CN208852277U - Novel breath purifying device and Novel respirator - Google Patents

Abstract

The utility model provides a kind of novel breath purifying device and Novel respirator, is related to dust-proof appliance technology, the novel breath purifying device, including blower unit, soaking device, centrifugal device and ventilation pipe；The outlet of blower unit and the inlet communication of ventilation pipe, centrifugal device are arranged in ventilation pipe, and soaking device is arranged between blower unit and centrifugal device, and the outlet of ventilation pipe is connected to the inner cavity of mask；Soaking device and centrifugal device are successively passed through by the air that the outlet of blower unit is sent out, and flow to the inner cavity of mask by ventilation pipe；Soaking device includes Venturi tube and water tank, Venturi tube is connected to by suction hose with water tank, Venturi tube is capable of forming subnormal ambient, so that the water in water tank enters Venturi tube by suction hose, and then the air in Venturi tube is bedewed, it alleviates in the prior art for the technical problems such as the opposite shortcoming of the apparatus function of breath purifying, incomplete.

Description

Novel breath purifying device and Novel respirator

Technical field

The utility model relates to dust-proof appliance technology more particularly to a kind of novel breath purifying device and novel exhale Haustorium.

Background technique

When in the more serious space of the similar air pollution such as factory, region, staff needs to wear dust-proof It is infected to reduce staff to guarantee that the plurality of impurities such as the dust in environment, flue dust can not invade human respiratory tract for mask Probability guarantees the personal safety of staff.Therefore, anti-dust mask, gas mask etc. are a variety of for protecting staff to breathe The apparatus demand in road is very big, in order to be better achieved, guarantee the personal safety to staff, to anti-dust mask, gas mask Deng structural behaviour and using function etc. it is more demanding.For example, these are used for dust-proof anti-dust mask, gas mask etc. not only Good dust-proof, gas defence energy supply is needed to have, while also needing to have good venting capability, is guaranteed in barrier ambient enviroment While pollutant, it is also necessary to ensure wearer smooth breathing, be not in that breathing oppressiveness etc. is influenced when long-time is worn.

But used mask in actual use, generally all with following paradoxes: when mask venting capability compared with When good, the ability of filtering contaminants opposite will die down, and then a part of contaminant particle is caused to enter human body by mask Respiratory system；When the strainability of mask and higher filter efficiency, the venting capability of corresponding mask can then be reduced, into And wearer is caused to have difficulty in breathing, there are a variety of unfavorable performances such as unsmooth breath, oppressiveness.

Utility model content

The first of the utility model is designed to provide a kind of novel breath purifying device, is used in the prior art with alleviating The technical problems such as the opposite shortcoming of the apparatus function of breath purifying, incomplete.

To achieve the goals above, the utility model uses following technical scheme:

A kind of novel breath purifying device provided by the utility model, including blower unit, soaking device, centrifugal device and Ventilation pipe；

The outlet of the blower unit and the inlet communication of the ventilation pipe, the centrifugal device are arranged in the ventilation In pipeline, the soaking device is arranged between the blower unit and the centrifugal device, the outlet of the ventilation pipe with The inner cavity of mask is connected to；

The soaking device and the centrifugal device are successively passed through by the air that the outlet of the blower unit is sent out, and led to Cross the inner cavity that the ventilation pipe flows to mask；

The soaking device includes Venturi tube and water tank, and the Venturi tube is connected to by suction hose with the water tank, The Venturi tube forms subnormal ambient, so that the water in the water tank enters the Venturi tube by the suction hose, into And bedew the air in the Venturi tube.

Further, the centrifugal device includes spinning disk；

The exit of the Venturi tube is arranged in the spinning disk；

The rotation of spinning disk described in the air push soaked through the Venturi tube generates centrifugal force, and centrifugal force makes in air Particle be detached from, and be attached on the inner wall of the ventilation pipe.

Further, the blower unit is set as blower；

The import of the blower is in communication with the outside, and the outlet of the blower is connected to the ventilation pipe；

Extraneous air is introduced into the ventilation pipe from the import of the blower by by-pass filtration.

Further, the by-pass filtration uses gross porosity filter membrane.

