CN111214774A

CN111214774A - Modular air filtering device and mask comprising same

Info

Publication number: CN111214774A
Application number: CN202010153207.8A
Authority: CN
Inventors: 翁骁谋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-06-02

Abstract

The invention discloses a modular air filtering device and a mask comprising the same, and relates to the field of sanitary products. The invention can effectively disinfect the filtering material and air under the condition of ensuring air filtration, thereby the invention can be used for a long time and can be stored for a long time, the resource is convenient to store, and the production cost is reduced; meanwhile, when the common filter material resources are in short supply, the mask can be combined with the existing mask for use, so that the application range is improved, and the use expansibility and the practicability of the breathing filtration protection equipment are improved.

Description

Modular air filtering device and mask comprising same

Technical Field

The invention relates to the field of sanitary products, in particular to a modular air filtering device and a mask comprising the same.

Background

The existing breathing filtration protection equipment, such as an anti-poison canister and a mask, has a certain storage period, and after the expiration, the equipment cannot provide protection within a design range, and if a large amount of breathing filtration protection equipment is stored, higher cost is inevitably paid, so that the public can hardly obtain corresponding protection equipment when the breathing filtration protection equipment is in short supply.

Under the unable circumstances of obtaining enough breathing filtration protection equipment goods and materials, people can carry out used repeatedly breathing filtration protection equipment, at this moment, then need accomplish appropriate disinfection to breathing filtration protection equipment, not only need consume a large amount of manpower and materials, and the filter media nature of part breathing filtration protection equipment has decided that it can't use repeatedly, under emergency, people then can purchase the filtration protection equipment of breathing that the way is unknown on market and use, finally can cause more serious consequence.

Therefore, there is an urgent need for an air filter device that can be stored conveniently and can achieve self-disinfection.

Disclosure of Invention

The present invention is directed to a modular air filtering device and a mask including the same to solve the above problems.

In order to realize the purpose of the invention, the technical scheme is as follows: the utility model provides a modularization air filter, includes the multiple-stage connection extension mechanism, and the overlapping is in proper order installed a plurality of filtration disinfection modules on the multiple-stage connection extension mechanism, and all installs filtration filter media and disinfection light source in a plurality of filtration disinfection modules.

Further, an air supply module is further installed between two adjacent filtering and sterilizing modules or at one end or/and two ends of the filtering and sterilizing modules, and a drainage fan is installed in the air supply module.

Furthermore, the multistage connection expansion mechanism comprises a mounting piece, wherein a base is fixedly mounted at one end of the mounting piece, and an adjustable pressing block is mounted at the other end of the mounting piece; the air supply module and the plurality of filtering and disinfecting modules are jointly pressed and fixed between the base and the pressing block.

Furthermore, one end of the mounting piece, which is far away from the base, is fixedly provided with a screw rod extending along the axis direction of the mounting piece; the compressing block is sleeved on the screw rod, and a locking nut is further installed at the extending end of the screw rod.

Further, the width of the upper end of the mounting piece is smaller than the maximum width of the mounting piece; all install the fixed block on base, air supply module and a plurality of filtration disinfection module, and all set up on the fixed block with installed part complex draw-in groove.

Furthermore, the filtering and sterilizing module and the air supply module both comprise a shell; the shell comprises an outer cylinder body, a front cover and a cap cover, wherein the front cover and the cap cover are arranged at two ends of the outer cylinder body; an air inlet hole is formed in the front cover, and an air outlet hole is formed in the cap cover.

Furthermore, a spacer ring is further installed on the inner wall of the outer cylinder body, the disinfection light source and the drainage fan are both installed between the front cover and the spacer ring, and the filter material is installed between the spacer ring and the cap.

Furthermore, a rear cover connector is further arranged between the spacer ring and the cap cover, and a sealing ring is further arranged between the rear cover connector and the cap cover.

Furthermore, the rear cover connector is also provided with a connecting pipe which penetrates through the cap cover and extends outwards.

Furthermore, the front cover is also provided with an insertion tube corresponding to the connecting tube.

Furthermore, a plurality of L-shaped clamping pieces are uniformly distributed at intervals in the circumferential direction in the connecting pipe, and a gap is formed between every two adjacent clamping pieces; the inserting tube is provided with a clamping block matched with the notch.

Further, a sleeve is further arranged in the outer cylinder body of the filtering and disinfecting module; the sleeve is internally provided with a grid, and the filter material is positioned between the grid and the spacing ring; and a compression ring for compressing the filter material is also arranged in the sleeve.

Further, the compression ring is in threaded connection with the sleeve.

Furthermore, one or more of the filtering and disinfecting modules are also provided with an ozone removing filter material, and the ozone removing filter material is arranged between the filter layer and the grating.

Further, an inner cylinder body is further installed in the outer cylinder body of the air supply module, a plurality of air vents are formed in the bottom of the inner cylinder body, and the drainage fan is fixedly installed in the inner cylinder body.

Furthermore, the outer wall of the inner cylinder body is provided with a support lug which is tightly pressed between the spacing ring and the front cover, and the middle part of the inner cylinder body is clamped in the spacing ring.

