine 1.

When the wind wheel assembly is used, the motor wind wheel assembly 2 is started to operate, air enters from the air inlet net plates 11 on the left side and the right side, is filtered by the filter 3 and is discharged from the air outlet 40, a control signal is given out through the on-off of the microswitch 40, the rotating shutters 6 stop rotating at 180 degrees or 90 degrees, when the rotating shutters 6 rotate to a 180-degree closed state, the two rotating shutters 6 are shielded in front of the air outlet 40 in parallel, air is discharged from the two sides at the moment, and the air is discharged from the air outlet grilles 14 on the left side and the right side of the main machine, as shown in fig. 2 a; when the left and right rotating shutters 6 rotate to 90 degrees, the two rotating shutters 6 are vertically positioned at the left and right sides of the air outlet 40, at this time, air is discharged forwards, and air is discharged from the air outlet net plate 12, as shown in fig. 2b, and the air inlet and the air outlet are shown by arrows in the figure; in addition, when heating is needed, the PTC heating body 5 works to blow out warm air to be used as a heater; the mode that the main machine 1 shakes head left and right or does not shake head can be selected according to the requirement.

Due to the fact that the air conditioner has the double air channels, air outlet is even, the effect of single air channel high-rotation-speed operation can be achieved only by adopting low-rotation-speed operation, noise is greatly reduced, the sleeping quality of a user is improved, the air outlet direction is adjustable, use is flexible and convenient, a heating function is achieved, and the air conditioner is convenient to use as a heater in cold seasons.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an air purifier, includes the host computer, is equipped with motor wind wheel subassembly in the host computer, its characterized in that: the main machine is arranged on the base in a left-right rotating mode, an upper air channel and a lower air channel are arranged in the main machine, the motor air wheel assemblies are divided into an upper air channel and a lower air channel which correspond to each other, the upper air channel and the lower air channel are provided with respective air outlets, PTC heating bodies are arranged at the air outlets, air inlet net plates are arranged on the left side and the right side of the main machine, an air outlet net plate is arranged on the front side of the main machine, and rotating shutters capable of guiding the air outlet direction are arranged between the air outlet net plate and the air outlets.

2. The air purifier of claim 1, wherein: the host computer is about and front end open-ended vertical box structure, and the opening part is equipped with the rectangle slotted hole that supplies the filter to put into in the recess about the host computer, and the filter is two rectangle HEPA filters about for, and the filter setting is fixed with the host computer joint through controlling the air inlet otter board in the rectangle slotted hole.

3. The air purifier of claim 2, wherein: the upper and lower double air ducts are upper and lower double volute air ducts formed by closing a left half air duct and a right half air duct, two groups of motor air wheel assemblies are respectively arranged in the upper air duct and the lower air duct, the upper air duct and the lower air duct are both provided with left and right bidirectional air inlets, air outlets of the upper air duct and the lower air duct are front sides, and the air outlet screen plate is closed and arranged at the position of an opening at the front end of the main machine in a clamping manner.

4. The air purifier of claim 3, wherein: the inner side of the air outlet screen plate in the host machine is provided with a fixed support, the upper edge, the lower edge, the left edge, the right edge and the upper edge of the fixed support are abutted and fixed with the inner wall of the host machine, the left side and the right side of the host machine are respectively provided with an air outlet grille corresponding to the front side of the fixed support, the fixed support is provided with an upper air outlet and a lower air outlet corresponding to an upper air duct and a lower air duct, the rotary shutters are arranged in an upper group and a lower group corresponding to the air outlets, each group of rotary shutters is symmetrical in a left group and a right group, the middle part of the fixed support is provided with a synchronous motor for driving the rotary shutters to rotate, the rotary shutters are in transmission connection with the synchronous motor through a transmission mechanism, when the left rotary shutters and the right rotary shutters rotate to a closed state, the two rotary shutters are parallelly shielded in front of the air outlets, air is exhausted from two sides, when the left rotary shutters rotate to 90 degrees, the two rotary shutters are vertically positioned on the left side and the right side of the air outlet, and the air is exhausted forwards.

5. The air purifier of claim 4, wherein: the synchronous motor is arranged in the middle of the fixed support and positioned between the upper air outlet and the lower air outlet, mounting plates for mounting the rotary shutters are convexly arranged on the upper side and the lower side of the upper air outlet and the lower side of the fixed support, one ends of the upper group of rotary shutters, which are far away from the synchronous motor, and the other ends of the rotary shutters, which penetrate through the guide port of the other mounting plate, are rotatably arranged on the shaft hole of the mounting plates, and are connected with the transmission mechanism.

6. The air purifier of claim 5, wherein: the rotary shutter is formed by connecting blades and an L-shaped rotating shaft, wherein the blades are fixed on a longitudinal long shaft of the L-shaped rotating shaft, the end part of the longitudinal long shaft of the L-shaped rotating shaft is one end far away from a synchronous motor, a transmission mechanism comprises a driving transmission gear, a driven transmission gear and a left transmission shaft and a right transmission shaft, the driving transmission gear is connected with an output shaft of the synchronous motor, the driven transmission gear is meshed with the driving transmission gear, the upper end and the lower end of the transmission shaft are respectively connected with the end parts of transverse short shafts of the L-shaped rotating shafts of the upper rotary shutter and the lower rotary shutter which are on the same side, a waist-shaped hole is longitudinally arranged in the middle part of the transmission shaft, a convex shaft is arranged at the front ends of the driving transmission gear and the driven transmission gear and is matched and connected with the corresponding waist-shaped hole of the transmission shaft, the driving transmission gear and the driven transmission gear are driven to rotate through the positive and negative rotation of the synchronous motor, so as to realize the rotation of the L-shaped rotating shaft, thereby controlling the opening and closing angle of the rotating shutter.

7. The air purifier of claim 6, wherein: the fixed bracket is also provided with two microswitches which can enable the rotating shutter to rotate to a 90-degree vertical state and stop rotating when the rotating shutter is in a 180-degree closed state.

8. An air cleaner according to any one of claims 1 to 7, wherein: still be equipped with humidification mechanism in the host computer, humidification mechanism includes water tank and humidification cotton, and humidification mechanism sets up the bottom in the host computer and is close to left position, is equipped with temperature and humidity sensor and overheat protection switch in the host computer.

9. An air cleaner according to any one of claims 1 to 7, wherein: the base is discoid shaking head base, and the host computer can be installed on the base with the horizontal rotation, is equipped with the synchronous machine that can drive the host computer horizontal rotation in the base.

10. An air cleaner according to any one of claims 1 to 7, wherein: the portable computer is characterized in that a top cover is arranged at the upper end of the host, a display screen is arranged on the top cover, a power panel, a touch panel, a remote control receiving circuit and a photosensitive element are arranged in the host and below the display screen, and portable parts convenient to carry are concavely arranged on the left side and the right side of the upper end of the host.