CN111473459A

CN111473459A - Wearable air purifier

Info

Publication number: CN111473459A
Application number: CN202010305354.2A
Authority: CN
Inventors: 魏健健; 金滔; 李晓东; 朱思睿; 董瀚泳
Original assignee: Shanghai Boyong Environmental Protection Technology Co ltd; Zhejiang University ZJU
Current assignee: Shanghai Boyong Environmental Protection Technology Co ltd; Zhejiang University ZJU
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-07-31

Abstract

The invention discloses a wearable air purifier. The shell comprises a main shell and a lower shell which are clamped and provided with an inner cavity, the front end surface is provided with an air inlet, and the top end surface is provided with an air outlet; the air inlet filtering component comprises a filter screen frame, a filter screen and a fan cover, the filter screen frame, the filter screen and the fan cover are arranged at the front part of the inner cavity, the filter screen frame is embedded in the air inlet, and a through hole is formed in one side of the fan cover; the fan power assembly comprises a mounting frame, a fan, a battery and a circuit board, the mounting frame is arranged at the rear part of the inner cavity, the fan, the battery and the circuit board are arranged on the mounting frame, and the fan is communicated with the through hole of the fan cover; the air exhaust and drainage assembly comprises a rectifying frame and an adjustable air outlet baffle, the rectifying frame is embedded in the air outlet, and the air outlet baffle is vertically arranged at the front part of the main shell. The invention relates to a small-sized device worn in front of the chest of a person, air is uniformly sent out after being purified and filtered by the air worn in front of the chest, and the air is purified and cleaned by an upward air curtain, so that the effect of protecting susceptible people is achieved.

Description

Wearable air purifier

Technical Field

The present invention relates to an air purifier, and more particularly, to a portable air purifier wearable by a human body.

Background

Air purifier refers to the device that can purify indoor contaminated air, and generally speaking, air purifier inhales the air to filter particulate matter such as bacterium, dust in the air and absorb harmful gas such as formaldehyde, send into indoor confession human breathing with the air after purifying again.

Present air purifier is mostly indoor equipment of putting for purify the breathing air in the whole building space, need consume a large amount of electric power and can cause a large amount of filter media to consume for a long time, the air that will replace whole building space simultaneously needs certain time, can not provide clean air for human breathing high-efficiently.

Except using the air purifier, people can also breathe and purify the air by wearing the mask or the electric mask. The air is filtered by the filter layer in the mask to become clean and safe air which is inhaled by human bodies.

The breathing gas by wearing the mask brings much trouble to the human body, for example, the breathing resistance is increased, and people feel uncomfortable; the blocking of the mask causes the exhaled hot air flow to flow through the glasses to cause the fogging of the glasses and the like; or the mask and the electric mask are worn to cause inconvenience for covering the face, for example, the mask is not suitable for wearing common masks and electric masks in scenes such as the epidemic situation of respiratory tract infection or the dining of patients with respiratory tract sensitive symptoms, the doctor of infants in hospitals, and the like.

Disclosure of Invention

In order to solve the problems of breathing resistance and inconvenient mask purification in the background technology, the invention provides an air purifier which can be worn by the chest, a small amount of air is sucked and purified by the air purifier and then is uniformly sent out, the sent air acts on a breathing area of a user according to the vertical upward outlet air speed and the guiding of an air outlet baffle plate, a layer of air curtain is formed, the air flowing upwards after being purified is arranged in the air curtain, and indoor polluted air is arranged outside the air curtain. The air curtain isolates polluted air in the room, and ensures that the air breathed by people is the air purified by the equipment, thereby playing the role of protecting susceptible people.

In order to achieve the effects and the purposes, the invention adopts the following technical scheme:

wear-type air purifier wears in human chest, include:

the shell plays a role in supporting and fixing parts by the main body;

the air inlet filtering component is arranged at the front part in the shell and is provided with an air inlet and filters air;

the fan power assembly is arranged in the middle of the shell and is used for communicating the air inlet filtering assembly with the air exhaust drainage assembly so as to provide driving force for air flow;

the air exhaust and drainage assembly is arranged at the upper end part of the shell, is provided with an air outlet and distributes and guides the outflow air;

the hanging belt is connected with the shell and hung on the neck or the shoulder through the hanging belt to wear the air purifier.

Two ends of the hanging belt are respectively connected to two side parts of the shell, and the middle part of the hanging belt is hung on the neck or the shoulder.

