CN101041104A - Method and device for insulating the face of person from the external environment including harmful gas - Google Patents
Method and device for insulating the face of person from the external environment including harmful gas Download PDFInfo
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- CN101041104A CN101041104A CNA2006100433925A CN200610043392A CN101041104A CN 101041104 A CN101041104 A CN 101041104A CN A2006100433925 A CNA2006100433925 A CN A2006100433925A CN 200610043392 A CN200610043392 A CN 200610043392A CN 101041104 A CN101041104 A CN 101041104A
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- helmet
- human body
- body face
- pernicious gas
- gas environment
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Abstract
A method for separating face from outer harmful gas comprises that (1), setting a separating space at the face, (2) forming a wind curtain at the separating space to insulate outer harmful gas from face. And the device comprises a helm covering the head with an opening at the front of the face, a bar wind outlet downward at the top side of the opening, and a wind channel in the interlayer of the helm and communicated with the wind outlet, while the wind channel via a tube is communicated with a pressure source outside the helm. The invention uses the wind curtain to insulate face from harmful gas outside, to insulate harmful gas from breath system, without affecting vision and view sight.
Description
Technical field
The present invention relates to the respiratory system protective device of wearing type, specifically be meant a kind of method and device human body face and the isolation of extraneous pernicious gas environment.
Background technology
Wearing type respiratory system protective device mainly is meant the face shield or the helmet of the respiratory system of human body and each organ of head and the isolation of extraneous pernicious gas environment, is widely used in the pernicious gas environment such as factory, mine.This kind face shield or the helmet have a seal usually, and the sealing part forms a chamber at wearer's snout, and outside air enters this chamber after by a filter cleaning.The sealing part is used to isolate the surrounding environment noxious air, prevents that it from entering this chamber and sucked in the lung by the wearer, and filter then is used to remove airborne harmful components, makes the wearer can breathe harmless air.And this kind helmet or face shield are provided with and can observe extraneous eyepiece for the wearer at wearer's eye.Another version of the helmet or face shield is by pipeline cleaned air to be introduced in the airtight helmet or face shield from the safety source of the gas, breathes for the wearer.
The shortcoming of the above-mentioned helmet or face shield is a complex structure, filter or purifier owing to must be provided with in the helmet or the face shield, and require to have the good air-tightness energy, or require inside and outside the helmet or the face shield suitable pressure reduction is arranged, so its overall volume is bigger, seems heavy.And, because eyepiece is installed, wearer's sight line has been caused certain obstacle, dwindled wearer's the visual field, in the course of the work, eyepiece is stained with dust or other pollutant easily, brings great inconvenience for the pendant person.In addition, if for some reason the barrier or other reason pressure gas source stop air feed, then might make the wearer produce life danger.
A kind of " protective helmet sprays paint " disclosed for Chinese patent 91206031.X number, its structure comprises helmet shell, cushion course, liner, visor, fresh air from pressure air source enters the helmet shell through pressure regulator valve, air cleaner, air inlet pipe by helmet rear portion, connection is located at 1 in the cushion course to 3 blast pipes again, discharges from top to bottom from the place ahead or the both sides of helmet internal upper part.As seen, the cardinal principle of this helmet is that the fresh air of pressure air source is introduced in the helmet, discharge downwards from the place ahead or the both sides of its internal upper part then, breathe for the wearer, from its description, its helmet has visor, and the helmet should be airtight, and its inventive point is that gas enters in the helmet from top downwards.Yet this structure still is similar to the aforementioned helmet of the prior art or face shield, the shortcoming of have the inconvenience used, dwindling wearer's the visual field.
Summary of the invention
The invention provides a kind of method and device with human body face and the isolation of extraneous pernicious gas environment, its main purpose is to overcome existing protective helmet complex structure, cost is higher, volume is big, can dwindle the wearer visual field, source of the gas when using inconvenience, use may cause shortcomings such as wearer's life danger when disconnecting.
The present invention adopts following technical scheme:
Method with human body face and the isolation of extraneous pernicious gas environment may further comprise the steps: 1) define an insulating space outside human body face; 2) on this insulating space, form one air curtain, by this air curtain that extraneous pernicious gas and human body face is isolated.
Aforementioned method with human body face and the isolation of extraneous pernicious gas environment, described insulating space is by wearing a helmet at human body head, offer an opening at helmet leading flank corresponding to the human body face position, forming in this opening scope.
Further, described air curtain is to introduce helmet interlayer inside from pressure gas source by pipeline, and blows out downwards from the strip air outlet of being located at described open top side and to form.
Further, some pores are set, air in the helmet interlayer is entered in the space that the helmet surrounds, breathe for the wearer at helmet madial wall.
Device with human body face and the isolation of extraneous pernicious gas environment, comprise that one can form the helmet in an encirclement space at human body head, this helmet forms an opening in human body face the place ahead correspondence position, at the limit, top side of this opening formation one bar shaped air outlet down, form the air channel that is communicated with this air outlet in the interlayer of this helmet, this air channel is connected by the pressure gas source of pipeline with helmet outside.The air of pressure gas source enters by the road in the interior air channel of helmet interlayer, blows out from the bar shaped air outlet again, forms an air curtain in this opening, is used for extraneous pernicious gas environment and human body face are isolated.
