CN105920753B - A kind of chemical oxygen emergency self-saving breathing equipment - Google Patents
A kind of chemical oxygen emergency self-saving breathing equipment Download PDFInfo
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- CN105920753B CN105920753B CN201610556097.3A CN201610556097A CN105920753B CN 105920753 B CN105920753 B CN 105920753B CN 201610556097 A CN201610556097 A CN 201610556097A CN 105920753 B CN105920753 B CN 105920753B
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- air
- tank
- air regenesis
- breathing
- sieve plate
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/08—Respiratory apparatus containing chemicals producing oxygen
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B21/00—Devices for producing oxygen from chemical substances for respiratory apparatus
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- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The present invention relates to a kind of chemical oxygen emergency self-saving breathing equipments, it include: mask (1), breathing bag (11), air regenesis tank (5), form the gas return path for successively passing through mask (1), unidirectional gas outlet (4), air regenesis tank (5), breathing bag (11), one-way air inlet mouth (2,3) and mask (1)；Multiple brackets (7) are provided in the air regenesis tank (5), the bracket (7) is horizontally fixed on air regenesis tank (5) inner wall, the air regenesis tank (5) is divided into the subspace that multiple volumes are close, interconnect, is filled with air regenesis agent (8) in the multiple subspace.The device is provided with multiple brackets, chemical reaction heat transfer to air regenesis tank wall rapidly can be improved circulation gas circuit thermal balance, controls the reliability of air regenesis process, reduces the temperature of fresh air, increases the usage comfort of personnel.
Description
Technical field
The present invention relates to emergency self-saving device technical field more particularly to a kind of chemical oxygen emergency self-saving breathing equipments.
Background technique
The carbon dioxide of characteristics of contaminated respiratory droplets and water can be generated oxygen by chemical reaction by chemical oxygen emergency self-saving breathing equipment
Gas forms ozone and is absorbed by the body again, therefore when fire accident occurs, be stranded the disaster affected people at scene with
The live evacuation of chemical oxygen emergency self-saving breathing equipment progress can be used in fire fighter and escape is saved oneself.
Chemical oxygen emergency self-saving breathing equipment is built-in to be equipped with KO2Air regenesis agent as main component, air regenesis agent
The carbon dioxide and water of interior chemical substance and characteristics of contaminated respiratory droplets occur chemical reaction generate can breathing fresh air, make
Used time is not limited by ambient atmosphere ambient gas composition, is a kind of ideal emergency escape self-rescuer.But on the one hand
Chemical substance in air regenesis agent can generate a large amount of reaction heat when reacting with carbon dioxide and water, so that fresh sky
The temperature of gas is high, reduces the comfort level of user of service, the regeneration rate and rate of release of another aspect fresh air are unstable, lead
Cause self-rescue apparatus reliability low and the short problem of guard time.In addition existing Self-saving breather of chemical oxygen and various modifieds
It is single-circuit breath cycle gas circuit, this circuit conduct the temperature of fresh air can not timely outward, so that people
The fresh air temperature of body breathing is significantly higher than extraneous environment temperature, reduces the usage comfort of personnel.
Summary of the invention
In view of above-mentioned analysis, the present invention is intended to provide a kind of chemical oxygen emergency self-saving breathing equipment, existing to solve
The regeneration of chemical oxygen emergency self-saving breathing equipment fresh air and rate of release are unstable to reduce reliability and guard time, new
Fresh air themperature height is thus the problem of reducing the usage comfort of personnel.
