CN104548406A - Mask power adapting device - Google Patents
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- CN104548406A CN104548406A CN201310468587.4A CN201310468587A CN104548406A CN 104548406 A CN104548406 A CN 104548406A CN 201310468587 A CN201310468587 A CN 201310468587A CN 104548406 A CN104548406 A CN 104548406A
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Abstract
The invention relates to a mask power adapting device (1). The mask power adapting device (1) comprises a mounting module (10) for fixing a mask (2), an air chamber (12) and a first fan (11), wherein the mounting module (10) comprises a mask contact interface (101) capable of keeping a proper distance between the mask (2) and the face of a user; the air chamber (12) is formed by the mounting module (10), the mask (2) and the face of the user in a surrounding manner; a ventilation hole (100) capable of allowing air to flow in or flow out of the air chamber (12) is formed in the end, close to the nose of the user, of the mounting module (10); the first fan (11) for exhausting out or blowing in air is fixed on the mounting module (10) and in a position next to and directly facing the ventilation hole (100). The mask power adapting device provided by the invention enables a user to be protected fully and breathe without burden as if the user does not wear the mask, and breathing strength increasing or discomfort caused by resistance that air passes through the mask is avoided.
Description
Technical field
The present invention relates to a kind of protective device for respiration, more particularly, relate to a kind of mouth mask power adaptive device.
Background technology
The whole world has millions of people to use mouth mask, and wherein the contaminant particles that can be used in blocks air of respiratory protection mouth mask enters into the respiratory system of oneself, and the use of medical surgical respirator can prevent the dirt contamination of oneself breathing out to environment.But owing to will overcome the resistance of air through mouth mask, typical passive protection mouth mask requires that user must firmly breathe when using it could suck enough air.Worse, the waste gas of exhalation is trapped in mouth mask mostly, so not only blocks entering of fresh air, and a small amount of fresh air is inhaled in lung again also to make waste gas a large amount of in mouth mask mix.The situation of this shortage fresh air can allow those comparatively weak users be sick in the stomach and discomfort, especially suffers from old man and the child of chronic respiratory disease.
People are that the waste gas discharged in mouth mask has made multiple trial as far as possible, and the method usually adopted is an increase unidirectional expiration relief valve on mouth mask, " cold flow (cool flow) " valve of such as 3M company.But this valve can only improve the comfort level that mouth mask uses a little, because it still needs certain respiratory intensity, could force this valve open in exhalation process.In addition, add in disposable breathing mask such valve by significantly increase mouth mask price, reduce its competitiveness in the market.
Also have various of the respiration auxiliary system of power supply air in the market, Versaflow and the Powerflow7900PF system of such as 3M company, but these systems are usually all very heavy, expensive and be not suitable for consumption market.The various forms of use electric fan that relates to is also illustrated to overcome the powered respirators of resistance when air flows through filter element in United States Patent (USP) 6854464,7464705 and 4233972.
In United States Patent (USP) 6257235, disclose a kind of mouth mask, described mouth mask adds a fan to improve its gas permeability and comfort level.But this invention has a lot of shortcoming, comprising: a. it need the mouth mask of particular design, this mouth mask devises an interface to guarantee that fan is fixed on mouth mask safely, and this is at present on the market not available for traditional mouth mask.Unless that is revise on a large scale disposable breathing mask conventional on the market at present, otherwise this invention will can not get effective application; And with regard to actual demand, its cost performance is also far below other disposable breathing mask.B. fan is positioned at the bottom of mouth mask, this means in the hot gas of characteristics of contaminated respiratory droplets, and those do not have immediately by the part that fan is extracted out, will rise and be trapped in the top of mouth mask air chamber.The damp and hot waste gas of c. breathing out directly blows to mouth mask, and moisture wherein and heat also remain on the filter medium of mouth mask, is again sucked together in final mixed fresh air after filtration.D. for ensureing certain comfort level, mouth mask is soft, and this may cause the face of fan distance user too near, thus enough space can not be provided to ensure that fan normally works.
