CN111659044A - Self-suction mask with air pressure self-detection function and intelligent air inflow regulation function and method - Google Patents

Abstract

The invention discloses a self-suction mask with air pressure self-detection and intelligent air inflow regulation and control functions and a method, wherein the self-suction mask comprises a helmet body, a green energy system is arranged on the outer surface of the helmet body, and an air purification system and an air pressure self-detection intelligent control system are arranged in the helmet body; the air purification system comprises an HEPA filter screen, an active carbon adsorption and filtration device, an oxygen anion generator and an ultra-silent air pump which are sequentially arranged along the air inlet direction; the air pressure self-checking intelligent control system is connected with the air pump and comprises an external air pressure detector and an intracavity air pressure monitoring controller. When the air pressure in the cavity is smaller than the air pressure outside the cavity, the air pressure self-checking controller intelligently regulates and controls the air quantity of the ultra-silent air pump, so that the air pressure in the cavity is higher than the air pressure outside the cavity, the exhaled air is timely exhausted through the exhaust port, and people can breathe smoothly.

Description

Self-priming mask and method with air pressure self-checking and intelligent regulation of air intake

technical field

The invention relates to the field of air purification, in particular to a self-priming mask with air pressure self-checking and intelligent regulation of air intake volume and a method thereof.

Background technique

The current air quality situation in my country is not very optimistic, and haze weather is frequent, especially in winter. The air contains a variety of harmful substances such as PM _2.5 , PM ₁₀ , O ₃ , NO ₂ , SO ₂ , VOCs, etc. Air pollution has a serious impact on people's health. For citizens who ride motorcycles and electric vehicles on a daily basis, face shields are a transportation necessity. However, the face shields currently on the market only have basic safety functions and are not environmentally friendly. Function.

With the rapid increase of motor vehicles, vehicle exhaust emissions are also increasing. According to the test, the air pollution index is the highest about one meter from the ground, and this height happens to be the driving height of the cyclist, so it will inhale a lot of harmful gases and endanger human health.

The study found that with long-term exposure to polluted air, for every 100 micrograms per cubic meter increase in total suspended particulate matter (TSP), the mortality rate increased by 14%, and the average life expectancy was shortened by 3 years, and the increase in mortality was almost all caused by cardiopulmonary diseases. of.

Some existing face masks with environmental protection functions are added with some filtering devices and power storage devices, so that the masks are too heavy and feel uncomfortable to wear. Most of the light mask filtration devices are one-layer filtration, the air purification effect is not obvious, and the quality of the treated air is reduced, and sometimes there is an unpleasant odor. The noise of the air pump is too large, especially the echo in the mask cavity is too large, which damages the hearing of the user and causes irritability and discomfort. The air intake of the air pump directly affects the breathing comfort of the person. In addition, the air pump needs an external battery and needs to be replaced frequently, which is more troublesome.

SUMMARY OF THE INVENTION

In view of the above problems, the present invention discloses a self-priming mask and method with air pressure self-checking and intelligent regulation of air intake, which can effectively solve the problem of how citizens who ride motorcycles and electric vehicles can breathe clean air. When the air pressure in the cavity is lower than the air pressure outside the cavity, the air pressure self-checking controller intelligently regulates the air volume of the ultra-quiet air pump, so that the air pressure in the cavity is higher than the air pressure outside the cavity so that the exhaled gas can be discharged through the exhaust port in time, so that people can breathe smoothly.

The self-priming mask with air pressure self-checking and intelligent regulation of air intake includes a helmet body, a green energy system is arranged on the outer surface of the helmet, and an air purification system and an air pressure self-checking intelligent control system are arranged in the helmet body;

The air purification system includes a HEPA filter screen, an activated carbon adsorption and filtering device, a negative oxygen ion generator and an ultra-quiet air pump, which are arranged in sequence along the air intake direction;

The air pressure self-checking intelligent control system is connected with the air pump, and the air pressure self-checking intelligent control system includes an external air pressure detector and an air pressure monitoring controller in the cavity.