The purpose of the present invention is mainly achieved through the following technical solutions: a kind of chemical oxygen emergency self-saving breathing equipment,
Include: mask, unidirectional gas outlet and one-way air inlet mouth are provided on the mask；Breathing bag, breathing bag (11) tool
There is the gas passage being connected to the air inlet (2,3)；Air regenesis tank, air regenesis tank upper end and the unidirectional outlet
Mouth connection, lower end are connected to the gas passage of the breathing bag, are formed and are successively passed through mask, unidirectional gas outlet, air regenesis
The gas return path of tank, breathing bag, one-way air inlet mouth and mask, since breathing bag has a plurality of gas passage；The air
Multiple brackets are provided in regenerating tank, the support level is fixed on the air regenesis top tank structure, by the air regenesis
Tank is divided into the subspace that multiple volumes are close, interconnect, and air regenesis agent is filled in the multiple subspace, in this way
When carbon dioxide and water are air regenesis agent reaction, the heat of generation is rapidly transferred to the outer wall of air regenesis tank by bracket,
Increase rate of heat dispation, therefore the air regenesis rate of near support is made to keep relative stability state, since bracket is by air regenesis
Space in tank is divided into the subspace that multiple volumes are close, interconnect, therefore in macroscopically air regenesis tank inner air
Regeneration rate is able to maintain more stable state, a large amount of heat generation accumulation is not had inside air regenesis tank, when human body is exhaled
When the gas entered is constantly in more stable flow velocity, the fresh air of air regenesis tank output can be in the sustained release shape for stablizing flow velocity
State improves the effective rate of utilization of air regenesis agent and the controllability and reliability of air regenesis process.
Further, the gas passage of one-way air inlet mouth (2,3) and the breathing bag (11) is multiple, each described
Gas passage connects an one-way air inlet mouth；The lower end of the air regenesis tank (5) connects with multiple gas passages
It is logical, therefore the fresh air generated from air regenesis tank can enter mask by people through one-way air inlet mouth by a plurality of gas passage
Body absorbs, and forms multiple gas return paths, and fresh air can increase heat dissipation area and air-flow length, so that breathing by shunting
Thermal balance stroke is extended inside and outside air bag, and the temperature of fresh air is effectively reduced, and improves the usage comfort of personnel
Further, the one-way air inlet mouth is 2；The gas passage of the breathing bag is 2.
Further, the breathing bag be U-shaped structure, wherein two upper ends of the breathing bag respectively with the list
It is connected to air inlet, the center bottom of the breathing bag is connected to the lower end of the air regenesis tank.
Further, filtering sieve plate and lower filtering sieve plate is provided in the air regenesis tank, wherein the bracket and
Between the upper filtering sieve plate and the lower filtering sieve plate, the upper filter plate can be such that human body exhales for the air regenesis agent
Even gas distribution out shunts, and uniform to flow into air regenesis tank, lower filter plate can be such that fresh air does not shunt, uniformly
It flows into breathing bag, forms uniform, gentle fresh air and be absorbed by the body, increase the usage comfort of personnel.
Further, the upper filtering sieve plate and lower filtering sieve plate are the plate structure with multiple circular holes, the circular hole
Diameter is 3.5-6.5mm.
Further, air regenesis tank lower end is connected to by hose with the breathing bag.
Further, the breathing bag bottom is provided with relief valve, can be to the storage in breathing bag by gas bleeder valve
Atmospheric pressure is adjusted.
Further, the air regenesis tank upper and lower ends are respectively arranged with sealing valve, and the sealing valve is for starting institute
State chemical oxygen emergency self-saving breathing equipment.
Further, the one-way air inlet mouth and the diameter of the unidirectional gas outlet are 30-45mm；The air regenesis tank
5 internal diameter is 90-110mm, is highly 60-120mm；The diameter of the hose is identical as the diameter of the unidirectional gas outlet, institute
Stating hose length is 150-350mm.
The present invention has the beneficial effect that:
Multiple brackets, the branch are provided in the air regenesis tank that chemical oxygen emergency self-saving breathing equipment of the invention has
Air regenesis agent is divided into the subspace that multiple volumes are similar, interpenetrate by frame, and can be rapidly by chemical reaction heat
Conduction further improves people to air regenesis tank wall to guarantee the stable regeneration rate of fresh air and rate of release
The usage comfort of member, while increasing the controllability and reliability of regeneration air process.
Other features and advantages of the present invention will illustrate in the following description, also, partial become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by written explanation
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
Detailed description of the invention
Attached drawing is only used for showing the purpose of specific embodiment, and is not to be construed as limiting the invention, in entire attached drawing
In, identical reference symbol indicates identical component.