Summary of the invention
Mouth mask class air cleaner can be tackle obstruct by electrostatic and/or fiber to be suspended in dust in air and organic mouth mask, also can be the removable box that active chemical components is housed coordinating breathing mask to use, such as 6001 of 3M company have machine filter poison box, this active chemical components (such as carbon) can in and air in active harmful chemical.Described air cleaner can be the respiratory protection mouth mask that particulates emission in blocks air enters user's respiratory system, also can be the medical surgical respirator that the harmful substance preventing user from breathing out pollutes external environment.Description below, these all mouth mask class air cleaners will be collectively referred to as " mouth mask ".
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, a kind of mouth mask power adaptive device that can overcome resistance when air flows through mouth mask is provided, described device can and at present common mouth mask on the market share, allow user can also as not wearing breathing free of a burden mouth mask while fully obtaining mouth mask safeguard function.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of mouth mask power adaptive device to comprise and install the fixing installation module covering user's oro-nasal region and the first fan for extracting or be blown into air out for mouth mask.Described installation module comprises the cup-shaped mouth mask contact interface allowing and keep suitable distance between mouth mask and user's face, and this mouth mask contact interface, as a part for installation module, is arranged between mouth mask and user's face.Installation module offers passage in the position near user nostril, and described first fan is just near being also just fixed on installation module described passage.When described mouth mask power adaptive device coordinates mouth mask to use, the inwall of installation module, form closed gas chamber between mouth mask and user's face, this gas chamber is communicated with the external world by passage.
Described first fan can according to the use of the type of mouth mask, select vacuum fan and/or be blown into formula fan, described mouth mask power adaptive device also comprises for the described first fan power-supply device of powering with for controlling described first fan swicth and regulating the power regulating switch of rotating speed of described first fan, and the first fan is connected with power regulating switch and power-supply device successively by power line; User can pass through the power of the manual adjustment fan of power regulating switch, to obtain wind speed the most comfortable.Described mouth mask power adaptive device employs two kinds of common assemblies: for the portable battery pack of charging to mobile phone and the mini-fan for cooling electronic components; This two kinds of cheapnesss and the assembly of maturation reduces cost, ensure that this device is that ordinary consumer can be afforded.
In mouth mask power adaptive device provided by the invention, also comprise and to fix along installation module edge and to be close to the soft surface cover of user's face in use, soft surface cover uses soft material to strengthen the air-tightness of described gas chamber.
In mouth mask power adaptive device provided by the invention, when with the use of mouth mask be respiratory protection mouth mask time, first fan is vacuum fan, waste gas for user in gas chamber being breathed out passes through outside passage withdrawing device, air pressure in gas chamber is reduced, and the air contributing to outside is filtered in inhaling air chamber by mouth mask.
When with the use of respiratory protection mouth mask, on the mouth mask contact interface of installation module, the region relative with user's mouth and nose is called flow deflector, and offers multiple through hole for fresh air inflow and window in the surrounding of described flow deflector.The purpose of design of flow deflector is as screen, and the damp and hot waste gas of the major part preventing user from breathing out directly blows on mouth mask, and then prevents the hot gas in waste gas and moisture from remaining in mouth mask filter course, is finally mixed in fresh air and is again sucked by user; Another function of flow deflector is the waste gas guiding passage of will breathe out, and is effectively extracted out from gas chamber by waste gas, can reduce exhalation waste gas like this to the fresh air produced pollution after gas chamber's inner filtration by the first fan.
In mouth mask power adaptive device provided by the invention, when with the use of medical surgical respirator, first fan is blown into formula fan, for the fresh air of outside is blown in gas chamber by passage, air pressure in gas chamber raises, and the waste gas forcing user to breathe out is discharged after being filtered by mouth mask from gas chamber.