Furthermore, a plurality of power supply transmission pins are also arranged on the multistage connection expansion mechanism, and power receiving transmission pins corresponding to the power supply transmission pins are arranged on the air supply module and the plurality of filtering and disinfecting modules; the multi-stage connection expansion mechanism is internally provided with a storage battery and a mainboard, and the storage battery is electrically connected with the mainboard; the multi-stage connection extension mechanism is further provided with an extension connection pin, a switch and a plurality of indicator lamps, and the output end of the mainboard is electrically connected with the extension connection pin, the switch, the indicator lamps and the power supply transmission pins respectively.

A mask comprises a mask main body and at least one modular air filtering device, wherein the mask main body is connected with an air supply module in a plurality of modular air filtering devices; the mask body is also provided with a one-way valve.

The beneficial effect of the invention is that,

according to the invention, through the drainage of the air supply module, air can sequentially pass through the plurality of filtering and sterilizing modules, so that the air can be filtered and sterilized when passing through each sterilizing and filtering module, and the ozone in the air can be eliminated by the ozone-removing filtering material when passing through the filtering and sterilizing module containing the ozone-removing filtering material; meanwhile, the invention can be stored for a long time, thereby facilitating the storage of resources and reducing the production cost.

When the common filter material resources are in short supply, the mask can be combined with the existing mask for use, so that the application range is improved, and the use expansibility and the practicability of the breathing filter protection equipment are improved; meanwhile, the invention has high modularization degree and more universal components, and most of the components can be disassembled and assembled through independent modules to form a set of brand new filtering and disinfecting modules or air supply modules, so that the assembly or the maintenance is convenient, and the maintainability and the universality are improved.

When the common filter material resources are unavailable, the filter material can be replaced by the self-made filter material, the filter disinfection modules are overlapped, so that the filtering grade is improved, air can be filtered and disinfected when passing through each filter disinfection module, the breathing resistance can be effectively compensated by installing the air supply module, and people can manufacture the filter material by utilizing the material automatically when the common filter material is in short supply, so that the corresponding protection is provided for the people.

Drawings

FIG. 1 is a block diagram of a modular air filtration unit provided in accordance with example 1 of the present invention;

FIG. 2 is a cross-sectional view of a modular air filtration unit provided in accordance with example 1 of the present invention;

FIG. 3 is a block diagram of the multi-stage linkage expansion mechanism of FIG. 1;

FIG. 4 is an exploded view of the multi-stage linkage expansion mechanism of FIG. 1;

FIG. 5 is an exploded view of the filter sterilization module of FIG. 1;

FIG. 6 is an exploded view of the blower module of FIG. 1;

FIG. 7 is a view showing the construction of a filter sterilizing module in example 2 of the present invention in FIG. 1;

FIG. 8 is a structural view of a filter sterilizing module in embodiment 2 of the present invention;

FIG. 9 is a view showing the construction of a filter sterilizing module in example 3 of the present invention in FIG. 1;

FIG. 10 is a structural view of a filter sterilization module in example 3 of the present invention, FIG. 2;

fig. 11 is a structural view of a mask provided in embodiment 4 of the present invention.

Reference numbers and corresponding part names in the drawings:

1. the mask comprises a multi-stage connection expansion mechanism, 2, an air supply module, 4, a filtering and disinfecting module, 5, a fixing block, 6, a clamping groove, 7, an electricity receiving and transmitting pin, 8, a mask body, 9, a one-way valve, 10 and a hose;

100. the device comprises a mounting piece, 101, a base, 102, a pressing block, 103, a screw rod, 104, a lock nut, 105, a power supply transmission pin, 106, a storage battery, 107, a main board, 108, an expansion connection pin, 109, a switch, 110, an indicator light, 111 and a box body;

200. the device comprises a shell, 201, a drainage fan, 202, a spacer ring, 203, a rear cover connector, 204, a sealing ring, 205, a connecting pipe, 206, an insertion pipe, 207, a notch, 208, a fixture block, 209, an inner cylinder body, 210, a vent hole, 211, a support lug, 212, a spacer ring, 213, a nut column, 214 and a clamping piece;

300. a filtering filter material 301, a disinfection light source 302, a sleeve 303, a grid 304, a compression ring 305 and an ozone removing filter material;

2001. outer cylinder 2002, front cover 2003, cap 2004, air inlet hole 2005, air outlet hole.

Detailed Description

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Example 1

As shown in fig. 1 and fig. 2, the present embodiment provides a modular air filtering device, which includes a multi-stage connection extension mechanism 1, a plurality of filtering and disinfecting modules 4 are sequentially installed on the multi-stage connection extension mechanism 1 in an overlapping manner, and a filtering material 300 and a disinfecting light source 301 are installed in each of the plurality of filtering and disinfecting modules 4.

The multistage connection expansion mechanism 1 is used for installing the air supply module 2 and the plurality of filtering and sterilizing modules 4; the filtering and sterilizing module 4 is not only used for filtering air, but also can sterilize and disinfect the filtering material and the air passing through, so that the quality of the filtered air is better, and viruses carried in the air are prevented from being inhaled by people. The filtering material 300 is located at the air outlet side of the filtering and disinfecting module 4, and the disinfecting light source 301 is located at the air inlet side of the filtering and disinfecting module 4, so that the disinfecting light source 301 can not only disinfect the filtered air, but also disinfect and disinfect the filtering material 300, and therefore the filtering material 300 can be reused.

