TWM596858U - Portable invisible protective device for air purification - Google Patents

Abstract

This creation discloses an invisible protective device for portable air purification. The invisible protective device includes an air cleaning device and an air guide device. The air cleaning device is portable air with at least one filter (HEPA standard) to filter out purified air The purifier, the air purifier device is provided with a neck rope for the user to hang on the chest; the air guide device is arranged behind the filter, and there is a blower with an air generation capacity greater than 300ml per second, and the air guide device makes the pressurization The clean air behind is directed upward from the user's chest to the front of his face, forming a positive pressure air curtain in front of the user's face, causing the dirty air from the outside to be shielded from the air curtain without being affected by the user's mouth and nose Inhaled to form an excellent protective layer of clean air.

Description

Invisible protective device for portable air purification

This creation is about an invisible protective device for portable air purification, especially a design of an invisible protective device that can provide the user to hang on the chest and guide the filtered air to the user to form a positive pressure air curtain.

As we all know, air pollutants increase the risk of cancer. Today, air pollution has many potential health effects, from subtle physiological changes in the body to obvious symptoms such as itchy nose and throat, wheezing, cough, chest pain, or chest tightness. Wait. People with asthma or chronic respiratory diseases will get worse if they come into contact with air pollutants. A number of studies at home and abroad have shown that there is an important link between the number of hospital admissions and premature deaths due to respiratory and cardiovascular diseases and severe air pollution.

Furthermore, many infectious diseases (such as influenza, SARS, MERS, New Coronary Pneumonia, etc.) are infected by droplet infection, contact infection and aerosol infection. Droplet infection refers to the sneezing, coughing, talking droplets of patients, and exhaled Infection caused by direct inhalation of gas at close range; contact infection refers to infection caused by contact with the virus on the surface of the object, and then contact with mucous membranes such as the nose, nose or eyes; as for aerosol infection, it refers to the mixing of droplets in the air to form a floating Aerosols, infections caused by inhalation, have great opportunities to distribute infectious viruses in the air in many places; therefore, the general public needs to implement basic epidemic prevention behaviors such as wearing medical grade masks and diligent hand washing during the epidemic. To avoid the virus infection mentioned above.

However, when the masks are worn and replaced, the general public cannot correctly discriminate and confirm them. Therefore, the protective effect of the masks is often affected. In addition, when wearing a mask for a long time, it may be hot due to lack of ventilation, which may lead to other skin diseases. To this end, how to balance epidemic prevention and effective air pollution health defense is the subject to be actively overcome for this creation.

The purpose of this creation is to provide an invisible protective device for portable air purification, which uses an air purifier and a wind guide device that blows out the wind, so that the filtered clean air is guided upward from the user's chest to the pressurized way. A positive pressure air curtain is formed in front of the face, so as to isolate the dirty air from entering the air curtain, and can supply enough filtered clean air to be sucked, thereby ensuring the invisible protection of the user during breathing.

In order to achieve the above purpose, the portable air purifying invisible protective device of the present invention preferably includes an air purifier for wearing on the chest and an air guide device disposed inside the air purifier, which is characterized by: The front end mask of the air purifier has an air inlet, and a filter screen which can be replaced behind the air inlet; the upper end of the air purifier has an air outlet, and a guide connected to the air outlet Wind plate; and the wind guide device is arranged behind the filter screen, the blower device is provided with a blower for sucking air from the air inlet, the air is filtered into filtered air through the filter screen and enters A blower, which pressurizes the filtered air and ejects it from the air outlet, and is guided to the front of the user's mouth and nose through the air guide plate to form a positive pressure air curtain, thereby making the positive pressure air curtain in the user's mouth A clean air protection layer is formed in front of the nose.

In the above invisible protective device for portable air purification, the wind deflector is rotatably assembled to the air outlet.

In the above-mentioned portable air purification invisible protective device, the air purification machine is provided with a neck rope for the user to hang on the chest.

In the above-mentioned portable air purification invisible protection device, the air outlet is provided on the upper end surface or both side surfaces of the upper end portion of the air purification machine.

In the above-mentioned portable air purification invisible protection device, the air production volume of the blower per second is greater than 300ml.

In the above-mentioned portable air purification invisible protection device, the filter is a filter conforming to the HEPA standard.

In the above-mentioned portable air purification invisible protection device, the air purification machine is provided with a negative ion generator.