Above-mentioned single fan structure, may be desirable not enough concerning some suffer from the user of Serious respiratory tract disease.Because the air pressure in gas chamber is along with each respiratory cycle of user changes, and the draught head inside and outside mouth mask may cause this kind of user to feel to breathe discomfort.
In mouth mask power adaptive device provided by the invention, one more comprehensively design be: use two fans to form a push-pull configuration, air is blown into by a fan, waste gas is extracted out by another fan from gas chamber, and the relative power of these two fans can according to the air pressure quick adjustment in gas chamber, to ensure that the air pressure in gas chamber at any time can maintain same level with ambient pressure.
Lower passage is offered in region relative with user's face on described mouth mask contact interface, and described mouth mask contact interface also comprises the second fan, and the second fan is near being also just arranged on mouth mask contact interface to described lower passage; Gas chamber, as a shield, is divided into inner cavity chamber and outer chamber by the mouth mask contact interface in security module: outer chamber is the space that mouth mask and mouth mask contact interface surround, and inner cavity chamber is the space surrounded by mouth mask contact interface and user's face; Described inner cavity chamber and described outer chamber are communicated by lower passage.
Described mouth mask power adaptive device also comprises pressure sensor for measuring described inner cavity chamber air pressure and air pressure holding circuit; The signal that described air pressure holding circuit records for receiving described pressure sensor, and control the relative power of described second fan and described first fan according to the signal that described pressure sensor records, thus the stable gas pressure maintained in described inner cavity chamber is at a preset value.Certainly, analog sensor coordinate analog control circuit be also be applicable to of the present invention.
In mouth mask power adaptive device provided by the invention, described mouth mask is respiratory protection mouth mask, described first fan is vacuum fan, and described second fan is blown into formula fan: outside air is sucked in described outer chamber by described mouth mask by described second fan, and then be blown in described inner cavity chamber for user's suction by lower passage; The waste gas that user breathes out by described first fan is extracted out and is discharged by described passage from described inner cavity chamber.
In mouth mask power adaptive device provided by the invention, described mouth mask contact interface is also provided with the essence capsule for depositing essence, described essence is released in the air-flow passed through by the pore that described essence capsule is offered to increase the comfort level of user.
The object of installing air pressure retentive control circuit maintains an equal level with ambient pressure in order to the air pressure maintained in inner cavity chamber, about an atmospheric pressure (1bar).The pulmonary activities of user can being allowed so normal, carrying out exchange activity just as not using the normal and air mouth mask.If the air pressure of inner cavity chamber is lower than atmospheric pressure, then means user probably at suction air, now " push away fan " and more air will be blown into, and " punka " needs corresponding minimizing to deflate from inner cavity chamber.Similarly, if the air pressure of inner cavity chamber is higher than atmospheric pressure, this just means that user is breathing out waste gas, now " pushes away fan " and should reduce to be blown into air capacity, and " punka " needs to extract more air out accordingly simultaneously.
In mouth mask power adaptive device provided by the invention, described air pressure retentive control circuit can based on simple feedback control loop, the power of two fans is adjusted, to reach default target air pressure according to the pressure reduction between measured inner cavity chamber's air pressure and target air pressure.This pressure holding circuit can based on simple FEEDBACK CONTROL, and it can be proportional, proportional integral (PI) or proportional-integral-differential (PID) formula.Another kind of better air pressure retentive control circuit, based on PREDICTIVE CONTROL, the respiratory cycle of its monitoring user, therefore predicts that the air pressure change of inner cavity chamber is gone forward side by side Row sum-equal matrix.The circuit of this mode can provide more steadily comfortable breathing environment for user.
