CN106806998A - A kind of positive-pressure type fire-fighting oxygen breathing apparatus - Google Patents
A kind of positive-pressure type fire-fighting oxygen breathing apparatus Download PDFInfo
- Publication number
- CN106806998A CN106806998A CN201510844494.6A CN201510844494A CN106806998A CN 106806998 A CN106806998 A CN 106806998A CN 201510844494 A CN201510844494 A CN 201510844494A CN 106806998 A CN106806998 A CN 106806998A
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- Prior art keywords
- oxygen
- positive
- valve
- pressure type
- type fire
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/02—Respiratory apparatus with compressed oxygen or air
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/06—Mouthpieces; Nose-clips
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- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
A kind of positive-pressure type fire-fighting oxygen breathing apparatus of the present invention, its shell is the cavity being fastened and connected with lower cover by upper lid, its bottom is provided with fixed oxygen cylinder, the bottleneck of oxygen cylinder is provided with gas cylinder switch, gas cylinder switch is connected with pressure reducer by nut, pressure reducer connects alarm respectively by tracheae, oxygen gauge, positive pressing spring, automatic air compensating valve, manual air compensating valve, automatic air compensating valve is connected by tracheae with air bag, weight feed valve realizes quantitative oxygen supply by dosing hole surely, meet user's demand, it passes through pipeline with manually aeration valve, triple valve is connected with cooling unit, air bag connects peace and quiet tank respectively by tracheae, cooling unit, draining valve, peace and quiet tank and cooling tank connect full facepiece mask by breathing pipeline.Firm, high temperature resistant of the invention, free from extraneous odour, wearing comfort, easy to maintenance, breathing is smooth, and visual field rate and security performance are high, are that a kind of quality and effect have the novel positive pressure formula fire-fighting oxygen breathing apparatus being greatly improved.
Description
Technical field
The invention belongs to fire-extinguishing and lifesaving field, it is adaptable to fire-fighting, colliery, chemical industry, tunnel and skyscraper etc.
Worn in work is detected in poisonous, pernicious gas, the disaster environment rescue and relief work of anoxic, search and used, related to
And a kind of positive-pressure type fire-fighting oxygen breathing apparatus, more particularly to a kind of positive-pressure type oxygen, CO2 purifications and freezing by change of state
The emergency survival breathing equipment of application.
Background technology
Positive-pressure type fire-fighting oxygen breathing apparatus is a kind of closed cycle respiratory system, and the system is by exhaled gas
CO2 is absorbed, and the gas after treatment is lowered the temperature and the oxygen of corresponding proportion is mixed into, and is returned again afterwards
Human body air-breathing is returned, so as to form a kind of with the extraneous circulatory and respiratory for completely cutting off completely, can circulate breathing gas
Use.
Positive-pressure type fire-fighting oxygen breathing apparatus is the indispensable personal breathing protective gear of rescue team member, is widely used in scarce
There is operation or rescue operation in toxic and harmful environment in oxygen, anaerobic, to ensure rescue team member's
Healthy and life security, is second life of wearer.Thus, the anticollision of respirator, heat-resisting, pendant
The importance for wearing the performances such as comfort level, use time, air cooling effect, air purification effect is self-evident.
But the positive-pressure type fire-fighting oxygen breathing apparatus of prior art is present, and shell is frangible, resistance to temp effect is poor, and air bag has peculiar smell,
Wearing, maintenance inconvenience, respiratory resistance are big, and mask is easily atomized, it is necessary to constantly repeat to fill ice, CO2 absorptions
Agent filling is complicated, efflorescence is choked people etc. is indivedual or multiple shortcomings.Positive-pressure type of the present invention is devised for disadvantage mentioned above
Fire-fighting oxygen breathing apparatus.
The content of the invention
The purpose of the present invention is:A kind of improved positive-pressure type fire-fighting oxygen breathing apparatus is provided.It is included:Gas
Bottle switch, pressure reducer, alarm, positive pressing spring, automatic exhaust steam valve, breathing pipeline, peace and quiet tank, cooling
Unit, air bag, automatic air compensating valve, crossbeam, manual air compensating valve, shell, draining valve, oxygen cylinder, comprehensively
Cover, weight feed valve, triple valve, the shell are the cavitys being fastened and connected with lower cover by upper lid, its
Bottom is provided with fixed oxygen cylinder, and the bottleneck of oxygen cylinder is provided with gas cylinder switch, and gas cylinder switch is with pressure reducer by spiral shell
Mother connection, pressure reducer by tracheae connect respectively alarm, oxygen gauge, positive pressing spring, automatic air compensating valve,
Manual air compensating valve, automatic air compensating valve is connected by tracheae with air bag, and weight feed valve is realized by dosing hole surely
Quantitative oxygen supply, meets user's demand, and it is connected with manual air compensating valve by pipeline, triple valve and cooling unit
Connect, air bag connects peace and quiet tank, cooling unit, draining valve respectively by tracheae, peace and quiet tank and cooling tank pass through
Breathing pipeline connects full facepiece mask.