Fig. 1 is the structural schematic diagram of the present embodiment Self-saving breather of chemical oxygen；
Wherein, 1- mask, 2- the first one-way air inlet mouth, 3- the second one-way air inlet mouth, the unidirectional gas outlet 4-, 5- air regenesis
Tank, filters sieve plate on 6-, 7- bracket, 8- air regenesis agent, filters sieve plate under 9-, 10- hose, 11- breathing bag, 12 lose heart
Valve.
Specific embodiment
Specifically describing the preferred embodiment of the present invention with reference to the accompanying drawing, wherein attached drawing constitutes the application a part, and
Together with embodiments of the present invention for illustrating the principle of the present invention.
The embodiment of the present invention provides a kind of chemical oxygen emergency self-saving breathing equipment, as shown in Figure 1, including mask 1, tidal air
Capsule 11 and air regenesis tank 5, wherein being provided with the first one-way air inlet mouth 2, the second one-way air inlet mouth 3 and list on the mask 1
To gas outlet 4, wherein the first one-way air inlet mouth 2 and the second one-way air inlet mouth 3 are located at the two sides of the unidirectional gas outlet 4；
It may be the first one-way air inlet mouth 2 and the second one-way air inlet mouth greater than 2 that the one-way air inlet mouth, which may be one,
3 structures are identical, and first and second are to distinguish the two；The one-way air inlet mouth and the diameter of the unidirectional gas outlet are
35mm。
Air regenesis tank 5 is the container with cavity up and down, can be cylindric, or other shapes；
When the air regenesis tank 5 is cylindric, according to the difference of the breathing equipment size specification of saving oneself, the air regenesis tank 5
Internal diameter be 100mm, be highly 80mm；5 upper and lower ends of air regenesis tank are provided with outlet, bring out on air regenesis tank 5
Mouthful be connected to unidirectional gas outlet 4, the gas of such characteristics of contaminated respiratory droplets pass through unidirectional gas outlet 4 be able to enter air regenesis tank 5 it is interior into
Row air regenesis；Upper filtering sieve plate 6 and lower filtering sieve plate 9 are provided in air regenesis tank 5, wherein the upper filtering sieve plate 6
It is the plate structure with porous structure with lower filtering sieve plate 9, upper filtering sieve plate 6 can will enter the gas of air regenesis tank 5
Body does not shunt, uniformly enters, and lower filtering sieve plate 9 can not shunt the gas that air regenesis tank 5 exports, uniform defeated
Out, the upper filtering sieve plate 6 and lower filtering sieve plate 9 are the plate structure with multiple circular holes, and the Circularhole diameter is 4.5mm,
The rounded distribution of circular hole, the circular hole among the upper filtering sieve plate 6 and lower filtering sieve plate 9 is sparse, in the filtering
The circular hole comparatively dense of screen plate 6 and lower filtering 9 periphery of sieve plate, in this way in order to guarantee that it is described that the air-flow of personnel's exhalation uniformly enters
In air regenesis tank 5；Multiple brackets 7, the bracket 7 are provided in space between upper filtering sieve plate 6 and lower filtering sieve plate 9
It is horizontally disposed, it is fixed on the inner wall of the air regenesis tank 5, the space physics in air regenesis tank 5 are divided into more by bracket 7
A volume is similar and the subspace that interconnects, air regenesis agent 8 are filled in filtering sieve plate 6, lower filtering sieve plate 9 and bracket 7
It forms in the subspace, due to the structure feature of bracket 7 itself, will rapidly can react outside heat transfer to air regenesis tank
Wall radiates, and makes the air regenesis rate holds steady state near bracket 7, since air regenesis agent 8 is evenly distributed in
Around bracket 7, macroscopical regeneration rate in air regenesis tank 5 keeps more stable state, and in air regenesis tank 5
There is no the accumulation of heat, both ensure that the stability of air regenesis, effectively reduce the temperature of regeneration air yet, when human body is exhaled
When air-flow out is constantly in metastable flow velocity, due to do not had inside air regenesis tank 5 largely be thermally generated and accumulate,
The air regenesis rate of macroscopic view is also more stable, therefore the regeneration air in air regenesis tank 5 is in the sustained release state for stablizing flow velocity,
The effective use of air regenesis agent 8 is improved, the controllable degree of the regenerative process of fresh air is also greatly mentioned with reliability
It rises, fresh air steady air current and the lower usage comfort that can guarantee personnel of temperature.