Mouth mask power adaptive device provided by the invention compared with prior art, there is lot of advantages: first, can adaptive common mouth mask on the market at present and without the need to using special mouth mask, therefore adaptive advantage of lower cost and easily realize making this device have good cost advantage.Secondly, installation module provides a rigid structure, makes can keep enough spaces between fan and user's face, to ensure the normal work of fan.3rd, fan is arranged on the passage at installation module top, to guarantee that damp and hot waste gas all in gas chamber can be extracted out by fan, and is unlikely to remain in the top of gas chamber in mouth mask.4th, on mouth mask contact interface, the design of flow deflector can prevent most of waste gas of breathing out from directly being blown on mouth mask, thus greatly reduces and remain in filter medium and be finally mingled in fresh air by the damp and hot exhausted air quantity again sucked; Simultaneously it is also equivalent to screen and decreases the waste gas of exhalation gas chamber in the composite pollution of fresh air.5th, the design of double fan more effectively can improve the comfort of this adaptive device, allows user feel all right as not being directly breathing in an atmosphere naturally comfortable by mouth mask.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is mouth mask power adaptive device of the present invention embodiment, and how user wears the Basic Design schematic diagram of this device;
Fig. 2 is the structural representation of the specific embodiment that mouth mask power adaptive device one of the present invention coordinates respiratory protection mouth mask to use, only first fan is installed to discharge the waste gas of exhalation at passage place in figure, enters gas chamber by mouth mask inhale fresh air simultaneously;
Fig. 3 is soft surface cover in mouth mask power adaptive device of the present invention preferred embodiment;
Fig. 4 is the cross-sectional view that mouth mask power adaptive device one of the present invention coordinates the preferred embodiment of respiratory protection mouth mask, there is shown the mobility status of waste gas in gas chamber that user breathes out;
Fig. 5 is the cross-sectional view that mouth mask power adaptive device one of the present invention coordinates the preferred embodiment of respiratory protection mouth mask, and the fresh air that there is shown outside mouth mask enters the mobility status in gas chamber after filtration;
Fig. 6 is mouth mask power adaptive device of the present invention preferred embodiment based on push-pull type fan design;
Fig. 7 is mouth mask power adaptive device of the present invention cross-sectional view based on the preferred embodiment of push-pull type fan design, there is shown the internal structure of this device.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Mouth mask common on the market can be divided into two classes at present: the respiratory protection mouth mask that the particulates emission in blocks air enters user's respiratory system and the harmful substance preventing user from breathing out pollute the medical surgical respirator of external environment.These mouth mask common form comprise the removable box that active chemical components is housed being tackled dust and organic mouth mask and the use of cooperation breathing mask by electrostatic and/or fiber, and such as 6001 of 3M company have machine filter poison box.
Fig. 1 is the specific embodiment that mouth mask power adaptive device of the present invention simplifies most, only used a fan.In figure, power adaptive device 1 of the present invention coordinates for user with mouth mask 2 common on the market.This power adaptive device 1 comprises: installation module 10, first fan 11, upper band 180, lower band 181, power regulating switch 13 and power-supply device 14.
Installation module 10 offers a passage 100, first fan 11 near being also just arranged on installation module 10 this passage 100 near one end of user's nose.There are four outward extending boss at the edge of installation module 10, and each boss offers one for band and pass and the band through hole be fixed thereon, described band is bundled on these four band through holes respectively, and then this mouth mask power adaptive device 1 is closely fixed on the oro-nasal region of user's face.The left end of upper band 180 is fixed on upper left band through hole 103, and right-hand member is fixed on upper right band through hole 104, and the left end of lower band 181 is fixed on lower-left band through hole 105, and right-hand member is then fixed on bottom right band through hole 102.
First fan 11 is used for extracting out from gas chamber 12 or being blown into air.First fan 11 is connected with power-supply device 14 with power regulating switch 13 successively by wire 140, and power-supply device 14 is powered for giving the first fan 11, and the power level of the first fan 11 carrys out manual adjustments by power regulating switch 13.Power-supply device 14 is also connected with neck lanyard 183 neck being suspended on user simultaneously, to alleviate the head institute applied pressure of whole device 1 couple of user.
Described device employs two kinds of common assemblies: for the portable battery pack of charging to mobile phone and the mini-fan for cooling electronic components; This two kinds of cheapnesss and the assembly of maturation can ensure that this device is that ordinary consumer can be afforded.