The shell comprises a main shell and a lower shell, the main shell and the lower shell are oppositely matched and clamped, an inner cavity is formed between the main shell and the lower shell, a through groove is formed in the front end face of the shell and serves as an air inlet, and a through groove is formed in the top end face of the shell and serves as an air outlet;

the air inlet filtering component comprises a filter screen frame, a filter screen and a fan cover, the filter screen frame, the filter screen and the fan cover are sequentially arranged at the front part of the internal cavity from the front to the rear, the filter screen frame is embedded in the air inlet, and a through hole is formed in one side of the fan cover;

the fan power assembly comprises a mounting frame, a fan, a battery and a circuit board, the mounting frame is mounted at the rear part of the inner cavity, the fan, the battery and the circuit board are fixedly mounted on the mounting frame, the battery is connected with the fan through the circuit board, the inlet side of the fan is arranged opposite to the through hole of the fan cover, and a gap is formed between the outlet side of the fan and the inner wall of the rear side of the main shell;

the air exhaust drainage component comprises a rectifying frame and an air outlet baffle, the rectifying frame is embedded in the air outlet, and the adjustable air outlet baffle is vertically arranged at the front part of the main shell above the air outlet.

The main casing body before the terminal surface set up logical groove as the air intake, main casing body bottom erection joint casing down, main casing body top terminal surface set up logical groove as the air outlet.

The air purifier can form a layer of air curtain in front of the mouth and the nose of a human body, and the air curtain isolates polluted air in a room, so that the air breathed by a person is clean air purified by equipment in the air curtain, and the air purifier plays a role in protecting susceptible people.

The air purifier has the following beneficial effects:

the air purifier has the advantages that the purified air quantity is obviously less than that of the traditional indoor air purifier, and clean and safe breathing air can be provided for people, so that the effects of saving energy, reducing emission and saving filter material resources are achieved.

Secondly, the invention has the advantages that the invention is light and portable, can be worn by people on the chest, is different from the traditional indoor purifier which has large volume and is inconvenient to move, and solves the problem of face shielding caused by wearing a mask or an electric mask.

Thirdly, the air purified by the mask can be easily inhaled and exhaled by a human body and cannot shield the face, so that the problems that breathing is uncomfortable to the human body when the mask is worn and scenes such as dining and doctor seeing are not suitable for wearing the mask and the electric mask are solved.

Fourthly, the air purifier has the advantages that the filter screen can be disassembled and replaced, so that the air purifier is wide in application, and for example, filter papers with different grades or characteristics can be replaced and the rotating speed of a fan can be adjusted to meet different air purification requirements according to the filtering requirements of corresponding particulate matters indoors, outdoors of haze, polluted areas of hospitals and the like.

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned can be more clearly understood by those skilled in the art to which the present invention pertains from the contents of the claims of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is to be understood that the drawings in the following description are of an embodiment only.

Fig. 1 is a schematic diagram of the working principle of the present invention.

Fig. 2 is an exploded view of an air purifier according to an embodiment of the present invention.

Fig. 3 is a schematic view of the overall structure of the air purifier according to the embodiment of the present invention after installation.

Fig. 4 is an exploded view of an air purifier with air flow arrows.

Fig. 5 is a right side sectional view of the air cleaner shown in fig. 2.

Fig. 6 is a top view of a fairing frame of the air cleaner shown in fig. 1.

In the figure: main casing 1, lower casing 2, mounting bracket 3, fan 4, fan cover 5, filter screen 6, filter screen frame 7, filter screen 6, fairing 8, air-out baffle 9, battery 10, circuit board 11.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

The advantages, features and methods of accomplishing the same will become more apparent from the following description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, and the present invention may be implemented in various ways different from each other, and the embodiments are only for making the disclosure of the present invention more complete, and for making the scope of the present invention more completely understood by those skilled in the art to which the present invention pertains, and the present invention is defined only by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Hereinafter, the present invention will be described using embodiments of the present invention with reference to the accompanying drawings for describing an air cleaner.

As shown in fig. 1, the wearable air purifier is worn on the chest of a human body, and the working principle is as follows: the device sucks unpurified air (mainly from the lower part of a breathing area), purifies the air through an internal filter screen, and finally uniformly sends the purified air upwards through a flow channel design, the sent purified air flows upwards under the guidance of an outflow speed and an air outlet baffle plate, a layer of air curtain is formed in front of the mouth and the nose of a person, and the layer of air curtain blocks the unpurified air around under the cooperation of an adjustable air outlet baffle plate, so that the air sucked by the person is the purified air.

As shown in fig. 2 and 4, the structure comprises a shell, an air inlet filtering component, a fan power component, an air exhaust and drainage component and a hanging belt.

