CN205626762U - Filtration purification malleation gauze mask - Google Patents

Abstract

The utility model relates to the technical field of environmental protection, in particular to a filtering and purifying positive pressure mask. A filtering and purifying positive pressure mask provided by the utility model comprises an air conduit and an air purifier sequentially connected to the mask, a nozzle-shaped air outlet air bag body is arranged inside the mask body, and a number of air outlet holes are arranged on the front film of the air bag body of the air bag body. The membrane is connected to the air outlet end of the air duct, the middle part of the air pipe is set in the fixed belt of the mask, the air inlet end of the air pipe is connected to the air purifier, the front of the air purifier is equipped with a display screen, and a power switch is installed under the display screen , The air intake grille of the air purifier is provided with an air pressure sensor and a carbon dioxide concentration sensor, the upper end of the sensor is provided with a filter layer for filtering particulate matter and harmful gases, and the upper part of the filter layer is provided with an air pump, CPU processor and power supply. The utility model adopts positive pressure air supply, intelligent automatic operation, safe and durable, easy to carry and effectively filters particulates and harmful gases in the air.

Description

A filter and purification positive pressure mask

technical field

The utility model relates to the technical field of environmental protection, in particular to a filtering and purifying positive pressure mask.

Background technique

Due to the rapid development of China's economy and society, industrial pollution has also developed accordingly. The rapid industrialization process has made air pollution more and more serious. The concentration of dust, sulfide, nitrogen oxides and other pollutants in the air is getting higher and higher, especially PM2.5 has seriously affected people's normal life. In order to solve different types of pollutants such as particulate matter, harmful gases and aerosols in the air, people have used various improved masks. In the prior art, most masks either have poor filtering effect, poor air permeability, stuffy and difficult breathing, or are too heavy and inconvenient to use.

Chinese patent CN2783918Y discloses a portable multifunctional positive pressure air purification mask, which has added humanized functions such as heating, humidification and even aromatherapy. But it does not meet the needs of people now. There are many problems in this patent. As when exhaling, the exhalation is not smooth. People will also be harmed by smog-containing gas if they enter the part where the internal contact part is not tightly sealed. There are also problems that it is inconvenient to carry and cannot realize intelligent operation control when the mask is carried or when the weather smog is dispersed. .

Contents of the invention

In order to overcome the defects in the prior art, the filter and purification positive pressure mask provided by the utility model is equipped with an air pump and a filter sheet on the air purifier to actively transport clean air, and is also provided with a The storage box for storing the mask and the trachea makes the mask easy to carry and clean and hygienic. A display connected to the CPU processor, a carbon dioxide concentration sensor and an air pressure sensor are also arranged on the air purifier to realize intelligent operation and monitoring.

The utility model is achieved through the following technical solutions: a filter and purification positive pressure mask, comprising an air conduit connected to the mask, the air conduit is connected to an air purifier, an air bag body is arranged inside the mask, and the air bag body The air outlet nozzle of the air bag is provided with an air bag front film and an air bag rear film, and the upper part of the air bag front film is provided with a number of air outlet holes, and the lower part of the air bag front film is provided with an air intake one-way air curtain, and the two sides of the air intake one-way air curtain are provided with There is an exhaust one-way air curtain, the edge of the front film of the air bag is sealed and connected with the edge of the rear film of the air bag and an outer edge is arranged, the one-way air curtain for exhaust is arranged on the outer edge, and the rear film of the air bag is connected to the air outlet end of the trachea Connection, the middle part of the air pipe is arranged in the fixed belt of the mask, the air inlet end of the air pipe passes through the fixed belt and is connected with one end of the air duct, and the other end of the air duct is connected with the universal joint of the air purifier connection, the front of the air purifier is provided with a display screen, the display screen is provided with a power switch, an increase key and a decrease key for adjusting the air volume, the bottom of the air purifier is provided with an air intake grille, and the air intake grill is provided at the bottom of the air purifier. A first air pressure sensor and a first carbon dioxide concentration sensor are arranged in the air grille, and a filter sheet for filtering particulate matter and harmful gas is provided at the upper end of the first air pressure sensor and the first carbon dioxide concentration sensor, and the filter sheet includes The first filter layer, the second filter layer and the third filter layer are stacked, and the top of the filter sheet is provided with a partition, and the partition is fixedly equipped with an air pump and a power supply connected to the CPU processor. The air outlet of the device is provided with a second air pressure sensor and a second carbon dioxide concentration sensor.