Fig. 2 shows mouth mask power adaptive device of the present invention in the preferred embodiment coordinating respiratory protection mouth mask to use, and mouth mask 2 is installed in the details on installation module 10.
Installation module 10 comprises the cup-shaped mouth mask contact interface 101 that makes to keep between mouth mask 2 and user's face suitable distance, and this mouth mask contact interface 101, as a part for installation module 10, is arranged between mouth mask 2 and user's face.
When described power adaptive device 1 with the use of mouth mask be respiratory protection mouth mask time, region relative with user's mouth and nose on the mouth mask contact interface 101 of installation module 10 is flow deflector 1012, and offer multiple through hole flowed into for fresh air in the surrounding of described flow deflector 1012, also window is claimed, such as window 1011.
The function of flow deflector 1012 is first fans 11 and to be unlikely to and fresh air after filtering mixes of being led by the waste gas that user breathes out; Also prevent most of waste gas from directly spraying to mouth mask 2 simultaneously, and make damp and hot waste gas remain in mouth mask filter course, finally again sucked by user in mixed fresh air after filtration.At multiple windows that flow deflector 1012 surrounding is offered, such as window 1011 on mouth mask contact interface 101, make the fresh air after by mouth mask 2 filtration can enter the nasal cavity of user around flow deflector 1012.
Mouth mask contact interface 101 is more smooth than mouth mask 2, thus only fits tightly at the fringe region of mouth mask contact interface with mouth mask 2.Like this when mouth mask 2 is installed on installation module 10, also have a large amount of space between the two, only fit in the very little a part of region of mouth mask 2 outward flange and mouth mask contact interface 101, this space can guarantee that mouth mask 2 li of large-area filter courses can play a role.
Mouth mask 2 common on the market is all worn with person easy to use with elastic straps, and these bands are divided into upper ring and a lower ring two kinds of forms usually.To mouth mask 2 be fixedly installed on installation module 10, pressed on ring must be cut off and become upper left band 22 and upper right band 23, and lower ring be cut off into lower-left band 21 and bottom right band 24.And then upper left band 22 is wrapped on the upper left recess 107 at installation module 10 edge, be wrapped on upper right recess 108 by upper right band 23 equally, lower-left band 21 is wrapped on lower-left recess 106, and bottom right band 24 is wrapped on bottom right recess 109.Finally again upper left band 22 and lower-left band 21 are tied a knot and fastened, same ties a knot upper right band 23 and bottom right band 24 and fastens, and mouth mask 2 like this just can firm being arranged on installation module 10.
First fan 11 is fixed on passage 100 place at installation module 10 top, and the wire 140 be connected with the first fan is fixed along the groove 1013 be opened on mouth mask contact interface 101.Installation module 10 is also equipped with the soft surface cover 19 that can fit tightly user face, to improve the comfort of this device 1 below.
Mouth mask contact interface 101 is provided with essence capsule 1020, described essence capsule 1020 inside has memory space for placing various solid essence sheet or storing the sponge block of liquid flavor.Essence capsule 1020 offers strip pore 1021, the essence deposited in essence capsule 1020 in the air-flow passed through, allows user enjoy the cleaned air oneself liking fragrance by described pore 1021 slow release.The design of essence capsule 1020 adds and uses comfort level of the present invention, and wherein essence capsule 1020 can be a part intrinsic on mouth mask contact interface 101, or the optional feature separated.
Fig. 3 shows the details of soft surface cover 19.Soft surface cover 19 is fixed on the edge of installation module 10 and is close to the face of user in use, and soft surface cover 19 has offered the recess 191 agreeing with human body standard facial profile in the region relative with user's mouth and nose; In addition, soft surface cover 19 all puts down flexible materials such as (Santoprene) to make with silicon rubber or mountain.These 2 make the profile of this soft surface cover 19 can change in reasonable region, so that the face of the laminating majority of energy air hermetic.Also have the both sides of recess 191 to have left side flap 192 and right side flap 193, their effect increases the air-tightness of holding soft surface cover 19.