When the resources are sufficient, the filter medium 300 may be a conventional face mask or a cotton sheet for a respiratory filter (e.g., cotton, nonwoven fabric, meltblown fabric, HEPA, activated carbon, etc.); when resources are insufficient or in emergency, people can adopt self-made materials such as paper towels, clean cloth and the like to replace cotton sheets; the disinfection light source 301 can be an ultraviolet lamp, and can effectively disinfect the filter material 300 and the filtered air.

And air supply modules 2 are further arranged between two adjacent filtering and sterilizing modules 4 or at one end or/and two ends of a plurality of filtering and sterilizing modules 4, and a drainage fan 201 is arranged in each air supply module 2. Air supply module 2 and a plurality of filtration disinfection module 4 wholly are cylindricly after range upon range of installation, air supply module 2 mainly used is to the air drainage, and drainage fan 201 is current drainage fan's direct use, through installation drainage fan 201, effectively increases the flow rate of air, and resistance when reducing the air flow makes the air faster through the speed of filtration disinfection module 4 to can guarantee people normally breathe when making modularization air filter equipment use on being used for the face guard.

As shown in fig. 3 and 4, the multi-stage connection expansion mechanism 1 includes a mounting member 100, a base 101 is fixedly mounted at one end of the mounting member 100, and an adjustable pressing block 102 is mounted at the other end of the mounting member 100; the air supply module 2 and the plurality of filtering and sterilizing modules 4 are jointly pressed and fixed between the base 101 and the pressing block 102.

The mounting piece 100 is in a strip shape, and the air supply module 2 and the plurality of filtering and sterilizing modules 4 are sequentially overlapped and mounted along the axial direction of the mounting piece 100; the shape of the base 101 is the same as the shape of the side face of the filtering and disinfecting module 4, so that when the air supply module 2 and the filtering and disinfecting modules 4 are installed, the filtering and disinfecting modules 4 can be tightly abutted to the base 101, and the air supply module 2 and the filtering and disinfecting modules 4 are more stably installed.

The pressing block 102 can move and be adjusted along the axial direction of the mounting piece 100, so that the distance between the base 101 and the pressing block 102 can be adjusted, when the filtering and sterilizing device is used, the number of the filtering and sterilizing modules 4 can be adjusted at will according to the use condition, and when the number of the filtering and sterilizing modules 4 is changed, the air supply module 2 and the filtering and sterilizing modules 4 can still be pressed and fixed between the base 101 and the pressing block 102, so that the air supply module 2 and the filtering and sterilizing modules 4 are assembled into a modularization together.

A screw 103 extending along the axial direction of the mounting piece 100 is mounted at one end of the mounting piece 100 away from the base 101, so that the screw 103 and the base 101 are respectively positioned at two ends of the mounting piece 100; the compression block 102 is sleeved on the screw 103, and the extending end of the screw 103 is also provided with a lock nut 104; the pressing block 102 is provided with a mounting hole matched with the screw 103, the pressing block 102 is sleeved on the screw 103 through the mounting hole, and when the air supply module 2 and the plurality of filtering and sterilizing modules 4 are mounted on the mounting part 100, the locking nut 104 can be screwed to enable the pressing block 102 to gradually support the air supply module 2 tightly, and finally the air supply module 2 and the plurality of filtering and sterilizing modules 4 are jointly pressed and fixed to form a module group.

The width of the upper end of the mounting part 100 is less than the maximum width of the mounting part 100; the base 101, the air supply module 2 and the plurality of filtering and disinfecting modules 4 are all provided with fixed blocks 5, and the fixed blocks 5 are all provided with clamping grooves 6 matched with the mounting pieces 100; the cross section of the mounting piece 100 can be trapezoid, polygon, ┸ shape and the like, so that after the fixing block 5 is clamped on the mounting piece 100, the fixing block 5 cannot directly fall off from the mounting piece 100, and the mounting of the filtering and sterilizing module 4 and the air supply module 2 is more stable; the clamping groove 6 is positioned at the top of the fixed block 5, the opening width of the clamping groove 6 is smaller than the width of the bottom of the clamping groove 6, and two ends of the clamping groove 6 penetrate through two side faces of the fixed block 5 respectively; when the base 101, the air supply module 2 and the plurality of filtering and sterilizing modules 4 need to be installed, the clamping groove 6 on the fixing block 5 is matched with the installation piece 100, so that the fixing block 5 is clamped into the installation piece 100 from one end, close to the screw 103, of the installation piece 100, and the base 101, the air supply module 2 and the plurality of filtering and sterilizing modules 4 are installed on the installation piece 100; when the friction between the clamping groove 6 and the mounting piece 100 is large, the fixing block 5 and the mounting piece 100 are clamped tightly, and at the moment, a limiting structure is not arranged at one end of the mounting piece 100 far away from the screw 103; when the friction between draw-in groove 6 and installed part 100 is less, fixed block 5 can slide at will on installed part 100, at this moment, in order to prevent that base 101 from droing from installed part 100, can keep away from a limiting plate of one end fixed mounting of screw rod 103 at installed part 100, make base 101 install back on installed part 100, the limiting plate can carry on spacingly to base 101, thereby make lock nut 104 when compressing tightly air supply module 2, base 101, filter and disinfection module 4 and air supply module 2 can compress tightly jointly and install on installed part 100, make air supply module 2 and a plurality of filter and disinfection module 4 form the modularization.