Further, both the front membrane of the airbag and the rear membrane of the airbag are provided with protrusions from the outer edge to the center to adapt to the external physiological structure of the nose, and the curvature of the protrusions of the front membrane of the airbag is greater than the curvature of the protrusions of the rear membrane of the airbag.

Further, the display screen is a touch screen and is provided with an automatic and manual operation setting mode, a voice reminder mode and a voice alarm mode.

Further, the side of the air purifier is provided with a USB socket connected to the CPU processor.

Further, the CPU processor is provided with a signal acquisition module, and the signal acquisition module transmits the data of the first air pressure sensor, the first carbon dioxide concentration sensor, the second air pressure sensor and the second carbon dioxide concentration sensor to the CPU processor The CPU processor compares the data with the data stored in the storage module and then transmits instructions to the processing module, and the processing module controls and adjusts the gas delivery volume of the air pump through the instruction module.

Further, the power switch is provided with a first indicator light, a second indicator light and a third indicator light.

Further, the air purifier is provided with a storage box for storing masks and air ducts after the first rear cover is opened.

Further, a second rear cover for replacing the filter sheet after opening is provided under the storage box.

Further, the air purifier is provided with a buzzer connected to the CPU processor.

Further, the first filter layer is an F8 filter, and the third filter layer is a drug bag.

Compared with the prior art, the filtering and purifying positive pressure mask of the utility model has superior effect: the filtering and purifying positive pressure mask provided by the utility model has achieved the effects of monitoring and intelligent work, and positive pressure air supply, and is easy to carry and clean health. The utility model has the advantages of convenient operation, simple structure, firmness and durability.

Description of drawings

Fig. 1 is the structural representation of filtering and purifying positive pressure mouth mask described in the utility model;

Fig. 2 is the three-dimensional structural diagram of the airbag body in the filtering and purifying positive pressure mask of the utility model;

Fig. 3 is the front view of the air purifier in the filtering and purifying positive pressure mask of the utility model;

Fig. 4 is the right side view of the air purifier in the filtering and purifying positive pressure mask of the utility model;

Fig. 5 is the bottom view of the air purifier in the filtering and purifying positive pressure mask of the utility model;

Fig. 6 is the rear view of the air purifier in the filtering and purifying positive pressure mask of the utility model;

Fig. 7 is the module structural diagram of CPU processor in the filter purification positive pressure mouth mask described in the utility model;

Fig. 8 is a structural diagram of the universal joint in the filtration and purification positive pressure mask of the present invention.

The reference signs are as follows:

1-mask, 2-fixing belt, 3-air duct, 4-trachea, 5-airbag body, 501-outer edge, 502-airbag rear membrane, 503-exhaust one-way air curtain, 504-airbag front membrane, 505- Air vent, 506-intake one-way air curtain, 6-head, 7-universal joint, 701-first steering knuckle, 702-second steering knuckle, 703-base, 8-air cleaner, 801-display screen , 802-increase key, 803-power switch, 804-decrease key, 805-buzzer, 806-USB socket, 807-air intake grille, 808-first air pressure sensor, 809-first carbon dioxide concentration Sensor, 810-power supply, 811-CPU processor, 8111-CPU processing module, 8112-signal acquisition module, 8113-power supply module, 8114-command module, 8115-storage module, 812-first filter layer, 813-second Filter layer, 814-the third filter layer, 815-partition plate, 816-air pump, 817-the second air pressure sensor, 818-the second carbon dioxide concentration sensor, 9-the first rear cover, 10-the second rear cover, 11 - Open slot.