Preferably, the front end of the HEPA filter screen is provided with a preliminary filter screen, and the activated carbon adsorption and filtering device comprises an activated carbon particle filling pipe and an activated carbon filter screen which are connected in sequence.

Preferably, the preliminary filter screen is elliptical and is arranged at the air inlet, and the preliminary filter screen is a metal filter screen.

Preferably, the activated carbon particle filling pipe includes a plurality of polytetrafluoroethylene pipes arranged in parallel, the polytetrafluoroethylene pipes are filled with activated carbon particles, and both ends of the polytetrafluoroethylene pipe are provided with activated carbon particles for blocking the activated carbon particles. of absorbent cotton.

Preferably, the green energy system is a flexible solar cell film.

Preferably, the helmet body includes a shell, protective glasses are movably connected to the front of the shell, an air inlet is provided above the protective glasses, air vents are provided on the top surface and the back of the shell, and the inside of the shell is A filling lining is provided, the air purification system and the air pressure self-checking intelligent control system are located in the space formed by the outer casing and the filling lining, and the bottom of the outer casing is provided with an edge surrounding cloth.

Preferably, the top surface of the casing is provided with a first exhaust hole, and the rear of the casing is provided with two second exhaust holes symmetrically.

Preferably, the mask further includes a detachable flexible lithium polymer rechargeable battery, and the rechargeable battery is connected with a USB charging jack.

The invention also discloses a method for filtering air by a self-priming mask with air pressure self-checking and intelligent regulation of air intake, comprising the following steps:

Step 1. The external air pressure detector monitors the air pressure outside the cavity, and the air pressure monitoring controller in the cavity monitors the air pressure in the cavity. When the air pressure in the cavity is less than the air pressure outside the cavity, the air pressure self-checking controller intelligently regulates the air intake volume of the ultra-quiet air pump, so that the cavity The internal air pressure is always slightly higher than the external air pressure, so that the exhaled gas can be discharged through the exhaust port in time to make breathing smooth;

Step 2. Externally polluted toxic gases enter the mask cavity through the preliminary filter, HEPA filter, activated carbon particle filling tube, activated carbon filter, negative oxygen ion generator, and ultra-quiet air pump, and monitor the internal and external air pressure in real time, and replace the air volume in time. Air intake, exhaust air at the top and rear exhaust holes to achieve one-way air flow, reduce and eliminate mirror fogging;

Step 3, the negative oxygen ion generator generates negative air ions.

Beneficial effects of the present invention:

1. The device of the present invention integrates the air purification system, the air pressure self-checking control system and the green energy system in the traditional mask, greatly expands the function of the mask, and provides users with clean and rich negative energy under the premise of ensuring safety. The air with oxygen ions protects human health.

2. The initial filter, HEPA filter, activated carbon particle filling tube and activated carbon filter are connected in series to greatly improve the air purification efficiency; the negative oxygen ion generator supplements negative oxygen ions in the treated air to improve the air quality. Quality; the ultra-quiet air pump is at the end of the air purification system, creating negative pressure to provide intake power.

3. The green energy system is used as an energy system for the operation of the mask, covering the surface of the mask with a flexible solar cell film, converting solar energy into electrical energy, providing green energy for the mask air purification system, saving energy and protecting the environment, and realizing the "self-breathing" function; external standard USB The charging jack is used to ensure the normal use of the air purification system when the power of the solar battery is insufficient.