Described breathing pipeline is provided with suction end and expiration end, and the inside of breathing pipeline is provided with Non-return air valve so that gas
The flow direction of stream is again to the one-way flow of absorbent tank from cooling tank to mask.
Described peace and quiet tank is provided with automatic exhaust steam valve and discharges excessive gas.
Described air bag is externally provided with crossbeam.
Described cooling unit is the non-maintaining normal temperature high-efficiency cooling media cooling device (patent No.:ZL201210591113.4)
Using high-efficiency coolant material, novel all-in-one design.Using quick, whole to be taken by whole, easy maintenance is without volume
Outer ice, without freezing.
Described peace and quiet tank absorbs quick integral-filled unit for super peace and quiet CO2, is provided with the lid of buckle-type, does not use
Extracting tool can easily just change absorbent;From specially treated special fabric by absorbent modularization
Packaging, it is whole by it is whole take, overall filling, it is convenient and swift.Solve a conventional prose style free from parallelism it is filling caused by load speed
The problems such as degree is slow, absorbent differentiation, dust are choked people, reduce respiratory resistance.
Described enclosure material is high temperature resistant, the composite of high intensity, and whole machine is by 1000 DEG C of flame assays, combustion
The respiratory protection performance of Standard is still can reach after burning 8 seconds.
Described full facepiece mask is the big visual field from antifogging and abrasive full facepiece mask, is made using nanometer anti-fog material, without fixed
When sprinkling antifoggant and antifogging brush is installed, be effectively prevented the sweat gas that soldier produces in operation process and make
Into the situation that the visual field obscures;Designed according to shape of face, different shapes of face can be well matched with double-layer seal side,
Ensure that wearing for user's safety;International advanced high-abrasive material integrated molding, visual field rate reaches more than 93%,
No visual metaboly, prevents long-term friction from causing mask smudgy;
Described brace is made up of fire proofing, and equipped with reflecting marking, is easy to be recognized in dark, improves peace
Quan Xing;Brace meets ergonomic designs, improves comfortableness.
Described oxygen cylinder is 2.5L carbon fiber Large Copacity oxygen cylinders.
Described air bag is big volume malleation air bag, and material is more preferably, volume is bigger, prevent breathing more resistant to aging
Stagnant gas problem is used the beneficial effects of the invention are as follows firm, high-low temperature resistant, free from extraneous odour, wearing comfort, dimension
Shield is convenient, breathe smooth, and visual field rate and security performance are high, and a kind of quality and effect are greatly improved
Novel positive pressure formula fire-fighting oxygen breathing apparatus.
Brief description of the drawings
Fig. 1 is a kind of internal structure schematic diagram of positive-pressure type fire-fighting oxygen breathing apparatus of the invention;
Fig. 2 is the generalized section of the A-A of Fig. 1.
In figure, 1- gas cylinders switch, 2- pressure reducers, 3- alarms, the positive pressing springs of 4-, 5- is vented automatically
Valve, 6- breathing pipelines, the peace and quiet tanks of 7-, 8- cooling units, 9- air bags, 10- automatic air compensating valves, 11-
Crossbeam, 12- manual air compensating valves, 13- shells, 14- draining valves, 15- oxygen cylinders, 16- full facepiece masks,
17- oxygen gauges, 18- braces, 19- weight feed valves, 20- triple valves
Specific embodiment
Make the explanation of embodiment below in conjunction with the accompanying drawings.