detailed description

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Example 1

As shown in Figure 1-8, a kind of filtering and purifying positive pressure mouth mask provided by the utility model is specifically described, a kind of filtering and purifying positive pressure mouth mask, comprises the air duct 3 that is connected with mouth mask 1, and described air duct 3 is connected with air purifier 8 connections, the mouth mask 1 is provided with an air bag body 5 in the shape of an air outlet nozzle, the air bag body 5 is provided with an air bag front film 504 and an air bag rear film 502, and the air bag front film 504 top is provided with some air outlet holes 505, so The lower part of the front membrane 504 of the airbag is provided with an intake one-way air curtain 506, which opens when inhaling and closes when exhaling. The one-way air curtain 506 is close to the nostril and has a large amount of air intake, which can effectively supplement the air outlet 505 instantaneous air intake, the user will not feel that the air volume is not enough when inhaling. The two sides of the intake one-way air curtain 506 are provided with an exhaust one-way air curtain 503. The edge of the airbag front film 504 is in contact with the airbag rear The edge of the film 502 is closed and connected and is provided with an outer edge 501. The exhaust one-way air curtain 503 is arranged on the outer edge 501. The rear membrane 502 of the airbag is connected with the air outlet end of the trachea 4. When the user exhales, the air bag is exhausted. Open to the air curtain 503, so that the exhaled gas is quickly discharged, and the exhaust one-way air curtain 503 is closed during inhalation, thereby ensuring that what is inhaled is fresh air through filtration. The middle part of described trachea 4 is arranged in the fixing belt 2 of mouth mask 1, and the air inlet end of described trachea 4 passes out from fixing belt 2 and is connected with an end of air duct 3, and the other end of described air duct 3 is connected with air purification. The universal joint 7 of device 8 is connected, and two fixed belts 2 of mouth mask 1 are all provided with and pass through and air duct 3 in a part of fixed belt 2, and the unused end is closed with end cap 6. The front of the air purifier 8 is provided with a display screen 801, and the display screen 801 is provided with a power switch 803, an increase key 802 and a decrease key 804 for adjusting the air volume. After the power switch 803 is turned on, the display screen 801 is turned on and To work, the user sets the minimum air intake volume, the maximum air intake volume, and the value of the air intake volume change on the display screen 801, and can also press the air volume increase key 802 and the decrease key 804 by hand as needed to adjust the air volume at any time. capacity. The bottom of the air purifier 8 is provided with an air intake grille 807, and the first air pressure sensor 808 and the first carbon dioxide concentration sensor 809 are arranged in the air intake grille 807 for measuring the air inlet of the air purifier 8. Air pressure value and carbon dioxide concentration value, the upper ends of the first air pressure sensor 808 and the first carbon dioxide concentration sensor 809 are provided with a filter sheet for filtering particulate matter and harmful gas, and the filter sheet includes a first filter layer 812 stacked , the second filter layer 813 and the third filter layer 814, the top of the filter sheet is provided with a partition 815, and the partition 815 is fixedly equipped with an air pump 816 and a power supply 810 connected to the CPU processor 811, and the partition 815 is provided with There is a transom connected to the air inlet of the air pump 816, and the filtered air enters the air inlet of the air pump 816 through the transom. The power supply 810 is selected from a lithium battery, and the power is selected to ensure that the normal use of the air purifier 8 is not less than 6 hours, and the use of the maximum air volume is not less than 3 hours. The air outlet of the air cleaner 8 is provided with a second air pressure sensor 817 and a second carbon dioxide concentration sensor 818 for measuring the air pressure value and the carbon dioxide concentration value of the air outlet of the air cleaner 8 . The front membrane 504 of the airbag and the rear membrane 502 of the airbag are all provided with protrusions from the outer edge 501 to the center to adapt to the external physiological structure of the nose. Radian, the display screen 801 is a touch screen display and 1 is provided with automatic and manual operation setting mode, reminder mode and alarm mode, the side of the air cleaner 8 is provided with a USB socket connected to the CPU processor 811 806. The CPU processor 811 is provided with a signal acquisition module 8112, and the signal acquisition module 8112 transmits the data of the first air pressure sensor 808, the first carbon dioxide concentration sensor 809, the second air pressure sensor 817 and the second carbon dioxide concentration sensor 818 To the CPU processor 811, the CPU processor 811 compares the data with the data stored in the storage module 8115 and then transmits instructions to the processing module 8111, and the processing module 8111 controls and adjusts the air delivery volume of the air pump 816 through the instruction module 8114, The power supply module 8113 controls the power delivered by the distribution power supply 810 to each power consumption unit according to the gas delivery volume of the air pump 816 . The power switch 803 is provided with a first indicator light showing normal power, a second indicator light showing low power and a third indicator light showing very little power. The first indicator light is green, and the second indicator light is orange, and the third indicator is red. Described air purifier 8 is provided with the storage box that is used to store mouth mask 1 and air conduit 3 after opening first back cover 9, and the second back cover 10 that replaces filter sheet after opening is provided with the bottom of described storage box, so The air purifier 8 is provided with a buzzer 805 connected to the CPU processor 811, and the buzzer 805 has a large difference in pressure value between the first air pressure sensor 808 and the second air pressure sensor 817 or the first carbon dioxide concentration sensor The difference between 809 and the second carbon dioxide concentration sensor 818 concentration value is large. When the work of adjusting the air pump 816 cannot reach the normal value, an alarm signal will be sent to remind the filter to be replaced. When the power is very low, the buzzer 805 will also send an alarm signal. Remind users to charge in time.