The above-mentioned portable air purification invisible protection device further includes a duct and a hanger, wherein: the lower end of the duct is connected to the air outlet, the upper end of the duct is provided with a nozzle; and the hanger is used to wear the user's chin and A transparent plastic sheet shielded in front of the mouth and nose, the nozzle at the upper end of the catheter is combined under the hanger.

This creative portable air cleaning invisible protective device uses the guide plate to brush the positive pressure air cover after filtering to the front of the user's face, thereby forming an invisible protective air cover, thus ensuring that the user cannot absorb Safety protection of dirty air outside.

The structural features, other functions and purposes of this creation are described in detail in the following embodiments according to the attached drawings:

Referring to Figures 1 and 3 of the accompanying drawings, the author creates a portable air cleaning invisible protective device, which includes an air cleaning machine 1 for wearing on the chest, and a guide provided in the air cleaning machine 1 Wind installation 2, where:

The air cleaner 1 is a portable air cleaner with at least one filter 11 to purify the air. The filter 11 is disposed behind an air inlet 12 at the front end of the air cleaner 1; the air cleaner 1 The upper end has an air outlet 13, the air outlet 13 is provided on the upper end surface or both sides of the upper end, and a wind deflector 14 connected to the air outlet 13; in addition, the air purifier 1 is provided for use The person hangs a neck rope 15 on his chest.

The air guide device 2 is disposed inside the air purifier 1 and is located behind the filter 11. The air guide device 2 is provided with a blower 21. The blower 21 is used to draw outside air from the air inlet 12, so that The outside air is filtered into filtered air through the filter 11 and then enters the blower 21, after which the blower 21 pressurizes the filtered air and ejects it from the air outlet 13 at the upper end. The ejected filtered air passes through the air guide The plate 14 leads to the front of the user's mouth and nose to form a positive pressure air curtain, so that the dirty air and germs outside are shielded from the air curtain, so that the dirty air and viruses are not affected by the user's mouth and nose through aerosol transmission. Inhale to form an excellent protective layer of clean air. Among them, the preferred embodiment of the blower 21 is a small centrifugal blower. The air production of the blower 21 needs to be greater than or equal to 300 ml per second, so that the sprayed filtered air is sufficient to form a positive pressure air curtain in front of the user's mouth and nose.

As the human body rests quietly, it takes about 10 to 12 breaths per minute, and the amount of each breath (tidal volume) is about 500ml. Therefore, the positive pressure air curtain formed by the invisible protective device of the portable air purifier adopts the air supply per second More than 300ml is appropriate, so the amount of gas produced by the fan 21 needs to be greater than or equal to 300ml per second. That is to say, each time the human body breathes, the amount of clean air located in the front air curtain of the face must be sufficient for the body to inhale the air in one time, so as to ensure that the body in front of the face when inhaling The space is maintained at a positive pressure, so that the unfiltered air outside the air curtain is inhaled by the human body.

In addition, the wind deflector 14 provided in the air outlet 13 of the present invention can adjust the blowing direction of the induced wind according to the wearing position of the user, so that the clean wind can smoothly sweep on the front edge of the user's face Ever. And after the filtered air is led out from the air outlet 13, through the guide of the wind guide plate 14, the wind can be guided to form a piece of air wall, when the air cover can increase the protective area covering the face, Improve the protective effect of the gas mask.

Referring again to FIG. 2, the air guide device 2 of the present invention is designed to make the air pressure of the blowing air curtain sufficient to resist the pressure outside the air curtain. The internal blower 21 can pass through the double-layer blower pressurization mode to make the two The blower 21 is connected in series with air passages to form a supercharging effect, so that the formed wind pressure can generate an appropriate air curtain shield.

The filter 11 used in this creation is preferably a filter conforming to the HEPA standard, which can filter suspended particles of PM0.1 size, which are arranged at the air inlet 12 of the air purifier 1 to deal with suspended particles in the air It has a good barrier effect, can filter out 99% of the general dust, very fine dust and allergens in the air, and can leave the dirt in the fuselage, and then send clean air into the environment. In addition, the filter 11 can also be provided with different levels of protection such as anti-sensitive filter layer and anti-dust filter layer according to the size of the suspended particles, so that the filter consumables can be used appropriately. Maximum application time.