As shown in fig. 5, the filter sterilization module 4 and the air supply module 2 each include a housing 200; the housing 200 includes an outer cylinder 2001, front caps 2002 and caps 2003 installed at both ends of the outer cylinder 2001; an air inlet hole 2004 is formed in the front cover 2002, and an air outlet hole 2005 is formed in the cap 2003. The outer cylinder 2001 is cylindrical, and the cap 2003 is connected with the outer cylinder 2001, so that the filter material 300 and the drainage fan 201 are more convenient to mount and dismount; the air inlet hole 2004 is located at the center of the front cover 2002, and the air outlet hole 2005 is located at the center of the cap 2003, so that the air inlet hole 2004 corresponds to the air outlet hole 2005, and air circulation is facilitated.

The front cover 2002 is in a cap shape, and the front cover 2002 is fixedly covered on the outer cylinder 2001; the inner surface of the front cover 2002 is also provided with a spacer ring 212, the distance between the spacer ring 212 and the edge of the front cover 2002 is matched with the thickness of the outer cylinder 2001, when the front cover 2002 is installed on the outer cylinder 2001, the end part of the outer cylinder 2001 is inserted between the spacer ring 212 and the edge of the front cover 2002, and a sealing structure is formed between the front cover 2002 and the outer cylinder 2001, so that air is effectively prevented from entering from a gap between the front cover 2002 and the outer cylinder 2001; meanwhile, in order to improve the sealing performance between the front cover 2002 and the outer cylinder 2001, a sealing ring 204 may be further installed on the inner wall of the isolation ring 212 or the inner edge of the front cover 2002 or the air inlet end of the outer cylinder 2001.

The inner wall of the outer cylinder 2001 is also provided with a spacer ring 202, the disinfection light source 301 and the drainage fan 201 are both arranged between the front cover 2002 and the spacer ring 202, and the filter material 300 is arranged between the spacer ring 202 and the cap cover 2003; the spacer ring 202 is located the middle part of the outer cylinder 2001, and the spacer ring 202 and the outer cylinder 2001 are of an integrated structure, and by arranging the spacer ring 202, the filter material 300 can be supported around when the filter material 300 is installed, so that the filter material 300 can be more conveniently installed while the filter material 300 is ensured to be filtered.

The filter material 300 is positioned at the air outlet end of the outer cylinder 2001, and the disinfection light source 301 is positioned at the air inlet side of the outer cylinder 2001; in order to ensure that the disinfection light source 301 has a better disinfection effect on the filter material, the circuit board can be arranged into a circular ring shape, a plurality of disinfection lamps are uniformly arranged at intervals along the circumferential direction of the circuit board and are inclined towards the center of the filter material, so that when the disinfection lamps are turned on, the disinfection lamps can directly irradiate on the filter material 300, and the filter material 300 is disinfected and sterilized more thoroughly; when the disinfection lamp disinfects and sterilizes the filter material 300, the disinfection lamp can disinfect and sterilize the air simultaneously when the air enters the irradiation range of the disinfection lamp.

Disinfection light source 301 and drainage fan 201 all through screw fixed mounting on spacer ring 202, in order to prevent that drainage fan 201 and disinfection light source 301 can cause the shutoff to the hole of spacer ring 202, can install nut post 213 on spacer ring 202, the lower extreme that makes the screw of fixed disinfection light source 301 and drainage fan 201 can directly be screwed up to nut post 213 in, finally make disinfection light source 301 and drainage fan 201 after the installation, certain clearance has between disinfection light source 301 and drainage fan 201 and the spacer ring 202 hole, it is more convenient to make the flow of air.

When the spacer ring 202 is installed in the outer cylinder 2001 and the front cover 2002 is covered on the outer cylinder 2001, the nut column 213 for fixing the front cover 2002 can be installed on the spacer ring 202, so that after the front cover 2002 is covered on the outer cylinder 2001, the front cover 2002 can be fixed by using a screw, and the lower end of the screw for fixing the front cover 2002 can be screwed into the corresponding nut column 213, thereby ensuring that the front cover 2002 is installed more stably.