Aforementioned device with human body face and the isolation of extraneous pernicious gas environment, its helmet madial wall is provided with the passage that some spaces that the described air channel and the helmet are surrounded are connected.Air enters the interior volume that the helmet surrounds from this passage, the person breathes use for wearing also.
Aforementioned device with human body face and the isolation of extraneous pernicious gas environment, its open bottom both sides are respectively equipped with a bandage, and bandage is provided with the fastener of working in coordination, so that by this bandage the helmet is fixed on the head.
The aforementioned device that human body face and extraneous pernicious gas environment are isolated, the bottom margin of its helmet be provided with a neck that can be surrounded on the people, to around the annular protective sheet of extending.This annular protective sheet makes and can prevent effectively that extraneous pernicious gas from entering the helmet from the slit between the neck and the helmet; And the air that forms air curtain strikes downwards on this annular protective sheet, can stop extraneous pernicious gas to enter in the helmet from the space between air curtain and the neck from the bottom to top better.
Aforementioned device with human body face and the isolation of extraneous pernicious gas environment, its bar shaped air outlet is formed by a plurality of compact arranged exhaust vents.
Described bar shaped air outlet also can be made of the exhaust vent of a strip.
In sum, the present invention creatively adopts air curtain as the barrier between human body face and the extraneous pernicious gas environment, both reached effective obstruct pernicious gas and invaded the purpose of human respiratory, can not influence again the user sight line, dwindle user's the visual field; When pressure gas source stopped air feed owing to fault or other reason, the wearer only was the infringement that is subjected to pernicious gas, but can't produce life danger because of dying; And it is simple in structure, and cost is lower.
Description of drawings
Fig. 1 is the perspective view of the embodiment of the invention one;
Fig. 2 is the perspective view of the embodiment of the invention two;
Fig. 3 is the cutaway view of the fore-and-aft direction of this courage embodiment one.
Specific embodiment
Specific embodiments of the invention one, with reference to Fig. 1 and Fig. 3, this device comprises that one can form the helmet 1 in an encirclement space at human body head, this helmet 1 forms an opening 10 in human body face the place ahead correspondence position, at the limit, top side of this opening 10 formation one bar shaped air outlet 2 down, form the air channel 3 that is communicated with this air outlet 2 in the interlayer of this helmet 1, this air channel 3 is connected by the pressure gas source of pipeline 4 with the helmet 1 outside.This bar shaped air outlet 2 is formed by a plurality of compact arranged exhaust vents 20.The air of pressure gas source enters after 4 in the air channel 3 in the helmet 1 interlayer by the road, blows out from bar shaped air outlet 2 again, forms an air curtain in this opening 10, is used for extraneous pernicious gas environment and human body face isolation.
The helmet 1 madial wall is provided with the passage 5 that some spaces that the air channel 3 and the helmet 1 are surrounded are connected, and this passage 5 is communicated with air channel 3 by arm 6, and air enters the interior volume that the helmet 1 is surrounded from this passage 5, and the person breathes use for wearing also.Opening 10 two bottom sides are respectively equipped with a bandage 11,12, and bandage 11,12 is provided with the fastener 13 of working in coordination, so that by this bandage 11,12 helmet 1 is fixed on the head.
Specific embodiments of the invention two, with reference to Fig. 2, its primary structure is similar to embodiment one with principle, and the main distinction has 2 points: the one, its bar shaped air outlet 2 is made of the exhaust vent of a strip; The 2nd, the bottom margin of its helmet be provided with a neck that can be surrounded on the people, to around the annular protective sheet 7 of extending.This annular protective sheet 7 makes and can prevent effectively that extraneous pernicious gas from entering the helmet 1 from the slit between the neck and the helmet 1; And the air that forms air curtain strikes downwards on this annular protective sheet 7, can stop extraneous pernicious gas to enter in the helmet 1 from the space between air curtain and the neck from the bottom to top better.
Above-mentioned only is two specific embodiments of the present invention; but design concept of the present invention is not limited thereto; design of the present invention is to utilize the air curtain that forms at human body face; with human body face and poisonous; keep apart between the pernicious gas environment such as many dust; allly utilize this design that the present invention is carried out the change of unsubstantiality; as; only be to change the helmet among the embodiment into face shield or other device; and still utilize air curtain to realize intercepting the purpose of outside air; these are those skilled in the art and need not can draw through creative thinking, therefore must belong to the behavior of invading protection domain of the present invention.
Claims (10)
1, with the method for human body face and the isolation of extraneous pernicious gas environment, may further comprise the steps:
1) outside human body face, defines an insulating space;
2) on this insulating space, form one air curtain, by this air curtain that extraneous pernicious gas and human body face is isolated.