Breathing bag 11 have multiple gas passages, and the outlet of each gas passage be connected separately with one unidirectionally into
Port, the lower end outlet connection breathing bag 11 of air regenesis tank 5, and guarantee the fresh air exported out of air regenesis tank 5
Be able to enter all gas passages, the fresh air generated from air regenesis tank 5 in this way can from multiple gas passages into
Enter mask 1, to be absorbed by the body, is conducive to the length and breathing bag that increase the heat dissipation area of fresh air, air-flow in this way
Thermal balance stroke inside and outside 11, is effectively reduced the temperature of fresh air, greatly increases the usage comfort of personnel；The present embodiment
One-way air inlet mouth, respectively the first one-way air inlet mouth 2 and the second one-way air inlet mouth 3 there are two being arranged on mask 1, therefore this implementation
There are two gas passages for the breathing bag 11 of example.
It is highly preferred that the present embodiment breathing bag 11 is U-shaped structure as shown in Figure 1, wherein in one of them of U-shaped structure
The first one-way air inlet mouth 2 of end connection, another upper end connects the second one-way air inlet mouth 3, the position in the middle part of the lower end of U-shaped structure upward
The lower end outlet for being connected with air regenesis tank 5 is set, the fresh air formed from air regenesis tank 5 in this way is from breathing bag 11
Enter breathing bag 11 in the middle part of U-shaped structure lower end, is then divided into two branch streams of left and right respectively from the first one-way air inlet mouth 2 and second
One-way air inlet mouth 3 enters mask, is absorbed by the body, and air-flow is quickly dissipated when flowing up at left and right sides of U-shaped structure
Heat is effectively reduced temperature.
It is provided with hose 10 in the middle part of the outlet of 5 lower end of air regenesis tank and the lower end of breathing bag 11U type structure, air is again
Raw tank 5 is connected to by hose 10 with breathing bag 11, can make flexibly to connect between air regenesis tank 5 and breathing bag 11 in this way
It connects, can also increase firmness of the connection；Preferably, the diameter of the hose 10 is identical as the diameter of the unidirectional gas outlet 4, is
35mm, length 200mm.
11 bottom of breathing bag is provided with gas bleeder valve 12, gas bleeder valve 12 can store gas pressure progress in breathing bag
It adjusts.
It is respectively arranged with sealing valve in the upper and lower ends of air regenesis tank 5, the sealing valve is for starting the emergency certainly
Rescue breathing equipment.
When encountering the emergencies such as fire, gas leakage or gas explosion, disaster affected people incite somebody to action this according to requirement is worn
The wearing of chemical oxygen emergency self-saving breathing equipment described in embodiment is complete, escapes.In use, being first turned on air regenesis tank 5
Then the sealing valve of upper and lower ends rapidly takes mask 1, and adjusts the elastic journey of restraint zone on mask 1 according to personal shape of face
Degree, and wear secured.The gas of low oxygen content (17% or so), high carbon dioxide content (4.5% or so) that personnel breathe out
Enter air regenesis tank 5 by unidirectional gas outlet 4, in air regenesis tank 5, the gas of exhalation reacts production with air regenesis agent 8
Raw oxygen forms ozone, and human body generates negative pressure in air-breathing, promote the fresh air generated in air regenesis tank 5 from
Hose 10 is along the gas flow loop of the left and right of breathing bag 11 two by 3 entering surface of the first one-way air inlet mouth 2 and the second one-way air inlet mouth
Cover 1, is absorbed by the body, and completes primary air circular regeneration process, and successively reciprocation cycle is gone down, chemistry described in the present embodiment
Oxygen emergency self-saving breathing equipment provides required fresh air continuously for human body respiration.