A rear cover connector 203 is further installed between the spacer ring 202 and the cap cover 2003, and a sealing ring 204 is further installed between the rear cover connector 203 and the cap cover 2003; a round hole corresponding to the air outlet hole 2005 is formed in the rear cover connector 203, so that air can smoothly pass through the rear cover connector 203 after passing through the air inlet hole 2004, and the rear cover connector 203 is prevented from blocking the air flow; the sealing ring 204 is made of rubber, a sealing ring is arranged between the rear cover connector 203 and the cap 2003, so that after the cap 2003 is screwed onto the outer cylinder 2001, the inner surface of the cap 2003 is tightly pressed and sealed with the upper surface of the sealing ring 204, the upper surface of the rear cover connector 203 is tightly pressed and sealed with the lower surface of the sealing ring 204, and finally a sealing structure is formed between the cap 2003 and the rear cover connector 203, so that after the cap 2003 is screwed and fixed, outside air cannot enter the outer cylinder 2001 through the periphery of the cap 2003; the rear cover connector 203 is mainly used for connecting two adjacent filter sterilization modules 4 or connecting the filter sterilization modules 4 with the air supply module 2.

The rear cover connector 203 is also provided with a connecting pipe 205, and the connecting pipe 205 penetrates through the cap 2003 and extends outwards; the outer diameter of the connecting pipe 205 is matched with the aperture of the air outlet 2005 in the cap 2003, so that when two adjacent filter disinfection modules 4 or filter disinfection modules 4 and air supply modules 2 are stacked, the connecting pipe 205 in the previous filter disinfection module 4 can be inserted into the air outlet 2005 in the next filter disinfection module 4 or the next air supply module 2, so that the two adjacent filter disinfection modules 4 or the filter disinfection modules 4 and the air supply modules 2 are hermetically connected, and air is prevented from entering randomly.

A sleeve 302 is also arranged in the outer cylinder 2001 of the filtering and disinfecting module 4; the sleeve 302 is internally provided with a grid 303, and the filter material 300 is positioned between the grid 303 and the spacer ring 202; also mounted within the sleeve 302 is a compression ring 304 that compresses the filter media 300.

The outer diameter of the sleeve 302 is in clearance fit with the inner diameter of the outer cylinder 2001, and the spacer ring 202 can support one end of the sleeve 302, so that one end of the sleeve 302 can be tightly propped against the spacer ring 202; the grating 303 and the sleeve 302 are of an integral structure, so that after the sleeve 302 is arranged in the outer cylinder 2001, the sleeve 302 can keep normal ventilation; the rear cover connector 203 is located between the cap 2003 and the grid 303, so that when the rear cover connector 203 is installed, the rear cover connector 203 can be tightly pressed through the grid 303, and after the cap 2003 is screwed down, the rear cover connector 203 can be tightly pressed between the cap 2003 and the grid 303, so that the installation of the rear cover connector 203 is more stable.

The outer diameter of the clamp ring 304 is matched with the inner diameter of the sleeve 302, when the filter medium 300 is placed on the grid 303, the clamp ring 304 is sleeved in the sleeve 302, so that one end of the clamp ring 304 clamps the filter medium 300, when the cap 2003 is tightened, the other end of the clamp ring 304 abuts against the spacer ring 202, and finally the filter medium 300 is clamped and fixed.

The compression ring 304 is in threaded connection with the sleeve 302; the outer wall of the clamp ring 304 is provided with external threads, the inner wall of the sleeve 302 is provided with internal threads, and through the matching of the external threads and the internal threads, when the clamp ring 304 is gradually screwed down, the clamp ring 304 can gradually move towards the grating 303, so that the filter material 300 is gradually pressed, and the filter material 300 is fixedly installed; when the filter medium 300 needs to be replaced, the clamp ring 304 can be screwed reversely, so that the clamp ring 304 is gradually away from the grid 303, and the clamp ring 304 is gradually removed from the sleeve 302, thereby facilitating the replacement of the filter medium 300.

One or more of the filtering and disinfecting modules 4 are also provided with an ozone removing filter material 305, and the ozone removing filter material 305 is arranged between the filter layer 300 and the grid 303, so that the pressing ring 304 can press the ozone removing filter layer while pressing the filter material 300, and the fixed installation of the ozone removing filter layer is realized; the filler of the ozone removing filter material 305 is activated carbon, which can filter air, effectively adsorb particulate matters, smell, ozone and the like in the air, and make the air breathed by people cleaner. When the activated carbon is insufficient, the ozone removing filter material 305 may further use one or more of magnesium oxide, aluminum oxide, ferroferric oxide, zinc oxide, and copper oxide.

As shown in fig. 6, an inner cylinder 209 is further installed in the outer cylinder 2001 of the air supply module 2, a plurality of vent holes 210 are formed at the bottom of the inner cylinder 209, and a drainage fan 201 is fixedly installed in the inner cylinder 209; the central axis of the inner cylinder 209 and the central axis of the outer cylinder 2001 are on the same straight line, so that the central axis of the inner cylinder 209 and the central axis of the air inlet hole 2004 are on the same straight line; the drainage fan 201 is located in the center of the inner cylinder 209, so that in order to facilitate installation of the drainage fan 201, the vent holes 210 and the installation position of the drainage fan 201 can be staggered, that is, the vent holes 210 are uniformly distributed at intervals in the circumferential direction of the drainage fan 201, so that air can rapidly pass through the air inlet holes 2004 and the vent holes 210 through drainage of the drainage fan 201 and finally be discharged through the air outlet holes 2005 in the cap 2003; through the drainage of drainage fan 201, effectively make the velocity of flow of air bigger to effectively compensate respiratory resistance.