It further, further include cabinet；

The blower and the water tank are arranged in the cabinet；

The ventilation pipe includes snorkel and the air passage that is arranged on the cabinet, one end of the snorkel and institute Air passage connection is stated, the other end is connected to the inner cavity of mask；The Venturi tube is arranged in the air passage, the spinning disk The junction of the snorkel and the air passage is set, and the air outlet of the blower is connected to the air inlet of the air passage.

It further, further include controller and battery；

The controller and blower electrical connection, for the battery for providing power supply, the battery passes through the control Device and blower electrical connection.

The second of the utility model is designed to provide a kind of Novel respirator, logical to alleviate respiratory in the prior art Gas performance is lower, and the technical problems such as function is incomplete.

The utility model also provides a kind of Novel respirator, further includes mask including above-mentioned novel breath purifying device；

The mask successively includes internal filtration layer and outer filter layer, the internal filtration layer and the outer filter layer from the inside to the outside Between form inner cavity, the outlet of the inner cavity and the ventilation pipe；

The inner cavity is entered by the air that the ventilation pipe introduces, by the internal filtration layer for artificially breathing；Outside The air on boundary can also enter the inner cavity by the outer filter layer, through the internal filtration layer for artificially breathing；Artificially exhale Can the mask successively be discharged by the internal filtration layer and the outer filter layer in the air of suction.

Further, the internal filtration layer is made of nucleopore membrane material；

The outer filter layer is made of gross porosity filter membrane material.

Further, catalysis filter material layer is additionally provided between the internal filtration layer and the outer filter layer.

Further, the gross porosity filter membrane uses sponge or cloth with holes.

The utility model has the following beneficial effects:

A kind of novel breath purifying device provided by the utility model, including blower unit, soaking device, centrifugal device and Ventilation pipe；The outlet of blower unit and the inlet communication of ventilation pipe, centrifugal device are arranged in ventilation pipe, soaking device It is arranged between blower unit and centrifugal device, the outlet of ventilation pipe is connected to the inner cavity of mask；By the outlet of blower unit The air of submitting successively passes through soaking device and centrifugal device, and the inner cavity of mask is flowed to by ventilation pipe；Soaking device packet Venturi tube and water tank are included, Venturi tube is connected to by suction hose with water tank, and Venturi tube forms subnormal ambient, so that in water tank Water Venturi tube is entered by suction hose, and then bedew the air in Venturi tube；The air introduced by blower unit and leaching The steam mixing that wet device generates, increases the wettability of air, while certain pollutants are condensed under the action of moisture Graininess；Air after wet flows to centrifugal device, pushes centrifugal device rotation, and the rotation of centrifugal device can generate centrifugation Power, and then air is rotated, the particulate material mixed in air is adsorbed on the interior of ventilation pipe under the influence of centrifugal force On wall；Pass through the inner cavity that ventilation pipe flows to mask again by the air of centrifugal device；Entire novel respiration filtering device structure Relatively simple, filter type is simple, easily fabricated, and integral filter works well, and guarantees wearer's personal safety, reduces extraneous Injury of the pollutants in air to human body, while it is relatively inadequate to improve used breath purifying apparatus function in the prior art Perfect problem.

The utility model also provides a kind of Novel respirator, further includes mask including above-mentioned novel breath purifying device； Mask successively includes internal filtration layer and outer filter layer from the inside to the outside；Form inner cavity between internal filtration layer and outer filter layer, inner cavity with The outlet of ventilation pipe；Inner cavity is entered by the air that ventilation pipe introduces, by internal filtration layer for artificially breathing；It is extraneous Air can also enter inner cavity by outer filter layer, through internal filtration layer for artificially breathing；The air artificially breathed can be according to It is secondary that mask is discharged by internal filtration layer and outer filter layer；The interaction of inner air and outer air is realized by above-mentioned Novel respirator, is protected While having demonstrate,proved the mask good air circulation, there is multi-filtering effect again to the air of sucking, and then ensure to wear Person being capable of the good air of respiratory tract, it is ensured that the respiratory tract health of wearer and personal safety.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the schematic diagram for the novel breath purifying device that embodiment one provides；

Fig. 2 is the cross-sectional view for the centrifugal device that embodiment one provides；

Fig. 3 is the schematic diagram for the Novel respirator that embodiment two provides；

Fig. 4 is the schematic diagram for the mask that embodiment two provides.