A kind of positive-pressure type fire-fighting oxygen breathing apparatus, it is included:Gas cylinder switch 1, pressure reducer 2, automatic alarm
Device 3, positive pressing spring 4, automatic exhaust steam valve 5, breathing pipeline 6, absorbent tank 7, cooling tank 8, gas
Capsule 9, automatic air compensating valve 10, support frame 11, manual air compensating valve 12, shell 13, draining valve 14,
Gas cylinder 15, the oxygen gauge 17 of mask 16, brace 18, quantitative aeration valve 19, triple valve 20;It is described outer
Shell 13 is the encirclement being fastened and connected by upper lid, lower cover and the cavity for protecting its internal components, its bottom
It is provided with fixed oxygen cylinder 15;Gas cylinder 15 is capacity 2.5L high strength fibres winding high-pressure oxygen cylinder, oxygen
The bottleneck of gas cylinder 15 is provided with gas cylinder switch 1, and gas cylinder switch 1 can control the oxygen stream in gas cylinder 15
Go out;Gas cylinder switch 1 is connected with pressure reducer 2 by nut, and pressure reducer 2 is buffered from gas cylinder 15 out
Hyperbaric oxygen air-flow, pressure reducer 2 by tracheae connect respectively alarm 3, oxygen gauge 16, positive pressing spring 4,
Automatic air compensating valve 10, manual air compensating valve 12, oxygen gauge 17;When oxygen pressure in alarm 3 is too low
Can alarm, caution wear personnel's oxygen surplus is less;Automatic air compensating valve 10 is opening for automatic oxygen outflow
Valve is closed, they are connected by tracheae with air bag 9;Weight feed valve 19 realizes quantitative confession by dosing hole
Oxygen meets user's demand, and it is connected by pipeline, triple valve 20 with manual air compensating valve 12 with cooling unit 8
Connect, air bag 9 selects big volume air bag, and more greatly more resistant to aging, air bag 9 is connected volume respectively by tracheae
Peace and quiet tank 7, cooling unit 8, draining valve 14;Peace and quiet tank 7 and cooling unit 8 store two respectively
Oxidation absorbent carbon and normal-temperature efficient refrigerant material, the two is all fixed on shell 13, peace and quiet tank 7 and cold
But unit 8 connects full facepiece mask 16 by breathing pipeline 6;Mask 16 is worn on face, is user
Oxygen containing air is provided.
Described breathing pipeline 6 is provided with suction end and expiration end, suction end connection cooling unit 8, expiration end
Peace and quiet tank 7 is connected, the inside of breathing pipeline 6 is provided with Non-return air valve so that the flow direction of air-flow is from cooling
Unit 8 arrives the one-way flow of peace and quiet tank 7 to full facepiece mask 16 again.
Described peace and quiet tank 7 is provided with automatic exhaust steam valve 5 and discharges excessive gas.
Upper and lower ends are provided with absorbent filter screen in described peace and quiet tank 7 so that the absorbent in peace and quiet tank 7 is not
Air bag 9 can be entered.
Described air bag 9 is externally provided with crossbeam 11 and protects air bag not to be stressed and rupture.
Described cooling unit 8 is the non-maintaining normal temperature high-efficiency cooling media cooling device (patent No.:
ZL201210591113.4 high-efficiency coolant material, novel all-in-one design) are used.It is whole by whole using quick
Take, easy maintenance without extra ice, without freezing.
Described absorbent tank 7 is provided with the lid of buckle-type, does not use extracting tool just to change absorption
Agent;From specially treated special fabric by absorbent modular package, it is whole by it is whole take, overall filling,
It is convenient and swift.Solve a conventional prose style free from parallelism it is filling caused by packing speed is slow, absorbent differentiation, dust are choked people
The problems such as, reduce respiratory resistance.
The described material of shell 13 is high temperature resistant, the composite of high intensity, and whole machine is by 1000 DEG C of flames
Experiment, burning still can reach the respiratory protection performance of Standard after 8 seconds.
Described full facepiece mask 16 is the big visual field from antifogging and abrasive full facepiece mask, is made using nanometer anti-fog material,
Without timing sprinkling antifoggant and installation antifogging brush, it is effectively prevented what soldier produced in operation process
Sweat gas causes the fuzzy situation in the visual field;Designed according to shape of face, can be well matched with not with double-layer seal side
Same shape of face, it is ensured that user is safe to wear;International advanced high-abrasive material integrated molding, visual field rate reaches
To more than 93%, no visual metaboly prevents long-term friction from causing mask smudgy;
Described brace 18 is made up of fire proofing, and equipped with reflecting marking, is easy to be recognized in dark, carries
High security;Brace meets ergonomic designs, improves comfortableness.
Described oxygen cylinder 15 is 2.5L carbon fiber Large Copacity oxygen cylinders.
Described air bag 9 is big volume malleation air bag, and material is more preferably, volume is bigger, prevent from exhaling more resistant to aging
Absorb and retain gas problem.