In conclusion being returned the embodiment of the invention provides a kind of chemical oxygen emergency self-saving breathing equipment by improving air-flow
Single loop is changed to double loop or even multiloop by road, to increase the heat dissipation area of gas, the temperature that air is effectively reduced is mentioned
High personnel's comforts of use, while multiple brackets are set in air regenesis tank, it ensure that using the characteristics of bracket rapid heat dissipation
The rapid of chemical reaction heat in air regenesis tank disperses, and improves air regenesis process control and reliability, further drops
The temperature of low latitude gas increases usage comfort.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of chemical oxygen emergency self-saving breathing equipment characterized by comprising
Mask (1) is provided with unidirectional gas outlet (4) and one-way air inlet mouth (2,3) on the mask (1)；
Breathing bag (11), the breathing bag (11) have the gas passage being connected to the air inlet (2,3)；
Air regenesis tank (5), air regenesis tank (5) upper end are connected to the unidirectional gas outlet (4), lower end and the breathing
The gas passage of air bag (11) is connected to, and is formed and is successively passed through mask (1), unidirectional gas outlet (4), air regenesis tank (5), tidal air
The gas return path of capsule (11), one-way air inlet mouth (2,3) and mask (1)；
It is provided with multiple brackets (7) in the air regenesis tank (5), the bracket (7) is horizontally fixed on the air regenesis tank
(5) on inner wall, the air regenesis tank (5) is divided into the subspace that multiple volumes are close, interconnect, in the multiple son
Air regenesis agent (8) are filled in space；
The gas passage of one-way air inlet mouth (2,3) and the breathing bag (11) is multiple, each gas passage connection
One one-way air inlet mouth；The lower end of the air regenesis tank (5) is connected to multiple gas passages；
The breathing bag (11) be U-shaped structure, wherein two upper ends of the breathing bag (11) respectively with it is described unidirectionally into
Port (2,3) connection, the center bottom of the breathing bag (11) are connected to the lower end of the air regenesis tank (5)；
Filtering sieve plate (6) and lower filtering sieve plate (9) are provided in the air regenesis tank (5)；The upper filtering sieve plate (6) and
Lower filtering sieve plate (9) is the plate structure with multiple circular holes；It is intermediate in the upper filtering sieve plate (6) and lower filtering sieve plate (9)
Circular hole it is sparse, the filter plate sieve plate (6) and it is lower filtering sieve plate (9) periphery circular hole comparatively dense.
2. chemical oxygen emergency self-saving breathing equipment according to claim 1, which is characterized in that the one-way air inlet mouth (2,3)
It is 2；The gas passage of the breathing bag (11) is 2.
3. chemical oxygen emergency self-saving breathing equipment according to claim 1 or claim 2, which is characterized in that wherein the bracket (7) and
The air regenesis agent (8) is between the upper filtering sieve plate (6) and the lower filtering sieve plate (9).
4. chemical oxygen emergency self-saving breathing equipment according to claim 3, which is characterized in that the Circularhole diameter is 3.5-
6.5mm。
5. chemical oxygen emergency self-saving breathing equipment according to claim 3, which is characterized in that under the air regenesis tank (5)
End is connected to by hose (10) with the breathing bag (11).
6. chemical oxygen emergency self-saving breathing equipment according to claim 1, which is characterized in that breathing bag (11) bottom
It is provided with relief valve (12).