4. The air pressure self-checking controller is added to realize real-time monitoring of the air pressure inside and outside the air pressure chamber. The air pressure self-checking controller intelligently regulates the intake volume of the ultra-quiet air pump, so that the air pressure in the cavity is always slightly higher than the air pressure outside the cavity, so that the exhaled gas can be timely. Exhaust through the exhaust port to make breathing easier.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the structural representation of the present invention;

In the picture: 1. Air inlet; 2. HEPA filter; 3. Activated carbon particle filling pipe; 4. First exhaust hole; 5. Activated carbon filter; 6. Negative oxygen ion generator; 7. Ultra-quiet air pump; 8. USB charging jack; 9. Air purification and air pressure self-checking control system switch; 10. Edge cloth; 11. Mirror base; 12. Intracavity air pressure monitoring controller; 13. Filling lining; 14. Flexible solar cell film ; 15. Protective glasses; 16. Intake channel pipe; 17. Preliminary filter; 18. Housing; 19. Second exhaust hole; 20. Flexible lithium polymer rechargeable battery; Intra-cavity air inlet.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "inner", "outer", "left" and "right" is based on the orientation or positional relationship shown in the accompanying drawings, which is only for convenience The invention is described and simplified without indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. ,

The present invention discloses a self-priming air purifying gas mask as shown in FIG. 1 that realizes air pressure self-checking and intelligently regulates the air intake. The mask includes a lightweight helmet body, an air purification and air pressure self-checking control system and a green energy system .

The lightweight helmet body includes: a lightweight filling liner 13, a mirror base 11, protective glasses 15, an edge cloth 10, a first air vent 4, an outer shell 18, and a second air vent 19. The protective goggles are anti-glare fogging mirror. The first air vent 4 is placed on the top of the mask, and there are two second air vents 19, which are placed on the left and right sides of the rear of the mask, respectively.

The air purification system includes: a preliminary filter screen 17 , a HEPA filter screen 2 , an activated carbon particle filling pipe 3 , an activated carbon filter screen 5 , a negative oxygen ion generator 6 , and an ultra-quiet air pump 7 . The preliminary filter screen 17 is oval, embedded on the air inlet 1 at the front end of the mask, and adopts a metal filter screen. The HEPA filter screen 2 is inlaid between the shell 18 and the lining 13. In the detachable air purification system room 23, behind the preliminary filter screen 17, laminated borosilicate microfibers are used, and then needle punching and electret processing are performed. The activated carbon particle filling tube 3 is embedded between the shell 18 and the lining 13. In the detachable air purification system chamber 23, the front end is connected to the HEPA filter screen 2, and the rear end is connected to the activated carbon filter screen 5, and the activated carbon particles are filled in a bunch of parallel arranged. In the Teflon tube, both ends were plugged with absorbent cotton. The activated carbon filter screen 5 is embedded between the shell 18 and the lining 13. In the detachable air purification system chamber 23, the front end is connected to the activated carbon particle filling pipe 3, and the rear end is connected to the negative oxygen ion generator 6 and the ultra-quiet air pump 7. The negative oxygen ion generator 6 is inlaid between the shell 18 and the lining 13, in the detachable air purification system chamber 23, above the intake passage, the front end is connected to the activated carbon filter 5, and the rear end is connected to the ultra-quiet air pump 7. The ultra-quiet air pump device 7 is embedded between the outer shell 18 and the lining 13. In the detachable air purification system chamber 23, the front end is connected to the negative oxygen ion generator 6, and the rear end is connected to the air intake channel 16, and the negative pressure is formed into the mask. Enter fresh air.

The green energy system includes: a flexible solar cell film 14 , a detachable "flexible" lithium polymer rechargeable battery 20 , and an external standard USB charging jack 8 .

The air pressure self-checking control system includes: intra-cavity air pressure monitoring controller 12, and extra-cavity air pressure monitor 21.

The intra-cavity air pressure monitoring controller 12 and the extra-cavity air pressure monitor 21 are placed at the end of the air inlet channel 16 and the front end of the air inlet 22 in the cavity, connected to the ultra-quiet air pump 7, and embedded between the casing 18 and the lining 13.