Fig. 4 is the cross-sectional view of the preferred embodiment that the present invention coordinates respiratory protection mouth mask to use, the situation that the waste gas that there is shown user's exhalation flows in gas chamber 12.When mouth mask power adaptive device 1 coordinates mouth mask 2 to use, installation module 10, the gas chamber 12 that between mouth mask 2 and user's face, formation one is closed, described gas chamber 12 is communicated with the external world by passage 100.When the wearer exhales the air, the waste gas of exhalation leads to mouth mask 2 along flowing to 40 originally, and after flow deflector 1012 drainage, waste gas streams becomes along flowing to 41, flow to 42 flowings discharges from passage 100 eventually through the first fan 11.In figure, wire 140 is that the first fan 11 is powered.
Fig. 5 is the cross-sectional view of the preferred embodiment that the present invention coordinates respiratory protection mouth mask to use, and the fresh air that there is shown outside mouth mask enters the flow condition in gas chamber 12 after filtration.Air after filtration is inhaled into gas chamber 12 and then walks around near flow deflector 1012 to the nose of user, is then retracted to outside mouth mask by passage 100 by the first fan 11.Because the nose of user is on whole piece air flow path, which ensure that user can be drawn to fresh filtered air.In figure, soft surface cover 19 fits tightly with user's face, is improving the bubble-tight comfort level also improving whole device simultaneously and use of device.
Fig. 6 is mouth mask power adaptive device of the present invention preferred embodiment based on push-pull type combination of fans.At least two fans are employed in the present embodiment, push away a mode of drawing with one and carry out work, and control the relative power size of the first fan 11 and the second fan 15 by a closed-loop feedback circuit and air pressure holding circuit 17, to maintain stable gas pressure in gas chamber 12 at preset value; Lower passage 1014 is offered in region relative with user's face on mouth mask contact interface 101, and this mouth mask contact interface 101 also comprises the second fan 15, and described second fan 15 is near being also just arranged on mouth mask contact interface 101 this lower passage 1014.The object of whole design be allow user when using this device 1 to breathe and when not using this device 1 to breathe sensation the same naturally easily.
Fig. 7 is mouth mask power adaptive device of the present invention cross-sectional view based on the preferred embodiment of push-pull type fan design, there is shown the internal structure of this device.As the mouth mask contact interface 101 of shield, gas chamber 12 is divided into outer chamber 120 and inner cavity chamber 121 in figure, wherein outer chamber 120 is the spaces between mouth mask 2 and mouth mask contact interface 101, and inner cavity chamber 121 is the spaces between mouth mask contact interface 101 and user's face.Second fan 15 uses to be blown into formula fan or vacuum fan and to decide primarily of the purposes of device.In the present embodiment, mouth mask contact interface 101 eliminates window design, passed to mutually by lower passage 1014 between inner cavity chamber 121 and outer chamber 120 and carry out air exchange.
Compared with designing with the single fan structure shown in Fig. 2, the installation module 10 of the present embodiment structurally mainly contains following change: mouth mask contact interface 101 only has and holds passage 1014 for the second fan 15 peace, eliminate the design of this kind of through hole of window 1011, make mouth mask contact interface 101 become shield between mouth mask 2 and user's face, gas chamber 12 is divided into inner cavity chamber 121 and outer chamber 120.