7. chemical oxygen emergency self-saving breathing equipment according to claim 1, which is characterized in that on the air regenesis tank (5)
Lower both ends are respectively arranged with sealing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610556097.3A CN105920753B (en) | 2016-07-14 | 2016-07-14 | A kind of chemical oxygen emergency self-saving breathing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610556097.3A CN105920753B (en) | 2016-07-14 | 2016-07-14 | A kind of chemical oxygen emergency self-saving breathing equipment |
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| Publication Number | Publication Date |
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| CN105920753A CN105920753A (en) | 2016-09-07 |
| CN105920753B true CN105920753B (en) | 2019-01-04 |
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| CN201610556097.3A Active CN105920753B (en) | 2016-07-14 | 2016-07-14 | A kind of chemical oxygen emergency self-saving breathing equipment |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106422095B (en) * | 2016-09-19 | 2019-07-19 | 北京机械设备研究所 | A kind of chemical oxygen emergency management and rescue breathing equipment of overload-resistant air sustained release |
| CN106730465A (en) * | 2016-12-26 | 2017-05-31 | 北京机械设备研究所 | A kind of hand-held chemical oxygen emergency self-saving breathing equipment |
| CN106730451A (en) * | 2016-12-26 | 2017-05-31 | 北京机械设备研究所 | A kind of Self-saving breather of chemical oxygen for strengthening radiating |
| CN107050682A (en) * | 2017-05-15 | 2017-08-18 | 北京机械设备研究所 | A kind of air regenesis tank and breathing mask |
| RU2716915C1 (en) * | 2018-12-14 | 2020-03-17 | Общество с ограниченной ответственностью "Аквабризер" | Self-contained breathing apparatus of closed cycle for submersion under water |
| CN111184953A (en) * | 2020-01-22 | 2020-05-22 | 北京机械设备研究所 | Single-channel gas circuit device of self-rescue respirator and oxygen supply method thereof |
| CN111184954B (en) * | 2020-01-22 | 2021-08-24 | 北京机械设备研究所 | Portable self-rescue respirator |
| CN111346310B (en) * | 2020-03-24 | 2021-06-01 | 北京机械设备研究所 | Pressure-controllable respirator |
| CN111388893B (en) * | 2020-03-24 | 2021-11-02 | 北京机械设备研究所 | Waist-carrying portable respirator |
| CN111514480A (en) * | 2020-05-06 | 2020-08-11 | 中国船舶科学研究中心 | Full-closed breathing system for long-time use of manned submersible passengers |
| CN112336999B (en) * | 2020-09-27 | 2022-06-17 | 杭州博大净化设备有限公司 | Mask with oxygen generator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5222479A (en) * | 1984-07-20 | 1993-06-29 | Auergesellschaft Gmbh | Oxygen self-rescuer apparatus |
| CN202028062U (en) * | 2011-03-30 | 2011-11-09 | 广东胜捷金陵安全防护器材有限公司 | Chemical oxygen firefighting and self-rescuing respirator |
| CN103706054A (en) * | 2014-01-07 | 2014-04-09 | 北京安氧特科技有限公司 | Chemical oxygen fire protection self-rescue respirator capable of achieving heat dissipation and cooling easily |
| CN103706053A (en) * | 2014-01-07 | 2014-04-09 | 北京安氧特科技有限公司 | Efficient oxygen-generation and air stagnation prevention chemical oxygen fire-fighting self-rescue respirator with cooling layer |
| CN205814901U (en) * | 2016-07-14 | 2016-12-21 | 北京机械设备研究所 | A kind of Self-saving breather of chemical oxygen |
-
2016
- 2016-07-14 CN CN201610556097.3A patent/CN105920753B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5222479A (en) * | 1984-07-20 | 1993-06-29 | Auergesellschaft Gmbh | Oxygen self-rescuer apparatus |
| CN202028062U (en) * | 2011-03-30 | 2011-11-09 | 广东胜捷金陵安全防护器材有限公司 | Chemical oxygen firefighting and self-rescuing respirator |
| CN103706054A (en) * | 2014-01-07 | 2014-04-09 | 北京安氧特科技有限公司 | Chemical oxygen fire protection self-rescue respirator capable of achieving heat dissipation and cooling easily |
| CN103706053A (en) * | 2014-01-07 | 2014-04-09 | 北京安氧特科技有限公司 | Efficient oxygen-generation and air stagnation prevention chemical oxygen fire-fighting self-rescue respirator with cooling layer |
| CN205814901U (en) * | 2016-07-14 | 2016-12-21 | 北京机械设备研究所 | A kind of Self-saving breather of chemical oxygen |
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