The flexible solar cell film 14 is embedded on the casing, and the power output is connected to a removable "flexible" lithium polymer rechargeable battery 20 . A removable "flexible" lithium polymer rechargeable battery 20 is placed at the rear of the mask inlaid between the outer shell 18 and the liner 13 , connecting the flexible solar cell film 14 to the standard USB charging jack 8 .

Said standard USB charging jack 8 is placed on the left rear side of the mask, next to the removable "flexible" lithium polymer rechargeable battery 14 .

The device of the invention integrates the air purification and air pressure self-checking control system and the green energy system into the traditional mask, greatly expands the function of the mask, and provides users with clean and negative oxygen ion-rich air under the premise of ensuring safety. Air, care for human health. The initial filter, HEPA filter, activated carbon particle filling tube and activated carbon filter are connected in series to greatly improve the air purification efficiency; the negative oxygen ion generator supplements negative oxygen ions in the treated air to improve air quality; The ultra-quiet air pump is at the end of the air purification system, creating negative pressure to provide intake power. The green energy system operates as a mask and includes a flexible solar cell film, a removable "flexible" lithium polymer rechargeable battery, and an external standard USB plug. Cover the surface of the mask with a flexible solar cell film to convert solar energy into electrical energy, provide green energy for the mask air purification system, save energy and protect the environment, and realize the function of "self-respiration"; an external standard USB charging jack is used to ensure the air in the case of insufficient solar battery power. Normal use of the purification system. The green energy system supports the air purification system and realizes real-time monitoring of the air pressure inside and outside the cavity. The external air pressure detector monitors the air pressure outside the cavity, the cavity air pressure monitoring controller monitors the cavity air pressure, and the air pressure self-checking controller intelligently regulates the intake air volume of the ultra-quiet air pump. , so that the air pressure in the cavity is always slightly higher than the outside air pressure, so that the exhaled gas can be discharged through the exhaust port in time, so that the breathing is smooth.

The working principle of this embodiment: the air purification and air pressure self-checking control system switch 9 is turned on, the ultra-quiet air pump 7 starts to work, generates negative pressure for inhalation, and the air containing toxic substances outside first passes through the preliminary filter screen 17 to remove the larger particle size. Particulate matter and dust; then through the HEPA filter 2, special chemical fibers are used, and then through acupuncture processing and electret treatment, the fibers are charged to form an electrostatic field, and at the same time, the fine particles are charged, and the opposite charges interact with each other. Attraction, fine particles are adsorbed on the fibers, and the breathing resistance is lower under the premise of ensuring the filtration efficiency of PM10 and PM2.5; the air after removing the particles enters the activated carbon particle filling pipe 3, and the activated carbon has a large specific surface area, and The activated carbon particles are densely covered with small capillary channels, which can adsorb NO ₂ , SO ₂ , CO and ozone (O ₃ ) components in the polluted air. The activated carbon particles are filled in a bundle of PTFE tubes arranged in parallel. The absorbent cotton is blocked to prevent the particles from escaping; the air that removes air particles and ozone (O ₃ ) passes through the activated carbon filter 5, which can completely and efficiently remove organic pollutants such as VOCs (volatile organic compounds) in the air and activated carbon particles in the filling tube 3. Activated carbon particles; then the negative oxygen ion generator 6 can add healthy negative oxygen ions to the air after removing particulate matter, O ₃ , and VOCs; the detachable air purification system room 23 is easy to replace the purification device; the anti-glare fogging mirror 15 can be Avoid visual damage and mirror fogging problems when exposed to strong light; the top vent 4 is placed at the top of the mask and the rear vents are placed on both sides of the back of the mask to ensure air circulation. The flexible solar cell film 14 covers the surface of the mask, converts solar energy into electrical energy, and provides green energy for the mask air purification system. Removable "flexible" lithium polymer rechargeable battery 20 and external standard USB charging jack 8 to ensure insufficient solar battery power normal use of air purification and detection systems. The intra-cavity air pressure monitoring controller 12 and the external air pressure detector monitor the air pressure inside and outside the mask cavity in real time, and adjust the air intake volume of the ultra-quiet air pump 7 in real time according to the air pressure inside and outside the mask cavity, so as to always keep the air pressure in the cavity slightly higher than the external air pressure, so that the cavity The exhaled gas is discharged through the exhaust port in time, which is smooth breathing.