The shell comprises a main shell 1 and a lower shell 2, the main shell 1 and the lower shell 2 are oppositely matched and clamped, an inner cavity is formed between the main shell 1 and the lower shell 2, a through groove is formed in the front end face of the shell and is hermetically mounted between the main shell 1 and the lower shell 2 to serve as an air inlet, and a through groove is formed in the top end face of the shell to serve as an air outlet;

in specific implementation, a through groove is formed in the front end face of the main shell 1 to serve as an air inlet, the bottom of the main shell 1 is connected with the lower shell 2 in an installing mode, and the top end face of the main shell 1 is provided with the through groove to serve as an air outlet. The main casing 1 plays a role in supporting and fixing the lower casing 2, the mounting frame 3, the fan guard 5, the filter screen frame 7 and the fairing frame 8.

The air inlet filtering component comprises a filter screen frame 7, a filter screen 6 and a fan cover 5, the filter screen frame 7, the filter screen 6 and the fan cover 5 are sequentially arranged at the front part of the inner cavity from the front to the rear, the filter screen frame 7 is embedded in an air inlet, and a through hole is formed in one side of the fan cover 5;

the fan power assembly comprises a mounting frame 3, a fan 4, a battery 10 and a circuit board 11, the mounting frame 3 is mounted at the rear part of the inner cavity, the mounting frame 3 is fixedly connected to the main shell 1, the fan 4, the battery 10 and the circuit board 11 are fixedly mounted on the mounting frame 3, the battery 10 is connected with the fan 4 through the circuit board 11, the inlet side of the fan 4 is arranged opposite to the through hole of the fan cover 5, and a gap is formed between the outlet side of the fan 4 and the inner wall of the rear side of the main shell 1, namely the rear part of;

the air exhaust drainage component comprises a rectifying frame 8 and an air outlet baffle 9, the rectifying frame 8 is embedded in an air outlet, the air outlet baffle 9 is vertically arranged at the front part of the main shell 1 above the air outlet, and the lower end of the air outlet baffle 9 is fixed at the front edge of the main shell 1.

Specifically, the functions of the respective components are as follows:

the main casing 1 plays a role in supporting and fixing the lower casing 2, the mounting frame 3, the fan guard 5, the filter screen frame 7 and the fairing frame 8. The main shell 1 is arranged on the side surface close to the chest of the human body as a surface which is matched and attached with the chest.

The lower casing 2, located at the lower end of the device, serves to connect the main casing 1 and support the screen frame 7.

And a screen frame 7 mounted at the foremost end of the apparatus. The staggered grid bars on the filter screen frame 7 form gaps through which air passes, and the gaps are air inlets of the equipment.

Filter screen 6 installs on strainer tray frame 7 for purify the air that gets into the equipment, the protection demand of different scenes is satisfied to removable different filtration efficiency's filter screen.

And the fan cover 5 is arranged behind the filter screen frame 7 and the filter screen 6. The fan cover 5 is provided with a circular opening, an air inlet channel matched with the size of an air inlet of the fan 4 is formed behind the circular opening, and air passing through the filter screen 6 enters the fan 4 behind the circular opening and the channel.

The mounting bracket 3 serves to connect the main housing 1 and to support the fan 4, the battery 10 and the circuit board 11.

The fan 4 powers the air flow. As shown in fig. 5, the air inlet of the fan 4 is attached to the outlet of the air duct formed by the fan cover.

The battery 10 is fixed in the mounting frame 3 and provides power for the fan, namely the invention is different from the traditional indoor air purifier in that electricity needs to be plugged, the invention provides energy by the battery, and the invention is portable mobile equipment.

The circuit board 11 is fixed in the mounting frame 3, and can control the switch and the rotational speed of the fan, and when a certain amount of wind is required, the filter screens with different filtering capacities can cause air pressure drops of different degrees, so that the rotational speed of the fan needs to be adjusted after the filter screens with different grades are replaced in order to maintain the set wind speed and the set wind amount.

And the rectifying frame 8 is arranged at the upper end of the main shell and is provided with an air outlet of the equipment. Referring to fig. 1, the outlet face is upward, i.e. the outlet speed is upward. Referring to fig. 6, the resistance design of the air outlet is to arrange the grid of the rectifying frame 3 to be dense in the middle and sparse at two ends, so that the air outlet is uniform, and finally the outlet air can better wrap the breathing area of the human.