If device 1 coordinates respiratory protection mouth mask to use, second fan 15 be blown into formula fan with by mouth mask 2 by air intake, then by lower passage 1014, air is blown into inner cavity chamber 121 to consume for user, now the first fan 11 is that vacuum fan is to remove the waste gas in inner cavity chamber.If this device 1 coordinates medical surgical respirator to use, so the second fan 15 uses drawing-in type to pass through lower passage 1014 from inner cavity chamber 121, to extract waste gas out and discharged by mouth mask 2, and now the first fan 11 is used and is blown into formula to be blown in inner cavity chamber 121 by passage 100 by the fresh air in the external world.In these two kinds of configurations, so-called " being blown into formula " fan is equivalent to " pushing away " fan, and air pushes in inner cavity chamber 121 by it; So-called " drawing-in type " fan is equivalent to " drawing " fan, and waste gas is pulled out inner cavity chamber 121 by it.
Micro pressure sensor 16 is equipped with in the inside of inner cavity chamber 121, and this sensor 16 is arranged on installation module 10 to measure the air pressure in inner cavity chamber 121.The output termination air pressure holding circuit 17 of this sensor 16, makes the latter can control the relative power of two fans, thus the stable gas pressure maintained in inner cavity chamber 121 is at preset value, and this preset value can be 1 atmospheric pressure, the i.e. atmospheric pressure on sea level.If this air pressure is down to below preset value, this means that user sucks air, now air pressure holding circuit 17 increases the power of " pushing away " fan, reduces the power of " drawing " fan, makes to inject more air in inner cavity chamber 121; Otherwise if air pressure is higher than preset value, this means that user is breathing out waste gas, now air pressure holding circuit 17 will reduce the power of " pushing away " fan, increase the power of " drawing " fan, more waste gas in inner cavity chamber 121 will be discharged.Described pressure holding circuit 17 can based on simple FEEDBACK CONTROL, and it can be proportional, proportional integral (PI) or proportional-integral-differential (PID) formula.Another kind of better air pressure retentive control circuit 17, based on PREDICTIVE CONTROL, the respiratory cycle of its monitoring user, therefore predicts that the air pressure change of inner cavity chamber is gone forward side by side Row sum-equal matrix.The circuit of this mode can provide more steadily comfortable breathing environment for user.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a mouth mask power adaptive device, it is characterized in that, comprise for the installation module (10) of fixing mouth mask (2) and the first fan (11) for extracting or be blown into air out: described installation module (10) comprises and is positioned between described mouth mask (2) and user's face, make the mouth mask contact interface (101) keeping suitable distance between described mouth mask (2) and user's face, described installation module (10) offers passage (100) in the position near user nostril, described first fan (11) is near being also just fixed on described installation module (10) to described passage (100), when described mouth mask power adaptive device (1) coordinates described mouth mask (2) to use, described installation module (10), between described mouth mask (2) and user's face, form closed gas chamber (12), and described gas chamber (12) is communicated with the external world by described passage (100).
2. mouth mask power adaptive device according to claim 1, it is characterized in that, also comprise for described first fan (11) power-supply device (14) of powering with for controlling described first fan (11) switch and regulating the power regulating switch (13) of rotating speed of described first fan (11), described first fan (11) is connected with power regulating switch (13) and power-supply device (14) successively by wire (140).
3. mouth mask power adaptive device according to claim 1, it is characterized in that, also comprise and to fix along installation module (10) edge and to be close to user's face in use, for strengthening the bubble-tight soft surface cover (19) of described gas chamber (12).
4. mouth mask power adaptive device according to claim 1, it is characterized in that, described mouth mask (2) is respiratory protection mouth mask, described first fan (11) is vacuum fan, waste gas for user in described gas chamber (12) being breathed out passes through outside described passage (100) withdrawing device, described gas chamber (12) internal gas pressure declines, and outside air is sucked in described gas chamber (12) by described mouth mask (2).
5. mouth mask power adaptive device according to claim 4, it is characterized in that, the upper region relative with user's mouth and nose of described mouth mask contact interface (101) is flow deflector (1012), multiple window (1011) for air circulation is offered in described flow deflector (1012) surrounding, described first fan (11) of waste gas guiding that user breathes out by described flow deflector (1012), discharges described gas chamber (12) by described passage (100).