Example 2

In this embodiment, a method for isolating and self-checking atmospheric toxic substances according to the present invention, the method utilizes a light mask for isolating atmospheric toxic substances that realizes intelligent self-inspection in Example 1, and includes the following steps:

The flexible solar cell film 14 covers the surface of the mask, converts solar energy into electrical energy, and provides green energy for the mask air purification system. Removable "flexible" lithium polymer rechargeable battery 20 and external standard USB charging jack 8 to ensure insufficient solar battery power normal use of air purification and detection systems.

After turning on the air purification and air pressure self-checking control system switch 9, the particulate matter in the atmosphere is first removed, and the larger particle size and dust are removed through the preliminary filter 17; then fine particles PM ₁₀ and PM _2.5 are removed through the HEPA filter 2 Wait.

Then, organic pollutants such as ozone in the air and VOCs (volatile organic compounds) in the air are removed, and the activated carbon particle filling tube 3 adsorbs NO ₂ , SO ₂ , CO and ozone (O ₃ ) components in the polluted air; activated carbon filter 5 , which can completely and efficiently remove organic pollutants such as VOCs (volatile organic compounds) in the air.

Then, healthy negative oxygen ions are added to the treated air for sterilization and disinfection, which is beneficial to human health. The negative oxygen ion generator 21 can add healthy negative oxygen ions to the air after removing particulate matter, O ₃ , VOCs and other toxic substances.

The intra-cavity air pressure monitoring controller 12 and the external air pressure detector monitor the air pressure inside and outside the mask cavity in real time, and intelligently adjust the air intake volume of the ultra-quiet air pump 7 in real time according to the air pressure inside and outside the mask cavity, so as to always keep the air pressure in the cavity slightly higher than the external air pressure, so that The exhaled gas in the cavity is discharged through the exhaust port in time to make breathing smooth.

Adopt following test to verify the effect of the present invention:

Test 1: Use the present invention for cyclists to wear a mask to intelligently control the air intake and realize air purification in atmospheric polluted air, and proceed according to the following steps:

The external air pressure was detected to be 998 (hpa), and the air pressure in the mask cavity was 998 (hpa). Put on a mask, turn on the air purification system and the air pressure self-check intelligent control system, detect the air pressure in the mask cavity to be 1028 (hpa), and the purified air enters the mask cavity. The air outlet exits the mask and is dynamically balanced with the purified air entering the mask.

At the same time, the air quality indexes in the mask were measured as PM ₁₀ : 20, PM _2.5 : 11, NO ₂ : 28, SO ₂ : 18, O ₃ : 8, and CO: 2. All meet the first-level indicators of "Ambient Air Quality Standard (GB3095-2012)".

Test 2: Use the invention for cyclists to wear a mask to intelligently control the air intake and realize air purification in the air with high air pressure pollution, and proceed according to the following steps:

The high-pressure polluted air environment is artificially given. After testing, the external air pressure is 1089 (hpa), and the air pressure in the mask cavity is 1089 (hpa). Put on a mask, turn on the air purification system and the air pressure self-checking intelligent control system, and detect that the air pressure in the mask cavity is 1110 (hpa), and the purified air enters the mask cavity. The air outlet exits the mask and is dynamically balanced with the purified air entering the mask.

At the same time, the air quality indexes in the mask were measured as PM ₁₀ : 18, PM _2.5 : 10, NO ₂ : 27, SO ₂ : 16, O ₃ : 6, CO: 1. All meet the first-level indicators of "Ambient Air Quality Standard (GB3095-2012)".