The air outlet baffle 9 plays a role in vertically guiding air at the air outlet. Referring to fig. 2, the air outlet baffle 9 is composed of an upper part and a lower part, the lower part of the baffle is fixed on the main casing 1, the upper part of the baffle is arranged in the sliding groove of the lower part of the baffle, and the height of the whole air outlet baffle can be adjusted by sliding the upper part, so that the air outlet baffle is suitable for different scenes such as sitting still, walking and near talking. Referring to fig. 1, the air outlet baffle 9 allows the outflow air to better travel to the person's breathing zone and to better form an air curtain.

The specific implementation also includes a hanging belt 12, the hanging belt 12 is connected with the main shell 1, and a person can wear the equipment by hanging the hanging belt on the neck. Two ends of the hanging belt are respectively connected to two side parts of the shell, and the middle part of the hanging belt is hung on the neck or the shoulder.

Referring to fig. 2, 3 and 4, the flow process of the air is as follows: air is sucked through the gap at the front end of the filter screen frame 7 and then passes through the filter screen 6 to be purified, the purified air is sucked by the fan 4 from the through hole of the fan cover 5, the air discharged from the fan 4 finally reaches the rectifying frame 8 through the rear part of the inner cavity and is uniformly discharged under the rectifying action of the rectifying frame 8, and the discharged air is guided by the air outlet baffle plate 9, passes through the neck of a human body to reach the face area of the human body and further reaches the nose-mouth breathing area to be sucked by the human body.

In the following description, the front is a direction indicated by an arrow in fig. 2, the front corresponds to a direction toward the outside of the chest after the device is worn by a person, and the rear is opposite to the front, and thus corresponds to the concept of the front end and the rear end of the device. The vertical direction is the direction vertical to the ground, the gravity direction is the lower side, the opposite direction of the lower side is the upper side, namely the upper side corresponds to the direction towards the chin of the human body after the equipment is worn. The left and right are shown relative to the front and rear.

Referring to fig. 1, the present invention can form a layer of air curtain in front of the nose and mouth of a person, wherein purified air flows upwards in the air curtain, and polluted air in a room is outside the air curtain. The air curtain isolates polluted air in the room, so that the air breathed by people is the purified clean air of the equipment in the air curtain, and the function of protecting susceptible people is achieved.

In summary, the present invention provides an apparatus for purifying air, which is light and portable compared to conventional indoor air purifiers, and does not cause facial occlusion compared to masks and electric masks. The invention is not characterized by the complexity or novelty of the internal structure, but lies in the basic working principle of the invention, namely the invention can form a layer of air curtain in front of the mouth and the nose of the human body to isolate polluted air and provide clean breathing air for the human body. Therefore, the above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several modifications and variations without departing from the principle of the present invention, and these modifications and variations are also considered as the protection scope of the present invention.

Claims

1. The utility model provides a wear formula air purifier which characterized in that: wear-type air purifier wears in human chest, include:

the shell plays a role in supporting and fixing parts by the main body;

2. A wearable air purifier as claimed in claim 1, wherein:

3. A wearable air purifier as claimed in claim 1, wherein:

the shell comprises a main shell (1) and a lower shell (2), the main shell (1) and the lower shell (2) are oppositely matched and clamped, an inner cavity is formed between the main shell and the lower shell, a through groove is formed in the front end face of the shell and serves as an air inlet, and a through groove is formed in the top end face of the shell and serves as an air outlet;

the air inlet filtering component comprises a filter screen frame (7), a filter screen (6) and a fan cover (5), the filter screen frame (7), the filter screen (6) and the fan cover (5) are sequentially arranged at the front part of the inner cavity from the front to the rear, the filter screen frame (7) is embedded in an air inlet, and one side of the fan cover (5) is provided with a through hole;

the fan power assembly comprises a mounting frame 3, a fan 4, a battery (10) and a circuit board (11), the mounting frame (3) is mounted at the rear part of the inner cavity, the fan (4), the battery (10) and the circuit board (11) are fixedly mounted on the mounting frame (3), the battery (10) is connected with the fan (4) through the circuit board (11), the inlet side of the fan (4) is arranged right opposite to a through hole of the fan cover (5), and a gap is formed between the outlet side of the fan (4) and the inner wall of the rear side of the main shell (1);

the air exhaust drainage assembly comprises a rectifying frame (8) and an air outlet baffle (9), the rectifying frame (8) is embedded in the air outlet, and the adjustable air outlet baffle (9) is vertically arranged at the front part of the main shell (1) above the air outlet.

4. A wearable air purifier as claimed in claim 1, wherein:

the main casing body (1) preceding terminal surface set up logical groove and regard as the air intake, casing (2) under main casing body (1) bottom erection joint, main casing body (1) top terminal surface sets up logical groove and regards as the air outlet.