Icon: 10- blower；20- Venturi tube；30- spinning disk；40- water tank；50- suction hose；60- central axis；70- case Body；80- snorkel；90- controller；100- battery；110- internal filtration layer；The outer filter layer of 120-；The inner cavity 130-；140- catalysis filter The bed of material；150- frenulum.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

In the description of the present invention, it should be noted that term " first ", " second " are used for description purposes only, and It cannot be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Embodiment one:

As shown in Figs. 1-2, novel breath purifying device provided in this embodiment includes blower unit, soaking device, centrifugation Device and ventilation pipe；The outlet of blower unit and the inlet communication of ventilation pipe, centrifugal device are arranged in ventilation pipe, leaching Wet device is arranged between blower unit and centrifugal device, and the outlet of ventilation pipe is connected to the inner cavity of mask；By blower unit The air sent out of outlet successively pass through soaking device and centrifugal device, and the inner cavity of mask is flowed to by ventilation pipe；It soaks Device includes Venturi tube 20 and water tank 40, and Venturi tube 20 is connected to by suction hose 50 with water tank 40, the formation of Venturi tube 20 Subnormal ambient so that the water in water tank 40 enters Venturi tube 20 by suction hose 50, and then bedews the sky in Venturi tube 20 Gas.

Specifically, the novel breath purifying device includes blower unit, soaking device, centrifugal device and ventilation pipe；Draw The import of wind apparatus and external environment connection, the outlet of blower unit and the inlet communication of ventilation pipe, the outlet of ventilation pipe With the connection of the inner cavity of mask, the air introduced by blower unit enters the inner cavity of mask by ventilation pipe.

Wherein, it is provided with centrifugal device in ventilation pipe, is provided between centrifugal device and blower unit and soaks dress It sets, the exit of blower unit is arranged in soaking device, and soaking device can generate steam and mix with air, so that in air Certain small substances are condensed into fine granularity；The air of adhesional wetting flows to centrifugal device, pushes centrifugal device rotation, centrifugal device Rotation can generate centrifugal force so that flow direction air rotation, and then by the finely ground particle substance in air centrifugal force effect Under separated from air, be attached on the inner wall of ventilation pipe, remaining air flows to the inner cavity of mask by ventilation pipe.

Wherein, soaking device includes Venturi tube 20 and water tank 40, the import of Venturi tube 20 and the outlet of blower unit Connection, the outlet of Venturi tube 20 is connected to centrifugal device, and is connected to ventilation pipe；Venturi tube 20 passes through 50 He of suction hose Water tank 40 is connected to；Venturi tube 20 enables to be formed in the tube a vacuum area by its gas, which has one Fixed adsorptivity, suction hose 50 lead to water tank 40 from vacuum area, and the negative pressure formed in Venturi tube 20 passes through suction hose 50 Water in water tank 40 is drawn to Venturi tube 20, suction hose 50 forms shower, the literary mound of moisture and process of sucking In pipe 20 air mixing, and then soak air, increase the wettability of air, so that certain pollutant collection in air Gather, be condensed into graininess；The particle of formation is deposited on inner wall of the pipe, or with gas flow centrifugal device, and by from The centrifugal force that center device generates is adsorbed on the inner wall of ventilation pipe, and then realizes the first time filtering of outside air.

The air of mask is guided into after above-mentioned filter type by ventilation pipe, in mask it is intracavitary filter again after It can be directly used for artificially breathing, entire novel respiration filtering device structure is relatively simple, and filter type is simple, and it is easily fabricated, and Integral filter works well, and guarantees wearer's personal safety, reduces injury of the pollutant to human body in outside air, improves simultaneously The relatively incomplete problem of breath purifying apparatus function used in the prior art.

In the optional scheme of the present embodiment, as shown in Figs. 1-2, centrifugal device includes spinning disk 30；Spinning disk 30 is arranged In the exit of Venturi tube 20；Through enturi tube 20 rotations of air push spinning disk 30 soaked generate centrifugal force, centrifugal force So that the particle in air is detached from, and it is attached on the inner wall of ventilation pipe.