6. mouth mask power adaptive device according to claim 1, it is characterized in that, described mouth mask (2) is medical surgical respirator, described first fan (11) is blown into formula fan, for outside air is blown in described gas chamber (12) by described passage (100), described gas chamber (12) internal gas pressure raises, and the waste gas that described gas chamber (12) interior user is breathed out is discharged after being filtered by described mouth mask (2).
7. mouth mask power adaptive device according to claim 1, it is characterized in that, the upper region relative with user's face of described mouth mask contact interface (101) offers lower passage (1014), described mouth mask contact interface (101) also comprises the second fan (15), and described second fan (15) is near being also just arranged on described mouth mask contact interface (101) to described lower passage (1014); Described gas chamber (12) is divided into outer chamber (120) and inner cavity chamber (121) by described mouth mask contact interface (101), and wherein said outer chamber (120) is the space that described mouth mask (2) and described mouth mask contact interface (101) surround; And described inner cavity chamber (121) is the space that described mouth mask contact interface (101) surrounds with user's face; Described inner cavity chamber (121) and described outer chamber (120) are communicated by lower passage (1014).
8. mouth mask power adaptive device according to claim 7, is characterized in that, also comprises the pressure sensor (16) for measuring described inner cavity chamber (121) air pressure and air pressure holding circuit (17); The signal that described air pressure holding circuit (17) records for receiving described pressure sensor (16), and control the relative power of described second fan (15) and described first fan (11) according to the signal that described pressure sensor (16) records, thus the stable gas pressure maintained in described inner cavity chamber (121) is at a preset value.
9. mouth mask power adaptive device according to claim 8, it is characterized in that, described mouth mask (2) is respiratory protection mouth mask, described first fan (11) is vacuum fan, and described second fan (15) is blown into formula fan: outside air is sucked in described outer chamber (120) by described mouth mask (2) by described second fan (15), and then be blown in described inner cavity chamber (121) for user's suction by lower passage (1014); The waste gas that user breathes out by described first fan (11) is extracted out from described inner cavity chamber (121) is and passes through described passage (100) discharge.
10. mouth mask power adaptive device according to claim 1, it is characterized in that, described mouth mask contact interface (101) is also provided with the essence capsule (1020) for depositing essence, described essence is released in the air-flow passed through by the pore (1021) that described essence capsule (1020) is offered.
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| CN201310468587.4A CN104548406A (en) | 2013-10-09 | 2013-10-09 | Mask power adapting device |
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| CN201310468587.4A CN104548406A (en) | 2013-10-09 | 2013-10-09 | Mask power adapting device |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105582623A (en) * | 2016-03-07 | 2016-05-18 | 上海朗沁投资管理有限公司 | Active respirator for children |
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| CN111065441A (en) * | 2017-09-01 | 2020-04-24 | 3M创新有限公司 | Breathing apparatus |
| CN108371361A (en) * | 2018-01-08 | 2018-08-07 | 赵辉 | A kind of mask and its method of ventilation |
| CN108355268A (en) * | 2018-03-06 | 2018-08-03 | 林世明 | A kind of pressurization oxygenation mask |
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| CN112351822A (en) * | 2018-05-30 | 2021-02-09 | 皇家飞利浦有限公司 | System and method for configuring air flow in an air mask |
| JP2021525146A (en) * | 2018-05-30 | 2021-09-24 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | Systems and methods for setting the air flow rate in the air mask |
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| CN109464761B (en) * | 2018-11-06 | 2020-12-29 | 江苏中矿安华科技发展有限公司 | Breathing self-adaptive mining dust mask |
| CN111657165A (en) * | 2019-03-08 | 2020-09-15 | 天津大学 | Special mask for police dog |
| CN113660985A (en) * | 2019-03-29 | 2021-11-16 | Lg电子株式会社 | Mask device and control method thereof |
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| CN111544787A (en) * | 2020-05-23 | 2020-08-18 | 河南亚都实业有限公司 | Multifunctional medical protective mask |
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Application publication date: 20150429 |