The outer wall of the inner cylinder 209 is provided with a support lug 211, the support lug 211 is tightly pressed between the spacing ring 202 and the front cover 2002, and the middle part of the inner cylinder 209 is clamped in the spacing ring 202; the support lug 211 is positioned at the bottom of the inner cylinder 209, and the support lug 211 and the inner cylinder 209 are integrally fixed; in order to fix the support lug 211 conveniently, a nut column 213 corresponding to the support lug 211 can be installed on the spacer ring 202, and the support lug 211 is fixed on the nut column 213 by using a screw, so that the bottom of the inner cylinder 209 is fixedly installed; the middle part of the inner cylinder 209 is clamped in the spacer ring 202, so that the middle part of the inner cylinder 209 can be limited through the spacer ring 202, the inner cylinder 209 is effectively prevented from shaking in the outer cylinder 2001, the inner cylinder 209 is more stably installed, and the drainage fan 201 is more stably installed.

The multistage connection expansion mechanism 1 is also provided with a plurality of power supply transmission pins 105, and the air supply module 2 and the plurality of filtering and sterilizing modules 4 are respectively provided with an electric power receiving transmission pin 7 corresponding to the power supply transmission pins 105; the multi-stage connection expansion mechanism 1 is also internally provided with a storage battery 106 and a main board 107, and the storage battery 106 is electrically connected with the main board 107; the multi-stage connection extension mechanism 1 is further provided with an extension connection pin 108, a switch 109 and a plurality of indicator lights 110, and the output end of the main board 107 is electrically connected with the extension connection pin 108, the switch 109, the plurality of indicator lights 110 and the plurality of power transmission pins 105 respectively.

The power receiving transmission pins 7 on the filtering and disinfecting module 4 are electrically connected with the disinfecting light source 301, and the power receiving transmission pins 7 on the air supply module 2 are electrically connected with the drainage fan 201; the number of the power supply transmission pins 105 on the multistage connection expansion mechanism 1 is equal to the total number of the filtering and sterilizing module 4 and the air supply module 2, and the power supply transmission pins 105 are embedded on the lower surface of the mounting piece 100; the power receiving transmission pin 7 is located on the fixed block 5, the power receiving transmission pin 7 is embedded at the groove bottom of the clamping groove 6, the distance between two adjacent power supply transmission pins 105 is equal to the distance between two adjacent power receiving transmission pins 7 after the two adjacent power supply transmission pins are stacked with the plurality of filtering and sterilizing modules 4, the filtering and sterilizing modules 4 and the air supply module 2 are installed on the installation part 100, the power receiving transmission pins 7 on the fixed block 5 are in contact with the power supply transmission pins 105 on the installation part 100, and therefore the power supply transmission pins 105 and the power receiving transmission pins 7 are electrically connected.

The mounting piece 100 is further provided with a box body 1, the storage battery 106 and the main board 107 are both mounted on the box body 1, and the expansion connecting pin 108, the switch 109 and the plurality of indicator lamps 110 are all embedded on the outer wall of the box body 1; battery 106 passes through mainboard 107 respectively with switch 109, pilot lamp 110, drainage fan 201, disinfection light source 301 supplies power, and disinfection light source 301's input, the relay is all installed to drainage fan 201's input and a plurality of pilot lamp 110's input, when needs are to disinfection light source 301, when drainage fan 201 and pilot lamp 110 control, through trigger switch 109, make mainboard 107 send control signal to the relay that relay or the relay that drainage fan 201 that the relay that the disinfection light source 301 corresponds that pilot lamp 110 corresponds correspond or drainage fan 201, make the relay operation that corresponds, thereby realize pilot lamp 110, disinfection light source 301, drainage fan 201's control.

The extended connection pin 108 is mainly used for connecting with an external charging device, and when the storage battery 106 needs to be charged, the extended connection pin 108 is electrically connected with a connection pin of the external charging device. The model of the mainboard 107 is MSP430FR2633 IDA.

When the invention is required to be used, the lock nut 104 is far away from the mounting piece 100 by screwing the lock nut 104, and when the lock nut 104 moves to a moving position, the pressing block 102 is shifted to make the pressing block 102 far away from the mounting piece 100; at this time, the fixing blocks 5 on the plurality of filtering and sterilizing modules 4 and the air supply module 2 are sequentially clamped on the mounting pieces 100 by the clamping grooves 6 on the fixing blocks 5 corresponding to the mounting pieces 100. When a plurality of filtering and sterilizing modules 4 are installed, the connecting pipe 205 on the next filtering and sterilizing module 4 is inserted into the air outlet 2005 on the previous filtering and sterilizing module 4; when the air supply module 2 is installed, the connection pipe 205 of the air supply module 2 is inserted into the air outlet 2005 of the previous filter sterilization module 4.

After the filtering and sterilizing module 4 and the air supply module 2 are installed on the installation part 100, the pressing block 102 is firstly pushed to be attached to the air supply module 2, then the locking nut 104 is screwed, so that the locking nut 104 gradually presses the locking block, and finally, the plurality of filtering and sterilizing modules 4 and the air supply module 2 are fixed, and finally, the modular installation is realized.