Specifically, centrifugal device includes multiple spinning disks 30 and central axis 60, week of multiple spinning disks 30 along central axis 60 To uniformly；Spinning disk 30 is flowed to by the air that Venturi tube 20 is soaked, and then spinning disk 30 is pushed to rotate, the spinning disk of rotation 30 cause the air of surrounding to rotate with the rotation direction of spinning disk 30 simultaneously, and the particulate matter in air is produced by spinning disk 30 Centrifugal force effect under be adsorbed on the inner wall of ventilation pipe, and then by air into crossing separation, filtering, lighter weight air it is logical Spinning disk 30 is crossed, and flows to the inner cavity of mask along ventilation pipe.

In the optional scheme of the present embodiment, as shown in Figs. 1-2, blower unit includes blower 10；The import of blower 10 with External world's connection, the outlet of blower 10 is connected to ventilation pipe；Extraneous air is introduced by by-pass filtration from the import of blower 10 Ventilation pipe.

Specifically, blower unit is used to suck air from external environment, blower unit uses blower 10, the import of blower 10 It is in communication with the outside, the import of blower 10 and the inlet communication of ventilation pipe are flowed to by the air that blower 10 enters along ventilation pipe The inner cavity of mask.

Wherein, when introducing air by blower 10, extraneous air is laggard by once filtering in the entrance of blower 10 Enter inside blower 10, i.e., the entrance of blower 10 is provided with the filter device for by-pass filtration, by large particle in air Matter first filters out.

In the optional scheme of the present embodiment, as shown in Figs. 1-2, by-pass filtration uses gross porosity filter membrane.

Specifically, by-pass filtration be used for be directly entered blower 10 air carry out first time filtering, it is general can be first Large particulate matter in air is filtered out, therefore, primary filtering uses gross porosity filter membrane, and gross porosity filter membrane only allows the object of small particle Matter passes through, large-sized to pass through, and then large-sized bulky grain is blocked in the outside of gross porosity filter membrane.

Wherein, gross porosity filter membrane is made of sponge or the cloth with certain pore size；Sponge is a kind of porous material Material.

It further include cabinet 70 as shown in Figs. 1-2 in the optional scheme of the present embodiment；Blower 10 and water tank 40 are respectively provided with In cabinet 70；Ventilation pipe includes snorkel 80 and the air passage that is arranged on cabinet 70, one end of snorkel 80 and ventilation Road connection, the other end are connected to the inner cavity of mask；Venturi tube 20 is arranged in air passage, and spinning disk 30 is arranged in snorkel 80 With the junction of air passage, the outlet of blower 10 and the inlet communication of air passage.

Specifically, further including cabinet 70, blower 10 and water tank 40, which are integrated, to be placed in cabinet 70, by cabinet 70 by wind Machine 10 and water tank 40 are incorporated into a space, realize the compactedness of the structure of the novel breath purifying device.

Wherein, ventilation pipe includes the air passage being arranged on cabinet 70 and the snorkel communicated with the inner cavity of mask 80, The import of snorkel 80 and the outlet of air passage, the outlet of snorkel 80 are connected to the inner cavity of mask, the import of air passage With the outlet of blower 10；Venturi tube 20 is arranged in air passage, is provided in the joint of air passage and snorkel 80 Spinning disk 30.

It further include controller 90 and battery 100 as shown in Figs. 1-2 in the optional scheme of the present embodiment；90 He of controller Blower 10 is electrically connected, and battery 100 is electrically connected for providing power supply, battery 100 by controller 90 and blower 10.

Specifically, further including controller 90 and battery 100, controller 90 and battery 100 are installed in cabinet 70, cabinet 70 realize the compactedness and conformability of structure, increase the order and regularity of structure, easy to carry.

Wherein, controller 90 is electrically connected with blower 10, and battery 100 is electrically connected by controller 90 with blower 10；Controller 90 for controlling the revolving speed of blower 10, and then controls the rate for introducing outside air；Battery 100 is for providing power supply, controller 90 and battery 100 be electrically connected, blower 10 and battery 100 are electrically connected.