Claims (12)
1. a kind of positive-pressure type fire-fighting oxygen breathing apparatus, the positive-pressure type fire-fighting oxygen breathing apparatus includes gas cylinder switch, pressure reducer, autoalarm, positive pressing spring, automatic exhaust steam valve, breathing pipeline, absorbent tank, cooling tank, air bag, automatic air compensating valve, support frame, manual air compensating valve, shell, draining valve, gas cylinder, mask, oxygen gauge, quantitatively brace, aeration valve, triple valve;The shell is the encirclement being fastened and connected by upper lid, lower cover and the cavity for protecting its internal components, and its bottom is provided with fixed oxygen cylinder;Gas cylinder is capacity 2.5L high strength fibres winding high-pressure oxygen cylinder, and the bottleneck of oxygen cylinder is provided with gas cylinder switch, and gas cylinder switch can control the oxygen in gas cylinder to flow out;Gas cylinder switch is connected with pressure reducer by nut, and pressure reducer buffers the hyperbaric oxygen air-flow from gas cylinder out, and pressure reducer connects alarm, oxygen gauge, positive pressing spring, automatic air compensating valve, manual air compensating valve respectively by tracheae;Oxygen pressure in alarm can alarm when too low, and caution wear personnel's oxygen surplus is less;Automatic air compensating valve is the switch valve of automatic oxygen outflow, and they are connected by tracheae with air bag;Weight feed valve realizes that quantitative oxygen supply meets user's demand by dosing hole, it is connected with manual air compensating valve by pipeline, triple valve and cooling unit, air bag selects big volume air bag, and more greatly more resistant to aging, air bag connects peace and quiet tank, cooling unit, draining valve to volume respectively by tracheae;Peace and quiet tank and cooling unit store carbon-dioxide absorbent and normal-temperature efficient refrigerant material respectively, and the two is all fixed on shell, and peace and quiet tank and cooling unit connect full facepiece mask by breathing pipeline.
2. a kind of positive-pressure type fire-fighting oxygen breathing apparatus according to claim 1, described breathing pipeline is provided with suction end and expiration end, suction end connects cooling unit, expiration end connects peace and quiet tank, the inside of breathing pipeline is provided with Non-return air valve so that the flow direction of air-flow is again to the one-way flow of peace and quiet tank from cooling unit to full facepiece mask.
3., according to a kind of positive-pressure type fire-fighting oxygen breathing apparatus of claim, described peace and quiet tank is provided with automatic exhaust steam valve and discharges excessive gas.
4. upper and lower ends are provided with absorbent filter screen in the peace and quiet tank described in a kind of positive-pressure type fire-fighting oxygen breathing apparatus according to claim 1 so that the absorbent in peace and quiet tank will not enter air bag.
5. a kind of positive-pressure type fire-fighting oxygen breathing apparatus according to claim 1, described air bag is externally provided with crossbeam and protects air bag not to be stressed and rupture.
6. a kind of positive-pressure type fire-fighting oxygen breathing apparatus according to claim 1, described cooling unit is the non-maintaining normal temperature high-efficiency cooling media cooling device (patent No.:ZL201210591113.4 high-efficiency coolant material, novel all-in-one design) are used.It is whole to be taken by whole using quick, easy maintenance without extra ice, without freezing.
7. a kind of positive-pressure type fire-fighting oxygen breathing apparatus according to claim 1, described absorbent tank is provided with the lid of buckle-type, does not use extracting tool just to change absorbent;From specially treated special fabric by absorbent modular package, it is whole by it is whole take, overall filling, it is convenient and swift.Solve a conventional prose style free from parallelism it is filling caused by packing speed is slow, absorbent differentiation, dust are choked people the problems such as, reduce respiratory resistance.
8. a kind of positive-pressure type fire-fighting oxygen breathing apparatus according to claim 1, described enclosure material is high temperature resistant, the composite of high intensity, and whole machine still can reach the respiratory protection performance of Standard by 1000 DEG C of flame assays, burning after 8 seconds.
9. a kind of positive-pressure type fire-fighting oxygen breathing apparatus according to claim 1, described full facepiece mask is the big visual field from antifogging and abrasive full facepiece mask, made using nanometer anti-fog material, without timing sprinkling antifoggant and antifogging brush is installed, is effectively prevented the situation that the sweat gas that soldier produces in operation process causes the visual field to obscure;Designed according to shape of face, different shapes of face can be well matched with double-layer seal side, it is ensured that user is safe to wear;International advanced high-abrasive material integrated molding, visual field rate reaches more than 93%, and no visual metaboly prevents long-term friction from causing mask smudgy.
10. a kind of positive-pressure type fire-fighting oxygen breathing apparatus according to claim 1, described brace is made up of fire proofing, and equipped with reflecting marking, is easy to be recognized in dark, improves security;Brace meets ergonomic designs, improves comfortableness.
A kind of 11. positive-pressure type fire-fighting oxygen breathing apparatuses according to claim 1, described oxygen cylinder is 2.5L carbon fiber Large Copacity oxygen cylinders.