Finally, when the disinfection device is used, the main board 107 sends an instruction to the relay corresponding to the disinfection light source 301 and the relay corresponding to the drainage fan 201 by pressing the switch 109, and finally the disinfection light source 301 and the drainage fan 201 are both electrified with the main board 107, so that the disinfection light source 301 and the drainage fan 201 start to work, at the moment, air firstly enters through the air inlet 2004 of the first filtration and disinfection module 4, and then sequentially enters the rear cover connector 203 through the disinfection light source 301, the compression ring 304, the filtration material 300 and the grating 303, and enters the outer cylinder 2001 of the next filtration and disinfection module 4 through the connecting pipe 205, so that the air repeatedly passes through the plurality of filtration and disinfection modules 4.

When air passes through the connecting pipe 205 of one filter sterilization module 4 and enters the outer cylinder 2001 with the ozone removing filter material 305, the air passes through the sterilization light source 301, the clamp ring 304, the ozone removing filter material 305, the filter material 300 and the grating 303 in sequence, enters the rear cover connector 203, enters the outer cylinder 2001 of the next filter sterilization module 4 or the air supply module 2 through the connecting pipe 205, and after the air enters the air supply module 2, the air is drained through the air outlet 2005 of the air supply module 2 by the drainage fan 201.

When the invention needs to be charged, the extension connection pin 108 on the multi-stage connection extension mechanism 1 is only needed to be connected with an external charging device, so that the storage battery 106 is charged.

When ordinary filter media resource can't obtain, can use the self-control filter media to replace the filter media, through a plurality of filtration disinfection module 4's overlapping, thereby improve the filtration grade, and make the air homoenergetic when each filters disinfection module 4 realize filtering and disinfecting, and can effectively compensate respiratory resistance through installation air supply module 2, be that people can utilize the material preparation filter media by oneself when ordinary filter media is in short supply, provide corresponding protection for self.

Example 2

The present embodiment 2 differs from embodiment 1 in that:

as shown in fig. 7 and 8, the present embodiment provides a modular air filtering apparatus, wherein the front cover 2002 is further provided with a cannula 206 corresponding to the connecting tube 205; the external diameter and the connecting pipe 205 aperture cooperation of intubate 206, in order to make the sealing performance between intubate 206 and the connecting pipe 205 better, the internal thread has been seted up on the inner wall of intubate 206, and set up on the outer wall of connecting pipe 205 with external screw-thread fit's internal thread, can not only make the connection of two adjacent filtration disinfection modules 4 or the connection of filtration disinfection module 4 and air supply module 2 more firm, and make between two adjacent filtration disinfection modules 4 or the leakproofness between filtration disinfection module 4 and the air supply module 2 better.

When the plurality of filter sterilization modules 4 and the air supply module 2 are stacked, the insertion tube 206 of the succeeding filter sterilization module 4 is inserted into the connection tube 205 of the preceding filter sterilization module 4, and the insertion tube 206 of the air supply module 2 is inserted into the connection tube 205 of the filter sterilization module 4.

When the modular air filtering device in this embodiment is installed, the plurality of filtering and sterilizing modules 4 and the air supply module 2 are sequentially connected and fixed, and are installed on the installation member 100 after being connected and fixed.

Example 3

As shown in fig. 9 and 10, in this embodiment 3, a modular air filtering apparatus is provided on the basis of embodiment 2, a plurality of "l" type clamping pieces 214 are further installed inside the connecting pipe 205, and a gap 207 is formed between two adjacent clamping pieces 214; the cannula 206 is provided with a fixture block 208 matched with the notch 207; the horizontal part of the clip piece 214 is close to the outlet end of the connecting pipe 205; the number of the latch 208 is equal to the number of the notch 207, and the shape of the notch 207 may be rectangular, fan-shaped, etc.

When a plurality of filtering and disinfecting modules 4 and the air supply module 2 are installed in a stacked mode, the fixture block 208 on the subsequent filtering and disinfecting module 4 corresponds to the notch 207 of the previous filtering and disinfecting module 4, the insertion tube 206 of the subsequent filtering and disinfecting module 4 is inserted into the connecting tube 205 of the previous filtering and disinfecting module 4, the last two filtering and disinfecting modules 4 rotate relatively, the two adjacent filtering and disinfecting modules 4 are locked and fixed, and the subsequent filtering and disinfecting module 4 and the air supply module 2 are fixed in the same mode.

Example 4

As shown in fig. 11, this embodiment 4 provides a mask based on embodiment 1, embodiment 2 or embodiment 3, which includes a mask body 8 and at least one of the above-mentioned modular air filtering devices, and the mask body 8 is connected to the air supply modules 2 in a plurality of modular air filtering devices; the mask body is also provided with a one-way valve 9; the mask body 8 is directly used by the existing mask body 8, and the one-way valve 9 is directly used by the one-way valve 9 on the existing mask body 8; to facilitate the connection of the modular air filtration system to the mask body 8, a connector can be mounted on the mask body 8, and a hose 10 can be mounted on the connector, and the other end of the hose 10 can be directly inserted into the connector 205.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and variations of the present invention may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a modularization air filter which characterized in that, includes multi-stage connection extension mechanism (1), and the overlapping is in proper order installed on multi-stage connection extension mechanism (1) and is had a plurality of filtration disinfection modules (4), and all installs filtration material (300) and disinfection light source (301) in a plurality of filtration disinfection modules.