2, the method with human body face and the isolation of extraneous pernicious gas environment as claimed in claim 1, it is characterized in that: described insulating space is by wear a helmet at human body head, offer an opening at helmet leading flank corresponding to the human body face position, in this opening scope, form.
3, the method with human body face and the isolation of extraneous pernicious gas environment as claimed in claim 2, it is characterized in that: described air curtain is to introduce helmet interlayer inside from pressure gas source by pipeline, and blows out downwards from the strip air outlet of being located at described open top side and to form.
4, the method that human body face and extraneous pernicious gas environment are isolated as claimed in claim 3 is characterized in that: at helmet madial wall some pores are set, air in the helmet interlayer is entered in the space that the helmet surrounds, breathe for the wearer.
5, the device that human body face and extraneous pernicious gas environment are isolated, it is characterized in that: comprise that one can form the helmet in an encirclement space at human body head, this helmet forms an opening in human body face the place ahead correspondence position, at the limit, top side of this opening formation one bar shaped air outlet down, form the air channel that is communicated with this air outlet in the interlayer of this helmet, this air channel is connected by the pressure gas source of pipeline with helmet outside.
6, the device with human body face and the isolation of extraneous pernicious gas environment as claimed in claim 5, it is characterized in that: this helmet madial wall is provided with the passage that some spaces that the described air channel and the helmet are surrounded are connected.
7, the device with human body face and the isolation of extraneous pernicious gas environment as claimed in claim 5, it is characterized in that: these open bottom both sides are respectively equipped with a bandage, and bandage is provided with the fastener of working in coordination.
8, the device that human body face and extraneous pernicious gas environment are isolated as claimed in claim 5 is characterized in that: the bottom margin of the described helmet be provided with a neck that can be surrounded on the people, to around the annular protective sheet of extending.
9, the device with human body face and the isolation of extraneous pernicious gas environment as claimed in claim 5, it is characterized in that: described bar shaped air outlet is formed by a plurality of compact arranged exhaust vents.
10, the device with human body face and the isolation of extraneous pernicious gas environment as claimed in claim 5, it is characterized in that: described bar shaped air outlet is made of the exhaust vent of a strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100433925A CN101041104A (en) | 2006-03-24 | 2006-03-24 | Method and device for insulating the face of person from the external environment including harmful gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100433925A CN101041104A (en) | 2006-03-24 | 2006-03-24 | Method and device for insulating the face of person from the external environment including harmful gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101041104A true CN101041104A (en) | 2007-09-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100433925A Pending CN101041104A (en) | 2006-03-24 | 2006-03-24 | Method and device for insulating the face of person from the external environment including harmful gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101041104A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111111036A (en) * | 2020-02-27 | 2020-05-08 | 江西八纵科技有限公司 | Positive pressure air purification protective cover and method |
| CN111359115A (en) * | 2020-04-13 | 2020-07-03 | 王思淼 | Wearable neck formula air disinfection purification unit that hangs |
| CN111997420A (en) * | 2020-08-21 | 2020-11-27 | 杭州震易机床有限公司 | Nursing ward for respiratory infectious diseases |
| CN113171565A (en) * | 2021-05-25 | 2021-07-27 | 浙江大学 | Air curtain type protective face mask with air purification function |
| CN114832248A (en) * | 2022-06-15 | 2022-08-02 | 赵宇 | Gas release device and protective equipment comprising same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4462399A (en) * | 1981-10-02 | 1984-07-31 | Minnesota Mining And Manufacturing Company | Powered air respirator and cartridge |
| CN2127833Y (en) * | 1992-08-05 | 1993-03-10 | 孙卫平 | Helmet with air proof curtain |
| US5533500A (en) * | 1992-03-04 | 1996-07-09 | Her-Mou; Lin | Helmet with an air filtering device |
-
2006
- 2006-03-24 CN CNA2006100433925A patent/CN101041104A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4462399A (en) * | 1981-10-02 | 1984-07-31 | Minnesota Mining And Manufacturing Company | Powered air respirator and cartridge |
| US5533500A (en) * | 1992-03-04 | 1996-07-09 | Her-Mou; Lin | Helmet with an air filtering device |
| CN2127833Y (en) * | 1992-08-05 | 1993-03-10 | 孙卫平 | Helmet with air proof curtain |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111111036A (en) * | 2020-02-27 | 2020-05-08 | 江西八纵科技有限公司 | Positive pressure air purification protective cover and method |
| CN111359115A (en) * | 2020-04-13 | 2020-07-03 | 王思淼 | Wearable neck formula air disinfection purification unit that hangs |
| CN111997420A (en) * | 2020-08-21 | 2020-11-27 | 杭州震易机床有限公司 | Nursing ward for respiratory infectious diseases |
| CN113171565A (en) * | 2021-05-25 | 2021-07-27 | 浙江大学 | Air curtain type protective face mask with air purification function |
| CN114832248A (en) * | 2022-06-15 | 2022-08-02 | 赵宇 | Gas release device and protective equipment comprising same |
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Open date: 20070926 |