Embodiment two:

The present embodiment additionally provides a kind of Novel respirator, as shown in Figure 3-4, fills including above-mentioned novel breath purifying It sets, further includes mask；Mask successively includes internal filtration layer 110 and outer filter layer 120 from the inside to the outside；Internal filtration layer 110 and outer mistake Inner cavity 130, the outlet of inner cavity 130 and ventilation pipe are formed between filtering layer 120；In the air entrance introduced by ventilation pipe Chamber 130, by internal filtration layer 110 for artificially breathing；Extraneous air can also enter inner cavity 130 by outer filter layer 120, Through internal filtration layer 110 for artificially breathing；The air artificially breathed can successively pass through internal filtration layer 110 and outer filter layer 120 Mask is discharged.

Specifically, which includes above-mentioned novel breath purifying device, further includes mask, extraneous air warp Mask is flowed to after crossing above-mentioned novel breath purifying device filtration, purification.

Wherein, mask includes successively from the inside to the outside internal filtration layer 110 and outer filter layer 120, in internal filtration layer 110 and outer mistake An inner cavity 130 is formed between filtering layer 120, the outlet of ventilation pipe is connected to the inner cavity 130.

Wherein, mask inner cavity 130 is entered by ventilation pipe by above-mentioned novel breath purifying device filtered air, Again passing by after internal filtration layer 110 filters can be directly used for artificially breathing；Extraneous air can also directly pass through outer filtering After layer 120 is filtered, into the inner cavity of mask 130, internal filtration layer 110 is then again passed by for artificially breathing；Meanwhile people The inner cavity 130 of mask can successively be discharged by internal filtration layer 110 and outer filter layer 120 for the air of breathing, realize inside and outside The interaction of air has multi-filtering effect to the air of sucking while ensure that the mask good air circulation again, And then ensure that wearer being capable of the good air of respiratory tract, it is ensured that the respiratory tract health of wearer and personal safety.

Wherein, the inner cavity 130 of mask is entered by the air that ventilation pipe introduces, the air in inner cavity 130 passes through interior mistake Filtering layer 110 internally flows, meanwhile, the air in inner cavity 130 can flow to the external world by outer filter layer 120 again, thus inside Chamber 130 forms a degree of micro-positive pressure, to promote gas by internal filtration layer 110 for artificially breathing.

In the optional scheme of the present embodiment, as shown in Figure 3-4, internal filtration layer 110 uses nucleopore membranes；Outer filter layer 120 Using gross porosity filter membrane.

Specifically, internal filtration layer 110 is made of nucleopore membranes, outer filter layer 120 is made of gross porosity filter membrane；Outer filtering Layer 120 is mainly used for filtering for the first time, and internal filtration layer 110 is mainly used for second of filtering, the large-size particles in air It is filtered out at first by the filtering of outer filter layer 120, internal filtration layer 110 filters out the lesser small molecule contaminants of partial size, and core Pore membrane is then a kind of high-precision filter membrane.

Wherein, nucleopore membranes are that thermal neutron makes uranium -235 fission in power nuclear reactor, and the fragment for generation of fissioning there is penetrated with Machine macromolecule plastic film leaves a narrow irradiation damage channel on the path that fission fragment passes through；The channel is through oxygen After change, with chemistry etches appropriate, the channel on film can be become cylindric micropore, and then form one kind to have Filter the nucleopore membranes of characteristic；In addition, the radiation parameter and etching condition of control nuclear reactor, so that it may obtain different hole densities and hole The nucleopore membranes of diameter.

In the optional scheme of the present embodiment, as shown in Figure 3-4, also set up between internal filtration layer 110 and outer filter layer 120 There is catalysis filter material layer 140.

Specifically, in order to further increase to the filtering feature of air, between internal filtration layer 110 and outer filter layer 120 It is additionally provided with catalysis filter material layer 140；Being catalyzed filtrate is a kind of porous material with catalytic action, passes through the catalytic performance of itself Certain organic matters in air are enough catalytically decomposed, in the filterability using itself porous structure, the particle for allowing adaptation to aperture is logical It crosses.

Wherein, which has certain thickness, and then increases the linear distance that air passes through, simultaneously It ensure that the time required for catalysis, so that catalysis reaction more can be acted on adequately.