2. The modular air filtering device according to claim 1, characterized in that an air supply module (2) is further installed between two adjacent filtering and sterilizing modules (4) or at one end or/and both ends of a plurality of filtering and sterilizing modules (4), and a drainage fan (201) is installed in the air supply module (2).

3. The modular air filtration unit according to claim 2, wherein the multi-stage connection expansion mechanism (1) comprises a mounting member (100), one end of the mounting member (100) is fixedly provided with a base (101), and the other end of the mounting member (100) is provided with an adjustable compression block (102); the air supply module (2) and the plurality of filtering and disinfecting modules (4) are jointly pressed and fixed between the base (101) and the pressing block (102); furthermore, a screw rod (103) extending along the axial direction of the mounting piece (100) is fixedly mounted at one end of the mounting piece (100) far away from the base (101); the compression block (102) is sleeved on the screw rod (103), and a locking nut (104) is further installed at the extending end of the screw rod (103); further, the width of the upper end of the mounting piece (100) is smaller than the maximum width of the mounting piece (100); all install fixed block (5) on base (101), air supply module (2) and a plurality of filtration disinfection module (4), and all offer on fixed block (5) with installed part (100) complex draw-in groove (6).

4. Modular air filtering device according to claim 2, characterized in that said filtering and sterilizing module (4) and said air supply module (2) each comprise a housing (200); the housing (200) comprises an outer cylinder (2001), a front cover (2002) and a cap (2003) which are arranged at two ends of the outer cylinder (200); an air inlet hole (2004) is formed in the front cover (2002), and an air outlet hole (2005) is formed in the cap (2003); furthermore, a spacer ring (202) is further installed on the inner wall of the outer cylinder body (200), the disinfection light source (301) and the drainage fan (201) are both installed between the front cover (2002) and the spacer ring (202), and the filter medium (300) is installed between the spacer ring (202) and the cap cover (2003).

5. The modular air filtration unit according to claim 4, wherein a rear cover connector (203) is further mounted between the spacer ring (202) and the cap (2003), and a sealing ring (204) is further mounted between the rear cover connector (203) and the cap (2003); furthermore, the rear cover connector (203) is also provided with a connecting pipe (205), and the connecting pipe (205) penetrates through the cap cover (2003) and extends outwards.

6. The modular air filtration device according to claim 5, wherein the front cover (2002) further has a cannula (206) mounted thereon corresponding to the connection tube (205); furthermore, a plurality of L-shaped clamping pieces are uniformly distributed in the circumferential direction at intervals in the connecting pipe (205), and a gap is formed between every two adjacent clamping pieces; the cannula (206) is provided with a fixture block (208) matched with the notch (207).

7. A modular air filtration device according to claim 4, wherein a sleeve (302) is also mounted inside the outer cylinder (2001) of the filtration and disinfection module (4); the sleeve (302) is internally provided with a grid (303), and the filtering material (300) is positioned between the grid (303) and the spacer ring (202); a compression ring (304) for compressing the filter medium (300) is also arranged in the sleeve (302); further, the compression ring (304) is in threaded connection with the sleeve (302); furthermore, one or more of the filtering and disinfecting modules (4) are also provided with an ozone removing filter material (305), and the ozone removing filter material (305) is arranged between the filter layer (300) and the grating (303).

8. The modular air filtering device as claimed in claim 4, wherein an inner cylinder (209) is further installed in the outer cylinder (2001) of the air supply module (2), a plurality of vent holes (210) are formed in the bottom of the inner cylinder (209), and the draught fan (201) is fixedly installed in the inner cylinder (209); furthermore, the outer wall of the inner cylinder (209) is provided with a support lug (211), the support lug (211) is tightly pressed between the spacing ring (202) and the front cover (2002), and the middle part of the inner cylinder (209) is clamped in the spacing ring (202).

9. The modular air filtering device according to claim 1, wherein the multi-stage connection expansion mechanism (1) is further provided with a plurality of power supply transmission pins (105), and the air supply module (2) and the plurality of filtering and disinfecting modules (4) are respectively provided with power receiving transmission pins (7) corresponding to the power supply transmission pins (105); a storage battery (106) and a main board (107) are further installed in the multi-stage connection expansion mechanism (1), and the storage battery (106) is electrically connected with the main board (107); the multi-stage connection expansion mechanism (1) is further provided with an expansion connection pin (108), a switch (109) and a plurality of indicator lamps (110), and the output end of the main board (107) is electrically connected with the expansion connection pin (108), the switch (109), the indicator lamps (109) and the power supply transmission pins (105) respectively.

10. A mask comprising a mask body (9) and a modular air filtration unit of any one of claims 1 to 9; at least one modular air filtering device is arranged, and the mask main body (9) is connected with the air supply modules (2) in the modular air filtering devices; the mask body (9) is also provided with a one-way valve (10).