Example 2

On the basis of Example 1, the preferred technical solution of the utility model is that the first filter layer 812 is a paper F8 filter screen, which can filter particulate matter above PM2.5, and the filtering effect is more than 90%. The filter layer 813 is an activated carbon layer, which can filter harmful gases such as particulate matter and aerosols below PM2.5, and the filtering effect is above 90%. The third filter layer 814 can be used to treat diseases of the respiratory system. The first filter layer 812 , the second filter layer 813 and the third filter layer 814 are all provided with a frame.

Example 3

On the basis of Embodiment 1, the preferred technical solution of the utility model is that a universal joint 7 is provided on the air outlet of the air cleaner 8, and the other end of the universal joint 7 is connected with the air duct 3, and the universal joint 7 For the air pipe provided with the installation base 703, the installation base 703 is connected with the intake end of the first steering knuckle 701, and the first steering knuckle 701 rotates axially and radially expands and contracts along the base 703, and the air outlet end of the first steering knuckle 701 is connected with the first steering knuckle 701. The air intake ends of the two steering knuckles 702 are connected, and the air intake ends of the second steering knuckle 702 can rotate axially and radially expand and contract along the air outlet end of the first steering knuckle 701. An opening groove 11 is set on the storage box, and the opening groove 11 is used to place the air outlet of the second steering knuckle 702. When in use, open the first rear cover 9, take out the mask 1 and air pipe 4, pull the second steering knuckle 702 out of the opening groove 11 and then rotate it to avoid hindering the first rear cover 9 is closed and opened, and the order is reversed when packing up. Described mouth mask 1 is preferably cotton cloth material, can clean simultaneously with air bag body 5 and repeatedly use, and wherein also be provided with on the air duct 3 that is provided with respectively in fixing band 2 and be fixedly connected with end cap 6, end cap 6 is used for Block the inlet end of the air duct 3.

The utility model is not limited to the above-mentioned embodiments. Without departing from the essential content of the utility model, any deformation, improvement and replacement conceivable by those skilled in the art all fall within the protection scope of the utility model.