The above description of the disclosed embodiments enables any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, this application is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The self-priming mask with air pressure self-checking and intelligent regulation of air intake, is characterized in that it comprises a helmet body, the outer surface of the helmet is provided with a green energy system, and the helmet body is provided with an air purification system and an air pressure self-checking Intelligent control system; The air purification system includes a HEPA filter screen, an activated carbon adsorption and filtering device, a negative oxygen ion generator and an ultra-quiet air pump, which are arranged in sequence along the air intake direction; The air pressure self-checking intelligent control system is connected with the air pump, and the air pressure self-checking intelligent control system includes an external air pressure detector and an air pressure monitoring controller in the cavity. 2. The self-priming mask with air pressure self-inspection and intelligent regulation of air intake according to claim 1, characterized in that, the front end of the HEPA filter screen is provided with a preliminary filter screen, and the activated carbon adsorption and filter device comprise sequentially Connected activated carbon pellet filling tube and activated carbon filter. 3. The self-priming mask with air pressure self-checking and intelligent regulation of air intake according to claim 2, characterized in that, the preliminary filter screen is oval, and is arranged at the air inlet, and the preliminary filter screen is elliptical. For metal mesh. 4. The self-priming mask with air pressure self-checking and intelligent regulation of air intake according to claim 2, wherein the activated carbon particle filling pipe comprises a plurality of polytetrafluoroethylene pipes arranged in parallel. The tetrafluoroethylene tube is filled with activated carbon particles, and both ends of the polytetrafluoroethylene tube are provided with absorbent cotton for blocking the activated carbon particles. 5. The self-priming mask with air pressure self-checking and intelligent regulation of air intake according to claim 3 or 4, wherein the green energy system is a flexible solar cell film. 6 . The self-priming mask with air pressure self-checking and intelligent regulation of air intake according to claim 3 or 4, wherein the helmet body comprises an outer shell, and protective glasses are movably connected in front of the outer shell, and the An air inlet is arranged above the protective glasses, an exhaust hole is arranged on the top surface and the back of the outer casing, a filling lining is arranged inside the outer casing, and the air purification system and the air pressure self-checking intelligent control system are located between the outer casing and the filling lining. In the formed space, the bottom of the outer shell is provided with an edge surrounding cloth. 7. The self-priming mask with air pressure self-checking and intelligent regulation of air intake according to claim 6, wherein the top surface of the casing is provided with a first exhaust hole, and the back of the casing is symmetrically provided with two Second vent. 8 . The self-priming mask with air pressure self-checking and intelligent regulation of air intake according to claim 6 , wherein the mask further comprises a detachable and flexible lithium polymer rechargeable battery, and the rechargeable battery is connected with a USB charging device. 9 . jack. 9. a kind of method that utilizes the self-priming mask of claim 6 to self-check and intelligently regulate and control air intake to filter air, is characterized in that, comprises the steps: Step 1. The external air pressure detector monitors the air pressure outside the cavity, and the air pressure monitoring controller in the cavity monitors the air pressure in the cavity. When the air pressure in the cavity is less than the air pressure outside the cavity, the air pressure self-checking controller intelligently regulates the air intake volume of the ultra-quiet air pump, so that the cavity The internal air pressure is always slightly higher than the external air pressure, so that the exhaled gas can be discharged through the exhaust port in time to make breathing smooth; Step 2. The toxic gas from external pollution enters the mask cavity through the preliminary filter screen, HEPA filter screen, activated carbon particle filling tube, activated carbon filter screen, negative oxygen ion generator, and ultra-quiet air pump, and the internal and external air pressure is monitored in real time to replace the air volume in time. Air intake, exhaust air at the top and rear exhaust holes to achieve one-way air flow, reduce and eliminate mirror fogging; Step 3, the negative oxygen ion generator generates negative air ions.

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