A kind of 12. positive-pressure type fire-fighting oxygen breathing apparatuses according to claim 1, described air bag is big volume malleation air bag, and material is more preferably, volume is bigger, prevent breathing stagnant gas problem more resistant to aging.
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CN201510844494.6A CN106806998A (en) | 2015-11-30 | 2015-11-30 | A kind of positive-pressure type fire-fighting oxygen breathing apparatus |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109229308A (en) * | 2018-09-30 | 2019-01-18 | 天津市鹏天工贸有限公司 | From taking the double air supply system enclosed circulation aqualungs not depressurized |
CN110368611A (en) * | 2019-07-23 | 2019-10-25 | 浙江恒泰安全设备有限公司 | A kind of multi-layer filtrating equipment and oxygen self-rescuer of respirator |
CN110420404A (en) * | 2019-07-23 | 2019-11-08 | 浙江恒泰安全设备有限公司 | A kind of oxygen breathing apparatus with novel ventilation structure |
CN110433411A (en) * | 2019-07-23 | 2019-11-12 | 浙江恒泰安全设备有限公司 | A kind of oxygen self-rescuer |
CN111346310A (en) * | 2020-03-24 | 2020-06-30 | 北京机械设备研究所 | Pressure-controllable respirator |
CN113616948A (en) * | 2020-05-09 | 2021-11-09 | 北京安氧特科技有限公司 | Positive pressure spring and fan double-pressurization long-acting positive pressure chemical oxygen operation respirator |
CN115040802A (en) * | 2022-05-07 | 2022-09-13 | 北京机械设备研究所 | Positive pressure oxygen respirator and temperature control method thereof |
CN116459462A (en) * | 2023-03-24 | 2023-07-21 | 路亚科消防车辆制造有限公司 | Positive pressure type fire-fighting oxygen respirator |
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CN204106885U (en) * | 2014-09-02 | 2015-01-21 | 重庆瑞进公共安全设备有限公司 | A kind of compressed oxygen self-lifesaving device of tape identification function |
CN204121975U (en) * | 2014-07-28 | 2015-01-28 | 常州海源恒业水处理设备有限公司 | Absorption unit of dioxide carbon assembly |
CN104874135A (en) * | 2014-02-27 | 2015-09-02 | 深圳市中长成科技有限公司 | Self-feeding channel-opened/closed positive pressure air respirator |
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GB382054A (en) * | 1931-10-14 | 1932-10-20 | Robert Henry Davis | Improvements in or relating to breathing appliances |
CN2894736Y (en) * | 2006-03-22 | 2007-05-02 | 湖南煤矿安全装备有限公司 | Isolated compressed oxygen self-rescuer |
CN201308733Y (en) * | 2008-11-27 | 2009-09-16 | 山西虹安科技股份有限公司 | Pneumatic positive pressure oxygen breathing apparatus |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109229308A (en) * | 2018-09-30 | 2019-01-18 | 天津市鹏天工贸有限公司 | From taking the double air supply system enclosed circulation aqualungs not depressurized |
CN110368611A (en) * | 2019-07-23 | 2019-10-25 | 浙江恒泰安全设备有限公司 | A kind of multi-layer filtrating equipment and oxygen self-rescuer of respirator |
CN110420404A (en) * | 2019-07-23 | 2019-11-08 | 浙江恒泰安全设备有限公司 | A kind of oxygen breathing apparatus with novel ventilation structure |
CN110433411A (en) * | 2019-07-23 | 2019-11-12 | 浙江恒泰安全设备有限公司 | A kind of oxygen self-rescuer |
CN110420404B (en) * | 2019-07-23 | 2021-11-09 | 浙江恒泰安全设备有限公司 | Oxygen respirator with ventilation structure |
CN111346310A (en) * | 2020-03-24 | 2020-06-30 | 北京机械设备研究所 | Pressure-controllable respirator |
CN113616948A (en) * | 2020-05-09 | 2021-11-09 | 北京安氧特科技有限公司 | Positive pressure spring and fan double-pressurization long-acting positive pressure chemical oxygen operation respirator |
CN115040802A (en) * | 2022-05-07 | 2022-09-13 | 北京机械设备研究所 | Positive pressure oxygen respirator and temperature control method thereof |
CN116459462A (en) * | 2023-03-24 | 2023-07-21 | 路亚科消防车辆制造有限公司 | Positive pressure type fire-fighting oxygen respirator |
CN116459462B (en) * | 2023-03-24 | 2023-10-27 | 路亚科消防车辆制造有限公司 | Positive pressure type fire-fighting oxygen respirator |
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Application publication date: 20170609 |