Claims (10)

1. null1. a filtration, purification malleation mask，Including the air conduit (3) being connected with mask (1)，Described air conduit (3) is connected with air purifier (8)，It is characterized in that，Pneumatophore (5) it is provided with in described mask (1)，The shower nozzle of giving vent to anger of described pneumatophore (5) is provided with air bag cephacoria (504) and air bag caudacoria (502)，Described air bag cephacoria (504) top is provided with some ventholes (505)，Described air bag cephacoria (504) bottom is provided with the unidirectional gas curtain of air inlet (506)，The both sides of the unidirectional gas curtain of described air inlet (506) are provided with the unidirectional gas curtain of aerofluxus (503)，The edge of described air bag cephacoria (504) is connected with the border seal of air bag caudacoria (502) and is provided with outer rim (501)，The unidirectional gas curtain of described aerofluxus (503) is arranged in outer rim (501)，Described air bag caudacoria (502) is connected with the outlet side of trachea (4)，The mid portion of described trachea (4) is arranged in the fixing band (2) of mask (1)，One end that the inlet end of described trachea (4) passes with air conduit (3) from fixing band (2) is connected，The other end of described air conduit (3) is connected with the universal joint (7) of air purifier (8)，Described air purifier (8) front is provided with display screen (801)，Described display screen (801) is provided with on and off switch (803)、Adjust the increasing key (802) of tolerance and reduce key (804)，The bottom of described air purifier (8) is provided with air-inlet grille (807)，The first air pressure probe (808) and the first gas concentration lwevel sensor (809) it is provided with in described air-inlet grille (807)，The upper end of described first air pressure probe (808) and the first gas concentration lwevel sensor (809) is provided with the filter for filtration of particulate matters and harmful gas，Described filter includes the first filter course (812) that stacking is arranged、Second filter course (813) and the 3rd filter course (814)，The top of described filter is provided with dividing plate (815)，Described dividing plate (815) is fixed with the air pump (816) and power supply (810) being connected with CPU processor (811)，The air outlet slit of described air purifier (8) is provided with the second air pressure probe (817) and the second gas concentration lwevel sensor (818).
2. 2. filtration, purification malleation mask as claimed in claim 1, it is characterized in that, described air bag cephacoria (504) and air bag caudacoria (502) are equipped with the projection adapted with nose external physiologic structure from outer rim (501) to center, and the radian that described air bag cephacoria (504) is protruding is more than the radian that air bag caudacoria (502) is protruding.
3. 3. filtration, purification malleation mask as claimed in claim 1, it is characterised in that described display screen (801) is touching display screen and is provided with setting pattern, voice reminder pattern and the audio alert pattern automatically and manually operated.
4. 4. filtration, purification malleation mask as claimed in claim 1, it is characterised in that the side of described air purifier (8) is provided with the USB (806) being connected with CPU processor (811).
5. 5. filtration, purification malleation mask as claimed in claim 1, it is characterized in that, described CPU processor (811) is provided with signal acquisition module (8112), described signal acquisition module (8112) is by the first air pressure probe (808), first gas concentration lwevel sensor (809), the data of the second air pressure probe (817) and the second gas concentration lwevel sensor (818) are transferred to CPU processor (811), data are processed backward processing module (8111) transmission instruction with the Data Comparison of storage in memory module (8115) by described CPU processor (811), described processing module (8111) controls to adjust the displacement of air pump (816) by instruction module (8114).
6. 6. filtration, purification malleation mask as claimed in claim 1, it is characterised in that described on and off switch (803) is provided with the first display lamp, the second display lamp and the 3rd display lamp.
7. 7. filtration, purification malleation mask as claimed in claim 1, it is characterised in that described air purifier (8) is provided with after opening the first bonnet (9) to be used for depositing puts mask (1) and the storage box of air conduit (3).
8. 8. filtration, purification malleation mask as claimed in claim 7, it is characterised in that the lower section of described storage box is provided with after opening the second bonnet (10) changing filter.
9. 9. filtration, purification malleation mask as claimed in claim 1, it is characterised in that described air purifier (8) is provided with the buzzer (805) being connected with CPU processor (811).
10. 10. filtration, purification malleation mask as claimed in claim 1, it is characterised in that described first filter course (812) is F8 drainage screen, and described 3rd filter course (814) is medicated bag.