In addition to at least one filter 11, the air purifier 1 can also be equipped with a negative ion generator 16, through which a large amount of negative ions can be generated, and a large amount of negative ions can be released into the environment and brought into the air. The combination of positively charged gas molecules, dust or microorganisms makes it stick to the ground and furniture for easy cleaning. In order to be able to use the belt for a long time, the present invention further implements a battery unit 17 in the air purifier 1, which is preferably a rechargeable lithium battery.

In addition, referring to FIG. 4, one of the preferred embodiments of the invisible protective device for portable air purification in the present invention further includes a duct 3 and a hanger 4, wherein:

The duct 3 mainly has the function of guiding filtered air, preferably a snake belly hose, the lower end of the duct 3 is connected to the air outlet 13, and the upper end of the duct 3 is provided with a nozzle 31, so that The air outlet form of the nozzle 31 forms an air curtain-like air blowing effect;

The hanger 4 is a transparent plastic sheet for wearing the user's chin and covering the front of the mouth and nose, providing the user with a fixed support for extending the end of the catheter 3 to the front end of the user's chin, so that the nozzle at the upper end of the catheter 3 When the air is discharged at 31, a positive pressure air curtain can be formed by the hanger 4 to guide and diffuse and blow to the user's face. The function of the hanger 4 to guide the airflow is equivalent to that of the wind deflector 14 described above. Wherein, the hanger 4 can be fixedly supported by using a head-mounted fixing structure or an ear-hanging fixing structure, so that the catheter 3 and the nozzle 31 have the effect of adjusting the positioning position.

In summary, the portable air purification invisible protective device of this creation has indeed been practical and creative. The use of its technical means is also undoubtedly novel, and its efficacy and design purpose are in line with it. It has been said that it has been reasonably improved to the point. To this end, a new type of patent application is filed in accordance with the law, but I urge the Jun Bureau to give a detailed examination and grant the patent as a prayer, so I feel virtuous.

1: Air cleaner 11: Filter 12: Air inlet 13: Outlet 14: wind deflector 15: neck rope 16: Negative ion generator 17: battery unit 2: Wind guide device 21: Blower 3: Catheter 31: Nozzle 4: hanger

FIG. 1 is a schematic diagram of a first preferred embodiment of the invisible protective device for creating a portable air purifier. Fig. 2 is a schematic diagram of a second preferred embodiment of the invisible protective device for creating a portable air purifier. Fig. 3 is a schematic diagram of the first use state of the invisible protective device for the portable air purifier. Figure 4 is a schematic diagram of the use state of the catheter and the hanger of the invisible protective device for the portable air purification.

1: Air cleaner

11: Filter

12: Air inlet

13: Outlet

14: wind deflector

16: Negative ion generator

17: battery unit

2: Wind guide device

21: Blower

Claims (8)

An invisible protective device for portable air purifier, which includes an air purifier for wearing on the chest and an air guide device arranged inside the air purifier, characterized by: The front end mask of the air purifier has an air inlet, and a filter screen which can be replaced behind the air inlet; the upper end of the air purifier has an air outlet, and a guide connected to the air outlet Wind board The air guide device is arranged behind the filter screen, and a blower is provided in the air guide device. The blower is used to suck air from the air inlet. The air is filtered into filtered air through the filter screen and enters the blower. The blower After pressurizing the filtered air, it is ejected from the air outlet and guided through the wind deflector to the front of the user's mouth and nose to form a positive pressure air curtain. The invisible protective device for portable air purification according to claim 1, wherein the wind deflector is rotatably assembled to the air outlet. The invisible protective device for portable air purification according to claim 1, wherein the air purification machine is provided with a neck rope for the user to hang on the chest. The invisible protective device for portable air purification according to claim 1, wherein the air outlet is provided on the upper end surface or both side surfaces of the upper end portion of the air purification machine. The invisible protective device for portable air purification according to claim 1, wherein the blower has a gas production capacity of more than 300ml per second. The invisible protective device for portable air purification according to claim 1, wherein the filter is a filter conforming to the HEPA standard. The invisible protective device for portable air purification according to claim 1, wherein the air purification machine is provided with a negative ion generator. The invisible protective device for portable air purification according to claim 1, further comprising a duct and a hanger, wherein: The lower end of the duct is connected to the air outlet, and the upper end of the duct is provided with a nozzle; and The hanger is a transparent plastic sheet for wearing the user's chin and covering the front of the mouth and nose. The nozzle at the upper end of the catheter is combined under the hanger.

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