In the optional scheme of the present embodiment, as shown in Figure 3-4, gross porosity filter membrane uses sponge or cloth with holes.

Specifically, gross porosity filter membrane is to be used to filter for the first time, mainly the large-size particles in air are filtered out, so Gross porosity filter membrane generally uses sponge or cloth with holes etc..

It further include frenulum 150 as shown in Figure 3-4 in the optional scheme of the present embodiment；Frenulum 150 is separately positioned on mouth The left and right sides of cover.

Specifically, frenulum 150 is used to for mask being fixed on the head of wearer, the quantity of frenulum 150 is two, and two are The left and right sides for being separately positioned on mask with 150；When fixed, the end of two frenulums 150 is knotted fixed.

Similar, frenulum 150 can be an entire belt, the left and right ends of frenulum 150 respectively with the left and right sides of mask It is fixedly connected, in use, being directly sleeved on the head of wearer.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of novel breath purifying device, which is characterized in that including blower unit, soaking device, centrifugal device and snorkel Road；

The outlet of the blower unit and the inlet communication of the ventilation pipe, the centrifugal device are arranged in the ventilation pipe Interior, the soaking device is arranged between the blower unit and the centrifugal device, the outlet of the ventilation pipe and mask Inner cavity connection；

The soaking device and the centrifugal device are successively passed through by the air that the outlet of the blower unit is sent out, and pass through institute State the inner cavity that ventilation pipe flows to mask；

The soaking device includes Venturi tube and water tank, and the Venturi tube is connected to by suction hose with the water tank, described Venturi tube forms subnormal ambient, so that the water in the water tank enters the Venturi tube, Jin Erzhan by the suction hose Air in the wet Venturi tube.

2. novel breath purifying device according to claim 1, which is characterized in that the centrifugal device includes spinning disk；

The exit of the Venturi tube is arranged in the spinning disk；

The rotation of spinning disk described in the air push soaked through the Venturi tube generates centrifugal force, and centrifugal force makes in air Grain is detached from, and is attached on the inner wall of the ventilation pipe.

3. novel breath purifying device according to claim 2, which is characterized in that the blower unit includes blower；

The import of the blower is in communication with the outside, and the outlet of the blower is connected to the ventilation pipe；

Extraneous air is introduced into the ventilation pipe from the import of the blower by by-pass filtration.

4. novel breath purifying device according to claim 3, the by-pass filtration uses gross porosity filter membrane.

5. novel breath purifying device according to claim 3, which is characterized in that further include cabinet；

The blower and the water tank are arranged in the cabinet；

The ventilation pipe includes snorkel and the air passage that is arranged on the cabinet, one end of the snorkel and described logical Air flue connection, the other end are connected to the inner cavity of mask；The Venturi tube is arranged in the air passage, the spinning disk setting The outlet of the junction of the snorkel and the air passage, the blower is connected to the air inlet of the air passage.

6. novel breath purifying device according to claim 3, which is characterized in that further include controller and battery；

The controller and blower electrical connection, the battery for providing power supply, the battery by the controller and The blower electrical connection.

7. a kind of Novel respirator, which is characterized in that including novel breath purifying device described in any one of claims 1-6, It further include mask；

The mask includes successively from the inside to the outside internal filtration layer and outer filter layer, between the internal filtration layer and the outer filter layer Form inner cavity, the outlet of the inner cavity and the ventilation pipe；

The inner cavity is entered by the air that the ventilation pipe introduces, by the internal filtration layer for artificially breathing；Extraneous Air can also enter the inner cavity by the outer filter layer, through the internal filtration layer for artificially breathing；Artificially breathe Can the mask successively be discharged by the internal filtration layer and the outer filter layer in air.

8. Novel respirator according to claim 7, which is characterized in that the internal filtration layer uses nucleopore membrane material system At；

The outer filter layer is made of gross porosity filter membrane material.

9. Novel respirator according to claim 7, which is characterized in that between the internal filtration layer and the outer filter layer It is additionally provided with catalysis filter material layer.

10. Novel respirator according to claim 8, which is characterized in that the gross porosity filter membrane uses sponge or cloth with holes Material.